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 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 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
 381 /* Dump the gimple assignment GS.  BUFFER, SPC and FLAGS are as in
 382    dump_gimple_stmt.  */
 383
 384 static void
 385 dump_gimple_assign (pretty_printer *buffer, gimple gs, int spc, int flags)
 386 {
 387   if (flags & TDF_RAW)
 388     {
 389       tree last;
 390       if (gimple_num_ops (gs) == 2)
 391         last = NULL_TREE;
 392       else if (gimple_num_ops (gs) == 3)
 393         last = gimple_assign_rhs2 (gs);
 394       else
 395         gcc_unreachable ();
 396
 397       dump_gimple_fmt (buffer, spc, flags, "%G <%s, %T, %T, %T>", gs,
 398                        tree_code_name[gimple_assign_rhs_code (gs)],
 399                        gimple_assign_lhs (gs), gimple_assign_rhs1 (gs), last);
 400     }
 401   else
 402     {
 403       if (!(flags & TDF_RHS_ONLY))
 404         {
 405           dump_generic_node (buffer, gimple_assign_lhs (gs), spc, flags, false);
 406           pp_space (buffer);
 407           pp_character (buffer, '=');
 408
 409           if (gimple_assign_nontemporal_move_p (gs))
 410             pp_string (buffer, "{nt}");
 411
 412           if (gimple_has_volatile_ops (gs))
 413             pp_string (buffer, "{v}");
 414
 415           pp_space (buffer);
 416         }
 417
 418       if (gimple_num_ops (gs) == 2)
 419         dump_unary_rhs (buffer, gs, spc, flags);
 420       else if (gimple_num_ops (gs) == 3)
 421         dump_binary_rhs (buffer, gs, spc, flags);
 422       else
 423         gcc_unreachable ();
 424       if (!(flags & TDF_RHS_ONLY))
 425         pp_semicolon(buffer);
 426     }
 427 }
 428
 429
 430 /* Dump the return statement GS.  BUFFER, SPC and FLAGS are as in
 431    dump_gimple_stmt.  */
 432
 433 static void
 434 dump_gimple_return (pretty_printer *buffer, gimple gs, int spc, int flags)
 435 {
 436   tree t;
 437
 438   t = gimple_return_retval (gs);
 439   if (flags & TDF_RAW)
 440     dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs, t);
 441   else
 442     {
 443       pp_string (buffer, "return");
 444       if (t)
 445         {
 446           pp_space (buffer);
 447           dump_generic_node (buffer, t, spc, flags, false);
 448         }
 449       pp_semicolon (buffer);
 450     }
 451 }
 452
 453
 454 /* Dump the call arguments for a gimple call. BUFFER, FLAGS are as in
 455    dump_gimple_call.  */
 456
 457 static void
 458 dump_gimple_call_args (pretty_printer *buffer, gimple gs, int flags)
 459 {
 460   size_t i;
 461
 462   for (i = 0; i < gimple_call_num_args (gs); i++)
 463     {
 464       dump_generic_node (buffer, gimple_call_arg (gs, i), 0, flags, false);
 465       if (i < gimple_call_num_args (gs) - 1)
 466         pp_string (buffer, ", ");
 467     }
 468
 469   if (gimple_call_va_arg_pack_p (gs))
 470     {
 471       if (gimple_call_num_args (gs) > 0)
 472         {
 473           pp_character (buffer, ',');
 474           pp_space (buffer);
 475         }
 476
 477       pp_string (buffer, "__builtin_va_arg_pack ()");
 478     }
 479 }
 480
 481 /* Dump the points-to solution *PT to BUFFER.  */
 482
 483 static void
 484 pp_points_to_solution (pretty_printer *buffer, struct pt_solution *pt)
 485 {
 486   if (pt->anything)
 487     {
 488       pp_string (buffer, "anything ");
 489       return;
 490     }
 491   if (pt->nonlocal)
 492     pp_string (buffer, "nonlocal ");
 493   if (pt->escaped)
 494     pp_string (buffer, "escaped ");
 495   if (pt->ipa_escaped)
 496     pp_string (buffer, "unit-escaped ");
 497   if (pt->null)
 498     pp_string (buffer, "null ");
 499   if (pt->vars
 500       && !bitmap_empty_p (pt->vars))
 501     {
 502       bitmap_iterator bi;
 503       unsigned i;
 504       pp_string (buffer, "{ ");
 505       EXECUTE_IF_SET_IN_BITMAP (pt->vars, 0, i, bi)
 506         {
 507           struct tree_decl_minimal in;
 508           tree var;
 509           in.uid = i;
 510           var = (tree) htab_find_with_hash (gimple_referenced_vars (cfun),
 511                                             &in, i);
 512           if (var)
 513             {
 514               dump_generic_node (buffer, var, 0, dump_flags, false);
 515               if (DECL_PT_UID (var) != DECL_UID (var))
 516                 {
 517                   pp_string (buffer, "ptD.");
 518                   pp_decimal_int (buffer, DECL_PT_UID (var));
 519                 }
 520             }
 521           else
 522             {
 523               pp_string (buffer, "D.");
 524               pp_decimal_int (buffer, i);
 525             }
 526           pp_character (buffer, ' ');
 527         }
 528       pp_character (buffer, '}');
 529       if (pt->vars_contains_global)
 530         pp_string (buffer, " (glob)");
 531       if (pt->vars_contains_restrict)
 532         pp_string (buffer, " (restr)");
 533     }
 534 }
 535
 536 /* Dump the call statement GS.  BUFFER, SPC and FLAGS are as in
 537    dump_gimple_stmt.  */
 538
 539 static void
 540 dump_gimple_call (pretty_printer *buffer, gimple gs, int spc, int flags)
 541 {
 542   tree lhs = gimple_call_lhs (gs);
 543
 544   if (flags & TDF_ALIAS)
 545     {
 546       struct pt_solution *pt;
 547       pt = gimple_call_use_set (gs);
 548       if (!pt_solution_empty_p (pt))
 549         {
 550           pp_string (buffer, "# USE = ");
 551           pp_points_to_solution (buffer, pt);
 552           newline_and_indent (buffer, spc);
 553         }
 554       pt = gimple_call_clobber_set (gs);
 555       if (!pt_solution_empty_p (pt))
 556         {
 557           pp_string (buffer, "# CLB = ");
 558           pp_points_to_solution (buffer, pt);
 559           newline_and_indent (buffer, spc);
 560         }
 561     }
 562
 563   if (flags & TDF_RAW)
 564     {
 565       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T",
 566                      gs, gimple_call_fn (gs), lhs);
 567       if (gimple_call_num_args (gs) > 0)
 568         {
 569           pp_string (buffer, ", ");
 570           dump_gimple_call_args (buffer, gs, flags);
 571         }
 572       pp_character (buffer, '>');
 573     }
 574   else
 575     {
 576       if (lhs && !(flags & TDF_RHS_ONLY))
 577         {
 578           dump_generic_node (buffer, lhs, spc, flags, false);
 579           pp_string (buffer, " =");
 580
 581           if (gimple_has_volatile_ops (gs))
 582             pp_string (buffer, "{v}");
 583
 584           pp_space (buffer);
 585         }
 586       print_call_name (buffer, gimple_call_fn (gs), flags);
 587       pp_string (buffer, " (");
 588       dump_gimple_call_args (buffer, gs, flags);
 589       pp_character (buffer, ')');
 590       if (!(flags & TDF_RHS_ONLY))
 591         pp_semicolon (buffer);
 592     }
 593
 594   if (gimple_call_chain (gs))
 595     {
 596       pp_string (buffer, " [static-chain: ");
 597       dump_generic_node (buffer, gimple_call_chain (gs), spc, flags, false);
 598       pp_character (buffer, ']');
 599     }
 600
 601   if (gimple_call_return_slot_opt_p (gs))
 602     pp_string (buffer, " [return slot optimization]");
