gcc/gimple-pretty-print.c

   1 /* Pretty formatting of GIMPLE statements and expressions.
   2    Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
   3    Free Software Foundation, Inc.
   4    Contributed by Aldy Hernandez <aldyh@redhat.com> and
   5    Diego Novillo <dnovillo@google.com>
   6
   7 This file is part of GCC.
   8
   9 GCC is free software; you can redistribute it and/or modify it under
  10 the terms of the GNU General Public License as published by the Free
  11 Software Foundation; either version 3, or (at your option) any later
  12 version.
  13
  14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  16 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  17 for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with GCC; see the file COPYING3.  If not see
  21 <http://www.gnu.org/licenses/>.  */
  22
  23 #include "config.h"
  24 #include "system.h"
  25 #include "coretypes.h"
  26 #include "tm.h"
  27 #include "tree.h"
  28 #include "diagnostic.h"
  29 #include "tree-pretty-print.h"
  30 #include "gimple-pretty-print.h"
  31 #include "hashtab.h"
  32 #include "tree-flow.h"
  33 #include "tree-pass.h"
  34 #include "gimple.h"
  35 #include "value-prof.h"
  36
  37 #define INDENT(SPACE)                                                   \
  38   do { int i; for (i = 0; i < SPACE; i++) pp_space (buffer); } while (0)
  39
  40 static pretty_printer buffer;
  41 static bool initialized = false;
  42
  43 #define GIMPLE_NIY do_niy (buffer,gs)
  44
  45 /* Try to print on BUFFER a default message for the unrecognized
  46    gimple statement GS.  */
  47
  48 static void
  49 do_niy (pretty_printer *buffer, gimple gs)
  50 {
  51   pp_printf (buffer, "<<< Unknown GIMPLE statement: %s >>>\n",
  52              gimple_code_name[(int) gimple_code (gs)]);
  53 }
  54
  55
  56 /* Initialize the pretty printer on FILE if needed.  */
  57
  58 static void
  59 maybe_init_pretty_print (FILE *file)
  60 {
  61   if (!initialized)
  62     {
  63       pp_construct (&buffer, NULL, 0);
  64       pp_needs_newline (&buffer) = true;
  65       initialized = true;
  66     }
  67
  68   buffer.buffer->stream = file;
  69 }
  70
  71
  72 /* Emit a newline and SPC indentantion spaces to BUFFER.  */
  73
  74 static void
  75 newline_and_indent (pretty_printer *buffer, int spc)
  76 {
  77   pp_newline (buffer);
  78   INDENT (spc);
  79 }
  80
  81
  82 /* Print the GIMPLE statement GS on stderr.  */
  83
  84 DEBUG_FUNCTION void
  85 debug_gimple_stmt (gimple gs)
  86 {
  87   print_gimple_stmt (stderr, gs, 0, TDF_VOPS|TDF_MEMSYMS);
  88   fprintf (stderr, "\n");
  89 }
  90
  91
  92 /* Dump GIMPLE statement G to FILE using SPC indentantion spaces and
  93    FLAGS as in dump_gimple_stmt.  */
  94
  95 void
  96 print_gimple_stmt (FILE *file, gimple g, int spc, int flags)
  97 {
  98   maybe_init_pretty_print (file);
  99   dump_gimple_stmt (&buffer, g, spc, flags);
 100   pp_flush (&buffer);
 101 }
 102
 103
 104 /* Dump GIMPLE statement G to FILE using SPC indentantion spaces and
 105    FLAGS as in dump_gimple_stmt.  Print only the right-hand side
 106    of the statement.  */
 107
 108 void
 109 print_gimple_expr (FILE *file, gimple g, int spc, int flags)
 110 {
 111   flags |= TDF_RHS_ONLY;
 112   maybe_init_pretty_print (file);
 113   dump_gimple_stmt (&buffer, g, spc, flags);
 114 }
 115
 116
 117 /* Print the GIMPLE sequence SEQ on BUFFER using SPC indentantion
 118    spaces and FLAGS as in dump_gimple_stmt.  */
 119
 120 static void
 121 dump_gimple_seq (pretty_printer *buffer, gimple_seq seq, int spc, int flags)
 122 {
 123   gimple_stmt_iterator i;
 124
 125   for (i = gsi_start (seq); !gsi_end_p (i); gsi_next (&i))
 126     {
 127       gimple gs = gsi_stmt (i);
 128       INDENT (spc);
 129       dump_gimple_stmt (buffer, gs, spc, flags);
 130       if (!gsi_one_before_end_p (i))
 131         pp_newline (buffer);
 132     }
 133 }
 134
 135
 136 /* Dump GIMPLE sequence SEQ to FILE using SPC indentantion spaces and
 137    FLAGS as in dump_gimple_stmt.  */
 138
 139 void
 140 print_gimple_seq (FILE *file, gimple_seq seq, int spc, int flags)
 141 {
 142   maybe_init_pretty_print (file);
 143   dump_gimple_seq (&buffer, seq, spc, flags);
 144   pp_flush (&buffer);
 145 }
 146
 147
 148 /* Print the GIMPLE sequence SEQ on stderr.  */
 149
 150 DEBUG_FUNCTION void
 151 debug_gimple_seq (gimple_seq seq)
 152 {
 153   print_gimple_seq (stderr, seq, 0, TDF_VOPS|TDF_MEMSYMS);
 154 }
 155
 156
 157 /* A simple helper to pretty-print some of the gimple tuples in the printf
 158    style. The format modifiers are preceeded by '%' and are:
 159      'G' - outputs a string corresponding to the code of the given gimple,
 160      'S' - outputs a gimple_seq with indent of spc + 2,
 161      'T' - outputs the tree t,
 162      'd' - outputs an int as a decimal,
 163      's' - outputs a string,
 164      'n' - outputs a newline,
 165      '+' - increases indent by 2 then outputs a newline,
 166      '-' - decreases indent by 2 then outputs a newline.   */
 167
 168 static void
 169 dump_gimple_fmt (pretty_printer *buffer, int spc, int flags,
 170                  const char *fmt, ...)
 171 {
 172   va_list args;
 173   const char *c;
 174   const char *tmp;
 175
 176   va_start (args, fmt);
 177   for (c = fmt; *c; c++)
 178     {
 179       if (*c == '%')
 180         {
 181           gimple_seq seq;
 182           tree t;
 183           gimple g;
 184           switch (*++c)
 185             {
 186               case 'G':
 187                 g = va_arg (args, gimple);
 188                 tmp = gimple_code_name[gimple_code (g)];
 189                 pp_string (buffer, tmp);
 190                 break;
 191
 192               case 'S':
 193                 seq = va_arg (args, gimple_seq);
 194                 pp_newline (buffer);
 195                 dump_gimple_seq (buffer, seq, spc + 2, flags);
 196                 newline_and_indent (buffer, spc);
 197                 break;
 198
 199               case 'T':
 200                 t = va_arg (args, tree);
 201                 if (t == NULL_TREE)
 202                   pp_string (buffer, "NULL");
 203                 else
 204                   dump_generic_node (buffer, t, spc, flags, false);
 205                 break;
 206
 207               case 'd':
 208                 pp_decimal_int (buffer, va_arg (args, int));
 209                 break;
 210
 211               case 's':
 212                 pp_string (buffer, va_arg (args, char *));
 213                 break;
 214
 215               case 'n':
 216                 newline_and_indent (buffer, spc);
 217                 break;
 218
 219               case '+':
 220                 spc += 2;
 221                 newline_and_indent (buffer, spc);
 222                 break;
 223
 224               case '-':
 225                 spc -= 2;
 226                 newline_and_indent (buffer, spc);
 227                 break;
 228
 229               default:
 230                 gcc_unreachable ();
 231             }
 232         }
 233       else
 234         pp_character (buffer, *c);
 235     }
 236   va_end (args);
 237 }
 238
 239
 240 /* Helper for dump_gimple_assign.  Print the unary RHS of the
 241    assignment GS.  BUFFER, SPC and FLAGS are as in dump_gimple_stmt.  */
 242
 243 static void
 244 dump_unary_rhs (pretty_printer *buffer, gimple gs, int spc, int flags)
 245 {
 246   enum tree_code rhs_code = gimple_assign_rhs_code (gs);
 247   tree lhs = gimple_assign_lhs (gs);
 248   tree rhs = gimple_assign_rhs1 (gs);
 249
 250   switch (rhs_code)
 251     {
 252     case VIEW_CONVERT_EXPR:
 253     case ASSERT_EXPR:
 254       dump_generic_node (buffer, rhs, spc, flags, false);
 255       break;
 256
 257     case FIXED_CONVERT_EXPR:
 258     case ADDR_SPACE_CONVERT_EXPR:
 259     case FIX_TRUNC_EXPR:
 260     case FLOAT_EXPR:
 261     CASE_CONVERT:
 262       pp_character (buffer, '(');
 263       dump_generic_node (buffer, TREE_TYPE (lhs), spc, flags, false);
 264       pp_string (buffer, ") ");
 265       if (op_prio (rhs) < op_code_prio (rhs_code))
 266         {
 267           pp_character (buffer, '(');
 268           dump_generic_node (buffer, rhs, spc, flags, false);
 269           pp_character (buffer, ')');
 270         }
 271       else
 272         dump_generic_node (buffer, rhs, spc, flags, false);
 273       break;
 274
 275     case PAREN_EXPR:
 276       pp_string (buffer, "((");
 277       dump_generic_node (buffer, rhs, spc, flags, false);
 278       pp_string (buffer, "))");
 279       break;
 280
 281     case ABS_EXPR:
 282       pp_string (buffer, "ABS_EXPR <");
 283       dump_generic_node (buffer, rhs, spc, flags, false);
 284       pp_character (buffer, '>');
 285       break;
 286
 287     default:
