re PR c++/79790 ([C++17] ICE class template argument deduction failed)
[official-gcc.git] / gcc / dumpfile.c
blob658500b6103b53494c97394c452c15838f88325a
1 /* Dump infrastructure for optimizations and intermediate representation.
2 Copyright (C) 2012-2017 Free Software Foundation, Inc.
4 This file is part of GCC.
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.
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.
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/>. */
20 #include "config.h"
21 #include "system.h"
22 #include "coretypes.h"
23 #include "options.h"
24 #include "tree.h"
25 #include "gimple-pretty-print.h"
26 #include "diagnostic-core.h"
27 #include "dumpfile.h"
28 #include "context.h"
29 #include "profile-count.h"
30 #include "tree-cfg.h"
31 #include "langhooks.h"
33 /* If non-NULL, return one past-the-end of the matching SUBPART of
34 the WHOLE string. */
35 #define skip_leading_substring(whole, part) \
36 (strncmp (whole, part, strlen (part)) ? NULL : whole + strlen (part))
38 static dump_flags_t pflags; /* current dump_flags */
39 static dump_flags_t alt_flags; /* current opt_info flags */
41 static void dump_loc (dump_flags_t, FILE *, source_location);
42 static FILE *dump_open_alternate_stream (struct dump_file_info *);
44 /* These are currently used for communicating between passes.
45 However, instead of accessing them directly, the passes can use
46 dump_printf () for dumps. */
47 FILE *dump_file = NULL;
48 FILE *alt_dump_file = NULL;
49 const char *dump_file_name;
50 dump_flags_t dump_flags;
52 #define DUMP_FILE_INFO(suffix, swtch, dkind, num) \
53 {suffix, swtch, NULL, NULL, NULL, NULL, NULL, dkind, 0, 0, 0, 0, 0, num, \
54 false, false}
56 /* Table of tree dump switches. This must be consistent with the
57 TREE_DUMP_INDEX enumeration in dumpfile.h. */
58 static struct dump_file_info dump_files[TDI_end] =
60 DUMP_FILE_INFO (NULL, NULL, DK_none, 0),
61 DUMP_FILE_INFO (".cgraph", "ipa-cgraph", DK_ipa, 0),
62 DUMP_FILE_INFO (".type-inheritance", "ipa-type-inheritance", DK_ipa, 0),
63 DUMP_FILE_INFO (".ipa-clones", "ipa-clones", DK_ipa, 0),
64 DUMP_FILE_INFO (".original", "tree-original", DK_tree, 0),
65 DUMP_FILE_INFO (".gimple", "tree-gimple", DK_tree, 0),
66 DUMP_FILE_INFO (".nested", "tree-nested", DK_tree, 0),
67 #define FIRST_AUTO_NUMBERED_DUMP 1
68 #define FIRST_ME_AUTO_NUMBERED_DUMP 3
70 DUMP_FILE_INFO (NULL, "lang-all", DK_lang, 0),
71 DUMP_FILE_INFO (NULL, "tree-all", DK_tree, 0),
72 DUMP_FILE_INFO (NULL, "rtl-all", DK_rtl, 0),
73 DUMP_FILE_INFO (NULL, "ipa-all", DK_ipa, 0),
76 /* Define a name->number mapping for a dump flag value. */
77 struct dump_option_value_info
79 const char *const name; /* the name of the value */
80 const dump_flags_t value; /* the value of the name */
83 /* Table of dump options. This must be consistent with the TDF_* flags
84 in dumpfile.h and opt_info_options below. */
85 static const struct dump_option_value_info dump_options[] =
87 {"address", TDF_ADDRESS},
88 {"asmname", TDF_ASMNAME},
89 {"slim", TDF_SLIM},
90 {"raw", TDF_RAW},
91 {"graph", TDF_GRAPH},
92 {"details", (TDF_DETAILS | MSG_OPTIMIZED_LOCATIONS
93 | MSG_MISSED_OPTIMIZATION
94 | MSG_NOTE)},
95 {"cselib", TDF_CSELIB},
96 {"stats", TDF_STATS},
97 {"blocks", TDF_BLOCKS},
98 {"vops", TDF_VOPS},
99 {"lineno", TDF_LINENO},
100 {"uid", TDF_UID},
101 {"stmtaddr", TDF_STMTADDR},
102 {"memsyms", TDF_MEMSYMS},
103 {"eh", TDF_EH},
104 {"alias", TDF_ALIAS},
105 {"nouid", TDF_NOUID},
106 {"enumerate_locals", TDF_ENUMERATE_LOCALS},
107 {"scev", TDF_SCEV},
108 {"gimple", TDF_GIMPLE},
109 {"folding", TDF_FOLDING},
110 {"optimized", MSG_OPTIMIZED_LOCATIONS},
111 {"missed", MSG_MISSED_OPTIMIZATION},
112 {"note", MSG_NOTE},
113 {"optall", MSG_ALL},
114 {"all", dump_flags_t (~(TDF_RAW | TDF_SLIM | TDF_LINENO | TDF_GRAPH
115 | TDF_STMTADDR | TDF_RHS_ONLY | TDF_NOUID
116 | TDF_ENUMERATE_LOCALS | TDF_SCEV | TDF_GIMPLE))},
117 {NULL, 0}
120 /* A subset of the dump_options table which is used for -fopt-info
121 types. This must be consistent with the MSG_* flags in dumpfile.h.