 603
 604   if (gimple_call_tail_p (gs))
 605     pp_string (buffer, " [tail call]");
 606 }
 607
 608
 609 /* Dump the switch statement GS.  BUFFER, SPC and FLAGS are as in
 610    dump_gimple_stmt.  */
 611
 612 static void
 613 dump_gimple_switch (pretty_printer *buffer, gimple gs, int spc, int flags)
 614 {
 615   unsigned int i;
 616
 617   GIMPLE_CHECK (gs, GIMPLE_SWITCH);
 618   if (flags & TDF_RAW)
 619     dump_gimple_fmt (buffer, spc, flags, "%G <%T, ", gs,
 620                    gimple_switch_index (gs));
 621   else
 622     {
 623       pp_string (buffer, "switch (");
 624       dump_generic_node (buffer, gimple_switch_index (gs), spc, flags, true);
 625       pp_string (buffer, ") <");
 626     }
 627
 628   for (i = 0; i < gimple_switch_num_labels (gs); i++)
 629     {
 630       tree case_label = gimple_switch_label (gs, i);
 631       if (case_label == NULL_TREE)
 632         continue;
 633
 634       dump_generic_node (buffer, case_label, spc, flags, false);
 635       pp_character (buffer, ' ');
 636       dump_generic_node (buffer, CASE_LABEL (case_label), spc, flags, false);
 637       if (i < gimple_switch_num_labels (gs) - 1)
 638         pp_string (buffer, ", ");
 639     }
 640   pp_character (buffer, '>');
 641 }
 642
 643
 644 /* Dump the gimple conditional GS.  BUFFER, SPC and FLAGS are as in
 645    dump_gimple_stmt.  */
 646
 647 static void
 648 dump_gimple_cond (pretty_printer *buffer, gimple gs, int spc, int flags)
 649 {
 650   if (flags & TDF_RAW)
 651     dump_gimple_fmt (buffer, spc, flags, "%G <%s, %T, %T, %T, %T>", gs,
 652                    tree_code_name [gimple_cond_code (gs)],
 653                    gimple_cond_lhs (gs), gimple_cond_rhs (gs),
 654                    gimple_cond_true_label (gs), gimple_cond_false_label (gs));
 655   else
 656     {
 657       if (!(flags & TDF_RHS_ONLY))
 658         pp_string (buffer, "if (");
 659       dump_generic_node (buffer, gimple_cond_lhs (gs), spc, flags, false);
 660       pp_space (buffer);
 661       pp_string (buffer, op_symbol_code (gimple_cond_code (gs)));
 662       pp_space (buffer);
 663       dump_generic_node (buffer, gimple_cond_rhs (gs), spc, flags, false);
 664       if (!(flags & TDF_RHS_ONLY))
 665         {
 666           pp_character (buffer, ')');
 667
 668           if (gimple_cond_true_label (gs))
 669             {
 670               pp_string (buffer, " goto ");
 671               dump_generic_node (buffer, gimple_cond_true_label (gs),
 672                                  spc, flags, false);
 673               pp_semicolon (buffer);
 674             }
 675           if (gimple_cond_false_label (gs))
 676             {
 677               pp_string (buffer, " else goto ");
 678               dump_generic_node (buffer, gimple_cond_false_label (gs),
 679                                  spc, flags, false);
 680               pp_semicolon (buffer);
 681             }
 682         }
 683     }
 684 }
 685
 686
 687 /* Dump a GIMPLE_LABEL tuple on the pretty_printer BUFFER, SPC
 688    spaces of indent.  FLAGS specifies details to show in the dump (see
 689    TDF_* in tree-pass.h).  */
 690
 691 static void
 692 dump_gimple_label (pretty_printer *buffer, gimple gs, int spc, int flags)
 693 {
 694   tree label = gimple_label_label (gs);
 695   if (flags & TDF_RAW)
 696       dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs, label);
 697   else
 698     {
 699       dump_generic_node (buffer, label, spc, flags, false);
 700       pp_character (buffer, ':');
 701     }
 702   if (DECL_NONLOCAL (label))
 703     pp_string (buffer, " [non-local]");
 704   if ((flags & TDF_EH) && EH_LANDING_PAD_NR (label))
 705     pp_printf (buffer, " [LP %d]", EH_LANDING_PAD_NR (label));
 706 }
 707
 708 /* Dump a GIMPLE_GOTO tuple on the pretty_printer BUFFER, SPC
 709    spaces of indent.  FLAGS specifies details to show in the dump (see
 710    TDF_* in tree-pass.h).  */
 711
 712 static void
 713 dump_gimple_goto (pretty_printer *buffer, gimple gs, int spc, int flags)
 714 {
 715   tree label = gimple_goto_dest (gs);
 716   if (flags & TDF_RAW)
 717     dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs, label);
 718   else
 719     dump_gimple_fmt (buffer, spc, flags, "goto %T;", label);
 720 }
 721
 722
 723 /* Dump a GIMPLE_BIND tuple on the pretty_printer BUFFER, SPC
 724    spaces of indent.  FLAGS specifies details to show in the dump (see
 725    TDF_* in tree-pass.h).  */
 726
 727 static void
 728 dump_gimple_bind (pretty_printer *buffer, gimple gs, int spc, int flags)
 729 {
 730   if (flags & TDF_RAW)
 731     dump_gimple_fmt (buffer, spc, flags, "%G <", gs);
 732   else
 733     pp_character (buffer, '{');
 734   if (!(flags & TDF_SLIM))
 735     {
 736       tree var;
 737
 738       for (var = gimple_bind_vars (gs); var; var = TREE_CHAIN (var))
 739         {
 740           newline_and_indent (buffer, 2);
 741           print_declaration (buffer, var, spc, flags);
 742         }
 743       if (gimple_bind_vars (gs))
 744         pp_newline (buffer);
 745     }
 746   pp_newline (buffer);
 747   dump_gimple_seq (buffer, gimple_bind_body (gs), spc + 2, flags);
 748   newline_and_indent (buffer, spc);
 749   if (flags & TDF_RAW)
 750     pp_character (buffer, '>');
 751   else
 752     pp_character (buffer, '}');
 753 }
 754
 755
 756 /* Dump a GIMPLE_TRY tuple on the pretty_printer BUFFER, SPC spaces of
 757    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 758    tree-pass.h).  */
 759
 760 static void
 761 dump_gimple_try (pretty_printer *buffer, gimple gs, int spc, int flags)
 762 {
 763   if (flags & TDF_RAW)
 764     {
 765       const char *type;
 766       if (gimple_try_kind (gs) == GIMPLE_TRY_CATCH)
 767         type = "GIMPLE_TRY_CATCH";
 768       else if (gimple_try_kind (gs) == GIMPLE_TRY_FINALLY)
 769         type = "GIMPLE_TRY_FINALLY";
 770       else
 771         type = "UNKNOWN GIMPLE_TRY";
 772       dump_gimple_fmt (buffer, spc, flags,
 773                        "%G <%s,%+EVAL <%S>%nCLEANUP <%S>%->", gs, type,
 774                        gimple_try_eval (gs), gimple_try_cleanup (gs));
 775     }
 776   else
 777     {
 778       pp_string (buffer, "try");
 779       newline_and_indent (buffer, spc + 2);
 780       pp_character (buffer, '{');
 781       pp_newline (buffer);
 782
 783       dump_gimple_seq (buffer, gimple_try_eval (gs), spc + 4, flags);
 784       newline_and_indent (buffer, spc + 2);
 785       pp_character (buffer, '}');
 786
 787       if (gimple_try_kind (gs) == GIMPLE_TRY_CATCH)
 788         {
 789           newline_and_indent (buffer, spc);
 790           pp_string (buffer, "catch");
 791           newline_and_indent (buffer, spc + 2);
 792           pp_character (buffer, '{');
 793         }
 794       else if (gimple_try_kind (gs) == GIMPLE_TRY_FINALLY)
 795         {
 796           newline_and_indent (buffer, spc);
 797           pp_string (buffer, "finally");
 798           newline_and_indent (buffer, spc + 2);
 799           pp_character (buffer, '{');
 800         }
 801       else
 802         pp_string (buffer, " <UNKNOWN GIMPLE_TRY> {");
