gcc/gimple-pretty-print.c

   1 /* Pretty formatting of GIMPLE statements and expressions.
   2    Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
   3    Free Software Foundation, Inc.
   4    Contributed by Aldy Hernandez <aldyh@redhat.com> and
   5    Diego Novillo <dnovillo@google.com>
   6
   7 This file is part of GCC.
   8
   9 GCC is free software; you can redistribute it and/or modify it under
  10 the terms of the GNU General Public License as published by the Free
  11 Software Foundation; either version 3, or (at your option) any later
  12 version.
  13
  14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  16 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  17 for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with GCC; see the file COPYING3.  If not see
  21 <http://www.gnu.org/licenses/>.  */
  22
  23 #include "config.h"
  24 #include "system.h"
  25 #include "coretypes.h"
  26 #include "tm.h"
  27 #include "tree.h"
  28 #include "diagnostic.h"
  29 #include "tree-pretty-print.h"
  30 #include "gimple-pretty-print.h"
  31 #include "hashtab.h"
  32 #include "tree-flow.h"
  33 #include "tree-pass.h"
  34 #include "gimple.h"
  35 #include "value-prof.h"
  36
  37 #define INDENT(SPACE)                                                   \
  38   do { int i; for (i = 0; i < SPACE; i++) pp_space (buffer); } while (0)
  39
  40 static pretty_printer buffer;
  41 static bool initialized = false;
  42
  43 #define GIMPLE_NIY do_niy (buffer,gs)
  44
  45 /* Try to print on BUFFER a default message for the unrecognized
  46    gimple statement GS.  */
  47
  48 static void
  49 do_niy (pretty_printer *buffer, gimple gs)
  50 {
  51   pp_printf (buffer, "<<< Unknown GIMPLE statement: %s >>>\n",
  52              gimple_code_name[(int) gimple_code (gs)]);
  53 }
  54
  55
  56 /* Initialize the pretty printer on FILE if needed.  */
  57
  58 static void
  59 maybe_init_pretty_print (FILE *file)
  60 {
  61   if (!initialized)
  62     {
  63       pp_construct (&buffer, NULL, 0);
  64       pp_needs_newline (&buffer) = true;
  65       initialized = true;
  66     }
  67
  68   buffer.buffer->stream = file;
  69 }
  70
  71
  72 /* Emit a newline and SPC indentantion spaces to BUFFER.  */
  73
  74 static void
  75 newline_and_indent (pretty_printer *buffer, int spc)
  76 {
  77   pp_newline (buffer);
  78   INDENT (spc);
  79 }
  80
  81
  82 /* Print the GIMPLE statement GS on stderr.  */
  83
  84 DEBUG_FUNCTION void
  85 debug_gimple_stmt (gimple gs)
  86 {
  87   print_gimple_stmt (stderr, gs, 0, TDF_VOPS|TDF_MEMSYMS);
  88   fprintf (stderr, "\n");
  89 }
  90
  91
  92 /* Dump GIMPLE statement G to FILE using SPC indentantion spaces and
  93    FLAGS as in dump_gimple_stmt.  */
  94
  95 void
  96 print_gimple_stmt (FILE *file, gimple g, int spc, int flags)
  97 {
  98   maybe_init_pretty_print (file);
  99   dump_gimple_stmt (&buffer, g, spc, flags);
 100   pp_flush (&buffer);
 101 }
 102
 103
 104 /* Dump GIMPLE statement G to FILE using SPC indentantion spaces and
 105    FLAGS as in dump_gimple_stmt.  Print only the right-hand side
 106    of the statement.  */
 107
 108 void
 109 print_gimple_expr (FILE *file, gimple g, int spc, int flags)
 110 {
 111   flags |= TDF_RHS_ONLY;
 112   maybe_init_pretty_print (file);
 113   dump_gimple_stmt (&buffer, g, spc, flags);
 114 }
 115
 116
 117 /* Print the GIMPLE sequence SEQ on BUFFER using SPC indentantion
 118    spaces and FLAGS as in dump_gimple_stmt.  */
 119
 120 static void
 121 dump_gimple_seq (pretty_printer *buffer, gimple_seq seq, int spc, int flags)
 122 {
 123   gimple_stmt_iterator i;
 124
 125   for (i = gsi_start (seq); !gsi_end_p (i); gsi_next (&i))
 126     {
 127       gimple gs = gsi_stmt (i);
 128       INDENT (spc);
 129       dump_gimple_stmt (buffer, gs, spc, flags);
 130       if (!gsi_one_before_end_p (i))
 131         pp_newline (buffer);
 132     }
 133 }
 134
 135
 136 /* Dump GIMPLE sequence SEQ to FILE using SPC indentantion spaces and
 137    FLAGS as in dump_gimple_stmt.  */
 138
 139 void
 140 print_gimple_seq (FILE *file, gimple_seq seq, int spc, int flags)
 141 {
 142   maybe_init_pretty_print (file);
 143   dump_gimple_seq (&buffer, seq, spc, flags);
 144   pp_flush (&buffer);
 145 }
 146
 147
 148 /* Print the GIMPLE sequence SEQ on stderr.  */
 149
 150 DEBUG_FUNCTION void
 151 debug_gimple_seq (gimple_seq seq)
 152 {
 153   print_gimple_seq (stderr, seq, 0, TDF_VOPS|TDF_MEMSYMS);
 154 }
 155
 156
 157 /* A simple helper to pretty-print some of the gimple tuples in the printf
 158    style. The format modifiers are preceeded by '%' and are:
 159      'G' - outputs a string corresponding to the code of the given gimple,
 160      'S' - outputs a gimple_seq with indent of spc + 2,
 161      'T' - outputs the tree t,
 162      'd' - outputs an int as a decimal,
 163      's' - outputs a string,
 164      'n' - outputs a newline,
 165      '+' - increases indent by 2 then outputs a newline,
 166      '-' - decreases indent by 2 then outputs a newline.   */
 167
 168 static void
 169 dump_gimple_fmt (pretty_printer *buffer, int spc, int flags,
 170                  const char *fmt, ...)
 171 {
 172   va_list args;
 173   const char *c;
 174   const char *tmp;
 175
 176   va_start (args, fmt);
 177   for (c = fmt; *c; c++)
 178     {
 179       if (*c == '%')
 180         {
 181           gimple_seq seq;
 182           tree t;
 183           gimple g;
 184           switch (*++c)
 185             {
 186               case 'G':
 187                 g = va_arg (args, gimple);
 188                 tmp = gimple_code_name[gimple_code (g)];
 189                 pp_string (buffer, tmp);
 190                 break;
 191
 192               case 'S':
 193                 seq = va_arg (args, gimple_seq);
 194                 pp_newline (buffer);
 195                 dump_gimple_seq (buffer, seq, spc + 2, flags);
 196                 newline_and_indent (buffer, spc);
 197                 break;
 198
 199               case 'T':
 200                 t = va_arg (args, tree);
 201                 if (t == NULL_TREE)
 202                   pp_string (buffer, "NULL");
 203                 else
 204                   dump_generic_node (buffer, t, spc, flags, false);
 205                 break;
 206
 207               case 'd':
 208                 pp_decimal_int (buffer, va_arg (args, int));
 209                 break;
 210
 211               case 's':
 212                 pp_string (buffer, va_arg (args, char *));
 213                 break;
 214
 215               case 'n':
 216                 newline_and_indent (buffer, spc);
 217                 break;
 218
 219               case '+':
 220                 spc += 2;
 221                 newline_and_indent (buffer, spc);
 222                 break;
 223
 224               case '-':
 225                 spc -= 2;
 226                 newline_and_indent (buffer, spc);
 227                 break;
 228
 229               default:
 230                 gcc_unreachable ();
 231             }
 232         }
 233       else
 234         pp_character (buffer, *c);
 235     }
 236   va_end (args);
 237 }
 238
 239
 240 /* Helper for dump_gimple_assign.  Print the unary RHS of the
 241    assignment GS.  BUFFER, SPC and FLAGS are as in dump_gimple_stmt.  */
 242
 243 static void
 244 dump_unary_rhs (pretty_printer *buffer, gimple gs, int spc, int flags)
 245 {
 246   enum tree_code rhs_code = gimple_assign_rhs_code (gs);
 247   tree lhs = gimple_assign_lhs (gs);
 248   tree rhs = gimple_assign_rhs1 (gs);
 249
 250   switch (rhs_code)
 251     {
 252     case VIEW_CONVERT_EXPR:
 253     case ASSERT_EXPR:
 254       dump_generic_node (buffer, rhs, spc, flags, false);
 255       break;
 256
 257     case FIXED_CONVERT_EXPR:
 258     case ADDR_SPACE_CONVERT_EXPR:
 259     case FIX_TRUNC_EXPR:
 260     case FLOAT_EXPR:
 261     CASE_CONVERT:
 262       pp_character (buffer, '(');
 263       dump_generic_node (buffer, TREE_TYPE (lhs), spc, flags, false);
 264       pp_string (buffer, ") ");
 265       if (op_prio (rhs) < op_code_prio (rhs_code))
 266         {
 267           pp_character (buffer, '(');
 268           dump_generic_node (buffer, rhs, spc, flags, false);
 269           pp_character (buffer, ')');
 270         }
 271       else
 272         dump_generic_node (buffer, rhs, spc, flags, false);
 273       break;
 274
 275     case PAREN_EXPR:
 276       pp_string (buffer, "((");
 277       dump_generic_node (buffer, rhs, spc, flags, false);
 278       pp_string (buffer, "))");
 279       break;
 280
 281     case ABS_EXPR:
 282       pp_string (buffer, "ABS_EXPR <");
 283       dump_generic_node (buffer, rhs, spc, flags, false);
 284       pp_character (buffer, '>');
 285       break;
 286
 287     default:
 288       if (TREE_CODE_CLASS (rhs_code) == tcc_declaration
 289           || TREE_CODE_CLASS (rhs_code) == tcc_constant