123 static const struct dump_option_value_info optinfo_verbosity_options[] =
125 {"optimized", MSG_OPTIMIZED_LOCATIONS},
126 {"missed", MSG_MISSED_OPTIMIZATION},
127 {"note", MSG_NOTE},
128 {"all", MSG_ALL},
129 {NULL, 0}
132 /* Flags used for -fopt-info groups. */
133 static const struct dump_option_value_info optgroup_options[] =
135 {"ipa", OPTGROUP_IPA},
136 {"loop", OPTGROUP_LOOP},
137 {"inline", OPTGROUP_INLINE},
138 {"omp", OPTGROUP_OMP},
139 {"vec", OPTGROUP_VEC},
140 {"optall", OPTGROUP_ALL},
141 {NULL, 0}
144 gcc::dump_manager::dump_manager ():
145 m_next_dump (FIRST_AUTO_NUMBERED_DUMP),
146 m_extra_dump_files (NULL),
147 m_extra_dump_files_in_use (0),
148 m_extra_dump_files_alloced (0)
152 gcc::dump_manager::~dump_manager ()
154 for (size_t i = 0; i < m_extra_dump_files_in_use; i++)
156 dump_file_info *dfi = &m_extra_dump_files[i];
157 /* suffix, swtch, glob are statically allocated for the entries
158 in dump_files, and for statistics, but are dynamically allocated
159 for those for passes. */
160 if (dfi->owns_strings)
162 XDELETEVEC (const_cast <char *> (dfi->suffix));
163 XDELETEVEC (const_cast <char *> (dfi->swtch));
164 XDELETEVEC (const_cast <char *> (dfi->glob));
166 /* These, if non-NULL, are always dynamically allocated. */
167 XDELETEVEC (const_cast <char *> (dfi->pfilename));
168 XDELETEVEC (const_cast <char *> (dfi->alt_filename));
170 XDELETEVEC (m_extra_dump_files);
173 unsigned int
174 gcc::dump_manager::
175 dump_register (const char *suffix, const char *swtch, const char *glob,
176 dump_kind dkind, int optgroup_flags, bool take_ownership)
178 int num = m_next_dump++;
180 size_t count = m_extra_dump_files_in_use++;
182 if (count >= m_extra_dump_files_alloced)
184 if (m_extra_dump_files_alloced == 0)
185 m_extra_dump_files_alloced = 512;
186 else
187 m_extra_dump_files_alloced *= 2;
188 m_extra_dump_files = XRESIZEVEC (struct dump_file_info,
189 m_extra_dump_files,
190 m_extra_dump_files_alloced);
192 /* Construct a new object in the space allocated above. */
193 new (m_extra_dump_files + count) dump_file_info ();
195 else
197 /* Zero out the already constructed object. */
198 m_extra_dump_files[count] = dump_file_info ();
201 m_extra_dump_files[count].suffix = suffix;
202 m_extra_dump_files[count].swtch = swtch;
203 m_extra_dump_files[count].glob = glob;
204 m_extra_dump_files[count].dkind = dkind;
205 m_extra_dump_files[count].optgroup_flags = optgroup_flags;
206 m_extra_dump_files[count].num = num;
207 m_extra_dump_files[count].owns_strings = take_ownership;
209 return count + TDI_end;
213 /* Allow languages and middle-end to register their dumps before the
214 optimization passes. */
216 void
217 gcc::dump_manager::
218 register_dumps ()
220 lang_hooks.register_dumps (this);
221 /* If this assert fails, some FE registered more than
222 FIRST_ME_AUTO_NUMBERED_DUMP - FIRST_AUTO_NUMBERED_DUMP
223 dump files. Bump FIRST_ME_AUTO_NUMBERED_DUMP accordingly. */
224 gcc_assert (m_next_dump <= FIRST_ME_AUTO_NUMBERED_DUMP);
