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           tree var = referenced_var_lookup (i);
 538           if (var)
 539             {
 540               dump_generic_node (buffer, var, 0, dump_flags, false);
 541               if (DECL_PT_UID (var) != DECL_UID (var))
 542                 {
 543                   pp_string (buffer, "ptD.");
 544                   pp_decimal_int (buffer, DECL_PT_UID (var));
 545                 }
 546             }
 547           else
 548             {
 549               pp_string (buffer, "D.");
 550               pp_decimal_int (buffer, i);
 551             }
 552           pp_character (buffer, ' ');
 553         }
 554       pp_character (buffer, '}');
 555       if (pt->vars_contains_global)
 556         pp_string (buffer, " (glob)");
 557       if (pt->vars_contains_restrict)
 558         pp_string (buffer, " (restr)");
 559     }
 560 }
 561
 562 /* Dump the call statement GS.  BUFFER, SPC and FLAGS are as in
 563    dump_gimple_stmt.  */
 564
 565 static void
 566 dump_gimple_call (pretty_printer *buffer, gimple gs, int spc, int flags)
 567 {
 568   tree lhs = gimple_call_lhs (gs);
 569
 570   if (flags & TDF_ALIAS)
 571     {
 572       struct pt_solution *pt;
 573       pt = gimple_call_use_set (gs);
 574       if (!pt_solution_empty_p (pt))
 575         {
 576           pp_string (buffer, "# USE = ");
 577           pp_points_to_solution (buffer, pt);
 578           newline_and_indent (buffer, spc);
 579         }
 580       pt = gimple_call_clobber_set (gs);
 581       if (!pt_solution_empty_p (pt))
 582         {
 583           pp_string (buffer, "# CLB = ");
 584           pp_points_to_solution (buffer, pt);
 585           newline_and_indent (buffer, spc);
 586         }
 587     }
 588
 589   if (flags & TDF_RAW)
 590     {
 591       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T",
 592                      gs, gimple_call_fn (gs), lhs);
 593       if (gimple_call_num_args (gs) > 0)
 594         {
 595           pp_string (buffer, ", ");
 596           dump_gimple_call_args (buffer, gs, flags);
 597         }
 598       pp_character (buffer, '>');
 599     }
 600   else
 601     {
 602       if (lhs && !(flags & TDF_RHS_ONLY))
 603         {
 604           dump_generic_node (buffer, lhs, spc, flags, false);
 605           pp_string (buffer, " =");
 606
 607           if (gimple_has_volatile_ops (gs))
 608             pp_string (buffer, "{v}");
 609
 610           pp_space (buffer);
 611         }
 612       print_call_name (buffer, gimple_call_fn (gs), flags);
 613       pp_string (buffer, " (");
 614       dump_gimple_call_args (buffer, gs, flags);
 615       pp_character (buffer, ')');
 616       if (!(flags & TDF_RHS_ONLY))
 617         pp_semicolon (buffer);
 618     }
 619
 620   if (gimple_call_chain (gs))
 621     {
 622       pp_string (buffer, " [static-chain: ");
 623       dump_generic_node (buffer, gimple_call_chain (gs), spc, flags, false);
 624       pp_character (buffer, ']');
 625     }
 626
 627   if (gimple_call_return_slot_opt_p (gs))
 628     pp_string (buffer, " [return slot optimization]");
 629
 630   if (gimple_call_tail_p (gs))
 631     pp_string (buffer, " [tail call]");
 632 }
 633
 634
 635 /* Dump the switch statement GS.  BUFFER, SPC and FLAGS are as in
 636    dump_gimple_stmt.  */
 637
 638 static void
 639 dump_gimple_switch (pretty_printer *buffer, gimple gs, int spc, int flags)
 640 {
 641   unsigned int i;
 642
 643   GIMPLE_CHECK (gs, GIMPLE_SWITCH);
 644   if (flags & TDF_RAW)
 645     dump_gimple_fmt (buffer, spc, flags, "%G <%T, ", gs,
 646                    gimple_switch_index (gs));
 647   else
 648     {
 649       pp_string (buffer, "switch (");
 650       dump_generic_node (buffer, gimple_switch_index (gs), spc, flags, true);
 651       pp_string (buffer, ") <");
 652     }
 653
 654   for (i = 0; i < gimple_switch_num_labels (gs); i++)
 655     {
 656       tree case_label = gimple_switch_label (gs, i);
 657       if (case_label == NULL_TREE)
 658         continue;
 659
 660       dump_generic_node (buffer, case_label, spc, flags, false);
 661       pp_character (buffer, ' ');
 662       dump_generic_node (buffer, CASE_LABEL (case_label), spc, flags, false);
 663       if (i < gimple_switch_num_labels (gs) - 1)
 664         pp_string (buffer, ", ");
 665     }
 666   pp_character (buffer, '>');
 667 }
 668
 669
 670 /* Dump the gimple conditional GS.  BUFFER, SPC and FLAGS are as in
 671    dump_gimple_stmt.  */
 672
 673 static void
 674 dump_gimple_cond (pretty_printer *buffer, gimple gs, int spc, int flags)
 675 {
 676   if (flags & TDF_RAW)
 677     dump_gimple_fmt (buffer, spc, flags, "%G <%s, %T, %T, %T, %T>", gs,
 678                    tree_code_name [gimple_cond_code (gs)],
 679                    gimple_cond_lhs (gs), gimple_cond_rhs (gs),
 680                    gimple_cond_true_label (gs), gimple_cond_false_label (gs));
 681   else
 682     {
 683       if (!(flags & TDF_RHS_ONLY))
 684         pp_string (buffer, "if (");
 685       dump_generic_node (buffer, gimple_cond_lhs (gs), spc, flags, false);
 686       pp_space (buffer);
 687       pp_string (buffer, op_symbol_code (gimple_cond_code (gs)));
 688       pp_space (buffer);
 689       dump_generic_node (buffer, gimple_cond_rhs (gs), spc, flags, false);
 690       if (!(flags & TDF_RHS_ONLY))
 691         {
 692           pp_character (buffer, ')');
 693
 694           if (gimple_cond_true_label (gs))
 695             {
 696               pp_string (buffer, " goto ");
 697               dump_generic_node (buffer, gimple_cond_true_label (gs),
 698                                  spc, flags, false);
 699               pp_semicolon (buffer);
 700             }
 701           if (gimple_cond_false_label (gs))
 702             {
 703               pp_string (buffer, " else goto ");
 704               dump_generic_node (buffer, gimple_cond_false_label (gs),
 705                                  spc, flags, false);
 706               pp_semicolon (buffer);
 707             }
 708         }
 709     }
 710 }
 711
 712
 713 /* Dump a GIMPLE_LABEL tuple on the pretty_printer BUFFER, SPC
 714    spaces of indent.  FLAGS specifies details to show in the dump (see
 715    TDF_* in tree-pass.h).  */
 716
 717 static void
 718 dump_gimple_label (pretty_printer *buffer, gimple gs, int spc, int flags)
 719 {
 720   tree label = gimple_label_label (gs);
 721   if (flags & TDF_RAW)
 722       dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs, label);
 723   else
 724     {
 725       dump_generic_node (buffer, label, spc, flags, false);
 726       pp_character (buffer, ':');
 727     }
 728   if (DECL_NONLOCAL (label))
