1 /* Definitions for describing one tree-ssa optimization pass.
2 Copyright (C) 2004-2021 Free Software Foundation, Inc.
3 Contributed by Richard Henderson <rth@redhat.com>
5 This file is part of GCC.
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)
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.
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/>. */
22 #ifndef GCC_TREE_PASS_H
23 #define GCC_TREE_PASS_H 1
30 /* Optimization pass type. */
39 /* Metadata for a pass, non-varying across all instances of a pass. */
42 /* Optimization pass type. */
43 enum opt_pass_type type
;
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. */
49 /* The -fopt-info optimization group flags as defined in dumpfile.h. */
50 optgroup_flags_t optinfo_flags
;
52 /* The timevar id associated with this pass. */
53 /* ??? Ideally would be dynamically assigned. */
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
;
61 /* Flags indicating common sets things to do before and after. */
62 unsigned int todo_flags_start
;
63 unsigned int todo_flags_finish
;
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
76 virtual ~opt_pass () { }
78 /* Create a copy of this pass.
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.
84 The default implementation prints an error message and aborts. */
85 virtual opt_pass
*clone ();
86 virtual void set_pass_param (unsigned int, bool);
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
);
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
96 virtual unsigned int execute (function
*fun
);
99 opt_pass (const pass_data
&, gcc::context
*);
102 /* A list of sub-passes to run, dependent on gate predicate. */
105 /* Next in the list of passes to run, independent of gate predicate. */
108 /* Static pass number, used as a fragment of the dump file name. */
109 int static_pass_number
;
112 gcc::context
*m_ctxt
;
115 /* Description of GIMPLE pass. */
116 class gimple_opt_pass
: public opt_pass
119 gimple_opt_pass (const pass_data
& data
, gcc::context
*ctxt
)
120 : opt_pass (data
, ctxt
)
125 /* Description of RTL pass. */
126 class rtl_opt_pass
: public opt_pass
129 rtl_opt_pass (const pass_data
& data
, gcc::context
*ctxt
)
130 : opt_pass (data
, ctxt
)
137 struct lto_symtab_encoder_d
;
139 /* Description of IPA pass with generate summary, write, execute, read and
141 class ipa_opt_pass_d
: public opt_pass
144 /* IPA passes can analyze function body and variable initializers
145 using this hook and produce summary. */
146 void (*generate_summary
) (void);
148 /* This hook is used to serialize IPA summaries on disk. */
149 void (*write_summary
) (void);
151 /* This hook is used to deserialize IPA summaries from disk. */
152 void (*read_summary
) (void);
154 /* This hook is used to serialize IPA optimization summaries on disk. */
155 void (*write_optimization_summary
) (void);
157 /* This hook is used to deserialize IPA summaries from disk. */
158 void (*read_optimization_summary
) (void);
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
**);
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
*);
171 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 : 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 variable_transform (variable_transform
)
195 /* Description of simple IPA pass. Simple IPA passes have just one execute
197 class simple_ipa_opt_pass
: public opt_pass
200 simple_ipa_opt_pass (const pass_data
& data
, gcc::context
*ctxt
)
201 : opt_pass (data
, ctxt
)
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_objsz (1 << 4) /* object sizes computed */
212 #define PROP_ssa (1 << 5)
213 #define PROP_no_crit_edges (1 << 6)
214 #define PROP_rtl (1 << 7)
215 #define PROP_gimple_lomp (1 << 8) /* lowered OpenMP directives */
216 #define PROP_cfglayout (1 << 9) /* cfglayout mode on RTL */
217 #define PROP_gimple_lcx (1 << 10) /* lowered complex */
218 #define PROP_loops (1 << 11) /* preserve loop structures */
219 #define PROP_gimple_lvec (1 << 12) /* lowered vector */
220 #define PROP_gimple_eomp (1 << 13) /* no OpenMP directives */
221 #define PROP_gimple_lva (1 << 14) /* No va_arg internal function. */
222 #define PROP_gimple_opt_math (1 << 15) /* Disable canonicalization
223 of math functions; the
226 #define PROP_gimple_lomp_dev (1 << 16) /* done omp_device_lower */
227 #define PROP_rtl_split_insns (1 << 17) /* RTL has insns split. */
228 #define PROP_loop_opts_done (1 << 18) /* SSA loop optimizations
231 #define PROP_gimple \
232 (PROP_gimple_any | PROP_gimple_lcf | PROP_gimple_leh | PROP_gimple_lomp)
235 #define TODO_do_not_ggc_collect (1 << 1)
236 #define TODO_cleanup_cfg (1 << 5)
237 #define TODO_verify_il (1 << 6)
238 #define TODO_dump_symtab (1 << 7)
239 #define TODO_remove_functions (1 << 8)
240 #define TODO_rebuild_frequencies (1 << 9)
242 /* To-do flags for calls to update_ssa. */
244 /* Update the SSA form inserting PHI nodes for newly exposed symbols
245 and virtual names marked for updating. When updating real names,
246 only insert PHI nodes for a real name O_j in blocks reached by all
247 the new and old definitions for O_j. If the iterated dominance
248 frontier for O_j is not pruned, we may end up inserting PHI nodes
249 in blocks that have one or more edges with no incoming definition
250 for O_j. This would lead to uninitialized warnings for O_j's
252 #define TODO_update_ssa (1 << 11)
254 /* Update the SSA form without inserting any new PHI nodes at all.