 288       if (TREE_CODE_CLASS (rhs_code) == tcc_declaration
 289           || TREE_CODE_CLASS (rhs_code) == tcc_constant
 290           || TREE_CODE_CLASS (rhs_code) == tcc_reference
 291           || rhs_code == SSA_NAME
 292           || rhs_code == ADDR_EXPR
 293           || rhs_code == CONSTRUCTOR)
 294         {
 295           dump_generic_node (buffer, rhs, spc, flags, false);
 296           break;
 297         }
 298       else if (rhs_code == BIT_NOT_EXPR)
 299         pp_character (buffer, '~');
 300       else if (rhs_code == TRUTH_NOT_EXPR)
 301         pp_character (buffer, '!');
 302       else if (rhs_code == NEGATE_EXPR)
 303         pp_character (buffer, '-');
 304       else
 305         {
 306           pp_character (buffer, '[');
 307           pp_string (buffer, tree_code_name [rhs_code]);
 308           pp_string (buffer, "] ");
 309         }
 310
 311       if (op_prio (rhs) < op_code_prio (rhs_code))
 312         {
 313           pp_character (buffer, '(');
 314           dump_generic_node (buffer, rhs, spc, flags, false);
 315           pp_character (buffer, ')');
 316         }
 317       else
 318         dump_generic_node (buffer, rhs, spc, flags, false);
 319       break;
 320     }
 321 }
 322
 323
 324 /* Helper for dump_gimple_assign.  Print the binary RHS of the
 325    assignment GS.  BUFFER, SPC and FLAGS are as in dump_gimple_stmt.  */
 326
 327 static void
 328 dump_binary_rhs (pretty_printer *buffer, gimple gs, int spc, int flags)
 329 {
 330   const char *p;
 331   enum tree_code code = gimple_assign_rhs_code (gs);
 332   switch (code)
 333     {
 334     case COMPLEX_EXPR:
 335     case MIN_EXPR:
 336     case MAX_EXPR:
 337     case VEC_WIDEN_MULT_HI_EXPR:
 338     case VEC_WIDEN_MULT_LO_EXPR:
 339     case VEC_PACK_TRUNC_EXPR:
 340     case VEC_PACK_SAT_EXPR:
 341     case VEC_PACK_FIX_TRUNC_EXPR:
 342     case VEC_EXTRACT_EVEN_EXPR:
 343     case VEC_EXTRACT_ODD_EXPR:
 344     case VEC_INTERLEAVE_HIGH_EXPR:
 345     case VEC_INTERLEAVE_LOW_EXPR:
 346       for (p = tree_code_name [(int) code]; *p; p++)
 347         pp_character (buffer, TOUPPER (*p));
 348       pp_string (buffer, " <");
 349       dump_generic_node (buffer, gimple_assign_rhs1 (gs), spc, flags, false);
 350       pp_string (buffer, ", ");
 351       dump_generic_node (buffer, gimple_assign_rhs2 (gs), spc, flags, false);
 352       pp_character (buffer, '>');
 353       break;
 354
 355     default:
 356       if (op_prio (gimple_assign_rhs1 (gs)) <= op_code_prio (code))
 357         {
 358           pp_character (buffer, '(');
 359           dump_generic_node (buffer, gimple_assign_rhs1 (gs), spc, flags,
 360                              false);
 361           pp_character (buffer, ')');
 362         }
 363       else
 364         dump_generic_node (buffer, gimple_assign_rhs1 (gs), spc, flags, false);
 365       pp_space (buffer);
 366       pp_string (buffer, op_symbol_code (gimple_assign_rhs_code (gs)));
 367       pp_space (buffer);
 368       if (op_prio (gimple_assign_rhs2 (gs)) <= op_code_prio (code))
 369         {
 370           pp_character (buffer, '(');
 371           dump_generic_node (buffer, gimple_assign_rhs2 (gs), spc, flags,
 372                              false);
 373           pp_character (buffer, ')');
 374         }
 375       else
 376         dump_generic_node (buffer, gimple_assign_rhs2 (gs), spc, flags, false);
 377     }
 378 }
 379
 380 /* Helper for dump_gimple_assign.  Print the ternary RHS of the
 381    assignment GS.  BUFFER, SPC and FLAGS are as in dump_gimple_stmt.  */
 382
 383 static void
 384 dump_ternary_rhs (pretty_printer *buffer, gimple gs, int spc, int flags)
 385 {
 386   const char *p;
 387   enum tree_code code = gimple_assign_rhs_code (gs);
 388   switch (code)
 389     {
 390     case WIDEN_MULT_PLUS_EXPR:
 391     case WIDEN_MULT_MINUS_EXPR:
 392       for (p = tree_code_name [(int) code]; *p; p++)
 393         pp_character (buffer, TOUPPER (*p));
 394       pp_string (buffer, " <");
 395       dump_generic_node (buffer, gimple_assign_rhs1 (gs), spc, flags, false);
 396       pp_string (buffer, ", ");
 397       dump_generic_node (buffer, gimple_assign_rhs2 (gs), spc, flags, false);
 398       pp_string (buffer, ", ");
 399       dump_generic_node (buffer, gimple_assign_rhs3 (gs), spc, flags, false);
 400       pp_character (buffer, '>');
 401       break;
 402
 403     default:
 404       gcc_unreachable ();
 405     }
 406 }
 407
 408
 409 /* Dump the gimple assignment GS.  BUFFER, SPC and FLAGS are as in
 410    dump_gimple_stmt.  */
 411
 412 static void
 413 dump_gimple_assign (pretty_printer *buffer, gimple gs, int spc, int flags)
 414 {
 415   if (flags & TDF_RAW)
 416     {
 417       tree last;
 418       if (gimple_num_ops (gs) == 2)
 419         last = NULL_TREE;
 420       else if (gimple_num_ops (gs) == 3)
 421         last = gimple_assign_rhs2 (gs);
 422       else
 423         gcc_unreachable ();
 424
 425       dump_gimple_fmt (buffer, spc, flags, "%G <%s, %T, %T, %T>", gs,
 426                        tree_code_name[gimple_assign_rhs_code (gs)],
 427                        gimple_assign_lhs (gs), gimple_assign_rhs1 (gs), last);
 428     }
 429   else
 430     {
 431       if (!(flags & TDF_RHS_ONLY))
 432         {
 433           dump_generic_node (buffer, gimple_assign_lhs (gs), spc, flags, false);
 434           pp_space (buffer);
 435           pp_character (buffer, '=');
 436
 437           if (gimple_assign_nontemporal_move_p (gs))
 438             pp_string (buffer, "{nt}");
 439
 440           if (gimple_has_volatile_ops (gs))
 441             pp_string (buffer, "{v}");
 442
 443           pp_space (buffer);
 444         }
 445
 446       if (gimple_num_ops (gs) == 2)
 447         dump_unary_rhs (buffer, gs, spc, flags);
 448       else if (gimple_num_ops (gs) == 3)
 449         dump_binary_rhs (buffer, gs, spc, flags);
 450       else if (gimple_num_ops (gs) == 4)
 451         dump_ternary_rhs (buffer, gs, spc, flags);
 452       else
 453         gcc_unreachable ();
 454       if (!(flags & TDF_RHS_ONLY))
 455         pp_semicolon(buffer);
 456     }
 457 }
 458
 459
 460 /* Dump the return statement GS.  BUFFER, SPC and FLAGS are as in
 461    dump_gimple_stmt.  */
 462
 463 static void
 464 dump_gimple_return (pretty_printer *buffer, gimple gs, int spc, int flags)
 465 {
 466   tree t;
 467
 468   t = gimple_return_retval (gs);
 469   if (flags & TDF_RAW)
 470     dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs, t);
 471   else
 472     {
 473       pp_string (buffer, "return");
 474       if (t)
 475         {
 476           pp_space (buffer);
 477           dump_generic_node (buffer, t, spc, flags, false);
 478         }
 479       pp_semicolon (buffer);
 480     }
 481 }
 482
 483
 484 /* Dump the call arguments for a gimple call. BUFFER, FLAGS are as in
 485    dump_gimple_call.  */
 486
 487 static void
 488 dump_gimple_call_args (pretty_printer *buffer, gimple gs, int flags)
 489 {
 490   size_t i;
 491
 492   for (i = 0; i < gimple_call_num_args (gs); i++)
 493     {
 494       dump_generic_node (buffer, gimple_call_arg (gs, i), 0, flags, false);
 495       if (i < gimple_call_num_args (gs) - 1)
 496         pp_string (buffer, ", ");
 497     }
 498
 499   if (gimple_call_va_arg_pack_p (gs))
 500     {
 501       if (gimple_call_num_args (gs) > 0)
 502         {
 503           pp_character (buffer, ',');
 504           pp_space (buffer);
 505         }
 506
 507       pp_string (buffer, "__builtin_va_arg_pack ()");
 508     }
 509 }
 510
 511 /* Dump the points-to solution *PT to BUFFER.  */
 512
 513 static void
 514 pp_points_to_solution (pretty_printer *buffer, struct pt_solution *pt)
 515 {
 516   if (pt->anything)
 517     {
 518       pp_string (buffer, "anything ");
 519       return;
 520     }
 521   if (pt->nonlocal)
 522     pp_string (buffer, "nonlocal ");
 523   if (pt->escaped)
 524     pp_string (buffer, "escaped ");
 525   if (pt->ipa_escaped)
 526     pp_string (buffer, "unit-escaped ");
 527   if (pt->null)
 528     pp_string (buffer, "null ");
 529   if (pt->vars
 530       && !bitmap_empty_p (pt->vars))
 531     {
 532       bitmap_iterator bi;
 533       unsigned i;
 534       pp_string (buffer, "{ ");
 535       EXECUTE_IF_SET_IN_BITMAP (pt->vars, 0, i, bi)
 536         {
 537           struct tree_decl_minimal in;
 538           tree var;
 539           in.uid = i;
 540           var = (tree) htab_find_with_hash (gimple_referenced_vars (cfun),
 541                                             &in, i);
 542           if (var)
 543             {
 544               dump_generic_node (buffer, var, 0, dump_flags, false);
 545               if (DECL_PT_UID (var) != DECL_UID (var))
 546                 {
 547                   pp_string (buffer, "ptD.");