 729     pp_string (buffer, " [non-local]");
 730   if ((flags & TDF_EH) && EH_LANDING_PAD_NR (label))
 731     pp_printf (buffer, " [LP %d]", EH_LANDING_PAD_NR (label));
 732 }
 733
 734 /* Dump a GIMPLE_GOTO tuple on the pretty_printer BUFFER, SPC
 735    spaces of indent.  FLAGS specifies details to show in the dump (see
 736    TDF_* in tree-pass.h).  */
 737
 738 static void
 739 dump_gimple_goto (pretty_printer *buffer, gimple gs, int spc, int flags)
 740 {
 741   tree label = gimple_goto_dest (gs);
 742   if (flags & TDF_RAW)
 743     dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs, label);
 744   else
 745     dump_gimple_fmt (buffer, spc, flags, "goto %T;", label);
 746 }
 747
 748
 749 /* Dump a GIMPLE_BIND tuple on the pretty_printer BUFFER, SPC
 750    spaces of indent.  FLAGS specifies details to show in the dump (see
 751    TDF_* in tree-pass.h).  */
 752
 753 static void
 754 dump_gimple_bind (pretty_printer *buffer, gimple gs, int spc, int flags)
 755 {
 756   if (flags & TDF_RAW)
 757     dump_gimple_fmt (buffer, spc, flags, "%G <", gs);
 758   else
 759     pp_character (buffer, '{');
 760   if (!(flags & TDF_SLIM))
 761     {
 762       tree var;
 763
 764       for (var = gimple_bind_vars (gs); var; var = DECL_CHAIN (var))
 765         {
 766           newline_and_indent (buffer, 2);
 767           print_declaration (buffer, var, spc, flags);
 768         }
 769       if (gimple_bind_vars (gs))
 770         pp_newline (buffer);
 771     }
 772   pp_newline (buffer);
 773   dump_gimple_seq (buffer, gimple_bind_body (gs), spc + 2, flags);
 774   newline_and_indent (buffer, spc);
 775   if (flags & TDF_RAW)
 776     pp_character (buffer, '>');
 777   else
 778     pp_character (buffer, '}');
 779 }
 780
 781
 782 /* Dump a GIMPLE_TRY tuple on the pretty_printer BUFFER, SPC spaces of
 783    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 784    tree-pass.h).  */
 785
 786 static void
 787 dump_gimple_try (pretty_printer *buffer, gimple gs, int spc, int flags)
 788 {
 789   if (flags & TDF_RAW)
 790     {
 791       const char *type;
 792       if (gimple_try_kind (gs) == GIMPLE_TRY_CATCH)
 793         type = "GIMPLE_TRY_CATCH";
 794       else if (gimple_try_kind (gs) == GIMPLE_TRY_FINALLY)
 795         type = "GIMPLE_TRY_FINALLY";
 796       else
 797         type = "UNKNOWN GIMPLE_TRY";
 798       dump_gimple_fmt (buffer, spc, flags,
 799                        "%G <%s,%+EVAL <%S>%nCLEANUP <%S>%->", gs, type,
 800                        gimple_try_eval (gs), gimple_try_cleanup (gs));
 801     }
 802   else
 803     {
 804       pp_string (buffer, "try");
 805       newline_and_indent (buffer, spc + 2);
 806       pp_character (buffer, '{');
 807       pp_newline (buffer);
 808
 809       dump_gimple_seq (buffer, gimple_try_eval (gs), spc + 4, flags);
 810       newline_and_indent (buffer, spc + 2);
 811       pp_character (buffer, '}');
 812
 813       if (gimple_try_kind (gs) == GIMPLE_TRY_CATCH)
 814         {
 815           newline_and_indent (buffer, spc);
 816           pp_string (buffer, "catch");
 817           newline_and_indent (buffer, spc + 2);
 818           pp_character (buffer, '{');
 819         }
 820       else if (gimple_try_kind (gs) == GIMPLE_TRY_FINALLY)
 821         {
 822           newline_and_indent (buffer, spc);
 823           pp_string (buffer, "finally");
 824           newline_and_indent (buffer, spc + 2);
 825           pp_character (buffer, '{');
 826         }
 827       else
 828         pp_string (buffer, " <UNKNOWN GIMPLE_TRY> {");
 829
 830       pp_newline (buffer);
 831       dump_gimple_seq (buffer, gimple_try_cleanup (gs), spc + 4, flags);
 832       newline_and_indent (buffer, spc + 2);
 833       pp_character (buffer, '}');
 834     }
 835 }
 836
 837
 838 /* Dump a GIMPLE_CATCH tuple on the pretty_printer BUFFER, SPC spaces of
 839    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 840    tree-pass.h).  */
 841
 842 static void
 843 dump_gimple_catch (pretty_printer *buffer, gimple gs, int spc, int flags)
 844 {
 845   if (flags & TDF_RAW)
 846       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %+CATCH <%S>%->", gs,
 847                        gimple_catch_types (gs), gimple_catch_handler (gs));
 848   else
 849       dump_gimple_fmt (buffer, spc, flags, "catch (%T)%+{%S}",
 850                        gimple_catch_types (gs), gimple_catch_handler (gs));
 851 }
 852
 853
 854 /* Dump a GIMPLE_EH_FILTER tuple on the pretty_printer BUFFER, SPC spaces of
 855    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 856    tree-pass.h).  */
 857
 858 static void
 859 dump_gimple_eh_filter (pretty_printer *buffer, gimple gs, int spc, int flags)
 860 {
 861   if (flags & TDF_RAW)
 862     dump_gimple_fmt (buffer, spc, flags, "%G <%T, %+FAILURE <%S>%->", gs,
 863                      gimple_eh_filter_types (gs),
 864                      gimple_eh_filter_failure (gs));
 865   else
 866     dump_gimple_fmt (buffer, spc, flags, "<<<eh_filter (%T)>>>%+{%+%S%-}",
 867                      gimple_eh_filter_types (gs),
 868                      gimple_eh_filter_failure (gs));
 869 }
 870
 871
 872 /* Dump a GIMPLE_EH_MUST_NOT_THROW tuple.  */
 873
 874 static void
 875 dump_gimple_eh_must_not_throw (pretty_printer *buffer, gimple gs,
 876                                int spc, int flags)
 877 {
 878   if (flags & TDF_RAW)
 879     dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs,
 880                      gimple_eh_must_not_throw_fndecl (gs));
 881   else
 882     dump_gimple_fmt (buffer, spc, flags, "<<<eh_must_not_throw (%T)>>>",
 883                      gimple_eh_must_not_throw_fndecl (gs));
 884 }
 885
 886
 887 /* Dump a GIMPLE_RESX tuple on the pretty_printer BUFFER, SPC spaces of
 888    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 889    tree-pass.h).  */
 890
 891 static void
 892 dump_gimple_resx (pretty_printer *buffer, gimple gs, int spc, int flags)
 893 {
 894   if (flags & TDF_RAW)
 895     dump_gimple_fmt (buffer, spc, flags, "%G <%d>", gs,
 896                      gimple_resx_region (gs));
 897   else
 898     dump_gimple_fmt (buffer, spc, flags, "resx %d", gimple_resx_region (gs));
 899 }
 900
 901 /* Dump a GIMPLE_EH_DISPATCH tuple on the pretty_printer BUFFER.  */
 902
 903 static void
 904 dump_gimple_eh_dispatch (pretty_printer *buffer, gimple gs, int spc, int flags)
 905 {
 906   if (flags & TDF_RAW)
 907     dump_gimple_fmt (buffer, spc, flags, "%G <%d>", gs,
 908                      gimple_eh_dispatch_region (gs));
 909   else
 910     dump_gimple_fmt (buffer, spc, flags, "eh_dispatch %d",
 911                      gimple_eh_dispatch_region (gs));
 912 }
 913
 914 /* Dump a GIMPLE_DEBUG tuple on the pretty_printer BUFFER, SPC spaces
