LCOV - code coverage report
Current view: top level - gcc - tree.h (source / functions) Coverage Total Hit
Test: gcc.info Lines: 91.7 % 654 600
Test Date: 2026-05-11 19:44:49 Functions: 97.9 % 145 142
Legend: Lines:     hit not hit

            Line data    Source code
       1              : /* Definitions for the ubiquitous 'tree' type for GNU compilers.
       2              :    Copyright (C) 1989-2026 Free Software Foundation, Inc.
       3              : 
       4              : This file is part of GCC.
       5              : 
       6              : GCC is free software; you can redistribute it and/or modify it under
       7              : the terms of the GNU General Public License as published by the Free
       8              : Software Foundation; either version 3, or (at your option) any later
       9              : version.
      10              : 
      11              : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      12              : WARRANTY; without even the implied warranty of MERCHANTABILITY or
      13              : FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      14              : for more details.
      15              : 
      16              : You should have received a copy of the GNU General Public License
      17              : along with GCC; see the file COPYING3.  If not see
      18              : <http://www.gnu.org/licenses/>.  */
      19              : 
      20              : #ifndef GCC_TREE_H
      21              : #define GCC_TREE_H
      22              : 
      23              : #include "tree-core.h"
      24              : #include "options.h"
      25              : #include "vec.h"
      26              : 
      27              : /* Convert a target-independent built-in function code to a combined_fn.  */
      28              : 
      29              : inline combined_fn
      30              : as_combined_fn (built_in_function fn)
      31              : {
      32              :   return combined_fn (int (fn));
      33              : }
      34              : 
      35              : /* Convert an internal function code to a combined_fn.  */
      36              : 
      37              : inline combined_fn
      38     74027617 : as_combined_fn (internal_fn fn)
      39              : {
      40     73667437 :   return combined_fn (int (fn) + int (END_BUILTINS));
      41              : }
      42              : 
      43              : /* Return true if CODE is a target-independent built-in function.  */
      44              : 
      45              : inline bool
      46         4202 : builtin_fn_p (combined_fn code)
      47              : {
      48         4202 :   return int (code) < int (END_BUILTINS);
      49              : }
      50              : 
      51              : /* Return the target-independent built-in function represented by CODE.
      52              :    Only valid if builtin_fn_p (CODE).  */
      53              : 
      54              : inline built_in_function
      55              : as_builtin_fn (combined_fn code)
      56              : {
      57     13078421 :   gcc_checking_assert (builtin_fn_p (code));
      58              :   return built_in_function (int (code));
      59              : }
      60              : 
      61              : /* Return true if CODE is an internal function.  */
      62              : 
      63              : inline bool
      64     56207641 : internal_fn_p (combined_fn code)
      65              : {
      66     36252811 :   return int (code) >= int (END_BUILTINS);
      67              : }
      68              : 
      69              : /* Return the internal function represented by CODE.  Only valid if
      70              :    internal_fn_p (CODE).  */
      71              : 
      72              : inline internal_fn
      73     23221483 : as_internal_fn (combined_fn code)
      74              : {
      75     23230630 :   gcc_checking_assert (internal_fn_p (code));
      76     23221483 :   return internal_fn (int (code) - int (END_BUILTINS));
      77              : }
      78              : 
      79              : /* Helper to transparently allow tree codes and builtin function codes
      80              :    exist in one storage entity.  */
      81              : class code_helper
      82              : {
      83              : public:
      84   1451682108 :   code_helper () {}
      85   3342839903 :   code_helper (tree_code code) : rep ((int) code) {}
      86     37815210 :   code_helper (combined_fn fn) : rep (-(int) fn) {}
      87     61974597 :   code_helper (internal_fn fn) : rep (-(int) as_combined_fn (fn)) {}
      88    309975251 :   explicit operator tree_code () const { return (tree_code) rep; }
      89     12061196 :   explicit operator combined_fn () const { return (combined_fn) -rep; }
      90              :   explicit operator internal_fn () const;
      91              :   explicit operator built_in_function () const;
      92    903622028 :   bool is_tree_code () const { return rep > 0; }
      93      2502370 :   bool is_fn_code () const { return rep < 0; }
      94              :   bool is_internal_fn () const;
      95              :   bool is_builtin_fn () const;
      96    663376078 :   int get_rep () const { return rep; }
      97              :   tree_code safe_as_tree_code () const;
      98              :   combined_fn safe_as_fn_code () const;
      99          476 :   bool operator== (const code_helper &other) { return rep == other.rep; }
     100     93116555 :   bool operator!= (const code_helper &other) { return rep != other.rep; }
     101     74645908 :   bool operator== (tree_code c) { return rep == code_helper (c).rep; }
     102    119740255 :   bool operator!= (tree_code c) { return rep != code_helper (c).rep; }
     103              : 
     104              : private:
     105              :   int rep;
     106              : };
     107              : 
     108              : /* Helper function that returns the tree_code representation of THIS
     109              :    code_helper if it is a tree_code and MAX_TREE_CODES otherwise.  This is
     110              :    useful when passing a code_helper to a tree_code only check.  */
     111              : 
     112              : inline tree_code
     113      1242620 : code_helper::safe_as_tree_code () const
     114              : {
     115      1521505 :   return is_tree_code () ? (tree_code) *this : MAX_TREE_CODES;
     116              : }
     117              : 
     118              : /* Helper function that returns the combined_fn representation of THIS
     119              :    code_helper if it is a fn_code and CFN_LAST otherwise.  This is useful when
     120              :    passing a code_helper to a combined_fn only check.  */
     121              : 
     122              : inline combined_fn
     123              : code_helper::safe_as_fn_code () const {
     124              :   return is_fn_code () ? (combined_fn) *this : CFN_LAST;
     125              : }
     126              : 
     127      3086030 : inline code_helper::operator internal_fn () const
     128              : {
     129      3086030 :   return as_internal_fn (combined_fn (*this));
     130              : }
     131              : 
     132              : inline code_helper::operator built_in_function () const
     133              : {
     134              :   return as_builtin_fn (combined_fn (*this));
     135              : }
     136              : 
     137              : inline bool
     138    632804855 : code_helper::is_internal_fn () const
     139              : {
     140    632800771 :   return is_fn_code () && internal_fn_p (combined_fn (*this));
     141              : }
     142              : 
     143              : inline bool
     144              : code_helper::is_builtin_fn () const
     145              : {
     146              :   return is_fn_code () && builtin_fn_p (combined_fn (*this));
     147              : }
     148              : 
     149              : /* Macros for initializing `tree_contains_struct'.  */
     150              : #define MARK_TS_BASE(C)                                 \
     151              :   (tree_contains_struct[C][TS_BASE] = true)
     152              : 
     153              : #define MARK_TS_TYPED(C)                                \
     154              :   (MARK_TS_BASE (C),                                    \
     155              :    tree_contains_struct[C][TS_TYPED] = true)
     156              : 
     157              : #define MARK_TS_COMMON(C)                               \
     158              :   (MARK_TS_TYPED (C),                                   \
     159              :    tree_contains_struct[C][TS_COMMON] = true)
     160              : 
     161              : #define MARK_TS_TYPE_COMMON(C)                          \
     162              :   (MARK_TS_COMMON (C),                                  \
     163              :    tree_contains_struct[C][TS_TYPE_COMMON] = true)
     164              : 
     165              : #define MARK_TS_TYPE_WITH_LANG_SPECIFIC(C)              \
     166              :   (MARK_TS_TYPE_COMMON (C),                             \
     167              :    tree_contains_struct[C][TS_TYPE_WITH_LANG_SPECIFIC] = true)
     168              : 
     169              : #define MARK_TS_TYPE_NON_COMMON(C)                      \
     170              :   (MARK_TS_TYPE_WITH_LANG_SPECIFIC (C),                 \
     171              :    tree_contains_struct[C][TS_TYPE_NON_COMMON] = true)  \
     172              : 
     173              : #define MARK_TS_DECL_MINIMAL(C)                         \
     174              :   (MARK_TS_COMMON (C),                                  \
     175              :    tree_contains_struct[C][TS_DECL_MINIMAL] = true)
     176              : 
     177              : #define MARK_TS_DECL_COMMON(C)                          \
     178              :   (MARK_TS_DECL_MINIMAL (C),                            \
     179              :    tree_contains_struct[C][TS_DECL_COMMON] = true)
     180              : 
     181              : #define MARK_TS_DECL_WRTL(C)                            \
     182              :   (MARK_TS_DECL_COMMON (C),                             \
     183              :    tree_contains_struct[C][TS_DECL_WRTL] = true)
     184              : 
     185              : #define MARK_TS_DECL_WITH_VIS(C)                        \
     186              :   (MARK_TS_DECL_WRTL (C),                               \
     187              :    tree_contains_struct[C][TS_DECL_WITH_VIS] = true)
     188              : 
     189              : #define MARK_TS_DECL_NON_COMMON(C)                      \
     190              :   (MARK_TS_DECL_WITH_VIS (C),                           \
     191              :    tree_contains_struct[C][TS_DECL_NON_COMMON] = true)
     192              : 
     193              : #define MARK_TS_EXP(C)                                  \
     194              :   (MARK_TS_TYPED (C),                                   \
     195              :    tree_contains_struct[C][TS_EXP] = true)
     196              : 
     197              : /* Returns the string representing CLASS.  */
     198              : 
     199              : #define TREE_CODE_CLASS_STRING(CLASS)\
     200              :         tree_code_class_strings[(int) (CLASS)]
     201              : 
     202              : #if __cpp_inline_variables < 201606L
     203              : #define TREE_CODE_CLASS(CODE)   \
     204              :   tree_code_type_tmpl <0>::tree_code_type[(int) (CODE)]
     205              : #else
     206              : #define TREE_CODE_CLASS(CODE)   tree_code_type[(int) (CODE)]
     207              : #endif
     208              : 
     209              : /* Nonzero if NODE represents an exceptional code.  */
     210              : 
     211              : #define EXCEPTIONAL_CLASS_P(NODE)\
     212              :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_exceptional)
     213              : 
     214              : /* Nonzero if NODE represents a constant.  */
     215              : 
     216              : #define CONSTANT_CLASS_P(NODE)\
     217              :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_constant)
     218              : 
     219              : /* Nonzero if NODE represents a constant, or is a location wrapper
     220              :    around such a node.  */
     221              : 
     222              : #define CONSTANT_CLASS_OR_WRAPPER_P(NODE)\
     223              :         (CONSTANT_CLASS_P (tree_strip_any_location_wrapper (NODE)))
     224              : 
     225              : /* Nonzero if NODE represents a type.  */
     226              : 
     227              : #define TYPE_P(NODE)\
     228              :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_type)
     229              : 
     230              : /* Nonzero if NODE represents a declaration.  */
     231              : 
     232              : #define DECL_P(NODE)\
     233              :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_declaration)
     234              : 
     235              : /* True if NODE designates a variable declaration.  */
     236              : #define VAR_P(NODE) \
     237              :   (TREE_CODE (NODE) == VAR_DECL)
     238              : 
     239              : /* Nonzero if DECL represents a VAR_DECL or FUNCTION_DECL.  */
     240              : 
     241              : #define VAR_OR_FUNCTION_DECL_P(DECL)\
     242              :   (TREE_CODE (DECL) == VAR_DECL || TREE_CODE (DECL) == FUNCTION_DECL)
     243              : 
     244              : /* Nonzero if NODE represents a INDIRECT_REF.  Keep these checks in
     245              :    ascending code order.  */
     246              : 
     247              : #define INDIRECT_REF_P(NODE)\
     248              :   (TREE_CODE (NODE) == INDIRECT_REF)
     249              : 
     250              : /* Nonzero if NODE represents a reference.  */
     251              : 
     252              : #define REFERENCE_CLASS_P(NODE)\
     253              :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_reference)
     254              : 
     255              : /* Nonzero if NODE represents a comparison.  */
     256              : 
     257              : #define COMPARISON_CLASS_P(NODE)\
     258              :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_comparison)
     259              : 
     260              : /* Nonzero if NODE represents a unary arithmetic expression.  */
     261              : 
     262              : #define UNARY_CLASS_P(NODE)\
     263              :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_unary)
     264              : 
     265              : /* Nonzero if NODE represents a binary arithmetic expression.  */
     266              : 
     267              : #define BINARY_CLASS_P(NODE)\
     268              :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_binary)
     269              : 
     270              : /* Nonzero if NODE represents a statement expression.  */
     271              : 
     272              : #define STATEMENT_CLASS_P(NODE)\
     273              :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_statement)
     274              : 
     275              : /* Nonzero if NODE represents a function call-like expression with a
     276              :    variable-length operand vector.  */
     277              : 
     278              : #define VL_EXP_CLASS_P(NODE)\
     279              :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_vl_exp)
     280              : 
     281              : /* Nonzero if NODE represents any other expression.  */
     282              : 
     283              : #define EXPRESSION_CLASS_P(NODE)\
     284              :         (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_expression)
     285              : 
     286              : /* Returns nonzero iff NODE represents a type or declaration.  */
     287              : 
     288              : #define IS_TYPE_OR_DECL_P(NODE)\
     289              :         (TYPE_P (NODE) || DECL_P (NODE))
     290              : 
     291              : /* Returns nonzero iff CLASS is the tree-code class of an
     292              :    expression.  */
     293              : 
     294              : #define IS_EXPR_CODE_CLASS(CLASS)\
     295              :         ((CLASS) >= tcc_reference && (CLASS) <= tcc_expression)
     296              : 
     297              : /* Returns nonzero iff NODE is an expression of some kind.  */
     298              : 
     299              : #define EXPR_P(NODE) IS_EXPR_CODE_CLASS (TREE_CODE_CLASS (TREE_CODE (NODE)))
     300              : 
     301              : #if __cpp_inline_variables < 201606L
     302              : #define TREE_CODE_LENGTH(CODE)  \
     303              :   tree_code_length_tmpl <0>::tree_code_length[(int) (CODE)]
     304              : #else
     305              : #define TREE_CODE_LENGTH(CODE)  tree_code_length[(int) (CODE)]
     306              : #endif
     307              : 
     308              : 
     309              : /* Helper macros for math builtins.  */
     310              : 
     311              : #define CASE_FLT_FN(FN) case FN: case FN##F: case FN##L
     312              : #define CASE_FLT_FN_FLOATN_NX(FN)                          \
     313              :   case FN##F16: case FN##F32: case FN##F64: case FN##F128: \
     314              :   case FN##F32X: case FN##F64X: case FN##F128X
     315              : #define CASE_FLT_FN_REENT(FN) case FN##_R: case FN##F_R: case FN##L_R
     316              : #define CASE_INT_FN(FN) case FN: case FN##L: case FN##LL: case FN##IMAX
     317              : 
     318              : #define NULL_TREE (tree) NULL
     319              : 
     320              : /* Define accessors for the fields that all tree nodes have
     321              :    (though some fields are not used for all kinds of nodes).  */
     322              : 
     323              : /* The tree-code says what kind of node it is.
     324              :    Codes are defined in tree.def.  */
     325              : #define TREE_CODE(NODE) ((enum tree_code) (NODE)->base.code)
     326              : #define TREE_SET_CODE(NODE, VALUE) ((NODE)->base.code = (VALUE))
     327              : 
     328              : /* When checking is enabled, errors will be generated if a tree node
     329              :    is accessed incorrectly. The macros die with a fatal error.  */
     330              : #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
     331              : 
     332              : #define TREE_CHECK(T, CODE) \
     333              : (tree_check ((T), __FILE__, __LINE__, __FUNCTION__, (CODE)))
     334              : 
     335              : #define TREE_NOT_CHECK(T, CODE) \
     336              : (tree_not_check ((T), __FILE__, __LINE__, __FUNCTION__, (CODE)))
     337              : 
     338              : #define TREE_CHECK2(T, CODE1, CODE2) \
     339              : (tree_check2 ((T), __FILE__, __LINE__, __FUNCTION__, (CODE1), (CODE2)))
     340              : 
     341              : #define TREE_NOT_CHECK2(T, CODE1, CODE2) \
     342              : (tree_not_check2 ((T), __FILE__, __LINE__, __FUNCTION__, (CODE1), (CODE2)))
     343              : 
     344              : #define TREE_CHECK3(T, CODE1, CODE2, CODE3) \
     345              : (tree_check3 ((T), __FILE__, __LINE__, __FUNCTION__, (CODE1), (CODE2), (CODE3)))
     346              : 
     347              : #define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) \
     348              : (tree_not_check3 ((T), __FILE__, __LINE__, __FUNCTION__, \
     349              :                                (CODE1), (CODE2), (CODE3)))
     350              : 
     351              : #define TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) \
     352              : (tree_check4 ((T), __FILE__, __LINE__, __FUNCTION__, \
     353              :                            (CODE1), (CODE2), (CODE3), (CODE4)))
     354              : 
     355              : #define TREE_NOT_CHECK4(T, CODE1, CODE2, CODE3, CODE4) \
     356              : (tree_not_check4 ((T), __FILE__, __LINE__, __FUNCTION__, \
     357              :                                (CODE1), (CODE2), (CODE3), (CODE4)))
     358              : 
     359              : #define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) \
     360              : (tree_check5 ((T), __FILE__, __LINE__, __FUNCTION__, \
     361              :                            (CODE1), (CODE2), (CODE3), (CODE4), (CODE5)))
     362              : 
     363              : #define TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) \
     364              : (tree_not_check5 ((T), __FILE__, __LINE__, __FUNCTION__, \
     365              :                                (CODE1), (CODE2), (CODE3), (CODE4), (CODE5)))
     366              : 
     367              : #define TREE_CHECK6(T, CODE1, CODE2, CODE3, CODE4, CODE5, CODE6) \
     368              : (tree_check6 ((T), __FILE__, __LINE__, __FUNCTION__, \
     369              :                         (CODE1), (CODE2), (CODE3), (CODE4), (CODE5), (CODE6)))
     370              : 
     371              : #define TREE_NOT_CHECK6(T, CODE1, CODE2, CODE3, CODE4, CODE5, CODE6) \
     372              : (tree_not_check6 ((T), __FILE__, __LINE__, __FUNCTION__, \
     373              :                         (CODE1), (CODE2), (CODE3), (CODE4), (CODE5), (CODE6)))
     374              : 
     375              : #define CONTAINS_STRUCT_CHECK(T, STRUCT) \
     376              : (contains_struct_check ((T), (STRUCT), __FILE__, __LINE__, __FUNCTION__))
     377              : 
     378              : #define TREE_CLASS_CHECK(T, CLASS) \
     379              : (tree_class_check ((T), (CLASS), __FILE__, __LINE__, __FUNCTION__))
     380              : 
     381              : #define TREE_RANGE_CHECK(T, CODE1, CODE2) \
     382              : (tree_range_check ((T), (CODE1), (CODE2), __FILE__, __LINE__, __FUNCTION__))
     383              : 
     384              : #define OMP_CLAUSE_SUBCODE_CHECK(T, CODE) \
     385              : (omp_clause_subcode_check ((T), (CODE), __FILE__, __LINE__, __FUNCTION__))
     386              : 
     387              : #define OMP_CLAUSE_RANGE_CHECK(T, CODE1, CODE2) \
     388              : (omp_clause_range_check ((T), (CODE1), (CODE2), \
     389              :                                       __FILE__, __LINE__, __FUNCTION__))
     390              : 
     391              : /* These checks have to be special cased.  */
     392              : #define EXPR_CHECK(T) \
     393              : (expr_check ((T), __FILE__, __LINE__, __FUNCTION__))
     394              : 
     395              : /* These checks have to be special cased.  */
     396              : #define NON_TYPE_CHECK(T) \
     397              : (non_type_check ((T), __FILE__, __LINE__, __FUNCTION__))
     398              : 
     399              : /* These checks have to be special cased.  */
     400              : #define ANY_INTEGRAL_TYPE_CHECK(T) \
     401              : (any_integral_type_check ((T), __FILE__, __LINE__, __FUNCTION__))
     402              : 
     403              : #define TREE_INT_CST_ELT_CHECK(T, I) \
     404              : (*tree_int_cst_elt_check ((T), (I), __FILE__, __LINE__, __FUNCTION__))
     405              : 
     406              : #define TREE_VEC_ELT_CHECK(T, I) \
     407              : (*(const_cast<tree *> ( \
     408              :      tree_vec_elt_check ((T), (I), __FILE__, __LINE__, __FUNCTION__))))
     409              : 
     410              : #define OMP_CLAUSE_ELT_CHECK(T, I) \
     411              : (*(omp_clause_elt_check ((T), (I), __FILE__, __LINE__, __FUNCTION__)))
     412              : 
     413              : /* Special checks for TREE_OPERANDs.  */
     414              : #define TREE_OPERAND_CHECK(T, I) \
     415              : (*(const_cast<tree *> ( \
     416              :      tree_operand_check ((T), (I), __FILE__, __LINE__, __FUNCTION__))))
     417              : 
     418              : #define TREE_OPERAND_CHECK_CODE(T, CODE, I) \
     419              : (*(tree_operand_check_code ((T), (CODE), (I), \
     420              :                                          __FILE__, __LINE__, __FUNCTION__)))
     421              : 
     422              : /* Nodes are chained together for many purposes.
     423              :    Types are chained together to record them for being output to the debugger
     424              :    (see the function `chain_type').
     425              :    Decls in the same scope are chained together to record the contents
     426              :    of the scope.
     427              :    Statement nodes for successive statements used to be chained together.
     428              :    Often lists of things are represented by TREE_LIST nodes that
     429              :    are chained together.  */
     430              : 
     431              : #define TREE_CHAIN(NODE) \
     432              : (CONTAINS_STRUCT_CHECK (NODE, TS_COMMON)->common.chain)
     433              : 
     434              : /* In all nodes that are expressions, this is the data type of the expression.
     435              :    In POINTER_TYPE nodes, this is the type that the pointer points to.
     436              :    In ARRAY_TYPE nodes, this is the type of the elements.
     437              :    In VECTOR_TYPE nodes, this is the type of the elements.  */
     438              : #define TREE_TYPE(NODE) \
     439              : (CONTAINS_STRUCT_CHECK (NODE, TS_TYPED)->typed.type)
     440              : 
     441              : extern void tree_contains_struct_check_failed (const_tree,
     442              :                                                const enum tree_node_structure_enum,
     443              :                                                const char *, int, const char *)
     444              :   ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     445              : 
     446              : extern void tree_check_failed (const_tree, const char *, int, const char *,
     447              :                                ...) ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     448              : extern void tree_not_check_failed (const_tree, const char *, int, const char *,
     449              :                                    ...) ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     450              : extern void tree_class_check_failed (const_tree, const enum tree_code_class,
     451              :                                      const char *, int, const char *)
     452              :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     453              : extern void tree_range_check_failed (const_tree, const char *, int,
     454              :                                      const char *, enum tree_code,
     455              :                                      enum tree_code)
     456              :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     457              : extern void tree_not_class_check_failed (const_tree,
     458              :                                          const enum tree_code_class,
     459              :                                          const char *, int, const char *)
     460              :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     461              : extern void tree_int_cst_elt_check_failed (int, int, const char *,
     462              :                                            int, const char *)
     463              :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     464              : extern void tree_vec_elt_check_failed (int, int, const char *,
     465              :                                        int, const char *)
     466              :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     467              : extern void phi_node_elt_check_failed (int, int, const char *,
     468              :                                        int, const char *)
     469              :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     470              : extern void tree_operand_check_failed (int, const_tree,
     471              :                                        const char *, int, const char *)
     472              :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     473              : extern void omp_clause_check_failed (const_tree, const char *, int,
     474              :                                      const char *, enum omp_clause_code)
     475              :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     476              : extern void omp_clause_operand_check_failed (int, const_tree, const char *,
     477              :                                              int, const char *)
     478              :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     479              : extern void omp_clause_range_check_failed (const_tree, const char *, int,
     480              :                                const char *, enum omp_clause_code,
     481              :                                enum omp_clause_code)
     482              :     ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
     483              : 
     484              : #else /* not ENABLE_TREE_CHECKING, or not gcc */
     485              : 
     486              : #define CONTAINS_STRUCT_CHECK(T, ENUM)          (T)
     487              : #define TREE_CHECK(T, CODE)                     (T)
     488              : #define TREE_NOT_CHECK(T, CODE)                 (T)
     489              : #define TREE_CHECK2(T, CODE1, CODE2)            (T)
     490              : #define TREE_NOT_CHECK2(T, CODE1, CODE2)        (T)
     491              : #define TREE_CHECK3(T, CODE1, CODE2, CODE3)     (T)
     492              : #define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) (T)
     493              : #define TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) (T)
     494              : #define TREE_NOT_CHECK4(T, CODE1, CODE2, CODE3, CODE4) (T)
     495              : #define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) (T)
     496              : #define TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) (T)
     497              : #define TREE_CHECK6(T, CODE1, CODE2, CODE3, CODE4, CODE5, CODE6) (T)
     498              : #define TREE_NOT_CHECK6(T, CODE1, CODE2, CODE3, CODE4, CODE5, CODE6) (T)
     499              : #define TREE_CLASS_CHECK(T, CODE)               (T)
     500              : #define TREE_RANGE_CHECK(T, CODE1, CODE2)       (T)
     501              : #define EXPR_CHECK(T)                           (T)
     502              : #define NON_TYPE_CHECK(T)                       (T)
     503              : #define TREE_INT_CST_ELT_CHECK(T, I)            ((T)->int_cst.val[I])
     504              : #define TREE_VEC_ELT_CHECK(T, I)                ((T)->vec.a[I])
     505              : #define TREE_OPERAND_CHECK(T, I)                ((T)->exp.operands[I])
     506              : #define TREE_OPERAND_CHECK_CODE(T, CODE, I)     ((T)->exp.operands[I])
     507              : #define OMP_CLAUSE_ELT_CHECK(T, i)              ((T)->omp_clause.ops[i])
     508              : #define OMP_CLAUSE_RANGE_CHECK(T, CODE1, CODE2) (T)
     509              : #define OMP_CLAUSE_SUBCODE_CHECK(T, CODE)       (T)
     510              : #define ANY_INTEGRAL_TYPE_CHECK(T)              (T)
     511              : 
     512              : #define TREE_CHAIN(NODE) ((NODE)->common.chain)
     513              : #define TREE_TYPE(NODE) ((NODE)->typed.type)
     514              : 
     515              : #endif
     516              : 
     517              : #define TREE_BLOCK(NODE)                (tree_block (NODE))
     518              : #define TREE_SET_BLOCK(T, B)            (tree_set_block ((T), (B)))
     519              : 
     520              : #include "tree-check.h"
     521              : 
     522              : #define TYPE_CHECK(T)           TREE_CLASS_CHECK (T, tcc_type)
     523              : #define DECL_MINIMAL_CHECK(T)   CONTAINS_STRUCT_CHECK (T, TS_DECL_MINIMAL)
     524              : #define DECL_COMMON_CHECK(T)    CONTAINS_STRUCT_CHECK (T, TS_DECL_COMMON)
     525              : #define DECL_WRTL_CHECK(T)      CONTAINS_STRUCT_CHECK (T, TS_DECL_WRTL)
     526              : #define DECL_WITH_VIS_CHECK(T)  CONTAINS_STRUCT_CHECK (T, TS_DECL_WITH_VIS)
     527              : #define DECL_NON_COMMON_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_NON_COMMON)
     528              : #define CST_CHECK(T)            TREE_CLASS_CHECK (T, tcc_constant)
     529              : #define STMT_CHECK(T)           TREE_CLASS_CHECK (T, tcc_statement)
     530              : #define VL_EXP_CHECK(T)         TREE_CLASS_CHECK (T, tcc_vl_exp)
     531              : #define FUNC_OR_METHOD_CHECK(T) TREE_CHECK2 (T, FUNCTION_TYPE, METHOD_TYPE)
     532              : #define PTR_OR_REF_CHECK(T)     TREE_CHECK2 (T, POINTER_TYPE, REFERENCE_TYPE)
     533              : 
     534              : #define RECORD_OR_UNION_CHECK(T)        \
     535              :   TREE_CHECK3 (T, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE)
     536              : #define NOT_RECORD_OR_UNION_CHECK(T) \
     537              :   TREE_NOT_CHECK3 (T, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE)
     538              : #define ARRAY_OR_INTEGER_TYPE_CHECK(T)  \
     539              :   TREE_CHECK2 (T, ARRAY_TYPE, INTEGER_TYPE)
     540              : 
     541              : #define NUMERICAL_TYPE_CHECK(T)                                 \
     542              :   TREE_CHECK6 (T, INTEGER_TYPE, ENUMERAL_TYPE, BOOLEAN_TYPE, REAL_TYPE, \
     543              :                FIXED_POINT_TYPE, BITINT_TYPE)
     544              : 
     545              : /* Here is how primitive or already-canonicalized types' hash codes
     546              :    are made.  */
     547              : #define TYPE_HASH(TYPE) (TYPE_UID (TYPE))
     548              : 
     549              : /* A simple hash function for an arbitrary tree node.  This must not be
     550              :    used in hash tables which are saved to a PCH.  */
     551              : #define TREE_HASH(NODE) ((size_t) (NODE) & 0777777)
     552              : 
     553              : /* Tests if CODE is a conversion expr (NOP_EXPR or CONVERT_EXPR).  */
     554              : #define CONVERT_EXPR_CODE_P(CODE)                               \
     555              :   ((CODE) == NOP_EXPR || (CODE) == CONVERT_EXPR)
     556              : 
     557              : /* Similarly, but accept an expression instead of a tree code.  */
     558              : #define CONVERT_EXPR_P(EXP)     CONVERT_EXPR_CODE_P (TREE_CODE (EXP))
     559              : 
     560              : /* Generate case for NOP_EXPR, CONVERT_EXPR.  */
     561              : 
     562              : #define CASE_CONVERT                                            \
     563              :   case NOP_EXPR:                                                \
     564              :   case CONVERT_EXPR
     565              : 
     566              : /* Given an expression as a tree, strip any conversion that generates
     567              :    no instruction.  Accepts both tree and const_tree arguments since
     568              :    we are not modifying the tree itself.  */
     569              : 
     570              : #define STRIP_NOPS(EXP) \
     571              :   (EXP) = tree_strip_nop_conversions (const_cast<tree> (EXP))
     572              : 
     573              : /* Like STRIP_NOPS, but don't let the signedness change either.  */
     574              : 
     575              : #define STRIP_SIGN_NOPS(EXP) \
     576              :   (EXP) = tree_strip_sign_nop_conversions (const_cast<tree> (EXP))
     577              : 
     578              : /* Like STRIP_NOPS, but don't alter the TREE_TYPE either.  */
     579              : 
     580              : #define STRIP_TYPE_NOPS(EXP) \
     581              :   while ((CONVERT_EXPR_P (EXP)                                  \
     582              :           || TREE_CODE (EXP) == NON_LVALUE_EXPR)                \
     583              :          && TREE_OPERAND (EXP, 0) != error_mark_node            \
     584              :          && (TREE_TYPE (EXP)                                    \
     585              :              == TREE_TYPE (TREE_OPERAND (EXP, 0))))             \
     586              :     (EXP) = TREE_OPERAND (EXP, 0)
     587              : 
     588              : /* Remove unnecessary type conversions according to
     589              :    tree_ssa_useless_type_conversion.  */
     590              : 
     591              : #define STRIP_USELESS_TYPE_CONVERSION(EXP) \
     592              :   (EXP) = tree_ssa_strip_useless_type_conversions (EXP)
     593              : 
     594              : /* Remove any VIEW_CONVERT_EXPR or NON_LVALUE_EXPR that's purely
     595              :    in use to provide a location_t.  */
     596              : 
     597              : #define STRIP_ANY_LOCATION_WRAPPER(EXP) \
     598              :   (EXP) = tree_strip_any_location_wrapper (const_cast<tree> (EXP))
     599              : 
     600              : /* Nonzero if TYPE represents a vector type.  */
     601              : 
     602              : #define VECTOR_TYPE_P(TYPE) (TREE_CODE (TYPE) == VECTOR_TYPE)
     603              : 
     604              : /* Nonzero if TYPE represents a vector of booleans.  */
     605              : 
     606              : #define VECTOR_BOOLEAN_TYPE_P(TYPE)                             \
     607              :   (TREE_CODE (TYPE) == VECTOR_TYPE                      \
     608              :    && TREE_CODE (TREE_TYPE (TYPE)) == BOOLEAN_TYPE)
     609              : 
     610              : /* Nonzero if TYPE represents an integral type.  Note that we do not
     611              :    include COMPLEX types here.  Keep these checks in ascending code
     612              :    order.  */
     613              : 
     614              : #define INTEGRAL_TYPE_P(TYPE)  \
     615              :   (TREE_CODE (TYPE) == ENUMERAL_TYPE  \
     616              :    || TREE_CODE (TYPE) == BOOLEAN_TYPE \
     617              :    || TREE_CODE (TYPE) == INTEGER_TYPE \
     618              :    || TREE_CODE (TYPE) == BITINT_TYPE)
     619              : 
     620              : /* Nonzero if TYPE represents an integral type (non-boolean).  */
     621              : 
     622              : #define INTEGRAL_NB_TYPE_P(TYPE)  \
     623              :   (TREE_CODE (TYPE) == ENUMERAL_TYPE  \
     624              :    || TREE_CODE (TYPE) == INTEGER_TYPE \
     625              :    || TREE_CODE (TYPE) == BITINT_TYPE)
     626              : 
     627              : /* Nonzero if TYPE represents an integral type, including complex
     628              :    and vector integer types.  */
     629              : 
     630              : #define ANY_INTEGRAL_TYPE_P(TYPE)               \
     631              :   (INTEGRAL_TYPE_P (TYPE)                       \
     632              :    || ((TREE_CODE (TYPE) == COMPLEX_TYPE        \
     633              :         || VECTOR_TYPE_P (TYPE))                \
     634              :        && INTEGRAL_TYPE_P (TREE_TYPE (TYPE))))
     635              : 
     636              : /* Nonzero if TYPE is bit-precise integer type.  */
     637              : 
     638              : #define BITINT_TYPE_P(TYPE) (TREE_CODE (TYPE) == BITINT_TYPE)
     639              : 
     640              : /* Nonzero if TYPE represents a non-saturating fixed-point type.  */
     641              : 
     642              : #define NON_SAT_FIXED_POINT_TYPE_P(TYPE) \
     643              :   (TREE_CODE (TYPE) == FIXED_POINT_TYPE && !TYPE_SATURATING (TYPE))
     644              : 
     645              : /* Nonzero if TYPE represents a saturating fixed-point type.  */
     646              : 
     647              : #define SAT_FIXED_POINT_TYPE_P(TYPE) \
     648              :   (TREE_CODE (TYPE) == FIXED_POINT_TYPE && TYPE_SATURATING (TYPE))
     649              : 
     650              : /* Nonzero if TYPE represents a fixed-point type.  */
     651              : 
     652              : #define FIXED_POINT_TYPE_P(TYPE)        (TREE_CODE (TYPE) == FIXED_POINT_TYPE)
     653              : 
     654              : /* Nonzero if TYPE represents a scalar floating-point type.  */
     655              : 
     656              : #define SCALAR_FLOAT_TYPE_P(TYPE) (TREE_CODE (TYPE) == REAL_TYPE)
     657              : 
     658              : /* Nonzero if TYPE represents a complex floating-point type.  */
     659              : 
     660              : #define COMPLEX_FLOAT_TYPE_P(TYPE)      \
     661              :   (TREE_CODE (TYPE) == COMPLEX_TYPE     \
     662              :    && TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)
     663              : 
     664              : /* Nonzero if TYPE represents a vector integer type.  */
     665              : 
     666              : #define VECTOR_INTEGER_TYPE_P(TYPE)                     \
     667              :   (VECTOR_TYPE_P (TYPE)                                 \
     668              :    && TREE_CODE (TREE_TYPE (TYPE)) == INTEGER_TYPE)
     669              : 
     670              : 
     671              : /* Nonzero if TYPE represents a vector floating-point type.  */
     672              : 
     673              : #define VECTOR_FLOAT_TYPE_P(TYPE)       \
     674              :   (VECTOR_TYPE_P (TYPE)                 \
     675              :    && TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)
     676              : 
     677              : /* Nonzero if TYPE represents a floating-point type, including complex
     678              :    and vector floating-point types.  The vector and complex check does
     679              :    not use the previous two macros to enable early folding.  */
     680              : 
     681              : #define FLOAT_TYPE_P(TYPE)                      \
     682              :   (SCALAR_FLOAT_TYPE_P (TYPE)                   \
     683              :    || ((TREE_CODE (TYPE) == COMPLEX_TYPE        \
     684              :         || VECTOR_TYPE_P (TYPE))                \
     685              :        && SCALAR_FLOAT_TYPE_P (TREE_TYPE (TYPE))))
     686              : 
     687              : /* Nonzero if TYPE represents a decimal floating-point type.  */
     688              : #define DECIMAL_FLOAT_TYPE_P(TYPE)              \
     689              :   (SCALAR_FLOAT_TYPE_P (TYPE)                   \
     690              :    && DECIMAL_FLOAT_MODE_P (TYPE_MODE (TYPE)))
     691              : 
     692              : /* Nonzero if TYPE is a record or union type.  */
     693              : #define RECORD_OR_UNION_TYPE_P(TYPE)            \
     694              :   (TREE_CODE (TYPE) == RECORD_TYPE              \
     695              :    || TREE_CODE (TYPE) == UNION_TYPE            \
     696              :    || TREE_CODE (TYPE) == QUAL_UNION_TYPE)
     697              : 
     698              : /* Nonzero if TYPE represents an aggregate (multi-component) type.
     699              :    Keep these checks in ascending code order.  */
     700              : 
     701              : #define AGGREGATE_TYPE_P(TYPE) \
     702              :   (TREE_CODE (TYPE) == ARRAY_TYPE || RECORD_OR_UNION_TYPE_P (TYPE))
     703              : 
     704              : /* Nonzero if TYPE represents a pointer or reference type.
     705              :    (It should be renamed to INDIRECT_TYPE_P.)  Keep these checks in
     706              :    ascending code order.  */
     707              : 
     708              : #define POINTER_TYPE_P(TYPE) \
     709              :   (TREE_CODE (TYPE) == POINTER_TYPE || TREE_CODE (TYPE) == REFERENCE_TYPE)
     710              : 
     711              : /* Nonzero if TYPE represents a pointer to function.  */
     712              : #define FUNCTION_POINTER_TYPE_P(TYPE) \
     713              :   (POINTER_TYPE_P (TYPE) && TREE_CODE (TREE_TYPE (TYPE)) == FUNCTION_TYPE)
     714              : 
     715              : /* Nonzero if this type is a complete type.  */
     716              : #define COMPLETE_TYPE_P(NODE) (TYPE_SIZE (NODE) != NULL_TREE)
     717              : 
     718              : /* Nonzero if this type is the (possibly qualified) void type.  */
     719              : #define VOID_TYPE_P(NODE) (TREE_CODE (NODE) == VOID_TYPE)
     720              : 
     721              : /* Nonzero if this type is complete or is cv void.  */
     722              : #define COMPLETE_OR_VOID_TYPE_P(NODE) \
     723              :   (COMPLETE_TYPE_P (NODE) || VOID_TYPE_P (NODE))
     724              : 
     725              : /* Nonzero if this type is complete or is an array with unspecified bound.  */
     726              : #define COMPLETE_OR_UNBOUND_ARRAY_TYPE_P(NODE) \
     727              :   (COMPLETE_TYPE_P (TREE_CODE (NODE) == ARRAY_TYPE ? TREE_TYPE (NODE) : (NODE)))
     728              : 
     729              : #define FUNC_OR_METHOD_TYPE_P(NODE) \
     730              :   (TREE_CODE (NODE) == FUNCTION_TYPE || TREE_CODE (NODE) == METHOD_TYPE)
     731              : 
     732              : #define OPAQUE_TYPE_P(NODE) \
     733              :     (TREE_CODE (NODE) == OPAQUE_TYPE)
     734              : 
     735              : /* Define many boolean fields that all tree nodes have.  */
     736              : 
     737              : /* In VAR_DECL, PARM_DECL and RESULT_DECL nodes, nonzero means address
     738              :    of this is needed.  So it cannot be in a register.
     739              :    In a FUNCTION_DECL it has no meaning.
     740              :    In LABEL_DECL nodes, it means a goto for this label has been seen
     741              :    from a place outside all binding contours that restore stack levels.
     742              :    In an artificial SSA_NAME that points to a stack partition with at least
     743              :    two variables, it means that at least one variable has TREE_ADDRESSABLE.
     744              :    In ..._TYPE nodes, it means that objects of this type must be fully
     745              :    addressable.  This means that pieces of this object cannot go into
     746              :    register parameters, for example.  If this a function type, this
     747              :    means that the value must be returned in memory.
     748              :    In CONSTRUCTOR nodes, it means object constructed must be in memory.
     749              :    In IDENTIFIER_NODEs, this means that some extern decl for this name
     750              :    had its address taken.  That matters for inline functions.
     751              :    In a STMT_EXPR, it means we want the result of the enclosed expression.  */
     752              : #define TREE_ADDRESSABLE(NODE) ((NODE)->base.addressable_flag)
     753              : 
     754              : /* Set on a CALL_EXPR if the call is in a tail position, ie. just before the
     755              :    exit of a function.  Calls for which this is true are candidates for tail
     756              :    call optimizations.  */
     757              : #define CALL_EXPR_TAILCALL(NODE) \
     758              :   (CALL_EXPR_CHECK (NODE)->base.addressable_flag)
     759              : 
     760              : /* Set on a CALL_EXPR if the call has been marked as requiring tail call
     761              :    optimization for correctness.  */
     762              : #define CALL_EXPR_MUST_TAIL_CALL(NODE) \
     763              :   (CALL_EXPR_CHECK (NODE)->base.static_flag)
     764              : 
     765              : /* Used as a temporary field on a CASE_LABEL_EXPR to indicate that the
     766              :    CASE_LOW operand has been processed.  */
     767              : #define CASE_LOW_SEEN(NODE) \
     768              :   (CASE_LABEL_EXPR_CHECK (NODE)->base.addressable_flag)
     769              : 
     770              : #define PREDICT_EXPR_OUTCOME(NODE) \
     771              :   ((enum prediction) (PREDICT_EXPR_CHECK (NODE)->base.addressable_flag))
     772              : #define SET_PREDICT_EXPR_OUTCOME(NODE, OUTCOME) \
     773              :   (PREDICT_EXPR_CHECK (NODE)->base.addressable_flag = (int) OUTCOME)
     774              : #define PREDICT_EXPR_PREDICTOR(NODE) \
     775              :   ((enum br_predictor)tree_to_shwi (TREE_OPERAND (PREDICT_EXPR_CHECK (NODE), 0)))
     776              : 
     777              : /* In a VAR_DECL, nonzero means allocate static storage.
     778              :    In a FUNCTION_DECL, nonzero if function has been defined.
     779              :    In a CONSTRUCTOR, nonzero means allocate static storage.  */
     780              : #define TREE_STATIC(NODE) ((NODE)->base.static_flag)
     781              : 
     782              : /* In an ADDR_EXPR, nonzero means do not use a trampoline.  */
     783              : #define TREE_NO_TRAMPOLINE(NODE) (ADDR_EXPR_CHECK (NODE)->base.static_flag)
     784              : 
     785              : /* In a TARGET_EXPR or WITH_CLEANUP_EXPR, means that the pertinent cleanup
     786              :    should only be executed if an exception is thrown, not on normal exit
     787              :    of its scope.  */
     788              : #define CLEANUP_EH_ONLY(NODE) ((NODE)->base.static_flag)
     789              : 
     790              : /* In a TRY_CATCH_EXPR, means that the handler should be considered a
     791              :    separate cleanup in honor_protect_cleanup_actions.  */
     792              : #define TRY_CATCH_IS_CLEANUP(NODE) \
     793              :   (TRY_CATCH_EXPR_CHECK (NODE)->base.static_flag)
     794              : 
     795              : /* Used as a temporary field on a CASE_LABEL_EXPR to indicate that the
     796              :    CASE_HIGH operand has been processed.  */
     797              : #define CASE_HIGH_SEEN(NODE) \
     798              :   (CASE_LABEL_EXPR_CHECK (NODE)->base.static_flag)
     799              : 
     800              : /* Used to mark scoped enums.  */
     801              : #define ENUM_IS_SCOPED(NODE) (ENUMERAL_TYPE_CHECK (NODE)->base.static_flag)
     802              : 
     803              : /* Determines whether an ENUMERAL_TYPE has defined the list of constants. */
     804              : #define ENUM_IS_OPAQUE(NODE) (ENUMERAL_TYPE_CHECK (NODE)->base.private_flag)
     805              : 
     806              : /* Determines whether a VIEW_CONVERT_EXPR node is used to create const
     807              :    qualified variant of its first operand (used by C++ contracts).  */
     808              : #define CONST_WRAPPER_P(NODE) \
     809              :   (TREE_CHECK (NODE, VIEW_CONVERT_EXPR)->base.private_flag)
     810              : 
     811              : /* In an expr node (usually a conversion) this means the node was made
     812              :    implicitly and should not lead to any sort of warning.  In a decl node,
     813              :    warnings concerning the decl should be suppressed.  This is used at
     814              :    least for used-before-set warnings, and it set after one warning is
     815              :    emitted.  */
     816              : #define TREE_NO_WARNING(NODE) ((NODE)->base.nowarning_flag)
     817              : 
     818              : /* Nonzero if we should warn about the change in empty class parameter
     819              :    passing ABI in this TU.  */
     820              : #define TRANSLATION_UNIT_WARN_EMPTY_P(NODE) \
     821              :   (TRANSLATION_UNIT_DECL_CHECK (NODE)->decl_common.decl_flag_0)
     822              : 
     823              : /* Nonzero if this type is "empty" according to the particular psABI.  */
     824              : #define TYPE_EMPTY_P(NODE) (TYPE_CHECK (NODE)->type_common.empty_flag)
     825              : 
     826              : /* Used to indicate that this TYPE represents a compiler-generated entity.  */
     827              : #define TYPE_ARTIFICIAL(NODE) (TYPE_CHECK (NODE)->base.nowarning_flag)
     828              : 
     829              : /* True if the type is indivisible at the source level, i.e. if its
     830              :    component parts cannot be accessed directly.  This is used to suppress
     831              :    normal GNU extensions for target-specific vector types.  */
     832              : #define TYPE_INDIVISIBLE_P(NODE) (TYPE_CHECK (NODE)->type_common.indivisible_p)
     833              : 
     834              : /* True if this is a stdarg function with no named arguments (C23
     835              :    (...) prototype, where arguments can be accessed with va_start and
     836              :    va_arg), as opposed to an unprototyped function.  */
     837              : #define TYPE_NO_NAMED_ARGS_STDARG_P(NODE) \
     838              :   (FUNC_OR_METHOD_CHECK (NODE)->type_common.no_named_args_stdarg_p)
     839              : 
     840              : /* True if this RECORD_TYPE or UNION_TYPE includes a flexible array member
     841              :    as the last field recursively.  */
     842              : #define TYPE_INCLUDES_FLEXARRAY(NODE) \
     843              :   (RECORD_OR_UNION_CHECK (NODE)->type_common.no_named_args_stdarg_p)
     844              : 
     845              : /* In an IDENTIFIER_NODE, this means that assemble_name was called with
     846              :    this string as an argument.  */
     847              : #define TREE_SYMBOL_REFERENCED(NODE) \
     848              :   (IDENTIFIER_NODE_CHECK (NODE)->base.static_flag)
     849              : 
     850              : /* Nonzero in a pointer or reference type means the data pointed to
     851              :    by this type can alias anything.  */
     852              : #define TYPE_REF_CAN_ALIAS_ALL(NODE) \
     853              :   (PTR_OR_REF_CHECK (NODE)->base.static_flag)
     854              : 
     855              : /* In an INTEGER_CST, REAL_CST, or COMPLEX_CST, this means
     856              :    there was an overflow in folding.  */
     857              : 
     858              : #define TREE_OVERFLOW(NODE) (CST_CHECK (NODE)->base.public_flag)
     859              : 
     860              : /* TREE_OVERFLOW can only be true for EXPR of CONSTANT_CLASS_P.  */
     861              : 
     862              : #define TREE_OVERFLOW_P(EXPR) \
     863              :  (CONSTANT_CLASS_P (EXPR) && TREE_OVERFLOW (EXPR))
     864              : 
     865              : /* In a VAR_DECL, FUNCTION_DECL, NAMESPACE_DECL or TYPE_DECL,
     866              :    nonzero means name is to be accessible from outside this translation unit.
     867              :    In an IDENTIFIER_NODE, nonzero means an external declaration
     868              :    accessible from outside this translation unit was previously seen
     869              :    for this name in an inner scope.  */
     870              : #define TREE_PUBLIC(NODE) ((NODE)->base.public_flag)
     871              : 
     872              : /* In a _TYPE, indicates whether TYPE_CACHED_VALUES contains a vector
     873              :    of cached values, or is something else.  */
     874              : #define TYPE_CACHED_VALUES_P(NODE) (TYPE_CHECK (NODE)->base.public_flag)
     875              : 
     876              : /* In a SAVE_EXPR, indicates that the original expression has already
     877              :    been substituted with a VAR_DECL that contains the value.  */
     878              : #define SAVE_EXPR_RESOLVED_P(NODE) \
     879              :   (SAVE_EXPR_CHECK (NODE)->base.public_flag)
     880              : 
     881              : /* Set on a CALL_EXPR if this stdarg call should be passed the argument
     882              :    pack.  */
     883              : #define CALL_EXPR_VA_ARG_PACK(NODE) \
     884              :   (CALL_EXPR_CHECK (NODE)->base.public_flag)
     885              : 
     886              : /* In any expression, decl, or constant, nonzero means it has side effects or
     887              :    reevaluation of the whole expression could produce a different value.
     888              :    This is set if any subexpression is a function call, a side effect or a
     889              :    reference to a volatile variable.  In a ..._DECL, this is set only if the
     890              :    declaration said `volatile'.  This will never be set for a constant.  */
     891              : #define TREE_SIDE_EFFECTS(NODE) \
     892              :   (NON_TYPE_CHECK (NODE)->base.side_effects_flag)
     893              : 
     894              : /* In a LABEL_DECL, nonzero means this label had its address taken
     895              :    and therefore can never be deleted and is a jump target for
     896              :    computed gotos.  */
     897              : #define FORCED_LABEL(NODE) (LABEL_DECL_CHECK (NODE)->base.side_effects_flag)
     898              : 
     899              : /* Whether a case or a user-defined label is allowed to fall through to.
     900              :    This is used to implement -Wimplicit-fallthrough.  */
     901              : #define FALLTHROUGH_LABEL_P(NODE) \
     902              :   (LABEL_DECL_CHECK (NODE)->base.private_flag)
     903              : 
     904              : /* Set on the artificial label created for break; stmt from a switch.
     905              :    This is used to implement -Wimplicit-fallthrough.  */
     906              : #define SWITCH_BREAK_LABEL_P(NODE) \
     907              :   (LABEL_DECL_CHECK (NODE)->base.protected_flag)
     908              : 
     909              : /* Set on label that is known not to be jumped to, it can be only
     910              :    reached by falling through from previous statements.
     911              :    This is used to implement -Wimplicit-fallthrough.  */
     912              : #define UNUSED_LABEL_P(NODE) \
     913              :   (LABEL_DECL_CHECK (NODE)->base.default_def_flag)
     914              : 
     915              : /* Label used to goto around artificial .DEFERRED_INIT code for
     916              :    C++ -ftrivial-auto-var-init= purposes with a goto around it.
     917              :    VACUOUS_INIT_LABEL_P flag is used on the lab LABEL_DECL in:
     918              :    goto lab;
     919              :    lab1:
     920              :    v1 = .DEFERRED_INIT (...);
     921              :    v2 = .DEFERRED_INIT (...);
     922              :    lab2:
     923              :    v3 = .DEFERRED_INIT (...);
     924              :    lab:  */
     925              : #define VACUOUS_INIT_LABEL_P(NODE) \
     926              :   (LABEL_DECL_CHECK (NODE)->base.nothrow_flag)
     927              : 
     928              : /* Nonzero means this expression is volatile in the C sense:
     929              :    its address should be of type `volatile WHATEVER *'.
     930              :    In other words, the declared item is volatile qualified.
     931              :    This is used in _DECL nodes and _REF nodes.
     932              :    On a FUNCTION_DECL node, this means the function does not
     933              :    return normally.  This is the same effect as setting
     934              :    the attribute noreturn on the function in C.
     935              : 
     936              :    In a ..._TYPE node, means this type is volatile-qualified.
     937              :    But use TYPE_VOLATILE instead of this macro when the node is a type,
     938              :    because eventually we may make that a different bit.