255 This is used by passes that have either inserted all the PHI nodes
256 themselves or passes that need only to patch use-def and def-def
257 chains for virtuals (e.g., DCE). */
258 #define TODO_update_ssa_no_phi (1 << 12)
260 /* Insert PHI nodes everywhere they are needed. No pruning of the
261 IDF is done. This is used by passes that need the PHI nodes for
262 O_j even if it means that some arguments will come from the default
263 definition of O_j's symbol.
265 WARNING: If you need to use this flag, chances are that your pass
266 may be doing something wrong. Inserting PHI nodes for an old name
267 where not all edges carry a new replacement may lead to silent
268 codegen errors or spurious uninitialized warnings. */
269 #define TODO_update_ssa_full_phi (1 << 13)
271 /* Passes that update the SSA form on their own may want to delegate
272 the updating of virtual names to the generic updater. Since FUD
273 chains are easier to maintain, this simplifies the work they need
274 to do. NOTE: If this flag is used, any OLD->NEW mappings for real
275 names are explicitly destroyed and only the symbols marked for
276 renaming are processed. */
277 #define TODO_update_ssa_only_virtuals (1 << 14)
279 /* Some passes leave unused local variables that can be removed from
280 cfun->local_decls. This reduces the size of dump files
281 and the memory footprint for VAR_DECLs. */
282 #define TODO_remove_unused_locals (1 << 15)
284 /* Call df_finish at the end of the pass. This is done after all of
285 the dumpers have been allowed to run so that they have access to
286 the instance before it is destroyed. */
287 #define TODO_df_finish (1 << 17)
289 /* Call df_verify at the end of the pass if checking is enabled. */
290 #define TODO_df_verify (1 << 18)
292 /* Internally used for the first instance of a pass. */
293 #define TODO_mark_first_instance (1 << 19)
295 /* Rebuild aliasing info. */
296 #define TODO_rebuild_alias (1 << 20)
298 /* Rebuild the addressable-vars bitmap and do register promotion. */
299 #define TODO_update_address_taken (1 << 21)
301 /* Rebuild the callgraph edges. */
302 #define TODO_rebuild_cgraph_edges (1 << 22)
304 /* Release function body and stop pass manager. */
305 #define TODO_discard_function (1 << 23)
307 /* Internally used in execute_function_todo(). */
308 #define TODO_update_ssa_any \
310 | TODO_update_ssa_no_phi \
311 | TODO_update_ssa_full_phi \
312 | TODO_update_ssa_only_virtuals)
314 #define TODO_verify_all TODO_verify_il
316 /* To-do flags for pending_TODOs. */
318 /* Tell the next scalar cleanup pass that there is
319 work for it to do. */
320 #define PENDING_TODO_force_next_scalar_cleanup (1 << 1)
322 /* Register pass info. */
324 enum pass_positioning_ops
326 PASS_POS_INSERT_AFTER
, /* Insert after the reference pass. */
327 PASS_POS_INSERT_BEFORE
, /* Insert before the reference pass. */
328 PASS_POS_REPLACE
/* Replace the reference pass. */
331 struct register_pass_info
333 opt_pass
*pass
; /* New pass to register. */
334 const char *reference_pass_name
; /* Name of the reference pass for hooking
336 int ref_pass_instance_number
; /* Insert the pass at the specified
337 instance number of the reference pass.
