LCOV - code coverage report
Current view: top level - gcc - tree-pass.h (source / functions) Hit Total Coverage
Test: gcc.info Lines: 9 10 90.0 %
Date: 2020-05-30 12:51:24 Functions: 0 2 0.0 %
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           Branch data     Line data    Source code
       1                 :            : /* Definitions for describing one tree-ssa optimization pass.
       2                 :            :    Copyright (C) 2004-2020 Free Software Foundation, Inc.
       3                 :            :    Contributed by Richard Henderson <rth@redhat.com>
       4                 :            : 
       5                 :            : This file is part of GCC.
       6                 :            : 
       7                 :            : GCC is free software; you can redistribute it and/or modify
       8                 :            : it under the terms of the GNU General Public License as published by
       9                 :            : the Free Software Foundation; either version 3, or (at your option)
      10                 :            : any later version.
      11                 :            : 
      12                 :            : GCC is distributed in the hope that it will be useful,
      13                 :            : but WITHOUT ANY WARRANTY; without even the implied warranty of
      14                 :            : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      15                 :            : GNU General Public License for more details.
      16                 :            : 
      17                 :            : You should have received a copy of the GNU General Public License
      18                 :            : along with GCC; see the file COPYING3.  If not see
      19                 :            : <http://www.gnu.org/licenses/>.  */
      20                 :            : 
      21                 :            : 
      22                 :            : #ifndef GCC_TREE_PASS_H
      23                 :            : #define GCC_TREE_PASS_H 1
      24                 :            : 
      25                 :            : #include "timevar.h"
      26                 :            : #include "dumpfile.h"
      27                 :            : 
      28                 :            : struct function;
      29                 :            : 
      30                 :            : /* Optimization pass type.  */
      31                 :            : enum opt_pass_type
      32                 :            : {
      33                 :            :   GIMPLE_PASS,
      34                 :            :   RTL_PASS,
      35                 :            :   SIMPLE_IPA_PASS,
      36                 :            :   IPA_PASS
      37                 :            : };
      38                 :            : 
      39                 :            : /* Metadata for a pass, non-varying across all instances of a pass.  */
      40                 :            : struct pass_data
      41                 :            : {
      42                 :            :   /* Optimization pass type.  */
      43                 :            :   enum opt_pass_type type;
      44                 :            : 
      45                 :            :   /* Terse name of the pass used as a fragment of the dump file
      46                 :            :      name.  If the name starts with a star, no dump happens. */
      47                 :            :   const char *name;
      48                 :            : 
      49                 :            :   /* The -fopt-info optimization group flags as defined in dumpfile.h. */
      50                 :            :   optgroup_flags_t optinfo_flags;
      51                 :            : 
      52                 :            :   /* The timevar id associated with this pass.  */
      53                 :            :   /* ??? Ideally would be dynamically assigned.  */
      54                 :            :   timevar_id_t tv_id;
      55                 :            : 
      56                 :            :   /* Sets of properties input and output from this pass.  */
      57                 :            :   unsigned int properties_required;
      58                 :            :   unsigned int properties_provided;
      59                 :            :   unsigned int properties_destroyed;
      60                 :            : 
      61                 :            :   /* Flags indicating common sets things to do before and after.  */
      62                 :            :   unsigned int todo_flags_start;
      63                 :            :   unsigned int todo_flags_finish;
      64                 :            : };
      65                 :            : 
      66                 :            : namespace gcc
      67                 :            : {
      68                 :            :   class context;
      69                 :            : } // namespace gcc
      70                 :            : 
      71                 :            : /* An instance of a pass.  This is also "pass_data" to minimize the
      72                 :            :    changes in existing code.  */
      73                 :            : class opt_pass : public pass_data
      74                 :            : {
      75                 :            : public:
      76                 :          0 :   virtual ~opt_pass () { }
      77                 :            : 
      78                 :            :   /* Create a copy of this pass.
      79                 :            : 
      80                 :            :      Passes that can have multiple instances must provide their own
      81                 :            :      implementation of this, to ensure that any sharing of state between
      82                 :            :      this instance and the copy is "wired up" correctly.
      83                 :            : 
      84                 :            :      The default implementation prints an error message and aborts.  */
      85                 :            :   virtual opt_pass *clone ();
      86                 :            :   virtual void set_pass_param (unsigned int, bool);
      87                 :            : 
      88                 :            :   /* This pass and all sub-passes are executed only if the function returns
      89                 :            :      true.  The default implementation returns true.  */
      90                 :            :   virtual bool gate (function *fun);
      91                 :            : 
      92                 :            :   /* This is the code to run.  If this is not overridden, then there should
      93                 :            :      be sub-passes otherwise this pass does nothing.