 290           || TREE_CODE_CLASS (rhs_code) == tcc_reference
 291           || rhs_code == SSA_NAME
 292           || rhs_code == ADDR_EXPR
 293           || rhs_code == CONSTRUCTOR)
 294         {
 295           dump_generic_node (buffer, rhs, spc, flags, false);
 296           break;
 297         }
 298       else if (rhs_code == BIT_NOT_EXPR)
 299         pp_character (buffer, '~');
 300       else if (rhs_code == TRUTH_NOT_EXPR)
 301         pp_character (buffer, '!');
 302       else if (rhs_code == NEGATE_EXPR)
 303         pp_character (buffer, '-');
 304       else
 305         {
 306           pp_character (buffer, '[');
 307           pp_string (buffer, tree_code_name [rhs_code]);
 308           pp_string (buffer, "] ");
 309         }
 310
 311       if (op_prio (rhs) < op_code_prio (rhs_code))
 312         {
 313           pp_character (buffer, '(');
 314           dump_generic_node (buffer, rhs, spc, flags, false);
 315           pp_character (buffer, ')');
 316         }
 317       else
 318         dump_generic_node (buffer, rhs, spc, flags, false);
 319       break;
 320     }
 321 }
 322
 323
 324 /* Helper for dump_gimple_assign.  Print the binary RHS of the
 325    assignment GS.  BUFFER, SPC and FLAGS are as in dump_gimple_stmt.  */
 326
 327 static void
 328 dump_binary_rhs (pretty_printer *buffer, gimple gs, int spc, int flags)
 329 {
 330   const char *p;
 331   enum tree_code code = gimple_assign_rhs_code (gs);
 332   switch (code)
 333     {
 334     case COMPLEX_EXPR:
 335     case MIN_EXPR:
 336     case MAX_EXPR:
 337     case VEC_WIDEN_MULT_HI_EXPR:
 338     case VEC_WIDEN_MULT_LO_EXPR:
 339     case VEC_PACK_TRUNC_EXPR:
 340     case VEC_PACK_SAT_EXPR:
 341     case VEC_PACK_FIX_TRUNC_EXPR:
 342     case VEC_EXTRACT_EVEN_EXPR:
 343     case VEC_EXTRACT_ODD_EXPR:
 344     case VEC_INTERLEAVE_HIGH_EXPR:
 345     case VEC_INTERLEAVE_LOW_EXPR:
 346       for (p = tree_code_name [(int) code]; *p; p++)
 347         pp_character (buffer, TOUPPER (*p));
 348       pp_string (buffer, " <");
 349       dump_generic_node (buffer, gimple_assign_rhs1 (gs), spc, flags, false);
 350       pp_string (buffer, ", ");
 351       dump_generic_node (buffer, gimple_assign_rhs2 (gs), spc, flags, false);
 352       pp_character (buffer, '>');
 353       break;
 354
 355     default:
 356       if (op_prio (gimple_assign_rhs1 (gs)) <= op_code_prio (code))
 357         {
 358           pp_character (buffer, '(');
 359           dump_generic_node (buffer, gimple_assign_rhs1 (gs), spc, flags,
 360                              false);
 361           pp_character (buffer, ')');
 362         }
 363       else
 364         dump_generic_node (buffer, gimple_assign_rhs1 (gs), spc, flags, false);
 365       pp_space (buffer);
 366       pp_string (buffer, op_symbol_code (gimple_assign_rhs_code (gs)));
 367       pp_space (buffer);
 368       if (op_prio (gimple_assign_rhs2 (gs)) <= op_code_prio (code))
 369         {
 370           pp_character (buffer, '(');
 371           dump_generic_node (buffer, gimple_assign_rhs2 (gs), spc, flags,
 372                              false);
 373           pp_character (buffer, ')');
 374         }
 375       else
 376         dump_generic_node (buffer, gimple_assign_rhs2 (gs), spc, flags, false);
 377     }
 378 }
 379
 380 /* Helper for dump_gimple_assign.  Print the ternary RHS of the
 381    assignment GS.  BUFFER, SPC and FLAGS are as in dump_gimple_stmt.  */
 382
 383 static void
 384 dump_ternary_rhs (pretty_printer *buffer, gimple gs, int spc, int flags)
 385 {
 386   const char *p;
 387   enum tree_code code = gimple_assign_rhs_code (gs);
 388   switch (code)
 389     {
 390     case WIDEN_MULT_PLUS_EXPR:
 391     case WIDEN_MULT_MINUS_EXPR:
 392       for (p = tree_code_name [(int) code]; *p; p++)
 393         pp_character (buffer, TOUPPER (*p));
 394       pp_string (buffer, " <");
 395       dump_generic_node (buffer, gimple_assign_rhs1 (gs), spc, flags, false);
 396       pp_string (buffer, ", ");
 397       dump_generic_node (buffer, gimple_assign_rhs2 (gs), spc, flags, false);
 398       pp_string (buffer, ", ");
 399       dump_generic_node (buffer, gimple_assign_rhs3 (gs), spc, flags, false);
 400       pp_character (buffer, '>');
 401       break;
 402
 403     case FMA_EXPR:
 404       dump_generic_node (buffer, gimple_assign_rhs1 (gs), spc, flags, false);
 405       pp_string (buffer, " * ");
 406       dump_generic_node (buffer, gimple_assign_rhs2 (gs), spc, flags, false);
 407       pp_string (buffer, " + ");
 408       dump_generic_node (buffer, gimple_assign_rhs3 (gs), spc, flags, false);
 409       break;
 410
 411     default:
 412       gcc_unreachable ();
 413     }
 414 }
 415
 416
 417 /* Dump the gimple assignment GS.  BUFFER, SPC and FLAGS are as in
 418    dump_gimple_stmt.  */
 419
 420 static void
 421 dump_gimple_assign (pretty_printer *buffer, gimple gs, int spc, int flags)
 422 {
 423   if (flags & TDF_RAW)
 424     {
 425       tree last;
 426       if (gimple_num_ops (gs) == 2)
 427         last = NULL_TREE;
 428       else if (gimple_num_ops (gs) == 3)
 429         last = gimple_assign_rhs2 (gs);
 430       else
 431         gcc_unreachable ();
 432
 433       dump_gimple_fmt (buffer, spc, flags, "%G <%s, %T, %T, %T>", gs,
 434                        tree_code_name[gimple_assign_rhs_code (gs)],
 435                        gimple_assign_lhs (gs), gimple_assign_rhs1 (gs), last);
 436     }
 437   else
 438     {
 439       if (!(flags & TDF_RHS_ONLY))
 440         {
 441           dump_generic_node (buffer, gimple_assign_lhs (gs), spc, flags, false);
 442           pp_space (buffer);
 443           pp_character (buffer, '=');
 444
 445           if (gimple_assign_nontemporal_move_p (gs))
 446             pp_string (buffer, "{nt}");
 447
 448           if (gimple_has_volatile_ops (gs))
 449             pp_string (buffer, "{v}");
 450
 451           pp_space (buffer);
 452         }
 453
 454       if (gimple_num_ops (gs) == 2)
 455         dump_unary_rhs (buffer, gs, spc, flags);
 456       else if (gimple_num_ops (gs) == 3)
 457         dump_binary_rhs (buffer, gs, spc, flags);
 458       else if (gimple_num_ops (gs) == 4)
 459         dump_ternary_rhs (buffer, gs, spc, flags);
 460       else
 461         gcc_unreachable ();
 462       if (!(flags & TDF_RHS_ONLY))
 463         pp_semicolon(buffer);
 464     }
 465 }
 466
 467
 468 /* Dump the return statement GS.  BUFFER, SPC and FLAGS are as in
 469    dump_gimple_stmt.  */
 470
 471 static void
 472 dump_gimple_return (pretty_printer *buffer, gimple gs, int spc, int flags)
 473 {
 474   tree t;
 475
 476   t = gimple_return_retval (gs);
 477   if (flags & TDF_RAW)
 478     dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs, t);
 479   else
 480     {
 481       pp_string (buffer, "return");
 482       if (t)
 483         {
 484           pp_space (buffer);
 485           dump_generic_node (buffer, t, spc, flags, false);
 486         }
 487       pp_semicolon (buffer);
 488     }
 489 }
 490
 491
 492 /* Dump the call arguments for a gimple call. BUFFER, FLAGS are as in
 493    dump_gimple_call.  */
 494
 495 static void
 496 dump_gimple_call_args (pretty_printer *buffer, gimple gs, int flags)
 497 {
 498   size_t i;
 499
 500   for (i = 0; i < gimple_call_num_args (gs); i++)
 501     {
 502       dump_generic_node (buffer, gimple_call_arg (gs, i), 0, flags, false);
 503       if (i < gimple_call_num_args (gs) - 1)
 504         pp_string (buffer, ", ");
 505     }
 506
 507   if (gimple_call_va_arg_pack_p (gs))
 508     {
 509       if (gimple_call_num_args (gs) > 0)
 510         {
 511           pp_character (buffer, ',');
 512           pp_space (buffer);
 513         }
 514
 515       pp_string (buffer, "__builtin_va_arg_pack ()");
 516     }
 517 }
 518
 519 /* Dump the points-to solution *PT to BUFFER.  */
 520
 521 static void
 522 pp_points_to_solution (pretty_printer *buffer, struct pt_solution *pt)
 523 {
 524   if (pt->anything)
 525     {
 526       pp_string (buffer, "anything ");
 527       return;
 528     }
 529   if (pt->nonlocal)
 530     pp_string (buffer, "nonlocal ");
 531   if (pt->escaped)
 532     pp_string (buffer, "escaped ");
 533   if (pt->ipa_escaped)
 534     pp_string (buffer, "unit-escaped ");
 535   if (pt->null)
 536     pp_string (buffer, "null ");
 537   if (pt->vars
 538       && !bitmap_empty_p (pt->vars))
 539     {
 540       bitmap_iterator bi;
 541       unsigned i;
 542       pp_string (buffer, "{ ");
 543       EXECUTE_IF_SET_IN_BITMAP (pt->vars, 0, i, bi)
 544         {
 545           tree var = referenced_var_lookup (i);
 546           if (var)
 547             {
 548               dump_generic_node (buffer, var, 0, dump_flags, false);
 549               if (DECL_PT_UID (var) != DECL_UID (var))
 550                 {
 551                   pp_string (buffer, "ptD.");
