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b5f47924 | 1 | /* Dump infrastructure for optimizations and intermediate representation. |
cbe34bb5 | 2 | Copyright (C) 2012-2017 Free Software Foundation, Inc. |
b5f47924 SS |
3 | |
4 | This file is part of GCC. | |
5 | ||
6 | GCC is free software; you can redistribute it and/or modify it under | |
7 | the terms of the GNU General Public License as published by the Free | |
8 | Software Foundation; either version 3, or (at your option) any later | |
9 | version. | |
10 | ||
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GCC; see the file COPYING3. If not see | |
18 | <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include "config.h" | |
21 | #include "system.h" | |
22 | #include "coretypes.h" | |
957060b5 AM |
23 | #include "options.h" |
24 | #include "tree.h" | |
25 | #include "gimple-pretty-print.h" | |
b5f47924 SS |
26 | #include "diagnostic-core.h" |
27 | #include "dumpfile.h" | |
47e0da37 | 28 | #include "context.h" |
c24e924f | 29 | #include "tree-cfg.h" |
b5f47924 SS |
30 | |
31 | /* If non-NULL, return one past-the-end of the matching SUBPART of | |
32 | the WHOLE string. */ | |
33 | #define skip_leading_substring(whole, part) \ | |
34 | (strncmp (whole, part, strlen (part)) ? NULL : whole + strlen (part)) | |
35 | ||
1a817418 ML |
36 | static dump_flags_t pflags; /* current dump_flags */ |
37 | static dump_flags_t alt_flags; /* current opt_info flags */ | |
b5f47924 | 38 | |
1a817418 | 39 | static void dump_loc (dump_flags_t, FILE *, source_location); |
b5f47924 SS |
40 | static FILE *dump_open_alternate_stream (struct dump_file_info *); |
41 | ||
73fbfcad SS |
42 | /* These are currently used for communicating between passes. |
43 | However, instead of accessing them directly, the passes can use | |
44 | dump_printf () for dumps. */ | |
45 | FILE *dump_file = NULL; | |
46 | FILE *alt_dump_file = NULL; | |
47 | const char *dump_file_name; | |
1a817418 | 48 | dump_flags_t dump_flags; |
73fbfcad | 49 | |
8264c84d ML |
50 | CONSTEXPR dump_file_info::dump_file_info (): suffix (NULL), swtch (NULL), |
51 | glob (NULL), pfilename (NULL), alt_filename (NULL), pstream (NULL), | |
52 | alt_stream (NULL), dkind (DK_none), pflags (), alt_flags (0), | |
53 | optgroup_flags (0), pstate (0), alt_state (0), num (0), owns_strings (false), | |
54 | graph_dump_initialized (false) | |
55 | { | |
56 | } | |
57 | ||
58 | dump_file_info::dump_file_info (const char *_suffix, const char *_swtch, | |
59 | dump_kind _dkind, int _num): | |
60 | suffix (_suffix), swtch (_swtch), glob (NULL), | |
61 | pfilename (NULL), alt_filename (NULL), pstream (NULL), alt_stream (NULL), | |
62 | dkind (_dkind), pflags (), alt_flags (0), optgroup_flags (0), | |
63 | pstate (0), alt_state (0), num (_num), owns_strings (false), | |
64 | graph_dump_initialized (false) | |
65 | { | |
66 | } | |
67 | ||
b5f47924 SS |
68 | /* Table of tree dump switches. This must be consistent with the |
69 | TREE_DUMP_INDEX enumeration in dumpfile.h. */ | |
70 | static struct dump_file_info dump_files[TDI_end] = | |
71 | { | |
8264c84d ML |
72 | dump_file_info (), |
73 | dump_file_info (".cgraph", "ipa-cgraph", DK_ipa, 0), | |
74 | dump_file_info (".type-inheritance", "ipa-type-inheritance", DK_ipa, 0), | |
75 | dump_file_info (".ipa-clones", "ipa-clones", DK_ipa, 0), | |
8264c84d ML |
76 | dump_file_info (".original", "tree-original", DK_tree, 3), |
77 | dump_file_info (".gimple", "tree-gimple", DK_tree, 4), | |
78 | dump_file_info (".nested", "tree-nested", DK_tree, 5), | |
58aca9d9 | 79 | #define FIRST_AUTO_NUMBERED_DUMP 3 |
b5f47924 | 80 | |
8264c84d ML |
81 | dump_file_info (NULL, "lang-all", DK_lang, 0), |
82 | dump_file_info (NULL, "tree-all", DK_tree, 0), | |
83 | dump_file_info (NULL, "rtl-all", DK_rtl, 0), | |
84 | dump_file_info (NULL, "ipa-all", DK_ipa, 0), | |
b5f47924 SS |
85 | }; |
86 | ||
b5f47924 SS |
87 | /* Define a name->number mapping for a dump flag value. */ |
88 | struct dump_option_value_info | |
89 | { | |
90 | const char *const name; /* the name of the value */ | |
1a817418 | 91 | const dump_flags_t value; /* the value of the name */ |
b5f47924 SS |
92 | }; |
93 | ||
94 | /* Table of dump options. This must be consistent with the TDF_* flags | |
95 | in dumpfile.h and opt_info_options below. */ | |
96 | static const struct dump_option_value_info dump_options[] = | |
97 | { | |
98 | {"address", TDF_ADDRESS}, | |
99 | {"asmname", TDF_ASMNAME}, | |
100 | {"slim", TDF_SLIM}, | |
101 | {"raw", TDF_RAW}, | |
102 | {"graph", TDF_GRAPH}, | |
103 | {"details", (TDF_DETAILS | MSG_OPTIMIZED_LOCATIONS | |
