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f6db1481 | 1 | /* Top level of GCC compilers (cc1, cc1plus, etc.) |
5624e564 | 2 | Copyright (C) 1987-2015 Free Software Foundation, Inc. |
f6db1481 RH |
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 | |
9dcd6f09 | 8 | Software Foundation; either version 3, or (at your option) any later |
f6db1481 RH |
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 | |
9dcd6f09 NC |
17 | along with GCC; see the file COPYING3. If not see |
18 | <http://www.gnu.org/licenses/>. */ | |
f6db1481 RH |
19 | |
20 | /* This is the top level of cc1/c++. | |
21 | It parses command args, opens files, invokes the various passes | |
22 | in the proper order, and counts the time used by each. | |
23 | Error messages and low-level interface to malloc also handled here. */ | |
24 | ||
25 | #include "config.h" | |
f6db1481 RH |
26 | #include "system.h" |
27 | #include "coretypes.h" | |
c7131fb2 | 28 | #include "backend.h" |
9fdcd34e | 29 | #include "cfghooks.h" |
f6db1481 | 30 | #include "tree.h" |
c7131fb2 AM |
31 | #include "gimple.h" |
32 | #include "rtl.h" | |
33 | #include "df.h" | |
34 | #include "ssa.h" | |
35 | #include "alias.h" | |
40e23961 | 36 | #include "fold-const.h" |
d8a2d370 | 37 | #include "varasm.h" |
f6db1481 RH |
38 | #include "tm_p.h" |
39 | #include "flags.h" | |
40 | #include "insn-attr.h" | |
41 | #include "insn-config.h" | |
42 | #include "insn-flags.h" | |
f6db1481 RH |
43 | #include "recog.h" |
44 | #include "output.h" | |
45 | #include "except.h" | |
f6db1481 | 46 | #include "toplev.h" |
36566b39 PK |
47 | #include "expmed.h" |
48 | #include "dojump.h" | |
49 | #include "explow.h" | |
50 | #include "calls.h" | |
51 | #include "emit-rtl.h" | |
52 | #include "stmt.h" | |
f6db1481 | 53 | #include "expr.h" |
f6db1481 | 54 | #include "intl.h" |
f6db1481 | 55 | #include "graph.h" |
f6db1481 | 56 | #include "regs.h" |
1da2ed5f | 57 | #include "diagnostic-core.h" |
f6db1481 RH |
58 | #include "params.h" |
59 | #include "reload.h" | |
f6db1481 RH |
60 | #include "debug.h" |
61 | #include "target.h" | |
62 | #include "langhooks.h" | |
f6db1481 RH |
63 | #include "cfgloop.h" |
64 | #include "hosthooks.h" | |
f6db1481 RH |
65 | #include "opts.h" |
66 | #include "coverage.h" | |
67 | #include "value-prof.h" | |
ef330312 | 68 | #include "tree-inline.h" |
2fb9a547 | 69 | #include "internal-fn.h" |
442b4905 | 70 | #include "tree-cfg.h" |
e28030cf | 71 | #include "tree-ssa-loop-manip.h" |
442b4905 AM |
72 | #include "tree-into-ssa.h" |
73 | #include "tree-dfa.h" | |
7a300452 | 74 | #include "tree-ssa.h" |
2f8e398b | 75 | #include "tree-pass.h" |
9f8628ba | 76 | #include "tree-dump.h" |
c582198b | 77 | #include "cgraph.h" |
d7f09764 | 78 | #include "lto-streamer.h" |
090fa0ab | 79 | #include "plugin.h" |
af8bca3c | 80 | #include "ipa-utils.h" |
6f4185d7 | 81 | #include "tree-pretty-print.h" /* for dump_function_header */ |
315f8c0e DM |
82 | #include "context.h" |
83 | #include "pass_manager.h" | |
e677a9d4 | 84 | #include "cfgrtl.h" |
c1bf2a39 | 85 | #include "tree-ssa-live.h" /* For remove_unused_locals. */ |
4484a35a | 86 | #include "tree-cfgcleanup.h" |
dc0ccbb3 | 87 | #include "tree-ssanames.h" |
315f8c0e DM |
88 | |
89 | using namespace gcc; | |
f6db1481 | 90 | |
6fb5fa3c | 91 | /* This is used for debugging. It allows the current pass to printed |
090fa0ab GF |
92 | from anywhere in compilation. |
93 | The variable current_pass is also used for statistics and plugins. */ | |
6a5ac314 | 94 | opt_pass *current_pass; |
6fb5fa3c | 95 | |
6a5ac314 | 96 | static void register_pass_name (opt_pass *, const char *); |
226c52aa | 97 | |
f7695dbf DM |
98 | /* Most passes are single-instance (within their context) and thus don't |
99 | need to implement cloning, but passes that support multiple instances | |
100 | *must* provide their own implementation of the clone method. | |
101 | ||
102 | Handle this by providing a default implemenation, but make it a fatal | |
103 | error to call it. */ | |
104 | ||
105 | opt_pass * | |
106 | opt_pass::clone () | |
107 | { | |
108 | internal_error ("pass %s does not support cloning", name); | |
109 | } | |
110 | ||
111 | bool | |
1a3d085c | 112 | opt_pass::gate (function *) |
f7695dbf DM |
113 | { |
114 | return true; | |
115 | } | |
116 | ||
117 | unsigned int | |
be55bfe6 | 118 | opt_pass::execute (function *) |
f7695dbf DM |
119 | { |
120 | return 0; | |
121 | } | |
122 | ||
c3284718 RS |
123 | opt_pass::opt_pass (const pass_data &data, context *ctxt) |
124 | : pass_data (data), | |
125 | sub (NULL), | |
126 | next (NULL), | |
127 | static_pass_number (0), | |
65d3284b | 128 | m_ctxt (ctxt) |
f7695dbf DM |
129 | { |
130 | } | |
131 | ||
132 | ||
133 | void | |
134 | pass_manager::execute_early_local_passes () | |
135 | { | |
d5e254e1 | 136 | execute_pass_list (cfun, pass_build_ssa_passes_1->sub); |
2bb9e67f RB |
137 | if (flag_check_pointer_bounds) |
138 | execute_pass_list (cfun, pass_chkp_instrumentation_passes_1->sub); | |
d5e254e1 | 139 | execute_pass_list (cfun, pass_local_optimization_passes_1->sub); |
f7695dbf DM |
140 | } |
141 | ||
142 | unsigned int | |
143 | pass_manager::execute_pass_mode_switching () | |
144 | { | |
be55bfe6 | 145 | return pass_mode_switching_1->execute (cfun); |
f7695dbf DM |
146 | } |
147 | ||
148 | ||
6fb5fa3c DB |
149 | /* Call from anywhere to find out what pass this is. Useful for |
150 | printing out debugging information deep inside an service | |
151 | routine. */ | |
152 | void | |
153 | print_current_pass (FILE *file) | |
154 | { | |
155 | if (current_pass) | |
b8698a0f | 156 | fprintf (file, "current pass = %s (%d)\n", |
6fb5fa3c DB |
157 | current_pass->name, current_pass->static_pass_number); |
158 | else | |
159 | fprintf (file, "no current pass.\n"); | |
160 | } | |
161 | ||
162 | ||
163 | /* Call from the debugger to get the current pass name. */ | |
24e47c76 | 164 | DEBUG_FUNCTION void |
6fb5fa3c DB |
165 | debug_pass (void) |
166 | { | |
167 | print_current_pass (stderr); | |
b8698a0f | 168 | } |
6fb5fa3c DB |
169 | |
170 | ||
171 | ||
ef330312 | 172 | /* Global variables used to communicate with passes. */ |
ef330312 | 173 | bool in_gimple_form; |
b02b9b53 | 174 | bool first_pass_instance; |
f6db1481 | 175 | |
f6db1481 RH |
176 | |
177 | /* This is called from various places for FUNCTION_DECL, VAR_DECL, | |
178 | and TYPE_DECL nodes. | |
179 | ||
180 | This does nothing for local (non-static) variables, unless the | |
0e6df31e GK |
181 | variable is a register variable with DECL_ASSEMBLER_NAME set. In |
182 | that case, or if the variable is not an automatic, it sets up the | |
183 | RTL and outputs any assembler code (label definition, storage | |
184 | allocation and initialization). | |
f6db1481 | 185 | |
0e6df31e | 186 | DECL is the declaration. TOP_LEVEL is nonzero |
f6db1481 RH |
187 | if this declaration is not within a function. */ |
188 | ||
189 | void | |
190 | rest_of_decl_compilation (tree decl, | |
f6db1481 RH |
191 | int top_level, |
192 | int at_end) | |
193 | { | |
24fcf4bc JJ |
194 | bool finalize = true; |
195 | ||
f6db1481 RH |
196 | /* We deferred calling assemble_alias so that we could collect |
197 | other attributes such as visibility. Emit the alias now. */ | |
6e701822 | 198 | if (!in_lto_p) |
f6db1481 RH |
199 | { |
200 | tree alias; | |
201 | alias = lookup_attribute ("alias", DECL_ATTRIBUTES (decl)); | |
202 | if (alias) | |
203 | { | |
204 | alias = TREE_VALUE (TREE_VALUE (alias)); | |
205 | alias = get_identifier (TREE_STRING_POINTER (alias)); | |
f7fb2880 RG |
206 | /* A quirk of the initial implementation of aliases required that the |
207 | user add "extern" to all of them. Which is silly, but now | |
208 | historical. Do note that the symbol is in fact locally defined. */ | |
08346abd JH |
209 | DECL_EXTERNAL (decl) = 0; |
210 | TREE_STATIC (decl) = 1; | |
f6db1481 | 211 | assemble_alias (decl, alias); |
24fcf4bc | 212 | finalize = false; |
f6db1481 RH |
213 | } |
214 | } | |
215 | ||
0e6df31e GK |
216 | /* Can't defer this, because it needs to happen before any |
217 | later function definitions are processed. */ | |
820cc88f | 218 | if (DECL_ASSEMBLER_NAME_SET_P (decl) && DECL_REGISTER (decl)) |
0e6df31e GK |
219 | make_decl_rtl (decl); |
220 | ||
f6db1481 RH |
221 | /* Forward declarations for nested functions are not "external", |
222 | but we need to treat them as if they were. */ | |
223 | if (TREE_STATIC (decl) || DECL_EXTERNAL (decl) | |
224 | || TREE_CODE (decl) == FUNCTION_DECL) | |
225 | { | |
226 | timevar_push (TV_VARCONST); | |
227 | ||
f6db1481 RH |
228 | /* Don't output anything when a tentative file-scope definition |
229 | is seen. But at end of compilation, do output code for them. | |
230 | ||
7e8b322a | 231 | We do output all variables and rely on |
f6db1481 RH |
232 | callgraph code to defer them except for forward declarations |
233 | (see gcc.c-torture/compile/920624-1.c) */ | |
234 | if ((at_end | |
235 | || !DECL_DEFER_OUTPUT (decl) | |
cd9c7bd2 | 236 | || DECL_INITIAL (decl)) |
0d6bf48c | 237 | && (TREE_CODE (decl) != VAR_DECL || !DECL_HAS_VALUE_EXPR_P (decl)) |
f6db1481 RH |
238 | && !DECL_EXTERNAL (decl)) |
239 | { | |
2942c502 JH |
240 | /* When reading LTO unit, we also read varpool, so do not |
241 | rebuild it. */ | |
242 | if (in_lto_p && !at_end) | |
243 | ; | |
24fcf4bc | 244 | else if (finalize && TREE_CODE (decl) != FUNCTION_DECL) |
9041d2e6 | 245 | varpool_node::finalize_decl (decl); |
f6db1481 RH |
246 | } |
247 | ||
248 | #ifdef ASM_FINISH_DECLARE_OBJECT | |
249 | if (decl == last_assemble_variable_decl) | |
250 | { | |
251 | ASM_FINISH_DECLARE_OBJECT (asm_out_file, decl, | |
252 | top_level, at_end); | |
253 | } | |
254 | #endif | |
255 | ||
63b0cb04 CB |
256 | /* Now that we have activated any function-specific attributes |
257 | that might affect function decl, particularly align, relayout it. */ | |
258 | if (TREE_CODE (decl) == FUNCTION_DECL) | |
259 | targetm.target_option.relayout_function (decl); | |
260 | ||
f6db1481 RH |
261 | timevar_pop (TV_VARCONST); |
262 | } | |
ef11c839 SB |
263 | else if (TREE_CODE (decl) == TYPE_DECL |
264 | /* Like in rest_of_type_compilation, avoid confusing the debug | |
265 | information machinery when there are errors. */ | |
1da2ed5f | 266 | && !seen_error ()) |
f6db1481 RH |
267 | { |
268 | timevar_push (TV_SYMOUT); | |
269 | debug_hooks->type_decl (decl, !top_level); | |
270 | timevar_pop (TV_SYMOUT); | |
271 | } | |
e4d5432a | 272 | |
aabcd309 | 273 | /* Let cgraph know about the existence of variables. */ |
2942c502 JH |
274 | if (in_lto_p && !at_end) |
275 | ; | |
a482b1f5 JH |
276 | else if (TREE_CODE (decl) == VAR_DECL && !DECL_EXTERNAL (decl) |
277 | && TREE_STATIC (decl)) | |
9041d2e6 | 278 | varpool_node::get_create (decl); |
d7438551 AH |
279 | |
280 | /* Generate early debug for global variables. Any local variables will | |
281 | be handled by either handling reachable functions from | |
282 | finalize_compilation_unit (and by consequence, locally scoped | |
283 | symbols), or by rest_of_type_compilation below. | |
284 | ||
285 | Also, pick up function prototypes, which will be mostly ignored | |
286 | by the different early_global_decl() hooks, but will at least be | |
287 | used by Go's hijack of the debug_hooks to implement | |
288 | -fdump-go-spec. */ | |
289 | if (!in_lto_p | |
290 | && (TREE_CODE (decl) != FUNCTION_DECL | |
291 | /* This will pick up function prototypes with no bodies, | |
292 | which are not visible in finalize_compilation_unit() | |
293 | while iterating with FOR_EACH_*_FUNCTION through the | |
294 | symbol table. */ | |
295 | || !DECL_SAVED_TREE (decl)) | |
296 | ||
297 | /* We need to check both decl_function_context and | |
298 | current_function_decl here to make sure local extern | |
299 | declarations end up with the correct context. | |
300 | ||
301 | For local extern declarations, decl_function_context is | |
302 | empty, but current_function_decl is set to the function where | |
303 | the extern was declared . Without the check for | |
304 | !current_function_decl below, the local extern ends up | |
305 | incorrectly with a top-level context. | |
306 | ||
307 | For example: | |
308 | ||
309 | namespace S | |
310 | { | |
311 | int | |
312 | f() | |
313 | { | |
314 | { | |
315 | int i = 42; | |
316 | { | |
317 | extern int i; // Local extern declaration. | |
318 | return i; | |
319 | } | |
320 | } | |
321 | } | |
322 | } | |
323 | */ | |
324 | && !decl_function_context (decl) | |
325 | && !current_function_decl | |
522b7b88 | 326 | && DECL_SOURCE_LOCATION (decl) != BUILTINS_LOCATION |
bf2dbec4 RB |
327 | && (!decl_type_context (decl) |
328 | /* If we created a varpool node for the decl make sure to | |
329 | call early_global_decl. Otherwise we miss changes | |
330 | introduced by member definitions like | |
331 | struct A { static int staticdatamember; }; | |
332 | int A::staticdatamember; | |
333 | and thus have incomplete early debug and late debug | |
334 | called from varpool node removal fails to handle it | |
335 | properly. */ | |
b1e251ec RB |
336 | || (finalize |
337 | && TREE_CODE (decl) == VAR_DECL | |
bf2dbec4 | 338 | && TREE_STATIC (decl) && !DECL_EXTERNAL (decl))) |
f11cd829 RB |
339 | /* Avoid confusing the debug information machinery when there are |
340 | errors. */ | |
341 | && !seen_error ()) | |
d7438551 | 342 | (*debug_hooks->early_global_decl) (decl); |
f6db1481 RH |
343 | } |
344 | ||
345 | /* Called after finishing a record, union or enumeral type. */ | |
346 | ||
347 | void | |
348 | rest_of_type_compilation (tree type, int toplev) | |
349 | { | |
350 | /* Avoid confusing the debug information machinery when there are | |
351 | errors. */ | |
1da2ed5f | 352 | if (seen_error ()) |
f6db1481 RH |
353 | return; |
354 | ||
355 | timevar_push (TV_SYMOUT); | |
356 | debug_hooks->type_decl (TYPE_STUB_DECL (type), !toplev); | |
357 | timevar_pop (TV_SYMOUT); | |
358 | } | |
359 | ||
ef330312 | 360 | \f |
f6db1481 | 361 | |
ef330312 | 362 | void |
f7695dbf | 363 | pass_manager:: |
