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_OMP_FOR tuple on the pretty_printer BUFFER.  */
 784 static void
 785 dump_gimple_omp_for (pretty_printer *buffer, gimple gs, int spc, int flags)
 786 {
 787   size_t i;
 788
 789   if (flags & TDF_RAW)
 790     {
 791       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
 792                        gimple_omp_body (gs));
 793       dump_omp_clauses (buffer, gimple_omp_for_clauses (gs), spc, flags);
 794       dump_gimple_fmt (buffer, spc, flags, " >,");
 795       for (i = 0; i < gimple_omp_for_collapse (gs); i++)
 796         dump_gimple_fmt (buffer, spc, flags,
 797                          "%+%T, %T, %T, %s, %T,%n",
 798                          gimple_omp_for_index (gs, i),
 799                          gimple_omp_for_initial (gs, i),
 800                          gimple_omp_for_final (gs, i),
 801                          tree_code_name[gimple_omp_for_cond (gs, i)],
 802                          gimple_omp_for_incr (gs, i));
 803       dump_gimple_fmt (buffer, spc, flags, "PRE_BODY <%S>%->",
 804                        gimple_omp_for_pre_body (gs));
 805     }
 806   else
 807     {
 808       pp_string (buffer, "#pragma omp for");
 809       dump_omp_clauses (buffer, gimple_omp_for_clauses (gs), spc, flags);
 810       for (i = 0; i < gimple_omp_for_collapse (gs); i++)
 811         {
 812           if (i)
 813             spc += 2;
 814           newline_and_indent (buffer, spc);
 815           pp_string (buffer, "for (");
 816           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
 817                              flags, false);
 818           pp_string (buffer, " = ");
 819           dump_generic_node (buffer, gimple_omp_for_initial (gs, i), spc,
 820                              flags, false);
 821           pp_string (buffer, "; ");
 822
 823           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
 824                              flags, false);
 825           pp_space (buffer);
 826           switch (gimple_omp_for_cond (gs, i))
 827             {
 828             case LT_EXPR:
 829               pp_character (buffer, '<');
 830               break;
 831             case GT_EXPR:
 832               pp_character (buffer, '>');
 833               break;
 834             case LE_EXPR:
 835               pp_string (buffer, "<=");
 836               break;
 837             case GE_EXPR:
 838               pp_string (buffer, ">=");
 839               break;
 840             default:
 841               gcc_unreachable ();
 842             }
 843           pp_space (buffer);
 844           dump_generic_node (buffer, gimple_omp_for_final (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_string (buffer, " = ");
 851           dump_generic_node (buffer, gimple_omp_for_incr (gs, i), spc,
 852                              flags, false);
 853           pp_character (buffer, ')');
 854         }
 855
 856       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
 857         {
 858           newline_and_indent (buffer, spc + 2);
 859           pp_character (buffer, '{');
 860           pp_newline (buffer);
 861           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
 862           newline_and_indent (buffer, spc + 2);
 863           pp_character (buffer, '}');
 864         }
 865     }
 866 }
 867
 868 /* Dump a GIMPLE_OMP_CONTINUE tuple on the pretty_printer BUFFER.  */
 869
 870 static void
 871 dump_gimple_omp_continue (pretty_printer *buffer, gimple gs, int spc, int flags)
 872 {
 873   if (flags & TDF_RAW)
 874     {
 875       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T>", gs,
 876                        gimple_omp_continue_control_def (gs),
 877                        gimple_omp_continue_control_use (gs));
 878     }
 879   else
 880     {
 881       pp_string (buffer, "#pragma omp continue (");
 882       dump_generic_node (buffer, gimple_omp_continue_control_def (gs),
 883                          spc, flags, false);
 884       pp_character (buffer, ',');
 885       pp_space (buffer);
 886       dump_generic_node (buffer, gimple_omp_continue_control_use (gs),
 887                          spc, flags, false);
 888       pp_character (buffer, ')');
 889     }
 890 }
 891
 892 /* Dump a GIMPLE_OMP_SINGLE tuple on the pretty_printer BUFFER.  */
 893
 894 static void
 895 dump_gimple_omp_single (pretty_printer *buffer, gimple gs, int spc, int flags)
