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* tree-parloops.c: New file.
[thirdparty/gcc.git] / gcc / tree-pass.h
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4ee9c684 1/* Definitions for describing one tree-ssa optimization pass.
1a6a0f2a 2 Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
4ee9c684 3 Contributed by Richard Henderson <rth@redhat.com>
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
8c4c00c1 9the Free Software Foundation; either version 3, or (at your option)
4ee9c684 10any later version.
11
12GCC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
8c4c00c1 18along with GCC; see the file COPYING3. If not see
19<http://www.gnu.org/licenses/>. */
4ee9c684 20
21
22#ifndef GCC_TREE_PASS_H
23#define GCC_TREE_PASS_H 1
24
77fce4cd 25/* In tree-dump.c */
26
27/* Different tree dump places. When you add new tree dump places,
28 extend the DUMP_FILES array in tree-dump.c. */
29enum tree_dump_index
30{
31 TDI_none, /* No dump */
6354626c 32 TDI_cgraph, /* dump function call graph. */
77fce4cd 33 TDI_tu, /* dump the whole translation unit. */
34 TDI_class, /* dump class hierarchy. */
35 TDI_original, /* dump each function before optimizing it */
36 TDI_generic, /* dump each function after genericizing it */
37 TDI_nested, /* dump each function after unnesting it */
38 TDI_inlined, /* dump each function after inlining
39 within it. */
40 TDI_vcg, /* create a VCG graph file for each
41 function's flowgraph. */
42 TDI_tree_all, /* enable all the GENERIC/GIMPLE dumps. */
43 TDI_rtl_all, /* enable all the RTL dumps. */
44 TDI_ipa_all, /* enable all the IPA dumps. */
45
77fce4cd 46 TDI_end
47};
48
49/* Bit masks to control dumping. Not all values are applicable to
50 all dumps. Add new ones at the end. When you define new
51 values, extend the DUMP_OPTIONS array in tree-dump.c */
52#define TDF_ADDRESS (1 << 0) /* dump node addresses */
53#define TDF_SLIM (1 << 1) /* don't go wild following links */
54#define TDF_RAW (1 << 2) /* don't unparse the function */
55#define TDF_DETAILS (1 << 3) /* show more detailed info about
56 each pass */
57#define TDF_STATS (1 << 4) /* dump various statistics about
58 each pass */
59#define TDF_BLOCKS (1 << 5) /* display basic block boundaries */
60#define TDF_VOPS (1 << 6) /* display virtual operands */
61#define TDF_LINENO (1 << 7) /* display statement line numbers */
62#define TDF_UID (1 << 8) /* display decl UIDs */
63
64#define TDF_TREE (1 << 9) /* is a tree dump */
65#define TDF_RTL (1 << 10) /* is a RTL dump */
66#define TDF_IPA (1 << 11) /* is an IPA dump */
67#define TDF_STMTADDR (1 << 12) /* Address of stmt. */
68
5f0ef107 69#define TDF_GRAPH (1 << 13) /* a graph dump is being emitted */
4fb5e5ca 70#define TDF_MEMSYMS (1 << 14) /* display memory symbols in expr.