 548                   pp_decimal_int (buffer, DECL_PT_UID (var));
 549                 }
 550             }
 551           else
 552             {
 553               pp_string (buffer, "D.");
 554               pp_decimal_int (buffer, i);
 555             }
 556           pp_character (buffer, ' ');
 557         }
 558       pp_character (buffer, '}');
 559       if (pt->vars_contains_global)
 560         pp_string (buffer, " (glob)");
 561       if (pt->vars_contains_restrict)
 562         pp_string (buffer, " (restr)");
 563     }
 564 }
 565
 566 /* Dump the call statement GS.  BUFFER, SPC and FLAGS are as in
 567    dump_gimple_stmt.  */
 568
 569 static void
 570 dump_gimple_call (pretty_printer *buffer, gimple gs, int spc, int flags)
 571 {
 572   tree lhs = gimple_call_lhs (gs);
 573
 574   if (flags & TDF_ALIAS)
 575     {
 576       struct pt_solution *pt;
 577       pt = gimple_call_use_set (gs);
 578       if (!pt_solution_empty_p (pt))
 579         {
 580           pp_string (buffer, "# USE = ");
 581           pp_points_to_solution (buffer, pt);
 582           newline_and_indent (buffer, spc);
 583         }
 584       pt = gimple_call_clobber_set (gs);
 585       if (!pt_solution_empty_p (pt))
 586         {
 587           pp_string (buffer, "# CLB = ");
 588           pp_points_to_solution (buffer, pt);
 589           newline_and_indent (buffer, spc);
 590         }
 591     }
 592
 593   if (flags & TDF_RAW)
 594     {
 595       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T",
 596                      gs, gimple_call_fn (gs), lhs);
 597       if (gimple_call_num_args (gs) > 0)
 598         {
 599           pp_string (buffer, ", ");
 600           dump_gimple_call_args (buffer, gs, flags);
 601         }
 602       pp_character (buffer, '>');
 603     }
 604   else
 605     {
 606       if (lhs && !(flags & TDF_RHS_ONLY))
 607         {
 608           dump_generic_node (buffer, lhs, spc, flags, false);
 609           pp_string (buffer, " =");
 610
 611           if (gimple_has_volatile_ops (gs))
 612             pp_string (buffer, "{v}");
 613
 614           pp_space (buffer);
 615         }
 616       print_call_name (buffer, gimple_call_fn (gs), flags);
 617       pp_string (buffer, " (");
 618       dump_gimple_call_args (buffer, gs, flags);
 619       pp_character (buffer, ')');
 620       if (!(flags & TDF_RHS_ONLY))
 621         pp_semicolon (buffer);
 622     }
 623
 624   if (gimple_call_chain (gs))
 625     {
 626       pp_string (buffer, " [static-chain: ");
 627       dump_generic_node (buffer, gimple_call_chain (gs), spc, flags, false);
 628       pp_character (buffer, ']');
 629     }
 630
 631   if (gimple_call_return_slot_opt_p (gs))
 632     pp_string (buffer, " [return slot optimization]");
 633
 634   if (gimple_call_tail_p (gs))
 635     pp_string (buffer, " [tail call]");
 636 }
 637
 638
 639 /* Dump the switch statement GS.  BUFFER, SPC and FLAGS are as in
 640    dump_gimple_stmt.  */
 641
 642 static void
 643 dump_gimple_switch (pretty_printer *buffer, gimple gs, int spc, int flags)
 644 {
 645   unsigned int i;
 646
 647   GIMPLE_CHECK (gs, GIMPLE_SWITCH);
 648   if (flags & TDF_RAW)
 649     dump_gimple_fmt (buffer, spc, flags, "%G <%T, ", gs,
 650                    gimple_switch_index (gs));
 651   else
 652     {
 653       pp_string (buffer, "switch (");
 654       dump_generic_node (buffer, gimple_switch_index (gs), spc, flags, true);
 655       pp_string (buffer, ") <");
 656     }
 657
 658   for (i = 0; i < gimple_switch_num_labels (gs); i++)
 659     {
 660       tree case_label = gimple_switch_label (gs, i);
 661       if (case_label == NULL_TREE)
 662         continue;
 663
 664       dump_generic_node (buffer, case_label, spc, flags, false);
 665       pp_character (buffer, ' ');
 666       dump_generic_node (buffer, CASE_LABEL (case_label), spc, flags, false);
 667       if (i < gimple_switch_num_labels (gs) - 1)
 668         pp_string (buffer, ", ");
 669     }
 670   pp_character (buffer, '>');
 671 }
 672
 673
 674 /* Dump the gimple conditional GS.  BUFFER, SPC and FLAGS are as in
 675    dump_gimple_stmt.  */
 676
 677 static void
 678 dump_gimple_cond (pretty_printer *buffer, gimple gs, int spc, int flags)
 679 {
 680   if (flags & TDF_RAW)
 681     dump_gimple_fmt (buffer, spc, flags, "%G <%s, %T, %T, %T, %T>", gs,
 682                    tree_code_name [gimple_cond_code (gs)],
 683                    gimple_cond_lhs (gs), gimple_cond_rhs (gs),
 684                    gimple_cond_true_label (gs), gimple_cond_false_label (gs));
 685   else
 686     {
 687       if (!(flags & TDF_RHS_ONLY))
 688         pp_string (buffer, "if (");
 689       dump_generic_node (buffer, gimple_cond_lhs (gs), spc, flags, false);
 690       pp_space (buffer);
 691       pp_string (buffer, op_symbol_code (gimple_cond_code (gs)));
 692       pp_space (buffer);
 693       dump_generic_node (buffer, gimple_cond_rhs (gs), spc, flags, false);
 694       if (!(flags & TDF_RHS_ONLY))
 695         {
 696           pp_character (buffer, ')');
 697
 698           if (gimple_cond_true_label (gs))
 699             {
 700               pp_string (buffer, " goto ");
 701               dump_generic_node (buffer, gimple_cond_true_label (gs),
 702                                  spc, flags, false);
 703               pp_semicolon (buffer);
 704             }
 705           if (gimple_cond_false_label (gs))
 706             {
 707               pp_string (buffer, " else goto ");
 708               dump_generic_node (buffer, gimple_cond_false_label (gs),
 709                                  spc, flags, false);
 710               pp_semicolon (buffer);
 711             }
 712         }
 713     }
 714 }
 715
 716
 717 /* Dump a GIMPLE_LABEL tuple on the pretty_printer BUFFER, SPC
 718    spaces of indent.  FLAGS specifies details to show in the dump (see
 719    TDF_* in tree-pass.h).  */
 720
 721 static void
 722 dump_gimple_label (pretty_printer *buffer, gimple gs, int spc, int flags)
 723 {
 724   tree label = gimple_label_label (gs);
 725   if (flags & TDF_RAW)
 726       dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs, label);
 727   else
 728     {
 729       dump_generic_node (buffer, label, spc, flags, false);
 730       pp_character (buffer, ':');
 731     }
 732   if (DECL_NONLOCAL (label))
 733     pp_string (buffer, " [non-local]");
 734   if ((flags & TDF_EH) && EH_LANDING_PAD_NR (label))
 735     pp_printf (buffer, " [LP %d]", EH_LANDING_PAD_NR (label));
 736 }
 737
 738 /* Dump a GIMPLE_GOTO tuple on the pretty_printer BUFFER, SPC
 739    spaces of indent.  FLAGS specifies details to show in the dump (see
 740    TDF_* in tree-pass.h).  */
 741
 742 static void
 743 dump_gimple_goto (pretty_printer *buffer, gimple gs, int spc, int flags)
 744 {
 745   tree label = gimple_goto_dest (gs);
 746   if (flags & TDF_RAW)
 747     dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs, label);
 748   else
 749     dump_gimple_fmt (buffer, spc, flags, "goto %T;", label);
 750 }
 751
 752
 753 /* Dump a GIMPLE_BIND tuple on the pretty_printer BUFFER, SPC
 754    spaces of indent.  FLAGS specifies details to show in the dump (see
 755    TDF_* in tree-pass.h).  */
 756
 757 static void
 758 dump_gimple_bind (pretty_printer *buffer, gimple gs, int spc, int flags)
 759 {
 760   if (flags & TDF_RAW)
 761     dump_gimple_fmt (buffer, spc, flags, "%G <", gs);
 762   else
 763     pp_character (buffer, '{');
 764   if (!(flags & TDF_SLIM))
 765     {
 766       tree var;
 767
 768       for (var = gimple_bind_vars (gs); var; var = TREE_CHAIN (var))
 769         {
 770           newline_and_indent (buffer, 2);
 771           print_declaration (buffer, var, spc, flags);
 772         }
 773       if (gimple_bind_vars (gs))
 774         pp_newline (buffer);
 775     }
 776   pp_newline (buffer);
 777   dump_gimple_seq (buffer, gimple_bind_body (gs), spc + 2, flags);
 778   newline_and_indent (buffer, spc);
 779   if (flags & TDF_RAW)
 780     pp_character (buffer, '>');
 781   else
 782     pp_character (buffer, '}');
 783 }
 784
 785
 786 /* Dump a GIMPLE_TRY tuple on the pretty_printer BUFFER, SPC spaces of
 787    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 788    tree-pass.h).  */
 789
 790 static void
 791 dump_gimple_try (pretty_printer *buffer, gimple gs, int spc, int flags)
 792 {
 793   if (flags & TDF_RAW)
 794     {
 795       const char *type;
 796       if (gimple_try_kind (gs) == GIMPLE_TRY_CATCH)
 797         type = "GIMPLE_TRY_CATCH";
 798       else if (gimple_try_kind (gs) == GIMPLE_TRY_FINALLY)
 799         type = "GIMPLE_TRY_FINALLY";
 800       else
 801         type = "UNKNOWN GIMPLE_TRY";
 802       dump_gimple_fmt (buffer, spc, flags,
 803                        "%G <%s,%+EVAL <%S>%nCLEANUP <%S>%->", gs, type,