 896 {
 897   if (flags & TDF_RAW)
 898     {
 899       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
 900                        gimple_omp_body (gs));
 901       dump_omp_clauses (buffer, gimple_omp_single_clauses (gs), spc, flags);
 902       dump_gimple_fmt (buffer, spc, flags, " >");
 903     }
 904   else
 905     {
 906       pp_string (buffer, "#pragma omp single");
 907       dump_omp_clauses (buffer, gimple_omp_single_clauses (gs), spc, flags);
 908       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
 909         {
 910           newline_and_indent (buffer, spc + 2);
 911           pp_character (buffer, '{');
 912           pp_newline (buffer);
 913           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
 914           newline_and_indent (buffer, spc + 2);
 915           pp_character (buffer, '}');
 916         }
 917     }
 918 }
 919
 920 /* Dump a GIMPLE_OMP_SECTIONS tuple on the pretty_printer BUFFER.  */
 921
 922 static void
 923 dump_gimple_omp_sections (pretty_printer *buffer, gimple gs, int spc,
 924                           int flags)
 925 {
 926   if (flags & TDF_RAW)
 927     {
 928       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
 929                        gimple_omp_body (gs));
 930       dump_omp_clauses (buffer, gimple_omp_sections_clauses (gs), spc, flags);
 931       dump_gimple_fmt (buffer, spc, flags, " >");
 932     }
 933   else
 934     {
 935       pp_string (buffer, "#pragma omp sections");
 936       if (gimple_omp_sections_control (gs))
 937         {
 938           pp_string (buffer, " <");
 939           dump_generic_node (buffer, gimple_omp_sections_control (gs), spc,
 940                              flags, false);
 941           pp_character (buffer, '>');
 942         }
 943       dump_omp_clauses (buffer, gimple_omp_sections_clauses (gs), spc, flags);
 944       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
 945         {
 946           newline_and_indent (buffer, spc + 2);
 947           pp_character (buffer, '{');
 948           pp_newline (buffer);
 949           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
 950           newline_and_indent (buffer, spc + 2);
 951           pp_character (buffer, '}');
 952         }
 953     }
 954 }
 955
 956 /* Dump a GIMPLE_OMP_{MASTER,ORDERED,SECTION} tuple on the pretty_printer
 957    BUFFER.  */
 958
 959 static void
 960 dump_gimple_omp_block (pretty_printer *buffer, gimple gs, int spc, int flags)
 961 {
 962   if (flags & TDF_RAW)
 963     dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S> >", gs,
 964                      gimple_omp_body (gs));
 965   else
 966     {
 967       switch (gimple_code (gs))
 968         {
 969         case GIMPLE_OMP_MASTER:
 970           pp_string (buffer, "#pragma omp master");
 971           break;
 972         case GIMPLE_OMP_ORDERED:
 973           pp_string (buffer, "#pragma omp ordered");
 974           break;
 975         case GIMPLE_OMP_SECTION:
 976           pp_string (buffer, "#pragma omp section");
 977           break;
 978         default:
 979           gcc_unreachable ();
 980         }
 981       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
 982         {
 983           newline_and_indent (buffer, spc + 2);
 984           pp_character (buffer, '{');
 985           pp_newline (buffer);
 986           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
 987           newline_and_indent (buffer, spc + 2);
 988           pp_character (buffer, '}');
 989         }
 990     }
 991 }
 992
 993 /* Dump a GIMPLE_OMP_CRITICAL tuple on the pretty_printer BUFFER.  */
 994
 995 static void
 996 dump_gimple_omp_critical (pretty_printer *buffer, gimple gs, int spc,
 997                           int flags)
 998 {
 999   if (flags & TDF_RAW)
1000     dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S> >", gs,
1001                      gimple_omp_body (gs));
1002   else
1003     {
1004       pp_string (buffer, "#pragma omp critical");
1005       if (gimple_omp_critical_name (gs))
1006         {
1007           pp_string (buffer, " (");
1008           dump_generic_node (buffer, gimple_omp_critical_name (gs), spc,
1009                              flags, false);
1010           pp_character (buffer, ')');
1011         }
1012       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1013         {