225 m_next_dump = FIRST_ME_AUTO_NUMBERED_DUMP;
226 dump_files[TDI_original].num = m_next_dump++;
227 dump_files[TDI_gimple].num = m_next_dump++;
228 dump_files[TDI_nested].num = m_next_dump++;
232 /* Return the dump_file_info for the given phase. */
234 struct dump_file_info *
235 gcc::dump_manager::
236 get_dump_file_info (int phase) const
238 if (phase < TDI_end)
239 return &dump_files[phase];
240 else if ((size_t) (phase - TDI_end) >= m_extra_dump_files_in_use)
241 return NULL;
242 else
243 return m_extra_dump_files + (phase - TDI_end);
246 /* Locate the dump_file_info with swtch equal to SWTCH,
247 or return NULL if no such dump_file_info exists. */
249 struct dump_file_info *
250 gcc::dump_manager::
251 get_dump_file_info_by_switch (const char *swtch) const
253 for (unsigned i = 0; i < m_extra_dump_files_in_use; i++)
254 if (0 == strcmp (m_extra_dump_files[i].swtch, swtch))
255 return &m_extra_dump_files[i];
257 /* Not found. */
258 return NULL;
262 /* Return the name of the dump file for the given phase.
263 The caller is responsible for calling free on the returned
264 buffer.
265 If the dump is not enabled, returns NULL. */
267 char *
268 gcc::dump_manager::
269 get_dump_file_name (int phase) const
271 struct dump_file_info *dfi;
273 if (phase == TDI_none)
274 return NULL;
276 dfi = get_dump_file_info (phase);
278 return get_dump_file_name (dfi);
281 /* Return the name of the dump file for the given dump_file_info.
282 The caller is responsible for calling free on the returned
283 buffer.
284 If the dump is not enabled, returns NULL. */
286 char *
287 gcc::dump_manager::
288 get_dump_file_name (struct dump_file_info *dfi) const
290 char dump_id[10];
292 gcc_assert (dfi);
294 if (dfi->pstate == 0)
295 return NULL;
297 /* If available, use the command line dump filename. */
298 if (dfi->pfilename)
299 return xstrdup (dfi->pfilename);
301 if (dfi->num < 0)
302 dump_id[0] = '\0';
303 else
305 /* (null), LANG, TREE, RTL, IPA. */
306 char suffix = " ltri"[dfi->dkind];
308 if (snprintf (dump_id, sizeof (dump_id), ".%03d%c", dfi->num, suffix) < 0)
309 dump_id[0] = '\0';
312 return concat (dump_base_name, dump_id, dfi->suffix, NULL);
315 /* For a given DFI, open an alternate dump filename (which could also
316 be a standard stream such as stdout/stderr). If the alternate dump
317 file cannot be opened, return NULL. */
319 static FILE *
320 dump_open_alternate_stream (struct dump_file_info *dfi)
322 FILE *stream ;
323 if (!dfi->alt_filename)
324 return NULL;
326 if (dfi->alt_stream)
327 return dfi->alt_stream;
329 stream = strcmp ("stderr", dfi->alt_filename) == 0
330 ? stderr
331 : strcmp ("stdout", dfi->alt_filename) == 0
332 ? stdout
333 : fopen (dfi->alt_filename, dfi->alt_state < 0 ? "w" : "a");
335 if (!stream)
336 error ("could not open dump file %qs: %m", dfi->alt_filename);
337 else
338 dfi->alt_state = 1;
340 return stream;
343 /* Print source location on DFILE if enabled. */
345 void
346 dump_loc (dump_flags_t dump_kind, FILE *dfile, source_location loc)
348 if (dump_kind)