338 Do it for every instance if it is 0. */
339 enum pass_positioning_ops pos_op
; /* how to insert the new pass. */
342 /* Registers a new pass. Either fill out the register_pass_info or specify
343 the individual parameters. The pass object is expected to have been
344 allocated using operator new and the pass manager takes the ownership of
346 extern void register_pass (register_pass_info
*);
347 extern void register_pass (opt_pass
* pass
, pass_positioning_ops pos
,
348 const char* ref_pass_name
, int ref_pass_inst_number
);
350 extern gimple_opt_pass
*make_pass_asan (gcc::context
*ctxt
);
351 extern gimple_opt_pass
*make_pass_asan_O0 (gcc::context
*ctxt
);
352 extern gimple_opt_pass
*make_pass_tsan (gcc::context
*ctxt
);
353 extern gimple_opt_pass
*make_pass_tsan_O0 (gcc::context
*ctxt
);
354 extern gimple_opt_pass
*make_pass_sancov (gcc::context
*ctxt
);
355 extern gimple_opt_pass
*make_pass_sancov_O0 (gcc::context
*ctxt
);
356 extern gimple_opt_pass
*make_pass_lower_cf (gcc::context
*ctxt
);
357 extern gimple_opt_pass
*make_pass_refactor_eh (gcc::context
*ctxt
);
358 extern gimple_opt_pass
*make_pass_lower_eh (gcc::context
*ctxt
);
359 extern gimple_opt_pass
*make_pass_lower_eh_dispatch (gcc::context
*ctxt
);
360 extern gimple_opt_pass
*make_pass_lower_resx (gcc::context
*ctxt
);
361 extern gimple_opt_pass
*make_pass_build_cfg (gcc::context
*ctxt
);
362 extern gimple_opt_pass
*make_pass_early_tree_profile (gcc::context
*ctxt
);
363 extern gimple_opt_pass
*make_pass_cleanup_eh (gcc::context
*ctxt
);
364 extern gimple_opt_pass
*make_pass_sra (gcc::context
*ctxt
);
365 extern gimple_opt_pass
*make_pass_sra_early (gcc::context
*ctxt
);
366 extern gimple_opt_pass
*make_pass_tail_recursion (gcc::context
*ctxt
);
367 extern gimple_opt_pass
*make_pass_tail_calls (gcc::context
*ctxt
);
368 extern gimple_opt_pass
*make_pass_fix_loops (gcc::context
*ctxt
);
369 extern gimple_opt_pass
*make_pass_tree_loop (gcc::context
*ctxt
);
370 extern gimple_opt_pass
*make_pass_tree_no_loop (gcc::context
*ctxt
);
371 extern gimple_opt_pass
*make_pass_tree_loop_init (gcc::context
*ctxt
);
372 extern gimple_opt_pass
*make_pass_loop_versioning (gcc::context
*ctxt
);
373 extern gimple_opt_pass
*make_pass_lim (gcc::context
*ctxt
);
374 extern gimple_opt_pass
*make_pass_linterchange (gcc::context
*ctxt
);
375 extern gimple_opt_pass
*make_pass_tree_unswitch (gcc::context
*ctxt
);
376 extern gimple_opt_pass
*make_pass_loop_split (gcc::context
*ctxt
);
377 extern gimple_opt_pass
*make_pass_loop_jam (gcc::context
*ctxt
);
378 extern gimple_opt_pass
*make_pass_predcom (gcc::context
*ctxt
);
379 extern gimple_opt_pass
*make_pass_iv_canon (gcc::context
*ctxt
);
380 extern gimple_opt_pass
*make_pass_scev_cprop (gcc::context
*ctxt
);
381 extern gimple_opt_pass
*make_pass_empty_loop (gcc::context
*ctxt
);
382 extern gimple_opt_pass
*make_pass_graphite (gcc::context
*ctxt
);
383 extern gimple_opt_pass
*make_pass_graphite_transforms (gcc::context
*ctxt
);
384 extern gimple_opt_pass
*make_pass_if_conversion (gcc::context
*ctxt
);
385 extern gimple_opt_pass
*make_pass_if_to_switch (gcc::context
*ctxt
);
386 extern gimple_opt_pass
*make_pass_loop_distribution (gcc::context
*ctxt
);
387 extern gimple_opt_pass
*make_pass_vectorize (gcc::context
*ctxt
);
388 extern gimple_opt_pass
*make_pass_simduid_cleanup (gcc::context
*ctxt
);
389 extern gimple_opt_pass
*make_pass_slp_vectorize (gcc::context
*ctxt
);
390 extern gimple_opt_pass
*make_pass_complete_unroll (gcc::context
*ctxt
);
391 extern gimple_opt_pass
*make_pass_complete_unrolli (gcc::context
*ctxt
);
392 extern gimple_opt_pass
*make_pass_pre_slp_scalar_cleanup (gcc::context
*ctxt
);
393 extern gimple_opt_pass
*make_pass_parallelize_loops (gcc::context
*ctxt
);
394 extern gimple_opt_pass
