LCOV - code coverage report
Current view: top level - gcc - tree-streamer-out.cc (source / functions) Coverage Total Hit
Test: gcc.info Lines: 89.9 % 515 463
Test Date: 2026-02-28 14:20:25 Functions: 92.3 % 39 36
Legend: Lines:     hit not hit

            Line data    Source code
       1              : /* Routines for emitting trees to a file stream.
       2              : 
       3              :    Copyright (C) 2011-2026 Free Software Foundation, Inc.
       4              :    Contributed by Diego Novillo <dnovillo@google.com>
       5              : 
       6              : This file is part of GCC.
       7              : 
       8              : GCC is free software; you can redistribute it and/or modify it under
       9              : the terms of the GNU General Public License as published by the Free
      10              : Software Foundation; either version 3, or (at your option) any later
      11              : version.
      12              : 
      13              : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      14              : WARRANTY; without even the implied warranty of MERCHANTABILITY or
      15              : FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      16              : for more details.
      17              : 
      18              : You should have received a copy of the GNU General Public License
      19              : along with GCC; see the file COPYING3.  If not see
      20              : <http://www.gnu.org/licenses/>.  */
      21              : 
      22              : #include "config.h"
      23              : #include "system.h"
      24              : #include "coretypes.h"
      25              : #include "backend.h"
      26              : #include "target.h"
      27              : #include "tree.h"
      28              : #include "gimple.h"
      29              : #include "tree-streamer.h"
      30              : #include "cgraph.h"
      31              : #include "alias.h"
      32              : #include "stor-layout.h"
      33              : #include "gomp-constants.h"
      34              : #include "print-tree.h"
      35              : 
      36              : 
      37              : /* Output the STRING constant to the string
      38              :    table in OB.  Then put the index onto the INDEX_STREAM.  */
      39              : 
      40              : void
      41       177211 : streamer_write_string_cst (struct output_block *ob,
      42              :                            struct lto_output_stream *index_stream,
      43              :                            tree string)
      44              : {
      45       354422 :   streamer_write_string_with_length (ob, index_stream,
      46       177211 :                                      string ? TREE_STRING_POINTER (string)
      47              :                                             : NULL,
      48       177211 :                                      string ? TREE_STRING_LENGTH (string) : 0,
      49              :                                      true);
      50       177211 : }
      51              : 
      52              : 
      53              : /* Output the identifier ID to the string
      54              :    table in OB.  Then put the index onto the INDEX_STREAM.  */
      55              : 
      56              : static void
      57      1484379 : write_identifier (struct output_block *ob,
      58              :                    struct lto_output_stream *index_stream,
      59              :                    tree id)
      60              : {
      61      1484379 :   streamer_write_string_with_length (ob, index_stream,
      62      1484379 :                                      IDENTIFIER_POINTER (id),
      63      1484379 :                                      IDENTIFIER_LENGTH (id),
      64              :                                      true);
      65      1484379 : }
      66              : 
      67              : 
      68              : /* Pack all the non-pointer fields of the TS_BASE structure of
      69              :    expression EXPR into bitpack BP.  */
      70              : 
      71              : static inline void
      72      7057289 : pack_ts_base_value_fields (struct bitpack_d *bp, tree expr)
      73              : {
      74      7057289 :   if (!TYPE_P (expr))
      75              :     {
      76      6409495 :       bp_pack_value (bp, TREE_SIDE_EFFECTS (expr), 1);
      77      6409495 :       bp_pack_value (bp, TREE_CONSTANT (expr), 1);
      78      6409495 :       bp_pack_value (bp, TREE_READONLY (expr), 1);
      79              : 
      80              :       /* TREE_PUBLIC is used on types to indicate that the type
      81              :          has a TYPE_CACHED_VALUES vector.  This is not streamed out,
      82              :          so we skip it here.  */
      83      6409495 :       bp_pack_value (bp, TREE_PUBLIC (expr), 1);
      84              :     }
      85              :   else
      86       647794 :     bp_pack_value (bp, 0, 4);
      87      7057289 :   bp_pack_value (bp, TREE_ADDRESSABLE (expr), 1);
      88      7057289 :   bp_pack_value (bp, TREE_THIS_VOLATILE (expr), 1);
      89      7057289 :   if (DECL_P (expr))
      90              :     {
      91      1530226 :       bp_pack_value (bp, DECL_UNSIGNED (expr), 1);
      92      1530226 :       bp_pack_value (bp, DECL_NAMELESS (expr), 1);
      93              :     }
      94      5527063 :   else if (TYPE_P (expr))
      95       647794 :     bp_pack_value (bp, TYPE_UNSIGNED (expr), 1);
      96              :   else
      97      4879269 :     bp_pack_value (bp, 0, 1);
      98              :   /* We write debug info two times, do not confuse the second one.
      99              :      The only relevant TREE_ASM_WRITTEN use is on SSA names.  */
     100      7057289 :   bp_pack_value (bp, (TREE_CODE (expr) != SSA_NAME
     101            0 :                       ? 0 : TREE_ASM_WRITTEN (expr)), 1);
     102      7057289 :   if (TYPE_P (expr))
     103       647794 :     bp_pack_value (bp, TYPE_ARTIFICIAL (expr), 1);
     104              :   else
     105      6409495 :     bp_pack_value (bp, TREE_NO_WARNING (expr), 1);
     106      7057289 :   bp_pack_value (bp, TREE_NOTHROW (expr), 1);
     107      7057289 :   bp_pack_value (bp, TREE_STATIC (expr), 1);
     108      7057289 :   if (TREE_CODE (expr) != TREE_BINFO)
     109      7050033 :     bp_pack_value (bp, TREE_PRIVATE (expr), 1);
     110              :   else
     111         7256 :     bp_pack_value (bp, 0, 1);
     112      7057289 :   bp_pack_value (bp, TREE_PROTECTED (expr), 1);
     113      7057289 :   bp_pack_value (bp, TREE_DEPRECATED (expr), 1);
     114      7057289 :   if (TYPE_P (expr))
     115              :     {
     116       647794 :       if (AGGREGATE_TYPE_P (expr))
     117       139012 :         bp_pack_value (bp, TYPE_REVERSE_STORAGE_ORDER (expr), 1);
     118              :       else
     119       508782 :         bp_pack_value (bp, TYPE_SATURATING (expr), 1);
     120       647794 :       if (lto_stream_offload_p)
     121              :         /* Host and offload targets have no common meaning of address
     122              :            spaces.  */
     123              :         ;
     124              :       else
     125       647794 :         bp_pack_value (bp, TYPE_ADDR_SPACE (expr), 8);
     126              :     }
     127      6409495 :   else if (TREE_CODE (expr) == BIT_FIELD_REF || TREE_CODE (expr) == MEM_REF)
     128              :     {
     129       381758 :       bp_pack_value (bp, REF_REVERSE_STORAGE_ORDER (expr), 1);
     130       381758 :       bp_pack_value (bp, 0, 8);
     131              :     }
     132      6027737 :   else if (TREE_CODE (expr) == SSA_NAME)
     133              :     {
     134            0 :       bp_pack_value (bp, SSA_NAME_IS_DEFAULT_DEF (expr), 1);
