gcc/passes.def

   1 /* Description of pass structure
   2    Copyright (C) 1987-2020 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   6 GCC is free software; you can redistribute it and/or modify it under
   7 the terms of the GNU General Public License as published by the Free
   8 Software Foundation; either version 3, or (at your option) any later
   9 version.
  10
  11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14 for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GCC; see the file COPYING3.  If not see
  18 <http://www.gnu.org/licenses/>.  */
  19
  20 /*
  21  Macros that should be defined when using this file:
  22    INSERT_PASSES_AFTER (PASS)
  23    PUSH_INSERT_PASSES_WITHIN (PASS)
  24    POP_INSERT_PASSES ()
  25    NEXT_PASS (PASS)
  26    TERMINATE_PASS_LIST (PASS)
  27  */
  28
  29  /* All passes needed to lower the function into shape optimizers can
  30     operate on.  These passes are always run first on the function, but
  31     backend might produce already lowered functions that are not processed
  32     by these passes.  */
  33   INSERT_PASSES_AFTER (all_lowering_passes)
  34   NEXT_PASS (pass_warn_unused_result);
  35   NEXT_PASS (pass_diagnose_omp_blocks);
  36   NEXT_PASS (pass_diagnose_tm_blocks);
  37   NEXT_PASS (pass_lower_omp);
  38   NEXT_PASS (pass_lower_cf);
  39   NEXT_PASS (pass_lower_tm);
  40   NEXT_PASS (pass_refactor_eh);
  41   NEXT_PASS (pass_lower_eh);
  42   NEXT_PASS (pass_coroutine_lower_builtins);
  43   NEXT_PASS (pass_build_cfg);
  44   NEXT_PASS (pass_warn_function_return);
  45   NEXT_PASS (pass_coroutine_early_expand_ifns);
  46   NEXT_PASS (pass_expand_omp);
  47   NEXT_PASS (pass_warn_printf);
  48   NEXT_PASS (pass_walloca, /*strict_mode_p=*/true);
  49   NEXT_PASS (pass_build_cgraph_edges);
  50   TERMINATE_PASS_LIST (all_lowering_passes)
  51
  52   /* Interprocedural optimization passes.  */
  53   INSERT_PASSES_AFTER (all_small_ipa_passes)
  54   NEXT_PASS (pass_ipa_free_lang_data);
  55   NEXT_PASS (pass_ipa_function_and_variable_visibility);
  56   NEXT_PASS (pass_build_ssa_passes);
  57   PUSH_INSERT_PASSES_WITHIN (pass_build_ssa_passes)
  58       NEXT_PASS (pass_fixup_cfg);
  59       NEXT_PASS (pass_build_ssa);
  60       NEXT_PASS (pass_warn_nonnull_compare);
  61       NEXT_PASS (pass_early_warn_uninitialized);
  62       NEXT_PASS (pass_ubsan);
  63       NEXT_PASS (pass_nothrow);
  64       NEXT_PASS (pass_rebuild_cgraph_edges);
  65   POP_INSERT_PASSES ()
  66
  67   NEXT_PASS (pass_local_optimization_passes);
  68   PUSH_INSERT_PASSES_WITHIN (pass_local_optimization_passes)
  69       NEXT_PASS (pass_fixup_cfg);
  70       NEXT_PASS (pass_rebuild_cgraph_edges);
  71       NEXT_PASS (pass_local_fn_summary);
  72       NEXT_PASS (pass_early_inline);
  73       NEXT_PASS (pass_all_early_optimizations);
  74       PUSH_INSERT_PASSES_WITHIN (pass_all_early_optimizations)
  75           NEXT_PASS (pass_remove_cgraph_callee_edges);
  76           NEXT_PASS (pass_object_sizes, true /* insert_min_max_p */);
  77           /* Don't record nonzero bits before IPA to avoid
  78              using too much memory.  */
  79           NEXT_PASS (pass_ccp, false /* nonzero_p */);
  80           /* After CCP we rewrite no longer addressed locals into SSA
  81              form if possible.  */
  82           NEXT_PASS (pass_forwprop);
  83           NEXT_PASS (pass_early_thread_jumps);
  84           NEXT_PASS (pass_sra_early);
  85           /* pass_build_ealias is a dummy pass that ensures that we