350 if (LOCATION_LOCUS (loc) > BUILTINS_LOCATION)
351 fprintf (dfile, "%s:%d:%d: note: ", LOCATION_FILE (loc),
352 LOCATION_LINE (loc), LOCATION_COLUMN (loc));
353 else if (current_function_decl)
354 fprintf (dfile, "%s:%d:%d: note: ",
355 DECL_SOURCE_FILE (current_function_decl),
356 DECL_SOURCE_LINE (current_function_decl),
357 DECL_SOURCE_COLUMN (current_function_decl));
361 /* Dump gimple statement GS with SPC indentation spaces and
362 EXTRA_DUMP_FLAGS on the dump streams if DUMP_KIND is enabled. */
364 void
365 dump_gimple_stmt (dump_flags_t dump_kind, dump_flags_t extra_dump_flags,
366 gimple *gs, int spc)
368 if (dump_file && (dump_kind & pflags))
369 print_gimple_stmt (dump_file, gs, spc, dump_flags | extra_dump_flags);
371 if (alt_dump_file && (dump_kind & alt_flags))
372 print_gimple_stmt (alt_dump_file, gs, spc, dump_flags | extra_dump_flags);
375 /* Similar to dump_gimple_stmt, except additionally print source location. */
377 void
378 dump_gimple_stmt_loc (dump_flags_t dump_kind, source_location loc,
379 dump_flags_t extra_dump_flags, gimple *gs, int spc)
381 if (dump_file && (dump_kind & pflags))
383 dump_loc (dump_kind, dump_file, loc);
384 print_gimple_stmt (dump_file, gs, spc, dump_flags | extra_dump_flags);
387 if (alt_dump_file && (dump_kind & alt_flags))
389 dump_loc (dump_kind, alt_dump_file, loc);
390 print_gimple_stmt (alt_dump_file, gs, spc, dump_flags | extra_dump_flags);
394 /* Dump expression tree T using EXTRA_DUMP_FLAGS on dump streams if
395 DUMP_KIND is enabled. */
397 void
398 dump_generic_expr (dump_flags_t dump_kind, dump_flags_t extra_dump_flags,
399 tree t)
401 if (dump_file && (dump_kind & pflags))
402 print_generic_expr (dump_file, t, dump_flags | extra_dump_flags);
404 if (alt_dump_file && (dump_kind & alt_flags))
405 print_generic_expr (alt_dump_file, t, dump_flags | extra_dump_flags);
409 /* Similar to dump_generic_expr, except additionally print the source
410 location. */
412 void
413 dump_generic_expr_loc (int dump_kind, source_location loc,
414 dump_flags_t extra_dump_flags, tree t)
416 if (dump_file && (dump_kind & pflags))
418 dump_loc (dump_kind, dump_file, loc);
419 print_generic_expr (dump_file, t, dump_flags | extra_dump_flags);
422 if (alt_dump_file && (dump_kind & alt_flags))
424 dump_loc (dump_kind, alt_dump_file, loc);
425 print_generic_expr (alt_dump_file, t, dump_flags | extra_dump_flags);
429 /* Output a formatted message using FORMAT on appropriate dump streams. */
431 void
432 dump_printf (dump_flags_t dump_kind, const char *format, ...)
434 if (dump_file && (dump_kind & pflags))
436 va_list ap;
437 va_start (ap, format);
438 vfprintf (dump_file, format, ap);
439 va_end (ap);
442 if (alt_dump_file && (dump_kind & alt_flags))
444 va_list ap;
445 va_start (ap, format);
446 vfprintf (alt_dump_file, format, ap);
447 va_end (ap);
451 /* Similar to dump_printf, except source location is also printed. */
453 void
454 dump_printf_loc (dump_flags_t dump_kind, source_location loc,
455 const char *format, ...)