     135            0 :       bp_pack_value (bp, 0, 8);
     136              :     }
     137      6027737 :   else if (TREE_CODE (expr) == CALL_EXPR)
     138              :     {
     139           24 :       bp_pack_value (bp, CALL_EXPR_BY_DESCRIPTOR (expr), 1);
     140           24 :       bp_pack_value (bp, 0, 8);
     141              :     }
     142              :   else
     143      6027713 :     bp_pack_value (bp, 0, 9);
     144      7057289 : }
     145              : 
     146              : 
     147              : /* Pack all the non-pointer fields of the TS_INTEGER_CST structure of
     148              :    expression EXPR into bitpack BP.  */
     149              : 
     150              : static void
     151        43774 : pack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr)
     152              : {
     153        43774 :   int i;
     154              :   /* Note that the number of elements has already been written out in
     155              :      streamer_write_tree_header.  */
     156        90282 :   for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++)
     157        46508 :     bp_pack_var_len_int (bp, TREE_INT_CST_ELT (expr, i));
     158        43774 : }
     159              : 
     160              : 
     161              : /* Pack all the non-pointer fields of the TS_REAL_CST structure of
     162              :    expression EXPR into bitpack BP.  */
     163              : 
     164              : static void
     165       113338 : pack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr)
     166              : {
     167       113338 :   REAL_VALUE_TYPE r = TREE_REAL_CST (expr);
     168       113338 :   bp_pack_real_value (bp, &r);
     169       113338 : }
     170              : 
     171              : 
     172              : /* Pack all the non-pointer fields of the TS_FIXED_CST structure of
     173              :    expression EXPR into bitpack BP.  */
     174              : 
     175              : static void
     176            0 : pack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr)
     177              : {
     178            0 :   struct fixed_value fv = TREE_FIXED_CST (expr);
     179            0 :   bp_pack_machine_mode (bp, fv.mode);
     180            0 :   bp_pack_var_len_int (bp, fv.data.low);
     181            0 :   bp_pack_var_len_int (bp, fv.data.high);
     182            0 : }
     183              : 
     184              : /* Pack all the non-pointer fields of the TS_DECL_COMMON structure
     185              :    of expression EXPR into bitpack BP.  */
     186              : 
     187              : static void
     188      1530226 : pack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr)
     189              : {
     190              :   /* Similar to TYPE_MODE, avoid streaming out host-specific DECL_MODE
     191              :      for aggregate type with offloading enabled, and while streaming-in
     192              :      recompute appropriate DECL_MODE for accelerator.  */
     193      1530226 :   if (lto_stream_offload_p
     194            0 :       && (VAR_P (expr)
     195            0 :           || TREE_CODE (expr) == PARM_DECL
     196            0 :           || TREE_CODE (expr) == FIELD_DECL)
     197      1530226 :       && (AGGREGATE_TYPE_P (TREE_TYPE (expr))
     198            0 :           || VECTOR_TYPE_P (TREE_TYPE (expr))))
     199            0 :     bp_pack_machine_mode (bp, VOIDmode);
     200              :   else
     201      1530226 :     bp_pack_machine_mode (bp, DECL_MODE (expr));
     202      1530226 :   bp_pack_value (bp, DECL_NONLOCAL (expr), 1);
     203      1530226 :   bp_pack_value (bp, DECL_VIRTUAL_P (expr), 1);
     204      1530226 :   bp_pack_value (bp, DECL_IGNORED_P (expr), 1);
     205      1530226 :   bp_pack_value (bp, DECL_ABSTRACT_P (expr), 1);
     206      1530226 :   bp_pack_value (bp, DECL_ARTIFICIAL (expr), 1);
     207      1530226 :   bp_pack_value (bp, DECL_USER_ALIGN (expr), 1);
     208      1530226 :   bp_pack_value (bp, DECL_PRESERVE_P (expr), 1);
     209      1530226 :   bp_pack_value (bp, DECL_EXTERNAL (expr), 1);
     210      1530226 :   bp_pack_value (bp, DECL_NOT_GIMPLE_REG_P (expr), 1);
     211      1530226 :   bp_pack_var_len_unsigned (bp, DECL_ALIGN (expr));
     212              : 
     213      1530226 :   if (TREE_CODE (expr) == LABEL_DECL)
     214              :     {
     215              :       /* Note that we do not write LABEL_DECL_UID.  The reader will
     216              :          always assume an initial value of -1 so that the
     217              :          label_to_block_map is recreated by gimple_set_bb.  */
     218        25310 :       bp_pack_var_len_unsigned (bp, EH_LANDING_PAD_NR (expr));
     219              :     }
     220              : 
     221      1504916 :   else if (TREE_CODE (expr) == FIELD_DECL)
     222              :     {
     223       110401 :       bp_pack_value (bp, DECL_PACKED (expr), 1);
     224       110401 :       bp_pack_value (bp, DECL_NONADDRESSABLE_P (expr), 1);
     225       110401 :       bp_pack_value (bp, DECL_PADDING_P (expr), 1);
     226       110401 :       if (DECL_BIT_FIELD (expr))
     227         7086 :         bp_pack_value (bp, DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD (expr), 1);
     228              :       else
     229       211968 :         bp_pack_value (bp, DECL_FIELD_ABI_IGNORED (expr), 1);
     230       110401 :       bp_pack_value (bp, expr->decl_common.off_align, 8);
     231       110401 :       bp_pack_value (bp, DECL_NOT_FLEXARRAY (expr), 1);
     232              :     }
     233              : 
     234      1394515 :   else if (VAR_P (expr))
     235              :     {
     236       460716 :       bp_pack_value (bp, DECL_HAS_DEBUG_EXPR_P (expr), 1);
     237       460716 :       bp_pack_value (bp, DECL_NONLOCAL_FRAME (expr), 1);
     238              :     }
     239              : 
     240       933799 :   else if (TREE_CODE (expr) == PARM_DECL)
     241       331128 :     bp_pack_value (bp, DECL_HIDDEN_STRING_LENGTH (expr), 1);
     242              : 
     243      1530226 :   if (TREE_CODE (expr) == RESULT_DECL
     244              :       || TREE_CODE (expr) == PARM_DECL
     245              :       || VAR_P (expr))
     246              :     {
     247       901688 :       bp_pack_value (bp, DECL_BY_REFERENCE (expr), 1);
     248       901688 :       if (VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
     249       791844 :         bp_pack_value (bp, DECL_HAS_VALUE_EXPR_P (expr), 1);
     250              :     }
     251      1530226 : }
     252              : 
     253              : 
     254              : /* Pack all the non-pointer fields of the TS_DECL_WRTL structure
     255              :    of expression EXPR into bitpack BP.  */
     256              : 
     257              : static void
     258      1388025 : pack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr)
     259              : {
     260      1388025 :   bp_pack_value (bp, DECL_REGISTER (expr), 1);
     261      1388025 : }
     262              : 
     263              : 
     264              : /* Pack all the non-pointer fields of the TS_DECL_WITH_VIS structure
     265              :    of expression EXPR into bitpack BP.  */
     266              : 
     267              : static void
     268       921305 : pack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr)
     269              : {
     270       921305 :   bp_pack_value (bp, DECL_COMMON (expr), 1);
     271       921305 :   bp_pack_value (bp, DECL_DLLIMPORT_P (expr), 1);
     272       921305 :   bp_pack_value (bp, DECL_WEAK (expr), 1);
     273       921305 :   bp_pack_value (bp, DECL_SEEN_IN_BIND_EXPR_P (expr),  1);
     274       921305 :   bp_pack_value (bp, DECL_COMDAT (expr),  1);
     275       921305 :   bp_pack_value (bp, DECL_VISIBILITY (expr),  2);