ef330312 | 364 | finish_optimization_passes (void) |
f6db1481 | 365 | { |
68fbd81b SB |
366 | int i; |
367 | struct dump_file_info *dfi; | |
368 | char *name; | |
47e0da37 | 369 | gcc::dump_manager *dumps = m_ctxt->get_dumps (); |
68fbd81b | 370 | |
ef330312 PB |
371 | timevar_push (TV_DUMP); |
372 | if (profile_arc_flag || flag_test_coverage || flag_branch_probabilities) | |
f6db1481 | 373 | { |
47e0da37 | 374 | dumps->dump_start (pass_profile_1->static_pass_number, NULL); |
ef330312 | 375 | end_branch_prob (); |
47e0da37 | 376 | dumps->dump_finish (pass_profile_1->static_pass_number); |
f6db1481 | 377 | } |
68fbd81b | 378 | |
ef330312 | 379 | if (optimize > 0) |
f6db1481 | 380 | { |
47e0da37 | 381 | dumps->dump_start (pass_profile_1->static_pass_number, NULL); |
78c60e3d | 382 | print_combine_total_stats (); |
47e0da37 | 383 | dumps->dump_finish (pass_profile_1->static_pass_number); |
f6db1481 | 384 | } |
68fbd81b SB |
385 | |
386 | /* Do whatever is necessary to finish printing the graphs. */ | |
47e0da37 DM |
387 | for (i = TDI_end; (dfi = dumps->get_dump_file_info (i)) != NULL; ++i) |
388 | if (dumps->dump_initialized_p (i) | |
68fbd81b | 389 | && (dfi->pflags & TDF_GRAPH) != 0 |
47e0da37 | 390 | && (name = dumps->get_dump_file_name (i)) != NULL) |
68fbd81b SB |
391 | { |
392 | finish_graph_dump_file (name); | |
393 | free (name); | |
394 | } | |
395 | ||
ef330312 | 396 | timevar_pop (TV_DUMP); |
f6db1481 | 397 | } |
f6db1481 | 398 | |
452aa9c5 | 399 | static unsigned int |
d5e254e1 | 400 | execute_build_ssa_passes (void) |
452aa9c5 RG |
401 | { |
402 | /* Once this pass (and its sub-passes) are complete, all functions | |
403 | will be in SSA form. Technically this state change is happening | |
404 | a tad early, since the sub-passes have not yet run, but since | |
405 | none of the sub-passes are IPA passes and do not create new | |
406 | functions, this is ok. We're setting this value for the benefit | |
407 | of IPA passes that follow. */ | |
3dafb85c ML |
408 | if (symtab->state < IPA_SSA) |
409 | symtab->state = IPA_SSA; | |
452aa9c5 RG |
410 | return 0; |
411 | } | |
412 | ||
27a4cd48 DM |
413 | namespace { |
414 | ||
d5e254e1 | 415 | const pass_data pass_data_build_ssa_passes = |
27a4cd48 DM |
416 | { |
417 | SIMPLE_IPA_PASS, /* type */ | |
d5e254e1 | 418 | "build_ssa_passes", /* name */ |
27a4cd48 | 419 | OPTGROUP_NONE, /* optinfo_flags */ |
27a4cd48 DM |
420 | TV_EARLY_LOCAL, /* tv_id */ |
421 | 0, /* properties_required */ | |
422 | 0, /* properties_provided */ | |
423 | 0, /* properties_destroyed */ | |
424 | 0, /* todo_flags_start */ | |
8605403e JH |
425 | /* todo_flags_finish is executed before subpases. For this reason |
426 | it makes no sense to remove unreachable functions here. */ | |
427 | 0, /* todo_flags_finish */ | |
452aa9c5 RG |
428 | }; |
429 | ||
d5e254e1 | 430 | class pass_build_ssa_passes : public simple_ipa_opt_pass |
27a4cd48 DM |
431 | { |
432 | public: | |
d5e254e1 IE |
433 | pass_build_ssa_passes (gcc::context *ctxt) |
434 | : simple_ipa_opt_pass (pass_data_build_ssa_passes, ctxt) | |
27a4cd48 DM |
435 | {} |
436 | ||
437 | /* opt_pass methods: */ | |
1a3d085c TS |
438 | virtual bool gate (function *) |
439 | { | |
440 | /* Don't bother doing anything if the program has errors. */ | |
441 | return (!seen_error () && !in_lto_p); | |
442 | } | |
443 | ||
be55bfe6 TS |
444 | virtual unsigned int execute (function *) |
445 | { | |
d5e254e1 | 446 | return execute_build_ssa_passes (); |
be55bfe6 | 447 | } |
27a4cd48 | 448 | |
d5e254e1 IE |
449 | }; // class pass_build_ssa_passes |
450 | ||
451 | const pass_data pass_data_chkp_instrumentation_passes = | |
452 | { | |
453 | SIMPLE_IPA_PASS, /* type */ | |
454 | "chkp_passes", /* name */ | |
455 | OPTGROUP_NONE, /* optinfo_flags */ | |
456 | TV_NONE, /* tv_id */ | |
457 | 0, /* properties_required */ | |
458 | 0, /* properties_provided */ | |
459 | 0, /* properties_destroyed */ | |
460 | 0, /* todo_flags_start */ | |
461 | 0, /* todo_flags_finish */ | |
462 | }; | |
463 | ||
464 | class pass_chkp_instrumentation_passes : public simple_ipa_opt_pass | |
465 | { | |
466 | public: | |
467 | pass_chkp_instrumentation_passes (gcc::context *ctxt) | |
468 | : simple_ipa_opt_pass (pass_data_chkp_instrumentation_passes, ctxt) | |
469 | {} | |
470 | ||
471 | /* opt_pass methods: */ | |
472 | virtual bool gate (function *) | |
473 | { | |
474 | /* Don't bother doing anything if the program has errors. */ | |
2bb9e67f RB |
475 | return (flag_check_pointer_bounds |
476 | && !seen_error () && !in_lto_p); | |
d5e254e1 IE |
477 | } |
478 | ||
479 | }; // class pass_chkp_instrumentation_passes | |
480 | ||
481 | const pass_data pass_data_local_optimization_passes = | |
482 | { | |
483 | SIMPLE_IPA_PASS, /* type */ | |
484 | "opt_local_passes", /* name */ | |
485 | OPTGROUP_NONE, /* optinfo_flags */ | |
486 | TV_NONE, /* tv_id */ | |
487 | 0, /* properties_required */ | |
488 | 0, /* properties_provided */ | |
489 | 0, /* properties_destroyed */ | |
490 | 0, /* todo_flags_start */ | |
491 | 0, /* todo_flags_finish */ | |
492 | }; | |
493 | ||
494 | class pass_local_optimization_passes : public simple_ipa_opt_pass | |
495 | { | |
496 | public: | |
497 | pass_local_optimization_passes (gcc::context *ctxt) | |
498 | : simple_ipa_opt_pass (pass_data_local_optimization_passes, ctxt) | |
499 | {} | |
500 | ||
501 | /* opt_pass methods: */ | |
502 | virtual bool gate (function *) | |
503 | { | |
504 | /* Don't bother doing anything if the program has errors. */ | |
505 | return (!seen_error () && !in_lto_p); | |
506 | } | |
507 | ||
508 | }; // class pass_local_optimization_passes | |
27a4cd48 DM |
509 | |
510 | } // anon namespace | |
511 | ||
512 | simple_ipa_opt_pass * | |
d5e254e1 IE |
513 | make_pass_build_ssa_passes (gcc::context *ctxt) |
514 | { | |
515 | return new pass_build_ssa_passes (ctxt); | |
516 | } | |
517 | ||
518 | simple_ipa_opt_pass * | |
519 | make_pass_chkp_instrumentation_passes (gcc::context *ctxt) | |
520 | { | |
521 | return new pass_chkp_instrumentation_passes (ctxt); | |
522 | } | |
523 | ||
524 | simple_ipa_opt_pass * | |
525 | make_pass_local_optimization_passes (gcc::context *ctxt) | |
27a4cd48 | 526 | { |
d5e254e1 | 527 | return new pass_local_optimization_passes (ctxt); |
27a4cd48 DM |
528 | } |
529 | ||
27a4cd48 DM |
530 | namespace { |
531 | ||
532 | const pass_data pass_data_all_early_optimizations = | |
533 | { | |
534 | GIMPLE_PASS, /* type */ | |
535 | "early_optimizations", /* name */ | |
536 | OPTGROUP_NONE, /* optinfo_flags */ | |
27a4cd48 DM |
537 | TV_NONE, /* tv_id */ |
538 | 0, /* properties_required */ | |
539 | 0, /* properties_provided */ | |
540 | 0, /* properties_destroyed */ | |
541 | 0, /* todo_flags_start */ | |
542 | 0, /* todo_flags_finish */ | |
452aa9c5 RG |
543 | }; |
544 | ||
27a4cd48 DM |
545 | class pass_all_early_optimizations : public gimple_opt_pass |
546 | { | |
547 | public: | |
c3284718 RS |
548 | pass_all_early_optimizations (gcc::context *ctxt) |
549 | : gimple_opt_pass (pass_data_all_early_optimizations, ctxt) | |
27a4cd48 DM |
550 | {} |
551 | ||
552 | /* opt_pass methods: */ | |
1a3d085c TS |
553 | virtual bool gate (function *) |
554 | { | |
555 | return (optimize >= 1 | |
556 | /* Don't bother doing anything if the program has errors. */ | |
557 | && !seen_error ()); | |
558 | } | |
27a4cd48 DM |
559 | |
560 | }; // class pass_all_early_optimizations | |
561 | ||
562 | } // anon namespace | |
563 | ||
564 | static gimple_opt_pass * | |
565 | make_pass_all_early_optimizations (gcc::context *ctxt) | |
566 | { | |
567 | return new pass_all_early_optimizations (ctxt); | |
568 | } | |
569 | ||
27a4cd48 DM |
570 | namespace { |
571 | ||
572 | const pass_data pass_data_all_optimizations = | |
573 | { | |
574 | GIMPLE_PASS, /* type */ | |
575 | "*all_optimizations", /* name */ | |
576 | OPTGROUP_NONE, /* optinfo_flags */ | |
27a4cd48 DM |
577 | TV_OPTIMIZE, /* tv_id */ |
578 | 0, /* properties_required */ | |
579 | 0, /* properties_provided */ | |
580 | 0, /* properties_destroyed */ | |
581 | 0, /* todo_flags_start */ | |
582 | 0, /* todo_flags_finish */ | |
452aa9c5 RG |
583 | }; |
584 | ||
27a4cd48 DM |
585 | class pass_all_optimizations : public gimple_opt_pass |
586 | { | |
587 | public: | |
c3284718 RS |
588 | pass_all_optimizations (gcc::context *ctxt) |
589 | : gimple_opt_pass (pass_data_all_optimizations, ctxt) | |
27a4cd48 DM |
590 | {} |
591 | ||
592 | /* opt_pass methods: */ | |
1a3d085c | 593 | virtual bool gate (function *) { return optimize >= 1 && !optimize_debug; } |
27a4cd48 DM |
594 | |
595 | }; // class pass_all_optimizations | |
596 | ||
597 | } // anon namespace | |
598 | ||
599 | static gimple_opt_pass * | |
600 | make_pass_all_optimizations (gcc::context *ctxt) | |
601 | { | |
602 | return new pass_all_optimizations (ctxt); | |
603 | } | |
604 | ||
27a4cd48 DM |
605 | namespace { |
606 | ||
607 | const pass_data pass_data_all_optimizations_g = | |
608 | { | |
609 | GIMPLE_PASS, /* type */ | |
610 | "*all_optimizations_g", /* name */ | |
611 | OPTGROUP_NONE, /* optinfo_flags */ | |
27a4cd48 DM |
612 | TV_OPTIMIZE, /* tv_id */ |
613 | 0, /* properties_required */ | |
614 | 0, /* properties_provided */ | |
615 | 0, /* properties_destroyed */ | |
616 | 0, /* todo_flags_start */ | |
617 | 0, /* todo_flags_finish */ | |
bf7a7185 RG |
618 | }; |
619 | ||
27a4cd48 DM |
620 | class pass_all_optimizations_g : public gimple_opt_pass |
621 | { | |
622 | public: | |
c3284718 RS |
623 | pass_all_optimizations_g (gcc::context *ctxt) |
624 | : gimple_opt_pass (pass_data_all_optimizations_g, ctxt) | |
27a4cd48 DM |
625 | {} |
626 | ||
627 | /* opt_pass methods: */ | |
1a3d085c | 628 | virtual bool gate (function *) { return optimize >= 1 && optimize_debug; } |
27a4cd48 DM |
629 | |
630 | }; // class pass_all_optimizations_g | |
631 | ||
632 | } // anon namespace | |
633 | ||
634 | static gimple_opt_pass * | |
635 | make_pass_all_optimizations_g (gcc::context *ctxt) | |
636 | { | |
637 | return new pass_all_optimizations_g (ctxt); | |
638 | } | |
639 | ||
27a4cd48 DM |
640 | namespace { |
641 | ||
642 | const pass_data pass_data_rest_of_compilation = | |
643 | { | |
644 | RTL_PASS, /* type */ | |
645 | "*rest_of_compilation", /* name */ | |
646 | OPTGROUP_NONE, /* optinfo_flags */ | |
27a4cd48 DM |
647 | TV_REST_OF_COMPILATION, /* tv_id */ |
648 | PROP_rtl, /* properties_required */ | |
649 | 0, /* properties_provided */ | |
650 | 0, /* properties_destroyed */ | |
651 | 0, /* todo_flags_start */ | |
652 | 0, /* todo_flags_finish */ | |
ef330312 | 653 | }; |
f6db1481 | 654 | |
27a4cd48 DM |
655 | class pass_rest_of_compilation : public rtl_opt_pass |
656 | { | |
657 | public: | |
c3284718 RS |
658 | pass_rest_of_compilation (gcc::context *ctxt) |
659 | : rtl_opt_pass (pass_data_rest_of_compilation, ctxt) | |
27a4cd48 DM |
660 | {} |
661 | ||
662 | /* opt_pass methods: */ | |
1a3d085c TS |
663 | virtual bool gate (function *) |
664 | { | |
665 | /* Early return if there were errors. We can run afoul of our | |
666 | consistency checks, and there's not really much point in fixing them. */ | |
667 | return !(rtl_dump_and_exit || flag_syntax_only || seen_error ()); | |
668 | } | |
27a4cd48 DM |
669 | |
670 | }; // class pass_rest_of_compilation | |
671 | ||
672 | } // anon namespace | |
673 | ||
674 | static rtl_opt_pass * | |
675 | make_pass_rest_of_compilation (gcc::context *ctxt) | |
676 | { | |
677 | return new pass_rest_of_compilation (ctxt); | |
678 | } | |
679 | ||
27a4cd48 DM |
680 | namespace { |
681 | ||
682 | const pass_data pass_data_postreload = | |
683 | { | |
684 | RTL_PASS, /* type */ | |
685 | "*all-postreload", /* name */ | |
686 | OPTGROUP_NONE, /* optinfo_flags */ | |
27a4cd48 DM |
687 | TV_POSTRELOAD, /* tv_id */ |
688 | PROP_rtl, /* properties_required */ | |
689 | 0, /* properties_provided */ | |
690 | 0, /* properties_destroyed */ | |
691 | 0, /* todo_flags_start */ | |
3bea341f | 692 | 0, /* todo_flags_finish */ |
ef330312 | 693 | }; |
f6db1481 | 694 | |
27a4cd48 DM |
695 | class pass_postreload : public rtl_opt_pass |
696 | { | |
697 | public: | |
c3284718 RS |
698 | pass_postreload (gcc::context *ctxt) |
699 | : rtl_opt_pass (pass_data_postreload, ctxt) | |
27a4cd48 DM |
700 | {} |
701 | ||
702 | /* opt_pass methods: */ | |
1a3d085c | 703 | virtual bool gate (function *) { return reload_completed; } |
27a4cd48 DM |
704 | |
705 | }; // class pass_postreload | |
706 | ||
707 | } // anon namespace | |
708 | ||
709 | static rtl_opt_pass * | |
710 | make_pass_postreload (gcc::context *ctxt) | |
711 | { | |
712 | return new pass_postreload (ctxt); | |
713 | } | |
714 | ||
433e4164 BS |
715 | namespace { |
716 | ||
717 | const pass_data pass_data_late_compilation = | |
718 | { | |
719 | RTL_PASS, /* type */ | |
720 | "*all-late_compilation", /* name */ | |
721 | OPTGROUP_NONE, /* optinfo_flags */ | |
722 | TV_LATE_COMPILATION, /* tv_id */ | |
723 | PROP_rtl, /* properties_required */ | |
724 | 0, /* properties_provided */ | |
725 | 0, /* properties_destroyed */ | |
726 | 0, /* todo_flags_start */ | |
727 | 0, /* todo_flags_finish */ | |
728 | }; | |
729 | ||
730 | class pass_late_compilation : public rtl_opt_pass | |
731 | { | |
732 | public: | |
733 | pass_late_compilation (gcc::context *ctxt) | |
734 | : rtl_opt_pass (pass_data_late_compilation, ctxt) | |
735 | {} | |
736 | ||
737 | /* opt_pass methods: */ | |
738 | virtual bool gate (function *) | |
739 | { | |
740 | return reload_completed || targetm.no_register_allocation; | |
741 | } | |
742 | ||
743 | }; // class pass_late_compilation | |
744 | ||
745 | } // anon namespace | |
746 | ||
747 | static rtl_opt_pass * | |
748 | make_pass_late_compilation (gcc::context *ctxt) | |
749 | { | |
750 | return new pass_late_compilation (ctxt); | |
751 | } | |
752 | ||
97b0ade3 | 753 | |
f6db1481 | 754 | |
9fe0cb7d RG |
755 | /* Set the static pass number of pass PASS to ID and record that |
756 | in the mapping from static pass number to pass. */ | |
757 | ||
315f8c0e DM |