 803
 804       pp_newline (buffer);
 805       dump_gimple_seq (buffer, gimple_try_cleanup (gs), spc + 4, flags);
 806       newline_and_indent (buffer, spc + 2);
 807       pp_character (buffer, '}');
 808     }
 809 }
 810
 811
 812 /* Dump a GIMPLE_CATCH tuple on the pretty_printer BUFFER, SPC spaces of
 813    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 814    tree-pass.h).  */
 815
 816 static void
 817 dump_gimple_catch (pretty_printer *buffer, gimple gs, int spc, int flags)
 818 {
 819   if (flags & TDF_RAW)
 820       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %+CATCH <%S>%->", gs,
 821                        gimple_catch_types (gs), gimple_catch_handler (gs));
 822   else
 823       dump_gimple_fmt (buffer, spc, flags, "catch (%T)%+{%S}",
 824                        gimple_catch_types (gs), gimple_catch_handler (gs));
 825 }
 826
 827
 828 /* Dump a GIMPLE_EH_FILTER tuple on the pretty_printer BUFFER, SPC spaces of
 829    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 830    tree-pass.h).  */
 831
 832 static void
 833 dump_gimple_eh_filter (pretty_printer *buffer, gimple gs, int spc, int flags)
 834 {
 835   if (flags & TDF_RAW)
 836     dump_gimple_fmt (buffer, spc, flags, "%G <%T, %+FAILURE <%S>%->", gs,
 837                      gimple_eh_filter_types (gs),
 838                      gimple_eh_filter_failure (gs));
 839   else
 840     dump_gimple_fmt (buffer, spc, flags, "<<<eh_filter (%T)>>>%+{%+%S%-}",
 841                      gimple_eh_filter_types (gs),
 842                      gimple_eh_filter_failure (gs));
 843 }
 844
 845
 846 /* Dump a GIMPLE_EH_MUST_NOT_THROW tuple.  */
 847
 848 static void
 849 dump_gimple_eh_must_not_throw (pretty_printer *buffer, gimple gs,
 850                                int spc, int flags)
 851 {
 852   if (flags & TDF_RAW)
 853     dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs,
 854                      gimple_eh_must_not_throw_fndecl (gs));
 855   else
 856     dump_gimple_fmt (buffer, spc, flags, "<<<eh_must_not_throw (%T)>>>",
 857                      gimple_eh_must_not_throw_fndecl (gs));
 858 }
 859
 860
 861 /* Dump a GIMPLE_RESX tuple on the pretty_printer BUFFER, SPC spaces of
 862    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 863    tree-pass.h).  */
 864
 865 static void
 866 dump_gimple_resx (pretty_printer *buffer, gimple gs, int spc, int flags)
 867 {
 868   if (flags & TDF_RAW)
 869     dump_gimple_fmt (buffer, spc, flags, "%G <%d>", gs,
 870                      gimple_resx_region (gs));
 871   else
 872     dump_gimple_fmt (buffer, spc, flags, "resx %d", gimple_resx_region (gs));
 873 }
 874
 875 /* Dump a GIMPLE_EH_DISPATCH tuple on the pretty_printer BUFFER.  */
 876
 877 static void
 878 dump_gimple_eh_dispatch (pretty_printer *buffer, gimple gs, int spc, int flags)
 879 {
 880   if (flags & TDF_RAW)
 881     dump_gimple_fmt (buffer, spc, flags, "%G <%d>", gs,
 882                      gimple_eh_dispatch_region (gs));
 883   else
 884     dump_gimple_fmt (buffer, spc, flags, "eh_dispatch %d",
 885                      gimple_eh_dispatch_region (gs));
 886 }
 887
 888 /* Dump a GIMPLE_DEBUG tuple on the pretty_printer BUFFER, SPC spaces
 889    of indent.  FLAGS specifies details to show in the dump (see TDF_*
 890    in tree-pass.h).  */
 891
 892 static void
 893 dump_gimple_debug (pretty_printer *buffer, gimple gs, int spc, int flags)
 894 {
 895   switch (gs->gsbase.subcode)
 896     {
 897     case GIMPLE_DEBUG_BIND:
 898       if (flags & TDF_RAW)
 899         dump_gimple_fmt (buffer, spc, flags, "%G BIND <%T, %T>", gs,
 900                          gimple_debug_bind_get_var (gs),
 901                          gimple_debug_bind_get_value (gs));
 902       else
 903         dump_gimple_fmt (buffer, spc, flags, "# DEBUG %T => %T",
 904                          gimple_debug_bind_get_var (gs),
 905                          gimple_debug_bind_get_value (gs));
 906       break;
 907
 908     default:
 909       gcc_unreachable ();
 910     }
 911 }
 912
 913 /* Dump a GIMPLE_OMP_FOR tuple on the pretty_printer BUFFER.  */
 914 static void
 915 dump_gimple_omp_for (pretty_printer *buffer, gimple gs, int spc, int flags)
 916 {
 917   size_t i;
 918
 919   if (flags & TDF_RAW)
 920     {
 921       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
 922                        gimple_omp_body (gs));
 923       dump_omp_clauses (buffer, gimple_omp_for_clauses (gs), spc, flags);
 924       dump_gimple_fmt (buffer, spc, flags, " >,");
 925       for (i = 0; i < gimple_omp_for_collapse (gs); i++)
 926         dump_gimple_fmt (buffer, spc, flags,
 927                          "%+%T, %T, %T, %s, %T,%n",
 928                          gimple_omp_for_index (gs, i),
 929                          gimple_omp_for_initial (gs, i),
 930                          gimple_omp_for_final (gs, i),
 931                          tree_code_name[gimple_omp_for_cond (gs, i)],
 932                          gimple_omp_for_incr (gs, i));
 933       dump_gimple_fmt (buffer, spc, flags, "PRE_BODY <%S>%->",
 934                        gimple_omp_for_pre_body (gs));
 935     }
 936   else
 937     {
 938       pp_string (buffer, "#pragma omp for");
 939       dump_omp_clauses (buffer, gimple_omp_for_clauses (gs), spc, flags);
 940       for (i = 0; i < gimple_omp_for_collapse (gs); i++)
 941         {
 942           if (i)
 943             spc += 2;
 944           newline_and_indent (buffer, spc);
 945           pp_string (buffer, "for (");
 946           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
 947                              flags, false);
 948           pp_string (buffer, " = ");
 949           dump_generic_node (buffer, gimple_omp_for_initial (gs, i), spc,
 950                              flags, false);
 951           pp_string (buffer, "; ");
 952
 953           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
 954                              flags, false);
 955           pp_space (buffer);
 956           switch (gimple_omp_for_cond (gs, i))
 957             {
 958             case LT_EXPR:
 959               pp_character (buffer, '<');
 960               break;
 961             case GT_EXPR:
 962               pp_character (buffer, '>');
 963               break;
 964             case LE_EXPR:
 965               pp_string (buffer, "<=");
 966               break;
 967             case GE_EXPR:
 968               pp_string (buffer, ">=");
 969               break;
 970             default:
 971               gcc_unreachable ();
 972             }
 973           pp_space (buffer);
 974           dump_generic_node (buffer, gimple_omp_for_final (gs, i), spc,
 975                              flags, false);
 976           pp_string (buffer, "; ");
 977
 978           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
 979                              flags, false);
 980           pp_string (buffer, " = ");
 981           dump_generic_node (buffer, gimple_omp_for_incr (gs, i), spc,
 982                              flags, false);
 983           pp_character (buffer, ')');
 984         }
 985
 986       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