 552                   pp_decimal_int (buffer, DECL_PT_UID (var));
 553                 }
 554             }
 555           else
 556             {
 557               pp_string (buffer, "D.");
 558               pp_decimal_int (buffer, i);
 559             }
 560           pp_character (buffer, ' ');
 561         }
 562       pp_character (buffer, '}');
 563       if (pt->vars_contains_global)
 564         pp_string (buffer, " (glob)");
 565       if (pt->vars_contains_restrict)
 566         pp_string (buffer, " (restr)");
 567     }
 568 }
 569
 570 /* Dump the call statement GS.  BUFFER, SPC and FLAGS are as in
 571    dump_gimple_stmt.  */
 572
 573 static void
 574 dump_gimple_call (pretty_printer *buffer, gimple gs, int spc, int flags)
 575 {
 576   tree lhs = gimple_call_lhs (gs);
 577
 578   if (flags & TDF_ALIAS)
 579     {
 580       struct pt_solution *pt;
 581       pt = gimple_call_use_set (gs);
 582       if (!pt_solution_empty_p (pt))
 583         {
 584           pp_string (buffer, "# USE = ");
 585           pp_points_to_solution (buffer, pt);
 586           newline_and_indent (buffer, spc);
 587         }
 588       pt = gimple_call_clobber_set (gs);
 589       if (!pt_solution_empty_p (pt))
 590         {
 591           pp_string (buffer, "# CLB = ");
 592           pp_points_to_solution (buffer, pt);
 593           newline_and_indent (buffer, spc);
 594         }
 595     }
 596
 597   if (flags & TDF_RAW)
 598     {
 599       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T",
 600                      gs, gimple_call_fn (gs), lhs);
 601       if (gimple_call_num_args (gs) > 0)
 602         {
 603           pp_string (buffer, ", ");
 604           dump_gimple_call_args (buffer, gs, flags);
 605         }
 606       pp_character (buffer, '>');
 607     }
 608   else
 609     {
 610       if (lhs && !(flags & TDF_RHS_ONLY))
 611         {
 612           dump_generic_node (buffer, lhs, spc, flags, false);
 613           pp_string (buffer, " =");
 614
 615           if (gimple_has_volatile_ops (gs))
 616             pp_string (buffer, "{v}");
 617
 618           pp_space (buffer);
 619         }
 620       print_call_name (buffer, gimple_call_fn (gs), flags);
 621       pp_string (buffer, " (");
 622       dump_gimple_call_args (buffer, gs, flags);
 623       pp_character (buffer, ')');
 624       if (!(flags & TDF_RHS_ONLY))
 625         pp_semicolon (buffer);
 626     }
 627
 628   if (gimple_call_chain (gs))
 629     {
 630       pp_string (buffer, " [static-chain: ");
 631       dump_generic_node (buffer, gimple_call_chain (gs), spc, flags, false);
 632       pp_character (buffer, ']');
 633     }
 634
 635   if (gimple_call_return_slot_opt_p (gs))
 636     pp_string (buffer, " [return slot optimization]");
 637
 638   if (gimple_call_tail_p (gs))
 639     pp_string (buffer, " [tail call]");
 640 }
 641
 642
 643 /* Dump the switch statement GS.  BUFFER, SPC and FLAGS are as in
 644    dump_gimple_stmt.  */
 645
 646 static void
 647 dump_gimple_switch (pretty_printer *buffer, gimple gs, int spc, int flags)
 648 {
 649   unsigned int i;
 650
 651   GIMPLE_CHECK (gs, GIMPLE_SWITCH);
 652   if (flags & TDF_RAW)
 653     dump_gimple_fmt (buffer, spc, flags, "%G <%T, ", gs,
 654                    gimple_switch_index (gs));
 655   else
 656     {
 657       pp_string (buffer, "switch (");
 658       dump_generic_node (buffer, gimple_switch_index (gs), spc, flags, true);
 659       pp_string (buffer, ") <");
 660     }
 661
 662   for (i = 0; i < gimple_switch_num_labels (gs); i++)
 663     {
 664       tree case_label = gimple_switch_label (gs, i);
 665       if (case_label == NULL_TREE)
 666         continue;
 667
 668       dump_generic_node (buffer, case_label, spc, flags, false);
 669       pp_character (buffer, ' ');
 670       dump_generic_node (buffer, CASE_LABEL (case_label), spc, flags, false);
 671       if (i < gimple_switch_num_labels (gs) - 1)
 672         pp_string (buffer, ", ");
 673     }
 674   pp_character (buffer, '>');
 675 }
 676
 677
 678 /* Dump the gimple conditional GS.  BUFFER, SPC and FLAGS are as in
 679    dump_gimple_stmt.  */
 680
 681 static void
 682 dump_gimple_cond (pretty_printer *buffer, gimple gs, int spc, int flags)
 683 {
 684   if (flags & TDF_RAW)
 685     dump_gimple_fmt (buffer, spc, flags, "%G <%s, %T, %T, %T, %T>", gs,
 686                    tree_code_name [gimple_cond_code (gs)],
 687                    gimple_cond_lhs (gs), gimple_cond_rhs (gs),
 688                    gimple_cond_true_label (gs), gimple_cond_false_label (gs));
 689   else
 690     {
 691       if (!(flags & TDF_RHS_ONLY))
 692         pp_string (buffer, "if (");
 693       dump_generic_node (buffer, gimple_cond_lhs (gs), spc, flags, false);
 694       pp_space (buffer);
 695       pp_string (buffer, op_symbol_code (gimple_cond_code (gs)));
 696       pp_space (buffer);
 697       dump_generic_node (buffer, gimple_cond_rhs (gs), spc, flags, false);
 698       if (!(flags & TDF_RHS_ONLY))
 699         {
 700           pp_character (buffer, ')');
 701
 702           if (gimple_cond_true_label (gs))
 703             {
 704               pp_string (buffer, " goto ");
 705               dump_generic_node (buffer, gimple_cond_true_label (gs),
 706                                  spc, flags, false);
 707               pp_semicolon (buffer);
 708             }
 709           if (gimple_cond_false_label (gs))
 710             {
 711               pp_string (buffer, " else goto ");
 712               dump_generic_node (buffer, gimple_cond_false_label (gs),
 713                                  spc, flags, false);
 714               pp_semicolon (buffer);
 715             }
 716         }
 717     }
 718 }
 719
 720
 721 /* Dump a GIMPLE_LABEL tuple on the pretty_printer BUFFER, SPC
 722    spaces of indent.  FLAGS specifies details to show in the dump (see
 723    TDF_* in tree-pass.h).  */
 724
 725 static void
 726 dump_gimple_label (pretty_printer *buffer, gimple gs, int spc, int flags)
 727 {
 728   tree label = gimple_label_label (gs);
 729   if (flags & TDF_RAW)
 730       dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs, label);
 731   else
 732     {
 733       dump_generic_node (buffer, label, spc, flags, false);
 734       pp_character (buffer, ':');
 735     }
 736   if (DECL_NONLOCAL (label))
 737     pp_string (buffer, " [non-local]");
 738   if ((flags & TDF_EH) && EH_LANDING_PAD_NR (label))
 739     pp_printf (buffer, " [LP %d]", EH_LANDING_PAD_NR (label));
 740 }
 741
 742 /* Dump a GIMPLE_GOTO tuple on the pretty_printer BUFFER, SPC
 743    spaces of indent.  FLAGS specifies details to show in the dump (see
 744    TDF_* in tree-pass.h).  */
 745
 746 static void
 747 dump_gimple_goto (pretty_printer *buffer, gimple gs, int spc, int flags)
 748 {
 749   tree label = gimple_goto_dest (gs);
 750   if (flags & TDF_RAW)
 751     dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs, label);
 752   else
 753     dump_gimple_fmt (buffer, spc, flags, "goto %T;", label);
 754 }
 755
 756
 757 /* Dump a GIMPLE_BIND tuple on the pretty_printer BUFFER, SPC
 758    spaces of indent.  FLAGS specifies details to show in the dump (see
 759    TDF_* in tree-pass.h).  */
 760
 761 static void
 762 dump_gimple_bind (pretty_printer *buffer, gimple gs, int spc, int flags)
 763 {
 764   if (flags & TDF_RAW)
 765     dump_gimple_fmt (buffer, spc, flags, "%G <", gs);
 766   else
 767     pp_character (buffer, '{');
 768   if (!(flags & TDF_SLIM))
 769     {
 770       tree var;
 771
 772       for (var = gimple_bind_vars (gs); var; var = DECL_CHAIN (var))
 773         {
 774           newline_and_indent (buffer, 2);
 775           print_declaration (buffer, var, spc, flags);
 776         }
 777       if (gimple_bind_vars (gs))
 778         pp_newline (buffer);
 779     }
 780   pp_newline (buffer);
 781   dump_gimple_seq (buffer, gimple_bind_body (gs), spc + 2, flags);
 782   newline_and_indent (buffer, spc);
 783   if (flags & TDF_RAW)
 784     pp_character (buffer, '>');
 785   else
 786     pp_character (buffer, '}');
 787 }
 788
 789
 790 /* Dump a GIMPLE_TRY tuple on the pretty_printer BUFFER, SPC spaces of
 791    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 792    tree-pass.h).  */
 793
 794 static void
 795 dump_gimple_try (pretty_printer *buffer, gimple gs, int spc, int flags)
 796 {
 797   if (flags & TDF_RAW)
 798     {
 799       const char *type;
 800       if (gimple_try_kind (gs) == GIMPLE_TRY_CATCH)
 801         type = "GIMPLE_TRY_CATCH";
 802       else if (gimple_try_kind (gs) == GIMPLE_TRY_FINALLY)
 803         type = "GIMPLE_TRY_FINALLY";
 804       else
 805         type = "UNKNOWN GIMPLE_TRY";
 806       dump_gimple_fmt (buffer, spc, flags,
 807                        "%G <%s,%+EVAL <%S>%nCLEANUP <%S>%->", gs, type,