 804                        gimple_try_eval (gs), gimple_try_cleanup (gs));
 805     }
 806   else
 807     {
 808       pp_string (buffer, "try");
 809       newline_and_indent (buffer, spc + 2);
 810       pp_character (buffer, '{');
 811       pp_newline (buffer);
 812
 813       dump_gimple_seq (buffer, gimple_try_eval (gs), spc + 4, flags);
 814       newline_and_indent (buffer, spc + 2);
 815       pp_character (buffer, '}');
 816
 817       if (gimple_try_kind (gs) == GIMPLE_TRY_CATCH)
 818         {
 819           newline_and_indent (buffer, spc);
 820           pp_string (buffer, "catch");
 821           newline_and_indent (buffer, spc + 2);
 822           pp_character (buffer, '{');
 823         }
 824       else if (gimple_try_kind (gs) == GIMPLE_TRY_FINALLY)
 825         {
 826           newline_and_indent (buffer, spc);
 827           pp_string (buffer, "finally");
 828           newline_and_indent (buffer, spc + 2);
 829           pp_character (buffer, '{');
 830         }
 831       else
 832         pp_string (buffer, " <UNKNOWN GIMPLE_TRY> {");
 833
 834       pp_newline (buffer);
 835       dump_gimple_seq (buffer, gimple_try_cleanup (gs), spc + 4, flags);
 836       newline_and_indent (buffer, spc + 2);
 837       pp_character (buffer, '}');
 838     }
 839 }
 840
 841
 842 /* Dump a GIMPLE_CATCH tuple on the pretty_printer BUFFER, SPC spaces of
 843    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 844    tree-pass.h).  */
 845
 846 static void
 847 dump_gimple_catch (pretty_printer *buffer, gimple gs, int spc, int flags)
 848 {
 849   if (flags & TDF_RAW)
 850       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %+CATCH <%S>%->", gs,
 851                        gimple_catch_types (gs), gimple_catch_handler (gs));
 852   else
 853       dump_gimple_fmt (buffer, spc, flags, "catch (%T)%+{%S}",
 854                        gimple_catch_types (gs), gimple_catch_handler (gs));
 855 }
 856
 857
 858 /* Dump a GIMPLE_EH_FILTER tuple on the pretty_printer BUFFER, SPC spaces of
 859    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 860    tree-pass.h).  */
 861
 862 static void
 863 dump_gimple_eh_filter (pretty_printer *buffer, gimple gs, int spc, int flags)
 864 {
 865   if (flags & TDF_RAW)
 866     dump_gimple_fmt (buffer, spc, flags, "%G <%T, %+FAILURE <%S>%->", gs,
 867                      gimple_eh_filter_types (gs),
 868                      gimple_eh_filter_failure (gs));
 869   else
 870     dump_gimple_fmt (buffer, spc, flags, "<<<eh_filter (%T)>>>%+{%+%S%-}",
 871                      gimple_eh_filter_types (gs),
 872                      gimple_eh_filter_failure (gs));
 873 }
 874
 875
 876 /* Dump a GIMPLE_EH_MUST_NOT_THROW tuple.  */
 877
 878 static void
 879 dump_gimple_eh_must_not_throw (pretty_printer *buffer, gimple gs,
 880                                int spc, int flags)
 881 {
 882   if (flags & TDF_RAW)
 883     dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs,
 884                      gimple_eh_must_not_throw_fndecl (gs));
 885   else
 886     dump_gimple_fmt (buffer, spc, flags, "<<<eh_must_not_throw (%T)>>>",
 887                      gimple_eh_must_not_throw_fndecl (gs));
 888 }
 889
 890
 891 /* Dump a GIMPLE_RESX tuple on the pretty_printer BUFFER, SPC spaces of
 892    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 893    tree-pass.h).  */
 894
 895 static void
 896 dump_gimple_resx (pretty_printer *buffer, gimple gs, int spc, int flags)
 897 {
 898   if (flags & TDF_RAW)
 899     dump_gimple_fmt (buffer, spc, flags, "%G <%d>", gs,
 900                      gimple_resx_region (gs));
 901   else
 902     dump_gimple_fmt (buffer, spc, flags, "resx %d", gimple_resx_region (gs));
 903 }
 904
 905 /* Dump a GIMPLE_EH_DISPATCH tuple on the pretty_printer BUFFER.  */
 906
 907 static void
 908 dump_gimple_eh_dispatch (pretty_printer *buffer, gimple gs, int spc, int flags)
 909 {
 910   if (flags & TDF_RAW)
 911     dump_gimple_fmt (buffer, spc, flags, "%G <%d>", gs,
 912                      gimple_eh_dispatch_region (gs));
 913   else
 914     dump_gimple_fmt (buffer, spc, flags, "eh_dispatch %d",
 915                      gimple_eh_dispatch_region (gs));
 916 }
 917
 918 /* Dump a GIMPLE_DEBUG tuple on the pretty_printer BUFFER, SPC spaces
 919    of indent.  FLAGS specifies details to show in the dump (see TDF_*
 920    in tree-pass.h).  */
 921
 922 static void
 923 dump_gimple_debug (pretty_printer *buffer, gimple gs, int spc, int flags)
 924 {
 925   switch (gs->gsbase.subcode)
 926     {
 927     case GIMPLE_DEBUG_BIND:
 928       if (flags & TDF_RAW)
 929         dump_gimple_fmt (buffer, spc, flags, "%G BIND <%T, %T>", gs,
 930                          gimple_debug_bind_get_var (gs),
 931                          gimple_debug_bind_get_value (gs));
 932       else
 933         dump_gimple_fmt (buffer, spc, flags, "# DEBUG %T => %T",
 934                          gimple_debug_bind_get_var (gs),
 935                          gimple_debug_bind_get_value (gs));
 936       break;
 937
 938     default:
 939       gcc_unreachable ();
 940     }
 941 }
 942
 943 /* Dump a GIMPLE_OMP_FOR tuple on the pretty_printer BUFFER.  */
 944 static void
 945 dump_gimple_omp_for (pretty_printer *buffer, gimple gs, int spc, int flags)
 946 {
 947   size_t i;
 948
 949   if (flags & TDF_RAW)
 950     {
 951       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
 952                        gimple_omp_body (gs));
 953       dump_omp_clauses (buffer, gimple_omp_for_clauses (gs), spc, flags);
 954       dump_gimple_fmt (buffer, spc, flags, " >,");
 955       for (i = 0; i < gimple_omp_for_collapse (gs); i++)
 956         dump_gimple_fmt (buffer, spc, flags,
 957                          "%+%T, %T, %T, %s, %T,%n",
 958                          gimple_omp_for_index (gs, i),
 959                          gimple_omp_for_initial (gs, i),
 960                          gimple_omp_for_final (gs, i),
 961                          tree_code_name[gimple_omp_for_cond (gs, i)],
 962                          gimple_omp_for_incr (gs, i));
 963       dump_gimple_fmt (buffer, spc, flags, "PRE_BODY <%S>%->",
 964                        gimple_omp_for_pre_body (gs));
 965     }
 966   else
 967     {
 968       pp_string (buffer, "#pragma omp for");
 969       dump_omp_clauses (buffer, gimple_omp_for_clauses (gs), spc, flags);
 970       for (i = 0; i < gimple_omp_for_collapse (gs); i++)
 971         {
 972           if (i)
 973             spc += 2;
 974           newline_and_indent (buffer, spc);
 975           pp_string (buffer, "for (");
 976           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
 977                              flags, false);
 978           pp_string (buffer, " = ");
 979           dump_generic_node (buffer, gimple_omp_for_initial (gs, i), spc,
 980                              flags, false);
 981           pp_string (buffer, "; ");
 982
 983           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
 984                              flags, false);
 985           pp_space (buffer);
 986           switch (gimple_omp_for_cond (gs, i))
 987             {
 988             case LT_EXPR:
 989               pp_character (buffer, '<');
 990               break;
 991             case GT_EXPR:
 992               pp_character (buffer, '>');
 993               break;
 994             case LE_EXPR:
 995               pp_string (buffer, "<=");
 996               break;
 997             case GE_EXPR:
 998               pp_string (buffer, ">=");
 999               break;
1000             default:
1001               gcc_unreachable ();
1002             }
1003           pp_space (buffer);
1004           dump_generic_node (buffer, gimple_omp_for_final (gs, i), spc,
1005                              flags, false);
1006           pp_string (buffer, "; ");
1007
1008           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
1009                              flags, false);
1010           pp_string (buffer, " = ");
1011           dump_generic_node (buffer, gimple_omp_for_incr (gs, i), spc,
1012                              flags, false);
1013           pp_character (buffer, ')');
1014         }
1015
1016       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1017         {
1018           newline_and_indent (buffer, spc + 2);
1019           pp_character (buffer, '{');
1020           pp_newline (buffer);
1021           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1022           newline_and_indent (buffer, spc + 2);
1023           pp_character (buffer, '}');
1024         }
1025     }
1026 }
1027
1028 /* Dump a GIMPLE_OMP_CONTINUE tuple on the pretty_printer BUFFER.  */
1029
1030 static void
1031 dump_gimple_omp_continue (pretty_printer *buffer, gimple gs, int spc, int flags)
