LCOV - code coverage report
Current view: top level - gcc - dumpfile.h (source / functions) Coverage Total Hit
Test: gcc.info Lines: 95.2 % 63 60
Test Date: 2024-04-13 14:00:49 Functions: 100.0 % 6 6
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: - 0 0

             Branch data     Line data    Source code
       1                 :             : /* Definitions for the shared dumpfile.
       2                 :             :    Copyright (C) 2004-2024 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
       7                 :             : it under the terms of the GNU General Public License as published by
       8                 :             : the Free Software Foundation; either version 3, or (at your option)
       9                 :             : any later version.
      10                 :             : 
      11                 :             : GCC is distributed in the hope that it will be useful,
      12                 :             : but WITHOUT ANY WARRANTY; without even the implied warranty of
      13                 :             : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14                 :             : GNU General Public License 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                 :             : 
      21                 :             : #ifndef GCC_DUMPFILE_H
      22                 :             : #define GCC_DUMPFILE_H 1
      23                 :             : 
      24                 :             : #include "profile-count.h"
      25                 :             : 
      26                 :             : /* An attribute for annotating formatting printing functions that use
      27                 :             :    the dumpfile/optinfo formatting codes.  These are the pretty_printer
      28                 :             :    format codes (see pretty-print.cc), with additional codes for middle-end
      29                 :             :    specific entities (see dumpfile.cc).  */
      30                 :             : 
      31                 :             : #if GCC_VERSION >= 9000
      32                 :             : #define ATTRIBUTE_GCC_DUMP_PRINTF(m, n) \
      33                 :             :   __attribute__ ((__format__ (__gcc_dump_printf__, m ,n))) \
      34                 :             :   ATTRIBUTE_NONNULL(m)
      35                 :             : #else
      36                 :             : #define ATTRIBUTE_GCC_DUMP_PRINTF(m, n) ATTRIBUTE_NONNULL(m)
      37                 :             : #endif
      38                 :             : 
      39                 :             : /* Different tree dump places.  When you add new tree dump places,
      40                 :             :    extend the DUMP_FILES array in dumpfile.cc.  */
      41                 :             : enum tree_dump_index
      42                 :             : {
      43                 :             :   TDI_none,                     /* No dump */
      44                 :             :   TDI_cgraph,                   /* dump function call graph.  */
      45                 :             :   TDI_inheritance,              /* dump type inheritance graph.  */
      46                 :             :   TDI_clones,                   /* dump IPA cloning decisions.  */
      47                 :             :   TDI_original,                 /* dump each function before optimizing it */
      48                 :             :   TDI_gimple,                   /* dump each function after gimplifying it */
      49                 :             :   TDI_nested,                   /* dump each function after unnesting it */
      50                 :             :   TDI_lto_stream_out,           /* dump information about lto streaming */
      51                 :             :   TDI_profile_report,           /* dump information about profile quality */
      52                 :             : 
      53                 :             :   TDI_lang_all,                 /* enable all the language dumps.  */
      54                 :             :   TDI_tree_all,                 /* enable all the GENERIC/GIMPLE dumps.  */
      55                 :             :   TDI_rtl_all,                  /* enable all the RTL dumps.  */
      56                 :             :   TDI_ipa_all,                  /* enable all the IPA dumps.  */
      57                 :             : 
      58                 :             :   TDI_end
      59                 :             : };
      60                 :             : 
      61                 :             : /* Enum used to distinguish dump files to types.  */
      62                 :             : 
      63                 :             : enum dump_kind
      64                 :             : {
      65                 :             :   DK_none,
      66                 :             :   DK_lang,
      67                 :             :   DK_tree,
      68                 :             :   DK_rtl,
      69                 :             :   DK_ipa
      70                 :             : };
      71                 :             : 
      72                 :             : /* Bit masks to control dumping. Not all values are applicable to all
      73                 :             :    dumps. Add new ones at the end. When you define new values, extend
      74                 :             :    the DUMP_OPTIONS array in dumpfile.cc. The TDF_* flags coexist with
      75                 :             :    MSG_* flags (for -fopt-info) and the bit values must be chosen to
      76                 :             :    allow that.  */
      77                 :             : enum dump_flag : uint32_t
      78                 :             : {
      79                 :             :   /* Value of TDF_NONE is used just for bits filtered by TDF_KIND_MASK.  */
      80                 :             :   TDF_NONE  = 0,
      81                 :             : 
      82                 :             :   /* Dump node addresses.  */
      83                 :             :   TDF_ADDRESS = (1 << 0),
      84                 :             : 
      85                 :             :   /* Don't go wild following links.  */
      86                 :             :   TDF_SLIM = (1 << 1),
      87                 :             : 
      88                 :             :   /* Don't unparse the function.  */
      89                 :             :   TDF_RAW = (1 << 2),
      90                 :             : 
      91                 :             :   /* Show more detailed info about each pass.  */
      92                 :             :   TDF_DETAILS = (1 << 3),
      93                 :             : 
      94                 :             :   /* Dump various statistics about each pass.  */
      95                 :             :   TDF_STATS = (1 << 4),
      96                 :             : 
      97                 :             :   /* Display basic block boundaries.  */
      98                 :             :   TDF_BLOCKS = (1 << 5),
      99                 :             : 
     100                 :             :   /* Display virtual operands.  */
     101                 :             :   TDF_VOPS = (1 << 6),
     102                 :             : 
     103                 :             :   /* Display statement line numbers.  */
     104                 :             :   TDF_LINENO = (1 << 7),
     105                 :             : 
     106                 :             :   /* Display decl UIDs.  */
     107                 :             :   TDF_UID  = (1 << 8),
     108                 :             : 
     109                 :             :   /* Address of stmt.  */
     110                 :             :   TDF_STMTADDR = (1 << 9),
     111                 :             : 
     112                 :             :   /* A graph dump is being emitted.  */
     113                 :             :   TDF_GRAPH = (1 << 10),
     114                 :             : 
     115                 :             :   /* Display memory symbols in expr.