 808                        gimple_try_eval (gs), gimple_try_cleanup (gs));
 809     }
 810   else
 811     {
 812       pp_string (buffer, "try");
 813       newline_and_indent (buffer, spc + 2);
 814       pp_character (buffer, '{');
 815       pp_newline (buffer);
 816
 817       dump_gimple_seq (buffer, gimple_try_eval (gs), spc + 4, flags);
 818       newline_and_indent (buffer, spc + 2);
 819       pp_character (buffer, '}');
 820
 821       if (gimple_try_kind (gs) == GIMPLE_TRY_CATCH)
 822         {
 823           newline_and_indent (buffer, spc);
 824           pp_string (buffer, "catch");
 825           newline_and_indent (buffer, spc + 2);
 826           pp_character (buffer, '{');
 827         }
 828       else if (gimple_try_kind (gs) == GIMPLE_TRY_FINALLY)
 829         {
 830           newline_and_indent (buffer, spc);
 831           pp_string (buffer, "finally");
 832           newline_and_indent (buffer, spc + 2);
 833           pp_character (buffer, '{');
 834         }
 835       else
 836         pp_string (buffer, " <UNKNOWN GIMPLE_TRY> {");
 837
 838       pp_newline (buffer);
 839       dump_gimple_seq (buffer, gimple_try_cleanup (gs), spc + 4, flags);
 840       newline_and_indent (buffer, spc + 2);
 841       pp_character (buffer, '}');
 842     }
 843 }
 844
 845
 846 /* Dump a GIMPLE_CATCH tuple on the pretty_printer BUFFER, SPC spaces of
 847    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 848    tree-pass.h).  */
 849
 850 static void
 851 dump_gimple_catch (pretty_printer *buffer, gimple gs, int spc, int flags)
 852 {
 853   if (flags & TDF_RAW)
 854       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %+CATCH <%S>%->", gs,
 855                        gimple_catch_types (gs), gimple_catch_handler (gs));
 856   else
 857       dump_gimple_fmt (buffer, spc, flags, "catch (%T)%+{%S}",
 858                        gimple_catch_types (gs), gimple_catch_handler (gs));
 859 }
 860
 861
 862 /* Dump a GIMPLE_EH_FILTER tuple on the pretty_printer BUFFER, SPC spaces of
 863    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 864    tree-pass.h).  */
 865
 866 static void
 867 dump_gimple_eh_filter (pretty_printer *buffer, gimple gs, int spc, int flags)
 868 {
 869   if (flags & TDF_RAW)
 870     dump_gimple_fmt (buffer, spc, flags, "%G <%T, %+FAILURE <%S>%->", gs,
 871                      gimple_eh_filter_types (gs),
 872                      gimple_eh_filter_failure (gs));
 873   else
 874     dump_gimple_fmt (buffer, spc, flags, "<<<eh_filter (%T)>>>%+{%+%S%-}",
 875                      gimple_eh_filter_types (gs),
 876                      gimple_eh_filter_failure (gs));
 877 }
 878
 879
 880 /* Dump a GIMPLE_EH_MUST_NOT_THROW tuple.  */
 881
 882 static void
 883 dump_gimple_eh_must_not_throw (pretty_printer *buffer, gimple gs,
 884                                int spc, int flags)
 885 {
 886   if (flags & TDF_RAW)
 887     dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs,
 888                      gimple_eh_must_not_throw_fndecl (gs));
 889   else
 890     dump_gimple_fmt (buffer, spc, flags, "<<<eh_must_not_throw (%T)>>>",
 891                      gimple_eh_must_not_throw_fndecl (gs));
 892 }
 893
 894
 895 /* Dump a GIMPLE_RESX tuple on the pretty_printer BUFFER, SPC spaces of
 896    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 897    tree-pass.h).  */
 898
 899 static void
 900 dump_gimple_resx (pretty_printer *buffer, gimple gs, int spc, int flags)
 901 {
 902   if (flags & TDF_RAW)
 903     dump_gimple_fmt (buffer, spc, flags, "%G <%d>", gs,
 904                      gimple_resx_region (gs));
 905   else
 906     dump_gimple_fmt (buffer, spc, flags, "resx %d", gimple_resx_region (gs));
 907 }
 908
 909 /* Dump a GIMPLE_EH_DISPATCH tuple on the pretty_printer BUFFER.  */
 910
 911 static void
 912 dump_gimple_eh_dispatch (pretty_printer *buffer, gimple gs, int spc, int flags)
 913 {
 914   if (flags & TDF_RAW)
 915     dump_gimple_fmt (buffer, spc, flags, "%G <%d>", gs,
 916                      gimple_eh_dispatch_region (gs));
 917   else
 918     dump_gimple_fmt (buffer, spc, flags, "eh_dispatch %d",
 919                      gimple_eh_dispatch_region (gs));
 920 }
 921
 922 /* Dump a GIMPLE_DEBUG tuple on the pretty_printer BUFFER, SPC spaces
 923    of indent.  FLAGS specifies details to show in the dump (see TDF_*
 924    in tree-pass.h).  */
 925
 926 static void
 927 dump_gimple_debug (pretty_printer *buffer, gimple gs, int spc, int flags)
 928 {
 929   switch (gs->gsbase.subcode)
 930     {
 931     case GIMPLE_DEBUG_BIND:
 932       if (flags & TDF_RAW)
 933         dump_gimple_fmt (buffer, spc, flags, "%G BIND <%T, %T>", gs,
 934                          gimple_debug_bind_get_var (gs),
 935                          gimple_debug_bind_get_value (gs));
 936       else
 937         dump_gimple_fmt (buffer, spc, flags, "# DEBUG %T => %T",
 938                          gimple_debug_bind_get_var (gs),
 939                          gimple_debug_bind_get_value (gs));
 940       break;
 941
 942     default:
 943       gcc_unreachable ();
 944     }
 945 }
 946
 947 /* Dump a GIMPLE_OMP_FOR tuple on the pretty_printer BUFFER.  */
 948 static void
 949 dump_gimple_omp_for (pretty_printer *buffer, gimple gs, int spc, int flags)
 950 {
 951   size_t i;
 952
 953   if (flags & TDF_RAW)
 954     {
 955       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
 956                        gimple_omp_body (gs));
 957       dump_omp_clauses (buffer, gimple_omp_for_clauses (gs), spc, flags);
 958       dump_gimple_fmt (buffer, spc, flags, " >,");
 959       for (i = 0; i < gimple_omp_for_collapse (gs); i++)
 960         dump_gimple_fmt (buffer, spc, flags,
 961                          "%+%T, %T, %T, %s, %T,%n",
 962                          gimple_omp_for_index (gs, i),
 963                          gimple_omp_for_initial (gs, i),
 964                          gimple_omp_for_final (gs, i),
 965                          tree_code_name[gimple_omp_for_cond (gs, i)],
 966                          gimple_omp_for_incr (gs, i));
 967       dump_gimple_fmt (buffer, spc, flags, "PRE_BODY <%S>%->",
 968                        gimple_omp_for_pre_body (gs));
 969     }
 970   else
 971     {
 972       pp_string (buffer, "#pragma omp for");
 973       dump_omp_clauses (buffer, gimple_omp_for_clauses (gs), spc, flags);
 974       for (i = 0; i < gimple_omp_for_collapse (gs); i++)
 975         {
 976           if (i)
 977             spc += 2;
 978           newline_and_indent (buffer, spc);
 979           pp_string (buffer, "for (");
 980           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
 981                              flags, false);
 982           pp_string (buffer, " = ");
 983           dump_generic_node (buffer, gimple_omp_for_initial (gs, i), spc,
 984                              flags, false);
 985           pp_string (buffer, "; ");
 986
 987           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
 988                              flags, false);
 989           pp_space (buffer);
 990           switch (gimple_omp_for_cond (gs, i))
 991             {
 992             case LT_EXPR:
 993               pp_character (buffer, '<');
 994               break;
 995             case GT_EXPR:
 996               pp_character (buffer, '>');
 997               break;
 998             case LE_EXPR:
 999               pp_string (buffer, "<=");
1000               break;
1001             case GE_EXPR:
1002               pp_string (buffer, ">=");
1003               break;
1004             default:
1005               gcc_unreachable ();
1006             }
1007           pp_space (buffer);
1008           dump_generic_node (buffer, gimple_omp_for_final (gs, i), spc,
1009                              flags, false);
1010           pp_string (buffer, "; ");
1011
1012           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
1013                              flags, false);
1014           pp_string (buffer, " = ");
1015           dump_generic_node (buffer, gimple_omp_for_incr (gs, i), spc,
1016                              flags, false);
1017           pp_character (buffer, ')');
1018         }
1019
1020       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1021         {
1022           newline_and_indent (buffer, spc + 2);
1023           pp_character (buffer, '{');
1024           pp_newline (buffer);
1025           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1026           newline_and_indent (buffer, spc + 2);
1027           pp_character (buffer, '}');
1028         }
1029     }
1030 }
1031
1032 /* Dump a GIMPLE_OMP_CONTINUE tuple on the pretty_printer BUFFER.  */
1033
1034 static void
1035 dump_gimple_omp_continue (pretty_printer *buffer, gimple gs, int spc, int flags)
1036 {
1037   if (flags & TDF_RAW)
1038     {
1039       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T>", gs,