     939              : 
     940              :    If this bit is set in an expression, so is TREE_SIDE_EFFECTS.  */
     941              : #define TREE_THIS_VOLATILE(NODE) ((NODE)->base.volatile_flag)
     942              : 
     943              : /* Nonzero means this node will not trap.  In an INDIRECT_REF, means
     944              :    accessing the memory pointed to won't generate a trap.  However,
     945              :    this only applies to an object when used appropriately: it doesn't
     946              :    mean that writing a READONLY mem won't trap.
     947              : 
     948              :    In ARRAY_REF and ARRAY_RANGE_REF means that we know that the index
     949              :    (or slice of the array) always belongs to the range of the array.
     950              :    I.e. that the access will not trap, provided that the access to
     951              :    the base to the array will not trap.  */
     952              : #define TREE_THIS_NOTRAP(NODE) \
     953              :   (TREE_CHECK5 (NODE, INDIRECT_REF, MEM_REF, TARGET_MEM_REF, ARRAY_REF, \
     954              :                 ARRAY_RANGE_REF)->base.nothrow_flag)
     955              : 
     956              : /* In a VAR_DECL, PARM_DECL or FIELD_DECL, or any kind of ..._REF node,
     957              :    nonzero means it may not be the lhs of an assignment.
     958              :    Nonzero in a FUNCTION_DECL means this function should be treated
     959              :    as "const" function (can only read its arguments).  */
     960              : #define TREE_READONLY(NODE) (NON_TYPE_CHECK (NODE)->base.readonly_flag)
     961              : 
     962              : /* Value of expression is constant.  Always on in all ..._CST nodes.  May
     963              :    also appear in an expression or decl where the value is constant.  */
     964              : #define TREE_CONSTANT(NODE) (NON_TYPE_CHECK (NODE)->base.constant_flag)
     965              : 
     966              : /* Nonzero if NODE, a type, has had its sizes gimplified.  */
     967              : #define TYPE_SIZES_GIMPLIFIED(NODE) \
     968              :   (TYPE_CHECK (NODE)->base.constant_flag)
     969              : 
     970              : /* In a decl (most significantly a FIELD_DECL), means an unsigned field.  */
     971              : #define DECL_UNSIGNED(NODE) \
     972              :   (DECL_COMMON_CHECK (NODE)->base.u.bits.unsigned_flag)
     973              : 
     974              : /* In integral and pointer types, means an unsigned type.  */
     975              : #define TYPE_UNSIGNED(NODE) (TYPE_CHECK (NODE)->base.u.bits.unsigned_flag)
     976              : 
     977              : /* Same as TYPE_UNSIGNED but converted to SIGNOP.  */
     978              : #define TYPE_SIGN(NODE) ((signop) TYPE_UNSIGNED (NODE))
     979              : 
     980              : /* True if overflow wraps around for the given integral or pointer type.  That
     981              :    is, TYPE_MAX + 1 == TYPE_MIN.  */
     982              : #define TYPE_OVERFLOW_WRAPS(TYPE) \
     983              :   (POINTER_TYPE_P (TYPE)                                        \
     984              :    ? flag_wrapv_pointer                                         \
     985              :    : (ANY_INTEGRAL_TYPE_CHECK(TYPE)->base.u.bits.unsigned_flag       \
     986              :       || flag_wrapv))
     987              : 
     988              : /* True if overflow is undefined for the given integral or pointer type.
     989              :    We may optimize on the assumption that values in the type never overflow.  */
     990              : #define TYPE_OVERFLOW_UNDEFINED(TYPE)                           \
     991              :   (POINTER_TYPE_P (TYPE)                                        \
     992              :    ? !flag_wrapv_pointer                                        \
     993              :    : (!ANY_INTEGRAL_TYPE_CHECK(TYPE)->base.u.bits.unsigned_flag      \
     994              :       && !flag_wrapv && !flag_trapv))
     995              : 
     996              : /* True if overflow for the given integral type should issue a
     997              :    trap.  */
     998              : #define TYPE_OVERFLOW_TRAPS(TYPE) \
     999              :   (!ANY_INTEGRAL_TYPE_CHECK(TYPE)->base.u.bits.unsigned_flag && flag_trapv)
    1000              : 
    1001              : /* True if an overflow is to be preserved for sanitization.  */
    1002              : #define TYPE_OVERFLOW_SANITIZED(TYPE)                   \
    1003              :   (INTEGRAL_TYPE_P (TYPE)                               \
    1004              :    && !TYPE_OVERFLOW_WRAPS (TYPE)                       \
    1005              :    && (flag_sanitize & SANITIZE_SI_OVERFLOW))
    1006              : 
    1007              : /* Nonzero in a VAR_DECL or STRING_CST means assembler code has been written.
    1008              :    Nonzero in a FUNCTION_DECL means that the function has been compiled.
    1009              :    This is interesting in an inline function, since it might not need
    1010              :    to be compiled separately.
    1011              :    Nonzero in a RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, ENUMERAL_TYPE
    1012              :    or TYPE_DECL if the debugging info for the type has been written.
    1013              :    In a BLOCK node, nonzero if reorder_blocks has already seen this block.
    1014              :    In an SSA_NAME node, nonzero if the SSA_NAME occurs in an abnormal
    1015              :    PHI node.  */
    1016              : #define TREE_ASM_WRITTEN(NODE) ((NODE)->base.asm_written_flag)
    1017              : 
    1018              : /* Nonzero in a _DECL if the name is used in its scope.
    1019              :    Nonzero in an expr node means inhibit warning if value is unused.
    1020              :    In IDENTIFIER_NODEs, this means that some extern decl for this name
    1021              :    was used.
    1022              :    In a BLOCK, this means that the block contains variables that are used.  */
    1023              : #define TREE_USED(NODE) ((NODE)->base.used_flag)
    1024              : 
    1025              : /* In a FUNCTION_DECL, nonzero means a call to the function cannot
    1026              :    throw an exception.  In a CALL_EXPR, nonzero means the call cannot
    1027              :    throw.  We can't easily check the node type here as the C++
    1028              :    frontend also uses this flag (for AGGR_INIT_EXPR).  */
    1029              : #define TREE_NOTHROW(NODE) ((NODE)->base.nothrow_flag)
    1030              : 
    1031              : /* In a CALL_EXPR, means that it's safe to use the target of the call
    1032              :    expansion as the return slot for a call that returns in memory.  */
    1033              : #define CALL_EXPR_RETURN_SLOT_OPT(NODE) \
    1034              :   (CALL_EXPR_CHECK (NODE)->base.private_flag)
    1035              : 
    1036              : /* In a RESULT_DECL, PARM_DECL and VAR_DECL, means that it is
    1037              :    passed by invisible reference (and the TREE_TYPE is a pointer to the true
    1038              :    type).  */
    1039              : #define DECL_BY_REFERENCE(NODE) \
    1040              :   (TREE_CHECK3 (NODE, VAR_DECL, PARM_DECL, \
    1041              :                 RESULT_DECL)->decl_common.decl_by_reference_flag)
    1042              : 
    1043              : /* In VAR_DECL and PARM_DECL, set when the decl has been used except for
    1044              :    being set.  */
    1045              : #define DECL_READ_P(NODE) \
    1046              :   (TREE_CHECK2 (NODE, VAR_DECL, PARM_DECL)->decl_common.decl_read_flag)
    1047              : 
    1048              : /* In VAR_DECL or RESULT_DECL, set when significant code movement precludes
    1049              :    attempting to share the stack slot with some other variable.  */
    1050              : #define DECL_NONSHAREABLE(NODE) \
    1051              :   (TREE_CHECK2 (NODE, VAR_DECL, \
    1052              :                 RESULT_DECL)->decl_common.decl_nonshareable_flag)
    1053              : 
    1054              : /* In a PARM_DECL, set for Fortran hidden string length arguments that some
    1055              :    buggy callers don't pass to the callee.  */
    1056              : #define DECL_HIDDEN_STRING_LENGTH(NODE) \
    1057              :   (TREE_CHECK (NODE, PARM_DECL)->decl_common.decl_nonshareable_flag)
    1058              : 
    1059              : /* In a CALL_EXPR, means that the call is the jump from a thunk to the
    1060              :    thunked-to function.  Be careful to avoid using this macro when one of the
    1061              :    next two applies instead.  */
    1062              : #define CALL_FROM_THUNK_P(NODE) (CALL_EXPR_CHECK (NODE)->base.protected_flag)
    1063              : 
    1064              : /* In a CALL_EXPR, if the function being called is BUILT_IN_ALLOCA, means that
    1065              :    it has been built for the declaration of a variable-sized object and, if the
    1066              :    function being called is BUILT_IN_MEMCPY, means that it has been built for
    1067              :    the assignment of a variable-sized object.  */
    1068              : #define CALL_ALLOCA_FOR_VAR_P(NODE) \
    1069              :   (CALL_EXPR_CHECK (NODE)->base.protected_flag)
    1070              : 
    1071              : /* In a CALL_EXPR, if the function being called is DECL_IS_OPERATOR_NEW_P or
    1072              :    DECL_IS_OPERATOR_DELETE_P, true for allocator calls from C++ new or delete
    1073              :    expressions.  Not set for C++20 destroying delete operators.  */
    1074              : #define CALL_FROM_NEW_OR_DELETE_P(NODE) \
    1075              :   (CALL_EXPR_CHECK (NODE)->base.protected_flag)
    1076              : 
    1077              : /* Used in classes in C++.  */
    1078              : #define TREE_PRIVATE(NODE) ((NODE)->base.private_flag)
    1079              : /* Used in classes in C++. */
    1080              : #define TREE_PROTECTED(NODE) ((NODE)->base.protected_flag)
    1081              : 
    1082              : /* True if reference type NODE is a C++ rvalue reference.  */
    1083              : #define TYPE_REF_IS_RVALUE(NODE) \
    1084              :   (REFERENCE_TYPE_CHECK (NODE)->base.private_flag)
    1085              : 
    1086              : /* Nonzero in a _DECL if the use of the name is defined as a
    1087              :    deprecated feature by __attribute__((deprecated)).  */
    1088              : #define TREE_DEPRECATED(NODE) \
    1089              :   ((NODE)->base.deprecated_flag)
    1090              : 
    1091              : /* Nonzero in a _DECL if the use of the name is defined as an
    1092              :    unavailable feature by __attribute__((unavailable)).  */
    1093              : #define TREE_UNAVAILABLE(NODE) \
    1094              :   ((NODE)->base.u.bits.unavailable_flag)
    1095              : 
    1096              : /* Nonzero indicates an IDENTIFIER_NODE that names an anonymous
    1097              :    aggregate, (as created by anon_aggr_name_format).  */
    1098              : #define IDENTIFIER_ANON_P(NODE) \
    1099              :   (IDENTIFIER_NODE_CHECK (NODE)->base.private_flag)
    1100              : 
    1101              : /* Nonzero indicates an IDENTIFIER_NODE that names an internal label.
    1102              :    The prefix used to generate the label can be found on the TREE_CHAIN.  */
    1103              : #define IDENTIFIER_INTERNAL_P(NODE) \
    1104              :   (IDENTIFIER_NODE_CHECK (NODE)->base.volatile_flag)
    1105              : 
    1106              : /* Nonzero in an IDENTIFIER_NODE if the name is a local alias, whose
    1107              :    uses are to be substituted for uses of the TREE_CHAINed identifier.  */
    1108              : #define IDENTIFIER_TRANSPARENT_ALIAS(NODE) \
    1109              :   (IDENTIFIER_NODE_CHECK (NODE)->base.deprecated_flag)
    1110              : 
    1111              : /* In an aggregate type, indicates that the scalar fields of the type are
    1112              :    stored in reverse order from the target order.  This effectively
    1113              :    toggles BYTES_BIG_ENDIAN and WORDS_BIG_ENDIAN within the type.  */
    1114              : #define TYPE_REVERSE_STORAGE_ORDER(NODE) \
    1115              :   (TREE_CHECK4 (NODE, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, ARRAY_TYPE)->base.u.bits.saturating_flag)
    1116              : 
    1117              : /* In a non-aggregate type, indicates a saturating type.  */
    1118              : #define TYPE_SATURATING(NODE) \
    1119              :   (TREE_NOT_CHECK4 (NODE, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, ARRAY_TYPE)->base.u.bits.saturating_flag)
    1120              : 
    1121              : /* In a BIT_FIELD_REF and MEM_REF, indicates that the reference is to a group
    1122              :    of bits stored in reverse order from the target order.  This effectively
    1123              :    toggles both BYTES_BIG_ENDIAN and WORDS_BIG_ENDIAN for the reference.
    1124              : 
    1125              :    The overall strategy is to preserve the invariant that every scalar in
    1126              :    memory is associated with a single storage order, i.e. all accesses to
    1127              :    this scalar are done with the same storage order.  This invariant makes
    1128              :    it possible to factor out the storage order in most transformations, as
    1129              :    only the address and/or the value (in target order) matter for them.
    1130              :    But, of course, the storage order must be preserved when the accesses
    1131              :    themselves are rewritten or transformed.  */
    1132              : #define REF_REVERSE_STORAGE_ORDER(NODE) \
    1133              :   (TREE_CHECK2 (NODE, BIT_FIELD_REF, MEM_REF)->base.default_def_flag)
    1134              : 
    1135              :   /* In an ADDR_EXPR, indicates that this is a pointer to nested function
    1136              :    represented by a descriptor instead of a trampoline.  */
    1137              : #define FUNC_ADDR_BY_DESCRIPTOR(NODE) \
    1138              :   (TREE_CHECK (NODE, ADDR_EXPR)->base.default_def_flag)
    1139              : 
    1140              : /* In a CALL_EXPR, indicates that this is an indirect call for which
    1141              :    pointers to nested function are descriptors instead of trampolines.  */
    1142              : #define CALL_EXPR_BY_DESCRIPTOR(NODE) \
    1143              :   (TREE_CHECK (NODE, CALL_EXPR)->base.default_def_flag)
    1144              : 
    1145              : /* These flags are available for each language front end to use internally.  */
    1146              : #define TREE_LANG_FLAG_0(NODE) \
    1147              :   (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_0)
    1148              : #define TREE_LANG_FLAG_1(NODE) \
    1149              :   (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_1)
    1150              : #define TREE_LANG_FLAG_2(NODE) \
    1151              :   (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_2)
    1152              : #define TREE_LANG_FLAG_3(NODE) \
    1153              :   (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_3)
    1154              : #define TREE_LANG_FLAG_4(NODE) \
    1155              :   (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_4)
    1156              : #define TREE_LANG_FLAG_5(NODE) \
    1157              :   (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_5)
    1158              : #define TREE_LANG_FLAG_6(NODE) \
    1159              :   (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_6)
    1160              : 
    1161              : /* Define additional fields and accessors for nodes representing constants.  */
    1162              : 
    1163              : #define TREE_INT_CST_NUNITS(NODE) \
    1164              :   (INTEGER_CST_CHECK (NODE)->base.u.int_length.unextended)
    1165              : #define TREE_INT_CST_EXT_NUNITS(NODE) \
    1166              :   (INTEGER_CST_CHECK (NODE)->base.u.int_length.extended)
    1167              : #define TREE_INT_CST_ELT(NODE, I) TREE_INT_CST_ELT_CHECK (NODE, I)
    1168              : #define TREE_INT_CST_LOW(NODE) \
    1169              :   ((unsigned HOST_WIDE_INT) TREE_INT_CST_ELT (NODE, 0))
    1170              : 
    1171              : /* Return true if NODE is a POLY_INT_CST.  This is only ever true on
    1172              :    targets with variable-sized modes.  */
    1173              : #define POLY_INT_CST_P(NODE) \
    1174              :   (NUM_POLY_INT_COEFFS > 1 && TREE_CODE (NODE) == POLY_INT_CST)
    1175              : 
    1176              : /* In a POLY_INT_CST node.  */
    1177              : #define POLY_INT_CST_COEFF(NODE, I) \
    1178              :   (POLY_INT_CST_CHECK (NODE)->poly_int_cst.coeffs[I])
    1179              : 
    1180              : #define TREE_REAL_CST_PTR(NODE) (&REAL_CST_CHECK (NODE)->real_cst.value)
    1181              : #define TREE_REAL_CST(NODE) (*TREE_REAL_CST_PTR (NODE))
    1182              : 
    1183              : #define TREE_FIXED_CST_PTR(NODE) \
    1184              :   (FIXED_CST_CHECK (NODE)->fixed_cst.fixed_cst_ptr)
    1185              : #define TREE_FIXED_CST(NODE) (*TREE_FIXED_CST_PTR (NODE))
    1186              : 
    1187              : /* In a STRING_CST */
    1188              : /* In C terms, this is sizeof, not strlen.  */
    1189              : #define TREE_STRING_LENGTH(NODE) (STRING_CST_CHECK (NODE)->string.length)
    1190              : #define TREE_STRING_POINTER(NODE) \
    1191              :   ((const char *)(STRING_CST_CHECK (NODE)->string.str))
    1192              : 
    1193              : /* In a RAW_DATA_CST */
    1194              : #define RAW_DATA_LENGTH(NODE) \
    1195              :   (RAW_DATA_CST_CHECK (NODE)->raw_data_cst.length)
    1196              : #define RAW_DATA_POINTER(NODE) \
    1197              :   (RAW_DATA_CST_CHECK (NODE)->raw_data_cst.str)
    1198              : #define RAW_DATA_OWNER(NODE) \
    1199              :   (RAW_DATA_CST_CHECK (NODE)->raw_data_cst.owner)
    1200              : #define RAW_DATA_UCHAR_ELT(NODE, I) \
    1201              :   (((const unsigned char *) RAW_DATA_POINTER (NODE))[I])
    1202              : #define RAW_DATA_SCHAR_ELT(NODE, I) \
    1203              :   (((const signed char *) RAW_DATA_POINTER (NODE))[I])
    1204              : 
    1205              : /* In a COMPLEX_CST node.  */
    1206              : #define TREE_REALPART(NODE) (COMPLEX_CST_CHECK (NODE)->complex.real)
    1207              : #define TREE_IMAGPART(NODE) (COMPLEX_CST_CHECK (NODE)->complex.imag)
    1208              : 
    1209              : /* In a VECTOR_CST node.  See generic.texi for details.  */
    1210              : #define VECTOR_CST_NELTS(NODE) (TYPE_VECTOR_SUBPARTS (TREE_TYPE (NODE)))
    1211              : #define VECTOR_CST_ELT(NODE,IDX) vector_cst_elt (NODE, IDX)
    1212              : 
    1213              : #define VECTOR_CST_LOG2_NPATTERNS(NODE) \
    1214              :   (VECTOR_CST_CHECK (NODE)->base.u.vector_cst.log2_npatterns)
    1215              : #define VECTOR_CST_NPATTERNS(NODE) \
    1216              :   (1U << VECTOR_CST_LOG2_NPATTERNS (NODE))
    1217              : #define VECTOR_CST_NELTS_PER_PATTERN(NODE) \
    1218              :   (VECTOR_CST_CHECK (NODE)->base.u.vector_cst.nelts_per_pattern)
    1219              : #define VECTOR_CST_DUPLICATE_P(NODE) \
    1220              :   (VECTOR_CST_NELTS_PER_PATTERN (NODE) == 1)
    1221              : #define VECTOR_CST_STEPPED_P(NODE) \
    1222              :   (VECTOR_CST_NELTS_PER_PATTERN (NODE) == 3)
    1223              : #define VECTOR_CST_ENCODED_ELTS(NODE) \
    1224              :   (VECTOR_CST_CHECK (NODE)->vector.elts)
    1225              : #define VECTOR_CST_ENCODED_ELT(NODE, ELT) \
    1226              :   (VECTOR_CST_CHECK (NODE)->vector.elts[ELT])
    1227              : 
    1228              : /* Define fields and accessors for some special-purpose tree nodes.  */
    1229              : 
    1230              : /* Unlike STRING_CST, in C terms this is strlen, not sizeof.  */
    1231              : #define IDENTIFIER_LENGTH(NODE) \
    1232              :   (IDENTIFIER_NODE_CHECK (NODE)->identifier.id.len)
    1233              : #define IDENTIFIER_POINTER(NODE) \
    1234              :   ((const char *) IDENTIFIER_NODE_CHECK (NODE)->identifier.id.str)
    1235              : #define IDENTIFIER_HASH_VALUE(NODE) \
    1236              :   (IDENTIFIER_NODE_CHECK (NODE)->identifier.id.hash_value)
    1237              : 
    1238              : /* Translate a hash table identifier pointer to a tree_identifier
    1239              :    pointer, and vice versa.  */
    1240              : 
    1241              : #define HT_IDENT_TO_GCC_IDENT(NODE) \
    1242              :   ((tree) ((char *) (NODE) - sizeof (struct tree_common)))
    1243              : #define GCC_IDENT_TO_HT_IDENT(NODE) (&((struct tree_identifier *) (NODE))->id)
    1244              : 
    1245              : /* In a TREE_LIST node.  */
    1246              : #define TREE_PURPOSE(NODE) (TREE_LIST_CHECK (NODE)->list.purpose)
    1247              : #define TREE_VALUE(NODE) (TREE_LIST_CHECK (NODE)->list.value)
    1248              : 
    1249              : /* In TREE_VALUE of an attribute this means the attribute is never equal to
    1250              :    different attribute with the same name and value and that the attribute
    1251              :    is order sensitive, the order of attributes with this flag on their
    1252              :    TREE_VALUE should be preserved.  */
    1253              : #define ATTR_UNIQUE_VALUE_P(NODE) (TREE_LIST_CHECK (NODE)->base.protected_flag)
    1254              : 
    1255              : /* In a TREE_VEC node.  */
    1256              : #define TREE_VEC_LENGTH(NODE) (TREE_VEC_CHECK (NODE)->base.u.length)
    1257              : #define TREE_VEC_BEGIN(NODE) (&TREE_VEC_CHECK (NODE)->vec.a[0])
    1258              : #define TREE_VEC_END(NODE) \
    1259              :   ((void) TREE_VEC_CHECK (NODE), &((NODE)->vec.a[(NODE)->base.u.length]))
    1260              : 
    1261              : #define TREE_VEC_ELT(NODE,I) TREE_VEC_ELT_CHECK (NODE, I)
    1262              : 
    1263              : /* In a CONSTRUCTOR node.  */
    1264              : #define CONSTRUCTOR_ELTS(NODE) (CONSTRUCTOR_CHECK (NODE)->constructor.elts)
    1265              : #define CONSTRUCTOR_ELT(NODE,IDX) \
    1266              :   (&(*CONSTRUCTOR_ELTS (NODE))[IDX])
    1267              : #define CONSTRUCTOR_NELTS(NODE) \
    1268              :   (vec_safe_length (CONSTRUCTOR_ELTS (NODE)))
    1269              : #define CONSTRUCTOR_NO_CLEARING(NODE) \
    1270              :   (CONSTRUCTOR_CHECK (NODE)->base.public_flag)
    1271              : /* True if even padding bits should be zeroed during initialization.  */
    1272              : #define CONSTRUCTOR_ZERO_PADDING_BITS(NODE) \
    1273              :   (CONSTRUCTOR_CHECK (NODE)->base.default_def_flag)
    1274              : 
    1275              : /* Iterate through the vector V of CONSTRUCTOR_ELT elements, yielding the
    1276              :    value of each element (stored within VAL). IX must be a scratch variable
    1277              :    of unsigned integer type.  */
    1278              : #define FOR_EACH_CONSTRUCTOR_VALUE(V, IX, VAL) \
    1279              :   for (IX = 0; (IX >= vec_safe_length (V)) \
    1280              :                ? false \
    1281              :                : ((VAL = (*(V))[IX].value), \
    1282              :                true); \
    1283              :        (IX)++)
    1284              : 
    1285              : /* Iterate through the vector V of CONSTRUCTOR_ELT elements, yielding both
    1286              :    the value of each element (stored within VAL) and its index (stored
    1287              :    within INDEX). IX must be a scratch variable of unsigned integer type.  */
    1288              : #define FOR_EACH_CONSTRUCTOR_ELT(V, IX, INDEX, VAL) \
    1289              :   for (IX = 0; (IX >= vec_safe_length (V)) \
    1290              :                ? false \
    1291              :                : (((void) (VAL = (*V)[IX].value)), \
    1292              :                   (INDEX = (*V)[IX].index), \
    1293              :                   true); \
    1294              :        (IX)++)
    1295              : 
    1296              : /* Append a new constructor element to V, with the specified INDEX and VAL.  */
    1297              : #define CONSTRUCTOR_APPEND_ELT(V, INDEX, VALUE) \
    1298              :   do { \
    1299              :     constructor_elt _ce___ = {INDEX, VALUE}; \
    1300              :     vec_safe_push ((V), _ce___); \
    1301              :   } while (0)
    1302              : 
    1303              : /* True if NODE, a FIELD_DECL, is to be processed as a bitfield for
    1304              :    constructor output purposes.  */
    1305              : #define CONSTRUCTOR_BITFIELD_P(NODE) \
    1306              :   (DECL_BIT_FIELD (FIELD_DECL_CHECK (NODE)) \
    1307              :    && (DECL_MODE (NODE) != BLKmode \
    1308              :        || TREE_CODE (TREE_TYPE (NODE)) == BITINT_TYPE))
    1309              : 
    1310              : /* True if NODE is a clobber right hand side, an expression of indeterminate
    1311              :    value that clobbers the LHS in a copy instruction.  We use a volatile
    1312              :    empty CONSTRUCTOR for this, as it matches most of the necessary semantic.
    1313              :    In particular the volatile flag causes us to not prematurely remove
    1314              :    such clobber instructions.  */
    1315              : #define TREE_CLOBBER_P(NODE) \
    1316              :   (TREE_CODE (NODE) == CONSTRUCTOR && TREE_THIS_VOLATILE (NODE))
    1317              : 
    1318              : /* Return the clobber_kind of a CLOBBER CONSTRUCTOR.  */
    1319              : #define CLOBBER_KIND(NODE) \
    1320              :   (CONSTRUCTOR_CHECK (NODE)->base.u.bits.address_space)
    1321              : 
    1322              : /* Define fields and accessors for some nodes that represent expressions.  */
    1323              : 
    1324              : /* Nonzero if NODE is an empty statement (NOP_EXPR <0>).  */
    1325              : #define IS_EMPTY_STMT(NODE)     (TREE_CODE (NODE) == NOP_EXPR \
    1326              :                                  && VOID_TYPE_P (TREE_TYPE (NODE)) \
    1327              :                                  && integer_zerop (TREE_OPERAND (NODE, 0)))
    1328              : 
    1329              : /* In ordinary expression nodes.  */
    1330              : #define TREE_OPERAND_LENGTH(NODE) tree_operand_length (NODE)
    1331              : #define TREE_OPERAND(NODE, I) TREE_OPERAND_CHECK (NODE, I)
    1332              : 
    1333              : /* In a tcc_vl_exp node, operand 0 is an INT_CST node holding the operand
    1334              :    length.  Its value includes the length operand itself; that is,
    1335              :    the minimum valid length is 1.
    1336              :    Note that we have to bypass the use of TREE_OPERAND to access
    1337              :    that field to avoid infinite recursion in expanding the macros.  */
    1338              : #define VL_EXP_OPERAND_LENGTH(NODE) \
    1339              :   ((int)TREE_INT_CST_LOW (VL_EXP_CHECK (NODE)->exp.operands[0]))
    1340              : 
    1341              : /* Nonzero if gimple_debug_nonbind_marker_p() may possibly hold.  */
    1342              : #define MAY_HAVE_DEBUG_MARKER_STMTS debug_nonbind_markers_p
    1343              : /* Nonzero if gimple_debug_bind_p() (and thus
    1344              :    gimple_debug_source_bind_p()) may possibly hold.  */
    1345              : #define MAY_HAVE_DEBUG_BIND_STMTS flag_var_tracking_assignments
    1346              : /* Nonzero if is_gimple_debug() may possibly hold.  */
    1347              : #define MAY_HAVE_DEBUG_STMTS                                    \
    1348              :   (MAY_HAVE_DEBUG_MARKER_STMTS || MAY_HAVE_DEBUG_BIND_STMTS)
    1349              : 
    1350              : /* In a LOOP_EXPR node.  */
    1351              : #define LOOP_EXPR_BODY(NODE) TREE_OPERAND_CHECK_CODE (NODE, LOOP_EXPR, 0)
    1352              : 
    1353              : /* The source location of this expression.  Non-tree_exp nodes such as
    1354              :    decls and constants can be shared among multiple locations, so
    1355              :    return nothing.  */
    1356              : #define EXPR_LOCATION(NODE) \
    1357              :   (CAN_HAVE_LOCATION_P ((NODE)) ? (NODE)->exp.locus : UNKNOWN_LOCATION)
    1358              : #define SET_EXPR_LOCATION(NODE, LOCUS) EXPR_CHECK ((NODE))->exp.locus = (LOCUS)
    1359              : #define EXPR_HAS_LOCATION(NODE) (LOCATION_LOCUS (EXPR_LOCATION (NODE))  \
    1360              :   != UNKNOWN_LOCATION)
    1361              : /* The location to be used in a diagnostic about this expression.  Do not
    1362              :    use this macro if the location will be assigned to other expressions.  */
    1363              : #define EXPR_LOC_OR_LOC(NODE, LOCUS) (EXPR_HAS_LOCATION (NODE) \
    1364              :                                       ? (NODE)->exp.locus : (LOCUS))
    1365              : #define EXPR_FILENAME(NODE) LOCATION_FILE (EXPR_CHECK ((NODE))->exp.locus)
    1366              : #define EXPR_LINENO(NODE) LOCATION_LINE (EXPR_CHECK (NODE)->exp.locus)
    1367              : 
    1368              : #define CAN_HAVE_RANGE_P(NODE) (CAN_HAVE_LOCATION_P (NODE))
    1369              : #define EXPR_LOCATION_RANGE(NODE) (get_expr_source_range (EXPR_CHECK ((NODE))))
    1370              : 
    1371              : #define EXPR_HAS_RANGE(NODE) \
    1372              :     (CAN_HAVE_RANGE_P (NODE) \
    1373              :      ? EXPR_LOCATION_RANGE (NODE).m_start != UNKNOWN_LOCATION \
    1374              :      : false)
    1375              : 
    1376              : /* True if a tree is an expression or statement that can have a
    1377              :    location.  */
    1378              : #define CAN_HAVE_LOCATION_P(NODE) ((NODE) && EXPR_P (NODE))
    1379              : 
    1380              : inline source_range
    1381    256611128 : get_expr_source_range (tree expr)
    1382              : {
    1383    256611128 :   location_t loc = EXPR_LOCATION (expr);
    1384    256611128 :   return get_range_from_loc (line_table, loc);
    1385              : }
    1386              : 
    1387              : extern void protected_set_expr_location (tree, location_t);
    1388              : extern void protected_set_expr_location_if_unset (tree, location_t);
    1389              : ATTRIBUTE_WARN_UNUSED_RESULT
    1390              : extern tree protected_set_expr_location_unshare (tree, location_t);
    1391              : 
    1392              : WARN_UNUSED_RESULT extern tree maybe_wrap_with_location (tree, location_t);
    1393              : 
    1394              : extern int suppress_location_wrappers;
    1395              : 
    1396              : /* A class for suppressing the creation of location wrappers.
    1397              :    Location wrappers will not be created during the lifetime
    1398              :    of an instance of this class.  */
    1399              : 
    1400              : class auto_suppress_location_wrappers
    1401              : {
    1402              :  public:
    1403   1316529442 :   auto_suppress_location_wrappers () { ++suppress_location_wrappers; }
    1404        25940 :   ~auto_suppress_location_wrappers () { --suppress_location_wrappers; }
    1405              : };
    1406              : 
    1407              : /* In a TARGET_EXPR node.  */
    1408              : #define TARGET_EXPR_SLOT(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 0)
    1409              : #define TARGET_EXPR_INITIAL(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 1)
    1410              : #define TARGET_EXPR_CLEANUP(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 2)
    1411              : /* Don't elide the initialization of TARGET_EXPR_SLOT for this TARGET_EXPR
    1412              :    on rhs of MODIFY_EXPR.  */
    1413              : #define TARGET_EXPR_NO_ELIDE(NODE) (TARGET_EXPR_CHECK (NODE)->base.private_flag)
    1414              : 
    1415              : /* DECL_EXPR accessor. This gives access to the DECL associated with
    1416              :    the given declaration statement.  */
    1417              : #define DECL_EXPR_DECL(NODE)    TREE_OPERAND (DECL_EXPR_CHECK (NODE), 0)
    1418              : 
    1419              : #define EXIT_EXPR_COND(NODE)         TREE_OPERAND (EXIT_EXPR_CHECK (NODE), 0)
    1420              : 
    1421              : /* COMPOUND_LITERAL_EXPR accessors.  */
    1422              : #define COMPOUND_LITERAL_EXPR_DECL_EXPR(NODE)           \
    1423              :   TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0)
    1424              : #define COMPOUND_LITERAL_EXPR_DECL(NODE)                        \
    1425              :   DECL_EXPR_DECL (COMPOUND_LITERAL_EXPR_DECL_EXPR (NODE))
    1426              : 
    1427              : /* SWITCH_EXPR accessors. These give access to the condition and body.  */
    1428              : #define SWITCH_COND(NODE)       TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 0)
    1429              : #define SWITCH_BODY(NODE)       TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 1)
    1430              : /* True if there are case labels for all possible values of SWITCH_COND, either
    1431              :    because there is a default: case label or because the case label ranges cover
    1432              :    all values.  */
    1433              : #define SWITCH_ALL_CASES_P(NODE) (SWITCH_EXPR_CHECK (NODE)->base.private_flag)
    1434              : 
    1435              : /* CASE_LABEL_EXPR accessors. These give access to the high and low values
    1436              :    of a case label, respectively.  */
    1437              : #define CASE_LOW(NODE)                  TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 0)
    1438              : #define CASE_HIGH(NODE)                 TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 1)
    1439              : #define CASE_LABEL(NODE)                TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 2)
    1440              : #define CASE_CHAIN(NODE)                TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 3)
    1441              : 
    1442              : /* The operands of a TARGET_MEM_REF.  Operands 0 and 1 have to match
    1443              :    corresponding MEM_REF operands.  */
    1444              : #define TMR_BASE(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 0))
    1445              : #define TMR_OFFSET(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 1))
    1446              : #define TMR_INDEX(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 2))
    1447              : #define TMR_STEP(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 3))
    1448              : #define TMR_INDEX2(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 4))
    1449              : 
    1450              : #define MR_DEPENDENCE_CLIQUE(NODE) \
    1451              :   (TREE_CHECK2 (NODE, MEM_REF, TARGET_MEM_REF)->base.u.dependence_info.clique)
    1452              : #define MR_DEPENDENCE_BASE(NODE) \
    1453              :   (TREE_CHECK2 (NODE, MEM_REF, TARGET_MEM_REF)->base.u.dependence_info.base)
    1454              : 
    1455              : /* The operands of a BIND_EXPR.  */
    1456              : #define BIND_EXPR_VARS(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 0))
    1457              : #define BIND_EXPR_BODY(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 1))
    1458              : #define BIND_EXPR_BLOCK(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 2))
    1459              : 
    1460              : /* GOTO_EXPR accessor. This gives access to the label associated with
    1461              :    a goto statement.  */
    1462              : #define GOTO_DESTINATION(NODE)  TREE_OPERAND (GOTO_EXPR_CHECK (NODE), 0)
    1463              : 
    1464              : /* ASM_EXPR accessors. ASM_STRING returns a STRING_CST for the
    1465              :    instruction (e.g., "mov x, y"). ASM_OUTPUTS, ASM_INPUTS, and
    1466              :    ASM_CLOBBERS represent the outputs, inputs, and clobbers for the
    1467              :    statement.  */
    1468              : #define ASM_STRING(NODE)        TREE_OPERAND (ASM_EXPR_CHECK (NODE), 0)
    1469              : #define ASM_OUTPUTS(NODE)       TREE_OPERAND (ASM_EXPR_CHECK (NODE), 1)
    1470              : #define ASM_INPUTS(NODE)        TREE_OPERAND (ASM_EXPR_CHECK (NODE), 2)
    1471              : #define ASM_CLOBBERS(NODE)      TREE_OPERAND (ASM_EXPR_CHECK (NODE), 3)
    1472              : #define ASM_LABELS(NODE)        TREE_OPERAND (ASM_EXPR_CHECK (NODE), 4)
    1473              : /* Nonzero if the asm is a basic asm, zero if it is an extended asm.
    1474              :    Basic asms use a plain ASM_INPUT insn pattern whereas extended asms
    1475              :    use an ASM_OPERANDS insn pattern.  */
    1476              : #define ASM_BASIC_P(NODE)       (ASM_EXPR_CHECK (NODE)->base.static_flag)
    1477              : #define ASM_VOLATILE_P(NODE)    (ASM_EXPR_CHECK (NODE)->base.public_flag)
    1478              : /* Nonzero if we want to consider this asm as minimum length and cost
    1479              :    for inlining decisions.  */
    1480              : #define ASM_INLINE_P(NODE)      (ASM_EXPR_CHECK (NODE)->base.protected_flag)
    1481              : 
    1482              : /* COND_EXPR accessors.  */
    1483              : #define COND_EXPR_COND(NODE)    (TREE_OPERAND (COND_EXPR_CHECK (NODE), 0))
    1484              : #define COND_EXPR_THEN(NODE)    (TREE_OPERAND (COND_EXPR_CHECK (NODE), 1))
    1485              : #define COND_EXPR_ELSE(NODE)    (TREE_OPERAND (COND_EXPR_CHECK (NODE), 2))
    1486              : 
    1487              : /* Accessors for the chains of recurrences.  */
    1488              : #define CHREC_LEFT(NODE)        TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 0)
    1489              : #define CHREC_RIGHT(NODE)       TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 1)
    1490              : #define CHREC_VARIABLE(NODE)    POLYNOMIAL_CHREC_CHECK (NODE)->base.u.chrec_var
    1491              : /* Nonzero if this chrec doesn't overflow (i.e., nonwrapping).  */
    1492              : #define CHREC_NOWRAP(NODE)      POLYNOMIAL_CHREC_CHECK (NODE)->base.nothrow_flag
    1493              : 
    1494              : /* LABEL_EXPR accessor. This gives access to the label associated with
    1495              :    the given label expression.  */
    1496              : #define LABEL_EXPR_LABEL(NODE)  TREE_OPERAND (LABEL_EXPR_CHECK (NODE), 0)
    1497              : 
    1498              : /* CATCH_EXPR accessors.  */
    1499              : #define CATCH_TYPES(NODE)       TREE_OPERAND (CATCH_EXPR_CHECK (NODE), 0)
    1500              : #define CATCH_BODY(NODE)        TREE_OPERAND (CATCH_EXPR_CHECK (NODE), 1)
    1501              : 
    1502              : /* EH_FILTER_EXPR accessors.  */
    1503              : #define EH_FILTER_TYPES(NODE)   TREE_OPERAND (EH_FILTER_EXPR_CHECK (NODE), 0)
    1504              : #define EH_FILTER_FAILURE(NODE) TREE_OPERAND (EH_FILTER_EXPR_CHECK (NODE), 1)
    1505              : 
    1506              : /* OBJ_TYPE_REF accessors.  */
    1507              : #define OBJ_TYPE_REF_EXPR(NODE)   TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 0)
    1508              : #define OBJ_TYPE_REF_OBJECT(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 1)
    1509              : #define OBJ_TYPE_REF_TOKEN(NODE)  TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 2)
    1510              : 
    1511              : /* CALL_EXPR accessors.  */
    1512              : #define CALL_EXPR_FN(NODE) TREE_OPERAND (CALL_EXPR_CHECK (NODE), 1)
    1513              : #define CALL_EXPR_STATIC_CHAIN(NODE) TREE_OPERAND (CALL_EXPR_CHECK (NODE), 2)
    1514              : #define CALL_EXPR_ARG(NODE, I) TREE_OPERAND (CALL_EXPR_CHECK (NODE), (I) + 3)
    1515              : #define call_expr_nargs(NODE) (VL_EXP_OPERAND_LENGTH (NODE) - 3)
    1516              : #define CALL_EXPR_IFN(NODE) (CALL_EXPR_CHECK (NODE)->base.u.ifn)
    1517              : 
    1518              : /* CALL_EXPR_ARGP returns a pointer to the argument vector for NODE.
    1519              :    We can't use &CALL_EXPR_ARG (NODE, 0) because that will complain if
    1520              :    the argument count is zero when checking is enabled.  Instead, do
    1521              :    the pointer arithmetic to advance past the 3 fixed operands in a
    1522              :    CALL_EXPR.  That produces a valid pointer to just past the end of the
    1523              :    operand array, even if it's not valid to dereference it.  */
    1524              : #define CALL_EXPR_ARGP(NODE) \
    1525              :   (&(TREE_OPERAND (CALL_EXPR_CHECK (NODE), 0)) + 3)
    1526              : 
    1527              : /* TM directives and accessors.  */
    1528              : #define TRANSACTION_EXPR_BODY(NODE) \
    1529              :   TREE_OPERAND (TRANSACTION_EXPR_CHECK (NODE), 0)
    1530              : #define TRANSACTION_EXPR_OUTER(NODE) \
    1531              :   (TRANSACTION_EXPR_CHECK (NODE)->base.static_flag)
    1532              : #define TRANSACTION_EXPR_RELAXED(NODE) \
    1533              :   (TRANSACTION_EXPR_CHECK (NODE)->base.public_flag)
    1534              : 
    1535              : /* OpenMP and OpenACC directive and clause accessors.  */
    1536              : 
    1537              : /* Generic accessors for OMP nodes that keep the body as operand 0, and clauses
    1538              :    as operand 1.  */
    1539              : #define OMP_BODY(NODE) \
    1540              :   TREE_OPERAND (TREE_RANGE_CHECK (NODE, OACC_PARALLEL, OMP_MASTER), 0)
    1541              : #define OMP_CLAUSES(NODE) \
    1542              :   TREE_OPERAND (TREE_RANGE_CHECK (NODE, OACC_PARALLEL, OMP_SCAN), 1)
    1543              : 
    1544              : /* Generic accessors for OMP nodes that keep clauses as operand 0.  */
    1545              : #define OMP_STANDALONE_CLAUSES(NODE) \
    1546              :   TREE_OPERAND (TREE_RANGE_CHECK (NODE, OACC_CACHE, OMP_TARGET_EXIT_DATA), 0)
    1547              : 
    1548              : #define OACC_DATA_BODY(NODE) \
    1549              :   TREE_OPERAND (OACC_DATA_CHECK (NODE), 0)
    1550              : #define OACC_DATA_CLAUSES(NODE) \
    1551              :   TREE_OPERAND (OACC_DATA_CHECK (NODE), 1)
    1552              : 
    1553              : #define OACC_HOST_DATA_BODY(NODE) \
    1554              :   TREE_OPERAND (OACC_HOST_DATA_CHECK (NODE), 0)
    1555              : #define OACC_HOST_DATA_CLAUSES(NODE) \
    1556              :   TREE_OPERAND (OACC_HOST_DATA_CHECK (NODE), 1)
    1557              : 
    1558              : #define OACC_CACHE_CLAUSES(NODE) \
    1559              :   TREE_OPERAND (OACC_CACHE_CHECK (NODE), 0)
    1560              : 
    1561              : #define OACC_DECLARE_CLAUSES(NODE) \
    1562              :   TREE_OPERAND (OACC_DECLARE_CHECK (NODE), 0)
    1563              : 
    1564              : #define OACC_ENTER_DATA_CLAUSES(NODE) \
    1565              :   TREE_OPERAND (OACC_ENTER_DATA_CHECK (NODE), 0)
    1566              : 
    1567              : #define OACC_EXIT_DATA_CLAUSES(NODE) \
    1568              :   TREE_OPERAND (OACC_EXIT_DATA_CHECK (NODE), 0)
    1569              : 
    1570              : #define OACC_UPDATE_CLAUSES(NODE) \
    1571              :   TREE_OPERAND (OACC_UPDATE_CHECK (NODE), 0)
    1572              : 
    1573              : #define OMP_PARALLEL_BODY(NODE)    TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 0)
    1574              : #define OMP_PARALLEL_CLAUSES(NODE) TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 1)
    1575              : 
    1576              : #define OMP_TASK_BODY(NODE)        TREE_OPERAND (OMP_TASK_CHECK (NODE), 0)
    1577              : #define OMP_TASK_CLAUSES(NODE)     TREE_OPERAND (OMP_TASK_CHECK (NODE), 1)
    1578              : 
    1579              : #define OMP_TASKREG_CHECK(NODE)   TREE_RANGE_CHECK (NODE, OMP_PARALLEL, OMP_TASK)
    1580              : #define OMP_TASKREG_BODY(NODE)    TREE_OPERAND (OMP_TASKREG_CHECK (NODE), 0)
    1581              : #define OMP_TASKREG_CLAUSES(NODE) TREE_OPERAND (OMP_TASKREG_CHECK (NODE), 1)
    1582              : 
    1583              : #define OMP_LOOPING_CHECK(NODE) TREE_RANGE_CHECK (NODE, OMP_FOR, OACC_LOOP)
    1584              : #define OMP_FOR_BODY(NODE)         TREE_OPERAND (OMP_LOOPING_CHECK (NODE), 0)
    1585              : #define OMP_FOR_CLAUSES(NODE)      TREE_OPERAND (OMP_LOOPING_CHECK (NODE), 1)
    1586              : #define OMP_FOR_INIT(NODE)         TREE_OPERAND (OMP_LOOPING_CHECK (NODE), 2)
    1587              : #define OMP_FOR_COND(NODE)         TREE_OPERAND (OMP_LOOPING_CHECK (NODE), 3)
    1588              : #define OMP_FOR_INCR(NODE)         TREE_OPERAND (OMP_LOOPING_CHECK (NODE), 4)
    1589              : #define OMP_FOR_PRE_BODY(NODE)     TREE_OPERAND (OMP_LOOPING_CHECK (NODE), 5)
    1590              : #define OMP_FOR_ORIG_DECLS(NODE)   TREE_OPERAND (OMP_LOOPING_CHECK (NODE), 6)
    1591              : 
    1592              : #define OMP_INTEROP_CLAUSES(NODE)\
    1593              :   TREE_OPERAND (OMP_INTEROP_CHECK (NODE), 0)
    1594              : 
    1595              : #define OMP_LOOPXFORM_CHECK(NODE) TREE_RANGE_CHECK (NODE, OMP_TILE, OMP_UNROLL)
    1596              : #define OMP_LOOPXFORM_LOWERED(NODE) \
    1597              :   (OMP_LOOPXFORM_CHECK (NODE)->base.public_flag)
    1598              : 
    1599              : #define OMP_SECTIONS_BODY(NODE)    TREE_OPERAND (OMP_SECTIONS_CHECK (NODE), 0)
    1600              : #define OMP_SECTIONS_CLAUSES(NODE) TREE_OPERAND (OMP_SECTIONS_CHECK (NODE), 1)
    1601              : 
    1602              : #define OMP_SECTION_BODY(NODE)     TREE_OPERAND (OMP_SECTION_CHECK (NODE), 0)
    1603              : 
    1604              : #define OMP_STRUCTURED_BLOCK_BODY(NODE) \
    1605              :   TREE_OPERAND (OMP_STRUCTURED_BLOCK_CHECK (NODE), 0)
    1606              : 
    1607              : #define OMP_SINGLE_BODY(NODE)      TREE_OPERAND (OMP_SINGLE_CHECK (NODE), 0)
    1608              : #define OMP_SINGLE_CLAUSES(NODE)   TREE_OPERAND (OMP_SINGLE_CHECK (NODE), 1)
    1609              : 
    1610              : #define OMP_SCOPE_BODY(NODE)       TREE_OPERAND (OMP_SCOPE_CHECK (NODE), 0)
    1611              : #define OMP_SCOPE_CLAUSES(NODE)    TREE_OPERAND (OMP_SCOPE_CHECK (NODE), 1)
    1612              : 
    1613              : #define OMP_MASTER_BODY(NODE)      TREE_OPERAND (OMP_MASTER_CHECK (NODE), 0)
    1614              : 
    1615              : #define OMP_MASKED_BODY(NODE)      TREE_OPERAND (OMP_MASKED_CHECK (NODE), 0)
    1616              : #define OMP_MASKED_CLAUSES(NODE)   TREE_OPERAND (OMP_MASKED_CHECK (NODE), 1)
    1617              : 
    1618              : #define OMP_TASKGROUP_BODY(NODE)   TREE_OPERAND (OMP_TASKGROUP_CHECK (NODE), 0)
    1619              : #define OMP_TASKGROUP_CLAUSES(NODE) \
    1620              :   TREE_OPERAND (OMP_TASKGROUP_CHECK (NODE), 1)
    1621              : 
    1622              : #define OMP_ORDERED_BODY(NODE)     TREE_OPERAND (OMP_ORDERED_CHECK (NODE), 0)
    1623              : #define OMP_ORDERED_CLAUSES(NODE)  TREE_OPERAND (OMP_ORDERED_CHECK (NODE), 1)
    1624              : 
    1625              : #define OMP_CRITICAL_BODY(NODE)    TREE_OPERAND (OMP_CRITICAL_CHECK (NODE), 0)
    1626              : #define OMP_CRITICAL_CLAUSES(NODE) TREE_OPERAND (OMP_CRITICAL_CHECK (NODE), 1)
    1627              : #define OMP_CRITICAL_NAME(NODE)    TREE_OPERAND (OMP_CRITICAL_CHECK (NODE), 2)
    1628              : 
    1629              : #define OMP_TEAMS_BODY(NODE)       TREE_OPERAND (OMP_TEAMS_CHECK (NODE), 0)
    1630              : #define OMP_TEAMS_CLAUSES(NODE)    TREE_OPERAND (OMP_TEAMS_CHECK (NODE), 1)
    1631              : 
    1632              : #define OMP_TARGET_DATA_BODY(NODE) \
    1633              :   TREE_OPERAND (OMP_TARGET_DATA_CHECK (NODE), 0)
    1634              : #define OMP_TARGET_DATA_CLAUSES(NODE)\
    1635              :   TREE_OPERAND (OMP_TARGET_DATA_CHECK (NODE), 1)
    1636              : 
    1637              : #define OMP_TARGET_BODY(NODE)      TREE_OPERAND (OMP_TARGET_CHECK (NODE), 0)
    1638              : #define OMP_TARGET_CLAUSES(NODE)   TREE_OPERAND (OMP_TARGET_CHECK (NODE), 1)
    1639              : 
    1640              : #define OMP_TARGET_UPDATE_CLAUSES(NODE)\
    1641              :   TREE_OPERAND (OMP_TARGET_UPDATE_CHECK (NODE), 0)
    1642              : 
    1643              : #define OMP_TARGET_ENTER_DATA_CLAUSES(NODE)\
    1644              :   TREE_OPERAND (OMP_TARGET_ENTER_DATA_CHECK (NODE), 0)
    1645              : 
    1646              : #define OMP_TARGET_EXIT_DATA_CLAUSES(NODE)\
    1647              :   TREE_OPERAND (OMP_TARGET_EXIT_DATA_CHECK (NODE), 0)
    1648              : 
    1649              : #define OMP_METADIRECTIVE_VARIANTS(NODE) \
    1650              :   TREE_OPERAND (OMP_METADIRECTIVE_CHECK (NODE), 0)
    1651              : 
    1652              : #define OMP_METADIRECTIVE_VARIANT_SELECTOR(v) \
    1653              :   TREE_PURPOSE (v)
    1654              : #define OMP_METADIRECTIVE_VARIANT_DIRECTIVE(v) \
    1655              :   TREE_PURPOSE (TREE_VALUE (v))
    1656              : #define OMP_METADIRECTIVE_VARIANT_BODY(v) \
    1657              :   TREE_VALUE (TREE_VALUE (v))
    1658              : 
    1659              : #define OMP_DECLARE_MAPPER_ID(NODE) \
    1660              :   TREE_OPERAND (OMP_DECLARE_MAPPER_CHECK (NODE), 0)
    1661              : #define OMP_DECLARE_MAPPER_DECL(NODE) \
    1662              :   TREE_OPERAND (OMP_DECLARE_MAPPER_CHECK (NODE), 1)
    1663              : #define OMP_DECLARE_MAPPER_CLAUSES(NODE) \
    1664              :   TREE_OPERAND (OMP_DECLARE_MAPPER_CHECK (NODE), 2)
    1665              : 
    1666              : #define OMP_SCAN_BODY(NODE)     TREE_OPERAND (OMP_SCAN_CHECK (NODE), 0)
    1667              : #define OMP_SCAN_CLAUSES(NODE)  TREE_OPERAND (OMP_SCAN_CHECK (NODE), 1)
    1668              : 
    1669              : #define OMP_DISPATCH_BODY(NODE) TREE_OPERAND (OMP_DISPATCH_CHECK (NODE), 0)
    1670              : #define OMP_DISPATCH_CLAUSES(NODE) TREE_OPERAND (OMP_DISPATCH_CHECK (NODE), 1)
    1671              : 
    1672              : #define OMP_CLAUSE_SIZE(NODE)                                           \
    1673              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (OMP_CLAUSE_CHECK (NODE),  \
    1674              :                                               OMP_CLAUSE_FROM,          \
    1675              :                                               OMP_CLAUSE__CACHE_), 1)
    1676              : 
    1677              : #define OMP_CLAUSE_CHAIN(NODE)     TREE_CHAIN (OMP_CLAUSE_CHECK (NODE))
    1678              : #define OMP_CLAUSE_DECL(NODE)                                           \
    1679              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (OMP_CLAUSE_CHECK (NODE),  \
    1680              :                                               OMP_CLAUSE_PRIVATE,       \
    1681              :                                               OMP_CLAUSE__SCANTEMP_), 0)
    1682              : #define OMP_CLAUSE_HAS_LOCATION(NODE) \
    1683              :   (LOCATION_LOCUS ((OMP_CLAUSE_CHECK (NODE))->omp_clause.locus)              \
    1684              :   != UNKNOWN_LOCATION)
    1685              : #define OMP_CLAUSE_LOCATION(NODE)  (OMP_CLAUSE_CHECK (NODE))->omp_clause.locus
    1686              : 
    1687              : #define OMP_CLAUSE_HAS_ITERATORS(NODE) \
    1688              :   ((OMP_CLAUSE_CODE (NODE) == OMP_CLAUSE_FROM                           \
    1689              :     || OMP_CLAUSE_CODE (NODE) == OMP_CLAUSE_TO                          \
    1690              :     || OMP_CLAUSE_CODE (NODE) == OMP_CLAUSE_MAP)                        \
    1691              :    && OMP_CLAUSE_ITERATORS (NODE))
    1692              : #define OMP_CLAUSE_ITERATORS(NODE) \
    1693              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (OMP_CLAUSE_CHECK (NODE),  \
    1694              :                                               OMP_CLAUSE_FROM,          \
    1695              :                                               OMP_CLAUSE_MAP), 2)
    1696              : 
    1697              : /* True on OMP_FOR and other OpenMP/OpenACC looping constructs if the loop nest
    1698              :    is non-rectangular.  */
    1699              : #define OMP_FOR_NON_RECTANGULAR(NODE) \
    1700              :   (OMP_LOOPING_CHECK (NODE)->base.private_flag)
    1701              : 
    1702              : /* True on an OMP_SECTION statement that was the last lexical member.