104 | | MSG_MISSED_OPTIMIZATION | |
105 | | MSG_NOTE)}, | |
106 | {"cselib", TDF_CSELIB}, | |
107 | {"stats", TDF_STATS}, | |
108 | {"blocks", TDF_BLOCKS}, | |
109 | {"vops", TDF_VOPS}, | |
110 | {"lineno", TDF_LINENO}, | |
111 | {"uid", TDF_UID}, | |
112 | {"stmtaddr", TDF_STMTADDR}, | |
113 | {"memsyms", TDF_MEMSYMS}, | |
114 | {"verbose", TDF_VERBOSE}, | |
115 | {"eh", TDF_EH}, | |
116 | {"alias", TDF_ALIAS}, | |
117 | {"nouid", TDF_NOUID}, | |
118 | {"enumerate_locals", TDF_ENUMERATE_LOCALS}, | |
119 | {"scev", TDF_SCEV}, | |
1ee62b92 | 120 | {"gimple", TDF_GIMPLE}, |
f14726bd TJ |
121 | {"optimized", MSG_OPTIMIZED_LOCATIONS}, |
122 | {"missed", MSG_MISSED_OPTIMIZATION}, | |
123 | {"note", MSG_NOTE}, | |
124 | {"optall", MSG_ALL}, | |
8264c84d | 125 | {"all", ~(TDF_RAW | TDF_SLIM | TDF_LINENO |
b5f47924 | 126 | | TDF_STMTADDR | TDF_GRAPH | TDF_DIAGNOSTIC | TDF_VERBOSE |
1ee62b92 PG |
127 | | TDF_RHS_ONLY | TDF_NOUID | TDF_ENUMERATE_LOCALS | TDF_SCEV |
128 | | TDF_GIMPLE)}, | |
b5f47924 SS |
129 | {NULL, 0} |
130 | }; | |
131 | ||
2b4e6bf1 SS |
132 | /* A subset of the dump_options table which is used for -fopt-info |
133 | types. This must be consistent with the MSG_* flags in dumpfile.h. | |
b5f47924 | 134 | */ |
2b4e6bf1 | 135 | static const struct dump_option_value_info optinfo_verbosity_options[] = |
b5f47924 SS |
136 | { |
137 | {"optimized", MSG_OPTIMIZED_LOCATIONS}, | |
138 | {"missed", MSG_MISSED_OPTIMIZATION}, | |
139 | {"note", MSG_NOTE}, | |
2b4e6bf1 SS |
140 | {"all", MSG_ALL}, |
141 | {NULL, 0} | |
142 | }; | |
143 | ||
144 | /* Flags used for -fopt-info groups. */ | |
145 | static const struct dump_option_value_info optgroup_options[] = | |
146 | { | |
147 | {"ipa", OPTGROUP_IPA}, | |
148 | {"loop", OPTGROUP_LOOP}, | |
149 | {"inline", OPTGROUP_INLINE}, | |
fd2b8c8b | 150 | {"omp", OPTGROUP_OMP}, |
2b4e6bf1 SS |
151 | {"vec", OPTGROUP_VEC}, |
152 | {"optall", OPTGROUP_ALL}, | |
b5f47924 SS |
153 | {NULL, 0} |
154 | }; | |
155 | ||
47e0da37 DM |
156 | gcc::dump_manager::dump_manager (): |
157 | m_next_dump (FIRST_AUTO_NUMBERED_DUMP), | |
158 | m_extra_dump_files (NULL), | |
159 | m_extra_dump_files_in_use (0), | |
160 | m_extra_dump_files_alloced (0) | |
161 | { | |
162 | } | |
163 | ||
10fdd6e9 DM |
164 | gcc::dump_manager::~dump_manager () |
165 | { | |
166 | for (size_t i = 0; i < m_extra_dump_files_in_use; i++) | |
167 | { | |
168 | dump_file_info *dfi = &m_extra_dump_files[i]; | |
169 | /* suffix, swtch, glob are statically allocated for the entries | |
170 | in dump_files, and for statistics, but are dynamically allocated | |
171 | for those for passes. */ | |
172 | if (dfi->owns_strings) | |
173 | { | |
174 | XDELETEVEC (const_cast <char *> (dfi->suffix)); | |
175 | XDELETEVEC (const_cast <char *> (dfi->swtch)); | |
176 | XDELETEVEC (const_cast <char *> (dfi->glob)); | |
177 | } | |
178 | /* These, if non-NULL, are always dynamically allocated. */ | |
179 | XDELETEVEC (const_cast <char *> (dfi->pfilename)); | |
180 | XDELETEVEC (const_cast <char *> (dfi->alt_filename)); | |
181 | } | |
182 | XDELETEVEC (m_extra_dump_files); | |
183 | } | |
184 | ||
b5f47924 | 185 | unsigned int |
47e0da37 | 186 | gcc::dump_manager:: |
b5f47924 | 187 | dump_register (const char *suffix, const char *swtch, const char *glob, |
8264c84d | 188 | dump_kind dkind, int optgroup_flags, bool take_ownership) |
b5f47924 | 189 | { |
47e0da37 | 190 | int num = m_next_dump++; |
b5f47924 | 191 | |
47e0da37 | 192 | size_t count = m_extra_dump_files_in_use++; |
b5f47924 | 193 | |
47e0da37 | 194 | if (count >= m_extra_dump_files_alloced) |
b5f47924 | 195 | { |
47e0da37 DM |
196 | if (m_extra_dump_files_alloced == 0) |
197 | m_extra_dump_files_alloced = 32; | |
b5f47924 | 198 | else |
47e0da37 DM |
199 | m_extra_dump_files_alloced *= 2; |
200 | m_extra_dump_files = XRESIZEVEC (struct dump_file_info, | |
201 | m_extra_dump_files, | |
202 | m_extra_dump_files_alloced); | |
b5f47924 SS |
203 | } |
204 | ||
47e0da37 DM |
205 | memset (&m_extra_dump_files[count], 0, sizeof (struct dump_file_info)); |
206 | m_extra_dump_files[count].suffix = suffix; | |
207 | m_extra_dump_files[count].swtch = swtch; | |
208 | m_extra_dump_files[count].glob = glob; | |
8264c84d | 209 | m_extra_dump_files[count].dkind = dkind; |
47e0da37 DM |
210 | m_extra_dump_files[count].optgroup_flags = optgroup_flags; |
211 | m_extra_dump_files[count].num = num; | |
10fdd6e9 | 212 | m_extra_dump_files[count].owns_strings = take_ownership; |
b5f47924 SS |
213 | |
214 | return count + TDI_end; | |
215 | } | |
216 | ||
217 | ||
218 | /* Return the dump_file_info for the given phase. */ | |
