gcc/passes.def

   1 /* Description of pass structure
   2    Copyright (C) 1987-2016 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_build_cfg);
  43   NEXT_PASS (pass_warn_function_return);
  44   NEXT_PASS (pass_expand_omp);
  45   NEXT_PASS (pass_build_cgraph_edges);
  46   NEXT_PASS (pass_sprintf_length, false);
  47   NEXT_PASS (pass_walloca, /*strict_mode_p=*/true);
  48   TERMINATE_PASS_LIST (all_lowering_passes)
  49
  50   /* Interprocedural optimization passes.  */
  51   INSERT_PASSES_AFTER (all_small_ipa_passes)
  52   NEXT_PASS (pass_ipa_free_lang_data);
  53   NEXT_PASS (pass_ipa_function_and_variable_visibility);
  54   NEXT_PASS (pass_ipa_chkp_versioning);
  55   NEXT_PASS (pass_ipa_chkp_early_produce_thunks);
  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_ubsan);
  62       NEXT_PASS (pass_early_warn_uninitialized);
  63       NEXT_PASS (pass_nothrow);
  64   POP_INSERT_PASSES ()
  65
  66   NEXT_PASS (pass_chkp_instrumentation_passes);
  67   PUSH_INSERT_PASSES_WITHIN (pass_chkp_instrumentation_passes)
  68       NEXT_PASS (pass_fixup_cfg);
  69       NEXT_PASS (pass_chkp);
  70       NEXT_PASS (pass_rebuild_cgraph_edges);
  71   POP_INSERT_PASSES ()
  72
  73   NEXT_PASS (pass_local_optimization_passes);
  74   PUSH_INSERT_PASSES_WITHIN (pass_local_optimization_passes)
  75       NEXT_PASS (pass_fixup_cfg);
  76       NEXT_PASS (pass_rebuild_cgraph_edges);
  77       NEXT_PASS (pass_inline_parameters);
  78       NEXT_PASS (pass_early_inline);
  79       NEXT_PASS (pass_all_early_optimizations);
  80       PUSH_INSERT_PASSES_WITHIN (pass_all_early_optimizations)
  81           NEXT_PASS (pass_remove_cgraph_callee_edges);
  82           NEXT_PASS (pass_object_sizes, true /* insert_min_max_p */);
  83           /* Don't record nonzero bits before IPA to avoid
  84              using too much memory.  */
  85           NEXT_PASS (pass_ccp, false /* nonzero_p */);
  86           /* After CCP we rewrite no longer addressed locals into SSA
  87              form if possible.  */
  88           NEXT_PASS (pass_forwprop);
  89           NEXT_PASS (pass_early_thread_jumps);
  90           NEXT_PASS (pass_sra_early);
  91           /* pass_build_ealias is a dummy pass that ensures that we
  92              execute TODO_rebuild_alias at this point.  */
  93           NEXT_PASS (pass_build_ealias);
  94           NEXT_PASS (pass_fre);
  95           NEXT_PASS (pass_early_vrp);
  96           NEXT_PASS (pass_merge_phi);
  97           NEXT_PASS (pass_dse);
  98           NEXT_PASS (pass_cd_dce);
  99           NEXT_PASS (pass_early_ipa_sra);
 100           NEXT_PASS (pass_tail_recursion);
 101           NEXT_PASS (pass_convert_switch);
 102           NEXT_PASS (pass_cleanup_eh);
 103           NEXT_PASS (pass_profile);
 104           NEXT_PASS (pass_local_pure_const);
 105           /* Split functions creates parts that are not run through
 106              early optimizations again.  It is thus good idea to do this
 107               late.  */
 108           NEXT_PASS (pass_split_functions);
 109       POP_INSERT_PASSES ()
 110       NEXT_PASS (pass_release_ssa_names);
 111       NEXT_PASS (pass_rebuild_cgraph_edges);
 112       NEXT_PASS (pass_inline_parameters);
 113   POP_INSERT_PASSES ()
 114
 115   NEXT_PASS (pass_ipa_oacc);
