Mercurial > hg > CbC > CbC_gcc
annotate gcc/passes.c @ 67:f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
| author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 22 Mar 2011 17:18:12 +0900 |
| parents | b7f97abdc517 |
| children | 1b10fe6932e1 04ced10e8804 |
| rev | line source |
|---|---|
| 0 | 1 /* Top level of GCC compilers (cc1, cc1plus, etc.) |
| 2 Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, | |
|
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3 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
| 0 | 4 Free Software Foundation, Inc. |
| 5 | |
| 6 This file is part of GCC. | |
| 7 | |
| 8 GCC is free software; you can redistribute it and/or modify it under | |
| 9 the terms of the GNU General Public License as published by the Free | |
| 10 Software Foundation; either version 3, or (at your option) any later | |
| 11 version. | |
| 12 | |
| 13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 14 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 19 along with GCC; see the file COPYING3. If not see | |
| 20 <http://www.gnu.org/licenses/>. */ | |
| 21 | |
| 22 /* This is the top level of cc1/c++. | |
| 23 It parses command args, opens files, invokes the various passes | |
| 24 in the proper order, and counts the time used by each. | |
| 25 Error messages and low-level interface to malloc also handled here. */ | |
| 26 | |
| 27 #include "config.h" | |
| 28 #include "system.h" | |
| 29 #include "coretypes.h" | |
| 30 #include "tm.h" | |
| 31 #include "line-map.h" | |
| 32 #include "input.h" | |
| 33 #include "tree.h" | |
| 34 #include "rtl.h" | |
| 35 #include "tm_p.h" | |
| 36 #include "flags.h" | |
| 37 #include "insn-attr.h" | |
| 38 #include "insn-config.h" | |
| 39 #include "insn-flags.h" | |
| 40 #include "hard-reg-set.h" | |
| 41 #include "recog.h" | |
| 42 #include "output.h" | |
| 43 #include "except.h" | |
| 44 #include "function.h" | |
| 45 #include "toplev.h" | |
| 46 #include "expr.h" | |
| 47 #include "basic-block.h" | |
| 48 #include "intl.h" | |
| 49 #include "ggc.h" | |
| 50 #include "graph.h" | |
| 51 #include "regs.h" | |
| 52 #include "timevar.h" | |
|
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53 #include "diagnostic-core.h" |
| 0 | 54 #include "params.h" |
| 55 #include "reload.h" | |
| 56 #include "dwarf2asm.h" | |
| 57 #include "integrate.h" | |
| 58 #include "debug.h" | |
| 59 #include "target.h" | |
| 60 #include "langhooks.h" | |
| 61 #include "cfglayout.h" | |
| 62 #include "cfgloop.h" | |
| 63 #include "hosthooks.h" | |
| 64 #include "cgraph.h" | |
| 65 #include "opts.h" | |
| 66 #include "coverage.h" | |
| 67 #include "value-prof.h" | |
| 68 #include "tree-inline.h" | |
| 69 #include "tree-flow.h" | |
| 70 #include "tree-pass.h" | |
| 71 #include "tree-dump.h" | |
| 72 #include "df.h" | |
| 73 #include "predict.h" | |
|
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74 #include "lto-streamer.h" |
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75 #include "plugin.h" |
| 0 | 76 |
| 77 #if defined (DWARF2_UNWIND_INFO) || defined (DWARF2_DEBUGGING_INFO) | |
| 78 #include "dwarf2out.h" | |
| 79 #endif | |
| 80 | |
| 81 #if defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO) | |
| 82 #include "dbxout.h" | |
| 83 #endif | |
| 84 | |
| 85 #ifdef SDB_DEBUGGING_INFO | |
| 86 #include "sdbout.h" | |
| 87 #endif | |
| 88 | |
| 89 #ifdef XCOFF_DEBUGGING_INFO | |
| 90 #include "xcoffout.h" /* Needed for external data | |
| 91 declarations for e.g. AIX 4.x. */ | |
| 92 #endif | |
| 93 | |
| 94 /* This is used for debugging. It allows the current pass to printed | |
|
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95 from anywhere in compilation. |
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96 The variable current_pass is also used for statistics and plugins. */ |
| 0 | 97 struct opt_pass *current_pass; |
| 98 | |
| 99 /* Call from anywhere to find out what pass this is. Useful for | |
| 100 printing out debugging information deep inside an service | |
| 101 routine. */ | |
| 102 void | |
| 103 print_current_pass (FILE *file) | |
| 104 { | |
| 105 if (current_pass) | |
|
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106 fprintf (file, "current pass = %s (%d)\n", |
| 0 | 107 current_pass->name, current_pass->static_pass_number); |
| 108 else | |
| 109 fprintf (file, "no current pass.\n"); | |
| 110 } | |
| 111 | |
| 112 | |
| 113 /* Call from the debugger to get the current pass name. */ | |
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114 DEBUG_FUNCTION void |
| 0 | 115 debug_pass (void) |
| 116 { | |
| 117 print_current_pass (stderr); | |
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118 } |
| 0 | 119 |
| 120 | |
| 121 | |
| 122 /* Global variables used to communicate with passes. */ | |
| 123 int dump_flags; | |
| 124 bool in_gimple_form; | |
| 125 bool first_pass_instance; | |
| 126 | |
| 127 | |
| 128 /* This is called from various places for FUNCTION_DECL, VAR_DECL, | |
| 129 and TYPE_DECL nodes. | |
| 130 | |
| 131 This does nothing for local (non-static) variables, unless the | |
| 132 variable is a register variable with DECL_ASSEMBLER_NAME set. In | |
| 133 that case, or if the variable is not an automatic, it sets up the | |
| 134 RTL and outputs any assembler code (label definition, storage | |
| 135 allocation and initialization). | |
| 136 | |
| 137 DECL is the declaration. TOP_LEVEL is nonzero | |
| 138 if this declaration is not within a function. */ | |
| 139 | |
| 140 void | |
| 141 rest_of_decl_compilation (tree decl, | |
| 142 int top_level, | |
| 143 int at_end) | |
| 144 { | |
| 145 /* We deferred calling assemble_alias so that we could collect | |
| 146 other attributes such as visibility. Emit the alias now. */ | |
|
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147 if (!in_lto_p) |
| 0 | 148 { |
| 149 tree alias; | |
| 150 alias = lookup_attribute ("alias", DECL_ATTRIBUTES (decl)); | |
| 151 if (alias) | |
| 152 { | |
| 153 alias = TREE_VALUE (TREE_VALUE (alias)); | |
| 154 alias = get_identifier (TREE_STRING_POINTER (alias)); | |
| 155 assemble_alias (decl, alias); | |
| 156 } | |
| 157 } | |
| 158 | |
| 159 /* Can't defer this, because it needs to happen before any | |
| 160 later function definitions are processed. */ | |
| 161 if (DECL_ASSEMBLER_NAME_SET_P (decl) && DECL_REGISTER (decl)) | |
| 162 make_decl_rtl (decl); | |
| 163 | |
| 164 /* Forward declarations for nested functions are not "external", | |
| 165 but we need to treat them as if they were. */ | |
| 166 if (TREE_STATIC (decl) || DECL_EXTERNAL (decl) | |
| 167 || TREE_CODE (decl) == FUNCTION_DECL) | |
| 168 { | |
| 169 timevar_push (TV_VARCONST); | |
| 170 | |
| 171 /* Don't output anything when a tentative file-scope definition | |
| 172 is seen. But at end of compilation, do output code for them. | |
| 173 | |
| 174 We do output all variables and rely on | |
| 175 callgraph code to defer them except for forward declarations | |
| 176 (see gcc.c-torture/compile/920624-1.c) */ | |
| 177 if ((at_end | |
| 178 || !DECL_DEFER_OUTPUT (decl) | |
| 179 || DECL_INITIAL (decl)) | |
| 180 && !DECL_EXTERNAL (decl)) | |
| 181 { | |
|
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182 /* When reading LTO unit, we also read varpool, so do not |
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183 rebuild it. */ |
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184 if (in_lto_p && !at_end) |
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185 ; |
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186 else if (TREE_CODE (decl) != FUNCTION_DECL) |
| 0 | 187 varpool_finalize_decl (decl); |
| 188 } | |
| 189 | |
| 190 #ifdef ASM_FINISH_DECLARE_OBJECT | |
| 191 if (decl == last_assemble_variable_decl) | |
| 192 { | |
| 193 ASM_FINISH_DECLARE_OBJECT (asm_out_file, decl, | |
| 194 top_level, at_end); | |
| 195 } | |
| 196 #endif | |
| 197 | |
| 198 timevar_pop (TV_VARCONST); | |
| 199 } | |
| 200 else if (TREE_CODE (decl) == TYPE_DECL | |
| 201 /* Like in rest_of_type_compilation, avoid confusing the debug | |
| 202 information machinery when there are errors. */ | |
|
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203 && !seen_error ()) |
| 0 | 204 { |
| 205 timevar_push (TV_SYMOUT); | |
| 206 debug_hooks->type_decl (decl, !top_level); | |
| 207 timevar_pop (TV_SYMOUT); | |
| 208 } | |
| 209 | |
| 210 /* Let cgraph know about the existence of variables. */ | |
|
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211 if (in_lto_p && !at_end) |
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212 ; |
|
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213 else if (TREE_CODE (decl) == VAR_DECL && !DECL_EXTERNAL (decl) |
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214 && TREE_STATIC (decl)) |
| 0 | 215 varpool_node (decl); |
| 216 } | |
| 217 | |
| 218 /* Called after finishing a record, union or enumeral type. */ | |
| 219 | |
| 220 void | |
| 221 rest_of_type_compilation (tree type, int toplev) | |
| 222 { | |
| 223 /* Avoid confusing the debug information machinery when there are | |
| 224 errors. */ | |
|
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225 if (seen_error ()) |
| 0 | 226 return; |
| 227 | |
| 228 timevar_push (TV_SYMOUT); | |
| 229 debug_hooks->type_decl (TYPE_STUB_DECL (type), !toplev); | |
| 230 timevar_pop (TV_SYMOUT); | |
| 231 } | |
| 232 | |
| 233 | |
| 234 | |
| 235 void | |
| 236 finish_optimization_passes (void) | |
| 237 { | |
|
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238 int i; |
| 0 | 239 struct dump_file_info *dfi; |
| 240 char *name; | |
| 241 | |
| 242 timevar_push (TV_DUMP); | |
| 243 if (profile_arc_flag || flag_test_coverage || flag_branch_probabilities) | |
| 244 { | |
| 245 dump_file = dump_begin (pass_profile.pass.static_pass_number, NULL); | |
| 246 end_branch_prob (); | |
| 247 if (dump_file) | |
| 248 dump_end (pass_profile.pass.static_pass_number, dump_file); | |
| 249 } | |
| 250 | |
| 251 if (optimize > 0) | |
| 252 { | |
| 253 dump_file = dump_begin (pass_combine.pass.static_pass_number, NULL); | |
| 254 if (dump_file) | |
| 255 { | |
| 256 dump_combine_total_stats (dump_file); | |
| 257 dump_end (pass_combine.pass.static_pass_number, dump_file); | |
| 258 } | |
| 259 } | |
| 260 | |
| 261 /* Do whatever is necessary to finish printing the graphs. */ | |
| 262 if (graph_dump_format != no_graph) | |
| 263 for (i = TDI_end; (dfi = get_dump_file_info (i)) != NULL; ++i) | |
| 264 if (dump_initialized_p (i) | |
| 265 && (dfi->flags & TDF_GRAPH) != 0 | |
| 266 && (name = get_dump_file_name (i)) != NULL) | |
| 267 { | |
| 268 finish_graph_dump_file (name); | |
| 269 free (name); | |
| 270 } | |
| 271 | |
| 272 timevar_pop (TV_DUMP); | |
| 273 } | |
| 274 | |
| 275 static bool | |
| 276 gate_rest_of_compilation (void) | |
| 277 { | |
| 278 /* Early return if there were errors. We can run afoul of our | |
| 279 consistency checks, and there's not really much point in fixing them. */ | |
|
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280 return !(rtl_dump_and_exit || flag_syntax_only || seen_error ()); |
| 0 | 281 } |
| 282 | |
| 283 struct gimple_opt_pass pass_rest_of_compilation = | |
| 284 { | |
| 285 { | |
| 286 GIMPLE_PASS, | |
|
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287 "*rest_of_compilation", /* name */ |
| 0 | 288 gate_rest_of_compilation, /* gate */ |
| 289 NULL, /* execute */ | |
| 290 NULL, /* sub */ | |
| 291 NULL, /* next */ | |
| 292 0, /* static_pass_number */ | |
| 293 TV_REST_OF_COMPILATION, /* tv_id */ | |
| 294 PROP_rtl, /* properties_required */ | |
| 295 0, /* properties_provided */ | |
| 296 0, /* properties_destroyed */ | |
| 297 0, /* todo_flags_start */ | |
| 298 TODO_ggc_collect /* todo_flags_finish */ | |
| 299 } | |
| 300 }; | |
| 301 | |
| 302 static bool | |
| 303 gate_postreload (void) | |
| 304 { | |
| 305 return reload_completed; | |
| 306 } | |
| 307 | |
| 308 struct rtl_opt_pass pass_postreload = | |
| 309 { | |
| 310 { | |
| 311 RTL_PASS, | |
|
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312 "*all-postreload", /* name */ |
| 0 | 313 gate_postreload, /* gate */ |
| 314 NULL, /* execute */ | |
| 315 NULL, /* sub */ | |
| 316 NULL, /* next */ | |
| 317 0, /* static_pass_number */ | |
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318 TV_POSTRELOAD, /* tv_id */ |
| 0 | 319 PROP_rtl, /* properties_required */ |
| 320 0, /* properties_provided */ | |
| 321 0, /* properties_destroyed */ | |
| 322 0, /* todo_flags_start */ | |
| 323 TODO_ggc_collect | TODO_verify_rtl_sharing /* todo_flags_finish */ | |
| 324 } | |
| 325 }; | |
| 326 | |
| 327 | |
| 328 | |
| 329 /* The root of the compilation pass tree, once constructed. */ | |
|
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330 struct opt_pass *all_passes, *all_small_ipa_passes, *all_lowering_passes, |
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331 *all_regular_ipa_passes, *all_lto_gen_passes; |
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332 |
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333 /* This is used by plugins, and should also be used in register_pass. */ |
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334 #define DEF_PASS_LIST(LIST) &LIST, |
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335 struct opt_pass **gcc_pass_lists[] = { GCC_PASS_LISTS NULL }; |
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336 #undef DEF_PASS_LIST |
| 0 | 337 |
| 338 /* A map from static pass id to optimization pass. */ | |
| 339 struct opt_pass **passes_by_id; | |
| 340 int passes_by_id_size; | |
| 341 | |
| 342 /* Set the static pass number of pass PASS to ID and record that | |
| 343 in the mapping from static pass number to pass. */ | |
| 344 | |
| 345 static void | |
| 346 set_pass_for_id (int id, struct opt_pass *pass) | |
| 347 { | |
| 348 pass->static_pass_number = id; | |
| 349 if (passes_by_id_size <= id) | |
| 350 { | |
| 351 passes_by_id = XRESIZEVEC (struct opt_pass *, passes_by_id, id + 1); | |
| 352 memset (passes_by_id + passes_by_id_size, 0, | |
| 353 (id + 1 - passes_by_id_size) * sizeof (void *)); | |
| 354 passes_by_id_size = id + 1; | |
| 355 } | |
| 356 passes_by_id[id] = pass; | |
| 357 } | |
| 358 | |
| 359 /* Return the pass with the static pass number ID. */ | |
| 360 | |
| 361 struct opt_pass * | |
| 362 get_pass_for_id (int id) | |
| 363 { | |
| 364 if (id >= passes_by_id_size) | |
| 365 return NULL; | |
| 366 return passes_by_id[id]; | |
| 367 } | |
| 368 | |
| 369 /* Iterate over the pass tree allocating dump file numbers. We want | |
| 370 to do this depth first, and independent of whether the pass is | |
| 371 enabled or not. */ | |
| 372 | |
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373 void |
| 0 | 374 register_one_dump_file (struct opt_pass *pass) |
| 375 { | |
| 376 char *dot_name, *flag_name, *glob_name; | |
|
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377 const char *name, *prefix; |
| 0 | 378 char num[10]; |
| 379 int flags, id; | |
| 380 | |
| 381 /* See below in next_pass_1. */ | |
| 382 num[0] = '\0'; | |
| 383 if (pass->static_pass_number != -1) | |
| 384 sprintf (num, "%d", ((int) pass->static_pass_number < 0 | |
| 385 ? 1 : pass->static_pass_number)); | |
| 386 | |
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387 /* The name is both used to identify the pass for the purposes of plugins, |
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388 and to specify dump file name and option. |