219 | ||
220 | struct dump_file_info * | |
47e0da37 DM |
221 | gcc::dump_manager:: |
222 | get_dump_file_info (int phase) const | |
b5f47924 SS |
223 | { |
224 | if (phase < TDI_end) | |
225 | return &dump_files[phase]; | |
47e0da37 | 226 | else if ((size_t) (phase - TDI_end) >= m_extra_dump_files_in_use) |
b5f47924 SS |
227 | return NULL; |
228 | else | |
47e0da37 | 229 | return m_extra_dump_files + (phase - TDI_end); |
b5f47924 SS |
230 | } |
231 | ||
799505ae DM |
232 | /* Locate the dump_file_info with swtch equal to SWTCH, |
233 | or return NULL if no such dump_file_info exists. */ | |
234 | ||
235 | struct dump_file_info * | |
236 | gcc::dump_manager:: | |
237 | get_dump_file_info_by_switch (const char *swtch) const | |
238 | { | |
239 | for (unsigned i = 0; i < m_extra_dump_files_in_use; i++) | |
240 | if (0 == strcmp (m_extra_dump_files[i].swtch, swtch)) | |
241 | return &m_extra_dump_files[i]; | |
242 | ||
243 | /* Not found. */ | |
244 | return NULL; | |
245 | } | |
246 | ||
b5f47924 SS |
247 | |
248 | /* Return the name of the dump file for the given phase. | |
799505ae DM |
249 | The caller is responsible for calling free on the returned |
250 | buffer. | |
b5f47924 SS |
251 | If the dump is not enabled, returns NULL. */ |
252 | ||
253 | char * | |
47e0da37 DM |
254 | gcc::dump_manager:: |
255 | get_dump_file_name (int phase) const | |
b5f47924 | 256 | { |
b5f47924 SS |
257 | struct dump_file_info *dfi; |
258 | ||
259 | if (phase == TDI_none) | |
260 | return NULL; | |
261 | ||
262 | dfi = get_dump_file_info (phase); | |
799505ae DM |
263 | |
264 | return get_dump_file_name (dfi); | |
265 | } | |
266 | ||
267 | /* Return the name of the dump file for the given dump_file_info. | |
268 | The caller is responsible for calling free on the returned | |
269 | buffer. | |
270 | If the dump is not enabled, returns NULL. */ | |
271 | ||
272 | char * | |
273 | gcc::dump_manager:: | |
274 | get_dump_file_name (struct dump_file_info *dfi) const | |
275 | { | |
276 | char dump_id[10]; | |
277 | ||
278 | gcc_assert (dfi); | |
279 | ||
b5f47924 SS |
280 | if (dfi->pstate == 0) |
281 | return NULL; | |
282 | ||
283 | /* If available, use the command line dump filename. */ | |
284 | if (dfi->pfilename) | |
285 | return xstrdup (dfi->pfilename); | |
286 | ||
287 | if (dfi->num < 0) | |
288 | dump_id[0] = '\0'; | |
289 | else | |
290 | { | |
8264c84d ML |
291 | /* (null), LANG, TREE, RTL, IPA. */ |
292 | char suffix = " ltri"[dfi->dkind]; | |
a529e0a6 | 293 | |
8264c84d | 294 | if (snprintf (dump_id, sizeof (dump_id), ".%03d%c", dfi->num, suffix) < 0) |
b5f47924 SS |
295 | dump_id[0] = '\0'; |
296 | } | |
297 | ||
298 | return concat (dump_base_name, dump_id, dfi->suffix, NULL); | |
299 | } | |
300 | ||
301 | /* For a given DFI, open an alternate dump filename (which could also | |
302 | be a standard stream such as stdout/stderr). If the alternate dump | |
303 | file cannot be opened, return NULL. */ | |
304 | ||
305 | static FILE * | |
306 | dump_open_alternate_stream (struct dump_file_info *dfi) | |
307 | { | |
308 | FILE *stream ; | |
309 | if (!dfi->alt_filename) | |
310 | return NULL; | |
311 | ||
312 | if (dfi->alt_stream) | |
313 | return dfi->alt_stream; | |
314 | ||
c3284718 | 315 | stream = strcmp ("stderr", dfi->alt_filename) == 0 |
b5f47924 | 316 | ? stderr |
c3284718 RS |
317 | : strcmp ("stdout", dfi->alt_filename) == 0 |
318 | ? stdout | |
b5f47924 SS |
319 | : fopen (dfi->alt_filename, dfi->alt_state < 0 ? "w" : "a"); |
320 | ||
321 | if (!stream) | |
322 | error ("could not open dump file %qs: %m", dfi->alt_filename); | |
323 | else | |
324 | dfi->alt_state = 1; | |
325 | ||
326 | return stream; | |
327 | } | |
328 | ||
329 | /* Print source location on DFILE if enabled. */ | |
330 | ||
331 | void | |
1a817418 | 332 | dump_loc (dump_flags_t dump_kind, FILE *dfile, source_location loc) |
b5f47924 | 333 | { |
b5f47924 SS |
334 | if (dump_kind) |
335 | { | |
502498d5 | 336 | if (LOCATION_LOCUS (loc) > BUILTINS_LOCATION) |
e645e942 | 337 | fprintf (dfile, "%s:%d:%d: note: ", LOCATION_FILE (loc), |
103ff0d6 | 338 | LOCATION_LINE (loc), LOCATION_COLUMN (loc)); |
a3d7af04 | 339 | else if (current_function_decl) |
e645e942 | 340 | fprintf (dfile, "%s:%d:%d: note: ", |
b5f47924 | 341 | DECL_SOURCE_FILE (current_function_decl), |
103ff0d6 TJ |
342 | DECL_SOURCE_LINE (current_function_decl), |
343 | DECL_SOURCE_COLUMN (current_function_decl)); | |
b5f47924 SS |
344 | } |
345 | } | |
346 | ||
347 | /* Dump gimple statement GS with SPC indentation spaces and | |
348 | EXTRA_DUMP_FLAGS on the dump streams if DUMP_KIND is enabled. */ | |