     276       921305 :   bp_pack_value (bp, DECL_VISIBILITY_SPECIFIED (expr),  1);
     277              : 
     278       921305 :   if (VAR_P (expr))
     279              :     {
     280       460716 :       bp_pack_value (bp, DECL_HARD_REGISTER (expr), 1);
     281              :       /* DECL_IN_TEXT_SECTION is set during final asm output only. */
     282       460716 :       bp_pack_value (bp, DECL_IN_CONSTANT_POOL (expr), 1);
     283              :     }
     284              : 
     285       921305 :   if (TREE_CODE (expr) == FUNCTION_DECL)
     286              :     {
     287       431665 :       bp_pack_value (bp, DECL_FINAL_P (expr), 1);
     288       431665 :       bp_pack_value (bp, DECL_CXX_CONSTRUCTOR_P (expr), 1);
     289       431665 :       bp_pack_value (bp, DECL_CXX_DESTRUCTOR_P (expr), 1);
     290              :     }
     291       921305 : }
     292              : 
     293              : 
     294              : /* Pack all the non-pointer fields of the TS_FUNCTION_DECL structure
     295              :    of expression EXPR into bitpack BP.  */
     296              : 
     297              : static void
     298       431665 : pack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr)
     299              : {
     300       431665 :   bp_pack_enum (bp, built_in_class, BUILT_IN_LAST,
     301              :                 DECL_BUILT_IN_CLASS (expr));
     302       431665 :   bp_pack_value (bp, DECL_STATIC_CONSTRUCTOR (expr), 1);
     303       431665 :   bp_pack_value (bp, DECL_STATIC_DESTRUCTOR (expr), 1);
     304       431665 :   bp_pack_value (bp, DECL_UNINLINABLE (expr), 1);
     305       431665 :   bp_pack_value (bp, DECL_POSSIBLY_INLINED (expr), 1);
     306       431665 :   bp_pack_value (bp, DECL_IS_NOVOPS (expr), 1);
     307       431665 :   bp_pack_value (bp, DECL_IS_RETURNS_TWICE (expr), 1);
     308       431665 :   bp_pack_value (bp, DECL_IS_MALLOC (expr), 1);
     309       431665 :   bp_pack_value (bp, (unsigned)FUNCTION_DECL_DECL_TYPE (expr), 2);
     310       431665 :   bp_pack_value (bp, DECL_IS_OPERATOR_DELETE_P (expr), 1);
     311       431665 :   bp_pack_value (bp, DECL_DECLARED_INLINE_P (expr), 1);
     312       431665 :   bp_pack_value (bp, DECL_STATIC_CHAIN (expr), 1);
     313       431665 :   bp_pack_value (bp, DECL_NO_INLINE_WARNING_P (expr), 1);
     314       431665 :   bp_pack_value (bp, DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr), 1);
     315       431665 :   bp_pack_value (bp, DECL_NO_LIMIT_STACK (expr), 1);
     316       431665 :   bp_pack_value (bp, DECL_DISREGARD_INLINE_LIMITS (expr), 1);
     317       431665 :   bp_pack_value (bp, DECL_PURE_P (expr), 1);
     318       431665 :   bp_pack_value (bp, DECL_LOOPING_CONST_OR_PURE_P (expr), 1);
     319       431665 :   bp_pack_value (bp, DECL_IS_REPLACEABLE_OPERATOR (expr), 1);
     320       431665 :   if (DECL_BUILT_IN_CLASS (expr) != NOT_BUILT_IN)
     321        33721 :     bp_pack_value (bp, DECL_UNCHECKED_FUNCTION_CODE (expr), 32);
     322       431665 : }
     323              : 
     324              : 
     325              : /* Pack all the non-pointer fields of the TS_TYPE_COMMON structure
     326              :    of expression EXPR into bitpack BP.  */
     327              : 
     328              : static void
     329       647794 : pack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr)
     330              : {
     331              :   /* For offloading, avoid streaming out TYPE_MODE for aggregate type since
     332              :      it may be host-specific. For eg, aarch64 uses OImode for ARRAY_TYPE
     333              :      whose size is 256-bits, which is not representable on accelerator.
     334              :      Instead stream out VOIDmode, and while streaming-in, recompute
     335              :      appropriate TYPE_MODE for accelerator.  */
     336       647794 :   if (lto_stream_offload_p
     337            0 :       && (AGGREGATE_TYPE_P (expr) || VECTOR_TYPE_P (expr)))
     338            0 :     bp_pack_machine_mode (bp, VOIDmode);
     339              :   /* for VECTOR_TYPE, TYPE_MODE reevaluates the mode using target_flags
     340              :      not necessary valid in a global context.
     341              :      Use the raw value previously set by layout_type.  */
     342              :   else
     343       647794 :     bp_pack_machine_mode (bp, TYPE_MODE_RAW (expr));
     344              :   /* TYPE_NO_FORCE_BLK is private to stor-layout and need
     345              :      no streaming.  */
     346       647794 :   bp_pack_value (bp, TYPE_PACKED (expr), 1);
     347       647794 :   bp_pack_value (bp, TYPE_RESTRICT (expr), 1);
     348       647794 :   bp_pack_value (bp, TYPE_USER_ALIGN (expr), 1);
     349       647794 :   bp_pack_value (bp, TYPE_READONLY (expr), 1);
     350       647794 :   unsigned vla_p;
     351       647794 :   if (in_lto_p)
     352       191953 :     vla_p = TYPE_LANG_FLAG_0 (TYPE_MAIN_VARIANT (expr));
     353              :   else
     354       455841 :     vla_p = variably_modified_type_p (expr, NULL_TREE);
     355       647794 :   bp_pack_value (bp, vla_p, 1);
     356              :   /* We used to stream TYPE_ALIAS_SET == 0 information to let frontends mark
     357              :      types that are opaque for TBAA.  This however did not work as intended,
     358              :      because TYPE_ALIAS_SET == 0 was regularly lost in type merging.  */
     359       647794 :   if (RECORD_OR_UNION_TYPE_P (expr))
     360              :     {
     361        93136 :       bp_pack_value (bp, TYPE_TRANSPARENT_AGGR (expr), 1);
     362        93136 :       bp_pack_value (bp, TYPE_FINAL_P (expr), 1);
     363              :       /* alias_ptr_types_compatible_p relies on fact that during LTO
     364              :          types do not get refined from WPA time to ltrans.  */
     365       186272 :       bp_pack_value (bp, flag_wpa && TYPE_CANONICAL (expr)
     366        17596 :                          ? TYPE_CXX_ODR_P (TYPE_CANONICAL (expr))
     367        75540 :                          : TYPE_CXX_ODR_P (expr), 1);
     368              :     }
     369       554658 :   else if (TREE_CODE (expr) == ARRAY_TYPE)
     370        45876 :     bp_pack_value (bp, TYPE_NONALIASED_COMPONENT (expr), 1);
     371       647794 :   if (TREE_CODE (expr) == ARRAY_TYPE || TREE_CODE (expr) == INTEGER_TYPE)
     372       112842 :     bp_pack_value (bp, TYPE_STRING_FLAG (expr), 1);
     373       647794 :   if (AGGREGATE_TYPE_P (expr))
     374       139012 :     bp_pack_value (bp, TYPE_TYPELESS_STORAGE (expr), 1);
     375       647794 :   if (!lto_stream_offload_p)
     376       647794 :     bp_pack_value (bp, TYPE_EMPTY_P (expr), 1);
     377       647794 :   if (FUNC_OR_METHOD_TYPE_P (expr))
     378       171098 :     bp_pack_value (bp, TYPE_NO_NAMED_ARGS_STDARG_P (expr), 1);
     379       647794 :   if (RECORD_OR_UNION_TYPE_P (expr))
     380        93136 :     bp_pack_value (bp, TYPE_INCLUDES_FLEXARRAY (expr), 1);
     381       647794 :   bp_pack_var_len_unsigned (bp, TYPE_PRECISION_RAW (expr));
     382       647794 :   bp_pack_var_len_unsigned (bp, TYPE_ALIGN (expr));
     383       647794 : }
     384              : 
     385              : 
     386              : /* Pack all the non-pointer fields of the TS_BLOCK structure
     387              :    of expression EXPR into bitpack BP.  */
     388              : 
     389              : static void
     390       344561 : pack_ts_block_value_fields (struct output_block *ob,
     391              :                             struct bitpack_d *bp, tree expr)
     392              : {
     393              :   /* BLOCK_NUMBER is recomputed.  */
     394              :   /* Stream BLOCK_SOURCE_LOCATION for the limited cases we can handle - those
     395              :      that represent inlined function scopes.