1014           newline_and_indent (buffer, spc + 2);
1015           pp_character (buffer, '{');
1016           pp_newline (buffer);
1017           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1018           newline_and_indent (buffer, spc + 2);
1019           pp_character (buffer, '}');
1020         }
1021     }
1022 }
1023
1024 /* Dump a GIMPLE_OMP_RETURN tuple on the pretty_printer BUFFER.  */
1025
1026 static void
1027 dump_gimple_omp_return (pretty_printer *buffer, gimple gs, int spc, int flags)
1028 {
1029   if (flags & TDF_RAW)
1030     {
1031       dump_gimple_fmt (buffer, spc, flags, "%G <nowait=%d>", gs,
1032                        (int) gimple_omp_return_nowait_p (gs));
1033     }
1034   else
1035     {
1036       pp_string (buffer, "#pragma omp return");
1037       if (gimple_omp_return_nowait_p (gs))
1038         pp_string (buffer, "(nowait)");
1039     }
1040 }
1041
1042 /* Dump a GIMPLE_ASM tuple on the pretty_printer BUFFER, SPC spaces of
1043    indent.  FLAGS specifies details to show in the dump (see TDF_* in
1044    tree-pass.h).  */
1045
1046 static void
1047 dump_gimple_asm (pretty_printer *buffer, gimple gs, int spc, int flags)
1048 {
1049   unsigned int i;
1050
1051   if (flags & TDF_RAW)
1052     dump_gimple_fmt (buffer, spc, flags, "%G <%+STRING <%n%s%n>", gs,
1053                      gimple_asm_string (gs));
1054   else
1055     {
1056       pp_string (buffer, "__asm__");
1057       if (gimple_asm_volatile_p (gs))
1058         pp_string (buffer, " __volatile__");
1059       pp_string (buffer, "(\"");
1060       pp_string (buffer, gimple_asm_string (gs));
1061       pp_string (buffer, "\"");
1062     }
1063
1064   if (gimple_asm_ninputs (gs)
1065      || gimple_asm_noutputs (gs)
1066      || gimple_asm_nclobbers (gs))
1067     {
1068       if (gimple_asm_noutputs (gs))
1069         {
1070           if (flags & TDF_RAW)
1071             {
1072               newline_and_indent (buffer, spc + 2);
1073               pp_string (buffer, "OUTPUT: ");
1074             }
1075           else
1076             pp_string (buffer, " : ");
1077         }
1078
1079       for (i = 0; i < gimple_asm_noutputs (gs); i++)
1080         {
1081           dump_generic_node (buffer, gimple_asm_output_op (gs, i), spc, flags,
1082                              false);
1083           if ( i < gimple_asm_noutputs (gs) -1)
1084             pp_string (buffer, ", ");
1085         }
1086
1087       if (gimple_asm_ninputs (gs))
1088         {
1089           if (flags & TDF_RAW)
1090             {
1091               newline_and_indent (buffer, spc + 2);
1092               pp_string (buffer, "INPUT: ");
1093             }
1094           else
1095             pp_string (buffer, " : ");
1096         }
1097
1098       for (i = 0; i < gimple_asm_ninputs (gs); i++)
1099         {
1100           dump_generic_node (buffer, gimple_asm_input_op (gs, i), spc, flags,
1101                              false);
1102           if (i < gimple_asm_ninputs (gs) -1)
1103             pp_string (buffer, " : ");
1104         }
1105
1106       if (gimple_asm_nclobbers (gs))
1107         {
1108           if (flags & TDF_RAW)
1109             {
1110               newline_and_indent (buffer, spc + 2);
1111               pp_string (buffer, "CLOBBER: ");
1112             }
1113           else
1114             pp_string (buffer, " : ");
1115         }
1116
1117       for (i = 0; i < gimple_asm_nclobbers (gs); i++)
1118         {
1119           dump_generic_node (buffer, gimple_asm_clobber_op (gs, i), spc, flags,
1120                              false);
1121           if ( i < gimple_asm_nclobbers (gs) -1)
1122             pp_string (buffer, ", ");
1123         }
1124     }
1125   if (flags & TDF_RAW)
1126     {
1127       newline_and_indent (buffer, spc);
1128       pp_character (buffer, '>');
1129     }
1130   else
1131     pp_string (buffer, ");");
1132 }
1133
1134
1135 /* Dump a PHI node PHI.  BUFFER, SPC and FLAGS are as in
1136    dump_gimple_stmt.  */
1137
1138 static void
1139 dump_gimple_phi (pretty_printer *buffer, gimple phi, int spc, int flags)
1140 {
1141   size_t i;
1142
1143   if (flags & TDF_RAW)
1144       dump_gimple_fmt (buffer, spc, flags, "%G <%T, ", phi,
1145                        gimple_phi_result (phi));
1146   else
1147     {
1148       dump_generic_node (buffer, gimple_phi_result (phi), spc, flags, false);
1149       pp_string (buffer, " = PHI <");