349 | ||
350 | void | |
1a817418 ML |
351 | dump_gimple_stmt (dump_flags_t dump_kind, dump_flags_t extra_dump_flags, |
352 | gimple *gs, int spc) | |
b5f47924 SS |
353 | { |
354 | if (dump_file && (dump_kind & pflags)) | |
355 | print_gimple_stmt (dump_file, gs, spc, dump_flags | extra_dump_flags); | |
356 | ||
357 | if (alt_dump_file && (dump_kind & alt_flags)) | |
358 | print_gimple_stmt (alt_dump_file, gs, spc, dump_flags | extra_dump_flags); | |
359 | } | |
360 | ||
361 | /* Similar to dump_gimple_stmt, except additionally print source location. */ | |
362 | ||
363 | void | |
1a817418 ML |
364 | dump_gimple_stmt_loc (dump_flags_t dump_kind, source_location loc, |
365 | dump_flags_t extra_dump_flags, gimple *gs, int spc) | |
b5f47924 SS |
366 | { |
367 | if (dump_file && (dump_kind & pflags)) | |
368 | { | |
369 | dump_loc (dump_kind, dump_file, loc); | |
370 | print_gimple_stmt (dump_file, gs, spc, dump_flags | extra_dump_flags); | |
371 | } | |
372 | ||
373 | if (alt_dump_file && (dump_kind & alt_flags)) | |
374 | { | |
375 | dump_loc (dump_kind, alt_dump_file, loc); | |
376 | print_gimple_stmt (alt_dump_file, gs, spc, dump_flags | extra_dump_flags); | |
377 | } | |
378 | } | |
379 | ||
380 | /* Dump expression tree T using EXTRA_DUMP_FLAGS on dump streams if | |
381 | DUMP_KIND is enabled. */ | |
382 | ||
383 | void | |
1a817418 ML |
384 | dump_generic_expr (dump_flags_t dump_kind, dump_flags_t extra_dump_flags, |
385 | tree t) | |
b5f47924 SS |
386 | { |
387 | if (dump_file && (dump_kind & pflags)) | |
388 | print_generic_expr (dump_file, t, dump_flags | extra_dump_flags); | |
389 | ||
390 | if (alt_dump_file && (dump_kind & alt_flags)) | |
391 | print_generic_expr (alt_dump_file, t, dump_flags | extra_dump_flags); | |
392 | } | |
393 | ||
394 | ||
395 | /* Similar to dump_generic_expr, except additionally print the source | |
396 | location. */ | |
397 | ||
398 | void | |
399 | dump_generic_expr_loc (int dump_kind, source_location loc, | |
1a817418 | 400 | dump_flags_t extra_dump_flags, tree t) |
b5f47924 SS |
401 | { |
402 | if (dump_file && (dump_kind & pflags)) | |
403 | { | |
404 | dump_loc (dump_kind, dump_file, loc); | |
405 | print_generic_expr (dump_file, t, dump_flags | extra_dump_flags); | |
406 | } | |
407 | ||
408 | if (alt_dump_file && (dump_kind & alt_flags)) | |
409 | { | |
410 | dump_loc (dump_kind, alt_dump_file, loc); | |
411 | print_generic_expr (alt_dump_file, t, dump_flags | extra_dump_flags); | |
412 | } | |
413 | } | |
414 | ||
415 | /* Output a formatted message using FORMAT on appropriate dump streams. */ | |
416 | ||
417 | void | |
1a817418 | 418 | dump_printf (dump_flags_t dump_kind, const char *format, ...) |
b5f47924 SS |
419 | { |
420 | if (dump_file && (dump_kind & pflags)) | |
421 | { | |
422 | va_list ap; | |
423 | va_start (ap, format); | |
424 | vfprintf (dump_file, format, ap); | |
425 | va_end (ap); | |
426 | } | |
427 | ||
428 | if (alt_dump_file && (dump_kind & alt_flags)) | |
429 | { | |
430 | va_list ap; | |
431 | va_start (ap, format); | |
432 | vfprintf (alt_dump_file, format, ap); | |
433 | va_end (ap); | |
434 | } | |
435 | } | |
436 | ||
437 | /* Similar to dump_printf, except source location is also printed. */ | |
438 | ||
439 | void | |
1a817418 ML |
440 | dump_printf_loc (dump_flags_t dump_kind, source_location loc, |
441 | const char *format, ...) | |
b5f47924 SS |
442 | { |
443 | if (dump_file && (dump_kind & pflags)) | |
444 | { | |
445 | va_list ap; | |
446 | dump_loc (dump_kind, dump_file, loc); | |
447 | va_start (ap, format); | |
448 | vfprintf (dump_file, format, ap); | |
449 | va_end (ap); | |
450 | } | |
451 | ||
452 | if (alt_dump_file && (dump_kind & alt_flags)) | |
453 | { | |
454 | va_list ap; | |
455 | dump_loc (dump_kind, alt_dump_file, loc); | |
456 | va_start (ap, format); | |
457 | vfprintf (alt_dump_file, format, ap); | |
458 | va_end (ap); | |
459 | } | |
460 | } | |
461 | ||
462 | /* Start a dump for PHASE. Store user-supplied dump flags in | |
463 | *FLAG_PTR. Return the number of streams opened. Set globals | |
464 | DUMP_FILE, and ALT_DUMP_FILE to point to the opened streams, and | |
2b4e6bf1 SS |
465 | set dump_flags appropriately for both pass dump stream and |
466 | -fopt-info stream. */ | |
b5f47924 SS |
467 | |
468 | int | |
47e0da37 | 469 | gcc::dump_manager:: |
1a817418 | 470 | dump_start (int phase, dump_flags_t *flag_ptr) |
b5f47924 SS |
471 | { |
472 | int count = 0; | |
473 | char *name; | |
474 | struct dump_file_info *dfi; | |
475 | FILE *stream; | |
74911c3c | 476 | if (phase == TDI_none || !dump_phase_enabled_p (phase)) |