 915    of indent.  FLAGS specifies details to show in the dump (see TDF_*
 916    in tree-pass.h).  */
 917
 918 static void
 919 dump_gimple_debug (pretty_printer *buffer, gimple gs, int spc, int flags)
 920 {
 921   switch (gs->gsbase.subcode)
 922     {
 923     case GIMPLE_DEBUG_BIND:
 924       if (flags & TDF_RAW)
 925         dump_gimple_fmt (buffer, spc, flags, "%G BIND <%T, %T>", gs,
 926                          gimple_debug_bind_get_var (gs),
 927                          gimple_debug_bind_get_value (gs));
 928       else
 929         dump_gimple_fmt (buffer, spc, flags, "# DEBUG %T => %T",
 930                          gimple_debug_bind_get_var (gs),
 931                          gimple_debug_bind_get_value (gs));
 932       break;
 933
 934     default:
 935       gcc_unreachable ();
 936     }
 937 }
 938
 939 /* Dump a GIMPLE_OMP_FOR tuple on the pretty_printer BUFFER.  */
 940 static void
 941 dump_gimple_omp_for (pretty_printer *buffer, gimple gs, int spc, int flags)
 942 {
 943   size_t i;
 944
 945   if (flags & TDF_RAW)
 946     {
 947       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
 948                        gimple_omp_body (gs));
 949       dump_omp_clauses (buffer, gimple_omp_for_clauses (gs), spc, flags);
 950       dump_gimple_fmt (buffer, spc, flags, " >,");
 951       for (i = 0; i < gimple_omp_for_collapse (gs); i++)
 952         dump_gimple_fmt (buffer, spc, flags,
 953                          "%+%T, %T, %T, %s, %T,%n",
 954                          gimple_omp_for_index (gs, i),
 955                          gimple_omp_for_initial (gs, i),
 956                          gimple_omp_for_final (gs, i),
 957                          tree_code_name[gimple_omp_for_cond (gs, i)],
 958                          gimple_omp_for_incr (gs, i));
 959       dump_gimple_fmt (buffer, spc, flags, "PRE_BODY <%S>%->",
 960                        gimple_omp_for_pre_body (gs));
 961     }
 962   else
 963     {
 964       pp_string (buffer, "#pragma omp for");
 965       dump_omp_clauses (buffer, gimple_omp_for_clauses (gs), spc, flags);
 966       for (i = 0; i < gimple_omp_for_collapse (gs); i++)
 967         {
 968           if (i)
 969             spc += 2;
 970           newline_and_indent (buffer, spc);
 971           pp_string (buffer, "for (");
 972           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
 973                              flags, false);
 974           pp_string (buffer, " = ");
 975           dump_generic_node (buffer, gimple_omp_for_initial (gs, i), spc,
 976                              flags, false);
 977           pp_string (buffer, "; ");
 978
 979           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
 980                              flags, false);
 981           pp_space (buffer);
 982           switch (gimple_omp_for_cond (gs, i))
 983             {
 984             case LT_EXPR:
 985               pp_character (buffer, '<');
 986               break;
 987             case GT_EXPR:
 988               pp_character (buffer, '>');
 989               break;
 990             case LE_EXPR:
 991               pp_string (buffer, "<=");
 992               break;
 993             case GE_EXPR:
 994               pp_string (buffer, ">=");
 995               break;
 996             default:
 997               gcc_unreachable ();
 998             }
 999           pp_space (buffer);
1000           dump_generic_node (buffer, gimple_omp_for_final (gs, i), spc,
1001                              flags, false);
1002           pp_string (buffer, "; ");
1003
1004           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
1005                              flags, false);
1006           pp_string (buffer, " = ");
1007           dump_generic_node (buffer, gimple_omp_for_incr (gs, i), spc,
1008                              flags, false);
1009           pp_character (buffer, ')');
1010         }
1011
1012       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1013         {
1014           newline_and_indent (buffer, spc + 2);
1015           pp_character (buffer, '{');
1016           pp_newline (buffer);
1017           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1018           newline_and_indent (buffer, spc + 2);
1019           pp_character (buffer, '}');
1020         }
1021     }
1022 }
1023
1024 /* Dump a GIMPLE_OMP_CONTINUE tuple on the pretty_printer BUFFER.  */
1025
1026 static void
1027 dump_gimple_omp_continue (pretty_printer *buffer, gimple gs, int spc, int flags)
1028 {
1029   if (flags & TDF_RAW)
1030     {
1031       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T>", gs,
1032                        gimple_omp_continue_control_def (gs),
1033                        gimple_omp_continue_control_use (gs));
1034     }
1035   else
1036     {
1037       pp_string (buffer, "#pragma omp continue (");
1038       dump_generic_node (buffer, gimple_omp_continue_control_def (gs),
1039                          spc, flags, false);
1040       pp_character (buffer, ',');
1041       pp_space (buffer);
1042       dump_generic_node (buffer, gimple_omp_continue_control_use (gs),
1043                          spc, flags, false);
1044       pp_character (buffer, ')');
1045     }
1046 }
1047
1048 /* Dump a GIMPLE_OMP_SINGLE tuple on the pretty_printer BUFFER.  */
1049
1050 static void
1051 dump_gimple_omp_single (pretty_printer *buffer, gimple gs, int spc, int flags)
1052 {
1053   if (flags & TDF_RAW)
1054     {
1055       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1056                        gimple_omp_body (gs));
1057       dump_omp_clauses (buffer, gimple_omp_single_clauses (gs), spc, flags);
1058       dump_gimple_fmt (buffer, spc, flags, " >");
1059     }
1060   else
1061     {
1062       pp_string (buffer, "#pragma omp single");
1063       dump_omp_clauses (buffer, gimple_omp_single_clauses (gs), spc, flags);
1064       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1065         {
1066           newline_and_indent (buffer, spc + 2);
1067           pp_character (buffer, '{');
1068           pp_newline (buffer);
1069           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1070           newline_and_indent (buffer, spc + 2);
1071           pp_character (buffer, '}');
1072         }
1073     }
1074 }
1075
1076 /* Dump a GIMPLE_OMP_SECTIONS tuple on the pretty_printer BUFFER.  */
1077
1078 static void
1079 dump_gimple_omp_sections (pretty_printer *buffer, gimple gs, int spc,
1080                           int flags)
1081 {
1082   if (flags & TDF_RAW)
1083     {
1084       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1085                        gimple_omp_body (gs));
