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 ADDR_SPACE_CONVERT_EXPR:
 258     case FIX_TRUNC_EXPR:
 259     case FLOAT_EXPR:
 260     CASE_CONVERT:
 261       pp_character (buffer, '(');
 262       dump_generic_node (buffer, TREE_TYPE (lhs), spc, flags, false);
 263       pp_string (buffer, ") ");
 264       if (op_prio (rhs) < op_code_prio (rhs_code))
 265         {
 266           pp_character (buffer, '(');
 267           dump_generic_node (buffer, rhs, spc, flags, false);
 268           pp_character (buffer, ')');
 269         }
 270       else
 271         dump_generic_node (buffer, rhs, spc, flags, false);
 272       break;
 273
 274     case PAREN_EXPR:
 275       pp_string (buffer, "((");
 276       dump_generic_node (buffer, rhs, spc, flags, false);
 277       pp_string (buffer, "))");
 278       break;
 279
 280     case ABS_EXPR:
 281       pp_string (buffer, "ABS_EXPR <");
 282       dump_generic_node (buffer, rhs, spc, flags, false);
 283       pp_character (buffer, '>');
 284       break;
 285
 286     default:
 287       if (TREE_CODE_CLASS (rhs_code) == tcc_declaration
 288           || TREE_CODE_CLASS (rhs_code) == tcc_constant
 289           || TREE_CODE_CLASS (rhs_code) == tcc_reference
 290           || rhs_code == SSA_NAME
 291           || rhs_code == ADDR_EXPR
 292           || rhs_code == CONSTRUCTOR)
 293         {
 294           dump_generic_node (buffer, rhs, spc, flags, false);
 295           break;
 296         }
 297       else if (rhs_code == BIT_NOT_EXPR)
 298         pp_character (buffer, '~');
 299       else if (rhs_code == TRUTH_NOT_EXPR)
 300         pp_character (buffer, '!');
 301       else if (rhs_code == NEGATE_EXPR)
 302         pp_character (buffer, '-');
 303       else
 304         {
 305           pp_character (buffer, '[');
 306           pp_string (buffer, tree_code_name [rhs_code]);
 307           pp_string (buffer, "] ");
 308         }
 309
 310       if (op_prio (rhs) < op_code_prio (rhs_code))
 311         {
 312           pp_character (buffer, '(');
 313           dump_generic_node (buffer, rhs, spc, flags, false);
 314           pp_character (buffer, ')');
 315         }
 316       else
 317         dump_generic_node (buffer, rhs, spc, flags, false);
 318       break;
 319     }
 320 }
 321
 322
 323 /* Helper for dump_gimple_assign.  Print the binary RHS of the
 324    assignment GS.  BUFFER, SPC and FLAGS are as in dump_gimple_stmt.  */
 325
 326 static void
 327 dump_binary_rhs (pretty_printer *buffer, gimple gs, int spc, int flags)
 328 {
 329   const char *p;
 330   enum tree_code code = gimple_assign_rhs_code (gs);
 331   switch (code)
 332     {
 333     case COMPLEX_EXPR:
 334     case MIN_EXPR:
 335     case MAX_EXPR:
 336     case VEC_WIDEN_MULT_HI_EXPR:
 337     case VEC_WIDEN_MULT_LO_EXPR:
 338     case VEC_PACK_TRUNC_EXPR:
 339     case VEC_PACK_SAT_EXPR:
 340     case VEC_PACK_FIX_TRUNC_EXPR:
 341     case VEC_EXTRACT_EVEN_EXPR:
 342     case VEC_EXTRACT_ODD_EXPR:
 343     case VEC_INTERLEAVE_HIGH_EXPR:
 344     case VEC_INTERLEAVE_LOW_EXPR:
 345       for (p = tree_code_name [(int) code]; *p; p++)
 346         pp_character (buffer, TOUPPER (*p));
 347       pp_string (buffer, " <");
 348       dump_generic_node (buffer, gimple_assign_rhs1 (gs), spc, flags, false);
 349       pp_string (buffer, ", ");
 350       dump_generic_node (buffer, gimple_assign_rhs2 (gs), spc, flags, false);
 351       pp_character (buffer, '>');
 352       break;
 353
 354     default:
 355       if (op_prio (gimple_assign_rhs1 (gs)) <= op_code_prio (code))
 356         {
 357           pp_character (buffer, '(');
 358           dump_generic_node (buffer, gimple_assign_rhs1 (gs), spc, flags,
 359                              false);
 360           pp_character (buffer, ')');
 361         }
 362       else