71 Implies TDF_VOPS. */
5f0ef107 72
b4c01899 73#define TDF_DIAGNOSTIC (1 << 15) /* A dump to be put in a diagnostic
74 message. */
75
77fce4cd 76extern char *get_dump_file_name (enum tree_dump_index);
77extern int dump_enabled_p (enum tree_dump_index);
78extern int dump_initialized_p (enum tree_dump_index);
79extern FILE *dump_begin (enum tree_dump_index, int *);
80extern void dump_end (enum tree_dump_index, FILE *);
9f627b1a 81extern void dump_node (const_tree, int, FILE *);
77fce4cd 82extern int dump_switch_p (const char *);
83extern const char *dump_flag_name (enum tree_dump_index);
84
4ee9c684 85/* Global variables used to communicate with passes. */
86extern FILE *dump_file;
87extern int dump_flags;
0f9005dd 88extern const char *dump_file_name;
4ee9c684 89
0f9005dd 90/* Return the dump_file_info for the given phase. */
91extern struct dump_file_info *get_dump_file_info (enum tree_dump_index);
92
4ee9c684 93/* Describe one pass. */
94struct tree_opt_pass
95{
96 /* Terse name of the pass used as a fragment of the dump file name. */
97 const char *name;
98
99 /* If non-null, this pass and all sub-passes are executed only if
100 the function returns true. */
101 bool (*gate) (void);
102
103 /* This is the code to run. If null, then there should be sub-passes
2a1990e9 104 otherwise this pass does nothing. The return value contains
105 TODOs to execute in addition to those in TODO_flags_finish. */
106 unsigned int (*execute) (void);
4ee9c684 107
108 /* A list of sub-passes to run, dependent on gate predicate. */
109 struct tree_opt_pass *sub;
110
111 /* Next in the list of passes to run, independent of gate predicate. */
112 struct tree_opt_pass *next;
113
114 /* Static pass number, used as a fragment of the dump file name. */
865a4105 115 int static_pass_number;
4ee9c684 116
117 /* The timevar id associated with this pass. */
118 /* ??? Ideally would be dynamically assigned. */
119 unsigned int tv_id;
120
121 /* Sets of properties input and output from this pass. */
122 unsigned int properties_required;
123 unsigned int properties_provided;
124 unsigned int properties_destroyed;
125
126 /* Flags indicating common sets things to do before and after. */
127 unsigned int todo_flags_start;
128 unsigned int todo_flags_finish;
0f9005dd 129
130 /* Letter for RTL dumps. */
131 char letter;
132};
133
134/* Define a tree dump switch. */
135struct dump_file_info
136{
137 const char *suffix; /* suffix to give output file. */
138 const char *swtch; /* command line switch */
53907817 139 const char *glob; /* command line glob */
0f9005dd 140 int flags; /* user flags */
141 int state; /* state of play */
142 int num; /* dump file number */
143 int letter; /* enabling letter for RTL dumps */
4ee9c684 144};
145
146/* Pass properties. */
147#define PROP_gimple_any (1 << 0) /* entire gimple grammar */
148#define PROP_gimple_lcf (1 << 1) /* lowered control flow */
149#define PROP_gimple_leh (1 << 2) /* lowered eh */
150#define PROP_cfg (1 << 3)
151#define PROP_referenced_vars (1 << 4)
b1b7c0c4 152#define PROP_ssa (1 << 5)
153#define PROP_no_crit_edges (1 << 6)
154#define PROP_rtl (1 << 7)
155#define PROP_alias (1 << 8)
156#define PROP_gimple_lomp (1 << 9) /* lowered OpenMP directives */
5290ebdb 157
158#define PROP_trees \
6354626c 159 (PROP_gimple_any | PROP_gimple_lcf | PROP_gimple_leh | PROP_gimple_lomp)
4ee9c684 160
161/* To-do flags. */
88dbf20f 162#define TODO_dump_func (1 << 0)
163#define TODO_ggc_collect (1 << 1)
164#define TODO_verify_ssa (1 << 2)
165#define TODO_verify_flow (1 << 3)
166#define TODO_verify_stmts (1 << 4)
167#define TODO_cleanup_cfg (1 << 5)
168#define TODO_verify_loops (1 << 6)
f1e2a033 169#define TODO_dump_cgraph (1 << 7)
f37a5008 170#define TODO_remove_functions (1 << 8)
4ae20857 171#define TODO_rebuild_frequencies (1 << 9)
0806b508 172#define TODO_verify_rtl_sharing (1 << 10)
88dbf20f 173
174/* To-do flags for calls to update_ssa. */
175
176/* Update the SSA form inserting PHI nodes for newly exposed symbols
177 and virtual names marked for updating. When updating real names,
178 only insert PHI nodes for a real name O_j in blocks reached by all
179 the new and old definitions for O_j. If the iterated dominance
180 frontier for O_j is not pruned, we may end up inserting PHI nodes
181 in blocks that have one or more edges with no incoming definition
182 for O_j. This would lead to uninitialized warnings for O_j's
183 symbol. */
0806b508 184#define TODO_update_ssa (1 << 11)
88dbf20f 185
186/* Update the SSA form without inserting any new PHI nodes at all.
187 This is used by passes that have either inserted all the PHI nodes
188 themselves or passes that need only to patch use-def and def-def
189 chains for virtuals (e.g., DCE). */
0806b508 190#define TODO_update_ssa_no_phi (1 << 12)
88dbf20f 191
442e3cb9 192/* Insert PHI nodes everywhere they are needed. No pruning of the
88dbf20f 193 IDF is done. This is used by passes that need the PHI nodes for
194 O_j even if it means that some arguments will come from the default
195 definition of O_j's symbol (e.g., pass_linear_transform).