      94                 :            :      The return value contains TODOs to execute in addition to those in
      95                 :            :      TODO_flags_finish.   */
      96                 :            :   virtual unsigned int execute (function *fun);
      97                 :            : 
      98                 :            : protected:
      99                 :            :   opt_pass (const pass_data&, gcc::context *);
     100                 :            : 
     101                 :            : public:
     102                 :            :   /* A list of sub-passes to run, dependent on gate predicate.  */
     103                 :            :   opt_pass *sub;
     104                 :            : 
     105                 :            :   /* Next in the list of passes to run, independent of gate predicate.  */
     106                 :            :   opt_pass *next;
     107                 :            : 
     108                 :            :   /* Static pass number, used as a fragment of the dump file name.  */
     109                 :            :   int static_pass_number;
     110                 :            : 
     111                 :            : protected:
     112                 :            :   gcc::context *m_ctxt;
     113                 :            : };
     114                 :            : 
     115                 :            : /* Description of GIMPLE pass.  */
     116                 :            : class gimple_opt_pass : public opt_pass
     117                 :            : {
     118                 :            : protected:
     119                 :   43913940 :   gimple_opt_pass (const pass_data& data, gcc::context *ctxt)
     120                 :   43913940 :     : opt_pass (data, ctxt)
     121                 :            :   {
     122                 :            :   }
     123                 :            : };
     124                 :            : 
     125                 :            : /* Description of RTL pass.  */
     126                 :            : class rtl_opt_pass : public opt_pass
     127                 :            : {
     128                 :            : protected:
     129                 :   18733922 :   rtl_opt_pass (const pass_data& data, gcc::context *ctxt)
     130                 :   18733922 :     : opt_pass (data, ctxt)
     131                 :            :   {
     132                 :            :   }
     133                 :            : };
     134                 :            : 
     135                 :            : struct varpool_node;
     136                 :            : struct cgraph_node;
     137                 :            : struct lto_symtab_encoder_d;
     138                 :            : 
     139                 :            : /* Description of IPA pass with generate summary, write, execute, read and
     140                 :            :    transform stages.  */
     141                 :            : class ipa_opt_pass_d : public opt_pass
     142                 :            : {
     143                 :            : public:
     144                 :            :   /* IPA passes can analyze function body and variable initializers
     145                 :            :       using this hook and produce summary.  */
     146                 :            :   void (*generate_summary) (void);
     147                 :            : 
     148                 :            :   /* This hook is used to serialize IPA summaries on disk.  */
     149                 :            :   void (*write_summary) (void);
     150                 :            : 
     151                 :            :   /* This hook is used to deserialize IPA summaries from disk.  */
     152                 :            :   void (*read_summary) (void);
     153                 :            : 
     154                 :            :   /* This hook is used to serialize IPA optimization summaries on disk.  */
     155                 :            :   void (*write_optimization_summary) (void);
     156                 :            : 
     157                 :            :   /* This hook is used to deserialize IPA summaries from disk.  */
     158                 :            :   void (*read_optimization_summary) (void);
     159                 :            : 
     160                 :            :   /* Hook to convert gimple stmt uids into true gimple statements.  The second
     161                 :            :      parameter is an array of statements indexed by their uid. */
     162                 :            :   void (*stmt_fixup) (struct cgraph_node *, gimple **);
     163                 :            : 
     164                 :            :   /* Results of interprocedural propagation of an IPA pass is applied to
     165                 :            :      function body via this hook.  */
     166                 :            :   unsigned int function_transform_todo_flags_start;
     167                 :            :   unsigned int (*function_transform) (struct cgraph_node *);
     168                 :            :   void (*variable_transform) (varpool_node *);
     169                 :            : 
     170                 :            : protected:
     171                 :    3021600 :   ipa_opt_pass_d (const pass_data& data, gcc::context *ctxt,
     172                 :            :                   void (*generate_summary) (void),
     173                 :            :                   void (*write_summary) (void),
     174                 :            :                   void (*read_summary) (void),
     175                 :            :                   void (*write_optimization_summary) (void),
     176                 :            :                   void (*read_optimization_summary) (void),
     177                 :            :                   void (*stmt_fixup) (struct cgraph_node *, gimple **),
     178                 :            :                   unsigned int function_transform_todo_flags_start,
     179                 :            :                   unsigned int (*function_transform) (struct cgraph_node *),
     180                 :            :                   void (*variable_transform) (varpool_node *))
     181                 :    3021600 :     : opt_pass (data, ctxt),
     182                 :            :       generate_summary (generate_summary),
     183                 :            :       write_summary (write_summary),
     184                 :            :       read_summary (read_summary),
     185                 :            :       write_optimization_summary (write_optimization_summary),
     186                 :            :       read_optimization_summary (read_optimization_summary),
     187                 :            :       stmt_fixup (stmt_fixup),
     188                 :            :       function_transform_todo_flags_start (function_transform_todo_flags_start),
     189                 :            :       function_transform (function_transform),
     190                 :    3021600 :       variable_transform (variable_transform)
     191                 :            :   {
     192                 :            :   }
     193                 :            : };
     194                 :            : 
     195                 :            : /* Description of simple IPA pass.  Simple IPA passes have just one execute
     196                 :            :    hook.  */
     197                 :            : class simple_ipa_opt_pass : public opt_pass
     198                 :            : {
     199                 :            : protected:
     200                 :    3827360 :   simple_ipa_opt_pass (const pass_data& data, gcc::context *ctxt)
     201                 :    3827360 :     : opt_pass (data, ctxt)
     202                 :            :   {
     203                 :            :   }
     204                 :            : };
     205                 :            : 
     206                 :            : /* Pass properties.  */
     207                 :            : #define PROP_gimple_any         (1 << 0)  /* entire gimple grammar */
     208                 :            : #define PROP_gimple_lcf         (1 << 1)  /* lowered control flow */
     209                 :            : #define PROP_gimple_leh         (1 << 2)  /* lowered eh */
     210                 :            : #define PROP_cfg                (1 << 3)
     211                 :            : #define PROP_ssa                (1 << 5)
     212                 :            : #define PROP_no_crit_edges      (1 << 6)
     213                 :            : #define PROP_rtl                (1 << 7)
     214                 :            : #define PROP_gimple_lomp        (1 << 8)  /* lowered OpenMP directives */
     215                 :            : #define PROP_cfglayout          (1 << 9)  /* cfglayout mode on RTL */
     216                 :            : #define PROP_gimple_lcx         (1 << 10)       /* lowered complex */
     217                 :            : #define PROP_loops              (1 << 11) /* preserve loop structures */
     218                 :            : #define PROP_gimple_lvec        (1 << 12)       /* lowered vector */
     219                 :            : #define PROP_gimple_eomp        (1 << 13)       /* no OpenMP directives */
     220                 :            : #define PROP_gimple_lva         (1 << 14)       /* No va_arg internal function.  */
     221                 :            : #define PROP_gimple_opt_math    (1 << 15) /* Disable canonicalization
     222                 :            :                                                    of math functions; the
     223                 :            :                                                    current choices have
     224                 :            :                                                    been optimized.  */
     225                 :            : #define PROP_gimple_lomp_dev    (1 << 16) /* done omp_device_lower */
     226                 :            : #define PROP_rtl_split_insns    (1 << 17) /* RTL has insns split.  */
     227                 :            : 
     228                 :            : #define PROP_trees \
     229                 :            :   (PROP_gimple_any | PROP_gimple_lcf | PROP_gimple_leh | PROP_gimple_lomp)
     230                 :            : 
     231                 :            : /* To-do flags.  */
     232                 :            : #define TODO_do_not_ggc_collect         (1 << 1)
     233                 :            : #define TODO_cleanup_cfg                (1 << 5)
     234                 :            : #define TODO_verify_il                  (1 << 6)
     235                 :            : #define TODO_dump_symtab                (1 << 7)
     236                 :            : #define TODO_remove_functions           (1 << 8)
     237                 :            : #define TODO_rebuild_frequencies        (1 << 9)
     238                 :            : 
     239                 :            : /* To-do flags for calls to update_ssa.  */
     240                 :            : 
     241                 :            : /* Update the SSA form inserting PHI nodes for newly exposed symbols
     242                 :            :    and virtual names marked for updating.  When updating real names,
     243                 :            :    only insert PHI nodes for a real name O_j in blocks reached by all
     244                 :            :    the new and old definitions for O_j.  If the iterated dominance
     245                 :            :    frontier for O_j is not pruned, we may end up inserting PHI nodes
     246                 :            :    in blocks that have one or more edges with no incoming definition
     247                 :            :    for O_j.  This would lead to uninitialized warnings for O_j's
     248                 :            :    symbol.  */
     249                 :            : #define TODO_update_ssa                 (1 << 11)
     250                 :            : 
     251                 :            : /* Update the SSA form without inserting any new PHI nodes at all.