1086       dump_omp_clauses (buffer, gimple_omp_sections_clauses (gs), spc, flags);
1087       dump_gimple_fmt (buffer, spc, flags, " >");
1088     }
1089   else
1090     {
1091       pp_string (buffer, "#pragma omp sections");
1092       if (gimple_omp_sections_control (gs))
1093         {
1094           pp_string (buffer, " <");
1095           dump_generic_node (buffer, gimple_omp_sections_control (gs), spc,
1096                              flags, false);
1097           pp_character (buffer, '>');
1098         }
1099       dump_omp_clauses (buffer, gimple_omp_sections_clauses (gs), spc, flags);
1100       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1101         {
1102           newline_and_indent (buffer, spc + 2);
1103           pp_character (buffer, '{');
1104           pp_newline (buffer);
1105           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1106           newline_and_indent (buffer, spc + 2);
1107           pp_character (buffer, '}');
1108         }
1109     }
1110 }
1111
1112 /* Dump a GIMPLE_OMP_{MASTER,ORDERED,SECTION} tuple on the pretty_printer
1113    BUFFER.  */
1114
1115 static void
1116 dump_gimple_omp_block (pretty_printer *buffer, gimple gs, int spc, int flags)
1117 {
1118   if (flags & TDF_RAW)
1119     dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S> >", gs,
1120                      gimple_omp_body (gs));
1121   else
1122     {
1123       switch (gimple_code (gs))
1124         {
1125         case GIMPLE_OMP_MASTER:
1126           pp_string (buffer, "#pragma omp master");
1127           break;
1128         case GIMPLE_OMP_ORDERED:
1129           pp_string (buffer, "#pragma omp ordered");
1130           break;
1131         case GIMPLE_OMP_SECTION:
1132           pp_string (buffer, "#pragma omp section");
1133           break;
1134         default:
1135           gcc_unreachable ();
1136         }
1137       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1138         {
1139           newline_and_indent (buffer, spc + 2);
1140           pp_character (buffer, '{');
1141           pp_newline (buffer);
1142           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1143           newline_and_indent (buffer, spc + 2);
1144           pp_character (buffer, '}');
1145         }
1146     }
1147 }
1148
1149 /* Dump a GIMPLE_OMP_CRITICAL tuple on the pretty_printer BUFFER.  */
1150
1151 static void
1152 dump_gimple_omp_critical (pretty_printer *buffer, gimple gs, int spc,
1153                           int flags)
1154 {
1155   if (flags & TDF_RAW)
1156     dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S> >", gs,
1157                      gimple_omp_body (gs));
1158   else
1159     {
1160       pp_string (buffer, "#pragma omp critical");
1161       if (gimple_omp_critical_name (gs))
1162         {
1163           pp_string (buffer, " (");
1164           dump_generic_node (buffer, gimple_omp_critical_name (gs), spc,
1165                              flags, false);
1166           pp_character (buffer, ')');
1167         }
1168       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1169         {
1170           newline_and_indent (buffer, spc + 2);
1171           pp_character (buffer, '{');
1172           pp_newline (buffer);
1173           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1174           newline_and_indent (buffer, spc + 2);
1175           pp_character (buffer, '}');
1176         }
1177     }
1178 }
1179
1180 /* Dump a GIMPLE_OMP_RETURN tuple on the pretty_printer BUFFER.  */
1181
1182 static void
1183 dump_gimple_omp_return (pretty_printer *buffer, gimple gs, int spc, int flags)
1184 {
1185   if (flags & TDF_RAW)
1186     {
1187       dump_gimple_fmt (buffer, spc, flags, "%G <nowait=%d>", gs,
1188                        (int) gimple_omp_return_nowait_p (gs));
1189     }
1190   else
1191     {
1192       pp_string (buffer, "#pragma omp return");
1193       if (gimple_omp_return_nowait_p (gs))
1194         pp_string (buffer, "(nowait)");
1195     }
1196 }
1197
1198 /* Dump a GIMPLE_ASM tuple on the pretty_printer BUFFER, SPC spaces of
1199    indent.  FLAGS specifies details to show in the dump (see TDF_* in
1200    tree-pass.h).  */
1201
1202 static void
1203 dump_gimple_asm (pretty_printer *buffer, gimple gs, int spc, int flags)
1204 {
1205   unsigned int i, n, f, fields;
1206
1207   if (flags & TDF_RAW)
1208     {
1209       dump_gimple_fmt (buffer, spc, flags, "%G <%+STRING <%n%s%n>", gs,
1210                        gimple_asm_string (gs));
1211
1212       n = gimple_asm_noutputs (gs);
1213       if (n)
1214         {
1215           newline_and_indent (buffer, spc + 2);
1216           pp_string (buffer, "OUTPUT: ");
1217           for (i = 0; i < n; i++)
1218             {
1219               dump_generic_node (buffer, gimple_asm_output_op (gs, i),
1220                                  spc, flags, false);
1221               if (i < n - 1)
1222                 pp_string (buffer, ", ");
1223             }
1224         }
1225
1226       n = gimple_asm_ninputs (gs);
1227       if (n)
1228         {
1229           newline_and_indent (buffer, spc + 2);
1230           pp_string (buffer, "INPUT: ");
1231           for (i = 0; i < n; i++)
1232             {
1233               dump_generic_node (buffer, gimple_asm_input_op (gs, i),
1234                                  spc, flags, false);
1235               if (i < n - 1)
1236                 pp_string (buffer, ", ");
1237             }
1238         }
1239
1240       n = gimple_asm_nclobbers (gs);
1241       if (n)
1242         {
1243           newline_and_indent (buffer, spc + 2);
1244           pp_string (buffer, "CLOBBER: ");
1245           for (i = 0; i < n; i++)
1246             {
1247               dump_generic_node (buffer, gimple_asm_clobber_op (gs, i),
1248                                  spc, flags, false);
1249               if (i < n - 1)
1250                 pp_string (buffer, ", ");
1251             }
1252         }
1253
1254       n = gimple_asm_nlabels (gs);
1255       if (n)
1256         {
1257           newline_and_indent (buffer, spc + 2);
1258           pp_string (buffer, "LABEL: ");
1259           for (i = 0; i < n; i++)
1260             {
1261               dump_generic_node (buffer, gimple_asm_label_op (gs, i),
1262                                  spc, flags, false);
1263               if (i < n - 1)
1264                 pp_string (buffer, ", ");
1265             }
1266         }
1267
1268       newline_and_indent (buffer, spc);
1269       pp_character (buffer, '>');
1270     }
1271   else
1272     {
1273       pp_string (buffer, "__asm__");
1274       if (gimple_asm_volatile_p (gs))
1275         pp_string (buffer, " __volatile__");
1276       if (gimple_asm_nlabels (gs))