    1703              :    This status is meaningful in the implementation of lastprivate.  */
    1704              : #define OMP_SECTION_LAST(NODE) \
    1705              :   (OMP_SECTION_CHECK (NODE)->base.private_flag)
    1706              : 
    1707              : /* True on an OMP_PARALLEL statement if it represents an explicit
    1708              :    combined parallel work-sharing constructs.  */
    1709              : #define OMP_PARALLEL_COMBINED(NODE) \
    1710              :   (OMP_PARALLEL_CHECK (NODE)->base.private_flag)
    1711              : 
    1712              : /* True on an OMP_TEAMS statement if it represents an explicit
    1713              :    combined teams distribute constructs.  */
    1714              : #define OMP_TEAMS_COMBINED(NODE) \
    1715              :   (OMP_TEAMS_CHECK (NODE)->base.private_flag)
    1716              : 
    1717              : /* True on an OMP_TARGET statement if it represents explicit
    1718              :    combined target teams, target parallel or target simd constructs.  */
    1719              : #define OMP_TARGET_COMBINED(NODE) \
    1720              :   (OMP_TARGET_CHECK (NODE)->base.private_flag)
    1721              : 
    1722              : /* True on an OMP_MASTER statement if it represents an explicit
    1723              :    combined master constructs.  */
    1724              : #define OMP_MASTER_COMBINED(NODE) \
    1725              :   (OMP_MASTER_CHECK (NODE)->base.private_flag)
    1726              : 
    1727              : /* True on an OMP_MASKED statement if it represents an explicit
    1728              :    combined masked constructs.  */
    1729              : #define OMP_MASKED_COMBINED(NODE) \
    1730              :   (OMP_MASKED_CHECK (NODE)->base.private_flag)
    1731              : 
    1732              : /* Memory order for OMP_ATOMIC*.  */
    1733              : #define OMP_ATOMIC_MEMORY_ORDER(NODE) \
    1734              :   (TREE_RANGE_CHECK (NODE, OMP_ATOMIC, \
    1735              :                      OMP_ATOMIC_CAPTURE_NEW)->base.u.omp_atomic_memory_order)
    1736              : 
    1737              : /* Weak clause on OMP_ATOMIC*.  */
    1738              : #define OMP_ATOMIC_WEAK(NODE) \
    1739              :   (TREE_RANGE_CHECK (NODE, OMP_ATOMIC, \
    1740              :                      OMP_ATOMIC_CAPTURE_NEW)->base.public_flag)
    1741              : 
    1742              : /* True on a PRIVATE clause if its decl is kept around for debugging
    1743              :    information only and its DECL_VALUE_EXPR is supposed to point
    1744              :    to what it has been remapped to.  */
    1745              : #define OMP_CLAUSE_PRIVATE_DEBUG(NODE) \
    1746              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIVATE)->base.public_flag)
    1747              : 
    1748              : /* True on a PRIVATE clause if ctor needs access to outer region's
    1749              :    variable.  */
    1750              : #define OMP_CLAUSE_PRIVATE_OUTER_REF(NODE) \
    1751              :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIVATE))
    1752              : 
    1753              : /* True if a PRIVATE clause is for a C++ class IV on taskloop construct
    1754              :    (thus should be private on the outer taskloop and firstprivate on
    1755              :    task).  */
    1756              : #define OMP_CLAUSE_PRIVATE_TASKLOOP_IV(NODE) \
    1757              :   TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIVATE))
    1758              : 
    1759              : /* True on a FIRSTPRIVATE clause if it has been added implicitly.  */
    1760              : #define OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT(NODE) \
    1761              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_FIRSTPRIVATE)->base.public_flag)
    1762              : 
    1763              : /* True on a FIRSTPRIVATE clause if only the reference and not what it refers
    1764              :    to should be firstprivatized.  */
    1765              : #define OMP_CLAUSE_FIRSTPRIVATE_NO_REFERENCE(NODE) \
    1766              :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_FIRSTPRIVATE))
    1767              : 
    1768              : /* True on a FIRSTPRIVATE clause with OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT also
    1769              :    set if target construct is the only one that accepts the clause.  */
    1770              : #define OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT_TARGET(NODE) \
    1771              :   TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_FIRSTPRIVATE))
    1772              : 
    1773              : /* True on a LASTPRIVATE clause if a FIRSTPRIVATE clause for the same
    1774              :    decl is present in the chain.  */
    1775              : #define OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE(NODE) \
    1776              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LASTPRIVATE)->base.public_flag)
    1777              : #define OMP_CLAUSE_LASTPRIVATE_STMT(NODE) \
    1778              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE,                   \
    1779              :                                                 OMP_CLAUSE_LASTPRIVATE),\
    1780              :                       1)
    1781              : #define OMP_CLAUSE_LASTPRIVATE_GIMPLE_SEQ(NODE) \
    1782              :   (OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_init
    1783              : 
    1784              : /* True if a LASTPRIVATE clause is for a C++ class IV on taskloop or
    1785              :    loop construct (thus should be lastprivate on the outer taskloop and
    1786              :    firstprivate on task for the taskloop construct and carefully handled
    1787              :    for loop construct).  */
    1788              : #define OMP_CLAUSE_LASTPRIVATE_LOOP_IV(NODE) \
    1789              :   TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LASTPRIVATE))
    1790              : 
    1791              : /* True if a LASTPRIVATE clause has CONDITIONAL: modifier.  */
    1792              : #define OMP_CLAUSE_LASTPRIVATE_CONDITIONAL(NODE) \
    1793              :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LASTPRIVATE))
    1794              : 
    1795              : /* True on a SHARED clause if a FIRSTPRIVATE clause for the same
    1796              :    decl is present in the chain (this can happen only for taskloop
    1797              :    with FIRSTPRIVATE/LASTPRIVATE on it originally.  */
    1798              : #define OMP_CLAUSE_SHARED_FIRSTPRIVATE(NODE) \
    1799              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SHARED)->base.public_flag)
    1800              : 
    1801              : /* True on a SHARED clause if a scalar is not modified in the body and
    1802              :    thus could be optimized as firstprivate.  */
    1803              : #define OMP_CLAUSE_SHARED_READONLY(NODE) \
    1804              :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SHARED))
    1805              : 
    1806              : #define OMP_CLAUSE_IF_MODIFIER(NODE)    \
    1807              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_IF)->omp_clause.subcode.if_modifier)
    1808              : 
    1809              : #define OMP_CLAUSE_FINAL_EXPR(NODE) \
    1810              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_FINAL), 0)
    1811              : #define OMP_CLAUSE_IF_EXPR(NODE) \
    1812              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_IF), 0)
    1813              : #define OMP_CLAUSE_SELF_EXPR(NODE) \
    1814              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SELF), 0)
    1815              : #define OMP_CLAUSE_NUM_THREADS_EXPR(NODE) \
    1816              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_THREADS),0)
    1817              : #define OMP_CLAUSE_SCHEDULE_CHUNK_EXPR(NODE) \
    1818              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SCHEDULE), 0)
    1819              : #define OMP_CLAUSE_NUM_TASKS_EXPR(NODE) \
    1820              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_TASKS), 0)
    1821              : #define OMP_CLAUSE_HINT_EXPR(NODE) \
    1822              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_HINT), 0)
    1823              : #define OMP_CLAUSE_FILTER_EXPR(NODE) \
    1824              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_FILTER), 0)
    1825              : #define OMP_CLAUSE_PARTIAL_EXPR(NODE) \
    1826              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PARTIAL), 0)
    1827              : #define OMP_CLAUSE_SIZES_LIST(NODE) \
    1828              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SIZES), 0)
    1829              : #define OMP_CLAUSE_NOVARIANTS_EXPR(NODE)                                       \
    1830              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NOVARIANTS), 0)
    1831              : #define OMP_CLAUSE_NOCONTEXT_EXPR(NODE)                                        \
    1832              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NOCONTEXT), 0)
    1833              : 
    1834              : #define OMP_CLAUSE_GRAINSIZE_EXPR(NODE) \
    1835              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_GRAINSIZE),0)
    1836              : 
    1837              : #define OMP_CLAUSE_PRIORITY_EXPR(NODE) \
    1838              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIORITY),0)
    1839              : 
    1840              : #define OMP_CLAUSE_GRAINSIZE_STRICT(NODE) \
    1841              :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_GRAINSIZE))
    1842              : #define OMP_CLAUSE_NUM_TASKS_STRICT(NODE) \
    1843              :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_TASKS))
    1844              : 
    1845              : /* OpenACC clause expressions  */
    1846              : #define OMP_CLAUSE_EXPR(NODE, CLAUSE) \
    1847              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, CLAUSE), 0)
    1848              : #define OMP_CLAUSE_GANG_EXPR(NODE) \
    1849              :   OMP_CLAUSE_OPERAND ( \
    1850              :     OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_GANG), 0)
    1851              : #define OMP_CLAUSE_GANG_STATIC_EXPR(NODE) \
    1852              :   OMP_CLAUSE_OPERAND ( \
    1853              :     OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_GANG), 1)
    1854              : #define OMP_CLAUSE_ASYNC_EXPR(NODE) \
    1855              :   OMP_CLAUSE_OPERAND ( \
    1856              :     OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ASYNC), 0)
    1857              : #define OMP_CLAUSE_WAIT_EXPR(NODE) \
    1858              :   OMP_CLAUSE_OPERAND ( \
    1859              :     OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_WAIT), 0)
    1860              : #define OMP_CLAUSE_VECTOR_EXPR(NODE) \
    1861              :   OMP_CLAUSE_OPERAND ( \
    1862              :     OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_VECTOR), 0)
    1863              : #define OMP_CLAUSE_WORKER_EXPR(NODE) \
    1864              :   OMP_CLAUSE_OPERAND ( \
    1865              :     OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_WORKER), 0)
    1866              : #define OMP_CLAUSE_NUM_GANGS_EXPR(NODE) \
    1867              :   OMP_CLAUSE_OPERAND ( \
    1868              :     OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_GANGS), 0)
    1869              : #define OMP_CLAUSE_NUM_WORKERS_EXPR(NODE) \
    1870              :   OMP_CLAUSE_OPERAND ( \
    1871              :     OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_WORKERS), 0)
    1872              : #define OMP_CLAUSE_VECTOR_LENGTH_EXPR(NODE) \
    1873              :   OMP_CLAUSE_OPERAND ( \
    1874              :     OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_VECTOR_LENGTH), 0)
    1875              : 
    1876              : #define OMP_CLAUSE_DEPEND_KIND(NODE) \
    1877              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEPEND)->omp_clause.subcode.depend_kind)
    1878              : 
    1879              : #define OMP_CLAUSE_DOACROSS_KIND(NODE) \
    1880              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DOACROSS)->omp_clause.subcode.doacross_kind)
    1881              : 
    1882              : #define OMP_CLAUSE_DOACROSS_SINK_NEGATIVE(NODE) \
    1883              :   TREE_PUBLIC (TREE_LIST_CHECK (NODE))
    1884              : 
    1885              : /* True if DOACROSS clause is spelled as DEPEND.  */
    1886              : #define OMP_CLAUSE_DOACROSS_DEPEND(NODE) \
    1887              :   TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DOACROSS))
    1888              : 
    1889              : #define OMP_CLAUSE_MAP_KIND(NODE) \
    1890              :   ((enum gomp_map_kind) OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->omp_clause.subcode.map_kind)
    1891              : #define OMP_CLAUSE_SET_MAP_KIND(NODE, MAP_KIND) \
    1892              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->omp_clause.subcode.map_kind \
    1893              :    = (unsigned int) (MAP_KIND))
    1894              : 
    1895              : #define OMP_CLAUSE_MOTION_PRESENT(NODE) \
    1896              :   (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_FROM, OMP_CLAUSE_TO)->base.deprecated_flag)
    1897              : 
    1898              : #define OMP_CLAUSE_INIT_TARGET(NODE) \
    1899              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_INIT)->base.public_flag)
    1900              : #define OMP_CLAUSE_INIT_TARGETSYNC(NODE) \
    1901              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_INIT)->base.deprecated_flag)
    1902              : #define OMP_CLAUSE_INIT_PREFER_TYPE(NODE)                               \
    1903              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (OMP_CLAUSE_CHECK (NODE),  \
    1904              :                                               OMP_CLAUSE_INIT,          \
    1905              :                                               OMP_CLAUSE_INIT), 1)
    1906              : 
    1907              : /* Nonzero if this map clause is for array (rather than pointer) based array
    1908              :    section with zero bias.  Both the non-decl OMP_CLAUSE_MAP and corresponding
    1909              :    OMP_CLAUSE_MAP with GOMP_MAP_POINTER are marked with this flag.  */
    1910              : #define OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION(NODE) \
    1911              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->base.public_flag)
    1912              : /* Nonzero if this is a mapped array section, that might need special
    1913              :    treatment if OMP_CLAUSE_SIZE is zero.  */
    1914              : #define OMP_CLAUSE_MAP_MAYBE_ZERO_LENGTH_ARRAY_SECTION(NODE) \
    1915              :   TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP))
    1916              : /* Nonzero if this map clause is for an OpenACC compute construct's reduction
    1917              :    variable or OpenMP map clause mentioned also in in_reduction clause on the
    1918              :    same construct.  */
    1919              : #define OMP_CLAUSE_MAP_IN_REDUCTION(NODE) \
    1920              :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP))
    1921              : /* Nonzero on map clauses added implicitly for reduction clauses on combined
    1922              :    or composite constructs.  They shall be removed if there is an explicit
    1923              :    map clause.  */
    1924              : #define OMP_CLAUSE_MAP_IMPLICIT(NODE) \
    1925              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->base.default_def_flag)
    1926              : /* Nonzero if this map clause is to be indicated to the runtime as 'implicit',
    1927              :    due to being created through implicit data-mapping rules in the middle-end.
    1928              :    NOTE: this is different than OMP_CLAUSE_MAP_IMPLICIT.  */
    1929              : #define OMP_CLAUSE_MAP_RUNTIME_IMPLICIT_P(NODE) \
    1930              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->base.deprecated_flag)
    1931              : /* Nonzero for an attach/detach node whose decl was explicitly mapped on the
    1932              :    same directive.  */
    1933              : #define OMP_CLAUSE_ATTACHMENT_MAPPING_ERASED(NODE) \
    1934              :   TREE_STATIC (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP))
    1935              : /* Nonzero if this is a release/delete node which refers to a (Fortran) array
    1936              :    descriptor.  */
    1937              : #define OMP_CLAUSE_RELEASE_DESCRIPTOR(NODE) \
    1938              :   TREE_NOTHROW (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP))
    1939              : 
    1940              : /* Flag that 'OMP_CLAUSE_DECL (NODE)' is to be made addressable during OMP
    1941              :    lowering.  */
    1942              : #define OMP_CLAUSE_MAP_DECL_MAKE_ADDRESSABLE(NODE) \
    1943              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->base.addressable_flag)
    1944              : 
    1945              : /* Nonzero if OpenACC 'readonly' modifier set, used for 'copyin'.  */
    1946              : #define OMP_CLAUSE_MAP_READONLY(NODE) \
    1947              :   TREE_READONLY (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP))
    1948              : 
    1949              : /* Nonzero if the size (or bias) is not known by the front end and needs to be
    1950              :    adjusted in the middle end.  */
    1951              : #define OMP_CLAUSE_MAP_SIZE_NEEDS_ADJUSTMENT(NODE) \
    1952              :   TREE_CONSTANT (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP))
    1953              : 
    1954              : /* Nonzero on a map clause that is only used internally by the gimplifier and
    1955              :    can thus be removed at the end of the GIMPLE pass.  */
    1956              : #define OMP_CLAUSE_MAP_GIMPLE_ONLY(NODE) \
    1957              :   TREE_USED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP))
    1958              : 
    1959              : /* Same as above, for use in OpenACC cache directives.  */
    1960              : #define OMP_CLAUSE__CACHE__READONLY(NODE) \
    1961              :   TREE_READONLY (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE__CACHE_))
    1962              : 
    1963              : /* True on an OMP_CLAUSE_USE_DEVICE_PTR with an OpenACC 'if_present'
    1964              :    clause.  */
    1965              : #define OMP_CLAUSE_USE_DEVICE_PTR_IF_PRESENT(NODE) \
    1966              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_USE_DEVICE_PTR)->base.public_flag)
    1967              : 
    1968              : #define OMP_CLAUSE_PROC_BIND_KIND(NODE) \
    1969              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PROC_BIND)->omp_clause.subcode.proc_bind_kind)
    1970              : 
    1971              : #define OMP_CLAUSE_DEVICE_TYPE_KIND(NODE) \
    1972              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEVICE_TYPE)->omp_clause.subcode.device_type_kind)
    1973              : 
    1974              : #define OMP_CLAUSE_INDIRECT_EXPR(NODE) \
    1975              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_INDIRECT), 0)
    1976              : 
    1977              : 
    1978              : /* True if there is a device clause with a device-modifier 'ancestor'.  */
    1979              : #define OMP_CLAUSE_DEVICE_ANCESTOR(NODE) \
    1980              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEVICE)->base.public_flag)
    1981              : 
    1982              : #define OMP_CLAUSE_COLLAPSE_EXPR(NODE) \
    1983              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_COLLAPSE), 0)
    1984              : #define OMP_CLAUSE_COLLAPSE_ITERVAR(NODE) \
    1985              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_COLLAPSE), 1)
    1986              : #define OMP_CLAUSE_COLLAPSE_COUNT(NODE) \
    1987              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_COLLAPSE), 2)
    1988              : 
    1989              : #define OMP_CLAUSE_ORDERED_EXPR(NODE) \
    1990              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ORDERED), 0)
    1991              : 
    1992              : /* True on an OMP_CLAUSE_ORDERED if stand-alone ordered construct is nested
    1993              :    inside of work-sharing loop the clause is on.  */
    1994              : #define OMP_CLAUSE_ORDERED_DOACROSS(NODE) \
    1995              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ORDERED)->base.public_flag)
    1996              : 
    1997              : /* True for unconstrained modifier on order(concurrent) clause.  */
    1998              : #define OMP_CLAUSE_ORDER_UNCONSTRAINED(NODE) \
    1999              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ORDER)->base.public_flag)
    2000              : /* True for reproducible modifier on order(concurrent) clause.  */
    2001              : #define OMP_CLAUSE_ORDER_REPRODUCIBLE(NODE) \
    2002              :   TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ORDER))
    2003              : 
    2004              : #define OMP_CLAUSE_REDUCTION_CODE(NODE) \
    2005              :   (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_REDUCTION, \
    2006              :      OMP_CLAUSE_IN_REDUCTION)->omp_clause.subcode.reduction_code)
    2007              : #define OMP_CLAUSE_REDUCTION_INIT(NODE) \
    2008              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_REDUCTION, \
    2009              :                                               OMP_CLAUSE_IN_REDUCTION), 1)
    2010              : #define OMP_CLAUSE_REDUCTION_MERGE(NODE) \
    2011              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_REDUCTION, \
    2012              :                                               OMP_CLAUSE_IN_REDUCTION), 2)
    2013              : #define OMP_CLAUSE_REDUCTION_GIMPLE_INIT(NODE) \
    2014              :   (OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_init
    2015              : #define OMP_CLAUSE_REDUCTION_GIMPLE_MERGE(NODE) \
    2016              :   (OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_merge
    2017              : #define OMP_CLAUSE_REDUCTION_PLACEHOLDER(NODE) \
    2018              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_REDUCTION, \
    2019              :                                               OMP_CLAUSE_IN_REDUCTION), 3)
    2020              : #define OMP_CLAUSE_REDUCTION_DECL_PLACEHOLDER(NODE) \
    2021              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_REDUCTION, \
    2022              :                                               OMP_CLAUSE_IN_REDUCTION), 4)
    2023              : 
    2024              : /* True if a REDUCTION clause may reference the original list item (omp_orig)
    2025              :    in its OMP_CLAUSE_REDUCTION_{,GIMPLE_}INIT.  */
    2026              : #define OMP_CLAUSE_REDUCTION_OMP_ORIG_REF(NODE) \
    2027              :   (OMP_CLAUSE_RANGE_CHECK (NODE, OMP_CLAUSE_REDUCTION, \
    2028              :                            OMP_CLAUSE_IN_REDUCTION)->base.public_flag)
    2029              : 
    2030              : /* True if a REDUCTION clause has task reduction-modifier.  */
    2031              : #define OMP_CLAUSE_REDUCTION_TASK(NODE) \
    2032              :   TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION))
    2033              : 
    2034              : /* True if a REDUCTION clause has inscan reduction-modifier.  */
    2035              : #define OMP_CLAUSE_REDUCTION_INSCAN(NODE) \
    2036              :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION))
    2037              : 
    2038              : /* True if a LINEAR clause doesn't need copy in.  True for iterator vars which
    2039              :    are always initialized inside of the loop construct, false otherwise.  */
    2040              : #define OMP_CLAUSE_LINEAR_NO_COPYIN(NODE) \
    2041              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR)->base.public_flag)
    2042              : 
    2043              : /* True if a LINEAR clause doesn't need copy out.  True for iterator vars which
    2044              :    are declared inside of the simd construct.  */
    2045              : #define OMP_CLAUSE_LINEAR_NO_COPYOUT(NODE) \
    2046              :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR))
    2047              : 
    2048              : /* True if a LINEAR clause has a stride that is variable.  */
    2049              : #define OMP_CLAUSE_LINEAR_VARIABLE_STRIDE(NODE) \
    2050              :   TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR))
    2051              : 
    2052              : /* True for a LINEAR clause with old style modifier syntax
    2053              :    linear(modifier(list)) or linear(modifier(list):step).  */
    2054              : #define OMP_CLAUSE_LINEAR_OLD_LINEAR_MODIFIER(NODE) \
    2055              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR)->base.addressable_flag)
    2056              : 
    2057              : /* True if a LINEAR clause is for an array or allocatable variable that
    2058              :    needs special handling by the frontend.  */
    2059              : #define OMP_CLAUSE_LINEAR_ARRAY(NODE) \
    2060              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR)->base.deprecated_flag)
    2061              : 
    2062              : #define OMP_CLAUSE_LINEAR_STEP(NODE) \
    2063              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR), 1)
    2064              : 
    2065              : #define OMP_CLAUSE_LINEAR_STMT(NODE) \
    2066              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR), 2)
    2067              : 
    2068              : #define OMP_CLAUSE_LINEAR_GIMPLE_SEQ(NODE) \
    2069              :   (OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_init
    2070              : 
    2071              : #define OMP_CLAUSE_LINEAR_KIND(NODE) \
    2072              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR)->omp_clause.subcode.linear_kind)
    2073              : 
    2074              : #define OMP_CLAUSE_ALIGNED_ALIGNMENT(NODE) \
    2075              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ALIGNED), 1)
    2076              : 
    2077              : #define OMP_CLAUSE_ALLOCATE_ALLOCATOR(NODE) \
    2078              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ALLOCATE), 1)
    2079              : 
    2080              : #define OMP_CLAUSE_ALLOCATE_ALIGN(NODE) \
    2081              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ALLOCATE), 2)
    2082              : 
    2083              : /* True if an ALLOCATE clause was present on a combined or composite
    2084              :    construct and the code for splitting the clauses has already performed
    2085              :    checking if the listed variable has explicit privatization on the
    2086              :    construct.  */
    2087              : #define OMP_CLAUSE_ALLOCATE_COMBINED(NODE) \
    2088              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ALLOCATE)->base.public_flag)
    2089              : 
    2090              : #define OMP_CLAUSE_USES_ALLOCATORS_ALLOCATOR(NODE) \
    2091              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_USES_ALLOCATORS), 0)
    2092              : 
    2093              : #define OMP_CLAUSE_USES_ALLOCATORS_MEMSPACE(NODE) \
    2094              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_USES_ALLOCATORS), 1)
    2095              : 
    2096              : #define OMP_CLAUSE_USES_ALLOCATORS_TRAITS(NODE) \
    2097              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_USES_ALLOCATORS), 2)
    2098              : 
    2099              : #define OMP_CLAUSE_NUM_TEAMS_UPPER_EXPR(NODE) \
    2100              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_TEAMS), 0)
    2101              : 
    2102              : #define OMP_CLAUSE_NUM_TEAMS_LOWER_EXPR(NODE) \
    2103              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_TEAMS), 1)
    2104              : 
    2105              : #define OMP_CLAUSE_THREAD_LIMIT_EXPR(NODE) \
    2106              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, \
    2107              :                                                 OMP_CLAUSE_THREAD_LIMIT), 0)
    2108              : 
    2109              : #define OMP_CLAUSE_DEVICE_ID(NODE) \
    2110              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEVICE), 0)
    2111              : 
    2112              : #define OMP_CLAUSE_DIST_SCHEDULE_CHUNK_EXPR(NODE) \
    2113              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, \
    2114              :                                                 OMP_CLAUSE_DIST_SCHEDULE), 0)
    2115              : 
    2116              : #define OMP_CLAUSE_SAFELEN_EXPR(NODE) \
    2117              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SAFELEN), 0)
    2118              : 
    2119              : #define OMP_CLAUSE_SIMDLEN_EXPR(NODE) \
    2120              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SIMDLEN), 0)
    2121              : 
    2122              : #define OMP_CLAUSE__SIMDUID__DECL(NODE) \
    2123              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE__SIMDUID_), 0)
    2124              : 
    2125              : #define OMP_CLAUSE_SCHEDULE_KIND(NODE) \
    2126              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SCHEDULE)->omp_clause.subcode.schedule_kind)
    2127              : 
    2128              : /* True if a SCHEDULE clause has the simd modifier on it.  */
    2129              : #define OMP_CLAUSE_SCHEDULE_SIMD(NODE) \
    2130              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SCHEDULE)->base.public_flag)
    2131              : 
    2132              : #define OMP_CLAUSE_DEFAULT_KIND(NODE) \
    2133              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEFAULT)->omp_clause.subcode.default_kind)
    2134              : 
    2135              : #define OMP_CLAUSE_DEFAULTMAP_KIND(NODE) \
    2136              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEFAULTMAP)->omp_clause.subcode.defaultmap_kind)
    2137              : #define OMP_CLAUSE_DEFAULTMAP_CATEGORY(NODE) \
    2138              :   ((enum omp_clause_defaultmap_kind) \
    2139              :    (OMP_CLAUSE_DEFAULTMAP_KIND (NODE) & OMP_CLAUSE_DEFAULTMAP_CATEGORY_MASK))
    2140              : #define OMP_CLAUSE_DEFAULTMAP_BEHAVIOR(NODE) \
    2141              :   ((enum omp_clause_defaultmap_kind) \
    2142              :    (OMP_CLAUSE_DEFAULTMAP_KIND (NODE) & OMP_CLAUSE_DEFAULTMAP_MASK))
    2143              : #define OMP_CLAUSE_DEFAULTMAP_SET_KIND(NODE, BEHAVIOR, CATEGORY) \
    2144              :   (OMP_CLAUSE_DEFAULTMAP_KIND (NODE) \
    2145              :    = (enum omp_clause_defaultmap_kind) (CATEGORY | BEHAVIOR))
    2146              : 
    2147              : #define OMP_CLAUSE_BIND_KIND(NODE) \
    2148              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_BIND)->omp_clause.subcode.bind_kind)
    2149              : 
    2150              : #define OMP_CLAUSE_DYN_GROUPPRIVATE_EXPR(NODE)                                        \
    2151              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DYN_GROUPPRIVATE), 0)
    2152              : #define OMP_CLAUSE_DYN_GROUPPRIVATE_KIND(NODE) \
    2153              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DYN_GROUPPRIVATE)->omp_clause.subcode.fallback_kind)
    2154              : 
    2155              : /* True if ENTER clause is spelled as TO.  */
    2156              : #define OMP_CLAUSE_ENTER_TO(NODE) \
    2157              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ENTER)->base.public_flag)
    2158              : 
    2159              : #define OMP_CLAUSE_TILE_LIST(NODE) \
    2160              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_TILE), 0)
    2161              : #define OMP_CLAUSE_TILE_ITERVAR(NODE) \
    2162              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_TILE), 1)
    2163              : #define OMP_CLAUSE_TILE_COUNT(NODE) \
    2164              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_TILE), 2)
    2165              : 
    2166              : /* _CONDTEMP_ holding temporary with iteration count.  */
    2167              : #define OMP_CLAUSE__CONDTEMP__ITER(NODE) \
    2168              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE__CONDTEMP_)->base.public_flag)
    2169              : 
    2170              : /* _SCANTEMP_ holding temporary with pointer to thread's local array;
    2171              :    allocation.  */
    2172              : #define OMP_CLAUSE__SCANTEMP__ALLOC(NODE) \
    2173              :   (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE__SCANTEMP_)->base.public_flag)
    2174              : 
    2175              : /* _SCANTEMP_ holding temporary with a control variable for deallocation;
    2176              :    one boolean_type_node for test whether alloca was used, another one
    2177              :    to pass to __builtin_stack_restore or free.  */
    2178              : #define OMP_CLAUSE__SCANTEMP__CONTROL(NODE) \
    2179              :   TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE__SCANTEMP_))
    2180              : 
    2181              : /* OpenMP OMP_NEXT_VARIANT accessors.  */
    2182              : #define OMP_NEXT_VARIANT_INDEX(NODE)                    \
    2183              :   TREE_OPERAND (OMP_NEXT_VARIANT_CHECK (NODE), 0)
    2184              : #define OMP_NEXT_VARIANT_STATE(NODE)                    \
    2185              :   TREE_OPERAND (OMP_NEXT_VARIANT_CHECK (NODE), 1)
    2186              : 
    2187              : /* OpenMP OMP_TARGET_DEVICE_MATCHES accessors.  */
    2188              : #define OMP_TARGET_DEVICE_MATCHES_SELECTOR(NODE)        \
    2189              :   TREE_OPERAND (OMP_TARGET_DEVICE_MATCHES_CHECK (NODE), 0)
    2190              : #define OMP_TARGET_DEVICE_MATCHES_PROPERTIES(NODE)      \
    2191              :   TREE_OPERAND (OMP_TARGET_DEVICE_MATCHES_CHECK (NODE), 1)
    2192              : 
    2193              : #define OMP_CLAUSE__MAPPER_BINDING__ID(NODE) \
    2194              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, \
    2195              :                         OMP_CLAUSE__MAPPER_BINDING_), 0)
    2196              : 
    2197              : #define OMP_CLAUSE__MAPPER_BINDING__DECL(NODE) \
    2198              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, \
    2199              :                         OMP_CLAUSE__MAPPER_BINDING_), 1)
    2200              : 
    2201              : #define OMP_CLAUSE__MAPPER_BINDING__MAPPER(NODE) \
    2202              :   OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, \
    2203              :                         OMP_CLAUSE__MAPPER_BINDING_), 2)
    2204              : 
    2205              : /* SSA_NAME accessors.  */
    2206              : 
    2207              : /* Whether SSA_NAME NODE is a virtual operand.  This simply caches the
    2208              :    information in the underlying SSA_NAME_VAR for efficiency.  */
    2209              : #define SSA_NAME_IS_VIRTUAL_OPERAND(NODE) \
    2210              :   SSA_NAME_CHECK (NODE)->base.public_flag
    2211              : 
    2212              : /* Returns the IDENTIFIER_NODE giving the SSA name a name or NULL_TREE
    2213              :    if there is no name associated with it.  */
    2214              : #define SSA_NAME_IDENTIFIER(NODE)                               \
    2215              :   (SSA_NAME_CHECK (NODE)->ssa_name.var != NULL_TREE          \
    2216              :    ? (TREE_CODE ((NODE)->ssa_name.var) == IDENTIFIER_NODE    \
    2217              :       ? (NODE)->ssa_name.var                                 \
    2218              :       : DECL_NAME ((NODE)->ssa_name.var))                    \
    2219              :    : NULL_TREE)
    2220              : 
    2221              : /* Returns the variable being referenced.  This can be NULL_TREE for
    2222              :    temporaries not associated with any user variable.
    2223              :    Once released, this is the only field that can be relied upon.  */
    2224              : #define SSA_NAME_VAR(NODE)                                      \
    2225              :   (SSA_NAME_CHECK (NODE)->ssa_name.var == NULL_TREE          \
    2226              :    || TREE_CODE ((NODE)->ssa_name.var) == IDENTIFIER_NODE    \
    2227              :    ? NULL_TREE : (NODE)->ssa_name.var)
    2228              : 
    2229              : #define SET_SSA_NAME_VAR_OR_IDENTIFIER(NODE,VAR) \
    2230              :   do \
    2231              :     { \
    2232              :       tree var_ = (VAR); \
    2233              :       SSA_NAME_CHECK (NODE)->ssa_name.var = var_; \
    2234              :       SSA_NAME_IS_VIRTUAL_OPERAND (NODE) \
    2235              :         = (var_ \
    2236              :            && TREE_CODE (var_) == VAR_DECL \
    2237              :            && VAR_DECL_IS_VIRTUAL_OPERAND (var_)); \
    2238              :     } \
    2239              :   while (0)
    2240              : 
    2241              : /* Returns the statement which defines this SSA name.  */
    2242              : #define SSA_NAME_DEF_STMT(NODE) SSA_NAME_CHECK (NODE)->ssa_name.def_stmt
    2243              : 
    2244              : /* Returns the SSA version number of this SSA name.  Note that in
    2245              :    tree SSA, version numbers are not per variable and may be recycled.  */
    2246              : #define SSA_NAME_VERSION(NODE)  SSA_NAME_CHECK (NODE)->base.u.version
    2247              : 
    2248              : /* Nonzero if this SSA name occurs in an abnormal PHI.  SSA_NAMES are
    2249              :    never output, so we can safely use the ASM_WRITTEN_FLAG for this
    2250              :    status bit.  */
    2251              : #define SSA_NAME_OCCURS_IN_ABNORMAL_PHI(NODE) \
    2252              :     SSA_NAME_CHECK (NODE)->base.asm_written_flag
    2253              : 
    2254              : /* Nonzero if this SSA_NAME expression is currently on the free list of
    2255              :    SSA_NAMES.  Using NOTHROW_FLAG seems reasonably safe since throwing
    2256              :    has no meaning for an SSA_NAME.  */
    2257              : #define SSA_NAME_IN_FREE_LIST(NODE) \
    2258              :     SSA_NAME_CHECK (NODE)->base.nothrow_flag
    2259              : 
    2260              : /* Nonzero if this SSA_NAME is the default definition for the
    2261              :    underlying symbol.  A default SSA name is created for symbol S if
    2262              :    the very first reference to S in the function is a read operation.
    2263              :    Default definitions are always created by an empty statement and
    2264              :    belong to no basic block.  */
    2265              : #define SSA_NAME_IS_DEFAULT_DEF(NODE) \
    2266              :     SSA_NAME_CHECK (NODE)->base.default_def_flag
    2267              : 
    2268              : /* Nonzero if this SSA_NAME is known to point to memory that may not
    2269              :    be written to.  This is set for default defs of function parameters
    2270              :    that have a corresponding r or R specification in the functions
    2271              :    fn spec attribute.  This is used by alias analysis.  */
    2272              : #define SSA_NAME_POINTS_TO_READONLY_MEMORY(NODE) \
    2273              :     SSA_NAME_CHECK (NODE)->base.deprecated_flag
    2274              : 
    2275              : /* Attributes for SSA_NAMEs for pointer-type variables.  */
    2276              : #define SSA_NAME_PTR_INFO(N) \
    2277              :    SSA_NAME_CHECK (N)->ssa_name.info.ptr_info
    2278              : 
    2279              : /* Value range info attributes for SSA_NAMEs of non pointer-type variables.  */
    2280              : #define SSA_NAME_RANGE_INFO(N) \
    2281              :     SSA_NAME_CHECK (N)->ssa_name.info.range_info
    2282              : 
    2283              : /* Return the immediate_use information for an SSA_NAME. */
    2284              : #define SSA_NAME_IMM_USE_NODE(NODE) SSA_NAME_CHECK (NODE)->ssa_name.imm_uses
    2285              : 
    2286              : #define OMP_CLAUSE_CODE(NODE)                                   \
    2287              :         (OMP_CLAUSE_CHECK (NODE))->omp_clause.code
    2288              : 
    2289              : #define OMP_CLAUSE_SET_CODE(NODE, CODE)                         \
    2290              :         ((OMP_CLAUSE_CHECK (NODE))->omp_clause.code = (CODE))
    2291              : 
    2292              : #define OMP_CLAUSE_OPERAND(NODE, I)                             \
    2293              :         OMP_CLAUSE_ELT_CHECK (NODE, I)
    2294              : 
    2295              : /* True if the clause decl NODE contains an OpenMP iterator.  */
    2296              : #define OMP_ITERATOR_DECL_P(NODE) \
    2297              :         (TREE_CODE (NODE) == TREE_LIST                          \
    2298              :          && TREE_PURPOSE (NODE)                                 \
    2299              :          && TREE_CODE (TREE_PURPOSE (NODE)) == TREE_VEC)
    2300              : 
    2301              : /* In a BLOCK (scope) node:
    2302              :    Variables declared in the scope NODE.  */
    2303              : #define BLOCK_VARS(NODE) (BLOCK_CHECK (NODE)->block.vars)
    2304              : #define BLOCK_NONLOCALIZED_VARS(NODE) \
    2305              :   (BLOCK_CHECK (NODE)->block.nonlocalized_vars)
    2306              : #define BLOCK_NUM_NONLOCALIZED_VARS(NODE) \
    2307              :   vec_safe_length (BLOCK_NONLOCALIZED_VARS (NODE))
    2308              : #define BLOCK_NONLOCALIZED_VAR(NODE,N) (*BLOCK_NONLOCALIZED_VARS (NODE))[N]
    2309              : /* A chain of BLOCKs (scopes) nested within the scope NODE.  */
    2310              : #define BLOCK_SUBBLOCKS(NODE) (BLOCK_CHECK (NODE)->block.subblocks)
    2311              : /* The scope enclosing the scope NODE, or FUNCTION_DECL for the "outermost"
    2312              :    function scope.  Inlined functions are chained by this so that given
    2313              :    expression E and its TREE_BLOCK(E) B, BLOCK_SUPERCONTEXT(B) is the scope
    2314              :    in which E has been made or into which E has been inlined.   */
    2315              : #define BLOCK_SUPERCONTEXT(NODE) (BLOCK_CHECK (NODE)->block.supercontext)
    2316              : /* Points to the next scope at the same level of nesting as scope NODE.  */
    2317              : #define BLOCK_CHAIN(NODE) (BLOCK_CHECK (NODE)->block.chain)
    2318              : /* A BLOCK, or FUNCTION_DECL of the function from which a block has been
    2319              :    inlined.  In a scope immediately enclosing an inlined leaf expression,
    2320              :    points to the outermost scope into which it has been inlined (thus
    2321              :    bypassing all intermediate BLOCK_SUPERCONTEXTs). */
    2322              : #define BLOCK_ABSTRACT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.abstract_origin)
    2323              : #define BLOCK_ORIGIN(NODE) \
    2324              :   (BLOCK_ABSTRACT_ORIGIN(NODE) ? BLOCK_ABSTRACT_ORIGIN(NODE) : (NODE))
    2325              : #define BLOCK_DIE(NODE) (BLOCK_CHECK (NODE)->block.die)
    2326              : 
    2327              : /* True if BLOCK has the same ranges as its BLOCK_SUPERCONTEXT.  */
    2328              : #define BLOCK_SAME_RANGE(NODE) (BLOCK_CHECK (NODE)->base.u.bits.nameless_flag)
    2329              : 
    2330              : /* True if BLOCK appears in cold section.  */
    2331              : #define BLOCK_IN_COLD_SECTION_P(NODE) \
    2332              :   (BLOCK_CHECK (NODE)->base.u.bits.atomic_flag)
    2333              : 
    2334              : /* An index number for this block.  These values are not guaranteed to
    2335              :    be unique across functions -- whether or not they are depends on
    2336              :    the debugging output format in use.  */
    2337              : #define BLOCK_NUMBER(NODE) (BLOCK_CHECK (NODE)->block.block_num)
    2338              : 
    2339              : /* If block reordering splits a lexical block into discontiguous
    2340              :    address ranges, we'll make a copy of the original block.
    2341              : 
    2342              :    Note that this is logically distinct from BLOCK_ABSTRACT_ORIGIN.
    2343              :    In that case, we have one source block that has been replicated
    2344              :    (through inlining or unrolling) into many logical blocks, and that
    2345              :    these logical blocks have different physical variables in them.
    2346              : 
    2347              :    In this case, we have one logical block split into several
    2348              :    non-contiguous address ranges.  Most debug formats can't actually
    2349              :    represent this idea directly, so we fake it by creating multiple
    2350              :    logical blocks with the same variables in them.  However, for those
    2351              :    that do support non-contiguous regions, these allow the original
    2352              :    logical block to be reconstructed, along with the set of address
    2353              :    ranges.
    2354              : 
    2355              :    One of the logical block fragments is arbitrarily chosen to be
    2356              :    the ORIGIN.  The other fragments will point to the origin via
    2357              :    BLOCK_FRAGMENT_ORIGIN; the origin itself will have this pointer
    2358              :    be null.  The list of fragments will be chained through
    2359              :    BLOCK_FRAGMENT_CHAIN from the origin.  */
    2360              : 
    2361              : #define BLOCK_FRAGMENT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.fragment_origin)
    2362              : #define BLOCK_FRAGMENT_CHAIN(NODE) (BLOCK_CHECK (NODE)->block.fragment_chain)
    2363              : 
    2364              : /* For an inlined function, this gives the location where it was called
    2365              :    from.  This is only set in the top level block, which corresponds to the
    2366              :    inlined function scope.  This is used in the debug output routines.  */
    2367              : 
    2368              : #define BLOCK_SOURCE_LOCATION(NODE) (BLOCK_CHECK (NODE)->block.locus)
    2369              : 
    2370              : /* This gives the location of the end of the block, useful to attach
    2371              :    code implicitly generated for outgoing paths.  */
    2372              : 
    2373              : #define BLOCK_SOURCE_END_LOCATION(NODE) (BLOCK_CHECK (NODE)->block.end_locus)
    2374              : 
    2375              : /* Define fields and accessors for nodes representing data types.  */
    2376              : 
    2377              : /* See tree.def for documentation of the use of these fields.
    2378              :    Look at the documentation of the various ..._TYPE tree codes.
    2379              : 
    2380              :    Note that the type.values, type.minval, and type.maxval fields are
    2381              :    overloaded and used for different macros in different kinds of types.
    2382              :    Each macro must check to ensure the tree node is of the proper kind of
    2383              :    type.  Note also that some of the front-ends also overload these fields,
    2384              :    so they must be checked as well.  */
    2385              : 
    2386              : #define TYPE_UID(NODE) (TYPE_CHECK (NODE)->type_common.uid)
    2387              : /* Type size in bits as a tree expression.  Need not be constant and may
    2388              :    be greater than TYPE_SIZE for a C++ FIELD_DECL representing a base
    2389              :    class subobject with its own virtual base classes (which are laid out
    2390              :    separately).  */
    2391              : #define TYPE_SIZE(NODE) (TYPE_CHECK (NODE)->type_common.size)
    2392              : /* Likewise, type size in bytes.  */
    2393              : #define TYPE_SIZE_UNIT(NODE) (TYPE_CHECK (NODE)->type_common.size_unit)
    2394              : #define TYPE_POINTER_TO(NODE) (TYPE_CHECK (NODE)->type_common.pointer_to)
    2395              : #define TYPE_REFERENCE_TO(NODE) (TYPE_CHECK (NODE)->type_common.reference_to)
    2396              : #define TYPE_PRECISION(NODE) \
    2397              :   (TREE_NOT_CHECK (TYPE_CHECK (NODE), VECTOR_TYPE)->type_common.precision)
    2398              : #define TYPE_PRECISION_RAW(NODE) (TYPE_CHECK (NODE)->type_common.precision)
    2399              : #define TYPE_NAME(NODE) (TYPE_CHECK (NODE)->type_common.name)
    2400              : #define TYPE_NEXT_VARIANT(NODE) (TYPE_CHECK (NODE)->type_common.next_variant)
    2401              : #define TYPE_MAIN_VARIANT(NODE) (TYPE_CHECK (NODE)->type_common.main_variant)
    2402              : #define TYPE_CONTEXT(NODE) (TYPE_CHECK (NODE)->type_common.context)
    2403              : 
    2404              : #define TYPE_MODE_RAW(NODE) (TYPE_CHECK (NODE)->type_common.mode)
    2405              : #define TYPE_MODE(NODE) \
    2406              :   (VECTOR_TYPE_P (TYPE_CHECK (NODE)) \
    2407              :    ? vector_type_mode (NODE) : (NODE)->type_common.mode)
    2408              : #define SCALAR_TYPE_MODE(NODE) \
    2409              :   (as_a <scalar_mode> (TYPE_CHECK (NODE)->type_common.mode))
    2410              : #define SCALAR_INT_TYPE_MODE(NODE) \
    2411              :   (as_a <scalar_int_mode> (TYPE_CHECK (NODE)->type_common.mode))
    2412              : #define SCALAR_FLOAT_TYPE_MODE(NODE) \
    2413              :   (as_a <scalar_float_mode> (TYPE_CHECK (NODE)->type_common.mode))
    2414              : #define SET_TYPE_MODE(NODE, MODE) \
    2415              :   (TYPE_CHECK (NODE)->type_common.mode = (MODE))
    2416              : 
    2417              : extern unsigned int element_precision (const_tree);
    2418              : extern machine_mode element_mode (const_tree);
    2419              : extern machine_mode vector_type_mode (const_tree);
    2420              : extern unsigned int vector_element_bits (const_tree);
    2421              : extern tree vector_element_bits_tree (const_tree);
    2422              : 
    2423              : /* The "canonical" type for this type node, which is used by frontends to
    2424              :    compare the type for equality with another type.  If two types are
    2425              :    equal (based on the semantics of the language), then they will have
    2426              :    equivalent TYPE_CANONICAL entries.
    2427              : 
    2428              :    As a special case, if TYPE_CANONICAL is NULL_TREE, and thus
    2429              :    TYPE_STRUCTURAL_EQUALITY_P is true, then it cannot
    2430              :    be used for comparison against other types.  Instead, the type is
    2431              :    said to require structural equality checks, described in
    2432              :    TYPE_STRUCTURAL_EQUALITY_P.
    2433              : 
    2434              :    For unqualified aggregate and function types the middle-end relies on
    2435              :    TYPE_CANONICAL to tell whether two variables can be assigned
    2436              :    to each other without a conversion.  The middle-end also makes sure
    2437              :    to assign the same alias-sets to the type partition with equal
    2438              :    TYPE_CANONICAL of their unqualified variants.  */
    2439              : #define TYPE_CANONICAL(NODE) (TYPE_CHECK (NODE)->type_common.canonical)
    2440              : /* Indicates that the type node requires structural equality
    2441              :    checks.  The compiler will need to look at the composition of the
    2442              :    type to determine whether it is equal to another type, rather than
    2443              :    just comparing canonical type pointers.  For instance, we would need
    2444              :    to look at the return and parameter types of a FUNCTION_TYPE
    2445              :    node.  */
    2446              : #define TYPE_STRUCTURAL_EQUALITY_P(NODE) (TYPE_CANONICAL (NODE) == NULL_TREE)
    2447              : /* Sets the TYPE_CANONICAL field to NULL_TREE, indicating that the
    2448              :    type node requires structural equality.  */
    2449              : #define SET_TYPE_STRUCTURAL_EQUALITY(NODE) (TYPE_CANONICAL (NODE) = NULL_TREE)
    2450              : 
    2451              : #define TYPE_IBIT(NODE) (GET_MODE_IBIT (TYPE_MODE (NODE)))
    2452              : #define TYPE_FBIT(NODE) (GET_MODE_FBIT (TYPE_MODE (NODE)))
    2453              : 
    2454              : /* The (language-specific) typed-based alias set for this type.
    2455              :    Objects whose TYPE_ALIAS_SETs are different cannot alias each
    2456              :    other.  If the TYPE_ALIAS_SET is -1, no alias set has yet been
    2457              :    assigned to this type.  If the TYPE_ALIAS_SET is 0, objects of this
    2458              :    type can alias objects of any type.  */
    2459              : #define TYPE_ALIAS_SET(NODE) (TYPE_CHECK (NODE)->type_common.alias_set)
    2460              : 
    2461              : /* Nonzero iff the typed-based alias set for this type has been
    2462              :    calculated.  */
    2463              : #define TYPE_ALIAS_SET_KNOWN_P(NODE) \
    2464              :   (TYPE_CHECK (NODE)->type_common.alias_set != -1)
    2465              : 
    2466              : /* A TREE_LIST of IDENTIFIER nodes of the attributes that apply
    2467              :    to this type.  */
    2468              : #define TYPE_ATTRIBUTES(NODE) (TYPE_CHECK (NODE)->type_common.attributes)
    2469              : 
    2470              : /* Raw access to the alignment field.  */
    2471              : #define TYPE_ALIGN_RAW(NODE)                    \
    2472              :   (TYPE_CHECK (NODE)->type_common.align)
    2473              : 
    2474              : /* The alignment necessary for objects of this type.
    2475              :    The value is an int, measured in bits and must be a power of two.