 363         dump_generic_node (buffer, gimple_assign_rhs1 (gs), spc, flags, false);
 364       pp_space (buffer);
 365       pp_string (buffer, op_symbol_code (gimple_assign_rhs_code (gs)));
 366       pp_space (buffer);
 367       if (op_prio (gimple_assign_rhs2 (gs)) <= op_code_prio (code))
 368         {
 369           pp_character (buffer, '(');
 370           dump_generic_node (buffer, gimple_assign_rhs2 (gs), spc, flags,
 371                              false);
 372           pp_character (buffer, ')');
 373         }
 374       else
 375         dump_generic_node (buffer, gimple_assign_rhs2 (gs), spc, flags, false);
 376     }
 377 }
 378
 379
 380 /* Dump the gimple assignment GS.  BUFFER, SPC and FLAGS are as in
 381    dump_gimple_stmt.  */
 382
 383 static void
 384 dump_gimple_assign (pretty_printer *buffer, gimple gs, int spc, int flags)
 385 {
 386   if (flags & TDF_RAW)
 387     {
 388       tree last;
 389       if (gimple_num_ops (gs) == 2)
 390         last = NULL_TREE;
 391       else if (gimple_num_ops (gs) == 3)
 392         last = gimple_assign_rhs2 (gs);
 393       else
 394         gcc_unreachable ();
 395
 396       dump_gimple_fmt (buffer, spc, flags, "%G <%s, %T, %T, %T>", gs,
 397                        tree_code_name[gimple_assign_rhs_code (gs)],
 398                        gimple_assign_lhs (gs), gimple_assign_rhs1 (gs), last);
 399     }
 400   else
 401     {
 402       if (!(flags & TDF_RHS_ONLY))
 403         {
 404           dump_generic_node (buffer, gimple_assign_lhs (gs), spc, flags, false);
 405           pp_space (buffer);
 406           pp_character (buffer, '=');
 407
 408           if (gimple_assign_nontemporal_move_p (gs))
 409             pp_string (buffer, "{nt}");
 410
 411           if (gimple_has_volatile_ops (gs))
 412             pp_string (buffer, "{v}");
 413
 414           pp_space (buffer);
 415         }
 416
 417       if (gimple_num_ops (gs) == 2)
 418         dump_unary_rhs (buffer, gs, spc, flags);
 419       else if (gimple_num_ops (gs) == 3)
 420         dump_binary_rhs (buffer, gs, spc, flags);
 421       else
 422         gcc_unreachable ();
 423       if (!(flags & TDF_RHS_ONLY))
 424         pp_semicolon(buffer);
 425     }
 426 }
 427
 428
 429 /* Dump the return statement GS.  BUFFER, SPC and FLAGS are as in
 430    dump_gimple_stmt.  */
 431
 432 static void
 433 dump_gimple_return (pretty_printer *buffer, gimple gs, int spc, int flags)
 434 {
 435   tree t;
 436
 437   t = gimple_return_retval (gs);
 438   if (flags & TDF_RAW)
 439     dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs, t);
 440   else
 441     {
 442       pp_string (buffer, "return");
 443       if (t)
 444         {
 445           pp_space (buffer);
 446           dump_generic_node (buffer, t, spc, flags, false);
 447         }
 448       pp_semicolon (buffer);
 449     }
 450 }
 451
 452
 453 /* Dump the call arguments for a gimple call. BUFFER, FLAGS are as in
 454    dump_gimple_call.  */
 455
 456 static void
 457 dump_gimple_call_args (pretty_printer *buffer, gimple gs, int flags)
 458 {
 459   size_t i;
 460
 461   for (i = 0; i < gimple_call_num_args (gs); i++)
 462     {
 463       dump_generic_node (buffer, gimple_call_arg (gs, i), 0, flags, false);
 464       if (i < gimple_call_num_args (gs) - 1)
 465         pp_string (buffer, ", ");
 466     }
 467
 468   if (gimple_call_va_arg_pack_p (gs))
 469     {
 470       if (gimple_call_num_args (gs) > 0)
 471         {
 472           pp_character (buffer, ',');
 473           pp_space (buffer);
 474         }
 475
 476       pp_string (buffer, "__builtin_va_arg_pack ()");
 477     }
 478 }
 479
 480
 481 /* Dump the call statement GS.  BUFFER, SPC and FLAGS are as in
 482    dump_gimple_stmt.  */
 483
 484 static void