     116                 :             :      Implies TDF_VOPS.  */
     117                 :             :   TDF_MEMSYMS = (1 << 11),
     118                 :             : 
     119                 :             :   /* A flag to only print the RHS of a gimple stmt.  */
     120                 :             :   TDF_RHS_ONLY = (1 << 12),
     121                 :             : 
     122                 :             :   /* Display asm names of decls.  */
     123                 :             :   TDF_ASMNAME = (1 << 13),
     124                 :             : 
     125                 :             :   /* Display EH region number holding this gimple statement.  */
     126                 :             :   TDF_EH  = (1 << 14),
     127                 :             : 
     128                 :             :   /* Omit UIDs from dumps.  */
     129                 :             :   TDF_NOUID = (1 << 15),
     130                 :             : 
     131                 :             :   /* Display alias information.  */
     132                 :             :   TDF_ALIAS = (1 << 16),
     133                 :             : 
     134                 :             :   /* Enumerate locals by uid.  */
     135                 :             :   TDF_ENUMERATE_LOCALS = (1 << 17),
     136                 :             : 
     137                 :             :   /* Dump cselib details.  */
     138                 :             :   TDF_CSELIB = (1 << 18),
     139                 :             : 
     140                 :             :   /* Dump SCEV details.  */
     141                 :             :   TDF_SCEV = (1 << 19),
     142                 :             : 
     143                 :             :   /* Dump in GIMPLE FE syntax.  */
     144                 :             :   TDF_GIMPLE = (1 << 20),
     145                 :             : 
     146                 :             :   /* Dump folding details.  */
     147                 :             :   TDF_FOLDING = (1 << 21),
     148                 :             : 
     149                 :             :   /* MSG_* flags for expressing the kinds of message to
     150                 :             :      be emitted by -fopt-info.  */
     151                 :             : 
     152                 :             :   /* -fopt-info optimized sources.  */
     153                 :             :   MSG_OPTIMIZED_LOCATIONS = (1 << 22),
     154                 :             : 
     155                 :             :   /* Missed opportunities.  */
     156                 :             :   MSG_MISSED_OPTIMIZATION = (1 << 23),
     157                 :             : 
     158                 :             :   /* General optimization info.  */
     159                 :             :   MSG_NOTE = (1 << 24),
     160                 :             : 
     161                 :             :   /* Mask for selecting MSG_-kind flags.  */
     162                 :             :   MSG_ALL_KINDS = (MSG_OPTIMIZED_LOCATIONS
     163                 :             :                    | MSG_MISSED_OPTIMIZATION
     164                 :             :                    | MSG_NOTE),
     165                 :             : 
     166                 :             :   /* MSG_PRIORITY_* flags for expressing the priority levels of message
     167                 :             :      to be emitted by -fopt-info, and filtering on them.
     168                 :             :      By default, messages at the top-level dump scope are "user-facing",
     169                 :             :      whereas those that are in nested scopes are implicitly "internals".
     170                 :             :      This behavior can be overridden for a given dump message by explicitly
     171                 :             :      specifying one of the MSG_PRIORITY_* flags.