     252                 :            :    This is used by passes that have either inserted all the PHI nodes
     253                 :            :    themselves or passes that need only to patch use-def and def-def
     254                 :            :    chains for virtuals (e.g., DCE).  */
     255                 :            : #define TODO_update_ssa_no_phi          (1 << 12)
     256                 :            : 
     257                 :            : /* Insert PHI nodes everywhere they are needed.  No pruning of the
     258                 :            :    IDF is done.  This is used by passes that need the PHI nodes for
     259                 :            :    O_j even if it means that some arguments will come from the default
     260                 :            :    definition of O_j's symbol.
     261                 :            : 
     262                 :            :    WARNING: If you need to use this flag, chances are that your pass
     263                 :            :    may be doing something wrong.  Inserting PHI nodes for an old name
     264                 :            :    where not all edges carry a new replacement may lead to silent
     265                 :            :    codegen errors or spurious uninitialized warnings.  */
     266                 :            : #define TODO_update_ssa_full_phi        (1 << 13)
     267                 :            : 
     268                 :            : /* Passes that update the SSA form on their own may want to delegate
     269                 :            :    the updating of virtual names to the generic updater.  Since FUD
     270                 :            :    chains are easier to maintain, this simplifies the work they need
     271                 :            :    to do.  NOTE: If this flag is used, any OLD->NEW mappings for real
     272                 :            :    names are explicitly destroyed and only the symbols marked for
     273                 :            :    renaming are processed.  */
     274                 :            : #define TODO_update_ssa_only_virtuals   (1 << 14)
     275                 :            : 
     276                 :            : /* Some passes leave unused local variables that can be removed from
     277                 :            :    cfun->local_decls.  This reduces the size of dump files
     278                 :            :    and the memory footprint for VAR_DECLs.  */
     279                 :            : #define TODO_remove_unused_locals       (1 << 15)
     280                 :            : 
     281                 :            : /* Call df_finish at the end of the pass.  This is done after all of
     282                 :            :    the dumpers have been allowed to run so that they have access to
     283                 :            :    the instance before it is destroyed.  */
     284                 :            : #define TODO_df_finish                  (1 << 17)
     285                 :            : 
     286                 :            : /* Call df_verify at the end of the pass if checking is enabled.  */
     287                 :            : #define TODO_df_verify                  (1 << 18)
     288                 :            : 
     289                 :            : /* Internally used for the first instance of a pass.  */
     290                 :            : #define TODO_mark_first_instance        (1 << 19)
     291                 :            : 
     292                 :            : /* Rebuild aliasing info.  */
     293                 :            : #define TODO_rebuild_alias              (1 << 20)
     294                 :            : 
     295                 :            : /* Rebuild the addressable-vars bitmap and do register promotion.  */
     296                 :            : #define TODO_update_address_taken       (1 << 21)
     297                 :            : 
     298                 :            : /* Rebuild the callgraph edges.  */
     299                 :            : #define TODO_rebuild_cgraph_edges       (1 << 22)
     300                 :            : 
     301                 :            : /* Release function body and stop pass manager.  */
     302                 :            : #define TODO_discard_function           (1 << 23)
     303                 :            : 
     304                 :            : /* Internally used in execute_function_todo().  */
     305                 :            : #define TODO_update_ssa_any             \
     306                 :            :     (TODO_update_ssa                    \
     307                 :            :      | TODO_update_ssa_no_phi           \
     308                 :            :      | TODO_update_ssa_full_phi         \
     309                 :            :      | TODO_update_ssa_only_virtuals)
     310                 :            : 
     311                 :            : #define TODO_verify_all TODO_verify_il
     312                 :            : 
     313                 :            : 
     314                 :            : /* Register pass info. */
     315                 :            : 
     316                 :            : enum pass_positioning_ops
     317                 :            : {
     318                 :            :   PASS_POS_INSERT_AFTER,  /* Insert after the reference pass.  */
     319                 :            :   PASS_POS_INSERT_BEFORE, /* Insert before the reference pass.  */
     320                 :            :   PASS_POS_REPLACE        /* Replace the reference pass.  */
     321                 :            : };
     322                 :            : 
     323                 :            : struct register_pass_info
     324                 :            : {
     325                 :            :   opt_pass *pass;                   /* New pass to register.  */
     326                 :            :   const char *reference_pass_name;  /* Name of the reference pass for hooking
     327                 :            :                                        up the new pass.  */
     328                 :            :   int ref_pass_instance_number;     /* Insert the pass at the specified
     329                 :            :                                        instance number of the reference pass.