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389 The latter two might want something short which is not quite unique; for |
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390 that reason, we may have a disambiguating prefix, followed by a space |
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391 to mark the start of the following dump file name / option string. */ |
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392 name = strchr (pass->name, ' '); |
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393 name = name ? name + 1 : pass->name; |
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394 dot_name = concat (".", name, num, NULL); |
| 0 | 395 if (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS) |
| 396 prefix = "ipa-", flags = TDF_IPA; | |
| 397 else if (pass->type == GIMPLE_PASS) | |
| 398 prefix = "tree-", flags = TDF_TREE; | |
| 399 else | |
| 400 prefix = "rtl-", flags = TDF_RTL; | |
| 401 | |
|
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402 flag_name = concat (prefix, name, num, NULL); |
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403 glob_name = concat (prefix, name, NULL); |
| 0 | 404 id = dump_register (dot_name, flag_name, glob_name, flags); |
| 405 set_pass_for_id (id, pass); | |
| 406 } | |
| 407 | |
| 408 /* Recursive worker function for register_dump_files. */ | |
| 409 | |
|
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410 static int |
| 0 | 411 register_dump_files_1 (struct opt_pass *pass, int properties) |
| 412 { | |
| 413 do | |
| 414 { | |
| 415 int new_properties = (properties | pass->properties_provided) | |
| 416 & ~pass->properties_destroyed; | |
| 417 | |
| 418 if (pass->name && pass->name[0] != '*') | |
| 419 register_one_dump_file (pass); | |
| 420 | |
| 421 if (pass->sub) | |
| 422 new_properties = register_dump_files_1 (pass->sub, new_properties); | |
| 423 | |
| 424 /* If we have a gate, combine the properties that we could have with | |
| 425 and without the pass being examined. */ | |
| 426 if (pass->gate) | |
| 427 properties &= new_properties; | |
| 428 else | |
| 429 properties = new_properties; | |
| 430 | |
| 431 pass = pass->next; | |
| 432 } | |
| 433 while (pass); | |
| 434 | |
| 435 return properties; | |
| 436 } | |
| 437 | |
|
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438 /* Register the dump files for the pipeline starting at PASS. |
| 0 | 439 PROPERTIES reflects the properties that are guaranteed to be available at |
| 440 the beginning of the pipeline. */ | |
| 441 | |
|
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442 static void |
| 0 | 443 register_dump_files (struct opt_pass *pass,int properties) |
| 444 { | |
| 445 pass->properties_required |= properties; | |
| 446 register_dump_files_1 (pass, properties); | |
| 447 } | |
| 448 | |
|
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449 /* Look at the static_pass_number and duplicate the pass |
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450 if it is already added to a list. */ |
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451 |
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452 static struct opt_pass * |
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453 make_pass_instance (struct opt_pass *pass, bool track_duplicates) |
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454 { |
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455 /* A nonzero static_pass_number indicates that the |
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456 pass is already in the list. */ |
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457 if (pass->static_pass_number) |
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458 { |
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459 struct opt_pass *new_pass; |
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460 |
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461 if (pass->type == GIMPLE_PASS |
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462 || pass->type == RTL_PASS |
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463 || pass->type == SIMPLE_IPA_PASS) |
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464 { |
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465 new_pass = XNEW (struct opt_pass); |
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466 memcpy (new_pass, pass, sizeof (struct opt_pass)); |
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467 } |
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468 else if (pass->type == IPA_PASS) |
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469 { |
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470 new_pass = (struct opt_pass *)XNEW (struct ipa_opt_pass_d); |
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471 memcpy (new_pass, pass, sizeof (struct ipa_opt_pass_d)); |
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472 } |
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473 else |
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474 gcc_unreachable (); |
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475 |
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476 new_pass->next = NULL; |
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477 |
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478 new_pass->todo_flags_start &= ~TODO_mark_first_instance; |
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479 |
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480 /* Indicate to register_dump_files that this pass has duplicates, |
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481 and so it should rename the dump file. The first instance will |
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482 be -1, and be number of duplicates = -static_pass_number - 1. |
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483 Subsequent instances will be > 0 and just the duplicate number. */ |
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484 if ((pass->name && pass->name[0] != '*') || track_duplicates) |
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485 { |
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486 pass->static_pass_number -= 1; |
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487 new_pass->static_pass_number = -pass->static_pass_number; |
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488 } |
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489 return new_pass; |
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490 } |
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491 else |
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492 { |
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493 pass->todo_flags_start |= TODO_mark_first_instance; |
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494 pass->static_pass_number = -1; |
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495 |
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496 invoke_plugin_callbacks (PLUGIN_NEW_PASS, pass); |
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497 } |
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498 return pass; |
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499 } |
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500 |
| 0 | 501 /* Add a pass to the pass list. Duplicate the pass if it's already |
| 502 in the list. */ | |
| 503 | |
| 504 static struct opt_pass ** | |
| 505 next_pass_1 (struct opt_pass **list, struct opt_pass *pass) | |
| 506 { | |
|
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507 /* Every pass should have a name so that plugins can refer to them. */ |
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508 gcc_assert (pass->name != NULL); |
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509 |
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510 *list = make_pass_instance (pass, false); |
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511 |
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512 return &(*list)->next; |
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513 } |
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514 |
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515 /* List node for an inserted pass instance. We need to keep track of all |
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516 the newly-added pass instances (with 'added_pass_nodes' defined below) |
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517 so that we can register their dump files after pass-positioning is finished. |
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518 Registering dumping files needs to be post-processed or the |
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519 static_pass_number of the opt_pass object would be modified and mess up |
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520 the dump file names of future pass instances to be added. */ |
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521 |
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522 struct pass_list_node |
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523 { |
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524 struct opt_pass *pass; |
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525 struct pass_list_node *next; |
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526 }; |
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527 |
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528 static struct pass_list_node *added_pass_nodes = NULL; |
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529 static struct pass_list_node *prev_added_pass_node; |
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530 |
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531 /* Insert the pass at the proper position. Return true if the pass |
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532 is successfully added. |
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533 |
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534 NEW_PASS_INFO - new pass to be inserted |
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535 PASS_LIST - root of the pass list to insert the new pass to */ |
| 0 | 536 |
|
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537 static bool |
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538 position_pass (struct register_pass_info *new_pass_info, |
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update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
539 struct opt_pass **pass_list) |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
540 { |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
541 struct opt_pass *pass = *pass_list, *prev_pass = NULL; |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
542 bool success = false; |
| 0 | 543 |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
544 for ( ; pass; prev_pass = pass, pass = pass->next) |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
545 { |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
546 /* Check if the current pass is of the same type as the new pass and |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
547 matches the name and the instance number of the reference pass. */ |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
548 if (pass->type == new_pass_info->pass->type |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
549 && pass->name |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
550 && !strcmp (pass->name, new_pass_info->reference_pass_name) |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
551 && ((new_pass_info->ref_pass_instance_number == 0) |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
552 || (new_pass_info->ref_pass_instance_number == |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
553 pass->static_pass_number) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
554 || (new_pass_info->ref_pass_instance_number == 1 |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
555 && pass->todo_flags_start & TODO_mark_first_instance))) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
556 { |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
557 struct opt_pass *new_pass; |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
558 struct pass_list_node *new_pass_node; |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
559 |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
560 new_pass = make_pass_instance (new_pass_info->pass, true); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
561 |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
562 /* Insert the new pass instance based on the positioning op. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
563 switch (new_pass_info->pos_op) |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
564 { |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
565 case PASS_POS_INSERT_AFTER: |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
566 new_pass->next = pass->next; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
567 pass->next = new_pass; |
| 0 | 568 |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
569 /* Skip newly inserted pass to avoid repeated |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
570 insertions in the case where the new pass and the |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
571 existing one have the same name. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
572 pass = new_pass; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
573 break; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
574 case PASS_POS_INSERT_BEFORE: |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
575 new_pass->next = pass; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
576 if (prev_pass) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
577 prev_pass->next = new_pass; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
578 else |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
579 *pass_list = new_pass; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
580 break; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
581 case PASS_POS_REPLACE: |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
582 new_pass->next = pass->next; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
583 if (prev_pass) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
584 prev_pass->next = new_pass; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
585 else |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
586 *pass_list = new_pass; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
587 new_pass->sub = pass->sub; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
588 new_pass->tv_id = pass->tv_id; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
589 pass = new_pass; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
590 break; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
591 default: |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
592 error ("invalid pass positioning operation"); |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
593 return false; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
594 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
595 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
596 /* Save the newly added pass (instance) in the added_pass_nodes |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
597 list so that we can register its dump file later. Note that |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
598 we cannot register the dump file now because doing so will modify |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