     172                 :             : 
     173                 :             :      By default, dump files show both kinds of message, whereas -fopt-info
     174                 :             :      only shows "user-facing" messages, and requires the "-internals"
     175                 :             :      sub-option of -fopt-info to show the internal messages.  */
     176                 :             : 
     177                 :             :   /* Implicitly supplied for messages at the top-level dump scope.  */
     178                 :             :   MSG_PRIORITY_USER_FACING = (1 << 25),
     179                 :             : 
     180                 :             :   /* Implicitly supplied for messages within nested dump scopes.  */
     181                 :             :   MSG_PRIORITY_INTERNALS = (1 << 26),
     182                 :             : 
     183                 :             :   /* Supplied when an opt_problem generated in a nested scope is re-emitted
     184                 :             :      at the top-level.   We want to default to showing these in -fopt-info
     185                 :             :      output, but to *not* show them in dump files, as the message would be
     186                 :             :      shown twice, messing up "scan-tree-dump-times" in DejaGnu tests.  */
     187                 :             :   MSG_PRIORITY_REEMITTED = (1 << 27),
     188                 :             : 
     189                 :             :   /* Mask for selecting MSG_PRIORITY_* flags.  */
     190                 :             :   MSG_ALL_PRIORITIES = (MSG_PRIORITY_USER_FACING
     191                 :             :                         | MSG_PRIORITY_INTERNALS
     192                 :             :                         | MSG_PRIORITY_REEMITTED),
     193                 :             : 
     194                 :             :   /* All -fdump- flags.  */
     195                 :             :   TDF_ALL_VALUES = (1 << 28) - 1,
     196                 :             : 
     197                 :             :   /* Dumping for -fcompare-debug.  */
     198                 :             :   TDF_COMPARE_DEBUG = (1 << 28),
     199                 :             : 
     200                 :             :   /* Dump a GIMPLE value which means wrapping certain things with _Literal.  */
     201                 :             :   TDF_GIMPLE_VAL = (1 << 29),
     202                 :             : 
     203                 :             :   /* For error.  */
     204                 :             :   TDF_ERROR = ((uint32_t)1 << 30),
     205                 :             : };
     206                 :             : 
     207                 :             : /* Dump flags type.  */
     208                 :             : 
     209                 :             : typedef enum dump_flag dump_flags_t;
     210                 :             : 
     211                 :             : inline dump_flags_t
     212                 :     1979829 : operator| (dump_flags_t lhs, dump_flags_t rhs)
     213                 :             : {
     214                 :     1149393 :   return (dump_flags_t)((std::underlying_type<dump_flags_t>::type)lhs
     215                 :     1979829 :                         | (std::underlying_type<dump_flags_t>::type)rhs);
     216                 :             : }
     217                 :             : 
     218                 :             : inline dump_flags_t
     219                 :   485962907 : operator& (dump_flags_t lhs, dump_flags_t rhs)
     220                 :             : {
     221                 :   485962909 :   return (dump_flags_t)((std::underlying_type<dump_flags_t>::type)lhs
     222                 :   429669409 :                         & (std::underlying_type<dump_flags_t>::type)rhs);
     223                 :             : }
     224                 :             : 
     225                 :             : inline dump_flags_t
     226                 :             : operator~ (dump_flags_t flags)
     227                 :             : {
     228                 :             :   return (dump_flags_t)~((std::underlying_type<dump_flags_t>::type)flags);
     229                 :             : }
     230                 :             : 
     231                 :             : inline dump_flags_t &
     232                 :    19791448 : operator|= (dump_flags_t &lhs, dump_flags_t rhs)
     233                 :             : {
     234                 :    19791448 :   lhs = (dump_flags_t)((std::underlying_type<dump_flags_t>::type)lhs
     235                 :    19769567 :                        | (std::underlying_type<dump_flags_t>::type)rhs);
     236                 :    19791448 :   return lhs;
     237                 :             : }
     238                 :             : 
     239                 :             : inline dump_flags_t &
     240                 :         997 : operator&= (dump_flags_t &lhs, dump_flags_t rhs)
     241                 :             : {
     242                 :         997 :   lhs = (dump_flags_t)((std::underlying_type<dump_flags_t>::type)lhs
     243                 :         997 :                        & (std::underlying_type<dump_flags_t>::type)rhs);
     244                 :         997 :   return lhs;
     245                 :             : }
     246                 :             : 
     247                 :             : /* Flags to control high-level -fopt-info dumps.  Usually these flags
     248                 :             :    define a group of passes.  An optimization pass can be part of
     249                 :             :    multiple groups.  */
     250                 :             : 
     251                 :             : enum optgroup_flag
     252                 :             : {
     253                 :             :   OPTGROUP_NONE = 0,
     254                 :             : 
     255                 :             :   /* IPA optimization passes */
     256                 :             :   OPTGROUP_IPA  = (1 << 1),
     257                 :             : 
     258                 :             :   /* Loop optimization passes */
     259                 :             :   OPTGROUP_LOOP = (1 << 2),
     260                 :             : 
     261                 :             :   /* Inlining passes */
     262                 :             :   OPTGROUP_INLINE = (1 << 3),
     263                 :             : 
     264                 :             :   /* OMP (Offloading and Multi Processing) transformations */
     265                 :             :   OPTGROUP_OMP = (1 << 4),
     266                 :             : 
     267                 :             :   /* Vectorization passes */
     268                 :             :   OPTGROUP_VEC = (1 << 5),
     269                 :             : 
     270                 :             :   /* All other passes */
     271                 :             :   OPTGROUP_OTHER = (1 << 6),
     272                 :             : 
     273                 :             :   OPTGROUP_ALL = (OPTGROUP_IPA | OPTGROUP_LOOP | OPTGROUP_INLINE
     274                 :             :                   | OPTGROUP_OMP | OPTGROUP_VEC | OPTGROUP_OTHER)
     275                 :             : };
     276                 :             : 
     277                 :             : typedef enum optgroup_flag optgroup_flags_t;
     278                 :             : 
     279                 :             : inline optgroup_flags_t
     280                 :             : operator| (optgroup_flags_t lhs, optgroup_flags_t rhs)
     281                 :             : {
     282                 :             :   return (optgroup_flags_t)((std::underlying_type<dump_flags_t>::type)lhs
     283                 :             :                             | (std::underlying_type<dump_flags_t>::type)rhs);
     284                 :             : }
     285                 :             : 
     286                 :             : inline optgroup_flags_t &
     287                 :    97038311 : operator|= (optgroup_flags_t &lhs, optgroup_flags_t rhs)
     288                 :             : {
     289                 :    97038311 :   lhs = (optgroup_flags_t)((std::underlying_type<dump_flags_t>::type)lhs