 116   PUSH_INSERT_PASSES_WITHIN (pass_ipa_oacc)
 117       NEXT_PASS (pass_ipa_pta);
 118       /* Pass group that runs when the function is an offloaded function
 119          containing oacc kernels loops.  */
 120       NEXT_PASS (pass_ipa_oacc_kernels);
 121       PUSH_INSERT_PASSES_WITHIN (pass_ipa_oacc_kernels)
 122           NEXT_PASS (pass_oacc_kernels);
 123           PUSH_INSERT_PASSES_WITHIN (pass_oacc_kernels)
 124               NEXT_PASS (pass_ch);
 125               NEXT_PASS (pass_fre);
 126               /* We use pass_lim to rewrite in-memory iteration and reduction
 127                  variable accesses in loops into local variables accesses.  */
 128               NEXT_PASS (pass_lim);
 129               NEXT_PASS (pass_dominator, false /* may_peel_loop_headers_p */);
 130               NEXT_PASS (pass_dce);
 131               NEXT_PASS (pass_parallelize_loops, true /* oacc_kernels_p */);
 132               NEXT_PASS (pass_expand_omp_ssa);
 133               NEXT_PASS (pass_rebuild_cgraph_edges);
 134           POP_INSERT_PASSES ()
 135       POP_INSERT_PASSES ()
 136   POP_INSERT_PASSES ()
 137
 138   NEXT_PASS (pass_ipa_chkp_produce_thunks);
 139   NEXT_PASS (pass_ipa_auto_profile);
 140   NEXT_PASS (pass_ipa_free_inline_summary);
 141   NEXT_PASS (pass_ipa_tree_profile);
 142   PUSH_INSERT_PASSES_WITHIN (pass_ipa_tree_profile)
 143       NEXT_PASS (pass_feedback_split_functions);
 144   POP_INSERT_PASSES ()
 145   NEXT_PASS (pass_ipa_increase_alignment);
 146   NEXT_PASS (pass_ipa_tm);
 147   NEXT_PASS (pass_ipa_lower_emutls);
 148   TERMINATE_PASS_LIST (all_small_ipa_passes)
 149
 150   INSERT_PASSES_AFTER (all_regular_ipa_passes)
 151   NEXT_PASS (pass_ipa_whole_program_visibility);
 152   NEXT_PASS (pass_ipa_profile);
 153   NEXT_PASS (pass_ipa_icf);
 154   NEXT_PASS (pass_ipa_devirt);
 155   NEXT_PASS (pass_ipa_cp);
 156   NEXT_PASS (pass_ipa_cdtor_merge);
 157   NEXT_PASS (pass_target_clone);
 158   NEXT_PASS (pass_ipa_hsa);
 159   NEXT_PASS (pass_ipa_inline);
 160   NEXT_PASS (pass_ipa_pure_const);
 161   NEXT_PASS (pass_ipa_reference);
 162   /* This pass needs to be scheduled after any IP code duplication.   */
 163   NEXT_PASS (pass_ipa_single_use);
 164   /* Comdat privatization come last, as direct references to comdat local
 165      symbols are not allowed outside of the comdat group.  Privatizing early
 166      would result in missed optimizations due to this restriction.  */
 167   NEXT_PASS (pass_ipa_comdats);
 168   TERMINATE_PASS_LIST (all_regular_ipa_passes)
 169
 170   /* Simple IPA passes executed after the regular passes.  In WHOPR mode the
 171      passes are executed after partitioning and thus see just parts of the
 172      compiled unit.  */
 173   INSERT_PASSES_AFTER (all_late_ipa_passes)
 174   NEXT_PASS (pass_materialize_all_clones);
 175   NEXT_PASS (pass_ipa_pta);
 176   NEXT_PASS (pass_dispatcher_calls);
 177   NEXT_PASS (pass_omp_simd_clone);
 178   TERMINATE_PASS_LIST (all_late_ipa_passes)
 179
 180   /* These passes are run after IPA passes on every function that is being
 181      output to the assembler file.  */
 182   INSERT_PASSES_AFTER (all_passes)
 183   NEXT_PASS (pass_fixup_cfg);
 184   NEXT_PASS (pass_lower_eh_dispatch);
 185   NEXT_PASS (pass_oacc_device_lower);
 186   NEXT_PASS (pass_omp_device_lower);
