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