     396              :      For the rest them on the floor instead of ICEing in dwarf2out.cc.  */
     397       344561 :   if (inlined_function_outer_scope_p (expr))
     398        78427 :     stream_output_location (ob, bp, BLOCK_SOURCE_LOCATION (expr));
     399              :   else
     400       266134 :     stream_output_location (ob, bp, UNKNOWN_LOCATION);
     401       344561 : }
     402              : 
     403              : /* Pack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL structure
     404              :    of expression EXPR into bitpack BP.  */
     405              : 
     406              : static void
     407        31670 : pack_ts_translation_unit_decl_value_fields (struct output_block *ob,
     408              :                                             struct bitpack_d *bp, tree expr)
     409              : {
     410        31670 :   bp_pack_string (ob, bp, TRANSLATION_UNIT_LANGUAGE (expr), true);
     411        31670 : }
     412              : 
     413              : 
     414              : /* Pack all the non-pointer fields of the TS_OMP_CLAUSE structure
     415              :    of expression EXPR into bitpack BP.  */
     416              : 
     417              : static void
     418          214 : pack_ts_omp_clause_value_fields (struct output_block *ob,
     419              :                                  struct bitpack_d *bp, tree expr)
     420              : {
     421          214 :   stream_output_location (ob, bp, OMP_CLAUSE_LOCATION (expr));
     422          214 :   switch (OMP_CLAUSE_CODE (expr))
     423              :     {
     424            0 :     case OMP_CLAUSE_DEFAULT:
     425            0 :       bp_pack_enum (bp, omp_clause_default_kind, OMP_CLAUSE_DEFAULT_LAST,
     426              :                     OMP_CLAUSE_DEFAULT_KIND (expr));
     427            0 :       break;
     428            0 :     case OMP_CLAUSE_SCHEDULE:
     429            0 :       bp_pack_enum (bp, omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_LAST,
     430              :                     OMP_CLAUSE_SCHEDULE_KIND (expr));
     431            0 :       break;
     432            0 :     case OMP_CLAUSE_DEPEND:
     433            0 :       bp_pack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST,
     434              :                     OMP_CLAUSE_DEPEND_KIND (expr));
     435            0 :       break;
     436            0 :     case OMP_CLAUSE_DOACROSS:
     437            0 :       bp_pack_enum (bp, omp_clause_doacross_kind, OMP_CLAUSE_DOACROSS_LAST,
     438              :                     OMP_CLAUSE_DOACROSS_KIND (expr));
     439            0 :       break;
     440            0 :     case OMP_CLAUSE_MAP:
     441            0 :       bp_pack_enum (bp, gomp_map_kind, GOMP_MAP_LAST,
     442              :                     OMP_CLAUSE_MAP_KIND (expr));
     443            0 :       break;
     444            0 :     case OMP_CLAUSE_PROC_BIND:
     445            0 :       bp_pack_enum (bp, omp_clause_proc_bind_kind, OMP_CLAUSE_PROC_BIND_LAST,
     446              :                     OMP_CLAUSE_PROC_BIND_KIND (expr));
     447            0 :       break;
     448            0 :     case OMP_CLAUSE_REDUCTION:
     449            0 :     case OMP_CLAUSE_TASK_REDUCTION:
     450            0 :     case OMP_CLAUSE_IN_REDUCTION:
     451            0 :       bp_pack_enum (bp, tree_code, MAX_TREE_CODES,
     452              :                     OMP_CLAUSE_REDUCTION_CODE (expr));
     453            0 :       break;
     454              :     default:
     455              :       break;
     456              :     }
     457          214 : }
     458              : 
     459              : 
     460              : /* Pack all the bitfields in EXPR into a bit pack.  */
     461              : 
     462              : void
     463      7057289 : streamer_write_tree_bitfields (struct output_block *ob, tree expr)
     464              : {
     465      7057289 :   bitpack_d bp = bitpack_create (ob->main_stream);
     466      7057289 :   enum tree_code code;
     467              : 
     468      7057289 :   code = TREE_CODE (expr);
     469              : 
     470              :   /* Note that all these functions are highly sensitive to changes in
     471              :      the types and sizes of each of the fields being packed.  */
     472      7057289 :   pack_ts_base_value_fields (&bp, expr);
     473              : 
     474      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
     475        43774 :     pack_ts_int_cst_value_fields (&bp, expr);
     476              : 
     477      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST))
     478       113338 :     pack_ts_real_cst_value_fields (&bp, expr);
     479              : 
     480      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST))
     481            0 :     pack_ts_fixed_cst_value_fields (&bp, expr);
     482              : 
     483      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
     484      1530226 :     stream_output_location (ob, &bp, DECL_SOURCE_LOCATION (expr));
     485              : 
     486      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
     487      1530226 :     pack_ts_decl_common_value_fields (&bp, expr);
     488              : 
     489      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
     490      1388025 :     pack_ts_decl_wrtl_value_fields (&bp, expr);
     491              : 
     492      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
     493       921305 :     pack_ts_decl_with_vis_value_fields (&bp, expr);
     494              : 
     495      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
     496       431665 :     pack_ts_function_decl_value_fields (&bp, expr);
     497              : 
     498      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
     499       647794 :     pack_ts_type_common_value_fields (&bp, expr);
     500              : 
     501      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_EXP))
     502              :     {
     503      1721530 :       stream_output_location (ob, &bp, EXPR_LOCATION (expr));
     504      1721530 :       if (code == MEM_REF
     505      1721530 :           || code == TARGET_MEM_REF)
     506              :         {
     507       377905 :           bp_pack_value (&bp, MR_DEPENDENCE_CLIQUE (expr), sizeof (short) * 8);
     508       377905 :           if (MR_DEPENDENCE_CLIQUE (expr) != 0)
     509        17393 :             bp_pack_value (&bp, MR_DEPENDENCE_BASE (expr), sizeof (short) * 8);
     510              :         }
     511      1343625 :       else if (code == CALL_EXPR)
     512           24 :         bp_pack_enum (&bp, internal_fn, IFN_LAST, CALL_EXPR_IFN (expr));
     513              :     }
     514              : 
     515      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
     516       344561 :     pack_ts_block_value_fields (ob, &bp, expr);
     517              : 
     518      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL))
     519        31670 :     pack_ts_translation_unit_decl_value_fields (ob, &bp, expr);
     520              : 
     521      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION))
     522        31126 :     cl_optimization_stream_out (ob, &bp, TREE_OPTIMIZATION (expr));
     523              : 
     524      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
     525              :     {
     526       237253 :       bp_pack_enum (&bp, clobber_kind, CLOBBER_LAST, CLOBBER_KIND (expr));
     527       455080 :       bp_pack_var_len_unsigned (&bp, CONSTRUCTOR_NELTS (expr));
     528              :     }
     529              : 
     530      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION)
     531              :       /* Don't stream these when passing things to a different target.  */
     532        30676 :       && !lto_stream_offload_p)
     533        30676 :     cl_target_option_stream_out (ob, &bp, TREE_TARGET_OPTION (expr));
     534              : 
     535      7057289 :   if (code == OMP_CLAUSE)
     536          214 :     pack_ts_omp_clause_value_fields (ob, &bp, expr);
     537              : 