1032 {
1033   if (flags & TDF_RAW)
1034     {
1035       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T>", gs,
1036                        gimple_omp_continue_control_def (gs),
1037                        gimple_omp_continue_control_use (gs));
1038     }
1039   else
1040     {
1041       pp_string (buffer, "#pragma omp continue (");
1042       dump_generic_node (buffer, gimple_omp_continue_control_def (gs),
1043                          spc, flags, false);
1044       pp_character (buffer, ',');
1045       pp_space (buffer);
1046       dump_generic_node (buffer, gimple_omp_continue_control_use (gs),
1047                          spc, flags, false);
1048       pp_character (buffer, ')');
1049     }
1050 }
1051
1052 /* Dump a GIMPLE_OMP_SINGLE tuple on the pretty_printer BUFFER.  */
1053
1054 static void
1055 dump_gimple_omp_single (pretty_printer *buffer, gimple gs, int spc, int flags)
1056 {
1057   if (flags & TDF_RAW)
1058     {
1059       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1060                        gimple_omp_body (gs));
1061       dump_omp_clauses (buffer, gimple_omp_single_clauses (gs), spc, flags);
1062       dump_gimple_fmt (buffer, spc, flags, " >");
1063     }
1064   else
1065     {
1066       pp_string (buffer, "#pragma omp single");
1067       dump_omp_clauses (buffer, gimple_omp_single_clauses (gs), spc, flags);
1068       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1069         {
1070           newline_and_indent (buffer, spc + 2);
1071           pp_character (buffer, '{');
1072           pp_newline (buffer);
1073           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1074           newline_and_indent (buffer, spc + 2);
1075           pp_character (buffer, '}');
1076         }
1077     }
1078 }
1079
1080 /* Dump a GIMPLE_OMP_SECTIONS tuple on the pretty_printer BUFFER.  */
1081
1082 static void
1083 dump_gimple_omp_sections (pretty_printer *buffer, gimple gs, int spc,
1084                           int flags)
1085 {
1086   if (flags & TDF_RAW)
1087     {
1088       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1089                        gimple_omp_body (gs));
1090       dump_omp_clauses (buffer, gimple_omp_sections_clauses (gs), spc, flags);
1091       dump_gimple_fmt (buffer, spc, flags, " >");
1092     }
1093   else
1094     {
1095       pp_string (buffer, "#pragma omp sections");
1096       if (gimple_omp_sections_control (gs))
1097         {
1098           pp_string (buffer, " <");
1099           dump_generic_node (buffer, gimple_omp_sections_control (gs), spc,
1100                              flags, false);
1101           pp_character (buffer, '>');
1102         }
1103       dump_omp_clauses (buffer, gimple_omp_sections_clauses (gs), spc, flags);
1104       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1105         {
1106           newline_and_indent (buffer, spc + 2);
1107           pp_character (buffer, '{');
1108           pp_newline (buffer);
1109           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1110           newline_and_indent (buffer, spc + 2);
1111           pp_character (buffer, '}');
1112         }
1113     }
1114 }
1115
1116 /* Dump a GIMPLE_OMP_{MASTER,ORDERED,SECTION} tuple on the pretty_printer
1117    BUFFER.  */
1118
1119 static void
1120 dump_gimple_omp_block (pretty_printer *buffer, gimple gs, int spc, int flags)
1121 {
1122   if (flags & TDF_RAW)
1123     dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S> >", gs,
1124                      gimple_omp_body (gs));
1125   else
1126     {
1127       switch (gimple_code (gs))
1128         {
1129         case GIMPLE_OMP_MASTER:
1130           pp_string (buffer, "#pragma omp master");
1131           break;
1132         case GIMPLE_OMP_ORDERED:
1133           pp_string (buffer, "#pragma omp ordered");
1134           break;
1135         case GIMPLE_OMP_SECTION:
1136           pp_string (buffer, "#pragma omp section");
1137           break;
1138         default:
1139           gcc_unreachable ();
1140         }
1141       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1142         {
1143           newline_and_indent (buffer, spc + 2);
1144           pp_character (buffer, '{');
1145           pp_newline (buffer);
1146           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1147           newline_and_indent (buffer, spc + 2);
1148           pp_character (buffer, '}');
1149         }
1150     }
1151 }
1152
1153 /* Dump a GIMPLE_OMP_CRITICAL tuple on the pretty_printer BUFFER.  */
1154
1155 static void
1156 dump_gimple_omp_critical (pretty_printer *buffer, gimple gs, int spc,
1157                           int flags)
1158 {
1159   if (flags & TDF_RAW)
1160     dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S> >", gs,
1161                      gimple_omp_body (gs));
1162   else
1163     {
1164       pp_string (buffer, "#pragma omp critical");
1165       if (gimple_omp_critical_name (gs))
1166         {
1167           pp_string (buffer, " (");
1168           dump_generic_node (buffer, gimple_omp_critical_name (gs), spc,
1169                              flags, false);
1170           pp_character (buffer, ')');
1171         }
1172       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1173         {
1174           newline_and_indent (buffer, spc + 2);
1175           pp_character (buffer, '{');
1176           pp_newline (buffer);
1177           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1178           newline_and_indent (buffer, spc + 2);
1179           pp_character (buffer, '}');
1180         }
1181     }
1182 }
1183
1184 /* Dump a GIMPLE_OMP_RETURN tuple on the pretty_printer BUFFER.  */
1185
1186 static void
1187 dump_gimple_omp_return (pretty_printer *buffer, gimple gs, int spc, int flags)
1188 {
1189   if (flags & TDF_RAW)
1190     {
1191       dump_gimple_fmt (buffer, spc, flags, "%G <nowait=%d>", gs,
1192                        (int) gimple_omp_return_nowait_p (gs));
1193     }
1194   else
1195     {
1196       pp_string (buffer, "#pragma omp return");
1197       if (gimple_omp_return_nowait_p (gs))
1198         pp_string (buffer, "(nowait)");
1199     }
1200 }
1201
1202 /* Dump a GIMPLE_ASM tuple on the pretty_printer BUFFER, SPC spaces of
1203    indent.  FLAGS specifies details to show in the dump (see TDF_* in
1204    tree-pass.h).  */
1205
1206 static void
1207 dump_gimple_asm (pretty_printer *buffer, gimple gs, int spc, int flags)
1208 {
1209   unsigned int i, n, f, fields;
1210
1211   if (flags & TDF_RAW)
1212     {
1213       dump_gimple_fmt (buffer, spc, flags, "%G <%+STRING <%n%s%n>", gs,
1214                        gimple_asm_string (gs));
1215
1216       n = gimple_asm_noutputs (gs);
1217       if (n)
1218         {
1219           newline_and_indent (buffer, spc + 2);
1220           pp_string (buffer, "OUTPUT: ");
1221           for (i = 0; i < n; i++)
1222             {
1223               dump_generic_node (buffer, gimple_asm_output_op (gs, i),
1224                                  spc, flags, false);
1225               if (i < n - 1)
1226                 pp_string (buffer, ", ");
1227             }
1228         }
1229
1230       n = gimple_asm_ninputs (gs);
1231       if (n)
1232         {
1233           newline_and_indent (buffer, spc + 2);
1234           pp_string (buffer, "INPUT: ");
1235           for (i = 0; i < n; i++)
1236             {
1237               dump_generic_node (buffer, gimple_asm_input_op (gs, i),
1238                                  spc, flags, false);
1239               if (i < n - 1)
1240                 pp_string (buffer, ", ");
1241             }
1242         }
1243
1244       n = gimple_asm_nclobbers (gs);
1245       if (n)
1246         {
1247           newline_and_indent (buffer, spc + 2);
1248           pp_string (buffer, "CLOBBER: ");
1249           for (i = 0; i < n; i++)
1250             {
1251               dump_generic_node (buffer, gimple_asm_clobber_op (gs, i),
1252                                  spc, flags, false);
1253               if (i < n - 1)
1254                 pp_string (buffer, ", ");
1255             }
1256         }
1257
1258       n = gimple_asm_nlabels (gs);
1259       if (n)
1260         {
1261           newline_and_indent (buffer, spc + 2);
1262           pp_string (buffer, "LABEL: ");
1263           for (i = 0; i < n; i++)
1264             {
1265               dump_generic_node (buffer, gimple_asm_label_op (gs, i),
1266                                  spc, flags, false);
1267               if (i < n - 1)
1268                 pp_string (buffer, ", ");
1269             }
1270         }
1271
1272       newline_and_indent (buffer, spc);
1273       pp_character (buffer, '>');
1274     }
1275   else
1276     {
1277       pp_string (buffer, "__asm__");
1278       if (gimple_asm_volatile_p (gs))