1150     }
1151   for (i = 0; i < gimple_phi_num_args (phi); i++)
1152     {
1153       if ((flags & TDF_LINENO) && gimple_phi_arg_has_location (phi, i))
1154         {
1155           expanded_location xloc;
1156
1157           xloc = expand_location (gimple_phi_arg_location (phi, i));
1158           pp_character (buffer, '[');
1159           if (xloc.file)
1160             {
1161               pp_string (buffer, xloc.file);
1162               pp_string (buffer, " : ");
1163             }
1164           pp_decimal_int (buffer, xloc.line);
1165           pp_string (buffer, ":");
1166           pp_decimal_int (buffer, xloc.column);
1167           pp_string (buffer, "] ");
1168         }
1169       dump_generic_node (buffer, gimple_phi_arg_def (phi, i), spc, flags,
1170                          false);
1171       pp_character (buffer, '(');
1172       pp_decimal_int (buffer, gimple_phi_arg_edge (phi, i)->src->index);
1173       pp_character (buffer, ')');
1174       if (i < gimple_phi_num_args (phi) - 1)
1175         pp_string (buffer, ", ");
1176     }
1177   pp_character (buffer, '>');
1178 }
1179
1180
1181 /* Dump a GIMPLE_OMP_PARALLEL tuple on the pretty_printer BUFFER, SPC spaces
1182    of indent.  FLAGS specifies details to show in the dump (see TDF_* in
1183    tree-pass.h).  */
1184
1185 static void
1186 dump_gimple_omp_parallel (pretty_printer *buffer, gimple gs, int spc,
1187                           int flags)
1188 {
1189   if (flags & TDF_RAW)
1190     {
1191       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1192                        gimple_omp_body (gs));
1193       dump_omp_clauses (buffer, gimple_omp_parallel_clauses (gs), spc, flags);
1194       dump_gimple_fmt (buffer, spc, flags, " >, %T, %T%n>",
1195                        gimple_omp_parallel_child_fn (gs),
1196                        gimple_omp_parallel_data_arg (gs));
1197     }
1198   else
1199     {
1200       gimple_seq body;
1201       pp_string (buffer, "#pragma omp parallel");
1202       dump_omp_clauses (buffer, gimple_omp_parallel_clauses (gs), spc, flags);
1203       if (gimple_omp_parallel_child_fn (gs))
1204         {
1205           pp_string (buffer, " [child fn: ");
1206           dump_generic_node (buffer, gimple_omp_parallel_child_fn (gs),
1207                              spc, flags, false);
1208           pp_string (buffer, " (");
1209           if (gimple_omp_parallel_data_arg (gs))
1210             dump_generic_node (buffer, gimple_omp_parallel_data_arg (gs),
1211                                spc, flags, false);
1212           else
1213             pp_string (buffer, "???");
1214           pp_string (buffer, ")]");
1215         }
1216       body = gimple_omp_body (gs);
1217       if (body && gimple_code (gimple_seq_first_stmt (body)) != GIMPLE_BIND)
1218         {
1219           newline_and_indent (buffer, spc + 2);
1220           pp_character (buffer, '{');
1221           pp_newline (buffer);
1222           dump_gimple_seq (buffer, body, spc + 4, flags);
1223           newline_and_indent (buffer, spc + 2);
1224           pp_character (buffer, '}');
1225         }
1226       else if (body)
1227         {
1228           pp_newline (buffer);
1229           dump_gimple_seq (buffer, body, spc + 2, flags);
1230         }
1231     }
1232 }
1233
1234
1235 /* Dump a GIMPLE_OMP_TASK tuple on the pretty_printer BUFFER, SPC spaces
1236    of indent.  FLAGS specifies details to show in the dump (see TDF_* in
1237    tree-pass.h).  */
1238
1239 static void
1240 dump_gimple_omp_task (pretty_printer *buffer, gimple gs, int spc,
1241                       int flags)
1242 {
1243   if (flags & TDF_RAW)
1244     {
1245       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1246                        gimple_omp_body (gs));
1247       dump_omp_clauses (buffer, gimple_omp_task_clauses (gs), spc, flags);
1248       dump_gimple_fmt (buffer, spc, flags, " >, %T, %T, %T, %T, %T%n>",
1249                        gimple_omp_task_child_fn (gs),
1250                        gimple_omp_task_data_arg (gs),
1251                        gimple_omp_task_copy_fn (gs),
1252                        gimple_omp_task_arg_size (gs),
1253                        gimple_omp_task_arg_size (gs));
1254     }
1255   else
1256     {
1257       gimple_seq body;
1258       pp_string (buffer, "#pragma omp task");
1259       dump_omp_clauses (buffer, gimple_omp_task_clauses (gs), spc, flags);