1277         pp_string (buffer, " goto");
1278       pp_string (buffer, "(\"");
1279       pp_string (buffer, gimple_asm_string (gs));
1280       pp_string (buffer, "\"");
1281
1282       if (gimple_asm_nlabels (gs))
1283         fields = 4;
1284       else if (gimple_asm_nclobbers (gs))
1285         fields = 3;
1286       else if (gimple_asm_ninputs (gs))
1287         fields = 2;
1288       else if (gimple_asm_noutputs (gs))
1289         fields = 1;
1290       else
1291         fields = 0;
1292
1293       for (f = 0; f < fields; ++f)
1294         {
1295           pp_string (buffer, " : ");
1296
1297           switch (f)
1298             {
1299             case 0:
1300               n = gimple_asm_noutputs (gs);
1301               for (i = 0; i < n; i++)
1302                 {
1303                   dump_generic_node (buffer, gimple_asm_output_op (gs, i),
1304                                      spc, flags, false);
1305                   if (i < n - 1)
1306                     pp_string (buffer, ", ");
1307                 }
1308               break;
1309
1310             case 1:
1311               n = gimple_asm_ninputs (gs);
1312               for (i = 0; i < n; i++)
1313                 {
1314                   dump_generic_node (buffer, gimple_asm_input_op (gs, i),
1315                                      spc, flags, false);
1316                   if (i < n - 1)
1317                     pp_string (buffer, ", ");
1318                 }
1319               break;
1320
1321             case 2:
1322               n = gimple_asm_nclobbers (gs);
1323               for (i = 0; i < n; i++)
1324                 {
1325                   dump_generic_node (buffer, gimple_asm_clobber_op (gs, i),
1326                                      spc, flags, false);
1327                   if (i < n - 1)
1328                     pp_string (buffer, ", ");
1329                 }
1330               break;
1331
1332             case 3:
1333               n = gimple_asm_nlabels (gs);
1334               for (i = 0; i < n; i++)
1335                 {
1336                   dump_generic_node (buffer, gimple_asm_label_op (gs, i),
1337                                      spc, flags, false);
1338                   if (i < n - 1)
1339                     pp_string (buffer, ", ");
1340                 }
1341               break;
1342
1343             default:
1344               gcc_unreachable ();
1345             }
1346         }
1347
1348       pp_string (buffer, ");");
1349     }
1350 }
1351
1352
1353 /* Dump a PHI node PHI.  BUFFER, SPC and FLAGS are as in
1354    dump_gimple_stmt.  */
1355
1356 static void
1357 dump_gimple_phi (pretty_printer *buffer, gimple phi, int spc, int flags)
1358 {
1359   size_t i;
1360   tree lhs = gimple_phi_result (phi);
1361
1362   if (flags & TDF_ALIAS
1363       && POINTER_TYPE_P (TREE_TYPE (lhs))
1364       && SSA_NAME_PTR_INFO (lhs))
1365     {
1366       struct ptr_info_def *pi = SSA_NAME_PTR_INFO (lhs);
1367       pp_string (buffer, "PT = ");
1368       pp_points_to_solution (buffer, &pi->pt);
1369       newline_and_indent (buffer, spc);
1370       if (pi->align != 1)
1371         pp_printf (buffer, "# ALIGN = %u, MISALIGN = %u",
1372                    pi->align, pi->misalign);
1373       newline_and_indent (buffer, spc);
1374       pp_string (buffer, "# ");
1375     }
1376
1377   if (flags & TDF_RAW)
1378       dump_gimple_fmt (buffer, spc, flags, "%G <%T, ", phi,
1379                        gimple_phi_result (phi));
1380   else
1381     {
1382       dump_generic_node (buffer, lhs, spc, flags, false);
1383       pp_string (buffer, " = PHI <");
1384     }
1385   for (i = 0; i < gimple_phi_num_args (phi); i++)
1386     {
1387       if ((flags & TDF_LINENO) && gimple_phi_arg_has_location (phi, i))
1388         {
1389           expanded_location xloc;
1390
1391           xloc = expand_location (gimple_phi_arg_location (phi, i));
1392           pp_character (buffer, '[');
1393           if (xloc.file)
1394             {
1395               pp_string (buffer, xloc.file);
1396               pp_string (buffer, " : ");
1397             }
1398           pp_decimal_int (buffer, xloc.line);
1399           pp_string (buffer, ":");
1400           pp_decimal_int (buffer, xloc.column);
1401           pp_string (buffer, "] ");
1402         }
1403       dump_generic_node (buffer, gimple_phi_arg_def (phi, i), spc, flags,
1404                          false);
1405       pp_character (buffer, '(');
1406       pp_decimal_int (buffer, gimple_phi_arg_edge (phi, i)->src->index);
1407       pp_character (buffer, ')');
1408       if (i < gimple_phi_num_args (phi) - 1)
1409         pp_string (buffer, ", ");
1410     }
1411   pp_character (buffer, '>');
1412 }
1413
1414
1415 /* Dump a GIMPLE_OMP_PARALLEL tuple on the pretty_printer BUFFER, SPC spaces
1416    of indent.  FLAGS specifies details to show in the dump (see TDF_* in
1417    tree-pass.h).  */
1418
1419 static void
1420 dump_gimple_omp_parallel (pretty_printer *buffer, gimple gs, int spc,
1421                           int flags)
1422 {
1423   if (flags & TDF_RAW)
1424     {
1425       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1426                        gimple_omp_body (gs));
1427       dump_omp_clauses (buffer, gimple_omp_parallel_clauses (gs), spc, flags);
1428       dump_gimple_fmt (buffer, spc, flags, " >, %T, %T%n>",
1429                        gimple_omp_parallel_child_fn (gs),
1430                        gimple_omp_parallel_data_arg (gs));
1431     }
1432   else
1433     {
1434       gimple_seq body;
1435       pp_string (buffer, "#pragma omp parallel");
1436       dump_omp_clauses (buffer, gimple_omp_parallel_clauses (gs), spc, flags);
1437       if (gimple_omp_parallel_child_fn (gs))
1438         {
1439           pp_string (buffer, " [child fn: ");
1440           dump_generic_node (buffer, gimple_omp_parallel_child_fn (gs),
1441                              spc, flags, false);
1442           pp_string (buffer, " (");
1443           if (gimple_omp_parallel_data_arg (gs))
1444             dump_generic_node (buffer, gimple_omp_parallel_data_arg (gs),
1445                                spc, flags, false);
1446           else
1447             pp_string (buffer, "???");
1448           pp_string (buffer, ")]");
1449         }
1450       body = gimple_omp_body (gs);
1451       if (body && gimple_code (gimple_seq_first_stmt (body)) != GIMPLE_BIND)
1452         {
1453           newline_and_indent (buffer, spc + 2);
1454           pp_character (buffer, '{');
1455           pp_newline (buffer);
1456           dump_gimple_seq (buffer, body, spc + 4, flags);
1457           newline_and_indent (buffer, spc + 2);
1458           pp_character (buffer, '}');
1459         }