  86              execute TODO_rebuild_alias at this point.  */
  87           NEXT_PASS (pass_build_ealias);
  88           NEXT_PASS (pass_fre, true /* may_iterate */);
  89           NEXT_PASS (pass_early_vrp);
  90           NEXT_PASS (pass_merge_phi);
  91           NEXT_PASS (pass_dse);
  92           NEXT_PASS (pass_cd_dce);
  93           NEXT_PASS (pass_phiopt, true /* early_p */);
  94           NEXT_PASS (pass_modref);
  95           NEXT_PASS (pass_tail_recursion);
  96           NEXT_PASS (pass_convert_switch);
  97           NEXT_PASS (pass_cleanup_eh);
  98           NEXT_PASS (pass_profile);
  99           NEXT_PASS (pass_local_pure_const);
 100           /* Split functions creates parts that are not run through
 101              early optimizations again.  It is thus good idea to do this
 102               late.  */
 103           NEXT_PASS (pass_split_functions);
 104           NEXT_PASS (pass_strip_predict_hints, true /* early_p */);
 105       POP_INSERT_PASSES ()
 106       NEXT_PASS (pass_release_ssa_names);
 107       NEXT_PASS (pass_rebuild_cgraph_edges);
 108       NEXT_PASS (pass_local_fn_summary);
 109   POP_INSERT_PASSES ()
 110
 111   NEXT_PASS (pass_ipa_remove_symbols);
 112   NEXT_PASS (pass_ipa_oacc);
 113   PUSH_INSERT_PASSES_WITHIN (pass_ipa_oacc)
 114       NEXT_PASS (pass_ipa_pta);
 115       /* Pass group that runs when the function is an offloaded function
 116          containing oacc kernels loops.  */
 117       NEXT_PASS (pass_ipa_oacc_kernels);
 118       PUSH_INSERT_PASSES_WITHIN (pass_ipa_oacc_kernels)
 119           NEXT_PASS (pass_oacc_kernels);
 120           PUSH_INSERT_PASSES_WITHIN (pass_oacc_kernels)
 121               NEXT_PASS (pass_ch);
 122               NEXT_PASS (pass_fre, true /* may_iterate */);
 123               /* We use pass_lim to rewrite in-memory iteration and reduction
 124                  variable accesses in loops into local variables accesses.  */
 125               NEXT_PASS (pass_lim);
 126               NEXT_PASS (pass_dominator, false /* may_peel_loop_headers_p */);
 127               NEXT_PASS (pass_dce);
 128               NEXT_PASS (pass_parallelize_loops, true /* oacc_kernels_p */);
 129               NEXT_PASS (pass_expand_omp_ssa);
 130               NEXT_PASS (pass_rebuild_cgraph_edges);
 131           POP_INSERT_PASSES ()
 132       POP_INSERT_PASSES ()
 133   POP_INSERT_PASSES ()
 134
 135   NEXT_PASS (pass_target_clone);
 136   NEXT_PASS (pass_ipa_auto_profile);
 137   NEXT_PASS (pass_ipa_tree_profile);
 138   PUSH_INSERT_PASSES_WITHIN (pass_ipa_tree_profile)
 139       NEXT_PASS (pass_feedback_split_functions);
 140   POP_INSERT_PASSES ()
 141   NEXT_PASS (pass_ipa_free_fn_summary, true /* small_p */);
 142   NEXT_PASS (pass_ipa_increase_alignment);
 143   NEXT_PASS (pass_ipa_tm);
 144   NEXT_PASS (pass_ipa_lower_emutls);
 145   TERMINATE_PASS_LIST (all_small_ipa_passes)
 146
 147   INSERT_PASSES_AFTER (all_regular_ipa_passes)
 148   NEXT_PASS (pass_analyzer);
 149   NEXT_PASS (pass_ipa_odr);
 150   NEXT_PASS (pass_ipa_whole_program_visibility);
 151   NEXT_PASS (pass_ipa_profile);
 152   NEXT_PASS (pass_ipa_icf);
 153   NEXT_PASS (pass_ipa_devirt);
 154   NEXT_PASS (pass_ipa_cp);
 155   NEXT_PASS (pass_ipa_sra);
 156   NEXT_PASS (pass_ipa_cdtor_merge);
 157   NEXT_PASS (pass_ipa_fn_summary);
 158   NEXT_PASS (pass_ipa_inline);
 159   NEXT_PASS (pass_ipa_pure_const);
 160   NEXT_PASS (pass_ipa_modref);
 161   NEXT_PASS (pass_ipa_free_fn_summary, false /* small_p */);