 485 dump_gimple_call (pretty_printer *buffer, gimple gs, int spc, int flags)
 486 {
 487   tree lhs = gimple_call_lhs (gs);
 488
 489   if (flags & TDF_RAW)
 490     {
 491       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T",
 492                      gs, gimple_call_fn (gs), lhs);
 493       if (gimple_call_num_args (gs) > 0)
 494         {
 495           pp_string (buffer, ", ");
 496           dump_gimple_call_args (buffer, gs, flags);
 497         }
 498       pp_character (buffer, '>');
 499     }
 500   else
 501     {
 502       if (lhs && !(flags & TDF_RHS_ONLY))
 503         {
 504           dump_generic_node (buffer, lhs, spc, flags, false);
 505           pp_string (buffer, " =");
 506
 507           if (gimple_has_volatile_ops (gs))
 508             pp_string (buffer, "{v}");
 509
 510           pp_space (buffer);
 511         }
 512       print_call_name (buffer, gimple_call_fn (gs), flags);
 513       pp_string (buffer, " (");
 514       dump_gimple_call_args (buffer, gs, flags);
 515       pp_character (buffer, ')');
 516       if (!(flags & TDF_RHS_ONLY))
 517         pp_semicolon (buffer);
 518     }
 519
 520   if (gimple_call_chain (gs))
 521     {
 522       pp_string (buffer, " [static-chain: ");
 523       dump_generic_node (buffer, gimple_call_chain (gs), spc, flags, false);
 524       pp_character (buffer, ']');
 525     }
 526
 527   if (gimple_call_return_slot_opt_p (gs))
 528     pp_string (buffer, " [return slot optimization]");
 529
 530   if (gimple_call_tail_p (gs))
 531     pp_string (buffer, " [tail call]");
 532 }
 533
 534
 535 /* Dump the switch statement GS.  BUFFER, SPC and FLAGS are as in
 536    dump_gimple_stmt.  */
 537
 538 static void
 539 dump_gimple_switch (pretty_printer *buffer, gimple gs, int spc, int flags)
 540 {
 541   unsigned int i;
 542
 543   GIMPLE_CHECK (gs, GIMPLE_SWITCH);
 544   if (flags & TDF_RAW)
 545     dump_gimple_fmt (buffer, spc, flags, "%G <%T, ", gs,
 546                    gimple_switch_index (gs));
 547   else
 548     {
 549       pp_string (buffer, "switch (");
 550       dump_generic_node (buffer, gimple_switch_index (gs), spc, flags, true);
 551       pp_string (buffer, ") <");
 552     }
 553
 554   for (i = 0; i < gimple_switch_num_labels (gs); i++)
 555     {
 556       tree case_label = gimple_switch_label (gs, i);
 557       if (case_label == NULL_TREE)
 558         continue;
 559
 560       dump_generic_node (buffer, case_label, spc, flags, false);
 561       pp_character (buffer, ' ');
 562       dump_generic_node (buffer, CASE_LABEL (case_label), spc, flags, false);
 563       if (i < gimple_switch_num_labels (gs) - 1)
 564         pp_string (buffer, ", ");
 565     }
 566   pp_character (buffer, '>');
 567 }
 568
 569
 570 /* Dump the gimple conditional GS.  BUFFER, SPC and FLAGS are as in
 571    dump_gimple_stmt.  */
 572
 573 static void
 574 dump_gimple_cond (pretty_printer *buffer, gimple gs, int spc, int flags)
 575 {
 576   if (flags & TDF_RAW)
 577     dump_gimple_fmt (buffer, spc, flags, "%G <%s, %T, %T, %T, %T>", gs,
 578                    tree_code_name [gimple_cond_code (gs)],
 579                    gimple_cond_lhs (gs), gimple_cond_rhs (gs),
 580                    gimple_cond_true_label (gs), gimple_cond_false_label (gs));
 581   else
 582     {
 583       if (!(flags & TDF_RHS_ONLY))
 584         pp_string (buffer, "if (");
 585       dump_generic_node (buffer, gimple_cond_lhs (gs), spc, flags, false);
 586       pp_space (buffer);
 587       pp_string (buffer, op_symbol_code (gimple_cond_code (gs)));
 588       pp_space (buffer);
 589       dump_generic_node (buffer, gimple_cond_rhs (gs), spc, flags, false);
 590       if (!(flags & TDF_RHS_ONLY))
 591         {
 592           pp_character (buffer, ')');
 593
 594           if (gimple_cond_true_label (gs))
 595             {