     290                 :    97038311 :                            | (std::underlying_type<dump_flags_t>::type)rhs);
     291                 :    97038311 :   return lhs;
     292                 :             : }
     293                 :             : 
     294                 :             : /* Define a tree dump switch.  */
     295                 :             : struct dump_file_info
     296                 :             : {
     297                 :             :   /* Suffix to give output file.  */
     298                 :             :   const char *suffix;
     299                 :             :   /* Command line dump switch.  */
     300                 :             :   const char *swtch;
     301                 :             :   /* Command line glob.  */
     302                 :             :   const char *glob;
     303                 :             :   /* Filename for the pass-specific stream.  */
     304                 :             :   const char *pfilename;
     305                 :             :   /* Filename for the -fopt-info stream.  */
     306                 :             :   const char *alt_filename;
     307                 :             :   /* Pass-specific dump stream.  */
     308                 :             :   FILE *pstream;
     309                 :             :   /* -fopt-info stream.  */
     310                 :             :   FILE *alt_stream;
     311                 :             :   /* Dump kind.  */
     312                 :             :   dump_kind dkind;
     313                 :             :   /* Dump flags.  */
     314                 :             :   dump_flags_t pflags;
     315                 :             :   /* A pass flags for -fopt-info.  */
     316                 :             :   dump_flags_t alt_flags;
     317                 :             :   /* Flags for -fopt-info given by a user.  */
     318                 :             :   optgroup_flags_t optgroup_flags;
     319                 :             :   /* State of pass-specific stream.  */
     320                 :             :   int pstate;
     321                 :             :   /* State of the -fopt-info stream.  */
     322                 :             :   int alt_state;
     323                 :             :   /* Dump file number.  */
     324                 :             :   int num;
     325                 :             :   /* Fields "suffix", "swtch", "glob" can be const strings,
     326                 :             :      or can be dynamically allocated, needing free.  */
     327                 :             :   bool owns_strings;
     328                 :             :   /* When a given dump file is being initialized, this flag is set to true
     329                 :             :      if the corresponding TDF_graph dump file has also been initialized.  */
     330                 :             :   bool graph_dump_initialized;
     331                 :             : };
     332                 :             : 
     333                 :             : /* A class for describing where in the user's source that a dump message
     334                 :             :    relates to, with various constructors for convenience.
     335                 :             :    In particular, this lets us associate dump messages
     336                 :             :    with hotness information (e.g. from PGO), allowing them to
     337                 :             :    be prioritized by code hotness.  */
     338                 :             : 
     339                 :             : class dump_user_location_t
     340                 :             : {
     341                 :             :  public:
     342                 :             :   /* Default constructor, analogous to UNKNOWN_LOCATION.  */
     343                 :      311773 :   dump_user_location_t () : m_count (), m_loc (UNKNOWN_LOCATION) {}
     344                 :             : 
     345                 :             :   /* Construct from a gimple statement (using its location and hotness).  */
     346                 :             :   dump_user_location_t (const gimple *stmt);
     347                 :             : 
     348                 :             :   /* Construct from an RTL instruction (using its location and hotness).  */
     349                 :             :   dump_user_location_t (const rtx_insn *insn);
     350                 :             : 
     351                 :             :   /* Construct from a location_t.  This one is deprecated (since it doesn't
     352                 :             :      capture hotness information); it thus needs to be spelled out.  */
     353                 :             :   static dump_user_location_t
     354                 :       22847 :   from_location_t (location_t loc)
     355                 :             :   {
     356                 :       22847 :     return dump_user_location_t (profile_count (), loc);
     357                 :             :   }
     358                 :             : 
     359                 :             :   /* Construct from a function declaration.  This one requires spelling out
     360                 :             :      to avoid accidentally constructing from other kinds of tree.  */
     361                 :             :   static dump_user_location_t
     362                 :             :   from_function_decl (tree fndecl);
     363                 :             : 
     364                 :       36189 :   profile_count get_count () const { return m_count; }
     365                 :     6655624 :   location_t get_location_t () const { return m_loc; }
     366                 :             : 
     367                 :             :  private:
     368                 :             :   /* Private ctor from count and location, for use by from_location_t.  */
     369                 :       22847 :   dump_user_location_t (profile_count count, location_t loc)
     370                 :             :     : m_count (count), m_loc (loc)
     371                 :             :   {}
     372                 :             : 
     373                 :             :   profile_count m_count;
     374                 :             :   location_t m_loc;
     375                 :             : };
     376                 :             : 
     377                 :             : /* A class for identifying where in the compiler's own source
     378                 :             :    (or a plugin) that a dump message is being emitted from.  */
     379                 :             : 
     380                 :             : class dump_impl_location_t
     381                 :             : {
     382                 :             : public:
     383                 :     1464500 :   dump_impl_location_t (
     384                 :             : #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)
     385                 :             :                         const char *file = __builtin_FILE (),
     386                 :             :                         int line = __builtin_LINE (),
     387                 :             :                         const char *function = __builtin_FUNCTION ()
     388                 :             : #else
     389                 :             :                         const char *file = __FILE__,
     390                 :             :                         int line = __LINE__,
     391                 :             :                         const char *function = NULL
     392                 :             : #endif
     393                 :             :   )
     394                 :    17056607 :   : m_file (file), m_line (line), m_function (function)
     395                 :       56587 :   {}
     396                 :             : 
     397                 :             :   const char *m_file;
     398                 :             :   int m_line;
     399                 :             :   const char *m_function;
     400                 :             : };
     401                 :             : 
     402                 :             : /* A bundle of metadata for describing a dump message:
     403                 :             :    (a) the dump_flags
     404                 :             :    (b) the source location within the compiler/plugin.
