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     case DOT_PROD_EXPR:
 412       pp_string (buffer, "DOT_PROD_EXPR <");
 413       dump_generic_node (buffer, gimple_assign_rhs1 (gs), spc, flags, false);
 414       pp_string (buffer, ", ");
 415       dump_generic_node (buffer, gimple_assign_rhs2 (gs), spc, flags, false);
 416       pp_string (buffer, ", ");
 417       dump_generic_node (buffer, gimple_assign_rhs3 (gs), spc, flags, false);
 418       pp_string (buffer, ">");
 419       break;
 420
 421     case REALIGN_LOAD_EXPR:
 422       pp_string (buffer, "REALIGN_LOAD <");
 423       dump_generic_node (buffer, gimple_assign_rhs1 (gs), spc, flags, false);
 424       pp_string (buffer, ", ");
 425       dump_generic_node (buffer, gimple_assign_rhs2 (gs), spc, flags, false);
 426       pp_string (buffer, ", ");
 427       dump_generic_node (buffer, gimple_assign_rhs3 (gs), spc, flags, false);
 428       pp_string (buffer, ">");
 429       break;
 430
 431     default:
 432       gcc_unreachable ();
 433     }
 434 }
 435
 436
 437 /* Dump the gimple assignment GS.  BUFFER, SPC and FLAGS are as in
 438    dump_gimple_stmt.  */
 439
 440 static void
 441 dump_gimple_assign (pretty_printer *buffer, gimple gs, int spc, int flags)
 442 {
 443   if (flags & TDF_RAW)
 444     {
 445       tree last;
 446       if (gimple_num_ops (gs) == 2)
 447         last = NULL_TREE;
 448       else if (gimple_num_ops (gs) == 3)
 449         last = gimple_assign_rhs2 (gs);
 450       else
 451         gcc_unreachable ();
 452
 453       dump_gimple_fmt (buffer, spc, flags, "%G <%s, %T, %T, %T>", gs,
 454                        tree_code_name[gimple_assign_rhs_code (gs)],
 455                        gimple_assign_lhs (gs), gimple_assign_rhs1 (gs), last);
 456     }
 457   else
 458     {
 459       if (!(flags & TDF_RHS_ONLY))
 460         {
 461           dump_generic_node (buffer, gimple_assign_lhs (gs), spc, flags, false);
 462           pp_space (buffer);
 463           pp_character (buffer, '=');
 464
 465           if (gimple_assign_nontemporal_move_p (gs))
 466             pp_string (buffer, "{nt}");
 467
 468           if (gimple_has_volatile_ops (gs))
 469             pp_string (buffer, "{v}");
 470
 471           pp_space (buffer);
 472         }
 473
 474       if (gimple_num_ops (gs) == 2)
 475         dump_unary_rhs (buffer, gs, spc, flags);
 476       else if (gimple_num_ops (gs) == 3)
 477         dump_binary_rhs (buffer, gs, spc, flags);
 478       else if (gimple_num_ops (gs) == 4)
 479         dump_ternary_rhs (buffer, gs, spc, flags);
 480       else
 481         gcc_unreachable ();
 482       if (!(flags & TDF_RHS_ONLY))
 483         pp_semicolon(buffer);
 484     }
 485 }
 486
 487
 488 /* Dump the return statement GS.  BUFFER, SPC and FLAGS are as in
 489    dump_gimple_stmt.  */
 490
 491 static void
 492 dump_gimple_return (pretty_printer *buffer, gimple gs, int spc, int flags)
 493 {
 494   tree t;
 495
 496   t = gimple_return_retval (gs);
 497   if (flags & TDF_RAW)
 498     dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs, t);
 499   else
 500     {
 501       pp_string (buffer, "return");
 502       if (t)
 503         {
 504           pp_space (buffer);
 505           dump_generic_node (buffer, t, spc, flags, false);
 506         }
 507       pp_semicolon (buffer);
 508     }
 509 }
 510
 511
 512 /* Dump the call arguments for a gimple call. BUFFER, FLAGS are as in
 513    dump_gimple_call.  */
 514
 515 static void
 516 dump_gimple_call_args (pretty_printer *buffer, gimple gs, int flags)
 517 {
 518   size_t i;
 519
 520   for (i = 0; i < gimple_call_num_args (gs); i++)
 521     {
 522       dump_generic_node (buffer, gimple_call_arg (gs, i), 0, flags, false);
 523       if (i < gimple_call_num_args (gs) - 1)
 524         pp_string (buffer, ", ");
 525     }
 526
 527   if (gimple_call_va_arg_pack_p (gs))
 528     {
 529       if (gimple_call_num_args (gs) > 0)
 530         {
 531           pp_character (buffer, ',');
 532           pp_space (buffer);
 533         }
 534
 535       pp_string (buffer, "__builtin_va_arg_pack ()");
 536     }
 537 }
 538
 539 /* Dump the points-to solution *PT to BUFFER.  */
 540
 541 static void
 542 pp_points_to_solution (pretty_printer *buffer, struct pt_solution *pt)
 543 {
 544   if (pt->anything)
 545     {
 546       pp_string (buffer, "anything ");
 547       return;
 548     }
 549   if (pt->nonlocal)
 550     pp_string (buffer, "nonlocal ");
 551   if (pt->escaped)
 552     pp_string (buffer, "escaped ");
 553   if (pt->ipa_escaped)
 554     pp_string (buffer, "unit-escaped ");
 555   if (pt->null)
 556     pp_string (buffer, "null ");
 557   if (pt->vars
 558       && !bitmap_empty_p (pt->vars))
 559     {
 560       bitmap_iterator bi;
 561       unsigned i;
 562       pp_string (buffer, "{ ");
 563       EXECUTE_IF_SET_IN_BITMAP (pt->vars, 0, i, bi)
 564         {
 565           tree var = referenced_var_lookup (cfun, i);
 566           if (var)
 567             {
 568               dump_generic_node (buffer, var, 0, dump_flags, false);
 569               if (DECL_PT_UID (var) != DECL_UID (var))
 570                 {
 571                   pp_string (buffer, "ptD.");
 572                   pp_decimal_int (buffer, DECL_PT_UID (var));
 573                 }
 574             }
 575           else
 576             {
 577               pp_string (buffer, "D.");
 578               pp_decimal_int (buffer, i);
 579             }
 580           pp_character (buffer, ' ');
 581         }
 582       pp_character (buffer, '}');
 583       if (pt->vars_contains_global)
 584         pp_string (buffer, " (glob)");
 585       if (pt->vars_contains_restrict)
 586         pp_string (buffer, " (restr)");
 587     }
 588 }
 589
 590 /* Dump the call statement GS.  BUFFER, SPC and FLAGS are as in
 591    dump_gimple_stmt.  */
 592
 593 static void
 594 dump_gimple_call (pretty_printer *buffer, gimple gs, int spc, int flags)
 595 {
 596   tree lhs = gimple_call_lhs (gs);
 597
 598   if (flags & TDF_ALIAS)
 599     {
 600       struct pt_solution *pt;
 601       pt = gimple_call_use_set (gs);
 602       if (!pt_solution_empty_p (pt))
 603         {
 604           pp_string (buffer, "# USE = ");
 605           pp_points_to_solution (buffer, pt);
 606           newline_and_indent (buffer, spc);
 607         }
 608       pt = gimple_call_clobber_set (gs);
 609       if (!pt_solution_empty_p (pt))
 610         {
 611           pp_string (buffer, "# CLB = ");
 612           pp_points_to_solution (buffer, pt);
 613           newline_and_indent (buffer, spc);
 614         }
 615     }
 616
 617   if (flags & TDF_RAW)
 618     {
 619       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T",
 620                      gs, gimple_call_fn (gs), lhs);
 621       if (gimple_call_num_args (gs) > 0)
 622         {
 623           pp_string (buffer, ", ");
 624           dump_gimple_call_args (buffer, gs, flags);
 625         }
 626       pp_character (buffer, '>');
 627     }
 628   else
 629     {
 630       if (lhs && !(flags & TDF_RHS_ONLY))
 631         {
 632           dump_generic_node (buffer, lhs, spc, flags, false);
 633           pp_string (buffer, " =");
 634
 635           if (gimple_has_volatile_ops (gs))
 636             pp_string (buffer, "{v}");