    2476              :    We support also an "alignment" of zero.  */
    2477              : #define TYPE_ALIGN(NODE)                                        \
    2478              :   (TYPE_ALIGN_RAW (NODE)                                        \
    2479              :    ? ((unsigned)1) << (TYPE_ALIGN_RAW(NODE) - 1) : 0)
    2480              : 
    2481              : /* Specify that TYPE_ALIGN(NODE) is X.  */
    2482              : #define SET_TYPE_ALIGN(NODE, X) \
    2483              :     (TYPE_CHECK (NODE)->type_common.align = ffs_hwi (X))
    2484              : 
    2485              : /* 1 if the alignment for this type was requested by "aligned" attribute,
    2486              :    0 if it is the default for this type.  */
    2487              : #define TYPE_USER_ALIGN(NODE) (TYPE_CHECK (NODE)->base.u.bits.user_align)
    2488              : 
    2489              : /* The alignment for NODE, in bytes.  */
    2490              : #define TYPE_ALIGN_UNIT(NODE) (TYPE_ALIGN (NODE) / BITS_PER_UNIT)
    2491              : 
    2492              : /* The minimum alignment necessary for objects of this type without
    2493              :    warning.  The value is an int, measured in bits.  */
    2494              : #define TYPE_WARN_IF_NOT_ALIGN_RAW(NODE) \
    2495              :     (TYPE_CHECK (NODE)->type_common.warn_if_not_align)
    2496              : #define TYPE_WARN_IF_NOT_ALIGN(NODE) \
    2497              :     (TYPE_WARN_IF_NOT_ALIGN_RAW (NODE) \
    2498              :      ? ((unsigned)1) << (TYPE_WARN_IF_NOT_ALIGN_RAW (NODE) - 1) : 0)
    2499              : 
    2500              : /* Specify that TYPE_WARN_IF_NOT_ALIGN(NODE) is X.  */
    2501              : #define SET_TYPE_WARN_IF_NOT_ALIGN(NODE, X) \
    2502              :     (TYPE_WARN_IF_NOT_ALIGN_RAW (NODE) = ffs_hwi (X))
    2503              : 
    2504              : /* If your language allows you to declare types, and you want debug info
    2505              :    for them, then you need to generate corresponding TYPE_DECL nodes.
    2506              :    These "stub" TYPE_DECL nodes have no name, and simply point at the
    2507              :    type node.  You then set the TYPE_STUB_DECL field of the type node
    2508              :    to point back at the TYPE_DECL node.  This allows the debug routines
    2509              :    to know that the two nodes represent the same type, so that we only
    2510              :    get one debug info record for them.  */
    2511              : #define TYPE_STUB_DECL(NODE) (TREE_CHAIN (TYPE_CHECK (NODE)))
    2512              : 
    2513              : /* In a RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE or ARRAY_TYPE, it means
    2514              :    the type has BLKmode only because it lacks the alignment required for
    2515              :    its size.  */
    2516              : #define TYPE_NO_FORCE_BLK(NODE) \
    2517              :   (TYPE_CHECK (NODE)->type_common.no_force_blk_flag)
    2518              : 
    2519              : /* Nonzero in a type considered volatile as a whole.  */
    2520              : #define TYPE_VOLATILE(NODE) (TYPE_CHECK (NODE)->base.volatile_flag)
    2521              : 
    2522              : /* Nonzero in a type considered atomic as a whole.  */
    2523              : #define TYPE_ATOMIC(NODE) (TYPE_CHECK (NODE)->base.u.bits.atomic_flag)
    2524              : 
    2525              : /* Means this type is const-qualified.  */
    2526              : #define TYPE_READONLY(NODE) (TYPE_CHECK (NODE)->base.readonly_flag)
    2527              : 
    2528              : /* If nonzero, this type is `restrict'-qualified, in the C sense of
    2529              :    the term.  */
    2530              : #define TYPE_RESTRICT(NODE) (TYPE_CHECK (NODE)->type_common.restrict_flag)
    2531              : 
    2532              : /* If nonzero, type's name shouldn't be emitted into debug info.  */
    2533              : #define TYPE_NAMELESS(NODE) (TYPE_CHECK (NODE)->base.u.bits.nameless_flag)
    2534              : 
    2535              : /* The address space the type is in.  */
    2536              : #define TYPE_ADDR_SPACE(NODE) (TYPE_CHECK (NODE)->base.u.bits.address_space)
    2537              : 
    2538              : /* Encode/decode the named memory support as part of the qualifier.  If more
    2539              :    than 8 qualifiers are added, these macros need to be adjusted.  */
    2540              : #define ENCODE_QUAL_ADDR_SPACE(NUM) ((NUM & 0xFF) << 8)
    2541              : #define DECODE_QUAL_ADDR_SPACE(X) (((X) >> 8) & 0xFF)
    2542              : 
    2543              : /* Return all qualifiers except for the address space qualifiers.  */
    2544              : #define CLEAR_QUAL_ADDR_SPACE(X) ((X) & ~0xFF00)
    2545              : 
    2546              : /* Only keep the address space out of the qualifiers and discard the other
    2547              :    qualifiers.  */
    2548              : #define KEEP_QUAL_ADDR_SPACE(X) ((X) & 0xFF00)
    2549              : 
    2550              : /* The set of type qualifiers for this type.  */
    2551              : #define TYPE_QUALS(NODE)                                        \
    2552              :   ((int) ((TYPE_READONLY (NODE) * TYPE_QUAL_CONST)              \
    2553              :           | (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE)         \
    2554              :           | (TYPE_ATOMIC (NODE) * TYPE_QUAL_ATOMIC)             \
    2555              :           | (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT)         \
    2556              :           | (ENCODE_QUAL_ADDR_SPACE (TYPE_ADDR_SPACE (NODE)))))
    2557              : 
    2558              : /* The same as TYPE_QUALS without the address space qualifications.  */
    2559              : #define TYPE_QUALS_NO_ADDR_SPACE(NODE)                          \
    2560              :   ((int) ((TYPE_READONLY (NODE) * TYPE_QUAL_CONST)              \
    2561              :           | (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE)         \
    2562              :           | (TYPE_ATOMIC (NODE) * TYPE_QUAL_ATOMIC)             \
    2563              :           | (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT)))
    2564              : 
    2565              : /* The same as TYPE_QUALS without the address space and atomic
    2566              :    qualifications.  */
    2567              : #define TYPE_QUALS_NO_ADDR_SPACE_NO_ATOMIC(NODE)                \
    2568              :   ((int) ((TYPE_READONLY (NODE) * TYPE_QUAL_CONST)              \
    2569              :           | (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE)         \
    2570              :           | (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT)))
    2571              : 
    2572              : /* These flags are available for each language front end to use internally.  */
    2573              : #define TYPE_LANG_FLAG_0(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_0)
    2574              : #define TYPE_LANG_FLAG_1(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_1)
    2575              : #define TYPE_LANG_FLAG_2(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_2)
    2576              : #define TYPE_LANG_FLAG_3(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_3)
    2577              : #define TYPE_LANG_FLAG_4(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_4)
    2578              : #define TYPE_LANG_FLAG_5(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_5)
    2579              : #define TYPE_LANG_FLAG_6(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_6)
    2580              : #define TYPE_LANG_FLAG_7(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_7)
    2581              : 
    2582              : /* Used to keep track of visited nodes in tree traversals.  This is set to
    2583              :    0 by copy_node and make_node.  */
    2584              : #define TREE_VISITED(NODE) ((NODE)->base.visited)
    2585              : 
    2586              : /* If set in an ARRAY_TYPE, indicates a string type (for languages
    2587              :    that distinguish string from array of char).
    2588              :    If set in a INTEGER_TYPE, indicates a character type.  */
    2589              : #define TYPE_STRING_FLAG(NODE) \
    2590              :         (ARRAY_OR_INTEGER_TYPE_CHECK (NODE)->type_common.string_flag)
    2591              : 
    2592              : /* If set for RECORD_TYPE or UNION_TYPE it indicates that the type conforms
    2593              :    to the C++ one definition rule.  This is used for LTO canonical type
    2594              :    computation.  */
    2595              : #define TYPE_CXX_ODR_P(NODE) \
    2596              :         (RECORD_OR_UNION_CHECK (NODE)->type_common.string_flag)
    2597              : 
    2598              : /* Nonzero in a VECTOR_TYPE if the frontends should not emit warnings
    2599              :    about missing conversions to other vector types of the same size.  */
    2600              : #define TYPE_VECTOR_OPAQUE(NODE) \
    2601              :   (VECTOR_TYPE_CHECK (NODE)->base.default_def_flag)
    2602              : 
    2603              : /* Indicates that objects of this type must be initialized by calling a
    2604              :    function when they are created.  */
    2605              : #define TYPE_NEEDS_CONSTRUCTING(NODE) \
    2606              :   (TYPE_CHECK (NODE)->type_common.needs_constructing_flag)
    2607              : 
    2608              : /* Indicates that a UNION_TYPE object should be passed the same way that
    2609              :    the first union alternative would be passed, or that a RECORD_TYPE
    2610              :    object should be passed the same way that the first (and only) member
    2611              :    would be passed.  */
    2612              : #define TYPE_TRANSPARENT_AGGR(NODE) \
    2613              :   (RECORD_OR_UNION_CHECK (NODE)->type_common.transparent_aggr_flag)
    2614              : 
    2615              : /* For an ARRAY_TYPE, indicates that it is not permitted to take the
    2616              :    address of a component of the type.  This is the counterpart of
    2617              :    DECL_NONADDRESSABLE_P for arrays, see the definition of this flag.  */
    2618              : #define TYPE_NONALIASED_COMPONENT(NODE) \
    2619              :   (ARRAY_TYPE_CHECK (NODE)->type_common.transparent_aggr_flag)
    2620              : 
    2621              : /* For an ARRAY_TYPE, a RECORD_TYPE, a UNION_TYPE or a QUAL_UNION_TYPE
    2622              :    whether the array is typeless storage or the type contains a member
    2623              :    with this flag set.  Such types are exempt from type-based alias
    2624              :    analysis.  For ARRAY_TYPEs with AGGREGATE_TYPE_P element types
    2625              :    the flag should be inherited from the element type, can change
    2626              :    when type is finalized and because of that should not be used in
    2627              :    type hashing.  For ARRAY_TYPEs with non-AGGREGATE_TYPE_P element types
    2628              :    the flag should not be changed after the array is created and should
    2629              :    be used in type hashing.  */
    2630              : #define TYPE_TYPELESS_STORAGE(NODE) \
    2631              :   (TREE_CHECK4 (NODE, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, \
    2632              :                 ARRAY_TYPE)->type_common.typeless_storage)
    2633              : 
    2634              : /* Indicated that objects of this type should be laid out in as
    2635              :    compact a way as possible.  */
    2636              : #define TYPE_PACKED(NODE) (TYPE_CHECK (NODE)->base.u.bits.packed_flag)
    2637              : 
    2638              : /* Used by type_contains_placeholder_p to avoid recomputation.
    2639              :    Values are: 0 (unknown), 1 (false), 2 (true).  Never access
    2640              :    this field directly.  */
    2641              : #define TYPE_CONTAINS_PLACEHOLDER_INTERNAL(NODE) \
    2642              :   (TYPE_CHECK (NODE)->type_common.contains_placeholder_bits)
    2643              : 
    2644              : /* Nonzero if RECORD_TYPE represents a final derivation of class.  */
    2645              : #define TYPE_FINAL_P(NODE) \
    2646              :   (RECORD_OR_UNION_CHECK (NODE)->base.default_def_flag)
    2647              : 
    2648              : /* The debug output functions use the symtab union field to store
    2649              :    information specific to the debugging format.  The different debug
    2650              :    output hooks store different types in the union field.  These three
    2651              :    macros are used to access different fields in the union.  The debug
    2652              :    hooks are responsible for consistently using only a specific
    2653              :    macro.  */
    2654              : 
    2655              : /* Symtab field as an integer.  Used by stabs generator in dbxout.cc to
    2656              :    hold the type's number in the generated stabs.  */
    2657              : #define TYPE_SYMTAB_ADDRESS(NODE) \
    2658              :   (TYPE_CHECK (NODE)->type_common.symtab.address)
    2659              : 
    2660              : /* Symtab field as a pointer to a DWARF DIE.  Used by DWARF generator
    2661              :    in dwarf2out.cc to point to the DIE generated for the type.  */
    2662              : #define TYPE_SYMTAB_DIE(NODE) \
    2663              :   (TYPE_CHECK (NODE)->type_common.symtab.die)
    2664              : 
    2665              : /* The garbage collector needs to know the interpretation of the
    2666              :    symtab field.  These constants represent the different types in the
    2667              :    union.  */
    2668              : 
    2669              : #define TYPE_SYMTAB_IS_ADDRESS (0)
    2670              : #define TYPE_SYMTAB_IS_DIE (1)
    2671              : 
    2672              : #define TYPE_LANG_SPECIFIC(NODE) \
    2673              :   (TYPE_CHECK (NODE)->type_with_lang_specific.lang_specific)
    2674              : 
    2675              : #define TYPE_VALUES(NODE) (ENUMERAL_TYPE_CHECK (NODE)->type_non_common.values)
    2676              : #define TYPE_DOMAIN(NODE) (ARRAY_TYPE_CHECK (NODE)->type_non_common.values)
    2677              : #define TYPE_FIELDS(NODE)                               \
    2678              :   (RECORD_OR_UNION_CHECK (NODE)->type_non_common.values)
    2679              : #define TYPE_CACHED_VALUES(NODE) (TYPE_CHECK (NODE)->type_non_common.values)
    2680              : #define TYPE_ARG_TYPES(NODE)                            \
    2681              :   (FUNC_OR_METHOD_CHECK (NODE)->type_non_common.values)
    2682              : #define TYPE_VALUES_RAW(NODE) (TYPE_CHECK (NODE)->type_non_common.values)
    2683              : 
    2684              : #define TYPE_MIN_VALUE(NODE)                            \
    2685              :   (NUMERICAL_TYPE_CHECK (NODE)->type_non_common.minval)
    2686              : #define TYPE_NEXT_PTR_TO(NODE)                          \
    2687              :   (POINTER_TYPE_CHECK (NODE)->type_non_common.minval)
    2688              : #define TYPE_NEXT_REF_TO(NODE)                          \
    2689              :   (REFERENCE_TYPE_CHECK (NODE)->type_non_common.minval)
    2690              : #define TYPE_VFIELD(NODE)                               \
    2691              :   (RECORD_OR_UNION_CHECK (NODE)->type_non_common.minval)
    2692              : #define TYPE_MIN_VALUE_RAW(NODE) (TYPE_CHECK (NODE)->type_non_common.minval)
    2693              : 
    2694              : #define TYPE_MAX_VALUE(NODE) \
    2695              :   (NUMERICAL_TYPE_CHECK (NODE)->type_non_common.maxval)
    2696              : #define TYPE_METHOD_BASETYPE(NODE)                      \
    2697              :   (FUNC_OR_METHOD_CHECK (NODE)->type_non_common.maxval)
    2698              : #define TYPE_OFFSET_BASETYPE(NODE)                      \
    2699              :   (OFFSET_TYPE_CHECK (NODE)->type_non_common.maxval)
    2700              : /* If non-NULL, this is an upper bound of the size (in bytes) of an
    2701              :    object of the given ARRAY_TYPE_NON_COMMON.  This allows temporaries to be
    2702              :    allocated.  */
    2703              : #define TYPE_ARRAY_MAX_SIZE(ARRAY_TYPE) \
    2704              :   (ARRAY_TYPE_CHECK (ARRAY_TYPE)->type_non_common.maxval)
    2705              : #define TYPE_MAX_VALUE_RAW(NODE) (TYPE_CHECK (NODE)->type_non_common.maxval)
    2706              : /* For record and union types, information about this type, as a base type
    2707              :    for itself.  */
    2708              : #define TYPE_BINFO(NODE) (RECORD_OR_UNION_CHECK (NODE)->type_non_common.maxval)
    2709              : 
    2710              : /* For types, used in a language-dependent way.  */
    2711              : #define TYPE_LANG_SLOT_1(NODE) \
    2712              :   (TYPE_CHECK (NODE)->type_non_common.lang_1)
    2713              : 
    2714              : /* Define accessor macros for information about type inheritance
    2715              :    and basetypes.
    2716              : 
    2717              :    A "basetype" means a particular usage of a data type for inheritance
    2718              :    in another type.  Each such basetype usage has its own "binfo"
    2719              :    object to describe it.  The binfo object is a TREE_VEC node.
    2720              : 
    2721              :    Inheritance is represented by the binfo nodes allocated for a
    2722              :    given type.  For example, given types C and D, such that D is
    2723              :    inherited by C, 3 binfo nodes will be allocated: one for describing
    2724              :    the binfo properties of C, similarly one for D, and one for
    2725              :    describing the binfo properties of D as a base type for C.
    2726              :    Thus, given a pointer to class C, one can get a pointer to the binfo
    2727              :    of D acting as a basetype for C by looking at C's binfo's basetypes.  */
    2728              : 
    2729              : /* BINFO specific flags.  */
    2730              : 
    2731              : /* Nonzero means that the derivation chain is via a `virtual' declaration.  */
    2732              : #define BINFO_VIRTUAL_P(NODE) (TREE_BINFO_CHECK (NODE)->base.static_flag)
    2733              : 
    2734              : /* Flags for language dependent use.  */
    2735              : #define BINFO_FLAG_0(NODE) TREE_LANG_FLAG_0 (TREE_BINFO_CHECK (NODE))
    2736              : #define BINFO_FLAG_1(NODE) TREE_LANG_FLAG_1 (TREE_BINFO_CHECK (NODE))
    2737              : #define BINFO_FLAG_2(NODE) TREE_LANG_FLAG_2 (TREE_BINFO_CHECK (NODE))
    2738              : #define BINFO_FLAG_3(NODE) TREE_LANG_FLAG_3 (TREE_BINFO_CHECK (NODE))
    2739              : #define BINFO_FLAG_4(NODE) TREE_LANG_FLAG_4 (TREE_BINFO_CHECK (NODE))
    2740              : #define BINFO_FLAG_5(NODE) TREE_LANG_FLAG_5 (TREE_BINFO_CHECK (NODE))
    2741              : #define BINFO_FLAG_6(NODE) TREE_LANG_FLAG_6 (TREE_BINFO_CHECK (NODE))
    2742              : 
    2743              : /* The actual data type node being inherited in this basetype.  */
    2744              : #define BINFO_TYPE(NODE) TREE_TYPE (TREE_BINFO_CHECK (NODE))
    2745              : 
    2746              : /* The offset where this basetype appears in its containing type.
    2747              :    BINFO_OFFSET slot holds the offset (in bytes)
    2748              :    from the base of the complete object to the base of the part of the
    2749              :    object that is allocated on behalf of this `type'.
    2750              :    This is always 0 except when there is multiple inheritance.  */
    2751              : 
    2752              : #define BINFO_OFFSET(NODE) (TREE_BINFO_CHECK (NODE)->binfo.offset)
    2753              : #define BINFO_OFFSET_ZEROP(NODE) (integer_zerop (BINFO_OFFSET (NODE)))
    2754              : 
    2755              : /* The virtual function table belonging to this basetype.  Virtual
    2756              :    function tables provide a mechanism for run-time method dispatching.
    2757              :    The entries of a virtual function table are language-dependent.  */
    2758              : 
    2759              : #define BINFO_VTABLE(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vtable)
    2760              : 
    2761              : /* The virtual functions in the virtual function table.  This is
    2762              :    a TREE_LIST that is used as an initial approximation for building
    2763              :    a virtual function table for this basetype.  */
    2764              : #define BINFO_VIRTUALS(NODE) (TREE_BINFO_CHECK (NODE)->binfo.virtuals)
    2765              : 
    2766              : /* A vector of binfos for the direct basetypes inherited by this
    2767              :    basetype.
    2768              : 
    2769              :    If this basetype describes type D as inherited in C, and if the
    2770              :    basetypes of D are E and F, then this vector contains binfos for
    2771              :    inheritance of E and F by C.  */
    2772              : #define BINFO_BASE_BINFOS(NODE) (&TREE_BINFO_CHECK (NODE)->binfo.base_binfos)
    2773              : 
    2774              : /* The number of basetypes for NODE.  */
    2775              : #define BINFO_N_BASE_BINFOS(NODE) (BINFO_BASE_BINFOS (NODE)->length ())
    2776              : 
    2777              : /* Accessor macro to get to the Nth base binfo of this binfo.  */
    2778              : #define BINFO_BASE_BINFO(NODE,N) \
    2779              :  ((*BINFO_BASE_BINFOS (NODE))[(N)])
    2780              : #define BINFO_BASE_ITERATE(NODE,N,B) \
    2781              :  (BINFO_BASE_BINFOS (NODE)->iterate ((N), &(B)))
    2782              : #define BINFO_BASE_APPEND(NODE,T) \
    2783              :  (BINFO_BASE_BINFOS (NODE)->quick_push ((T)))
    2784              : 
    2785              : /* For a BINFO record describing a virtual base class, i.e., one where
    2786              :    TREE_VIA_VIRTUAL is set, this field assists in locating the virtual
    2787              :    base.  The actual contents are language-dependent.  In the C++
    2788              :    front-end this field is an INTEGER_CST giving an offset into the
    2789              :    vtable where the offset to the virtual base can be found.  */
    2790              : #define BINFO_VPTR_FIELD(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vptr_field)
    2791              : 
    2792              : /* Indicates the accesses this binfo has to its bases.  The values are
    2793              :    access_public_node, access_protected_node or access_private_node.
    2794              :    If this vector is not present, public access is implied.  If present,
    2795              :    the vector should have BINFO_N_BASE_BINFOS or larger length.  Elements
    2796              :    beyond BINFO_N_BASE_BINFOS are base attributes instead of the
    2797              :    access_p*_node values for base with index IDX at IDX + BINFO_N_BASE_BINFOS
    2798              :    index.  If that is beyond the length of the vector, no attributes for
    2799              :    that base is implied.  */
    2800              : #define BINFO_BASE_ACCESSES(NODE) \
    2801              :   (TREE_BINFO_CHECK (NODE)->binfo.base_accesses)
    2802              : 
    2803              : #define BINFO_BASE_ACCESS(NODE,N) \
    2804              :   (*BINFO_BASE_ACCESSES (NODE))[(N)]
    2805              : #define BINFO_BASE_ACCESS_APPEND(NODE,T) \
    2806              :   BINFO_BASE_ACCESSES (NODE)->quick_push ((T))
    2807              : 
    2808              : /* The index in the VTT where this subobject's sub-VTT can be found.
    2809              :    NULL_TREE if there is no sub-VTT.  */
    2810              : #define BINFO_SUBVTT_INDEX(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vtt_subvtt)
    2811              : 
    2812              : /* The index in the VTT where the vptr for this subobject can be
    2813              :    found.  NULL_TREE if there is no secondary vptr in the VTT.  */
    2814              : #define BINFO_VPTR_INDEX(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vtt_vptr)
    2815              : 
    2816              : /* The BINFO_INHERITANCE_CHAIN points at the binfo for the base
    2817              :    inheriting this base for non-virtual bases. For virtual bases it
    2818              :    points either to the binfo for which this is a primary binfo, or to
    2819              :    the binfo of the most derived type.  */
    2820              : #define BINFO_INHERITANCE_CHAIN(NODE) \
    2821              :         (TREE_BINFO_CHECK (NODE)->binfo.inheritance)
    2822              : 
    2823              : 
    2824              : /* Define fields and accessors for nodes representing declared names.  */
    2825              : 
    2826              : /* Nonzero if DECL represents an SSA name or a variable that can possibly
    2827              :    have an associated SSA name.  */
    2828              : #define SSA_VAR_P(DECL)                                                 \
    2829              :         (TREE_CODE (DECL) == VAR_DECL                                   \
    2830              :          || TREE_CODE (DECL) == PARM_DECL                               \
    2831              :          || TREE_CODE (DECL) == RESULT_DECL                             \
    2832              :          || TREE_CODE (DECL) == SSA_NAME)
    2833              : 
    2834              : 
    2835              : #define DECL_CHAIN(NODE) (TREE_CHAIN (DECL_MINIMAL_CHECK (NODE)))
    2836              : 
    2837              : /* This is the name of the object as written by the user.
    2838              :    It is an IDENTIFIER_NODE.  */
    2839              : #define DECL_NAME(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.name)
    2840              : 
    2841              : /* The IDENTIFIER_NODE associated with the TYPE_NAME field.  */
    2842              : #define TYPE_IDENTIFIER(NODE) \
    2843              :   (TYPE_NAME (NODE) && DECL_P (TYPE_NAME (NODE)) \
    2844              :    ? DECL_NAME (TYPE_NAME (NODE)) : TYPE_NAME (NODE))
    2845              : 
    2846              : /* Every ..._DECL node gets a unique number.  */
    2847              : #define DECL_UID(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.uid)
    2848              : 
    2849              : /* DEBUG_EXPR_DECLs get negative UID numbers, to catch erroneous
    2850              :    uses.  */
    2851              : #define DEBUG_TEMP_UID(NODE) (-DECL_UID (TREE_CHECK ((NODE), DEBUG_EXPR_DECL)))
    2852              : 
    2853              : /* Every ..._DECL node gets a unique number that stays the same even
    2854              :    when the decl is copied by the inliner once it is set.  */
    2855              : #define DECL_PT_UID(NODE) \
    2856              :   (DECL_COMMON_CHECK (NODE)->decl_common.pt_uid == -1u \
    2857              :    ? (NODE)->decl_minimal.uid : (NODE)->decl_common.pt_uid)
    2858              : /* Initialize the ..._DECL node pt-uid to the decls uid.  */
    2859              : #define SET_DECL_PT_UID(NODE, UID) \
    2860              :   (DECL_COMMON_CHECK (NODE)->decl_common.pt_uid = (UID))
    2861              : /* Whether the ..._DECL node pt-uid has been initialized and thus needs to
    2862              :    be preserved when copyin the decl.  */
    2863              : #define DECL_PT_UID_SET_P(NODE) \
    2864              :   (DECL_COMMON_CHECK (NODE)->decl_common.pt_uid != -1u)
    2865              : 
    2866              : /* These two fields describe where in the source code the declaration
    2867              :    was.  If the declaration appears in several places (as for a C
    2868              :    function that is declared first and then defined later), this
    2869              :    information should refer to the definition.  */
    2870              : #define DECL_SOURCE_LOCATION(NODE) \
    2871              :   (DECL_MINIMAL_CHECK (NODE)->decl_minimal.locus)
    2872              : #define DECL_SOURCE_FILE(NODE) LOCATION_FILE (DECL_SOURCE_LOCATION (NODE))
    2873              : #define DECL_SOURCE_LINE(NODE) LOCATION_LINE (DECL_SOURCE_LOCATION (NODE))
    2874              : #define DECL_SOURCE_COLUMN(NODE) LOCATION_COLUMN (DECL_SOURCE_LOCATION (NODE))
    2875              : /* This decl was created by a front-end or back-end rather than by
    2876              :    user code, and has not been explicitly declared by the user -- when
    2877              :    that happens the source location is updated to the user's
    2878              :    source.  This includes decls with no location (!).  */
    2879              : #define DECL_IS_UNDECLARED_BUILTIN(DECL) \
    2880              :   (DECL_SOURCE_LOCATION (DECL) <= BUILTINS_LOCATION)
    2881              : 
    2882              : /*  For FIELD_DECLs, this is the RECORD_TYPE, UNION_TYPE, or
    2883              :     QUAL_UNION_TYPE node that the field is a member of.  For VAR_DECL,
    2884              :     PARM_DECL, FUNCTION_DECL, LABEL_DECL, RESULT_DECL, and CONST_DECL
    2885              :     nodes, this points to either the FUNCTION_DECL for the containing
    2886              :     function, the RECORD_TYPE or UNION_TYPE for the containing type, or
    2887              :     NULL_TREE or a TRANSLATION_UNIT_DECL if the given decl has "file
    2888              :     scope".  In particular, for VAR_DECLs which are virtual table pointers
    2889              :     (they have DECL_VIRTUAL set), we use DECL_CONTEXT to determine the type
    2890              :     they belong to.  */
    2891              : #define DECL_CONTEXT(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.context)
    2892              : #define DECL_FIELD_CONTEXT(NODE) \
    2893              :   (FIELD_DECL_CHECK (NODE)->decl_minimal.context)
    2894              : 
    2895              : /* If nonzero, decl's name shouldn't be emitted into debug info.  */
    2896              : #define DECL_NAMELESS(NODE) (DECL_MINIMAL_CHECK (NODE)->base.u.bits.nameless_flag)
    2897              : 
    2898              : /* For any sort of a ..._DECL node, this points to the original (abstract)
    2899              :    decl node which this decl is an inlined/cloned instance of, or else it
    2900              :    is NULL indicating that this decl is not an instance of some other decl.
    2901              : 
    2902              :    The C front-end also uses this in a nested declaration of an inline
    2903              :    function, to point back to the definition.  */
    2904              : #define DECL_ABSTRACT_ORIGIN(NODE) \
    2905              :   (DECL_COMMON_CHECK (NODE)->decl_common.abstract_origin)
    2906              : 
    2907              : /* Like DECL_ABSTRACT_ORIGIN, but returns NODE if there's no abstract
    2908              :    origin.  This is useful when setting the DECL_ABSTRACT_ORIGIN.  */
    2909              : #define DECL_ORIGIN(NODE) \
    2910              :   (DECL_ABSTRACT_ORIGIN (NODE) ? DECL_ABSTRACT_ORIGIN (NODE) : (NODE))
    2911              : 
    2912              : /* Nonzero for any sort of ..._DECL node means this decl node represents an
    2913              :    inline instance of some original (abstract) decl from an inline function;
    2914              :    suppress any warnings about shadowing some other variable.  FUNCTION_DECL
    2915              :    nodes can also have their abstract origin set to themselves.  */
    2916              : #define DECL_FROM_INLINE(NODE) \
    2917              :   (DECL_ABSTRACT_ORIGIN (NODE) != NULL_TREE \
    2918              :    && DECL_ABSTRACT_ORIGIN (NODE) != (NODE))
    2919              : 
    2920              : /* In a DECL this is the field where attributes are stored.  */
    2921              : #define DECL_ATTRIBUTES(NODE) \
    2922              :   (DECL_COMMON_CHECK (NODE)->decl_common.attributes)
    2923              : 
    2924              : /* For a FUNCTION_DECL, holds the tree of BINDINGs.
    2925              :    For a TRANSLATION_UNIT_DECL, holds the namespace's BLOCK.
    2926              :    For a VAR_DECL, holds the initial value.
    2927              :    For a PARM_DECL, used for DECL_ARG_TYPE--default
    2928              :    values for parameters are encoded in the type of the function,
    2929              :    not in the PARM_DECL slot.
    2930              :    For a FIELD_DECL, this is used for enumeration values and the C
    2931              :    frontend uses it for temporarily storing bitwidth of bitfields.
    2932              : 
    2933              :    ??? Need to figure out some way to check this isn't a PARM_DECL.  */
    2934              : #define DECL_INITIAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.initial)
    2935              : 
    2936              : /* Holds the size of the datum, in bits, as a tree expression.
    2937              :    Need not be constant and may be null.  May be less than TYPE_SIZE
    2938              :    for a C++ FIELD_DECL representing a base class subobject with its
    2939              :    own virtual base classes (which are laid out separately).  */
    2940              : #define DECL_SIZE(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.size)
    2941              : /* Likewise for the size in bytes.  */
    2942              : #define DECL_SIZE_UNIT(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.size_unit)
    2943              : #define DECL_ALIGN_RAW(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.align)
    2944              : /* Returns the alignment required for the datum, in bits.  It must
    2945              :    be a power of two, but an "alignment" of zero is supported
    2946              :    (e.g. as "uninitialized" sentinel).  */
    2947              : #define DECL_ALIGN(NODE)                                        \
    2948              :   (DECL_ALIGN_RAW (NODE)                                        \
    2949              :    ? ((unsigned)1) << (DECL_ALIGN_RAW (NODE) - 1) : 0)
    2950              : /* Specify that DECL_ALIGN(NODE) is X.  */
    2951              : #define SET_DECL_ALIGN(NODE, X) \
    2952              :   (DECL_ALIGN_RAW (NODE) = ffs_hwi (X))
    2953              : 
    2954              : /* The minimum alignment necessary for the datum, in bits, without
    2955              :    warning.  */
    2956              : #define DECL_WARN_IF_NOT_ALIGN_RAW(NODE)                        \
    2957              :   (DECL_COMMON_CHECK (NODE)->decl_common.warn_if_not_align)
    2958              : #define DECL_WARN_IF_NOT_ALIGN(NODE)                                    \
    2959              :   (DECL_WARN_IF_NOT_ALIGN_RAW (NODE)                                    \
    2960              :    ? ((unsigned)1) << (DECL_WARN_IF_NOT_ALIGN_RAW (NODE) - 1) : 0)
    2961              : 
    2962              : /* Specify that DECL_WARN_IF_NOT_ALIGN(NODE) is X.  */
    2963              : #define SET_DECL_WARN_IF_NOT_ALIGN(NODE, X)             \
    2964              :   (DECL_WARN_IF_NOT_ALIGN_RAW (NODE) = ffs_hwi (X))
    2965              : 
    2966              : /* The alignment of NODE, in bytes.  */
    2967              : #define DECL_ALIGN_UNIT(NODE) (DECL_ALIGN (NODE) / BITS_PER_UNIT)
    2968              : /* Set if the alignment of this DECL has been set by the user, for
    2969              :    example with an 'aligned' attribute.  */
    2970              : #define DECL_USER_ALIGN(NODE) \
    2971              :   (DECL_COMMON_CHECK (NODE)->base.u.bits.user_align)
    2972              : /* Holds the machine mode corresponding to the declaration of a variable or
    2973              :    field.  Always equal to TYPE_MODE (TREE_TYPE (decl)) except for a
    2974              :    FIELD_DECL.  */
    2975              : #define DECL_MODE(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.mode)
    2976              : #define SET_DECL_MODE(NODE, MODE) \
    2977              :   (DECL_COMMON_CHECK (NODE)->decl_common.mode = (MODE))
    2978              : 
    2979              : /* For FUNCTION_DECL, if it is built-in, this identifies which built-in
    2980              :    operation it is.  This is only intended for low-level accesses;
    2981              :    normally DECL_FUNCTION_CODE, DECL_FE_FUNCTION_CODE or DECL_MD_FUNCTION
    2982              :    should be used instead.  */
    2983              : #define DECL_UNCHECKED_FUNCTION_CODE(NODE) \
    2984              :   (FUNCTION_DECL_CHECK (NODE)->function_decl.function_code)
    2985              : 
    2986              : /* Test if FCODE is a function code for an alloca operation.  */
    2987              : #define ALLOCA_FUNCTION_CODE_P(FCODE)                           \
    2988              :   ((FCODE) == BUILT_IN_ALLOCA                                   \
    2989              :    || (FCODE) == BUILT_IN_ALLOCA_WITH_ALIGN                     \
    2990              :    || (FCODE) == BUILT_IN_ALLOCA_WITH_ALIGN_AND_MAX)
    2991              : 
    2992              : /* Generate case for an alloca operation.  */
    2993              : #define CASE_BUILT_IN_ALLOCA                    \
    2994              :   case BUILT_IN_ALLOCA:                         \
    2995              :   case BUILT_IN_ALLOCA_WITH_ALIGN:              \
    2996              :   case BUILT_IN_ALLOCA_WITH_ALIGN_AND_MAX
    2997              : 
    2998              : #define DECL_FUNCTION_PERSONALITY(NODE) \
    2999              :   (FUNCTION_DECL_CHECK (NODE)->function_decl.personality)
    3000              : 
    3001              : /* Nonzero for a given ..._DECL node means that the name of this node should
    3002              :    be ignored for symbolic debug purposes.  For a TYPE_DECL, this means that
    3003              :    the associated type should be ignored.  For a FUNCTION_DECL, the body of
    3004              :    the function should also be ignored.  */
    3005              : #define DECL_IGNORED_P(NODE) \
    3006              :   (DECL_COMMON_CHECK (NODE)->decl_common.ignored_flag)
    3007              : 
    3008              : /* Nonzero for a given ..._DECL node means that this node represents an
    3009              :    "abstract instance" of the given declaration (e.g. in the original
    3010              :    declaration of an inline function).  When generating symbolic debugging
    3011              :    information, we mustn't try to generate any address information for nodes
    3012              :    marked as "abstract instances" because we don't actually generate
    3013              :    any code or allocate any data space for such instances.  */
    3014              : #define DECL_ABSTRACT_P(NODE) \
    3015              :   (DECL_COMMON_CHECK (NODE)->decl_common.abstract_flag)
    3016              : 
    3017              : /* Language-specific decl information.  */
    3018              : #define DECL_LANG_SPECIFIC(NODE) \
    3019              :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_specific)
    3020              : 
    3021              : /* In a VAR_DECL or FUNCTION_DECL, nonzero means external reference:
    3022              :    do not allocate storage, and refer to a definition elsewhere.  Note that
    3023              :    this does not necessarily imply the entity represented by NODE
    3024              :    has no program source-level definition in this translation unit.  For
    3025              :    example, for a FUNCTION_DECL, DECL_SAVED_TREE may be non-NULL and
    3026              :    DECL_EXTERNAL may be true simultaneously; that can be the case for
    3027              :    a C99 "extern inline" function.  */
    3028              : #define DECL_EXTERNAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.decl_flag_1)
    3029              : 
    3030              : /* Nonzero in a ..._DECL means this variable is ref'd from a nested function.
    3031              :    For VAR_DECL nodes, PARM_DECL nodes, and FUNCTION_DECL nodes.
    3032              : 
    3033              :    For LABEL_DECL nodes, nonzero if nonlocal gotos to the label are permitted.
    3034              : 
    3035              :    Also set in some languages for variables, etc., outside the normal
    3036              :    lexical scope, such as class instance variables.  */
    3037              : #define DECL_NONLOCAL(NODE) \
    3038              :   (DECL_COMMON_CHECK (NODE)->decl_common.nonlocal_flag)
    3039              : 
    3040              : /* Used in VAR_DECLs to indicate that the variable is a vtable.
    3041              :    Used in FIELD_DECLs for vtable pointers.
    3042              :    Used in FUNCTION_DECLs to indicate that the function is virtual.  */
    3043              : #define DECL_VIRTUAL_P(NODE) \
    3044              :   (DECL_COMMON_CHECK (NODE)->decl_common.virtual_flag)
    3045              : 
    3046              : /* Used to indicate that this DECL represents a compiler-generated entity.  */
    3047              : #define DECL_ARTIFICIAL(NODE) \
    3048              :   (DECL_COMMON_CHECK (NODE)->decl_common.artificial_flag)
    3049              : 
    3050              : /* Additional flags for language-specific uses.  */
    3051              : #define DECL_LANG_FLAG_0(NODE) \
    3052              :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_0)
    3053              : #define DECL_LANG_FLAG_1(NODE) \
    3054              :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_1)
    3055              : #define DECL_LANG_FLAG_2(NODE) \
    3056              :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_2)
    3057              : #define DECL_LANG_FLAG_3(NODE) \
    3058              :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_3)
    3059              : #define DECL_LANG_FLAG_4(NODE) \
    3060              :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_4)
    3061              : #define DECL_LANG_FLAG_5(NODE) \
    3062              :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_5)
    3063              : #define DECL_LANG_FLAG_6(NODE) \
    3064              :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_6)
    3065              : #define DECL_LANG_FLAG_7(NODE) \
    3066              :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_7)
    3067              : #define DECL_LANG_FLAG_8(NODE) \
    3068              :   (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_8)
    3069              : 
    3070              : /* Nonzero for a scope which is equal to file scope.  */
    3071              : #define SCOPE_FILE_SCOPE_P(EXP) \
    3072              :   (! (EXP) || TREE_CODE (EXP) == TRANSLATION_UNIT_DECL)
    3073              : /* Nonzero for a decl which is at file scope.  */
    3074              : #define DECL_FILE_SCOPE_P(EXP) SCOPE_FILE_SCOPE_P (DECL_CONTEXT (EXP))
    3075              : /* Nonzero for a type which is at file scope.  */
    3076              : #define TYPE_FILE_SCOPE_P(EXP) SCOPE_FILE_SCOPE_P (TYPE_CONTEXT (EXP))
    3077              : 
    3078              : /* Nonzero for a decl that is decorated using attribute used.
    3079              :    This indicates to compiler tools that this decl needs to be preserved.  */
    3080              : #define DECL_PRESERVE_P(DECL) \
    3081              :   DECL_COMMON_CHECK (DECL)->decl_common.preserve_flag
    3082              : 
    3083              : /* Nonzero for a decl that is decorated with the "noinit" attribute.
    3084              :    decls with this attribute are placed into the ".noinit" section, so they are
    3085              :    not initialized by the target's startup code.  */
    3086              : #define DECL_NOINIT_P(DECL)     \
    3087              :   (DECL_P (DECL)                \
    3088              :    && (lookup_attribute ("noinit", DECL_ATTRIBUTES (DECL)) != NULL_TREE))
    3089              : 
    3090              : /* Nonzero for a decl that is decorated with the "persistent" attribute.
    3091              :    decls with this attribute are placed into the ".persistent" section, so they
    3092              :    are not initialized by the target's startup code.  */
    3093              : #define DECL_PERSISTENT_P(DECL) \
    3094              :   (DECL_P (DECL)                \
    3095              :    && (lookup_attribute ("persistent", DECL_ATTRIBUTES (DECL)) != NULL_TREE))
    3096              : 
    3097              : /* For function local variables indicates that the variable
    3098              :    should not be treated as a GIMPLE register.  In particular
    3099              :    this means that partial definitions can appear and the
    3100              :    variable cannot be written into SSA form and instead uses
    3101              :    virtual operands to represent the use-def dataflow.  */
    3102              : #define DECL_NOT_GIMPLE_REG_P(DECL) \
    3103              :   DECL_COMMON_CHECK (DECL)->decl_common.not_gimple_reg_flag
    3104              : 
    3105              : extern tree decl_value_expr_lookup (tree);
    3106              : extern void decl_value_expr_insert (tree, tree);
    3107              : 
    3108              : /* In a VAR_DECL or PARM_DECL, the location at which the value may be found,
    3109              :    if transformations have made this more complicated than evaluating the
    3110              :    decl itself.  */
    3111              : #define DECL_HAS_VALUE_EXPR_P(NODE) \
    3112              :   (TREE_CHECK3 (NODE, VAR_DECL, PARM_DECL, RESULT_DECL) \
    3113              :    ->decl_common.decl_flag_2)
    3114              : #define DECL_VALUE_EXPR(NODE) \
    3115              :   (decl_value_expr_lookup (DECL_WRTL_CHECK (NODE)))
    3116              : #define SET_DECL_VALUE_EXPR(NODE, VAL) \
    3117              :   (decl_value_expr_insert (DECL_WRTL_CHECK (NODE), VAL))
    3118              : 
    3119              : /* Holds the RTL expression for the value of a variable or function.
    3120              :    This value can be evaluated lazily for functions, variables with
    3121              :    static storage duration, and labels.  */
    3122              : #define DECL_RTL(NODE)                                  \
    3123              :   (DECL_WRTL_CHECK (NODE)->decl_with_rtl.rtl         \
    3124              :    ? (NODE)->decl_with_rtl.rtl                                       \
    3125              :    : (make_decl_rtl (NODE), (NODE)->decl_with_rtl.rtl))
    3126              : 
    3127              : /* Set the DECL_RTL for NODE to RTL.  */
    3128              : #define SET_DECL_RTL(NODE, RTL) set_decl_rtl (NODE, RTL)
    3129              : 
    3130              : /* Returns nonzero if NODE is a tree node that can contain RTL.  */
    3131              : #define HAS_RTL_P(NODE) (CODE_CONTAINS_STRUCT (TREE_CODE (NODE), TS_DECL_WRTL))
    3132              : 
    3133              : /* Returns nonzero if the DECL_RTL for NODE has already been set.  */
    3134              : #define DECL_RTL_SET_P(NODE) \
    3135              :   (HAS_RTL_P (NODE) && DECL_WRTL_CHECK (NODE)->decl_with_rtl.rtl != NULL)
    3136              : 
    3137              : /* Copy the RTL from SRC_DECL to DST_DECL.  If the RTL was not set for
    3138              :    SRC_DECL, it will not be set for DST_DECL; this is a lazy copy.  */
    3139              : #define COPY_DECL_RTL(SRC_DECL, DST_DECL) \
    3140              :   (DECL_WRTL_CHECK (DST_DECL)->decl_with_rtl.rtl \
    3141              :    = DECL_WRTL_CHECK (SRC_DECL)->decl_with_rtl.rtl)
    3142              : 
    3143              : /* The DECL_RTL for NODE, if it is set, or NULL, if it is not set.  */
    3144              : #define DECL_RTL_IF_SET(NODE) (DECL_RTL_SET_P (NODE) ? DECL_RTL (NODE) : NULL)
    3145              : 
    3146              : #if (GCC_VERSION >= 2007)
    3147              : #define DECL_RTL_KNOWN_SET(decl) __extension__                          \
    3148              : ({  tree const __d = (decl);                                            \
    3149              :     gcc_checking_assert (DECL_RTL_SET_P (__d));                         \
    3150              :     /* Dereference it so the compiler knows it can't be NULL even       \
    3151              :        without assertion checking.  */                                  \
    3152              :     &*DECL_RTL_IF_SET (__d); })
    3153              : #else
    3154              : #define DECL_RTL_KNOWN_SET(decl) (&*DECL_RTL_IF_SET (decl))
    3155              : #endif
    3156              : 
    3157              : /* In VAR_DECL and PARM_DECL nodes, nonzero means declared `register'.  */
    3158              : #define DECL_REGISTER(NODE) (DECL_WRTL_CHECK (NODE)->decl_common.decl_flag_0)
    3159              : 
    3160              : /* In a FIELD_DECL, this is the field position, counting in bytes, of the
    3161              :    DECL_OFFSET_ALIGN-bit-sized word containing the bit closest to the beginning
    3162              :    of the structure.  */
    3163              : #define DECL_FIELD_OFFSET(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.offset)
    3164              : 
    3165              : /* In a FIELD_DECL, this is the offset, in bits, of the first bit of the
    3166              :    field from DECL_FIELD_OFFSET.  This field may be nonzero even for fields
    3167              :    that are not bit fields (since DECL_OFFSET_ALIGN may be larger than the
    3168              :    natural alignment of the field's type).  */
    3169              : #define DECL_FIELD_BIT_OFFSET(NODE) \
    3170              :   (FIELD_DECL_CHECK (NODE)->field_decl.bit_offset)
    3171              : 
    3172              : /* In a FIELD_DECL, this indicates whether the field was a bit-field and
    3173              :    if so, the type that was originally specified for it.
    3174              :    TREE_TYPE may have been modified (in finish_struct).  */
    3175              : #define DECL_BIT_FIELD_TYPE(NODE) \
    3176              :   (FIELD_DECL_CHECK (NODE)->field_decl.bit_field_type)
    3177              : 
    3178              : /* In a FIELD_DECL of a RECORD_TYPE, this is a pointer to the storage
    3179              :    representative FIELD_DECL.  */
    3180              : #define DECL_BIT_FIELD_REPRESENTATIVE(NODE) \
    3181              :   (FIELD_DECL_CHECK (NODE)->field_decl.qualifier)
    3182              : 
    3183              : /* For a FIELD_DECL in a QUAL_UNION_TYPE, records the expression, which
    3184              :    if nonzero, indicates that the field occupies the type.  */
    3185              : #define DECL_QUALIFIER(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.qualifier)
    3186              : 
    3187              : /* For FIELD_DECLs, off_align holds the number of low-order bits of
    3188              :    DECL_FIELD_OFFSET which are known to be always zero.
    3189              :    DECL_OFFSET_ALIGN thus returns the alignment that DECL_FIELD_OFFSET
    3190              :    has.  */
    3191              : #define DECL_OFFSET_ALIGN(NODE) \
    3192              :   (HOST_WIDE_INT_1U << FIELD_DECL_CHECK (NODE)->decl_common.off_align)
    3193              : 
    3194              : /* Specify that DECL_OFFSET_ALIGN(NODE) is X.  */
    3195              : #define SET_DECL_OFFSET_ALIGN(NODE, X) \
    3196              :   (FIELD_DECL_CHECK (NODE)->decl_common.off_align = ffs_hwi (X) - 1)
    3197              : 
    3198              : /* For FIELD_DECLS, DECL_FCONTEXT is the *first* baseclass in
    3199              :    which this FIELD_DECL is defined.  This information is needed when
    3200              :    writing debugging information about vfield and vbase decls for C++.  */
    3201              : #define DECL_FCONTEXT(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.fcontext)
    3202              : 
    3203              : /* In a FIELD_DECL, indicates this field should be bit-packed.  */
    3204              : #define DECL_PACKED(NODE) (FIELD_DECL_CHECK (NODE)->base.u.bits.packed_flag)
    3205              : 
    3206              : /* Nonzero in a FIELD_DECL means it is a bit field, and must be accessed
    3207              :    specially.  */
    3208              : #define DECL_BIT_FIELD(NODE) (FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_1)
    3209              : 
    3210              : /* In a FIELD_DECL, indicates this field should be ignored for ABI decisions
    3211              :    like passing/returning containing struct by value.
    3212              :    Set for C++17 empty base artificial FIELD_DECLs as well as
    3213              :    empty [[no_unique_address]] non-static data members.  */
    3214              : #define DECL_FIELD_ABI_IGNORED(NODE) \
    3215              :   (!DECL_BIT_FIELD (NODE) && (NODE)->decl_common.decl_flag_0)
    3216              : #define SET_DECL_FIELD_ABI_IGNORED(NODE, VAL) \
    3217              :   do {                                                                  \
    3218              :     gcc_checking_assert (!DECL_BIT_FIELD (NODE));                       \
    3219              :     FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_0 = (VAL);                \
    3220              :   } while (0)
    3221              : 
    3222              : /* In a FIELD_DECL, indicates C++ zero-width bitfield that used to be
    3223              :    removed from the IL since PR42217 until PR101539 and by that changed
    3224              :    the ABI on several targets.  This flag is provided so that the backends
    3225              :    can decide on the ABI with zero-width bitfields and emit -Wpsabi
    3226              :    warnings.  */
    3227              : #define DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD(NODE) \
    3228              :   (DECL_BIT_FIELD (NODE) && (NODE)->decl_common.decl_flag_0)
    3229              : #define SET_DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD(NODE, VAL) \
    3230              :   do {                                                                  \
    3231              :     gcc_checking_assert (DECL_BIT_FIELD (NODE));                        \
    3232              :     FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_0 = (VAL);                \
    3233              :   } while (0)
    3234              : 
    3235              : /* Used in a FIELD_DECL to indicate that we cannot form the address of
    3236              :    this component.  This makes it possible for Type-Based Alias Analysis
    3237              :    to disambiguate accesses to this field with indirect accesses using
    3238              :    the field's type:
    3239              : 
    3240              :      struct S { int i; } s;
    3241              :      int *p;
    3242              : 
    3243              :    If the flag is set on 'i', TBAA computes that s.i and *p never conflict.
    3244              : 
    3245              :    From the implementation's viewpoint, the alias set of the type of the
    3246              :    field 'i' (int) will not be recorded as a subset of that of the type of
    3247              :    's' (struct S) in record_component_aliases.  The counterpart is that
    3248              :    accesses to s.i must not be given the alias set of the type of 'i'
    3249              :    (int) but instead directly that of the type of 's' (struct S).  */
    3250              : #define DECL_NONADDRESSABLE_P(NODE) \
    3251              :   (FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_2)
    3252              : 
    3253              : /* Used in a FIELD_DECL to indicate that this field is padding.  */
    3254              : #define DECL_PADDING_P(NODE) \
    3255              :   (FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_3)
    3256              : 
    3257              : /* Used in a FIELD_DECL to indicate whether this field is not a flexible
    3258              :    array member. This is only valid for the last array type field of a
    3259              :    structure.  */
    3260              : #define DECL_NOT_FLEXARRAY(NODE) \
    3261              :   (FIELD_DECL_CHECK (NODE)->decl_common.decl_not_flexarray)
    3262              : 
    3263              : /* A numeric unique identifier for a LABEL_DECL.  The UID allocation is
    3264              :    dense, unique within any one function, and may be used to index arrays.