     538      7057289 :   streamer_write_bitpack (&bp);
     539      7057289 : }
     540              : 
     541              : 
     542              : /* Emit the chain of tree nodes starting at T.  OB is the output block
     543              :    to write to.  REF_P is true if chain elements should be emitted
     544              :    as references.  */
     545              : 
     546              : static void
     547       437697 : streamer_write_chain (struct output_block *ob, tree t)
     548              : {
     549       729056 :   while (t)
     550              :     {
     551              :       /* We avoid outputting external vars or functions by reference
     552              :          to the global decls section as we do not want to have them
     553              :          enter decl merging.  We should not need to do this anymore because
     554              :          free_lang_data removes them from block scopes.  */
     555       291359 :       gcc_assert (!VAR_OR_FUNCTION_DECL_P (t) || !DECL_EXTERNAL (t));
     556       291359 :       stream_write_tree_ref (ob, t);
     557              : 
     558       291359 :       t = TREE_CHAIN (t);
     559              :     }
     560              : 
     561              :   /* Write a sentinel to terminate the chain.  */
     562       437697 :   stream_write_tree_ref (ob, NULL_TREE);
     563       437697 : }
     564              : 
     565              : 
     566              : /* Write all pointer fields in the TS_COMMON structure of EXPR to output
     567              :    block OB.  If REF_P is true, write a reference to EXPR's pointer
     568              :    fields.  */
     569              : 
     570              : static void
     571      6650926 : write_ts_common_tree_pointers (struct output_block *ob, tree expr)
     572              : {
     573      6650926 :   if (TREE_CODE (expr) != IDENTIFIER_NODE)
     574      5166547 :     stream_write_tree_ref (ob, TREE_TYPE (expr));
     575      6650926 : }
     576              : 
     577              : 
     578              : /* Write all pointer fields in the TS_VECTOR structure of EXPR to output
     579              :    block OB.  If REF_P is true, write a reference to EXPR's pointer
     580              :    fields.  */
     581              : 
     582              : static void
     583         5770 : write_ts_vector_tree_pointers (struct output_block *ob, tree expr)
     584              : {
     585              :   /* Note that the number of elements for EXPR has already been emitted
     586              :      in EXPR's header (see streamer_write_tree_header).  */
     587         5770 :   unsigned int count = vector_cst_encoded_nelts (expr);
     588        23913 :   for (unsigned int i = 0; i < count; ++i)
     589        18143 :     stream_write_tree_ref (ob, VECTOR_CST_ENCODED_ELT (expr, i));
     590         5770 : }
     591              : 
     592              : 
     593              : /* Write all pointer fields in the TS_POLY_INT_CST structure of EXPR to
     594              :    output block OB.  If REF_P is true, write a reference to EXPR's pointer
     595              :    fields.  */
     596              : 
     597              : static void
     598            0 : write_ts_poly_tree_pointers (struct output_block *ob, tree expr)
     599              : {
     600            0 :   for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
     601            0 :     stream_write_tree_ref (ob, POLY_INT_CST_COEFF (expr, i));
     602            0 : }
     603              : 
     604              : 
     605              : /* Write all pointer fields in the TS_COMPLEX structure of EXPR to output
     606              :    block OB.  If REF_P is true, write a reference to EXPR's pointer
     607              :    fields.  */
     608              : 
     609              : static void
     610         8007 : write_ts_complex_tree_pointers (struct output_block *ob, tree expr)
     611              : {
     612         8007 :   stream_write_tree_ref (ob, TREE_REALPART (expr));
     613         8007 :   stream_write_tree_ref (ob, TREE_IMAGPART (expr));
     614         8007 : }
     615              : 
     616              : 
     617              : /* Write all pointer fields in the TS_DECL_MINIMAL structure of EXPR
     618              :    to output block OB.  If REF_P is true, write a reference to EXPR's
     619              :    pointer fields.  */
     620              : 
     621              : static void
     622      1530226 : write_ts_decl_minimal_tree_pointers (struct output_block *ob, tree expr)
     623              : {
     624              :   /* Drop names that were created for anonymous entities.  */
     625      1530226 :   if (DECL_NAME (expr)
     626      1348945 :       && TREE_CODE (DECL_NAME (expr)) == IDENTIFIER_NODE
     627      2879171 :       && IDENTIFIER_ANON_P (DECL_NAME (expr)))
     628          543 :     stream_write_tree_ref (ob, NULL_TREE);
     629              :   else
     630      1529683 :     stream_write_tree_ref (ob, DECL_NAME (expr));
     631      1530226 :   if (TREE_CODE (expr) != TRANSLATION_UNIT_DECL
     632      1530226 :       && ! DECL_CONTEXT (expr))
     633        15164 :     stream_write_tree_ref (ob, (*all_translation_units)[0]);
     634              :   else
     635      1515062 :     stream_write_tree_ref (ob, DECL_CONTEXT (expr));
     636      1530226 : }
     637              : 
     638              : 
     639              : /* Write all pointer fields in the TS_DECL_COMMON structure of EXPR to
     640              :    output block OB.  If REF_P is true, write a reference to EXPR's
     641              :    pointer fields.  */
     642              : 
     643              : static void
     644      1530226 : write_ts_decl_common_tree_pointers (struct output_block *ob, tree expr)
     645              : {
     646      1530226 :   stream_write_tree_ref (ob, DECL_SIZE (expr));
     647      1530226 :   stream_write_tree_ref (ob, DECL_SIZE_UNIT (expr));
     648              : 
     649              :   /* Note, DECL_INITIAL is not handled here.  Since DECL_INITIAL needs
     650              :      special handling in LTO, it must be handled by streamer hooks.  */
     651              : 
     652      1530226 :   stream_write_tree_ref (ob, DECL_ATTRIBUTES (expr));
     653              : 
     654              :   /* On non-early-LTO enabled targets we claim we compiled with -g0
     655              :      but dwarf2out still did its set_decl_origin_self game fooling
     656              :      itself late.  Und that here since we won't have access to the
     657              :      early generated abstract DIEs.  */
     658      1530226 :   tree ao = DECL_ABSTRACT_ORIGIN (expr);
     659      1530226 :   if (debug_info_level == DINFO_LEVEL_NONE
     660      1404295 :       && ao == expr)
     661      1530226 :     ao = NULL_TREE;
     662      1530226 :   stream_write_tree_ref (ob, ao);
     663              : 
     664      1069510 :   if ((VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
     665      1861354 :       && DECL_HAS_VALUE_EXPR_P (expr))
     666         6506 :     stream_write_tree_ref (ob, DECL_VALUE_EXPR (expr));
     667              : 
     668      1530226 :   if (VAR_P (expr)
     669      1530226 :       && DECL_HAS_DEBUG_EXPR_P (expr))
     670         1502 :     stream_write_tree_ref (ob, DECL_DEBUG_EXPR (expr));
     671      1530226 : }
     672              : 
     673              : 
     674              : /* Write all pointer fields in the TS_DECL_NON_COMMON structure of
     675              :    EXPR to output block OB.  If REF_P is true, write a reference to EXPR's
     676              :    pointer fields.  */
     677              : 
     678              : static void
     679            0 : write_ts_decl_non_common_tree_pointers (struct output_block *, tree)
     680              : {
     681            0 : }
     682              : 
     683              : 
     684              : /* Write all pointer fields in the TS_DECL_WITH_VIS structure of EXPR