1040                        gimple_omp_continue_control_def (gs),
1041                        gimple_omp_continue_control_use (gs));
1042     }
1043   else
1044     {
1045       pp_string (buffer, "#pragma omp continue (");
1046       dump_generic_node (buffer, gimple_omp_continue_control_def (gs),
1047                          spc, flags, false);
1048       pp_character (buffer, ',');
1049       pp_space (buffer);
1050       dump_generic_node (buffer, gimple_omp_continue_control_use (gs),
1051                          spc, flags, false);
1052       pp_character (buffer, ')');
1053     }
1054 }
1055
1056 /* Dump a GIMPLE_OMP_SINGLE tuple on the pretty_printer BUFFER.  */
1057
1058 static void
1059 dump_gimple_omp_single (pretty_printer *buffer, gimple gs, int spc, int flags)
1060 {
1061   if (flags & TDF_RAW)
1062     {
1063       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1064                        gimple_omp_body (gs));
1065       dump_omp_clauses (buffer, gimple_omp_single_clauses (gs), spc, flags);
1066       dump_gimple_fmt (buffer, spc, flags, " >");
1067     }
1068   else
1069     {
1070       pp_string (buffer, "#pragma omp single");
1071       dump_omp_clauses (buffer, gimple_omp_single_clauses (gs), spc, flags);
1072       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1073         {
1074           newline_and_indent (buffer, spc + 2);
1075           pp_character (buffer, '{');
1076           pp_newline (buffer);
1077           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1078           newline_and_indent (buffer, spc + 2);
1079           pp_character (buffer, '}');
1080         }
1081     }
1082 }
1083
1084 /* Dump a GIMPLE_OMP_SECTIONS tuple on the pretty_printer BUFFER.  */
1085
1086 static void
1087 dump_gimple_omp_sections (pretty_printer *buffer, gimple gs, int spc,
1088                           int flags)
1089 {
1090   if (flags & TDF_RAW)
1091     {
1092       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1093                        gimple_omp_body (gs));
1094       dump_omp_clauses (buffer, gimple_omp_sections_clauses (gs), spc, flags);
1095       dump_gimple_fmt (buffer, spc, flags, " >");
1096     }
1097   else
1098     {
1099       pp_string (buffer, "#pragma omp sections");
1100       if (gimple_omp_sections_control (gs))
1101         {
1102           pp_string (buffer, " <");
1103           dump_generic_node (buffer, gimple_omp_sections_control (gs), spc,
1104                              flags, false);
1105           pp_character (buffer, '>');
1106         }
1107       dump_omp_clauses (buffer, gimple_omp_sections_clauses (gs), spc, flags);
1108       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1109         {
1110           newline_and_indent (buffer, spc + 2);
1111           pp_character (buffer, '{');
1112           pp_newline (buffer);
1113           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1114           newline_and_indent (buffer, spc + 2);
1115           pp_character (buffer, '}');
1116         }
1117     }
1118 }
1119
1120 /* Dump a GIMPLE_OMP_{MASTER,ORDERED,SECTION} tuple on the pretty_printer
1121    BUFFER.  */
1122
1123 static void
1124 dump_gimple_omp_block (pretty_printer *buffer, gimple gs, int spc, int flags)
1125 {
1126   if (flags & TDF_RAW)
1127     dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S> >", gs,
1128                      gimple_omp_body (gs));
1129   else
1130     {
1131       switch (gimple_code (gs))
1132         {
1133         case GIMPLE_OMP_MASTER:
1134           pp_string (buffer, "#pragma omp master");
1135           break;
1136         case GIMPLE_OMP_ORDERED:
1137           pp_string (buffer, "#pragma omp ordered");
1138           break;
1139         case GIMPLE_OMP_SECTION:
1140           pp_string (buffer, "#pragma omp section");
1141           break;
1142         default:
1143           gcc_unreachable ();
1144         }
1145       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1146         {
1147           newline_and_indent (buffer, spc + 2);
1148           pp_character (buffer, '{');
1149           pp_newline (buffer);
1150           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1151           newline_and_indent (buffer, spc + 2);
1152           pp_character (buffer, '}');
1153         }
1154     }
1155 }
1156
1157 /* Dump a GIMPLE_OMP_CRITICAL tuple on the pretty_printer BUFFER.  */
1158
1159 static void
1160 dump_gimple_omp_critical (pretty_printer *buffer, gimple gs, int spc,
1161                           int flags)
1162 {
1163   if (flags & TDF_RAW)
1164     dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S> >", gs,
1165                      gimple_omp_body (gs));
1166   else
1167     {
1168       pp_string (buffer, "#pragma omp critical");
1169       if (gimple_omp_critical_name (gs))
1170         {
1171           pp_string (buffer, " (");
1172           dump_generic_node (buffer, gimple_omp_critical_name (gs), spc,
1173                              flags, false);
1174           pp_character (buffer, ')');
1175         }
1176       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1177         {
1178           newline_and_indent (buffer, spc + 2);
1179           pp_character (buffer, '{');
1180           pp_newline (buffer);
1181           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1182           newline_and_indent (buffer, spc + 2);
1183           pp_character (buffer, '}');
1184         }
1185     }
1186 }
1187
1188 /* Dump a GIMPLE_OMP_RETURN tuple on the pretty_printer BUFFER.  */
1189
1190 static void
1191 dump_gimple_omp_return (pretty_printer *buffer, gimple gs, int spc, int flags)
1192 {
1193   if (flags & TDF_RAW)
1194     {
1195       dump_gimple_fmt (buffer, spc, flags, "%G <nowait=%d>", gs,
1196                        (int) gimple_omp_return_nowait_p (gs));
1197     }
1198   else
1199     {
1200       pp_string (buffer, "#pragma omp return");
1201       if (gimple_omp_return_nowait_p (gs))
1202         pp_string (buffer, "(nowait)");
1203     }
1204 }
1205
1206 /* Dump a GIMPLE_ASM tuple on the pretty_printer BUFFER, SPC spaces of
1207    indent.  FLAGS specifies details to show in the dump (see TDF_* in
1208    tree-pass.h).  */
1209
1210 static void
1211 dump_gimple_asm (pretty_printer *buffer, gimple gs, int spc, int flags)
1212 {
1213   unsigned int i, n, f, fields;
1214
1215   if (flags & TDF_RAW)
1216     {
1217       dump_gimple_fmt (buffer, spc, flags, "%G <%+STRING <%n%s%n>", gs,
1218                        gimple_asm_string (gs));
1219
1220       n = gimple_asm_noutputs (gs);
1221       if (n)
1222         {
1223           newline_and_indent (buffer, spc + 2);
1224           pp_string (buffer, "OUTPUT: ");
1225           for (i = 0; i < n; i++)
1226             {
1227               dump_generic_node (buffer, gimple_asm_output_op (gs, i),
1228                                  spc, flags, false);
1229               if (i < n - 1)
1230                 pp_string (buffer, ", ");
1231             }
1232         }
1233
1234       n = gimple_asm_ninputs (gs);
1235       if (n)
1236         {
1237           newline_and_indent (buffer, spc + 2);
1238           pp_string (buffer, "INPUT: ");
1239           for (i = 0; i < n; i++)
1240             {
1241               dump_generic_node (buffer, gimple_asm_input_op (gs, i),
1242                                  spc, flags, false);
1243               if (i < n - 1)
1244                 pp_string (buffer, ", ");
1245             }
1246         }
1247
1248       n = gimple_asm_nclobbers (gs);
1249       if (n)
1250         {
1251           newline_and_indent (buffer, spc + 2);
1252           pp_string (buffer, "CLOBBER: ");
1253           for (i = 0; i < n; i++)
1254             {
1255               dump_generic_node (buffer, gimple_asm_clobber_op (gs, i),
1256                                  spc, flags, false);
1257               if (i < n - 1)
1258                 pp_string (buffer, ", ");
1259             }
1260         }
1261
1262       n = gimple_asm_nlabels (gs);
1263       if (n)
1264         {
1265           newline_and_indent (buffer, spc + 2);
1266           pp_string (buffer, "LABEL: ");
1267           for (i = 0; i < n; i++)
1268             {
1269               dump_generic_node (buffer, gimple_asm_label_op (gs, i),
1270                                  spc, flags, false);
1271               if (i < n - 1)
1272                 pp_string (buffer, ", ");
1273             }
1274         }
1275
1276       newline_and_indent (buffer, spc);
1277       pp_character (buffer, '>');
1278     }
1279   else
1280     {
1281       pp_string (buffer, "__asm__");
1282       if (gimple_asm_volatile_p (gs))
1283         pp_string (buffer, " __volatile__");
1284       if (gimple_asm_nlabels (gs))
1285         pp_string (buffer, " goto");
1286       pp_string (buffer, "(\"");
1287       pp_string (buffer, gimple_asm_string (gs));