     405                 :             : 
     406                 :             :    The constructors use default parameters so that (b) gets sets up
     407                 :             :    automatically.
     408                 :             : 
     409                 :             :    Hence you can pass in e.g. MSG_NOTE, and the dump call
     410                 :             :    will automatically record where in GCC's source code the
     411                 :             :    dump was emitted from.  */
     412                 :             : 
     413                 :             : class dump_metadata_t
     414                 :             : {
     415                 :             :  public:
     416                 :     8200454 :   dump_metadata_t (dump_flags_t dump_flags,
     417                 :             :                    const dump_impl_location_t &impl_location
     418                 :             :                      = dump_impl_location_t ())
     419                 :     8200454 :   : m_dump_flags (dump_flags),
     420                 :     7707978 :     m_impl_location (impl_location)
     421                 :             :   {
     422                 :       11862 :   }
     423                 :             : 
     424                 :    13752242 :   dump_flags_t get_dump_flags () const { return m_dump_flags; }
     425                 :             : 
     426                 :             :   const dump_impl_location_t &
     427                 :       37185 :   get_impl_location () const { return m_impl_location; }
     428                 :             : 
     429                 :             :  private:
     430                 :             :   dump_flags_t m_dump_flags;
     431                 :             :   dump_impl_location_t m_impl_location;
     432                 :             : };
     433                 :             : 
     434                 :             : /* A bundle of information for describing the location of a dump message:
     435                 :             :    (a) the source location and hotness within the user's code, together with
     436                 :             :    (b) the source location within the compiler/plugin.
     437                 :             : 
     438                 :             :    The constructors use default parameters so that (b) gets sets up
     439                 :             :    automatically.
     440                 :             : 
     441                 :             :    The upshot is that you can pass in e.g. a gimple * to dump_printf_loc,
     442                 :             :    and the dump call will automatically record where in GCC's source
     443                 :             :    code the dump was emitted from.  */
     444                 :             : 
     445                 :             : class dump_location_t
     446                 :             : {
     447                 :             :  public:
     448                 :             :   /* Default constructor, analogous to UNKNOWN_LOCATION.  */
     449                 :          58 :   dump_location_t (const dump_impl_location_t &impl_location
     450                 :             :                      = dump_impl_location_t ())
     451                 :          58 :   : m_user_location (dump_user_location_t ()),
     452                 :          58 :     m_impl_location (impl_location)
     453                 :             :   {
     454                 :             :   }
     455                 :             : 
     456                 :             :   /* Construct from a gimple statement (using its location and hotness).  */
     457                 :     6017791 :   dump_location_t (const gimple *stmt,
     458                 :             :                    const dump_impl_location_t &impl_location
     459                 :             :                      = dump_impl_location_t ())
     460                 :     6017791 :   : m_user_location (dump_user_location_t (stmt)),
     461                 :     6017791 :     m_impl_location (impl_location)
     462                 :             :   {
     463                 :             :   }
     464                 :             : 
     465                 :             :   /* Construct from an RTL instruction (using its location and hotness).  */
     466                 :           4 :   dump_location_t (const rtx_insn *insn,
     467                 :             :                    const dump_impl_location_t &impl_location
     468                 :             :                    = dump_impl_location_t ())
     469                 :           4 :   : m_user_location (dump_user_location_t (insn)),
     470                 :           4 :     m_impl_location (impl_location)
     471                 :             :   {
     472                 :             :   }
     473                 :             : 
     474                 :             :   /* Construct from a dump_user_location_t.  */
     475                 :      669424 :   dump_location_t (const dump_user_location_t &user_location,
     476                 :             :                    const dump_impl_location_t &impl_location
     477                 :             :                      = dump_impl_location_t ())
     478                 :      669424 :   : m_user_location (user_location),
     479                 :      669424 :     m_impl_location (impl_location)
     480                 :             :   {
     481                 :             :   }
     482                 :             : 
     483                 :             :   /* Construct from a location_t.  This one is deprecated (since it doesn't
     484                 :             :      capture hotness information), and thus requires spelling out.  */
     485                 :             :   static dump_location_t
     486                 :           0 :   from_location_t (location_t loc,
     487                 :             :                    const dump_impl_location_t &impl_location
     488                 :             :                      = dump_impl_location_t ())
     489                 :             :   {
     490                 :           0 :     return dump_location_t (dump_user_location_t::from_location_t (loc),