     685              :    to output block OB.  If REF_P is true, write a reference to EXPR's
     686              :    pointer fields.  */
     687              : 
     688              : static void
     689       921305 : write_ts_decl_with_vis_tree_pointers (struct output_block *ob, tree expr)
     690              : {
     691              :   /* Make sure we don't inadvertently set the assembler name.  */
     692       921305 :   if (DECL_ASSEMBLER_NAME_SET_P (expr))
     693       744333 :     stream_write_tree_ref (ob, DECL_ASSEMBLER_NAME (expr));
     694              :   else
     695       176972 :     stream_write_tree_ref (ob, NULL_TREE);
     696       921305 : }
     697              : 
     698              : 
     699              : /* Write all pointer fields in the TS_FIELD_DECL structure of EXPR to
     700              :    output block OB.  If REF_P is true, write a reference to EXPR's
     701              :    pointer fields.  */
     702              : 
     703              : static void
     704       110401 : write_ts_field_decl_tree_pointers (struct output_block *ob, tree expr)
     705              : {
     706       110401 :   stream_write_tree_ref (ob, DECL_FIELD_OFFSET (expr));
     707       110401 :   stream_write_tree_ref (ob, DECL_BIT_FIELD_TYPE (expr));
     708       110401 :   stream_write_tree_ref (ob, DECL_BIT_FIELD_REPRESENTATIVE (expr));
     709       110401 :   stream_write_tree_ref (ob, DECL_FIELD_BIT_OFFSET (expr));
     710       110401 : }
     711              : 
     712              : 
     713              : /* Write all pointer fields in the TS_FUNCTION_DECL structure of EXPR
     714              :    to output block OB.  If REF_P is true, write a reference to EXPR's
     715              :    pointer fields.  */
     716              : 
     717              : static void
     718       431665 : write_ts_function_decl_tree_pointers (struct output_block *ob, tree expr)
     719              : {
     720              :   /* DECL_STRUCT_FUNCTION is handled by lto_output_function.  */
     721       431665 :   stream_write_tree_ref (ob, DECL_FUNCTION_PERSONALITY (expr));
     722              :   /* Don't stream these when passing things to a different target.  */
     723       431665 :   if (!lto_stream_offload_p)
     724       431665 :     stream_write_tree_ref (ob, DECL_FUNCTION_SPECIFIC_TARGET (expr));
     725       431665 :   stream_write_tree_ref (ob, DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr));
     726       431665 : }
     727              : 
     728              : 
     729              : /* Write all pointer fields in the TS_TYPE_COMMON structure of EXPR to
     730              :    output block OB.  If REF_P is true, write a reference to EXPR's
     731              :    pointer fields.  */
     732              : 
     733              : static void
     734       647794 : write_ts_type_common_tree_pointers (struct output_block *ob, tree expr)
     735              : {
     736       647794 :   stream_write_tree_ref (ob, TYPE_SIZE (expr));
     737       647794 :   stream_write_tree_ref (ob, TYPE_SIZE_UNIT (expr));
     738       647794 :   stream_write_tree_ref (ob, TYPE_ATTRIBUTES (expr));
     739       647794 :   stream_write_tree_ref (ob, TYPE_NAME (expr));
     740              :   /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO.  They will be
     741              :      reconstructed during fixup.  */
     742              :   /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
     743              :      during fixup.  */
     744       647794 :   stream_write_tree_ref (ob, TYPE_MAIN_VARIANT (expr));
     745       647794 :   stream_write_tree_ref (ob, TYPE_CONTEXT (expr));
     746              :   /* TYPE_CANONICAL is re-computed during type merging, so no need
     747              :      to stream it here.  */
     748              :   /* Do not stream TYPE_STUB_DECL; it is not needed by LTO but currently
     749              :      it cannot be freed by free_lang_data without triggering ICEs in
     750              :      langhooks.  */
     751       647794 : }
     752              : 
     753              : /* Write all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR
     754              :    to output block OB.  If REF_P is true, write a reference to EXPR's
     755              :    pointer fields.  */
     756              : 
     757              : static void
     758       647794 : write_ts_type_non_common_tree_pointers (struct output_block *ob, tree expr)
     759              : {
     760       647794 :   if (TREE_CODE (expr) == ARRAY_TYPE)
     761        45876 :     stream_write_tree_ref (ob, TYPE_DOMAIN (expr));
     762       601918 :   else if (RECORD_OR_UNION_TYPE_P (expr))
     763        93136 :     streamer_write_chain (ob, TYPE_FIELDS (expr));
     764       508782 :   else if (FUNC_OR_METHOD_TYPE_P (expr))
     765       171098 :     stream_write_tree_ref (ob, TYPE_ARG_TYPES (expr));
     766              : 
     767       647794 :   if (!POINTER_TYPE_P (expr))
     768       390866 :     stream_write_tree_ref (ob, TYPE_MIN_VALUE_RAW (expr));
     769       647794 :   stream_write_tree_ref (ob, TYPE_MAX_VALUE_RAW (expr));
     770       647794 : }
     771              : 
     772              : 
     773              : /* Write all pointer fields in the TS_LIST structure of EXPR to output
     774              :    block OB.  If REF_P is true, write a reference to EXPR's pointer
     775              :    fields.  */
     776              : 
     777              : static void
     778       674151 : write_ts_list_tree_pointers (struct output_block *ob, tree expr)
     779              : {
     780       674151 :   stream_write_tree_ref (ob, TREE_PURPOSE (expr));
     781       674151 :   stream_write_tree_ref (ob, TREE_VALUE (expr));
     782       674151 :   stream_write_tree_ref (ob, TREE_CHAIN (expr));
     783       674151 : }
     784              : 
     785              : 
     786              : /* Write all pointer fields in the TS_VEC structure of EXPR to output
     787              :    block OB.  If REF_P is true, write a reference to EXPR's pointer
     788              :    fields.  */
     789              : 
     790              : static void
     791            2 : write_ts_vec_tree_pointers (struct output_block *ob, tree expr)
     792              : {
     793            2 :   int i;
     794              : 
     795              :   /* Note that the number of slots for EXPR has already been emitted
     796              :      in EXPR's header (see streamer_write_tree_header).  */
     797           10 :   for (i = 0; i < TREE_VEC_LENGTH (expr); i++)
     798            8 :     stream_write_tree_ref (ob, TREE_VEC_ELT (expr, i));
     799            2 : }
     800              : 
     801              : 
     802              : /* Write all pointer fields in the TS_EXP structure of EXPR to output
     803              :    block OB.  If REF_P is true, write a reference to EXPR's pointer
     804              :    fields.  */
     805              : 
     806              : static void
     807      1721530 : write_ts_exp_tree_pointers (struct output_block *ob, tree expr)
     808              : {
     809      1721530 :   int i;
     810              : 
     811      4175311 :   for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++)
     812      2453781 :     stream_write_tree_ref (ob, TREE_OPERAND (expr, i));
     813      1721530 :   stream_write_tree_ref (ob, TREE_BLOCK (expr));
     814      1721530 : }
     815              : 
     816              : 
     817              : /* Write all pointer fields in the TS_BLOCK structure of EXPR to output
     818              :    block OB.  If REF_P is true, write a reference to EXPR's pointer
     819              :    fields.  */
     820              : 
     821              : static void
     822       344561 : write_ts_block_tree_pointers (struct output_block *ob, tree expr)
     823              : {
     824       344561 :   streamer_write_chain (ob, BLOCK_VARS (expr));
     825              : 
     826       344561 :   stream_write_tree_ref (ob, BLOCK_SUPERCONTEXT (expr));
     827       344561 :   stream_write_tree_ref (ob, BLOCK_ABSTRACT_ORIGIN (expr));