1460       else if (body)
1461         {
1462           pp_newline (buffer);
1463           dump_gimple_seq (buffer, body, spc + 2, flags);
1464         }
1465     }
1466 }
1467
1468
1469 /* Dump a GIMPLE_OMP_TASK tuple on the pretty_printer BUFFER, SPC spaces
1470    of indent.  FLAGS specifies details to show in the dump (see TDF_* in
1471    tree-pass.h).  */
1472
1473 static void
1474 dump_gimple_omp_task (pretty_printer *buffer, gimple gs, int spc,
1475                       int flags)
1476 {
1477   if (flags & TDF_RAW)
1478     {
1479       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1480                        gimple_omp_body (gs));
1481       dump_omp_clauses (buffer, gimple_omp_task_clauses (gs), spc, flags);
1482       dump_gimple_fmt (buffer, spc, flags, " >, %T, %T, %T, %T, %T%n>",
1483                        gimple_omp_task_child_fn (gs),
1484                        gimple_omp_task_data_arg (gs),
1485                        gimple_omp_task_copy_fn (gs),
1486                        gimple_omp_task_arg_size (gs),
1487                        gimple_omp_task_arg_size (gs));
1488     }
1489   else
1490     {
1491       gimple_seq body;
1492       pp_string (buffer, "#pragma omp task");
1493       dump_omp_clauses (buffer, gimple_omp_task_clauses (gs), spc, flags);
1494       if (gimple_omp_task_child_fn (gs))
1495         {
1496           pp_string (buffer, " [child fn: ");
1497           dump_generic_node (buffer, gimple_omp_task_child_fn (gs),
1498                              spc, flags, false);
1499           pp_string (buffer, " (");
1500           if (gimple_omp_task_data_arg (gs))
1501             dump_generic_node (buffer, gimple_omp_task_data_arg (gs),
1502                                spc, flags, false);
1503           else
1504             pp_string (buffer, "???");
1505           pp_string (buffer, ")]");
1506         }
1507       body = gimple_omp_body (gs);
1508       if (body && gimple_code (gimple_seq_first_stmt (body)) != GIMPLE_BIND)
1509         {
1510           newline_and_indent (buffer, spc + 2);
1511           pp_character (buffer, '{');
1512           pp_newline (buffer);
1513           dump_gimple_seq (buffer, body, spc + 4, flags);
1514           newline_and_indent (buffer, spc + 2);
1515           pp_character (buffer, '}');
1516         }
1517       else if (body)
1518         {
1519           pp_newline (buffer);
1520           dump_gimple_seq (buffer, body, spc + 2, flags);
1521         }
1522     }
1523 }
1524
1525
1526 /* Dump a GIMPLE_OMP_ATOMIC_LOAD tuple on the pretty_printer BUFFER, SPC
1527    spaces of indent.  FLAGS specifies details to show in the dump (see TDF_*
1528    in tree-pass.h).  */
1529
1530 static void
1531 dump_gimple_omp_atomic_load (pretty_printer *buffer, gimple gs, int spc,
1532                              int flags)
1533 {
1534   if (flags & TDF_RAW)
1535     {
1536       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T>", gs,
1537                        gimple_omp_atomic_load_lhs (gs),
1538                        gimple_omp_atomic_load_rhs (gs));
1539     }
1540   else
1541     {
1542       pp_string (buffer, "#pragma omp atomic_load");
1543       newline_and_indent (buffer, spc + 2);
1544       dump_generic_node (buffer, gimple_omp_atomic_load_lhs (gs),
1545                          spc, flags, false);
1546       pp_space (buffer);
1547       pp_character (buffer, '=');
1548       pp_space (buffer);
1549       pp_character (buffer, '*');
1550       dump_generic_node (buffer, gimple_omp_atomic_load_rhs (gs),
1551                          spc, flags, false);
1552     }
1553 }
1554
1555 /* Dump a GIMPLE_OMP_ATOMIC_STORE tuple on the pretty_printer BUFFER, SPC
1556    spaces of indent.  FLAGS specifies details to show in the dump (see TDF_*
1557    in tree-pass.h).  */
1558
1559 static void
1560 dump_gimple_omp_atomic_store (pretty_printer *buffer, gimple gs, int spc,
1561                              int flags)
1562 {
1563   if (flags & TDF_RAW)
1564     {
1565       dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs,
1566                        gimple_omp_atomic_store_val (gs));
1567     }
1568   else
1569     {
1570       pp_string (buffer, "#pragma omp atomic_store (");
1571       dump_generic_node (buffer, gimple_omp_atomic_store_val (gs),
1572                          spc, flags, false);
1573       pp_character (buffer, ')');
1574     }
1575 }
1576
1577
1578 /* Dump all the memory operands for statement GS.  BUFFER, SPC and
1579    FLAGS are as in dump_gimple_stmt.  */
1580
1581 static void
1582 dump_gimple_mem_ops (pretty_printer *buffer, gimple gs, int spc, int flags)
1583 {
1584   tree vdef = gimple_vdef (gs);
1585   tree vuse = gimple_vuse (gs);
1586
1587   if (!ssa_operands_active () || !gimple_references_memory_p (gs))
1588     return;
1589
1590   if (vdef != NULL_TREE)
1591     {
1592       pp_string (buffer, "# ");
1593       dump_generic_node (buffer, vdef, spc + 2, flags, false);
1594       pp_string (buffer, " = VDEF <");
1595       dump_generic_node (buffer, vuse, spc + 2, flags, false);
1596       pp_character (buffer, '>');
1597       newline_and_indent (buffer, spc);
1598     }
1599   else if (vuse != NULL_TREE)
1600     {
1601       pp_string (buffer, "# VUSE <");
1602       dump_generic_node (buffer, vuse, spc + 2, flags, false);
1603       pp_character (buffer, '>');
1604       newline_and_indent (buffer, spc);
1605     }
1606 }
1607
1608
1609 /* Dump the gimple statement GS on the pretty printer BUFFER, SPC
1610    spaces of indent.  FLAGS specifies details to show in the dump (see
1611    TDF_* in tree-pass.h).  */
1612
1613 void
1614 dump_gimple_stmt (pretty_printer *buffer, gimple gs, int spc, int flags)
1615 {
1616   if (!gs)
1617     return;
1618
1619   if (flags & TDF_STMTADDR)
1620     pp_printf (buffer, "<&%p> ", (void *) gs);
1621
1622   if ((flags & TDF_LINENO) && gimple_has_location (gs))
1623     {
1624       expanded_location xloc = expand_location (gimple_location (gs));
1625       pp_character (buffer, '[');
1626       if (xloc.file)
1627         {
1628           pp_string (buffer, xloc.file);
1629           pp_string (buffer, " : ");
1630         }
1631       pp_decimal_int (buffer, xloc.line);
1632       pp_string (buffer, ":");
1633       pp_decimal_int (buffer, xloc.column);
1634       pp_string (buffer, "] ");
1635     }
1636
1637   if (flags & TDF_EH)
1638     {
1639       int lp_nr = lookup_stmt_eh_lp (gs);
1640       if (lp_nr > 0)
1641         pp_printf (buffer, "[LP %d] ", lp_nr);
1642       else if (lp_nr < 0)
1643         pp_printf (buffer, "[MNT %d] ", -lp_nr);
1644     }
1645
1646   if ((flags & (TDF_VOPS|TDF_MEMSYMS))
1647       && gimple_has_mem_ops (gs))