 596               pp_string (buffer, " goto ");
 597               dump_generic_node (buffer, gimple_cond_true_label (gs),
 598                                  spc, flags, false);
 599               pp_semicolon (buffer);
 600             }
 601           if (gimple_cond_false_label (gs))
 602             {
 603               pp_string (buffer, " else goto ");
 604               dump_generic_node (buffer, gimple_cond_false_label (gs),
 605                                  spc, flags, false);
 606               pp_semicolon (buffer);
 607             }
 608         }
 609     }
 610 }
 611
 612
 613 /* Dump a GIMPLE_LABEL tuple on the pretty_printer BUFFER, SPC
 614    spaces of indent.  FLAGS specifies details to show in the dump (see
 615    TDF_* in tree-pass.h).  */
 616
 617 static void
 618 dump_gimple_label (pretty_printer *buffer, gimple gs, int spc, int flags)
 619 {
 620   tree label = gimple_label_label (gs);
 621   if (flags & TDF_RAW)
 622       dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs, label);
 623   else
 624     {
 625       dump_generic_node (buffer, label, spc, flags, false);
 626       pp_character (buffer, ':');
 627     }
 628   if (DECL_NONLOCAL (label))
 629     pp_string (buffer, " [non-local]");
 630   if ((flags & TDF_EH) && EH_LANDING_PAD_NR (label))
 631     pp_printf (buffer, " [LP %d]", EH_LANDING_PAD_NR (label));
 632 }
 633
 634 /* Dump a GIMPLE_GOTO tuple on the pretty_printer BUFFER, SPC
 635    spaces of indent.  FLAGS specifies details to show in the dump (see
 636    TDF_* in tree-pass.h).  */
 637
 638 static void
 639 dump_gimple_goto (pretty_printer *buffer, gimple gs, int spc, int flags)
 640 {
 641   tree label = gimple_goto_dest (gs);
 642   if (flags & TDF_RAW)
 643     dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs, label);
 644   else
 645     dump_gimple_fmt (buffer, spc, flags, "goto %T;", label);
 646 }
 647
 648
 649 /* Dump a GIMPLE_BIND tuple on the pretty_printer BUFFER, SPC
 650    spaces of indent.  FLAGS specifies details to show in the dump (see
 651    TDF_* in tree-pass.h).  */
 652
 653 static void
 654 dump_gimple_bind (pretty_printer *buffer, gimple gs, int spc, int flags)
 655 {
 656   if (flags & TDF_RAW)
 657     dump_gimple_fmt (buffer, spc, flags, "%G <", gs);
 658   else
 659     pp_character (buffer, '{');
 660   if (!(flags & TDF_SLIM))
 661     {
 662       tree var;
 663
 664       for (var = gimple_bind_vars (gs); var; var = TREE_CHAIN (var))
 665         {
 666           newline_and_indent (buffer, 2);
 667           print_declaration (buffer, var, spc, flags);
 668         }
 669       if (gimple_bind_vars (gs))
 670         pp_newline (buffer);
 671     }
 672   pp_newline (buffer);
 673   dump_gimple_seq (buffer, gimple_bind_body (gs), spc + 2, flags);
 674   newline_and_indent (buffer, spc);
 675   if (flags & TDF_RAW)
 676     pp_character (buffer, '>');
 677   else
 678     pp_character (buffer, '}');
 679 }
 680
 681
 682 /* Dump a GIMPLE_TRY tuple on the pretty_printer BUFFER, SPC spaces of
 683    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 684    tree-pass.h).  */
 685
 686 static void
 687 dump_gimple_try (pretty_printer *buffer, gimple gs, int spc, int flags)
 688 {
 689   if (flags & TDF_RAW)
 690     {
 691       const char *type;
 692       if (gimple_try_kind (gs) == GIMPLE_TRY_CATCH)
 693         type = "GIMPLE_TRY_CATCH";
 694       else if (gimple_try_kind (gs) == GIMPLE_TRY_FINALLY)
 695         type = "GIMPLE_TRY_FINALLY";
 696       else
 697         type = "UNKNOWN GIMPLE_TRY";
 698       dump_gimple_fmt (buffer, spc, flags,
 699                        "%G <%s,%+EVAL <%S>%nCLEANUP <%S>%->", gs, type,
 700                        gimple_try_eval (gs), gimple_try_cleanup (gs));
 701     }
 702   else
 703     {