     828              : 
     829              :   /* Do not stream BLOCK_NONLOCALIZED_VARS.  We cannot handle debug information
     830              :      for early inlined BLOCKs so drop it on the floor instead of ICEing in
     831              :      dwarf2out.cc.  */
     832              : 
     833              :   /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO
     834              :      streaming time.  */
     835              : 
     836              :   /* Do not output BLOCK_SUBBLOCKS.  Instead on streaming-in this
     837              :      list is re-constructed from BLOCK_SUPERCONTEXT.  */
     838       344561 : }
     839              : 
     840              : 
     841              : /* Write all pointer fields in the TS_BINFO structure of EXPR to output
     842              :    block OB.  If REF_P is true, write a reference to EXPR's pointer
     843              :    fields.  */
     844              : 
     845              : static void
     846         7256 : write_ts_binfo_tree_pointers (struct output_block *ob, tree expr)
     847              : {
     848         7256 :   unsigned i;
     849         7256 :   tree t;
     850              : 
     851              :   /* Note that the number of BINFO slots has already been emitted in
     852              :      EXPR's header (see streamer_write_tree_header) because this length
     853              :      is needed to build the empty BINFO node on the reader side.  */
     854        14175 :   FOR_EACH_VEC_ELT (*BINFO_BASE_BINFOS (expr), i, t)
     855         6919 :     stream_write_tree_ref (ob, t);
     856         7256 :   stream_write_tree_ref (ob, NULL_TREE);
     857              : 
     858         7256 :   stream_write_tree_ref (ob, BINFO_OFFSET (expr));
     859         7256 :   stream_write_tree_ref (ob, BINFO_VTABLE (expr));
     860              : 
     861              :   /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX,
     862              :      BINFO_BASE_ACCESSES and BINFO_VPTR_INDEX; these are used by C++ FE only.  */
     863         7256 : }
     864              : 
     865              : 
     866              : /* Write all pointer fields in the TS_CONSTRUCTOR structure of EXPR to
     867              :    output block OB.  If REF_P is true, write a reference to EXPR's
     868              :    pointer fields.  */
     869              : 
     870              : static void
     871       237253 : write_ts_constructor_tree_pointers (struct output_block *ob, tree expr)
     872              : {
     873       237253 :   unsigned i;
     874       237253 :   tree index, value;
     875              : 
     876       769360 :   FOR_EACH_CONSTRUCTOR_ELT (CONSTRUCTOR_ELTS (expr), i, index, value)
     877              :     {
     878       532107 :       stream_write_tree_ref (ob, index);
     879       532107 :       stream_write_tree_ref (ob, value);
     880              :     }
     881       237253 : }
     882              : 
     883              : 
     884              : /* Write all pointer fields in the RAW_DATA_CST/TS_RAW_DATA_CST structure of
     885              :    EXPR to output block OB.  */
     886              : 
     887              : static void
     888           21 : write_ts_raw_data_cst_tree_pointers (struct output_block *ob, tree expr)
     889              : {
     890              :   /* Only write this for non-NULL RAW_DATA_OWNER.  RAW_DATA_CST with
     891              :      NULL RAW_DATA_OWNER is streamed to be read back as STRING_CST.  */
     892           21 :   if (RAW_DATA_OWNER (expr) != NULL_TREE)
     893           19 :     stream_write_tree_ref (ob, RAW_DATA_OWNER (expr));
     894           21 : }
     895              : 
     896              : 
     897              : /* Write all pointer fields in the TS_OMP_CLAUSE structure of EXPR
     898              :    to output block OB.  If REF_P is true, write a reference to EXPR's
     899              :    pointer fields.  */
     900              : 
     901              : static void
     902          214 : write_ts_omp_clause_tree_pointers (struct output_block *ob, tree expr)
     903              : {
     904          214 :   int i;
     905          494 :   for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++)
     906          280 :     stream_write_tree_ref (ob, OMP_CLAUSE_OPERAND (expr, i));
     907          214 :   switch (OMP_CLAUSE_CODE (expr))
     908              :     {
     909            0 :     case OMP_CLAUSE_REDUCTION:
     910            0 :     case OMP_CLAUSE_TASK_REDUCTION:
     911            0 :     case OMP_CLAUSE_IN_REDUCTION:
     912              :       /* We don't stream these right now, handle it if streaming
     913              :          of them is needed.  */
     914            0 :       gcc_assert (OMP_CLAUSE_REDUCTION_GIMPLE_INIT (expr) == NULL);
     915            0 :       gcc_assert (OMP_CLAUSE_REDUCTION_GIMPLE_MERGE (expr) == NULL);
     916              :       break;
     917              :     default:
     918              :       break;
     919              :     }
     920          214 :   stream_write_tree_ref (ob, OMP_CLAUSE_CHAIN (expr));
     921          214 : }
     922              : 
     923              : 
     924              : /* Write all pointer fields in EXPR to output block OB.  If REF_P is true,
     925              :    the leaves of EXPR are emitted as references.  */
     926              : 
     927              : void
     928      7057289 : streamer_write_tree_body (struct output_block *ob, tree expr)
     929              : {
     930      7057289 :   enum tree_code code;
     931              : 
     932      7057289 :   lto_stats.num_tree_bodies_output++;
     933              : 
     934      7057289 :   code = TREE_CODE (expr);
     935              : 
     936      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
     937      6650926 :     write_ts_common_tree_pointers (ob, expr);
     938              : 
     939      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
     940         5770 :     write_ts_vector_tree_pointers (ob, expr);
     941              : 
     942      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_POLY_INT_CST))
     943            0 :     write_ts_poly_tree_pointers (ob, expr);
     944              : 
     945      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX))
     946         8007 :     write_ts_complex_tree_pointers (ob, expr);
     947              : 
     948      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
     949      1530226 :     write_ts_decl_minimal_tree_pointers (ob, expr);
     950              : 
     951      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
     952      1530226 :     write_ts_decl_common_tree_pointers (ob, expr);
     953              : 
     954      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
     955      7057289 :     write_ts_decl_non_common_tree_pointers (ob, expr);
     956              : 
     957      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
     958       921305 :     write_ts_decl_with_vis_tree_pointers (ob, expr);
     959              : 
     960      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL))
     961       110401 :     write_ts_field_decl_tree_pointers (ob, expr);
     962              : 
     963      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
     964       431665 :     write_ts_function_decl_tree_pointers (ob, expr);
     965              : 
     966      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
     967       647794 :     write_ts_type_common_tree_pointers (ob, expr);
     968              : 
     969      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON))
     970       647794 :     write_ts_type_non_common_tree_pointers (ob, expr);
     971              : 
     972      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_LIST))
     973       674151 :     write_ts_list_tree_pointers (ob, expr);
     974              : 
     975      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_VEC))
     976            2 :     write_ts_vec_tree_pointers (ob, expr);