1279         pp_string (buffer, " __volatile__");
1280       if (gimple_asm_nlabels (gs))
1281         pp_string (buffer, " goto");
1282       pp_string (buffer, "(\"");
1283       pp_string (buffer, gimple_asm_string (gs));
1284       pp_string (buffer, "\"");
1285
1286       if (gimple_asm_nlabels (gs))
1287         fields = 4;
1288       else if (gimple_asm_nclobbers (gs))
1289         fields = 3;
1290       else if (gimple_asm_ninputs (gs))
1291         fields = 2;
1292       else if (gimple_asm_noutputs (gs))
1293         fields = 1;
1294       else
1295         fields = 0;
1296
1297       for (f = 0; f < fields; ++f)
1298         {
1299           pp_string (buffer, " : ");
1300
1301           switch (f)
1302             {
1303             case 0:
1304               n = gimple_asm_noutputs (gs);
1305               for (i = 0; i < n; i++)
1306                 {
1307                   dump_generic_node (buffer, gimple_asm_output_op (gs, i),
1308                                      spc, flags, false);
1309                   if (i < n - 1)
1310                     pp_string (buffer, ", ");
1311                 }
1312               break;
1313
1314             case 1:
1315               n = gimple_asm_ninputs (gs);
1316               for (i = 0; i < n; i++)
1317                 {
1318                   dump_generic_node (buffer, gimple_asm_input_op (gs, i),
1319                                      spc, flags, false);
1320                   if (i < n - 1)
1321                     pp_string (buffer, ", ");
1322                 }
1323               break;
1324
1325             case 2:
1326               n = gimple_asm_nclobbers (gs);
1327               for (i = 0; i < n; i++)
1328                 {
1329                   dump_generic_node (buffer, gimple_asm_clobber_op (gs, i),
1330                                      spc, flags, false);
1331                   if (i < n - 1)
1332                     pp_string (buffer, ", ");
1333                 }
1334               break;
1335
1336             case 3:
1337               n = gimple_asm_nlabels (gs);
1338               for (i = 0; i < n; i++)
1339                 {
1340                   dump_generic_node (buffer, gimple_asm_label_op (gs, i),
1341                                      spc, flags, false);
1342                   if (i < n - 1)
1343                     pp_string (buffer, ", ");
1344                 }
1345               break;
1346
1347             default:
1348               gcc_unreachable ();
1349             }
1350         }
1351
1352       pp_string (buffer, ");");
1353     }
1354 }
1355
1356
1357 /* Dump a PHI node PHI.  BUFFER, SPC and FLAGS are as in
1358    dump_gimple_stmt.  */
1359
1360 static void
1361 dump_gimple_phi (pretty_printer *buffer, gimple phi, int spc, int flags)
1362 {
1363   size_t i;
1364   tree lhs = gimple_phi_result (phi);
1365
1366   if (flags & TDF_ALIAS
1367       && POINTER_TYPE_P (TREE_TYPE (lhs))
1368       && SSA_NAME_PTR_INFO (lhs))
1369     {
1370       pp_string (buffer, "PT = ");
1371       pp_points_to_solution (buffer, &SSA_NAME_PTR_INFO (lhs)->pt);
1372       newline_and_indent (buffer, spc);
1373       pp_string (buffer, "# ");
1374     }
1375
1376   if (flags & TDF_RAW)
1377       dump_gimple_fmt (buffer, spc, flags, "%G <%T, ", phi,
1378                        gimple_phi_result (phi));
1379   else
1380     {
1381       dump_generic_node (buffer, lhs, spc, flags, false);
1382       pp_string (buffer, " = PHI <");
1383     }
1384   for (i = 0; i < gimple_phi_num_args (phi); i++)
1385     {
1386       if ((flags & TDF_LINENO) && gimple_phi_arg_has_location (phi, i))
1387         {
1388           expanded_location xloc;
1389
1390           xloc = expand_location (gimple_phi_arg_location (phi, i));
1391           pp_character (buffer, '[');
1392           if (xloc.file)
1393             {
1394               pp_string (buffer, xloc.file);
1395               pp_string (buffer, " : ");
1396             }
1397           pp_decimal_int (buffer, xloc.line);
1398           pp_string (buffer, ":");
1399           pp_decimal_int (buffer, xloc.column);
1400           pp_string (buffer, "] ");
1401         }
1402       dump_generic_node (buffer, gimple_phi_arg_def (phi, i), spc, flags,
1403                          false);
1404       pp_character (buffer, '(');
1405       pp_decimal_int (buffer, gimple_phi_arg_edge (phi, i)->src->index);
1406       pp_character (buffer, ')');
1407       if (i < gimple_phi_num_args (phi) - 1)
1408         pp_string (buffer, ", ");
1409     }
1410   pp_character (buffer, '>');
1411 }
1412
1413
1414 /* Dump a GIMPLE_OMP_PARALLEL tuple on the pretty_printer BUFFER, SPC spaces
1415    of indent.  FLAGS specifies details to show in the dump (see TDF_* in
1416    tree-pass.h).  */
1417
1418 static void
1419 dump_gimple_omp_parallel (pretty_printer *buffer, gimple gs, int spc,
1420                           int flags)
1421 {
1422   if (flags & TDF_RAW)
1423     {
1424       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1425                        gimple_omp_body (gs));
1426       dump_omp_clauses (buffer, gimple_omp_parallel_clauses (gs), spc, flags);
1427       dump_gimple_fmt (buffer, spc, flags, " >, %T, %T%n>",
1428                        gimple_omp_parallel_child_fn (gs),
1429                        gimple_omp_parallel_data_arg (gs));
1430     }
1431   else
1432     {
1433       gimple_seq body;
1434       pp_string (buffer, "#pragma omp parallel");
1435       dump_omp_clauses (buffer, gimple_omp_parallel_clauses (gs), spc, flags);
1436       if (gimple_omp_parallel_child_fn (gs))
1437         {
1438           pp_string (buffer, " [child fn: ");
1439           dump_generic_node (buffer, gimple_omp_parallel_child_fn (gs),
1440                              spc, flags, false);
1441           pp_string (buffer, " (");
1442           if (gimple_omp_parallel_data_arg (gs))
1443             dump_generic_node (buffer, gimple_omp_parallel_data_arg (gs),
1444                                spc, flags, false);
1445           else
1446             pp_string (buffer, "???");
1447           pp_string (buffer, ")]");
1448         }
1449       body = gimple_omp_body (gs);
1450       if (body && gimple_code (gimple_seq_first_stmt (body)) != GIMPLE_BIND)
1451         {
1452           newline_and_indent (buffer, spc + 2);
1453           pp_character (buffer, '{');
1454           pp_newline (buffer);
1455           dump_gimple_seq (buffer, body, spc + 4, flags);
1456           newline_and_indent (buffer, spc + 2);
1457           pp_character (buffer, '}');
1458         }
1459       else if (body)
1460         {
1461           pp_newline (buffer);
1462           dump_gimple_seq (buffer, body, spc + 2, flags);
1463         }
1464     }
1465 }
1466
1467
1468 /* Dump a GIMPLE_OMP_TASK tuple on the pretty_printer BUFFER, SPC spaces
1469    of indent.  FLAGS specifies details to show in the dump (see TDF_* in
1470    tree-pass.h).  */
1471
1472 static void
1473 dump_gimple_omp_task (pretty_printer *buffer, gimple gs, int spc,
1474                       int flags)
1475 {
1476   if (flags & TDF_RAW)
1477     {
1478       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1479                        gimple_omp_body (gs));
1480       dump_omp_clauses (buffer, gimple_omp_task_clauses (gs), spc, flags);
1481       dump_gimple_fmt (buffer, spc, flags, " >, %T, %T, %T, %T, %T%n>",
1482                        gimple_omp_task_child_fn (gs),
1483                        gimple_omp_task_data_arg (gs),
1484                        gimple_omp_task_copy_fn (gs),
1485                        gimple_omp_task_arg_size (gs),
1486                        gimple_omp_task_arg_size (gs));
1487     }
1488   else
1489     {
1490       gimple_seq body;
1491       pp_string (buffer, "#pragma omp task");
1492       dump_omp_clauses (buffer, gimple_omp_task_clauses (gs), spc, flags);
1493       if (gimple_omp_task_child_fn (gs))
1494         {
1495           pp_string (buffer, " [child fn: ");
1496           dump_generic_node (buffer, gimple_omp_task_child_fn (gs),
1497                              spc, flags, false);
1498           pp_string (buffer, " (");
1499           if (gimple_omp_task_data_arg (gs))
1500             dump_generic_node (buffer, gimple_omp_task_data_arg (gs),
1501                                spc, flags, false);
1502           else
1503             pp_string (buffer, "???");
1504           pp_string (buffer, ")]");
1505         }
1506       body = gimple_omp_body (gs);
1507       if (body && gimple_code (gimple_seq_first_stmt (body)) != GIMPLE_BIND)
1508         {
1509           newline_and_indent (buffer, spc + 2);
1510           pp_character (buffer, '{');
1511           pp_newline (buffer);
1512           dump_gimple_seq (buffer, body, spc + 4, flags);