 162   NEXT_PASS (pass_ipa_reference);
 163   /* This pass needs to be scheduled after any IP code duplication.   */
 164   NEXT_PASS (pass_ipa_single_use);
 165   /* Comdat privatization come last, as direct references to comdat local
 166      symbols are not allowed outside of the comdat group.  Privatizing early
 167      would result in missed optimizations due to this restriction.  */
 168   NEXT_PASS (pass_ipa_comdats);
 169   TERMINATE_PASS_LIST (all_regular_ipa_passes)
 170
 171   /* Simple IPA passes executed after the regular passes.  In WHOPR mode the
 172      passes are executed after partitioning and thus see just parts of the
 173      compiled unit.  */
 174   INSERT_PASSES_AFTER (all_late_ipa_passes)
 175   NEXT_PASS (pass_ipa_pta);
 176   NEXT_PASS (pass_omp_simd_clone);
 177   TERMINATE_PASS_LIST (all_late_ipa_passes)
 178
 179   /* These passes are run after IPA passes on every function that is being
 180      output to the assembler file.  */
 181   INSERT_PASSES_AFTER (all_passes)
 182   NEXT_PASS (pass_fixup_cfg);
 183   NEXT_PASS (pass_lower_eh_dispatch);
 184   NEXT_PASS (pass_oacc_device_lower);
 185   NEXT_PASS (pass_omp_device_lower);
 186   NEXT_PASS (pass_omp_target_link);
 187   NEXT_PASS (pass_adjust_alignment);
 188   NEXT_PASS (pass_all_optimizations);
 189   PUSH_INSERT_PASSES_WITHIN (pass_all_optimizations)
 190       NEXT_PASS (pass_remove_cgraph_callee_edges);
 191       /* Initial scalar cleanups before alias computation.
 192          They ensure memory accesses are not indirect wherever possible.  */
 193       NEXT_PASS (pass_strip_predict_hints, false /* early_p */);
 194       NEXT_PASS (pass_ccp, true /* nonzero_p */);
 195       NEXT_PASS (pass_post_ipa_warn);
 196       /* After CCP we rewrite no longer addressed locals into SSA
 197          form if possible.  */
 198       NEXT_PASS (pass_complete_unrolli);
 199       NEXT_PASS (pass_backprop);
 200       NEXT_PASS (pass_phiprop);
 201       NEXT_PASS (pass_forwprop);
 202       NEXT_PASS (pass_object_sizes, false /* insert_min_max_p */);
 203       /* pass_build_alias is a dummy pass that ensures that we
 204          execute TODO_rebuild_alias at this point.  */
 205       NEXT_PASS (pass_build_alias);
 206       NEXT_PASS (pass_return_slot);
 207       NEXT_PASS (pass_fre, true /* may_iterate */);
 208       NEXT_PASS (pass_merge_phi);
 209       NEXT_PASS (pass_thread_jumps);
 210       NEXT_PASS (pass_vrp, true /* warn_array_bounds_p */);
 211       NEXT_PASS (pass_dce);
 212       NEXT_PASS (pass_stdarg);
 213       NEXT_PASS (pass_call_cdce);
 214       NEXT_PASS (pass_cselim);
 215       NEXT_PASS (pass_copy_prop);
 216       NEXT_PASS (pass_tree_ifcombine);
 217       NEXT_PASS (pass_merge_phi);
 218       NEXT_PASS (pass_phiopt, false /* early_p */);
 219       NEXT_PASS (pass_tail_recursion);
 220       NEXT_PASS (pass_ch);
 221       NEXT_PASS (pass_lower_complex);
 222       NEXT_PASS (pass_sra);
 223       /* The dom pass will also resolve all __builtin_constant_p calls
 224          that are still there to 0.  This has to be done after some
 225          propagations have already run, but before some more dead code
 226          is removed, and this place fits nicely.  Remember this when
 227          trying to move or duplicate pass_dominator somewhere earlier.  */
 228       NEXT_PASS (pass_thread_jumps);
 229       NEXT_PASS (pass_dominator, true /* may_peel_loop_headers_p */);
 230       /* Threading can leave many const/copy propagations in the IL.