599 the static_pass_number of the opt_pass object and therefore |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
600 mess up the dump file name of future instances. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
601 new_pass_node = XCNEW (struct pass_list_node); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
602 new_pass_node->pass = new_pass; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
603 if (!added_pass_nodes) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
604 added_pass_nodes = new_pass_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
605 else |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
606 prev_added_pass_node->next = new_pass_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
607 prev_added_pass_node = new_pass_node; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
608 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
609 success = true; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
610 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
611 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
612 if (pass->sub && position_pass (new_pass_info, &pass->sub)) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
613 success = true; |
| 0 | 614 } |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
615 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
616 return success; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
617 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
618 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
619 /* Hooks a new pass into the pass lists. |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
620 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
621 PASS_INFO - pass information that specifies the opt_pass object, |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
622 reference pass, instance number, and how to position |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
623 the pass */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
624 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
625 void |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
626 register_pass (struct register_pass_info *pass_info) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
627 { |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
628 bool all_instances, success; |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
629 |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
630 /* The checks below could fail in buggy plugins. Existing GCC |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
631 passes should never fail these checks, so we mention plugin in |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
632 the messages. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
633 if (!pass_info->pass) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
634 fatal_error ("plugin cannot register a missing pass"); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
635 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
636 if (!pass_info->pass->name) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
637 fatal_error ("plugin cannot register an unnamed pass"); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
638 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
639 if (!pass_info->reference_pass_name) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
640 fatal_error |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
641 ("plugin cannot register pass %qs without reference pass name", |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
642 pass_info->pass->name); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
643 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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644 /* Try to insert the new pass to the pass lists. We need to check |
|
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645 all five lists as the reference pass could be in one (or all) of |
|
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646 them. */ |
|
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647 all_instances = pass_info->ref_pass_instance_number == 0; |
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648 success = position_pass (pass_info, &all_lowering_passes); |
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649 if (!success || all_instances) |
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650 success |= position_pass (pass_info, &all_small_ipa_passes); |
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651 if (!success || all_instances) |
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652 success |= position_pass (pass_info, &all_regular_ipa_passes); |
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653 if (!success || all_instances) |
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654 success |= position_pass (pass_info, &all_lto_gen_passes); |
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655 if (!success || all_instances) |
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656 success |= position_pass (pass_info, &all_passes); |
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657 if (!success) |
|
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658 fatal_error |
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659 ("pass %qs not found but is referenced by new pass %qs", |
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660 pass_info->reference_pass_name, pass_info->pass->name); |
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661 |
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662 /* OK, we have successfully inserted the new pass. We need to register |
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663 the dump files for the newly added pass and its duplicates (if any). |
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664 Because the registration of plugin/backend passes happens after the |
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665 command-line options are parsed, the options that specify single |
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666 pass dumping (e.g. -fdump-tree-PASSNAME) cannot be used for new |
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667 passes. Therefore we currently can only enable dumping of |
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668 new passes when the 'dump-all' flags (e.g. -fdump-tree-all) |
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669 are specified. While doing so, we also delete the pass_list_node |
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670 objects created during pass positioning. */ |
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671 while (added_pass_nodes) |
| 0 | 672 { |
|
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673 struct pass_list_node *next_node = added_pass_nodes->next; |
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674 enum tree_dump_index tdi; |
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675 register_one_dump_file (added_pass_nodes->pass); |
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676 if (added_pass_nodes->pass->type == SIMPLE_IPA_PASS |
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677 || added_pass_nodes->pass->type == IPA_PASS) |
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678 tdi = TDI_ipa_all; |
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679 else if (added_pass_nodes->pass->type == GIMPLE_PASS) |
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680 tdi = TDI_tree_all; |
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681 else |
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682 tdi = TDI_rtl_all; |
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683 /* Check if dump-all flag is specified. */ |
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684 if (get_dump_file_info (tdi)->state) |
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685 get_dump_file_info (added_pass_nodes->pass->static_pass_number) |
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686 ->state = get_dump_file_info (tdi)->state; |
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687 XDELETE (added_pass_nodes); |
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688 added_pass_nodes = next_node; |
|
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689 } |
| 0 | 690 } |
| 691 | |
| 692 /* Construct the pass tree. The sequencing of passes is driven by | |
| 693 the cgraph routines: | |
| 694 | |
| 695 cgraph_finalize_compilation_unit () | |
| 696 for each node N in the cgraph | |
| 697 cgraph_analyze_function (N) | |
| 698 cgraph_lower_function (N) -> all_lowering_passes | |
| 699 | |
| 700 If we are optimizing, cgraph_optimize is then invoked: | |
| 701 | |
| 702 cgraph_optimize () | |
|
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703 ipa_passes () -> all_small_ipa_passes |
| 0 | 704 cgraph_expand_all_functions () |
| 705 for each node N in the cgraph | |
| 706 cgraph_expand_function (N) | |
| 707 tree_rest_of_compilation (DECL (N)) -> all_passes | |
| 708 */ | |
| 709 | |
| 710 void | |
| 711 init_optimization_passes (void) | |
| 712 { | |
| 713 struct opt_pass **p; | |
| 714 | |
| 715 #define NEXT_PASS(PASS) (p = next_pass_1 (p, &((PASS).pass))) | |
| 716 | |
| 717 /* All passes needed to lower the function into shape optimizers can | |
| 718 operate on. These passes are always run first on the function, but | |
| 719 backend might produce already lowered functions that are not processed | |
| 720 by these passes. */ | |
| 721 p = &all_lowering_passes; | |
|
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722 NEXT_PASS (pass_warn_unused_result); |
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723 NEXT_PASS (pass_diagnose_omp_blocks); |
| 0 | 724 NEXT_PASS (pass_mudflap_1); |
| 725 NEXT_PASS (pass_lower_omp); | |
| 726 NEXT_PASS (pass_lower_cf); | |
| 727 NEXT_PASS (pass_refactor_eh); | |
| 728 NEXT_PASS (pass_lower_eh); | |
| 729 NEXT_PASS (pass_build_cfg); | |
| 730 NEXT_PASS (pass_warn_function_return); | |
| 731 NEXT_PASS (pass_build_cgraph_edges); | |
| 732 *p = NULL; | |
| 733 | |
| 734 /* Interprocedural optimization passes. */ | |
|
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735 p = &all_small_ipa_passes; |
|
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736 NEXT_PASS (pass_ipa_free_lang_data); |
| 0 | 737 NEXT_PASS (pass_ipa_function_and_variable_visibility); |
| 738 NEXT_PASS (pass_early_local_passes); | |
| 739 { | |
| 740 struct opt_pass **p = &pass_early_local_passes.pass.sub; | |
|
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741 NEXT_PASS (pass_fixup_cfg); |
| 0 | 742 NEXT_PASS (pass_init_datastructures); |
| 743 NEXT_PASS (pass_expand_omp); | |
| 744 | |
| 745 NEXT_PASS (pass_referenced_vars); | |
| 746 NEXT_PASS (pass_build_ssa); | |
|
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747 NEXT_PASS (pass_lower_vector); |
| 0 | 748 NEXT_PASS (pass_early_warn_uninitialized); |
|
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749 NEXT_PASS (pass_rebuild_cgraph_edges); |
|
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750 NEXT_PASS (pass_inline_parameters); |
|
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751 NEXT_PASS (pass_early_inline); |
| 0 | 752 NEXT_PASS (pass_all_early_optimizations); |
| 753 { | |
| 754 struct opt_pass **p = &pass_all_early_optimizations.pass.sub; | |
|
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755 NEXT_PASS (pass_remove_cgraph_callee_edges); |
| 0 | 756 NEXT_PASS (pass_rename_ssa_copies); |
| 757 NEXT_PASS (pass_ccp); | |
| 758 NEXT_PASS (pass_forwprop); | |
|
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759 /* pass_build_ealias is a dummy pass that ensures that we |
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760 execute TODO_rebuild_alias at this point. Re-building |
|
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761 alias information also rewrites no longer addressed |
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762 locals into SSA form if possible. */ |
|
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763 NEXT_PASS (pass_build_ealias); |
| 0 | 764 NEXT_PASS (pass_sra_early); |
| 765 NEXT_PASS (pass_copy_prop); | |
| 766 NEXT_PASS (pass_merge_phi); | |
| 767 NEXT_PASS (pass_cd_dce); | |
|
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768 NEXT_PASS (pass_early_ipa_sra); |
| 0 | 769 NEXT_PASS (pass_tail_recursion); |
| 770 NEXT_PASS (pass_convert_switch); | |
|
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771 NEXT_PASS (pass_cleanup_eh); |
| 0 | 772 NEXT_PASS (pass_profile); |
|
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773 NEXT_PASS (pass_local_pure_const); |
|
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774 /* Split functions creates parts that are not run through |
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775 early optimizations again. It is thus good idea to do this |
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776 late. */ |
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777 NEXT_PASS (pass_split_functions); |
| 0 | 778 } |
| 779 NEXT_PASS (pass_release_ssa_names); | |
| 780 NEXT_PASS (pass_rebuild_cgraph_edges); | |
| 781 NEXT_PASS (pass_inline_parameters); | |
| 782 } | |
|
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783 NEXT_PASS (pass_ipa_tree_profile); |
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784 { |
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785 struct opt_pass **p = &pass_ipa_tree_profile.pass.sub; |
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786 NEXT_PASS (pass_feedback_split_functions); |
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787 } |
| 0 | 788 NEXT_PASS (pass_ipa_increase_alignment); |
| 789 NEXT_PASS (pass_ipa_matrix_reorg); | |
|
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790 NEXT_PASS (pass_ipa_lower_emutls); |
|
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791 *p = NULL; |
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792 |
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793 p = &all_regular_ipa_passes; |
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794 NEXT_PASS (pass_ipa_whole_program_visibility); |
|
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795 NEXT_PASS (pass_ipa_profile); |
| 0 | 796 NEXT_PASS (pass_ipa_cp); |
|
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797 NEXT_PASS (pass_ipa_cdtor_merge); |
| 0 | 798 NEXT_PASS (pass_ipa_inline); |
|
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799 NEXT_PASS (pass_ipa_pure_const); |
| 0 | 800 NEXT_PASS (pass_ipa_reference); |
| 801 NEXT_PASS (pass_ipa_type_escape); | |
| 802 NEXT_PASS (pass_ipa_pta); | |
|
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803 NEXT_PASS (pass_ipa_struct_reorg); |
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804 *p = NULL; |
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805 |
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806 p = &all_lto_gen_passes; |
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807 NEXT_PASS (pass_ipa_lto_gimple_out); |
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808 NEXT_PASS (pass_ipa_lto_finish_out); /* This must be the last LTO pass. */ |
| 0 | 809 *p = NULL; |
| 810 | |
| 811 /* These passes are run after IPA passes on every function that is being | |
| 812 output to the assembler file. */ | |
| 813 p = &all_passes; | |
|
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814 NEXT_PASS (pass_lower_eh_dispatch); |