     977              : 
     978      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_EXP))
     979      1721530 :     write_ts_exp_tree_pointers (ob, expr);
     980              : 
     981      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
     982       344561 :     write_ts_block_tree_pointers (ob, expr);
     983              : 
     984      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
     985         7256 :     write_ts_binfo_tree_pointers (ob, expr);
     986              : 
     987      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
     988       237253 :     write_ts_constructor_tree_pointers (ob, expr);
     989              : 
     990      7057289 :   if (code == RAW_DATA_CST)
     991           21 :     write_ts_raw_data_cst_tree_pointers (ob, expr);
     992              : 
     993      7057289 :   if (code == OMP_CLAUSE)
     994          214 :     write_ts_omp_clause_tree_pointers (ob, expr);
     995      7057289 : }
     996              : 
     997              : 
     998              : /* Emit header information for tree EXPR to output block OB.  The header
     999              :    contains everything needed to instantiate an empty skeleton for
    1000              :    EXPR on the reading side.  IX is the index into the streamer cache
    1001              :    where EXPR is stored.  */
    1002              : 
    1003              : void
    1004      7057289 : streamer_write_tree_header (struct output_block *ob, tree expr)
    1005              : {
    1006      7057289 :   enum LTO_tags tag;
    1007      7057289 :   enum tree_code code;
    1008              : 
    1009      7057289 :   if (streamer_dump_file)
    1010              :     {
    1011          416 :       print_node_brief (streamer_dump_file, "     Streaming header of ",
    1012              :                         expr, 4);
    1013          416 :       fprintf (streamer_dump_file, "  to %s\n",
    1014          416 :                lto_section_name[ob->section_type]);
    1015              :     }
    1016              : 
    1017              :   /* We should not see any tree nodes not handled by the streamer.  */
    1018      7057289 :   code = TREE_CODE (expr);
    1019              : 
    1020              :   /* The header of a tree node consists of its tag, the size of
    1021              :      the node, and any other information needed to instantiate
    1022              :      EXPR on the reading side (such as the number of slots in
    1023              :      variable sized nodes).  */
    1024      7057289 :   tag = lto_tree_code_to_tag (code);
    1025      7057289 :   streamer_write_record_start (ob, tag);
    1026              : 
    1027              :   /* The text in strings and identifiers are completely emitted in
    1028              :      the header.  */
    1029      7057289 :   if (CODE_CONTAINS_STRUCT (code, TS_STRING))
    1030       177211 :     streamer_write_string_cst (ob, ob->main_stream, expr);
    1031      6880078 :   else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER))
    1032      1484379 :     write_identifier (ob, ob->main_stream, expr);
    1033      5395699 :   else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
    1034              :     {
    1035         5770 :       bitpack_d bp = bitpack_create (ob->main_stream);
    1036         5770 :       bp_pack_value (&bp, VECTOR_CST_LOG2_NPATTERNS (expr), 8);
    1037         5770 :       bp_pack_value (&bp, VECTOR_CST_NELTS_PER_PATTERN (expr), 8);
    1038         5770 :       streamer_write_bitpack (&bp);
    1039              :     }
    1040      5389929 :   else if (CODE_CONTAINS_STRUCT (code, TS_VEC))
    1041            2 :     streamer_write_hwi (ob, TREE_VEC_LENGTH (expr));
    1042      5389927 :   else if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
    1043         7256 :     streamer_write_uhwi (ob, BINFO_N_BASE_BINFOS (expr));
    1044      5382671 :   else if (TREE_CODE (expr) == CALL_EXPR)
    1045           24 :     streamer_write_uhwi (ob, call_expr_nargs (expr));
    1046      5382647 :   else if (TREE_CODE (expr) == OMP_CLAUSE)
    1047          214 :     streamer_write_uhwi (ob, OMP_CLAUSE_CODE (expr));
    1048      5382433 :   else if (TREE_CODE (expr) == RAW_DATA_CST)
    1049              :     {
    1050           21 :       if (RAW_DATA_OWNER (expr) == NULL_TREE)
    1051              :         {
    1052              :           /* RAW_DATA_CST with NULL RAW_DATA_OWNER is an owner of other
    1053              :              RAW_DATA_CST's data.  This should be streamed out so that
    1054              :              it can be streamed back in as a STRING_CST instead, but without
    1055              :              the need to duplicate the possibly large data.  */
    1056            2 :           streamer_write_uhwi (ob, 0);
    1057            2 :           streamer_write_string_with_length (ob, ob->main_stream,
    1058            2 :                                              RAW_DATA_POINTER (expr),
    1059            2 :                                              RAW_DATA_LENGTH (expr), true);
    1060              :         }
    1061              :       else
    1062              :         {
    1063           19 :           streamer_write_uhwi (ob, RAW_DATA_LENGTH (expr));
    1064           19 :           tree owner = RAW_DATA_OWNER (expr);
    1065           19 :           unsigned HOST_WIDE_INT off;
    1066           19 :           if (TREE_CODE (owner) == STRING_CST)
    1067           16 :             off = RAW_DATA_POINTER (expr) - TREE_STRING_POINTER (owner);
    1068              :           else
    1069              :             {
    1070            3 :               gcc_checking_assert (TREE_CODE (owner) == RAW_DATA_CST
    1071              :                                    && RAW_DATA_OWNER (owner) == NULL_TREE);
    1072            3 :               off = RAW_DATA_POINTER (expr) - RAW_DATA_POINTER (owner);
    1073              :             }
    1074           19 :           streamer_write_uhwi (ob, off);
    1075              :         }
    1076              :     }
    1077      5382412 :   else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
    1078              :     {
    1079        43774 :       gcc_checking_assert (TREE_INT_CST_NUNITS (expr));
    1080        43774 :       streamer_write_uhwi (ob, TREE_INT_CST_NUNITS (expr));
    1081        43774 :       streamer_write_uhwi (ob, TREE_INT_CST_EXT_NUNITS (expr));
    1082              :     }
    1083      7057289 : }
    1084              : 
    1085              : 
    1086              : /* Emit the integer constant CST to output block OB.  If REF_P is true,
    1087              :    CST's type will be emitted as a reference.  */
    1088              : 
    1089              : void
    1090      1056593 : streamer_write_integer_cst (struct output_block *ob, tree cst)
    1091              : {
    1092      1056593 :   int i;
    1093      1056593 :   int len = TREE_INT_CST_NUNITS (cst);
    1094      1056593 :   gcc_assert (!TREE_OVERFLOW (cst));
    1095      1056593 :   if (streamer_dump_file)
    1096              :     {
    1097          140 :       print_node_brief (streamer_dump_file, "     Streaming integer ",
    1098              :                         cst, 4);
    1099          140 :       fprintf (streamer_dump_file, "\n");
    1100              :     }
    1101      1056593 :   streamer_write_record_start (ob, LTO_integer_cst);
    1102      1056593 :   stream_write_tree_ref (ob, TREE_TYPE (cst));
    1103              :   /* We're effectively streaming a non-sign-extended wide_int here,
    1104              :      so there's no need to stream TREE_INT_CST_EXT_NUNITS or any
    1105              :      array members beyond LEN.  We'll recreate the tree from the
    1106              :      wide_int and the type.  */
    1107      1056593 :   streamer_write_uhwi (ob, len);
    1108      3175069 :   for (i = 0; i < len; i++)
    1109      1061883 :     streamer_write_hwi (ob, TREE_INT_CST_ELT (cst, i));
    1110      1056593 : }
        

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.