     491                 :           0 :                             impl_location);
     492                 :             :   }
     493                 :             : 
     494                 :             :   const dump_user_location_t &
     495                 :       25798 :   get_user_location () const { return m_user_location; }
     496                 :             : 
     497                 :             :   const dump_impl_location_t &
     498                 :       37265 :   get_impl_location () const { return m_impl_location; }
     499                 :             : 
     500                 :       36637 :   location_t get_location_t () const
     501                 :             :   {
     502                 :       36637 :     return m_user_location.get_location_t ();
     503                 :             :   }
     504                 :             : 
     505                 :       36189 :   profile_count get_count () const { return m_user_location.get_count (); }
     506                 :             : 
     507                 :             :  private:
     508                 :             :   dump_user_location_t m_user_location;
     509                 :             :   dump_impl_location_t m_impl_location;
     510                 :             : };
     511                 :             : 
     512                 :             : /* In dumpfile.cc */
     513                 :             : extern FILE *dump_begin (int, dump_flags_t *, int part=-1);
     514                 :             : extern void dump_end (int, FILE *);
     515                 :             : extern int opt_info_switch_p (const char *);
     516                 :             : extern const char *dump_flag_name (int);
     517                 :             : extern const kv_pair<optgroup_flags_t> optgroup_options[];
     518                 :             : extern dump_flags_t
     519                 :             : parse_dump_option (const char *, const char **);
     520                 :             : 
     521                 :             : /* Global variables used to communicate with passes.  */
     522                 :             : extern FILE *dump_file;
     523                 :             : extern dump_flags_t dump_flags;
     524                 :             : extern const char *dump_file_name;
     525                 :             : 
     526                 :             : extern bool dumps_are_enabled;
     527                 :             : 
     528                 :             : extern void set_dump_file (FILE *new_dump_file);
     529                 :             : 
     530                 :             : /* Return true if any of the dumps is enabled, false otherwise. */
     531                 :             : inline bool
     532                 :   319363035 : dump_enabled_p (void)
     533                 :             : {
     534                 :   284881083 :   return dumps_are_enabled;
     535                 :             : }
     536                 :             : 
     537                 :             : /* The following API calls (which *don't* take a "FILE *")
     538                 :             :    write the output to zero or more locations.
     539                 :             : 
     540                 :             :    Some destinations are written to immediately as dump_* calls
     541                 :             :    are made; for others, the output is consolidated into an "optinfo"
     542                 :             :    instance (with its own metadata), and only emitted once the optinfo
     543                 :             :    is complete.
     544                 :             : 
     545                 :             :    The destinations are:
     546                 :             : 
     547                 :             :    (a) the "immediate" destinations:
     548                 :             :        (a.1) the active dump_file, if any
     549                 :             :        (a.2) the -fopt-info destination, if any
     550                 :             :    (b) the "optinfo" destinations, if any:
     551                 :             :        (b.1) as optimization records
     552                 :             : 
     553                 :             :    dump_* (MSG_*) --> dumpfile.cc --> items --> (a.1) dump_file
     554                 :             :                                        |   `-> (a.2) alt_dump_file
     555                 :             :                                        |
     556                 :             :                                        `--> (b) optinfo
     557                 :             :                                                 `---> optinfo destinations
     558                 :             :                                                       (b.1) optimization records
     559                 :             : 
     560                 :             :    For optinfos, the dump_*_loc mark the beginning of an optinfo
     561                 :             :    instance: all subsequent dump_* calls are consolidated into
     562                 :             :    that optinfo, until the next dump_*_loc call (or a change in
     563                 :             :    dump scope, or a call to dumpfile_ensure_any_optinfo_are_flushed).
     564                 :             : 
     565                 :             :    A group of dump_* calls should be guarded by:
     566                 :             : 
     567                 :             :      if (dump_enabled_p ())
     568                 :             : 
     569                 :             :    to minimize the work done for the common case where dumps
     570                 :             :    are disabled.  */
     571                 :             : 
     572                 :             : extern void dump_printf (const dump_metadata_t &, const char *, ...)
     573                 :             :   ATTRIBUTE_GCC_DUMP_PRINTF (2, 3);
     574                 :             : 
     575                 :             : extern void dump_printf_loc (const dump_metadata_t &, const dump_user_location_t &,
     576                 :             :                              const char *, ...)
