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> 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: ~opt_pass()76 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: gimple_opt_pass(const pass_data & data,gcc::context * ctxt)119 gimple_opt_pass (const pass_data& data, gcc::context *ctxt) 120 : opt_pass (data, ctxt) 121 { 122 } 123 }; 124 125 /* Description of RTL pass. */ 126 class rtl_opt_pass : public opt_pass 127 { 128 protected: rtl_opt_pass(const pass_data & data,gcc::context * ctxt)129 rtl_opt_pass (const pass_data& data, gcc::context *ctxt) 130 : 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: ipa_opt_pass_d(const pass_data & data,gcc::context * ctxt,void (* generate_summary)(void),void (* write_summary)(void),void (* read_summary)(void),void (* write_optimization_summary)(void),void (* read_optimization_summary)(void),void (* stmt_fixup)(struct cgraph_node *,gimple **),unsigned int function_transform_todo_flags_start,unsigned int (* function_transform)(struct cgraph_node *),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) 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: simple_ipa_opt_pass(const pass_data & data,gcc::context * ctxt)200 simple_ipa_opt_pass (const pass_data& data, gcc::context *ctxt) 201 : 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_gimple \ 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 /* To-do flags for pending_TODOs. */ 314 315 /* Tell the next scalar cleanup pass that there is 316 work for it to do. */ 317 #define PENDING_TODO_force_next_scalar_cleanup (1 << 1) 318 319 /* Register pass info. */ 320 321 enum pass_positioning_ops 322 { 323 PASS_POS_INSERT_AFTER, /* Insert after the reference pass. */ 324 PASS_POS_INSERT_BEFORE, /* Insert before the reference pass. */ 325 PASS_POS_REPLACE /* Replace the reference pass. */ 326 }; 327 328 struct register_pass_info 329 { 330 opt_pass *pass; /* New pass to register. */ 331 const char *reference_pass_name; /* Name of the reference pass for hooking 332 up the new pass. */ 333 int ref_pass_instance_number; /* Insert the pass at the specified 334 instance number of the reference pass. 335 Do it for every instance if it is 0. */ 336 enum pass_positioning_ops pos_op; /* how to insert the new pass. */ 337 }; 338 339 /* Registers a new pass. Either fill out the register_pass_info or specify 340 the individual parameters. The pass object is expected to have been 341 allocated using operator new and the pass manager takes the ownership of 342 the pass object. */ 343 extern void register_pass (register_pass_info *); 344 extern void register_pass (opt_pass* pass, pass_positioning_ops pos, 345 const char* ref_pass_name, int ref_pass_inst_number); 346 347 extern gimple_opt_pass *make_pass_asan (gcc::context *ctxt); 348 extern gimple_opt_pass *make_pass_asan_O0 (gcc::context *ctxt); 349 extern gimple_opt_pass *make_pass_tsan (gcc::context *ctxt); 350 extern gimple_opt_pass *make_pass_tsan_O0 (gcc::context *ctxt); 351 extern gimple_opt_pass *make_pass_sancov (gcc::context *ctxt); 352 extern gimple_opt_pass *make_pass_sancov_O0 (gcc::context *ctxt); 353 extern gimple_opt_pass *make_pass_lower_cf (gcc::context *ctxt); 354 extern gimple_opt_pass *make_pass_refactor_eh (gcc::context *ctxt); 355 extern gimple_opt_pass *make_pass_lower_eh (gcc::context *ctxt); 356 extern gimple_opt_pass *make_pass_lower_eh_dispatch (gcc::context *ctxt); 357 extern gimple_opt_pass *make_pass_lower_resx (gcc::context *ctxt); 358 extern gimple_opt_pass *make_pass_build_cfg (gcc::context *ctxt); 359 extern gimple_opt_pass *make_pass_early_tree_profile (gcc::context *ctxt); 360 extern gimple_opt_pass *make_pass_cleanup_eh (gcc::context *ctxt); 361 extern gimple_opt_pass *make_pass_sra (gcc::context *ctxt); 362 extern gimple_opt_pass *make_pass_sra_early (gcc::context *ctxt); 363 extern gimple_opt_pass *make_pass_tail_recursion (gcc::context *ctxt); 364 extern gimple_opt_pass *make_pass_tail_calls (gcc::context *ctxt); 365 extern gimple_opt_pass *make_pass_fix_loops (gcc::context *ctxt); 366 extern gimple_opt_pass *make_pass_tree_loop (gcc::context *ctxt); 367 extern gimple_opt_pass *make_pass_tree_no_loop (gcc::context *ctxt); 368 extern gimple_opt_pass *make_pass_tree_loop_init (gcc::context *ctxt); 369 extern gimple_opt_pass *make_pass_loop_versioning (gcc::context *ctxt); 370 extern gimple_opt_pass *make_pass_lim (gcc::context *ctxt); 371 extern gimple_opt_pass *make_pass_linterchange (gcc::context *ctxt); 372 extern gimple_opt_pass *make_pass_tree_unswitch (gcc::context *ctxt); 373 extern gimple_opt_pass *make_pass_loop_split (gcc::context *ctxt); 374 extern gimple_opt_pass *make_pass_loop_jam (gcc::context *ctxt); 375 extern gimple_opt_pass *make_pass_predcom (gcc::context *ctxt); 376 extern gimple_opt_pass *make_pass_iv_canon (gcc::context *ctxt); 377 extern gimple_opt_pass *make_pass_scev_cprop (gcc::context *ctxt); 378 extern gimple_opt_pass *make_pass_empty_loop (gcc::context *ctxt); 379 extern gimple_opt_pass *make_pass_graphite (gcc::context *ctxt); 380 extern gimple_opt_pass *make_pass_graphite_transforms (gcc::context *ctxt); 381 extern gimple_opt_pass *make_pass_if_conversion (gcc::context *ctxt); 382 extern gimple_opt_pass *make_pass_if_to_switch (gcc::context *ctxt); 383 extern gimple_opt_pass *make_pass_loop_distribution (gcc::context *ctxt); 384 extern gimple_opt_pass *make_pass_vectorize (gcc::context *ctxt); 385 extern gimple_opt_pass *make_pass_simduid_cleanup (gcc::context *ctxt); 386 extern gimple_opt_pass *make_pass_slp_vectorize (gcc::context *ctxt); 387 extern gimple_opt_pass *make_pass_complete_unroll (gcc::context *ctxt); 388 extern gimple_opt_pass *make_pass_complete_unrolli (gcc::context *ctxt); 389 extern gimple_opt_pass *make_pass_pre_slp_scalar_cleanup (gcc::context *ctxt); 390 extern gimple_opt_pass *make_pass_parallelize_loops (gcc::context *ctxt); 391 extern gimple_opt_pass *make_pass_loop_prefetch (gcc::context *ctxt); 392 extern gimple_opt_pass *make_pass_iv_optimize (gcc::context *ctxt); 393 extern gimple_opt_pass *make_pass_tree_loop_done (gcc::context *ctxt); 394 extern gimple_opt_pass *make_pass_ch (gcc::context *ctxt); 395 extern gimple_opt_pass *make_pass_ch_vect (gcc::context *ctxt); 396 extern gimple_opt_pass *make_pass_ccp (gcc::context *ctxt); 397 extern gimple_opt_pass *make_pass_split_paths (gcc::context *ctxt); 398 extern gimple_opt_pass *make_pass_build_ssa (gcc::context *ctxt); 399 extern gimple_opt_pass *make_pass_build_alias (gcc::context *ctxt); 400 extern gimple_opt_pass *make_pass_build_ealias (gcc::context *ctxt); 401 extern gimple_opt_pass *make_pass_dominator (gcc::context *ctxt); 402 extern gimple_opt_pass *make_pass_dce (gcc::context *ctxt); 403 extern gimple_opt_pass *make_pass_cd_dce (gcc::context *ctxt); 404 extern gimple_opt_pass *make_pass_call_cdce (gcc::context *ctxt); 405 extern gimple_opt_pass *make_pass_merge_phi (gcc::context *ctxt); 406 extern gimple_opt_pass *make_pass_thread_jumps (gcc::context *ctxt); 407 extern gimple_opt_pass *make_pass_early_thread_jumps (gcc::context *ctxt); 408 extern gimple_opt_pass *make_pass_split_crit_edges (gcc::context *ctxt); 409 extern gimple_opt_pass *make_pass_laddress (gcc::context *ctxt); 410 extern gimple_opt_pass *make_pass_pre (gcc::context *ctxt); 411 extern unsigned int tail_merge_optimize (unsigned int); 412 extern gimple_opt_pass *make_pass_profile (gcc::context *ctxt); 413 extern gimple_opt_pass *make_pass_strip_predict_hints (gcc::context *ctxt); 414 extern gimple_opt_pass *make_pass_lower_complex_O0 (gcc::context *ctxt); 415 extern gimple_opt_pass *make_pass_lower_complex (gcc::context *ctxt); 416 extern gimple_opt_pass *make_pass_lower_switch (gcc::context *ctxt); 417 extern gimple_opt_pass *make_pass_lower_switch_O0 (gcc::context *ctxt); 418 extern gimple_opt_pass *make_pass_lower_vector (gcc::context *ctxt); 419 extern gimple_opt_pass *make_pass_lower_vector_ssa (gcc::context *ctxt); 420 extern gimple_opt_pass *make_pass_omp_oacc_kernels_decompose (gcc::context *ctxt); 421 extern gimple_opt_pass *make_pass_lower_omp (gcc::context *ctxt); 422 extern gimple_opt_pass *make_pass_diagnose_omp_blocks (gcc::context *ctxt); 423 extern gimple_opt_pass *make_pass_expand_omp (gcc::context *ctxt); 424 extern gimple_opt_pass *make_pass_expand_omp_ssa (gcc::context *ctxt); 425 extern gimple_opt_pass *make_pass_omp_target_link (gcc::context *ctxt); 426 extern gimple_opt_pass *make_pass_oacc_device_lower (gcc::context *ctxt); 427 extern gimple_opt_pass *make_pass_omp_device_lower (gcc::context *ctxt); 428 extern gimple_opt_pass *make_pass_object_sizes (gcc::context *ctxt); 429 extern gimple_opt_pass *make_pass_warn_printf (gcc::context *ctxt); 430 extern gimple_opt_pass *make_pass_strlen (gcc::context *ctxt); 431 extern gimple_opt_pass *make_pass_fold_builtins (gcc::context *ctxt); 432 extern gimple_opt_pass *make_pass_post_ipa_warn (gcc::context *ctxt); 433 extern gimple_opt_pass *make_pass_stdarg (gcc::context *ctxt); 434 extern gimple_opt_pass *make_pass_early_warn_uninitialized (gcc::context *ctxt); 435 extern gimple_opt_pass *make_pass_late_warn_uninitialized (gcc::context *ctxt); 436 extern gimple_opt_pass *make_pass_cse_reciprocals (gcc::context *ctxt); 437 extern gimple_opt_pass *make_pass_cse_sincos (gcc::context *ctxt); 438 extern gimple_opt_pass *make_pass_optimize_bswap (gcc::context *ctxt); 439 extern gimple_opt_pass *make_pass_store_merging (gcc::context *ctxt); 440 extern gimple_opt_pass *make_pass_optimize_widening_mul (gcc::context *ctxt); 441 extern gimple_opt_pass *make_pass_warn_function_return (gcc::context *ctxt); 442 extern gimple_opt_pass *make_pass_warn_function_noreturn (gcc::context *ctxt); 443 extern gimple_opt_pass *make_pass_cselim (gcc::context *ctxt); 444 extern gimple_opt_pass *make_pass_phiopt (gcc::context *ctxt); 445 extern gimple_opt_pass *make_pass_forwprop (gcc::context *ctxt); 446 extern gimple_opt_pass *make_pass_phiprop (gcc::context *ctxt); 447 extern gimple_opt_pass *make_pass_tree_ifcombine (gcc::context *ctxt); 448 extern gimple_opt_pass *make_pass_dse (gcc::context *ctxt); 449 extern gimple_opt_pass *make_pass_nrv (gcc::context *ctxt); 450 extern gimple_opt_pass *make_pass_rename_ssa_copies (gcc::context *ctxt); 451 extern gimple_opt_pass *make_pass_sink_code (gcc::context *ctxt); 452 extern gimple_opt_pass *make_pass_fre (gcc::context *ctxt); 453 extern gimple_opt_pass *make_pass_check_data_deps (gcc::context *ctxt); 454 extern gimple_opt_pass *make_pass_copy_prop (gcc::context *ctxt); 455 extern gimple_opt_pass *make_pass_isolate_erroneous_paths (gcc::context *ctxt); 456 extern gimple_opt_pass *make_pass_early_vrp (gcc::context *ctxt); 457 extern gimple_opt_pass *make_pass_vrp (gcc::context *ctxt); 458 extern gimple_opt_pass *make_pass_uncprop (gcc::context *ctxt); 459 extern gimple_opt_pass *make_pass_return_slot (gcc::context *ctxt); 460 extern gimple_opt_pass *make_pass_reassoc (gcc::context *ctxt); 461 extern gimple_opt_pass *make_pass_rebuild_cgraph_edges (gcc::context *ctxt); 462 extern gimple_opt_pass *make_pass_remove_cgraph_callee_edges (gcc::context 463 *ctxt); 464 extern gimple_opt_pass *make_pass_build_cgraph_edges (gcc::context *ctxt); 465 extern gimple_opt_pass *make_pass_local_pure_const (gcc::context *ctxt); 466 extern gimple_opt_pass *make_pass_nothrow (gcc::context *ctxt); 467 extern gimple_opt_pass *make_pass_tracer (gcc::context *ctxt); 468 extern gimple_opt_pass *make_pass_warn_restrict (gcc::context *ctxt); 469 extern gimple_opt_pass *make_pass_warn_unused_result (gcc::context *ctxt); 470 extern gimple_opt_pass *make_pass_diagnose_tm_blocks (gcc::context *ctxt); 471 extern gimple_opt_pass *make_pass_lower_tm (gcc::context *ctxt); 472 extern gimple_opt_pass *make_pass_tm_init (gcc::context *ctxt); 473 extern gimple_opt_pass *make_pass_tm_mark (gcc::context *ctxt); 474 extern gimple_opt_pass *make_pass_tm_memopt (gcc::context *ctxt); 475 extern gimple_opt_pass *make_pass_tm_edges (gcc::context *ctxt); 476 extern gimple_opt_pass *make_pass_split_functions (gcc::context *ctxt); 477 extern gimple_opt_pass *make_pass_feedback_split_functions (gcc::context *ctxt); 478 extern gimple_opt_pass *make_pass_strength_reduction (gcc::context *ctxt); 479 extern gimple_opt_pass *make_pass_vtable_verify (gcc::context *ctxt); 480 extern gimple_opt_pass *make_pass_ubsan (gcc::context *ctxt); 481 extern gimple_opt_pass *make_pass_sanopt (gcc::context *ctxt); 482 extern gimple_opt_pass *make_pass_oacc_kernels (gcc::context *ctxt); 483 extern simple_ipa_opt_pass *make_pass_ipa_oacc (gcc::context *ctxt); 484 extern simple_ipa_opt_pass *make_pass_ipa_oacc_kernels (gcc::context *ctxt); 485 extern gimple_opt_pass *make_pass_warn_nonnull_compare (gcc::context *ctxt); 486 extern gimple_opt_pass *make_pass_sprintf_length (gcc::context *ctxt); 487 extern gimple_opt_pass *make_pass_walloca (gcc::context *ctxt); 488 extern gimple_opt_pass *make_pass_modref (gcc::context *ctxt); 489 extern gimple_opt_pass *make_pass_coroutine_lower_builtins (gcc::context *ctxt); 490 extern gimple_opt_pass *make_pass_coroutine_early_expand_ifns (gcc::context *ctxt); 491 extern gimple_opt_pass *make_pass_adjust_alignment (gcc::context *ctxt); 492 493 /* IPA Passes */ 494 extern simple_ipa_opt_pass *make_pass_ipa_lower_emutls (gcc::context *ctxt); 495 extern simple_ipa_opt_pass 496 *make_pass_ipa_function_and_variable_visibility (gcc::context *ctxt); 497 extern simple_ipa_opt_pass *make_pass_ipa_tree_profile (gcc::context *ctxt); 498 extern simple_ipa_opt_pass *make_pass_ipa_auto_profile (gcc::context *ctxt); 499 500 extern simple_ipa_opt_pass *make_pass_build_ssa_passes (gcc::context *ctxt); 501 extern simple_ipa_opt_pass *make_pass_local_optimization_passes (gcc::context *ctxt); 502 extern simple_ipa_opt_pass *make_pass_ipa_remove_symbols (gcc::context *ctxt); 503 504 extern ipa_opt_pass_d *make_pass_analyzer (gcc::context *ctxt); 505 extern ipa_opt_pass_d *make_pass_ipa_whole_program_visibility (gcc::context 506 *ctxt); 507 extern simple_ipa_opt_pass *make_pass_ipa_increase_alignment (gcc::context 508 *ctxt); 509 extern ipa_opt_pass_d *make_pass_ipa_fn_summary (gcc::context *ctxt); 510 extern ipa_opt_pass_d *make_pass_ipa_inline (gcc::context *ctxt); 511 extern simple_ipa_opt_pass *make_pass_ipa_free_lang_data (gcc::context *ctxt); 512 extern simple_ipa_opt_pass *make_pass_ipa_free_fn_summary (gcc::context *ctxt); 513 extern ipa_opt_pass_d *make_pass_ipa_cp (gcc::context *ctxt); 514 extern ipa_opt_pass_d *make_pass_ipa_sra (gcc::context *ctxt); 515 extern ipa_opt_pass_d *make_pass_ipa_icf (gcc::context *ctxt); 516 extern ipa_opt_pass_d *make_pass_ipa_devirt (gcc::context *ctxt); 517 extern ipa_opt_pass_d *make_pass_ipa_odr (gcc::context *ctxt); 518 extern ipa_opt_pass_d *make_pass_ipa_reference (gcc::context *ctxt); 519 extern ipa_opt_pass_d *make_pass_ipa_pure_const (gcc::context *ctxt); 520 extern simple_ipa_opt_pass *make_pass_ipa_pta (gcc::context *ctxt); 521 extern simple_ipa_opt_pass *make_pass_ipa_tm (gcc::context *ctxt); 522 extern simple_ipa_opt_pass *make_pass_target_clone (gcc::context *ctxt); 523 extern simple_ipa_opt_pass *make_pass_dispatcher_calls (gcc::context *ctxt); 524 extern simple_ipa_opt_pass *make_pass_omp_simd_clone (gcc::context *ctxt); 525 extern ipa_opt_pass_d *make_pass_ipa_profile (gcc::context *ctxt); 526 extern ipa_opt_pass_d *make_pass_ipa_cdtor_merge (gcc::context *ctxt); 527 extern ipa_opt_pass_d *make_pass_ipa_single_use (gcc::context *ctxt); 528 extern ipa_opt_pass_d *make_pass_ipa_comdats (gcc::context *ctxt); 529 extern ipa_opt_pass_d *make_pass_ipa_modref (gcc::context *ctxt); 530 531 extern gimple_opt_pass *make_pass_cleanup_cfg_post_optimizing (gcc::context 532 *ctxt); 533 extern gimple_opt_pass *make_pass_fixup_cfg (gcc::context *ctxt); 534 extern gimple_opt_pass *make_pass_backprop (gcc::context *ctxt); 535 536 extern rtl_opt_pass *make_pass_expand (gcc::context *ctxt); 537 extern rtl_opt_pass *make_pass_instantiate_virtual_regs (gcc::context *ctxt); 538 extern rtl_opt_pass *make_pass_rtl_fwprop (gcc::context *ctxt); 539 extern rtl_opt_pass *make_pass_rtl_fwprop_addr (gcc::context *ctxt); 540 extern rtl_opt_pass *make_pass_jump (gcc::context *ctxt); 541 extern rtl_opt_pass *make_pass_jump2 (gcc::context *ctxt); 542 extern rtl_opt_pass *make_pass_lower_subreg (gcc::context *ctxt); 543 extern rtl_opt_pass *make_pass_cse (gcc::context *ctxt); 544 extern rtl_opt_pass *make_pass_fast_rtl_dce (gcc::context *ctxt); 545 extern rtl_opt_pass *make_pass_ud_rtl_dce (gcc::context *ctxt); 546 extern rtl_opt_pass *make_pass_rtl_dce (gcc::context *ctxt); 547 extern rtl_opt_pass *make_pass_rtl_dse1 (gcc::context *ctxt); 548 extern rtl_opt_pass *make_pass_rtl_dse2 (gcc::context *ctxt); 549 extern rtl_opt_pass *make_pass_rtl_dse3 (gcc::context *ctxt); 550 extern rtl_opt_pass *make_pass_rtl_cprop (gcc::context *ctxt); 551 extern rtl_opt_pass *make_pass_rtl_pre (gcc::context *ctxt); 552 extern rtl_opt_pass *make_pass_rtl_hoist (gcc::context *ctxt); 553 extern rtl_opt_pass *make_pass_rtl_store_motion (gcc::context *ctxt); 554 extern rtl_opt_pass *make_pass_cse_after_global_opts (gcc::context *ctxt); 555 extern rtl_opt_pass *make_pass_rtl_ifcvt (gcc::context *ctxt); 556 557 extern rtl_opt_pass *make_pass_into_cfg_layout_mode (gcc::context *ctxt); 558 extern rtl_opt_pass *make_pass_outof_cfg_layout_mode (gcc::context *ctxt); 559 560 extern rtl_opt_pass *make_pass_loop2 (gcc::context *ctxt); 561 extern rtl_opt_pass *make_pass_rtl_loop_init (gcc::context *ctxt); 562 extern rtl_opt_pass *make_pass_rtl_move_loop_invariants (gcc::context *ctxt); 563 extern rtl_opt_pass *make_pass_rtl_unroll_loops (gcc::context *ctxt); 564 extern rtl_opt_pass *make_pass_rtl_doloop (gcc::context *ctxt); 565 extern rtl_opt_pass *make_pass_rtl_loop_done (gcc::context *ctxt); 566 567 extern rtl_opt_pass *make_pass_lower_subreg2 (gcc::context *ctxt); 568 extern rtl_opt_pass *make_pass_web (gcc::context *ctxt); 569 extern rtl_opt_pass *make_pass_cse2 (gcc::context *ctxt); 570 extern rtl_opt_pass *make_pass_df_initialize_opt (gcc::context *ctxt); 571 extern rtl_opt_pass *make_pass_df_initialize_no_opt (gcc::context *ctxt); 572 extern rtl_opt_pass *make_pass_reginfo_init (gcc::context *ctxt); 573 extern rtl_opt_pass *make_pass_inc_dec (gcc::context *ctxt); 574 extern rtl_opt_pass *make_pass_stack_ptr_mod (gcc::context *ctxt); 575 extern rtl_opt_pass *make_pass_initialize_regs (gcc::context *ctxt); 576 extern rtl_opt_pass *make_pass_combine (gcc::context *ctxt); 577 extern rtl_opt_pass *make_pass_if_after_combine (gcc::context *ctxt); 578 extern rtl_opt_pass *make_pass_jump_after_combine (gcc::context *ctxt); 579 extern rtl_opt_pass *make_pass_ree (gcc::context *ctxt); 580 extern rtl_opt_pass *make_pass_partition_blocks (gcc::context *ctxt); 581 extern rtl_opt_pass *make_pass_match_asm_constraints (gcc::context *ctxt); 582 extern rtl_opt_pass *make_pass_split_all_insns (gcc::context *ctxt); 583 extern rtl_opt_pass *make_pass_fast_rtl_byte_dce (gcc::context *ctxt); 584 extern rtl_opt_pass *make_pass_lower_subreg3 (gcc::context *ctxt); 585 extern rtl_opt_pass *make_pass_mode_switching (gcc::context *ctxt); 586 extern rtl_opt_pass *make_pass_sms (gcc::context *ctxt); 587 extern rtl_opt_pass *make_pass_sched (gcc::context *ctxt); 588 extern rtl_opt_pass *make_pass_live_range_shrinkage (gcc::context *ctxt); 589 extern rtl_opt_pass *make_pass_early_remat (gcc::context *ctxt); 590 extern rtl_opt_pass *make_pass_ira (gcc::context *ctxt); 591 extern rtl_opt_pass *make_pass_reload (gcc::context *ctxt); 592 extern rtl_opt_pass *make_pass_clean_state (gcc::context *ctxt); 593 extern rtl_opt_pass *make_pass_branch_prob (gcc::context *ctxt); 594 extern rtl_opt_pass *make_pass_value_profile_transformations (gcc::context 595 *ctxt); 596 extern rtl_opt_pass *make_pass_postreload_cse (gcc::context *ctxt); 597 extern rtl_opt_pass *make_pass_gcse2 (gcc::context *ctxt); 598 extern rtl_opt_pass *make_pass_split_after_reload (gcc::context *ctxt); 599 extern rtl_opt_pass *make_pass_thread_prologue_and_epilogue (gcc::context 600 *ctxt); 601 extern rtl_opt_pass *make_pass_zero_call_used_regs (gcc::context *ctxt); 602 extern rtl_opt_pass *make_pass_stack_adjustments (gcc::context *ctxt); 603 extern rtl_opt_pass *make_pass_sched_fusion (gcc::context *ctxt); 604 extern rtl_opt_pass *make_pass_peephole2 (gcc::context *ctxt); 605 extern rtl_opt_pass *make_pass_if_after_reload (gcc::context *ctxt); 606 extern rtl_opt_pass *make_pass_regrename (gcc::context *ctxt); 607 extern rtl_opt_pass *make_pass_cprop_hardreg (gcc::context *ctxt); 608 extern rtl_opt_pass *make_pass_reorder_blocks (gcc::context *ctxt); 609 extern rtl_opt_pass *make_pass_leaf_regs (gcc::context *ctxt); 610 extern rtl_opt_pass *make_pass_split_before_sched2 (gcc::context *ctxt); 611 extern rtl_opt_pass *make_pass_compare_elim_after_reload (gcc::context *ctxt); 612 extern rtl_opt_pass *make_pass_sched2 (gcc::context *ctxt); 613 extern rtl_opt_pass *make_pass_stack_regs (gcc::context *ctxt); 614 extern rtl_opt_pass *make_pass_stack_regs_run (gcc::context *ctxt); 615 extern rtl_opt_pass *make_pass_df_finish (gcc::context *ctxt); 616 extern rtl_opt_pass *make_pass_compute_alignments (gcc::context *ctxt); 617 extern rtl_opt_pass *make_pass_duplicate_computed_gotos (gcc::context *ctxt); 618 extern rtl_opt_pass *make_pass_variable_tracking (gcc::context *ctxt); 619 extern rtl_opt_pass *make_pass_free_cfg (gcc::context *ctxt); 620 extern rtl_opt_pass *make_pass_machine_reorg (gcc::context *ctxt); 621 extern rtl_opt_pass *make_pass_cleanup_barriers (gcc::context *ctxt); 622 extern rtl_opt_pass *make_pass_delay_slots (gcc::context *ctxt); 623 extern rtl_opt_pass *make_pass_split_for_shorten_branches (gcc::context *ctxt); 624 extern rtl_opt_pass *make_pass_split_before_regstack (gcc::context *ctxt); 625 extern rtl_opt_pass *make_pass_convert_to_eh_region_ranges (gcc::context *ctxt); 626 extern rtl_opt_pass *make_pass_shorten_branches (gcc::context *ctxt); 627 extern rtl_opt_pass *make_pass_set_nothrow_function_flags (gcc::context *ctxt); 628 extern rtl_opt_pass *make_pass_dwarf2_frame (gcc::context *ctxt); 629 extern rtl_opt_pass *make_pass_final (gcc::context *ctxt); 630 extern rtl_opt_pass *make_pass_rtl_seqabstr (gcc::context *ctxt); 631 extern gimple_opt_pass *make_pass_release_ssa_names (gcc::context *ctxt); 632 extern gimple_opt_pass *make_pass_early_inline (gcc::context *ctxt); 633 extern gimple_opt_pass *make_pass_local_fn_summary (gcc::context *ctxt); 634 extern gimple_opt_pass *make_pass_update_address_taken (gcc::context *ctxt); 635 extern gimple_opt_pass *make_pass_convert_switch (gcc::context *ctxt); 636 extern gimple_opt_pass *make_pass_lower_vaarg (gcc::context *ctxt); 637 extern gimple_opt_pass *make_pass_gimple_isel (gcc::context *ctxt); 638 639 /* Current optimization pass. */ 640 extern opt_pass *current_pass; 641 642 extern bool execute_one_pass (opt_pass *); 643 extern void execute_pass_list (function *, opt_pass *); 644 extern void execute_ipa_pass_list (opt_pass *); 645 extern void execute_ipa_summary_passes (ipa_opt_pass_d *); 646 extern void execute_all_ipa_transforms (bool); 647 extern void execute_all_ipa_stmt_fixups (struct cgraph_node *, gimple **); 648 extern bool pass_init_dump_file (opt_pass *); 649 extern void pass_fini_dump_file (opt_pass *); 650 extern void emergency_dump_function (void); 651 652 extern void print_current_pass (FILE *); 653 extern void debug_pass (void); 654 extern void ipa_write_summaries (void); 655 extern void ipa_write_optimization_summaries (struct lto_symtab_encoder_d *); 656 extern void ipa_read_summaries (void); 657 extern void ipa_read_optimization_summaries (void); 658 extern void register_one_dump_file (opt_pass *); 659 extern bool function_called_by_processed_nodes_p (void); 660 661 /* Declare for plugins. */ 662 extern void do_per_function_toporder (void (*) (function *, void *), void *); 663 664 extern void disable_pass (const char *); 665 extern void enable_pass (const char *); 666 extern void dump_passes (void); 667 668 #endif /* GCC_TREE_PASS_H */ 669