| 0 | 815 NEXT_PASS (pass_all_optimizations); |
| 816 { | |
| 817 struct opt_pass **p = &pass_all_optimizations.pass.sub; | |
|
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818 NEXT_PASS (pass_remove_cgraph_callee_edges); |
| 0 | 819 /* Initial scalar cleanups before alias computation. |
| 820 They ensure memory accesses are not indirect wherever possible. */ | |
| 821 NEXT_PASS (pass_strip_predict_hints); | |
| 822 NEXT_PASS (pass_rename_ssa_copies); | |
| 823 NEXT_PASS (pass_complete_unrolli); | |
| 824 NEXT_PASS (pass_ccp); | |
| 825 NEXT_PASS (pass_forwprop); | |
| 826 NEXT_PASS (pass_call_cdce); | |
| 827 /* pass_build_alias is a dummy pass that ensures that we | |
| 828 execute TODO_rebuild_alias at this point. Re-building | |
| 829 alias information also rewrites no longer addressed | |
| 830 locals into SSA form if possible. */ | |
| 831 NEXT_PASS (pass_build_alias); | |
| 832 NEXT_PASS (pass_return_slot); | |
| 833 NEXT_PASS (pass_phiprop); | |
| 834 NEXT_PASS (pass_fre); | |
| 835 NEXT_PASS (pass_copy_prop); | |
| 836 NEXT_PASS (pass_merge_phi); | |
| 837 NEXT_PASS (pass_vrp); | |
| 838 NEXT_PASS (pass_dce); | |
| 839 NEXT_PASS (pass_cselim); | |
| 840 NEXT_PASS (pass_tree_ifcombine); | |
| 841 NEXT_PASS (pass_phiopt); | |
| 842 NEXT_PASS (pass_tail_recursion); | |
| 843 NEXT_PASS (pass_ch); | |
| 844 NEXT_PASS (pass_stdarg); | |
| 845 NEXT_PASS (pass_lower_complex); | |
| 846 NEXT_PASS (pass_sra); | |
| 847 NEXT_PASS (pass_rename_ssa_copies); | |
|
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848 /* The dom pass will also resolve all __builtin_constant_p calls |
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849 that are still there to 0. This has to be done after some |
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850 propagations have already run, but before some more dead code |
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851 is removed, and this place fits nicely. Remember this when |
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852 trying to move or duplicate pass_dominator somewhere earlier. */ |
| 0 | 853 NEXT_PASS (pass_dominator); |
| 854 /* The only const/copy propagation opportunities left after | |
| 855 DOM should be due to degenerate PHI nodes. So rather than | |
| 856 run the full propagators, run a specialized pass which | |
| 857 only examines PHIs to discover const/copy propagation | |
| 858 opportunities. */ | |
| 859 NEXT_PASS (pass_phi_only_cprop); | |
| 860 NEXT_PASS (pass_dse); | |
| 861 NEXT_PASS (pass_reassoc); | |
| 862 NEXT_PASS (pass_dce); | |
| 863 NEXT_PASS (pass_forwprop); | |
| 864 NEXT_PASS (pass_phiopt); | |
| 865 NEXT_PASS (pass_object_sizes); | |
| 866 NEXT_PASS (pass_ccp); | |
| 867 NEXT_PASS (pass_copy_prop); | |
| 868 NEXT_PASS (pass_cse_sincos); | |
|
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869 NEXT_PASS (pass_optimize_bswap); |
| 0 | 870 NEXT_PASS (pass_split_crit_edges); |
| 871 NEXT_PASS (pass_pre); | |
| 872 NEXT_PASS (pass_sink_code); | |
| 873 NEXT_PASS (pass_tree_loop); | |
| 874 { | |
| 875 struct opt_pass **p = &pass_tree_loop.pass.sub; | |
| 876 NEXT_PASS (pass_tree_loop_init); | |
|
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877 NEXT_PASS (pass_lim); |
| 0 | 878 NEXT_PASS (pass_copy_prop); |
| 879 NEXT_PASS (pass_dce_loop); | |
| 880 NEXT_PASS (pass_tree_unswitch); | |
| 881 NEXT_PASS (pass_scev_cprop); | |
| 882 NEXT_PASS (pass_record_bounds); | |
| 883 NEXT_PASS (pass_check_data_deps); | |
| 884 NEXT_PASS (pass_loop_distribution); | |
|
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885 NEXT_PASS (pass_copy_prop); |
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886 NEXT_PASS (pass_graphite); |
|
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887 { |
|
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888 struct opt_pass **p = &pass_graphite.pass.sub; |
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889 NEXT_PASS (pass_graphite_transforms); |
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890 NEXT_PASS (pass_lim); |
|
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891 NEXT_PASS (pass_copy_prop); |
|
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892 NEXT_PASS (pass_dce_loop); |
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893 } |
| 0 | 894 NEXT_PASS (pass_iv_canon); |
| 895 NEXT_PASS (pass_if_conversion); | |
| 896 NEXT_PASS (pass_vectorize); | |
| 897 { | |
| 898 struct opt_pass **p = &pass_vectorize.pass.sub; | |
| 899 NEXT_PASS (pass_lower_vector_ssa); | |
| 900 NEXT_PASS (pass_dce_loop); | |
| 901 } | |
|
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902 NEXT_PASS (pass_predcom); |
| 0 | 903 NEXT_PASS (pass_complete_unroll); |
|
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904 NEXT_PASS (pass_slp_vectorize); |
| 0 | 905 NEXT_PASS (pass_parallelize_loops); |
| 906 NEXT_PASS (pass_loop_prefetch); | |
| 907 NEXT_PASS (pass_iv_optimize); | |
| 908 NEXT_PASS (pass_tree_loop_done); | |
| 909 } | |
| 910 NEXT_PASS (pass_cse_reciprocals); | |
| 911 NEXT_PASS (pass_reassoc); | |
| 912 NEXT_PASS (pass_vrp); | |
| 913 NEXT_PASS (pass_dominator); | |
| 914 /* The only const/copy propagation opportunities left after | |
| 915 DOM should be due to degenerate PHI nodes. So rather than | |
| 916 run the full propagators, run a specialized pass which | |
| 917 only examines PHIs to discover const/copy propagation | |
| 918 opportunities. */ | |
| 919 NEXT_PASS (pass_phi_only_cprop); | |
| 920 NEXT_PASS (pass_cd_dce); | |
| 921 NEXT_PASS (pass_tracer); | |
| 922 | |
| 923 /* FIXME: If DCE is not run before checking for uninitialized uses, | |
| 924 we may get false warnings (e.g., testsuite/gcc.dg/uninit-5.c). | |
| 925 However, this also causes us to misdiagnose cases that should be | |
| 926 real warnings (e.g., testsuite/gcc.dg/pr18501.c). | |
|
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927 |
| 0 | 928 To fix the false positives in uninit-5.c, we would have to |
| 929 account for the predicates protecting the set and the use of each | |
| 930 variable. Using a representation like Gated Single Assignment | |
| 931 may help. */ | |
| 932 NEXT_PASS (pass_late_warn_uninitialized); | |
| 933 NEXT_PASS (pass_dse); | |
| 934 NEXT_PASS (pass_forwprop); | |
| 935 NEXT_PASS (pass_phiopt); | |
|
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936 NEXT_PASS (pass_fold_builtins); |
|
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937 NEXT_PASS (pass_optimize_widening_mul); |
| 0 | 938 NEXT_PASS (pass_tail_calls); |
| 939 NEXT_PASS (pass_rename_ssa_copies); | |
| 940 NEXT_PASS (pass_uncprop); | |
|
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941 NEXT_PASS (pass_local_pure_const); |
| 0 | 942 } |
|
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943 NEXT_PASS (pass_lower_complex_O0); |
|
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944 NEXT_PASS (pass_cleanup_eh); |
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945 NEXT_PASS (pass_lower_resx); |
| 0 | 946 NEXT_PASS (pass_nrv); |
|
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947 NEXT_PASS (pass_mudflap_2); |
| 0 | 948 NEXT_PASS (pass_cleanup_cfg_post_optimizing); |
|
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949 NEXT_PASS (pass_warn_function_noreturn); |
| 0 | 950 |
|
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951 NEXT_PASS (pass_expand); |
| 0 | 952 |
| 953 NEXT_PASS (pass_rest_of_compilation); | |
| 954 { | |
| 955 struct opt_pass **p = &pass_rest_of_compilation.pass.sub; | |
| 956 NEXT_PASS (pass_init_function); | |
| 957 NEXT_PASS (pass_jump); | |
| 958 NEXT_PASS (pass_rtl_eh); | |
| 959 NEXT_PASS (pass_initial_value_sets); | |
| 960 NEXT_PASS (pass_unshare_all_rtl); | |
| 961 NEXT_PASS (pass_instantiate_virtual_regs); | |
| 962 NEXT_PASS (pass_into_cfg_layout_mode); | |
| 963 NEXT_PASS (pass_jump2); | |
| 964 NEXT_PASS (pass_lower_subreg); | |
| 965 NEXT_PASS (pass_df_initialize_opt); | |
| 966 NEXT_PASS (pass_cse); | |
| 967 NEXT_PASS (pass_rtl_fwprop); | |
|
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968 NEXT_PASS (pass_rtl_cprop); |
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969 NEXT_PASS (pass_rtl_pre); |
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970 NEXT_PASS (pass_rtl_hoist); |
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971 NEXT_PASS (pass_rtl_cprop); |
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972 NEXT_PASS (pass_rtl_store_motion); |
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973 NEXT_PASS (pass_cse_after_global_opts); |
| 0 | 974 NEXT_PASS (pass_rtl_ifcvt); |
|
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975 NEXT_PASS (pass_reginfo_init); |
| 0 | 976 /* Perform loop optimizations. It might be better to do them a bit |
| 977 sooner, but we want the profile feedback to work more | |
| 978 efficiently. */ | |
| 979 NEXT_PASS (pass_loop2); | |
| 980 { | |
| 981 struct opt_pass **p = &pass_loop2.pass.sub; | |
| 982 NEXT_PASS (pass_rtl_loop_init); | |
| 983 NEXT_PASS (pass_rtl_move_loop_invariants); | |
| 984 NEXT_PASS (pass_rtl_unswitch); | |
| 985 NEXT_PASS (pass_rtl_unroll_and_peel_loops); | |
| 986 NEXT_PASS (pass_rtl_doloop); | |
| 987 NEXT_PASS (pass_rtl_loop_done); | |
| 988 *p = NULL; | |
| 989 } | |
| 990 NEXT_PASS (pass_web); | |
|
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991 NEXT_PASS (pass_rtl_cprop); |
| 0 | 992 NEXT_PASS (pass_cse2); |
| 993 NEXT_PASS (pass_rtl_dse1); | |
| 994 NEXT_PASS (pass_rtl_fwprop_addr); | |
| 995 NEXT_PASS (pass_inc_dec); | |
| 996 NEXT_PASS (pass_initialize_regs); | |
| 997 NEXT_PASS (pass_ud_rtl_dce); | |
| 998 NEXT_PASS (pass_combine); | |
| 999 NEXT_PASS (pass_if_after_combine); | |
| 1000 NEXT_PASS (pass_partition_blocks); | |
| 1001 NEXT_PASS (pass_regmove); | |
|
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1002 NEXT_PASS (pass_outof_cfg_layout_mode); |
| 0 | 1003 NEXT_PASS (pass_split_all_insns); |
| 1004 NEXT_PASS (pass_lower_subreg2); | |
| 1005 NEXT_PASS (pass_df_initialize_no_opt); | |
| 1006 NEXT_PASS (pass_stack_ptr_mod); | |
| 1007 NEXT_PASS (pass_mode_switching); | |
| 1008 NEXT_PASS (pass_match_asm_constraints); | |
| 1009 NEXT_PASS (pass_sms); | |
| 1010 NEXT_PASS (pass_sched); | |
| 1011 NEXT_PASS (pass_ira); | |
| 1012 NEXT_PASS (pass_postreload); | |
| 1013 { | |
| 1014 struct opt_pass **p = &pass_postreload.pass.sub; | |
| 1015 NEXT_PASS (pass_postreload_cse); | |
| 1016 NEXT_PASS (pass_gcse2); | |
| 1017 NEXT_PASS (pass_split_after_reload); | |
|
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1018 NEXT_PASS (pass_implicit_zee); |
|
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1019 NEXT_PASS (pass_compare_elim_after_reload); |
| 0 | 1020 NEXT_PASS (pass_branch_target_load_optimize1); |
| 1021 NEXT_PASS (pass_thread_prologue_and_epilogue); | |
| 1022 NEXT_PASS (pass_rtl_dse2); | |
| 1023 NEXT_PASS (pass_stack_adjustments); | |
| 1024 NEXT_PASS (pass_peephole2); | |
| 1025 NEXT_PASS (pass_if_after_reload); | |
| 1026 NEXT_PASS (pass_regrename); | |
| 1027 NEXT_PASS (pass_cprop_hardreg); | |
| 1028 NEXT_PASS (pass_fast_rtl_dce); | |
| 1029 NEXT_PASS (pass_reorder_blocks); | |
| 1030 NEXT_PASS (pass_branch_target_load_optimize2); | |
| 1031 NEXT_PASS (pass_leaf_regs); | |
| 1032 NEXT_PASS (pass_split_before_sched2); | |
| 1033 NEXT_PASS (pass_sched2); | |
| 1034 NEXT_PASS (pass_stack_regs); | |
| 1035 { | |
| 1036 struct opt_pass **p = &pass_stack_regs.pass.sub; | |
| 1037 NEXT_PASS (pass_split_before_regstack); | |
| 1038 NEXT_PASS (pass_stack_regs_run); | |
| 1039 } | |
| 1040 NEXT_PASS (pass_compute_alignments); | |
| 1041 NEXT_PASS (pass_duplicate_computed_gotos); | |
| 1042 NEXT_PASS (pass_variable_tracking); | |
| 1043 NEXT_PASS (pass_free_cfg); | |
| 1044 NEXT_PASS (pass_machine_reorg); | |
| 1045 NEXT_PASS (pass_cleanup_barriers); | |
| 1046 NEXT_PASS (pass_delay_slots); | |
| 1047 NEXT_PASS (pass_split_for_shorten_branches); | |
| 1048 NEXT_PASS (pass_convert_to_eh_region_ranges); | |
| 1049 NEXT_PASS (pass_shorten_branches); | |
| 1050 NEXT_PASS (pass_set_nothrow_function_flags); | |
| 1051 NEXT_PASS (pass_final); | |
| 1052 } | |
| 1053 NEXT_PASS (pass_df_finish); | |
| 1054 } | |
| 1055 NEXT_PASS (pass_clean_state); | |
| 1056 *p = NULL; | |
| 1057 | |
| 1058 #undef NEXT_PASS | |
| 1059 | |
| 1060 /* Register the passes with the tree dump code. */ | |
| 1061 register_dump_files (all_lowering_passes, PROP_gimple_any); | |
|
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1062 register_dump_files (all_small_ipa_passes, |
| 0 | 1063 PROP_gimple_any | PROP_gimple_lcf | PROP_gimple_leh |
| 1064 | PROP_cfg); | |
|
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1065 register_dump_files (all_regular_ipa_passes, |
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1066 PROP_gimple_any | PROP_gimple_lcf | PROP_gimple_leh |
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1067 | PROP_cfg); |
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1068 register_dump_files (all_lto_gen_passes, |
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1069 PROP_gimple_any | PROP_gimple_lcf | PROP_gimple_leh |
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1070 | PROP_cfg); |
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1071 register_dump_files (all_passes, |
| 0 | 1072 PROP_gimple_any | PROP_gimple_lcf | PROP_gimple_leh |
| 1073 | PROP_cfg); | |
| 1074 } | |
| 1075 | |
| 1076 /* If we are in IPA mode (i.e., current_function_decl is NULL), call | |
| 1077 function CALLBACK for every function in the call graph. Otherwise, | |
|
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1078 call CALLBACK on the current function. */ |
| 0 | 1079 |
| 1080 static void | |
| 1081 do_per_function (void (*callback) (void *data), void *data) | |
| 1082 { | |
| 1083 if (current_function_decl) | |
| 1084 callback (data); | |
| 1085 else | |
| 1086 { | |
| 1087 struct cgraph_node *node; | |
| 1088 for (node = cgraph_nodes; node; node = node->next) | |
|
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1089 if (node->analyzed && gimple_has_body_p (node->decl) |
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1090 && (!node->clone_of || node->decl != node->clone_of->decl)) |
| 0 | 1091 { |
| 1092 push_cfun (DECL_STRUCT_FUNCTION (node->decl)); | |
| 1093 current_function_decl = node->decl; | |
| 1094 callback (data); | |
|
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1095 if (!flag_wpa) |
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1096 { |
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1097 free_dominance_info (CDI_DOMINATORS); |
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1098 free_dominance_info (CDI_POST_DOMINATORS); |
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1099 } |
| 0 | 1100 current_function_decl = NULL; |
| 1101 pop_cfun (); | |
| 1102 ggc_collect (); | |
| 1103 } | |
| 1104 } | |
| 1105 } | |
| 1106 | |
| 1107 /* Because inlining might remove no-longer reachable nodes, we need to | |
| 1108 keep the array visible to garbage collector to avoid reading collected | |
| 1109 out nodes. */ | |
| 1110 static int nnodes; | |
|
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1111 static GTY ((length ("nnodes"))) cgraph_node_ptr *order; |
| 0 | 1112 |
| 1113 /* If we are in IPA mode (i.e., current_function_decl is NULL), call | |
| 1114 function CALLBACK for every function in the call graph. Otherwise, | |
|
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1115 call CALLBACK on the current function. |