 704       pp_string (buffer, "try");
 705       newline_and_indent (buffer, spc + 2);
 706       pp_character (buffer, '{');
 707       pp_newline (buffer);
 708
 709       dump_gimple_seq (buffer, gimple_try_eval (gs), spc + 4, flags);
 710       newline_and_indent (buffer, spc + 2);
 711       pp_character (buffer, '}');
 712
 713       if (gimple_try_kind (gs) == GIMPLE_TRY_CATCH)
 714         {
 715           newline_and_indent (buffer, spc);
 716           pp_string (buffer, "catch");
 717           newline_and_indent (buffer, spc + 2);
 718           pp_character (buffer, '{');
 719         }
 720       else if (gimple_try_kind (gs) == GIMPLE_TRY_FINALLY)
 721         {
 722           newline_and_indent (buffer, spc);
 723           pp_string (buffer, "finally");
 724           newline_and_indent (buffer, spc + 2);
 725           pp_character (buffer, '{');
 726         }
 727       else
 728         pp_string (buffer, " <UNKNOWN GIMPLE_TRY> {");
 729
 730       pp_newline (buffer);
 731       dump_gimple_seq (buffer, gimple_try_cleanup (gs), spc + 4, flags);
 732       newline_and_indent (buffer, spc + 2);
 733       pp_character (buffer, '}');
 734     }
 735 }
 736
 737
 738 /* Dump a GIMPLE_CATCH tuple on the pretty_printer BUFFER, SPC spaces of
 739    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 740    tree-pass.h).  */
 741
 742 static void
 743 dump_gimple_catch (pretty_printer *buffer, gimple gs, int spc, int flags)
 744 {
 745   if (flags & TDF_RAW)
 746       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %+CATCH <%S>%->", gs,
 747                        gimple_catch_types (gs), gimple_catch_handler (gs));
 748   else
 749       dump_gimple_fmt (buffer, spc, flags, "catch (%T)%+{%S}",
 750                        gimple_catch_types (gs), gimple_catch_handler (gs));
 751 }
 752
 753
 754 /* Dump a GIMPLE_EH_FILTER tuple on the pretty_printer BUFFER, SPC spaces of
 755    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 756    tree-pass.h).  */
 757
 758 static void
 759 dump_gimple_eh_filter (pretty_printer *buffer, gimple gs, int spc, int flags)
 760 {
 761   if (flags & TDF_RAW)
 762     dump_gimple_fmt (buffer, spc, flags, "%G <%T, %+FAILURE <%S>%->", gs,
 763                      gimple_eh_filter_types (gs),
 764                      gimple_eh_filter_failure (gs));
 765   else
 766     dump_gimple_fmt (buffer, spc, flags, "<<<eh_filter (%T)>>>%+{%+%S%-}",
 767                      gimple_eh_filter_types (gs),
 768                      gimple_eh_filter_failure (gs));
 769 }
 770
 771
 772 /* Dump a GIMPLE_EH_MUST_NOT_THROW tuple.  */
 773
 774 static void
 775 dump_gimple_eh_must_not_throw (pretty_printer *buffer, gimple gs,
 776                                int spc, int flags)
 777 {
 778   if (flags & TDF_RAW)
 779     dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs,
 780                      gimple_eh_must_not_throw_fndecl (gs));
 781   else
 782     dump_gimple_fmt (buffer, spc, flags, "<<<eh_must_not_throw (%T)>>>",
 783                      gimple_eh_must_not_throw_fndecl (gs));
 784 }
 785
 786
 787 /* Dump a GIMPLE_RESX tuple on the pretty_printer BUFFER, SPC spaces of
 788    indent.  FLAGS specifies details to show in the dump (see TDF_* in
 789    tree-pass.h).  */
 790
 791 static void
 792 dump_gimple_resx (pretty_printer *buffer, gimple gs, int spc, int flags)
 793 {
 794   if (flags & TDF_RAW)
 795     dump_gimple_fmt (buffer, spc, flags, "%G <%d>", gs,
 796                      gimple_resx_region (gs));
 797   else
 798     dump_gimple_fmt (buffer, spc, flags, "resx %d", gimple_resx_region (gs));
 799 }
 800
 801 /* Dump a GIMPLE_EH_DISPATCH tuple on the pretty_printer BUFFER.  */
 802
 803 static void
 804 dump_gimple_eh_dispatch (pretty_printer *buffer, gimple gs, int spc, int flags)
 805 {