*make_pass_loop_prefetch (gcc::context
*ctxt
);
395 extern gimple_opt_pass
*make_pass_iv_optimize (gcc::context
*ctxt
);
396 extern gimple_opt_pass
*make_pass_tree_loop_done (gcc::context
*ctxt
);
397 extern gimple_opt_pass
*make_pass_ch (gcc::context
*ctxt
);
398 extern gimple_opt_pass
*make_pass_ch_vect (gcc::context
*ctxt
);
399 extern gimple_opt_pass
*make_pass_ccp (gcc::context
*ctxt
);
400 extern gimple_opt_pass
*make_pass_split_paths (gcc::context
*ctxt
);
401 extern gimple_opt_pass
*make_pass_build_ssa (gcc::context
*ctxt
);
402 extern gimple_opt_pass
*make_pass_build_alias (gcc::context
*ctxt
);
403 extern gimple_opt_pass
*make_pass_build_ealias (gcc::context
*ctxt
);
404 extern gimple_opt_pass
*make_pass_dominator (gcc::context
*ctxt
);
405 extern gimple_opt_pass
*make_pass_dce (gcc::context
*ctxt
);
406 extern gimple_opt_pass
*make_pass_cd_dce (gcc::context
*ctxt
);
407 extern gimple_opt_pass
*make_pass_call_cdce (gcc::context
*ctxt
);
408 extern gimple_opt_pass
*make_pass_merge_phi (gcc::context
*ctxt
);
409 extern gimple_opt_pass
*make_pass_thread_jumps (gcc::context
*ctxt
);
410 extern gimple_opt_pass
*make_pass_thread_jumps_full (gcc::context
*ctxt
);
411 extern gimple_opt_pass
*make_pass_early_thread_jumps (gcc::context
*ctxt
);
412 extern gimple_opt_pass
*make_pass_split_crit_edges (gcc::context
*ctxt
);
413 extern gimple_opt_pass
*make_pass_laddress (gcc::context
*ctxt
);
414 extern gimple_opt_pass
*make_pass_pre (gcc::context
*ctxt
);
415 extern unsigned int tail_merge_optimize (unsigned int);
416 extern gimple_opt_pass
*make_pass_profile (gcc::context
*ctxt
);
417 extern gimple_opt_pass
*make_pass_strip_predict_hints (gcc::context
*ctxt
);
418 extern gimple_opt_pass
*make_pass_lower_complex_O0 (gcc::context
*ctxt
);
419 extern gimple_opt_pass
*make_pass_lower_complex (gcc::context
*ctxt
);
420 extern gimple_opt_pass
*make_pass_lower_switch (gcc::context
*ctxt
);
421 extern gimple_opt_pass
*make_pass_lower_switch_O0 (gcc::context
*ctxt
);
422 extern gimple_opt_pass
*make_pass_lower_vector (gcc::context
*ctxt
);
423 extern gimple_opt_pass
*make_pass_lower_vector_ssa (gcc::context
*ctxt
);
424 extern gimple_opt_pass
*make_pass_omp_oacc_kernels_decompose (gcc::context
*ctxt
);
425 extern gimple_opt_pass
*make_pass_lower_omp (gcc::context
*ctxt
);
426 extern gimple_opt_pass
*make_pass_diagnose_omp_blocks (gcc::context
*ctxt
);
427 extern gimple_opt_pass
*make_pass_expand_omp (gcc::context
*ctxt
);
428 extern gimple_opt_pass
*make_pass_expand_omp_ssa (gcc::context
*ctxt
);
429 extern gimple_opt_pass
*make_pass_omp_target_link (gcc::context
*ctxt
);
430 extern gimple_opt_pass
*make_pass_oacc_loop_designation (gcc::context
*ctxt
);
431 extern gimple_opt_pass
*make_pass_omp_oacc_neuter_broadcast (gcc::context
*ctxt
);
432 extern gimple_opt_pass
*make_pass_oacc_device_lower (gcc::context
*ctxt
);
433 extern gimple_opt_pass
*make_pass_omp_device_lower (gcc::context
*ctxt
);
434 extern gimple_opt_pass
*make_pass_object_sizes (gcc::context
*ctxt
);
435 extern gimple_opt_pass
*make_pass_early_object_sizes (gcc::context
*ctxt
);
436 extern gimple_opt_pass
*make_pass_warn_access (gcc::context
*ctxt
);
437 extern gimple_opt_pass
*make_pass_warn_printf (gcc::context
*ctxt
);
438 extern gimple_opt_pass
*make_pass_strlen (gcc::context
*ctxt
);
439 extern gimple_opt_pass
*make_pass_fold_builtins (gcc::context
*ctxt
);
440 extern gimple_opt_pass
*make_pass_post_ipa_warn (gcc::context
*ctxt
);
441 extern gimple_opt_pass
*make_pass_stdarg (gcc::context
*ctxt
);
442 extern gimple_opt_pass
*make_pass_early_warn_uninitialized (gcc::context
*ctxt
);
443 extern gimple_opt_pass
*make_pass_late_warn_uninitialized (gcc::context
*ctxt
);
444 extern gimple_opt_pass
*make_pass_cse_reciprocals (gcc::context
*ctxt
);
445 extern gimple_opt_pass