 637
 638           pp_space (buffer);
 639         }
 640       print_call_name (buffer, gimple_call_fn (gs), flags);
 641       pp_string (buffer, " (");
 642       dump_gimple_call_args (buffer, gs, flags);
 643       pp_character (buffer, ')');
 644       if (!(flags & TDF_RHS_ONLY))
 645         pp_semicolon (buffer);
 646     }
 647
 648   if (gimple_call_chain (gs))
 649     {
 650       pp_string (buffer, " [static-chain: ");
 651       dump_generic_node (buffer, gimple_call_chain (gs), spc, flags, false);
 652       pp_character (buffer, ']');
 653     }
 654
 655   if (gimple_call_return_slot_opt_p (gs))
 656     pp_string (buffer, " [return slot optimization]");
 657
 658   if (gimple_call_tail_p (gs))
 659     pp_string (buffer, " [tail call]");
 660 }
 661
 662
 663 /* Dump the switch statement GS.  BUFFER, SPC and FLAGS are as in
 664    dump_gimple_stmt.  */
 665
 666 static void
 667 dump_gimple_switch (pretty_printer *buffer, gimple gs, int spc, int flags)
 668 {
 669   unsigned int i;
 670
 671   GIMPLE_CHECK (gs, GIMPLE_SWITCH);
 672   if (flags & TDF_RAW)
 673     dump_gimple_fmt (buffer, spc, flags, "%G <%T, ", gs,
 674                    gimple_switch_index (gs));
 675   else
 676     {
 677       pp_string (buffer, "switch (");
 678       dump_generic_node (buffer, gimple_switch_index (gs), spc, flags, true);
 679       pp_string (buffer, ") <");
 680     }
 681
 682   for (i = 0; i < gimple_switch_num_labels (gs); i++)
 683     {
 684       tree case_label = gimple_switch_label (gs, i);
 685       if (case_label == NULL_TREE)
 686         continue;
 687
 688       dump_generic_node (buffer, case_label, spc, flags, false);
 689       pp_character (buffer, ' ');
 690       dump_generic_node (buffer, CASE_LABEL (case_label), spc, flags, false);
 691       if (i < gimple_switch_num_labels (gs) - 1)
 692         pp_string (buffer, ", ");
 693     }
 694   pp_character (buffer, '>');
 695 }
 696
 697
 698 /* Dump the gimple conditional GS.  BUFFER, SPC and FLAGS are as in
 699    dump_gimple_stmt.  */
 700
 701 static void
 702 dump_gimple_cond (pretty_printer *buffer, gimple gs, int spc, int flags)
 703 {
 704   if (flags & TDF_RAW)
 705     dump_gimple_fmt (buffer, spc, flags, "%G <%s, %T, %T, %T, %T>", gs,
 706                    tree_code_name [gimple_cond_code (gs)],
 707                    gimple_cond_lhs (gs), gimple_cond_rhs (gs),
 708                    gimple_cond_true_label (gs), gimple_cond_false_label (gs));
 709   else
 710     {
 711       if (!(flags & TDF_RHS_ONLY))
 712         pp_string (buffer, "if (");
 713       dump_generic_node (buffer, gimple_cond_lhs (gs), spc, flags, false);
 714       pp_space (buffer);
 715       pp_string (buffer, op_symbol_code (gimple_cond_code (gs)));
 716       pp_space (buffer);
 717       dump_generic_node (buffer, gimple_cond_rhs (gs), spc, flags, false);
 718       if (!(flags & TDF_RHS_ONLY))
 719         {
 720           pp_character (buffer, ')');
 721
 722           if (gimple_cond_true_label (gs))
 723             {
 724               pp_string (buffer, " goto ");
 725               dump_generic_node (buffer, gimple_cond_true_label (gs),
 726                                  spc, flags, false);
 727               pp_semicolon (buffer);
 728             }
 729           if (gimple_cond_false_label (gs))
 730             {
 731               pp_string (buffer, " else goto ");
 732               dump_generic_node (buffer, gimple_cond_false_label (gs),
 733                                  spc, flags, false);
 734               pp_semicolon (buffer);
 735             }
 736         }
 737     }
 738 }
 739
 740
 741 /* Dump a GIMPLE_LABEL tuple on the pretty_printer BUFFER, SPC
 742    spaces of indent.  FLAGS specifies details to show in the dump (see
 743    TDF_* in tree-pass.h).  */
 744
 745 static void
 746 dump_gimple_label (pretty_printer *buffer, gimple gs, int spc, int flags)
 747 {
 748   tree label = gimple_label_label (gs);
 749   if (flags & TDF_RAW)
 750       dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs, label);
 751   else
 752     {
 753       dump_generic_node (buffer, label, spc, flags, false);
 754       pp_character (buffer, ':');
 755     }
 756   if (DECL_NONLOCAL (label))
 757     pp_string (buffer, " [non-local]");
 758   if ((flags & TDF_EH) && EH_LANDING_PAD_NR (label))
 759     pp_printf (buffer, " [LP %d]", EH_LANDING_PAD_NR (label));
 760 }
 761
 762 /* Dump a GIMPLE_GOTO tuple on the pretty_printer BUFFER, SPC
 763    spaces of indent.  FLAGS specifies details to show in the dump (see
 764    TDF_* in tree-pass.h).  */
 765
 766 static void
 767 dump_gimple_goto (pretty_printer *buffer, gimple gs, int spc, int flags)
 768 {
 769   tree label = gimple_goto_dest (gs);
 770   if (flags & TDF_RAW)
 771     dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs, label);
 772   else
 773     dump_gimple_fmt (buffer, spc, flags, "goto %T;", label);
 774 }
 775
 776
 777 /* Dump a GIMPLE_BIND tuple on the pretty_printer BUFFER, SPC
 778    spaces of indent.  FLAGS specifies details to show in the dump (see
 779    TDF_* in tree-pass.h).  */
 780
 781 static void
 782 dump_gimple_bind (pretty_printer *buffer, gimple gs, int spc, int flags)
 783 {
 784   if (flags & TDF_RAW)
 785     dump_gimple_fmt (buffer, spc, flags, "%G <", gs);
 786   else
 787     pp_character (buffer, '{');
 788   if (!(flags & TDF_SLIM))
 789     {
 790       tree var;
 791
 792       for (var = gimple_bind_vars (gs); var; var = DECL_CHAIN (var))
 793         {
 794           newline_and_indent (buffer, 2);
 795           print_declaration (buffer, var, spc, flags);
 796         }
 797       if (gimple_bind_vars (gs))
 798         pp_newline (buffer);
 799     }
 800   pp_newline (buffer);
 801   dump_gimple_seq (buffer, gimple_bind_body (gs), spc + 2, flags);
 802   newline_and_indent (buffer, spc);
 803   if (flags & TDF_RAW)
 804     pp_character (buffer, '>');
 805   else
 806     pp_character (buffer, '}');
 807 }
 808
 809
 810 /* Dump a GIMPLE_TRY tuple on the pretty_printer BUFFER, SPC spaces of
 811    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 812    tree-pass.h).  */
 813
 814 static void
 815 dump_gimple_try (pretty_printer *buffer, gimple gs, int spc, int flags)
 816 {
 817   if (flags & TDF_RAW)
 818     {
 819       const char *type;
 820       if (gimple_try_kind (gs) == GIMPLE_TRY_CATCH)
 821         type = "GIMPLE_TRY_CATCH";
 822       else if (gimple_try_kind (gs) == GIMPLE_TRY_FINALLY)
 823         type = "GIMPLE_TRY_FINALLY";
 824       else
 825         type = "UNKNOWN GIMPLE_TRY";
 826       dump_gimple_fmt (buffer, spc, flags,
 827                        "%G <%s,%+EVAL <%S>%nCLEANUP <%S>%->", gs, type,
 828                        gimple_try_eval (gs), gimple_try_cleanup (gs));
 829     }
 830   else
 831     {
 832       pp_string (buffer, "try");
 833       newline_and_indent (buffer, spc + 2);
 834       pp_character (buffer, '{');
 835       pp_newline (buffer);
 836
 837       dump_gimple_seq (buffer, gimple_try_eval (gs), spc + 4, flags);
 838       newline_and_indent (buffer, spc + 2);
 839       pp_character (buffer, '}');
 840
 841       if (gimple_try_kind (gs) == GIMPLE_TRY_CATCH)
 842         {
 843           newline_and_indent (buffer, spc);
 844           pp_string (buffer, "catch");