1260       if (gimple_omp_task_child_fn (gs))
1261         {
1262           pp_string (buffer, " [child fn: ");
1263           dump_generic_node (buffer, gimple_omp_task_child_fn (gs),
1264                              spc, flags, false);
1265           pp_string (buffer, " (");
1266           if (gimple_omp_task_data_arg (gs))
1267             dump_generic_node (buffer, gimple_omp_task_data_arg (gs),
1268                                spc, flags, false);
1269           else
1270             pp_string (buffer, "???");
1271           pp_string (buffer, ")]");
1272         }
1273       body = gimple_omp_body (gs);
1274       if (body && gimple_code (gimple_seq_first_stmt (body)) != GIMPLE_BIND)
1275         {
1276           newline_and_indent (buffer, spc + 2);
1277           pp_character (buffer, '{');
1278           pp_newline (buffer);
1279           dump_gimple_seq (buffer, body, spc + 4, flags);
1280           newline_and_indent (buffer, spc + 2);
1281           pp_character (buffer, '}');
1282         }
1283       else if (body)
1284         {
1285           pp_newline (buffer);
1286           dump_gimple_seq (buffer, body, spc + 2, flags);
1287         }
1288     }
1289 }
1290
1291
1292 /* Dump a GIMPLE_OMP_ATOMIC_LOAD tuple on the pretty_printer BUFFER, SPC
1293    spaces of indent.  FLAGS specifies details to show in the dump (see TDF_*
1294    in tree-pass.h).  */
1295
1296 static void
1297 dump_gimple_omp_atomic_load (pretty_printer *buffer, gimple gs, int spc,
1298                              int flags)
1299 {
1300   if (flags & TDF_RAW)
1301     {
1302       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T>", gs,
1303                        gimple_omp_atomic_load_lhs (gs),
1304                        gimple_omp_atomic_load_rhs (gs));
1305     }
1306   else
1307     {
1308       pp_string (buffer, "#pragma omp atomic_load");
1309       newline_and_indent (buffer, spc + 2);
1310       dump_generic_node (buffer, gimple_omp_atomic_load_lhs (gs),
1311                          spc, flags, false);
1312       pp_space (buffer);
1313       pp_character (buffer, '=');
1314       pp_space (buffer);
1315       pp_character (buffer, '*');
1316       dump_generic_node (buffer, gimple_omp_atomic_load_rhs (gs),
1317                          spc, flags, false);
1318     }
1319 }
1320
1321 /* Dump a GIMPLE_OMP_ATOMIC_STORE tuple on the pretty_printer BUFFER, SPC
1322    spaces of indent.  FLAGS specifies details to show in the dump (see TDF_*
1323    in tree-pass.h).  */
1324
1325 static void
1326 dump_gimple_omp_atomic_store (pretty_printer *buffer, gimple gs, int spc,
1327                              int flags)
1328 {
1329   if (flags & TDF_RAW)
1330     {
1331       dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs,
1332                        gimple_omp_atomic_store_val (gs));
1333     }
1334   else
1335     {
1336       pp_string (buffer, "#pragma omp atomic_store (");
1337       dump_generic_node (buffer, gimple_omp_atomic_store_val (gs),
1338                          spc, flags, false);
1339       pp_character (buffer, ')');
1340     }
1341 }
1342
1343
1344 /* Dump all the memory operands for statement GS.  BUFFER, SPC and
1345    FLAGS are as in dump_gimple_stmt.  */
1346
1347 static void
1348 dump_gimple_mem_ops (pretty_printer *buffer, gimple gs, int spc, int flags)
1349 {
1350   tree vdef = gimple_vdef (gs);
1351   tree vuse = gimple_vuse (gs);
1352
1353   if (!ssa_operands_active () || !gimple_references_memory_p (gs))
1354     return;
1355
1356   if (vdef != NULL_TREE)
1357     {
1358       pp_string (buffer, "# ");
1359       dump_generic_node (buffer, vdef, spc + 2, flags, false);
1360       pp_string (buffer, " = VDEF <");
1361       dump_generic_node (buffer, vuse, spc + 2, flags, false);
1362       pp_character (buffer, '>');
1363       newline_and_indent (buffer, spc);
1364     }
1365   else if (vuse != NULL_TREE)
1366     {
1367       pp_string (buffer, "# VUSE <");
1368       dump_generic_node (buffer, vuse, spc + 2, flags, false);
1369       pp_character (buffer, '>');
1370       newline_and_indent (buffer, spc);
1371     }
1372 }
1373
1374
1375 /* Dump the gimple statement GS on the pretty printer BUFFER, SPC
1376    spaces of indent.  FLAGS specifies details to show in the dump (see
1377    TDF_* in tree-pass.h).  */
1378
1379 void
1380 dump_gimple_stmt (pretty_printer *buffer, gimple gs, int spc, int flags)