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1116 This function is global so that plugins can use it. */ |
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1117 void |
| 0 | 1118 do_per_function_toporder (void (*callback) (void *data), void *data) |
| 1119 { | |
| 1120 int i; | |
| 1121 | |
| 1122 if (current_function_decl) | |
| 1123 callback (data); | |
| 1124 else | |
| 1125 { | |
| 1126 gcc_assert (!order); | |
|
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1127 order = ggc_alloc_vec_cgraph_node_ptr (cgraph_n_nodes); |
| 0 | 1128 nnodes = cgraph_postorder (order); |
| 1129 for (i = nnodes - 1; i >= 0; i--) | |
|
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1130 order[i]->process = 1; |
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1131 for (i = nnodes - 1; i >= 0; i--) |
| 0 | 1132 { |
| 1133 struct cgraph_node *node = order[i]; | |
| 1134 | |
| 1135 /* Allow possibly removed nodes to be garbage collected. */ | |
| 1136 order[i] = NULL; | |
|
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1137 node->process = 0; |
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1138 if (node->analyzed) |
| 0 | 1139 { |
| 1140 push_cfun (DECL_STRUCT_FUNCTION (node->decl)); | |
| 1141 current_function_decl = node->decl; | |
| 1142 callback (data); | |
| 1143 free_dominance_info (CDI_DOMINATORS); | |
| 1144 free_dominance_info (CDI_POST_DOMINATORS); | |
| 1145 current_function_decl = NULL; | |
| 1146 pop_cfun (); | |
| 1147 ggc_collect (); | |
| 1148 } | |
| 1149 } | |
| 1150 } | |
| 1151 ggc_free (order); | |
| 1152 order = NULL; | |
| 1153 nnodes = 0; | |
| 1154 } | |
| 1155 | |
| 1156 /* Perform all TODO actions that ought to be done on each function. */ | |
| 1157 | |
| 1158 static void | |
| 1159 execute_function_todo (void *data) | |
| 1160 { | |
| 1161 unsigned int flags = (size_t)data; | |
| 1162 flags &= ~cfun->last_verified; | |
| 1163 if (!flags) | |
| 1164 return; | |
| 1165 | |
| 1166 /* Always cleanup the CFG before trying to update SSA. */ | |
| 1167 if (flags & TODO_cleanup_cfg) | |
| 1168 { | |
| 1169 bool cleanup = cleanup_tree_cfg (); | |
| 1170 | |
| 1171 if (cleanup && (cfun->curr_properties & PROP_ssa)) | |
| 1172 flags |= TODO_remove_unused_locals; | |
|
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1173 |
| 0 | 1174 /* When cleanup_tree_cfg merges consecutive blocks, it may |
| 1175 perform some simplistic propagation when removing single | |
| 1176 valued PHI nodes. This propagation may, in turn, cause the | |
| 1177 SSA form to become out-of-date (see PR 22037). So, even | |
| 1178 if the parent pass had not scheduled an SSA update, we may | |
| 1179 still need to do one. */ | |
|
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1180 if (!(flags & TODO_update_ssa_any) && need_ssa_update_p (cfun)) |
| 0 | 1181 flags |= TODO_update_ssa; |
| 1182 } | |
| 1183 | |
| 1184 if (flags & TODO_update_ssa_any) | |
| 1185 { | |
| 1186 unsigned update_flags = flags & TODO_update_ssa_any; | |
| 1187 update_ssa (update_flags); | |
| 1188 cfun->last_verified &= ~TODO_verify_ssa; | |
| 1189 } | |
|
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1190 |
| 0 | 1191 if (flags & TODO_rebuild_alias) |
| 1192 { | |
|
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1193 execute_update_addresses_taken (); |
| 0 | 1194 compute_may_aliases (); |
| 1195 } | |
|
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1196 else if (optimize && (flags & TODO_update_address_taken)) |
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1197 execute_update_addresses_taken (); |
|
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1198 |
| 0 | 1199 if (flags & TODO_remove_unused_locals) |
| 1200 remove_unused_locals (); | |
| 1201 | |
| 1202 if ((flags & TODO_dump_func) && dump_file && current_function_decl) | |
| 1203 { | |
| 1204 if (cfun->curr_properties & PROP_trees) | |
| 1205 dump_function_to_file (current_function_decl, dump_file, dump_flags); | |
| 1206 else | |
| 1207 { | |
| 1208 if (dump_flags & TDF_SLIM) | |
| 1209 print_rtl_slim_with_bb (dump_file, get_insns (), dump_flags); | |
| 1210 else if ((cfun->curr_properties & PROP_cfg) | |
| 1211 && (dump_flags & TDF_BLOCKS)) | |
| 1212 print_rtl_with_bb (dump_file, get_insns ()); | |
| 1213 else | |
| 1214 print_rtl (dump_file, get_insns ()); | |
| 1215 | |
| 1216 if ((cfun->curr_properties & PROP_cfg) | |
| 1217 && graph_dump_format != no_graph | |
| 1218 && (dump_flags & TDF_GRAPH)) | |
| 1219 print_rtl_graph_with_bb (dump_file_name, get_insns ()); | |
| 1220 } | |
| 1221 | |
| 1222 /* Flush the file. If verification fails, we won't be able to | |
| 1223 close the file before aborting. */ | |
| 1224 fflush (dump_file); | |
| 1225 } | |
| 1226 | |
| 1227 if (flags & TODO_rebuild_frequencies) | |
|
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1228 rebuild_frequencies (); |
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1229 |
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1230 if (flags & TODO_rebuild_cgraph_edges) |
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1231 rebuild_cgraph_edges (); |
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1232 |
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1233 /* If we've seen errors do not bother running any verifiers. */ |
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1234 if (seen_error ()) |
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1235 return; |
| 0 | 1236 |
| 1237 #if defined ENABLE_CHECKING | |
|
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1238 if (flags & TODO_verify_ssa |
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1239 || (current_loops && loops_state_satisfies_p (LOOP_CLOSED_SSA))) |
| 0 | 1240 verify_ssa (true); |
| 1241 if (flags & TODO_verify_flow) | |
| 1242 verify_flow_info (); | |
| 1243 if (flags & TODO_verify_stmts) | |
| 1244 verify_stmts (); | |
|
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1245 if (current_loops && loops_state_satisfies_p (LOOP_CLOSED_SSA)) |
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1246 verify_loop_closed_ssa (false); |
| 0 | 1247 if (flags & TODO_verify_rtl_sharing) |
| 1248 verify_rtl_sharing (); | |
| 1249 #endif | |
| 1250 | |
| 1251 cfun->last_verified = flags & TODO_verify_all; | |
| 1252 } | |
| 1253 | |
| 1254 /* Perform all TODO actions. */ | |
| 1255 static void | |
| 1256 execute_todo (unsigned int flags) | |
| 1257 { | |
| 1258 #if defined ENABLE_CHECKING | |
|
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1259 if (cfun |
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1260 && need_ssa_update_p (cfun)) |
| 0 | 1261 gcc_assert (flags & TODO_update_ssa_any); |
| 1262 #endif | |
| 1263 | |
|
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1264 timevar_push (TV_TODO); |
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1265 |
| 0 | 1266 /* Inform the pass whether it is the first time it is run. */ |
| 1267 first_pass_instance = (flags & TODO_mark_first_instance) != 0; | |
| 1268 | |
|
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1269 statistics_fini_pass (); |
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1270 |
| 0 | 1271 do_per_function (execute_function_todo, (void *)(size_t) flags); |
| 1272 | |
| 1273 /* Always remove functions just as before inlining: IPA passes might be | |
| 1274 interested to see bodies of extern inline functions that are not inlined | |
| 1275 to analyze side effects. The full removal is done just at the end | |
| 1276 of IPA pass queue. */ | |
| 1277 if (flags & TODO_remove_functions) | |
| 1278 { | |
| 1279 gcc_assert (!cfun); | |
| 1280 cgraph_remove_unreachable_nodes (true, dump_file); | |
| 1281 } | |
| 1282 | |
| 1283 if ((flags & TODO_dump_cgraph) && dump_file && !current_function_decl) | |
| 1284 { | |
| 1285 gcc_assert (!cfun); | |
| 1286 dump_cgraph (dump_file); | |
| 1287 /* Flush the file. If verification fails, we won't be able to | |
| 1288 close the file before aborting. */ | |
| 1289 fflush (dump_file); | |
| 1290 } | |
| 1291 | |
| 1292 if (flags & TODO_ggc_collect) | |
| 1293 ggc_collect (); | |
| 1294 | |
|
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1295 /* Now that the dumping has been done, we can get rid of the optional |
| 0 | 1296 df problems. */ |
| 1297 if (flags & TODO_df_finish) | |
| 1298 df_finish_pass ((flags & TODO_df_verify) != 0); | |
|
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1299 |
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1300 timevar_pop (TV_TODO); |
| 0 | 1301 } |
| 1302 | |
| 1303 /* Verify invariants that should hold between passes. This is a place | |
| 1304 to put simple sanity checks. */ | |
| 1305 | |
| 1306 static void | |
| 1307 verify_interpass_invariants (void) | |
| 1308 { | |
|
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1309 gcc_checking_assert (!fold_deferring_overflow_warnings_p ()); |
| 0 | 1310 } |
| 1311 | |
| 1312 /* Clear the last verified flag. */ | |
| 1313 | |
| 1314 static void | |
| 1315 clear_last_verified (void *data ATTRIBUTE_UNUSED) | |
| 1316 { | |
| 1317 cfun->last_verified = 0; | |
| 1318 } | |
| 1319 | |
| 1320 /* Helper function. Verify that the properties has been turn into the | |
| 1321 properties expected by the pass. */ | |
| 1322 | |
| 1323 #ifdef ENABLE_CHECKING | |
| 1324 static void | |
| 1325 verify_curr_properties (void *data) | |
| 1326 { | |
| 1327 unsigned int props = (size_t)data; | |
| 1328 gcc_assert ((cfun->curr_properties & props) == props); | |
| 1329 } | |
| 1330 #endif | |
| 1331 | |
| 1332 /* Initialize pass dump file. */ | |
|
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1333 /* This is non-static so that the plugins can use it. */ |
| 0 | 1334 |
|
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1335 bool |
| 0 | 1336 pass_init_dump_file (struct opt_pass *pass) |
| 1337 { | |
| 1338 /* If a dump file name is present, open it if enabled. */ | |
| 1339 if (pass->static_pass_number != -1) | |
| 1340 { | |
| 1341 bool initializing_dump = !dump_initialized_p (pass->static_pass_number); | |
| 1342 dump_file_name = get_dump_file_name (pass->static_pass_number); | |
| 1343 dump_file = dump_begin (pass->static_pass_number, &dump_flags); | |
| 1344 if (dump_file && current_function_decl) | |
| 1345 { | |
| 1346 const char *dname, *aname; | |
|
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|
1347 struct cgraph_node *node = cgraph_node (current_function_decl); |
| 0 | 1348 dname = lang_hooks.decl_printable_name (current_function_decl, 2); |
| 1349 aname = (IDENTIFIER_POINTER | |
| 1350 (DECL_ASSEMBLER_NAME (current_function_decl))); | |
| 1351 fprintf (dump_file, "\n;; Function %s (%s)%s\n\n", dname, aname, | |
|
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1352 node->frequency == NODE_FREQUENCY_HOT |
| 0 | 1353 ? " (hot)" |
|
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1354 : node->frequency == NODE_FREQUENCY_UNLIKELY_EXECUTED |
| 0 | 1355 ? " (unlikely executed)" |
|
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1356 : node->frequency == NODE_FREQUENCY_EXECUTED_ONCE |
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1357 ? " (executed once)" |
| 0 | 1358 : ""); |
| 1359 } | |
| 1360 return initializing_dump; | |
| 1361 } | |
| 1362 else | |
| 1363 return false; | |
| 1364 } | |
| 1365 | |
| 1366 /* Flush PASS dump file. */ | |
|
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1367 /* This is non-static so that plugins can use it. */ |
| 0 | 1368 |
|
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1369 void |
| 0 | 1370 pass_fini_dump_file (struct opt_pass *pass) |
| 1371 { | |
| 1372 /* Flush and close dump file. */ | |
| 1373 if (dump_file_name) | |
| 1374 { | |
| 1375 free (CONST_CAST (char *, dump_file_name)); | |
| 1376 dump_file_name = NULL; | |
| 1377 } | |
| 1378 | |
| 1379 if (dump_file) | |
| 1380 { | |
| 1381 dump_end (pass->static_pass_number, dump_file); | |
| 1382 dump_file = NULL; | |
| 1383 } | |
| 1384 } | |
| 1385 | |
| 1386 /* After executing the pass, apply expected changes to the function | |
| 1387 properties. */ | |
| 1388 | |
| 1389 static void | |
| 1390 update_properties_after_pass (void *data) | |
| 1391 { | |
| 1392 struct opt_pass *pass = (struct opt_pass *) data; | |
| 1393 cfun->curr_properties = (cfun->curr_properties | pass->properties_provided) | |
| 1394 & ~pass->properties_destroyed; | |
| 1395 } | |
| 1396 | |
| 1397 /* Execute summary generation for all of the passes in IPA_PASS. */ | |
| 1398 | |
|
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1399 void |
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1400 execute_ipa_summary_passes (struct ipa_opt_pass_d *ipa_pass) |
| 0 | 1401 { |
| 1402 while (ipa_pass) | |
| 1403 { | |
| 1404 struct opt_pass *pass = &ipa_pass->pass; | |
| 1405 | |
| 1406 /* Execute all of the IPA_PASSes in the list. */ | |
|
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1407 if (ipa_pass->pass.type == IPA_PASS |
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1408 && (!pass->gate || pass->gate ()) |
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1409 && ipa_pass->generate_summary) |
| 0 | 1410 { |
| 1411 pass_init_dump_file (pass); | |
|
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1412 |
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1413 /* If a timevar is present, start it. */ |
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1414 if (pass->tv_id) |
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1415 timevar_push (pass->tv_id); |
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1416 |
| 0 | 1417 ipa_pass->generate_summary (); |
|
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1418 |
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1419 /* Stop timevar. */ |
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1420 if (pass->tv_id) |
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1421 timevar_pop (pass->tv_id); |
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1422 |
| 0 | 1423 pass_fini_dump_file (pass); |
| 1424 } | |
|
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1425 ipa_pass = (struct ipa_opt_pass_d *)ipa_pass->pass.next; |
| 0 | 1426 } |
| 1427 } | |
| 1428 | |
| 1429 /* Execute IPA_PASS function transform on NODE. */ | |
| 1430 | |
| 1431 static void | |
| 1432 execute_one_ipa_transform_pass (struct cgraph_node *node, | |
|
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1433 struct ipa_opt_pass_d *ipa_pass) |
| 0 | 1434 { |
| 1435 struct opt_pass *pass = &ipa_pass->pass; | |
| 1436 unsigned int todo_after = 0; | |
| 1437 | |
| 1438 current_pass = pass; | |
| 1439 if (!ipa_pass->function_transform) | |
| 1440 return; | |
| 1441 | |
| 1442 /* Note that the folders should only create gimple expressions. | |
| 1443 This is a hack until the new folder is ready. */ | |
| 1444 in_gimple_form = (cfun && (cfun->curr_properties & PROP_trees)) != 0; | |
| 1445 | |
| 1446 pass_init_dump_file (pass); | |
| 1447 | |
| 1448 /* Run pre-pass verification. */ | |
| 1449 execute_todo (ipa_pass->function_transform_todo_flags_start); | |
| 1450 | |
| 1451 /* If a timevar is present, start it. */ | |
|
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1452 if (pass->tv_id != TV_NONE) |
| 0 | 1453 timevar_push (pass->tv_id); |
| 1454 | |
| 1455 /* Do it! */ | |
| 1456 todo_after = ipa_pass->function_transform (node); | |
| 1457 | |
| 1458 /* Stop timevar. */ | |
|
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1459 if (pass->tv_id != TV_NONE) |