 845           newline_and_indent (buffer, spc + 2);
 846           pp_character (buffer, '{');
 847         }
 848       else if (gimple_try_kind (gs) == GIMPLE_TRY_FINALLY)
 849         {
 850           newline_and_indent (buffer, spc);
 851           pp_string (buffer, "finally");
 852           newline_and_indent (buffer, spc + 2);
 853           pp_character (buffer, '{');
 854         }
 855       else
 856         pp_string (buffer, " <UNKNOWN GIMPLE_TRY> {");
 857
 858       pp_newline (buffer);
 859       dump_gimple_seq (buffer, gimple_try_cleanup (gs), spc + 4, flags);
 860       newline_and_indent (buffer, spc + 2);
 861       pp_character (buffer, '}');
 862     }
 863 }
 864
 865
 866 /* Dump a GIMPLE_CATCH tuple on the pretty_printer BUFFER, SPC spaces of
 867    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 868    tree-pass.h).  */
 869
 870 static void
 871 dump_gimple_catch (pretty_printer *buffer, gimple gs, int spc, int flags)
 872 {
 873   if (flags & TDF_RAW)
 874       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %+CATCH <%S>%->", gs,
 875                        gimple_catch_types (gs), gimple_catch_handler (gs));
 876   else
 877       dump_gimple_fmt (buffer, spc, flags, "catch (%T)%+{%S}",
 878                        gimple_catch_types (gs), gimple_catch_handler (gs));
 879 }
 880
 881
 882 /* Dump a GIMPLE_EH_FILTER tuple on the pretty_printer BUFFER, SPC spaces of
 883    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 884    tree-pass.h).  */
 885
 886 static void
 887 dump_gimple_eh_filter (pretty_printer *buffer, gimple gs, int spc, int flags)
 888 {
 889   if (flags & TDF_RAW)
 890     dump_gimple_fmt (buffer, spc, flags, "%G <%T, %+FAILURE <%S>%->", gs,
 891                      gimple_eh_filter_types (gs),
 892                      gimple_eh_filter_failure (gs));
 893   else
 894     dump_gimple_fmt (buffer, spc, flags, "<<<eh_filter (%T)>>>%+{%+%S%-}",
 895                      gimple_eh_filter_types (gs),
 896                      gimple_eh_filter_failure (gs));
 897 }
 898
 899
 900 /* Dump a GIMPLE_EH_MUST_NOT_THROW tuple.  */
 901
 902 static void
 903 dump_gimple_eh_must_not_throw (pretty_printer *buffer, gimple gs,
 904                                int spc, int flags)
 905 {
 906   if (flags & TDF_RAW)
 907     dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs,
 908                      gimple_eh_must_not_throw_fndecl (gs));
 909   else
 910     dump_gimple_fmt (buffer, spc, flags, "<<<eh_must_not_throw (%T)>>>",
 911                      gimple_eh_must_not_throw_fndecl (gs));
 912 }
 913
 914
 915 /* Dump a GIMPLE_RESX tuple on the pretty_printer BUFFER, SPC spaces of
 916    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 917    tree-pass.h).  */
 918
 919 static void
 920 dump_gimple_resx (pretty_printer *buffer, gimple gs, int spc, int flags)
 921 {
 922   if (flags & TDF_RAW)
 923     dump_gimple_fmt (buffer, spc, flags, "%G <%d>", gs,
 924                      gimple_resx_region (gs));
 925   else
 926     dump_gimple_fmt (buffer, spc, flags, "resx %d", gimple_resx_region (gs));
 927 }
 928
 929 /* Dump a GIMPLE_EH_DISPATCH tuple on the pretty_printer BUFFER.  */
 930
 931 static void
 932 dump_gimple_eh_dispatch (pretty_printer *buffer, gimple gs, int spc, int flags)
 933 {
 934   if (flags & TDF_RAW)
 935     dump_gimple_fmt (buffer, spc, flags, "%G <%d>", gs,
 936                      gimple_eh_dispatch_region (gs));
 937   else
 938     dump_gimple_fmt (buffer, spc, flags, "eh_dispatch %d",
 939                      gimple_eh_dispatch_region (gs));
 940 }
 941
 942 /* Dump a GIMPLE_DEBUG tuple on the pretty_printer BUFFER, SPC spaces
 943    of indent.  FLAGS specifies details to show in the dump (see TDF_*
 944    in tree-pass.h).  */
 945
 946 static void
 947 dump_gimple_debug (pretty_printer *buffer, gimple gs, int spc, int flags)
 948 {
 949   switch (gs->gsbase.subcode)
 950     {
 951     case GIMPLE_DEBUG_BIND:
 952       if (flags & TDF_RAW)
 953         dump_gimple_fmt (buffer, spc, flags, "%G BIND <%T, %T>", gs,
 954                          gimple_debug_bind_get_var (gs),
 955                          gimple_debug_bind_get_value (gs));
 956       else
 957         dump_gimple_fmt (buffer, spc, flags, "# DEBUG %T => %T",
 958                          gimple_debug_bind_get_var (gs),
 959                          gimple_debug_bind_get_value (gs));
 960       break;
 961
 962     default:
 963       gcc_unreachable ();
 964     }
 965 }
 966
 967 /* Dump a GIMPLE_OMP_FOR tuple on the pretty_printer BUFFER.  */
 968 static void
 969 dump_gimple_omp_for (pretty_printer *buffer, gimple gs, int spc, int flags)
 970 {
 971   size_t i;
 972
 973   if (flags & TDF_RAW)
 974     {
 975       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
 976                        gimple_omp_body (gs));
 977       dump_omp_clauses (buffer, gimple_omp_for_clauses (gs), spc, flags);
 978       dump_gimple_fmt (buffer, spc, flags, " >,");
 979       for (i = 0; i < gimple_omp_for_collapse (gs); i++)
 980         dump_gimple_fmt (buffer, spc, flags,
 981                          "%+%T, %T, %T, %s, %T,%n",
 982                          gimple_omp_for_index (gs, i),
 983                          gimple_omp_for_initial (gs, i),
 984                          gimple_omp_for_final (gs, i),
 985                          tree_code_name[gimple_omp_for_cond (gs, i)],
 986                          gimple_omp_for_incr (gs, i));
 987       dump_gimple_fmt (buffer, spc, flags, "PRE_BODY <%S>%->",
 988                        gimple_omp_for_pre_body (gs));
 989     }
 990   else
 991     {
 992       pp_string (buffer, "#pragma omp for");
 993       dump_omp_clauses (buffer, gimple_omp_for_clauses (gs), spc, flags);
 994       for (i = 0; i < gimple_omp_for_collapse (gs); i++)
 995         {
 996           if (i)
 997             spc += 2;
 998           newline_and_indent (buffer, spc);
 999           pp_string (buffer, "for (");
1000           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
1001                              flags, false);
1002           pp_string (buffer, " = ");
1003           dump_generic_node (buffer, gimple_omp_for_initial (gs, i), spc,
1004                              flags, false);
1005           pp_string (buffer, "; ");
1006
1007           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
1008                              flags, false);
1009           pp_space (buffer);
1010           switch (gimple_omp_for_cond (gs, i))
1011             {
1012             case LT_EXPR:
1013               pp_character (buffer, '<');
1014               break;
1015             case GT_EXPR:
1016               pp_character (buffer, '>');
1017               break;
1018             case LE_EXPR:
1019               pp_string (buffer, "<=");
1020               break;
1021             case GE_EXPR:
1022               pp_string (buffer, ">=");
1023               break;
1024             default:
1025               gcc_unreachable ();
1026             }
1027           pp_space (buffer);
1028           dump_generic_node (buffer, gimple_omp_for_final (gs, i), spc,
1029                              flags, false);
1030           pp_string (buffer, "; ");
1031
1032           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