*make_pass_cse_sincos (gcc::context
*ctxt
);
446 extern gimple_opt_pass
*make_pass_optimize_bswap (gcc::context
*ctxt
);
447 extern gimple_opt_pass
*make_pass_store_merging (gcc::context
*ctxt
);
448 extern gimple_opt_pass
*make_pass_optimize_widening_mul (gcc::context
*ctxt
);
449 extern gimple_opt_pass
*make_pass_warn_function_return (gcc::context
*ctxt
);
450 extern gimple_opt_pass
*make_pass_warn_function_noreturn (gcc::context
*ctxt
);
451 extern gimple_opt_pass
*make_pass_cselim (gcc::context
*ctxt
);
452 extern gimple_opt_pass
*make_pass_phiopt (gcc::context
*ctxt
);
453 extern gimple_opt_pass
*make_pass_forwprop (gcc::context
*ctxt
);
454 extern gimple_opt_pass
*make_pass_phiprop (gcc::context
*ctxt
);
455 extern gimple_opt_pass
*make_pass_tree_ifcombine (gcc::context
*ctxt
);
456 extern gimple_opt_pass
*make_pass_dse (gcc::context
*ctxt
);
457 extern gimple_opt_pass
*make_pass_nrv (gcc::context
*ctxt
);
458 extern gimple_opt_pass
*make_pass_rename_ssa_copies (gcc::context
*ctxt
);
459 extern gimple_opt_pass
*make_pass_sink_code (gcc::context
*ctxt
);
460 extern gimple_opt_pass
*make_pass_fre (gcc::context
*ctxt
);
461 extern gimple_opt_pass
*make_pass_check_data_deps (gcc::context
*ctxt
);
462 extern gimple_opt_pass
*make_pass_copy_prop (gcc::context
*ctxt
);
463 extern gimple_opt_pass
*make_pass_isolate_erroneous_paths (gcc::context
*ctxt
);
464 extern gimple_opt_pass
*make_pass_early_vrp (gcc::context
*ctxt
);
465 extern gimple_opt_pass
*make_pass_vrp (gcc::context
*ctxt
);
466 extern gimple_opt_pass
*make_pass_vrp_threader (gcc::context
*ctxt
);
467 extern gimple_opt_pass
*make_pass_uncprop (gcc::context
*ctxt
);
468 extern gimple_opt_pass
*make_pass_return_slot (gcc::context
*ctxt
);
469 extern gimple_opt_pass
*make_pass_reassoc (gcc::context
*ctxt
);
470 extern gimple_opt_pass
*make_pass_rebuild_cgraph_edges (gcc::context
*ctxt
);
471 extern gimple_opt_pass
*make_pass_remove_cgraph_callee_edges (gcc::context
473 extern gimple_opt_pass
*make_pass_build_cgraph_edges (gcc::context
*ctxt
);
474 extern gimple_opt_pass
*make_pass_local_pure_const (gcc::context
*ctxt
);
475 extern gimple_opt_pass
*make_pass_nothrow (gcc::context
*ctxt
);
476 extern gimple_opt_pass
*make_pass_tracer (gcc::context
*ctxt
);
477 extern gimple_opt_pass
*make_pass_warn_restrict (gcc::context
*ctxt
);
478 extern gimple_opt_pass
*make_pass_warn_unused_result (gcc::context
*ctxt
);
479 extern gimple_opt_pass
*make_pass_diagnose_tm_blocks (gcc::context
*ctxt
);
480 extern gimple_opt_pass
*make_pass_lower_tm (gcc::context
*ctxt
);
481 extern gimple_opt_pass
*make_pass_tm_init (gcc::context
*ctxt
);
482 extern gimple_opt_pass
*make_pass_tm_mark (gcc::context
*ctxt
);
483 extern gimple_opt_pass
*make_pass_tm_memopt (gcc::context
*ctxt
);
484 extern gimple_opt_pass
*make_pass_tm_edges (gcc::context
*ctxt
);
485 extern gimple_opt_pass
*make_pass_split_functions (gcc::context
*ctxt
);
486 extern gimple_opt_pass
*make_pass_feedback_split_functions (gcc::context
*ctxt
);
487 extern gimple_opt_pass
*make_pass_strength_reduction (gcc::context
*ctxt
);
488 extern gimple_opt_pass
*make_pass_vtable_verify (gcc::context
*ctxt
);
489 extern gimple_opt_pass
*make_pass_ubsan (gcc::context
*ctxt
);
490 extern gimple_opt_pass
*make_pass_sanopt (gcc::context
*ctxt
);
491 extern gimple_opt_pass
*make_pass_oacc_kernels (gcc::context
*ctxt
);
492 extern simple_ipa_opt_pass
*make_pass_ipa_oacc (gcc::context
*ctxt
);
493 extern simple_ipa_opt_pass
*make_pass_ipa_oacc_kernels (gcc::context
*ctxt
);
494 extern gimple_opt_pass
*make_pass_warn_nonnull_compare (gcc::context
*ctxt
);
495 extern gimple_opt_pass
*make_pass_sprintf_length (gcc::context
*ctxt
);
496 extern gimple_opt_pass
*make_pass_walloca (gcc::context
*ctxt
);
497 extern gimple_opt_pass