 806   if (flags & TDF_RAW)
 807     dump_gimple_fmt (buffer, spc, flags, "%G <%d>", gs,
 808                      gimple_eh_dispatch_region (gs));
 809   else
 810     dump_gimple_fmt (buffer, spc, flags, "eh_dispatch %d",
 811                      gimple_eh_dispatch_region (gs));
 812 }
 813
 814 /* Dump a GIMPLE_DEBUG tuple on the pretty_printer BUFFER, SPC spaces
 815    of indent.  FLAGS specifies details to show in the dump (see TDF_*
 816    in tree-pass.h).  */
 817
 818 static void
 819 dump_gimple_debug (pretty_printer *buffer, gimple gs, int spc, int flags)
 820 {
 821   switch (gs->gsbase.subcode)
 822     {
 823     case GIMPLE_DEBUG_BIND:
 824       if (flags & TDF_RAW)
 825         dump_gimple_fmt (buffer, spc, flags, "%G BIND <%T, %T>", gs,
 826                          gimple_debug_bind_get_var (gs),
 827                          gimple_debug_bind_get_value (gs));
 828       else
 829         dump_gimple_fmt (buffer, spc, flags, "# DEBUG %T => %T",
 830                          gimple_debug_bind_get_var (gs),
 831                          gimple_debug_bind_get_value (gs));
 832       break;
 833
 834     default:
 835       gcc_unreachable ();
 836     }
 837 }
 838
 839 /* Dump a GIMPLE_OMP_FOR tuple on the pretty_printer BUFFER.  */
 840 static void
 841 dump_gimple_omp_for (pretty_printer *buffer, gimple gs, int spc, int flags)
 842 {
 843   size_t i;
 844
 845   if (flags & TDF_RAW)
 846     {
 847       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
 848                        gimple_omp_body (gs));
 849       dump_omp_clauses (buffer, gimple_omp_for_clauses (gs), spc, flags);
 850       dump_gimple_fmt (buffer, spc, flags, " >,");
 851       for (i = 0; i < gimple_omp_for_collapse (gs); i++)
 852         dump_gimple_fmt (buffer, spc, flags,
 853                          "%+%T, %T, %T, %s, %T,%n",
 854                          gimple_omp_for_index (gs, i),
 855                          gimple_omp_for_initial (gs, i),
 856                          gimple_omp_for_final (gs, i),
 857                          tree_code_name[gimple_omp_for_cond (gs, i)],
 858                          gimple_omp_for_incr (gs, i));
 859       dump_gimple_fmt (buffer, spc, flags, "PRE_BODY <%S>%->",
 860                        gimple_omp_for_pre_body (gs));
 861     }
 862   else
 863     {
 864       pp_string (buffer, "#pragma omp for");
 865       dump_omp_clauses (buffer, gimple_omp_for_clauses (gs), spc, flags);
 866       for (i = 0; i < gimple_omp_for_collapse (gs); i++)
 867         {
 868           if (i)
 869             spc += 2;
 870           newline_and_indent (buffer, spc);
 871           pp_string (buffer, "for (");
 872           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
 873                              flags, false);
 874           pp_string (buffer, " = ");
 875           dump_generic_node (buffer, gimple_omp_for_initial (gs, i), spc,
 876                              flags, false);
 877           pp_string (buffer, "; ");
 878
 879           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
 880                              flags, false);
 881           pp_space (buffer);
 882           switch (gimple_omp_for_cond (gs, i))
 883             {
 884             case LT_EXPR:
 885               pp_character (buffer, '<');
 886               break;
 887             case GT_EXPR:
 888               pp_character (buffer, '>');
 889               break;
 890             case LE_EXPR:
 891               pp_string (buffer, "<=");
 892               break;
 893             case GE_EXPR:
 894               pp_string (buffer, ">=");
 895               break;
 896             default:
 897               gcc_unreachable ();
 898             }
 899           pp_space (buffer);
 900           dump_generic_node (buffer, gimple_omp_for_final (gs, i), spc,