1288       pp_string (buffer, "\"");
1289
1290       if (gimple_asm_nlabels (gs))
1291         fields = 4;
1292       else if (gimple_asm_nclobbers (gs))
1293         fields = 3;
1294       else if (gimple_asm_ninputs (gs))
1295         fields = 2;
1296       else if (gimple_asm_noutputs (gs))
1297         fields = 1;
1298       else
1299         fields = 0;
1300
1301       for (f = 0; f < fields; ++f)
1302         {
1303           pp_string (buffer, " : ");
1304
1305           switch (f)
1306             {
1307             case 0:
1308               n = gimple_asm_noutputs (gs);
1309               for (i = 0; i < n; i++)
1310                 {
1311                   dump_generic_node (buffer, gimple_asm_output_op (gs, i),
1312                                      spc, flags, false);
1313                   if (i < n - 1)
1314                     pp_string (buffer, ", ");
1315                 }
1316               break;
1317
1318             case 1:
1319               n = gimple_asm_ninputs (gs);
1320               for (i = 0; i < n; i++)
1321                 {
1322                   dump_generic_node (buffer, gimple_asm_input_op (gs, i),
1323                                      spc, flags, false);
1324                   if (i < n - 1)
1325                     pp_string (buffer, ", ");
1326                 }
1327               break;
1328
1329             case 2:
1330               n = gimple_asm_nclobbers (gs);
1331               for (i = 0; i < n; i++)
1332                 {
1333                   dump_generic_node (buffer, gimple_asm_clobber_op (gs, i),
1334                                      spc, flags, false);
1335                   if (i < n - 1)
1336                     pp_string (buffer, ", ");
1337                 }
1338               break;
1339
1340             case 3:
1341               n = gimple_asm_nlabels (gs);
1342               for (i = 0; i < n; i++)
1343                 {
1344                   dump_generic_node (buffer, gimple_asm_label_op (gs, i),
1345                                      spc, flags, false);
1346                   if (i < n - 1)
1347                     pp_string (buffer, ", ");
1348                 }
1349               break;
1350
1351             default:
1352               gcc_unreachable ();
1353             }
1354         }
1355
1356       pp_string (buffer, ");");
1357     }
1358 }
1359
1360
1361 /* Dump a PHI node PHI.  BUFFER, SPC and FLAGS are as in
1362    dump_gimple_stmt.  */
1363
1364 static void
1365 dump_gimple_phi (pretty_printer *buffer, gimple phi, int spc, int flags)
1366 {
1367   size_t i;
1368   tree lhs = gimple_phi_result (phi);
1369
1370   if (flags & TDF_ALIAS
1371       && POINTER_TYPE_P (TREE_TYPE (lhs))
1372       && SSA_NAME_PTR_INFO (lhs))
1373     {
1374       struct ptr_info_def *pi = SSA_NAME_PTR_INFO (lhs);
1375       pp_string (buffer, "PT = ");
1376       pp_points_to_solution (buffer, &pi->pt);
1377       newline_and_indent (buffer, spc);
1378       if (pi->align != 1)
1379         pp_printf (buffer, "# ALIGN = %u, MISALIGN = %u",
1380                    pi->align, pi->misalign);
1381       newline_and_indent (buffer, spc);
1382       pp_string (buffer, "# ");
1383     }
1384
1385   if (flags & TDF_RAW)
1386       dump_gimple_fmt (buffer, spc, flags, "%G <%T, ", phi,
1387                        gimple_phi_result (phi));
1388   else
1389     {
1390       dump_generic_node (buffer, lhs, spc, flags, false);
1391       pp_string (buffer, " = PHI <");
1392     }
1393   for (i = 0; i < gimple_phi_num_args (phi); i++)
1394     {
1395       if ((flags & TDF_LINENO) && gimple_phi_arg_has_location (phi, i))
1396         {
1397           expanded_location xloc;
1398
1399           xloc = expand_location (gimple_phi_arg_location (phi, i));
1400           pp_character (buffer, '[');
1401           if (xloc.file)
1402             {
1403               pp_string (buffer, xloc.file);
1404               pp_string (buffer, " : ");
1405             }
1406           pp_decimal_int (buffer, xloc.line);
1407           pp_string (buffer, ":");
1408           pp_decimal_int (buffer, xloc.column);
1409           pp_string (buffer, "] ");
1410         }
1411       dump_generic_node (buffer, gimple_phi_arg_def (phi, i), spc, flags,
1412                          false);
1413       pp_character (buffer, '(');
1414       pp_decimal_int (buffer, gimple_phi_arg_edge (phi, i)->src->index);
1415       pp_character (buffer, ')');
1416       if (i < gimple_phi_num_args (phi) - 1)
1417         pp_string (buffer, ", ");
1418     }
1419   pp_character (buffer, '>');
1420 }
1421
1422
1423 /* Dump a GIMPLE_OMP_PARALLEL tuple on the pretty_printer BUFFER, SPC spaces
1424    of indent.  FLAGS specifies details to show in the dump (see TDF_* in
1425    tree-pass.h).  */
1426
1427 static void
1428 dump_gimple_omp_parallel (pretty_printer *buffer, gimple gs, int spc,
1429                           int flags)
1430 {
1431   if (flags & TDF_RAW)
1432     {
1433       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1434                        gimple_omp_body (gs));
1435       dump_omp_clauses (buffer, gimple_omp_parallel_clauses (gs), spc, flags);
1436       dump_gimple_fmt (buffer, spc, flags, " >, %T, %T%n>",
1437                        gimple_omp_parallel_child_fn (gs),
1438                        gimple_omp_parallel_data_arg (gs));
1439     }
1440   else
1441     {
1442       gimple_seq body;
1443       pp_string (buffer, "#pragma omp parallel");
1444       dump_omp_clauses (buffer, gimple_omp_parallel_clauses (gs), spc, flags);
1445       if (gimple_omp_parallel_child_fn (gs))
1446         {
1447           pp_string (buffer, " [child fn: ");
1448           dump_generic_node (buffer, gimple_omp_parallel_child_fn (gs),
1449                              spc, flags, false);
1450           pp_string (buffer, " (");
1451           if (gimple_omp_parallel_data_arg (gs))
1452             dump_generic_node (buffer, gimple_omp_parallel_data_arg (gs),
1453                                spc, flags, false);
1454           else
1455             pp_string (buffer, "???");
1456           pp_string (buffer, ")]");
1457         }
1458       body = gimple_omp_body (gs);
1459       if (body && gimple_code (gimple_seq_first_stmt (body)) != GIMPLE_BIND)
1460         {
1461           newline_and_indent (buffer, spc + 2);
1462           pp_character (buffer, '{');
1463           pp_newline (buffer);
1464           dump_gimple_seq (buffer, body, spc + 4, flags);
1465           newline_and_indent (buffer, spc + 2);
1466           pp_character (buffer, '}');
1467         }
1468       else if (body)
1469         {
1470           pp_newline (buffer);
1471           dump_gimple_seq (buffer, body, spc + 2, flags);
1472         }
1473     }
1474 }
1475
1476
1477 /* Dump a GIMPLE_OMP_TASK tuple on the pretty_printer BUFFER, SPC spaces
1478    of indent.  FLAGS specifies details to show in the dump (see TDF_* in
1479    tree-pass.h).  */
1480
1481 static void
1482 dump_gimple_omp_task (pretty_printer *buffer, gimple gs, int spc,
1483                       int flags)
1484 {
1485   if (flags & TDF_RAW)
1486     {
1487       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1488                        gimple_omp_body (gs));
1489       dump_omp_clauses (buffer, gimple_omp_task_clauses (gs), spc, flags);
1490       dump_gimple_fmt (buffer, spc, flags, " >, %T, %T, %T, %T, %T%n>",
1491                        gimple_omp_task_child_fn (gs),
1492                        gimple_omp_task_data_arg (gs),
1493                        gimple_omp_task_copy_fn (gs),
1494                        gimple_omp_task_arg_size (gs),
1495                        gimple_omp_task_arg_size (gs));
1496     }
1497   else
1498     {
1499       gimple_seq body;
1500       pp_string (buffer, "#pragma omp task");
1501       dump_omp_clauses (buffer, gimple_omp_task_clauses (gs), spc, flags);
1502       if (gimple_omp_task_child_fn (gs))
1503         {
1504           pp_string (buffer, " [child fn: ");
1505           dump_generic_node (buffer, gimple_omp_task_child_fn (gs),
1506                              spc, flags, false);
1507           pp_string (buffer, " (");
1508           if (gimple_omp_task_data_arg (gs))
1509             dump_generic_node (buffer, gimple_omp_task_data_arg (gs),
1510                                spc, flags, false);
1511           else
1512             pp_string (buffer, "???");
1513           pp_string (buffer, ")]");
1514         }
1515       body = gimple_omp_body (gs);
1516       if (body && gimple_code (gimple_seq_first_stmt (body)) != GIMPLE_BIND)
1517         {
1518           newline_and_indent (buffer, spc + 2);
1519           pp_character (buffer, '{');
1520           pp_newline (buffer);
1521           dump_gimple_seq (buffer, body, spc + 4, flags);
1522           newline_and_indent (buffer, spc + 2);
1523           pp_character (buffer, '}');