196
197 WARNING: If you need to use this flag, chances are that your pass
198 may be doing something wrong. Inserting PHI nodes for an old name
199 where not all edges carry a new replacement may lead to silent
200 codegen errors or spurious uninitialized warnings. */
0806b508 201#define TODO_update_ssa_full_phi (1 << 13)
88dbf20f 202
203/* Passes that update the SSA form on their own may want to delegate
204 the updating of virtual names to the generic updater. Since FUD
205 chains are easier to maintain, this simplifies the work they need
206 to do. NOTE: If this flag is used, any OLD->NEW mappings for real
207 names are explicitly destroyed and only the symbols marked for
208 renaming are processed. */
0806b508 209#define TODO_update_ssa_only_virtuals (1 << 14)
88dbf20f 210
db22d3cc 211/* Some passes leave unused local variables that can be removed from
212 cfun->unexpanded_var_list. This reduces the size of dump files and
213 the memory footprint for VAR_DECLs. */
0806b508 214#define TODO_remove_unused_locals (1 << 15)
db22d3cc 215
6354626c 216/* Internally used for the first in a sequence of passes. It is set
217 for the passes that are handed to register_dump_files. */
0806b508 218#define TODO_set_props (1 << 16)
6354626c 219
3072d30e 220/* Call df_finish at the end of the pass. This is done after all of
221 the dumpers have been allowed to run so that they have access to
222 the instance before it is destroyed. */
0806b508 223#define TODO_df_finish (1 << 17)
3072d30e 224
314966f4 225/* Call df_verify at the end of the pass if checking is enabled. */
0806b508 226#define TODO_df_verify (1 << 18)
314966f4 227
7e0311ae 228/* Internally used for the first instance of a pass. */
0806b508 229#define TODO_mark_first_instance (1 << 19)
7e0311ae 230
b1b7c0c4 231/* Rebuild aliasing info. */
0806b508 232#define TODO_rebuild_alias (1 << 20)
b1b7c0c4 233
88dbf20f 234#define TODO_update_ssa_any \
235 (TODO_update_ssa \
236 | TODO_update_ssa_no_phi \
237 | TODO_update_ssa_full_phi \
238 | TODO_update_ssa_only_virtuals)
4ee9c684 239
240#define TODO_verify_all \
241 (TODO_verify_ssa | TODO_verify_flow | TODO_verify_stmts)
242
e27482aa 243extern void tree_lowering_passes (tree decl);
f1e2a033 244
4ee9c684 245extern struct tree_opt_pass pass_mudflap_1;
246extern struct tree_opt_pass pass_mudflap_2;
247extern struct tree_opt_pass pass_remove_useless_stmts;
248extern struct tree_opt_pass pass_lower_cf;
249extern struct tree_opt_pass pass_lower_eh;
250extern struct tree_opt_pass pass_build_cfg;
251extern struct tree_opt_pass pass_tree_profile;
9e0baf4d 252extern struct tree_opt_pass pass_early_tree_profile;
77fce4cd 253extern struct tree_opt_pass pass_cleanup_cfg;
4ee9c684 254extern struct tree_opt_pass pass_referenced_vars;
4ee9c684 255extern struct tree_opt_pass pass_sra;
1f0a4df8 256extern struct tree_opt_pass pass_sra_early;
4ee9c684 257extern struct tree_opt_pass pass_tail_recursion;
258extern struct tree_opt_pass pass_tail_calls;
0526a3ff 259extern struct tree_opt_pass pass_tree_loop;
260extern struct tree_opt_pass pass_tree_loop_init;
7d23383d 261extern struct tree_opt_pass pass_lim;
0526a3ff 262extern struct tree_opt_pass pass_tree_unswitch;
ad4a85ad 263extern struct tree_opt_pass pass_predcom;
bb445479 264extern struct tree_opt_pass pass_iv_canon;
10fec820 265extern struct tree_opt_pass pass_scev_cprop;
8feba661 266extern struct tree_opt_pass pass_empty_loop;
41fc6ce4 267extern struct tree_opt_pass pass_record_bounds;
07c03fb0 268extern struct tree_opt_pass pass_if_conversion;
c91e8223 269extern struct tree_opt_pass pass_vectorize;
bb445479 270extern struct tree_opt_pass pass_complete_unroll;