 231          Clean them up.  Failure to do so well can lead to false
 232          positives from warnings for erroneous code.  */
 233       NEXT_PASS (pass_copy_prop);
 234       /* Identify paths that should never be executed in a conforming
 235          program and isolate those paths.  */
 236       NEXT_PASS (pass_isolate_erroneous_paths);
 237       NEXT_PASS (pass_dse);
 238       NEXT_PASS (pass_reassoc, true /* insert_powi_p */);
 239       NEXT_PASS (pass_dce);
 240       NEXT_PASS (pass_forwprop);
 241       NEXT_PASS (pass_phiopt, false /* early_p */);
 242       NEXT_PASS (pass_ccp, true /* nonzero_p */);
 243       /* After CCP we rewrite no longer addressed locals into SSA
 244          form if possible.  */
 245       NEXT_PASS (pass_cse_sincos);
 246       NEXT_PASS (pass_optimize_bswap);
 247       NEXT_PASS (pass_laddress);
 248       NEXT_PASS (pass_lim);
 249       NEXT_PASS (pass_walloca, false);
 250       NEXT_PASS (pass_pre);
 251       NEXT_PASS (pass_sink_code);
 252       NEXT_PASS (pass_sancov);
 253       NEXT_PASS (pass_asan);
 254       NEXT_PASS (pass_tsan);
 255       NEXT_PASS (pass_dce);
 256       /* Pass group that runs when 1) enabled, 2) there are loops
 257          in the function.  Make sure to run pass_fix_loops before
 258          to discover/remove loops before running the gate function
 259          of pass_tree_loop.  */
 260       NEXT_PASS (pass_fix_loops);
 261       NEXT_PASS (pass_tree_loop);
 262       PUSH_INSERT_PASSES_WITHIN (pass_tree_loop)
 263           /* Before loop_init we rewrite no longer addressed locals into SSA
 264              form if possible.  */
 265           NEXT_PASS (pass_tree_loop_init);
 266           NEXT_PASS (pass_tree_unswitch);
 267           NEXT_PASS (pass_scev_cprop);
 268           NEXT_PASS (pass_loop_split);
 269           NEXT_PASS (pass_loop_versioning);
 270           NEXT_PASS (pass_loop_jam);
 271           /* All unswitching, final value replacement and splitting can expose
 272              empty loops.  Remove them now.  */
 273           NEXT_PASS (pass_cd_dce);
 274           NEXT_PASS (pass_iv_canon);
 275           NEXT_PASS (pass_loop_distribution);
 276           NEXT_PASS (pass_linterchange);
 277           NEXT_PASS (pass_copy_prop);
 278           NEXT_PASS (pass_graphite);
 279           PUSH_INSERT_PASSES_WITHIN (pass_graphite)
 280               NEXT_PASS (pass_graphite_transforms);
 281               NEXT_PASS (pass_lim);
 282               NEXT_PASS (pass_copy_prop);
 283               NEXT_PASS (pass_dce);
 284           POP_INSERT_PASSES ()
 285           NEXT_PASS (pass_parallelize_loops, false /* oacc_kernels_p */);
 286           NEXT_PASS (pass_expand_omp_ssa);
 287           NEXT_PASS (pass_ch_vect);
 288           NEXT_PASS (pass_if_conversion);
 289           /* pass_vectorize must immediately follow pass_if_conversion.