1381 {
1382   if (!gs)
1383     return;
1384
1385   if (flags & TDF_STMTADDR)
1386     pp_printf (buffer, "<&%p> ", (void *) gs);
1387
1388   if ((flags & TDF_LINENO) && gimple_has_location (gs))
1389     {
1390       expanded_location xloc = expand_location (gimple_location (gs));
1391       pp_character (buffer, '[');
1392       if (xloc.file)
1393         {
1394           pp_string (buffer, xloc.file);
1395           pp_string (buffer, " : ");
1396         }
1397       pp_decimal_int (buffer, xloc.line);
1398       pp_string (buffer, ":");
1399       pp_decimal_int (buffer, xloc.column);
1400       pp_string (buffer, "] ");
1401     }
1402
1403   if (flags & TDF_EH)
1404     {
1405       int eh_region = lookup_stmt_eh_region_fn (cfun, gs);
1406       if (eh_region >= 0)
1407         pp_printf (buffer, "[EH #%d] ", eh_region);
1408     }
1409
1410   if ((flags & (TDF_VOPS|TDF_MEMSYMS))
1411       && gimple_has_mem_ops (gs))
1412     dump_gimple_mem_ops (buffer, gs, spc, flags);
1413
1414   switch (gimple_code (gs))
1415     {
1416     case GIMPLE_ASM:
1417       dump_gimple_asm (buffer, gs, spc, flags);
1418       break;
1419
1420     case GIMPLE_ASSIGN:
1421       dump_gimple_assign (buffer, gs, spc, flags);
1422       break;
1423
1424     case GIMPLE_BIND:
1425       dump_gimple_bind (buffer, gs, spc, flags);
1426       break;
1427
1428     case GIMPLE_CALL:
1429       dump_gimple_call (buffer, gs, spc, flags);
1430       break;
1431
1432     case GIMPLE_COND:
1433       dump_gimple_cond (buffer, gs, spc, flags);
1434       break;
1435
1436     case GIMPLE_LABEL:
1437       dump_gimple_label (buffer, gs, spc, flags);
1438       break;
1439
1440     case GIMPLE_GOTO:
1441       dump_gimple_goto (buffer, gs, spc, flags);
1442       break;
1443
1444     case GIMPLE_NOP:
1445       pp_string (buffer, "GIMPLE_NOP");
1446       break;
1447
1448     case GIMPLE_RETURN:
1449       dump_gimple_return (buffer, gs, spc, flags);
1450       break;
1451
1452     case GIMPLE_SWITCH:
1453       dump_gimple_switch (buffer, gs, spc, flags);
1454       break;
1455
1456     case GIMPLE_TRY:
1457       dump_gimple_try (buffer, gs, spc, flags);
1458       break;
1459
1460     case GIMPLE_PHI:
1461       dump_gimple_phi (buffer, gs, spc, flags);
1462       break;
1463
1464     case GIMPLE_OMP_PARALLEL:
1465       dump_gimple_omp_parallel (buffer, gs, spc, flags);
1466       break;
1467
1468     case GIMPLE_OMP_TASK:
1469       dump_gimple_omp_task (buffer, gs, spc, flags);
1470       break;
1471
1472     case GIMPLE_OMP_ATOMIC_LOAD:
1473       dump_gimple_omp_atomic_load (buffer, gs, spc, flags);
1474
1475       break;
1476
1477     case GIMPLE_OMP_ATOMIC_STORE:
1478       dump_gimple_omp_atomic_store (buffer, gs, spc, flags);
1479       break;
1480
1481     case GIMPLE_OMP_FOR:
1482       dump_gimple_omp_for (buffer, gs, spc, flags);
1483       break;
1484
1485     case GIMPLE_OMP_CONTINUE:
1486       dump_gimple_omp_continue (buffer, gs, spc, flags);
1487       break;
1488
1489     case GIMPLE_OMP_SINGLE:
1490       dump_gimple_omp_single (buffer, gs, spc, flags);
1491       break;
1492
1493     case GIMPLE_OMP_RETURN:
1494       dump_gimple_omp_return (buffer, gs, spc, flags);
1495       break;
1496
1497     case GIMPLE_OMP_SECTIONS:
1498       dump_gimple_omp_sections (buffer, gs, spc, flags);
1499       break;
1500
1501     case GIMPLE_OMP_SECTIONS_SWITCH:
1502       pp_string (buffer, "GIMPLE_SECTIONS_SWITCH");
1503       break;
1504
1505     case GIMPLE_OMP_MASTER:
1506     case GIMPLE_OMP_ORDERED:
1507     case GIMPLE_OMP_SECTION:
1508       dump_gimple_omp_block (buffer, gs, spc, flags);
1509       break;
1510
1511     case GIMPLE_OMP_CRITICAL:
1512       dump_gimple_omp_critical (buffer, gs, spc, flags);
1513       break;
1514
1515     case GIMPLE_CATCH:
1516       dump_gimple_catch (buffer, gs, spc, flags);
1517       break;
1518
1519     case GIMPLE_EH_FILTER:
1520       dump_gimple_eh_filter (buffer, gs, spc, flags);
1521       break;
1522
1523     case GIMPLE_RESX:
1524       dump_gimple_resx (buffer, gs, spc, flags);
1525       break;
1526
1527     case GIMPLE_PREDICT:
1528       pp_string (buffer, "// predicted ");
1529       if (gimple_predict_outcome (gs))
1530         pp_string (buffer, "likely by ");
1531       else
1532         pp_string (buffer, "unlikely by ");
1533       pp_string (buffer, predictor_name (gimple_predict_predictor (gs)));