1524         }
1525       else if (body)
1526         {
1527           pp_newline (buffer);
1528           dump_gimple_seq (buffer, body, spc + 2, flags);
1529         }
1530     }
1531 }
1532
1533
1534 /* Dump a GIMPLE_OMP_ATOMIC_LOAD tuple on the pretty_printer BUFFER, SPC
1535    spaces of indent.  FLAGS specifies details to show in the dump (see TDF_*
1536    in tree-pass.h).  */
1537
1538 static void
1539 dump_gimple_omp_atomic_load (pretty_printer *buffer, gimple gs, int spc,
1540                              int flags)
1541 {
1542   if (flags & TDF_RAW)
1543     {
1544       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T>", gs,
1545                        gimple_omp_atomic_load_lhs (gs),
1546                        gimple_omp_atomic_load_rhs (gs));
1547     }
1548   else
1549     {
1550       pp_string (buffer, "#pragma omp atomic_load");
1551       newline_and_indent (buffer, spc + 2);
1552       dump_generic_node (buffer, gimple_omp_atomic_load_lhs (gs),
1553                          spc, flags, false);
1554       pp_space (buffer);
1555       pp_character (buffer, '=');
1556       pp_space (buffer);
1557       pp_character (buffer, '*');
1558       dump_generic_node (buffer, gimple_omp_atomic_load_rhs (gs),
1559                          spc, flags, false);
1560     }
1561 }
1562
1563 /* Dump a GIMPLE_OMP_ATOMIC_STORE tuple on the pretty_printer BUFFER, SPC
1564    spaces of indent.  FLAGS specifies details to show in the dump (see TDF_*
1565    in tree-pass.h).  */
1566
1567 static void
1568 dump_gimple_omp_atomic_store (pretty_printer *buffer, gimple gs, int spc,
1569                              int flags)
1570 {
1571   if (flags & TDF_RAW)
1572     {
1573       dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs,
1574                        gimple_omp_atomic_store_val (gs));
1575     }
1576   else
1577     {
1578       pp_string (buffer, "#pragma omp atomic_store (");
1579       dump_generic_node (buffer, gimple_omp_atomic_store_val (gs),
1580                          spc, flags, false);
1581       pp_character (buffer, ')');
1582     }
1583 }
1584
1585
1586 /* Dump all the memory operands for statement GS.  BUFFER, SPC and
1587    FLAGS are as in dump_gimple_stmt.  */
1588
1589 static void
1590 dump_gimple_mem_ops (pretty_printer *buffer, gimple gs, int spc, int flags)
1591 {
1592   tree vdef = gimple_vdef (gs);
1593   tree vuse = gimple_vuse (gs);
1594
1595   if (!ssa_operands_active () || !gimple_references_memory_p (gs))
1596     return;
1597
1598   if (vdef != NULL_TREE)
1599     {
1600       pp_string (buffer, "# ");
1601       dump_generic_node (buffer, vdef, spc + 2, flags, false);
1602       pp_string (buffer, " = VDEF <");
1603       dump_generic_node (buffer, vuse, spc + 2, flags, false);
1604       pp_character (buffer, '>');
1605       newline_and_indent (buffer, spc);
1606     }
1607   else if (vuse != NULL_TREE)
1608     {
1609       pp_string (buffer, "# VUSE <");
1610       dump_generic_node (buffer, vuse, spc + 2, flags, false);
1611       pp_character (buffer, '>');
1612       newline_and_indent (buffer, spc);
1613     }
1614 }
1615
1616
1617 /* Dump the gimple statement GS on the pretty printer BUFFER, SPC
1618    spaces of indent.  FLAGS specifies details to show in the dump (see
1619    TDF_* in tree-pass.h).  */
1620
1621 void
1622 dump_gimple_stmt (pretty_printer *buffer, gimple gs, int spc, int flags)
1623 {
1624   if (!gs)
1625     return;
1626
1627   if (flags & TDF_STMTADDR)
1628     pp_printf (buffer, "<&%p> ", (void *) gs);
1629
1630   if ((flags & TDF_LINENO) && gimple_has_location (gs))
1631     {
1632       expanded_location xloc = expand_location (gimple_location (gs));
1633       pp_character (buffer, '[');
1634       if (xloc.file)
1635         {
1636           pp_string (buffer, xloc.file);
1637           pp_string (buffer, " : ");
1638         }
1639       pp_decimal_int (buffer, xloc.line);
1640       pp_string (buffer, ":");
1641       pp_decimal_int (buffer, xloc.column);
1642       pp_string (buffer, "] ");
1643     }
1644
1645   if (flags & TDF_EH)
1646     {
1647       int lp_nr = lookup_stmt_eh_lp (gs);
1648       if (lp_nr > 0)
1649         pp_printf (buffer, "[LP %d] ", lp_nr);
1650       else if (lp_nr < 0)
1651         pp_printf (buffer, "[MNT %d] ", -lp_nr);
1652     }
1653
1654   if ((flags & (TDF_VOPS|TDF_MEMSYMS))
1655       && gimple_has_mem_ops (gs))
1656     dump_gimple_mem_ops (buffer, gs, spc, flags);
1657
1658   if ((flags & TDF_ALIAS)
1659       && gimple_has_lhs (gs))
1660     {
1661       tree lhs = gimple_get_lhs (gs);
1662       if (TREE_CODE (lhs) == SSA_NAME
1663           && POINTER_TYPE_P (TREE_TYPE (lhs))
1664           && SSA_NAME_PTR_INFO (lhs))
1665         {
1666           struct ptr_info_def *pi = SSA_NAME_PTR_INFO (lhs);
1667           pp_string (buffer, "# PT = ");
1668           pp_points_to_solution (buffer, &pi->pt);
1669           newline_and_indent (buffer, spc);
1670           if (pi->align != 1)
1671             {
1672               pp_printf (buffer, "# ALIGN = %u, MISALIGN = %u",
1673                          pi->align, pi->misalign);
1674               newline_and_indent (buffer, spc);
1675             }
1676         }
1677     }
1678
1679   switch (gimple_code (gs))
1680     {
1681     case GIMPLE_ASM:
1682       dump_gimple_asm (buffer, gs, spc, flags);
1683       break;
1684
1685     case GIMPLE_ASSIGN:
1686       dump_gimple_assign (buffer, gs, spc, flags);
1687       break;
1688
1689     case GIMPLE_BIND:
1690       dump_gimple_bind (buffer, gs, spc, flags);
1691       break;
1692
1693     case GIMPLE_CALL:
1694       dump_gimple_call (buffer, gs, spc, flags);
1695       break;
1696
1697     case GIMPLE_COND:
1698       dump_gimple_cond (buffer, gs, spc, flags);
1699       break;
1700
1701     case GIMPLE_LABEL:
1702       dump_gimple_label (buffer, gs, spc, flags);
1703       break;
1704
1705     case GIMPLE_GOTO:
1706       dump_gimple_goto (buffer, gs, spc, flags);
1707       break;
1708
1709     case GIMPLE_NOP:
1710       pp_string (buffer, "GIMPLE_NOP");
1711       break;
1712
1713     case GIMPLE_RETURN:
1714       dump_gimple_return (buffer, gs, spc, flags);
1715       break;
1716
1717     case GIMPLE_SWITCH:
1718       dump_gimple_switch (buffer, gs, spc, flags);
1719       break;
1720
1721     case GIMPLE_TRY:
1722       dump_gimple_try (buffer, gs, spc, flags);
1723       break;
1724
1725     case GIMPLE_PHI:
1726       dump_gimple_phi (buffer, gs, spc, flags);
1727       break;
1728
1729     case GIMPLE_OMP_PARALLEL:
1730       dump_gimple_omp_parallel (buffer, gs, spc, flags);
1731       break;
1732
1733     case GIMPLE_OMP_TASK:
1734       dump_gimple_omp_task (buffer, gs, spc, flags);
1735       break;
1736
1737     case GIMPLE_OMP_ATOMIC_LOAD:
1738       dump_gimple_omp_atomic_load (buffer, gs, spc, flags);
1739
1740       break;
1741
1742     case GIMPLE_OMP_ATOMIC_STORE:
1743       dump_gimple_omp_atomic_store (buffer, gs, spc, flags);
1744       break;
1745
1746     case GIMPLE_OMP_FOR:
1747       dump_gimple_omp_for (buffer, gs, spc, flags);
1748       break;
1749
1750     case GIMPLE_OMP_CONTINUE:
1751       dump_gimple_omp_continue (buffer, gs, spc, flags);
1752       break;
1753
1754     case GIMPLE_OMP_SINGLE:
1755       dump_gimple_omp_single (buffer, gs, spc, flags);
1756       break;
1757
1758     case GIMPLE_OMP_RETURN:
1759       dump_gimple_omp_return (buffer, gs, spc, flags);
1760       break;
1761
1762     case GIMPLE_OMP_SECTIONS:
1763       dump_gimple_omp_sections (buffer, gs, spc, flags);
1764       break;
1765
1766     case GIMPLE_OMP_SECTIONS_SWITCH:
1767       pp_string (buffer, "GIMPLE_SECTIONS_SWITCH");
1768       break;
1769
1770     case GIMPLE_OMP_MASTER:
1771     case GIMPLE_OMP_ORDERED:
1772     case GIMPLE_OMP_SECTION:
1773       dump_gimple_omp_block (buffer, gs, spc, flags);
1774       break;
1775
1776     case GIMPLE_OMP_CRITICAL:
1777       dump_gimple_omp_critical (buffer, gs, spc, flags);
1778       break;
1779
1780     case GIMPLE_CATCH:
1781       dump_gimple_catch (buffer, gs, spc, flags);
1782       break;
1783
1784     case GIMPLE_EH_FILTER:
1785       dump_gimple_eh_filter (buffer, gs, spc, flags);
1786       break;
1787
1788     case GIMPLE_EH_MUST_NOT_THROW:
1789       dump_gimple_eh_must_not_throw (buffer, gs, spc, flags);
1790       break;
1791
1792     case GIMPLE_RESX:
1793       dump_gimple_resx (buffer, gs, spc, flags);
1794       break;
1795
1796     case GIMPLE_EH_DISPATCH:
1797       dump_gimple_eh_dispatch (buffer, gs, spc, flags);
1798       break;
1799
1800     case GIMPLE_DEBUG:
1801       dump_gimple_debug (buffer, gs, spc, flags);
1802       break;
1803
1804     case GIMPLE_PREDICT:
1805       pp_string (buffer, "// predicted ");
1806       if (gimple_predict_outcome (gs))
1807         pp_string (buffer, "likely by ");
1808       else