    3265              :    If the value is -1, then no UID has been assigned.  */
    3266              : #define LABEL_DECL_UID(NODE) \
    3267              :   (LABEL_DECL_CHECK (NODE)->label_decl.label_decl_uid)
    3268              : 
    3269              : /* In a LABEL_DECL, the EH region number for which the label is the
    3270              :    post_landing_pad.  */
    3271              : #define EH_LANDING_PAD_NR(NODE) \
    3272              :   (LABEL_DECL_CHECK (NODE)->label_decl.eh_landing_pad_nr)
    3273              : 
    3274              : /* For a PARM_DECL, records the data type used to pass the argument,
    3275              :    which may be different from the type seen in the program.  */
    3276              : #define DECL_ARG_TYPE(NODE) (PARM_DECL_CHECK (NODE)->decl_common.initial)
    3277              : 
    3278              : /* For PARM_DECL, holds an RTL for the stack slot or register
    3279              :    where the data was actually passed.  */
    3280              : #define DECL_INCOMING_RTL(NODE) \
    3281              :   (PARM_DECL_CHECK (NODE)->parm_decl.incoming_rtl)
    3282              : 
    3283              : /* Nonzero for a given ..._DECL node means that no warnings should be
    3284              :    generated just because this node is unused.  */
    3285              : #define DECL_IN_SYSTEM_HEADER(NODE) \
    3286              :   (in_system_header_at (DECL_SOURCE_LOCATION (NODE)))
    3287              : 
    3288              : /* Used to indicate that the linkage status of this DECL is not yet known,
    3289              :    so it should not be output now.  */
    3290              : #define DECL_DEFER_OUTPUT(NODE) \
    3291              :   (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.defer_output)
    3292              : 
    3293              : /* In a VAR_DECL that's static,
    3294              :    nonzero if the space is in the text section.  */
    3295              : #define DECL_IN_TEXT_SECTION(NODE) \
    3296              :   (VAR_DECL_CHECK (NODE)->decl_with_vis.in_text_section)
    3297              : 
    3298              : /* In a VAR_DECL that's static,
    3299              :    nonzero if it belongs to the global constant pool.  */
    3300              : #define DECL_IN_CONSTANT_POOL(NODE) \
    3301              :   (VAR_DECL_CHECK (NODE)->decl_with_vis.in_constant_pool)
    3302              : 
    3303              : /* Nonzero for a given ..._DECL node means that this node should be
    3304              :    put in .common, if possible.  If a DECL_INITIAL is given, and it
    3305              :    is not error_mark_node, then the decl cannot be put in .common.  */
    3306              : #define DECL_COMMON(NODE) \
    3307              :   (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.common_flag)
    3308              : 
    3309              : /* In a VAR_DECL, nonzero if the decl is a register variable with
    3310              :    an explicit asm specification.  */
    3311              : #define DECL_HARD_REGISTER(NODE)  \
    3312              :   (VAR_DECL_CHECK (NODE)->decl_with_vis.hard_register)
    3313              : 
    3314              :   /* Used to indicate that this DECL has weak linkage.  */
    3315              : #define DECL_WEAK(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.weak_flag)
    3316              : 
    3317              : /* Used to indicate that the DECL is a dllimport.  */
    3318              : #define DECL_DLLIMPORT_P(NODE) \
    3319              :   (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.dllimport_flag)
    3320              : 
    3321              : /* Used in a DECL to indicate that, even if it TREE_PUBLIC, it need
    3322              :    not be put out unless it is needed in this translation unit.
    3323              :    Entities like this are shared across translation units (like weak
    3324              :    entities), but are guaranteed to be generated by any translation
    3325              :    unit that needs them, and therefore need not be put out anywhere
    3326              :    where they are not needed.  DECL_COMDAT is just a hint to the
    3327              :    back-end; it is up to front-ends which set this flag to ensure
    3328              :    that there will never be any harm, other than bloat, in putting out
    3329              :    something which is DECL_COMDAT.  */
    3330              : #define DECL_COMDAT(NODE) \
    3331              :   (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.comdat_flag)
    3332              : 
    3333              : #define DECL_COMDAT_GROUP(NODE) \
    3334              :   decl_comdat_group (NODE)
    3335              : 
    3336              : /* Used in TREE_PUBLIC decls to indicate that copies of this DECL in
    3337              :    multiple translation units should be merged.  */
    3338              : #define DECL_ONE_ONLY(NODE) (DECL_COMDAT_GROUP (NODE) != NULL_TREE \
    3339              :                              && (TREE_PUBLIC (NODE) || DECL_EXTERNAL (NODE)))
    3340              : 
    3341              : /* The name of the object as the assembler will see it (but before any
    3342              :    translations made by ASM_OUTPUT_LABELREF).  Often this is the same
    3343              :    as DECL_NAME.  It is an IDENTIFIER_NODE.
    3344              : 
    3345              :    ASSEMBLER_NAME of TYPE_DECLS may store global name of type used for
    3346              :    One Definition Rule based type merging at LTO.  It is computed only for
    3347              :    LTO compilation and C++.  */
    3348              : #define DECL_ASSEMBLER_NAME(NODE) decl_assembler_name (NODE)
    3349              : 
    3350              : /* Raw accessor for DECL_ASSEMBLE_NAME.  */
    3351              : #define DECL_ASSEMBLER_NAME_RAW(NODE) \
    3352              :   (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.assembler_name)
    3353              : 
    3354              : /* Return true if NODE is a NODE that can contain a DECL_ASSEMBLER_NAME.
    3355              :    This is true of all DECL nodes except FIELD_DECL.  */
    3356              : #define HAS_DECL_ASSEMBLER_NAME_P(NODE) \
    3357              :   (CODE_CONTAINS_STRUCT (TREE_CODE (NODE), TS_DECL_WITH_VIS))
    3358              : 
    3359              : /* Returns nonzero if the DECL_ASSEMBLER_NAME for NODE has been set.  If zero,
    3360              :    the NODE might still have a DECL_ASSEMBLER_NAME -- it just hasn't been set
    3361              :    yet.  */
    3362              : #define DECL_ASSEMBLER_NAME_SET_P(NODE) \
    3363              :   (DECL_ASSEMBLER_NAME_RAW (NODE) != NULL_TREE)
    3364              : 
    3365              : /* Set the DECL_ASSEMBLER_NAME for NODE to NAME.  */
    3366              : #define SET_DECL_ASSEMBLER_NAME(NODE, NAME) \
    3367              :   overwrite_decl_assembler_name (NODE, NAME)
    3368              : 
    3369              : /* Copy the DECL_ASSEMBLER_NAME from SRC_DECL to DST_DECL.  Note that
    3370              :    if SRC_DECL's DECL_ASSEMBLER_NAME has not yet been set, using this
    3371              :    macro will not cause the DECL_ASSEMBLER_NAME to be set, but will
    3372              :    clear DECL_ASSEMBLER_NAME of DST_DECL, if it was already set.  In
    3373              :    other words, the semantics of using this macro, are different than
    3374              :    saying:
    3375              : 
    3376              :      SET_DECL_ASSEMBLER_NAME(DST_DECL, DECL_ASSEMBLER_NAME (SRC_DECL))
    3377              : 
    3378              :    which will try to set the DECL_ASSEMBLER_NAME for SRC_DECL.  */
    3379              : 
    3380              : #define COPY_DECL_ASSEMBLER_NAME(SRC_DECL, DST_DECL)                    \
    3381              :   SET_DECL_ASSEMBLER_NAME (DST_DECL, DECL_ASSEMBLER_NAME_RAW (SRC_DECL))
    3382              : 
    3383              : /* Records the section name in a section attribute.  Used to pass
    3384              :    the name from decl_attributes to make_function_rtl and make_decl_rtl.  */
    3385              : #define DECL_SECTION_NAME(NODE) decl_section_name (NODE)
    3386              : 
    3387              : /* Nonzero in a decl means that the gimplifier has seen (or placed)
    3388              :    this variable in a BIND_EXPR.  */
    3389              : #define DECL_SEEN_IN_BIND_EXPR_P(NODE) \
    3390              :   (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.seen_in_bind_expr)
    3391              : 
    3392              : /* Value of the decls's visibility attribute */
    3393              : #define DECL_VISIBILITY(NODE) \
    3394              :   (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.visibility)
    3395              : 
    3396              : /* Nonzero means that the decl (or an enclosing scope) had its
    3397              :    visibility specified rather than being inferred.  */
    3398              : #define DECL_VISIBILITY_SPECIFIED(NODE) \
    3399              :   (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.visibility_specified)
    3400              : 
    3401              : /* In a VAR_DECL, the model to use if the data should be allocated from
    3402              :    thread-local storage.  */
    3403              : #define DECL_TLS_MODEL(NODE) decl_tls_model (NODE)
    3404              : 
    3405              : /* In a VAR_DECL, nonzero if the data should be allocated from
    3406              :    thread-local storage.  */
    3407              : #define DECL_THREAD_LOCAL_P(NODE) \
    3408              :   ((TREE_STATIC (NODE) || DECL_EXTERNAL (NODE)) && decl_tls_model (NODE) >= TLS_MODEL_REAL)
    3409              : 
    3410              : /* In a non-local VAR_DECL with static storage duration, true if the
    3411              :    variable has an initialization priority.  If false, the variable
    3412              :    will be initialized at the DEFAULT_INIT_PRIORITY.  */
    3413              : #define DECL_HAS_INIT_PRIORITY_P(NODE) \
    3414              :   (VAR_DECL_CHECK (NODE)->decl_with_vis.init_priority_p)
    3415              : 
    3416              : extern tree decl_debug_expr_lookup (tree);
    3417              : extern void decl_debug_expr_insert (tree, tree);
    3418              : 
    3419              : /* For VAR_DECL, this is set to an expression that it was split from.  */
    3420              : #define DECL_HAS_DEBUG_EXPR_P(NODE) \
    3421              :   (VAR_DECL_CHECK (NODE)->decl_common.debug_expr_is_from)
    3422              : #define DECL_DEBUG_EXPR(NODE) \
    3423              :   (decl_debug_expr_lookup (VAR_DECL_CHECK (NODE)))
    3424              : 
    3425              : #define SET_DECL_DEBUG_EXPR(NODE, VAL) \
    3426              :   (decl_debug_expr_insert (VAR_DECL_CHECK (NODE), VAL))
    3427              : 
    3428              : extern priority_type decl_init_priority_lookup (tree);
    3429              : extern priority_type decl_fini_priority_lookup (tree);
    3430              : extern void decl_init_priority_insert (tree, priority_type);
    3431              : extern void decl_fini_priority_insert (tree, priority_type);
    3432              : 
    3433              : /* For a VAR_DECL or FUNCTION_DECL the initialization priority of
    3434              :    NODE.  */
    3435              : #define DECL_INIT_PRIORITY(NODE) \
    3436              :   (decl_init_priority_lookup (NODE))
    3437              : /* Set the initialization priority for NODE to VAL.  */
    3438              : #define SET_DECL_INIT_PRIORITY(NODE, VAL) \
    3439              :   (decl_init_priority_insert (NODE, VAL))
    3440              : 
    3441              : /* For a FUNCTION_DECL the finalization priority of NODE.  */
    3442              : #define DECL_FINI_PRIORITY(NODE) \
    3443              :   (decl_fini_priority_lookup (NODE))
    3444              : /* Set the finalization priority for NODE to VAL.  */
    3445              : #define SET_DECL_FINI_PRIORITY(NODE, VAL) \
    3446              :   (decl_fini_priority_insert (NODE, VAL))
    3447              : 
    3448              : /* The initialization priority for entities for which no explicit
    3449              :    initialization priority has been specified.  */
    3450              : #define DEFAULT_INIT_PRIORITY 65535
    3451              : 
    3452              : /* The maximum allowed initialization priority.  */
    3453              : #define MAX_INIT_PRIORITY 65535
    3454              : 
    3455              : /* The largest priority value reserved for use by system runtime
    3456              :    libraries.  */
    3457              : #define MAX_RESERVED_INIT_PRIORITY 100
    3458              : 
    3459              : /* In a VAR_DECL, nonzero if this is a global variable for VOPs.  */
    3460              : #define VAR_DECL_IS_VIRTUAL_OPERAND(NODE) \
    3461              :   (VAR_DECL_CHECK (NODE)->base.u.bits.saturating_flag)
    3462              : 
    3463              : /* In a VAR_DECL, nonzero if this is a non-local frame structure.  */
    3464              : #define DECL_NONLOCAL_FRAME(NODE)  \
    3465              :   (VAR_DECL_CHECK (NODE)->base.default_def_flag)
    3466              : 
    3467              : /* In a VAR_DECL, nonzero if this variable is not aliased by any pointer.  */
    3468              : #define DECL_NONALIASED(NODE) \
    3469              :   (VAR_DECL_CHECK (NODE)->base.nothrow_flag)
    3470              : 
    3471              : /* In a VAR_DECL, nonzero if this variable is not required to have a distinct
    3472              :    address from other variables with the same constant value.  In other words,
    3473              :    consider -fmerge-all-constants to be on for this VAR_DECL.  */
    3474              : #define DECL_MERGEABLE(NODE) \
    3475              :   (VAR_DECL_CHECK (NODE)->decl_common.decl_flag_3)
    3476              : 
    3477              : /* This field is used to reference anything in decl.result and is meant only
    3478              :    for use by the garbage collector.  */
    3479              : #define DECL_RESULT_FLD(NODE) \
    3480              :   (DECL_NON_COMMON_CHECK (NODE)->decl_non_common.result)
    3481              : 
    3482              : /* The DECL_VINDEX is used for FUNCTION_DECLS in two different ways.
    3483              :    Before the struct containing the FUNCTION_DECL is laid out,
    3484              :    DECL_VINDEX may point to a FUNCTION_DECL in a base class which
    3485              :    is the FUNCTION_DECL which this FUNCTION_DECL will replace as a virtual
    3486              :    function.  When the class is laid out, this pointer is changed
    3487              :    to an INTEGER_CST node which is suitable for use as an index
    3488              :    into the virtual function table. */
    3489              : #define DECL_VINDEX(NODE) \
    3490              :   (FUNCTION_DECL_CHECK (NODE)->function_decl.vindex)
    3491              : 
    3492              : /* In FUNCTION_DECL, holds the decl for the return value.  */
    3493              : #define DECL_RESULT(NODE) (FUNCTION_DECL_CHECK (NODE)->decl_non_common.result)
    3494              : 
    3495              : /* In a FUNCTION_DECL, nonzero if the function cannot be inlined.  */
    3496              : #define DECL_UNINLINABLE(NODE) \
    3497              :   (FUNCTION_DECL_CHECK (NODE)->function_decl.uninlinable)
    3498              : 
    3499              : /* In a FUNCTION_DECL, the saved representation of the body of the
    3500              :    entire function.  */
    3501              : #define DECL_SAVED_TREE(NODE) \
    3502              :   (FUNCTION_DECL_CHECK (NODE)->function_decl.saved_tree)
    3503              : 
    3504              : /* Nonzero in a FUNCTION_DECL means this function should be treated
    3505              :    as if it were a malloc, meaning it returns a pointer that is
    3506              :    not an alias.  */
    3507              : #define DECL_IS_MALLOC(NODE) \
    3508              :   (FUNCTION_DECL_CHECK (NODE)->function_decl.malloc_flag)
    3509              : 
    3510              : /* Macro for direct set and get of function_decl.decl_type.  */
    3511              : #define FUNCTION_DECL_DECL_TYPE(NODE) \
    3512              :   (NODE->function_decl.decl_type)
    3513              : 
    3514              : /* Set decl_type of a DECL.  Set it to T when SET is true, or reset
    3515              :    it to NONE.  */
    3516              : 
    3517              : inline void
    3518      3234878 : set_function_decl_type (tree decl, function_decl_type t, bool set)
    3519              : {
    3520      3234878 :   if (set)
    3521              :     {
    3522      2654703 :       gcc_assert (FUNCTION_DECL_DECL_TYPE (decl) == function_decl_type::NONE
    3523              :                   || FUNCTION_DECL_DECL_TYPE (decl) == t);
    3524      2654703 :       FUNCTION_DECL_DECL_TYPE (decl) = t;
    3525              :     }
    3526       580175 :   else if (FUNCTION_DECL_DECL_TYPE (decl) == t)
    3527           59 :     FUNCTION_DECL_DECL_TYPE (decl) = function_decl_type::NONE;
    3528      3234878 : }
    3529              : 
    3530              : /* Nonzero in a FUNCTION_DECL means this function is a replaceable
    3531              :    function (like replaceable operators new or delete).  */
    3532              : #define DECL_IS_REPLACEABLE_OPERATOR(NODE)\
    3533              :    (FUNCTION_DECL_CHECK (NODE)->function_decl.replaceable_operator)
    3534              : 
    3535              : /* Nonzero in a FUNCTION_DECL means this function should be treated as
    3536              :    C++ operator new, meaning that it returns a pointer for which we
    3537              :    should not use type based aliasing.  */
    3538              : #define DECL_IS_OPERATOR_NEW_P(NODE) \
    3539              :   (FUNCTION_DECL_DECL_TYPE (FUNCTION_DECL_CHECK (NODE)) \
    3540              :    == function_decl_type::OPERATOR_NEW)
    3541              : 
    3542              : #define DECL_IS_REPLACEABLE_OPERATOR_NEW_P(NODE) \
    3543              :   (DECL_IS_OPERATOR_NEW_P (NODE) && DECL_IS_REPLACEABLE_OPERATOR (NODE))
    3544              : 
    3545              : #define DECL_SET_IS_OPERATOR_NEW(NODE, VAL) \
    3546              :   set_function_decl_type (FUNCTION_DECL_CHECK (NODE), \
    3547              :                           function_decl_type::OPERATOR_NEW, VAL)
    3548              : 
    3549              : /* Nonzero in a FUNCTION_DECL means this function should be treated as
    3550              :    C++ operator delete.  */
    3551              : #define DECL_IS_OPERATOR_DELETE_P(NODE) \
    3552              :   (FUNCTION_DECL_DECL_TYPE (FUNCTION_DECL_CHECK (NODE)) \
    3553              :    == function_decl_type::OPERATOR_DELETE)
    3554              : 
    3555              : #define DECL_SET_IS_OPERATOR_DELETE(NODE, VAL) \
    3556              :   set_function_decl_type (FUNCTION_DECL_CHECK (NODE), \
    3557              :                           function_decl_type::OPERATOR_DELETE, VAL)
    3558              : 
    3559              : /* Nonzero in a FUNCTION_DECL means this function may return more
    3560              :    than once.  */
    3561              : #define DECL_IS_RETURNS_TWICE(NODE) \
    3562              :   (FUNCTION_DECL_CHECK (NODE)->function_decl.returns_twice_flag)
    3563              : 
    3564              : /* Nonzero in a FUNCTION_DECL means this function should be treated
    3565              :    as "pure" function (like const function, but may read global memory).
    3566              :    Note that being pure or const for a function is orthogonal to being
    3567              :    nothrow, i.e. it is valid to have DECL_PURE_P set and TREE_NOTHROW
    3568              :    cleared.  */
    3569              : #define DECL_PURE_P(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.pure_flag)
    3570              : 
    3571              : /* Nonzero only if one of TREE_READONLY or DECL_PURE_P is nonzero AND
    3572              :    the const or pure function may not terminate.  When this is nonzero
    3573              :    for a const or pure function, it can be dealt with by cse passes
    3574              :    but cannot be removed by dce passes since you are not allowed to
    3575              :    change an infinite looping program into one that terminates without
    3576              :    error.  */
    3577              : #define DECL_LOOPING_CONST_OR_PURE_P(NODE) \
    3578              :   (FUNCTION_DECL_CHECK (NODE)->function_decl.looping_const_or_pure_flag)
    3579              : 
    3580              : /* Nonzero in a FUNCTION_DECL means this function should be treated
    3581              :    as "novops" function (function that does not read global memory,
    3582              :    but may have arbitrary side effects).  */
    3583              : #define DECL_IS_NOVOPS(NODE) \
    3584              :   (FUNCTION_DECL_CHECK (NODE)->function_decl.novops_flag)
    3585              : 
    3586              : /* Used in FUNCTION_DECLs to indicate that they should be run automatically
    3587              :    at the beginning or end of execution.  */
    3588              : #define DECL_STATIC_CONSTRUCTOR(NODE) \
    3589              :   (FUNCTION_DECL_CHECK (NODE)->function_decl.static_ctor_flag)
    3590              : 
    3591              : #define DECL_STATIC_DESTRUCTOR(NODE) \
    3592              : (FUNCTION_DECL_CHECK (NODE)->function_decl.static_dtor_flag)
    3593              : 
    3594              : /* Used in FUNCTION_DECLs to indicate that function entry and exit should
    3595              :    be instrumented with calls to support routines.  */
    3596              : #define DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT(NODE) \
    3597              :   (FUNCTION_DECL_CHECK (NODE)->function_decl.no_instrument_function_entry_exit)
    3598              : 
    3599              : /* Used in FUNCTION_DECLs to indicate that limit-stack-* should be
    3600              :    disabled in this function.  */
    3601              : #define DECL_NO_LIMIT_STACK(NODE) \
    3602              :   (FUNCTION_DECL_CHECK (NODE)->function_decl.no_limit_stack)
    3603              : 
    3604              : /* In a FUNCTION_DECL indicates that a static chain is needed.  */
    3605              : #define DECL_STATIC_CHAIN(NODE) \
    3606              :   (FUNCTION_DECL_CHECK (NODE)->decl_with_vis.regdecl_flag)
    3607              : 
    3608              : /* Nonzero for a decl that cgraph has decided should be inlined into
    3609              :    at least one call site.  It is not meaningful to look at this
    3610              :    directly; always use cgraph_function_possibly_inlined_p.  */
    3611              : #define DECL_POSSIBLY_INLINED(DECL) \
    3612              :   FUNCTION_DECL_CHECK (DECL)->function_decl.possibly_inlined
    3613              : 
    3614              : /* Nonzero in a FUNCTION_DECL means that this function was declared inline,
    3615              :    such as via the `inline' keyword in C/C++.  This flag controls the linkage
    3616              :    semantics of 'inline'  */
    3617              : #define DECL_DECLARED_INLINE_P(NODE) \
    3618              :   (FUNCTION_DECL_CHECK (NODE)->function_decl.declared_inline_flag)
    3619              : 
    3620              : /* Nonzero in a FUNCTION_DECL means this function should not get
    3621              :    -Winline warnings.  */
    3622              : #define DECL_NO_INLINE_WARNING_P(NODE) \
    3623              :   (FUNCTION_DECL_CHECK (NODE)->function_decl.no_inline_warning_flag)
    3624              : 
    3625              : /* Nonzero if a FUNCTION_CODE is a TM load/store.  */
    3626              : #define BUILTIN_TM_LOAD_STORE_P(FN) \
    3627              :   ((FN) >= BUILT_IN_TM_STORE_1 && (FN) <= BUILT_IN_TM_LOAD_RFW_LDOUBLE)
    3628              : 
    3629              : /* Nonzero if a FUNCTION_CODE is a TM load.  */
    3630              : #define BUILTIN_TM_LOAD_P(FN) \
    3631              :   ((FN) >= BUILT_IN_TM_LOAD_1 && (FN) <= BUILT_IN_TM_LOAD_RFW_LDOUBLE)
    3632              : 
    3633              : /* Nonzero if a FUNCTION_CODE is a TM store.  */
    3634              : #define BUILTIN_TM_STORE_P(FN) \
    3635              :   ((FN) >= BUILT_IN_TM_STORE_1 && (FN) <= BUILT_IN_TM_STORE_WAW_LDOUBLE)
    3636              : 
    3637              : #define CASE_BUILT_IN_TM_LOAD(FN)       \
    3638              :   case BUILT_IN_TM_LOAD_##FN:           \
    3639              :   case BUILT_IN_TM_LOAD_RAR_##FN:       \
    3640              :   case BUILT_IN_TM_LOAD_RAW_##FN:       \
    3641              :   case BUILT_IN_TM_LOAD_RFW_##FN
    3642              : 
    3643              : #define CASE_BUILT_IN_TM_STORE(FN)      \
    3644              :   case BUILT_IN_TM_STORE_##FN:          \
    3645              :   case BUILT_IN_TM_STORE_WAR_##FN:      \
    3646              :   case BUILT_IN_TM_STORE_WAW_##FN
    3647              : 
    3648              : /* Nonzero in a FUNCTION_DECL that should be always inlined by the inliner
    3649              :    disregarding size and cost heuristics.  This is equivalent to using
    3650              :    the always_inline attribute without the required diagnostics if the
    3651              :    function cannot be inlined.  */
    3652              : #define DECL_DISREGARD_INLINE_LIMITS(NODE) \
    3653              :   (FUNCTION_DECL_CHECK (NODE)->function_decl.disregard_inline_limits)
    3654              : 
    3655              : extern vec<tree, va_gc> **decl_debug_args_lookup (tree);
    3656              : extern vec<tree, va_gc> **decl_debug_args_insert (tree);
    3657              : 
    3658              : /* Nonzero if a FUNCTION_DECL has DEBUG arguments attached to it.  */
    3659              : #define DECL_HAS_DEBUG_ARGS_P(NODE) \
    3660              :   (FUNCTION_DECL_CHECK (NODE)->function_decl.has_debug_args_flag)
    3661              : 
    3662              : /* For FUNCTION_DECL, this holds a pointer to a structure ("struct function")
    3663              :    that describes the status of this function.  */
    3664              : #define DECL_STRUCT_FUNCTION(NODE) \
    3665              :   (FUNCTION_DECL_CHECK (NODE)->function_decl.f)
    3666              : 
    3667              : /* For a builtin function, identify which part of the compiler defined it.  */
    3668              : #define DECL_BUILT_IN_CLASS(NODE) \
    3669              :    ((built_in_class) FUNCTION_DECL_CHECK (NODE)->function_decl.built_in_class)
    3670              : 
    3671              : /* In FUNCTION_DECL, a chain of ..._DECL nodes.  */
    3672              : #define DECL_ARGUMENTS(NODE) \
    3673              :    (FUNCTION_DECL_CHECK (NODE)->function_decl.arguments)
    3674              : 
    3675              : /* In FUNCTION_DECL, the function specific target options to use when compiling
    3676              :    this function.  */
    3677              : #define DECL_FUNCTION_SPECIFIC_TARGET(NODE) \
    3678              :    (FUNCTION_DECL_CHECK (NODE)->function_decl.function_specific_target)
    3679              : 
    3680              : /* In FUNCTION_DECL, the function specific optimization options to use when
    3681              :    compiling this function.  */
    3682              : #define DECL_FUNCTION_SPECIFIC_OPTIMIZATION(NODE) \
    3683              :    (FUNCTION_DECL_CHECK (NODE)->function_decl.function_specific_optimization)
    3684              : 
    3685              : /* In FUNCTION_DECL, this is set if this function has other versions generated
    3686              :    to support different architecture feature sets, e.g. using "target" or
    3687              :    "target_version" attributes.  */
    3688              : #define DECL_FUNCTION_VERSIONED(NODE)\
    3689              :    (FUNCTION_DECL_CHECK (NODE)->function_decl.versioned_function)
    3690              : 
    3691              : /* In FUNCTION_DECL, this is set if this function is a C++ constructor.
    3692              :    Devirtualization machinery uses this knowledge for determing type of the
    3693              :    object constructed.  Also we assume that constructor address is not
    3694              :    important.  */
    3695              : #define DECL_CXX_CONSTRUCTOR_P(NODE)\
    3696              :    (FUNCTION_DECL_CHECK (NODE)->decl_with_vis.cxx_constructor)
    3697              : 
    3698              : /* In FUNCTION_DECL, this is set if this function is a C++ destructor.
    3699              :    Devirtualization machinery uses this to track types in destruction.  */
    3700              : #define DECL_CXX_DESTRUCTOR_P(NODE)\
    3701              :    (FUNCTION_DECL_CHECK (NODE)->decl_with_vis.cxx_destructor)
    3702              : 
    3703              : /* In FUNCTION_DECL, this is set if this function is a lambda function.  */
    3704              : #define DECL_LAMBDA_FUNCTION_P(NODE) \
    3705              :   (FUNCTION_DECL_DECL_TYPE (FUNCTION_DECL_CHECK (NODE)) \
    3706              :    == function_decl_type::LAMBDA_FUNCTION)
    3707              : 
    3708              : #define DECL_SET_LAMBDA_FUNCTION(NODE, VAL) \
    3709              :   set_function_decl_type (FUNCTION_DECL_CHECK (NODE), \
    3710              :                           function_decl_type::LAMBDA_FUNCTION, VAL)
    3711              : 
    3712              : /* In FUNCTION_DECL that represent an virtual method this is set when
    3713              :    the method is final.  */
    3714              : #define DECL_FINAL_P(NODE)\
    3715              :    (FUNCTION_DECL_CHECK (NODE)->decl_with_vis.final)
    3716              : 
    3717              : /* The source language of the translation-unit.  */
    3718              : #define TRANSLATION_UNIT_LANGUAGE(NODE) \
    3719              :   (TRANSLATION_UNIT_DECL_CHECK (NODE)->translation_unit_decl.language)
    3720              : 
    3721              : /* TRANSLATION_UNIT_DECL inherits from DECL_MINIMAL.  */
    3722              : 
    3723              : /* For a TYPE_DECL, holds the "original" type.  (TREE_TYPE has the copy.) */
    3724              : #define DECL_ORIGINAL_TYPE(NODE) \
    3725              :   (TYPE_DECL_CHECK (NODE)->decl_non_common.result)
    3726              : 
    3727              : /* In a TYPE_DECL nonzero means the detail info about this type is not dumped
    3728              :    into stabs.  Instead it will generate cross reference ('x') of names.
    3729              :    This uses the same flag as DECL_EXTERNAL.  */
    3730              : #define TYPE_DECL_SUPPRESS_DEBUG(NODE) \
    3731              :   (TYPE_DECL_CHECK (NODE)->decl_common.decl_flag_1)
    3732              : 
    3733              : /* Getter of the imported declaration associated to the
    3734              :    IMPORTED_DECL node.  */
    3735              : #define IMPORTED_DECL_ASSOCIATED_DECL(NODE) \
    3736              : (DECL_INITIAL (IMPORTED_DECL_CHECK (NODE)))
    3737              : 
    3738              : /* Getter of the symbol declaration associated with the
    3739              :    NAMELIST_DECL node.  */
    3740              : #define NAMELIST_DECL_ASSOCIATED_DECL(NODE) \
    3741              :   (DECL_INITIAL (NODE))
    3742              : 
    3743              : /* A STATEMENT_LIST chains statements together in GENERIC and GIMPLE.
    3744              :    To reduce overhead, the nodes containing the statements are not trees.
    3745              :    This avoids the overhead of tree_common on all linked list elements.
    3746              : 
    3747              :    Use the interface in tree-iterator.h to access this node.  */
    3748              : 
    3749              : #define STATEMENT_LIST_HEAD(NODE) \
    3750              :   (STATEMENT_LIST_CHECK (NODE)->stmt_list.head)
    3751              : #define STATEMENT_LIST_TAIL(NODE) \
    3752              :   (STATEMENT_LIST_CHECK (NODE)->stmt_list.tail)
    3753              : 
    3754              : #define TREE_OPTIMIZATION(NODE) \
    3755              :   (OPTIMIZATION_NODE_CHECK (NODE)->optimization.opts)
    3756              : 
    3757              : #define TREE_OPTIMIZATION_OPTABS(NODE) \
    3758              :   (OPTIMIZATION_NODE_CHECK (NODE)->optimization.optabs)
    3759              : 
    3760              : #define TREE_OPTIMIZATION_BASE_OPTABS(NODE) \
    3761              :   (OPTIMIZATION_NODE_CHECK (NODE)->optimization.base_optabs)
    3762              : 
    3763              : /* Return a tree node that encapsulates the optimization options in OPTS
    3764              :    and OPTS_SET.  */
    3765              : extern tree build_optimization_node (struct gcc_options *opts,
    3766              :                                      struct gcc_options *opts_set);
    3767              : 
    3768              : #define TREE_TARGET_OPTION(NODE) \
    3769              :   (TARGET_OPTION_NODE_CHECK (NODE)->target_option.opts)
    3770              : 
    3771              : #define TREE_TARGET_GLOBALS(NODE) \
    3772              :   (TARGET_OPTION_NODE_CHECK (NODE)->target_option.globals)
    3773              : 
    3774              : /* Return a tree node that encapsulates the target options in OPTS and
    3775              :    OPTS_SET.  */
    3776              : extern tree build_target_option_node (struct gcc_options *opts,
    3777              :                                       struct gcc_options *opts_set);
    3778              : 
    3779              : extern void prepare_target_option_nodes_for_pch (void);
    3780              : 
    3781              : #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
    3782              : 
    3783              : inline tree
    3784  >73868*10^7 : tree_check (tree __t, const char *__f, int __l, const char *__g, tree_code __c)
    3785              : {
    3786  >69255*10^7 :   if (TREE_CODE (__t) != __c)
    3787            0 :     tree_check_failed (__t, __f, __l, __g, __c, 0);
    3788  >62736*10^7 :   return __t;
    3789              : }
    3790              : 
    3791              : inline tree
    3792  >10880*10^7 : tree_not_check (tree __t, const char *__f, int __l, const char *__g,
    3793              :                 enum tree_code __c)
    3794              : {
    3795  65256147442 :   if (TREE_CODE (__t) == __c)
    3796            0 :     tree_not_check_failed (__t, __f, __l, __g, __c, 0);
    3797  64921103934 :   return __t;
    3798              : }
    3799              : 
    3800              : inline tree
    3801  42658392657 : tree_check2 (tree __t, const char *__f, int __l, const char *__g,
    3802              :              enum tree_code __c1, enum tree_code __c2)
    3803              : {
    3804  42658392657 :   if (TREE_CODE (__t) != __c1
    3805  18884066953 :       && TREE_CODE (__t) != __c2)
    3806            0 :     tree_check_failed (__t, __f, __l, __g, __c1, __c2, 0);
    3807  42658392657 :   return __t;
    3808              : }
    3809              : 
    3810              : inline tree
    3811  >20069*10^7 : tree_not_check2 (tree __t, const char *__f, int __l, const char *__g,
    3812              :                  enum tree_code __c1, enum tree_code __c2)
    3813              : {
    3814  >20069*10^7 :   if (TREE_CODE (__t) == __c1
    3815  >20069*10^7 :       || TREE_CODE (__t) == __c2)
    3816            0 :     tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, 0);
    3817  >20069*10^7 :   return __t;
    3818              : }
    3819              : 
    3820              : inline tree
    3821  70812611584 : tree_check3 (tree __t, const char *__f, int __l, const char *__g,
    3822              :              enum tree_code __c1, enum tree_code __c2, enum tree_code __c3)
    3823              : {
    3824  70812611584 :   if (TREE_CODE (__t) != __c1
    3825   2395824420 :       && TREE_CODE (__t) != __c2
    3826    614943728 :       && TREE_CODE (__t) != __c3)
    3827            0 :     tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, 0);
    3828  70812611584 :   return __t;
    3829              : }
    3830              : 
    3831              : inline tree
    3832              : tree_not_check3 (tree __t, const char *__f, int __l, const char *__g,
    3833              :                  enum tree_code __c1, enum tree_code __c2, enum tree_code __c3)
    3834              : {
    3835              :   if (TREE_CODE (__t) == __c1
    3836              :       || TREE_CODE (__t) == __c2
    3837              :       || TREE_CODE (__t) == __c3)
    3838              :     tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, 0);
    3839              :   return __t;
    3840              : }
    3841              : 
    3842              : inline tree
    3843  14501100063 : tree_check4 (tree __t, const char *__f, int __l, const char *__g,
    3844              :              enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    3845              :              enum tree_code __c4)
    3846              : {
    3847  14501100063 :   if (TREE_CODE (__t) != __c1
    3848  12306341003 :       && TREE_CODE (__t) != __c2
    3849  12263625686 :       && TREE_CODE (__t) != __c3
    3850  12248858107 :       && TREE_CODE (__t) != __c4)
    3851            0 :     tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, 0);
    3852  14501100063 :   return __t;
    3853              : }
    3854              : 
    3855              : inline tree
    3856    786569983 : tree_not_check4 (tree __t, const char *__f, int __l, const char *__g,
    3857              :                  enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    3858              :                  enum tree_code __c4)
    3859              : {
    3860    786569983 :   if (TREE_CODE (__t) == __c1
    3861    786569983 :       || TREE_CODE (__t) == __c2
    3862    786569983 :       || TREE_CODE (__t) == __c3
    3863    786569983 :       || TREE_CODE (__t) == __c4)
    3864            0 :     tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, 0);
    3865    786569983 :   return __t;
    3866              : }
    3867              : 
    3868              : inline tree
    3869   1310853819 : tree_check5 (tree __t, const char *__f, int __l, const char *__g,
    3870              :              enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    3871              :              enum tree_code __c4, enum tree_code __c5)
    3872              : {
    3873   1310853819 :   if (TREE_CODE (__t) != __c1
    3874   1269294435 :       && TREE_CODE (__t) != __c2
    3875    453659420 :       && TREE_CODE (__t) != __c3
    3876    354371626 :       && TREE_CODE (__t) != __c4
    3877       438143 :       && TREE_CODE (__t) != __c5)
    3878            0 :     tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, __c5, 0);
    3879   1310853819 :   return __t;
    3880              : }
    3881              : 
    3882              : inline tree
    3883              : tree_not_check5 (tree __t, const char *__f, int __l, const char *__g,
    3884              :                  enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    3885              :                  enum tree_code __c4, enum tree_code __c5)
    3886              : {
    3887              :   if (TREE_CODE (__t) == __c1
    3888              :       || TREE_CODE (__t) == __c2
    3889              :       || TREE_CODE (__t) == __c3
    3890              :       || TREE_CODE (__t) == __c4
    3891              :       || TREE_CODE (__t) == __c5)
    3892              :     tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, __c5, 0);
    3893              :   return __t;
    3894              : }
    3895              : 
    3896              : inline tree
    3897   8780648556 : tree_check6 (tree __t, const char *__f, int __l, const char *__g,
    3898              :              enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    3899              :              enum tree_code __c4, enum tree_code __c5, enum tree_code __c6)
    3900              : {
    3901   8780648556 :   if (TREE_CODE (__t) != __c1
    3902    390074535 :       && TREE_CODE (__t) != __c2
    3903    299005535 :       && TREE_CODE (__t) != __c3
    3904    104176370 :       && TREE_CODE (__t) != __c4
    3905       552090 :       && TREE_CODE (__t) != __c5
    3906       552090 :       && TREE_CODE (__t) != __c6)
    3907            0 :     tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, __c5, __c6,
    3908              :                        0);
    3909   8780648556 :   return __t;
    3910              : }
    3911              : 
    3912              : inline tree
    3913              : tree_not_check6 (tree __t, const char *__f, int __l, const char *__g,
    3914              :                  enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    3915              :                  enum tree_code __c4, enum tree_code __c5, enum tree_code __c6)
    3916              : {
    3917              :   if (TREE_CODE (__t) == __c1
    3918              :       || TREE_CODE (__t) == __c2
    3919              :       || TREE_CODE (__t) == __c3
    3920              :       || TREE_CODE (__t) == __c4
    3921              :       || TREE_CODE (__t) == __c5
    3922              :       || TREE_CODE (__t) == __c6)
    3923              :     tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, __c5,
    3924              :                            __c6, 0);
    3925              :   return __t;
    3926              : }
    3927              : 
    3928              : inline tree
    3929  >13880*10^8 : contains_struct_check (tree __t, const enum tree_node_structure_enum __s,
    3930              :                        const char *__f, int __l, const char *__g)
    3931              : {
    3932  >13880*10^8 :   if (tree_contains_struct[TREE_CODE (__t)][__s] != 1)
    3933            0 :       tree_contains_struct_check_failed (__t, __s, __f, __l, __g);
    3934  >13880*10^8 :   return __t;
    3935              : }
    3936              : 
    3937              : inline tree
    3938  >88762*10^7 : tree_class_check (tree __t, const enum tree_code_class __class,
    3939              :                   const char *__f, int __l, const char *__g)
    3940              : {
    3941  >88762*10^7 :   if (TREE_CODE_CLASS (TREE_CODE (__t)) != __class)
    3942            0 :     tree_class_check_failed (__t, __class, __f, __l, __g);
    3943  >88762*10^7 :   return __t;
    3944              : }
    3945              : 
    3946              : inline tree
    3947      4775195 : tree_range_check (tree __t,
    3948              :                   enum tree_code __code1, enum tree_code __code2,
    3949              :                   const char *__f, int __l, const char *__g)
    3950              : {
    3951      4775195 :   if (TREE_CODE (__t) < __code1 || TREE_CODE (__t) > __code2)
    3952            0 :     tree_range_check_failed (__t, __f, __l, __g, __code1, __code2);
    3953      4775195 :   return __t;
    3954              : }
    3955              : 
    3956              : inline tree
    3957      6923781 : omp_clause_subcode_check (tree __t, enum omp_clause_code __code,
    3958              :                           const char *__f, int __l, const char *__g)
    3959              : {
    3960      6923781 :   if (TREE_CODE (__t) != OMP_CLAUSE)
    3961            0 :     tree_check_failed (__t, __f, __l, __g, OMP_CLAUSE, 0);
    3962      6923781 :   if (__t->omp_clause.code != __code)
    3963            0 :     omp_clause_check_failed (__t, __f, __l, __g, __code);
    3964      6923781 :   return __t;
    3965              : }
    3966              : 
    3967              : inline tree
    3968      5241632 : omp_clause_range_check (tree __t,
    3969              :                         enum omp_clause_code __code1,
    3970              :                         enum omp_clause_code __code2,
    3971              :                         const char *__f, int __l, const char *__g)
    3972              : {
    3973      5241632 :   if (TREE_CODE (__t) != OMP_CLAUSE)
    3974            0 :     tree_check_failed (__t, __f, __l, __g, OMP_CLAUSE, 0);
    3975      5241632 :   if ((int) __t->omp_clause.code < (int) __code1
    3976      5241632 :       || (int) __t->omp_clause.code > (int) __code2)
    3977            0 :     omp_clause_range_check_failed (__t, __f, __l, __g, __code1, __code2);
    3978      5241632 :   return __t;
    3979              : }
    3980              : 
    3981              : /* These checks have to be special cased.  */
    3982              : 
    3983              : inline tree
    3984  >18795*10^7 : expr_check (tree __t, const char *__f, int __l, const char *__g)
    3985              : {
    3986  >18795*10^7 :   char const __c = TREE_CODE_CLASS (TREE_CODE (__t));
    3987  >18795*10^7 :   if (!IS_EXPR_CODE_CLASS (__c))
    3988            0 :     tree_class_check_failed (__t, tcc_expression, __f, __l, __g);
    3989  >18795*10^7 :   return __t;
    3990              : }
    3991              : 
    3992              : /* These checks have to be special cased.  */
    3993              : 
    3994              : inline tree
    3995  57613673176 : non_type_check (tree __t, const char *__f, int __l, const char *__g)
    3996              : {
    3997  57613673176 :   if (TYPE_P (__t))
    3998            0 :     tree_not_class_check_failed (__t, tcc_type, __f, __l, __g);
    3999  57613673176 :   return __t;
    4000              : }
    4001              : 
    4002              : inline const HOST_WIDE_INT *
    4003  55735087982 : tree_int_cst_elt_check (const_tree __t, int __i,
    4004              :                         const char *__f, int __l, const char *__g)
    4005              : {
    4006  55735087982 :   if (TREE_CODE (__t) != INTEGER_CST)
    4007            0 :     tree_check_failed (__t, __f, __l, __g, INTEGER_CST, 0);
    4008  55735087982 :   if (__i < 0 || __i >= __t->base.u.int_length.extended)
    4009            0 :     tree_int_cst_elt_check_failed (__i, __t->base.u.int_length.extended,
    4010              :                                    __f, __l, __g);
    4011  55735087982 :   return &const_cast<tree> (__t)->int_cst.val[__i];
    4012              : }
    4013              : 
    4014              : inline HOST_WIDE_INT *
    4015  32575653758 : tree_int_cst_elt_check (tree __t, int __i,
    4016              :                         const char *__f, int __l, const char *__g)
    4017              : {
    4018  32575653758 :   if (TREE_CODE (__t) != INTEGER_CST)
    4019            0 :     tree_check_failed (__t, __f, __l, __g, INTEGER_CST, 0);
    4020  32575653758 :   if (__i < 0 || __i >= __t->base.u.int_length.extended)
    4021            0 :     tree_int_cst_elt_check_failed (__i, __t->base.u.int_length.extended,
    4022              :                                    __f, __l, __g);
    4023  32575653758 :   return &const_cast<tree> (__t)->int_cst.val[__i];
    4024              : }
    4025              : 
    4026              : /* Workaround -Wstrict-overflow false positive during profiledbootstrap.  */
    4027              : 
    4028              : # if GCC_VERSION >= 4006
    4029              : #pragma GCC diagnostic push
    4030              : #pragma GCC diagnostic ignored "-Wstrict-overflow"
    4031              : #endif
    4032              : 
    4033              : inline tree *
    4034  >10634*10^7 : tree_vec_elt_check (tree __t, int __i,
    4035              :                     const char *__f, int __l, const char *__g)
    4036              : {
    4037  >10634*10^7 :   if (TREE_CODE (__t) != TREE_VEC)
    4038            0 :     tree_check_failed (__t, __f, __l, __g, TREE_VEC, 0);
    4039  >10634*10^7 :   if (__i < 0 || __i >= __t->base.u.length)
    4040            0 :     tree_vec_elt_check_failed (__i, __t->base.u.length, __f, __l, __g);
    4041  >10634*10^7 :   return &const_cast<tree> (__t)->vec.a[__i];
    4042              : }
    4043              : 
    4044              : # if GCC_VERSION >= 4006
    4045              : #pragma GCC diagnostic pop
    4046              : #endif
    4047              : 
    4048              : inline tree *
    4049      9005376 : omp_clause_elt_check (tree __t, int __i,
    4050              :                       const char *__f, int __l, const char *__g)
    4051              : {
    4052      9005376 :   if (TREE_CODE (__t) != OMP_CLAUSE)
    4053            0 :     tree_check_failed (__t, __f, __l, __g, OMP_CLAUSE, 0);
    4054      9005376 :   if (__i < 0 || __i >= omp_clause_num_ops [__t->omp_clause.code])
    4055            0 :     omp_clause_operand_check_failed (__i, __t, __f, __l, __g);
    4056      9005376 :   return &__t->omp_clause.ops[__i];
    4057              : }
    4058              : 
    4059              : /* These checks have to be special cased.  */
    4060              : 
    4061              : inline tree
    4062   2956398812 : any_integral_type_check (tree __t, const char *__f, int __l, const char *__g)
    4063              : {
    4064   2956398812 :   if (!ANY_INTEGRAL_TYPE_P (__t))
    4065            0 :     tree_check_failed (__t, __f, __l, __g, BOOLEAN_TYPE, ENUMERAL_TYPE,
    4066              :                        INTEGER_TYPE, BITINT_TYPE, 0);
    4067   2956398812 :   return __t;
    4068              : }
    4069              : 
    4070              : inline const_tree
    4071  >14152*10^7 : tree_check (const_tree __t, const char *__f, int __l, const char *__g,
    4072              :             tree_code __c)
    4073              : {
    4074  85518612475 :   if (TREE_CODE (__t) != __c)
    4075            0 :     tree_check_failed (__t, __f, __l, __g, __c, 0);
    4076  98791080476 :   return __t;
    4077              : }
    4078              : 
    4079              : inline const_tree
    4080  19152505681 : tree_not_check (const_tree __t, const char *__f, int __l, const char *__g,
    4081              :                 enum tree_code __c)
    4082              : {
    4083  16345304049 :   if (TREE_CODE (__t) == __c)
    4084            0 :     tree_not_check_failed (__t, __f, __l, __g, __c, 0);
    4085   9135600771 :   return __t;
    4086              : }
    4087              : 
    4088              : inline const_tree
    4089  16103148968 : tree_check2 (const_tree __t, const char *__f, int __l, const char *__g,
    4090              :              enum tree_code __c1, enum tree_code __c2)
    4091              : {
    4092  16103148968 :   if (TREE_CODE (__t) != __c1
    4093   8546551838 :       && TREE_CODE (__t) != __c2)
    4094            0 :     tree_check_failed (__t, __f, __l, __g, __c1, __c2, 0);
    4095  16103148968 :   return __t;
    4096              : }
    4097              : 
    4098              : inline const_tree
    4099   3385226120 : tree_not_check2 (const_tree __t, const char *__f, int __l, const char *__g,
    4100              :                  enum tree_code __c1, enum tree_code __c2)
    4101              : {
    4102   3385226120 :   if (TREE_CODE (__t) == __c1
    4103   3385226120 :       || TREE_CODE (__t) == __c2)
    4104            0 :     tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, 0);
    4105   3385226120 :   return __t;
    4106              : }
    4107              : 
    4108              : inline const_tree
    4109  10544733657 : tree_check3 (const_tree __t, const char *__f, int __l, const char *__g,
    4110              :              enum tree_code __c1, enum tree_code __c2, enum tree_code __c3)
    4111              : {
    4112  10544733657 :   if (TREE_CODE (__t) != __c1
    4113    348115680 :       && TREE_CODE (__t) != __c2
    4114    142459303 :       && TREE_CODE (__t) != __c3)
    4115            0 :     tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, 0);
    4116  10544733657 :   return __t;
    4117              : }
    4118              : 
    4119              : inline const_tree
    4120              : tree_not_check3 (const_tree __t, const char *__f, int __l, const char *__g,
    4121              :                  enum tree_code __c1, enum tree_code __c2, enum tree_code __c3)
    4122              : {
    4123              :   if (TREE_CODE (__t) == __c1
    4124              :       || TREE_CODE (__t) == __c2
    4125              :       || TREE_CODE (__t) == __c3)
    4126              :     tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, 0);
    4127              :   return __t;
    4128              : }
    4129              : 
    4130              : inline const_tree
    4131    350536116 : tree_check4 (const_tree __t, const char *__f, int __l, const char *__g,
    4132              :              enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    4133              :              enum tree_code __c4)
    4134              : {
    4135    350536116 :   if (TREE_CODE (__t) != __c1
    4136     21590325 :       && TREE_CODE (__t) != __c2
    4137      2742833 :       && TREE_CODE (__t) != __c3
    4138      2742833 :       && TREE_CODE (__t) != __c4)
    4139            0 :     tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, 0);
    4140    350536116 :   return __t;
    4141              : }
    4142              : 
    4143              : inline const_tree
    4144    117693787 : tree_not_check4 (const_tree __t, const char *__f, int __l, const char *__g,
    4145              :                  enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    4146              :                  enum tree_code __c4)
    4147              : {
    4148    117693787 :   if (TREE_CODE (__t) == __c1
    4149    117693787 :       || TREE_CODE (__t) == __c2
    4150    117693787 :       || TREE_CODE (__t) == __c3
    4151    117693787 :       || TREE_CODE (__t) == __c4)
    4152            0 :     tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, 0);
    4153    117693787 :   return __t;
    4154              : }
    4155              : 
    4156              : inline const_tree
    4157              : tree_check5 (const_tree __t, const char *__f, int __l, const char *__g,
    4158              :              enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    4159              :              enum tree_code __c4, enum tree_code __c5)
    4160              : {
    4161              :   if (TREE_CODE (__t) != __c1
    4162              :       && TREE_CODE (__t) != __c2
    4163              :       && TREE_CODE (__t) != __c3
    4164              :       && TREE_CODE (__t) != __c4
    4165              :       && TREE_CODE (__t) != __c5)
    4166              :     tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, __c5, 0);
    4167              :   return __t;
    4168              : }
    4169              : 
    4170              : inline const_tree
    4171              : tree_not_check5 (const_tree __t, const char *__f, int __l, const char *__g,
    4172              :                  enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    4173              :                  enum tree_code __c4, enum tree_code __c5)
    4174              : {
    4175              :   if (TREE_CODE (__t) == __c1
    4176              :       || TREE_CODE (__t) == __c2
    4177              :       || TREE_CODE (__t) == __c3
    4178              :       || TREE_CODE (__t) == __c4
    4179              :       || TREE_CODE (__t) == __c5)
    4180              :     tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, __c5, 0);
    4181              :   return __t;
    4182              : }
    4183              : 
    4184              : inline const_tree
    4185    692497852 : tree_check6 (const_tree __t, const char *__f, int __l, const char *__g,
    4186              :              enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    4187              :              enum tree_code __c4, enum tree_code __c5, enum tree_code __c6)
    4188              : {
    4189    692497852 :   if (TREE_CODE (__t) != __c1
    4190     76969342 :       && TREE_CODE (__t) != __c2
    4191     69850126 :       && TREE_CODE (__t) != __c3
    4192      3629730 :       && TREE_CODE (__t) != __c4
    4193        54434 :       && TREE_CODE (__t) != __c5
    4194        54434 :       && TREE_CODE (__t) != __c6)
    4195            0 :     tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, __c5, __c6,
    4196              :                        0);
    4197    692497852 :   return __t;
    4198              : }
    4199              : 
    4200              : inline const_tree
    4201              : tree_not_check6 (const_tree __t, const char *__f, int __l, const char *__g,
    4202              :                  enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
    4203              :                  enum tree_code __c4, enum tree_code __c5, enum tree_code __c6)
    4204              : {
    4205              :   if (TREE_CODE (__t) == __c1
    4206              :       || TREE_CODE (__t) == __c2
    4207              :       || TREE_CODE (__t) == __c3
    4208              :       || TREE_CODE (__t) == __c4
    4209              :       || TREE_CODE (__t) == __c5
    4210              :       || TREE_CODE (__t) == __c6)
    4211              :     tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, __c5,
    4212              :                            __c6, 0);
    4213              :   return __t;
    4214              : }
    4215              : 
    4216              : inline const_tree
    4217  >26754*10^7 : contains_struct_check (const_tree __t, const enum tree_node_structure_enum __s,
    4218              :                        const char *__f, int __l, const char *__g)
    4219              : {
    4220  >26754*10^7 :   if (tree_contains_struct[TREE_CODE (__t)][__s] != 1)
    4221            0 :       tree_contains_struct_check_failed (__t, __s, __f, __l, __g);
    4222  >26754*10^7 :   return __t;
    4223              : }
    4224              : 
    4225              : inline const_tree
    4226  >26990*10^7 : tree_class_check (const_tree __t, const enum tree_code_class __class,
    4227              :                   const char *__f, int __l, const char *__g)
    4228              : {
    4229  >26990*10^7 :   if (TREE_CODE_CLASS (TREE_CODE (__t)) != __class)
    4230            0 :     tree_class_check_failed (__t, __class, __f, __l, __g);
    4231  >26990*10^7 :   return __t;
    4232              : }
    4233              : 
    4234              : inline const_tree
    4235              : tree_range_check (const_tree __t,
    4236              :                   enum tree_code __code1, enum tree_code __code2,
    4237              :                   const char *__f, int __l, const char *__g)
    4238              : {
    4239              :   if (TREE_CODE (__t) < __code1 || TREE_CODE (__t) > __code2)
    4240              :     tree_range_check_failed (__t, __f, __l, __g, __code1, __code2);
    4241              :   return __t;
    4242              : }
    4243              : 
    4244              : inline const_tree
    4245              : omp_clause_subcode_check (const_tree __t, enum omp_clause_code __code,
    4246              :                           const char *__f, int __l, const char *__g)
    4247              : {
    4248              :   if (TREE_CODE (__t) != OMP_CLAUSE)
    4249              :     tree_check_failed (__t, __f, __l, __g, OMP_CLAUSE, 0);
    4250              :   if (__t->omp_clause.code != __code)
    4251              :     omp_clause_check_failed (__t, __f, __l, __g, __code);
    4252              :   return __t;
    4253              : }
    4254              : 
    4255              : inline const_tree
    4256              : omp_clause_range_check (const_tree __t,
    4257              :                         enum omp_clause_code __code1,
    4258              :                         enum omp_clause_code __code2,
    4259              :                         const char *__f, int __l, const char *__g)
    4260              : {
    4261              :   if (TREE_CODE (__t) != OMP_CLAUSE)
    4262              :     tree_check_failed (__t, __f, __l, __g, OMP_CLAUSE, 0);
    4263              :   if ((int) __t->omp_clause.code < (int) __code1
    4264              :       || (int) __t->omp_clause.code > (int) __code2)
    4265              :     omp_clause_range_check_failed (__t, __f, __l, __g, __code1, __code2);
    4266              :   return __t;
    4267              : }
    4268              : 
    4269              : inline const_tree
    4270  30734004732 : expr_check (const_tree __t, const char *__f, int __l, const char *__g)
    4271              : {
    4272  30734004732 :   char const __c = TREE_CODE_CLASS (TREE_CODE (__t));
    4273  30734004732 :   if (!IS_EXPR_CODE_CLASS (__c))
    4274            0 :     tree_class_check_failed (__t, tcc_expression, __f, __l, __g);
    4275  30734004732 :   return __t;
    4276              : }
    4277              : 
    4278              : inline const_tree
    4279   9430138504 : non_type_check (const_tree __t, const char *__f, int __l, const char *__g)
    4280              : {
    4281   9430138504 :   if (TYPE_P (__t))
    4282            0 :     tree_not_class_check_failed (__t, tcc_type, __f, __l, __g);
    4283   9430138504 :   return __t;
    4284              : }
    4285              : 
    4286              : # if GCC_VERSION >= 4006
    4287              : #pragma GCC diagnostic push
    4288              : #pragma GCC diagnostic ignored "-Wstrict-overflow"
    4289              : #endif
    4290              : 
    4291              : inline const_tree *
    4292   5735297628 : tree_vec_elt_check (const_tree __t, int __i,
    4293              :                     const char *__f, int __l, const char *__g)
    4294              : {
    4295   5735297628 :   if (TREE_CODE (__t) != TREE_VEC)
    4296            0 :     tree_check_failed (__t, __f, __l, __g, TREE_VEC, 0);
    4297   5735297628 :   if (__i < 0 || __i >= __t->base.u.length)
    4298            0 :     tree_vec_elt_check_failed (__i, __t->base.u.length, __f, __l, __g);
    4299   5735297628 :   return const_cast<const_tree *> (&__t->vec.a[__i]);
    4300              :   //return &__t->vec.a[__i];
    4301              : }
    4302              : 
    4303              : # if GCC_VERSION >= 4006
    4304              : #pragma GCC diagnostic pop
    4305              : #endif
    4306              : 
    4307              : inline const_tree *
    4308              : omp_clause_elt_check (const_tree __t, int __i,
    4309              :                       const char *__f, int __l, const char *__g)
    4310              : {
    4311              :   if (TREE_CODE (__t) != OMP_CLAUSE)
    4312              :     tree_check_failed (__t, __f, __l, __g, OMP_CLAUSE, 0);
    4313              :   if (__i < 0 || __i >= omp_clause_num_ops [__t->omp_clause.code])
    4314              :     omp_clause_operand_check_failed (__i, __t, __f, __l, __g);
    4315              :   return const_cast<const_tree *> (&__t->omp_clause.ops[__i]);
    4316              : }
    4317              : 
    4318              : inline const_tree
    4319      3465579 : any_integral_type_check (const_tree __t, const char *__f, int __l,
    4320              :                          const char *__g)
    4321              : {
    4322      3465579 :   if (!ANY_INTEGRAL_TYPE_P (__t))
    4323            0 :     tree_check_failed (__t, __f, __l, __g, BOOLEAN_TYPE, ENUMERAL_TYPE,
    4324              :                        INTEGER_TYPE, BITINT_TYPE, 0);
    4325      3465579 :   return __t;
    4326              : }
    4327              : 
    4328              : #endif
    4329              : 
    4330              : /* Compute the number of operands in an expression node NODE.  For
    4331              :    tcc_vl_exp nodes like CALL_EXPRs, this is stored in the node itself,
    4332              :    otherwise it is looked up from the node's code.  */
    4333              : inline int
    4334  >24151*10^7 : tree_operand_length (const_tree node)
    4335              : {
    4336  >24151*10^7 :   if (VL_EXP_CLASS_P (node))
    4337  14269979724 :     return VL_EXP_OPERAND_LENGTH (node);
    4338              :   else
    4339  >22724*10^7 :     return TREE_CODE_LENGTH (TREE_CODE (node));
    4340              : }
    4341              : 
    4342              : #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
    4343              : 
    4344              : /* Special checks for TREE_OPERANDs.  */
    4345              : inline tree *
    4346  >17528*10^7 : tree_operand_check (tree __t, int __i,
    4347              :                     const char *__f, int __l, const char *__g)
    4348              : {
    4349  >17528*10^7 :   const_tree __u = EXPR_CHECK (__t);
    4350  >17528*10^7 :   if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__u))
    4351            0 :     tree_operand_check_failed (__i, __u, __f, __l, __g);
    4352  >17528*10^7 :   return &const_cast<tree> (__u)->exp.operands[__i];
    4353              : }
    4354              : 
    4355              : inline tree *
    4356    396836259 : tree_operand_check_code (tree __t, enum tree_code __code, int __i,
    4357              :                          const char *__f, int __l, const char *__g)
    4358              : {
    4359    396836259 :   if (TREE_CODE (__t) != __code)
    4360            0 :     tree_check_failed (__t, __f, __l, __g, __code, 0);
    4361    396836259 :   if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__t))
    4362            0 :     tree_operand_check_failed (__i, __t, __f, __l, __g);
    4363    396836259 :   return &__t->exp.operands[__i];
    4364              : }
    4365              : 
    4366              : inline const_tree *
    4367  30734004715 : tree_operand_check (const_tree __t, int __i,
    4368              :                     const char *__f, int __l, const char *__g)
    4369              : {
    4370  30734004715 :   const_tree __u = EXPR_CHECK (__t);
    4371  30734004715 :   if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__u))
    4372            0 :     tree_operand_check_failed (__i, __u, __f, __l, __g);
    4373  30734004715 :   return const_cast<const_tree *> (&__u->exp.operands[__i]);
    4374              : }
    4375              : 
    4376              : inline const_tree *
    4377           72 : tree_operand_check_code (const_tree __t, enum tree_code __code, int __i,
    4378              :                          const char *__f, int __l, const char *__g)
    4379              : {
    4380           72 :   if (TREE_CODE (__t) != __code)
    4381            0 :     tree_check_failed (__t, __f, __l, __g, __code, 0);
    4382           72 :   if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__t))
    4383            0 :     tree_operand_check_failed (__i, __t, __f, __l, __g);
    4384           72 :   return const_cast<const_tree *> (&__t->exp.operands[__i]);
    4385              : }
    4386              : 
    4387              : #endif
    4388              : 
    4389              : /* True iff an identifier matches a C string.  */
    4390              : 
    4391              : inline bool
    4392   3892829617 : id_equal (const_tree id, const char *str)
    4393              : {
    4394   3892829617 :   return !strcmp (IDENTIFIER_POINTER (id), str);
    4395              : }
    4396              : 
    4397              : inline bool
    4398          492 : id_equal (const char *str, const_tree id)
    4399              : {
    4400          492 :   return id_equal (id, str);
    4401              : }
    4402              : 
    4403              : /* Return the number of elements in the VECTOR_TYPE given by NODE.  */
    4404              : 
    4405              : inline poly_uint64
    4406    541592199 : TYPE_VECTOR_SUBPARTS (const_tree node)
    4407              : {
    4408    541592199 :   STATIC_ASSERT (NUM_POLY_INT_COEFFS <= 2);
    4409    541592199 :   unsigned int precision = VECTOR_TYPE_CHECK (node)->type_common.precision;
    4410    541592199 :   if (NUM_POLY_INT_COEFFS == 2)
    4411              :     {
    4412              :       /* See the corresponding code in SET_TYPE_VECTOR_SUBPARTS for a
    4413              :          description of the encoding.  */
    4414              :       poly_uint64 res = 0;
    4415              :       res.coeffs[0] = HOST_WIDE_INT_1U << (precision & 0xff);
    4416              :       if (precision & 0x100)
    4417              :         res.coeffs[1] = HOST_WIDE_INT_1U << (precision & 0xff);
    4418              :       return res;
    4419              :     }
    4420              :   else
    4421    541592199 :     return HOST_WIDE_INT_1U << precision;
    4422              : }
    4423              : 
    4424              : /* Set the number of elements in VECTOR_TYPE NODE to SUBPARTS, which must
    4425              :    satisfy valid_vector_subparts_p.  */
    4426              : 
    4427              : inline void
    4428     71369715 : SET_TYPE_VECTOR_SUBPARTS (tree node, poly_uint64 subparts)
    4429              : {
    4430     71369715 :   STATIC_ASSERT (NUM_POLY_INT_COEFFS <= 2);
    4431     71369715 :   unsigned HOST_WIDE_INT coeff0 = subparts.coeffs[0];
    4432     71369715 :   int index = exact_log2 (coeff0);
    4433            0 :   gcc_assert (index >= 0);
    4434     71369715 :   if (NUM_POLY_INT_COEFFS == 2)
    4435              :     {
    4436              :       /* We have two coefficients that are each in the range 1 << [0, 63],
    4437              :          so supporting all combinations would require 6 bits per coefficient
    4438              :          and 12 bits in total.  Since the precision field is only 10 bits
    4439              :          in size, we need to be more restrictive than that.