     330                 :            :                                        Do it for every instance if it is 0.  */
     331                 :            :   enum pass_positioning_ops pos_op; /* how to insert the new pass.  */
     332                 :            : };
     333                 :            : 
     334                 :            : /* Registers a new pass.  Either fill out the register_pass_info or specify
     335                 :            :    the individual parameters.  The pass object is expected to have been
     336                 :            :    allocated using operator new and the pass manager takes the ownership of
     337                 :            :    the pass object.  */
     338                 :            : extern void register_pass (register_pass_info *);
     339                 :            : extern void register_pass (opt_pass* pass, pass_positioning_ops pos,
     340                 :            :                            const char* ref_pass_name, int ref_pass_inst_number);
     341                 :            : 
     342                 :            : extern gimple_opt_pass *make_pass_asan (gcc::context *ctxt);
     343                 :            : extern gimple_opt_pass *make_pass_asan_O0 (gcc::context *ctxt);
     344                 :            : extern gimple_opt_pass *make_pass_tsan (gcc::context *ctxt);
     345                 :            : extern gimple_opt_pass *make_pass_tsan_O0 (gcc::context *ctxt);
     346                 :            : extern gimple_opt_pass *make_pass_sancov (gcc::context *ctxt);
     347                 :            : extern gimple_opt_pass *make_pass_sancov_O0 (gcc::context *ctxt);
     348                 :            : extern gimple_opt_pass *make_pass_lower_cf (gcc::context *ctxt);
     349                 :            : extern gimple_opt_pass *make_pass_refactor_eh (gcc::context *ctxt);
     350                 :            : extern gimple_opt_pass *make_pass_lower_eh (gcc::context *ctxt);
     351                 :            : extern gimple_opt_pass *make_pass_lower_eh_dispatch (gcc::context *ctxt);
     352                 :            : extern gimple_opt_pass *make_pass_lower_resx (gcc::context *ctxt);
     353                 :            : extern gimple_opt_pass *make_pass_build_cfg (gcc::context *ctxt);
     354                 :            : extern gimple_opt_pass *make_pass_early_tree_profile (gcc::context *ctxt);
     355                 :            : extern gimple_opt_pass *make_pass_cleanup_eh (gcc::context *ctxt);
     356                 :            : extern gimple_opt_pass *make_pass_sra (gcc::context *ctxt);
     357                 :            : extern gimple_opt_pass *make_pass_sra_early (gcc::context *ctxt);
     358                 :            : extern gimple_opt_pass *make_pass_tail_recursion (gcc::context *ctxt);
     359                 :            : extern gimple_opt_pass *make_pass_tail_calls (gcc::context *ctxt);
     360                 :            : extern gimple_opt_pass *make_pass_fix_loops (gcc::context *ctxt);
     361                 :            : extern gimple_opt_pass *make_pass_tree_loop (gcc::context *ctxt);
     362                 :            : extern gimple_opt_pass *make_pass_tree_no_loop (gcc::context *ctxt);
     363                 :            : extern gimple_opt_pass *make_pass_tree_loop_init (gcc::context *ctxt);
     364                 :            : extern gimple_opt_pass *make_pass_loop_versioning (gcc::context *ctxt);
     365                 :            : extern gimple_opt_pass *make_pass_lim (gcc::context *ctxt);
     366                 :            : extern gimple_opt_pass *make_pass_linterchange (gcc::context *ctxt);
     367                 :            : extern gimple_opt_pass *make_pass_tree_unswitch (gcc::context *ctxt);
     368                 :            : extern gimple_opt_pass *make_pass_loop_split (gcc::context *ctxt);
     369                 :            : extern gimple_opt_pass *make_pass_loop_jam (gcc::context *ctxt);
     370                 :            : extern gimple_opt_pass *make_pass_predcom (gcc::context *ctxt);
     371                 :            : extern gimple_opt_pass *make_pass_iv_canon (gcc::context *ctxt);
     372                 :            : extern gimple_opt_pass *make_pass_scev_cprop (gcc::context *ctxt);
     373                 :            : extern gimple_opt_pass *make_pass_empty_loop (gcc::context *ctxt);
     374                 :            : extern gimple_opt_pass *make_pass_graphite (gcc::context *ctxt);
     375                 :            : extern gimple_opt_pass *make_pass_graphite_transforms (gcc::context *ctxt);
     376                 :            : extern gimple_opt_pass *make_pass_if_conversion (gcc::context *ctxt);
     377                 :            : extern gimple_opt_pass *make_pass_loop_distribution (gcc::context *ctxt);
     378                 :            : extern gimple_opt_pass *make_pass_vectorize (gcc::context *ctxt);
     379                 :            : extern gimple_opt_pass *make_pass_simduid_cleanup (gcc::context *ctxt);
     380                 :            : extern gimple_opt_pass *make_pass_slp_vectorize (gcc::context *ctxt);
     381                 :            : extern gimple_opt_pass *make_pass_complete_unroll (gcc::context *ctxt);
     382                 :            : extern gimple_opt_pass *make_pass_complete_unrolli (gcc::context *ctxt);
     383                 :            : extern gimple_opt_pass *make_pass_parallelize_loops (gcc::context *ctxt);
     384                 :            : extern gimple_opt_pass *make_pass_loop_prefetch (gcc::context *ctxt);
     385                 :            : extern gimple_opt_pass *make_pass_iv_optimize (gcc::context *ctxt);
     386                 :            : extern gimple_opt_pass *make_pass_tree_loop_done (gcc::context *ctxt);
     387                 :            : extern gimple_opt_pass *make_pass_ch (gcc::context *ctxt);
     388                 :            : extern gimple_opt_pass *make_pass_ch_vect (gcc::context *ctxt);
     389                 :            : extern gimple_opt_pass *make_pass_ccp (gcc::context *ctxt);
     390                 :            : extern gimple_opt_pass *make_pass_split_paths (gcc::context *ctxt);
     391                 :            : extern gimple_opt_pass *make_pass_build_ssa (gcc::context *ctxt);
     392                 :            : extern gimple_opt_pass *make_pass_build_alias (gcc::context *ctxt);
     393                 :            : extern gimple_opt_pass *make_pass_build_ealias (gcc::context *ctxt);
     394                 :            : extern gimple_opt_pass *make_pass_dominator (gcc::context *ctxt);
     395                 :            : extern gimple_opt_pass *make_pass_dce (gcc::context *ctxt);