457 if (dump_file && (dump_kind & pflags))
459 va_list ap;
460 dump_loc (dump_kind, dump_file, loc);
461 va_start (ap, format);
462 vfprintf (dump_file, format, ap);
463 va_end (ap);
466 if (alt_dump_file && (dump_kind & alt_flags))
468 va_list ap;
469 dump_loc (dump_kind, alt_dump_file, loc);
470 va_start (ap, format);
471 vfprintf (alt_dump_file, format, ap);
472 va_end (ap);
476 /* Start a dump for PHASE. Store user-supplied dump flags in
477 *FLAG_PTR. Return the number of streams opened. Set globals
478 DUMP_FILE, and ALT_DUMP_FILE to point to the opened streams, and
479 set dump_flags appropriately for both pass dump stream and
480 -fopt-info stream. */
483 gcc::dump_manager::
484 dump_start (int phase, dump_flags_t *flag_ptr)
486 int count = 0;
487 char *name;
488 struct dump_file_info *dfi;
489 FILE *stream;
490 if (phase == TDI_none || !dump_phase_enabled_p (phase))
491 return 0;
493 dfi = get_dump_file_info (phase);
494 name = get_dump_file_name (phase);
495 if (name)
497 stream = strcmp ("stderr", name) == 0
498 ? stderr
499 : strcmp ("stdout", name) == 0
500 ? stdout
501 : fopen (name, dfi->pstate < 0 ? "w" : "a");
502 if (!stream)
503 error ("could not open dump file %qs: %m", name);
504 else
506 dfi->pstate = 1;
507 count++;
509 free (name);
510 dfi->pstream = stream;
511 dump_file = dfi->pstream;
512 /* Initialize current dump flags. */
513 pflags = dfi->pflags;
516 stream = dump_open_alternate_stream (dfi);
517 if (stream)
519 dfi->alt_stream = stream;
520 count++;
521 alt_dump_file = dfi->alt_stream;
522 /* Initialize current -fopt-info flags. */
523 alt_flags = dfi->alt_flags;
526 if (flag_ptr)
527 *flag_ptr = dfi->pflags;
529 return count;
532 /* Finish a tree dump for PHASE and close associated dump streams. Also
533 reset the globals DUMP_FILE, ALT_DUMP_FILE, and DUMP_FLAGS. */
535 void
536 gcc::dump_manager::
537 dump_finish (int phase)
539 struct dump_file_info *dfi;
541 if (phase < 0)
542 return;
543 dfi = get_dump_file_info (phase);
544 if (dfi->pstream && (!dfi->pfilename
545 || (strcmp ("stderr", dfi->pfilename) != 0
546 && strcmp ("stdout", dfi->pfilename) != 0)))
547 fclose (dfi->pstream);
549 if (dfi->alt_stream && strcmp ("stderr", dfi->alt_filename) != 0
550 && strcmp ("stdout", dfi->alt_filename) != 0)
551 fclose (dfi->alt_stream);
553 dfi->alt_stream = NULL;
554 dfi->pstream = NULL;
555 dump_file = NULL;
556 alt_dump_file = NULL;
557 dump_flags = TDI_none;
558 alt_flags = 0;
559 pflags = 0;
562 /* Begin a tree dump for PHASE. Stores any user supplied flag in
563 *FLAG_PTR and returns a stream to write to. If the dump is not
564 enabled, returns NULL.
565 Multiple calls will reopen and append to the dump file. */
567 FILE *
568 dump_begin (int phase, dump_flags_t *flag_ptr)
570 return g->get_dumps ()->dump_begin (phase, flag_ptr);
573 FILE *
574 gcc::dump_manager::
575 dump_begin (int phase, dump_flags_t *flag_ptr)
577 char *name;
578 struct dump_file_info *dfi;
579 FILE *stream;
581 if (phase == TDI_none || !dump_phase_enabled_p (phase))
582 return NULL;
584 name = get_dump_file_name (phase);
585 if (!name)
586 return NULL;
587 dfi = get_dump_file_info (phase);
589 stream = strcmp ("stderr", name) == 0
590 ? stderr
591 : strcmp ("stdout", name) == 0
592 ? stdout
593 : fopen (name, dfi->pstate < 0 ? "w" : "a");
595 if (!stream)
596 error ("could not open dump file %qs: %m", name);
597 else
598 dfi->pstate = 1;
599 free (name);
601 if (flag_ptr)
602 *flag_ptr = dfi->pflags;
604 /* Initialize current flags */
605 pflags = dfi->pflags;
606 return stream;
609 /* Returns nonzero if dump PHASE is enabled for at least one stream.