*make_pass_modref (gcc::context
*ctxt
);
498 extern gimple_opt_pass
*make_pass_coroutine_lower_builtins (gcc::context
*ctxt
);
499 extern gimple_opt_pass
*make_pass_coroutine_early_expand_ifns (gcc::context
*ctxt
);
500 extern gimple_opt_pass
*make_pass_adjust_alignment (gcc::context
*ctxt
);
503 extern simple_ipa_opt_pass
*make_pass_ipa_lower_emutls (gcc::context
*ctxt
);
504 extern simple_ipa_opt_pass
505 *make_pass_ipa_function_and_variable_visibility (gcc::context
*ctxt
);
506 extern simple_ipa_opt_pass
*make_pass_ipa_tree_profile (gcc::context
*ctxt
);
507 extern simple_ipa_opt_pass
*make_pass_ipa_auto_profile (gcc::context
*ctxt
);
509 extern simple_ipa_opt_pass
*make_pass_build_ssa_passes (gcc::context
*ctxt
);
510 extern simple_ipa_opt_pass
*make_pass_local_optimization_passes (gcc::context
*ctxt
);
511 extern simple_ipa_opt_pass
*make_pass_ipa_remove_symbols (gcc::context
*ctxt
);
513 extern ipa_opt_pass_d
*make_pass_analyzer (gcc::context
*ctxt
);
514 extern ipa_opt_pass_d
*make_pass_ipa_whole_program_visibility (gcc::context
516 extern simple_ipa_opt_pass
*make_pass_ipa_increase_alignment (gcc::context
518 extern ipa_opt_pass_d
*make_pass_ipa_fn_summary (gcc::context
*ctxt
);
519 extern ipa_opt_pass_d
*make_pass_ipa_inline (gcc::context
*ctxt
);
520 extern simple_ipa_opt_pass
*make_pass_ipa_free_lang_data (gcc::context
*ctxt
);
521 extern simple_ipa_opt_pass
*make_pass_ipa_free_fn_summary (gcc::context
*ctxt
);
522 extern ipa_opt_pass_d
*make_pass_ipa_cp (gcc::context
*ctxt
);
523 extern ipa_opt_pass_d
*make_pass_ipa_sra (gcc::context
*ctxt
);
524 extern ipa_opt_pass_d
*make_pass_ipa_icf (gcc::context
*ctxt
);
525 extern ipa_opt_pass_d
*make_pass_ipa_devirt (gcc::context
*ctxt
);
526 extern ipa_opt_pass_d
*make_pass_ipa_odr (gcc::context
*ctxt
);
527 extern ipa_opt_pass_d
*make_pass_ipa_reference (gcc::context
*ctxt
);
528 extern ipa_opt_pass_d
*make_pass_ipa_pure_const (gcc::context
*ctxt
);
529 extern simple_ipa_opt_pass
*make_pass_ipa_pta (gcc::context
*ctxt
);
530 extern simple_ipa_opt_pass
*make_pass_ipa_tm (gcc::context
*ctxt
);
531 extern simple_ipa_opt_pass
*make_pass_target_clone (gcc::context
*ctxt
);
532 extern simple_ipa_opt_pass
*make_pass_dispatcher_calls (gcc::context
*ctxt
);
533 extern simple_ipa_opt_pass
*make_pass_omp_simd_clone (gcc::context
*ctxt
);
534 extern ipa_opt_pass_d
*make_pass_ipa_profile (gcc::context
*ctxt
);
535 extern ipa_opt_pass_d
*make_pass_ipa_cdtor_merge (gcc::context
*ctxt
);
536 extern ipa_opt_pass_d
*make_pass_ipa_single_use (gcc::context
*ctxt
);
537 extern ipa_opt_pass_d
*make_pass_ipa_comdats (gcc::context
*ctxt
);
538 extern ipa_opt_pass_d
*make_pass_ipa_modref (gcc::context
*ctxt
);
540 extern gimple_opt_pass
*make_pass_cleanup_cfg_post_optimizing (gcc::context
542 extern gimple_opt_pass
*make_pass_fixup_cfg (gcc::context
*ctxt
);
543 extern gimple_opt_pass
*make_pass_backprop (gcc::context
*ctxt
);
545 extern rtl_opt_pass
*make_pass_expand (gcc::context
*ctxt
);
546 extern rtl_opt_pass
*make_pass_instantiate_virtual_regs (gcc::context
*ctxt
);
547 extern rtl_opt_pass
*make_pass_rtl_fwprop (gcc::context
*ctxt
);
548 extern rtl_opt_pass
*make_pass_rtl_fwprop_addr (gcc::context
*ctxt
);
549 extern rtl_opt_pass
*make_pass_jump (gcc::context
*ctxt
);
550 extern rtl_opt_pass
*make_pass_jump2 (gcc::context
*ctxt
);
551 extern rtl_opt_pass
*make_pass_lower_subreg (gcc::context
*ctxt
);
552 extern rtl_opt_pass
*make_pass_cse (gcc::context
*ctxt
);
553 extern rtl_opt_pass
*make_pass_fast_rtl_dce (gcc::context
*ctxt
);
554 extern rtl_opt_pass
*make_pass_ud_rtl_dce (gcc::context
*ctxt
);
555 extern rtl_opt_pass
*make_pass_rtl_dce (gcc::context
*ctxt
);
556 extern rtl_opt_pass
*make_pass_rtl_dse1 (gcc::context
*ctxt
);
557 extern rtl_opt_pass
*make_pass_rtl_dse2 (gcc::context