758 | void |
759 | pass_manager:: | |
6a5ac314 | 760 | set_pass_for_id (int id, opt_pass *pass) |
9fe0cb7d RG |
761 | { |
762 | pass->static_pass_number = id; | |
763 | if (passes_by_id_size <= id) | |
764 | { | |
6a5ac314 | 765 | passes_by_id = XRESIZEVEC (opt_pass *, passes_by_id, id + 1); |
9fe0cb7d RG |
766 | memset (passes_by_id + passes_by_id_size, 0, |
767 | (id + 1 - passes_by_id_size) * sizeof (void *)); | |
768 | passes_by_id_size = id + 1; | |
769 | } | |
770 | passes_by_id[id] = pass; | |
771 | } | |
772 | ||
773 | /* Return the pass with the static pass number ID. */ | |
774 | ||
6a5ac314 | 775 | opt_pass * |
315f8c0e | 776 | pass_manager::get_pass_for_id (int id) const |
9fe0cb7d RG |
777 | { |
778 | if (id >= passes_by_id_size) | |
779 | return NULL; | |
780 | return passes_by_id[id]; | |
781 | } | |
782 | ||
ef330312 PB |
783 | /* Iterate over the pass tree allocating dump file numbers. We want |
784 | to do this depth first, and independent of whether the pass is | |
785 | enabled or not. */ | |
f6db1481 | 786 | |
68a607d8 | 787 | void |
6a5ac314 | 788 | register_one_dump_file (opt_pass *pass) |
315f8c0e DM |
789 | { |
790 | g->get_passes ()->register_one_dump_file (pass); | |
791 | } | |
792 | ||
793 | void | |
6a5ac314 | 794 | pass_manager::register_one_dump_file (opt_pass *pass) |
ef330312 PB |
795 | { |
796 | char *dot_name, *flag_name, *glob_name; | |
226c52aa | 797 | const char *name, *full_name, *prefix; |
ef330312 | 798 | char num[10]; |
9fe0cb7d | 799 | int flags, id; |
2b4e6bf1 | 800 | int optgroup_flags = OPTGROUP_NONE; |
47e0da37 | 801 | gcc::dump_manager *dumps = m_ctxt->get_dumps (); |
f6db1481 | 802 | |
ef330312 PB |
803 | /* See below in next_pass_1. */ |
804 | num[0] = '\0'; | |
805 | if (pass->static_pass_number != -1) | |
806 | sprintf (num, "%d", ((int) pass->static_pass_number < 0 | |
807 | ? 1 : pass->static_pass_number)); | |
f6db1481 | 808 | |
e0a42b0f ZC |
809 | /* The name is both used to identify the pass for the purposes of plugins, |
810 | and to specify dump file name and option. | |
811 | The latter two might want something short which is not quite unique; for | |
812 | that reason, we may have a disambiguating prefix, followed by a space | |
813 | to mark the start of the following dump file name / option string. */ | |
814 | name = strchr (pass->name, ' '); | |
815 | name = name ? name + 1 : pass->name; | |
816 | dot_name = concat (".", name, num, NULL); | |
17653c00 | 817 | if (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS) |
2b4e6bf1 SS |
818 | { |
819 | prefix = "ipa-"; | |
820 | flags = TDF_IPA; | |
821 | optgroup_flags |= OPTGROUP_IPA; | |
822 | } | |
9e016eba | 823 | else if (pass->type == GIMPLE_PASS) |
2b4e6bf1 SS |
824 | { |
825 | prefix = "tree-"; | |
826 | flags = TDF_TREE; | |
827 | } | |
f6db1481 | 828 | else |
2b4e6bf1 SS |
829 | { |
830 | prefix = "rtl-"; | |
831 | flags = TDF_RTL; | |
832 | } | |
bbbe4e7b | 833 | |
e0a42b0f ZC |
834 | flag_name = concat (prefix, name, num, NULL); |
835 | glob_name = concat (prefix, name, NULL); | |
2b4e6bf1 | 836 | optgroup_flags |= pass->optinfo_flags; |
103ff0d6 TJ |
837 | /* For any passes that do not have an optgroup set, and which are not |
838 | IPA passes setup above, set the optgroup to OPTGROUP_OTHER so that | |
839 | any dump messages are emitted properly under -fopt-info(-optall). */ | |
840 | if (optgroup_flags == OPTGROUP_NONE) | |
841 | optgroup_flags = OPTGROUP_OTHER; | |
47e0da37 | 842 | id = dumps->dump_register (dot_name, flag_name, glob_name, flags, |
10fdd6e9 DM |
843 | optgroup_flags, |
844 | true); | |
9fe0cb7d | 845 | set_pass_for_id (id, pass); |
226c52aa XDL |
846 | full_name = concat (prefix, pass->name, num, NULL); |
847 | register_pass_name (pass, full_name); | |
9f929ce6 | 848 | free (CONST_CAST (char *, full_name)); |
97b0ade3 PB |
849 | } |
850 | ||
a23c217d | 851 | /* Register the dump files for the pass_manager starting at PASS. */ |
bbbe4e7b | 852 | |
0cd11b40 | 853 | void |
a23c217d | 854 | pass_manager::register_dump_files (opt_pass *pass) |
97b0ade3 | 855 | { |
ef330312 PB |
856 | do |
857 | { | |
8e352cd3 | 858 | if (pass->name && pass->name[0] != '*') |
9e016eba | 859 | register_one_dump_file (pass); |
f6db1481 | 860 | |
ef330312 | 861 | if (pass->sub) |
a23c217d | 862 | register_dump_files (pass->sub); |
f6db1481 | 863 | |
ef330312 | 864 | pass = pass->next; |
f6db1481 | 865 | } |
ef330312 | 866 | while (pass); |
f6db1481 | 867 | } |
f9957958 | 868 | |
fb5c464a | 869 | static hash_map<nofree_string_hash, opt_pass *> *name_to_pass_map; |
226c52aa XDL |
870 | |
871 | /* Register PASS with NAME. */ | |
872 | ||
873 | static void | |
6a5ac314 | 874 | register_pass_name (opt_pass *pass, const char *name) |
226c52aa | 875 | { |
c203e8a7 | 876 | if (!name_to_pass_map) |
fb5c464a | 877 | name_to_pass_map = new hash_map<nofree_string_hash, opt_pass *> (256); |
226c52aa | 878 | |
f98df77c | 879 | if (name_to_pass_map->get (name)) |
226c52aa | 880 | return; /* Ignore plugin passes. */ |
f98df77c TS |
881 | |
882 | const char *unique_name = xstrdup (name); | |
883 | name_to_pass_map->put (unique_name, pass); | |
226c52aa XDL |
884 | } |
885 | ||
deced1e2 XDL |
886 | /* Map from pass id to canonicalized pass name. */ |
887 | ||
888 | typedef const char *char_ptr; | |
6e1aa848 | 889 | static vec<char_ptr> pass_tab = vNULL; |
deced1e2 XDL |
890 | |
891 | /* Callback function for traversing NAME_TO_PASS_MAP. */ | |
892 | ||
f98df77c TS |
893 | bool |
894 | passes_pass_traverse (const char *const &name, opt_pass *const &pass, void *) | |
deced1e2 | 895 | { |
deced1e2 | 896 | gcc_assert (pass->static_pass_number > 0); |
9771b263 | 897 | gcc_assert (pass_tab.exists ()); |
deced1e2 | 898 | |
f98df77c | 899 | pass_tab[pass->static_pass_number] = name; |
deced1e2 XDL |
900 | |
901 | return 1; | |
902 | } | |
903 | ||
904 | /* The function traverses NAME_TO_PASS_MAP and creates a pass info | |
905 | table for dumping purpose. */ | |
906 | ||
907 | static void | |
908 | create_pass_tab (void) | |
909 | { | |
910 | if (!flag_dump_passes) | |
911 | return; | |
912 | ||
315f8c0e | 913 | pass_tab.safe_grow_cleared (g->get_passes ()->passes_by_id_size + 1); |
c203e8a7 | 914 | name_to_pass_map->traverse <void *, passes_pass_traverse> (NULL); |
deced1e2 XDL |
915 | } |
916 | ||
6a5ac314 | 917 | static bool override_gate_status (opt_pass *, tree, bool); |
deced1e2 XDL |
918 | |
919 | /* Dump the instantiated name for PASS. IS_ON indicates if PASS | |
920 | is turned on or not. */ | |
921 | ||
922 | static void | |
6a5ac314 | 923 | dump_one_pass (opt_pass *pass, int pass_indent) |
deced1e2 XDL |
924 | { |
925 | int indent = 3 * pass_indent; | |
926 | const char *pn; | |
927 | bool is_on, is_really_on; | |
928 | ||
1a3d085c | 929 | is_on = pass->gate (cfun); |
deced1e2 XDL |
930 | is_really_on = override_gate_status (pass, current_function_decl, is_on); |
931 | ||
932 | if (pass->static_pass_number <= 0) | |
933 | pn = pass->name; | |
934 | else | |
9771b263 | 935 | pn = pass_tab[pass->static_pass_number]; |
deced1e2 XDL |
936 | |
937 | fprintf (stderr, "%*s%-40s%*s:%s%s\n", indent, " ", pn, | |
938 | (15 - indent < 0 ? 0 : 15 - indent), " ", | |
939 | is_on ? " ON" : " OFF", | |
940 | ((!is_on) == (!is_really_on) ? "" | |
941 | : (is_really_on ? " (FORCED_ON)" : " (FORCED_OFF)"))); | |
942 | } | |
943 | ||
944 | /* Dump pass list PASS with indentation INDENT. */ | |
945 | ||
946 | static void | |
6a5ac314 | 947 | dump_pass_list (opt_pass *pass, int indent) |
deced1e2 XDL |
948 | { |
949 | do | |
950 | { | |
951 | dump_one_pass (pass, indent); | |
952 | if (pass->sub) | |
953 | dump_pass_list (pass->sub, indent + 1); | |
954 | pass = pass->next; | |
955 | } | |
956 | while (pass); | |
957 | } | |
958 | ||
959 | /* Dump all optimization passes. */ | |
960 | ||
961 | void | |
962 | dump_passes (void) | |
315f8c0e DM |
963 | { |
964 | g->get_passes ()->dump_passes (); | |
965 | } | |
966 | ||
967 | void | |
968 | pass_manager::dump_passes () const | |
deced1e2 | 969 | { |
5283d1ec | 970 | push_dummy_function (true); |
deced1e2 | 971 | |
c3284718 | 972 | create_pass_tab (); |
deced1e2 | 973 | |
deced1e2 XDL |
974 | dump_pass_list (all_lowering_passes, 1); |
975 | dump_pass_list (all_small_ipa_passes, 1); | |
976 | dump_pass_list (all_regular_ipa_passes, 1); | |
febb1302 | 977 | dump_pass_list (all_late_ipa_passes, 1); |
deced1e2 XDL |
978 | dump_pass_list (all_passes, 1); |
979 | ||
5283d1ec | 980 | pop_dummy_function (); |
deced1e2 XDL |
981 | } |
982 | ||
226c52aa XDL |
983 | /* Returns the pass with NAME. */ |
984 | ||
6a5ac314 | 985 | static opt_pass * |
226c52aa XDL |
986 | get_pass_by_name (const char *name) |
987 | { | |
f98df77c TS |
988 | opt_pass **p = name_to_pass_map->get (name); |
989 | if (p) | |
990 | return *p; | |
226c52aa | 991 | |
f98df77c | 992 | return NULL; |
226c52aa XDL |
993 | } |
994 | ||
995 | ||
996 | /* Range [start, last]. */ | |
997 | ||
998 | struct uid_range | |
999 | { | |
1000 | unsigned int start; | |
1001 | unsigned int last; | |
bb5b1f5e | 1002 | const char *assem_name; |
226c52aa XDL |
1003 | struct uid_range *next; |
1004 | }; | |
1005 | ||
1006 | typedef struct uid_range *uid_range_p; | |
1007 | ||
226c52aa | 1008 | |
9771b263 | 1009 | static vec<uid_range_p> |
6e1aa848 | 1010 | enabled_pass_uid_range_tab = vNULL; |
9771b263 | 1011 | static vec<uid_range_p> |
6e1aa848 | 1012 | disabled_pass_uid_range_tab = vNULL; |
226c52aa | 1013 | |
bb5b1f5e | 1014 | |
226c52aa XDL |
1015 | /* Parse option string for -fdisable- and -fenable- |
1016 | The syntax of the options: | |
1017 | ||
1018 | -fenable-<pass_name> | |
1019 | -fdisable-<pass_name> | |
1020 | ||
1021 | -fenable-<pass_name>=s1:e1,s2:e2,... | |
1022 | -fdisable-<pass_name>=s1:e1,s2:e2,... | |
1023 | */ | |
1024 | ||
1025 | static void | |
1026 | enable_disable_pass (const char *arg, bool is_enable) | |
1027 | { | |
6a5ac314 | 1028 | opt_pass *pass; |
226c52aa XDL |
1029 | char *range_str, *phase_name; |
1030 | char *argstr = xstrdup (arg); | |
9771b263 | 1031 | vec<uid_range_p> *tab = 0; |
226c52aa XDL |
1032 | |
1033 | range_str = strchr (argstr,'='); | |
1034 | if (range_str) | |
1035 | { | |
1036 | *range_str = '\0'; | |
1037 | range_str++; | |
1038 | } | |
1039 | ||
1040 | phase_name = argstr; | |
1041 | if (!*phase_name) | |
1042 | { | |
1043 | if (is_enable) | |
1044 | error ("unrecognized option -fenable"); | |
1045 | else | |
1046 | error ("unrecognized option -fdisable"); | |
1047 | free (argstr); | |
1048 | return; | |
1049 | } | |
1050 | pass = get_pass_by_name (phase_name); | |
1051 | if (!pass || pass->static_pass_number == -1) | |
1052 | { | |
1053 | if (is_enable) | |
1054 | error ("unknown pass %s specified in -fenable", phase_name); | |
1055 | else | |
1eb3478f | 1056 | error ("unknown pass %s specified in -fdisable", phase_name); |
226c52aa XDL |
1057 | free (argstr); |
1058 | return; | |
1059 | } | |
1060 | ||
1061 | if (is_enable) | |
1062 | tab = &enabled_pass_uid_range_tab; | |
1063 | else | |
1064 | tab = &disabled_pass_uid_range_tab; | |
1065 | ||
9771b263 DN |
1066 | if ((unsigned) pass->static_pass_number >= tab->length ()) |
1067 | tab->safe_grow_cleared (pass->static_pass_number + 1); | |
226c52aa XDL |
1068 | |
1069 | if (!range_str) | |
1070 | { | |
1071 | uid_range_p slot; | |
1072 | uid_range_p new_range = XCNEW (struct uid_range); | |
1073 | ||
1074 | new_range->start = 0; | |
1075 | new_range->last = (unsigned)-1; | |
1076 | ||
9771b263 | 1077 | slot = (*tab)[pass->static_pass_number]; |
226c52aa | 1078 | new_range->next = slot; |
9771b263 | 1079 | (*tab)[pass->static_pass_number] = new_range; |
226c52aa XDL |
1080 | if (is_enable) |
1081 | inform (UNKNOWN_LOCATION, "enable pass %s for functions in the range " | |
1082 | "of [%u, %u]", phase_name, new_range->start, new_range->last); | |
1083 | else | |
1084 | inform (UNKNOWN_LOCATION, "disable pass %s for functions in the range " | |
1085 | "of [%u, %u]", phase_name, new_range->start, new_range->last); | |
1086 | } | |
1087 | else | |
1088 | { | |
1089 | char *next_range = NULL; | |
1090 | char *one_range = range_str; | |
1091 | char *end_val = NULL; | |
1092 | ||
1093 | do | |
1094 | { | |
1095 | uid_range_p slot; | |
1096 | uid_range_p new_range; | |
1097 | char *invalid = NULL; | |
1098 | long start; | |
bb5b1f5e | 1099 | char *func_name = NULL; |
226c52aa XDL |
1100 | |
1101 | next_range = strchr (one_range, ','); | |
1102 | if (next_range) | |
1103 | { | |
1104 | *next_range = '\0'; | |
1105 | next_range++; | |
1106 | } | |
1107 | ||
1108 | end_val = strchr (one_range, ':'); | |
1109 | if (end_val) | |
1110 | { | |
1111 | *end_val = '\0'; | |
1112 | end_val++; | |
1113 | } | |
1114 | start = strtol (one_range, &invalid, 10); | |
1115 | if (*invalid || start < 0) | |
1116 | { | |
bb5b1f5e XDL |
1117 | if (end_val || (one_range[0] >= '0' |
1118 | && one_range[0] <= '9')) | |
1119 | { | |
1120 | error ("Invalid range %s in option %s", | |
1121 | one_range, | |
1122 | is_enable ? "-fenable" : "-fdisable"); | |
1123 | free (argstr); | |
1124 | return; | |
1125 | } | |
1126 | func_name = one_range; | |
226c52aa XDL |
1127 | } |
1128 | if (!end_val) | |
1129 | { | |
1130 | new_range = XCNEW (struct uid_range); | |
bb5b1f5e XDL |
1131 | if (!func_name) |
1132 | { | |
1133 | new_range->start = (unsigned) start; | |
1134 | new_range->last = (unsigned) start; | |
1135 | } | |
1136 | else | |
1137 | { | |
1138 | new_range->start = (unsigned) -1; | |
1139 | new_range->last = (unsigned) -1; | |
1140 | new_range->assem_name = xstrdup (func_name); | |
1141 | } | |
226c52aa XDL |
1142 | } |
1143 | else | |
1144 | { | |
1145 | long last = strtol (end_val, &invalid, 10); | |
1146 | if (*invalid || last < start) | |
1147 | { | |
1148 | error ("Invalid range %s in option %s", | |
1149 | end_val, | |
1150 | is_enable ? "-fenable" : "-fdisable"); | |
1151 | free (argstr); | |
1152 | return; | |
1153 | } | |
1154 | new_range = XCNEW (struct uid_range); | |
1155 | new_range->start = (unsigned) start; | |
