gcc/gimple-pretty-print.c

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