 901                              flags, false);
 902           pp_string (buffer, "; ");
 903
 904           dump_generic_node (buffer, gimple_omp_for_index (gs, i), spc,
 905                              flags, false);
 906           pp_string (buffer, " = ");
 907           dump_generic_node (buffer, gimple_omp_for_incr (gs, i), spc,
 908                              flags, false);
 909           pp_character (buffer, ')');
 910         }
 911
 912       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
 913         {
 914           newline_and_indent (buffer, spc + 2);
 915           pp_character (buffer, '{');
 916           pp_newline (buffer);
 917           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
 918           newline_and_indent (buffer, spc + 2);
 919           pp_character (buffer, '}');
 920         }
 921     }
 922 }
 923
 924 /* Dump a GIMPLE_OMP_CONTINUE tuple on the pretty_printer BUFFER.  */
 925
 926 static void
 927 dump_gimple_omp_continue (pretty_printer *buffer, gimple gs, int spc, int flags)
 928 {
 929   if (flags & TDF_RAW)
 930     {
 931       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T>", gs,
 932                        gimple_omp_continue_control_def (gs),
 933                        gimple_omp_continue_control_use (gs));
 934     }
 935   else
 936     {
 937       pp_string (buffer, "#pragma omp continue (");
 938       dump_generic_node (buffer, gimple_omp_continue_control_def (gs),
 939                          spc, flags, false);
 940       pp_character (buffer, ',');
 941       pp_space (buffer);
 942       dump_generic_node (buffer, gimple_omp_continue_control_use (gs),
 943                          spc, flags, false);
 944       pp_character (buffer, ')');
 945     }
 946 }
 947
 948 /* Dump a GIMPLE_OMP_SINGLE tuple on the pretty_printer BUFFER.  */
 949
 950 static void
 951 dump_gimple_omp_single (pretty_printer *buffer, gimple gs, int spc, int flags)
 952 {
 953   if (flags & TDF_RAW)
 954     {
 955       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
 956                        gimple_omp_body (gs));
 957       dump_omp_clauses (buffer, gimple_omp_single_clauses (gs), spc, flags);
 958       dump_gimple_fmt (buffer, spc, flags, " >");
 959     }
 960   else
 961     {
 962       pp_string (buffer, "#pragma omp single");
 963       dump_omp_clauses (buffer, gimple_omp_single_clauses (gs), spc, flags);
 964       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
 965         {
 966           newline_and_indent (buffer, spc + 2);
 967           pp_character (buffer, '{');
 968           pp_newline (buffer);
 969           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
 970           newline_and_indent (buffer, spc + 2);
 971           pp_character (buffer, '}');
 972         }
 973     }
 974 }
 975
 976 /* Dump a GIMPLE_OMP_SECTIONS tuple on the pretty_printer BUFFER.  */
 977
 978 static void
 979 dump_gimple_omp_sections (pretty_printer *buffer, gimple gs, int spc,
 980                           int flags)
 981 {
 982   if (flags & TDF_RAW)
 983     {
 984       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
 985                        gimple_omp_body (gs));
 986       dump_omp_clauses (buffer, gimple_omp_sections_clauses (gs), spc, flags);
 987       dump_gimple_fmt (buffer, spc, flags, " >");
 988     }
 989   else
 990     {
 991       pp_string (buffer, "#pragma omp sections");
 992       if (gimple_omp_sections_control (gs))
 993         {
 994           pp_string (buffer, " <");
 995           dump_generic_node (buffer, gimple_omp_sections_control (gs), spc,
 996                              flags, false);
 997           pp_character (buffer, '>');
 998         }
 999       dump_omp_clauses (buffer, gimple_omp_sections_clauses (gs), spc, flags);