1156 | new_range->last = (unsigned) last; | |
1157 | } | |
1158 | ||
9771b263 | 1159 | slot = (*tab)[pass->static_pass_number]; |
226c52aa | 1160 | new_range->next = slot; |
9771b263 | 1161 | (*tab)[pass->static_pass_number] = new_range; |
226c52aa | 1162 | if (is_enable) |
bb5b1f5e XDL |
1163 | { |
1164 | if (new_range->assem_name) | |
1165 | inform (UNKNOWN_LOCATION, | |
1166 | "enable pass %s for function %s", | |
1167 | phase_name, new_range->assem_name); | |
1168 | else | |
1169 | inform (UNKNOWN_LOCATION, | |
1170 | "enable pass %s for functions in the range of [%u, %u]", | |
1171 | phase_name, new_range->start, new_range->last); | |
1172 | } | |
226c52aa | 1173 | else |
bb5b1f5e XDL |
1174 | { |
1175 | if (new_range->assem_name) | |
1176 | inform (UNKNOWN_LOCATION, | |
1177 | "disable pass %s for function %s", | |
1178 | phase_name, new_range->assem_name); | |
1179 | else | |
1180 | inform (UNKNOWN_LOCATION, | |
1181 | "disable pass %s for functions in the range of [%u, %u]", | |
1182 | phase_name, new_range->start, new_range->last); | |
1183 | } | |
226c52aa XDL |
1184 | |
1185 | one_range = next_range; | |
1186 | } while (next_range); | |
1187 | } | |
1188 | ||
1189 | free (argstr); | |
1190 | } | |
1191 | ||
1192 | /* Enable pass specified by ARG. */ | |
1193 | ||
1194 | void | |
1195 | enable_pass (const char *arg) | |
1196 | { | |
1197 | enable_disable_pass (arg, true); | |
1198 | } | |
1199 | ||
1200 | /* Disable pass specified by ARG. */ | |
1201 | ||
1202 | void | |
1203 | disable_pass (const char *arg) | |
1204 | { | |
1205 | enable_disable_pass (arg, false); | |
1206 | } | |
1207 | ||
1208 | /* Returns true if PASS is explicitly enabled/disabled for FUNC. */ | |
1209 | ||
1210 | static bool | |
6a5ac314 | 1211 | is_pass_explicitly_enabled_or_disabled (opt_pass *pass, |
226c52aa | 1212 | tree func, |
9771b263 | 1213 | vec<uid_range_p> tab) |
226c52aa XDL |
1214 | { |
1215 | uid_range_p slot, range; | |
1216 | int cgraph_uid; | |
bb5b1f5e | 1217 | const char *aname = NULL; |
226c52aa | 1218 | |
9771b263 DN |
1219 | if (!tab.exists () |
1220 | || (unsigned) pass->static_pass_number >= tab.length () | |
226c52aa XDL |
1221 | || pass->static_pass_number == -1) |
1222 | return false; | |
1223 | ||
9771b263 | 1224 | slot = tab[pass->static_pass_number]; |
226c52aa XDL |
1225 | if (!slot) |
1226 | return false; | |
1227 | ||
d52f5295 | 1228 | cgraph_uid = func ? cgraph_node::get (func)->uid : 0; |
bb5b1f5e XDL |
1229 | if (func && DECL_ASSEMBLER_NAME_SET_P (func)) |
1230 | aname = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (func)); | |
226c52aa XDL |
1231 | |
1232 | range = slot; | |
1233 | while (range) | |
1234 | { | |
1235 | if ((unsigned) cgraph_uid >= range->start | |
1236 | && (unsigned) cgraph_uid <= range->last) | |
1237 | return true; | |
bb5b1f5e XDL |
1238 | if (range->assem_name && aname |
1239 | && !strcmp (range->assem_name, aname)) | |
1240 | return true; | |
226c52aa XDL |
1241 | range = range->next; |
1242 | } | |
1243 | ||
1244 | return false; | |
1245 | } | |
1246 | ||
f9957958 | 1247 | |
8ac69a6c DM |
1248 | /* Update static_pass_number for passes (and the flag |
1249 | TODO_mark_first_instance). | |
f6db1481 | 1250 | |
8ac69a6c DM |
1251 | Passes are constructed with static_pass_number preinitialized to 0 |
1252 | ||
1253 | This field is used in two different ways: initially as instance numbers | |
1254 | of their kind, and then as ids within the entire pass manager. | |
1255 | ||
1256 | Within pass_manager::pass_manager: | |
1257 | ||
1258 | * In add_pass_instance(), as called by next_pass_1 in | |
1259 | NEXT_PASS in init_optimization_passes | |
63a00e0d | 1260 | |
8ac69a6c DM |
1261 | * When the initial instance of a pass within a pass manager is seen, |
1262 | it is flagged, and its static_pass_number is set to -1 | |
f6db1481 | 1263 | |
8ac69a6c DM |
1264 | * On subsequent times that it is seen, the static pass number |
1265 | is decremented each time, so that if there are e.g. 4 dups, | |
1266 | they have static_pass_number -4, 2, 3, 4 respectively (note | |
1267 | how the initial one is negative and gives the count); these | |
1268 | can be thought of as instance numbers of the specific pass | |
1269 | ||
1270 | * Within the register_dump_files () traversal, set_pass_for_id() | |
1271 | is called on each pass, using these instance numbers to create | |
1272 | dumpfile switches, and then overwriting them with a pass id, | |
1273 | which are global to the whole pass manager (based on | |
1274 | (TDI_end + current value of extra_dump_files_in_use) ) */ | |
1275 | ||
1276 | static void | |
6a5ac314 | 1277 | add_pass_instance (opt_pass *new_pass, bool track_duplicates, |
8ac69a6c DM |
1278 | opt_pass *initial_pass) |
1279 | { | |
1280 | /* Are we dealing with the first pass of its kind, or a clone? */ | |
1281 | if (new_pass != initial_pass) | |
1282 | { | |
1283 | /* We're dealing with a clone. */ | |
82d6e6fc | 1284 | new_pass->todo_flags_start &= ~TODO_mark_first_instance; |
b02b9b53 | 1285 | |
ef330312 PB |
1286 | /* Indicate to register_dump_files that this pass has duplicates, |
1287 | and so it should rename the dump file. The first instance will | |
1288 | be -1, and be number of duplicates = -static_pass_number - 1. | |
1289 | Subsequent instances will be > 0 and just the duplicate number. */ | |
8ac69a6c | 1290 | if ((new_pass->name && new_pass->name[0] != '*') || track_duplicates) |
ef330312 | 1291 | { |
8ac69a6c DM |
1292 | initial_pass->static_pass_number -= 1; |
1293 | new_pass->static_pass_number = -initial_pass->static_pass_number; | |
ef330312 | 1294 | } |
ef330312 PB |
1295 | } |
1296 | else | |
1297 | { | |
8ac69a6c DM |
1298 | /* We're dealing with the first pass of its kind. */ |
1299 | new_pass->todo_flags_start |= TODO_mark_first_instance; | |
1300 | new_pass->static_pass_number = -1; | |
090fa0ab | 1301 | |
8ac69a6c | 1302 | invoke_plugin_callbacks (PLUGIN_NEW_PASS, new_pass); |
b8698a0f | 1303 | } |
b80b0fd9 ST |
1304 | } |
1305 | ||
1306 | /* Add a pass to the pass list. Duplicate the pass if it's already | |
1307 | in the list. */ | |
1308 | ||
6a5ac314 OE |
1309 | static opt_pass ** |
1310 | next_pass_1 (opt_pass **list, opt_pass *pass, opt_pass *initial_pass) | |
b80b0fd9 | 1311 | { |
e0a42b0f ZC |
1312 | /* Every pass should have a name so that plugins can refer to them. */ |
1313 | gcc_assert (pass->name != NULL); | |
1314 | ||
8ac69a6c DM |
1315 | add_pass_instance (pass, false, initial_pass); |
1316 | *list = pass; | |
b8698a0f | 1317 | |
ef330312 | 1318 | return &(*list)->next; |
f6db1481 RH |
1319 | } |
1320 | ||
b80b0fd9 ST |
1321 | /* List node for an inserted pass instance. We need to keep track of all |
1322 | the newly-added pass instances (with 'added_pass_nodes' defined below) | |
1323 | so that we can register their dump files after pass-positioning is finished. | |
1324 | Registering dumping files needs to be post-processed or the | |
1325 | static_pass_number of the opt_pass object would be modified and mess up | |
1326 | the dump file names of future pass instances to be added. */ | |
1327 | ||
1328 | struct pass_list_node | |
1329 | { | |
6a5ac314 | 1330 | opt_pass *pass; |
b80b0fd9 ST |
1331 | struct pass_list_node *next; |
1332 | }; | |
1333 | ||
1334 | static struct pass_list_node *added_pass_nodes = NULL; | |
1335 | static struct pass_list_node *prev_added_pass_node; | |
1336 | ||
b8698a0f | 1337 | /* Insert the pass at the proper position. Return true if the pass |
b80b0fd9 ST |
1338 | is successfully added. |
1339 | ||
1340 | NEW_PASS_INFO - new pass to be inserted | |
1341 | PASS_LIST - root of the pass list to insert the new pass to */ | |
1342 | ||
1343 | static bool | |
6a5ac314 | 1344 | position_pass (struct register_pass_info *new_pass_info, opt_pass **pass_list) |
b80b0fd9 | 1345 | { |
6a5ac314 | 1346 | opt_pass *pass = *pass_list, *prev_pass = NULL; |
b80b0fd9 ST |
1347 | bool success = false; |
1348 | ||
1349 | for ( ; pass; prev_pass = pass, pass = pass->next) | |
1350 | { | |
1351 | /* Check if the current pass is of the same type as the new pass and | |
1352 | matches the name and the instance number of the reference pass. */ | |
1353 | if (pass->type == new_pass_info->pass->type | |
1354 | && pass->name | |
1355 | && !strcmp (pass->name, new_pass_info->reference_pass_name) | |
1356 | && ((new_pass_info->ref_pass_instance_number == 0) | |
1357 | || (new_pass_info->ref_pass_instance_number == | |
1358 | pass->static_pass_number) | |
1359 | || (new_pass_info->ref_pass_instance_number == 1 | |
1360 | && pass->todo_flags_start & TODO_mark_first_instance))) | |
1361 | { | |
6a5ac314 | 1362 | opt_pass *new_pass; |
b80b0fd9 ST |
1363 | struct pass_list_node *new_pass_node; |
1364 | ||
8ac69a6c DM |
1365 | if (new_pass_info->ref_pass_instance_number == 0) |
1366 | { | |
1367 | new_pass = new_pass_info->pass->clone (); | |
1368 | add_pass_instance (new_pass, true, new_pass_info->pass); | |
1369 | } | |
1370 | else | |
1371 | { | |
1372 | new_pass = new_pass_info->pass; | |
1373 | add_pass_instance (new_pass, true, new_pass); | |
1374 | } | |
b8698a0f | 1375 | |
b80b0fd9 ST |
1376 | /* Insert the new pass instance based on the positioning op. */ |
1377 | switch (new_pass_info->pos_op) | |
1378 | { | |
1379 | case PASS_POS_INSERT_AFTER: | |
1380 | new_pass->next = pass->next; | |
1381 | pass->next = new_pass; | |
1382 | ||
1383 | /* Skip newly inserted pass to avoid repeated | |
1384 | insertions in the case where the new pass and the | |
1385 | existing one have the same name. */ | |
b8698a0f | 1386 | pass = new_pass; |
b80b0fd9 ST |
1387 | break; |
1388 | case PASS_POS_INSERT_BEFORE: | |
1389 | new_pass->next = pass; | |
1390 | if (prev_pass) | |
1391 | prev_pass->next = new_pass; | |
1392 | else | |
1393 | *pass_list = new_pass; | |
1394 | break; | |
1395 | case PASS_POS_REPLACE: | |
1396 | new_pass->next = pass->next; | |
1397 | if (prev_pass) | |
1398 | prev_pass->next = new_pass; | |
1399 | else | |
1400 | *pass_list = new_pass; | |
1401 | new_pass->sub = pass->sub; | |
1402 | new_pass->tv_id = pass->tv_id; | |
1403 | pass = new_pass; | |
1404 | break; | |
1405 | default: | |
d8a07487 | 1406 | error ("invalid pass positioning operation"); |
b80b0fd9 ST |
1407 | return false; |
1408 | } | |
1409 | ||
1410 | /* Save the newly added pass (instance) in the added_pass_nodes | |
1411 | list so that we can register its dump file later. Note that | |
1412 | we cannot register the dump file now because doing so will modify | |
1413 | the static_pass_number of the opt_pass object and therefore | |
1414 | mess up the dump file name of future instances. */ | |
1415 | new_pass_node = XCNEW (struct pass_list_node); | |
1416 | new_pass_node->pass = new_pass; | |
1417 | if (!added_pass_nodes) | |
1418 | added_pass_nodes = new_pass_node; | |
1419 | else | |
1420 | prev_added_pass_node->next = new_pass_node; | |
1421 | prev_added_pass_node = new_pass_node; | |
1422 | ||
1423 | success = true; | |
1424 | } | |
1425 | ||
1426 | if (pass->sub && position_pass (new_pass_info, &pass->sub)) | |
1427 | success = true; | |
1428 | } | |
1429 | ||
1430 | return success; | |
1431 | } | |
1432 | ||
1433 | /* Hooks a new pass into the pass lists. | |
1434 | ||
1435 | PASS_INFO - pass information that specifies the opt_pass object, | |
1436 | reference pass, instance number, and how to position | |
1437 | the pass */ | |
1438 | ||
1439 | void | |
1440 | register_pass (struct register_pass_info *pass_info) | |
315f8c0e DM |
1441 | { |
1442 | g->get_passes ()->register_pass (pass_info); | |
3fa3690d OE |
1443 | } |
1444 | ||
1445 | void | |
1446 | register_pass (opt_pass* pass, pass_positioning_ops pos, | |
1447 | const char* ref_pass_name, int ref_pass_inst_number) | |
1448 | { | |
1449 | register_pass_info i; | |
1450 | i.pass = pass; | |
1451 | i.reference_pass_name = ref_pass_name; | |
1452 | i.ref_pass_instance_number = ref_pass_inst_number; | |
1453 | i.pos_op = pos; | |
315f8c0e | 1454 | |
3fa3690d | 1455 | g->get_passes ()->register_pass (&i); |
315f8c0e DM |
1456 | } |
1457 | ||
1458 | void | |
1459 | pass_manager::register_pass (struct register_pass_info *pass_info) | |
b80b0fd9 | 1460 | { |
669887fc | 1461 | bool all_instances, success; |
47e0da37 | 1462 | gcc::dump_manager *dumps = m_ctxt->get_dumps (); |
669887fc | 1463 | |
b9e467a2 BS |
1464 | /* The checks below could fail in buggy plugins. Existing GCC |
1465 | passes should never fail these checks, so we mention plugin in | |
1466 | the messages. */ | |
b80b0fd9 | 1467 | if (!pass_info->pass) |
40fecdd6 | 1468 | fatal_error (input_location, "plugin cannot register a missing pass"); |
b9e467a2 BS |
1469 | |
1470 | if (!pass_info->pass->name) | |
40fecdd6 | 1471 | fatal_error (input_location, "plugin cannot register an unnamed pass"); |
b80b0fd9 ST |
1472 | |
1473 | if (!pass_info->reference_pass_name) | |
b9e467a2 | 1474 | fatal_error |
40fecdd6 JM |
1475 | (input_location, |
1476 | "plugin cannot register pass %qs without reference pass name", | |
b9e467a2 | 1477 | pass_info->pass->name); |
b80b0fd9 | 1478 | |
b9e467a2 | 1479 | /* Try to insert the new pass to the pass lists. We need to check |
669887fc | 1480 | all five lists as the reference pass could be in one (or all) of |
b9e467a2 | 1481 | them. */ |
669887fc DS |
1482 | all_instances = pass_info->ref_pass_instance_number == 0; |
1483 | success = position_pass (pass_info, &all_lowering_passes); | |
1484 | if (!success || all_instances) | |
1485 | success |= position_pass (pass_info, &all_small_ipa_passes); | |
1486 | if (!success || all_instances) | |
1487 | success |= position_pass (pass_info, &all_regular_ipa_passes); | |
febb1302 JH |
1488 | if (!success || all_instances) |
1489 | success |= position_pass (pass_info, &all_late_ipa_passes); | |
669887fc DS |
1490 | if (!success || all_instances) |
1491 | success |= position_pass (pass_info, &all_passes); | |
1492 | if (!success) | |
b9e467a2 | 1493 | fatal_error |
40fecdd6 JM |
1494 | (input_location, |
1495 | "pass %qs not found but is referenced by new pass %qs", | |