 290              Please do not add any other passes in between.  */
 291           NEXT_PASS (pass_vectorize);
 292           PUSH_INSERT_PASSES_WITHIN (pass_vectorize)
 293               NEXT_PASS (pass_dce);
 294           POP_INSERT_PASSES ()
 295           NEXT_PASS (pass_predcom);
 296           NEXT_PASS (pass_complete_unroll);
 297           NEXT_PASS (pass_pre_slp_scalar_cleanup);
 298           PUSH_INSERT_PASSES_WITHIN (pass_pre_slp_scalar_cleanup)
 299               NEXT_PASS (pass_fre, false /* may_iterate */);
 300               NEXT_PASS (pass_dse);
 301           POP_INSERT_PASSES ()
 302           NEXT_PASS (pass_slp_vectorize);
 303           NEXT_PASS (pass_loop_prefetch);
 304           /* Run IVOPTs after the last pass that uses data-reference analysis
 305              as that doesn't handle TARGET_MEM_REFs.  */
 306           NEXT_PASS (pass_iv_optimize);
 307           NEXT_PASS (pass_lim);
 308           NEXT_PASS (pass_tree_loop_done);
 309       POP_INSERT_PASSES ()
 310       /* Pass group that runs when pass_tree_loop is disabled or there
 311          are no loops in the function.  */
 312       NEXT_PASS (pass_tree_no_loop);
 313       PUSH_INSERT_PASSES_WITHIN (pass_tree_no_loop)
 314           NEXT_PASS (pass_slp_vectorize);
 315       POP_INSERT_PASSES ()
 316       NEXT_PASS (pass_simduid_cleanup);
 317       NEXT_PASS (pass_lower_vector_ssa);
 318       NEXT_PASS (pass_lower_switch);
 319       NEXT_PASS (pass_cse_reciprocals);
 320       NEXT_PASS (pass_reassoc, false /* insert_powi_p */);
 321       NEXT_PASS (pass_strength_reduction);
 322       NEXT_PASS (pass_split_paths);
 323       NEXT_PASS (pass_tracer);
 324       NEXT_PASS (pass_fre, false /* may_iterate */);
 325       /* After late FRE we rewrite no longer addressed locals into SSA
 326          form if possible.  */
 327       NEXT_PASS (pass_thread_jumps);
 328       NEXT_PASS (pass_dominator, false /* may_peel_loop_headers_p */);
 329       NEXT_PASS (pass_strlen);
 330       NEXT_PASS (pass_thread_jumps);
 331       NEXT_PASS (pass_vrp, false /* warn_array_bounds_p */);
 332       /* Threading can leave many const/copy propagations in the IL.
 333          Clean them up.  */
 334       NEXT_PASS (pass_copy_prop);
 335       NEXT_PASS (pass_warn_restrict);
 336       NEXT_PASS (pass_dse);
 337       NEXT_PASS (pass_cd_dce);
 338       NEXT_PASS (pass_forwprop);
 339       NEXT_PASS (pass_phiopt, false /* early_p */);
 340       NEXT_PASS (pass_fold_builtins);
 341       NEXT_PASS (pass_optimize_widening_mul);
 342       NEXT_PASS (pass_store_merging);
 343       NEXT_PASS (pass_tail_calls);
 344       /* If DCE is not run before checking for uninitialized uses,
 345          we may get false warnings (e.g., testsuite/gcc.dg/uninit-5.c).
 346          However, this also causes us to misdiagnose cases that should be
 347          real warnings (e.g., testsuite/gcc.dg/pr18501.c).  */
 348       NEXT_PASS (pass_dce);
 349       /* Split critical edges before late uninit warning to reduce the
 350          number of false positives from it.  */
 351       NEXT_PASS (pass_split_crit_edges);
 352       NEXT_PASS (pass_late_warn_uninitialized);
 353       NEXT_PASS (pass_uncprop);
 354       NEXT_PASS (pass_local_pure_const);
 355       NEXT_PASS (pass_modref);
 356   POP_INSERT_PASSES ()
 357   NEXT_PASS (pass_all_optimizations_g);
 358   PUSH_INSERT_PASSES_WITHIN (pass_all_optimizations_g)
 359       NEXT_PASS (pass_remove_cgraph_callee_edges);