1648     dump_gimple_mem_ops (buffer, gs, spc, flags);
1649
1650   if ((flags & TDF_ALIAS)
1651       && gimple_has_lhs (gs))
1652     {
1653       tree lhs = gimple_get_lhs (gs);
1654       if (TREE_CODE (lhs) == SSA_NAME
1655           && POINTER_TYPE_P (TREE_TYPE (lhs))
1656           && SSA_NAME_PTR_INFO (lhs))
1657         {
1658           struct ptr_info_def *pi = SSA_NAME_PTR_INFO (lhs);
1659           pp_string (buffer, "# PT = ");
1660           pp_points_to_solution (buffer, &pi->pt);
1661           newline_and_indent (buffer, spc);
1662           if (pi->align != 1)
1663             {
1664               pp_printf (buffer, "# ALIGN = %u, MISALIGN = %u",
1665                          pi->align, pi->misalign);
1666               newline_and_indent (buffer, spc);
1667             }
1668         }
1669     }
1670
1671   switch (gimple_code (gs))
1672     {
1673     case GIMPLE_ASM:
1674       dump_gimple_asm (buffer, gs, spc, flags);
1675       break;
1676
1677     case GIMPLE_ASSIGN:
1678       dump_gimple_assign (buffer, gs, spc, flags);
1679       break;
1680
1681     case GIMPLE_BIND:
1682       dump_gimple_bind (buffer, gs, spc, flags);
1683       break;
1684
1685     case GIMPLE_CALL:
1686       dump_gimple_call (buffer, gs, spc, flags);
1687       break;
1688
1689     case GIMPLE_COND:
1690       dump_gimple_cond (buffer, gs, spc, flags);
1691       break;
1692
1693     case GIMPLE_LABEL:
1694       dump_gimple_label (buffer, gs, spc, flags);
1695       break;
1696
1697     case GIMPLE_GOTO:
1698       dump_gimple_goto (buffer, gs, spc, flags);
1699       break;
1700
1701     case GIMPLE_NOP:
1702       pp_string (buffer, "GIMPLE_NOP");
1703       break;
1704
1705     case GIMPLE_RETURN:
1706       dump_gimple_return (buffer, gs, spc, flags);
1707       break;
1708
1709     case GIMPLE_SWITCH:
1710       dump_gimple_switch (buffer, gs, spc, flags);
1711       break;
1712
1713     case GIMPLE_TRY:
1714       dump_gimple_try (buffer, gs, spc, flags);
1715       break;
1716
1717     case GIMPLE_PHI:
1718       dump_gimple_phi (buffer, gs, spc, flags);
1719       break;
1720
1721     case GIMPLE_OMP_PARALLEL:
1722       dump_gimple_omp_parallel (buffer, gs, spc, flags);
1723       break;
1724
1725     case GIMPLE_OMP_TASK:
1726       dump_gimple_omp_task (buffer, gs, spc, flags);
1727       break;
1728
1729     case GIMPLE_OMP_ATOMIC_LOAD:
1730       dump_gimple_omp_atomic_load (buffer, gs, spc, flags);
1731
1732       break;
1733
1734     case GIMPLE_OMP_ATOMIC_STORE:
1735       dump_gimple_omp_atomic_store (buffer, gs, spc, flags);
1736       break;
1737
1738     case GIMPLE_OMP_FOR:
1739       dump_gimple_omp_for (buffer, gs, spc, flags);
1740       break;
1741
1742     case GIMPLE_OMP_CONTINUE:
1743       dump_gimple_omp_continue (buffer, gs, spc, flags);
1744       break;
1745
1746     case GIMPLE_OMP_SINGLE:
1747       dump_gimple_omp_single (buffer, gs, spc, flags);
1748       break;
1749
1750     case GIMPLE_OMP_RETURN:
1751       dump_gimple_omp_return (buffer, gs, spc, flags);
1752       break;
1753
1754     case GIMPLE_OMP_SECTIONS:
1755       dump_gimple_omp_sections (buffer, gs, spc, flags);
1756       break;
1757
1758     case GIMPLE_OMP_SECTIONS_SWITCH:
1759       pp_string (buffer, "GIMPLE_SECTIONS_SWITCH");
1760       break;
1761
1762     case GIMPLE_OMP_MASTER:
1763     case GIMPLE_OMP_ORDERED:
1764     case GIMPLE_OMP_SECTION:
1765       dump_gimple_omp_block (buffer, gs, spc, flags);
1766       break;
1767
1768     case GIMPLE_OMP_CRITICAL:
1769       dump_gimple_omp_critical (buffer, gs, spc, flags);
1770       break;
1771
1772     case GIMPLE_CATCH:
1773       dump_gimple_catch (buffer, gs, spc, flags);
1774       break;
1775
1776     case GIMPLE_EH_FILTER:
1777       dump_gimple_eh_filter (buffer, gs, spc, flags);
1778       break;
1779
1780     case GIMPLE_EH_MUST_NOT_THROW:
1781       dump_gimple_eh_must_not_throw (buffer, gs, spc, flags);
1782       break;
1783
1784     case GIMPLE_RESX:
1785       dump_gimple_resx (buffer, gs, spc, flags);
1786       break;
1787
1788     case GIMPLE_EH_DISPATCH:
1789       dump_gimple_eh_dispatch (buffer, gs, spc, flags);
1790       break;
1791
1792     case GIMPLE_DEBUG:
1793       dump_gimple_debug (buffer, gs, spc, flags);
1794       break;
1795
1796     case GIMPLE_PREDICT:
1797       pp_string (buffer, "// predicted ");
1798       if (gimple_predict_outcome (gs))
1799         pp_string (buffer, "likely by ");
1800       else
1801         pp_string (buffer, "unlikely by ");
1802       pp_string (buffer, predictor_name (gimple_predict_predictor (gs)));
1803       pp_string (buffer, " predictor.");
1804       break;
1805
1806     default:
1807       GIMPLE_NIY;
1808     }
1809
1810   /* If we're building a diagnostic, the formatted text will be
1811      written into BUFFER's stream by the caller; otherwise, write it
1812      now.  */
1813   if (!(flags & TDF_DIAGNOSTIC))
1814     pp_write_text_to_stream (buffer);
1815 }
1816
1817
1818 /* Dumps header of basic block BB to buffer BUFFER indented by INDENT
1819    spaces and details described by flags.  */
1820
1821 static void
1822 dump_bb_header (pretty_printer *buffer, basic_block bb, int indent, int flags)
1823 {
1824   edge e;
1825   gimple stmt;
1826   edge_iterator ei;
1827
1828   if (flags & TDF_BLOCKS)
1829     {
1830       INDENT (indent);
1831       pp_string (buffer, "# BLOCK ");
1832       pp_decimal_int (buffer, bb->index);
1833       if (bb->frequency)
1834         {
1835           pp_string (buffer, " freq:");
1836           pp_decimal_int (buffer, bb->frequency);
1837         }
1838       if (bb->count)
1839         {
1840           pp_string (buffer, " count:");
1841           pp_widest_integer (buffer, bb->count);
1842         }
1843
1844       if (flags & TDF_LINENO)
1845         {
1846           gimple_stmt_iterator gsi;
1847
1848           for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
1849             if (!is_gimple_debug (gsi_stmt (gsi))
1850                 && get_lineno (gsi_stmt (gsi)) != UNKNOWN_LOCATION)
1851               {
1852                 pp_string (buffer, ", starting at line ");
1853                 pp_decimal_int (buffer, get_lineno (gsi_stmt (gsi)));
1854                 break;
1855               }
1856
1857           if (bb->discriminator)
1858             {
1859               pp_string (buffer, ", discriminator ");
1860               pp_decimal_int (buffer, bb->discriminator);
1861             }
1862         }
1863       newline_and_indent (buffer, indent);
1864
1865       pp_string (buffer, "# PRED:");
1866       pp_write_text_to_stream (buffer);
1867       FOR_EACH_EDGE (e, ei, bb->preds)
1868         if (flags & TDF_SLIM)
1869           {