1513           newline_and_indent (buffer, spc + 2);
1514           pp_character (buffer, '}');
1515         }
1516       else if (body)
1517         {
1518           pp_newline (buffer);
1519           dump_gimple_seq (buffer, body, spc + 2, flags);
1520         }
1521     }
1522 }
1523
1524
1525 /* Dump a GIMPLE_OMP_ATOMIC_LOAD tuple on the pretty_printer BUFFER, SPC
1526    spaces of indent.  FLAGS specifies details to show in the dump (see TDF_*
1527    in tree-pass.h).  */
1528
1529 static void
1530 dump_gimple_omp_atomic_load (pretty_printer *buffer, gimple gs, int spc,
1531                              int flags)
1532 {
1533   if (flags & TDF_RAW)
1534     {
1535       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T>", gs,
1536                        gimple_omp_atomic_load_lhs (gs),
1537                        gimple_omp_atomic_load_rhs (gs));
1538     }
1539   else
1540     {
1541       pp_string (buffer, "#pragma omp atomic_load");
1542       newline_and_indent (buffer, spc + 2);
1543       dump_generic_node (buffer, gimple_omp_atomic_load_lhs (gs),
1544                          spc, flags, false);
1545       pp_space (buffer);
1546       pp_character (buffer, '=');
1547       pp_space (buffer);
1548       pp_character (buffer, '*');
1549       dump_generic_node (buffer, gimple_omp_atomic_load_rhs (gs),
1550                          spc, flags, false);
1551     }
1552 }
1553
1554 /* Dump a GIMPLE_OMP_ATOMIC_STORE tuple on the pretty_printer BUFFER, SPC
1555    spaces of indent.  FLAGS specifies details to show in the dump (see TDF_*
1556    in tree-pass.h).  */
1557
1558 static void
1559 dump_gimple_omp_atomic_store (pretty_printer *buffer, gimple gs, int spc,
1560                              int flags)
1561 {
1562   if (flags & TDF_RAW)
1563     {
1564       dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs,
1565                        gimple_omp_atomic_store_val (gs));
1566     }
1567   else
1568     {
1569       pp_string (buffer, "#pragma omp atomic_store (");
1570       dump_generic_node (buffer, gimple_omp_atomic_store_val (gs),
1571                          spc, flags, false);
1572       pp_character (buffer, ')');
1573     }
1574 }
1575
1576
1577 /* Dump all the memory operands for statement GS.  BUFFER, SPC and
1578    FLAGS are as in dump_gimple_stmt.  */
1579
1580 static void
1581 dump_gimple_mem_ops (pretty_printer *buffer, gimple gs, int spc, int flags)
1582 {
1583   tree vdef = gimple_vdef (gs);
1584   tree vuse = gimple_vuse (gs);
1585
1586   if (!ssa_operands_active () || !gimple_references_memory_p (gs))
1587     return;
1588
1589   if (vdef != NULL_TREE)
1590     {
1591       pp_string (buffer, "# ");
1592       dump_generic_node (buffer, vdef, spc + 2, flags, false);
1593       pp_string (buffer, " = VDEF <");
1594       dump_generic_node (buffer, vuse, spc + 2, flags, false);
1595       pp_character (buffer, '>');
1596       newline_and_indent (buffer, spc);
1597     }
1598   else if (vuse != NULL_TREE)
1599     {
1600       pp_string (buffer, "# VUSE <");
1601       dump_generic_node (buffer, vuse, spc + 2, flags, false);
1602       pp_character (buffer, '>');
1603       newline_and_indent (buffer, spc);
1604     }
1605 }
1606
1607
1608 /* Dump the gimple statement GS on the pretty printer BUFFER, SPC
1609    spaces of indent.  FLAGS specifies details to show in the dump (see
1610    TDF_* in tree-pass.h).  */
1611
1612 void
1613 dump_gimple_stmt (pretty_printer *buffer, gimple gs, int spc, int flags)
1614 {
1615   if (!gs)
1616     return;
1617
1618   if (flags & TDF_STMTADDR)
1619     pp_printf (buffer, "<&%p> ", (void *) gs);
1620
1621   if ((flags & TDF_LINENO) && gimple_has_location (gs))
1622     {
1623       expanded_location xloc = expand_location (gimple_location (gs));
1624       pp_character (buffer, '[');
1625       if (xloc.file)
1626         {
1627           pp_string (buffer, xloc.file);
1628           pp_string (buffer, " : ");
1629         }
1630       pp_decimal_int (buffer, xloc.line);
1631       pp_string (buffer, ":");
1632       pp_decimal_int (buffer, xloc.column);
1633       pp_string (buffer, "] ");
1634     }
1635
1636   if (flags & TDF_EH)
1637     {
1638       int lp_nr = lookup_stmt_eh_lp (gs);
1639       if (lp_nr > 0)
1640         pp_printf (buffer, "[LP %d] ", lp_nr);
1641       else if (lp_nr < 0)
1642         pp_printf (buffer, "[MNT %d] ", -lp_nr);
1643     }
1644
1645   if ((flags & (TDF_VOPS|TDF_MEMSYMS))
1646       && gimple_has_mem_ops (gs))
1647     dump_gimple_mem_ops (buffer, gs, spc, flags);
1648
1649   if ((flags & TDF_ALIAS)
1650       && gimple_has_lhs (gs))
1651     {
1652       tree lhs = gimple_get_lhs (gs);
1653       if (TREE_CODE (lhs) == SSA_NAME
1654           && POINTER_TYPE_P (TREE_TYPE (lhs))
1655           && SSA_NAME_PTR_INFO (lhs))
1656         {
1657           pp_string (buffer, "# PT = ");
1658           pp_points_to_solution (buffer, &SSA_NAME_PTR_INFO (lhs)->pt);
1659           newline_and_indent (buffer, spc);
1660         }
1661     }
1662
1663   switch (gimple_code (gs))
1664     {
1665     case GIMPLE_ASM:
1666       dump_gimple_asm (buffer, gs, spc, flags);
1667       break;
1668
1669     case GIMPLE_ASSIGN:
1670       dump_gimple_assign (buffer, gs, spc, flags);
1671       break;
1672
1673     case GIMPLE_BIND:
1674       dump_gimple_bind (buffer, gs, spc, flags);
1675       break;
1676
1677     case GIMPLE_CALL:
1678       dump_gimple_call (buffer, gs, spc, flags);
1679       break;
1680
1681     case GIMPLE_COND:
1682       dump_gimple_cond (buffer, gs, spc, flags);
1683       break;
1684
1685     case GIMPLE_LABEL:
1686       dump_gimple_label (buffer, gs, spc, flags);
1687       break;
1688
1689     case GIMPLE_GOTO:
1690       dump_gimple_goto (buffer, gs, spc, flags);
1691       break;
1692
1693     case GIMPLE_NOP:
1694       pp_string (buffer, "GIMPLE_NOP");
1695       break;
1696
1697     case GIMPLE_RETURN:
1698       dump_gimple_return (buffer, gs, spc, flags);
1699       break;
1700
1701     case GIMPLE_SWITCH:
1702       dump_gimple_switch (buffer, gs, spc, flags);
1703       break;
1704
1705     case GIMPLE_TRY:
1706       dump_gimple_try (buffer, gs, spc, flags);
1707       break;
1708
1709     case GIMPLE_PHI:
1710       dump_gimple_phi (buffer, gs, spc, flags);
1711       break;
1712
1713     case GIMPLE_OMP_PARALLEL:
1714       dump_gimple_omp_parallel (buffer, gs, spc, flags);
1715       break;
1716
1717     case GIMPLE_OMP_TASK:
1718       dump_gimple_omp_task (buffer, gs, spc, flags);
1719       break;
1720
1721     case GIMPLE_OMP_ATOMIC_LOAD:
1722       dump_gimple_omp_atomic_load (buffer, gs, spc, flags);
1723
1724       break;
1725
1726     case GIMPLE_OMP_ATOMIC_STORE:
1727       dump_gimple_omp_atomic_store (buffer, gs, spc, flags);
1728       break;
1729
1730     case GIMPLE_OMP_FOR:
1731       dump_gimple_omp_for (buffer, gs, spc, flags);
1732       break;
1733
1734     case GIMPLE_OMP_CONTINUE:
1735       dump_gimple_omp_continue (buffer, gs, spc, flags);
1736       break;
1737
1738     case GIMPLE_OMP_SINGLE:
1739       dump_gimple_omp_single (buffer, gs, spc, flags);
1740       break;
1741
1742     case GIMPLE_OMP_RETURN:
1743       dump_gimple_omp_return (buffer, gs, spc, flags);
1744       break;
1745
1746     case GIMPLE_OMP_SECTIONS:
1747       dump_gimple_omp_sections (buffer, gs, spc, flags);
1748       break;
1749
1750     case GIMPLE_OMP_SECTIONS_SWITCH:
1751       pp_string (buffer, "GIMPLE_SECTIONS_SWITCH");
1752       break;
1753
1754     case GIMPLE_OMP_MASTER:
1755     case GIMPLE_OMP_ORDERED:
1756     case GIMPLE_OMP_SECTION:
1757       dump_gimple_omp_block (buffer, gs, spc, flags);
1758       break;
1759
1760     case GIMPLE_OMP_CRITICAL:
1761       dump_gimple_omp_critical (buffer, gs, spc, flags);
1762       break;
1763
1764     case GIMPLE_CATCH:
1765       dump_gimple_catch (buffer, gs, spc, flags);
1766       break;
1767
1768     case GIMPLE_EH_FILTER:
1769       dump_gimple_eh_filter (buffer, gs, spc, flags);
1770       break;
1771
1772     case GIMPLE_EH_MUST_NOT_THROW:
1773       dump_gimple_eh_must_not_throw (buffer, gs, spc, flags);
1774       break;
1775
1776     case GIMPLE_RESX:
1777       dump_gimple_resx (buffer, gs, spc, flags);
1778       break;
1779
1780     case GIMPLE_EH_DISPATCH:
1781       dump_gimple_eh_dispatch (buffer, gs, spc, flags);
1782       break;
1783
1784     case GIMPLE_DEBUG:
1785       dump_gimple_debug (buffer, gs, spc, flags);
1786       break;
1787
1788     case GIMPLE_PREDICT:
1789       pp_string (buffer, "// predicted ");
1790       if (gimple_predict_outcome (gs))
1791         pp_string (buffer, "likely by ");
1792       else
1793         pp_string (buffer, "unlikely by ");
1794       pp_string (buffer, predictor_name (gimple_predict_predictor (gs)));
1795       pp_string (buffer, " predictor.");