    4440              : 
    4441              :          At present, coeff[1] is always either 0 (meaning that the number
    4442              :          of units is constant) or equal to coeff[0] (meaning that the number
    4443              :          of units is N + X * N for some target-dependent zero-based runtime
    4444              :          parameter X).  We can therefore encode coeff[1] in a single bit.
    4445              : 
    4446              :          The most compact encoding would be to use mask 0x3f for coeff[0]
    4447              :          and 0x40 for coeff[1], leaving 0x380 unused.  It's possible to
    4448              :          get slightly more efficient code on some hosts if we instead
    4449              :          treat the shift amount as an independent byte, so here we use
    4450              :          0xff for coeff[0] and 0x100 for coeff[1].  */
    4451              :       unsigned HOST_WIDE_INT coeff1 = subparts.coeffs[1];
    4452              :       gcc_assert (coeff1 == 0 || coeff1 == coeff0);
    4453              :       VECTOR_TYPE_CHECK (node)->type_common.precision
    4454              :         = index + (coeff1 != 0 ? 0x100 : 0);
    4455              :     }
    4456              :   else
    4457     71369715 :     VECTOR_TYPE_CHECK (node)->type_common.precision = index;
    4458     71369715 : }
    4459              : 
    4460              : /* Return true if we can construct vector types with the given number
    4461              :    of subparts.  */
    4462              : 
    4463              : inline bool
    4464        26493 : valid_vector_subparts_p (poly_uint64 subparts)
    4465              : {
    4466        26493 :   unsigned HOST_WIDE_INT coeff0 = subparts.coeffs[0];
    4467      8586253 :   if (!pow2p_hwi (coeff0))
    4468              :     return false;
    4469              :   if (NUM_POLY_INT_COEFFS == 2)
    4470              :     {
    4471              :       unsigned HOST_WIDE_INT coeff1 = subparts.coeffs[1];
    4472              :       if (coeff1 != 0 && coeff1 != coeff0)
    4473              :         return false;
    4474              :     }
    4475              :   return true;
    4476              : }
    4477              : 
    4478              : /* Return the built-in function that DECL represents, given that it is known
    4479              :    to be a FUNCTION_DECL with built-in class BUILT_IN_NORMAL.  */
    4480              : inline built_in_function
    4481   2608853225 : DECL_FUNCTION_CODE (const_tree decl)
    4482              : {
    4483   2608853225 :   const tree_function_decl &fndecl = FUNCTION_DECL_CHECK (decl)->function_decl;
    4484   2608853225 :   gcc_checking_assert (fndecl.built_in_class == BUILT_IN_NORMAL);
    4485   2608853225 :   return (built_in_function) fndecl.function_code;
    4486              : }
    4487              : 
    4488              : /* Return the target-specific built-in function that DECL represents,
    4489              :    given that it is known to be a FUNCTION_DECL with built-in class
    4490              :    BUILT_IN_MD.  */
    4491              : inline int
    4492     69449656 : DECL_MD_FUNCTION_CODE (const_tree decl)
    4493              : {
    4494     69449656 :   const tree_function_decl &fndecl = FUNCTION_DECL_CHECK (decl)->function_decl;
    4495     69449656 :   gcc_checking_assert (fndecl.built_in_class == BUILT_IN_MD);
    4496     69449656 :   return fndecl.function_code;
    4497              : }
    4498              : 
    4499              : /* Return the frontend-specific built-in function that DECL represents,
    4500              :    given that it is known to be a FUNCTION_DECL with built-in class
    4501              :    BUILT_IN_FRONTEND.  */
    4502              : inline int
    4503      4184542 : DECL_FE_FUNCTION_CODE (const_tree decl)
    4504              : {
    4505      4184542 :   const tree_function_decl &fndecl = FUNCTION_DECL_CHECK (decl)->function_decl;
    4506      4184542 :   gcc_checking_assert (fndecl.built_in_class == BUILT_IN_FRONTEND);
    4507      4184542 :   return fndecl.function_code;
    4508              : }
    4509              : 
    4510              : /* Record that FUNCTION_DECL DECL represents built-in function FCODE of
    4511              :    class FCLASS.  */
    4512              : inline void
    4513    825329901 : set_decl_built_in_function (tree decl, built_in_class fclass,
    4514              :                             unsigned int fcode)
    4515              : {
    4516    825329901 :   tree_function_decl &fndecl = FUNCTION_DECL_CHECK (decl)->function_decl;
    4517    825329901 :   fndecl.built_in_class = fclass;
    4518    825329901 :   fndecl.function_code = fcode;
    4519    825329901 : }
    4520              : 
    4521              : /* Record that FUNCTION_DECL NEWDECL represents the same built-in function
    4522              :    as OLDDECL (or none, if OLDDECL doesn't represent a built-in function).  */
    4523              : inline void
    4524      7766893 : copy_decl_built_in_function (tree newdecl, const_tree olddecl)
    4525              : {
    4526      7766893 :   tree_function_decl &newfndecl = FUNCTION_DECL_CHECK (newdecl)->function_decl;
    4527      7766893 :   const tree_function_decl &oldfndecl
    4528      7766893 :     = FUNCTION_DECL_CHECK (olddecl)->function_decl;
    4529      7766893 :   newfndecl.built_in_class = oldfndecl.built_in_class;
    4530      7766893 :   newfndecl.function_code = oldfndecl.function_code;
    4531      7766893 : }
    4532              : 
    4533              : /* In NON_LVALUE_EXPR and VIEW_CONVERT_EXPR, set when this node is merely a
    4534              :    wrapper added to express a location_t on behalf of the node's child
    4535              :    (e.g. by maybe_wrap_with_location).  */
    4536              : 
    4537              : #define EXPR_LOCATION_WRAPPER_P(NODE) \
    4538              :   (TREE_CHECK2(NODE, NON_LVALUE_EXPR, VIEW_CONVERT_EXPR)->base.public_flag)
    4539              : 
    4540              : /* Test if EXP is merely a wrapper node, added to express a location_t
    4541              :    on behalf of the node's child (e.g. by maybe_wrap_with_location).  */
    4542              : 
    4543              : inline bool
    4544  79220095399 : location_wrapper_p (const_tree exp)
    4545              : {
    4546              :   /* A wrapper node has code NON_LVALUE_EXPR or VIEW_CONVERT_EXPR, and
    4547              :      the flag EXPR_LOCATION_WRAPPER_P is set.
    4548              :      It normally has the same type as its operand, but it can have a
    4549              :      different one if the type of the operand has changed (e.g. when
    4550              :      merging duplicate decls).
    4551              : 
    4552              :      NON_LVALUE_EXPR is used for wrapping constants, apart from STRING_CST.
    4553              :      VIEW_CONVERT_EXPR is used for wrapping non-constants and STRING_CST.  */
    4554  79220095399 :   if ((TREE_CODE (exp) == NON_LVALUE_EXPR
    4555  78179533925 :        || TREE_CODE (exp) == VIEW_CONVERT_EXPR)
    4556  83101228165 :       && EXPR_LOCATION_WRAPPER_P (exp))
    4557   4699483868 :     return true;
    4558              :   return false;
    4559              : }
    4560              : 
    4561              : /* Implementation of STRIP_ANY_LOCATION_WRAPPER.  */
    4562              : 
    4563              : inline tree
    4564  51416466499 : tree_strip_any_location_wrapper (tree exp)
    4565              : {
    4566  51416466499 :   if (location_wrapper_p (exp))
    4567   2625283084 :     return TREE_OPERAND (exp, 0);
    4568              :   else
    4569              :     return exp;
    4570              : }
    4571              : 
    4572              : #define error_mark_node                 global_trees[TI_ERROR_MARK]
    4573              : 
    4574              : #define intQI_type_node                 global_trees[TI_INTQI_TYPE]
    4575              : #define intHI_type_node                 global_trees[TI_INTHI_TYPE]
    4576              : #define intSI_type_node                 global_trees[TI_INTSI_TYPE]
    4577              : #define intDI_type_node                 global_trees[TI_INTDI_TYPE]
    4578              : #define intTI_type_node                 global_trees[TI_INTTI_TYPE]
    4579              : 
    4580              : #define unsigned_intQI_type_node        global_trees[TI_UINTQI_TYPE]
    4581              : #define unsigned_intHI_type_node        global_trees[TI_UINTHI_TYPE]
    4582              : #define unsigned_intSI_type_node        global_trees[TI_UINTSI_TYPE]
    4583              : #define unsigned_intDI_type_node        global_trees[TI_UINTDI_TYPE]
    4584              : #define unsigned_intTI_type_node        global_trees[TI_UINTTI_TYPE]
    4585              : 
    4586              : #define atomicQI_type_node      global_trees[TI_ATOMICQI_TYPE]
    4587              : #define atomicHI_type_node      global_trees[TI_ATOMICHI_TYPE]
    4588              : #define atomicSI_type_node      global_trees[TI_ATOMICSI_TYPE]
    4589              : #define atomicDI_type_node      global_trees[TI_ATOMICDI_TYPE]
    4590              : #define atomicTI_type_node      global_trees[TI_ATOMICTI_TYPE]
    4591              : 
    4592              : #define uint16_type_node                global_trees[TI_UINT16_TYPE]
    4593              : #define uint32_type_node                global_trees[TI_UINT32_TYPE]
    4594              : #define uint64_type_node                global_trees[TI_UINT64_TYPE]
    4595              : #define uint128_type_node               global_trees[TI_UINT128_TYPE]
    4596              : 
    4597              : #define void_node                       global_trees[TI_VOID]
    4598              : 
    4599              : #define integer_zero_node               global_trees[TI_INTEGER_ZERO]
    4600              : #define integer_one_node                global_trees[TI_INTEGER_ONE]
    4601              : #define integer_minus_one_node          global_trees[TI_INTEGER_MINUS_ONE]
    4602              : #define size_zero_node                  global_trees[TI_SIZE_ZERO]
    4603              : #define size_one_node                   global_trees[TI_SIZE_ONE]
    4604              : #define bitsize_zero_node               global_trees[TI_BITSIZE_ZERO]
    4605              : #define bitsize_one_node                global_trees[TI_BITSIZE_ONE]
    4606              : #define bitsize_unit_node               global_trees[TI_BITSIZE_UNIT]
    4607              : 
    4608              : /* Base access nodes.  */
    4609              : #define access_public_node              global_trees[TI_PUBLIC]
    4610              : #define access_protected_node           global_trees[TI_PROTECTED]
    4611              : #define access_private_node             global_trees[TI_PRIVATE]
    4612              : 
    4613              : #define null_pointer_node               global_trees[TI_NULL_POINTER]
    4614              : 
    4615              : #define float_type_node                 global_trees[TI_FLOAT_TYPE]
    4616              : #define double_type_node                global_trees[TI_DOUBLE_TYPE]
    4617              : #define long_double_type_node           global_trees[TI_LONG_DOUBLE_TYPE]
    4618              : #define bfloat16_type_node              global_trees[TI_BFLOAT16_TYPE]
    4619              : 
    4620              : /* Nodes for particular _FloatN and _FloatNx types in sequence.  */
    4621              : #define FLOATN_TYPE_NODE(IDX)           global_trees[TI_FLOATN_TYPE_FIRST + (IDX)]
    4622              : #define FLOATN_NX_TYPE_NODE(IDX)        global_trees[TI_FLOATN_NX_TYPE_FIRST + (IDX)]
    4623              : #define FLOATNX_TYPE_NODE(IDX)          global_trees[TI_FLOATNX_TYPE_FIRST + (IDX)]
    4624              : 
    4625              : /* Names for individual types (code should normally iterate over all
    4626              :    such types; these are only for back-end use, or in contexts such as
    4627              :    *.def where iteration is not possible).  */
    4628              : #define float16_type_node               global_trees[TI_FLOAT16_TYPE]
    4629              : #define float32_type_node               global_trees[TI_FLOAT32_TYPE]
    4630              : #define float64_type_node               global_trees[TI_FLOAT64_TYPE]
    4631              : #define float128_type_node              global_trees[TI_FLOAT128_TYPE]
    4632              : #define float32x_type_node              global_trees[TI_FLOAT32X_TYPE]
    4633              : #define float64x_type_node              global_trees[TI_FLOAT64X_TYPE]
    4634              : #define float128x_type_node             global_trees[TI_FLOAT128X_TYPE]
    4635              : 
    4636              : /* Type used by certain backends for __float128, which in C++ should be
    4637              :    distinct type from _Float128 for backwards compatibility reasons.  */
    4638              : #define float128t_type_node             global_trees[TI_FLOAT128T_TYPE]
    4639              : 
    4640              : #define float_ptr_type_node             global_trees[TI_FLOAT_PTR_TYPE]
    4641              : #define double_ptr_type_node            global_trees[TI_DOUBLE_PTR_TYPE]
    4642              : #define long_double_ptr_type_node       global_trees[TI_LONG_DOUBLE_PTR_TYPE]
    4643              : #define integer_ptr_type_node           global_trees[TI_INTEGER_PTR_TYPE]
    4644              : 
    4645              : #define complex_integer_type_node       global_trees[TI_COMPLEX_INTEGER_TYPE]
    4646              : #define complex_float_type_node         global_trees[TI_COMPLEX_FLOAT_TYPE]
    4647              : #define complex_double_type_node        global_trees[TI_COMPLEX_DOUBLE_TYPE]
    4648              : #define complex_long_double_type_node   global_trees[TI_COMPLEX_LONG_DOUBLE_TYPE]
    4649              : 
    4650              : #define COMPLEX_FLOATN_NX_TYPE_NODE(IDX)        global_trees[TI_COMPLEX_FLOATN_NX_TYPE_FIRST + (IDX)]
    4651              : 
    4652              : #define void_type_node                  global_trees[TI_VOID_TYPE]
    4653              : /* The C type `void *'.  */
    4654              : #define ptr_type_node                   global_trees[TI_PTR_TYPE]
    4655              : /* The C type `const void *'.  */
    4656              : #define const_ptr_type_node             global_trees[TI_CONST_PTR_TYPE]
    4657              : /* The C type `size_t'.  */
    4658              : #define size_type_node                  global_trees[TI_SIZE_TYPE]
    4659              : #define pid_type_node                   global_trees[TI_PID_TYPE]
    4660              : #define ptrdiff_type_node               global_trees[TI_PTRDIFF_TYPE]
    4661              : #define va_list_type_node               global_trees[TI_VA_LIST_TYPE]
    4662              : #define va_list_gpr_counter_field       global_trees[TI_VA_LIST_GPR_COUNTER_FIELD]
    4663              : #define va_list_fpr_counter_field       global_trees[TI_VA_LIST_FPR_COUNTER_FIELD]
    4664              : /* The C type `FILE *'.  */
    4665              : #define fileptr_type_node               global_trees[TI_FILEPTR_TYPE]
    4666              : /* The C type `const struct tm *'.  */
    4667              : #define const_tm_ptr_type_node          global_trees[TI_CONST_TM_PTR_TYPE]
    4668              : /* The C type `fenv_t *'.  */
    4669              : #define fenv_t_ptr_type_node            global_trees[TI_FENV_T_PTR_TYPE]
    4670              : #define const_fenv_t_ptr_type_node      global_trees[TI_CONST_FENV_T_PTR_TYPE]
    4671              : /* The C type `fexcept_t *'.  */
    4672              : #define fexcept_t_ptr_type_node         global_trees[TI_FEXCEPT_T_PTR_TYPE]
    4673              : #define const_fexcept_t_ptr_type_node   global_trees[TI_CONST_FEXCEPT_T_PTR_TYPE]
    4674              : #define pointer_sized_int_node          global_trees[TI_POINTER_SIZED_TYPE]
    4675              : 
    4676              : #define boolean_type_node               global_trees[TI_BOOLEAN_TYPE]
    4677              : #define boolean_false_node              global_trees[TI_BOOLEAN_FALSE]
    4678              : #define boolean_true_node               global_trees[TI_BOOLEAN_TRUE]
    4679              : 
    4680              : /* The decimal floating point types. */
    4681              : #define dfloat32_type_node              global_trees[TI_DFLOAT32_TYPE]
    4682              : #define dfloat64_type_node              global_trees[TI_DFLOAT64_TYPE]
    4683              : #define dfloat128_type_node             global_trees[TI_DFLOAT128_TYPE]
    4684              : #define dfloat64x_type_node             global_trees[TI_DFLOAT64X_TYPE]
    4685              : 
    4686              : /* The fixed-point types.  */
    4687              : #define sat_short_fract_type_node       global_trees[TI_SAT_SFRACT_TYPE]
    4688              : #define sat_fract_type_node             global_trees[TI_SAT_FRACT_TYPE]
    4689              : #define sat_long_fract_type_node        global_trees[TI_SAT_LFRACT_TYPE]
    4690              : #define sat_long_long_fract_type_node   global_trees[TI_SAT_LLFRACT_TYPE]
    4691              : #define sat_unsigned_short_fract_type_node \
    4692              :                                         global_trees[TI_SAT_USFRACT_TYPE]
    4693              : #define sat_unsigned_fract_type_node    global_trees[TI_SAT_UFRACT_TYPE]
    4694              : #define sat_unsigned_long_fract_type_node \
    4695              :                                         global_trees[TI_SAT_ULFRACT_TYPE]
    4696              : #define sat_unsigned_long_long_fract_type_node \
    4697              :                                         global_trees[TI_SAT_ULLFRACT_TYPE]
    4698              : #define short_fract_type_node           global_trees[TI_SFRACT_TYPE]
    4699              : #define fract_type_node                 global_trees[TI_FRACT_TYPE]
    4700              : #define long_fract_type_node            global_trees[TI_LFRACT_TYPE]
    4701              : #define long_long_fract_type_node       global_trees[TI_LLFRACT_TYPE]
    4702              : #define unsigned_short_fract_type_node  global_trees[TI_USFRACT_TYPE]
    4703              : #define unsigned_fract_type_node        global_trees[TI_UFRACT_TYPE]
    4704              : #define unsigned_long_fract_type_node   global_trees[TI_ULFRACT_TYPE]
    4705              : #define unsigned_long_long_fract_type_node \
    4706              :                                         global_trees[TI_ULLFRACT_TYPE]
    4707              : #define sat_short_accum_type_node       global_trees[TI_SAT_SACCUM_TYPE]
    4708              : #define sat_accum_type_node             global_trees[TI_SAT_ACCUM_TYPE]
    4709              : #define sat_long_accum_type_node        global_trees[TI_SAT_LACCUM_TYPE]
    4710              : #define sat_long_long_accum_type_node   global_trees[TI_SAT_LLACCUM_TYPE]
    4711              : #define sat_unsigned_short_accum_type_node \
    4712              :                                         global_trees[TI_SAT_USACCUM_TYPE]
    4713              : #define sat_unsigned_accum_type_node    global_trees[TI_SAT_UACCUM_TYPE]
    4714              : #define sat_unsigned_long_accum_type_node \
    4715              :                                         global_trees[TI_SAT_ULACCUM_TYPE]
    4716              : #define sat_unsigned_long_long_accum_type_node \
    4717              :                                         global_trees[TI_SAT_ULLACCUM_TYPE]
    4718              : #define short_accum_type_node           global_trees[TI_SACCUM_TYPE]
    4719              : #define accum_type_node                 global_trees[TI_ACCUM_TYPE]
    4720              : #define long_accum_type_node            global_trees[TI_LACCUM_TYPE]
    4721              : #define long_long_accum_type_node       global_trees[TI_LLACCUM_TYPE]
    4722              : #define unsigned_short_accum_type_node  global_trees[TI_USACCUM_TYPE]
    4723              : #define unsigned_accum_type_node        global_trees[TI_UACCUM_TYPE]
    4724              : #define unsigned_long_accum_type_node   global_trees[TI_ULACCUM_TYPE]
    4725              : #define unsigned_long_long_accum_type_node \
    4726              :                                         global_trees[TI_ULLACCUM_TYPE]
    4727              : #define qq_type_node                    global_trees[TI_QQ_TYPE]
    4728              : #define hq_type_node                    global_trees[TI_HQ_TYPE]
    4729              : #define sq_type_node                    global_trees[TI_SQ_TYPE]
    4730              : #define dq_type_node                    global_trees[TI_DQ_TYPE]
    4731              : #define tq_type_node                    global_trees[TI_TQ_TYPE]
    4732              : #define uqq_type_node                   global_trees[TI_UQQ_TYPE]
    4733              : #define uhq_type_node                   global_trees[TI_UHQ_TYPE]
    4734              : #define usq_type_node                   global_trees[TI_USQ_TYPE]
    4735              : #define udq_type_node                   global_trees[TI_UDQ_TYPE]
    4736              : #define utq_type_node                   global_trees[TI_UTQ_TYPE]
    4737              : #define sat_qq_type_node                global_trees[TI_SAT_QQ_TYPE]
    4738              : #define sat_hq_type_node                global_trees[TI_SAT_HQ_TYPE]
    4739              : #define sat_sq_type_node                global_trees[TI_SAT_SQ_TYPE]
    4740              : #define sat_dq_type_node                global_trees[TI_SAT_DQ_TYPE]
    4741              : #define sat_tq_type_node                global_trees[TI_SAT_TQ_TYPE]
    4742              : #define sat_uqq_type_node               global_trees[TI_SAT_UQQ_TYPE]
    4743              : #define sat_uhq_type_node               global_trees[TI_SAT_UHQ_TYPE]
    4744              : #define sat_usq_type_node               global_trees[TI_SAT_USQ_TYPE]
    4745              : #define sat_udq_type_node               global_trees[TI_SAT_UDQ_TYPE]
    4746              : #define sat_utq_type_node               global_trees[TI_SAT_UTQ_TYPE]
    4747              : #define ha_type_node                    global_trees[TI_HA_TYPE]
    4748              : #define sa_type_node                    global_trees[TI_SA_TYPE]
    4749              : #define da_type_node                    global_trees[TI_DA_TYPE]
    4750              : #define ta_type_node                    global_trees[TI_TA_TYPE]
    4751              : #define uha_type_node                   global_trees[TI_UHA_TYPE]
    4752              : #define usa_type_node                   global_trees[TI_USA_TYPE]
    4753              : #define uda_type_node                   global_trees[TI_UDA_TYPE]
    4754              : #define uta_type_node                   global_trees[TI_UTA_TYPE]
    4755              : #define sat_ha_type_node                global_trees[TI_SAT_HA_TYPE]
    4756              : #define sat_sa_type_node                global_trees[TI_SAT_SA_TYPE]
    4757              : #define sat_da_type_node                global_trees[TI_SAT_DA_TYPE]
    4758              : #define sat_ta_type_node                global_trees[TI_SAT_TA_TYPE]
    4759              : #define sat_uha_type_node               global_trees[TI_SAT_UHA_TYPE]
    4760              : #define sat_usa_type_node               global_trees[TI_SAT_USA_TYPE]
    4761              : #define sat_uda_type_node               global_trees[TI_SAT_UDA_TYPE]
    4762              : #define sat_uta_type_node               global_trees[TI_SAT_UTA_TYPE]
    4763              : 
    4764              : /* The node that should be placed at the end of a parameter list to
    4765              :    indicate that the function does not take a variable number of
    4766              :    arguments.  The TREE_VALUE will be void_type_node and there will be
    4767              :    no TREE_CHAIN.  Language-independent code should not assume
    4768              :    anything else about this node.  */
    4769              : #define void_list_node                  global_trees[TI_VOID_LIST_NODE]
    4770              : 
    4771              : #define main_identifier_node            global_trees[TI_MAIN_IDENTIFIER]
    4772              : #define MAIN_NAME_P(NODE) \
    4773              :   (IDENTIFIER_NODE_CHECK (NODE) == main_identifier_node)
    4774              : 
    4775              : /* Optimization options (OPTIMIZATION_NODE) to use for default and current
    4776              :    functions.  */
    4777              : #define optimization_default_node       global_trees[TI_OPTIMIZATION_DEFAULT]
    4778              : #define optimization_current_node       global_trees[TI_OPTIMIZATION_CURRENT]
    4779              : 
    4780              : /* Default/current target options (TARGET_OPTION_NODE).  */
    4781              : #define target_option_default_node      global_trees[TI_TARGET_OPTION_DEFAULT]
    4782              : #define target_option_current_node      global_trees[TI_TARGET_OPTION_CURRENT]
    4783              : 
    4784              : /* Default tree list option(), optimize() pragmas to be linked into the
    4785              :    attribute list.  */
    4786              : #define current_target_pragma           global_trees[TI_CURRENT_TARGET_PRAGMA]
    4787              : #define current_optimize_pragma         global_trees[TI_CURRENT_OPTIMIZE_PRAGMA]
    4788              : 
    4789              : /* SCEV analyzer global shared trees.  */
    4790              : #define chrec_not_analyzed_yet          NULL_TREE
    4791              : #define chrec_dont_know                 global_trees[TI_CHREC_DONT_KNOW]
    4792              : #define chrec_known                     global_trees[TI_CHREC_KNOWN]
    4793              : 
    4794              : #define char_type_node                  integer_types[itk_char]
    4795              : #define signed_char_type_node           integer_types[itk_signed_char]
    4796              : #define unsigned_char_type_node         integer_types[itk_unsigned_char]
    4797              : #define short_integer_type_node         integer_types[itk_short]
    4798              : #define short_unsigned_type_node        integer_types[itk_unsigned_short]
    4799              : #define integer_type_node               integer_types[itk_int]
    4800              : #define unsigned_type_node              integer_types[itk_unsigned_int]
    4801              : #define long_integer_type_node          integer_types[itk_long]
    4802              : #define long_unsigned_type_node         integer_types[itk_unsigned_long]
    4803              : #define long_long_integer_type_node     integer_types[itk_long_long]
    4804              : #define long_long_unsigned_type_node    integer_types[itk_unsigned_long_long]
    4805              : 
    4806              : /* True if T is an erroneous expression.  */
    4807              : 
    4808              : inline bool
    4809  28269691044 : error_operand_p (const_tree t)
    4810              : {
    4811  28269691044 :   return (t == error_mark_node
    4812  28269691044 :           || (t && TREE_TYPE (t) == error_mark_node));
    4813              : }
    4814              : 
    4815              : /* Return the number of elements encoded directly in a VECTOR_CST.  */
    4816              : 
    4817              : inline unsigned int
    4818     30414946 : vector_cst_encoded_nelts (const_tree t)
    4819              : {
    4820     30414946 :   return VECTOR_CST_NPATTERNS (t) * VECTOR_CST_NELTS_PER_PATTERN (t);
    4821              : }
    4822              : 
    4823              : extern tree generate_internal_label (const char *);
    4824              : extern const char *prefix_for_internal_label (tree label);
    4825              : extern tree decl_assembler_name (tree);
    4826              : extern void overwrite_decl_assembler_name (tree decl, tree name);
    4827              : extern tree decl_comdat_group (const_tree);
    4828              : extern tree decl_comdat_group_id (const_tree);
    4829              : extern const char *decl_section_name (const_tree);
    4830              : extern void set_decl_section_name (tree, const char *);
    4831              : extern void set_decl_section_name (tree, const_tree);
    4832              : extern enum tls_model decl_tls_model (const_tree);
    4833              : extern void set_decl_tls_model (tree, enum tls_model);
    4834              : 
    4835              : /* Compute the number of bytes occupied by 'node'.  This routine only
    4836              :    looks at TREE_CODE and, if the code is TREE_VEC, TREE_VEC_LENGTH.  */
    4837              : 
    4838              : extern size_t tree_size (const_tree);
    4839              : 
    4840              : /* Compute the number of bytes occupied by a tree with code CODE.
    4841              :    This function cannot be used for TREE_VEC or INTEGER_CST nodes,
    4842              :    which are of variable length.  */
    4843              : extern size_t tree_code_size (enum tree_code);
    4844              : 
    4845              : /* Allocate and return a new UID from the DECL_UID namespace.  */
    4846              : extern int allocate_decl_uid (void);
    4847              : 
    4848              : /* Lowest level primitive for allocating a node.
    4849              :    The TREE_CODE is the only argument.  Contents are initialized
    4850              :    to zero except for a few of the common fields.  */
    4851              : 
    4852              : extern tree make_node (enum tree_code CXX_MEM_STAT_INFO);
    4853              : 
    4854              : /* Free tree node.  */
    4855              : 
    4856              : extern void free_node (tree);
    4857              : 
    4858              : /* Make a copy of a node, with all the same contents.  */
    4859              : 
    4860              : extern tree copy_node (tree CXX_MEM_STAT_INFO);
    4861              : 
    4862              : /* Make a copy of a chain of TREE_LIST nodes.  */
    4863              : 
    4864              : extern tree copy_list (tree);
    4865              : 
    4866              : /* Make a CASE_LABEL_EXPR.  */
    4867              : 
    4868              : extern tree build_case_label (tree, tree, tree);
    4869              : 
    4870              : /* Make a BINFO.  */
    4871              : extern tree make_tree_binfo (unsigned CXX_MEM_STAT_INFO);
    4872              : 
    4873              : /* Make an INTEGER_CST.  */
    4874              : 
    4875              : extern tree make_int_cst (int, int CXX_MEM_STAT_INFO);
    4876              : 
    4877              : /* Make a TREE_VEC.  */
    4878              : 
    4879              : extern tree make_tree_vec (int CXX_MEM_STAT_INFO);
    4880              : 
    4881              : /* Grow a TREE_VEC.  */
    4882              : 
    4883              : extern tree grow_tree_vec (tree v, int CXX_MEM_STAT_INFO);
    4884              : 
    4885              : /* Treat a TREE_VEC as a range of trees, e.g.
    4886              :    for (tree e : tree_vec_range (v)) { ... }  */
    4887              : 
    4888              : class tree_vec_range
    4889              : {
    4890              :   tree v;
    4891              : public:
    4892   6042096014 :   tree_vec_range(tree v) : v(v) { }
    4893   6042096014 :   tree *begin() { return TREE_VEC_BEGIN (v); }
    4894   6042096014 :   tree *end() { return TREE_VEC_END (v); }
    4895              : };
    4896              : 
    4897              : /* Construct various types of nodes.  */
    4898              : 
    4899              : extern tree build_nt (enum tree_code, ...);
    4900              : extern tree build_nt_call_vec (tree, vec<tree, va_gc> *);
    4901              : 
    4902              : extern tree build0 (enum tree_code, tree CXX_MEM_STAT_INFO);
    4903              : extern tree build1 (enum tree_code, tree, tree CXX_MEM_STAT_INFO);
    4904              : extern tree build2 (enum tree_code, tree, tree, tree CXX_MEM_STAT_INFO);
    4905              : extern tree build3 (enum tree_code, tree, tree, tree, tree CXX_MEM_STAT_INFO);
    4906              : extern tree build4 (enum tree_code, tree, tree, tree, tree,
    4907              :                     tree CXX_MEM_STAT_INFO);
    4908              : extern tree build5 (enum tree_code, tree, tree, tree, tree, tree,
    4909              :                     tree CXX_MEM_STAT_INFO);
    4910              : 
    4911              : /* _loc versions of build[1-5].  */
    4912              : 
    4913              : inline tree
    4914   2505874867 : build1_loc (location_t loc, enum tree_code code, tree type,
    4915              :             tree arg1 CXX_MEM_STAT_INFO)
    4916              : {
    4917   2505874867 :   tree t = build1 (code, type, arg1 PASS_MEM_STAT);
    4918   2505874867 :   if (CAN_HAVE_LOCATION_P (t))
    4919   2505874867 :     SET_EXPR_LOCATION (t, loc);
    4920   2505874867 :   return t;
    4921              : }
    4922              : 
    4923              : inline tree
    4924    609933538 : build2_loc (location_t loc, enum tree_code code, tree type, tree arg0,
    4925              :             tree arg1 CXX_MEM_STAT_INFO)
    4926              : {
    4927    609933538 :   tree t = build2 (code, type, arg0, arg1 PASS_MEM_STAT);
    4928    609933538 :   if (CAN_HAVE_LOCATION_P (t))
    4929    609933538 :     SET_EXPR_LOCATION (t, loc);
    4930    609933538 :   return t;
    4931              : }
    4932              : 
    4933              : inline tree
    4934    157552132 : build3_loc (location_t loc, enum tree_code code, tree type, tree arg0,
    4935              :             tree arg1, tree arg2 CXX_MEM_STAT_INFO)
    4936              : {
    4937    157552132 :   tree t = build3 (code, type, arg0, arg1, arg2 PASS_MEM_STAT);
    4938    157552132 :   if (CAN_HAVE_LOCATION_P (t))
    4939    157552132 :     SET_EXPR_LOCATION (t, loc);
    4940    157552132 :   return t;
    4941              : }
    4942              : 
    4943              : inline tree
    4944      9422693 : build4_loc (location_t loc, enum tree_code code, tree type, tree arg0,
    4945              :             tree arg1, tree arg2, tree arg3 CXX_MEM_STAT_INFO)
    4946              : {
    4947      9422693 :   tree t = build4 (code, type, arg0, arg1, arg2, arg3 PASS_MEM_STAT);
    4948      9422693 :   if (CAN_HAVE_LOCATION_P (t))
    4949      9422693 :     SET_EXPR_LOCATION (t, loc);
    4950      9422693 :   return t;
    4951              : }
    4952              : 
    4953              : inline tree
    4954         8153 : build5_loc (location_t loc, enum tree_code code, tree type, tree arg0,
    4955              :             tree arg1, tree arg2, tree arg3, tree arg4 CXX_MEM_STAT_INFO)
    4956              : {
    4957         8153 :   tree t = build5 (code, type, arg0, arg1, arg2, arg3,
    4958              :                         arg4 PASS_MEM_STAT);
    4959         8153 :   if (CAN_HAVE_LOCATION_P (t))
    4960         8153 :     SET_EXPR_LOCATION (t, loc);
    4961         8153 :   return t;
    4962              : }
    4963              : 
    4964              : /* Constructs double_int from tree CST.  */
    4965              : 
    4966              : extern tree double_int_to_tree (tree, double_int);
    4967              : 
    4968              : extern tree wide_int_to_tree (tree type, const poly_wide_int_ref &cst);
    4969              : extern tree force_fit_type (tree, const poly_wide_int_ref &, int, bool);
    4970              : 
    4971              : /* Create an INT_CST node with a CST value zero extended.  */
    4972              : 
    4973              : /* static inline */
    4974              : extern tree build_int_cst (tree, poly_int64);
    4975              : extern tree build_int_cstu (tree type, poly_uint64);
    4976              : extern tree build_int_cst_type (tree, poly_int64);
    4977              : extern tree make_vector (unsigned, unsigned CXX_MEM_STAT_INFO);
    4978              : extern tree build_vector_from_ctor (tree, const vec<constructor_elt, va_gc> *);
    4979              : extern tree build_vector_from_val (tree, tree);
    4980              : extern tree build_uniform_cst (tree, tree);
    4981              : extern tree build_vec_series (tree, tree, tree);
    4982              : extern tree build_index_vector (tree, poly_uint64, poly_uint64);
    4983              : extern tree build_vector_a_then_b (tree, unsigned int, tree, tree);
    4984              : extern void recompute_constructor_flags (tree);
    4985              : extern void verify_constructor_flags (tree);
    4986              : extern tree build_constructor (tree, vec<constructor_elt, va_gc> * CXX_MEM_STAT_INFO);
    4987              : extern tree build_constructor_single (tree, tree, tree);
    4988              : extern tree build_constructor_from_list (tree, tree);
    4989              : extern tree build_constructor_from_vec (tree, const vec<tree, va_gc> *);
    4990              : extern tree build_constructor_va (tree, int, ...);
    4991              : extern tree build_clobber (tree, enum clobber_kind = CLOBBER_UNDEF);
    4992              : extern tree build_real_from_int_cst (tree, const_tree);
    4993              : extern tree build_real_from_wide (tree, const wide_int_ref &, signop);
    4994              : extern tree build_complex (tree, tree, tree);
    4995              : extern tree build_complex_inf (tree, bool);
    4996              : extern tree build_each_one_cst (tree);
    4997              : extern tree build_one_cst (tree);
    4998              : extern tree build_minus_one_cst (tree);
    4999              : extern tree build_all_ones_cst (tree);
    5000              : extern tree build_zero_cst (tree);
    5001              : extern tree build_replicated_int_cst (tree, unsigned, HOST_WIDE_INT);
    5002              : extern tree sign_mask_for (tree);
    5003              : extern tree build_string (unsigned, const char * = NULL);
    5004              : extern tree build_poly_int_cst (tree, const poly_wide_int_ref &);
    5005              : extern tree build_tree_list (tree, tree CXX_MEM_STAT_INFO);
    5006              : extern tree build_tree_list_vec (const vec<tree, va_gc> * CXX_MEM_STAT_INFO);
    5007              : extern tree build_decl (location_t, enum tree_code,
    5008              :                         tree, tree CXX_MEM_STAT_INFO);
    5009              : extern tree build_debug_expr_decl (tree type);
    5010              : extern tree build_fn_decl (const char *, tree);
    5011              : extern tree build_translation_unit_decl (tree);
    5012              : extern tree build_block (tree, tree, tree, tree);
    5013              : extern tree build_empty_stmt (location_t);
    5014              : extern tree build_omp_clause (location_t, enum omp_clause_code);
    5015              : 
    5016              : extern tree build_vl_exp (enum tree_code, int CXX_MEM_STAT_INFO);
    5017              : 
    5018              : extern tree build_call_valist (tree, tree, int, va_list);
    5019              : extern tree build_call (tree, tree, std::initializer_list<tree>);
    5020              : 
    5021              : 
    5022              : /* Build a CALL_EXPR of class tcc_vl_exp with the indicated RETURN_TYPE and
    5023              :    FN and a null static chain slot.  NARGS is the number of call arguments
    5024              :    which are specified as "..." arguments.  */
    5025              : 
    5026              : template <typename ...T>
    5027          204 : inline tree build_call_nary (tree return_type, tree fn, int nargs, T... args)
    5028              : {
    5029          204 :   std::initializer_list<tree> args_ = {args...};
    5030              :   gcc_checking_assert (sizeof...(args) == nargs);
    5031          204 :   return build_call (return_type, fn, args_);
    5032              : }
    5033              : #define build_call_array(T1,T2,N,T3)\
    5034              :    build_call_array_loc (UNKNOWN_LOCATION, T1, T2, N, T3)
    5035              : extern tree build_call_array_loc (location_t, tree, tree, int, const tree *);
    5036              : extern tree build_call_vec (tree, tree, const vec<tree, va_gc> *);
    5037              : extern tree build_call_expr_loc_array (location_t, tree, int, tree *);
    5038              : extern tree build_call_expr_loc_vec (location_t, tree, vec<tree, va_gc> *);
    5039              : extern tree build_call_expr_loc (location_t, tree, int, ...);
    5040              : extern tree build_call_expr (tree, int, ...);
    5041              : extern tree build_call_expr_internal_loc (location_t, enum internal_fn,
    5042              :                                           tree, int, ...);
    5043              : extern tree build_call_expr_internal_loc_array (location_t, enum internal_fn,
    5044              :                                                 tree, int, const tree *);
    5045              : extern tree maybe_build_call_expr_loc (location_t, combined_fn, tree,
    5046              :                                        int, ...);
    5047              : extern tree build_alloca_call_expr (tree, unsigned int, HOST_WIDE_INT);
    5048              : extern tree build_string_literal (unsigned, const char * = NULL,
    5049              :                                   tree = char_type_node,
    5050              :                                   unsigned HOST_WIDE_INT = HOST_WIDE_INT_M1U);
    5051        63372 : inline tree build_string_literal (const char *p)
    5052        63372 : { return build_string_literal (strlen (p) + 1, p); }
    5053        66275 : inline tree build_string_literal (tree t)
    5054              : {
    5055        66275 :   return build_string_literal (IDENTIFIER_LENGTH (t) + 1,
    5056        66275 :                                IDENTIFIER_POINTER (t));
    5057              : }
    5058              : 
    5059              : /* Construct various nodes representing data types.  */
    5060              : 
    5061              : extern tree signed_or_unsigned_type_for (int, tree);
    5062              : extern tree signed_type_for (tree);
    5063              : extern tree unsigned_type_for (tree);
    5064              : extern bool is_truth_type_for (tree, tree);
    5065              : extern bool tree_zero_one_valued_p (tree);
    5066              : extern tree truth_type_for (tree);
    5067              : extern tree build_pointer_type_for_mode (tree, machine_mode, bool);
    5068              : extern tree build_pointer_type (tree);
    5069              : extern tree build_reference_type_for_mode (tree, machine_mode, bool);
    5070              : extern tree build_reference_type (tree);
    5071              : extern tree build_vector_type_for_mode (tree, machine_mode);
    5072              : extern tree build_vector_type (tree, poly_int64);
    5073              : extern tree build_truth_vector_type_for_mode (poly_uint64, machine_mode);
    5074              : extern tree build_opaque_vector_type (tree, poly_int64);
    5075              : extern tree build_index_type (tree);
    5076              : extern tree build_array_type_1 (tree, tree, bool, bool, bool);
    5077              : extern tree build_array_type (tree, tree, bool = false);
    5078              : extern tree build_nonshared_array_type (tree, tree);
    5079              : extern tree build_array_type_nelts (tree, poly_uint64);
    5080              : extern tree build_function_type (tree, tree, bool = false);
    5081              : extern tree build_function_type_list (tree, ...);
    5082              : extern tree build_varargs_function_type_list (tree, ...);
    5083              : extern tree build_function_type_array (tree, int, tree *);
    5084              : extern tree build_varargs_function_type_array (tree, int, tree *);
    5085              : #define build_function_type_vec(RET, V) \
    5086              :   build_function_type_array (RET, vec_safe_length (V), vec_safe_address (V))
    5087              : #define build_varargs_function_type_vec(RET, V) \
    5088              :   build_varargs_function_type_array (RET, vec_safe_length (V), \
    5089              :                                      vec_safe_address (V))
    5090              : extern tree build_method_type_directly (tree, tree, tree);
    5091              : extern tree build_method_type (tree, tree);
    5092              : extern tree build_offset_type (tree, tree);
    5093              : extern tree build_complex_type (tree, bool named = false);
    5094              : extern tree array_type_nelts_minus_one (const_tree);
    5095              : extern tree array_type_nelts_top (tree);
    5096              : 
    5097              : extern tree value_member (tree, tree);
    5098              : extern tree purpose_member (const_tree, tree);
    5099              : extern bool vec_member (const_tree, vec<tree, va_gc> *);
    5100              : extern tree chain_index (int, tree);
    5101              : 
    5102              : /* Arguments may be null.  */
    5103              : extern bool tree_int_cst_equal (const_tree, const_tree);
    5104              : 
    5105              : /* The following predicates are safe to call with a null argument.  */
    5106              : extern bool tree_fits_shwi_p (const_tree) ATTRIBUTE_PURE;
    5107              : extern bool tree_fits_poly_int64_p (const_tree) ATTRIBUTE_PURE;
    5108              : extern bool tree_fits_uhwi_p (const_tree) ATTRIBUTE_PURE;
    5109              : extern bool tree_fits_poly_uint64_p (const_tree) ATTRIBUTE_PURE;
    5110              : extern bool tree_fits_sanitize_code_type_p (const_tree) ATTRIBUTE_PURE;
    5111              : 
    5112              : 
    5113              : extern HOST_WIDE_INT tree_to_shwi (const_tree)
    5114              :   ATTRIBUTE_NONNULL (1) ATTRIBUTE_PURE;
    5115              : extern poly_int64 tree_to_poly_int64 (const_tree)
    5116              :   ATTRIBUTE_NONNULL (1) ATTRIBUTE_PURE;
    5117              : extern unsigned HOST_WIDE_INT tree_to_uhwi (const_tree)
    5118              :   ATTRIBUTE_NONNULL (1) ATTRIBUTE_PURE;
    5119              : extern poly_uint64 tree_to_poly_uint64 (const_tree)
    5120              :   ATTRIBUTE_NONNULL (1) ATTRIBUTE_PURE;
    5121              : extern sanitize_code_type tree_to_sanitize_code_type (const_tree)
    5122              :   ATTRIBUTE_NONNULL (1) ATTRIBUTE_PURE;
    5123              : #if !defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 4003)
    5124              : extern inline __attribute__ ((__gnu_inline__)) HOST_WIDE_INT
    5125              : tree_to_shwi (const_tree t)
    5126              : {
    5127              :   gcc_assert (tree_fits_shwi_p (t));
    5128              :   return TREE_INT_CST_LOW (t);
    5129              : }
    5130              : 
    5131              : extern inline __attribute__ ((__gnu_inline__)) unsigned HOST_WIDE_INT
    5132              : tree_to_uhwi (const_tree t)
    5133              : {
    5134              :   gcc_assert (tree_fits_uhwi_p (t));
    5135              :   return TREE_INT_CST_LOW (t);
    5136              : }
    5137              : #if NUM_POLY_INT_COEFFS == 1
    5138              : extern inline __attribute__ ((__gnu_inline__)) poly_int64
    5139              : tree_to_poly_int64 (const_tree t)
    5140              : {
    5141              :   gcc_assert (tree_fits_poly_int64_p (t));
    5142              :   return TREE_INT_CST_LOW (t);
    5143              : }
    5144              : 
    5145              : extern inline __attribute__ ((__gnu_inline__)) poly_uint64
    5146              : tree_to_poly_uint64 (const_tree t)
    5147              : {
    5148              :   gcc_assert (tree_fits_poly_uint64_p (t));
    5149              :   return TREE_INT_CST_LOW (t);
    5150              : }
    5151              : #endif
    5152              : #endif
    5153              : extern int tree_int_cst_sgn (const_tree);
    5154              : extern int tree_int_cst_sign_bit (const_tree);
    5155              : extern unsigned int tree_int_cst_min_precision (tree, signop);
    5156              : extern tree excess_precision_type (tree);
    5157              : 
    5158              : /* Recursively examines the array elements of TYPE, until a non-array
    5159              :    element type is found.  */
    5160              : 
    5161              : inline tree
    5162  63006482238 : strip_array_types (tree type)
    5163              : {
    5164  63089633809 :   while (TREE_CODE (type) == ARRAY_TYPE)
    5165     83151571 :     type = TREE_TYPE (type);
    5166              : 
    5167  63006482238 :   return type;
    5168              : }
    5169              : 
    5170              : /* Recursively traverse down pointer type layers to pointee type.  */
    5171              : 
    5172              : inline const_tree
    5173              : strip_pointer_types (const_tree type)
    5174              : {
    5175              :   while (POINTER_TYPE_P (type))
    5176              :     type = TREE_TYPE (type);
    5177              : 
    5178              :   return type;
    5179              : }
    5180              : 
    5181              : /* Desription of the reason why the argument of valid_constant_size_p
    5182              :    is not a valid size.  */
    5183              : enum cst_size_error {
    5184              :   cst_size_ok,
    5185              :   cst_size_not_constant,
    5186              :   cst_size_negative,
    5187              :   cst_size_too_big,
    5188              :   cst_size_overflow
    5189              : };
    5190              : 
    5191              : extern bool valid_constant_size_p (const_tree, cst_size_error * = NULL);
    5192              : extern tree max_object_size ();
    5193              : 
    5194              : /* Return true if T holds a value that can be represented as a poly_int64
    5195              :    without loss of precision.  Store the value in *VALUE if so.  */
    5196              : 
    5197              : inline bool
    5198    474438839 : poly_int_tree_p (const_tree t, poly_int64 *value)
    5199              : {
    5200    474438839 :   if (tree_fits_poly_int64_p (t))
    5201              :     {
    5202    432941895 :       *value = tree_to_poly_int64 (t);
    5203    432941895 :       return true;
    5204              :     }
    5205              :   return false;
    5206              : }
    5207              : 
    5208              : /* Return true if T holds a value that can be represented as a poly_uint64
    5209              :    without loss of precision.  Store the value in *VALUE if so.  */
    5210              : 
    5211              : inline bool
    5212    414360141 : poly_int_tree_p (const_tree t, poly_uint64 *value)
    5213              : {
    5214    414360141 :   if (tree_fits_poly_uint64_p (t))
    5215              :     {
    5216    412868006 :       *value = tree_to_poly_uint64 (t);
    5217    412868006 :       return true;
    5218              :     }
    5219              :   return false;
    5220              : }
    5221              : 
    5222              : /* From expmed.cc.  Since rtl.h is included after tree.h, we can't
    5223              :    put the prototype here.  Rtl.h does declare the prototype if
    5224              :    tree.h had been included.  */
    5225              : 
    5226              : extern tree make_tree (tree, rtx);
    5227              : 
    5228              : /* Returns true iff CAND and BASE have equivalent language-specific
    5229              :    qualifiers.  */
    5230              : 
    5231              : extern bool check_lang_type (const_tree cand, const_tree base);
    5232              : 
    5233              : /* Returns true iff unqualified CAND and BASE are equivalent.  */
    5234              : 
    5235              : extern bool check_base_type (const_tree cand, const_tree base);
    5236              : 
    5237              : /* Check whether CAND is suitable to be returned from get_qualified_type
    5238              :    (BASE, TYPE_QUALS).  */
    5239              : 
    5240              : extern bool check_qualified_type (const_tree, const_tree, int);
    5241              : 
    5242              : /* Return a version of the TYPE, qualified as indicated by the
    5243              :    TYPE_QUALS, if one exists.  If no qualified version exists yet,
    5244              :    return NULL_TREE.  */
    5245              : 
    5246              : extern tree get_qualified_type (tree, int);
    5247              : 
    5248              : /* Like get_qualified_type, but creates the type if it does not
    5249              :    exist.  This function never returns NULL_TREE.  */
    5250              : 
    5251              : extern tree build_qualified_type (tree, int CXX_MEM_STAT_INFO);
    5252              : 
    5253              : /* Create a variant of type T with alignment ALIGN.  */
    5254              : 
    5255              : extern tree build_aligned_type (tree, unsigned int);
    5256              : 
    5257              : /* Like build_qualified_type, but only deals with the `const' and
    5258              :    `volatile' qualifiers.  This interface is retained for backwards
    5259              :    compatibility with the various front-ends; new code should use
    5260              :    build_qualified_type instead.  */
    5261              : 
    5262              : #define build_type_variant(TYPE, CONST_P, VOLATILE_P)                   \
    5263              :   build_qualified_type ((TYPE),                                         \
    5264              :                         ((CONST_P) ? TYPE_QUAL_CONST : 0)               \
    5265              :                         | ((VOLATILE_P) ? TYPE_QUAL_VOLATILE : 0))
    5266              : 
    5267              : /* Make a copy of a type node.  */
    5268              : 
    5269              : extern tree build_distinct_type_copy (tree CXX_MEM_STAT_INFO);
    5270              : extern tree build_variant_type_copy (tree CXX_MEM_STAT_INFO);
    5271              : 
    5272              : /* Given a hashcode and a ..._TYPE node (for which the hashcode was made),
    5273              :    return a canonicalized ..._TYPE node, so that duplicates are not made.