 187   NEXT_PASS (pass_omp_target_link);
 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);
 194       NEXT_PASS (pass_ccp, true /* nonzero_p */);
 195       /* After CCP we rewrite no longer addressed locals into SSA
 196          form if possible.  */
 197       NEXT_PASS (pass_complete_unrolli);
 198       NEXT_PASS (pass_backprop);
 199       NEXT_PASS (pass_phiprop);
 200       NEXT_PASS (pass_forwprop);
 201       NEXT_PASS (pass_object_sizes, false /* insert_min_max_p */);
 202       /* pass_build_alias is a dummy pass that ensures that we
 203          execute TODO_rebuild_alias at this point.  */
 204       NEXT_PASS (pass_build_alias);
 205       NEXT_PASS (pass_return_slot);
 206       NEXT_PASS (pass_fre);
 207       NEXT_PASS (pass_merge_phi);
 208       NEXT_PASS (pass_thread_jumps);
 209       NEXT_PASS (pass_vrp, true /* warn_array_bounds_p */);
 210       NEXT_PASS (pass_chkp_opt);
 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);
 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       /* At this point the majority of const/copy propagations
 231          are exposed.  Go ahead and identify paths that should never
 232          be executed in a conforming program and isolate those paths.
 233
 234          This will expose more degenerate PHIs in the main path and
 235          expose more PRE/DOM optimization opportunities.  */
 236       NEXT_PASS (pass_isolate_erroneous_paths);
 237       /* The only const/copy propagation opportunities left after
 238          DOM and erroneous path isolation should be due to degenerate PHI nodes.
 239          So rather than run the full propagators, run a specialized pass which
 240          only examines PHIs to discover const/copy propagation
 241          opportunities.  */
 242       NEXT_PASS (pass_phi_only_cprop);
 243       NEXT_PASS (pass_dse);
 244       NEXT_PASS (pass_reassoc, true /* insert_powi_p */);
 245       NEXT_PASS (pass_dce);
 246       NEXT_PASS (pass_forwprop);
 247       NEXT_PASS (pass_phiopt);
 248       NEXT_PASS (pass_ccp, true /* nonzero_p */);
 249       /* After CCP we rewrite no longer addressed locals into SSA
 250          form if possible.  */
 251       NEXT_PASS (pass_cse_sincos);
 252       NEXT_PASS (pass_optimize_bswap);
 253       NEXT_PASS (pass_laddress);
 254       NEXT_PASS (pass_lim);
 255       NEXT_PASS (pass_split_crit_edges);
 256       NEXT_PASS (pass_walloca, false);
 257       NEXT_PASS (pass_pre);
 258       NEXT_PASS (pass_sink_code);
 259       NEXT_PASS (pass_sancov);
 260       NEXT_PASS (pass_asan);
 261       NEXT_PASS (pass_tsan);
 262       NEXT_PASS (pass_dce);
 263       /* Pass group that runs when 1) enabled, 2) there are loops
 264          in the function.  Make sure to run pass_fix_loops before
 265          to discover/remove loops before running the gate function
 266          of pass_tree_loop.  */
 267       NEXT_PASS (pass_fix_loops);
 268       NEXT_PASS (pass_tree_loop);
 269       PUSH_INSERT_PASSES_WITHIN (pass_tree_loop)
 270           NEXT_PASS (pass_tree_loop_init);
 271           NEXT_PASS (pass_tree_unswitch);
 272           NEXT_PASS (pass_scev_cprop);
 273           NEXT_PASS (pass_loop_split);
 274           NEXT_PASS (pass_record_bounds);
 275           NEXT_PASS (pass_loop_distribution);
 276           NEXT_PASS (pass_copy_prop);