1033                              flags, false);
1034           pp_string (buffer, " = ");
1035           dump_generic_node (buffer, gimple_omp_for_incr (gs, i), spc,
1036                              flags, false);
1037           pp_character (buffer, ')');
1038         }
1039
1040       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1041         {
1042           newline_and_indent (buffer, spc + 2);
1043           pp_character (buffer, '{');
1044           pp_newline (buffer);
1045           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1046           newline_and_indent (buffer, spc + 2);
1047           pp_character (buffer, '}');
1048         }
1049     }
1050 }
1051
1052 /* Dump a GIMPLE_OMP_CONTINUE tuple on the pretty_printer BUFFER.  */
1053
1054 static void
1055 dump_gimple_omp_continue (pretty_printer *buffer, gimple gs, int spc, int flags)
1056 {
1057   if (flags & TDF_RAW)
1058     {
1059       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T>", gs,
1060                        gimple_omp_continue_control_def (gs),
1061                        gimple_omp_continue_control_use (gs));
1062     }
1063   else
1064     {
1065       pp_string (buffer, "#pragma omp continue (");
1066       dump_generic_node (buffer, gimple_omp_continue_control_def (gs),
1067                          spc, flags, false);
1068       pp_character (buffer, ',');
1069       pp_space (buffer);
1070       dump_generic_node (buffer, gimple_omp_continue_control_use (gs),
1071                          spc, flags, false);
1072       pp_character (buffer, ')');
1073     }
1074 }
1075
1076 /* Dump a GIMPLE_OMP_SINGLE tuple on the pretty_printer BUFFER.  */
1077
1078 static void
1079 dump_gimple_omp_single (pretty_printer *buffer, gimple gs, int spc, int flags)
1080 {
1081   if (flags & TDF_RAW)
1082     {
1083       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1084                        gimple_omp_body (gs));
1085       dump_omp_clauses (buffer, gimple_omp_single_clauses (gs), spc, flags);
1086       dump_gimple_fmt (buffer, spc, flags, " >");
1087     }
1088   else
1089     {
1090       pp_string (buffer, "#pragma omp single");
1091       dump_omp_clauses (buffer, gimple_omp_single_clauses (gs), spc, flags);
1092       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1093         {
1094           newline_and_indent (buffer, spc + 2);
1095           pp_character (buffer, '{');
1096           pp_newline (buffer);
1097           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1098           newline_and_indent (buffer, spc + 2);
1099           pp_character (buffer, '}');
1100         }
1101     }
1102 }
1103
1104 /* Dump a GIMPLE_OMP_SECTIONS tuple on the pretty_printer BUFFER.  */
1105
1106 static void
1107 dump_gimple_omp_sections (pretty_printer *buffer, gimple gs, int spc,
1108                           int flags)
1109 {
1110   if (flags & TDF_RAW)
1111     {
1112       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1113                        gimple_omp_body (gs));
1114       dump_omp_clauses (buffer, gimple_omp_sections_clauses (gs), spc, flags);
1115       dump_gimple_fmt (buffer, spc, flags, " >");
1116     }
1117   else
1118     {
1119       pp_string (buffer, "#pragma omp sections");
1120       if (gimple_omp_sections_control (gs))
1121         {
1122           pp_string (buffer, " <");
1123           dump_generic_node (buffer, gimple_omp_sections_control (gs), spc,
1124                              flags, false);
1125           pp_character (buffer, '>');
1126         }
1127       dump_omp_clauses (buffer, gimple_omp_sections_clauses (gs), spc, flags);
1128       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1129         {
1130           newline_and_indent (buffer, spc + 2);
1131           pp_character (buffer, '{');
1132           pp_newline (buffer);
1133           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1134           newline_and_indent (buffer, spc + 2);
1135           pp_character (buffer, '}');
1136         }
1137     }
1138 }
1139
1140 /* Dump a GIMPLE_OMP_{MASTER,ORDERED,SECTION} tuple on the pretty_printer
1141    BUFFER.  */
1142
1143 static void
1144 dump_gimple_omp_block (pretty_printer *buffer, gimple gs, int spc, int flags)
1145 {
1146   if (flags & TDF_RAW)
1147     dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S> >", gs,
1148                      gimple_omp_body (gs));
1149   else
1150     {
1151       switch (gimple_code (gs))
1152         {
1153         case GIMPLE_OMP_MASTER:
1154           pp_string (buffer, "#pragma omp master");
1155           break;
1156         case GIMPLE_OMP_ORDERED:
1157           pp_string (buffer, "#pragma omp ordered");
1158           break;
1159         case GIMPLE_OMP_SECTION:
1160           pp_string (buffer, "#pragma omp section");
1161           break;
1162         default:
1163           gcc_unreachable ();
1164         }
1165       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1166         {
1167           newline_and_indent (buffer, spc + 2);
1168           pp_character (buffer, '{');
1169           pp_newline (buffer);
1170           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1171           newline_and_indent (buffer, spc + 2);
1172           pp_character (buffer, '}');
1173         }
1174     }
1175 }
1176
1177 /* Dump a GIMPLE_OMP_CRITICAL tuple on the pretty_printer BUFFER.  */
1178
1179 static void
1180 dump_gimple_omp_critical (pretty_printer *buffer, gimple gs, int spc,
1181                           int flags)
1182 {
1183   if (flags & TDF_RAW)
1184     dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S> >", gs,
1185                      gimple_omp_body (gs));
1186   else
1187     {
1188       pp_string (buffer, "#pragma omp critical");
1189       if (gimple_omp_critical_name (gs))
1190         {
1191           pp_string (buffer, " (");
1192           dump_generic_node (buffer, gimple_omp_critical_name (gs), spc,
1193                              flags, false);
1194           pp_character (buffer, ')');
1195         }
1196       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1197         {
1198           newline_and_indent (buffer, spc + 2);
1199           pp_character (buffer, '{');
1200           pp_newline (buffer);
1201           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1202           newline_and_indent (buffer, spc + 2);
1203           pp_character (buffer, '}');
1204         }
1205     }
1206 }
1207
1208 /* Dump a GIMPLE_OMP_RETURN tuple on the pretty_printer BUFFER.  */
1209
1210 static void
1211 dump_gimple_omp_return (pretty_printer *buffer, gimple gs, int spc, int flags)
1212 {
1213   if (flags & TDF_RAW)
1214     {
1215       dump_gimple_fmt (buffer, spc, flags, "%G <nowait=%d>", gs,
1216                        (int) gimple_omp_return_nowait_p (gs));
1217     }
1218   else
1219     {
1220       pp_string (buffer, "#pragma omp return");
1221       if (gimple_omp_return_nowait_p (gs))
1222         pp_string (buffer, "(nowait)");
1223     }
1224 }
1225
1226 /* Dump a GIMPLE_ASM tuple on the pretty_printer BUFFER, SPC spaces of
1227    indent.  FLAGS specifies details to show in the dump (see TDF_* in
1228    tree-pass.h).  */
1229
1230 static void
1231 dump_gimple_asm (pretty_printer *buffer, gimple gs, int spc, int flags)