    5274              :    How the hash code is computed is up to the caller, as long as any two
    5275              :    callers that could hash identical-looking type nodes agree.  */
    5276              : 
    5277              : extern hashval_t type_hash_canon_hash (tree);
    5278              : extern tree type_hash_canon (unsigned int, tree);
    5279              : 
    5280              : extern tree convert (tree, tree);
    5281              : extern tree size_in_bytes_loc (location_t, const_tree);
    5282              : inline tree
    5283     19744848 : size_in_bytes (const_tree t)
    5284              : {
    5285     19744848 :   return size_in_bytes_loc (input_location, t);
    5286              : }
    5287              : 
    5288              : extern HOST_WIDE_INT int_size_in_bytes (const_tree);
    5289              : extern HOST_WIDE_INT max_int_size_in_bytes (const_tree);
    5290              : extern tree bit_position (const_tree);
    5291              : extern tree byte_position (const_tree);
    5292              : extern HOST_WIDE_INT int_byte_position (const_tree);
    5293              : 
    5294              : /* Type for sizes of data-type.  */
    5295              : 
    5296              : #define sizetype sizetype_tab[(int) stk_sizetype]
    5297              : #define bitsizetype sizetype_tab[(int) stk_bitsizetype]
    5298              : #define ssizetype sizetype_tab[(int) stk_ssizetype]
    5299              : #define sbitsizetype sizetype_tab[(int) stk_sbitsizetype]
    5300              : #define size_int(L) size_int_kind (L, stk_sizetype)
    5301              : #define ssize_int(L) size_int_kind (L, stk_ssizetype)
    5302              : #define bitsize_int(L) size_int_kind (L, stk_bitsizetype)
    5303              : #define sbitsize_int(L) size_int_kind (L, stk_sbitsizetype)
    5304              : 
    5305              : /* Log2 of BITS_PER_UNIT.  */
    5306              : 
    5307              : #if BITS_PER_UNIT == 8
    5308              : #define LOG2_BITS_PER_UNIT 3
    5309              : #elif BITS_PER_UNIT == 16
    5310              : #define LOG2_BITS_PER_UNIT 4
    5311              : #else
    5312              : #error Unknown BITS_PER_UNIT
    5313              : #endif
    5314              : 
    5315              : /* Concatenate two lists (chains of TREE_LIST nodes) X and Y
    5316              :    by making the last node in X point to Y.
    5317              :    Returns X, except if X is 0 returns Y.  */
    5318              : 
    5319              : extern tree chainon (tree, tree);
    5320              : 
    5321              : /* Make a new TREE_LIST node from specified PURPOSE, VALUE and CHAIN.  */
    5322              : 
    5323              : extern tree tree_cons (tree, tree, tree CXX_MEM_STAT_INFO);
    5324              : 
    5325              : /* Return the last tree node in a chain.  */
    5326              : 
    5327              : extern tree tree_last (tree);
    5328              : 
    5329              : /* Reverse the order of elements in a chain, and return the new head.  */
    5330              : 
    5331              : extern tree nreverse (tree);
    5332              : 
    5333              : /* Returns the length of a chain of nodes
    5334              :    (number of chain pointers to follow before reaching a null pointer).  */
    5335              : 
    5336              : extern int list_length (const_tree);
    5337              : 
    5338              : /* Returns the first/last FIELD_DECL in a RECORD_TYPE.  */
    5339              : 
    5340              : extern tree first_field (const_tree) ATTRIBUTE_NONNULL (1);
    5341              : extern tree last_field (const_tree) ATTRIBUTE_NONNULL (1);
    5342              : 
    5343              : /* Given an initializer INIT, return TRUE if INIT is zero or some
    5344              :    aggregate of zeros.  Otherwise return FALSE.  If NONZERO is not
    5345              :    null, set *NONZERO if and only if INIT is known not to be all
    5346              :    zeros.  The combination of return value of false and *NONZERO
    5347              :    false implies that INIT may but need not be all zeros.  Other
    5348              :    combinations indicate definitive answers.  */
    5349              : 
    5350              : extern bool initializer_zerop (const_tree, bool * = NULL);
    5351              : extern bool initializer_each_zero_or_onep (const_tree);
    5352              : 
    5353              : extern tree vector_cst_elt (const_tree, unsigned int);
    5354              : 
    5355              : /* Given a vector VEC, return its first element if all elements are
    5356              :    the same.  Otherwise return NULL_TREE.  */
    5357              : 
    5358              : extern tree uniform_vector_p (const_tree);
    5359              : 
    5360              : /* Same as above, but if VEC is an SSA_NAME, inspect its definition.  */
    5361              : 
    5362              : extern tree ssa_uniform_vector_p (tree);
    5363              : 
    5364              : /* If the argument is INTEGER_CST, return it.  If the argument is vector
    5365              :    with all elements the same INTEGER_CST, return that INTEGER_CST.  Otherwise
    5366              :    return NULL_TREE.  */
    5367              : 
    5368              : extern tree uniform_integer_cst_p (tree);
    5369              : 
    5370              : extern int single_nonzero_element (const_tree);
    5371              : 
    5372              : /* Given a CONSTRUCTOR CTOR, return the element values as a vector.  */
    5373              : 
    5374              : extern vec<tree, va_gc> *ctor_to_vec (tree);
    5375              : 
    5376              : /* zerop (tree x) is nonzero if X is a constant of value 0.  */
    5377              : 
    5378              : extern bool zerop (const_tree);
    5379              : 
    5380              : /* integer_zerop (tree x) is nonzero if X is an integer constant of value 0.  */
    5381              : 
    5382              : extern bool integer_zerop (const_tree);
    5383              : 
    5384              : /* integer_onep (tree x) is nonzero if X is an integer constant of value 1.  */
    5385              : 
    5386              : extern bool integer_onep (const_tree);
    5387              : 
    5388              : /* integer_onep (tree x) is nonzero if X is an integer constant of value 1, or
    5389              :    a vector or complex where each part is 1.  */
    5390              : 
    5391              : extern bool integer_each_onep (const_tree);
    5392              : 
    5393              : /* integer_all_onesp (tree x) is nonzero if X is an integer constant
    5394              :    all of whose significant bits are 1.  */
    5395              : 
    5396              : extern bool integer_all_onesp (const_tree);
    5397              : 
    5398              : /* integer_minus_onep (tree x) is nonzero if X is an integer constant of
    5399              :    value -1.  */
    5400              : 
    5401              : extern bool integer_minus_onep (const_tree);
    5402              : 
    5403              : /* integer_pow2p (tree x) is nonzero is X is an integer constant with
    5404              :    exactly one bit 1.  */
    5405              : 
    5406              : extern bool integer_pow2p (const_tree);
    5407              : 
    5408              : /* Checks to see if T is a constant or a constant vector and if each element E
    5409              :    adheres to ~E + 1 == pow2 then return ~E otherwise NULL_TREE.  */
    5410              : 
    5411              : extern tree bitmask_inv_cst_vector_p (tree);
    5412              : 
    5413              : /* integer_nonzerop (tree x) is nonzero if X is an integer constant
    5414              :    with a nonzero value.  */
    5415              : 
    5416              : extern bool integer_nonzerop (const_tree);
    5417              : 
    5418              : /* integer_truep (tree x) is nonzero if X is an integer constant of value 1 or
    5419              :    a vector where each element is an integer constant of value -1.  */
    5420              : 
    5421              : extern bool integer_truep (const_tree);
    5422              : 
    5423              : extern bool cst_and_fits_in_hwi (const_tree);
    5424              : extern tree num_ending_zeros (const_tree);
    5425              : 
    5426              : /* fixed_zerop (tree x) is nonzero if X is a fixed-point constant of
    5427              :    value 0.  */
    5428              : 
    5429              : extern bool fixed_zerop (const_tree);
    5430              : 
    5431              : /* staticp (tree x) is nonzero if X is a reference to data allocated
    5432              :    at a fixed address in memory.  Returns the outermost data.  */
    5433              : 
    5434              : extern tree staticp (tree);
    5435              : 
    5436              : /* save_expr (EXP) returns an expression equivalent to EXP
    5437              :    but it can be used multiple times within context CTX
    5438              :    and only evaluate EXP once.  */
    5439              : 
    5440              : extern tree save_expr (tree);
    5441              : 
    5442              : /* Return true if T is an object with invariant address.  */
    5443              : 
    5444              : extern bool address_invariant_p (tree);
    5445              : 
    5446              : /* Return true if T is function-invariant.  */
    5447              : 
    5448              : extern bool tree_invariant_p (tree);
    5449              : 
    5450              : /* Look inside EXPR into any simple arithmetic operations.  Return the
    5451              :    outermost non-arithmetic or non-invariant node.  */
    5452              : 
    5453              : extern tree skip_simple_arithmetic (tree);
    5454              : 
    5455              : /* Look inside EXPR into simple arithmetic operations involving constants.
    5456              :    Return the outermost non-arithmetic or non-constant node.  */
    5457              : 
    5458              : extern tree skip_simple_constant_arithmetic (tree);
    5459              : 
    5460              : /* Return which tree structure is used by T.  */
    5461              : 
    5462              : enum tree_node_structure_enum tree_node_structure (const_tree);
    5463              : 
    5464              : /* Return true if EXP contains a PLACEHOLDER_EXPR, i.e. if it represents a
    5465              :    size or offset that depends on a field within a record.  */
    5466              : 
    5467              : extern bool contains_placeholder_p (const_tree);
    5468              : 
    5469              : /* This macro calls the above function but short-circuits the common
    5470              :    case of a constant to save time.  Also check for null.  */
    5471              : 
    5472              : #define CONTAINS_PLACEHOLDER_P(EXP) \
    5473              :   ((EXP) != 0 && ! TREE_CONSTANT (EXP) && contains_placeholder_p (EXP))
    5474              : 
    5475              : /* Return true if any part of the structure of TYPE involves a PLACEHOLDER_EXPR
    5476              :    directly.  This includes size, bounds, qualifiers (for QUAL_UNION_TYPE) and
    5477              :    field positions.  */
    5478              : 
    5479              : extern bool type_contains_placeholder_p (tree);
    5480              : 
    5481              : /* Given a tree EXP, find all occurrences of references to fields
    5482              :    in a PLACEHOLDER_EXPR and place them in vector REFS without
    5483              :    duplicates.  Also record VAR_DECLs and CONST_DECLs.  Note that
    5484              :    we assume here that EXP contains only arithmetic expressions
    5485              :    or CALL_EXPRs with PLACEHOLDER_EXPRs occurring only in their
    5486              :    argument list.  */
    5487              : 
    5488              : extern void find_placeholder_in_expr (tree, vec<tree> *);
    5489              : 
    5490              : /* This macro calls the above function but short-circuits the common
    5491              :    case of a constant to save time and also checks for NULL.  */
    5492              : 
    5493              : #define FIND_PLACEHOLDER_IN_EXPR(EXP, V) \
    5494              : do {                                     \
    5495              :   if((EXP) && !TREE_CONSTANT (EXP))      \
    5496              :     find_placeholder_in_expr (EXP, V);   \
    5497              : } while (0)
    5498              : 
    5499              : /* Given a tree EXP, a FIELD_DECL F, and a replacement value R,
    5500              :    return a tree with all occurrences of references to F in a
    5501              :    PLACEHOLDER_EXPR replaced by R.  Also handle VAR_DECLs and
    5502              :    CONST_DECLs.  Note that we assume here that EXP contains only
    5503              :    arithmetic expressions or CALL_EXPRs with PLACEHOLDER_EXPRs
    5504              :    occurring only in their argument list.  */
    5505              : 
    5506              : extern tree substitute_in_expr (tree, tree, tree);
    5507              : 
    5508              : /* This macro calls the above function but short-circuits the common
    5509              :    case of a constant to save time and also checks for NULL.  */
    5510              : 
    5511              : #define SUBSTITUTE_IN_EXPR(EXP, F, R) \
    5512              :   ((EXP) == 0 || TREE_CONSTANT (EXP) ? (EXP) : substitute_in_expr (EXP, F, R))
    5513              : 
    5514              : /* Similar, but look for a PLACEHOLDER_EXPR in EXP and find a replacement
    5515              :    for it within OBJ, a tree that is an object or a chain of references.  */
    5516              : 
    5517              : extern tree substitute_placeholder_in_expr (tree, tree);
    5518              : 
    5519              : /* This macro calls the above function but short-circuits the common
    5520              :    case of a constant to save time and also checks for NULL.  */
    5521              : 
    5522              : #define SUBSTITUTE_PLACEHOLDER_IN_EXPR(EXP, OBJ) \
    5523              :   ((EXP) == 0 || TREE_CONSTANT (EXP) ? (EXP)    \
    5524              :    : substitute_placeholder_in_expr (EXP, OBJ))
    5525              : 
    5526              : 
    5527              : /* stabilize_reference (EXP) returns a reference equivalent to EXP
    5528              :    but it can be used multiple times
    5529              :    and only evaluate the subexpressions once.  */
    5530              : 
    5531              : extern tree stabilize_reference (tree);
    5532              : 
    5533              : /* Return EXP, stripped of any conversions to wider types
    5534              :    in such a way that the result of converting to type FOR_TYPE
    5535              :    is the same as if EXP were converted to FOR_TYPE.
    5536              :    If FOR_TYPE is 0, it signifies EXP's type.  */
    5537              : 
    5538              : extern tree get_unwidened (tree, tree);
    5539              : 
    5540              : /* Return OP or a simpler expression for a narrower value
    5541              :    which can be sign-extended or zero-extended to give back OP.
    5542              :    Store in *UNSIGNEDP_PTR either 1 if the value should be zero-extended
    5543              :    or 0 if the value should be sign-extended.  */
    5544              : 
    5545              : extern tree get_narrower (tree, int *);
    5546              : 
    5547              : /* Return true if T is an expression that get_inner_reference handles.  */
    5548              : 
    5549              : inline bool
    5550  35792864375 : handled_component_p (const_tree t)
    5551              : {
    5552  35394351859 :   switch (TREE_CODE (t))
    5553              :     {
    5554              :     case COMPONENT_REF:
    5555              :     case BIT_FIELD_REF:
    5556              :     case ARRAY_REF:
    5557              :     case ARRAY_RANGE_REF:
    5558              :     case REALPART_EXPR:
    5559              :     case IMAGPART_EXPR:
    5560              :     case VIEW_CONVERT_EXPR:
    5561              :       return true;
    5562              : 
    5563  17889040025 :     default:
    5564  17889026092 :       return false;
    5565              :     }
    5566              : }
    5567              : 
    5568              : /* Return true T is a component with reverse storage order.  */
    5569              : 
    5570              : inline bool
    5571   3393085675 : reverse_storage_order_for_component_p (tree t)
    5572              : {
    5573              :   /* The storage order only applies to scalar components.  */
    5574   6628897618 :   if (AGGREGATE_TYPE_P (TREE_TYPE (t))
    5575   2626671675 :       || POINTER_TYPE_P (TREE_TYPE (t))
    5576   5181600364 :       || VECTOR_TYPE_P (TREE_TYPE (t)))
    5577              :     return false;
    5578              : 
    5579   1678410926 :   if (TREE_CODE (t) == REALPART_EXPR || TREE_CODE (t) == IMAGPART_EXPR)
    5580     11339942 :     t = TREE_OPERAND (t, 0);
    5581              : 
    5582   1678410926 :   switch (TREE_CODE (t))
    5583              :     {
    5584   1195973582 :     case ARRAY_REF:
    5585   1195973582 :     case COMPONENT_REF:
    5586              :       /* ??? Fortran can take COMPONENT_REF of a VOID_TYPE.  */
    5587              :       /* ??? UBSan can take COMPONENT_REF of a REFERENCE_TYPE.  */
    5588   2156226859 :       return AGGREGATE_TYPE_P (TREE_TYPE (TREE_OPERAND (t, 0)))
    5589   2156226859 :              && TYPE_REVERSE_STORAGE_ORDER (TREE_TYPE (TREE_OPERAND (t, 0)));
    5590              : 
    5591    300155613 :     case BIT_FIELD_REF:
    5592    300155613 :     case MEM_REF:
    5593    300155613 :       return REF_REVERSE_STORAGE_ORDER (t);
    5594              : 
    5595              :     case ARRAY_RANGE_REF:
    5596              :     case VIEW_CONVERT_EXPR:
    5597              :     default:
    5598              :       return false;
    5599              :     }
    5600              : }
    5601              : 
    5602              : /* Return true if T is a storage order barrier, i.e. a VIEW_CONVERT_EXPR
    5603              :    that can modify the storage order of objects.  Note that, even if the
    5604              :    TYPE_REVERSE_STORAGE_ORDER flag is set on both the inner type and the
    5605              :    outer type, a VIEW_CONVERT_EXPR can modify the storage order because
    5606              :    it can change the partition of the aggregate object into scalars.  */
    5607              : 
    5608              : inline bool
    5609     83181206 : storage_order_barrier_p (const_tree t)
    5610              : {
    5611     83181206 :   if (TREE_CODE (t) != VIEW_CONVERT_EXPR)
    5612              :     return false;
    5613              : 
    5614      3486613 :   if (AGGREGATE_TYPE_P (TREE_TYPE (t))
    5615      3417718 :       && TYPE_REVERSE_STORAGE_ORDER (TREE_TYPE (t)))
    5616              :     return true;
    5617              : 
    5618      1925497 :   tree op = TREE_OPERAND (t, 0);
    5619              : 
    5620      3826868 :   if (AGGREGATE_TYPE_P (TREE_TYPE (op))
    5621      3418703 :       && TYPE_REVERSE_STORAGE_ORDER (TREE_TYPE (op)))
    5622              :     return true;
    5623              : 
    5624      1925497 :   return reverse_storage_order_for_component_p (op);
    5625              : }
    5626              : 
    5627              : /* Given a DECL or TYPE, return the scope in which it was declared, or
    5628              :    NUL_TREE if there is no containing scope.  */
    5629              : 
    5630              : extern tree get_containing_scope (const_tree);
    5631              : 
    5632              : /* Returns the ultimate TRANSLATION_UNIT_DECL context of DECL or NULL.  */
    5633              : 
    5634              : extern const_tree get_ultimate_context (const_tree);
    5635              : 
    5636              : /* Return the FUNCTION_DECL which provides this _DECL with its context,
    5637              :    or zero if none.  */
    5638              : extern tree decl_function_context (const_tree);
    5639              : 
    5640              : /* Return the RECORD_TYPE, UNION_TYPE, or QUAL_UNION_TYPE which provides
    5641              :    this _DECL with its context, or zero if none.  */
    5642              : extern tree decl_type_context (const_tree);
    5643              : 
    5644              : /* Return true if EXPR is the real constant zero.  */
    5645              : extern bool real_zerop (const_tree);
    5646              : 
    5647              : /* Initialize the iterator I with arguments from function FNDECL  */
    5648              : 
    5649              : inline void
    5650   1426337967 : function_args_iter_init (function_args_iterator *i, const_tree fntype)
    5651              : {
    5652   1426337967 :   i->next = TYPE_ARG_TYPES (fntype);
    5653   1426337967 : }
    5654              : 
    5655              : /* Return a pointer that holds the next argument if there are more arguments to
    5656              :    handle, otherwise return NULL.  */
    5657              : 
    5658              : inline tree *
    5659              : function_args_iter_cond_ptr (function_args_iterator *i)
    5660              : {
    5661              :   return (i->next) ? &TREE_VALUE (i->next) : NULL;
    5662              : }
    5663              : 
    5664              : /* Return the next argument if there are more arguments to handle, otherwise
    5665              :    return NULL.  */
    5666              : 
    5667              : inline tree
    5668   2244881585 : function_args_iter_cond (function_args_iterator *i)
    5669              : {
    5670   2244881585 :   return (i->next) ? TREE_VALUE (i->next) : NULL_TREE;
    5671              : }
    5672              : 
    5673              : /* Advance to the next argument.  */
    5674              : inline void
    5675    821970775 : function_args_iter_next (function_args_iterator *i)
    5676              : {
    5677    821970775 :   gcc_assert (i->next != NULL_TREE);
    5678    821970775 :   i->next = TREE_CHAIN (i->next);
    5679    821970775 : }
    5680              : 
    5681              : /* Returns true if a BLOCK has a source location.
    5682              :    BLOCK_SOURCE_LOCATION is set only to inlined function entry points,
    5683              :    so the function returns true for all but the innermost and outermost
    5684              :    blocks into which an expression has been inlined.  */
    5685              : 
    5686              : inline bool
    5687     46752222 : inlined_function_outer_scope_p (const_tree block)
    5688              : {
    5689     46752222 :  return LOCATION_LOCUS (BLOCK_SOURCE_LOCATION (block)) != UNKNOWN_LOCATION;
    5690              : }
    5691              : 
    5692              : /* Loop over all function arguments of FNTYPE.  In each iteration, PTR is set
    5693              :    to point to the next tree element.  ITER is an instance of
    5694              :    function_args_iterator used to iterate the arguments.  */
    5695              : #define FOREACH_FUNCTION_ARGS_PTR(FNTYPE, PTR, ITER)                    \
    5696              :   for (function_args_iter_init (&(ITER), (FNTYPE));                 \
    5697              :        (PTR = function_args_iter_cond_ptr (&(ITER))) != NULL;               \
    5698              :        function_args_iter_next (&(ITER)))
    5699              : 
    5700              : /* Loop over all function arguments of FNTYPE.  In each iteration, TREE is set
    5701              :    to the next tree element.  ITER is an instance of function_args_iterator
    5702              :    used to iterate the arguments.  */
    5703              : #define FOREACH_FUNCTION_ARGS(FNTYPE, TREE, ITER)                       \
    5704              :   for (function_args_iter_init (&(ITER), (FNTYPE));                 \
    5705              :        (TREE = function_args_iter_cond (&(ITER))) != NULL_TREE;             \
    5706              :        function_args_iter_next (&(ITER)))
    5707              : 
    5708              : /* In tree.cc */
    5709              : extern unsigned crc32_unsigned_n (unsigned, unsigned, unsigned);
    5710              : extern unsigned crc32_string (unsigned, const char *);
    5711              : inline unsigned
    5712       945492 : crc32_unsigned (unsigned chksum, unsigned value)
    5713              : {
    5714       941542 :   return crc32_unsigned_n (chksum, value, 4);
    5715              : }
    5716              : inline unsigned
    5717     15627822 : crc32_byte (unsigned chksum, char byte)
    5718              : {
    5719     15627822 :   return crc32_unsigned_n (chksum, byte, 1);
    5720              : }
    5721              : extern void clean_symbol_name (char *);
    5722              : extern tree get_file_function_name (const char *);
    5723              : extern tree get_callee_fndecl (const_tree);
    5724              : extern combined_fn get_call_combined_fn (const_tree);
    5725              : extern int type_num_arguments (const_tree);
    5726              : extern tree type_argument_type (const_tree, unsigned) ATTRIBUTE_NONNULL (1);
    5727              : extern bool associative_tree_code (enum tree_code);
    5728              : extern bool commutative_tree_code (enum tree_code);
    5729              : extern bool commutative_ternary_tree_code (enum tree_code);
    5730              : extern bool operation_can_overflow (enum tree_code);
    5731              : extern bool operation_no_trapping_overflow (tree, enum tree_code);
    5732              : extern tree upper_bound_in_type (tree, tree);
    5733              : extern tree lower_bound_in_type (tree, tree);
    5734              : extern bool operand_equal_for_phi_arg_p (const_tree, const_tree);
    5735              : extern tree create_artificial_label (location_t);
    5736              : extern const char *get_name (tree);
    5737              : extern bool stdarg_p (const_tree);
    5738              : extern bool prototype_p (const_tree);
    5739              : extern bool auto_var_p (const_tree);
    5740              : extern bool auto_var_in_fn_p (const_tree, const_tree);
    5741              : extern tree build_low_bits_mask (tree, unsigned);
    5742              : extern bool tree_nop_conversion_p (const_tree, const_tree);
    5743              : extern tree tree_strip_nop_conversions (tree);
    5744              : extern tree tree_strip_sign_nop_conversions (tree);
    5745              : extern const_tree strip_invariant_refs (const_tree);
    5746              : extern tree strip_zero_offset_components (tree);
    5747              : extern tree lhd_gcc_personality (void);
    5748              : extern void assign_assembler_name_if_needed (tree);
    5749              : extern bool warn_deprecated_use (tree, tree);
    5750              : extern void error_unavailable_use (tree, tree);
    5751              : extern tree cache_integer_cst (tree, bool might_duplicate = false);
    5752              : extern const char *combined_fn_name (combined_fn);
    5753              : 
    5754              : /* Returns true if X is a typedef decl.  */
    5755              : 
    5756              : inline bool
    5757  30240264869 : is_typedef_decl (const_tree x)
    5758              : {
    5759  24865821513 :   return (x && TREE_CODE (x) == TYPE_DECL
    5760  26443564532 :           && DECL_ORIGINAL_TYPE (x) != NULL_TREE);
    5761              : }
    5762              : 
    5763              : /* Returns true iff TYPE is a type variant created for a typedef. */
    5764              : 
    5765              : inline bool
    5766  23374294462 : typedef_variant_p (const_tree type)
    5767              : {
    5768  23374294462 :   return is_typedef_decl (TYPE_NAME (type));
    5769              : }
    5770              : 
    5771              : /* Compare and hash for any structure which begins with a canonical
    5772              :    pointer.  Assumes all pointers are interchangeable, which is sort
    5773              :    of already assumed by gcc elsewhere IIRC.  */
    5774              : 
    5775              : inline int
    5776              : struct_ptr_eq (const void *a, const void *b)
    5777              : {
    5778              :   const void * const * x = (const void * const *) a;
    5779              :   const void * const * y = (const void * const *) b;
    5780              :   return *x == *y;
    5781              : }
    5782              : 
    5783              : inline hashval_t
    5784              : struct_ptr_hash (const void *a)
    5785              : {
    5786              :   const void * const * x = (const void * const *) a;
    5787              :   return (intptr_t)*x >> 4;
    5788              : }
    5789              : 
    5790              : /* Return true if CODE can be treated as a truncating division.
    5791              : 
    5792              :    EXACT_DIV_EXPR can be treated as a truncating division in which the
    5793              :    remainder is known to be zero.  However, if trunc_div_p gates the
    5794              :    generation of new IL, the conservative choice for that new IL is
    5795              :    TRUNC_DIV_EXPR rather than CODE.  Using CODE (EXACT_DIV_EXPR) would
    5796              :    only be correct if the transformation preserves exactness.  */
    5797              : inline bool
    5798       782288 : trunc_or_exact_div_p (tree_code code)
    5799              : {
    5800       782288 :   return code == TRUNC_DIV_EXPR || code == EXACT_DIV_EXPR;
    5801              : }
    5802              : 
    5803              : /* Return nonzero if CODE is a tree code that represents a truth value.  */
    5804              : inline bool
    5805    197133691 : truth_value_p (enum tree_code code)
    5806              : {
    5807    197133691 :   return (TREE_CODE_CLASS (code) == tcc_comparison
    5808    182773465 :           || code == TRUTH_AND_EXPR || code == TRUTH_ANDIF_EXPR
    5809    182613722 :           || code == TRUTH_OR_EXPR || code == TRUTH_ORIF_EXPR
    5810    379615645 :           || code == TRUTH_XOR_EXPR || code == TRUTH_NOT_EXPR);
    5811              : }
    5812              : 
    5813              : /* Return whether TYPE is a type suitable for an offset for
    5814              :    a POINTER_PLUS_EXPR.  */
    5815              : inline bool
    5816    222675598 : ptrofftype_p (tree type)
    5817              : {
    5818    222675598 :   return (INTEGRAL_TYPE_P (type)
    5819    219211846 :           && TYPE_PRECISION (type) == TYPE_PRECISION (sizetype)
    5820    441858299 :           && TYPE_UNSIGNED (type) == TYPE_UNSIGNED (sizetype));
    5821              : }
    5822              : 
    5823              : /* Return true if the argument is a complete type or an array
    5824              :    of unknown bound (whose type is incomplete but) whose elements
    5825              :    have complete type.  */
    5826              : inline bool
    5827      7865958 : complete_or_array_type_p (const_tree type)
    5828              : {
    5829      7865958 :   return COMPLETE_TYPE_P (type)
    5830      7865958 :          || (TREE_CODE (type) == ARRAY_TYPE
    5831       130586 :              && COMPLETE_TYPE_P (TREE_TYPE (type)));
    5832              : }
    5833              : 
    5834              : /* Return true if the value of T could be represented as a poly_widest_int.  */
    5835              : 
    5836              : inline bool
    5837  19858000443 : poly_int_tree_p (const_tree t)
    5838              : {
    5839  14082562205 :   return (TREE_CODE (t) == INTEGER_CST || POLY_INT_CST_P (t));
    5840              : }
    5841              : 
    5842              : /* Return the bit size of BIT_FIELD_REF T, in cases where it is known
    5843              :    to be a poly_uint64.  (This is always true at the gimple level.)  */
    5844              : 
    5845              : inline poly_uint64
    5846       273919 : bit_field_size (const_tree t)
    5847              : {
    5848       273919 :   return tree_to_poly_uint64 (TREE_OPERAND (t, 1));
    5849              : }
    5850              : 
    5851              : /* Return the starting bit offset of BIT_FIELD_REF T, in cases where it is
    5852              :    known to be a poly_uint64.  (This is always true at the gimple level.)  */
    5853              : 
    5854              : inline poly_uint64
    5855       992171 : bit_field_offset (const_tree t)
    5856              : {
    5857       992171 :   return tree_to_poly_uint64 (TREE_OPERAND (t, 2));
    5858              : }
    5859              : 
    5860              : extern tree strip_float_extensions (tree);
    5861              : extern bool really_constant_p (const_tree);
    5862              : extern bool ptrdiff_tree_p (const_tree, poly_int64 *);
    5863              : extern bool decl_address_invariant_p (const_tree);
    5864              : extern bool decl_address_ip_invariant_p (const_tree);
    5865              : extern bool int_fits_type_p (const_tree, const_tree)
    5866              :   ATTRIBUTE_NONNULL (1) ATTRIBUTE_NONNULL (2) ATTRIBUTE_PURE;
    5867              : #ifndef GENERATOR_FILE
    5868              : extern void get_type_static_bounds (const_tree, mpz_t, mpz_t);
    5869              : #endif
    5870              : extern bool variably_modified_type_p (tree, tree);
    5871              : extern int tree_log2 (const_tree);
    5872              : extern int tree_floor_log2 (const_tree);
    5873              : extern unsigned int tree_ctz (const_tree);
    5874              : extern int simple_cst_equal (const_tree, const_tree);
    5875              : 
    5876              : namespace inchash
    5877              : {
    5878              : 
    5879              : extern void add_expr (const_tree, hash &, unsigned int = 0);
    5880              : 
    5881              : }
    5882              : 
    5883              : /* Compat version until all callers are converted. Return hash for
    5884              :    TREE with SEED.  */
    5885   1012582504 : inline hashval_t iterative_hash_expr(const_tree tree, hashval_t seed)
    5886              : {
    5887   1007111557 :   inchash::hash hstate (seed);
    5888   1007111557 :   inchash::add_expr (tree, hstate);
    5889   1004702612 :   return hstate.end ();
    5890              : }
    5891              : 
    5892              : extern int compare_tree_int (const_tree, unsigned HOST_WIDE_INT);
    5893              : extern bool type_list_equal (const_tree, const_tree);
    5894              : extern bool chain_member (const_tree, const_tree);
    5895              : extern void dump_tree_statistics (void);
    5896              : extern void recompute_tree_invariant_for_addr_expr (tree);
    5897              : extern bool needs_to_live_in_memory (const_tree);
    5898              : extern tree reconstruct_complex_type (tree, tree);
    5899              : extern bool real_onep (const_tree);
    5900              : extern bool real_minus_onep (const_tree);
    5901              : extern bool real_maybe_zerop (const_tree);
    5902              : extern void init_ttree (void);
    5903              : extern void build_common_tree_nodes (bool);
    5904              : extern void build_common_builtin_nodes (void);
    5905              : extern void tree_cc_finalize (void);
    5906              : extern tree build_nonstandard_integer_type (unsigned HOST_WIDE_INT, int);
    5907              : extern tree build_nonstandard_boolean_type (unsigned HOST_WIDE_INT);
    5908              : extern tree build_bitint_type (unsigned HOST_WIDE_INT, int);
    5909              : extern tree build_range_type (tree, tree, tree);
    5910              : extern tree build_nonshared_range_type (tree, tree, tree);
    5911              : extern bool subrange_type_for_debug_p (const_tree, tree *, tree *);
    5912              : extern HOST_WIDE_INT int_cst_value (const_tree);
    5913              : extern tree tree_block (tree);
    5914              : extern void tree_set_block (tree, tree);
    5915              : extern location_t *block_nonartificial_location (tree);
    5916              : extern location_t tree_nonartificial_location (tree);
    5917              : extern location_t tree_inlined_location (tree, bool = true);
    5918              : extern tree block_ultimate_origin (const_tree);
    5919              : extern tree get_binfo_at_offset (tree, poly_int64, tree);
    5920              : extern bool virtual_method_call_p (const_tree, bool = false);
    5921              : extern tree obj_type_ref_class (const_tree ref, bool = false);
    5922              : extern bool types_same_for_odr (const_tree type1, const_tree type2);
    5923              : extern bool contains_bitfld_component_ref_p (const_tree);
    5924              : extern bool block_may_fallthru (const_tree);
    5925              : extern void using_eh_for_cleanups (void);
    5926              : extern bool using_eh_for_cleanups_p (void);
    5927              : extern const char *get_tree_code_name (enum tree_code);
    5928              : extern void set_call_expr_flags (tree, int);
    5929              : extern tree walk_tree_1 (tree*, walk_tree_fn, void*, hash_set<tree>*,
    5930              :                          walk_tree_lh);
    5931              : extern tree walk_tree_without_duplicates_1 (tree*, walk_tree_fn, void*,
    5932              :                                             walk_tree_lh);
    5933              : #define walk_tree(a,b,c,d) \
    5934              :         walk_tree_1 (a, b, c, d, NULL)
    5935              : #define walk_tree_without_duplicates(a,b,c) \
    5936              :         walk_tree_without_duplicates_1 (a, b, c, NULL)
    5937              : 
    5938              : extern tree drop_tree_overflow (tree);
    5939              : 
    5940              : /* Given a memory reference expression T, return its base address.
    5941              :    The base address of a memory reference expression is the main
    5942              :    object being referenced.  */
    5943              : extern tree get_base_address (tree t);
    5944              : 
    5945              : /* Return a tree of sizetype representing the size, in bytes, of the element
    5946              :    of EXP, an ARRAY_REF or an ARRAY_RANGE_REF.  */
    5947              : extern tree array_ref_element_size (tree);
    5948              : 
    5949              : /* Return a typenode for the "standard" C type with a given name.  */
    5950              : extern tree get_typenode_from_name (const char *);
    5951              : 
    5952              : /* Return a tree representing the upper bound of the array mentioned in
    5953              :    EXP, an ARRAY_REF or an ARRAY_RANGE_REF.  */
    5954              : extern tree array_ref_up_bound (tree);
    5955              : 
    5956              : /* Return a tree representing the lower bound of the array mentioned in
    5957              :    EXP, an ARRAY_REF or an ARRAY_RANGE_REF.  */
    5958              : extern tree array_ref_low_bound (tree);
    5959              : 
    5960              : /* Returns true if REF is an array reference, a component reference,
    5961              :    or a memory reference to an array whose actual size might be larger
    5962              :    than its upper bound implies.  */
    5963              : extern bool array_ref_flexible_size_p (tree, bool * = NULL);
    5964              : 
    5965              : /* Return a tree representing the offset, in bytes, of the field referenced
    5966              :    by EXP.  This does not include any offset in DECL_FIELD_BIT_OFFSET.  */
    5967              : extern tree component_ref_field_offset (tree);
    5968              : 
    5969              : /* Describes a "special" array member for a COMPONENT_REF.  */
    5970              : enum struct special_array_member
    5971              :   {
    5972              :     none,       /* Not a special array member.  */
    5973              :     int_0,      /* Interior array member with zero elements.  */
    5974              :     trail_0,    /* Trailing array member with zero elements.  */
    5975              :     trail_1,    /* Trailing array member with one element.  */
    5976              :     trail_n,    /* Trailing array member with two or more elements.  */
    5977              :     int_n       /* Interior array member with one or more elements.  */
    5978              :   };
    5979              : 
    5980              : /* Determines the special array member type for a COMPONENT_REF.  */
    5981              : extern special_array_member component_ref_sam_type (tree);
    5982              : 
    5983              : /* Return the size of the member referenced by the COMPONENT_REF, using
    5984              :    its initializer expression if necessary in order to determine the size
    5985              :    of an initialized flexible array member.  The size might be zero for
    5986              :    an object with an uninitialized flexible array member or null if it
    5987              :    cannot be determined.  */
    5988              : extern tree component_ref_size (tree, special_array_member * = NULL);
    5989              : 
    5990              : /* Return true if the given node is a call to a .ACCESS_WITH_SIZE
    5991              :    function.  */
    5992              : extern bool is_access_with_size_p (const_tree);
    5993              : 
    5994              : /* Get the corresponding reference from the call to a .ACCESS_WITH_SIZE,
    5995              :  * i.e. the first argument of this call.  Return NULL_TREE otherwise.  */
    5996              : extern tree get_ref_from_access_with_size (tree);
    5997              : 
    5998              : extern int tree_map_base_eq (const void *, const void *);
    5999              : extern unsigned int tree_map_base_hash (const void *);
    6000              : extern bool tree_map_base_marked_p (const void *);
    6001              : extern void DEBUG_FUNCTION verify_type (const_tree t);
    6002              : extern bool gimple_canonical_types_compatible_p (const_tree, const_tree,
    6003              :                                                  bool trust_type_canonical = true);
    6004              : extern bool type_with_interoperable_signedness (const_tree);
    6005              : extern bitmap get_nonnull_args (const_tree);
    6006              : extern int get_range_pos_neg (tree, gimple * = NULL);
    6007              : 
    6008              : /* Return true for a valid pair of new and delete operators.  */
    6009              : extern bool valid_new_delete_pair_p (tree, tree, bool * = NULL);
    6010              : 
    6011              : /* Return whether the second argument is a subtree of the first one.  */
    6012              : extern bool find_tree (tree, tree);
    6013              : 
    6014              : /* Return simplified tree code of type that is used for canonical type
    6015              :    merging.  */
    6016              : inline enum tree_code
    6017    657486142 : tree_code_for_canonical_type_merging (enum tree_code code)
    6018              : {
    6019              :   /* By C standard, each enumerated type shall be compatible with char,
    6020              :      a signed integer, or an unsigned integer.  The choice of type is
    6021              :      implementation defined (in our case it depends on -fshort-enum).
    6022              : 
    6023              :      For this reason we make no distinction between ENUMERAL_TYPE and INTEGER
    6024              :      type and compare only by their signedness and precision.  */
    6025    653342060 :   if (code == ENUMERAL_TYPE)
    6026              :     return INTEGER_TYPE;
    6027              :   /* To allow inter-operability between languages having references and
    6028              :      C, we consider reference types and pointers alike.  Note that this is
    6029              :      not strictly necessary for C-Fortran 2008 interoperability because
    6030              :      Fortran define C_PTR type that needs to be compatible with C pointers
    6031              :      and we handle this one as ptr_type_node.  */
    6032    649302619 :   if (code == REFERENCE_TYPE)
    6033     38662448 :     return POINTER_TYPE;
    6034              :   return code;
    6035              : }
    6036              : 
    6037              : /* Return true if get_alias_set care about TYPE_CANONICAL of given type.
    6038              :    We don't define the types for pointers, arrays and vectors.  The reason is
    6039              :    that pointers are handled specially: ptr_type_node accesses conflict with
    6040              :    accesses to all other pointers.  This is done by alias.cc.
    6041              :    Because alias sets of arrays and vectors are the same as types of their
    6042              :    elements, we can't compute canonical type either.  Otherwise we could go
    6043              :    form void *[10] to int *[10] (because they are equivalent for canonical type
    6044              :    machinery) and get wrong TBAA.  */
    6045              : 
    6046              : inline bool
    6047    266631642 : canonical_type_used_p (const_tree t)
    6048              : {
    6049    270568993 :   return !(POINTER_TYPE_P (t)
    6050      4082449 :            || TREE_CODE (t) == ARRAY_TYPE
    6051              :            || TREE_CODE (t) == VECTOR_TYPE);
    6052              : }
    6053              : 
    6054              : /* Kinds of access to pass-by-reference arguments to functions.  */
    6055              : enum access_mode
    6056              : {
    6057              :   access_none = 0,
    6058              :   access_read_only = 1,
    6059              :   access_write_only = 2,
    6060              :   access_read_write = access_read_only | access_write_only,
    6061              :   access_deferred = 4
    6062              : };
    6063              : 
    6064              : #define tree_map_eq tree_map_base_eq
    6065              : extern unsigned int tree_map_hash (const void *);
    6066              : #define tree_map_marked_p tree_map_base_marked_p
    6067              : 
    6068              : #define tree_decl_map_eq tree_map_base_eq
    6069              : extern unsigned int tree_decl_map_hash (const void *);
    6070              : #define tree_decl_map_marked_p tree_map_base_marked_p
    6071              : 
    6072              : struct tree_decl_map_cache_hasher : ggc_cache_ptr_hash<tree_decl_map>
    6073              : {
    6074   1152865659 :   static hashval_t hash (tree_decl_map *m) { return tree_decl_map_hash (m); }
    6075              :   static bool
    6076   1689590535 :   equal (tree_decl_map *a, tree_decl_map *b)
    6077              :   {
    6078   1689590535 :     return tree_decl_map_eq (a, b);
    6079              :   }
    6080              : 
    6081              :   static int
    6082     22578752 :   keep_cache_entry (tree_decl_map *&m)
    6083              :   {
    6084     22578752 :     return ggc_marked_p (m->base.from);
    6085              :   }
    6086              : };
    6087              : 
    6088              : #define tree_int_map_eq tree_map_base_eq
    6089              : #define tree_int_map_hash tree_map_base_hash
    6090              : #define tree_int_map_marked_p tree_map_base_marked_p
    6091              : 
    6092              : #define tree_vec_map_eq tree_map_base_eq
    6093              : #define tree_vec_map_hash tree_decl_map_hash
    6094              : #define tree_vec_map_marked_p tree_map_base_marked_p
    6095              : 
    6096              : struct tree_vec_map_cache_hasher : ggc_cache_ptr_hash<tree_vec_map>
    6097              : {
    6098      6041244 :   static hashval_t hash (tree_vec_map *m) { return DECL_UID (m->base.from); }
    6099              : 
    6100              :   static bool
    6101      6919075 :   equal (tree_vec_map *a, tree_vec_map *b)
    6102              :   {
    6103      6919075 :     return a->base.from == b->base.from;
    6104              :   }
    6105              : 
    6106              :   static int
    6107       832428 :   keep_cache_entry (tree_vec_map *&m)
    6108              :   {
    6109       832428 :     return ggc_marked_p (m->base.from);
    6110              :   }
    6111              : };
    6112              : 
    6113              : /* Hasher for tree decls.  Pointer equality is enough here, but the DECL_UID
    6114              :    is a better hash than the pointer value and gives a predictable traversal
    6115              :    order.  Additionally it can be used across PCH save/restore.  */
    6116              : struct tree_decl_hash : ggc_ptr_hash <tree_node>
    6117              : {
    6118              :   static inline hashval_t hash (tree);
    6119              : };
    6120              : 
    6121              : inline hashval_t
    6122   6312085158 : tree_decl_hash::hash (tree t)
    6123              : {
    6124   6312085158 :   return DECL_UID (t);
    6125              : }
    6126              : 
    6127              : /* Similarly for types.  Uses TYPE_UID as hash function.  */
    6128              : struct tree_type_hash : ggc_ptr_hash <tree_node>
    6129              : {
    6130              :   static inline hashval_t hash (tree);
    6131              : };
    6132              : 
    6133              : inline hashval_t
    6134     74098124 : tree_type_hash::hash (tree t)
    6135              : {
    6136     74098124 :   return TYPE_UID (t);
    6137              : }
    6138              : 
    6139              : /* Hash for SSA_NAMEs in the same function.  Pointer equality is enough
    6140              :    here, but the SSA_NAME_VERSION is a better hash than the pointer
    6141              :    value and gives a predictable traversal order.  */
    6142              : struct tree_ssa_name_hash : ggc_ptr_hash <tree_node>
    6143              : {
    6144              :   static inline hashval_t hash (tree);
    6145              : };
    6146              : 
    6147              : inline hashval_t
    6148     95294019 : tree_ssa_name_hash::hash (tree t)
    6149              : {
    6150     95294019 :   return SSA_NAME_VERSION (t);
    6151              : }
    6152              : 
    6153              : /* Hasher for general trees, based on their TREE_HASH.  */
    6154              : struct tree_hash : ggc_ptr_hash <tree_node>
    6155              : {
    6156              :   static hashval_t hash (tree);
    6157              : };
    6158              : 
    6159              : inline hashval_t
    6160        64264 : tree_hash::hash (tree t)
    6161              : {
    6162        64264 :   return TREE_HASH (t);
    6163              : }
    6164              : 
    6165              : /* A hash_map of two trees for use with GTY((cache)).  Garbage collection for
    6166              :    such a map will not mark keys, and will mark values if the key is already
    6167              :    marked.  */
    6168              : struct tree_cache_traits
    6169              :   : simple_cache_map_traits<default_hash_traits<tree>, tree> { };
    6170              : typedef hash_map<tree,tree,tree_cache_traits> tree_cache_map;
    6171              : 
    6172              : /* Similarly, but use DECL_UID as hash function rather than pointer hashing.