1534       pp_string (buffer, " predictor.");
1535       break;
1536
1537     default:
1538       GIMPLE_NIY;
1539     }
1540
1541   /* If we're building a diagnostic, the formatted text will be
1542      written into BUFFER's stream by the caller; otherwise, write it
1543      now.  */
1544   if (!(flags & TDF_DIAGNOSTIC))
1545     pp_write_text_to_stream (buffer);
1546 }
1547
1548
1549 /* Dumps header of basic block BB to buffer BUFFER indented by INDENT
1550    spaces and details described by flags.  */
1551
1552 static void
1553 dump_bb_header (pretty_printer *buffer, basic_block bb, int indent, int flags)
1554 {
1555   edge e;
1556   gimple stmt;
1557   edge_iterator ei;
1558
1559   if (flags & TDF_BLOCKS)
1560     {
1561       INDENT (indent);
1562       pp_string (buffer, "# BLOCK ");
1563       pp_decimal_int (buffer, bb->index);
1564       if (bb->frequency)
1565         {
1566           pp_string (buffer, " freq:");
1567           pp_decimal_int (buffer, bb->frequency);
1568         }
1569       if (bb->count)
1570         {
1571           pp_string (buffer, " count:");
1572           pp_widest_integer (buffer, bb->count);
1573         }
1574
1575       if (flags & TDF_LINENO)
1576         {
1577           gimple_stmt_iterator gsi;
1578
1579           for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
1580             if (get_lineno (gsi_stmt (gsi)) != -1)
1581               {
1582                 pp_string (buffer, ", starting at line ");
1583                 pp_decimal_int (buffer, get_lineno (gsi_stmt (gsi)));
1584                 break;
1585               }
1586
1587           if (bb->discriminator)
1588             {
1589               pp_string (buffer, ", discriminator ");
1590               pp_decimal_int (buffer, bb->discriminator);
1591             }
1592         }
1593       newline_and_indent (buffer, indent);
1594
1595       pp_string (buffer, "# PRED:");
1596       pp_write_text_to_stream (buffer);
1597       FOR_EACH_EDGE (e, ei, bb->preds)
1598         if (flags & TDF_SLIM)
1599           {
1600             pp_character (buffer, ' ');
1601             if (e->src == ENTRY_BLOCK_PTR)
1602               pp_string (buffer, "ENTRY");
1603             else
1604               pp_decimal_int (buffer, e->src->index);
1605           }
1606         else
1607           dump_edge_info (buffer->buffer->stream, e, 0);
1608       pp_newline (buffer);
1609     }
1610   else
1611     {
1612       stmt = first_stmt (bb);
1613       if (!stmt || gimple_code (stmt) != GIMPLE_LABEL)
1614         {
1615           INDENT (indent - 2);
1616           pp_string (buffer, "<bb ");
1617           pp_decimal_int (buffer, bb->index);
1618           pp_string (buffer, ">:");
1619           pp_newline (buffer);
1620         }
1621     }
1622   pp_write_text_to_stream (buffer);
1623   check_bb_profile (bb, buffer->buffer->stream);
1624 }
1625
1626
1627 /* Dumps end of basic block BB to buffer BUFFER indented by INDENT
1628    spaces.  */
1629
1630 static void
1631 dump_bb_end (pretty_printer *buffer, basic_block bb, int indent, int flags)
1632 {
1633   edge e;
1634   edge_iterator ei;
1635
1636   INDENT (indent);
1637   pp_string (buffer, "# SUCC:");
1638   pp_write_text_to_stream (buffer);
1639   FOR_EACH_EDGE (e, ei, bb->succs)
1640     if (flags & TDF_SLIM)
1641       {
1642         pp_character (buffer, ' ');
1643         if (e->dest == EXIT_BLOCK_PTR)
1644           pp_string (buffer, "EXIT");
1645         else
1646           pp_decimal_int (buffer, e->dest->index);
1647       }
1648     else
1649       dump_edge_info (buffer->buffer->stream, e, 1);
1650   pp_newline (buffer);
1651 }
1652
1653
1654 /* Dump PHI nodes of basic block BB to BUFFER with details described
1655    by FLAGS and indented by INDENT spaces.  */
1656
1657 static void
1658 dump_phi_nodes (pretty_printer *buffer, basic_block bb, int indent, int flags)
1659 {
1660   gimple_stmt_iterator i;
1661
1662   for (i = gsi_start_phis (bb); !gsi_end_p (i); gsi_next (&i))
1663     {
1664       gimple phi = gsi_stmt (i);
1665       if (is_gimple_reg (gimple_phi_result (phi)) || (flags & TDF_VOPS))
1666         {
1667           INDENT (indent);
1668           pp_string (buffer, "# ");
1669           dump_gimple_phi (buffer, phi, indent, flags);
1670           pp_newline (buffer);
1671         }
1672     }
1673 }
1674
1675