     396                 :            : extern gimple_opt_pass *make_pass_cd_dce (gcc::context *ctxt);
     397                 :            : extern gimple_opt_pass *make_pass_call_cdce (gcc::context *ctxt);
     398                 :            : extern gimple_opt_pass *make_pass_merge_phi (gcc::context *ctxt);
     399                 :            : extern gimple_opt_pass *make_pass_thread_jumps (gcc::context *ctxt);
     400                 :            : extern gimple_opt_pass *make_pass_early_thread_jumps (gcc::context *ctxt);
     401                 :            : extern gimple_opt_pass *make_pass_split_crit_edges (gcc::context *ctxt);
     402                 :            : extern gimple_opt_pass *make_pass_laddress (gcc::context *ctxt);
     403                 :            : extern gimple_opt_pass *make_pass_pre (gcc::context *ctxt);
     404                 :            : extern unsigned int tail_merge_optimize (unsigned int);
     405                 :            : extern gimple_opt_pass *make_pass_profile (gcc::context *ctxt);
     406                 :            : extern gimple_opt_pass *make_pass_strip_predict_hints (gcc::context *ctxt);
     407                 :            : extern gimple_opt_pass *make_pass_lower_complex_O0 (gcc::context *ctxt);
     408                 :            : extern gimple_opt_pass *make_pass_lower_complex (gcc::context *ctxt);
     409                 :            : extern gimple_opt_pass *make_pass_lower_switch (gcc::context *ctxt);
     410                 :            : extern gimple_opt_pass *make_pass_lower_switch_O0 (gcc::context *ctxt);
     411                 :            : extern gimple_opt_pass *make_pass_lower_vector (gcc::context *ctxt);
     412                 :            : extern gimple_opt_pass *make_pass_lower_vector_ssa (gcc::context *ctxt);
     413                 :            : extern gimple_opt_pass *make_pass_lower_omp (gcc::context *ctxt);
     414                 :            : extern gimple_opt_pass *make_pass_diagnose_omp_blocks (gcc::context *ctxt);
     415                 :            : extern gimple_opt_pass *make_pass_expand_omp (gcc::context *ctxt);
     416                 :            : extern gimple_opt_pass *make_pass_expand_omp_ssa (gcc::context *ctxt);
     417                 :            : extern gimple_opt_pass *make_pass_omp_target_link (gcc::context *ctxt);
     418                 :            : extern gimple_opt_pass *make_pass_oacc_device_lower (gcc::context *ctxt);
     419                 :            : extern gimple_opt_pass *make_pass_omp_device_lower (gcc::context *ctxt);
     420                 :            : extern gimple_opt_pass *make_pass_object_sizes (gcc::context *ctxt);
     421                 :            : extern gimple_opt_pass *make_pass_warn_printf (gcc::context *ctxt);
     422                 :            : extern gimple_opt_pass *make_pass_strlen (gcc::context *ctxt);
     423                 :            : extern gimple_opt_pass *make_pass_fold_builtins (gcc::context *ctxt);
     424                 :            : extern gimple_opt_pass *make_pass_post_ipa_warn (gcc::context *ctxt);
     425                 :            : extern gimple_opt_pass *make_pass_stdarg (gcc::context *ctxt);
     426                 :            : extern gimple_opt_pass *make_pass_early_warn_uninitialized (gcc::context *ctxt);
     427                 :            : extern gimple_opt_pass *make_pass_late_warn_uninitialized (gcc::context *ctxt);
     428                 :            : extern gimple_opt_pass *make_pass_cse_reciprocals (gcc::context *ctxt);
     429                 :            : extern gimple_opt_pass *make_pass_cse_sincos (gcc::context *ctxt);
     430                 :            : extern gimple_opt_pass *make_pass_optimize_bswap (gcc::context *ctxt);
     431                 :            : extern gimple_opt_pass *make_pass_store_merging (gcc::context *ctxt);
     432                 :            : extern gimple_opt_pass *make_pass_optimize_widening_mul (gcc::context *ctxt);
     433                 :            : extern gimple_opt_pass *make_pass_warn_function_return (gcc::context *ctxt);
     434                 :            : extern gimple_opt_pass *make_pass_warn_function_noreturn (gcc::context *ctxt);
     435                 :            : extern gimple_opt_pass *make_pass_cselim (gcc::context *ctxt);
     436                 :            : extern gimple_opt_pass *make_pass_phiopt (gcc::context *ctxt);
     437                 :            : extern gimple_opt_pass *make_pass_forwprop (gcc::context *ctxt);
     438                 :            : extern gimple_opt_pass *make_pass_phiprop (gcc::context *ctxt);
     439                 :            : extern gimple_opt_pass *make_pass_tree_ifcombine (gcc::context *ctxt);
     440                 :            : extern gimple_opt_pass *make_pass_dse (gcc::context *ctxt);
     441                 :            : extern gimple_opt_pass *make_pass_nrv (gcc::context *ctxt);
     442                 :            : extern gimple_opt_pass *make_pass_rename_ssa_copies (gcc::context *ctxt);
     443                 :            : extern gimple_opt_pass *make_pass_sink_code (gcc::context *ctxt);
     444                 :            : extern gimple_opt_pass *make_pass_fre (gcc::context *ctxt);
     445                 :            : extern gimple_opt_pass *make_pass_check_data_deps (gcc::context *ctxt);
     446                 :            : extern gimple_opt_pass *make_pass_copy_prop (gcc::context *ctxt);
     447                 :            : extern gimple_opt_pass *make_pass_isolate_erroneous_paths (gcc::context *ctxt);
     448                 :            : extern gimple_opt_pass *make_pass_early_vrp (gcc::context *ctxt);
     449                 :            : extern gimple_opt_pass *make_pass_vrp (gcc::context *ctxt);
     450                 :            : extern gimple_opt_pass *make_pass_uncprop (gcc::context *ctxt);
     451                 :            : extern gimple_opt_pass *make_pass_return_slot (gcc::context *ctxt);
     452                 :            : extern gimple_opt_pass *make_pass_reassoc (gcc::context *ctxt);
     453                 :            : extern gimple_opt_pass *make_pass_rebuild_cgraph_edges (gcc::context *ctxt);
     454                 :            : extern gimple_opt_pass *make_pass_remove_cgraph_callee_edges (gcc::context
     455                 :            :                                                               *ctxt);
     456                 :            : extern gimple_opt_pass *make_pass_build_cgraph_edges (gcc::context *ctxt);
     457                 :            : extern gimple_opt_pass *make_pass_local_pure_const (gcc::context *ctxt);