1232 {
1233   unsigned int i, n, f, fields;
1234
1235   if (flags & TDF_RAW)
1236     {
1237       dump_gimple_fmt (buffer, spc, flags, "%G <%+STRING <%n%s%n>", gs,
1238                        gimple_asm_string (gs));
1239
1240       n = gimple_asm_noutputs (gs);
1241       if (n)
1242         {
1243           newline_and_indent (buffer, spc + 2);
1244           pp_string (buffer, "OUTPUT: ");
1245           for (i = 0; i < n; i++)
1246             {
1247               dump_generic_node (buffer, gimple_asm_output_op (gs, i),
1248                                  spc, flags, false);
1249               if (i < n - 1)
1250                 pp_string (buffer, ", ");
1251             }
1252         }
1253
1254       n = gimple_asm_ninputs (gs);
1255       if (n)
1256         {
1257           newline_and_indent (buffer, spc + 2);
1258           pp_string (buffer, "INPUT: ");
1259           for (i = 0; i < n; i++)
1260             {
1261               dump_generic_node (buffer, gimple_asm_input_op (gs, i),
1262                                  spc, flags, false);
1263               if (i < n - 1)
1264                 pp_string (buffer, ", ");
1265             }
1266         }
1267
1268       n = gimple_asm_nclobbers (gs);
1269       if (n)
1270         {
1271           newline_and_indent (buffer, spc + 2);
1272           pp_string (buffer, "CLOBBER: ");
1273           for (i = 0; i < n; i++)
1274             {
1275               dump_generic_node (buffer, gimple_asm_clobber_op (gs, i),
1276                                  spc, flags, false);
1277               if (i < n - 1)
1278                 pp_string (buffer, ", ");
1279             }
1280         }
1281
1282       n = gimple_asm_nlabels (gs);
1283       if (n)
1284         {
1285           newline_and_indent (buffer, spc + 2);
1286           pp_string (buffer, "LABEL: ");
1287           for (i = 0; i < n; i++)
1288             {
1289               dump_generic_node (buffer, gimple_asm_label_op (gs, i),
1290                                  spc, flags, false);
1291               if (i < n - 1)
1292                 pp_string (buffer, ", ");
1293             }
1294         }
1295
1296       newline_and_indent (buffer, spc);
1297       pp_character (buffer, '>');
1298     }
1299   else
1300     {
1301       pp_string (buffer, "__asm__");
1302       if (gimple_asm_volatile_p (gs))
1303         pp_string (buffer, " __volatile__");
1304       if (gimple_asm_nlabels (gs))
1305         pp_string (buffer, " goto");
1306       pp_string (buffer, "(\"");
1307       pp_string (buffer, gimple_asm_string (gs));
1308       pp_string (buffer, "\"");
1309
1310       if (gimple_asm_nlabels (gs))
1311         fields = 4;
1312       else if (gimple_asm_nclobbers (gs))
1313         fields = 3;
1314       else if (gimple_asm_ninputs (gs))
1315         fields = 2;
1316       else if (gimple_asm_noutputs (gs))
1317         fields = 1;
1318       else
1319         fields = 0;
1320
1321       for (f = 0; f < fields; ++f)
1322         {
1323           pp_string (buffer, " : ");
1324
1325           switch (f)
1326             {
1327             case 0:
1328               n = gimple_asm_noutputs (gs);
1329               for (i = 0; i < n; i++)
1330                 {
1331                   dump_generic_node (buffer, gimple_asm_output_op (gs, i),
1332                                      spc, flags, false);
1333                   if (i < n - 1)
1334                     pp_string (buffer, ", ");
1335                 }
1336               break;
1337
1338             case 1:
1339               n = gimple_asm_ninputs (gs);
1340               for (i = 0; i < n; i++)
1341                 {
1342                   dump_generic_node (buffer, gimple_asm_input_op (gs, i),
1343                                      spc, flags, false);
1344                   if (i < n - 1)
1345                     pp_string (buffer, ", ");
1346                 }
1347               break;
1348
1349             case 2:
1350               n = gimple_asm_nclobbers (gs);
1351               for (i = 0; i < n; i++)
1352                 {
1353                   dump_generic_node (buffer, gimple_asm_clobber_op (gs, i),
1354                                      spc, flags, false);
1355                   if (i < n - 1)
1356                     pp_string (buffer, ", ");
1357                 }
1358               break;
1359
1360             case 3:
1361               n = gimple_asm_nlabels (gs);
1362               for (i = 0; i < n; i++)
1363                 {
1364                   dump_generic_node (buffer, gimple_asm_label_op (gs, i),
1365                                      spc, flags, false);
1366                   if (i < n - 1)
1367                     pp_string (buffer, ", ");
1368                 }
1369               break;
1370
1371             default:
1372               gcc_unreachable ();
1373             }
1374         }
1375
1376       pp_string (buffer, ");");
1377     }
1378 }
1379
1380
1381 /* Dump a PHI node PHI.  BUFFER, SPC and FLAGS are as in
1382    dump_gimple_stmt.  */
1383
1384 static void
1385 dump_gimple_phi (pretty_printer *buffer, gimple phi, int spc, int flags)
1386 {
1387   size_t i;
1388   tree lhs = gimple_phi_result (phi);
1389
1390   if (flags & TDF_ALIAS
1391       && POINTER_TYPE_P (TREE_TYPE (lhs))
1392       && SSA_NAME_PTR_INFO (lhs))
1393     {
1394       struct ptr_info_def *pi = SSA_NAME_PTR_INFO (lhs);
1395       pp_string (buffer, "PT = ");
1396       pp_points_to_solution (buffer, &pi->pt);
1397       newline_and_indent (buffer, spc);
1398       if (pi->align != 1)
1399         pp_printf (buffer, "# ALIGN = %u, MISALIGN = %u",
1400                    pi->align, pi->misalign);
1401       newline_and_indent (buffer, spc);
1402       pp_string (buffer, "# ");
1403     }
1404
1405   if (flags & TDF_RAW)
1406       dump_gimple_fmt (buffer, spc, flags, "%G <%T, ", phi,
1407                        gimple_phi_result (phi));
1408   else
1409     {
1410       dump_generic_node (buffer, lhs, spc, flags, false);
1411       pp_string (buffer, " = PHI <");
1412     }
1413   for (i = 0; i < gimple_phi_num_args (phi); i++)
1414     {
1415       if ((flags & TDF_LINENO) && gimple_phi_arg_has_location (phi, i))
1416         {
1417           expanded_location xloc;
1418
1419           xloc = expand_location (gimple_phi_arg_location (phi, i));
1420           pp_character (buffer, '[');
1421           if (xloc.file)
1422             {
1423               pp_string (buffer, xloc.file);
1424               pp_string (buffer, " : ");
1425             }
1426           pp_decimal_int (buffer, xloc.line);
1427           pp_string (buffer, ":");
1428           pp_decimal_int (buffer, xloc.column);
1429           pp_string (buffer, "] ");
1430         }
1431       dump_generic_node (buffer, gimple_phi_arg_def (phi, i), spc, flags,
1432                          false);
1433       pp_character (buffer, '(');
1434       pp_decimal_int (buffer, gimple_phi_arg_edge (phi, i)->src->index);
1435       pp_character (buffer, ')');
1436       if (i < gimple_phi_num_args (phi) - 1)
1437         pp_string (buffer, ", ");
1438     }
1439   pp_character (buffer, '>');
1440 }
1441
1442
1443 /* Dump a GIMPLE_OMP_PARALLEL tuple on the pretty_printer BUFFER, SPC spaces
1444    of indent.  FLAGS specifies details to show in the dump (see TDF_* in