b5f47924 SS |
477 | return 0; |
478 | ||
479 | dfi = get_dump_file_info (phase); | |
480 | name = get_dump_file_name (phase); | |
481 | if (name) | |
482 | { | |
c3284718 | 483 | stream = strcmp ("stderr", name) == 0 |
b5f47924 | 484 | ? stderr |
c3284718 RS |
485 | : strcmp ("stdout", name) == 0 |
486 | ? stdout | |
b5f47924 SS |
487 | : fopen (name, dfi->pstate < 0 ? "w" : "a"); |
488 | if (!stream) | |
489 | error ("could not open dump file %qs: %m", name); | |
490 | else | |
491 | { | |
492 | dfi->pstate = 1; | |
493 | count++; | |
494 | } | |
495 | free (name); | |
496 | dfi->pstream = stream; | |
497 | dump_file = dfi->pstream; | |
498 | /* Initialize current dump flags. */ | |
8264c84d | 499 | pflags = dfi->pflags; |
b5f47924 SS |
500 | } |
501 | ||
502 | stream = dump_open_alternate_stream (dfi); | |
503 | if (stream) | |
504 | { | |
505 | dfi->alt_stream = stream; | |
506 | count++; | |
507 | alt_dump_file = dfi->alt_stream; | |
2b4e6bf1 | 508 | /* Initialize current -fopt-info flags. */ |
8264c84d | 509 | alt_flags = dfi->alt_flags; |
b5f47924 SS |
510 | } |
511 | ||
512 | if (flag_ptr) | |
513 | *flag_ptr = dfi->pflags; | |
514 | ||
515 | return count; | |
516 | } | |
517 | ||
518 | /* Finish a tree dump for PHASE and close associated dump streams. Also | |
519 | reset the globals DUMP_FILE, ALT_DUMP_FILE, and DUMP_FLAGS. */ | |
520 | ||
521 | void | |
47e0da37 | 522 | gcc::dump_manager:: |
b5f47924 SS |
523 | dump_finish (int phase) |
524 | { | |
525 | struct dump_file_info *dfi; | |
526 | ||
527 | if (phase < 0) | |
528 | return; | |
529 | dfi = get_dump_file_info (phase); | |
71191083 | 530 | if (dfi->pstream && (!dfi->pfilename |
c3284718 RS |
531 | || (strcmp ("stderr", dfi->pfilename) != 0 |
532 | && strcmp ("stdout", dfi->pfilename) != 0))) | |
b5f47924 SS |
533 | fclose (dfi->pstream); |
534 | ||
c3284718 RS |
535 | if (dfi->alt_stream && strcmp ("stderr", dfi->alt_filename) != 0 |
536 | && strcmp ("stdout", dfi->alt_filename) != 0) | |
b5f47924 SS |
537 | fclose (dfi->alt_stream); |
538 | ||
539 | dfi->alt_stream = NULL; | |
540 | dfi->pstream = NULL; | |
541 | dump_file = NULL; | |
542 | alt_dump_file = NULL; | |
543 | dump_flags = TDI_none; | |
544 | alt_flags = 0; | |
545 | pflags = 0; | |
546 | } | |
547 | ||
548 | /* Begin a tree dump for PHASE. Stores any user supplied flag in | |
549 | *FLAG_PTR and returns a stream to write to. If the dump is not | |
550 | enabled, returns NULL. | |
551 | Multiple calls will reopen and append to the dump file. */ | |
552 | ||
553 | FILE * | |
1a817418 | 554 | dump_begin (int phase, dump_flags_t *flag_ptr) |
47e0da37 DM |
555 | { |
556 | return g->get_dumps ()->dump_begin (phase, flag_ptr); | |
557 | } | |
558 | ||
559 | FILE * | |
560 | gcc::dump_manager:: | |
1a817418 | 561 | dump_begin (int phase, dump_flags_t *flag_ptr) |
b5f47924 SS |
562 | { |
563 | char *name; | |
564 | struct dump_file_info *dfi; | |
565 | FILE *stream; | |
566 | ||
74911c3c | 567 | if (phase == TDI_none || !dump_phase_enabled_p (phase)) |
b5f47924 SS |
568 | return NULL; |
569 | ||
570 | name = get_dump_file_name (phase); | |
571 | if (!name) | |
572 | return NULL; | |
573 | dfi = get_dump_file_info (phase); | |
574 | ||
c3284718 | 575 | stream = strcmp ("stderr", name) == 0 |
b5f47924 | 576 | ? stderr |
c3284718 RS |
577 | : strcmp ("stdout", name) == 0 |
578 | ? stdout | |
b5f47924 SS |
579 | : fopen (name, dfi->pstate < 0 ? "w" : "a"); |
580 | ||
581 | if (!stream) | |
582 | error ("could not open dump file %qs: %m", name); | |
583 | else | |
584 | dfi->pstate = 1; | |
585 | free (name); | |
586 | ||
587 | if (flag_ptr) | |
588 | *flag_ptr = dfi->pflags; | |
589 | ||
590 | /* Initialize current flags */ | |
591 | pflags = dfi->pflags; | |
592 | return stream; | |
593 | } | |
594 | ||
595 | /* Returns nonzero if dump PHASE is enabled for at least one stream. | |
596 | If PHASE is TDI_tree_all, return nonzero if any dump is enabled for | |
597 | any phase. */ | |
598 | ||
47e0da37 DM |
599 | int |
600 | gcc::dump_manager:: | |
601 | dump_phase_enabled_p (int phase) const | |
b5f47924 SS |
602 | { |
603 | if (phase == TDI_tree_all) | |
604 | { | |
605 | size_t i; | |
606 | for (i = TDI_none + 1; i < (size_t) TDI_end; i++) | |
607 | if (dump_files[i].pstate || dump_files[i].alt_state) | |
608 | return 1; | |
47e0da37 DM |
609 | for (i = 0; i < m_extra_dump_files_in_use; i++) |
610 | if (m_extra_dump_files[i].pstate || m_extra_dump_files[i].alt_state) | |
b5f47924 SS |
611 | return 1; |
612 | return 0; | |
613 | } | |
614 | else | |
615 | { | |
616 | struct dump_file_info *dfi = get_dump_file_info (phase); | |