1870             pp_character (buffer, ' ');
1871             if (e->src == ENTRY_BLOCK_PTR)
1872               pp_string (buffer, "ENTRY");
1873             else
1874               pp_decimal_int (buffer, e->src->index);
1875           }
1876         else
1877           dump_edge_info (buffer->buffer->stream, e, 0);
1878       pp_newline (buffer);
1879     }
1880   else
1881     {
1882       stmt = first_stmt (bb);
1883       if (!stmt || gimple_code (stmt) != GIMPLE_LABEL)
1884         {
1885           INDENT (indent - 2);
1886           pp_string (buffer, "<bb ");
1887           pp_decimal_int (buffer, bb->index);
1888           pp_string (buffer, ">:");
1889           pp_newline (buffer);
1890         }
1891     }
1892   pp_write_text_to_stream (buffer);
1893   check_bb_profile (bb, buffer->buffer->stream);
1894 }
1895
1896
1897 /* Dumps end of basic block BB to buffer BUFFER indented by INDENT
1898    spaces.  */
1899
1900 static void
1901 dump_bb_end (pretty_printer *buffer, basic_block bb, int indent, int flags)
1902 {
1903   edge e;
1904   edge_iterator ei;
1905
1906   INDENT (indent);
1907   pp_string (buffer, "# SUCC:");
1908   pp_write_text_to_stream (buffer);
1909   FOR_EACH_EDGE (e, ei, bb->succs)
1910     if (flags & TDF_SLIM)
1911       {
1912         pp_character (buffer, ' ');
1913         if (e->dest == EXIT_BLOCK_PTR)
1914           pp_string (buffer, "EXIT");
1915         else
1916           pp_decimal_int (buffer, e->dest->index);
1917       }
1918     else
1919       dump_edge_info (buffer->buffer->stream, e, 1);
1920   pp_newline (buffer);
1921 }
1922
1923
1924 /* Dump PHI nodes of basic block BB to BUFFER with details described
1925    by FLAGS and indented by INDENT spaces.  */
1926
1927 static void
1928 dump_phi_nodes (pretty_printer *buffer, basic_block bb, int indent, int flags)
1929 {
1930   gimple_stmt_iterator i;
1931
1932   for (i = gsi_start_phis (bb); !gsi_end_p (i); gsi_next (&i))
1933     {
1934       gimple phi = gsi_stmt (i);
1935       if (is_gimple_reg (gimple_phi_result (phi)) || (flags & TDF_VOPS))
1936         {
1937           INDENT (indent);
1938           pp_string (buffer, "# ");
1939           dump_gimple_phi (buffer, phi, indent, flags);
1940           pp_newline (buffer);
1941         }
1942     }
1943 }
1944
1945
1946 /* Dump jump to basic block BB that is represented implicitly in the cfg
1947    to BUFFER.  */
1948
1949 static void
1950 pp_cfg_jump (pretty_printer *buffer, basic_block bb)
1951 {
1952   gimple stmt;
1953
1954   stmt = first_stmt (bb);
1955
1956   pp_string (buffer, "goto <bb ");
1957   pp_decimal_int (buffer, bb->index);
1958   pp_character (buffer, '>');
1959   if (stmt && gimple_code (stmt) == GIMPLE_LABEL)
1960     {
1961       pp_string (buffer, " (");
1962       dump_generic_node (buffer, gimple_label_label (stmt), 0, 0, false);
1963       pp_character (buffer, ')');
1964       pp_semicolon (buffer);
1965     }
1966   else
1967     pp_semicolon (buffer);
1968 }
1969
1970
1971 /* Dump edges represented implicitly in basic block BB to BUFFER, indented
1972    by INDENT spaces, with details given by FLAGS.  */
1973
1974 static void
1975 dump_implicit_edges (pretty_printer *buffer, basic_block bb, int indent,
1976                      int flags)
1977 {
1978   edge e;
1979   edge_iterator ei;
1980   gimple stmt;
1981
1982   stmt = last_stmt (bb);
1983
1984   if (stmt && gimple_code (stmt) == GIMPLE_COND)
1985     {
1986       edge true_edge, false_edge;
1987
1988       /* When we are emitting the code or changing CFG, it is possible that
1989          the edges are not yet created.  When we are using debug_bb in such
1990          a situation, we do not want it to crash.  */
1991       if (EDGE_COUNT (bb->succs) != 2)
1992         return;
1993       extract_true_false_edges_from_block (bb, &true_edge, &false_edge);
1994
1995       INDENT (indent + 2);
1996       pp_cfg_jump (buffer, true_edge->dest);
1997       newline_and_indent (buffer, indent);
1998       pp_string (buffer, "else");
1999       newline_and_indent (buffer, indent + 2);
2000       pp_cfg_jump (buffer, false_edge->dest);
2001       pp_newline (buffer);
2002       return;
2003     }
2004
2005   /* If there is a fallthru edge, we may need to add an artificial
2006      goto to the dump.  */
2007   FOR_EACH_EDGE (e, ei, bb->succs)
2008     if (e->flags & EDGE_FALLTHRU)
2009       break;
2010
2011   if (e && e->dest != bb->next_bb)
2012     {
2013       INDENT (indent);
2014
2015       if ((flags & TDF_LINENO)
2016           && e->goto_locus != UNKNOWN_LOCATION
2017           )
2018         {
2019           expanded_location goto_xloc;
2020           goto_xloc = expand_location (e->goto_locus);
2021           pp_character (buffer, '[');
2022           if (goto_xloc.file)
2023             {
2024               pp_string (buffer, goto_xloc.file);
2025               pp_string (buffer, " : ");
2026             }
2027           pp_decimal_int (buffer, goto_xloc.line);
2028           pp_string (buffer, " : ");
2029           pp_decimal_int (buffer, goto_xloc.column);
2030           pp_string (buffer, "] ");
2031         }
2032
2033       pp_cfg_jump (buffer, e->dest);
2034       pp_newline (buffer);
2035     }
2036 }
2037
2038
2039 /* Dumps basic block BB to buffer BUFFER with details described by FLAGS and
2040    indented by INDENT spaces.  */
2041
2042 static void
2043 gimple_dump_bb_buff (pretty_printer *buffer, basic_block bb, int indent,
2044                      int flags)
2045 {
2046   gimple_stmt_iterator gsi;
2047   gimple stmt;
2048   int label_indent = indent - 2;
2049
2050   if (label_indent < 0)
2051     label_indent = 0;
2052
2053   dump_bb_header (buffer, bb, indent, flags);
2054   dump_phi_nodes (buffer, bb, indent, flags);
2055
2056   for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
2057     {
2058       int curr_indent;
2059
2060       stmt = gsi_stmt (gsi);
2061
2062       curr_indent = gimple_code (stmt) == GIMPLE_LABEL ? label_indent : indent;
2063
2064       INDENT (curr_indent);
2065       dump_gimple_stmt (buffer, stmt, curr_indent, flags);
2066       pp_newline (buffer);
2067       dump_histograms_for_stmt (cfun, buffer->buffer->stream, stmt);
2068     }
2069
2070   dump_implicit_edges (buffer, bb, indent, flags);
2071
2072   if (flags & TDF_BLOCKS)
2073     dump_bb_end (buffer, bb, indent, flags);
2074 }
2075
2076
2077 /* Dumps basic block BB to FILE with details described by FLAGS and
2078    indented by INDENT spaces.  */
2079
2080 void
2081 gimple_dump_bb (basic_block bb, FILE *file, int indent, int flags)
2082 {
2083   maybe_init_pretty_print (file);
2084   gimple_dump_bb_buff (&buffer, bb, indent, flags);
2085   pp_flush (&buffer);
2086 }