 277           NEXT_PASS (pass_graphite);
 278           PUSH_INSERT_PASSES_WITHIN (pass_graphite)
 279               NEXT_PASS (pass_graphite_transforms);
 280               NEXT_PASS (pass_lim);
 281               NEXT_PASS (pass_copy_prop);
 282               NEXT_PASS (pass_dce);
 283           POP_INSERT_PASSES ()
 284           NEXT_PASS (pass_iv_canon);
 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_slp_vectorize);
 298           NEXT_PASS (pass_loop_prefetch);
 299           /* Run IVOPTs after the last pass that uses data-reference analysis
 300              as that doesn't handle TARGET_MEM_REFs.  */
 301           NEXT_PASS (pass_iv_optimize);
 302           NEXT_PASS (pass_lim);
 303           NEXT_PASS (pass_tree_loop_done);
 304       POP_INSERT_PASSES ()
 305       /* Pass group that runs when pass_tree_loop is disabled or there
 306          are no loops in the function.  */
 307       NEXT_PASS (pass_tree_no_loop);
 308       PUSH_INSERT_PASSES_WITHIN (pass_tree_no_loop)
 309           NEXT_PASS (pass_slp_vectorize);
 310       POP_INSERT_PASSES ()
 311       NEXT_PASS (pass_simduid_cleanup);
 312       NEXT_PASS (pass_lower_vector_ssa);
 313       NEXT_PASS (pass_cse_reciprocals);
 314       NEXT_PASS (pass_sprintf_length, true);
 315       NEXT_PASS (pass_reassoc, false /* insert_powi_p */);
 316       NEXT_PASS (pass_strength_reduction);
 317       NEXT_PASS (pass_split_paths);
 318       NEXT_PASS (pass_tracer);
 319       NEXT_PASS (pass_thread_jumps);
 320       NEXT_PASS (pass_dominator, false /* may_peel_loop_headers_p */);
 321       NEXT_PASS (pass_strlen);
 322       NEXT_PASS (pass_thread_jumps);
 323       NEXT_PASS (pass_vrp, false /* warn_array_bounds_p */);
 324       /* The only const/copy propagation opportunities left after
 325          DOM and VRP should be due to degenerate PHI nodes.  So rather than
 326          run the full propagators, run a specialized pass which
 327          only examines PHIs to discover const/copy propagation
 328          opportunities.  */
 329       NEXT_PASS (pass_phi_only_cprop);
 330       NEXT_PASS (pass_dse);
 331       NEXT_PASS (pass_cd_dce);
 332       NEXT_PASS (pass_forwprop);
 333       NEXT_PASS (pass_phiopt);
 334       NEXT_PASS (pass_fold_builtins);
 335       NEXT_PASS (pass_optimize_widening_mul);
 336       NEXT_PASS (pass_store_merging);
 337       NEXT_PASS (pass_tail_calls);
 338       /* If DCE is not run before checking for uninitialized uses,
 339          we may get false warnings (e.g., testsuite/gcc.dg/uninit-5.c).
 340          However, this also causes us to misdiagnose cases that should be
 341          real warnings (e.g., testsuite/gcc.dg/pr18501.c).  */
 342       NEXT_PASS (pass_dce);
 343       /* Split critical edges before late uninit warning to reduce the
 344          number of false positives from it.  */
 345       NEXT_PASS (pass_split_crit_edges);
 346       NEXT_PASS (pass_late_warn_uninitialized);
 347       NEXT_PASS (pass_uncprop);
 348       NEXT_PASS (pass_local_pure_const);
 349   POP_INSERT_PASSES ()
 350   NEXT_PASS (pass_all_optimizations_g);
 351   PUSH_INSERT_PASSES_WITHIN (pass_all_optimizations_g)
 352       NEXT_PASS (pass_remove_cgraph_callee_edges);
 353       NEXT_PASS (pass_strip_predict_hints);