*ctxt
);
558 extern rtl_opt_pass
*make_pass_rtl_dse3 (gcc::context
*ctxt
);
559 extern rtl_opt_pass
*make_pass_rtl_cprop (gcc::context
*ctxt
);
560 extern rtl_opt_pass
*make_pass_rtl_pre (gcc::context
*ctxt
);
561 extern rtl_opt_pass
*make_pass_rtl_hoist (gcc::context
*ctxt
);
562 extern rtl_opt_pass
*make_pass_rtl_store_motion (gcc::context
*ctxt
);
563 extern rtl_opt_pass
*make_pass_cse_after_global_opts (gcc::context
*ctxt
);
564 extern rtl_opt_pass
*make_pass_rtl_ifcvt (gcc::context
*ctxt
);
566 extern rtl_opt_pass
*make_pass_into_cfg_layout_mode (gcc::context
*ctxt
);
567 extern rtl_opt_pass
*make_pass_outof_cfg_layout_mode (gcc::context
*ctxt
);
569 extern rtl_opt_pass
*make_pass_loop2 (gcc::context
*ctxt
);
570 extern rtl_opt_pass
*make_pass_rtl_loop_init (gcc::context
*ctxt
);
571 extern rtl_opt_pass
*make_pass_rtl_move_loop_invariants (gcc::context
*ctxt
);
572 extern rtl_opt_pass
*make_pass_rtl_unroll_loops (gcc::context
*ctxt
);
573 extern rtl_opt_pass
*make_pass_rtl_doloop (gcc::context
*ctxt
);
574 extern rtl_opt_pass
*make_pass_rtl_loop_done (gcc::context
*ctxt
);
576 extern rtl_opt_pass
*make_pass_lower_subreg2 (gcc::context
*ctxt
);
577 extern rtl_opt_pass
*make_pass_web (gcc::context
*ctxt
);
578 extern rtl_opt_pass
*make_pass_cse2 (gcc::context
*ctxt
);
579 extern rtl_opt_pass
*make_pass_df_initialize_opt (gcc::context
*ctxt
);
580 extern rtl_opt_pass
*make_pass_df_initialize_no_opt (gcc::context
*ctxt
);
581 extern rtl_opt_pass
*make_pass_reginfo_init (gcc::context
*ctxt
);
582 extern rtl_opt_pass
*make_pass_inc_dec (gcc::context
*ctxt
);
583 extern rtl_opt_pass
*make_pass_stack_ptr_mod (gcc::context
*ctxt
);
584 extern rtl_opt_pass
*make_pass_initialize_regs (gcc::context
*ctxt
);
585 extern rtl_opt_pass
*make_pass_combine (gcc::context
*ctxt
);
586 extern rtl_opt_pass
*make_pass_if_after_combine (gcc::context
*ctxt
);
587 extern rtl_opt_pass
*make_pass_jump_after_combine (gcc::context
*ctxt
);
588 extern rtl_opt_pass
*make_pass_ree (gcc::context
*ctxt
);
589 extern rtl_opt_pass
*make_pass_partition_blocks (gcc::context
*ctxt
);
590 extern rtl_opt_pass
*make_pass_match_asm_constraints (gcc::context
*ctxt
);
591 extern rtl_opt_pass
*make_pass_split_all_insns (gcc::context
*ctxt
);
592 extern rtl_opt_pass
*make_pass_fast_rtl_byte_dce (gcc::context
*ctxt
);
593 extern rtl_opt_pass
*make_pass_lower_subreg3 (gcc::context
*ctxt
);
594 extern rtl_opt_pass
*make_pass_mode_switching (gcc::context
*ctxt
);
595 extern rtl_opt_pass
*make_pass_sms (gcc::context
*ctxt
);
596 extern rtl_opt_pass
*make_pass_sched (gcc::context
*ctxt
);
597 extern rtl_opt_pass
*make_pass_live_range_shrinkage (gcc::context
*ctxt
);
598 extern rtl_opt_pass
*make_pass_early_remat (gcc::context
*ctxt
);
599 extern rtl_opt_pass
*make_pass_ira (gcc::context
*ctxt
);
600 extern rtl_opt_pass
*make_pass_reload (gcc::context
*ctxt
);
601 extern rtl_opt_pass
*make_pass_clean_state (gcc::context
*ctxt
);
602 extern rtl_opt_pass
*make_pass_branch_prob (gcc::context
*ctxt
);
603 extern rtl_opt_pass
*make_pass_value_profile_transformations (gcc::context
605 extern rtl_opt_pass
*make_pass_postreload_cse (gcc::context
*ctxt
);
606 extern rtl_opt_pass
*make_pass_gcse2 (gcc::context
*ctxt
);
607 extern rtl_opt_pass
*make_pass_split_after_reload (gcc::context
*ctxt
);
608 extern rtl_opt_pass
*make_pass_thread_prologue_and_epilogue (gcc::context
610 extern rtl_opt_pass
*make_pass_zero_call_used_regs (gcc::context
*ctxt
);
611 extern rtl_opt_pass
*make_pass_stack_adjustments (gcc::context
*ctxt
);
612 extern rtl_opt_pass
*make_pass_sched_fusion (gcc::context
*ctxt
);
613 extern rtl_opt_pass
*make_pass_peephole2 (gcc::context
*ctxt
);
614 extern rtl_opt_pass
*make_pass_if_after_reload (gcc::context
*ctxt
);
615 extern rtl_opt_pass