1676 /* Dump jump to basic block BB that is represented implicitly in the cfg
1677    to BUFFER.  */
1678
1679 static void
1680 pp_cfg_jump (pretty_printer *buffer, basic_block bb)
1681 {
1682   gimple stmt;
1683
1684   stmt = first_stmt (bb);
1685
1686   pp_string (buffer, "goto <bb ");
1687   pp_decimal_int (buffer, bb->index);
1688   pp_character (buffer, '>');
1689   if (stmt && gimple_code (stmt) == GIMPLE_LABEL)
1690     {
1691       pp_string (buffer, " (");
1692       dump_generic_node (buffer, gimple_label_label (stmt), 0, 0, false);
1693       pp_character (buffer, ')');
1694       pp_semicolon (buffer);
1695     }
1696   else
1697     pp_semicolon (buffer);
1698 }
1699
1700
1701 /* Dump edges represented implicitly in basic block BB to BUFFER, indented
1702    by INDENT spaces, with details given by FLAGS.  */
1703
1704 static void
1705 dump_implicit_edges (pretty_printer *buffer, basic_block bb, int indent,
1706                      int flags)
1707 {
1708   edge e;
1709   edge_iterator ei;
1710   gimple stmt;
1711
1712   stmt = last_stmt (bb);
1713
1714   if (stmt && gimple_code (stmt) == GIMPLE_COND)
1715     {
1716       edge true_edge, false_edge;
1717
1718       /* When we are emitting the code or changing CFG, it is possible that
1719          the edges are not yet created.  When we are using debug_bb in such
1720          a situation, we do not want it to crash.  */
1721       if (EDGE_COUNT (bb->succs) != 2)
1722         return;
1723       extract_true_false_edges_from_block (bb, &true_edge, &false_edge);
1724
1725       INDENT (indent + 2);
1726       pp_cfg_jump (buffer, true_edge->dest);
1727       newline_and_indent (buffer, indent);
1728       pp_string (buffer, "else");
1729       newline_and_indent (buffer, indent + 2);
1730       pp_cfg_jump (buffer, false_edge->dest);
1731       pp_newline (buffer);
1732       return;
1733     }
1734
1735   /* If there is a fallthru edge, we may need to add an artificial
1736      goto to the dump.  */
1737   FOR_EACH_EDGE (e, ei, bb->succs)
1738     if (e->flags & EDGE_FALLTHRU)
1739       break;
1740
1741   if (e && e->dest != bb->next_bb)
1742     {
1743       INDENT (indent);
1744
1745       if ((flags & TDF_LINENO)
1746           && e->goto_locus != UNKNOWN_LOCATION
1747           )
1748         {
1749           expanded_location goto_xloc;
1750           goto_xloc = expand_location (e->goto_locus);
1751           pp_character (buffer, '[');
1752           if (goto_xloc.file)
1753             {
1754               pp_string (buffer, goto_xloc.file);
1755               pp_string (buffer, " : ");
1756             }
1757           pp_decimal_int (buffer, goto_xloc.line);
1758           pp_string (buffer, " : ");
1759           pp_decimal_int (buffer, goto_xloc.column);
1760           pp_string (buffer, "] ");
1761         }
1762
1763       pp_cfg_jump (buffer, e->dest);
1764       pp_newline (buffer);
1765     }
1766 }
1767
1768
1769 /* Dumps basic block BB to buffer BUFFER with details described by FLAGS and
1770    indented by INDENT spaces.  */
1771
1772 static void
1773 gimple_dump_bb_buff (pretty_printer *buffer, basic_block bb, int indent,
1774                      int flags)
1775 {
1776   gimple_stmt_iterator gsi;
1777   gimple stmt;
1778   int label_indent = indent - 2;
1779
1780   if (label_indent < 0)
1781     label_indent = 0;
1782
1783   dump_bb_header (buffer, bb, indent, flags);
1784   dump_phi_nodes (buffer, bb, indent, flags);
1785
1786   for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
1787     {
1788       int curr_indent;
1789
1790       stmt = gsi_stmt (gsi);
1791
1792       curr_indent = gimple_code (stmt) == GIMPLE_LABEL ? label_indent : indent;
1793
1794       INDENT (curr_indent);
1795       dump_gimple_stmt (buffer, stmt, curr_indent, flags);
1796       pp_newline (buffer);
1797       dump_histograms_for_stmt (cfun, buffer->buffer->stream, stmt);
1798     }
1799
1800   dump_implicit_edges (buffer, bb, indent, flags);
1801
1802   if (flags & TDF_BLOCKS)
1803     dump_bb_end (buffer, bb, indent, flags);
1804 }
1805
1806
1807 /* Dumps basic block BB to FILE with details described by FLAGS and
1808    indented by INDENT spaces.  */
1809
1810 void
1811 gimple_dump_bb (basic_block bb, FILE *file, int indent, int flags)
1812 {
1813   maybe_init_pretty_print (file);
1814   gimple_dump_bb_buff (&buffer, bb, indent, flags);
1815   pp_flush (&buffer);
1816 }