 987         {
 988           newline_and_indent (buffer, spc + 2);
 989           pp_character (buffer, '{');
 990           pp_newline (buffer);
 991           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
 992           newline_and_indent (buffer, spc + 2);
 993           pp_character (buffer, '}');
 994         }
 995     }
 996 }
 997
 998 /* Dump a GIMPLE_OMP_CONTINUE tuple on the pretty_printer BUFFER.  */
 999
1000 static void
1001 dump_gimple_omp_continue (pretty_printer *buffer, gimple gs, int spc, int flags)
1002 {
1003   if (flags & TDF_RAW)
1004     {
1005       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T>", gs,
1006                        gimple_omp_continue_control_def (gs),
1007                        gimple_omp_continue_control_use (gs));
1008     }
1009   else
1010     {
1011       pp_string (buffer, "#pragma omp continue (");
1012       dump_generic_node (buffer, gimple_omp_continue_control_def (gs),
1013                          spc, flags, false);
1014       pp_character (buffer, ',');
1015       pp_space (buffer);
1016       dump_generic_node (buffer, gimple_omp_continue_control_use (gs),
1017                          spc, flags, false);
1018       pp_character (buffer, ')');
1019     }
1020 }
1021
1022 /* Dump a GIMPLE_OMP_SINGLE tuple on the pretty_printer BUFFER.  */
1023
1024 static void
1025 dump_gimple_omp_single (pretty_printer *buffer, gimple gs, int spc, int flags)
1026 {
1027   if (flags & TDF_RAW)
1028     {
1029       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1030                        gimple_omp_body (gs));
1031       dump_omp_clauses (buffer, gimple_omp_single_clauses (gs), spc, flags);
1032       dump_gimple_fmt (buffer, spc, flags, " >");
1033     }
1034   else
1035     {
1036       pp_string (buffer, "#pragma omp single");
1037       dump_omp_clauses (buffer, gimple_omp_single_clauses (gs), spc, flags);
1038       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1039         {
1040           newline_and_indent (buffer, spc + 2);
1041           pp_character (buffer, '{');
1042           pp_newline (buffer);
1043           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1044           newline_and_indent (buffer, spc + 2);
1045           pp_character (buffer, '}');
1046         }
1047     }
1048 }
1049
1050 /* Dump a GIMPLE_OMP_SECTIONS tuple on the pretty_printer BUFFER.  */
1051
1052 static void
1053 dump_gimple_omp_sections (pretty_printer *buffer, gimple gs, int spc,
1054                           int flags)
1055 {
1056   if (flags & TDF_RAW)
1057     {
1058       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1059                        gimple_omp_body (gs));
1060       dump_omp_clauses (buffer, gimple_omp_sections_clauses (gs), spc, flags);
1061       dump_gimple_fmt (buffer, spc, flags, " >");
1062     }
1063   else
1064     {
1065       pp_string (buffer, "#pragma omp sections");
1066       if (gimple_omp_sections_control (gs))
1067         {
1068           pp_string (buffer, " <");
1069           dump_generic_node (buffer, gimple_omp_sections_control (gs), spc,
1070                              flags, false);
1071           pp_character (buffer, '>');
1072         }
1073       dump_omp_clauses (buffer, gimple_omp_sections_clauses (gs), spc, flags);
1074       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1075         {
1076           newline_and_indent (buffer, spc + 2);
1077           pp_character (buffer, '{');
1078           pp_newline (buffer);
1079           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1080           newline_and_indent (buffer, spc + 2);
1081           pp_character (buffer, '}');
1082         }
1083     }
1084 }
1085
1086 /* Dump a GIMPLE_OMP_{MASTER,ORDERED,SECTION} tuple on the pretty_printer
1087    BUFFER.  */
1088
1089 static void
1090 dump_gimple_omp_block (pretty_printer *buffer, gimple gs, int spc, int flags)
1091 {
1092   if (flags & TDF_RAW)
1093     dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S> >", gs,
1094                      gimple_omp_body (gs));
1095   else
1096     {
1097       switch (gimple_code (gs))
1098         {
1099         case GIMPLE_OMP_MASTER:
1100           pp_string (buffer, "#pragma omp master");
1101           break;
1102         case GIMPLE_OMP_ORDERED:
1103           pp_string (buffer, "#pragma omp ordered");
1104           break;
1105         case GIMPLE_OMP_SECTION:
1106           pp_string (buffer, "#pragma omp section");
1107           break;
1108         default:
1109           gcc_unreachable ();
1110         }
1111       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1112         {
1113           newline_and_indent (buffer, spc + 2);
1114           pp_character (buffer, '{');
1115           pp_newline (buffer);
1116           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1117           newline_and_indent (buffer, spc + 2);
1118           pp_character (buffer, '}');
1119         }
1120     }
1121 }
1122
1123 /* Dump a GIMPLE_OMP_CRITICAL tuple on the pretty_printer BUFFER.  */
1124
1125 static void
1126 dump_gimple_omp_critical (pretty_printer *buffer, gimple gs, int spc,
1127                           int flags)
1128 {
1129   if (flags & TDF_RAW)
1130     dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S> >", gs,
1131                      gimple_omp_body (gs));
1132   else
1133     {
1134       pp_string (buffer, "#pragma omp critical");
1135       if (gimple_omp_critical_name (gs))
1136         {
1137           pp_string (buffer, " (");
1138           dump_generic_node (buffer, gimple_omp_critical_name (gs), spc,
1139                              flags, false);
1140           pp_character (buffer, ')');
1141         }
1142       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1143         {
1144           newline_and_indent (buffer, spc + 2);
1145           pp_character (buffer, '{');
1146           pp_newline (buffer);
1147           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1148           newline_and_indent (buffer, spc + 2);
1149           pp_character (buffer, '}');
1150         }
1151     }
1152 }
1153
1154 /* Dump a GIMPLE_OMP_RETURN tuple on the pretty_printer BUFFER.  */
1155
1156 static void
1157 dump_gimple_omp_return (pretty_printer *buffer, gimple gs, int spc, int flags)
1158 {
1159   if (flags & TDF_RAW)
1160     {
1161       dump_gimple_fmt (buffer, spc, flags, "%G <nowait=%d>", gs,
1162                        (int) gimple_omp_return_nowait_p (gs));
1163     }
1164   else
1165     {
1166       pp_string (buffer, "#pragma omp return");
1167       if (gimple_omp_return_nowait_p (gs))
1168         pp_string (buffer, "(nowait)");
1169     }
1170 }
1171
1172 /* Dump a GIMPLE_ASM tuple on the pretty_printer BUFFER, SPC spaces of
1173    indent.  FLAGS specifies details to show in the dump (see TDF_* in
1174    tree-pass.h).  */
1175
1176 static void
1177 dump_gimple_asm (pretty_printer *buffer, gimple gs, int spc, int flags)
1178 {
1179   unsigned int i, n, f, fields;
1180
1181   if (flags & TDF_RAW)
1182     {
1183       dump_gimple_fmt (buffer, spc, flags, "%G <%+STRING <%n%s%n>", gs,