610 If PHASE is TDI_tree_all, return nonzero if any dump is enabled for
611 any phase. */
614 gcc::dump_manager::
615 dump_phase_enabled_p (int phase) const
617 if (phase == TDI_tree_all)
619 size_t i;
620 for (i = TDI_none + 1; i < (size_t) TDI_end; i++)
621 if (dump_files[i].pstate || dump_files[i].alt_state)
622 return 1;
623 for (i = 0; i < m_extra_dump_files_in_use; i++)
624 if (m_extra_dump_files[i].pstate || m_extra_dump_files[i].alt_state)
625 return 1;
626 return 0;
628 else
630 struct dump_file_info *dfi = get_dump_file_info (phase);
631 return dfi->pstate || dfi->alt_state;
635 /* Returns nonzero if tree dump PHASE has been initialized. */
638 gcc::dump_manager::
639 dump_initialized_p (int phase) const
641 struct dump_file_info *dfi = get_dump_file_info (phase);
642 return dfi->pstate > 0 || dfi->alt_state > 0;
645 /* Returns the switch name of PHASE. */
647 const char *
648 dump_flag_name (int phase)
650 return g->get_dumps ()->dump_flag_name (phase);
653 const char *
654 gcc::dump_manager::
655 dump_flag_name (int phase) const
657 struct dump_file_info *dfi = get_dump_file_info (phase);
658 return dfi->swtch;
661 /* Finish a tree dump for PHASE. STREAM is the stream created by
662 dump_begin. */
664 void
665 dump_end (int phase ATTRIBUTE_UNUSED, FILE *stream)
667 if (stream != stderr && stream != stdout)
668 fclose (stream);
671 /* Enable all tree dumps with FLAGS on FILENAME. Return number of
672 enabled tree dumps. */
675 gcc::dump_manager::
676 dump_enable_all (dump_kind dkind, dump_flags_t flags, const char *filename)
678 int n = 0;
679 size_t i;
681 for (i = TDI_none + 1; i < (size_t) TDI_end; i++)
683 if ((dump_files[i].dkind == dkind))
685 const char *old_filename = dump_files[i].pfilename;
686 dump_files[i].pstate = -1;
687 dump_files[i].pflags |= flags;
688 n++;
689 /* Override the existing filename. */
690 if (filename)
692 dump_files[i].pfilename = xstrdup (filename);
693 /* Since it is a command-line provided file, which is
694 common to all the phases, use it in append mode. */
695 dump_files[i].pstate = 1;
697 if (old_filename && filename != old_filename)
698 free (CONST_CAST (char *, old_filename));
702 for (i = 0; i < m_extra_dump_files_in_use; i++)
704 if ((m_extra_dump_files[i].dkind == dkind))
706 const char *old_filename = m_extra_dump_files[i].pfilename;
707 m_extra_dump_files[i].pstate = -1;
708 m_extra_dump_files[i].pflags |= flags;
709 n++;
710 /* Override the existing filename. */
711 if (filename)
713 m_extra_dump_files[i].pfilename = xstrdup (filename);
714 /* Since it is a command-line provided file, which is
715 common to all the phases, use it in append mode. */
716 m_extra_dump_files[i].pstate = 1;
718 if (old_filename && filename != old_filename)
719 free (CONST_CAST (char *, old_filename));
723 return n;
726 /* Enable -fopt-info dumps on all dump files matching OPTGROUP_FLAGS.