28c92cbb 271extern struct tree_opt_pass pass_parallelize_loops;
b30560de 272extern struct tree_opt_pass pass_loop_prefetch;
dec41e98 273extern struct tree_opt_pass pass_iv_optimize;
0526a3ff 274extern struct tree_opt_pass pass_tree_loop_done;
4ee9c684 275extern struct tree_opt_pass pass_ch;
276extern struct tree_opt_pass pass_ccp;
d1d2af7d 277extern struct tree_opt_pass pass_phi_only_cprop;
4ee9c684 278extern struct tree_opt_pass pass_build_ssa;
279extern struct tree_opt_pass pass_del_ssa;
280extern struct tree_opt_pass pass_dominator;
281extern struct tree_opt_pass pass_dce;
78eb8231 282extern struct tree_opt_pass pass_dce_loop;
4ee9c684 283extern struct tree_opt_pass pass_cd_dce;
9cd34e71 284extern struct tree_opt_pass pass_merge_phi;
4ee9c684 285extern struct tree_opt_pass pass_split_crit_edges;
286extern struct tree_opt_pass pass_pre;
287extern struct tree_opt_pass pass_profile;
50c96bdc 288extern struct tree_opt_pass pass_lower_complex_O0;
0501cacc 289extern struct tree_opt_pass pass_lower_complex;
290extern struct tree_opt_pass pass_lower_vector;
83e2a11b 291extern struct tree_opt_pass pass_lower_vector_ssa;
1e8e9920 292extern struct tree_opt_pass pass_lower_omp;
773c5ba7 293extern struct tree_opt_pass pass_expand_omp;
79acaae1 294extern struct tree_opt_pass pass_expand_omp_ssa;
0a39fd54 295extern struct tree_opt_pass pass_object_sizes;
4ee9c684 296extern struct tree_opt_pass pass_fold_builtins;
a6c787e5 297extern struct tree_opt_pass pass_stdarg;
4ee9c684 298extern struct tree_opt_pass pass_early_warn_uninitialized;
299extern struct tree_opt_pass pass_late_warn_uninitialized;
429f2f90 300extern struct tree_opt_pass pass_cse_reciprocals;
a0315874 301extern struct tree_opt_pass pass_cse_sincos;
e174638f 302extern struct tree_opt_pass pass_convert_to_rsqrt;
4ee9c684 303extern struct tree_opt_pass pass_warn_function_return;
73d5fb10 304extern struct tree_opt_pass pass_warn_function_noreturn;
e6d0e152 305extern struct tree_opt_pass pass_cselim;
4ee9c684 306extern struct tree_opt_pass pass_phiopt;
307extern struct tree_opt_pass pass_forwprop;
37361b38 308extern struct tree_opt_pass pass_phiprop;
8530c7be 309extern struct tree_opt_pass pass_tree_ifcombine;
4ee9c684 310extern struct tree_opt_pass pass_dse;
83cfcdaf 311extern struct tree_opt_pass pass_simple_dse;
4ee9c684 312extern struct tree_opt_pass pass_nrv;
9e45f419 313extern struct tree_opt_pass pass_mark_used_blocks;
4ee9c684 314extern struct tree_opt_pass pass_rename_ssa_copies;
5290ebdb 315extern struct tree_opt_pass pass_expand;
316extern struct tree_opt_pass pass_rest_of_compilation;
5e733b02 317extern struct tree_opt_pass pass_sink_code;
591c2a30 318extern struct tree_opt_pass pass_fre;
60cfcb79 319extern struct tree_opt_pass pass_linear_transform;
355572cc 320extern struct tree_opt_pass pass_check_data_deps;
88dbf20f 321extern struct tree_opt_pass pass_copy_prop;
322extern struct tree_opt_pass pass_store_ccp;
323extern struct tree_opt_pass pass_store_copy_prop;
324extern struct tree_opt_pass pass_vrp;
2be14d8b 325extern struct tree_opt_pass pass_create_structure_vars;
5f718c29 326extern struct tree_opt_pass pass_uncprop;
ea523851 327extern struct tree_opt_pass pass_return_slot;
3dec5460 328extern struct tree_opt_pass pass_reassoc;
9e0baf4d 329extern struct tree_opt_pass pass_rebuild_cgraph_edges;
e7c352d1 330extern struct tree_opt_pass pass_build_cgraph_edges;
604eef2c 331extern struct tree_opt_pass pass_reset_cc_flags;
4ee9c684 332
3dec5460 333/* IPA Passes */
604cde73 334extern struct tree_opt_pass pass_ipa_matrix_reorg;
c5235c0b 335extern struct tree_opt_pass pass_ipa_cp;