1184                        gimple_asm_string (gs));
1185
1186       n = gimple_asm_noutputs (gs);
1187       if (n)
1188         {
1189           newline_and_indent (buffer, spc + 2);
1190           pp_string (buffer, "OUTPUT: ");
1191           for (i = 0; i < n; i++)
1192             {
1193               dump_generic_node (buffer, gimple_asm_output_op (gs, i),
1194                                  spc, flags, false);
1195               if (i < n - 1)
1196                 pp_string (buffer, ", ");
1197             }
1198         }
1199
1200       n = gimple_asm_ninputs (gs);
1201       if (n)
1202         {
1203           newline_and_indent (buffer, spc + 2);
1204           pp_string (buffer, "INPUT: ");
1205           for (i = 0; i < n; i++)
1206             {
1207               dump_generic_node (buffer, gimple_asm_input_op (gs, i),
1208                                  spc, flags, false);
1209               if (i < n - 1)
1210                 pp_string (buffer, ", ");
1211             }
1212         }
1213
1214       n = gimple_asm_nclobbers (gs);
1215       if (n)
1216         {
1217           newline_and_indent (buffer, spc + 2);
1218           pp_string (buffer, "CLOBBER: ");
1219           for (i = 0; i < n; i++)
1220             {
1221               dump_generic_node (buffer, gimple_asm_clobber_op (gs, i),
1222                                  spc, flags, false);
1223               if (i < n - 1)
1224                 pp_string (buffer, ", ");
1225             }
1226         }
1227
1228       n = gimple_asm_nlabels (gs);
1229       if (n)
1230         {
1231           newline_and_indent (buffer, spc + 2);
1232           pp_string (buffer, "LABEL: ");
1233           for (i = 0; i < n; i++)
1234             {
1235               dump_generic_node (buffer, gimple_asm_label_op (gs, i),
1236                                  spc, flags, false);
1237               if (i < n - 1)
1238                 pp_string (buffer, ", ");
1239             }
1240         }
1241
1242       newline_and_indent (buffer, spc);
1243       pp_character (buffer, '>');
1244     }
1245   else
1246     {
1247       pp_string (buffer, "__asm__");
1248       if (gimple_asm_volatile_p (gs))
1249         pp_string (buffer, " __volatile__");
1250       if (gimple_asm_nlabels (gs))
1251         pp_string (buffer, " goto");
1252       pp_string (buffer, "(\"");
1253       pp_string (buffer, gimple_asm_string (gs));
1254       pp_string (buffer, "\"");
1255
1256       if (gimple_asm_nlabels (gs))
1257         fields = 4;
1258       else if (gimple_asm_nclobbers (gs))
1259         fields = 3;
1260       else if (gimple_asm_ninputs (gs))
1261         fields = 2;
1262       else if (gimple_asm_noutputs (gs))
1263         fields = 1;
1264       else
1265         fields = 0;
1266
1267       for (f = 0; f < fields; ++f)
1268         {
1269           pp_string (buffer, " : ");
1270
1271           switch (f)
1272             {
1273             case 0:
1274               n = gimple_asm_noutputs (gs);
1275               for (i = 0; i < n; i++)
1276                 {
1277                   dump_generic_node (buffer, gimple_asm_output_op (gs, i),
1278                                      spc, flags, false);
1279                   if (i < n - 1)
1280                     pp_string (buffer, ", ");
1281                 }
1282               break;
1283
1284             case 1:
1285               n = gimple_asm_ninputs (gs);
1286               for (i = 0; i < n; i++)
1287                 {
1288                   dump_generic_node (buffer, gimple_asm_input_op (gs, i),
1289                                      spc, flags, false);
1290                   if (i < n - 1)
1291                     pp_string (buffer, ", ");
1292                 }
1293               break;
1294
1295             case 2:
1296               n = gimple_asm_nclobbers (gs);
1297               for (i = 0; i < n; i++)
1298                 {
1299                   dump_generic_node (buffer, gimple_asm_clobber_op (gs, i),
1300                                      spc, flags, false);
1301                   if (i < n - 1)
1302                     pp_string (buffer, ", ");
1303                 }
1304               break;
1305
1306             case 3:
1307               n = gimple_asm_nlabels (gs);
1308               for (i = 0; i < n; i++)
1309                 {
1310                   dump_generic_node (buffer, gimple_asm_label_op (gs, i),
1311                                      spc, flags, false);
1312                   if (i < n - 1)
1313                     pp_string (buffer, ", ");
1314                 }
1315               break;
1316
1317             default:
1318               gcc_unreachable ();
1319             }
1320         }
1321
1322       pp_string (buffer, ");");
1323     }
1324 }
1325
1326
1327 /* Dump a PHI node PHI.  BUFFER, SPC and FLAGS are as in
1328    dump_gimple_stmt.  */
1329
1330 static void
1331 dump_gimple_phi (pretty_printer *buffer, gimple phi, int spc, int flags)
1332 {
1333   size_t i;
1334   tree lhs = gimple_phi_result (phi);
1335
1336   if (flags & TDF_ALIAS
1337       && POINTER_TYPE_P (TREE_TYPE (lhs))
1338       && SSA_NAME_PTR_INFO (lhs))
1339     {
1340       pp_string (buffer, "PT = ");
1341       pp_points_to_solution (buffer, &SSA_NAME_PTR_INFO (lhs)->pt);
1342       newline_and_indent (buffer, spc);
1343       pp_string (buffer, "# ");
1344     }
1345
1346   if (flags & TDF_RAW)
1347       dump_gimple_fmt (buffer, spc, flags, "%G <%T, ", phi,
1348                        gimple_phi_result (phi));
1349   else
1350     {
1351       dump_generic_node (buffer, lhs, spc, flags, false);
1352       pp_string (buffer, " = PHI <");
1353     }
1354   for (i = 0; i < gimple_phi_num_args (phi); i++)
1355     {
1356       if ((flags & TDF_LINENO) && gimple_phi_arg_has_location (phi, i))
1357         {
1358           expanded_location xloc;
1359
1360           xloc = expand_location (gimple_phi_arg_location (phi, i));
1361           pp_character (buffer, '[');
1362           if (xloc.file)
1363             {
1364               pp_string (buffer, xloc.file);
1365               pp_string (buffer, " : ");
1366             }
1367           pp_decimal_int (buffer, xloc.line);
1368           pp_string (buffer, ":");
1369           pp_decimal_int (buffer, xloc.column);
1370           pp_string (buffer, "] ");
1371         }
1372       dump_generic_node (buffer, gimple_phi_arg_def (phi, i), spc, flags,
1373                          false);
1374       pp_character (buffer, '(');
1375       pp_decimal_int (buffer, gimple_phi_arg_edge (phi, i)->src->index);
1376       pp_character (buffer, ')');
1377       if (i < gimple_phi_num_args (phi) - 1)
1378         pp_string (buffer, ", ");
1379     }
1380   pp_character (buffer, '>');
1381 }
1382
1383
1384 /* Dump a GIMPLE_OMP_PARALLEL tuple on the pretty_printer BUFFER, SPC spaces
1385    of indent.  FLAGS specifies details to show in the dump (see TDF_* in
1386    tree-pass.h).  */
1387
1388 static void
1389 dump_gimple_omp_parallel (pretty_printer *buffer, gimple gs, int spc,
1390                           int flags)
1391 {
1392   if (flags & TDF_RAW)
1393     {