1809         pp_string (buffer, "unlikely by ");
1810       pp_string (buffer, predictor_name (gimple_predict_predictor (gs)));
1811       pp_string (buffer, " predictor.");
1812       break;
1813
1814     default:
1815       GIMPLE_NIY;
1816     }
1817
1818   /* If we're building a diagnostic, the formatted text will be
1819      written into BUFFER's stream by the caller; otherwise, write it
1820      now.  */
1821   if (!(flags & TDF_DIAGNOSTIC))
1822     pp_write_text_to_stream (buffer);
1823 }
1824
1825
1826 /* Dumps header of basic block BB to buffer BUFFER indented by INDENT
1827    spaces and details described by flags.  */
1828
1829 static void
1830 dump_bb_header (pretty_printer *buffer, basic_block bb, int indent, int flags)
1831 {
1832   edge e;
1833   gimple stmt;
1834   edge_iterator ei;
1835
1836   if (flags & TDF_BLOCKS)
1837     {
1838       INDENT (indent);
1839       pp_string (buffer, "# BLOCK ");
1840       pp_decimal_int (buffer, bb->index);
1841       if (bb->frequency)
1842         {
1843           pp_string (buffer, " freq:");
1844           pp_decimal_int (buffer, bb->frequency);
1845         }
1846       if (bb->count)
1847         {
1848           pp_string (buffer, " count:");
1849           pp_widest_integer (buffer, bb->count);
1850         }
1851
1852       if (flags & TDF_LINENO)
1853         {
1854           gimple_stmt_iterator gsi;
1855
1856           for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
1857             if (!is_gimple_debug (gsi_stmt (gsi))
1858                 && get_lineno (gsi_stmt (gsi)) != UNKNOWN_LOCATION)
1859               {
1860                 pp_string (buffer, ", starting at line ");
1861                 pp_decimal_int (buffer, get_lineno (gsi_stmt (gsi)));
1862                 break;
1863               }
1864
1865           if (bb->discriminator)
1866             {
1867               pp_string (buffer, ", discriminator ");
1868               pp_decimal_int (buffer, bb->discriminator);
1869             }
1870         }
1871       newline_and_indent (buffer, indent);
1872
1873       pp_string (buffer, "# PRED:");
1874       pp_write_text_to_stream (buffer);
1875       FOR_EACH_EDGE (e, ei, bb->preds)
1876         if (flags & TDF_SLIM)
1877           {
1878             pp_character (buffer, ' ');
1879             if (e->src == ENTRY_BLOCK_PTR)
1880               pp_string (buffer, "ENTRY");
1881             else
1882               pp_decimal_int (buffer, e->src->index);
1883           }
1884         else
1885           dump_edge_info (buffer->buffer->stream, e, 0);
1886       pp_newline (buffer);
1887     }
1888   else
1889     {
1890       stmt = first_stmt (bb);
1891       if (!stmt || gimple_code (stmt) != GIMPLE_LABEL)
1892         {
1893           INDENT (indent - 2);
1894           pp_string (buffer, "<bb ");
1895           pp_decimal_int (buffer, bb->index);
1896           pp_string (buffer, ">:");
1897           pp_newline (buffer);
1898         }
1899     }
1900   pp_write_text_to_stream (buffer);
1901   if (cfun)
1902     check_bb_profile (bb, buffer->buffer->stream);
1903 }
1904
1905
1906 /* Dumps end of basic block BB to buffer BUFFER indented by INDENT
1907    spaces.  */
1908
1909 static void
1910 dump_bb_end (pretty_printer *buffer, basic_block bb, int indent, int flags)
1911 {
1912   edge e;
1913   edge_iterator ei;
1914
1915   INDENT (indent);
1916   pp_string (buffer, "# SUCC:");
1917   pp_write_text_to_stream (buffer);
1918   FOR_EACH_EDGE (e, ei, bb->succs)
1919     if (flags & TDF_SLIM)
1920       {
1921         pp_character (buffer, ' ');
1922         if (e->dest == EXIT_BLOCK_PTR)
1923           pp_string (buffer, "EXIT");
1924         else
1925           pp_decimal_int (buffer, e->dest->index);
1926       }
1927     else
1928       dump_edge_info (buffer->buffer->stream, e, 1);
1929   pp_newline (buffer);
1930 }
1931
1932
1933 /* Dump PHI nodes of basic block BB to BUFFER with details described
1934    by FLAGS and indented by INDENT spaces.  */
1935
1936 static void
1937 dump_phi_nodes (pretty_printer *buffer, basic_block bb, int indent, int flags)
1938 {
1939   gimple_stmt_iterator i;
1940
1941   for (i = gsi_start_phis (bb); !gsi_end_p (i); gsi_next (&i))
1942     {
1943       gimple phi = gsi_stmt (i);
1944       if (is_gimple_reg (gimple_phi_result (phi)) || (flags & TDF_VOPS))
1945         {
1946           INDENT (indent);
1947           pp_string (buffer, "# ");
1948           dump_gimple_phi (buffer, phi, indent, flags);
1949           pp_newline (buffer);
1950         }
1951     }
1952 }
1953
1954
1955 /* Dump jump to basic block BB that is represented implicitly in the cfg
1956    to BUFFER.  */
1957
1958 static void
1959 pp_cfg_jump (pretty_printer *buffer, basic_block bb)
1960 {
1961   gimple stmt;
1962
1963   stmt = first_stmt (bb);
1964
1965   pp_string (buffer, "goto <bb ");
1966   pp_decimal_int (buffer, bb->index);
1967   pp_character (buffer, '>');
1968   if (stmt && gimple_code (stmt) == GIMPLE_LABEL)
1969     {
1970       pp_string (buffer, " (");
1971       dump_generic_node (buffer, gimple_label_label (stmt), 0, 0, false);
1972       pp_character (buffer, ')');
1973       pp_semicolon (buffer);
1974     }
1975   else
1976     pp_semicolon (buffer);
1977 }
1978
1979
1980 /* Dump edges represented implicitly in basic block BB to BUFFER, indented
1981    by INDENT spaces, with details given by FLAGS.  */
1982
1983 static void
1984 dump_implicit_edges (pretty_printer *buffer, basic_block bb, int indent,
1985                      int flags)
1986 {
1987   edge e;
1988   gimple stmt;
1989
1990   stmt = last_stmt (bb);
1991
1992   if (stmt && gimple_code (stmt) == GIMPLE_COND)
1993     {
1994       edge true_edge, false_edge;
1995
1996       /* When we are emitting the code or changing CFG, it is possible that
1997          the edges are not yet created.  When we are using debug_bb in such
1998          a situation, we do not want it to crash.  */
1999       if (EDGE_COUNT (bb->succs) != 2)
2000         return;
2001       extract_true_false_edges_from_block (bb, &true_edge, &false_edge);
2002
2003       INDENT (indent + 2);
2004       pp_cfg_jump (buffer, true_edge->dest);
2005       newline_and_indent (buffer, indent);
2006       pp_string (buffer, "else");
2007       newline_and_indent (buffer, indent + 2);
2008       pp_cfg_jump (buffer, false_edge->dest);
2009       pp_newline (buffer);
2010       return;
2011     }
2012
2013   /* If there is a fallthru edge, we may need to add an artificial
2014      goto to the dump.  */
2015   e = find_fallthru_edge (bb->succs);
2016
2017   if (e && e->dest != bb->next_bb)
2018     {
2019       INDENT (indent);
2020
2021       if ((flags & TDF_LINENO)
2022           && e->goto_locus != UNKNOWN_LOCATION
2023           )
2024         {
2025           expanded_location goto_xloc;
2026           goto_xloc = expand_location (e->goto_locus);
2027           pp_character (buffer, '[');
2028           if (goto_xloc.file)
2029             {
2030               pp_string (buffer, goto_xloc.file);
2031               pp_string (buffer, " : ");
2032             }
2033           pp_decimal_int (buffer, goto_xloc.line);
2034           pp_string (buffer, " : ");
2035           pp_decimal_int (buffer, goto_xloc.column);
2036           pp_string (buffer, "] ");
2037         }
2038
2039       pp_cfg_jump (buffer, e->dest);
2040       pp_newline (buffer);
2041     }
2042 }
2043
2044
2045 /* Dumps basic block BB to buffer BUFFER with details described by FLAGS and
2046    indented by INDENT spaces.  */
2047
2048 static void
2049 gimple_dump_bb_buff (pretty_printer *buffer, basic_block bb, int indent,
2050                      int flags)
2051 {
2052   gimple_stmt_iterator gsi;
2053   gimple stmt;
2054   int label_indent = indent - 2;
2055
2056   if (label_indent < 0)
2057     label_indent = 0;
2058
2059   dump_bb_header (buffer, bb, indent, flags);
2060   dump_phi_nodes (buffer, bb, indent, flags);
2061
2062   for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
2063     {
2064       int curr_indent;
2065
2066       stmt = gsi_stmt (gsi);
2067
2068       curr_indent = gimple_code (stmt) == GIMPLE_LABEL ? label_indent : indent;
2069
2070       INDENT (curr_indent);
2071       dump_gimple_stmt (buffer, stmt, curr_indent, flags);
2072       pp_newline (buffer);
2073       dump_histograms_for_stmt (cfun, buffer->buffer->stream, stmt);
2074     }
2075
2076   dump_implicit_edges (buffer, bb, indent, flags);
2077
2078   if (flags & TDF_BLOCKS)
2079     dump_bb_end (buffer, bb, indent, flags);
2080 }
2081
2082
2083 /* Dumps basic block BB to FILE with details described by FLAGS and
2084    indented by INDENT spaces.  */
2085
2086 void
2087 gimple_dump_bb (basic_block bb, FILE *file, int indent, int flags)
2088 {
2089   maybe_init_pretty_print (file);
2090   gimple_dump_bb_buff (&buffer, bb, indent, flags);
2091   pp_flush (&buffer);
2092 }