 354       /* Lower remaining pieces of GIMPLE.  */
 355       NEXT_PASS (pass_lower_complex);
 356       NEXT_PASS (pass_lower_vector_ssa);
 357       /* Perform simple scalar cleanup which is constant/copy propagation.  */
 358       NEXT_PASS (pass_ccp, true /* nonzero_p */);
 359       NEXT_PASS (pass_object_sizes);
 360       /* Fold remaining builtins.  */
 361       NEXT_PASS (pass_fold_builtins);
 362       /* Copy propagation also copy-propagates constants, this is necessary
 363          to forward object-size and builtin folding results properly.  */
 364       NEXT_PASS (pass_copy_prop);
 365       NEXT_PASS (pass_dce);
 366       NEXT_PASS (pass_sancov);
 367       NEXT_PASS (pass_asan);
 368       NEXT_PASS (pass_tsan);
 369       /* ???  We do want some kind of loop invariant motion, but we possibly
 370          need to adjust LIM to be more friendly towards preserving accurate
 371          debug information here.  */
 372       /* Split critical edges before late uninit warning to reduce the
 373          number of false positives from it.  */
 374       NEXT_PASS (pass_split_crit_edges);
 375       NEXT_PASS (pass_late_warn_uninitialized);
 376       NEXT_PASS (pass_uncprop);
 377       NEXT_PASS (pass_local_pure_const);
 378   POP_INSERT_PASSES ()
 379   NEXT_PASS (pass_tm_init);
 380   PUSH_INSERT_PASSES_WITHIN (pass_tm_init)
 381       NEXT_PASS (pass_tm_mark);
 382       NEXT_PASS (pass_tm_memopt);
 383       NEXT_PASS (pass_tm_edges);
 384   POP_INSERT_PASSES ()
 385   NEXT_PASS (pass_simduid_cleanup);
 386   NEXT_PASS (pass_vtable_verify);
 387   NEXT_PASS (pass_lower_vaarg);
 388   NEXT_PASS (pass_lower_vector);
 389   NEXT_PASS (pass_lower_complex_O0);
 390   NEXT_PASS (pass_sancov_O0);
 391   NEXT_PASS (pass_asan_O0);
 392   NEXT_PASS (pass_tsan_O0);
 393   NEXT_PASS (pass_sanopt);
 394   NEXT_PASS (pass_cleanup_eh);
 395   NEXT_PASS (pass_lower_resx);
 396   NEXT_PASS (pass_nrv);
 397   NEXT_PASS (pass_cleanup_cfg_post_optimizing);
 398   NEXT_PASS (pass_warn_function_noreturn);
 399   NEXT_PASS (pass_gen_hsail);
 400
 401   NEXT_PASS (pass_expand);
 402
 403   NEXT_PASS (pass_rest_of_compilation);
 404   PUSH_INSERT_PASSES_WITHIN (pass_rest_of_compilation)
 405       NEXT_PASS (pass_instantiate_virtual_regs);
 406       NEXT_PASS (pass_into_cfg_layout_mode);
 407       NEXT_PASS (pass_jump);
 408       NEXT_PASS (pass_lower_subreg);
 409       NEXT_PASS (pass_df_initialize_opt);
 410       NEXT_PASS (pass_cse);
 411       NEXT_PASS (pass_rtl_fwprop);
 412       NEXT_PASS (pass_rtl_cprop);
 413       NEXT_PASS (pass_rtl_pre);
 414       NEXT_PASS (pass_rtl_hoist);
 415       NEXT_PASS (pass_rtl_cprop);
 416       NEXT_PASS (pass_rtl_store_motion);
 417       NEXT_PASS (pass_cse_after_global_opts);
 418       NEXT_PASS (pass_rtl_ifcvt);
 419       NEXT_PASS (pass_reginfo_init);
 420       /* Perform loop optimizations.  It might be better to do them a bit
 421          sooner, but we want the profile feedback to work more
 422          efficiently.  */
 423       NEXT_PASS (pass_loop2);
 424       PUSH_INSERT_PASSES_WITHIN (pass_loop2)
 425           NEXT_PASS (pass_rtl_loop_init);
 426           NEXT_PASS (pass_rtl_move_loop_invariants);
 427           NEXT_PASS (pass_rtl_unroll_loops);
 428           NEXT_PASS (pass_rtl_doloop);
 429           NEXT_PASS (pass_rtl_loop_done);