     577                 :             :   ATTRIBUTE_GCC_DUMP_PRINTF (3, 4);
     578                 :             : extern void dump_function (int phase, tree fn);
     579                 :             : extern void dump_basic_block (dump_flags_t, basic_block, int);
     580                 :             : extern void dump_generic_expr_loc (const dump_metadata_t &,
     581                 :             :                                    const dump_user_location_t &,
     582                 :             :                                    dump_flags_t, tree);
     583                 :             : extern void dump_generic_expr (const dump_metadata_t &, dump_flags_t, tree);
     584                 :             : extern void dump_gimple_stmt_loc (const dump_metadata_t &,
     585                 :             :                                   const dump_user_location_t &,
     586                 :             :                                   dump_flags_t, gimple *, int);
     587                 :             : extern void dump_gimple_stmt (const dump_metadata_t &, dump_flags_t, gimple *, int);
     588                 :             : extern void dump_gimple_expr_loc (const dump_metadata_t &,
     589                 :             :                                   const dump_user_location_t &,
     590                 :             :                                   dump_flags_t, gimple *, int);
     591                 :             : extern void dump_gimple_expr (const dump_metadata_t &, dump_flags_t, gimple *, int);
     592                 :             : extern void dump_symtab_node (const dump_metadata_t &, symtab_node *);
     593                 :             : 
     594                 :             : template<unsigned int N, typename C>
     595                 :             : void dump_dec (const dump_metadata_t &, const poly_int<N, C> &);
     596                 :             : extern void dump_dec (dump_flags_t, const poly_wide_int &, signop);
     597                 :             : extern void dump_hex (dump_flags_t, const poly_wide_int &);
     598                 :             : 
     599                 :             : extern void dumpfile_ensure_any_optinfo_are_flushed ();
     600                 :             : 
     601                 :             : /* Managing nested scopes, so that dumps can express the call chain
     602                 :             :    leading to a dump message.  */
     603                 :             : 
     604                 :             : extern unsigned int get_dump_scope_depth ();
     605                 :             : extern void dump_begin_scope (const char *name,
     606                 :             :                               const dump_user_location_t &user_location,
     607                 :             :                               const dump_impl_location_t &impl_location);
     608                 :             : extern void dump_end_scope ();
     609                 :             : 
     610                 :             : /* Implementation detail of the AUTO_DUMP_SCOPE macro below.
     611                 :             : 
     612                 :             :    A RAII-style class intended to make it easy to emit dump
     613                 :             :    information about entering and exiting a collection of nested
     614                 :             :    function calls.  */
     615                 :             : 
     616                 :             : class auto_dump_scope
     617                 :             : {
     618                 :             :  public:
     619                 :    17044775 :   auto_dump_scope (const char *name,
     620                 :             :                    const dump_user_location_t &user_location,
     621                 :             :                    const dump_impl_location_t &impl_location
     622                 :             :                    = dump_impl_location_t ())
     623                 :             :   {
     624                 :    17044775 :     if (dump_enabled_p ())
     625                 :      396295 :       dump_begin_scope (name, user_location, impl_location);
     626                 :       44751 :   }
     627                 :    17044775 :   ~auto_dump_scope ()
     628                 :             :   {
     629                 :    17044775 :     if (dump_enabled_p ())
     630                 :      396295 :       dump_end_scope ();
     631                 :       44751 :   }
     632                 :             : };
     633                 :             : 
     634                 :             : /* A macro for calling:
     635                 :             :      dump_begin_scope (NAME, USER_LOC);
     636                 :             :    via an RAII object, thus printing "=== MSG ===\n" to the dumpfile etc,
     637                 :             :    and then calling
     638                 :             :      dump_end_scope ();
     639                 :             :    once the object goes out of scope, thus capturing the nesting of
     640                 :             :    the scopes.
     641                 :             : 
     642                 :             :    These scopes affect dump messages within them: dump messages at the
     643                 :             :    top level implicitly default to MSG_PRIORITY_USER_FACING, whereas those
     644                 :             :    in a nested scope implicitly default to MSG_PRIORITY_INTERNALS.  */
     645                 :             : 
     646                 :             : #define AUTO_DUMP_SCOPE(NAME, USER_LOC) \
     647                 :             :   auto_dump_scope scope (NAME, USER_LOC)
     648                 :             : 
     649                 :             : extern void dump_function (int phase, tree fn);
     650                 :             : extern bool enable_rtl_dump_file (void);
     651                 :             : 
     652                 :             : /* In tree-dump.cc  */
     653                 :             : extern void dump_node (const_tree, dump_flags_t, FILE *);
     654                 :             : 
     655                 :             : /* In cfghooks.cc  */
     656                 :             : extern void dump_bb (FILE *, basic_block, int, dump_flags_t);
     657                 :             : 
     658                 :             : class opt_pass;
     659                 :             : 
     660                 :             : namespace gcc {
     661                 :             : 
     662                 :             : /* A class for managing all of the various dump files used by the
     663                 :             :    optimization passes.  */
     664                 :             : 
     665                 :             : class dump_manager
     666                 :             : {
     667                 :             : public:
     668                 :             : 
     669                 :             :   dump_manager ();
     670                 :             :   ~dump_manager ();
     671                 :             : 
     672                 :             :   /* Register a dumpfile.