| 0 | 1460 timevar_pop (pass->tv_id); |
| 1461 | |
| 1462 /* Run post-pass cleanup and verification. */ | |
| 1463 execute_todo (todo_after); | |
| 1464 verify_interpass_invariants (); | |
| 1465 | |
| 1466 pass_fini_dump_file (pass); | |
| 1467 | |
| 1468 current_pass = NULL; | |
| 1469 } | |
| 1470 | |
|
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1471 /* For the current function, execute all ipa transforms. */ |
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1472 |
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1473 void |
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1474 execute_all_ipa_transforms (void) |
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1475 { |
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1476 struct cgraph_node *node; |
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1477 if (!cfun) |
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1478 return; |
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1479 node = cgraph_node (current_function_decl); |
|
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1480 |
|
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1481 if (node->ipa_transforms_to_apply) |
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1482 { |
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1483 unsigned int i; |
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1484 |
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1485 for (i = 0; i < VEC_length (ipa_opt_pass, node->ipa_transforms_to_apply); |
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1486 i++) |
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1487 execute_one_ipa_transform_pass (node, |
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1488 VEC_index (ipa_opt_pass, |
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1489 node->ipa_transforms_to_apply, |
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1490 i)); |
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1491 VEC_free (ipa_opt_pass, heap, node->ipa_transforms_to_apply); |
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1492 node->ipa_transforms_to_apply = NULL; |
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1493 } |
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1494 } |
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1495 |
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1496 /* Execute PASS. */ |
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1497 |
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1498 bool |
| 0 | 1499 execute_one_pass (struct opt_pass *pass) |
| 1500 { | |
| 1501 bool initializing_dump; | |
| 1502 unsigned int todo_after = 0; | |
| 1503 | |
|
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1504 bool gate_status; |
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1505 |
| 0 | 1506 /* IPA passes are executed on whole program, so cfun should be NULL. |
| 1507 Other passes need function context set. */ | |
| 1508 if (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS) | |
| 1509 gcc_assert (!cfun && !current_function_decl); | |
| 1510 else | |
| 1511 gcc_assert (cfun && current_function_decl); | |
| 1512 | |
|
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1513 current_pass = pass; |
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1514 |
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1515 /* Check whether gate check should be avoided. |
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1516 User controls the value of the gate through the parameter "gate_status". */ |
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1517 gate_status = (pass->gate == NULL) ? true : pass->gate(); |
| 0 | 1518 |
|
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1519 /* Override gate with plugin. */ |
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1520 invoke_plugin_callbacks (PLUGIN_OVERRIDE_GATE, &gate_status); |
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1521 |
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1522 if (!gate_status) |
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1523 { |
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1524 current_pass = NULL; |
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1525 return false; |
| 0 | 1526 } |
| 1527 | |
|
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1528 /* Pass execution event trigger: useful to identify passes being |
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1529 executed. */ |
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1530 invoke_plugin_callbacks (PLUGIN_PASS_EXECUTION, pass); |
| 0 | 1531 |
| 1532 if (!quiet_flag && !cfun) | |
| 1533 fprintf (stderr, " <%s>", pass->name ? pass->name : ""); | |
| 1534 | |
| 1535 /* Note that the folders should only create gimple expressions. | |
| 1536 This is a hack until the new folder is ready. */ | |
| 1537 in_gimple_form = (cfun && (cfun->curr_properties & PROP_trees)) != 0; | |
| 1538 | |
|
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1539 initializing_dump = pass_init_dump_file (pass); |
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1540 |
| 0 | 1541 /* Run pre-pass verification. */ |
| 1542 execute_todo (pass->todo_flags_start); | |
| 1543 | |
| 1544 #ifdef ENABLE_CHECKING | |
| 1545 do_per_function (verify_curr_properties, | |
| 1546 (void *)(size_t)pass->properties_required); | |
| 1547 #endif | |
| 1548 | |
| 1549 /* If a timevar is present, start it. */ | |
|
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1550 if (pass->tv_id != TV_NONE) |
| 0 | 1551 timevar_push (pass->tv_id); |
| 1552 | |
| 1553 /* Do it! */ | |
| 1554 if (pass->execute) | |
| 1555 { | |
| 1556 todo_after = pass->execute (); | |
| 1557 do_per_function (clear_last_verified, NULL); | |
| 1558 } | |
| 1559 | |
| 1560 /* Stop timevar. */ | |
|
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1561 if (pass->tv_id != TV_NONE) |
| 0 | 1562 timevar_pop (pass->tv_id); |
| 1563 | |
| 1564 do_per_function (update_properties_after_pass, pass); | |
| 1565 | |
| 1566 if (initializing_dump | |
| 1567 && dump_file | |
| 1568 && graph_dump_format != no_graph | |
| 1569 && cfun | |
| 1570 && (cfun->curr_properties & (PROP_cfg | PROP_rtl)) | |
| 1571 == (PROP_cfg | PROP_rtl)) | |
| 1572 { | |
| 1573 get_dump_file_info (pass->static_pass_number)->flags |= TDF_GRAPH; | |
| 1574 dump_flags |= TDF_GRAPH; | |
| 1575 clean_graph_dump_file (dump_file_name); | |
| 1576 } | |
| 1577 | |
| 1578 /* Run post-pass cleanup and verification. */ | |
| 1579 execute_todo (todo_after | pass->todo_flags_finish); | |
| 1580 verify_interpass_invariants (); | |
| 1581 if (pass->type == IPA_PASS) | |
|
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|
1582 { |
|
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|
1583 struct cgraph_node *node; |
|
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diff
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|
1584 for (node = cgraph_nodes; node; node = node->next) |
|
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|
1585 if (node->analyzed) |
|
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diff
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|
1586 VEC_safe_push (ipa_opt_pass, heap, node->ipa_transforms_to_apply, |
|
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|
1587 (struct ipa_opt_pass_d *)pass); |
|
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diff
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|
1588 } |
| 0 | 1589 |
| 1590 if (!current_function_decl) | |
| 1591 cgraph_process_new_functions (); | |
| 1592 | |
| 1593 pass_fini_dump_file (pass); | |
| 1594 | |
| 1595 if (pass->type != SIMPLE_IPA_PASS && pass->type != IPA_PASS) | |
| 1596 gcc_assert (!(cfun->curr_properties & PROP_trees) | |
| 1597 || pass->type != RTL_PASS); | |
| 1598 | |
| 1599 current_pass = NULL; | |
| 1600 | |
| 1601 return true; | |
| 1602 } | |
| 1603 | |
| 1604 void | |
| 1605 execute_pass_list (struct opt_pass *pass) | |
| 1606 { | |
| 1607 do | |
| 1608 { | |
| 1609 gcc_assert (pass->type == GIMPLE_PASS | |
| 1610 || pass->type == RTL_PASS); | |
| 1611 if (execute_one_pass (pass) && pass->sub) | |
| 1612 execute_pass_list (pass->sub); | |
| 1613 pass = pass->next; | |
| 1614 } | |
| 1615 while (pass); | |
| 1616 } | |
| 1617 | |
| 1618 /* Same as execute_pass_list but assume that subpasses of IPA passes | |
|
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|
1619 are local passes. If SET is not NULL, write out summaries of only |
|
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|
1620 those node in SET. */ |
|
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|
1621 |
|
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|
1622 static void |
|
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|
1623 ipa_write_summaries_2 (struct opt_pass *pass, cgraph_node_set set, |
|
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|
1624 varpool_node_set vset, |
|
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|
1625 struct lto_out_decl_state *state) |
|
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|
1626 { |
|
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|
1627 while (pass) |
|
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|
1628 { |
|
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|
1629 struct ipa_opt_pass_d *ipa_pass = (struct ipa_opt_pass_d *)pass; |
|
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|
1630 gcc_assert (!current_function_decl); |
|
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|
1631 gcc_assert (!cfun); |
|
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|
1632 gcc_assert (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS); |
|
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|
1633 if (pass->type == IPA_PASS |
|
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|
1634 && ipa_pass->write_summary |
|
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|
1635 && (!pass->gate || pass->gate ())) |
|
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|
1636 { |
|
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|
1637 /* If a timevar is present, start it. */ |
|
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|
1638 if (pass->tv_id) |
|
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|
1639 timevar_push (pass->tv_id); |
|
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|
1640 |
|
67
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|
1641 pass_init_dump_file (pass); |
|
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|
1642 |
|
63
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diff
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|
1643 ipa_pass->write_summary (set,vset); |
|
55
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|
1644 |
|
67
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|
1645 pass_fini_dump_file (pass); |
|
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|
1646 |
|
55
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|
1647 /* If a timevar is present, start it. */ |
|
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|
1648 if (pass->tv_id) |
|
77e2b8dfacca
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diff
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|
1649 timevar_pop (pass->tv_id); |
|
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|
1650 } |
|
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diff
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|
1651 |
|
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|
1652 if (pass->sub && pass->sub->type != GIMPLE_PASS) |
|
63
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diff
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|
1653 ipa_write_summaries_2 (pass->sub, set, vset, state); |
|
55
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diff
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|
1654 |
|
77e2b8dfacca
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diff
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|
1655 pass = pass->next; |
|
77e2b8dfacca
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|
1656 } |
|
77e2b8dfacca
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diff
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|
1657 } |
|
77e2b8dfacca
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diff
changeset
|
1658 |
|
77e2b8dfacca
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diff
changeset
|
1659 /* Helper function of ipa_write_summaries. Creates and destroys the |
|
77e2b8dfacca
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diff
changeset
|
1660 decl state and calls ipa_write_summaries_2 for all passes that have |
|
77e2b8dfacca
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0
diff
changeset
|
1661 summaries. SET is the set of nodes to be written. */ |
|
77e2b8dfacca
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0
diff
changeset
|
1662 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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0
diff
changeset
|
1663 static void |
|
63
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55
diff
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|
1664 ipa_write_summaries_1 (cgraph_node_set set, varpool_node_set vset) |
|
55
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diff
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|
1665 { |
|
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update it from 4.4.3 to 4.5.0
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diff
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|
1666 struct lto_out_decl_state *state = lto_new_out_decl_state (); |
|
63
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55
diff
changeset
|
1667 compute_ltrans_boundary (state, set, vset); |
|
b7f97abdc517
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55
diff
changeset
|
1668 |
|
55
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0
diff
changeset
|
1669 lto_push_out_decl_state (state); |
|
77e2b8dfacca
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0
diff
changeset
|
1670 |
|
63
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55
diff
changeset
|
1671 gcc_assert (!flag_wpa); |
|
b7f97abdc517
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55
diff
changeset
|
1672 ipa_write_summaries_2 (all_regular_ipa_passes, set, vset, state); |
|
b7f97abdc517
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55
diff
changeset
|
1673 ipa_write_summaries_2 (all_lto_gen_passes, set, vset, state); |
|
55
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diff
changeset
|
1674 |
|
77e2b8dfacca
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diff
changeset
|
1675 gcc_assert (lto_get_out_decl_state () == state); |
|
77e2b8dfacca
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diff
changeset
|
1676 lto_pop_out_decl_state (); |
|
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diff
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|
1677 lto_delete_out_decl_state (state); |
|
77e2b8dfacca
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|
1678 } |
|
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diff
changeset
|
1679 |
|
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diff
changeset
|
1680 /* Write out summaries for all the nodes in the callgraph. */ |
|
77e2b8dfacca
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diff
changeset
|
1681 |
|
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changeset
|
1682 void |
|
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|