617 | return dfi->pstate || dfi->alt_state; | |
618 | } | |
619 | } | |
620 | ||
621 | /* Returns nonzero if tree dump PHASE has been initialized. */ | |
622 | ||
623 | int | |
47e0da37 DM |
624 | gcc::dump_manager:: |
625 | dump_initialized_p (int phase) const | |
b5f47924 SS |
626 | { |
627 | struct dump_file_info *dfi = get_dump_file_info (phase); | |
628 | return dfi->pstate > 0 || dfi->alt_state > 0; | |
629 | } | |
630 | ||
631 | /* Returns the switch name of PHASE. */ | |
632 | ||
633 | const char * | |
634 | dump_flag_name (int phase) | |
47e0da37 DM |
635 | { |
636 | return g->get_dumps ()->dump_flag_name (phase); | |
637 | } | |
638 | ||
639 | const char * | |
640 | gcc::dump_manager:: | |
641 | dump_flag_name (int phase) const | |
b5f47924 SS |
642 | { |
643 | struct dump_file_info *dfi = get_dump_file_info (phase); | |
644 | return dfi->swtch; | |
645 | } | |
646 | ||
647 | /* Finish a tree dump for PHASE. STREAM is the stream created by | |
648 | dump_begin. */ | |
649 | ||
650 | void | |
651 | dump_end (int phase ATTRIBUTE_UNUSED, FILE *stream) | |
652 | { | |
653 | if (stream != stderr && stream != stdout) | |
654 | fclose (stream); | |
655 | } | |
656 | ||
657 | /* Enable all tree dumps with FLAGS on FILENAME. Return number of | |
658 | enabled tree dumps. */ | |
659 | ||
47e0da37 DM |
660 | int |
661 | gcc::dump_manager:: | |
8264c84d | 662 | dump_enable_all (dump_kind dkind, dump_flags_t flags, const char *filename) |
b5f47924 | 663 | { |
b5f47924 SS |
664 | int n = 0; |
665 | size_t i; | |
666 | ||
667 | for (i = TDI_none + 1; i < (size_t) TDI_end; i++) | |
668 | { | |
8264c84d | 669 | if ((dump_files[i].dkind == dkind)) |
b5f47924 SS |
670 | { |
671 | const char *old_filename = dump_files[i].pfilename; | |
672 | dump_files[i].pstate = -1; | |
673 | dump_files[i].pflags |= flags; | |
674 | n++; | |
675 | /* Override the existing filename. */ | |
676 | if (filename) | |
677 | { | |
678 | dump_files[i].pfilename = xstrdup (filename); | |
679 | /* Since it is a command-line provided file, which is | |
680 | common to all the phases, use it in append mode. */ | |
681 | dump_files[i].pstate = 1; | |
682 | } | |
683 | if (old_filename && filename != old_filename) | |
684 | free (CONST_CAST (char *, old_filename)); | |
685 | } | |
686 | } | |
687 | ||
47e0da37 | 688 | for (i = 0; i < m_extra_dump_files_in_use; i++) |
b5f47924 | 689 | { |
8264c84d | 690 | if ((m_extra_dump_files[i].dkind == dkind)) |
b5f47924 | 691 | { |
47e0da37 DM |
692 | const char *old_filename = m_extra_dump_files[i].pfilename; |
693 | m_extra_dump_files[i].pstate = -1; | |
694 | m_extra_dump_files[i].pflags |= flags; | |
b5f47924 SS |
695 | n++; |
696 | /* Override the existing filename. */ | |
697 | if (filename) | |
698 | { | |
47e0da37 | 699 | m_extra_dump_files[i].pfilename = xstrdup (filename); |
b5f47924 SS |
700 | /* Since it is a command-line provided file, which is |
701 | common to all the phases, use it in append mode. */ | |
47e0da37 | 702 | m_extra_dump_files[i].pstate = 1; |
b5f47924 SS |
703 | } |
704 | if (old_filename && filename != old_filename) | |
705 | free (CONST_CAST (char *, old_filename)); | |
706 | } | |
707 | } | |
708 | ||
709 | return n; | |
710 | } | |
711 | ||
2b4e6bf1 SS |
712 | /* Enable -fopt-info dumps on all dump files matching OPTGROUP_FLAGS. |
713 | Enable dumps with FLAGS on FILENAME. Return the number of enabled | |
714 | dumps. */ | |
b5f47924 | 715 | |
47e0da37 DM |
716 | int |
717 | gcc::dump_manager:: | |
1a817418 ML |
718 | opt_info_enable_passes (int optgroup_flags, dump_flags_t flags, |
719 | const char *filename) | |
b5f47924 SS |
720 | { |
721 | int n = 0; | |
722 | size_t i; | |
723 | ||
724 | for (i = TDI_none + 1; i < (size_t) TDI_end; i++) | |
725 | { | |
2b4e6bf1 | 726 | if ((dump_files[i].optgroup_flags & optgroup_flags)) |
b5f47924 SS |
727 | { |
728 | const char *old_filename = dump_files[i].alt_filename; | |
729 | /* Since this file is shared among different passes, it | |
730 | should be opened in append mode. */ | |
731 | dump_files[i].alt_state = 1; | |
732 | dump_files[i].alt_flags |= flags; | |
733 | n++; | |
734 | /* Override the existing filename. */ | |
735 | if (filename) | |
736 | dump_files[i].alt_filename = xstrdup (filename); | |
737 | if (old_filename && filename != old_filename) | |
738 | free (CONST_CAST (char *, old_filename)); | |
739 | } | |
740 | } | |
741 | ||
47e0da37 | 742 | for (i = 0; i < m_extra_dump_files_in_use; i++) |
b5f47924 | 743 | { |
47e0da37 | 744 | if ((m_extra_dump_files[i].optgroup_flags & optgroup_flags)) |
b5f47924 | 745 | { |