 430       POP_INSERT_PASSES ()
 431       NEXT_PASS (pass_web);
 432       NEXT_PASS (pass_rtl_cprop);
 433       NEXT_PASS (pass_cse2);
 434       NEXT_PASS (pass_rtl_dse1);
 435       NEXT_PASS (pass_rtl_fwprop_addr);
 436       NEXT_PASS (pass_inc_dec);
 437       NEXT_PASS (pass_initialize_regs);
 438       NEXT_PASS (pass_ud_rtl_dce);
 439       NEXT_PASS (pass_combine);
 440       NEXT_PASS (pass_if_after_combine);
 441       NEXT_PASS (pass_partition_blocks);
 442       NEXT_PASS (pass_outof_cfg_layout_mode);
 443       NEXT_PASS (pass_split_all_insns);
 444       NEXT_PASS (pass_lower_subreg2);
 445       NEXT_PASS (pass_df_initialize_no_opt);
 446       NEXT_PASS (pass_stack_ptr_mod);
 447       NEXT_PASS (pass_mode_switching);
 448       NEXT_PASS (pass_match_asm_constraints);
 449       NEXT_PASS (pass_sms);
 450       NEXT_PASS (pass_live_range_shrinkage);
 451       NEXT_PASS (pass_sched);
 452       NEXT_PASS (pass_ira);
 453       NEXT_PASS (pass_reload);
 454       NEXT_PASS (pass_postreload);
 455       PUSH_INSERT_PASSES_WITHIN (pass_postreload)
 456           NEXT_PASS (pass_postreload_cse);
 457           NEXT_PASS (pass_gcse2);
 458           NEXT_PASS (pass_split_after_reload);
 459           NEXT_PASS (pass_ree);
 460           NEXT_PASS (pass_compare_elim_after_reload);
 461           NEXT_PASS (pass_branch_target_load_optimize1);
 462           NEXT_PASS (pass_thread_prologue_and_epilogue);
 463           NEXT_PASS (pass_rtl_dse2);
 464           NEXT_PASS (pass_stack_adjustments);
 465           NEXT_PASS (pass_jump2);
 466           NEXT_PASS (pass_duplicate_computed_gotos);
 467           NEXT_PASS (pass_sched_fusion);
 468           NEXT_PASS (pass_peephole2);
 469           NEXT_PASS (pass_if_after_reload);
 470           NEXT_PASS (pass_regrename);
 471           NEXT_PASS (pass_cprop_hardreg);
 472           NEXT_PASS (pass_fast_rtl_dce);
 473           NEXT_PASS (pass_reorder_blocks);
 474           NEXT_PASS (pass_branch_target_load_optimize2);
 475           NEXT_PASS (pass_leaf_regs);
 476           NEXT_PASS (pass_split_before_sched2);
 477           NEXT_PASS (pass_sched2);
 478           NEXT_PASS (pass_stack_regs);
 479           PUSH_INSERT_PASSES_WITHIN (pass_stack_regs)
 480               NEXT_PASS (pass_split_before_regstack);
 481               NEXT_PASS (pass_stack_regs_run);
 482           POP_INSERT_PASSES ()
 483       POP_INSERT_PASSES ()
 484       NEXT_PASS (pass_late_compilation);
 485       PUSH_INSERT_PASSES_WITHIN (pass_late_compilation)
 486           NEXT_PASS (pass_compute_alignments);
 487           NEXT_PASS (pass_variable_tracking);
 488           NEXT_PASS (pass_free_cfg);
 489           NEXT_PASS (pass_machine_reorg);
 490           NEXT_PASS (pass_cleanup_barriers);
 491           NEXT_PASS (pass_delay_slots);
 492           NEXT_PASS (pass_split_for_shorten_branches);
 493           NEXT_PASS (pass_convert_to_eh_region_ranges);
 494           NEXT_PASS (pass_shorten_branches);
 495           NEXT_PASS (pass_set_nothrow_function_flags);
 496           NEXT_PASS (pass_dwarf2_frame);
 497           NEXT_PASS (pass_final);
 498       POP_INSERT_PASSES ()
 499       NEXT_PASS (pass_df_finish);
 500   POP_INSERT_PASSES ()
 501   NEXT_PASS (pass_clean_state);
 502   TERMINATE_PASS_LIST (all_passes)