f1e2a033 336extern struct tree_opt_pass pass_ipa_inline;
09a2e412 337extern struct tree_opt_pass pass_ipa_early_inline;
f7d118a9 338extern struct tree_opt_pass pass_ipa_reference;
339extern struct tree_opt_pass pass_ipa_pure_const;
340extern struct tree_opt_pass pass_ipa_type_escape;
db026f5c 341extern struct tree_opt_pass pass_ipa_pta;
77fce4cd 342extern struct tree_opt_pass pass_early_local_passes;
f37a5008 343extern struct tree_opt_pass pass_ipa_increase_alignment;
344extern struct tree_opt_pass pass_ipa_function_and_variable_visibility;
77fce4cd 345
346extern struct tree_opt_pass pass_all_optimizations;
347extern struct tree_opt_pass pass_cleanup_cfg_post_optimizing;
348extern struct tree_opt_pass pass_free_cfg_annotations;
349extern struct tree_opt_pass pass_free_datastructures;
350extern struct tree_opt_pass pass_init_datastructures;
351extern struct tree_opt_pass pass_fixup_cfg;
352
77fce4cd 353extern struct tree_opt_pass pass_init_function;
354extern struct tree_opt_pass pass_jump;
77fce4cd 355extern struct tree_opt_pass pass_rtl_eh;
356extern struct tree_opt_pass pass_initial_value_sets;
357extern struct tree_opt_pass pass_unshare_all_rtl;
358extern struct tree_opt_pass pass_instantiate_virtual_regs;
42a3a38b 359extern struct tree_opt_pass pass_rtl_fwprop;
360extern struct tree_opt_pass pass_rtl_fwprop_addr;
77fce4cd 361extern struct tree_opt_pass pass_jump2;
1a6a0f2a 362extern struct tree_opt_pass pass_lower_subreg;
77fce4cd 363extern struct tree_opt_pass pass_cse;
3072d30e 364extern struct tree_opt_pass pass_fast_rtl_dce;
365extern struct tree_opt_pass pass_ud_rtl_dce;
366extern struct tree_opt_pass pass_rtl_dce;
367extern struct tree_opt_pass pass_rtl_dse1;
368extern struct tree_opt_pass pass_rtl_dse2;
369extern struct tree_opt_pass pass_rtl_dse3;
77fce4cd 370extern struct tree_opt_pass pass_gcse;
77fce4cd 371extern struct tree_opt_pass pass_jump_bypass;
77fce4cd 372extern struct tree_opt_pass pass_profiling;
373extern struct tree_opt_pass pass_rtl_ifcvt;
374extern struct tree_opt_pass pass_tracer;
0526a3ff 375
154480b1 376extern struct tree_opt_pass pass_into_cfg_layout_mode;
377extern struct tree_opt_pass pass_outof_cfg_layout_mode;
378
77fce4cd 379extern struct tree_opt_pass pass_loop2;
0526a3ff 380extern struct tree_opt_pass pass_rtl_loop_init;
381extern struct tree_opt_pass pass_rtl_move_loop_invariants;
382extern struct tree_opt_pass pass_rtl_unswitch;
383extern struct tree_opt_pass pass_rtl_unroll_and_peel_loops;
384extern struct tree_opt_pass pass_rtl_doloop;
385extern struct tree_opt_pass pass_rtl_loop_done;
386
77fce4cd 387extern struct tree_opt_pass pass_web;
388extern struct tree_opt_pass pass_cse2;
3072d30e 389extern struct tree_opt_pass pass_df_initialize_opt;
390extern struct tree_opt_pass pass_df_initialize_no_opt;
391extern struct tree_opt_pass pass_regclass_init;
392extern struct tree_opt_pass pass_subregs_of_mode_init;
393extern struct tree_opt_pass pass_subregs_of_mode_finish;
394extern struct tree_opt_pass pass_inc_dec;
3072d30e 395extern struct tree_opt_pass pass_stack_ptr_mod;
396extern struct tree_opt_pass pass_initialize_regs;
77fce4cd 397extern struct tree_opt_pass pass_combine;
398extern struct tree_opt_pass pass_if_after_combine;
399extern struct tree_opt_pass pass_partition_blocks;
9dc6d5bb 400extern struct tree_opt_pass pass_match_asm_constraints;
77fce4cd 401extern struct tree_opt_pass pass_regmove;
402extern struct tree_opt_pass pass_split_all_insns;
1a6a0f2a 403extern struct tree_opt_pass pass_lower_subreg2;
77fce4cd 404extern struct tree_opt_pass pass_mode_switching;
2b74c150 405extern struct tree_opt_pass pass_see;