47e0da37 | 746 | const char *old_filename = m_extra_dump_files[i].alt_filename; |
b5f47924 SS |
747 | /* Since this file is shared among different passes, it |
748 | should be opened in append mode. */ | |
47e0da37 DM |
749 | m_extra_dump_files[i].alt_state = 1; |
750 | m_extra_dump_files[i].alt_flags |= flags; | |
b5f47924 SS |
751 | n++; |
752 | /* Override the existing filename. */ | |
753 | if (filename) | |
47e0da37 | 754 | m_extra_dump_files[i].alt_filename = xstrdup (filename); |
b5f47924 SS |
755 | if (old_filename && filename != old_filename) |
756 | free (CONST_CAST (char *, old_filename)); | |
757 | } | |
758 | } | |
759 | ||
760 | return n; | |
761 | } | |
762 | ||
763 | /* Parse ARG as a dump switch. Return nonzero if it is, and store the | |
764 | relevant details in the dump_files array. */ | |
765 | ||
47e0da37 DM |
766 | int |
767 | gcc::dump_manager:: | |
b5f47924 SS |
768 | dump_switch_p_1 (const char *arg, struct dump_file_info *dfi, bool doglob) |
769 | { | |
770 | const char *option_value; | |
771 | const char *ptr; | |
1a817418 | 772 | dump_flags_t flags; |
b5f47924 SS |
773 | |
774 | if (doglob && !dfi->glob) | |
775 | return 0; | |
776 | ||
777 | option_value = skip_leading_substring (arg, doglob ? dfi->glob : dfi->swtch); | |
778 | if (!option_value) | |
779 | return 0; | |
780 | ||
781 | if (*option_value && *option_value != '-' && *option_value != '=') | |
782 | return 0; | |
783 | ||
784 | ptr = option_value; | |
785 | flags = 0; | |
786 | ||
787 | while (*ptr) | |
788 | { | |
789 | const struct dump_option_value_info *option_ptr; | |
790 | const char *end_ptr; | |
791 | const char *eq_ptr; | |
792 | unsigned length; | |
793 | ||
794 | while (*ptr == '-') | |
795 | ptr++; | |
796 | end_ptr = strchr (ptr, '-'); | |
797 | eq_ptr = strchr (ptr, '='); | |
798 | ||
799 | if (eq_ptr && !end_ptr) | |
800 | end_ptr = eq_ptr; | |
801 | ||
802 | if (!end_ptr) | |
803 | end_ptr = ptr + strlen (ptr); | |
804 | length = end_ptr - ptr; | |
805 | ||
806 | for (option_ptr = dump_options; option_ptr->name; option_ptr++) | |
807 | if (strlen (option_ptr->name) == length | |
808 | && !memcmp (option_ptr->name, ptr, length)) | |
809 | { | |
810 | flags |= option_ptr->value; | |
811 | goto found; | |
812 | } | |
813 | ||
814 | if (*ptr == '=') | |
815 | { | |
816 | /* Interpret rest of the argument as a dump filename. This | |
817 | filename overrides other command line filenames. */ | |
818 | if (dfi->pfilename) | |
819 | free (CONST_CAST (char *, dfi->pfilename)); | |
820 | dfi->pfilename = xstrdup (ptr + 1); | |
821 | break; | |
822 | } | |
823 | else | |
824 | warning (0, "ignoring unknown option %q.*s in %<-fdump-%s%>", | |
825 | length, ptr, dfi->swtch); | |
826 | found:; | |
827 | ptr = end_ptr; | |
828 | } | |
829 | ||
830 | dfi->pstate = -1; | |
831 | dfi->pflags |= flags; | |
832 | ||
833 | /* Process -fdump-tree-all and -fdump-rtl-all, by enabling all the | |
834 | known dumps. */ | |
835 | if (dfi->suffix == NULL) | |
8264c84d | 836 | dump_enable_all (dfi->dkind, dfi->pflags, dfi->pfilename); |
b5f47924 SS |
837 | |
838 | return 1; | |
839 | } | |
840 | ||
841 | int | |
47e0da37 | 842 | gcc::dump_manager:: |
b5f47924 SS |
843 | dump_switch_p (const char *arg) |
844 | { | |
845 | size_t i; | |
846 | int any = 0; | |
847 | ||
848 | for (i = TDI_none + 1; i != TDI_end; i++) | |
849 | any |= dump_switch_p_1 (arg, &dump_files[i], false); | |
850 | ||
851 | /* Don't glob if we got a hit already */ | |
852 | if (!any) | |
853 | for (i = TDI_none + 1; i != TDI_end; i++) | |
854 | any |= dump_switch_p_1 (arg, &dump_files[i], true); | |
855 | ||
47e0da37 DM |
856 | for (i = 0; i < m_extra_dump_files_in_use; i++) |
857 | any |= dump_switch_p_1 (arg, &m_extra_dump_files[i], false); | |
b5f47924 SS |
858 | |
859 | if (!any) | |
47e0da37 DM |
860 | for (i = 0; i < m_extra_dump_files_in_use; i++) |
861 | any |= dump_switch_p_1 (arg, &m_extra_dump_files[i], true); | |
b5f47924 SS |
862 | |
863 | ||
864 | return any; | |
865 | } | |
866 | ||
2b4e6bf1 SS |
867 | /* Parse ARG as a -fopt-info switch and store flags, optgroup_flags |
868 | and filename. Return non-zero if it is a recognized switch. */ | |
b5f47924 SS |
869 | |
870 | static int | |
1a817418 | 871 | opt_info_switch_p_1 (const char *arg, dump_flags_t *flags, int *optgroup_flags, |
2b4e6bf1 | 872 | char **filename) |
b5f47924 SS |
873 | { |
874 | const char *option_value; | |
875 | const char *ptr; | |
876 | ||
877 | option_value = arg; | |
878 | ptr = option_value; | |
879 | ||
880 | *filename = NULL; | |
881 | *flags = 0; | |
2b4e6bf1 | 882 | *optgroup_flags = 0; |
b5f47924 SS |