     458                 :            : extern gimple_opt_pass *make_pass_nothrow (gcc::context *ctxt);
     459                 :            : extern gimple_opt_pass *make_pass_tracer (gcc::context *ctxt);
     460                 :            : extern gimple_opt_pass *make_pass_warn_restrict (gcc::context *ctxt);
     461                 :            : extern gimple_opt_pass *make_pass_warn_unused_result (gcc::context *ctxt);
     462                 :            : extern gimple_opt_pass *make_pass_diagnose_tm_blocks (gcc::context *ctxt);
     463                 :            : extern gimple_opt_pass *make_pass_lower_tm (gcc::context *ctxt);
     464                 :            : extern gimple_opt_pass *make_pass_tm_init (gcc::context *ctxt);
     465                 :            : extern gimple_opt_pass *make_pass_tm_mark (gcc::context *ctxt);
     466                 :            : extern gimple_opt_pass *make_pass_tm_memopt (gcc::context *ctxt);
     467                 :            : extern gimple_opt_pass *make_pass_tm_edges (gcc::context *ctxt);
     468                 :            : extern gimple_opt_pass *make_pass_split_functions (gcc::context *ctxt);
     469                 :            : extern gimple_opt_pass *make_pass_feedback_split_functions (gcc::context *ctxt);
     470                 :            : extern gimple_opt_pass *make_pass_strength_reduction (gcc::context *ctxt);
     471                 :            : extern gimple_opt_pass *make_pass_vtable_verify (gcc::context *ctxt);
     472                 :            : extern gimple_opt_pass *make_pass_ubsan (gcc::context *ctxt);
     473                 :            : extern gimple_opt_pass *make_pass_sanopt (gcc::context *ctxt);
     474                 :            : extern gimple_opt_pass *make_pass_oacc_kernels (gcc::context *ctxt);
     475                 :            : extern simple_ipa_opt_pass *make_pass_ipa_oacc (gcc::context *ctxt);
     476                 :            : extern simple_ipa_opt_pass *make_pass_ipa_oacc_kernels (gcc::context *ctxt);
     477                 :            : extern gimple_opt_pass *make_pass_gen_hsail (gcc::context *ctxt);
     478                 :            : extern gimple_opt_pass *make_pass_warn_nonnull_compare (gcc::context *ctxt);
     479                 :            : extern gimple_opt_pass *make_pass_sprintf_length (gcc::context *ctxt);
     480                 :            : extern gimple_opt_pass *make_pass_walloca (gcc::context *ctxt);
     481                 :            : extern gimple_opt_pass *make_pass_coroutine_lower_builtins (gcc::context *ctxt);
     482                 :            : extern gimple_opt_pass *make_pass_coroutine_early_expand_ifns (gcc::context *ctxt);
     483                 :            : extern gimple_opt_pass *make_pass_adjust_alignment (gcc::context *ctxt);
     484                 :            : 
     485                 :            : /* IPA Passes */
     486                 :            : extern simple_ipa_opt_pass *make_pass_ipa_lower_emutls (gcc::context *ctxt);
     487                 :            : extern simple_ipa_opt_pass
     488                 :            :                                                               *make_pass_ipa_function_and_variable_visibility (gcc::context *ctxt);
     489                 :            : extern simple_ipa_opt_pass *make_pass_ipa_tree_profile (gcc::context *ctxt);
     490                 :            : extern simple_ipa_opt_pass *make_pass_ipa_auto_profile (gcc::context *ctxt);
     491                 :            : 
     492                 :            : extern simple_ipa_opt_pass *make_pass_build_ssa_passes (gcc::context *ctxt);
     493                 :            : extern simple_ipa_opt_pass *make_pass_local_optimization_passes (gcc::context *ctxt);
     494                 :            : extern simple_ipa_opt_pass *make_pass_ipa_remove_symbols (gcc::context *ctxt);
     495                 :            : 
     496                 :            : extern ipa_opt_pass_d *make_pass_analyzer (gcc::context *ctxt);
     497                 :            : extern ipa_opt_pass_d *make_pass_ipa_whole_program_visibility (gcc::context
     498                 :            :                                                                *ctxt);
     499                 :            : extern simple_ipa_opt_pass *make_pass_ipa_increase_alignment (gcc::context
     500                 :            :                                                               *ctxt);
     501                 :            : extern ipa_opt_pass_d *make_pass_ipa_fn_summary (gcc::context *ctxt);
     502                 :            : extern ipa_opt_pass_d *make_pass_ipa_inline (gcc::context *ctxt);
     503                 :            : extern simple_ipa_opt_pass *make_pass_ipa_free_lang_data (gcc::context *ctxt);
     504                 :            : extern simple_ipa_opt_pass *make_pass_ipa_free_fn_summary (gcc::context *ctxt);
     505                 :            : extern ipa_opt_pass_d *make_pass_ipa_cp (gcc::context *ctxt);
     506                 :            : extern ipa_opt_pass_d *make_pass_ipa_sra (gcc::context *ctxt);
     507                 :            : extern ipa_opt_pass_d *make_pass_ipa_icf (gcc::context *ctxt);
     508                 :            : extern ipa_opt_pass_d *make_pass_ipa_devirt (gcc::context *ctxt);
     509                 :            : extern ipa_opt_pass_d *make_pass_ipa_reference (gcc::context *ctxt);
     510                 :            : extern ipa_opt_pass_d *make_pass_ipa_hsa (gcc::context *ctxt);
     511                 :            : extern ipa_opt_pass_d *make_pass_ipa_pure_const (gcc::context *ctxt);
     512                 :            : extern simple_ipa_opt_pass *make_pass_ipa_pta (gcc::context *ctxt);
     513                 :            : extern simple_ipa_opt_pass *make_pass_ipa_tm (gcc::context *ctxt);
     514                 :            : extern simple_ipa_opt_pass *make_pass_target_clone (gcc::context *ctxt);
     515                 :            : extern simple_ipa_opt_pass *make_pass_dispatcher_calls (gcc::context *ctxt);
     516                 :            : extern simple_ipa_opt_pass *make_pass_omp_simd_clone (gcc::context *ctxt);
     517                 :            : extern ipa_opt_pass_d *make_pass_ipa_profile (gcc::context *ctxt);
     518                 :            : extern ipa_opt_pass_d *make_pass_ipa_cdtor_merge (gcc::context *ctxt);
     519                 :            : extern ipa_opt_pass_d *make_pass_ipa_single_use (gcc::context *ctxt);
     520                 :            : extern ipa_opt_pass_d *make_pass_ipa_comdats (gcc::context *ctxt);
     521                 :            : extern simple_ipa_opt_pass *make_pass_materialize_all_clones (gcc::context *