b9e467a2 | 1496 | pass_info->reference_pass_name, pass_info->pass->name); |
669887fc DS |
1497 | |
1498 | /* OK, we have successfully inserted the new pass. We need to register | |
1499 | the dump files for the newly added pass and its duplicates (if any). | |
1500 | Because the registration of plugin/backend passes happens after the | |
1501 | command-line options are parsed, the options that specify single | |
1502 | pass dumping (e.g. -fdump-tree-PASSNAME) cannot be used for new | |
1503 | passes. Therefore we currently can only enable dumping of | |
1504 | new passes when the 'dump-all' flags (e.g. -fdump-tree-all) | |
1505 | are specified. While doing so, we also delete the pass_list_node | |
1506 | objects created during pass positioning. */ | |
1507 | while (added_pass_nodes) | |
b80b0fd9 | 1508 | { |
669887fc DS |
1509 | struct pass_list_node *next_node = added_pass_nodes->next; |
1510 | enum tree_dump_index tdi; | |
1511 | register_one_dump_file (added_pass_nodes->pass); | |
1512 | if (added_pass_nodes->pass->type == SIMPLE_IPA_PASS | |
1513 | || added_pass_nodes->pass->type == IPA_PASS) | |
1514 | tdi = TDI_ipa_all; | |
1515 | else if (added_pass_nodes->pass->type == GIMPLE_PASS) | |
1516 | tdi = TDI_tree_all; | |
1517 | else | |
1518 | tdi = TDI_rtl_all; | |
1519 | /* Check if dump-all flag is specified. */ | |
47e0da37 DM |
1520 | if (dumps->get_dump_file_info (tdi)->pstate) |
1521 | dumps->get_dump_file_info (added_pass_nodes->pass->static_pass_number) | |
1522 | ->pstate = dumps->get_dump_file_info (tdi)->pstate; | |
669887fc DS |
1523 | XDELETE (added_pass_nodes); |
1524 | added_pass_nodes = next_node; | |
b80b0fd9 ST |
1525 | } |
1526 | } | |
6fb5fa3c | 1527 | |
dd97d271 DN |
1528 | /* Construct the pass tree. The sequencing of passes is driven by |
1529 | the cgraph routines: | |
1530 | ||
65d630d4 | 1531 | finalize_compilation_unit () |
dd97d271 DN |
1532 | for each node N in the cgraph |
1533 | cgraph_analyze_function (N) | |
1534 | cgraph_lower_function (N) -> all_lowering_passes | |
1535 | ||
65d630d4 | 1536 | If we are optimizing, compile is then invoked: |
dd97d271 | 1537 | |
65d630d4 | 1538 | compile () |
d7f09764 | 1539 | ipa_passes () -> all_small_ipa_passes |
65d630d4 JH |
1540 | -> Analysis of all_regular_ipa_passes |
1541 | * possible LTO streaming at copmilation time * | |
1542 | -> Execution of all_regular_ipa_passes | |
1543 | * possible LTO streaming at link time * | |
1544 | -> all_late_ipa_passes | |
1545 | expand_all_functions () | |
dd97d271 | 1546 | for each node N in the cgraph |
65d630d4 JH |
1547 | expand_function (N) -> Transformation of all_regular_ipa_passes |
1548 | -> all_passes | |
dd97d271 | 1549 | */ |
97b0ade3 | 1550 | |
6a389ed5 DM |
1551 | void * |
1552 | pass_manager::operator new (size_t sz) | |
1553 | { | |
1554 | /* Ensure that all fields of the pass manager are zero-initialized. */ | |
6cd4d135 | 1555 | return xcalloc (1, sz); |
6a389ed5 DM |
1556 | } |
1557 | ||
10fdd6e9 DM |
1558 | void |
1559 | pass_manager::operator delete (void *ptr) | |
1560 | { | |
1561 | free (ptr); | |
1562 | } | |
1563 | ||
315f8c0e | 1564 | pass_manager::pass_manager (context *ctxt) |
c3284718 | 1565 | : all_passes (NULL), all_small_ipa_passes (NULL), all_lowering_passes (NULL), |
38f4f02f | 1566 | all_regular_ipa_passes (NULL), |
c3284718 | 1567 | all_late_ipa_passes (NULL), passes_by_id (NULL), passes_by_id_size (0), |
65d3284b | 1568 | m_ctxt (ctxt) |
ef330312 | 1569 | { |
6a5ac314 | 1570 | opt_pass **p; |
ef330312 | 1571 | |
315f8c0e DM |
1572 | /* Initialize the pass_lists array. */ |
1573 | #define DEF_PASS_LIST(LIST) pass_lists[PASS_LIST_NO_##LIST] = &LIST; | |
1574 | GCC_PASS_LISTS | |
1575 | #undef DEF_PASS_LIST | |
1576 | ||
1577 | /* Build the tree of passes. */ | |
1578 | ||
2efa4087 DM |
1579 | #define INSERT_PASSES_AFTER(PASS) \ |
1580 | p = &(PASS); | |
1581 | ||
1582 | #define PUSH_INSERT_PASSES_WITHIN(PASS) \ | |
1583 | { \ | |
6a5ac314 | 1584 | opt_pass **p = &(PASS ## _1)->sub; |
2efa4087 DM |
1585 | |
1586 | #define POP_INSERT_PASSES() \ | |
1587 | } | |
1588 | ||
f7695dbf DM |
1589 | #define NEXT_PASS(PASS, NUM) \ |
1590 | do { \ | |
1591 | gcc_assert (NULL == PASS ## _ ## NUM); \ | |
1592 | if ((NUM) == 1) \ | |
65d3284b | 1593 | PASS ## _1 = make_##PASS (m_ctxt); \ |
f7695dbf DM |
1594 | else \ |
1595 | { \ | |
1596 | gcc_assert (PASS ## _1); \ | |
1597 | PASS ## _ ## NUM = PASS ## _1->clone (); \ | |
1598 | } \ | |
8ac69a6c | 1599 | p = next_pass_1 (p, PASS ## _ ## NUM, PASS ## _1); \ |
f7695dbf | 1600 | } while (0) |
873aa8f5 | 1601 | |
2efa4087 DM |
1602 | #define TERMINATE_PASS_LIST() \ |
1603 | *p = NULL; | |
1604 | ||
a167b052 | 1605 | #include "pass-instances.def" |
ef330312 | 1606 | |
2efa4087 DM |
1607 | #undef INSERT_PASSES_AFTER |
1608 | #undef PUSH_INSERT_PASSES_WITHIN | |
1609 | #undef POP_INSERT_PASSES | |
ef330312 | 1610 | #undef NEXT_PASS |
2efa4087 | 1611 | #undef TERMINATE_PASS_LIST |
ef330312 PB |
1612 | |
1613 | /* Register the passes with the tree dump code. */ | |
a23c217d TS |
1614 | register_dump_files (all_lowering_passes); |
1615 | register_dump_files (all_small_ipa_passes); | |
1616 | register_dump_files (all_regular_ipa_passes); | |
1617 | register_dump_files (all_late_ipa_passes); | |
1618 | register_dump_files (all_passes); | |
ef330312 PB |
1619 | } |
1620 | ||
10fdd6e9 DM |
1621 | static void |
1622 | delete_pass_tree (opt_pass *pass) | |
1623 | { | |
1624 | while (pass) | |
1625 | { | |
1626 | /* Recurse into child passes. */ | |
1627 | delete_pass_tree (pass->sub); | |
1628 | ||
1629 | opt_pass *next = pass->next; | |
1630 | ||
1631 | /* Delete this pass. */ | |
1632 | delete pass; | |
1633 | ||
1634 | /* Iterate onto sibling passes. */ | |
1635 | pass = next; | |
1636 | } | |
1637 | } | |
1638 | ||
1639 | pass_manager::~pass_manager () | |
1640 | { | |
1641 | XDELETEVEC (passes_by_id); | |
1642 | ||
1643 | /* Call delete_pass_tree on each of the pass_lists. */ | |
1644 | #define DEF_PASS_LIST(LIST) \ | |
1645 | delete_pass_tree (*pass_lists[PASS_LIST_NO_##LIST]); | |
1646 | GCC_PASS_LISTS | |
1647 | #undef DEF_PASS_LIST | |
1648 | ||
1649 | } | |
1650 | ||
a5093353 JH |
1651 | /* If we are in IPA mode (i.e., current_function_decl is NULL), call |
1652 | function CALLBACK for every function in the call graph. Otherwise, | |
b8698a0f | 1653 | call CALLBACK on the current function. */ |
bbbe4e7b | 1654 | |
ef330312 | 1655 | static void |
2cbf2d95 | 1656 | do_per_function (void (*callback) (function *, void *data), void *data) |
ef330312 | 1657 | { |
a5093353 | 1658 | if (current_function_decl) |
2cbf2d95 | 1659 | callback (cfun, data); |
a5093353 JH |
1660 | else |
1661 | { | |
1662 | struct cgraph_node *node; | |
65c70e6b | 1663 | FOR_EACH_DEFINED_FUNCTION (node) |
fd29c024 | 1664 | if (node->analyzed && (gimple_has_body_p (node->decl) && !in_lto_p) |
67348ccc | 1665 | && (!node->clone_of || node->decl != node->clone_of->decl)) |
2cbf2d95 | 1666 | callback (DECL_STRUCT_FUNCTION (node->decl), data); |
a5093353 JH |
1667 | } |
1668 | } | |
1669 | ||
873aa8f5 JH |
1670 | /* Because inlining might remove no-longer reachable nodes, we need to |
1671 | keep the array visible to garbage collector to avoid reading collected | |
1672 | out nodes. */ | |
1673 | static int nnodes; | |
d52f5295 | 1674 | static GTY ((length ("nnodes"))) cgraph_node **order; |
873aa8f5 | 1675 | |
005581f1 IE |
1676 | /* Hook called when NODE is removed and therefore should be |
1677 | excluded from order vector. DATA is an array of integers. | |
1678 | DATA[0] holds max index it may be accessed by. For cgraph | |
1679 | node DATA[node->uid + 1] holds index of this node in order | |
1680 | vector. */ | |
1681 | static void | |
1682 | remove_cgraph_node_from_order (cgraph_node *node, void *data) | |
1683 | { | |
1684 | int *order_idx = (int *)data; | |
1685 | ||
1686 | if (node->uid >= order_idx[0]) | |
1687 | return; | |
1688 | ||
1689 | int idx = order_idx[node->uid + 1]; | |
1690 | if (idx >= 0 && idx < nnodes && order[idx] == node) | |
1691 | order[idx] = NULL; | |
1692 | } | |
1693 | ||
873aa8f5 JH |
1694 | /* If we are in IPA mode (i.e., current_function_decl is NULL), call |
1695 | function CALLBACK for every function in the call graph. Otherwise, | |
090fa0ab GF |
1696 | call CALLBACK on the current function. |
1697 | This function is global so that plugins can use it. */ | |
1698 | void | |
2cbf2d95 | 1699 | do_per_function_toporder (void (*callback) (function *, void *data), void *data) |
873aa8f5 JH |
1700 | { |
1701 | int i; | |
1702 | ||
1703 | if (current_function_decl) | |
2cbf2d95 | 1704 | callback (cfun, data); |
873aa8f5 JH |
1705 | else |
1706 | { | |
005581f1 IE |
1707 | cgraph_node_hook_list *hook; |
1708 | int *order_idx; | |
873aa8f5 | 1709 | gcc_assert (!order); |
3dafb85c | 1710 | order = ggc_vec_alloc<cgraph_node *> (symtab->cgraph_count); |
005581f1 IE |
1711 | |
1712 | order_idx = XALLOCAVEC (int, symtab->cgraph_max_uid + 1); | |
1713 | memset (order_idx + 1, -1, sizeof (int) * symtab->cgraph_max_uid); | |
1714 | order_idx[0] = symtab->cgraph_max_uid; | |
1715 | ||
af8bca3c | 1716 | nnodes = ipa_reverse_postorder (order); |
257eb6e3 | 1717 | for (i = nnodes - 1; i >= 0; i--) |
005581f1 IE |
1718 | { |
1719 | order[i]->process = 1; | |
1720 | order_idx[order[i]->uid + 1] = i; | |
1721 | } | |
1722 | hook = symtab->add_cgraph_removal_hook (remove_cgraph_node_from_order, | |
1723 | order_idx); | |
873aa8f5 JH |
1724 | for (i = nnodes - 1; i >= 0; i--) |
1725 | { | |
005581f1 IE |
1726 | /* Function could be inlined and removed as unreachable. */ |
1727 | if (!order[i]) | |
1728 | continue; | |
1729 | ||
873aa8f5 JH |
1730 | struct cgraph_node *node = order[i]; |
1731 | ||
1732 | /* Allow possibly removed nodes to be garbage collected. */ | |
1733 | order[i] = NULL; | |
257eb6e3 | 1734 | node->process = 0; |
d52f5295 | 1735 | if (node->has_gimple_body_p ()) |
2cbf2d95 | 1736 | callback (DECL_STRUCT_FUNCTION (node->decl), data); |
873aa8f5 | 1737 | } |
005581f1 | 1738 | symtab->remove_cgraph_removal_hook (hook); |
873aa8f5 JH |
1739 | } |
1740 | ggc_free (order); | |
1741 | order = NULL; | |
1742 | nnodes = 0; | |
1743 | } | |
1744 | ||
22c5fa5f DL |
1745 | /* Helper function to perform function body dump. */ |
1746 | ||
1747 | static void | |
2cbf2d95 | 1748 | execute_function_dump (function *fn, void *data) |
22c5fa5f | 1749 | { |
9d5879a6 AH |
1750 | opt_pass *pass = (opt_pass *)data; |
1751 | ||
2cbf2d95 | 1752 | if (dump_file) |
22c5fa5f | 1753 | { |
2cbf2d95 RB |
1754 | push_cfun (fn); |
1755 | ||
1756 | if (fn->curr_properties & PROP_trees) | |
1757 | dump_function_to_file (fn->decl, dump_file, dump_flags); | |
22c5fa5f | 1758 | else |
a27a5de9 | 1759 | print_rtl_with_bb (dump_file, get_insns (), dump_flags); |
22c5fa5f DL |
1760 | |
1761 | /* Flush the file. If verification fails, we won't be able to | |
1762 | close the file before aborting. */ | |
1763 | fflush (dump_file); | |
a27a5de9 | 1764 | |
2cbf2d95 | 1765 | if ((fn->curr_properties & PROP_cfg) |
a27a5de9 | 1766 | && (dump_flags & TDF_GRAPH)) |
9d5879a6 AH |
1767 | { |
1768 | if (!pass->graph_dump_initialized) | |
1769 | { | |
1770 | clean_graph_dump_file (dump_file_name); | |
1771 | pass->graph_dump_initialized = true; | |
1772 | } | |
2cbf2d95 | 1773 | print_graph_cfg (dump_file_name, fn); |
9d5879a6 | 1774 | } |
2cbf2d95 RB |
1775 | |
1776 | pop_cfun (); | |
22c5fa5f DL |
1777 | } |
1778 | } | |
1779 | ||
37e5402b JH |
1780 | static struct profile_record *profile_record; |
1781 | ||
aa4723d7 SB |
1782 | /* Do profile consistency book-keeping for the pass with static number INDEX. |
1783 | If SUBPASS is zero, we run _before_ the pass, and if SUBPASS is one, then | |
1784 | we run _after_ the pass. RUN is true if the pass really runs, or FALSE | |
1785 | if we are only book-keeping on passes that may have selectively disabled | |
1786 | themselves on a given function. */ | |
37e5402b JH |
1787 | static void |
1788 | check_profile_consistency (int index, int subpass, bool run) | |
1789 | { | |
315f8c0e | 1790 | pass_manager *passes = g->get_passes (); |
37e5402b JH |
1791 | if (index == -1) |
1792 | return; | |
1793 | if (!profile_record) | |
1794 | profile_record = XCNEWVEC (struct profile_record, | |
315f8c0e DM |
1795 | passes->passes_by_id_size); |
1796 | gcc_assert (index < passes->passes_by_id_size && index >= 0); | |
37e5402b JH |
1797 | gcc_assert (subpass < 2); |
1798 | profile_record[index].run |= run; | |
aa4723d7 | 1799 | account_profile_record (&profile_record[index], subpass); |
37e5402b JH |
1800 | } |
1801 | ||
1802 | /* Output profile consistency. */ | |
1803 | ||
1804 | void | |
1805 | dump_profile_report (void) | |
315f8c0e DM |
1806 | { |
1807 | g->get_passes ()->dump_profile_report (); | |
1808 | } | |
1809 | ||
1810 | void | |
1811 | pass_manager::dump_profile_report () const | |
37e5402b JH |
1812 | { |
1813 | int i, j; | |
1814 | int last_freq_in = 0, last_count_in = 0, last_freq_out = 0, last_count_out = 0; | |
28d516bc | 1815 | gcov_type last_time = 0, last_size = 0; |
37e5402b | 1816 | double rel_time_change, rel_size_change; |
6ada5e7d | 1817 | int last_reported = 0; |
37e5402b JH |
1818 | |
1819 | if (!profile_record) | |
1820 | return; | |
1821 | fprintf (stderr, "\nProfile consistency report:\n\n"); | |
1822 | fprintf (stderr, "Pass name |mismatch in |mismated out|Overall\n"); | |
28d516bc | 1823 | fprintf (stderr, " |freq count |freq count |size time\n"); |
37e5402b JH |
1824 | |
1825 | for (i = 0; i < passes_by_id_size; i++) | |
1826 | for (j = 0 ; j < 2; j++) | |
1827 | if (profile_record[i].run) | |
1828 | { | |
1829 | if (last_time) | |
1830 | rel_time_change = (profile_record[i].time[j] | |
1831 | - (double)last_time) * 100 / (double)last_time; | |
1832 | else | |
1833 | rel_time_change = 0; | |
1834 | if (last_size) | |
1835 | rel_size_change = (profile_record[i].size[j] | |
1836 | - (double)last_size) * 100 / (double)last_size; | |
1837 | else | |