1445    tree-pass.h).  */
1446
1447 static void
1448 dump_gimple_omp_parallel (pretty_printer *buffer, gimple gs, int spc,
1449                           int flags)
1450 {
1451   if (flags & TDF_RAW)
1452     {
1453       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1454                        gimple_omp_body (gs));
1455       dump_omp_clauses (buffer, gimple_omp_parallel_clauses (gs), spc, flags);
1456       dump_gimple_fmt (buffer, spc, flags, " >, %T, %T%n>",
1457                        gimple_omp_parallel_child_fn (gs),
1458                        gimple_omp_parallel_data_arg (gs));
1459     }
1460   else
1461     {
1462       gimple_seq body;
1463       pp_string (buffer, "#pragma omp parallel");
1464       dump_omp_clauses (buffer, gimple_omp_parallel_clauses (gs), spc, flags);
1465       if (gimple_omp_parallel_child_fn (gs))
1466         {
1467           pp_string (buffer, " [child fn: ");
1468           dump_generic_node (buffer, gimple_omp_parallel_child_fn (gs),
1469                              spc, flags, false);
1470           pp_string (buffer, " (");
1471           if (gimple_omp_parallel_data_arg (gs))
1472             dump_generic_node (buffer, gimple_omp_parallel_data_arg (gs),
1473                                spc, flags, false);
1474           else
1475             pp_string (buffer, "???");
1476           pp_string (buffer, ")]");
1477         }
1478       body = gimple_omp_body (gs);
1479       if (body && gimple_code (gimple_seq_first_stmt (body)) != GIMPLE_BIND)
1480         {
1481           newline_and_indent (buffer, spc + 2);
1482           pp_character (buffer, '{');
1483           pp_newline (buffer);
1484           dump_gimple_seq (buffer, body, spc + 4, flags);
1485           newline_and_indent (buffer, spc + 2);
1486           pp_character (buffer, '}');
1487         }
1488       else if (body)
1489         {
1490           pp_newline (buffer);
1491           dump_gimple_seq (buffer, body, spc + 2, flags);
1492         }
1493     }
1494 }
1495
1496
1497 /* Dump a GIMPLE_OMP_TASK tuple on the pretty_printer BUFFER, SPC spaces
1498    of indent.  FLAGS specifies details to show in the dump (see TDF_* in
1499    tree-pass.h).  */
1500
1501 static void
1502 dump_gimple_omp_task (pretty_printer *buffer, gimple gs, int spc,
1503                       int flags)
1504 {
1505   if (flags & TDF_RAW)
1506     {
1507       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1508                        gimple_omp_body (gs));
1509       dump_omp_clauses (buffer, gimple_omp_task_clauses (gs), spc, flags);
1510       dump_gimple_fmt (buffer, spc, flags, " >, %T, %T, %T, %T, %T%n>",
1511                        gimple_omp_task_child_fn (gs),
1512                        gimple_omp_task_data_arg (gs),
1513                        gimple_omp_task_copy_fn (gs),
1514                        gimple_omp_task_arg_size (gs),
1515                        gimple_omp_task_arg_size (gs));
1516     }
1517   else
1518     {
1519       gimple_seq body;
1520       pp_string (buffer, "#pragma omp task");
1521       dump_omp_clauses (buffer, gimple_omp_task_clauses (gs), spc, flags);
1522       if (gimple_omp_task_child_fn (gs))
1523         {
1524           pp_string (buffer, " [child fn: ");
1525           dump_generic_node (buffer, gimple_omp_task_child_fn (gs),
1526                              spc, flags, false);
1527           pp_string (buffer, " (");
1528           if (gimple_omp_task_data_arg (gs))
1529             dump_generic_node (buffer, gimple_omp_task_data_arg (gs),
1530                                spc, flags, false);
1531           else
1532             pp_string (buffer, "???");
1533           pp_string (buffer, ")]");
1534         }
1535       body = gimple_omp_body (gs);
1536       if (body && gimple_code (gimple_seq_first_stmt (body)) != GIMPLE_BIND)
1537         {
1538           newline_and_indent (buffer, spc + 2);
1539           pp_character (buffer, '{');
1540           pp_newline (buffer);
1541           dump_gimple_seq (buffer, body, spc + 4, flags);
1542           newline_and_indent (buffer, spc + 2);
1543           pp_character (buffer, '}');
1544         }
1545       else if (body)
1546         {
1547           pp_newline (buffer);
1548           dump_gimple_seq (buffer, body, spc + 2, flags);
1549         }
1550     }
1551 }
1552
1553
1554 /* Dump a GIMPLE_OMP_ATOMIC_LOAD tuple on the pretty_printer BUFFER, SPC
1555    spaces of indent.  FLAGS specifies details to show in the dump (see TDF_*
1556    in tree-pass.h).  */
1557
1558 static void
1559 dump_gimple_omp_atomic_load (pretty_printer *buffer, gimple gs, int spc,
1560                              int flags)
1561 {
1562   if (flags & TDF_RAW)
1563     {
1564       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T>", gs,
1565                        gimple_omp_atomic_load_lhs (gs),
1566                        gimple_omp_atomic_load_rhs (gs));
1567     }
1568   else
1569     {
1570       pp_string (buffer, "#pragma omp atomic_load");
1571       newline_and_indent (buffer, spc + 2);
1572       dump_generic_node (buffer, gimple_omp_atomic_load_lhs (gs),
1573                          spc, flags, false);
1574       pp_space (buffer);
1575       pp_character (buffer, '=');
1576       pp_space (buffer);
1577       pp_character (buffer, '*');
1578       dump_generic_node (buffer, gimple_omp_atomic_load_rhs (gs),
1579                          spc, flags, false);
1580     }
1581 }
1582
1583 /* Dump a GIMPLE_OMP_ATOMIC_STORE tuple on the pretty_printer BUFFER, SPC
1584    spaces of indent.  FLAGS specifies details to show in the dump (see TDF_*
1585    in tree-pass.h).  */
1586
1587 static void
1588 dump_gimple_omp_atomic_store (pretty_printer *buffer, gimple gs, int spc,
1589                              int flags)
1590 {
1591   if (flags & TDF_RAW)
1592     {
1593       dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs,
1594                        gimple_omp_atomic_store_val (gs));
1595     }
1596   else
1597     {
1598       pp_string (buffer, "#pragma omp atomic_store (");
1599       dump_generic_node (buffer, gimple_omp_atomic_store_val (gs),
1600                          spc, flags, false);
1601       pp_character (buffer, ')');
1602     }
1603 }
1604
1605
1606 /* Dump all the memory operands for statement GS.  BUFFER, SPC and
1607    FLAGS are as in dump_gimple_stmt.  */
1608
1609 static void
1610 dump_gimple_mem_ops (pretty_printer *buffer, gimple gs, int spc, int flags)
1611 {
1612   tree vdef = gimple_vdef (gs);
1613   tree vuse = gimple_vuse (gs);
1614
1615   if (!ssa_operands_active () || !gimple_references_memory_p (gs))
1616     return;
1617
1618   if (vdef != NULL_TREE)
1619     {
1620       pp_string (buffer, "# ");
1621       dump_generic_node (buffer, vdef, spc + 2, flags, false);
1622       pp_string (buffer, " = VDEF <");
1623       dump_generic_node (buffer, vuse, spc + 2, flags, false);
1624       pp_character (buffer, '>');
1625       newline_and_indent (buffer, spc);
1626     }
1627   else if (vuse != NULL_TREE)
1628     {
1629       pp_string (buffer, "# VUSE <");
1630       dump_generic_node (buffer, vuse, spc + 2, flags, false);
1631       pp_character (buffer, '>');
1632       newline_and_indent (buffer, spc);
1633     }
1634 }
1635
1636