     522                 :            :                                                               ctxt);
     523                 :            : 
     524                 :            : extern gimple_opt_pass *make_pass_cleanup_cfg_post_optimizing (gcc::context
     525                 :            :                                                                *ctxt);
     526                 :            : extern gimple_opt_pass *make_pass_fixup_cfg (gcc::context *ctxt);
     527                 :            : extern gimple_opt_pass *make_pass_backprop (gcc::context *ctxt);
     528                 :            : 
     529                 :            : extern rtl_opt_pass *make_pass_expand (gcc::context *ctxt);
     530                 :            : extern rtl_opt_pass *make_pass_instantiate_virtual_regs (gcc::context *ctxt);
     531                 :            : extern rtl_opt_pass *make_pass_rtl_fwprop (gcc::context *ctxt);
     532                 :            : extern rtl_opt_pass *make_pass_rtl_fwprop_addr (gcc::context *ctxt);
     533                 :            : extern rtl_opt_pass *make_pass_jump (gcc::context *ctxt);
     534                 :            : extern rtl_opt_pass *make_pass_jump2 (gcc::context *ctxt);
     535                 :            : extern rtl_opt_pass *make_pass_lower_subreg (gcc::context *ctxt);
     536                 :            : extern rtl_opt_pass *make_pass_cse (gcc::context *ctxt);
     537                 :            : extern rtl_opt_pass *make_pass_fast_rtl_dce (gcc::context *ctxt);
     538                 :            : extern rtl_opt_pass *make_pass_ud_rtl_dce (gcc::context *ctxt);
     539                 :            : extern rtl_opt_pass *make_pass_rtl_dce (gcc::context *ctxt);
     540                 :            : extern rtl_opt_pass *make_pass_rtl_dse1 (gcc::context *ctxt);
     541                 :            : extern rtl_opt_pass *make_pass_rtl_dse2 (gcc::context *ctxt);
     542                 :            : extern rtl_opt_pass *make_pass_rtl_dse3 (gcc::context *ctxt);
     543                 :            : extern rtl_opt_pass *make_pass_rtl_cprop (gcc::context *ctxt);
     544                 :            : extern rtl_opt_pass *make_pass_rtl_pre (gcc::context *ctxt);
     545                 :            : extern rtl_opt_pass *make_pass_rtl_hoist (gcc::context *ctxt);
     546                 :            : extern rtl_opt_pass *make_pass_rtl_store_motion (gcc::context *ctxt);
     547                 :            : extern rtl_opt_pass *make_pass_cse_after_global_opts (gcc::context *ctxt);
     548                 :            : extern rtl_opt_pass *make_pass_rtl_ifcvt (gcc::context *ctxt);
     549                 :            : 
     550                 :            : extern rtl_opt_pass *make_pass_into_cfg_layout_mode (gcc::context *ctxt);
     551                 :            : extern rtl_opt_pass *make_pass_outof_cfg_layout_mode (gcc::context *ctxt);
     552                 :            : 
     553                 :            : extern rtl_opt_pass *make_pass_loop2 (gcc::context *ctxt);
     554                 :            : extern rtl_opt_pass *make_pass_rtl_loop_init (gcc::context *ctxt);
     555                 :            : extern rtl_opt_pass *make_pass_rtl_move_loop_invariants (gcc::context *ctxt);
     556                 :            : extern rtl_opt_pass *make_pass_rtl_unroll_loops (gcc::context *ctxt);
     557                 :            : extern rtl_opt_pass *make_pass_rtl_doloop (gcc::context *ctxt);
     558                 :            : extern rtl_opt_pass *make_pass_rtl_loop_done (gcc::context *ctxt);
     559                 :            : 
     560                 :            : extern rtl_opt_pass *make_pass_lower_subreg2 (gcc::context *ctxt);
     561                 :            : extern rtl_opt_pass *make_pass_web (gcc::context *ctxt);
     562                 :            : extern rtl_opt_pass *make_pass_cse2 (gcc::context *ctxt);
     563                 :            : extern rtl_opt_pass *make_pass_df_initialize_opt (gcc::context *ctxt);
     564                 :            : extern rtl_opt_pass *make_pass_df_initialize_no_opt (gcc::context *ctxt);
     565                 :            : extern rtl_opt_pass *make_pass_reginfo_init (gcc::context *ctxt);
     566                 :            : extern rtl_opt_pass *make_pass_inc_dec (gcc::context *ctxt);
     567                 :            : extern rtl_opt_pass *make_pass_stack_ptr_mod (gcc::context *ctxt);
     568                 :            : extern rtl_opt_pass *make_pass_initialize_regs (gcc::context *ctxt);
     569                 :            : extern rtl_opt_pass *make_pass_combine (gcc::context *ctxt);
     570                 :            : extern rtl_opt_pass *make_pass_if_after_combine (gcc::context *ctxt);
     571                 :            : extern rtl_opt_pass *make_pass_jump_after_combine (gcc::context *ctxt);
     572                 :            : extern rtl_opt_pass *make_pass_ree (gcc::context *ctxt);
     573                 :            : extern rtl_opt_pass *make_pass_partition_blocks (gcc::context *ctxt);
     574                 :            : extern rtl_opt_pass *make_pass_match_asm_constraints (gcc::context *ctxt);
     575                 :            : extern rtl_opt_pass *make_pass_split_all_insns (gcc::context *ctxt);
     576                 :            : extern rtl_opt_pass *make_pass_fast_rtl_byte_dce (gcc::context *ctxt);
     577                 :            : extern rtl_opt_pass *make_pass_lower_subreg3 (gcc::context *ctxt);
     578                 :            : extern rtl_opt_pass *make_pass_mode_switching (gcc::context *ctxt);
     579                 :            : extern rtl_opt_pass *make_pass_sms (gcc::context *ctxt);
     580                 :            : extern rtl_opt_pass *make_pass_sched (gcc::context *ctxt);
     581                 :            : extern rtl_opt_pass *make_pass_live_range_shrinkage (gcc::context *ctxt);
     582                 :            : extern rtl_opt_pass *make_pass_early_remat (gcc::context *ctxt);
     583                 :            : extern rtl_opt_pass *make_pass_ira (gcc::context *ctxt);
     584                 :            : extern rtl_opt_pass *make_pass_reload (gcc::context *ctxt);
     585                 :            : extern rtl_opt_pass *make_pass_clean_state (gcc::context *ctxt);
     586                 :            : extern rtl_opt_pass *make_pass_branch_prob (gcc::context *ctxt);
     587                 :            : extern rtl_opt_pass *make_pass_value_profile_transformations (gcc::context
     588                 :            :                                                               *ctxt);
     589                 :            : extern rtl_opt_pass *make_pass_postreload_cse (gcc::context *ctxt);