1683 ipa_write_summaries (void) |
|
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|
1684 { |
|
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changeset
|
1685 cgraph_node_set set; |
|
63
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diff
changeset
|
1686 varpool_node_set vset; |
|
55
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|
1687 struct cgraph_node **order; |
|
63
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changeset
|
1688 struct varpool_node *vnode; |
|
55
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changeset
|
1689 int i, order_pos; |
|
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|
1690 |
|
67
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|
1691 if (!flag_generate_lto || seen_error ()) |
|
55
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|
1692 return; |
|
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changeset
|
1693 |
|
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changeset
|
1694 set = cgraph_node_set_new (); |
|
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changeset
|
1695 |
|
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changeset
|
1696 /* Create the callgraph set in the same order used in |
|
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changeset
|
1697 cgraph_expand_all_functions. This mostly facilitates debugging, |
|
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changeset
|
1698 since it causes the gimple file to be processed in the same order |
|
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changeset
|
1699 as the source code. */ |
|
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changeset
|
1700 order = XCNEWVEC (struct cgraph_node *, cgraph_n_nodes); |
|
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changeset
|
1701 order_pos = cgraph_postorder (order); |
|
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changeset
|
1702 gcc_assert (order_pos == cgraph_n_nodes); |
|
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changeset
|
1703 |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1704 for (i = order_pos - 1; i >= 0; i--) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1705 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1706 struct cgraph_node *node = order[i]; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1707 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1708 if (node->analyzed) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1709 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1710 /* When streaming out references to statements as part of some IPA |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1711 pass summary, the statements need to have uids assigned and the |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1712 following does that for all the IPA passes here. Naturally, this |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1713 ordering then matches the one IPA-passes get in their stmt_fixup |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1714 hooks. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1715 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1716 push_cfun (DECL_STRUCT_FUNCTION (node->decl)); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1717 renumber_gimple_stmt_uids (); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1718 pop_cfun (); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1719 } |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1720 if (node->analyzed) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1721 cgraph_node_set_add (set, node); |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1722 } |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1723 vset = varpool_node_set_new (); |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1724 |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1725 for (vnode = varpool_nodes; vnode; vnode = vnode->next) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1726 if (vnode->needed && !vnode->alias) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1727 varpool_node_set_add (vset, vnode); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1728 |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1729 ipa_write_summaries_1 (set, vset); |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1730 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1731 free (order); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1732 ggc_free (set); |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1733 ggc_free (vset); |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1734 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1735 |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1736 /* Same as execute_pass_list but assume that subpasses of IPA passes |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1737 are local passes. If SET is not NULL, write out optimization summaries of |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1738 only those node in SET. */ |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1739 |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1740 static void |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1741 ipa_write_optimization_summaries_1 (struct opt_pass *pass, cgraph_node_set set, |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1742 varpool_node_set vset, |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1743 struct lto_out_decl_state *state) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1744 { |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1745 while (pass) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1746 { |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1747 struct ipa_opt_pass_d *ipa_pass = (struct ipa_opt_pass_d *)pass; |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1748 gcc_assert (!current_function_decl); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1749 gcc_assert (!cfun); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1750 gcc_assert (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1751 if (pass->type == IPA_PASS |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1752 && ipa_pass->write_optimization_summary |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1753 && (!pass->gate || pass->gate ())) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1754 { |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1755 /* If a timevar is present, start it. */ |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1756 if (pass->tv_id) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1757 timevar_push (pass->tv_id); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1758 |
|
67
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1759 pass_init_dump_file (pass); |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1760 |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1761 ipa_pass->write_optimization_summary (set, vset); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1762 |
|
67
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1763 pass_fini_dump_file (pass); |
|
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update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1764 |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1765 /* If a timevar is present, start it. */ |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1766 if (pass->tv_id) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1767 timevar_pop (pass->tv_id); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1768 } |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1769 |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1770 if (pass->sub && pass->sub->type != GIMPLE_PASS) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1771 ipa_write_optimization_summaries_1 (pass->sub, set, vset, state); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1772 |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1773 pass = pass->next; |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1774 } |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1775 } |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1776 |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1777 /* Write all the optimization summaries for the cgraph nodes in SET. If SET is |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1778 NULL, write out all summaries of all nodes. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1779 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1780 void |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1781 ipa_write_optimization_summaries (cgraph_node_set set, varpool_node_set vset) |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1782 { |
|
63
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update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1783 struct lto_out_decl_state *state = lto_new_out_decl_state (); |
|
67
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
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diff
changeset
|
1784 cgraph_node_set_iterator csi; |
|
63
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update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1785 compute_ltrans_boundary (state, set, vset); |
|
b7f97abdc517
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parents:
55
diff
changeset
|
1786 |
|
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55
diff
changeset
|
1787 lto_push_out_decl_state (state); |
|
67
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diff
changeset
|
1788 for (csi = csi_start (set); !csi_end_p (csi); csi_next (&csi)) |
|
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diff
changeset
|
1789 { |
|
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
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diff
changeset
|
1790 struct cgraph_node *node = csi_node (csi); |
|
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diff
changeset
|
1791 /* When streaming out references to statements as part of some IPA |
|
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
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diff
changeset
|
1792 pass summary, the statements need to have uids assigned. |
|
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diff
changeset
|
1793 |
|
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63
diff
changeset
|
1794 For functions newly born at WPA stage we need to initialize |
|
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diff
changeset
|
1795 the uids here. */ |
|
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diff
changeset
|
1796 if (node->analyzed |
|
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changeset
|
1797 && gimple_has_body_p (node->decl)) |
|
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
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diff
changeset
|
1798 { |
|
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
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63
diff
changeset
|
1799 push_cfun (DECL_STRUCT_FUNCTION (node->decl)); |
|
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
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diff
changeset
|
1800 renumber_gimple_stmt_uids (); |
|
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1801 pop_cfun (); |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
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parents:
63
diff
changeset
|
1802 } |
|
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1803 } |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1804 |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1805 gcc_assert (flag_wpa); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1806 ipa_write_optimization_summaries_1 (all_regular_ipa_passes, set, vset, state); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1807 ipa_write_optimization_summaries_1 (all_lto_gen_passes, set, vset, state); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1808 |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1809 gcc_assert (lto_get_out_decl_state () == state); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1810 lto_pop_out_decl_state (); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
1811 lto_delete_out_decl_state (state); |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1812 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1813 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1814 /* Same as execute_pass_list but assume that subpasses of IPA passes |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1815 are local passes. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1816 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1817 static void |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1818 ipa_read_summaries_1 (struct opt_pass *pass) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1819 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1820 while (pass) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1821 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1822 struct ipa_opt_pass_d *ipa_pass = (struct ipa_opt_pass_d *) pass; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1823 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1824 gcc_assert (!current_function_decl); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1825 gcc_assert (!cfun); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1826 gcc_assert (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS); |
|
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1827 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1828 if (pass->gate == NULL || pass->gate ()) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1829 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1830 if (pass->type == IPA_PASS && ipa_pass->read_summary) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1831 { |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1832 /* If a timevar is present, start it. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1833 if (pass->tv_id) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1834 timevar_push (pass->tv_id); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1835 |
|
67
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1836 pass_init_dump_file (pass); |
|
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1837 |
|
55
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1838 ipa_pass->read_summary (); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1839 |
|
67
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1840 pass_fini_dump_file (pass); |
|
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
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63
diff
changeset
|
1841 |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1842 /* Stop timevar. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1843 if (pass->tv_id) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1844 timevar_pop (pass->tv_id); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1845 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1846 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1847 if (pass->sub && pass->sub->type != GIMPLE_PASS) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1848 ipa_read_summaries_1 (pass->sub); |
|
77e2b8dfacca
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parents:
0
diff
changeset
|
1849 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
0
diff
changeset
|