727 Enable dumps with FLAGS on FILENAME. Return the number of enabled
728 dumps. */
731 gcc::dump_manager::
732 opt_info_enable_passes (int optgroup_flags, dump_flags_t flags,
733 const char *filename)
735 int n = 0;
736 size_t i;
738 for (i = TDI_none + 1; i < (size_t) TDI_end; i++)
740 if ((dump_files[i].optgroup_flags & optgroup_flags))
742 const char *old_filename = dump_files[i].alt_filename;
743 /* Since this file is shared among different passes, it
744 should be opened in append mode. */
745 dump_files[i].alt_state = 1;
746 dump_files[i].alt_flags |= flags;
747 n++;
748 /* Override the existing filename. */
749 if (filename)
750 dump_files[i].alt_filename = xstrdup (filename);
751 if (old_filename && filename != old_filename)
752 free (CONST_CAST (char *, old_filename));
756 for (i = 0; i < m_extra_dump_files_in_use; i++)
758 if ((m_extra_dump_files[i].optgroup_flags & optgroup_flags))
760 const char *old_filename = m_extra_dump_files[i].alt_filename;
761 /* Since this file is shared among different passes, it
762 should be opened in append mode. */
763 m_extra_dump_files[i].alt_state = 1;
764 m_extra_dump_files[i].alt_flags |= flags;
765 n++;
766 /* Override the existing filename. */
767 if (filename)
768 m_extra_dump_files[i].alt_filename = xstrdup (filename);
769 if (old_filename && filename != old_filename)
770 free (CONST_CAST (char *, old_filename));
774 return n;
777 /* Parse ARG as a dump switch. Return nonzero if it is, and store the
778 relevant details in the dump_files array. */
781 gcc::dump_manager::
782 dump_switch_p_1 (const char *arg, struct dump_file_info *dfi, bool doglob)
784 const char *option_value;
785 const char *ptr;
786 dump_flags_t flags;
788 if (doglob && !dfi->glob)
789 return 0;
791 option_value = skip_leading_substring (arg, doglob ? dfi->glob : dfi->swtch);
792 if (!option_value)
793 return 0;
795 if (*option_value && *option_value != '-' && *option_value != '=')
796 return 0;
798 ptr = option_value;
799 flags = 0;
801 while (*ptr)
803 const struct dump_option_value_info *option_ptr;
804 const char *end_ptr;
805 const char *eq_ptr;
806 unsigned length;
808 while (*ptr == '-')
809 ptr++;
810 end_ptr = strchr (ptr, '-');
811 eq_ptr = strchr (ptr, '=');
813 if (eq_ptr && !end_ptr)
814 end_ptr = eq_ptr;
816 if (!end_ptr)
817 end_ptr = ptr + strlen (ptr);
818 length = end_ptr - ptr;
820 for (option_ptr = dump_options; option_ptr->name; option_ptr++)
821 if (strlen (option_ptr->name) == length
822 && !memcmp (option_ptr->name, ptr, length))
824 flags |= option_ptr->value;
825 goto found;
828 if (*ptr == '=')
830 /* Interpret rest of the argument as a dump filename. This
831 filename overrides other command line filenames. */
832 if (dfi->pfilename)
833 free (CONST_CAST (char *, dfi->pfilename));
834 dfi->pfilename = xstrdup (ptr + 1);
835 break;
837 else
838 warning (0, "ignoring unknown option %q.*s in %<-fdump-%s%>",
839 length, ptr, dfi->swtch);
840 found:;
841 ptr = end_ptr;
844 dfi->pstate = -1;
845 dfi->pflags |= flags;
847 /* Process -fdump-tree-all and -fdump-rtl-all, by enabling all the
848 known dumps. */
849 if (dfi->suffix == NULL)
850 dump_enable_all (dfi->dkind, dfi->pflags, dfi->pfilename);
852 return 1;
856 gcc::dump_manager::
857 dump_switch_p (const char *arg)
859 size_t i;
860 int any = 0;
862 for (i = TDI_none + 1; i != TDI_end; i++)
863 any |= dump_switch_p_1 (arg, &dump_files[i], false);
865 /* Don't glob if we got a hit already */
866 if (!any)
867 for (i = TDI_none + 1; i != TDI_end; i++)
868 any |= dump_switch_p_1 (arg, &dump_files[i], true);
870 for (i = 0; i < m_extra_dump_files_in_use; i++)
871 any |= dump_switch_p_1 (arg, &m_extra_dump_files[i], false);
873 if (!any)