1394       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1395                        gimple_omp_body (gs));
1396       dump_omp_clauses (buffer, gimple_omp_parallel_clauses (gs), spc, flags);
1397       dump_gimple_fmt (buffer, spc, flags, " >, %T, %T%n>",
1398                        gimple_omp_parallel_child_fn (gs),
1399                        gimple_omp_parallel_data_arg (gs));
1400     }
1401   else
1402     {
1403       gimple_seq body;
1404       pp_string (buffer, "#pragma omp parallel");
1405       dump_omp_clauses (buffer, gimple_omp_parallel_clauses (gs), spc, flags);
1406       if (gimple_omp_parallel_child_fn (gs))
1407         {
1408           pp_string (buffer, " [child fn: ");
1409           dump_generic_node (buffer, gimple_omp_parallel_child_fn (gs),
1410                              spc, flags, false);
1411           pp_string (buffer, " (");
1412           if (gimple_omp_parallel_data_arg (gs))
1413             dump_generic_node (buffer, gimple_omp_parallel_data_arg (gs),
1414                                spc, flags, false);
1415           else
1416             pp_string (buffer, "???");
1417           pp_string (buffer, ")]");
1418         }
1419       body = gimple_omp_body (gs);
1420       if (body && gimple_code (gimple_seq_first_stmt (body)) != GIMPLE_BIND)
1421         {
1422           newline_and_indent (buffer, spc + 2);
1423           pp_character (buffer, '{');
1424           pp_newline (buffer);
1425           dump_gimple_seq (buffer, body, spc + 4, flags);
1426           newline_and_indent (buffer, spc + 2);
1427           pp_character (buffer, '}');
1428         }
1429       else if (body)
1430         {
1431           pp_newline (buffer);
1432           dump_gimple_seq (buffer, body, spc + 2, flags);
1433         }
1434     }
1435 }
1436
1437
1438 /* Dump a GIMPLE_OMP_TASK tuple on the pretty_printer BUFFER, SPC spaces
1439    of indent.  FLAGS specifies details to show in the dump (see TDF_* in
1440    tree-pass.h).  */
1441
1442 static void
1443 dump_gimple_omp_task (pretty_printer *buffer, gimple gs, int spc,
1444                       int flags)
1445 {
1446   if (flags & TDF_RAW)
1447     {
1448       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1449                        gimple_omp_body (gs));
1450       dump_omp_clauses (buffer, gimple_omp_task_clauses (gs), spc, flags);
1451       dump_gimple_fmt (buffer, spc, flags, " >, %T, %T, %T, %T, %T%n>",
1452                        gimple_omp_task_child_fn (gs),
1453                        gimple_omp_task_data_arg (gs),
1454                        gimple_omp_task_copy_fn (gs),
1455                        gimple_omp_task_arg_size (gs),
1456                        gimple_omp_task_arg_size (gs));
1457     }
1458   else
1459     {
1460       gimple_seq body;
1461       pp_string (buffer, "#pragma omp task");
1462       dump_omp_clauses (buffer, gimple_omp_task_clauses (gs), spc, flags);
1463       if (gimple_omp_task_child_fn (gs))
1464         {
1465           pp_string (buffer, " [child fn: ");
1466           dump_generic_node (buffer, gimple_omp_task_child_fn (gs),
1467                              spc, flags, false);
1468           pp_string (buffer, " (");
1469           if (gimple_omp_task_data_arg (gs))
1470             dump_generic_node (buffer, gimple_omp_task_data_arg (gs),
1471                                spc, flags, false);
1472           else
1473             pp_string (buffer, "???");
1474           pp_string (buffer, ")]");
1475         }
1476       body = gimple_omp_body (gs);
1477       if (body && gimple_code (gimple_seq_first_stmt (body)) != GIMPLE_BIND)
1478         {
1479           newline_and_indent (buffer, spc + 2);
1480           pp_character (buffer, '{');
1481           pp_newline (buffer);
1482           dump_gimple_seq (buffer, body, spc + 4, flags);
1483           newline_and_indent (buffer, spc + 2);
1484           pp_character (buffer, '}');
1485         }
1486       else if (body)
1487         {
1488           pp_newline (buffer);
1489           dump_gimple_seq (buffer, body, spc + 2, flags);
1490         }
1491     }
1492 }
1493
1494
1495 /* Dump a GIMPLE_OMP_ATOMIC_LOAD tuple on the pretty_printer BUFFER, SPC
1496    spaces of indent.  FLAGS specifies details to show in the dump (see TDF_*
1497    in tree-pass.h).  */
1498
1499 static void
1500 dump_gimple_omp_atomic_load (pretty_printer *buffer, gimple gs, int spc,
1501                              int flags)
1502 {
1503   if (flags & TDF_RAW)
1504     {
1505       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T>", gs,
1506                        gimple_omp_atomic_load_lhs (gs),
1507                        gimple_omp_atomic_load_rhs (gs));
1508     }
1509   else
1510     {
1511       pp_string (buffer, "#pragma omp atomic_load");
1512       newline_and_indent (buffer, spc + 2);
1513       dump_generic_node (buffer, gimple_omp_atomic_load_lhs (gs),
1514                          spc, flags, false);
1515       pp_space (buffer);
1516       pp_character (buffer, '=');
1517       pp_space (buffer);
1518       pp_character (buffer, '*');
1519       dump_generic_node (buffer, gimple_omp_atomic_load_rhs (gs),
1520                          spc, flags, false);
1521     }
1522 }
1523
1524 /* Dump a GIMPLE_OMP_ATOMIC_STORE tuple on the pretty_printer BUFFER, SPC
1525    spaces of indent.  FLAGS specifies details to show in the dump (see TDF_*
1526    in tree-pass.h).  */
1527
1528 static void
1529 dump_gimple_omp_atomic_store (pretty_printer *buffer, gimple gs, int spc,
1530                              int flags)
1531 {
1532   if (flags & TDF_RAW)
1533     {
1534       dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs,
1535                        gimple_omp_atomic_store_val (gs));
1536     }
1537   else
1538     {
1539       pp_string (buffer, "#pragma omp atomic_store (");
1540       dump_generic_node (buffer, gimple_omp_atomic_store_val (gs),
1541                          spc, flags, false);
1542       pp_character (buffer, ')');
1543     }
1544 }
1545
1546
1547 /* Dump all the memory operands for statement GS.  BUFFER, SPC and
1548    FLAGS are as in dump_gimple_stmt.  */
1549
1550 static void
1551 dump_gimple_mem_ops (pretty_printer *buffer, gimple gs, int spc, int flags)
1552 {
1553   tree vdef = gimple_vdef (gs);
1554   tree vuse = gimple_vuse (gs);
1555
1556   if (!ssa_operands_active () || !gimple_references_memory_p (gs))
1557     return;
1558
1559   if (vdef != NULL_TREE)
1560     {
1561       pp_string (buffer, "# ");
1562       dump_generic_node (buffer, vdef, spc + 2, flags, false);
1563       pp_string (buffer, " = VDEF <");
1564       dump_generic_node (buffer, vuse, spc + 2, flags, false);
1565       pp_character (buffer, '>');
1566       newline_and_indent (buffer, spc);
1567     }
1568   else if (vuse != NULL_TREE)
1569     {
1570       pp_string (buffer, "# VUSE <");
1571       dump_generic_node (buffer, vuse, spc + 2, flags, false);
1572       pp_character (buffer, '>');
1573       newline_and_indent (buffer, spc);
1574     }
1575 }
1576
1577
1578 /* Dump the gimple statement GS on the pretty printer BUFFER, SPC