77fce4cd 406extern struct tree_opt_pass pass_sms;
407extern struct tree_opt_pass pass_sched;
408extern struct tree_opt_pass pass_local_alloc;
409extern struct tree_opt_pass pass_global_alloc;
410extern struct tree_opt_pass pass_postreload;
411extern struct tree_opt_pass pass_clean_state;
412extern struct tree_opt_pass pass_branch_prob;
413extern struct tree_opt_pass pass_value_profile_transformations;
77fce4cd 414extern struct tree_opt_pass pass_postreload_cse;
415extern struct tree_opt_pass pass_gcse2;
3072d30e 416extern struct tree_opt_pass pass_split_after_reload;
417extern struct tree_opt_pass pass_branch_target_load_optimize1;
418extern struct tree_opt_pass pass_thread_prologue_and_epilogue;
77fce4cd 419extern struct tree_opt_pass pass_stack_adjustments;
420extern struct tree_opt_pass pass_peephole2;
421extern struct tree_opt_pass pass_if_after_reload;
422extern struct tree_opt_pass pass_regrename;
3072d30e 423extern struct tree_opt_pass pass_cprop_hardreg;
77fce4cd 424extern struct tree_opt_pass pass_reorder_blocks;
3072d30e 425extern struct tree_opt_pass pass_branch_target_load_optimize2;
77fce4cd 426extern struct tree_opt_pass pass_leaf_regs;
3072d30e 427extern struct tree_opt_pass pass_split_before_sched2;
77fce4cd 428extern struct tree_opt_pass pass_sched2;
429extern struct tree_opt_pass pass_stack_regs;
3072d30e 430extern struct tree_opt_pass pass_stack_regs_run;
431extern struct tree_opt_pass pass_df_finish;
77fce4cd 432extern struct tree_opt_pass pass_compute_alignments;
433extern struct tree_opt_pass pass_duplicate_computed_gotos;
434extern struct tree_opt_pass pass_variable_tracking;
435extern struct tree_opt_pass pass_free_cfg;
436extern struct tree_opt_pass pass_machine_reorg;
77fce4cd 437extern struct tree_opt_pass pass_cleanup_barriers;
438extern struct tree_opt_pass pass_delay_slots;
439extern struct tree_opt_pass pass_split_for_shorten_branches;
440extern struct tree_opt_pass pass_split_before_regstack;
441extern struct tree_opt_pass pass_convert_to_eh_region_ranges;
442extern struct tree_opt_pass pass_shorten_branches;
443extern struct tree_opt_pass pass_set_nothrow_function_flags;
444extern struct tree_opt_pass pass_final;
89140b26 445extern struct tree_opt_pass pass_rtl_seqabstr;
49290934 446extern struct tree_opt_pass pass_release_ssa_names;
09a2e412 447extern struct tree_opt_pass pass_early_inline;
448extern struct tree_opt_pass pass_inline_parameters;
449extern struct tree_opt_pass pass_apply_inline;
450extern struct tree_opt_pass pass_all_early_optimizations;
83cfcdaf 451extern struct tree_opt_pass pass_update_address_taken;
77fce4cd 452
453/* The root of the compilation pass tree, once constructed. */
454extern struct tree_opt_pass *all_passes, *all_ipa_passes, *all_lowering_passes;
455
456extern void execute_pass_list (struct tree_opt_pass *);
457extern void execute_ipa_pass_list (struct tree_opt_pass *);
3072d30e 458extern void print_current_pass (FILE *);
459extern void debug_pass (void);
f1e2a033 460
7e0311ae 461/* Set to true if the pass is called the first time during compilation of the
462 current function. Note that using this information in the optimization
463 passes is considered not to be clean, and it should be avoided if possible.
464 This flag is currently used to prevent loops from being peeled repeatedly
465 in jump threading; it will be removed once we preserve loop structures
466 throughout the compilation -- we will be able to mark the affected loops
467 directly in jump threading, and avoid peeling them next time. */
468extern bool first_pass_instance;
469
4ee9c684 470#endif /* GCC_TREE_PASS_H */
Mirror of https://gcc.gnu.org/git/gcc.git