883 | |
884 | if (!ptr) | |
2b4e6bf1 | 885 | return 1; /* Handle '-fopt-info' without any additional options. */ |
b5f47924 SS |
886 | |
887 | while (*ptr) | |
888 | { | |
889 | const struct dump_option_value_info *option_ptr; | |
890 | const char *end_ptr; | |
891 | const char *eq_ptr; | |
892 | unsigned length; | |
893 | ||
894 | while (*ptr == '-') | |
895 | ptr++; | |
896 | end_ptr = strchr (ptr, '-'); | |
897 | eq_ptr = strchr (ptr, '='); | |
898 | ||
899 | if (eq_ptr && !end_ptr) | |
900 | end_ptr = eq_ptr; | |
901 | ||
902 | if (!end_ptr) | |
903 | end_ptr = ptr + strlen (ptr); | |
904 | length = end_ptr - ptr; | |
905 | ||
2b4e6bf1 SS |
906 | for (option_ptr = optinfo_verbosity_options; option_ptr->name; |
907 | option_ptr++) | |
b5f47924 SS |
908 | if (strlen (option_ptr->name) == length |
909 | && !memcmp (option_ptr->name, ptr, length)) | |
910 | { | |
911 | *flags |= option_ptr->value; | |
912 | goto found; | |
913 | } | |
914 | ||
2b4e6bf1 SS |
915 | for (option_ptr = optgroup_options; option_ptr->name; option_ptr++) |
916 | if (strlen (option_ptr->name) == length | |
917 | && !memcmp (option_ptr->name, ptr, length)) | |
918 | { | |
919 | *optgroup_flags |= option_ptr->value; | |
920 | goto found; | |
921 | } | |
922 | ||
b5f47924 SS |
923 | if (*ptr == '=') |
924 | { | |
925 | /* Interpret rest of the argument as a dump filename. This | |
926 | filename overrides other command line filenames. */ | |
927 | *filename = xstrdup (ptr + 1); | |
928 | break; | |
929 | } | |
930 | else | |
2b4e6bf1 SS |
931 | { |
932 | warning (0, "unknown option %q.*s in %<-fopt-info-%s%>", | |
933 | length, ptr, arg); | |
934 | return 0; | |
935 | } | |
b5f47924 SS |
936 | found:; |
937 | ptr = end_ptr; | |
938 | } | |
939 | ||
940 | return 1; | |
941 | } | |
942 | ||
943 | /* Return non-zero if ARG is a recognized switch for | |
944 | -fopt-info. Return zero otherwise. */ | |
945 | ||
946 | int | |
947 | opt_info_switch_p (const char *arg) | |
948 | { | |
1a817418 | 949 | dump_flags_t flags; |
2b4e6bf1 | 950 | int optgroup_flags; |
b5f47924 | 951 | char *filename; |
2b4e6bf1 | 952 | static char *file_seen = NULL; |
47e0da37 | 953 | gcc::dump_manager *dumps = g->get_dumps (); |
b5f47924 | 954 | |
2b4e6bf1 SS |
955 | if (!opt_info_switch_p_1 (arg, &flags, &optgroup_flags, &filename)) |
956 | return 0; | |
b5f47924 SS |
957 | |
958 | if (!filename) | |
959 | filename = xstrdup ("stderr"); | |
2b4e6bf1 SS |
960 | |
961 | /* Bail out if a different filename has been specified. */ | |
962 | if (file_seen && strcmp (file_seen, filename)) | |
963 | { | |
964 | warning (0, "ignoring possibly conflicting option %<-fopt-info-%s%>", | |
965 | arg); | |
966 | return 1; | |
967 | } | |
968 | ||
969 | file_seen = xstrdup (filename); | |
b5f47924 | 970 | if (!flags) |
5d318fd4 | 971 | flags = MSG_OPTIMIZED_LOCATIONS; |
2b4e6bf1 SS |
972 | if (!optgroup_flags) |
973 | optgroup_flags = OPTGROUP_ALL; | |
b5f47924 | 974 | |
47e0da37 | 975 | return dumps->opt_info_enable_passes (optgroup_flags, flags, filename); |
b5f47924 SS |
976 | } |
977 | ||
b5f47924 SS |
978 | /* Print basic block on the dump streams. */ |
979 | ||
980 | void | |
981 | dump_basic_block (int dump_kind, basic_block bb, int indent) | |
982 | { | |
983 | if (dump_file && (dump_kind & pflags)) | |
984 | dump_bb (dump_file, bb, indent, TDF_DETAILS); | |
985 | if (alt_dump_file && (dump_kind & alt_flags)) | |
986 | dump_bb (alt_dump_file, bb, indent, TDF_DETAILS); | |
987 | } | |
988 | ||
c24e924f NS |
989 | /* Dump FUNCTION_DECL FN as tree dump PHASE. */ |
990 | ||
991 | void | |
992 | dump_function (int phase, tree fn) | |
993 | { | |
994 | FILE *stream; | |
1a817418 | 995 | dump_flags_t flags; |
c24e924f NS |
996 | |
997 | stream = dump_begin (phase, &flags); | |
998 | if (stream) | |
999 | { | |
1000 | dump_function_to_file (fn, stream, flags); | |
1001 | dump_end (phase, stream); | |
1002 | } | |
1003 | } | |
1004 | ||
b5f47924 SS |
1005 | /* Print information from the combine pass on dump_file. */ |
1006 | ||
1007 | void | |
1008 | print_combine_total_stats (void) | |
1009 | { | |
1010 | if (dump_file) | |
1011 | dump_combine_total_stats (dump_file); | |
1012 | } | |
1013 | ||
1014 | /* Enable RTL dump for all the RTL passes. */ | |
1015 | ||
1016 | bool | |
1017 | enable_rtl_dump_file (void) | |
1018 | { | |
47e0da37 DM |
1019 | gcc::dump_manager *dumps = g->get_dumps (); |
1020 | int num_enabled = | |
8264c84d ML |
1021 | dumps->dump_enable_all (DK_rtl, dump_flags_t (TDF_DETAILS) | TDF_BLOCKS, |
1022 | NULL); | |
47e0da37 | 1023 | return num_enabled > 0; |
b5f47924 | 1024 | } |