    6173              :    This is for hash_maps from decls to trees that need to work across PCH.  */
    6174              : struct decl_tree_cache_traits
    6175              :   : simple_cache_map_traits<tree_decl_hash, tree> { };
    6176              : typedef hash_map<tree,tree,decl_tree_cache_traits> decl_tree_cache_map;
    6177              : 
    6178              : /* Similarly, but use TYPE_UID as hash function rather than pointer hashing.
    6179              :    This is for hash_maps from types to trees that need to work across PCH.  */
    6180              : struct type_tree_cache_traits
    6181              :   : simple_cache_map_traits<tree_type_hash, tree> { };
    6182              : typedef hash_map<tree,tree,type_tree_cache_traits> type_tree_cache_map;
    6183              : 
    6184              : /* Similarly to decl_tree_cache_map, but without caching.  */
    6185              : struct decl_tree_traits
    6186              :   : simple_hashmap_traits<tree_decl_hash, tree> { };
    6187              : typedef hash_map<tree,tree,decl_tree_traits> decl_tree_map;
    6188              : 
    6189              : /* Initialize the abstract argument list iterator object ITER with the
    6190              :    arguments from CALL_EXPR node EXP.  */
    6191              : inline void
    6192    171949871 : init_call_expr_arg_iterator (tree exp, call_expr_arg_iterator *iter)
    6193              : {
    6194    171949871 :   iter->t = exp;
    6195    171949871 :   iter->n = call_expr_nargs (exp);
    6196    171949871 :   iter->i = 0;
    6197    171949871 : }
    6198              : 
    6199              : inline void
    6200      2024717 : init_const_call_expr_arg_iterator (const_tree exp, const_call_expr_arg_iterator *iter)
    6201              : {
    6202      2024717 :   iter->t = exp;
    6203      2024717 :   iter->n = call_expr_nargs (exp);
    6204      2024717 :   iter->i = 0;
    6205      2024717 : }
    6206              : 
    6207              : /* Return the next argument from abstract argument list iterator object ITER,
    6208              :    and advance its state.  Return NULL_TREE if there are no more arguments.  */
    6209              : inline tree
    6210    246519677 : next_call_expr_arg (call_expr_arg_iterator *iter)
    6211              : {
    6212    246519677 :   tree result;
    6213    246519677 :   if (iter->i >= iter->n)
    6214              :     return NULL_TREE;
    6215    119164543 :   result = CALL_EXPR_ARG (iter->t, iter->i);
    6216    119164543 :   iter->i++;
    6217    119164543 :   return result;
    6218              : }
    6219              : 
    6220              : inline const_tree
    6221      4037223 : next_const_call_expr_arg (const_call_expr_arg_iterator *iter)
    6222              : {
    6223      4037223 :   const_tree result;
    6224      4037223 :   if (iter->i >= iter->n)
    6225              :     return NULL_TREE;
    6226      3262399 :   result = CALL_EXPR_ARG (iter->t, iter->i);
    6227      3262399 :   iter->i++;
    6228      3262399 :   return result;
    6229              : }
    6230              : 
    6231              : /* Initialize the abstract argument list iterator object ITER, then advance
    6232              :    past and return the first argument.  Useful in for expressions, e.g.
    6233              :      for (arg = first_call_expr_arg (exp, &iter); arg;
    6234              :           arg = next_call_expr_arg (&iter))   */
    6235              : inline tree
    6236    127355361 : first_call_expr_arg (tree exp, call_expr_arg_iterator *iter)
    6237              : {
    6238    127355361 :   init_call_expr_arg_iterator (exp, iter);
    6239    127355361 :   return next_call_expr_arg (iter);
    6240              : }
    6241              : 
    6242              : inline const_tree
    6243       991767 : first_const_call_expr_arg (const_tree exp, const_call_expr_arg_iterator *iter)
    6244              : {
    6245       991767 :   init_const_call_expr_arg_iterator (exp, iter);
    6246       991767 :   return next_const_call_expr_arg (iter);
    6247              : }
    6248              : 
    6249              : /* Test whether there are more arguments in abstract argument list iterator
    6250              :    ITER, without changing its state.  */
    6251              : inline bool
    6252     23780312 : more_call_expr_args_p (const call_expr_arg_iterator *iter)
    6253              : {
    6254     23780312 :   return (iter->i < iter->n);
    6255              : }
    6256              : 
    6257              : /* Iterate through each argument ARG of CALL_EXPR CALL, using variable ITER
    6258              :    (of type call_expr_arg_iterator) to hold the iteration state.  */
    6259              : #define FOR_EACH_CALL_EXPR_ARG(arg, iter, call)                 \
    6260              :   for ((arg) = first_call_expr_arg ((call), &(iter)); (arg);        \
    6261              :        (arg) = next_call_expr_arg (&(iter)))
    6262              : 
    6263              : #define FOR_EACH_CONST_CALL_EXPR_ARG(arg, iter, call)                   \
    6264              :   for ((arg) = first_const_call_expr_arg ((call), &(iter)); (arg);  \
    6265              :        (arg) = next_const_call_expr_arg (&(iter)))
    6266              : 
    6267              : /* Return true if tree node T is a language-specific node.  */
    6268              : inline bool
    6269    164105354 : is_lang_specific (const_tree t)
    6270              : {
    6271    164105354 :   return TREE_CODE (t) == LANG_TYPE || TREE_CODE (t) >= NUM_TREE_CODES;
    6272              : }
    6273              : 
    6274              : /* Valid builtin number.  */
    6275              : #define BUILTIN_VALID_P(FNCODE) \
    6276              :   (IN_RANGE ((int)FNCODE, ((int)BUILT_IN_NONE) + 1, ((int) END_BUILTINS) - 1))
    6277              : 
    6278              : /* Obtain a pointer to the identifier string holding the asm name for
    6279              :    BUILTIN, a BUILT_IN code.  This is handy if the target
    6280              :    mangles/overrides the function name that implements the
    6281              :    builtin.  */
    6282              : #define BUILTIN_ASM_NAME_PTR(BUILTIN) \
    6283              :   (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (builtin_decl_explicit (BUILTIN))))
    6284              : 
    6285              : /* Return the tree node for an explicit standard builtin function or NULL.  */
    6286              : inline tree
    6287    341348921 : builtin_decl_explicit (enum built_in_function fncode)
    6288              : {
    6289    320100988 :   gcc_checking_assert (BUILTIN_VALID_P (fncode));
    6290              : 
    6291    326479039 :   return builtin_info[(size_t)fncode].decl;
    6292              : }
    6293              : 
    6294              : /* Return the tree node for an implicit builtin function or NULL.  */
    6295              : inline tree
    6296       871828 : builtin_decl_implicit (enum built_in_function fncode)
    6297              : {
    6298       871828 :   size_t uns_fncode = (size_t)fncode;
    6299       388047 :   gcc_checking_assert (BUILTIN_VALID_P (fncode));
    6300              : 
    6301       871828 :   if (!builtin_info[uns_fncode].implicit_p)
    6302              :     return NULL_TREE;
    6303              : 
    6304       870303 :   return builtin_info[uns_fncode].decl;
    6305              : }
    6306              : 
    6307              : /* For BUILTIN_UNREACHABLE, use one of these or
    6308              :    gimple_build_builtin_unreachable instead of one of the above.  */
    6309              : extern tree builtin_decl_unreachable ();
    6310              : extern tree build_builtin_unreachable (location_t);
    6311              : 
    6312              : /* Set explicit builtin function nodes and whether it is an implicit
    6313              :    function.  */
    6314              : 
    6315              : inline void
    6316    359801564 : set_builtin_decl (enum built_in_function fncode, tree decl, bool implicit_p)
    6317              : {
    6318    359801564 :   size_t ufncode = (size_t)fncode;
    6319              : 
    6320    359801564 :   gcc_checking_assert (BUILTIN_VALID_P (fncode)
    6321              :                        && (decl != NULL_TREE || !implicit_p));
    6322              : 
    6323    359801564 :   builtin_info[ufncode].decl = decl;
    6324    359801564 :   builtin_info[ufncode].implicit_p = implicit_p;
    6325    359801564 :   builtin_info[ufncode].declared_p = false;
    6326    359801564 : }
    6327              : 
    6328              : /* Set the implicit flag for a builtin function.  */
    6329              : 
    6330              : inline void
    6331      1291306 : set_builtin_decl_implicit_p (enum built_in_function fncode, bool implicit_p)
    6332              : {
    6333      1291306 :   size_t uns_fncode = (size_t)fncode;
    6334              : 
    6335      1291306 :   gcc_checking_assert (BUILTIN_VALID_P (fncode)
    6336              :                        && builtin_info[uns_fncode].decl != NULL_TREE);
    6337              : 
    6338      1291306 :   builtin_info[uns_fncode].implicit_p = implicit_p;
    6339      1291306 : }
    6340              : 
    6341              : /* Set the declared flag for a builtin function.  */
    6342              : 
    6343              : inline void
    6344      7752083 : set_builtin_decl_declared_p (enum built_in_function fncode, bool declared_p)
    6345              : {
    6346      7752083 :   size_t uns_fncode = (size_t)fncode;
    6347              : 
    6348      7752083 :   gcc_checking_assert (BUILTIN_VALID_P (fncode)
    6349              :                        && builtin_info[uns_fncode].decl != NULL_TREE);
    6350              : 
    6351      7752083 :   builtin_info[uns_fncode].declared_p = declared_p;
    6352      7752083 : }
    6353              : 
    6354              : /* Return whether the standard builtin function can be used as an explicit
    6355              :    function.  */
    6356              : 
    6357              : inline bool
    6358     21770641 : builtin_decl_explicit_p (enum built_in_function fncode)
    6359              : {
    6360     21770641 :   gcc_checking_assert (BUILTIN_VALID_P (fncode));
    6361     19180004 :   return (builtin_info[(size_t)fncode].decl != NULL_TREE);
    6362              : }
    6363              : 
    6364              : /* Return whether the standard builtin function can be used implicitly.  */
    6365              : 
    6366              : inline bool
    6367       150984 : builtin_decl_implicit_p (enum built_in_function fncode)
    6368              : {
    6369       150984 :   size_t uns_fncode = (size_t)fncode;
    6370              : 
    6371       150984 :   gcc_checking_assert (BUILTIN_VALID_P (fncode));
    6372       150984 :   return (builtin_info[uns_fncode].decl != NULL_TREE
    6373       150978 :           && builtin_info[uns_fncode].implicit_p);
    6374              : }
    6375              : 
    6376              : /* Return whether the standard builtin function was declared.  */
    6377              : 
    6378              : inline bool
    6379      3944933 : builtin_decl_declared_p (enum built_in_function fncode)
    6380              : {
    6381      3944933 :   size_t uns_fncode = (size_t)fncode;
    6382              : 
    6383      3944933 :   gcc_checking_assert (BUILTIN_VALID_P (fncode));
    6384      3944933 :   return (builtin_info[uns_fncode].decl != NULL_TREE
    6385      3944933 :           && builtin_info[uns_fncode].declared_p);
    6386              : }
    6387              : 
    6388              : /* Determine if the function identified by FNDECL is one that
    6389              :    makes sense to match by name, for those places where we detect
    6390              :    "magic" functions by name.
    6391              : 
    6392              :    Return true if FNDECL has a name and is an extern fndecl at file scope.
    6393              :    FNDECL must be a non-NULL decl.
    6394              : 
    6395              :    Avoid using this, as it's generally better to use attributes rather
    6396              :    than to check for functions by name.  */
    6397              : 
    6398              : inline bool
    6399   4410640479 : maybe_special_function_p (const_tree fndecl)
    6400              : {
    6401   4410640479 :   tree name_decl = DECL_NAME (fndecl);
    6402   4410640479 :   if (name_decl
    6403              :       /* Exclude functions not at the file scope, or not `extern',
    6404              :          since they are not the magic functions we would otherwise
    6405              :          think they are.  */
    6406   4410640479 :       && (DECL_CONTEXT (fndecl) == NULL_TREE
    6407   2792436631 :           || TREE_CODE (DECL_CONTEXT (fndecl)) == TRANSLATION_UNIT_DECL)
    6408   7651873581 :       && TREE_PUBLIC (fndecl))
    6409   3083652503 :     return true;
    6410              :   return false;
    6411              : }
    6412              : 
    6413              : /* Return true if T (assumed to be a DECL) is a global variable.
    6414              :    A variable is considered global if its storage is not automatic.  */
    6415              : 
    6416              : inline bool
    6417   2579529381 : is_global_var (const_tree t)
    6418              : {
    6419   2579529381 :   return (TREE_STATIC (t) || DECL_EXTERNAL (t));
    6420              : }
    6421              : 
    6422              : /* Return true if VAR may be aliased.  A variable is considered as
    6423              :    maybe aliased if it has its address taken by the local TU
    6424              :    or possibly by another TU and might be modified through a pointer.  */
    6425              : 
    6426              : inline bool
    6427    703858135 : may_be_aliased (const_tree var)
    6428              : {
    6429    703858135 :   return (TREE_CODE (var) != CONST_DECL
    6430    703306438 :           && (TREE_PUBLIC (var)
    6431    678140970 :               || DECL_EXTERNAL (var)
    6432    678140859 :               || TREE_ADDRESSABLE (var))
    6433    947574998 :           && !((TREE_STATIC (var) || TREE_PUBLIC (var) || DECL_EXTERNAL (var))
    6434     35591357 :                && (TREE_READONLY (var)
    6435     30420820 :                    || (TREE_CODE (var) == VAR_DECL
    6436     29583777 :                        && DECL_NONALIASED (var)))));
    6437              : }
    6438              : 
    6439              : /* Return pointer to optimization flags of FNDECL.  */
    6440              : inline struct cl_optimization *
    6441   3163060424 : opts_for_fn (const_tree fndecl)
    6442              : {
    6443   3163060424 :   tree fn_opts = DECL_FUNCTION_SPECIFIC_OPTIMIZATION (fndecl);
    6444   3163060424 :   if (fn_opts == NULL_TREE)
    6445   2878580527 :     fn_opts = optimization_default_node;
    6446   3163060424 :   return TREE_OPTIMIZATION (fn_opts);
    6447              : }
    6448              : 
    6449              : /* Return pointer to target flags of FNDECL.  */
    6450              : inline cl_target_option *
    6451      4099299 : target_opts_for_fn (const_tree fndecl)
    6452              : {
    6453      4099299 :   tree fn_opts = DECL_FUNCTION_SPECIFIC_TARGET (fndecl);
    6454      4099299 :   if (fn_opts == NULL_TREE)
    6455      2351679 :     fn_opts = target_option_default_node;
    6456      6450978 :   return fn_opts == NULL_TREE ? NULL : TREE_TARGET_OPTION (fn_opts);
    6457              : }
    6458              : 
    6459              : /* opt flag for function FNDECL, e.g. opts_for_fn (fndecl, optimize) is
    6460              :    the optimization level of function fndecl.  */
    6461              : #define opt_for_fn(fndecl, opt) (opts_for_fn (fndecl)->x_##opt)
    6462              : 
    6463              : /* For anonymous aggregate types, we need some sort of name to
    6464              :    hold on to.  In practice, this should not appear, but it should
    6465              :    not be harmful if it does.  Identifiers returned will be
    6466              :    IDENTIFIER_ANON_P.  */
    6467              : extern tree make_anon_name ();
    6468              : 
    6469              : /* The tree and const_tree overload templates.   */
    6470              : namespace wi
    6471              : {
    6472              :   class unextended_tree
    6473              :   {
    6474              :   private:
    6475              :     const_tree m_t;
    6476              : 
    6477              :   public:
    6478              :     unextended_tree () {}
    6479   1270102162 :     unextended_tree (const_tree t) : m_t (t) {}
    6480              : 
    6481              :     unsigned int get_precision () const;
    6482              :     const HOST_WIDE_INT *get_val () const;
    6483              :     unsigned int get_len () const;
    6484              :     const_tree get_tree () const { return m_t; }
    6485              :   };
    6486              : 
    6487              :   template <>
    6488              :   struct int_traits <unextended_tree>
    6489              :   {
    6490              :     static const enum precision_type precision_type = VAR_PRECISION;
    6491              :     static const bool host_dependent_precision = false;
    6492              :     static const bool is_sign_extended = false;
    6493              :     static const bool needs_write_val_arg = false;
    6494              :   };
    6495              : 
    6496              :   template <int N>
    6497              :   class extended_tree
    6498              :   {
    6499              :   private:
    6500              :     const_tree m_t;
    6501              : 
    6502              :   public:
    6503              :     extended_tree () {}
    6504              :     extended_tree (const_tree);
    6505              : 
    6506              :     unsigned int get_precision () const;
    6507              :     const HOST_WIDE_INT *get_val () const;
    6508              :     unsigned int get_len () const;
    6509              :     const_tree get_tree () const { return m_t; }
    6510              :   };
    6511              : 
    6512              :   template <int N>
    6513              :   struct int_traits <extended_tree <N> >
    6514              :   {
    6515              :     static const enum precision_type precision_type
    6516              :       = N == ADDR_MAX_PRECISION ? INL_CONST_PRECISION : CONST_PRECISION;
    6517              :     static const bool host_dependent_precision = false;
    6518              :     static const bool is_sign_extended = true;
    6519              :     static const bool needs_write_val_arg = false;
    6520              :     static const unsigned int precision = N;
    6521              :   };
    6522              : 
    6523              :   typedef extended_tree <WIDEST_INT_MAX_PRECISION> widest_extended_tree;
    6524              :   typedef extended_tree <ADDR_MAX_PRECISION> offset_extended_tree;
    6525              : 
    6526              :   typedef const generic_wide_int <widest_extended_tree> tree_to_widest_ref;
    6527              :   typedef const generic_wide_int <offset_extended_tree> tree_to_offset_ref;
    6528              :   typedef const generic_wide_int<wide_int_ref_storage<false, false> >
    6529              :     tree_to_wide_ref;
    6530              : 
    6531              :   tree_to_widest_ref to_widest (const_tree);
    6532              :   tree_to_offset_ref to_offset (const_tree);
    6533              :   tree_to_wide_ref to_wide (const_tree);
    6534              :   wide_int to_wide (const_tree, unsigned int);
    6535              : 
    6536              :   typedef const poly_int <NUM_POLY_INT_COEFFS,
    6537              :                           generic_wide_int <widest_extended_tree> >
    6538              :     tree_to_poly_widest_ref;
    6539              :   typedef const poly_int <NUM_POLY_INT_COEFFS,
    6540              :                           generic_wide_int <offset_extended_tree> >
    6541              :     tree_to_poly_offset_ref;
    6542              :   typedef const poly_int <NUM_POLY_INT_COEFFS,
    6543              :                           generic_wide_int <unextended_tree> >
    6544              :     tree_to_poly_wide_ref;
    6545              : 
    6546              :   tree_to_poly_widest_ref to_poly_widest (const_tree);
    6547              :   tree_to_poly_offset_ref to_poly_offset (const_tree);
    6548              :   tree_to_poly_wide_ref to_poly_wide (const_tree);
    6549              : 
    6550              :   template <int N>
    6551              :   struct ints_for <generic_wide_int <extended_tree <N> >, INL_CONST_PRECISION>
    6552              :   {
    6553              :     typedef generic_wide_int <extended_tree <N> > extended;
    6554              :     static extended zero (const extended &);
    6555              :   };
    6556              : 
    6557              :   template <int N>
    6558              :   struct ints_for <generic_wide_int <extended_tree <N> >, CONST_PRECISION>
    6559              :   {
    6560              :     typedef generic_wide_int <extended_tree <N> > extended;
    6561              :     static extended zero (const extended &);
    6562              :   };
    6563              : 
    6564              :   template <>
    6565              :   struct ints_for <generic_wide_int <unextended_tree>, VAR_PRECISION>
    6566              :   {
    6567              :     typedef generic_wide_int <unextended_tree> unextended;
    6568              :     static unextended zero (const unextended &);
    6569              :   };
    6570              : }
    6571              : 
    6572              : /* Used to convert a tree to a widest2_int like this:
    6573              :    widest2_int foo = widest2_int_cst (some_tree).  */
    6574              : typedef generic_wide_int <wi::extended_tree <WIDEST_INT_MAX_PRECISION * 2> >
    6575              :   widest2_int_cst;
    6576              : 
    6577              : /* Refer to INTEGER_CST T as though it were a widest_int.
    6578              : 
    6579              :    This function gives T's actual numerical value, influenced by the
    6580              :    signedness of its type.  For example, a signed byte with just the
    6581              :    top bit set would be -128 while an unsigned byte with the same
    6582              :    bit pattern would be 128.
    6583              : 
    6584              :    This is the right choice when operating on groups of INTEGER_CSTs
    6585              :    that might have different signedness or precision.  It is also the
    6586              :    right choice in code that specifically needs an approximation of
    6587              :    infinite-precision arithmetic instead of normal modulo arithmetic.
    6588              : 
    6589              :    The approximation of infinite precision is good enough for realistic
    6590              :    numbers of additions and subtractions of INTEGER_CSTs (where
    6591              :    "realistic" includes any number less than 1 << 31) but it cannot
    6592              :    represent the result of multiplying the two largest supported
    6593              :    INTEGER_CSTs.  The overflow-checking form of wi::mul provides a way
    6594              :    of multiplying two arbitrary INTEGER_CSTs and checking that the
    6595              :    result is representable as a widest_int.
    6596              : 
    6597              :    Note that any overflow checking done on these values is relative to
    6598              :    the range of widest_int rather than the range of a TREE_TYPE.
    6599              : 
    6600              :    Calling this function should have no overhead in release builds,
    6601              :    so it is OK to call it several times for the same tree.  If it is
    6602              :    useful for readability reasons to reduce the number of calls,
    6603              :    it is more efficient to use:
    6604              : 
    6605              :      wi::tree_to_widest_ref wt = wi::to_widest (t);
    6606              : 
    6607              :    instead of:
    6608              : 
    6609              :      widest_int wt = wi::to_widest (t).  */
    6610              : 
    6611              : inline wi::tree_to_widest_ref
    6612   3929086581 : wi::to_widest (const_tree t)
    6613              : {
    6614  12732372089 :   return t;
    6615              : }
    6616              : 
    6617              : /* Refer to INTEGER_CST T as though it were an offset_int.
    6618              : 
    6619              :    This function is an optimisation of wi::to_widest for cases
    6620              :    in which T is known to be a bit or byte count in the range
    6621              :    (-(2 ^ (N + BITS_PER_UNIT)), 2 ^ (N + BITS_PER_UNIT)), where N is
    6622              :    the target's address size in bits.
    6623              : 
    6624              :    This is the right choice when operating on bit or byte counts as
    6625              :    untyped numbers rather than M-bit values.  The wi::to_widest comments
    6626              :    about addition, subtraction and multiplication apply here: sequences
    6627              :    of 1 << 31 additions and subtractions do not induce overflow, but
    6628              :    multiplying the largest sizes might.  Again,
    6629              : 
    6630              :      wi::tree_to_offset_ref wt = wi::to_offset (t);
    6631              : 
    6632              :    is more efficient than:
    6633              : 
    6634              :      offset_int wt = wi::to_offset (t).  */
    6635              : 
    6636              : inline wi::tree_to_offset_ref
    6637   3588412107 : wi::to_offset (const_tree t)
    6638              : {
    6639   3373319221 :   return t;
    6640              : }
    6641              : 
    6642              : /* Refer to INTEGER_CST T as though it were a wide_int.
    6643              : 
    6644              :    In contrast to the approximation of infinite-precision numbers given
    6645              :    by wi::to_widest and wi::to_offset, this function treats T as a
    6646              :    signless collection of N bits, where N is the precision of T's type.
    6647              :    As with machine registers, signedness is determined by the operation
    6648              :    rather than the operands; for example, there is a distinction between
    6649              :    signed and unsigned division.
    6650              : 
    6651              :    This is the right choice when operating on values with the same type
    6652              :    using normal modulo arithmetic.  The overflow-checking forms of things
    6653              :    like wi::add check whether the result can be represented in T's type.
    6654              : 
    6655              :    Calling this function should have no overhead in release builds,
    6656              :    so it is OK to call it several times for the same tree.  If it is
    6657              :    useful for readability reasons to reduce the number of calls,
    6658              :    it is more efficient to use:
    6659              : 
    6660              :      wi::tree_to_wide_ref wt = wi::to_wide (t);
    6661              : 
    6662              :    instead of:
    6663              : 
    6664              :      wide_int wt = wi::to_wide (t).  */
    6665              : 
    6666              : inline wi::tree_to_wide_ref
    6667  15386775558 : wi::to_wide (const_tree t)
    6668              : {
    6669  30773551116 :   return wi::storage_ref (&TREE_INT_CST_ELT (t, 0), TREE_INT_CST_NUNITS (t),
    6670  15386775558 :                           TYPE_PRECISION (TREE_TYPE (t)));
    6671              : }
    6672              : 
    6673              : /* Convert INTEGER_CST T to a wide_int of precision PREC, extending or
    6674              :    truncating as necessary.  When extending, use sign extension if T's
    6675              :    type is signed and zero extension if T's type is unsigned.  */
    6676              : 
    6677              : inline wide_int
    6678   1456468399 : wi::to_wide (const_tree t, unsigned int prec)
    6679              : {
    6680   1456468399 :   return wide_int::from (wi::to_wide (t), prec, TYPE_SIGN (TREE_TYPE (t)));
    6681              : }
    6682              : 
    6683              : template <int N>
    6684  26534071696 : inline wi::extended_tree <N>::extended_tree (const_tree t)
    6685  26534071696 :   : m_t (t)
    6686              : {
    6687  26534071696 :   gcc_checking_assert (TYPE_PRECISION (TREE_TYPE (t)) <= N);
    6688  26534071696 : }
    6689              : 
    6690              : template <int N>
    6691              : inline unsigned int
    6692              : wi::extended_tree <N>::get_precision () const
    6693              : {
    6694              :   return N;
    6695              : }
    6696              : 
    6697              : template <int N>
    6698              : inline const HOST_WIDE_INT *
    6699  26673541377 : wi::extended_tree <N>::get_val () const
    6700              : {
    6701  26673541377 :   return &TREE_INT_CST_ELT (m_t, 0);
    6702              : }
    6703              : 
    6704              : template <int N>
    6705              : inline unsigned int
    6706  26659472366 : wi::extended_tree <N>::get_len () const
    6707              : {
    6708              :   if (N == ADDR_MAX_PRECISION)
    6709              :     {
    6710              :       /* to_offset can only be applied to trees that are offset_int-sized
    6711              :          or smaller.  EXT_LEN is correct if it fits, otherwise the constant
    6712              :          must be exactly the precision of offset_int and so LEN is correct.  */
    6713  10855259754 :       unsigned int ext_len = TREE_INT_CST_EXT_NUNITS (m_t);
    6714  10855259754 :       if (ext_len <= OFFSET_INT_ELTS)
    6715              :         return ext_len;
    6716          688 :       return TREE_INT_CST_NUNITS (m_t);
    6717              :     }
    6718              :   else if (N >= WIDEST_INT_MAX_PRECISION)
    6719  15804212612 :     return TREE_INT_CST_EXT_NUNITS (m_t);
    6720              :   else
    6721              :     /* This class is designed to be used for specific output precisions
    6722              :        and needs to be as fast as possible, so there is no fallback for
    6723              :        other casees.  */
    6724              :     gcc_unreachable ();
    6725              : }
    6726              : 
    6727              : inline unsigned int
    6728   2607390417 : wi::unextended_tree::get_precision () const
    6729              : {
    6730   2607390417 :   return TYPE_PRECISION (TREE_TYPE (m_t));
    6731              : }
    6732              : 
    6733              : inline const HOST_WIDE_INT *
    6734   1307533050 : wi::unextended_tree::get_val () const
    6735              : {
    6736   1307533050 :   return &TREE_INT_CST_ELT (m_t, 0);
    6737              : }
    6738              : 
    6739              : inline unsigned int
    6740   1300393308 : wi::unextended_tree::get_len () const
    6741              : {
    6742   1300393308 :   return TREE_INT_CST_NUNITS (m_t);
    6743              : }
    6744              : 
    6745              : /* Return the value of a POLY_INT_CST in its native precision.  */
    6746              : 
    6747              : inline wi::tree_to_poly_wide_ref
    6748            0 : poly_int_cst_value (const_tree x)
    6749              : {
    6750            0 :   poly_int <NUM_POLY_INT_COEFFS, generic_wide_int <wi::unextended_tree> > res;
    6751            0 :   for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
    6752            0 :     res.coeffs[i] = POLY_INT_CST_COEFF (x, i);
    6753            0 :   return res;
    6754              : }
    6755              : 
    6756              : /* Access INTEGER_CST or POLY_INT_CST tree T as if it were a
    6757              :    poly_widest_int.  See wi::to_widest for more details.  */
    6758              : 
    6759              : inline wi::tree_to_poly_widest_ref
    6760    102504819 : wi::to_poly_widest (const_tree t)
    6761              : {
    6762     80826675 :   if (POLY_INT_CST_P (t))
    6763              :     {
    6764              :       poly_int <NUM_POLY_INT_COEFFS,
    6765              :                 generic_wide_int <widest_extended_tree> > res;
    6766              :       for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
    6767              :         res.coeffs[i] = POLY_INT_CST_COEFF (t, i);
    6768              :       return res;
    6769              :     }
    6770     80826583 :   return t;
    6771              : }
    6772              : 
    6773              : /* Access INTEGER_CST or POLY_INT_CST tree T as if it were a
    6774              :    poly_offset_int.  See wi::to_offset for more details.  */
    6775              : 
    6776              : inline wi::tree_to_poly_offset_ref
    6777   7201008385 : wi::to_poly_offset (const_tree t)
    6778              : {
    6779   1989740071 :   if (POLY_INT_CST_P (t))
    6780              :     {
    6781              :       poly_int <NUM_POLY_INT_COEFFS,
    6782              :                 generic_wide_int <offset_extended_tree> > res;
    6783              :       for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
    6784              :         res.coeffs[i] = POLY_INT_CST_COEFF (t, i);
    6785              :       return res;
    6786              :     }
    6787   6277187885 :   return t;
    6788              : }
    6789              : 
    6790              : /* Access INTEGER_CST or POLY_INT_CST tree T as if it were a
    6791              :    poly_wide_int.  See wi::to_wide for more details.  */
    6792              : 
    6793              : inline wi::tree_to_poly_wide_ref
    6794   1270102162 : wi::to_poly_wide (const_tree t)
    6795              : {
    6796   1270102162 :   if (POLY_INT_CST_P (t))
    6797              :     return poly_int_cst_value (t);
    6798   1270102162 :   return t;
    6799              : }
    6800              : 
    6801              : template <int N>
    6802              : inline generic_wide_int <wi::extended_tree <N> >
    6803              : wi::ints_for <generic_wide_int <wi::extended_tree <N> >,
    6804              :               wi::INL_CONST_PRECISION>::zero (const extended &x)
    6805              : {
    6806              :   return build_zero_cst (TREE_TYPE (x.get_tree ()));
    6807              : }
    6808              : 
    6809              : template <int N>
    6810              : inline generic_wide_int <wi::extended_tree <N> >
    6811              : wi::ints_for <generic_wide_int <wi::extended_tree <N> >,
    6812              :               wi::CONST_PRECISION>::zero (const extended &x)
    6813              : {
    6814              :   return build_zero_cst (TREE_TYPE (x.get_tree ()));
    6815              : }
    6816              : 
    6817              : inline generic_wide_int <wi::unextended_tree>
    6818              : wi::ints_for <generic_wide_int <wi::unextended_tree>,
    6819              :               wi::VAR_PRECISION>::zero (const unextended &x)
    6820              : {
    6821              :   return build_zero_cst (TREE_TYPE (x.get_tree ()));
    6822              : }
    6823              : 
    6824              : namespace wi
    6825              : {
    6826              :   template <typename T>
    6827              :   bool fits_to_boolean_p (const T &x, const_tree);
    6828              : 
    6829              :   template <typename T>
    6830              :   bool fits_to_tree_p (const T &x, const_tree);
    6831              : 
    6832              :   wide_int min_value (const_tree);
    6833              :   wide_int max_value (const_tree);
    6834              : #ifndef GENERATOR_FILE
    6835              :   wide_int from_mpz (const_tree, mpz_t, bool);
    6836              : #endif
    6837              : }
    6838              : 
    6839              : template <typename T>
    6840              : bool
    6841      5173900 : wi::fits_to_boolean_p (const T &x, const_tree type)
    6842              : {
    6843              :   typedef typename poly_int_traits<T>::int_type int_type;
    6844      5173900 :   return (known_eq (x, int_type (0))
    6845      5203724 :           || known_eq (x, int_type (TYPE_UNSIGNED (type) ? 1 : -1)));
    6846              : }
    6847              : 
    6848              : template <typename T>
    6849              : bool
    6850   2815840107 : wi::fits_to_tree_p (const T &x, const_tree type)
    6851              : {
    6852              :   /* Non-standard boolean types can have arbitrary precision but various
    6853              :      transformations assume that they can only take values 0 and +/-1.  */
    6854   2815840107 :   if (TREE_CODE (type) == BOOLEAN_TYPE)
    6855      3919759 :     return fits_to_boolean_p (x, type);
    6856              : 
    6857   2811920348 :   if (TYPE_UNSIGNED (type))
    6858   2517553089 :     return known_eq (x, zext (x, TYPE_PRECISION (type)));
    6859              :   else
    6860    294367259 :     return known_eq (x, sext (x, TYPE_PRECISION (type)));
    6861              : }
    6862              : 
    6863              : /* Produce the smallest number that is represented in TYPE.  The precision
    6864              :    and sign are taken from TYPE.  */
    6865              : inline wide_int
    6866     83227472 : wi::min_value (const_tree type)
    6867              : {
    6868     83227472 :   return min_value (TYPE_PRECISION (type), TYPE_SIGN (type));
    6869              : }
    6870              : 
    6871              : /* Produce the largest number that is represented in TYPE.  The precision
    6872              :    and sign are taken from TYPE.  */
    6873              : inline wide_int
    6874     84279052 : wi::max_value (const_tree type)
    6875              : {
    6876     84279052 :   return max_value (TYPE_PRECISION (type), TYPE_SIGN (type));
    6877              : }
    6878              : 
    6879              : /* Return true if INTEGER_CST T1 is less than INTEGER_CST T2,
    6880              :    extending both according to their respective TYPE_SIGNs.  */
    6881              : 
    6882              : inline bool
    6883   1432967676 : tree_int_cst_lt (const_tree t1, const_tree t2)
    6884              : {
    6885   1432967676 :   return wi::to_widest (t1) < wi::to_widest (t2);
    6886              : }
    6887              : 
    6888              : /* Return true if INTEGER_CST T1 is less than or equal to INTEGER_CST T2,
    6889              :    extending both according to their respective TYPE_SIGNs.  */
    6890              : 
    6891              : inline bool
    6892      5099704 : tree_int_cst_le (const_tree t1, const_tree t2)
    6893              : {
    6894      5099704 :   return wi::to_widest (t1) <= wi::to_widest (t2);
    6895              : }
    6896              : 
    6897              : /* Returns -1 if T1 < T2, 0 if T1 == T2, and 1 if T1 > T2.  T1 and T2
    6898              :    are both INTEGER_CSTs and their values are extended according to their
    6899              :    respective TYPE_SIGNs.  */
    6900              : 
    6901              : inline int
    6902    187527744 : tree_int_cst_compare (const_tree t1, const_tree t2)
    6903              : {
    6904    187527744 :   return wi::cmps (wi::to_widest (t1), wi::to_widest (t2));
    6905              : }
    6906              : 
    6907              : /* FIXME - These declarations belong in builtins.h, expr.h and emit-rtl.h,
    6908              :    but none of these files are allowed to be included from front ends.
    6909              :    They should be split in two. One suitable for the FEs, the other suitable
    6910              :    for the BE.  */
    6911              : 
    6912              : /* Assign the RTX to declaration.  */
    6913              : extern void set_decl_rtl (tree, rtx);
    6914              : extern bool complete_ctor_at_level_p (const_tree, HOST_WIDE_INT, const_tree);
    6915              : 
    6916              : /* Given an expression EXP that is a handled_component_p,
    6917              :    look for the ultimate containing object, which is returned and specify
    6918              :    the access position and size.  */
    6919              : extern tree get_inner_reference (tree, poly_int64 *, poly_int64 *,
    6920              :                                  tree *, machine_mode *, int *, int *, int *);
    6921              : 
    6922              : extern tree build_personality_function (const char *);
    6923              : 
    6924              : struct GTY(()) int_n_trees_t {
    6925              :   /* These parts are initialized at runtime */
    6926              :   tree signed_type;
    6927              :   tree unsigned_type;
    6928              : };
    6929              : 
    6930              : /* This is also in machmode.h */
    6931              : extern bool int_n_enabled_p[NUM_INT_N_ENTS];
    6932              : extern GTY(()) struct int_n_trees_t int_n_trees[NUM_INT_N_ENTS];
    6933              : 
    6934              : /* Like bit_position, but return as an integer.  It must be representable in
    6935              :    that way (since it could be a signed value, we don't have the
    6936              :    option of returning -1 like int_size_in_byte can.  */
    6937              : 
    6938              : inline HOST_WIDE_INT
    6939    106429268 : int_bit_position (const_tree field)
    6940              : {
    6941    212858536 :   return ((wi::to_offset (DECL_FIELD_OFFSET (field)) << LOG2_BITS_PER_UNIT)
    6942    106429268 :           + wi::to_offset (DECL_FIELD_BIT_OFFSET (field))).to_shwi ();
    6943              : }
    6944              : 
    6945              : /* Return true if it makes sense to consider alias set for a type T.  */
    6946              : 
    6947              : inline bool
    6948    196853261 : type_with_alias_set_p (const_tree t)
    6949              : {
    6950              :   /* Function and method types are never accessed as memory locations.  */
    6951    196853261 :   if (TREE_CODE (t) == FUNCTION_TYPE || TREE_CODE (t) == METHOD_TYPE)
    6952              :     return false;
    6953              : 
    6954    196561093 :   if (COMPLETE_TYPE_P (t))
    6955              :     return true;
    6956              : 
    6957              :   /* Incomplete types cannot be accessed in general except for arrays
    6958              :      where we can fetch its element despite we have no array bounds.  */
    6959     11570380 :   if (TREE_CODE (t) == ARRAY_TYPE && COMPLETE_TYPE_P (TREE_TYPE (t)))
    6960        92002 :     return true;
    6961              : 
    6962              :   return false;
    6963              : }
    6964              : 
    6965              : extern location_t set_block (location_t loc, tree block);
    6966              : 
    6967              : extern void gt_ggc_mx (tree &);
    6968              : extern void gt_pch_nx (tree &);
    6969              : extern void gt_pch_nx (tree &, gt_pointer_operator, void *);
    6970              : extern void gt_ggc_mx (tree_raw_data *);
    6971              : extern void gt_pch_nx (tree_raw_data *);
    6972              : extern void gt_pch_nx (tree_raw_data *, gt_pointer_operator, void *);
    6973              : 
    6974              : extern bool nonnull_arg_p (const_tree);
    6975              : extern bool is_empty_type (const_tree);
    6976              : extern bool default_is_empty_record (const_tree);
    6977              : extern bool flexible_array_type_p (const_tree);
    6978              : extern HOST_WIDE_INT arg_int_size_in_bytes (const_tree);
    6979              : extern tree arg_size_in_bytes (const_tree);
    6980              : extern bool expr_type_first_operand_type_p (tree_code);
    6981              : 
    6982              : extern location_t
    6983              : set_source_range (tree expr, location_t start, location_t finish);
    6984              : 
    6985              : extern location_t
    6986              : set_source_range (tree expr, source_range src_range);
    6987              : 
    6988              : /* Return true if it makes sense to promote/demote from_type to to_type. */
    6989              : inline bool
    6990       506348 : desired_pro_or_demotion_p (const_tree to_type, const_tree from_type)
    6991              : {
    6992       506348 :   unsigned int to_type_precision = TYPE_PRECISION (to_type);
    6993              : 
    6994              :   /* OK to promote if to_type is no bigger than word_mode. */
    6995       506348 :   if (to_type_precision <= GET_MODE_PRECISION (word_mode))
    6996              :     return true;
    6997              : 
    6998              :   /* Otherwise, allow only if narrowing or same precision conversions. */
    6999        35437 :   return to_type_precision <= TYPE_PRECISION (from_type);
    7000              : }
    7001              : 
    7002              : /* Pointer type used to declare builtins before we have seen its real
    7003              :    declaration.  */
    7004              : class builtin_structptr_type
    7005              : {
    7006              : public:
    7007              :   tree& node;
    7008              :   tree& base;
    7009              :   const char *str;
    7010              : };
    7011              : extern const builtin_structptr_type builtin_structptr_types[6];
    7012              : 
    7013              : /* Return true if type T has the same precision as its underlying mode.  */
    7014              : 
    7015              : inline bool
    7016    332717782 : type_has_mode_precision_p (const_tree t)
    7017              : {
    7018    332717782 :   return known_eq (TYPE_PRECISION (t), GET_MODE_PRECISION (TYPE_MODE (t)));
    7019              : }
    7020              : 
    7021              : /* Helper functions for fndecl_built_in_p.  */
    7022              : 
    7023              : inline bool
    7024              : built_in_function_equal_p (built_in_function name0, built_in_function name1)
    7025              : {
    7026              :   return name0 == name1;
    7027              : }
    7028              : 
    7029              : /* Recursive case for two or more names.  */
    7030              : 
    7031              : template <typename... F>
    7032              : inline bool
    7033     41781688 : built_in_function_equal_p (built_in_function name0, built_in_function name1,
    7034              :                            built_in_function name2, F... names)
    7035              : {
    7036     37239755 :   return name0 == name1 || built_in_function_equal_p (name0, name2, names...);
    7037              : }
    7038              : 
    7039              : /* Return true if a FUNCTION_DECL NODE is a GCC built-in function.
    7040              : 
    7041              :    Note that it is different from the DECL_IS_UNDECLARED_BUILTIN
    7042              :    accessor, as this is impervious to user declaration.  */
    7043              : 
    7044              : inline bool
    7045   4604989937 : fndecl_built_in_p (const_tree node)
    7046              : {
    7047   4604989937 :   return DECL_BUILT_IN_CLASS (node) != NOT_BUILT_IN;
    7048              : }
    7049              : 
    7050              : /* Return true if a FUNCTION_DECL NODE is a GCC built-in function
    7051              :    of class KLASS.  */
    7052              : 
    7053              : inline bool
    7054   3325022621 : fndecl_built_in_p (const_tree node, built_in_class klass)
    7055              : {
    7056   4345662965 :   return fndecl_built_in_p (node) && DECL_BUILT_IN_CLASS (node) == klass;
    7057              : }
    7058              : 
    7059              : /* Return true if a FUNCTION_DECL NODE is a GCC built-in function
    7060              :    of class KLASS with name equal to NAME.  */
    7061              : 
    7062              : inline bool
    7063     26432888 : fndecl_built_in_p (const_tree node, unsigned int name, built_in_class klass)
    7064              : {
    7065     26432888 :   return (fndecl_built_in_p (node, klass)
    7066     26452190 :           && DECL_UNCHECKED_FUNCTION_CODE (node) == name);
    7067              : }
    7068              : 
    7069              : /* Return true if a FUNCTION_DECL NODE is a GCC built-in function
    7070              :    of BUILT_IN_NORMAL class with name equal to NAME1 (or other mentioned
    7071              :    NAMES).  */
    7072              : 
    7073              : template <typename... F>
    7074              : inline bool
    7075   1168134590 : fndecl_built_in_p (const_tree node, built_in_function name1, F... names)
    7076              : {
    7077   1168134590 :   return (fndecl_built_in_p (node, BUILT_IN_NORMAL)
    7078   1168134590 :           && built_in_function_equal_p (DECL_FUNCTION_CODE (node),
    7079   1168134590 :                                         name1, names...));
    7080              : }
    7081              : 
    7082              : /* Returns true if the function decl NODE is an alloca. */
    7083              : inline bool
    7084          516 : fndecl_builtin_alloc_p (const_tree node)
    7085              : {
    7086          516 :   if (!fndecl_built_in_p (node, BUILT_IN_NORMAL))
    7087              :     return false;
    7088          516 :   return ALLOCA_FUNCTION_CODE_P (DECL_FUNCTION_CODE (node));
    7089              : }
    7090              : 
    7091              : /* A struct for encapsulating location information about an operator
    7092              :    and the operation built from it.
    7093              : 
    7094              :    m_operator_loc is the location of the operator
    7095              :    m_combined_loc is the location of the compound expression.
    7096              : 
    7097              :    For example, given "a && b" the, operator location is:
    7098              :       a && b
    7099              :         ^~
    7100              :    and the combined location is:
    7101              :       a && b
    7102              :       ~~^~~~
    7103              :    Capturing this information allows for class binary_op_rich_location
    7104              :    to provide detailed information about e.g. type mismatches in binary
    7105              :    operations where enough location information is available:
    7106              : 
    7107              :      arg_0 op arg_1
    7108              :      ~~~~~ ^~ ~~~~~
    7109              :        |        |
    7110              :        |        arg1 type
    7111              :        arg0 type
    7112              : 
    7113              :    falling back to just showing the combined location:
    7114              : 
    7115              :      arg_0 op arg_1
    7116              :      ~~~~~~^~~~~~~~
    7117              : 
    7118              :    where it is not.  */
    7119              : 
    7120              : class op_location_t
    7121              : {
    7122              : public:
    7123              :   location_t m_operator_loc;
    7124              :   location_t m_combined_loc;
    7125              : 
    7126              :   /* 1-argument ctor, for constructing from a combined location.  */
    7127    177141972 :   op_location_t (location_t combined_loc)
    7128    177057505 :   : m_operator_loc (UNKNOWN_LOCATION), m_combined_loc (combined_loc)
    7129              :   {}
    7130              : 
    7131              :   /* 2-argument ctor, for distinguishing between the operator's location
    7132              :      and the combined location.  */
    7133    145309821 :   op_location_t (location_t operator_loc, location_t combined_loc)
    7134    145309821 :   : m_operator_loc (operator_loc), m_combined_loc (combined_loc)
    7135              :   {}
    7136              : 
    7137              :   /* Implicitly convert back to a location_t, using the combined location.  */
    7138    487927456 :   operator location_t () const { return m_combined_loc; }
    7139              : };
    7140              : 
    7141              : /* Code that doesn't refer to any warning.  Has no effect on suppression
    7142              :    functions.  */
    7143              : constexpr opt_code no_warning = opt_code ();
    7144              : /* Wildcard code that refers to all warnings.  */
    7145              : constexpr opt_code all_warnings = N_OPTS;
    7146              : 
    7147              : /* Return the disposition for a warning (or all warnings by default)
    7148              :    at a location.  */
    7149              : extern bool warning_suppressed_at (location_t, opt_code = all_warnings);
    7150              : /* Set the disposition for a warning (or all warnings by default)
    7151              :    at a location to disabled by default.  */
    7152              : extern bool suppress_warning_at (location_t, opt_code = all_warnings,
    7153              :                                  bool = true);
    7154              : /* Overwrite warning disposition bitmap for a location with given spec.  */
    7155              : extern void put_warning_spec_at (location_t loc, unsigned);
    7156              : /* Copy warning disposition from one location to another.  */
    7157              : extern void copy_warning (location_t, location_t);
    7158              : 
    7159              : /* Return the disposition for a warning (or all warnings by default)
    7160              :    for an expression.  */
    7161              : extern bool warning_suppressed_p (const_tree, opt_code = all_warnings);
    7162              : /* Set the disposition for a warning (or all warnings by default)
    7163              :    at a location to disabled by default.  */
    7164              : extern void suppress_warning (tree, opt_code = all_warnings, bool = true)
    7165              :   ATTRIBUTE_NONNULL (1);
    7166              : /* Copy warning disposition from one expression to another.  */
    7167              : extern void copy_warning (tree, const_tree);
    7168              : 
    7169              : /* Whether the tree might have a warning spec.  */
    7170              : extern bool has_warning_spec (const_tree);
    7171              : /* Retrieve warning spec bitmap for tree streaming.  */
    7172              : extern unsigned get_warning_spec (const_tree);
    7173              : /* Overwrite warning spec bitmap for a tree with given spec.  */
    7174              : extern void put_warning_spec (tree, unsigned);
    7175              : 
    7176              : /* Return the zero-based number corresponding to the argument being
    7177              :    deallocated if FNDECL is a deallocation function or an out-of-bounds
    7178              :    value if it isn't.  */
    7179              : extern unsigned fndecl_dealloc_argno (tree);
    7180              : 
    7181              : /* If an expression refers to a character array or pointer declared
    7182              :    attribute nonstring, return a decl for that array or pointer and
    7183              :    if nonnull, set the second argument to the referenced enclosing
    7184              :    object or pointer.  Otherwise return null.  */
    7185              : extern tree get_attr_nonstring_decl (tree, tree * = NULL);
    7186              : 
    7187              : /* Returns the version string for a decl with target_version attribute.
    7188              :    Returns an invalid string_slice if no attribute is present.  */
    7189              : extern string_slice get_target_version (const tree);
    7190              : /* Returns a vector of the version strings from a target_clones attribute on
    7191              :    a decl.  Can also record the number of default versions found.
    7192              :    Use bool to control whether or not the results should
    7193              :    be filtered with TARGET_CHECK_TARGET_CLONE_VERSION.  */
    7194              : extern auto_vec<string_slice> get_clone_versions
    7195              :   (const tree,int * = NULL, bool = true);
    7196              : /* Returns a vector of the version strings from a target_clones attribute
    7197              :    directly.  Additionally takes a bool to control whether or not the results
    7198              :    should be filtered with TARGET_CHECK_TARGET_CLONE_VERSION.  */
    7199              : extern auto_vec<string_slice> get_clone_attr_versions
    7200              :   (const tree, int *, bool = true);
    7201              : 
    7202              : /* Checks if two decls define any overlapping versions.  */
    7203              : extern bool disjoint_version_decls (tree, tree);
    7204              : /* Checks if two overlapping decls are not mergeable.  */
    7205              : extern bool diagnose_versioned_decls (tree, tree);
    7206              : 
    7207              : #endif  /* GCC_TREE_H  */
        

Generated by: LCOV version 2.4-beta

LCOV profile is generated on x86_64 machine using following configure options: configure --disable-bootstrap --enable-coverage=opt --enable-languages=c,c++,fortran,go,jit,lto,rust,m2 --enable-host-shared. GCC test suite is run with the built compiler.