 360       NEXT_PASS (pass_strip_predict_hints, false /* early_p */);
 361       /* Lower remaining pieces of GIMPLE.  */
 362       NEXT_PASS (pass_lower_complex);
 363       NEXT_PASS (pass_lower_vector_ssa);
 364       NEXT_PASS (pass_lower_switch);
 365       /* Perform simple scalar cleanup which is constant/copy propagation.  */
 366       NEXT_PASS (pass_ccp, true /* nonzero_p */);
 367       NEXT_PASS (pass_post_ipa_warn);
 368       NEXT_PASS (pass_object_sizes);
 369       /* Fold remaining builtins.  */
 370       NEXT_PASS (pass_fold_builtins);
 371       NEXT_PASS (pass_strlen);
 372       /* Copy propagation also copy-propagates constants, this is necessary
 373          to forward object-size and builtin folding results properly.  */
 374       NEXT_PASS (pass_copy_prop);
 375       NEXT_PASS (pass_dce);
 376       NEXT_PASS (pass_sancov);
 377       NEXT_PASS (pass_asan);
 378       NEXT_PASS (pass_tsan);
 379       /* ???  We do want some kind of loop invariant motion, but we possibly
 380          need to adjust LIM to be more friendly towards preserving accurate
 381          debug information here.  */
 382       /* Split critical edges before late uninit warning to reduce the
 383          number of false positives from it.  */
 384       NEXT_PASS (pass_split_crit_edges);
 385       NEXT_PASS (pass_late_warn_uninitialized);
 386       NEXT_PASS (pass_uncprop);
 387       NEXT_PASS (pass_local_pure_const);
 388       NEXT_PASS (pass_modref);
 389   POP_INSERT_PASSES ()
 390   NEXT_PASS (pass_tm_init);
 391   PUSH_INSERT_PASSES_WITHIN (pass_tm_init)
 392       NEXT_PASS (pass_tm_mark);
 393       NEXT_PASS (pass_tm_memopt);
 394       NEXT_PASS (pass_tm_edges);
 395   POP_INSERT_PASSES ()
 396   NEXT_PASS (pass_simduid_cleanup);
 397   NEXT_PASS (pass_vtable_verify);
 398   NEXT_PASS (pass_lower_vaarg);
 399   NEXT_PASS (pass_lower_vector);
 400   NEXT_PASS (pass_lower_complex_O0);
 401   NEXT_PASS (pass_sancov_O0);
 402   NEXT_PASS (pass_lower_switch_O0);
 403   NEXT_PASS (pass_asan_O0);
 404   NEXT_PASS (pass_tsan_O0);
 405   NEXT_PASS (pass_sanopt);
 406   NEXT_PASS (pass_cleanup_eh);
 407   NEXT_PASS (pass_lower_resx);
 408   NEXT_PASS (pass_nrv);
 409   NEXT_PASS (pass_gimple_isel);
 410   NEXT_PASS (pass_cleanup_cfg_post_optimizing);
 411   NEXT_PASS (pass_warn_function_noreturn);
 412
 413   NEXT_PASS (pass_expand);
 414
 415   NEXT_PASS (pass_rest_of_compilation);
 416   PUSH_INSERT_PASSES_WITHIN (pass_rest_of_compilation)
 417       NEXT_PASS (pass_instantiate_virtual_regs);
 418       NEXT_PASS (pass_into_cfg_layout_mode);
 419       NEXT_PASS (pass_jump);
 420       NEXT_PASS (pass_lower_subreg);
 421       NEXT_PASS (pass_df_initialize_opt);
 422       NEXT_PASS (pass_cse);
 423       NEXT_PASS (pass_rtl_fwprop);
 424       NEXT_PASS (pass_rtl_cprop);
 425       NEXT_PASS (pass_rtl_pre);
 426       NEXT_PASS (pass_rtl_hoist);
 427       NEXT_PASS (pass_rtl_cprop);
 428       NEXT_PASS (pass_rtl_store_motion);
 429       NEXT_PASS (pass_cse_after_global_opts);
 430       NEXT_PASS (pass_rtl_ifcvt);
 431       NEXT_PASS (pass_reginfo_init);
 432       /* Perform loop optimizations.  It might be better to do them a bit
 433          sooner, but we want the profile feedback to work more
 434          efficiently.  */
 435       NEXT_PASS (pass_loop2);
 436       PUSH_INSERT_PASSES_WITHIN (pass_loop2)
 437           NEXT_PASS (pass_rtl_loop_init);
 438           NEXT_PASS (pass_rtl_move_loop_invariants);