1579    spaces of indent.  FLAGS specifies details to show in the dump (see
1580    TDF_* in tree-pass.h).  */
1581
1582 void
1583 dump_gimple_stmt (pretty_printer *buffer, gimple gs, int spc, int flags)
1584 {
1585   if (!gs)
1586     return;
1587
1588   if (flags & TDF_STMTADDR)
1589     pp_printf (buffer, "<&%p> ", (void *) gs);
1590
1591   if ((flags & TDF_LINENO) && gimple_has_location (gs))
1592     {
1593       expanded_location xloc = expand_location (gimple_location (gs));
1594       pp_character (buffer, '[');
1595       if (xloc.file)
1596         {
1597           pp_string (buffer, xloc.file);
1598           pp_string (buffer, " : ");
1599         }
1600       pp_decimal_int (buffer, xloc.line);
1601       pp_string (buffer, ":");
1602       pp_decimal_int (buffer, xloc.column);
1603       pp_string (buffer, "] ");
1604     }
1605
1606   if (flags & TDF_EH)
1607     {
1608       int lp_nr = lookup_stmt_eh_lp (gs);
1609       if (lp_nr > 0)
1610         pp_printf (buffer, "[LP %d] ", lp_nr);
1611       else if (lp_nr < 0)
1612         pp_printf (buffer, "[MNT %d] ", -lp_nr);
1613     }
1614
1615   if ((flags & (TDF_VOPS|TDF_MEMSYMS))
1616       && gimple_has_mem_ops (gs))
1617     dump_gimple_mem_ops (buffer, gs, spc, flags);
1618
1619   if ((flags & TDF_ALIAS)
1620       && gimple_has_lhs (gs))
1621     {
1622       tree lhs = gimple_get_lhs (gs);
1623       if (TREE_CODE (lhs) == SSA_NAME
1624           && POINTER_TYPE_P (TREE_TYPE (lhs))
1625           && SSA_NAME_PTR_INFO (lhs))
1626         {
1627           pp_string (buffer, "# PT = ");
1628           pp_points_to_solution (buffer, &SSA_NAME_PTR_INFO (lhs)->pt);
1629           newline_and_indent (buffer, spc);
1630         }
1631     }
1632
1633   switch (gimple_code (gs))
1634     {
1635     case GIMPLE_ASM:
1636       dump_gimple_asm (buffer, gs, spc, flags);
1637       break;
1638
1639     case GIMPLE_ASSIGN:
1640       dump_gimple_assign (buffer, gs, spc, flags);
1641       break;
1642
1643     case GIMPLE_BIND:
1644       dump_gimple_bind (buffer, gs, spc, flags);
1645       break;
1646
1647     case GIMPLE_CALL:
1648       dump_gimple_call (buffer, gs, spc, flags);
1649       break;
1650
1651     case GIMPLE_COND:
1652       dump_gimple_cond (buffer, gs, spc, flags);
1653       break;
1654
1655     case GIMPLE_LABEL:
1656       dump_gimple_label (buffer, gs, spc, flags);
1657       break;
1658
1659     case GIMPLE_GOTO:
1660       dump_gimple_goto (buffer, gs, spc, flags);
1661       break;
1662
1663     case GIMPLE_NOP:
1664       pp_string (buffer, "GIMPLE_NOP");
1665       break;
1666
1667     case GIMPLE_RETURN:
1668       dump_gimple_return (buffer, gs, spc, flags);
1669       break;
1670
1671     case GIMPLE_SWITCH:
1672       dump_gimple_switch (buffer, gs, spc, flags);
1673       break;
1674
1675     case GIMPLE_TRY:
1676       dump_gimple_try (buffer, gs, spc, flags);
1677       break;
1678
1679     case GIMPLE_PHI:
1680       dump_gimple_phi (buffer, gs, spc, flags);
1681       break;
1682
1683     case GIMPLE_OMP_PARALLEL:
1684       dump_gimple_omp_parallel (buffer, gs, spc, flags);
1685       break;
1686
1687     case GIMPLE_OMP_TASK:
1688       dump_gimple_omp_task (buffer, gs, spc, flags);
1689       break;
1690
1691     case GIMPLE_OMP_ATOMIC_LOAD:
1692       dump_gimple_omp_atomic_load (buffer, gs, spc, flags);
1693
1694       break;
1695
1696     case GIMPLE_OMP_ATOMIC_STORE:
1697       dump_gimple_omp_atomic_store (buffer, gs, spc, flags);
1698       break;
1699
1700     case GIMPLE_OMP_FOR:
1701       dump_gimple_omp_for (buffer, gs, spc, flags);
1702       break;
1703
1704     case GIMPLE_OMP_CONTINUE:
1705       dump_gimple_omp_continue (buffer, gs, spc, flags);
1706       break;
1707
1708     case GIMPLE_OMP_SINGLE:
1709       dump_gimple_omp_single (buffer, gs, spc, flags);
1710       break;
1711
1712     case GIMPLE_OMP_RETURN:
1713       dump_gimple_omp_return (buffer, gs, spc, flags);
1714       break;
1715
1716     case GIMPLE_OMP_SECTIONS:
1717       dump_gimple_omp_sections (buffer, gs, spc, flags);
1718       break;
1719
1720     case GIMPLE_OMP_SECTIONS_SWITCH:
1721       pp_string (buffer, "GIMPLE_SECTIONS_SWITCH");
1722       break;
1723
1724     case GIMPLE_OMP_MASTER:
1725     case GIMPLE_OMP_ORDERED:
1726     case GIMPLE_OMP_SECTION:
1727       dump_gimple_omp_block (buffer, gs, spc, flags);
1728       break;
1729
1730     case GIMPLE_OMP_CRITICAL:
1731       dump_gimple_omp_critical (buffer, gs, spc, flags);
1732       break;
1733
1734     case GIMPLE_CATCH:
1735       dump_gimple_catch (buffer, gs, spc, flags);
1736       break;
1737
1738     case GIMPLE_EH_FILTER:
1739       dump_gimple_eh_filter (buffer, gs, spc, flags);
1740       break;
1741
1742     case GIMPLE_EH_MUST_NOT_THROW:
1743       dump_gimple_eh_must_not_throw (buffer, gs, spc, flags);
1744       break;
1745
1746     case GIMPLE_RESX:
1747       dump_gimple_resx (buffer, gs, spc, flags);
1748       break;
1749
1750     case GIMPLE_EH_DISPATCH:
1751       dump_gimple_eh_dispatch (buffer, gs, spc, flags);
1752       break;
1753
1754     case GIMPLE_DEBUG:
1755       dump_gimple_debug (buffer, gs, spc, flags);
1756       break;
1757
1758     case GIMPLE_PREDICT:
1759       pp_string (buffer, "// predicted ");
1760       if (gimple_predict_outcome (gs))
1761         pp_string (buffer, "likely by ");
1762       else
1763         pp_string (buffer, "unlikely by ");
1764       pp_string (buffer, predictor_name (gimple_predict_predictor (gs)));
1765       pp_string (buffer, " predictor.");
1766       break;
1767
1768     default:
1769       GIMPLE_NIY;
1770     }
1771
1772   /* If we're building a diagnostic, the formatted text will be
1773      written into BUFFER's stream by the caller; otherwise, write it
1774      now.  */
1775   if (!(flags & TDF_DIAGNOSTIC))
1776     pp_write_text_to_stream (buffer);
1777 }
1778
1779
1780 /* Dumps header of basic block BB to buffer BUFFER indented by INDENT
1781    spaces and details described by flags.  */
1782
1783 static void
1784 dump_bb_header (pretty_printer *buffer, basic_block bb, int indent, int flags)
1785 {
1786   edge e;
1787   gimple stmt;
1788   edge_iterator ei;
1789
1790   if (flags & TDF_BLOCKS)
1791     {
1792       INDENT (indent);
1793       pp_string (buffer, "# BLOCK ");
1794       pp_decimal_int (buffer, bb->index);
1795       if (bb->frequency)
1796         {
1797           pp_string (buffer, " freq:");
1798           pp_decimal_int (buffer, bb->frequency);
1799         }
1800       if (bb->count)
1801         {
1802           pp_string (buffer, " count:");
1803           pp_widest_integer (buffer, bb->count);
1804         }
1805
1806       if (flags & TDF_LINENO)
1807         {
1808           gimple_stmt_iterator gsi;
1809
1810           for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
1811             if (!is_gimple_debug (gsi_stmt (gsi))
1812                 && get_lineno (gsi_stmt (gsi)) != UNKNOWN_LOCATION)
1813               {
1814                 pp_string (buffer, ", starting at line ");
1815                 pp_decimal_int (buffer, get_lineno (gsi_stmt (gsi)));
1816                 break;
1817               }
1818