874 for (i = 0; i < m_extra_dump_files_in_use; i++)
875 any |= dump_switch_p_1 (arg, &m_extra_dump_files[i], true);
878 return any;
881 /* Parse ARG as a -fopt-info switch and store flags, optgroup_flags
882 and filename. Return non-zero if it is a recognized switch. */
884 static int
885 opt_info_switch_p_1 (const char *arg, dump_flags_t *flags, int *optgroup_flags,
886 char **filename)
888 const char *option_value;
889 const char *ptr;
891 option_value = arg;
892 ptr = option_value;
894 *filename = NULL;
895 *flags = 0;
896 *optgroup_flags = 0;
898 if (!ptr)
899 return 1; /* Handle '-fopt-info' without any additional options. */
901 while (*ptr)
903 const struct dump_option_value_info *option_ptr;
904 const char *end_ptr;
905 const char *eq_ptr;
906 unsigned length;
908 while (*ptr == '-')
909 ptr++;
910 end_ptr = strchr (ptr, '-');
911 eq_ptr = strchr (ptr, '=');
913 if (eq_ptr && !end_ptr)
914 end_ptr = eq_ptr;
916 if (!end_ptr)
917 end_ptr = ptr + strlen (ptr);
918 length = end_ptr - ptr;
920 for (option_ptr = optinfo_verbosity_options; option_ptr->name;
921 option_ptr++)
922 if (strlen (option_ptr->name) == length
923 && !memcmp (option_ptr->name, ptr, length))
925 *flags |= option_ptr->value;
926 goto found;
929 for (option_ptr = optgroup_options; option_ptr->name; option_ptr++)
930 if (strlen (option_ptr->name) == length
931 && !memcmp (option_ptr->name, ptr, length))
933 *optgroup_flags |= option_ptr->value;
934 goto found;
937 if (*ptr == '=')
939 /* Interpret rest of the argument as a dump filename. This
940 filename overrides other command line filenames. */
941 *filename = xstrdup (ptr + 1);
942 break;
944 else
946 warning (0, "unknown option %q.*s in %<-fopt-info-%s%>",
947 length, ptr, arg);
948 return 0;
950 found:;
951 ptr = end_ptr;
954 return 1;
957 /* Return non-zero if ARG is a recognized switch for
958 -fopt-info. Return zero otherwise. */
961 opt_info_switch_p (const char *arg)
963 dump_flags_t flags;
964 int optgroup_flags;
965 char *filename;
966 static char *file_seen = NULL;
967 gcc::dump_manager *dumps = g->get_dumps ();
969 if (!opt_info_switch_p_1 (arg, &flags, &optgroup_flags, &filename))
970 return 0;
972 if (!filename)
973 filename = xstrdup ("stderr");
975 /* Bail out if a different filename has been specified. */
976 if (file_seen && strcmp (file_seen, filename))
978 warning (0, "ignoring possibly conflicting option %<-fopt-info-%s%>",
979 arg);
980 return 1;
983 file_seen = xstrdup (filename);
984 if (!flags)
985 flags = MSG_OPTIMIZED_LOCATIONS;
986 if (!optgroup_flags)
987 optgroup_flags = OPTGROUP_ALL;
989 return dumps->opt_info_enable_passes (optgroup_flags, flags, filename);
992 /* Print basic block on the dump streams. */
994 void
995 dump_basic_block (int dump_kind, basic_block bb, int indent)
997 if (dump_file && (dump_kind & pflags))
998 dump_bb (dump_file, bb, indent, TDF_DETAILS);
999 if (alt_dump_file && (dump_kind & alt_flags))
1000 dump_bb (alt_dump_file, bb, indent, TDF_DETAILS);
1003 /* Dump FUNCTION_DECL FN as tree dump PHASE. */
1005 void
1006 dump_function (int phase, tree fn)
1008 FILE *stream;
1009 dump_flags_t flags;
1011 stream = dump_begin (phase, &flags);
1012 if (stream)
1014 dump_function_to_file (fn, stream, flags);
1015 dump_end (phase, stream);
1019 /* Print information from the combine pass on dump_file. */
1021 void
1022 print_combine_total_stats (void)
1024 if (dump_file)
1025 dump_combine_total_stats (dump_file);
1028 /* Enable RTL dump for all the RTL passes. */
1030 bool
1031 enable_rtl_dump_file (void)
1033 gcc::dump_manager *dumps = g->get_dumps ();
1034 int num_enabled =
1035 dumps->dump_enable_all (DK_rtl, dump_flags_t (TDF_DETAILS) | TDF_BLOCKS,
1036 NULL);
1037 return num_enabled > 0;