 439           NEXT_PASS (pass_rtl_unroll_loops);
 440           NEXT_PASS (pass_rtl_doloop);
 441           NEXT_PASS (pass_rtl_loop_done);
 442       POP_INSERT_PASSES ()
 443       NEXT_PASS (pass_lower_subreg2);
 444       NEXT_PASS (pass_web);
 445       NEXT_PASS (pass_rtl_cprop);
 446       NEXT_PASS (pass_cse2);
 447       NEXT_PASS (pass_rtl_dse1);
 448       NEXT_PASS (pass_rtl_fwprop_addr);
 449       NEXT_PASS (pass_inc_dec);
 450       NEXT_PASS (pass_initialize_regs);
 451       NEXT_PASS (pass_ud_rtl_dce);
 452       NEXT_PASS (pass_combine);
 453       NEXT_PASS (pass_if_after_combine);
 454       NEXT_PASS (pass_jump_after_combine);
 455       NEXT_PASS (pass_partition_blocks);
 456       NEXT_PASS (pass_outof_cfg_layout_mode);
 457       NEXT_PASS (pass_split_all_insns);
 458       NEXT_PASS (pass_lower_subreg3);
 459       NEXT_PASS (pass_df_initialize_no_opt);
 460       NEXT_PASS (pass_stack_ptr_mod);
 461       NEXT_PASS (pass_mode_switching);
 462       NEXT_PASS (pass_match_asm_constraints);
 463       NEXT_PASS (pass_sms);
 464       NEXT_PASS (pass_live_range_shrinkage);
 465       NEXT_PASS (pass_sched);
 466       NEXT_PASS (pass_early_remat);
 467       NEXT_PASS (pass_ira);
 468       NEXT_PASS (pass_reload);
 469       NEXT_PASS (pass_postreload);
 470       PUSH_INSERT_PASSES_WITHIN (pass_postreload)
 471           NEXT_PASS (pass_postreload_cse);
 472           NEXT_PASS (pass_gcse2);
 473           NEXT_PASS (pass_split_after_reload);
 474           NEXT_PASS (pass_ree);
 475           NEXT_PASS (pass_compare_elim_after_reload);
 476           NEXT_PASS (pass_thread_prologue_and_epilogue);
 477           NEXT_PASS (pass_rtl_dse2);
 478           NEXT_PASS (pass_stack_adjustments);
 479           NEXT_PASS (pass_jump2);
 480           NEXT_PASS (pass_duplicate_computed_gotos);
 481           NEXT_PASS (pass_sched_fusion);
 482           NEXT_PASS (pass_peephole2);
 483           NEXT_PASS (pass_if_after_reload);
 484           NEXT_PASS (pass_regrename);
 485           NEXT_PASS (pass_cprop_hardreg);
 486           NEXT_PASS (pass_fast_rtl_dce);
 487           NEXT_PASS (pass_reorder_blocks);
 488           NEXT_PASS (pass_leaf_regs);
 489           NEXT_PASS (pass_split_before_sched2);
 490           NEXT_PASS (pass_sched2);
 491           NEXT_PASS (pass_stack_regs);
 492           PUSH_INSERT_PASSES_WITHIN (pass_stack_regs)
 493               NEXT_PASS (pass_split_before_regstack);
 494               NEXT_PASS (pass_stack_regs_run);
 495           POP_INSERT_PASSES ()
 496       POP_INSERT_PASSES ()
 497       NEXT_PASS (pass_late_compilation);
 498       PUSH_INSERT_PASSES_WITHIN (pass_late_compilation)
 499           NEXT_PASS (pass_zero_call_used_regs);
 500           NEXT_PASS (pass_compute_alignments);
 501           NEXT_PASS (pass_variable_tracking);
 502           NEXT_PASS (pass_free_cfg);
 503           NEXT_PASS (pass_machine_reorg);
 504           NEXT_PASS (pass_cleanup_barriers);
 505           NEXT_PASS (pass_delay_slots);
 506           NEXT_PASS (pass_split_for_shorten_branches);
 507           NEXT_PASS (pass_convert_to_eh_region_ranges);
 508           NEXT_PASS (pass_shorten_branches);
 509           NEXT_PASS (pass_set_nothrow_function_flags);
 510           NEXT_PASS (pass_dwarf2_frame);
 511           NEXT_PASS (pass_final);
 512       POP_INSERT_PASSES ()
 513       NEXT_PASS (pass_df_finish);
 514   POP_INSERT_PASSES ()
 515   NEXT_PASS (pass_clean_state);
 516   TERMINATE_PASS_LIST (all_passes)