1838 | rel_size_change = 0; | |
1839 | ||
1840 | if (profile_record[i].num_mismatched_freq_in[j] != last_freq_in | |
1841 | || profile_record[i].num_mismatched_freq_out[j] != last_freq_out | |
1842 | || profile_record[i].num_mismatched_count_in[j] != last_count_in | |
1843 | || profile_record[i].num_mismatched_count_out[j] != last_count_out | |
1844 | || rel_time_change || rel_size_change) | |
1845 | { | |
1846 | last_reported = i; | |
1847 | fprintf (stderr, "%-20s %s", | |
1848 | passes_by_id [i]->name, | |
1849 | j ? "(after TODO)" : " "); | |
1850 | if (profile_record[i].num_mismatched_freq_in[j] != last_freq_in) | |
1851 | fprintf (stderr, "| %+5i", | |
1852 | profile_record[i].num_mismatched_freq_in[j] | |
1853 | - last_freq_in); | |
1854 | else | |
1855 | fprintf (stderr, "| "); | |
1856 | if (profile_record[i].num_mismatched_count_in[j] != last_count_in) | |
1857 | fprintf (stderr, " %+5i", | |
1858 | profile_record[i].num_mismatched_count_in[j] | |
1859 | - last_count_in); | |
1860 | else | |
1861 | fprintf (stderr, " "); | |
1862 | if (profile_record[i].num_mismatched_freq_out[j] != last_freq_out) | |
1863 | fprintf (stderr, "| %+5i", | |
1864 | profile_record[i].num_mismatched_freq_out[j] | |
1865 | - last_freq_out); | |
1866 | else | |
1867 | fprintf (stderr, "| "); | |
1868 | if (profile_record[i].num_mismatched_count_out[j] != last_count_out) | |
1869 | fprintf (stderr, " %+5i", | |
1870 | profile_record[i].num_mismatched_count_out[j] | |
1871 | - last_count_out); | |
1872 | else | |
1873 | fprintf (stderr, " "); | |
1874 | ||
1875 | /* Size/time units change across gimple and RTL. */ | |
f7695dbf | 1876 | if (i == pass_expand_1->static_pass_number) |
37e5402b JH |
1877 | fprintf (stderr, "|----------"); |
1878 | else | |
1879 | { | |
1880 | if (rel_size_change) | |
1881 | fprintf (stderr, "| %+8.4f%%", rel_size_change); | |
1882 | else | |
1883 | fprintf (stderr, "| "); | |
1884 | if (rel_time_change) | |
1885 | fprintf (stderr, " %+8.4f%%", rel_time_change); | |
1886 | } | |
1887 | fprintf (stderr, "\n"); | |
1888 | last_freq_in = profile_record[i].num_mismatched_freq_in[j]; | |
1889 | last_freq_out = profile_record[i].num_mismatched_freq_out[j]; | |
1890 | last_count_in = profile_record[i].num_mismatched_count_in[j]; | |
1891 | last_count_out = profile_record[i].num_mismatched_count_out[j]; | |
1892 | } | |
1893 | else if (j && last_reported != i) | |
1894 | { | |
1895 | last_reported = i; | |
1896 | fprintf (stderr, "%-20s ------------| | |\n", | |
1897 | passes_by_id [i]->name); | |
1898 | } | |
1899 | last_time = profile_record[i].time[j]; | |
1900 | last_size = profile_record[i].size[j]; | |
1901 | } | |
1902 | } | |
1903 | ||
a5093353 | 1904 | /* Perform all TODO actions that ought to be done on each function. */ |
ef330312 | 1905 | |
a5093353 | 1906 | static void |
2cbf2d95 | 1907 | execute_function_todo (function *fn, void *data) |
a5093353 | 1908 | { |
e9ff9caf | 1909 | bool from_ipa_pass = (cfun == NULL); |
a5093353 | 1910 | unsigned int flags = (size_t)data; |
2cbf2d95 | 1911 | flags &= ~fn->last_verified; |
bbbe4e7b PB |
1912 | if (!flags) |
1913 | return; | |
9fe0cb7d | 1914 | |
2cbf2d95 RB |
1915 | push_cfun (fn); |
1916 | ||
1994bfea | 1917 | /* Always cleanup the CFG before trying to update SSA. */ |
ef330312 PB |
1918 | if (flags & TODO_cleanup_cfg) |
1919 | { | |
c0e50f72 | 1920 | cleanup_tree_cfg (); |
b8698a0f | 1921 | |
c4f548b8 DN |
1922 | /* When cleanup_tree_cfg merges consecutive blocks, it may |
1923 | perform some simplistic propagation when removing single | |
1924 | valued PHI nodes. This propagation may, in turn, cause the | |
1925 | SSA form to become out-of-date (see PR 22037). So, even | |
1926 | if the parent pass had not scheduled an SSA update, we may | |
1927 | still need to do one. */ | |
5006671f | 1928 | if (!(flags & TODO_update_ssa_any) && need_ssa_update_p (cfun)) |
c4f548b8 | 1929 | flags |= TODO_update_ssa; |
ef330312 | 1930 | } |
f6db1481 | 1931 | |
563cb6be DN |
1932 | if (flags & TODO_update_ssa_any) |
1933 | { | |
1934 | unsigned update_flags = flags & TODO_update_ssa_any; | |
1935 | update_ssa (update_flags); | |
1936 | } | |
b8698a0f | 1937 | |
edb32daf RG |
1938 | if (flag_tree_pta && (flags & TODO_rebuild_alias)) |
1939 | compute_may_aliases (); | |
1940 | ||
1941 | if (optimize && (flags & TODO_update_address_taken)) | |
f61c8291 | 1942 | execute_update_addresses_taken (); |
b8698a0f | 1943 | |
3f519b35 RG |
1944 | if (flags & TODO_remove_unused_locals) |
1945 | remove_unused_locals (); | |
1946 | ||
45a80bb9 | 1947 | if (flags & TODO_rebuild_frequencies) |
b35366ce | 1948 | rebuild_frequencies (); |
45a80bb9 | 1949 | |
cf9712cc | 1950 | if (flags & TODO_rebuild_cgraph_edges) |
3dafb85c | 1951 | cgraph_edge::rebuild_edges (); |
cf9712cc | 1952 | |
cd6bbb33 | 1953 | gcc_assert (dom_info_state (fn, CDI_POST_DOMINATORS) == DOM_NONE); |
c9d6130e | 1954 | /* If we've seen errors do not bother running any verifiers. */ |
b2b29377 | 1955 | if (flag_checking && !seen_error ()) |
2cbf2d95 | 1956 | { |
e3f613cb RB |
1957 | dom_state pre_verify_state = dom_info_state (fn, CDI_DOMINATORS); |
1958 | dom_state pre_verify_pstate = dom_info_state (fn, CDI_POST_DOMINATORS); | |
1959 | ||
e9ff9caf | 1960 | if (flags & TODO_verify_il) |
9ba5fb43 | 1961 | { |
e9ff9caf RB |
1962 | if (cfun->curr_properties & PROP_trees) |
1963 | { | |
1964 | if (cfun->curr_properties & PROP_cfg) | |
1965 | /* IPA passes leave stmts to be fixed up, so make sure to | |
1966 | not verify stmts really throw. */ | |
1967 | verify_gimple_in_cfg (cfun, !from_ipa_pass); | |
1968 | else | |
1969 | verify_gimple_in_seq (gimple_body (cfun->decl)); | |
1970 | } | |
1971 | if (cfun->curr_properties & PROP_ssa) | |
1972 | /* IPA passes leave stmts to be fixed up, so make sure to | |
1973 | not verify SSA operands whose verifier will choke on that. */ | |
1974 | verify_ssa (true, !from_ipa_pass); | |
7e7f8713 RB |
1975 | /* IPA passes leave basic-blocks unsplit, so make sure to |
1976 | not trip on that. */ | |
1977 | if ((cfun->curr_properties & PROP_cfg) | |
1978 | && !from_ipa_pass) | |
1979 | verify_flow_info (); | |
e3f613cb RB |
1980 | if (current_loops |
1981 | && loops_state_satisfies_p (LOOP_CLOSED_SSA)) | |
e9ff9caf | 1982 | verify_loop_closed_ssa (false); |
0db74577 RB |
1983 | if (cfun->curr_properties & PROP_rtl) |
1984 | verify_rtl_sharing (); | |
e3f613cb | 1985 | } |
e3f613cb RB |
1986 | |
1987 | /* Make sure verifiers don't change dominator state. */ | |
1988 | gcc_assert (dom_info_state (fn, CDI_DOMINATORS) == pre_verify_state); | |
1989 | gcc_assert (dom_info_state (fn, CDI_POST_DOMINATORS) == pre_verify_pstate); | |
e3f613cb | 1990 | } |
a5093353 | 1991 | |
2cbf2d95 RB |
1992 | fn->last_verified = flags & TODO_verify_all; |
1993 | ||
1994 | pop_cfun (); | |
e3f613cb RB |
1995 | |
1996 | /* For IPA passes make sure to release dominator info, it can be | |
1997 | computed by non-verifying TODOs. */ | |
e9ff9caf | 1998 | if (from_ipa_pass) |
e3f613cb RB |
1999 | { |
2000 | free_dominance_info (fn, CDI_DOMINATORS); | |
2001 | free_dominance_info (fn, CDI_POST_DOMINATORS); | |
2002 | } | |
a5093353 JH |
2003 | } |
2004 | ||
2005 | /* Perform all TODO actions. */ | |
2006 | static void | |
2007 | execute_todo (unsigned int flags) | |
2008 | { | |
b2b29377 MM |
2009 | if (flag_checking |
2010 | && cfun | |
5006671f | 2011 | && need_ssa_update_p (cfun)) |
a5093353 | 2012 | gcc_assert (flags & TODO_update_ssa_any); |
a5093353 | 2013 | |
a222c01a MM |
2014 | timevar_push (TV_TODO); |
2015 | ||
b02b9b53 ZD |
2016 | /* Inform the pass whether it is the first time it is run. */ |
2017 | first_pass_instance = (flags & TODO_mark_first_instance) != 0; | |
2018 | ||
0d6a035d JH |
2019 | statistics_fini_pass (); |
2020 | ||
a9335ba2 JJ |
2021 | if (flags) |
2022 | do_per_function (execute_function_todo, (void *)(size_t) flags); | |
a5093353 | 2023 | |
9447d255 JL |
2024 | /* At this point we should not have any unreachable code in the |
2025 | CFG, so it is safe to flush the pending freelist for SSA_NAMES. */ | |
2026 | if (cfun && cfun->gimple_df) | |
2027 | flush_ssaname_freelist (); | |
2028 | ||
f4b3ca72 JH |
2029 | /* Always remove functions just as before inlining: IPA passes might be |
2030 | interested to see bodies of extern inline functions that are not inlined | |
2031 | to analyze side effects. The full removal is done just at the end | |
2032 | of IPA pass queue. */ | |
2033 | if (flags & TODO_remove_functions) | |
a12f79f5 JH |
2034 | { |
2035 | gcc_assert (!cfun); | |
17e0fc92 | 2036 | symtab->remove_unreachable_nodes (dump_file); |
a12f79f5 | 2037 | } |
f4b3ca72 | 2038 | |
8f940ee6 | 2039 | if ((flags & TODO_dump_symtab) && dump_file && !current_function_decl) |
ef330312 | 2040 | { |
a12f79f5 | 2041 | gcc_assert (!cfun); |
d52f5295 | 2042 | symtab_node::dump_table (dump_file); |
ef330312 PB |
2043 | /* Flush the file. If verification fails, we won't be able to |
2044 | close the file before aborting. */ | |
2045 | fflush (dump_file); | |
2046 | } | |
f6db1481 | 2047 | |
b8698a0f | 2048 | /* Now that the dumping has been done, we can get rid of the optional |
6fb5fa3c DB |
2049 | df problems. */ |
2050 | if (flags & TODO_df_finish) | |
0d475361 | 2051 | df_finish_pass ((flags & TODO_df_verify) != 0); |
a222c01a MM |
2052 | |
2053 | timevar_pop (TV_TODO); | |
a5093353 | 2054 | } |
97b0ade3 | 2055 | |
6ac01510 ILT |
2056 | /* Verify invariants that should hold between passes. This is a place |
2057 | to put simple sanity checks. */ | |
2058 | ||
2059 | static void | |
2060 | verify_interpass_invariants (void) | |
2061 | { | |
77a74ed7 | 2062 | gcc_checking_assert (!fold_deferring_overflow_warnings_p ()); |
6ac01510 ILT |
2063 | } |
2064 | ||
a5093353 JH |
2065 | /* Clear the last verified flag. */ |
2066 | ||
2067 | static void | |
2cbf2d95 | 2068 | clear_last_verified (function *fn, void *data ATTRIBUTE_UNUSED) |
a5093353 | 2069 | { |
2cbf2d95 | 2070 | fn->last_verified = 0; |
a5093353 JH |
2071 | } |
2072 | ||
2073 | /* Helper function. Verify that the properties has been turn into the | |
2074 | properties expected by the pass. */ | |
bbbe4e7b | 2075 | |
6d27d749 | 2076 | static void |
2cbf2d95 | 2077 | verify_curr_properties (function *fn, void *data) |
a5093353 JH |
2078 | { |
2079 | unsigned int props = (size_t)data; | |
2cbf2d95 | 2080 | gcc_assert ((fn->curr_properties & props) == props); |
a5093353 JH |
2081 | } |
2082 | ||
17653c00 | 2083 | /* Initialize pass dump file. */ |
090fa0ab | 2084 | /* This is non-static so that the plugins can use it. */ |
17653c00 | 2085 | |
090fa0ab | 2086 | bool |
6a5ac314 | 2087 | pass_init_dump_file (opt_pass *pass) |
17653c00 JH |
2088 | { |
2089 | /* If a dump file name is present, open it if enabled. */ | |
2090 | if (pass->static_pass_number != -1) | |
2091 | { | |
41222ddf | 2092 | timevar_push (TV_DUMP); |
47e0da37 DM |
2093 | gcc::dump_manager *dumps = g->get_dumps (); |
2094 | bool initializing_dump = | |
2095 | !dumps->dump_initialized_p (pass->static_pass_number); | |
2096 | dump_file_name = dumps->get_dump_file_name (pass->static_pass_number); | |
2097 | dumps->dump_start (pass->static_pass_number, &dump_flags); | |
17653c00 | 2098 | if (dump_file && current_function_decl) |
6d8402ac | 2099 | dump_function_header (dump_file, current_function_decl, dump_flags); |
68fbd81b SB |
2100 | if (initializing_dump |
2101 | && dump_file && (dump_flags & TDF_GRAPH) | |
41222ddf | 2102 | && cfun && (cfun->curr_properties & PROP_cfg)) |
9d5879a6 AH |
2103 | { |
2104 | clean_graph_dump_file (dump_file_name); | |
2105 | pass->graph_dump_initialized = true; | |
2106 | } | |
41222ddf | 2107 | timevar_pop (TV_DUMP); |
17653c00 JH |
2108 | return initializing_dump; |
2109 | } | |
2110 | else | |
2111 | return false; | |
2112 | } | |
2113 | ||
2114 | /* Flush PASS dump file. */ | |
090fa0ab | 2115 | /* This is non-static so that plugins can use it. */ |
17653c00 | 2116 | |
090fa0ab | 2117 | void |
6a5ac314 | 2118 | pass_fini_dump_file (opt_pass *pass) |
17653c00 | 2119 | { |
41222ddf SB |
2120 | timevar_push (TV_DUMP); |
2121 | ||
17653c00 JH |
2122 | /* Flush and close dump file. */ |
2123 | if (dump_file_name) | |
2124 | { | |
2125 | free (CONST_CAST (char *, dump_file_name)); | |
2126 | dump_file_name = NULL; | |
2127 | } | |
2128 | ||
47e0da37 | 2129 | g->get_dumps ()->dump_finish (pass->static_pass_number); |
41222ddf | 2130 | timevar_pop (TV_DUMP); |
17653c00 JH |
2131 | } |
2132 | ||
a5093353 JH |
2133 | /* After executing the pass, apply expected changes to the function |
2134 | properties. */ | |
17653c00 | 2135 | |
a5093353 | 2136 | static void |
2cbf2d95 | 2137 | update_properties_after_pass (function *fn, void *data) |
a5093353 | 2138 | { |
6a5ac314 | 2139 | opt_pass *pass = (opt_pass *) data; |
2cbf2d95 RB |
2140 | fn->curr_properties = (fn->curr_properties | pass->properties_provided) |
2141 | & ~pass->properties_destroyed; | |
f6db1481 RH |
2142 | } |
2143 | ||
1920df6c | 2144 | /* Execute summary generation for all of the passes in IPA_PASS. */ |
17653c00 | 2145 | |
d7f09764 | 2146 | void |
6a5ac314 | 2147 | execute_ipa_summary_passes (ipa_opt_pass_d *ipa_pass) |
17653c00 | 2148 | { |
1920df6c | 2149 | while (ipa_pass) |
17653c00 | 2150 | { |
6a5ac314 | 2151 | opt_pass *pass = ipa_pass; |
1920df6c KZ |
2152 | |
2153 | /* Execute all of the IPA_PASSes in the list. */ | |
f7695dbf | 2154 | if (ipa_pass->type == IPA_PASS |
1a3d085c | 2155 | && pass->gate (cfun) |
d7f09764 | 2156 | && ipa_pass->generate_summary) |
17653c00 JH |
2157 | { |
2158 | pass_init_dump_file (pass); | |
d7f09764 DN |
2159 | |
2160 | /* If a timevar is present, start it. */ | |
2161 | if (pass->tv_id) | |
2162 | timevar_push (pass->tv_id); | |
2163 | ||
3edf64aa | 2164 | current_pass = pass; |
1920df6c | 2165 | ipa_pass->generate_summary (); |
d7f09764 DN |
2166 | |
2167 | /* Stop timevar. */ | |
2168 | if (pass->tv_id) | |
2169 | timevar_pop (pass->tv_id); | |
2170 | ||
17653c00 JH |
2171 | pass_fini_dump_file (pass); |
2172 | } | |