1850 pass = pass->next; |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1851 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1852 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1853 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1854 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1855 /* Read all the summaries for all_regular_ipa_passes and all_lto_gen_passes. */ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1856 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1857 void |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1858 ipa_read_summaries (void) |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1859 { |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1860 ipa_read_summaries_1 (all_regular_ipa_passes); |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1861 ipa_read_summaries_1 (all_lto_gen_passes); |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1862 } |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1863 |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1864 /* Same as execute_pass_list but assume that subpasses of IPA passes |
| 0 | 1865 are local passes. */ |
|
63
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1866 |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1867 static void |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1868 ipa_read_optimization_summaries_1 (struct opt_pass *pass) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1869 { |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1870 while (pass) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1871 { |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1872 struct ipa_opt_pass_d *ipa_pass = (struct ipa_opt_pass_d *) pass; |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1873 |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1874 gcc_assert (!current_function_decl); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1875 gcc_assert (!cfun); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1876 gcc_assert (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1877 |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1878 if (pass->gate == NULL || pass->gate ()) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1879 { |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1880 if (pass->type == IPA_PASS && ipa_pass->read_optimization_summary) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1881 { |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1882 /* If a timevar is present, start it. */ |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1883 if (pass->tv_id) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1884 timevar_push (pass->tv_id); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1885 |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1886 pass_init_dump_file (pass); |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1887 |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1888 ipa_pass->read_optimization_summary (); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1889 |
|
67
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1890 pass_fini_dump_file (pass); |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
1891 |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1892 /* Stop timevar. */ |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1893 if (pass->tv_id) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1894 timevar_pop (pass->tv_id); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1895 } |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1896 |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1897 if (pass->sub && pass->sub->type != GIMPLE_PASS) |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1898 ipa_read_optimization_summaries_1 (pass->sub); |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1899 } |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1900 pass = pass->next; |
|
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
1901 } |
|
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1902 } |
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1903 |
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1904 /* Read all the summaries for all_regular_ipa_passes and all_lto_gen_passes. */ |
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1905 |
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1906 void |
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1907 ipa_read_optimization_summaries (void) |
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1908 { |
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1909 ipa_read_optimization_summaries_1 (all_regular_ipa_passes); |
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1910 ipa_read_optimization_summaries_1 (all_lto_gen_passes); |
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1911 } |
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1912 |
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1913 /* Same as execute_pass_list but assume that subpasses of IPA passes |
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|
1914 are local passes. */ |
| 0 | 1915 void |
| 1916 execute_ipa_pass_list (struct opt_pass *pass) | |
| 1917 { | |
| 1918 do | |
| 1919 { | |
| 1920 gcc_assert (!current_function_decl); | |
| 1921 gcc_assert (!cfun); | |
| 1922 gcc_assert (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS); | |
| 1923 if (execute_one_pass (pass) && pass->sub) | |
| 1924 { | |
| 1925 if (pass->sub->type == GIMPLE_PASS) | |
|
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1926 { |
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1927 invoke_plugin_callbacks (PLUGIN_EARLY_GIMPLE_PASSES_START, NULL); |
|
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1928 do_per_function_toporder ((void (*)(void *))execute_pass_list, |
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1929 pass->sub); |
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1930 invoke_plugin_callbacks (PLUGIN_EARLY_GIMPLE_PASSES_END, NULL); |
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1931 } |
| 0 | 1932 else if (pass->sub->type == SIMPLE_IPA_PASS |
| 1933 || pass->sub->type == IPA_PASS) | |
| 1934 execute_ipa_pass_list (pass->sub); | |
| 1935 else | |
| 1936 gcc_unreachable (); | |
| 1937 } | |
|
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1938 gcc_assert (!current_function_decl); |
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1939 cgraph_process_new_functions (); |
| 0 | 1940 pass = pass->next; |
| 1941 } | |
| 1942 while (pass); | |
| 1943 } | |
| 1944 | |
|
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1945 /* Execute stmt fixup hooks of all passes in PASS for NODE and STMTS. */ |
|
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1946 |
|
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1947 static void |
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1948 execute_ipa_stmt_fixups (struct opt_pass *pass, |
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1949 struct cgraph_node *node, gimple *stmts) |
|
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1950 { |
|
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1951 while (pass) |
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1952 { |
|
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1953 /* Execute all of the IPA_PASSes in the list. */ |
|
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1954 if (pass->type == IPA_PASS |
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1955 && (!pass->gate || pass->gate ())) |
|
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1956 { |
|
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1957 struct ipa_opt_pass_d *ipa_pass = (struct ipa_opt_pass_d *) pass; |
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1958 |
|
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1959 if (ipa_pass->stmt_fixup) |
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1960 { |
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1961 pass_init_dump_file (pass); |
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1962 /* If a timevar is present, start it. */ |
|
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1963 if (pass->tv_id) |
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1964 timevar_push (pass->tv_id); |
|
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1965 |
|
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1966 ipa_pass->stmt_fixup (node, stmts); |
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1967 |
|
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1968 /* Stop timevar. */ |
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1969 if (pass->tv_id) |
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1970 timevar_pop (pass->tv_id); |
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1971 pass_fini_dump_file (pass); |
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1972 } |
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1973 if (pass->sub) |
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1974 execute_ipa_stmt_fixups (pass->sub, node, stmts); |
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1975 } |
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1976 pass = pass->next; |
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1977 } |
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1978 } |
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1979 |
|
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1980 /* Execute stmt fixup hooks of all IPA passes for NODE and STMTS. */ |
|
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1981 |
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1982 void |
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1983 execute_all_ipa_stmt_fixups (struct cgraph_node *node, gimple *stmts) |
|
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1984 { |
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1985 execute_ipa_stmt_fixups (all_regular_ipa_passes, node, stmts); |
|
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1986 } |
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1987 |
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1988 |
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1989 extern void debug_properties (unsigned int); |
|
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1990 extern void dump_properties (FILE *, unsigned int); |
|
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1991 |
|
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1992 DEBUG_FUNCTION void |
|
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1993 dump_properties (FILE *dump, unsigned int props) |
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1994 { |
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1995 fprintf (dump, "Properties:\n"); |
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1996 if (props & PROP_gimple_any) |
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1997 fprintf (dump, "PROP_gimple_any\n"); |
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1998 if (props & PROP_gimple_lcf) |
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1999 fprintf (dump, "PROP_gimple_lcf\n"); |
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2000 if (props & PROP_gimple_leh) |
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2001 fprintf (dump, "PROP_gimple_leh\n"); |
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2002 if (props & PROP_cfg) |
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2003 fprintf (dump, "PROP_cfg\n"); |
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2004 if (props & PROP_referenced_vars) |
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2005 fprintf (dump, "PROP_referenced_vars\n"); |
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2006 if (props & PROP_ssa) |
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2007 fprintf (dump, "PROP_ssa\n"); |
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2008 if (props & PROP_no_crit_edges) |
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2009 fprintf (dump, "PROP_no_crit_edges\n"); |
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2010 if (props & PROP_rtl) |
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2011 fprintf (dump, "PROP_rtl\n"); |
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2012 if (props & PROP_gimple_lomp) |
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2013 fprintf (dump, "PROP_gimple_lomp\n"); |
|
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2014 if (props & PROP_gimple_lcx) |
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2015 fprintf (dump, "PROP_gimple_lcx\n"); |
|
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2016 if (props & PROP_cfglayout) |
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2017 fprintf (dump, "PROP_cfglayout\n"); |
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2018 } |
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|
2019 |
|
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2020 DEBUG_FUNCTION void |
|
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2021 debug_properties (unsigned int props) |
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2022 { |
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2023 dump_properties (stderr, props); |
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2024 } |
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2025 |
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2026 /* Called by local passes to see if function is called by already processed nodes. |
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2027 Because we process nodes in topological order, this means that function is |
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2028 in recursive cycle or we introduced new direct calls. */ |
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2029 bool |
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2030 function_called_by_processed_nodes_p (void) |
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2031 { |
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2032 struct cgraph_edge *e; |
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2033 for (e = cgraph_node (current_function_decl)->callers; e; e = e->next_caller) |
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2034 { |
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2035 if (e->caller->decl == current_function_decl) |
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2036 continue; |
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2037 if (!e->caller->analyzed) |
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2038 continue; |
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2039 if (TREE_ASM_WRITTEN (e->caller->decl)) |
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2040 continue; |
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2041 if (!e->caller->process && !e->caller->global.inlined_to) |
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2042 break; |
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2043 } |
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2044 if (dump_file && e) |
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2045 { |
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2046 fprintf (dump_file, "Already processed call to:\n"); |
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2047 dump_cgraph_node (dump_file, e->caller); |
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2048 } |
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2049 return e != NULL; |
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2050 } |
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2051 |
| 0 | 2052 #include "gt-passes.h" |