     590                 :            : extern rtl_opt_pass *make_pass_gcse2 (gcc::context *ctxt);
     591                 :            : extern rtl_opt_pass *make_pass_split_after_reload (gcc::context *ctxt);
     592                 :            : extern rtl_opt_pass *make_pass_thread_prologue_and_epilogue (gcc::context
     593                 :            :                                                              *ctxt);
     594                 :            : extern rtl_opt_pass *make_pass_stack_adjustments (gcc::context *ctxt);
     595                 :            : extern rtl_opt_pass *make_pass_sched_fusion (gcc::context *ctxt);
     596                 :            : extern rtl_opt_pass *make_pass_peephole2 (gcc::context *ctxt);
     597                 :            : extern rtl_opt_pass *make_pass_if_after_reload (gcc::context *ctxt);
     598                 :            : extern rtl_opt_pass *make_pass_regrename (gcc::context *ctxt);
     599                 :            : extern rtl_opt_pass *make_pass_cprop_hardreg (gcc::context *ctxt);
     600                 :            : extern rtl_opt_pass *make_pass_reorder_blocks (gcc::context *ctxt);
     601                 :            : extern rtl_opt_pass *make_pass_leaf_regs (gcc::context *ctxt);
     602                 :            : extern rtl_opt_pass *make_pass_split_before_sched2 (gcc::context *ctxt);
     603                 :            : extern rtl_opt_pass *make_pass_compare_elim_after_reload (gcc::context *ctxt);
     604                 :            : extern rtl_opt_pass *make_pass_sched2 (gcc::context *ctxt);
     605                 :            : extern rtl_opt_pass *make_pass_stack_regs (gcc::context *ctxt);
     606                 :            : extern rtl_opt_pass *make_pass_stack_regs_run (gcc::context *ctxt);
     607                 :            : extern rtl_opt_pass *make_pass_df_finish (gcc::context *ctxt);
     608                 :            : extern rtl_opt_pass *make_pass_compute_alignments (gcc::context *ctxt);
     609                 :            : extern rtl_opt_pass *make_pass_duplicate_computed_gotos (gcc::context *ctxt);
     610                 :            : extern rtl_opt_pass *make_pass_variable_tracking (gcc::context *ctxt);
     611                 :            : extern rtl_opt_pass *make_pass_free_cfg (gcc::context *ctxt);
     612                 :            : extern rtl_opt_pass *make_pass_machine_reorg (gcc::context *ctxt);
     613                 :            : extern rtl_opt_pass *make_pass_cleanup_barriers (gcc::context *ctxt);
     614                 :            : extern rtl_opt_pass *make_pass_delay_slots (gcc::context *ctxt);
     615                 :            : extern rtl_opt_pass *make_pass_split_for_shorten_branches (gcc::context *ctxt);
     616                 :            : extern rtl_opt_pass *make_pass_split_before_regstack (gcc::context *ctxt);
     617                 :            : extern rtl_opt_pass *make_pass_convert_to_eh_region_ranges (gcc::context *ctxt);
     618                 :            : extern rtl_opt_pass *make_pass_shorten_branches (gcc::context *ctxt);
     619                 :            : extern rtl_opt_pass *make_pass_set_nothrow_function_flags (gcc::context *ctxt);
     620                 :            : extern rtl_opt_pass *make_pass_dwarf2_frame (gcc::context *ctxt);
     621                 :            : extern rtl_opt_pass *make_pass_final (gcc::context *ctxt);
     622                 :            : extern rtl_opt_pass *make_pass_rtl_seqabstr (gcc::context *ctxt);
     623                 :            : extern gimple_opt_pass *make_pass_release_ssa_names (gcc::context *ctxt);
     624                 :            : extern gimple_opt_pass *make_pass_early_inline (gcc::context *ctxt);
     625                 :            : extern gimple_opt_pass *make_pass_local_fn_summary (gcc::context *ctxt);
     626                 :            : extern gimple_opt_pass *make_pass_update_address_taken (gcc::context *ctxt);
     627                 :            : extern gimple_opt_pass *make_pass_convert_switch (gcc::context *ctxt);
     628                 :            : extern gimple_opt_pass *make_pass_lower_vaarg (gcc::context *ctxt);
     629                 :            : 
     630                 :            : /* Current optimization pass.  */
     631                 :            : extern opt_pass *current_pass;
     632                 :            : 
     633                 :            : extern bool execute_one_pass (opt_pass *);
     634                 :            : extern void execute_pass_list (function *, opt_pass *);
     635                 :            : extern void execute_ipa_pass_list (opt_pass *);
     636                 :            : extern void execute_ipa_summary_passes (ipa_opt_pass_d *);
     637                 :            : extern void execute_all_ipa_transforms (bool);
     638                 :            : extern void execute_all_ipa_stmt_fixups (struct cgraph_node *, gimple **);
     639                 :            : extern bool pass_init_dump_file (opt_pass *);
     640                 :            : extern void pass_fini_dump_file (opt_pass *);
     641                 :            : extern void emergency_dump_function (void);
     642                 :            : 
     643                 :            : extern void print_current_pass (FILE *);
     644                 :            : extern void debug_pass (void);
     645                 :            : extern void ipa_write_summaries (void);
     646                 :            : extern void ipa_write_optimization_summaries (struct lto_symtab_encoder_d *);
     647                 :            : extern void ipa_read_summaries (void);
     648                 :            : extern void ipa_read_optimization_summaries (void);
     649                 :            : extern void register_one_dump_file (opt_pass *);
     650                 :            : extern bool function_called_by_processed_nodes_p (void);
     651                 :            : 
     652                 :            : /* Declare for plugins.  */
     653                 :            : extern void do_per_function_toporder (void (*) (function *, void *), void *);
     654                 :            : 
     655                 :            : extern void disable_pass (const char *);
     656                 :            : extern void enable_pass (const char *);
     657                 :            : extern void dump_passes (void);
     658                 :            : 
     659                 :            : #endif /* GCC_TREE_PASS_H */

Generated by: LCOV version 1.0

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 --enable-host-shared. GCC test suite is run with the built compiler.