6a5ac314 | 2173 | ipa_pass = (ipa_opt_pass_d *)ipa_pass->next; |
17653c00 JH |
2174 | } |
2175 | } | |
2176 | ||
2177 | /* Execute IPA_PASS function transform on NODE. */ | |
2178 | ||
2179 | static void | |
2180 | execute_one_ipa_transform_pass (struct cgraph_node *node, | |
6a5ac314 | 2181 | ipa_opt_pass_d *ipa_pass) |
17653c00 | 2182 | { |
6a5ac314 | 2183 | opt_pass *pass = ipa_pass; |
17653c00 JH |
2184 | unsigned int todo_after = 0; |
2185 | ||
2186 | current_pass = pass; | |
2187 | if (!ipa_pass->function_transform) | |
2188 | return; | |
2189 | ||
2190 | /* Note that the folders should only create gimple expressions. | |
2191 | This is a hack until the new folder is ready. */ | |
2192 | in_gimple_form = (cfun && (cfun->curr_properties & PROP_trees)) != 0; | |
2193 | ||
2194 | pass_init_dump_file (pass); | |
2195 | ||
2196 | /* Run pre-pass verification. */ | |
a12f79f5 | 2197 | execute_todo (ipa_pass->function_transform_todo_flags_start); |
17653c00 JH |
2198 | |
2199 | /* If a timevar is present, start it. */ | |
7072a650 | 2200 | if (pass->tv_id != TV_NONE) |
17653c00 JH |
2201 | timevar_push (pass->tv_id); |
2202 | ||
2203 | /* Do it! */ | |
2204 | todo_after = ipa_pass->function_transform (node); | |
2205 | ||
2206 | /* Stop timevar. */ | |
7072a650 | 2207 | if (pass->tv_id != TV_NONE) |
17653c00 JH |
2208 | timevar_pop (pass->tv_id); |
2209 | ||
37e5402b JH |
2210 | if (profile_report && cfun && (cfun->curr_properties & PROP_cfg)) |
2211 | check_profile_consistency (pass->static_pass_number, 0, true); | |
2212 | ||
17653c00 JH |
2213 | /* Run post-pass cleanup and verification. */ |
2214 | execute_todo (todo_after); | |
2215 | verify_interpass_invariants (); | |
37e5402b JH |
2216 | if (profile_report && cfun && (cfun->curr_properties & PROP_cfg)) |
2217 | check_profile_consistency (pass->static_pass_number, 1, true); | |
17653c00 | 2218 | |
a9335ba2 JJ |
2219 | if (dump_file) |
2220 | do_per_function (execute_function_dump, NULL); | |
17653c00 JH |
2221 | pass_fini_dump_file (pass); |
2222 | ||
2223 | current_pass = NULL; | |
bb313b93 RB |
2224 | |
2225 | /* Signal this is a suitable GC collection point. */ | |
d3afd9aa RB |
2226 | if (!(todo_after & TODO_do_not_ggc_collect)) |
2227 | ggc_collect (); | |
17653c00 JH |
2228 | } |
2229 | ||
d7f09764 | 2230 | /* For the current function, execute all ipa transforms. */ |
9e016eba | 2231 | |
d7f09764 DN |
2232 | void |
2233 | execute_all_ipa_transforms (void) | |
2234 | { | |
0e3776db JH |
2235 | struct cgraph_node *node; |
2236 | if (!cfun) | |
2237 | return; | |
d52f5295 | 2238 | node = cgraph_node::get (current_function_decl); |
bc58d7e1 | 2239 | |
9771b263 | 2240 | if (node->ipa_transforms_to_apply.exists ()) |
17653c00 JH |
2241 | { |
2242 | unsigned int i; | |
17653c00 | 2243 | |
9771b263 DN |
2244 | for (i = 0; i < node->ipa_transforms_to_apply.length (); i++) |
2245 | execute_one_ipa_transform_pass (node, node->ipa_transforms_to_apply[i]); | |
2246 | node->ipa_transforms_to_apply.release (); | |
17653c00 | 2247 | } |
d7f09764 DN |
2248 | } |
2249 | ||
226c52aa XDL |
2250 | /* Check if PASS is explicitly disabled or enabled and return |
2251 | the gate status. FUNC is the function to be processed, and | |
2252 | GATE_STATUS is the gate status determined by pass manager by | |
2253 | default. */ | |
2254 | ||
2255 | static bool | |
6a5ac314 | 2256 | override_gate_status (opt_pass *pass, tree func, bool gate_status) |
226c52aa XDL |
2257 | { |
2258 | bool explicitly_enabled = false; | |
2259 | bool explicitly_disabled = false; | |
2260 | ||
2261 | explicitly_enabled | |
2262 | = is_pass_explicitly_enabled_or_disabled (pass, func, | |
2263 | enabled_pass_uid_range_tab); | |
2264 | explicitly_disabled | |
2265 | = is_pass_explicitly_enabled_or_disabled (pass, func, | |
2266 | disabled_pass_uid_range_tab); | |
2267 | ||
2268 | gate_status = !explicitly_disabled && (gate_status || explicitly_enabled); | |
2269 | ||
2270 | return gate_status; | |
2271 | } | |
2272 | ||
2273 | ||
d7f09764 DN |
2274 | /* Execute PASS. */ |
2275 | ||
090fa0ab | 2276 | bool |
6a5ac314 | 2277 | execute_one_pass (opt_pass *pass) |
d7f09764 | 2278 | { |
d7f09764 DN |
2279 | unsigned int todo_after = 0; |
2280 | ||
090fa0ab GF |
2281 | bool gate_status; |
2282 | ||
d7f09764 DN |
2283 | /* IPA passes are executed on whole program, so cfun should be NULL. |
2284 | Other passes need function context set. */ | |
2285 | if (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS) | |
2286 | gcc_assert (!cfun && !current_function_decl); | |
2287 | else | |
2288 | gcc_assert (cfun && current_function_decl); | |
17653c00 | 2289 | |
6fb5fa3c | 2290 | current_pass = pass; |
726a989a | 2291 | |
090fa0ab GF |
2292 | /* Check whether gate check should be avoided. |
2293 | User controls the value of the gate through the parameter "gate_status". */ | |
1a3d085c | 2294 | gate_status = pass->gate (cfun); |
226c52aa | 2295 | gate_status = override_gate_status (pass, current_function_decl, gate_status); |
090fa0ab GF |
2296 | |
2297 | /* Override gate with plugin. */ | |
2298 | invoke_plugin_callbacks (PLUGIN_OVERRIDE_GATE, &gate_status); | |
2299 | ||
2300 | if (!gate_status) | |
2301 | { | |
37e5402b JH |
2302 | /* Run so passes selectively disabling themselves on a given function |
2303 | are not miscounted. */ | |
2304 | if (profile_report && cfun && (cfun->curr_properties & PROP_cfg)) | |
2305 | { | |
2306 | check_profile_consistency (pass->static_pass_number, 0, false); | |
2307 | check_profile_consistency (pass->static_pass_number, 1, false); | |
2308 | } | |
090fa0ab GF |
2309 | current_pass = NULL; |
2310 | return false; | |
2311 | } | |
2312 | ||
2313 | /* Pass execution event trigger: useful to identify passes being | |
2314 | executed. */ | |
2315 | invoke_plugin_callbacks (PLUGIN_PASS_EXECUTION, pass); | |
f6db1481 | 2316 | |
b9cafe60 | 2317 | if (!quiet_flag && !cfun) |
873aa8f5 JH |
2318 | fprintf (stderr, " <%s>", pass->name ? pass->name : ""); |
2319 | ||
ef330312 PB |
2320 | /* Note that the folders should only create gimple expressions. |
2321 | This is a hack until the new folder is ready. */ | |
a5093353 | 2322 | in_gimple_form = (cfun && (cfun->curr_properties & PROP_trees)) != 0; |
f6db1481 | 2323 | |
41222ddf | 2324 | pass_init_dump_file (pass); |
5006671f | 2325 | |
ef330312 | 2326 | /* Run pre-pass verification. */ |
bbbe4e7b PB |
2327 | execute_todo (pass->todo_flags_start); |
2328 | ||
b2b29377 MM |
2329 | if (flag_checking) |
2330 | do_per_function (verify_curr_properties, | |
2331 | (void *)(size_t)pass->properties_required); | |
f6db1481 | 2332 | |
ef330312 | 2333 | /* If a timevar is present, start it. */ |
7072a650 | 2334 | if (pass->tv_id != TV_NONE) |
ef330312 | 2335 | timevar_push (pass->tv_id); |
f6db1481 | 2336 | |
ef330312 | 2337 | /* Do it! */ |
558d2559 TS |
2338 | todo_after = pass->execute (cfun); |
2339 | do_per_function (clear_last_verified, NULL); | |
f6db1481 | 2340 | |
ef330312 | 2341 | /* Stop timevar. */ |
7072a650 | 2342 | if (pass->tv_id != TV_NONE) |
ef330312 | 2343 | timevar_pop (pass->tv_id); |
f6db1481 | 2344 | |
a5093353 | 2345 | do_per_function (update_properties_after_pass, pass); |
bbbe4e7b | 2346 | |
37e5402b JH |
2347 | if (profile_report && cfun && (cfun->curr_properties & PROP_cfg)) |
2348 | check_profile_consistency (pass->static_pass_number, 0, true); | |
2349 | ||
ef330312 | 2350 | /* Run post-pass cleanup and verification. */ |
9ba5fb43 | 2351 | execute_todo (todo_after | pass->todo_flags_finish | TODO_verify_il); |
37e5402b JH |
2352 | if (profile_report && cfun && (cfun->curr_properties & PROP_cfg)) |
2353 | check_profile_consistency (pass->static_pass_number, 1, true); | |
2354 | ||
6ac01510 | 2355 | verify_interpass_invariants (); |
a9335ba2 | 2356 | if (dump_file) |
9d5879a6 | 2357 | do_per_function (execute_function_dump, pass); |
17653c00 | 2358 | if (pass->type == IPA_PASS) |
0e3776db JH |
2359 | { |
2360 | struct cgraph_node *node; | |
31b27938 JH |
2361 | if (((ipa_opt_pass_d *)pass)->function_transform) |
2362 | FOR_EACH_FUNCTION_WITH_GIMPLE_BODY (node) | |
2363 | node->ipa_transforms_to_apply.safe_push ((ipa_opt_pass_d *)pass); | |
0e3776db | 2364 | } |
f6db1481 | 2365 | |
f45e0ad1 | 2366 | if (!current_function_decl) |
3dafb85c | 2367 | symtab->process_new_functions (); |
f45e0ad1 | 2368 | |
17653c00 | 2369 | pass_fini_dump_file (pass); |
f6db1481 | 2370 | |
17653c00 | 2371 | if (pass->type != SIMPLE_IPA_PASS && pass->type != IPA_PASS) |
e3b5732b JH |
2372 | gcc_assert (!(cfun->curr_properties & PROP_trees) |
2373 | || pass->type != RTL_PASS); | |
2374 | ||
6fb5fa3c | 2375 | current_pass = NULL; |
91851351 | 2376 | |
bb313b93 | 2377 | /* Signal this is a suitable GC collection point. */ |
d3afd9aa RB |
2378 | if (!((todo_after | pass->todo_flags_finish) & TODO_do_not_ggc_collect)) |
2379 | ggc_collect (); | |
bb313b93 | 2380 | |
ef330312 | 2381 | return true; |
f6db1481 RH |
2382 | } |
2383 | ||
2cbf2d95 RB |
2384 | static void |
2385 | execute_pass_list_1 (opt_pass *pass) | |
f6db1481 | 2386 | { |
ef330312 | 2387 | do |
f6db1481 | 2388 | { |
9e016eba JH |
2389 | gcc_assert (pass->type == GIMPLE_PASS |
2390 | || pass->type == RTL_PASS); | |
ef330312 | 2391 | if (execute_one_pass (pass) && pass->sub) |
2cbf2d95 | 2392 | execute_pass_list_1 (pass->sub); |
ef330312 | 2393 | pass = pass->next; |
f6db1481 | 2394 | } |
ef330312 | 2395 | while (pass); |
f6db1481 RH |
2396 | } |
2397 | ||
2cbf2d95 RB |
2398 | void |
2399 | execute_pass_list (function *fn, opt_pass *pass) | |
2400 | { | |
2401 | push_cfun (fn); | |
2402 | execute_pass_list_1 (pass); | |
2403 | if (fn->cfg) | |
2404 | { | |
2405 | free_dominance_info (CDI_DOMINATORS); | |
2406 | free_dominance_info (CDI_POST_DOMINATORS); | |
2407 | } | |
2408 | pop_cfun (); | |
2409 | } | |
2410 | ||
38f4f02f BS |
2411 | /* Write out all LTO data. */ |
2412 | static void | |
2413 | write_lto (void) | |
2414 | { | |
2415 | timevar_push (TV_IPA_LTO_GIMPLE_OUT); | |
2416 | lto_output (); | |
2417 | timevar_pop (TV_IPA_LTO_GIMPLE_OUT); | |
2418 | timevar_push (TV_IPA_LTO_DECL_OUT); | |
2419 | produce_asm_for_decls (); | |
2420 | timevar_pop (TV_IPA_LTO_DECL_OUT); | |
2421 | } | |
2422 | ||
ef330312 | 2423 | /* Same as execute_pass_list but assume that subpasses of IPA passes |
d7f09764 DN |
2424 | are local passes. If SET is not NULL, write out summaries of only |
2425 | those node in SET. */ | |
2426 | ||
2427 | static void | |
6a5ac314 | 2428 | ipa_write_summaries_2 (opt_pass *pass, struct lto_out_decl_state *state) |
d7f09764 DN |
2429 | { |
2430 | while (pass) | |
2431 | { | |
6a5ac314 | 2432 | ipa_opt_pass_d *ipa_pass = (ipa_opt_pass_d *)pass; |
d7f09764 DN |
2433 | gcc_assert (!current_function_decl); |
2434 | gcc_assert (!cfun); | |
2435 | gcc_assert (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS); | |
2436 | if (pass->type == IPA_PASS | |
2437 | && ipa_pass->write_summary | |
1a3d085c | 2438 | && pass->gate (cfun)) |
d7f09764 DN |
2439 | { |
2440 | /* If a timevar is present, start it. */ | |
2441 | if (pass->tv_id) | |
2442 | timevar_push (pass->tv_id); | |
2443 | ||
f59292da JH |
2444 | pass_init_dump_file (pass); |
2445 | ||
3edf64aa | 2446 | current_pass = pass; |
f27c1867 | 2447 | ipa_pass->write_summary (); |
d7f09764 | 2448 | |
f59292da JH |
2449 | pass_fini_dump_file (pass); |
2450 | ||
d7f09764 DN |
2451 | /* If a timevar is present, start it. */ |
2452 | if (pass->tv_id) | |
2453 | timevar_pop (pass->tv_id); | |
2454 | } | |
2455 | ||
2456 | if (pass->sub && pass->sub->type != GIMPLE_PASS) | |
f27c1867 | 2457 | ipa_write_summaries_2 (pass->sub, state); |
d7f09764 DN |
2458 | |
2459 | pass = pass->next; | |
2460 | } | |
2461 | } | |
2462 | ||
2463 | /* Helper function of ipa_write_summaries. Creates and destroys the | |
2464 | decl state and calls ipa_write_summaries_2 for all passes that have | |
2465 | summaries. SET is the set of nodes to be written. */ | |
2466 | ||
2467 | static void | |
7b99cca4 | 2468 | ipa_write_summaries_1 (lto_symtab_encoder_t encoder) |
d7f09764 | 2469 | { |
315f8c0e | 2470 | pass_manager *passes = g->get_passes (); |
d7f09764 | 2471 | struct lto_out_decl_state *state = lto_new_out_decl_state (); |
b4661bfe | 2472 | state->symtab_node_encoder = encoder; |
5c4f225f | 2473 | |
db847fa8 | 2474 | lto_output_init_mode_table (); |
d7f09764 DN |
2475 | lto_push_out_decl_state (state); |
2476 | ||
e792884f | 2477 | gcc_assert (!flag_wpa); |
315f8c0e | 2478 | ipa_write_summaries_2 (passes->all_regular_ipa_passes, state); |
38f4f02f BS |
2479 | |
2480 | write_lto (); | |
d7f09764 DN |
2481 | |
2482 | gcc_assert (lto_get_out_decl_state () == state); | |
2483 | lto_pop_out_decl_state (); | |
2484 | lto_delete_out_decl_state (state); | |
2485 | } | |
2486 | ||
2487 | /* Write out summaries for all the nodes in the callgraph. */ | |
2488 | ||
ef330312 | 2489 | void |
837bac8c | 2490 | ipa_write_summaries (void) |
f6db1481 | 2491 | { |
7b99cca4 | 2492 | lto_symtab_encoder_t encoder; |
d7f09764 | 2493 | int i, order_pos; |
2c8326a5 | 2494 | varpool_node *vnode; |
40a7fe1e | 2495 | struct cgraph_node *node; |
7b99cca4 | 2496 | struct cgraph_node **order; |
b8698a0f | 2497 | |
f0d78df9 | 2498 | if ((!flag_generate_lto && !flag_generate_offload) || seen_error ()) |
d7f09764 DN |
2499 | return; |
2500 | ||
837bac8c | 2501 | select_what_to_stream (); |
1f6be682 | 2502 | |
e75f8f79 | 2503 | encoder = lto_symtab_encoder_new (false); |
d7f09764 DN |
2504 | |
2505 | /* Create the callgraph set in the same order used in | |
2506 | cgraph_expand_all_functions. This mostly facilitates debugging, | |
2507 | since it causes the gimple file to be processed in the same order | |
2508 | as the source code. */ | |
3dafb85c | 2509 | order = XCNEWVEC (struct cgraph_node *, symtab->cgraph_count); |
af8bca3c | 2510 | order_pos = ipa_reverse_postorder (order); |
3dafb85c | 2511 | gcc_assert (order_pos == symtab->cgraph_count); |
d7f09764 DN |
2512 | |
2513 | for (i = order_pos - 1; i >= 0; i--) | |
8b220502 MJ |
2514 | { |