1637 /* Dump the gimple statement GS on the pretty printer BUFFER, SPC
1638    spaces of indent.  FLAGS specifies details to show in the dump (see
1639    TDF_* in tree-pass.h).  */
1640
1641 void
1642 dump_gimple_stmt (pretty_printer *buffer, gimple gs, int spc, int flags)
1643 {
1644   if (!gs)
1645     return;
1646
1647   if (flags & TDF_STMTADDR)
1648     pp_printf (buffer, "<&%p> ", (void *) gs);
1649
1650   if ((flags & TDF_LINENO) && gimple_has_location (gs))
1651     {
1652       expanded_location xloc = expand_location (gimple_location (gs));
1653       pp_character (buffer, '[');
1654       if (xloc.file)
1655         {
1656           pp_string (buffer, xloc.file);
1657           pp_string (buffer, " : ");
1658         }
1659       pp_decimal_int (buffer, xloc.line);
1660       pp_string (buffer, ":");
1661       pp_decimal_int (buffer, xloc.column);
1662       pp_string (buffer, "] ");
1663     }
1664
1665   if (flags & TDF_EH)
1666     {
1667       int lp_nr = lookup_stmt_eh_lp (gs);
1668       if (lp_nr > 0)
1669         pp_printf (buffer, "[LP %d] ", lp_nr);
1670       else if (lp_nr < 0)
1671         pp_printf (buffer, "[MNT %d] ", -lp_nr);
1672     }
1673
1674   if ((flags & (TDF_VOPS|TDF_MEMSYMS))
1675       && gimple_has_mem_ops (gs))
1676     dump_gimple_mem_ops (buffer, gs, spc, flags);
1677
1678   if ((flags & TDF_ALIAS)
1679       && gimple_has_lhs (gs))
1680     {
1681       tree lhs = gimple_get_lhs (gs);
1682       if (TREE_CODE (lhs) == SSA_NAME
1683           && POINTER_TYPE_P (TREE_TYPE (lhs))
1684           && SSA_NAME_PTR_INFO (lhs))
1685         {
1686           struct ptr_info_def *pi = SSA_NAME_PTR_INFO (lhs);
1687           pp_string (buffer, "# PT = ");
1688           pp_points_to_solution (buffer, &pi->pt);
1689           newline_and_indent (buffer, spc);
1690           if (pi->align != 1)
1691             {
1692               pp_printf (buffer, "# ALIGN = %u, MISALIGN = %u",
1693                          pi->align, pi->misalign);
1694               newline_and_indent (buffer, spc);
1695             }
1696         }
1697     }
1698
1699   switch (gimple_code (gs))
1700     {
1701     case GIMPLE_ASM:
1702       dump_gimple_asm (buffer, gs, spc, flags);
1703       break;
1704
1705     case GIMPLE_ASSIGN:
1706       dump_gimple_assign (buffer, gs, spc, flags);
1707       break;
1708
1709     case GIMPLE_BIND:
1710       dump_gimple_bind (buffer, gs, spc, flags);
1711       break;
1712
1713     case GIMPLE_CALL:
1714       dump_gimple_call (buffer, gs, spc, flags);
1715       break;
1716
1717     case GIMPLE_COND:
1718       dump_gimple_cond (buffer, gs, spc, flags);
1719       break;
1720
1721     case GIMPLE_LABEL:
1722       dump_gimple_label (buffer, gs, spc, flags);
1723       break;
1724
1725     case GIMPLE_GOTO:
1726       dump_gimple_goto (buffer, gs, spc, flags);
1727       break;
1728
1729     case GIMPLE_NOP:
1730       pp_string (buffer, "GIMPLE_NOP");
1731       break;
1732
1733     case GIMPLE_RETURN:
1734       dump_gimple_return (buffer, gs, spc, flags);
1735       break;
1736
1737     case GIMPLE_SWITCH:
1738       dump_gimple_switch (buffer, gs, spc, flags);
1739       break;
1740
1741     case GIMPLE_TRY:
1742       dump_gimple_try (buffer, gs, spc, flags);
1743       break;
1744
1745     case GIMPLE_PHI:
1746       dump_gimple_phi (buffer, gs, spc, flags);
1747       break;
1748
1749     case GIMPLE_OMP_PARALLEL:
1750       dump_gimple_omp_parallel (buffer, gs, spc, flags);
1751       break;
1752
1753     case GIMPLE_OMP_TASK:
1754       dump_gimple_omp_task (buffer, gs, spc, flags);
1755       break;
1756
1757     case GIMPLE_OMP_ATOMIC_LOAD:
1758       dump_gimple_omp_atomic_load (buffer, gs, spc, flags);
1759
1760       break;
1761
1762     case GIMPLE_OMP_ATOMIC_STORE:
1763       dump_gimple_omp_atomic_store (buffer, gs, spc, flags);
1764       break;
1765
1766     case GIMPLE_OMP_FOR:
1767       dump_gimple_omp_for (buffer, gs, spc, flags);
1768       break;
1769
1770     case GIMPLE_OMP_CONTINUE:
1771       dump_gimple_omp_continue (buffer, gs, spc, flags);
1772       break;
1773
1774     case GIMPLE_OMP_SINGLE:
1775       dump_gimple_omp_single (buffer, gs, spc, flags);
1776       break;
1777
1778     case GIMPLE_OMP_RETURN:
1779       dump_gimple_omp_return (buffer, gs, spc, flags);
1780       break;
1781
1782     case GIMPLE_OMP_SECTIONS:
1783       dump_gimple_omp_sections (buffer, gs, spc, flags);
1784       break;
1785
1786     case GIMPLE_OMP_SECTIONS_SWITCH:
1787       pp_string (buffer, "GIMPLE_SECTIONS_SWITCH");
1788       break;
1789
1790     case GIMPLE_OMP_MASTER:
1791     case GIMPLE_OMP_ORDERED:
1792     case GIMPLE_OMP_SECTION:
1793       dump_gimple_omp_block (buffer, gs, spc, flags);
1794       break;
1795
1796     case GIMPLE_OMP_CRITICAL:
1797       dump_gimple_omp_critical (buffer, gs, spc, flags);
1798       break;
1799
1800     case GIMPLE_CATCH:
1801       dump_gimple_catch (buffer, gs, spc, flags);
1802       break;
1803
1804     case GIMPLE_EH_FILTER:
1805       dump_gimple_eh_filter (buffer, gs, spc, flags);
1806       break;
1807
1808     case GIMPLE_EH_MUST_NOT_THROW:
1809       dump_gimple_eh_must_not_throw (buffer, gs, spc, flags);
1810       break;
1811
1812     case GIMPLE_RESX:
1813       dump_gimple_resx (buffer, gs, spc, flags);
1814       break;
1815
1816     case GIMPLE_EH_DISPATCH:
1817       dump_gimple_eh_dispatch (buffer, gs, spc, flags);
1818       break;
1819
1820     case GIMPLE_DEBUG:
1821       dump_gimple_debug (buffer, gs, spc, flags);
1822       break;
1823
1824     case GIMPLE_PREDICT:
1825       pp_string (buffer, "// predicted ");
1826       if (gimple_predict_outcome (gs))
1827         pp_string (buffer, "likely by ");
1828       else
1829         pp_string (buffer, "unlikely by ");
1830       pp_string (buffer, predictor_name (gimple_predict_predictor (gs)));
1831       pp_string (buffer, " predictor.");
1832       break;
1833
1834     default:
1835       GIMPLE_NIY;
1836     }
1837
1838   /* If we're building a diagnostic, the formatted text will be
1839      written into BUFFER's stream by the caller; otherwise, write it
1840      now.  */
1841   if (!(flags & TDF_DIAGNOSTIC))
1842     pp_write_text_to_stream (buffer);
1843 }
1844
1845
1846 /* Dumps header of basic block BB to buffer BUFFER indented by INDENT
1847    spaces and details described by flags.  */
1848
1849 static void
1850 dump_bb_header (pretty_printer *buffer, basic_block bb, int indent, int flags)
1851 {
1852   edge e;
1853   gimple stmt;
1854   edge_iterator ei;
1855
1856   if (flags & TDF_BLOCKS)
1857     {
1858       INDENT (indent);
1859       pp_string (buffer, "# BLOCK ");
1860       pp_decimal_int (buffer, bb->index);
1861       if (bb->frequency)
1862         {
1863           pp_string (buffer, " freq:");
1864           pp_decimal_int (buffer, bb->frequency);
1865         }
1866       if (bb->count)
1867         {
1868           pp_string (buffer, " count:");
1869           pp_widest_integer (buffer, bb->count);
1870         }
1871
1872       if (flags & TDF_LINENO)
1873         {
1874           gimple_stmt_iterator gsi;
1875
1876           for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
1877             if (!is_gimple_debug (gsi_stmt (gsi))
1878                 && get_lineno (gsi_stmt (gsi)) != UNKNOWN_LOCATION)