1796       break;
1797
1798     default:
1799       GIMPLE_NIY;
1800     }
1801
1802   /* If we're building a diagnostic, the formatted text will be
1803      written into BUFFER's stream by the caller; otherwise, write it
1804      now.  */
1805   if (!(flags & TDF_DIAGNOSTIC))
1806     pp_write_text_to_stream (buffer);
1807 }
1808
1809
1810 /* Dumps header of basic block BB to buffer BUFFER indented by INDENT
1811    spaces and details described by flags.  */
1812
1813 static void
1814 dump_bb_header (pretty_printer *buffer, basic_block bb, int indent, int flags)
1815 {
1816   edge e;
1817   gimple stmt;
1818   edge_iterator ei;
1819
1820   if (flags & TDF_BLOCKS)
1821     {
1822       INDENT (indent);
1823       pp_string (buffer, "# BLOCK ");
1824       pp_decimal_int (buffer, bb->index);
1825       if (bb->frequency)
1826         {
1827           pp_string (buffer, " freq:");
1828           pp_decimal_int (buffer, bb->frequency);
1829         }
1830       if (bb->count)
1831         {
1832           pp_string (buffer, " count:");
1833           pp_widest_integer (buffer, bb->count);
1834         }
1835
1836       if (flags & TDF_LINENO)
1837         {
1838           gimple_stmt_iterator gsi;
1839
1840           for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
1841             if (!is_gimple_debug (gsi_stmt (gsi))
1842                 && get_lineno (gsi_stmt (gsi)) != UNKNOWN_LOCATION)
1843               {
1844                 pp_string (buffer, ", starting at line ");
1845                 pp_decimal_int (buffer, get_lineno (gsi_stmt (gsi)));
1846                 break;
1847               }
1848
1849           if (bb->discriminator)
1850             {
1851               pp_string (buffer, ", discriminator ");
1852               pp_decimal_int (buffer, bb->discriminator);
1853             }
1854         }
1855       newline_and_indent (buffer, indent);
1856
1857       pp_string (buffer, "# PRED:");
1858       pp_write_text_to_stream (buffer);
1859       FOR_EACH_EDGE (e, ei, bb->preds)
1860         if (flags & TDF_SLIM)
1861           {
1862             pp_character (buffer, ' ');
1863             if (e->src == ENTRY_BLOCK_PTR)
1864               pp_string (buffer, "ENTRY");
1865             else
1866               pp_decimal_int (buffer, e->src->index);
1867           }
1868         else
1869           dump_edge_info (buffer->buffer->stream, e, 0);
1870       pp_newline (buffer);
1871     }
1872   else
1873     {
1874       stmt = first_stmt (bb);
1875       if (!stmt || gimple_code (stmt) != GIMPLE_LABEL)
1876         {
1877           INDENT (indent - 2);
1878           pp_string (buffer, "<bb ");
1879           pp_decimal_int (buffer, bb->index);
1880           pp_string (buffer, ">:");
1881           pp_newline (buffer);
1882         }
1883     }
1884   pp_write_text_to_stream (buffer);
1885   check_bb_profile (bb, buffer->buffer->stream);
1886 }
1887
1888
1889 /* Dumps end of basic block BB to buffer BUFFER indented by INDENT
1890    spaces.  */
1891
1892 static void
1893 dump_bb_end (pretty_printer *buffer, basic_block bb, int indent, int flags)
1894 {
1895   edge e;
1896   edge_iterator ei;
1897
1898   INDENT (indent);
1899   pp_string (buffer, "# SUCC:");
1900   pp_write_text_to_stream (buffer);
1901   FOR_EACH_EDGE (e, ei, bb->succs)
1902     if (flags & TDF_SLIM)
1903       {
1904         pp_character (buffer, ' ');
1905         if (e->dest == EXIT_BLOCK_PTR)
1906           pp_string (buffer, "EXIT");
1907         else
1908           pp_decimal_int (buffer, e->dest->index);
1909       }
1910     else
1911       dump_edge_info (buffer->buffer->stream, e, 1);
1912   pp_newline (buffer);
1913 }
1914
1915
1916 /* Dump PHI nodes of basic block BB to BUFFER with details described
1917    by FLAGS and indented by INDENT spaces.  */
1918
1919 static void
1920 dump_phi_nodes (pretty_printer *buffer, basic_block bb, int indent, int flags)
1921 {
1922   gimple_stmt_iterator i;
1923
1924   for (i = gsi_start_phis (bb); !gsi_end_p (i); gsi_next (&i))
1925     {
1926       gimple phi = gsi_stmt (i);
1927       if (is_gimple_reg (gimple_phi_result (phi)) || (flags & TDF_VOPS))
1928         {
1929           INDENT (indent);
1930           pp_string (buffer, "# ");
1931           dump_gimple_phi (buffer, phi, indent, flags);
1932           pp_newline (buffer);
1933         }
1934     }
1935 }
1936
1937
1938 /* Dump jump to basic block BB that is represented implicitly in the cfg
1939    to BUFFER.  */
1940
1941 static void
1942 pp_cfg_jump (pretty_printer *buffer, basic_block bb)
1943 {
1944   gimple stmt;
1945
1946   stmt = first_stmt (bb);
1947
1948   pp_string (buffer, "goto <bb ");
1949   pp_decimal_int (buffer, bb->index);
1950   pp_character (buffer, '>');
1951   if (stmt && gimple_code (stmt) == GIMPLE_LABEL)
1952     {
1953       pp_string (buffer, " (");
1954       dump_generic_node (buffer, gimple_label_label (stmt), 0, 0, false);
1955       pp_character (buffer, ')');
1956       pp_semicolon (buffer);
1957     }
1958   else
1959     pp_semicolon (buffer);
1960 }
1961
1962
1963 /* Dump edges represented implicitly in basic block BB to BUFFER, indented
1964    by INDENT spaces, with details given by FLAGS.  */
1965
1966 static void
1967 dump_implicit_edges (pretty_printer *buffer, basic_block bb, int indent,
1968                      int flags)
1969 {
1970   edge e;
1971   edge_iterator ei;
1972   gimple stmt;
1973
1974   stmt = last_stmt (bb);
1975
1976   if (stmt && gimple_code (stmt) == GIMPLE_COND)
1977     {
1978       edge true_edge, false_edge;
1979
1980       /* When we are emitting the code or changing CFG, it is possible that
1981          the edges are not yet created.  When we are using debug_bb in such
1982          a situation, we do not want it to crash.  */
1983       if (EDGE_COUNT (bb->succs) != 2)
1984         return;
1985       extract_true_false_edges_from_block (bb, &true_edge, &false_edge);
1986
1987       INDENT (indent + 2);
1988       pp_cfg_jump (buffer, true_edge->dest);
1989       newline_and_indent (buffer, indent);
1990       pp_string (buffer, "else");
1991       newline_and_indent (buffer, indent + 2);
1992       pp_cfg_jump (buffer, false_edge->dest);
1993       pp_newline (buffer);
1994       return;
1995     }
1996
1997   /* If there is a fallthru edge, we may need to add an artificial
1998      goto to the dump.  */
1999   FOR_EACH_EDGE (e, ei, bb->succs)
2000     if (e->flags & EDGE_FALLTHRU)
2001       break;
2002
2003   if (e && e->dest != bb->next_bb)
2004     {
2005       INDENT (indent);
2006
2007       if ((flags & TDF_LINENO)
2008           && e->goto_locus != UNKNOWN_LOCATION
2009           )
2010         {
2011           expanded_location goto_xloc;
2012           goto_xloc = expand_location (e->goto_locus);
2013           pp_character (buffer, '[');
2014           if (goto_xloc.file)
2015             {
2016               pp_string (buffer, goto_xloc.file);
2017               pp_string (buffer, " : ");
2018             }
2019           pp_decimal_int (buffer, goto_xloc.line);
2020           pp_string (buffer, " : ");
2021           pp_decimal_int (buffer, goto_xloc.column);
2022           pp_string (buffer, "] ");
2023         }
2024
2025       pp_cfg_jump (buffer, e->dest);
2026       pp_newline (buffer);
2027     }
2028 }
2029
2030
2031 /* Dumps basic block BB to buffer BUFFER with details described by FLAGS and
2032    indented by INDENT spaces.  */
2033
2034 static void
2035 gimple_dump_bb_buff (pretty_printer *buffer, basic_block bb, int indent,
2036                      int flags)
2037 {
2038   gimple_stmt_iterator gsi;
2039   gimple stmt;
2040   int label_indent = indent - 2;
2041
2042   if (label_indent < 0)
2043     label_indent = 0;
2044
2045   dump_bb_header (buffer, bb, indent, flags);
2046   dump_phi_nodes (buffer, bb, indent, flags);
2047
2048   for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
2049     {
2050       int curr_indent;
2051
2052       stmt = gsi_stmt (gsi);
2053
2054       curr_indent = gimple_code (stmt) == GIMPLE_LABEL ? label_indent : indent;
2055
2056       INDENT (curr_indent);
2057       dump_gimple_stmt (buffer, stmt, curr_indent, flags);
2058       pp_newline (buffer);
2059       dump_histograms_for_stmt (cfun, buffer->buffer->stream, stmt);
2060     }
2061
2062   dump_implicit_edges (buffer, bb, indent, flags);
2063
2064   if (flags & TDF_BLOCKS)
2065     dump_bb_end (buffer, bb, indent, flags);
2066 }
2067
2068
2069 /* Dumps basic block BB to FILE with details described by FLAGS and
2070    indented by INDENT spaces.  */
2071
2072 void
2073 gimple_dump_bb (basic_block bb, FILE *file, int indent, int flags)
2074 {
2075   maybe_init_pretty_print (file);
2076   gimple_dump_bb_buff (&buffer, bb, indent, flags);
2077   pp_flush (&buffer);
2078 }