*make_pass_regrename (gcc::context
*ctxt
);
616 extern rtl_opt_pass
*make_pass_cprop_hardreg (gcc::context
*ctxt
);
617 extern rtl_opt_pass
*make_pass_reorder_blocks (gcc::context
*ctxt
);
618 extern rtl_opt_pass
*make_pass_leaf_regs (gcc::context
*ctxt
);
619 extern rtl_opt_pass
*make_pass_split_before_sched2 (gcc::context
*ctxt
);
620 extern rtl_opt_pass
*make_pass_compare_elim_after_reload (gcc::context
*ctxt
);
621 extern rtl_opt_pass
*make_pass_sched2 (gcc::context
*ctxt
);
622 extern rtl_opt_pass
*make_pass_stack_regs (gcc::context
*ctxt
);
623 extern rtl_opt_pass
*make_pass_stack_regs_run (gcc::context
*ctxt
);
624 extern rtl_opt_pass
*make_pass_df_finish (gcc::context
*ctxt
);
625 extern rtl_opt_pass
*make_pass_compute_alignments (gcc::context
*ctxt
);
626 extern rtl_opt_pass
*make_pass_duplicate_computed_gotos (gcc::context
*ctxt
);
627 extern rtl_opt_pass
*make_pass_variable_tracking (gcc::context
*ctxt
);
628 extern rtl_opt_pass
*make_pass_free_cfg (gcc::context
*ctxt
);
629 extern rtl_opt_pass
*make_pass_machine_reorg (gcc::context
*ctxt
);
630 extern rtl_opt_pass
*make_pass_cleanup_barriers (gcc::context
*ctxt
);
631 extern rtl_opt_pass
*make_pass_delay_slots (gcc::context
*ctxt
);
632 extern rtl_opt_pass
*make_pass_split_for_shorten_branches (gcc::context
*ctxt
);
633 extern rtl_opt_pass
*make_pass_split_before_regstack (gcc::context
*ctxt
);
634 extern rtl_opt_pass
*make_pass_convert_to_eh_region_ranges (gcc::context
*ctxt
);
635 extern rtl_opt_pass
*make_pass_shorten_branches (gcc::context
*ctxt
);
636 extern rtl_opt_pass
*make_pass_set_nothrow_function_flags (gcc::context
*ctxt
);
637 extern rtl_opt_pass
*make_pass_dwarf2_frame (gcc::context
*ctxt
);
638 extern rtl_opt_pass
*make_pass_final (gcc::context
*ctxt
);
639 extern rtl_opt_pass
*make_pass_rtl_seqabstr (gcc::context
*ctxt
);
640 extern gimple_opt_pass
*make_pass_release_ssa_names (gcc::context
*ctxt
);
641 extern gimple_opt_pass
*make_pass_early_inline (gcc::context
*ctxt
);
642 extern gimple_opt_pass
*make_pass_local_fn_summary (gcc::context
*ctxt
);
643 extern gimple_opt_pass
*make_pass_update_address_taken (gcc::context
*ctxt
);
644 extern gimple_opt_pass
*make_pass_convert_switch (gcc::context
*ctxt
);
645 extern gimple_opt_pass
*make_pass_lower_vaarg (gcc::context
*ctxt
);
646 extern gimple_opt_pass
*make_pass_gimple_isel (gcc::context
*ctxt
);
647 extern gimple_opt_pass
*make_pass_harden_compares (gcc::context
*ctxt
);
648 extern gimple_opt_pass
*make_pass_harden_conditional_branches (gcc::context
651 /* Current optimization pass. */
652 extern opt_pass
*current_pass
;
654 extern bool execute_one_pass (opt_pass
*);
655 extern void execute_pass_list (function
*, opt_pass
*);
656 extern void execute_ipa_pass_list (opt_pass
*);
657 extern void execute_ipa_summary_passes (ipa_opt_pass_d
*);
658 extern void execute_all_ipa_transforms (bool);
659 extern void execute_all_ipa_stmt_fixups (struct cgraph_node
*, gimple
**);
660 extern bool pass_init_dump_file (opt_pass
*);
661 extern void pass_fini_dump_file (opt_pass
*);
662 extern void emergency_dump_function (void);
664 extern void print_current_pass (FILE *);
665 extern void debug_pass (void);
666 extern void ipa_write_summaries (void);
667 extern void ipa_write_optimization_summaries (struct lto_symtab_encoder_d
*);
668 extern void ipa_read_summaries (void);
669 extern void ipa_read_optimization_summaries (void);
670 extern void register_one_dump_file (opt_pass
*);
671 extern bool function_called_by_processed_nodes_p (void);
673 /* Declare for plugins. */
674 extern void do_per_function_toporder (void (*) (function
*, void *), void *);
676 extern void disable_pass (const char *);
677 extern void enable_pass (const char *);
678 extern void dump_passes (void);
680 #endif /* GCC_TREE_PASS_H */