     673                 :             : 
     674                 :             :      TAKE_OWNERSHIP determines whether callee takes ownership of strings
     675                 :             :      SUFFIX, SWTCH, and GLOB. */
     676                 :             :   unsigned int
     677                 :             :   dump_register (const char *suffix, const char *swtch, const char *glob,
     678                 :             :                  dump_kind dkind, optgroup_flags_t optgroup_flags,
     679                 :             :                  bool take_ownership);
     680                 :             : 
     681                 :             :   /* Allow languages and middle-end to register their dumps before the
     682                 :             :      optimization passes.  */
     683                 :             :   void
     684                 :             :   register_dumps ();
     685                 :             : 
     686                 :             :   /* Return the dump_file_info for the given phase.  */
     687                 :             :   struct dump_file_info *
     688                 :             :   get_dump_file_info (int phase) const;
     689                 :             : 
     690                 :             :   struct dump_file_info *
     691                 :             :   get_dump_file_info_by_switch (const char *swtch) const;
     692                 :             : 
     693                 :             :   /* Return the name of the dump file for the given phase.
     694                 :             :      If the dump is not enabled, returns NULL.  */
     695                 :             :   char *
     696                 :             :   get_dump_file_name (int phase, int part = -1) const;
     697                 :             : 
     698                 :             :   char *
     699                 :             :   get_dump_file_name (struct dump_file_info *dfi, int part = -1) const;
     700                 :             : 
     701                 :             :   void
     702                 :             :   dump_switch_p (const char *arg);
     703                 :             : 
     704                 :             :   /* Start a dump for PHASE. Store user-supplied dump flags in
     705                 :             :      *FLAG_PTR.  Return the number of streams opened.  Set globals
     706                 :             :      DUMP_FILE, and ALT_DUMP_FILE to point to the opened streams, and
     707                 :             :      set dump_flags appropriately for both pass dump stream and
     708                 :             :      -fopt-info stream. */
     709                 :             :   int
     710                 :             :   dump_start (int phase, dump_flags_t *flag_ptr);
     711                 :             : 
     712                 :             :   /* Finish a tree dump for PHASE and close associated dump streams.  Also
     713                 :             :      reset the globals DUMP_FILE, ALT_DUMP_FILE, and DUMP_FLAGS.  */
     714                 :             :   void
     715                 :             :   dump_finish (int phase);
     716                 :             : 
     717                 :             :   FILE *
     718                 :             :   dump_begin (int phase, dump_flags_t *flag_ptr, int part);
     719                 :             : 
     720                 :             :   /* Returns nonzero if tree dump PHASE has been initialized.  */
     721                 :             :   int
     722                 :             :   dump_initialized_p (int phase) const;
     723                 :             : 
     724                 :             :   /* Returns the switch name of PHASE.  */
     725                 :             :   const char *
     726                 :             :   dump_flag_name (int phase) const;
     727                 :             : 
     728                 :             :   void register_pass (opt_pass *pass);
     729                 :             : 
     730                 :             : private:
     731                 :             : 
     732                 :             :   int
     733                 :             :   dump_phase_enabled_p (int phase) const;
     734                 :             : 
     735                 :             :   int
     736                 :             :   dump_switch_p_1 (const char *arg, struct dump_file_info *dfi, bool doglob);
     737                 :             : 
     738                 :             :   int
     739                 :             :   dump_enable_all (dump_kind dkind, dump_flags_t flags, const char *filename);
     740                 :             : 
     741                 :             :   int
     742                 :             :   opt_info_enable_passes (optgroup_flags_t optgroup_flags, dump_flags_t flags,
     743                 :             :                           const char *filename);
     744                 :             : 
     745                 :             :   bool update_dfi_for_opt_info (dump_file_info *dfi) const;
     746                 :             : 
     747                 :             : private:
     748                 :             : 
     749                 :             :   /* Dynamically registered dump files and switches.  */
     750                 :             :   int m_next_dump;
     751                 :             :   struct dump_file_info *m_extra_dump_files;
     752                 :             :   size_t m_extra_dump_files_in_use;
     753                 :             :   size_t m_extra_dump_files_alloced;
     754                 :             : 
     755                 :             :   /* Stored values from -fopt-info, for handling passes created after
     756                 :             :      option-parsing (by backends and by plugins).  */
     757                 :             :   optgroup_flags_t m_optgroup_flags;
     758                 :             :   dump_flags_t m_optinfo_flags;
     759                 :             :   char *m_optinfo_filename;
     760                 :             : 
     761                 :             :   /* Grant access to dump_enable_all.  */
     762                 :             :   friend bool ::enable_rtl_dump_file (void);
     763                 :             : 
     764                 :             :   /* Grant access to opt_info_enable_passes.  */
     765                 :             :   friend int ::opt_info_switch_p (const char *arg);
     766                 :             : 
     767                 :             : }; // class dump_manager
     768                 :             : 
     769                 :             : } // namespace gcc
     770                 :             : 
     771                 :             : #endif /* GCC_DUMPFILE_H */
        

Generated by: LCOV version 2.1-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.