1879               {
1880                 pp_string (buffer, ", starting at line ");
1881                 pp_decimal_int (buffer, get_lineno (gsi_stmt (gsi)));
1882                 break;
1883               }
1884
1885           if (bb->discriminator)
1886             {
1887               pp_string (buffer, ", discriminator ");
1888               pp_decimal_int (buffer, bb->discriminator);
1889             }
1890         }
1891       newline_and_indent (buffer, indent);
1892
1893       pp_string (buffer, "# PRED:");
1894       pp_write_text_to_stream (buffer);
1895       FOR_EACH_EDGE (e, ei, bb->preds)
1896         if (flags & TDF_SLIM)
1897           {
1898             pp_character (buffer, ' ');
1899             if (e->src == ENTRY_BLOCK_PTR)
1900               pp_string (buffer, "ENTRY");
1901             else
1902               pp_decimal_int (buffer, e->src->index);
1903           }
1904         else
1905           dump_edge_info (buffer->buffer->stream, e, 0);
1906       pp_newline (buffer);
1907     }
1908   else
1909     {
1910       stmt = first_stmt (bb);
1911       if (!stmt || gimple_code (stmt) != GIMPLE_LABEL)
1912         {
1913           INDENT (indent - 2);
1914           pp_string (buffer, "<bb ");
1915           pp_decimal_int (buffer, bb->index);
1916           pp_string (buffer, ">:");
1917           pp_newline (buffer);
1918         }
1919     }
1920   pp_write_text_to_stream (buffer);
1921   if (cfun)
1922     check_bb_profile (bb, buffer->buffer->stream);
1923 }
1924
1925
1926 /* Dumps end of basic block BB to buffer BUFFER indented by INDENT
1927    spaces.  */
1928
1929 static void
1930 dump_bb_end (pretty_printer *buffer, basic_block bb, int indent, int flags)
1931 {
1932   edge e;
1933   edge_iterator ei;
1934
1935   INDENT (indent);
1936   pp_string (buffer, "# SUCC:");
1937   pp_write_text_to_stream (buffer);
1938   FOR_EACH_EDGE (e, ei, bb->succs)
1939     if (flags & TDF_SLIM)
1940       {
1941         pp_character (buffer, ' ');
1942         if (e->dest == EXIT_BLOCK_PTR)
1943           pp_string (buffer, "EXIT");
1944         else
1945           pp_decimal_int (buffer, e->dest->index);
1946       }
1947     else
1948       dump_edge_info (buffer->buffer->stream, e, 1);
1949   pp_newline (buffer);
1950 }
1951
1952
1953 /* Dump PHI nodes of basic block BB to BUFFER with details described
1954    by FLAGS and indented by INDENT spaces.  */
1955
1956 static void
1957 dump_phi_nodes (pretty_printer *buffer, basic_block bb, int indent, int flags)
1958 {
1959   gimple_stmt_iterator i;
1960
1961   for (i = gsi_start_phis (bb); !gsi_end_p (i); gsi_next (&i))
1962     {
1963       gimple phi = gsi_stmt (i);
1964       if (is_gimple_reg (gimple_phi_result (phi)) || (flags & TDF_VOPS))
1965         {
1966           INDENT (indent);
1967           pp_string (buffer, "# ");
1968           dump_gimple_phi (buffer, phi, indent, flags);
1969           pp_newline (buffer);
1970         }
1971     }
1972 }
1973
1974
1975 /* Dump jump to basic block BB that is represented implicitly in the cfg
1976    to BUFFER.  */
1977
1978 static void
1979 pp_cfg_jump (pretty_printer *buffer, basic_block bb)
1980 {
1981   gimple stmt;
1982
1983   stmt = first_stmt (bb);
1984
1985   pp_string (buffer, "goto <bb ");
1986   pp_decimal_int (buffer, bb->index);
1987   pp_character (buffer, '>');
1988   if (stmt && gimple_code (stmt) == GIMPLE_LABEL)
1989     {
1990       pp_string (buffer, " (");
1991       dump_generic_node (buffer, gimple_label_label (stmt), 0, 0, false);
1992       pp_character (buffer, ')');
1993       pp_semicolon (buffer);
1994     }
1995   else
1996     pp_semicolon (buffer);
1997 }
1998
1999
2000 /* Dump edges represented implicitly in basic block BB to BUFFER, indented
2001    by INDENT spaces, with details given by FLAGS.  */
2002
2003 static void
2004 dump_implicit_edges (pretty_printer *buffer, basic_block bb, int indent,
2005                      int flags)
2006 {
2007   edge e;
2008   gimple stmt;
2009
2010   stmt = last_stmt (bb);
2011
2012   if (stmt && gimple_code (stmt) == GIMPLE_COND)
2013     {
2014       edge true_edge, false_edge;
2015
2016       /* When we are emitting the code or changing CFG, it is possible that
2017          the edges are not yet created.  When we are using debug_bb in such
2018          a situation, we do not want it to crash.  */
2019       if (EDGE_COUNT (bb->succs) != 2)
2020         return;
2021       extract_true_false_edges_from_block (bb, &true_edge, &false_edge);
2022
2023       INDENT (indent + 2);
2024       pp_cfg_jump (buffer, true_edge->dest);
2025       newline_and_indent (buffer, indent);
2026       pp_string (buffer, "else");
2027       newline_and_indent (buffer, indent + 2);
2028       pp_cfg_jump (buffer, false_edge->dest);
2029       pp_newline (buffer);
2030       return;
2031     }
2032
2033   /* If there is a fallthru edge, we may need to add an artificial
2034      goto to the dump.  */
2035   e = find_fallthru_edge (bb->succs);
2036
2037   if (e && e->dest != bb->next_bb)
2038     {
2039       INDENT (indent);
2040
2041       if ((flags & TDF_LINENO)
2042           && e->goto_locus != UNKNOWN_LOCATION
2043           )
2044         {
2045           expanded_location goto_xloc;
2046           goto_xloc = expand_location (e->goto_locus);
2047           pp_character (buffer, '[');
2048           if (goto_xloc.file)
2049             {
2050               pp_string (buffer, goto_xloc.file);
2051               pp_string (buffer, " : ");
2052             }
2053           pp_decimal_int (buffer, goto_xloc.line);
2054           pp_string (buffer, " : ");
2055           pp_decimal_int (buffer, goto_xloc.column);
2056           pp_string (buffer, "] ");
2057         }
2058
2059       pp_cfg_jump (buffer, e->dest);
2060       pp_newline (buffer);
2061     }
2062 }
2063
2064
2065 /* Dumps basic block BB to buffer BUFFER with details described by FLAGS and
2066    indented by INDENT spaces.  */
2067
2068 static void
2069 gimple_dump_bb_buff (pretty_printer *buffer, basic_block bb, int indent,
2070                      int flags)
2071 {
2072   gimple_stmt_iterator gsi;
2073   gimple stmt;
2074   int label_indent = indent - 2;
2075
2076   if (label_indent < 0)
2077     label_indent = 0;
2078
2079   dump_bb_header (buffer, bb, indent, flags);
2080   dump_phi_nodes (buffer, bb, indent, flags);
2081
2082   for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
2083     {
2084       int curr_indent;
2085
2086       stmt = gsi_stmt (gsi);
2087
2088       curr_indent = gimple_code (stmt) == GIMPLE_LABEL ? label_indent : indent;
2089
2090       INDENT (curr_indent);
2091       dump_gimple_stmt (buffer, stmt, curr_indent, flags);
2092       pp_newline (buffer);
2093       dump_histograms_for_stmt (cfun, buffer->buffer->stream, stmt);
2094     }
2095
2096   dump_implicit_edges (buffer, bb, indent, flags);
2097
2098   if (flags & TDF_BLOCKS)
2099     dump_bb_end (buffer, bb, indent, flags);
2100 }
2101
2102
2103 /* Dumps basic block BB to FILE with details described by FLAGS and
2104    indented by INDENT spaces.  */
2105
2106 void
2107 gimple_dump_bb (basic_block bb, FILE *file, int indent, int flags)
2108 {
2109   maybe_init_pretty_print (file);
2110   gimple_dump_bb_buff (&buffer, bb, indent, flags);
2111   pp_flush (&buffer);
2112 }