gcc/gimple-pretty-print.c

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