1819           if (bb->discriminator)
1820             {
1821               pp_string (buffer, ", discriminator ");
1822               pp_decimal_int (buffer, bb->discriminator);
1823             }
1824         }
1825       newline_and_indent (buffer, indent);
1826
1827       pp_string (buffer, "# PRED:");
1828       pp_write_text_to_stream (buffer);
1829       FOR_EACH_EDGE (e, ei, bb->preds)
1830         if (flags & TDF_SLIM)
1831           {
1832             pp_character (buffer, ' ');
1833             if (e->src == ENTRY_BLOCK_PTR)
1834               pp_string (buffer, "ENTRY");
1835             else
1836               pp_decimal_int (buffer, e->src->index);
1837           }
1838         else
1839           dump_edge_info (buffer->buffer->stream, e, 0);
1840       pp_newline (buffer);
1841     }
1842   else
1843     {
1844       stmt = first_stmt (bb);
1845       if (!stmt || gimple_code (stmt) != GIMPLE_LABEL)
1846         {
1847           INDENT (indent - 2);
1848           pp_string (buffer, "<bb ");
1849           pp_decimal_int (buffer, bb->index);
1850           pp_string (buffer, ">:");
1851           pp_newline (buffer);
1852         }
1853     }
1854   pp_write_text_to_stream (buffer);
1855   check_bb_profile (bb, buffer->buffer->stream);
1856 }
1857
1858
1859 /* Dumps end of basic block BB to buffer BUFFER indented by INDENT
1860    spaces.  */
1861
1862 static void
1863 dump_bb_end (pretty_printer *buffer, basic_block bb, int indent, int flags)
1864 {
1865   edge e;
1866   edge_iterator ei;
1867
1868   INDENT (indent);
1869   pp_string (buffer, "# SUCC:");
1870   pp_write_text_to_stream (buffer);
1871   FOR_EACH_EDGE (e, ei, bb->succs)
1872     if (flags & TDF_SLIM)
1873       {
1874         pp_character (buffer, ' ');
1875         if (e->dest == EXIT_BLOCK_PTR)
1876           pp_string (buffer, "EXIT");
1877         else
1878           pp_decimal_int (buffer, e->dest->index);
1879       }
1880     else
1881       dump_edge_info (buffer->buffer->stream, e, 1);
1882   pp_newline (buffer);
1883 }
1884
1885
1886 /* Dump PHI nodes of basic block BB to BUFFER with details described
1887    by FLAGS and indented by INDENT spaces.  */
1888
1889 static void
1890 dump_phi_nodes (pretty_printer *buffer, basic_block bb, int indent, int flags)
1891 {
1892   gimple_stmt_iterator i;
1893
1894   for (i = gsi_start_phis (bb); !gsi_end_p (i); gsi_next (&i))
1895     {
1896       gimple phi = gsi_stmt (i);
1897       if (is_gimple_reg (gimple_phi_result (phi)) || (flags & TDF_VOPS))
1898         {
1899           INDENT (indent);
1900           pp_string (buffer, "# ");
1901           dump_gimple_phi (buffer, phi, indent, flags);
1902           pp_newline (buffer);
1903         }
1904     }
1905 }
1906
1907
1908 /* Dump jump to basic block BB that is represented implicitly in the cfg
1909    to BUFFER.  */
1910
1911 static void
1912 pp_cfg_jump (pretty_printer *buffer, basic_block bb)
1913 {
1914   gimple stmt;
1915
1916   stmt = first_stmt (bb);
1917
1918   pp_string (buffer, "goto <bb ");
1919   pp_decimal_int (buffer, bb->index);
1920   pp_character (buffer, '>');
1921   if (stmt && gimple_code (stmt) == GIMPLE_LABEL)
1922     {
1923       pp_string (buffer, " (");
1924       dump_generic_node (buffer, gimple_label_label (stmt), 0, 0, false);
1925       pp_character (buffer, ')');
1926       pp_semicolon (buffer);
1927     }
1928   else
1929     pp_semicolon (buffer);
1930 }
1931
1932
1933 /* Dump edges represented implicitly in basic block BB to BUFFER, indented
1934    by INDENT spaces, with details given by FLAGS.  */
1935
1936 static void
1937 dump_implicit_edges (pretty_printer *buffer, basic_block bb, int indent,
1938                      int flags)
1939 {
1940   edge e;
1941   edge_iterator ei;
1942   gimple stmt;
1943
1944   stmt = last_stmt (bb);
1945
1946   if (stmt && gimple_code (stmt) == GIMPLE_COND)
1947     {
1948       edge true_edge, false_edge;
1949
1950       /* When we are emitting the code or changing CFG, it is possible that
1951          the edges are not yet created.  When we are using debug_bb in such
1952          a situation, we do not want it to crash.  */
1953       if (EDGE_COUNT (bb->succs) != 2)
1954         return;
1955       extract_true_false_edges_from_block (bb, &true_edge, &false_edge);
1956
1957       INDENT (indent + 2);
1958       pp_cfg_jump (buffer, true_edge->dest);
1959       newline_and_indent (buffer, indent);
1960       pp_string (buffer, "else");
1961       newline_and_indent (buffer, indent + 2);
1962       pp_cfg_jump (buffer, false_edge->dest);
1963       pp_newline (buffer);
1964       return;
1965     }
1966
1967   /* If there is a fallthru edge, we may need to add an artificial
1968      goto to the dump.  */
1969   FOR_EACH_EDGE (e, ei, bb->succs)
1970     if (e->flags & EDGE_FALLTHRU)
1971       break;
1972
1973   if (e && e->dest != bb->next_bb)
1974     {
1975       INDENT (indent);
1976
1977       if ((flags & TDF_LINENO)
1978           && e->goto_locus != UNKNOWN_LOCATION
1979           )
1980         {
1981           expanded_location goto_xloc;
1982           goto_xloc = expand_location (e->goto_locus);
1983           pp_character (buffer, '[');
1984           if (goto_xloc.file)
1985             {
1986               pp_string (buffer, goto_xloc.file);
1987               pp_string (buffer, " : ");
1988             }
1989           pp_decimal_int (buffer, goto_xloc.line);
1990           pp_string (buffer, " : ");
1991           pp_decimal_int (buffer, goto_xloc.column);
1992           pp_string (buffer, "] ");
1993         }
1994
1995       pp_cfg_jump (buffer, e->dest);
1996       pp_newline (buffer);
1997     }
1998 }
1999
2000
2001 /* Dumps basic block BB to buffer BUFFER with details described by FLAGS and
2002    indented by INDENT spaces.  */
2003
2004 static void
2005 gimple_dump_bb_buff (pretty_printer *buffer, basic_block bb, int indent,
2006                      int flags)
2007 {
2008   gimple_stmt_iterator gsi;
2009   gimple stmt;
2010   int label_indent = indent - 2;
2011
2012   if (label_indent < 0)
2013     label_indent = 0;
2014
2015   dump_bb_header (buffer, bb, indent, flags);
2016   dump_phi_nodes (buffer, bb, indent, flags);
2017
2018   for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
2019     {
2020       int curr_indent;
2021
2022       stmt = gsi_stmt (gsi);
2023
2024       curr_indent = gimple_code (stmt) == GIMPLE_LABEL ? label_indent : indent;
2025
2026       INDENT (curr_indent);
2027       dump_gimple_stmt (buffer, stmt, curr_indent, flags);
2028       pp_newline (buffer);
2029       dump_histograms_for_stmt (cfun, buffer->buffer->stream, stmt);
2030     }
2031
2032   dump_implicit_edges (buffer, bb, indent, flags);
2033
2034   if (flags & TDF_BLOCKS)
2035     dump_bb_end (buffer, bb, indent, flags);
2036 }
2037
2038
2039 /* Dumps basic block BB to FILE with details described by FLAGS and
2040    indented by INDENT spaces.  */
2041
2042 void
2043 gimple_dump_bb (basic_block bb, FILE *file, int indent, int flags)
2044 {
2045   maybe_init_pretty_print (file);
2046   gimple_dump_bb_buff (&buffer, bb, indent, flags);
2047   pp_flush (&buffer);
2048 }