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