2515 | struct cgraph_node *node = order[i]; | |
2516 | ||
d52f5295 | 2517 | if (node->has_gimple_body_p ()) |
8b220502 MJ |
2518 | { |
2519 | /* When streaming out references to statements as part of some IPA | |
2520 | pass summary, the statements need to have uids assigned and the | |
2521 | following does that for all the IPA passes here. Naturally, this | |
2522 | ordering then matches the one IPA-passes get in their stmt_fixup | |
2523 | hooks. */ | |
2524 | ||
67348ccc | 2525 | push_cfun (DECL_STRUCT_FUNCTION (node->decl)); |
8b220502 MJ |
2526 | renumber_gimple_stmt_uids (); |
2527 | pop_cfun (); | |
2528 | } | |
1f6be682 | 2529 | if (node->definition && node->need_lto_streaming) |
67348ccc | 2530 | lto_set_symtab_encoder_in_partition (encoder, node); |
8b220502 | 2531 | } |
d7f09764 | 2532 | |
40a7fe1e | 2533 | FOR_EACH_DEFINED_FUNCTION (node) |
1f6be682 | 2534 | if (node->alias && node->need_lto_streaming) |
67348ccc | 2535 | lto_set_symtab_encoder_in_partition (encoder, node); |
66058468 | 2536 | FOR_EACH_DEFINED_VARIABLE (vnode) |
1f6be682 IV |
2537 | if (vnode->need_lto_streaming) |
2538 | lto_set_symtab_encoder_in_partition (encoder, vnode); | |
2942c502 | 2539 | |
b4661bfe | 2540 | ipa_write_summaries_1 (compute_ltrans_boundary (encoder)); |
d7f09764 DN |
2541 | |
2542 | free (order); | |
d7f09764 DN |
2543 | } |
2544 | ||
e792884f JH |
2545 | /* Same as execute_pass_list but assume that subpasses of IPA passes |
2546 | are local passes. If SET is not NULL, write out optimization summaries of | |
2547 | only those node in SET. */ | |
d7f09764 | 2548 | |
e792884f | 2549 | static void |
6a5ac314 OE |
2550 | ipa_write_optimization_summaries_1 (opt_pass *pass, |
2551 | struct lto_out_decl_state *state) | |
e792884f JH |
2552 | { |
2553 | while (pass) | |
2554 | { | |
6a5ac314 | 2555 | ipa_opt_pass_d *ipa_pass = (ipa_opt_pass_d *)pass; |
e792884f JH |
2556 | gcc_assert (!current_function_decl); |
2557 | gcc_assert (!cfun); | |
2558 | gcc_assert (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS); | |
2559 | if (pass->type == IPA_PASS | |
2560 | && ipa_pass->write_optimization_summary | |
1a3d085c | 2561 | && pass->gate (cfun)) |
e792884f JH |
2562 | { |
2563 | /* If a timevar is present, start it. */ | |
2564 | if (pass->tv_id) | |
2565 | timevar_push (pass->tv_id); | |
2566 | ||
f59292da JH |
2567 | pass_init_dump_file (pass); |
2568 | ||
3edf64aa | 2569 | current_pass = pass; |
f27c1867 | 2570 | ipa_pass->write_optimization_summary (); |
e792884f | 2571 | |
f59292da JH |
2572 | pass_fini_dump_file (pass); |
2573 | ||
e792884f JH |
2574 | /* If a timevar is present, start it. */ |
2575 | if (pass->tv_id) | |
2576 | timevar_pop (pass->tv_id); | |
2577 | } | |
2578 | ||
2579 | if (pass->sub && pass->sub->type != GIMPLE_PASS) | |
f27c1867 | 2580 | ipa_write_optimization_summaries_1 (pass->sub, state); |
e792884f JH |
2581 | |
2582 | pass = pass->next; | |
2583 | } | |
2584 | } | |
2585 | ||
2586 | /* Write all the optimization summaries for the cgraph nodes in SET. If SET is | |
d7f09764 DN |
2587 | NULL, write out all summaries of all nodes. */ |
2588 | ||
2589 | void | |
7b99cca4 | 2590 | ipa_write_optimization_summaries (lto_symtab_encoder_t encoder) |
d7f09764 | 2591 | { |
e792884f | 2592 | struct lto_out_decl_state *state = lto_new_out_decl_state (); |
7b99cca4 | 2593 | lto_symtab_encoder_iterator lsei; |
b4661bfe | 2594 | state->symtab_node_encoder = encoder; |
f3380641 | 2595 | |
db847fa8 | 2596 | lto_output_init_mode_table (); |
e792884f | 2597 | lto_push_out_decl_state (state); |
7b99cca4 JH |
2598 | for (lsei = lsei_start_function_in_partition (encoder); |
2599 | !lsei_end_p (lsei); lsei_next_function_in_partition (&lsei)) | |
f1395d4a | 2600 | { |
7b99cca4 | 2601 | struct cgraph_node *node = lsei_cgraph_node (lsei); |
f1395d4a JH |
2602 | /* When streaming out references to statements as part of some IPA |
2603 | pass summary, the statements need to have uids assigned. | |
2604 | ||
2605 | For functions newly born at WPA stage we need to initialize | |
2606 | the uids here. */ | |
67348ccc DM |
2607 | if (node->definition |
2608 | && gimple_has_body_p (node->decl)) | |
f1395d4a | 2609 | { |
67348ccc | 2610 | push_cfun (DECL_STRUCT_FUNCTION (node->decl)); |
f1395d4a JH |
2611 | renumber_gimple_stmt_uids (); |
2612 | pop_cfun (); | |
2613 | } | |
2614 | } | |
e792884f JH |
2615 | |
2616 | gcc_assert (flag_wpa); | |
315f8c0e DM |
2617 | pass_manager *passes = g->get_passes (); |
2618 | ipa_write_optimization_summaries_1 (passes->all_regular_ipa_passes, state); | |
38f4f02f BS |
2619 | |
2620 | write_lto (); | |
e792884f JH |
2621 | |
2622 | gcc_assert (lto_get_out_decl_state () == state); | |
2623 | lto_pop_out_decl_state (); | |
2624 | lto_delete_out_decl_state (state); | |
d7f09764 DN |
2625 | } |
2626 | ||
2627 | /* Same as execute_pass_list but assume that subpasses of IPA passes | |
2628 | are local passes. */ | |
2629 | ||
2630 | static void | |
6a5ac314 | 2631 | ipa_read_summaries_1 (opt_pass *pass) |
d7f09764 DN |
2632 | { |
2633 | while (pass) | |
f6db1481 | 2634 | { |
6a5ac314 | 2635 | ipa_opt_pass_d *ipa_pass = (ipa_opt_pass_d *) pass; |
d7f09764 | 2636 | |
a5093353 JH |
2637 | gcc_assert (!current_function_decl); |
2638 | gcc_assert (!cfun); | |
17653c00 | 2639 | gcc_assert (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS); |
d7f09764 | 2640 | |
1a3d085c | 2641 | if (pass->gate (cfun)) |
17653c00 | 2642 | { |
d7f09764 | 2643 | if (pass->type == IPA_PASS && ipa_pass->read_summary) |
17653c00 | 2644 | { |
d7f09764 DN |
2645 | /* If a timevar is present, start it. */ |
2646 | if (pass->tv_id) | |
2647 | timevar_push (pass->tv_id); | |
2648 | ||
f59292da JH |
2649 | pass_init_dump_file (pass); |
2650 | ||
3edf64aa | 2651 | current_pass = pass; |
d7f09764 DN |
2652 | ipa_pass->read_summary (); |
2653 | ||
f59292da JH |
2654 | pass_fini_dump_file (pass); |
2655 | ||
d7f09764 DN |
2656 | /* Stop timevar. */ |
2657 | if (pass->tv_id) | |
2658 | timevar_pop (pass->tv_id); | |
17653c00 | 2659 | } |
d7f09764 DN |
2660 | |
2661 | if (pass->sub && pass->sub->type != GIMPLE_PASS) | |
2662 | ipa_read_summaries_1 (pass->sub); | |
17653c00 | 2663 | } |
d7f09764 DN |
2664 | pass = pass->next; |
2665 | } | |
2666 | } | |
2667 | ||
2668 | ||
38f4f02f | 2669 | /* Read all the summaries for all_regular_ipa_passes. */ |
d7f09764 DN |
2670 | |
2671 | void | |
2672 | ipa_read_summaries (void) | |
2673 | { | |
315f8c0e DM |
2674 | pass_manager *passes = g->get_passes (); |
2675 | ipa_read_summaries_1 (passes->all_regular_ipa_passes); | |
d7f09764 DN |
2676 | } |
2677 | ||
e792884f JH |
2678 | /* Same as execute_pass_list but assume that subpasses of IPA passes |
2679 | are local passes. */ | |
2680 | ||
2681 | static void | |
6a5ac314 | 2682 | ipa_read_optimization_summaries_1 (opt_pass *pass) |
e792884f JH |
2683 | { |
2684 | while (pass) | |
2685 | { | |
6a5ac314 | 2686 | ipa_opt_pass_d *ipa_pass = (ipa_opt_pass_d *) pass; |
e792884f JH |
2687 | |
2688 | gcc_assert (!current_function_decl); | |
2689 | gcc_assert (!cfun); | |
2690 | gcc_assert (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS); | |
2691 | ||
1a3d085c | 2692 | if (pass->gate (cfun)) |
e792884f JH |
2693 | { |
2694 | if (pass->type == IPA_PASS && ipa_pass->read_optimization_summary) | |
2695 | { | |
2696 | /* If a timevar is present, start it. */ | |
2697 | if (pass->tv_id) | |
2698 | timevar_push (pass->tv_id); | |
2699 | ||
f59292da JH |
2700 | pass_init_dump_file (pass); |
2701 | ||
3edf64aa | 2702 | current_pass = pass; |
e792884f JH |
2703 | ipa_pass->read_optimization_summary (); |
2704 | ||
f59292da JH |
2705 | pass_fini_dump_file (pass); |
2706 | ||
e792884f JH |
2707 | /* Stop timevar. */ |
2708 | if (pass->tv_id) | |
2709 | timevar_pop (pass->tv_id); | |
2710 | } | |
2711 | ||
2712 | if (pass->sub && pass->sub->type != GIMPLE_PASS) | |
2713 | ipa_read_optimization_summaries_1 (pass->sub); | |
2714 | } | |
2715 | pass = pass->next; | |
2716 | } | |
2717 | } | |
2718 | ||
38f4f02f | 2719 | /* Read all the summaries for all_regular_ipa_passes. */ |
e792884f JH |
2720 | |
2721 | void | |
2722 | ipa_read_optimization_summaries (void) | |
2723 | { | |
315f8c0e DM |
2724 | pass_manager *passes = g->get_passes (); |
2725 | ipa_read_optimization_summaries_1 (passes->all_regular_ipa_passes); | |
e792884f JH |
2726 | } |
2727 | ||
d7f09764 DN |
2728 | /* Same as execute_pass_list but assume that subpasses of IPA passes |
2729 | are local passes. */ | |
2730 | void | |
6a5ac314 | 2731 | execute_ipa_pass_list (opt_pass *pass) |
d7f09764 DN |
2732 | { |
2733 | do | |
2734 | { | |
2735 | gcc_assert (!current_function_decl); | |
2736 | gcc_assert (!cfun); | |
2737 | gcc_assert (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS); | |
ef330312 | 2738 | if (execute_one_pass (pass) && pass->sub) |
9e016eba JH |
2739 | { |
2740 | if (pass->sub->type == GIMPLE_PASS) | |
090fa0ab GF |
2741 | { |
2742 | invoke_plugin_callbacks (PLUGIN_EARLY_GIMPLE_PASSES_START, NULL); | |
2cbf2d95 RB |
2743 | do_per_function_toporder ((void (*)(function *, void *)) |
2744 | execute_pass_list, | |
090fa0ab GF |
2745 | pass->sub); |
2746 | invoke_plugin_callbacks (PLUGIN_EARLY_GIMPLE_PASSES_END, NULL); | |
2747 | } | |
17653c00 JH |
2748 | else if (pass->sub->type == SIMPLE_IPA_PASS |
2749 | || pass->sub->type == IPA_PASS) | |
9e016eba JH |
2750 | execute_ipa_pass_list (pass->sub); |
2751 | else | |
2752 | gcc_unreachable (); | |
2753 | } | |
d7f09764 | 2754 | gcc_assert (!current_function_decl); |
3dafb85c | 2755 | symtab->process_new_functions (); |
ef330312 | 2756 | pass = pass->next; |
f6db1481 | 2757 | } |
ef330312 | 2758 | while (pass); |
97b0ade3 | 2759 | } |
9fe0cb7d | 2760 | |
2c5721d9 MJ |
2761 | /* Execute stmt fixup hooks of all passes in PASS for NODE and STMTS. */ |
2762 | ||
2763 | static void | |
6a5ac314 | 2764 | execute_ipa_stmt_fixups (opt_pass *pass, |
355fe088 | 2765 | struct cgraph_node *node, gimple **stmts) |
2c5721d9 MJ |
2766 | { |
2767 | while (pass) | |
2768 | { | |
2769 | /* Execute all of the IPA_PASSes in the list. */ | |
2770 | if (pass->type == IPA_PASS | |
1a3d085c | 2771 | && pass->gate (cfun)) |
2c5721d9 | 2772 | { |
6a5ac314 | 2773 | ipa_opt_pass_d *ipa_pass = (ipa_opt_pass_d *) pass; |
2c5721d9 MJ |
2774 | |
2775 | if (ipa_pass->stmt_fixup) | |
2776 | { | |
2777 | pass_init_dump_file (pass); | |
2778 | /* If a timevar is present, start it. */ | |
2779 | if (pass->tv_id) | |
2780 | timevar_push (pass->tv_id); | |
2781 | ||
3edf64aa | 2782 | current_pass = pass; |
2c5721d9 MJ |
2783 | ipa_pass->stmt_fixup (node, stmts); |
2784 | ||
2785 | /* Stop timevar. */ | |
2786 | if (pass->tv_id) | |
2787 | timevar_pop (pass->tv_id); | |
2788 | pass_fini_dump_file (pass); | |
2789 | } | |
2790 | if (pass->sub) | |
2791 | execute_ipa_stmt_fixups (pass->sub, node, stmts); | |
2792 | } | |
2793 | pass = pass->next; | |
2794 | } | |
2795 | } | |
2796 | ||
2797 | /* Execute stmt fixup hooks of all IPA passes for NODE and STMTS. */ | |
2798 | ||
2799 | void | |
355fe088 | 2800 | execute_all_ipa_stmt_fixups (struct cgraph_node *node, gimple **stmts) |
2c5721d9 | 2801 | { |
315f8c0e DM |
2802 | pass_manager *passes = g->get_passes (); |
2803 | execute_ipa_stmt_fixups (passes->all_regular_ipa_passes, node, stmts); | |
2c5721d9 MJ |
2804 | } |
2805 | ||
2806 | ||
d7f09764 DN |
2807 | extern void debug_properties (unsigned int); |
2808 | extern void dump_properties (FILE *, unsigned int); | |
2809 | ||
24e47c76 | 2810 | DEBUG_FUNCTION void |
d7f09764 DN |
2811 | dump_properties (FILE *dump, unsigned int props) |
2812 | { | |
2813 | fprintf (dump, "Properties:\n"); | |
2814 | if (props & PROP_gimple_any) | |
2815 | fprintf (dump, "PROP_gimple_any\n"); | |
2816 | if (props & PROP_gimple_lcf) | |
2817 | fprintf (dump, "PROP_gimple_lcf\n"); | |
2818 | if (props & PROP_gimple_leh) | |
2819 | fprintf (dump, "PROP_gimple_leh\n"); | |
2820 | if (props & PROP_cfg) | |
2821 | fprintf (dump, "PROP_cfg\n"); | |
d7f09764 DN |
2822 | if (props & PROP_ssa) |
2823 | fprintf (dump, "PROP_ssa\n"); | |
2824 | if (props & PROP_no_crit_edges) | |
2825 | fprintf (dump, "PROP_no_crit_edges\n"); | |
2826 | if (props & PROP_rtl) | |
2827 | fprintf (dump, "PROP_rtl\n"); | |
2828 | if (props & PROP_gimple_lomp) | |
2829 | fprintf (dump, "PROP_gimple_lomp\n"); | |
688a482d RG |
2830 | if (props & PROP_gimple_lcx) |
2831 | fprintf (dump, "PROP_gimple_lcx\n"); | |
6f37411d MG |
2832 | if (props & PROP_gimple_lvec) |
2833 | fprintf (dump, "PROP_gimple_lvec\n"); | |
24e47c76 JH |
2834 | if (props & PROP_cfglayout) |
2835 | fprintf (dump, "PROP_cfglayout\n"); | |
d7f09764 DN |
2836 | } |
2837 | ||
24e47c76 | 2838 | DEBUG_FUNCTION void |
d7f09764 DN |
2839 | debug_properties (unsigned int props) |
2840 | { | |
2841 | dump_properties (stderr, props); | |
2842 | } | |
2843 | ||
33977f81 JH |
2844 | /* Called by local passes to see if function is called by already processed nodes. |
2845 | Because we process nodes in topological order, this means that function is | |
2846 | in recursive cycle or we introduced new direct calls. */ | |
2847 | bool | |
2848 | function_called_by_processed_nodes_p (void) | |
2849 | { | |
2850 | struct cgraph_edge *e; | |
d52f5295 | 2851 | for (e = cgraph_node::get (current_function_decl)->callers; |
581985d7 MJ |
2852 | e; |
2853 | e = e->next_caller) | |
33977f81 | 2854 | { |
67348ccc | 2855 | if (e->caller->decl == current_function_decl) |
33977f81 | 2856 | continue; |
d52f5295 | 2857 | if (!e->caller->has_gimple_body_p ()) |
33977f81 | 2858 | continue; |
67348ccc | 2859 | if (TREE_ASM_WRITTEN (e->caller->decl)) |
33977f81 JH |
2860 | continue; |
2861 | if (!e->caller->process && !e->caller->global.inlined_to) | |
2862 | break; | |
2863 | } | |
2864 | if (dump_file && e) | |
2865 | { | |
2866 | fprintf (dump_file, "Already processed call to:\n"); | |
d52f5295 | 2867 | e->caller->dump (dump_file); |
33977f81 JH |
2868 | } |
2869 | return e != NULL; | |
2870 | } | |
2871 | ||
873aa8f5 | 2872 | #include "gt-passes.h" |