1000       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1001         {
1002           newline_and_indent (buffer, spc + 2);
1003           pp_character (buffer, '{');
1004           pp_newline (buffer);
1005           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1006           newline_and_indent (buffer, spc + 2);
1007           pp_character (buffer, '}');
1008         }
1009     }
1010 }
1011
1012 /* Dump a GIMPLE_OMP_{MASTER,ORDERED,SECTION} tuple on the pretty_printer
1013    BUFFER.  */
1014
1015 static void
1016 dump_gimple_omp_block (pretty_printer *buffer, gimple gs, int spc, int flags)
1017 {
1018   if (flags & TDF_RAW)
1019     dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S> >", gs,
1020                      gimple_omp_body (gs));
1021   else
1022     {
1023       switch (gimple_code (gs))
1024         {
1025         case GIMPLE_OMP_MASTER:
1026           pp_string (buffer, "#pragma omp master");
1027           break;
1028         case GIMPLE_OMP_ORDERED:
1029           pp_string (buffer, "#pragma omp ordered");
1030           break;
1031         case GIMPLE_OMP_SECTION:
1032           pp_string (buffer, "#pragma omp section");
1033           break;
1034         default:
1035           gcc_unreachable ();
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_CRITICAL tuple on the pretty_printer BUFFER.  */
1050
1051 static void
1052 dump_gimple_omp_critical (pretty_printer *buffer, gimple gs, int spc,
1053                           int flags)
1054 {
1055   if (flags & TDF_RAW)
1056     dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S> >", gs,
1057                      gimple_omp_body (gs));
1058   else
1059     {
1060       pp_string (buffer, "#pragma omp critical");
1061       if (gimple_omp_critical_name (gs))
1062         {
1063           pp_string (buffer, " (");
1064           dump_generic_node (buffer, gimple_omp_critical_name (gs), spc,
1065                              flags, false);
1066           pp_character (buffer, ')');
1067         }
1068       if (!gimple_seq_empty_p (gimple_omp_body (gs)))
1069         {
1070           newline_and_indent (buffer, spc + 2);
1071           pp_character (buffer, '{');
1072           pp_newline (buffer);
1073           dump_gimple_seq (buffer, gimple_omp_body (gs), spc + 4, flags);
1074           newline_and_indent (buffer, spc + 2);
1075           pp_character (buffer, '}');
1076         }
1077     }
1078 }
1079
1080 /* Dump a GIMPLE_OMP_RETURN tuple on the pretty_printer BUFFER.  */
1081
1082 static void
1083 dump_gimple_omp_return (pretty_printer *buffer, gimple gs, int spc, int flags)
1084 {
1085   if (flags & TDF_RAW)
1086     {
1087       dump_gimple_fmt (buffer, spc, flags, "%G <nowait=%d>", gs,
1088                        (int) gimple_omp_return_nowait_p (gs));
1089     }
1090   else
1091     {
1092       pp_string (buffer, "#pragma omp return");
1093       if (gimple_omp_return_nowait_p (gs))
1094         pp_string (buffer, "(nowait)");
1095     }
1096 }
1097
1098 /* Dump a GIMPLE_ASM tuple on the pretty_printer BUFFER, SPC spaces of
1099    indent.  FLAGS specifies details to show in the dump (see TDF_* in
1100    tree-pass.h).  */
1101
1102 static void
1103 dump_gimple_asm (pretty_printer *buffer, gimple gs, int spc, int flags)
1104 {
1105   unsigned int i, n, f, fields;
1106
1107   if (flags & TDF_RAW)
1108     {
1109       dump_gimple_fmt (buffer, spc, flags, "%G <%+STRING <%n%s%n>", gs,
1110                        gimple_asm_string (gs));
1111
1112       n = gimple_asm_noutputs (gs);
1113       if (n)
1114         {
1115           newline_and_indent (buffer, spc + 2);
1116           pp_string (buffer, "OUTPUT: ");
1117           for (i = 0; i < n; i++)
1118             {
1119               dump_generic_node (buffer, gimple_asm_output_op (gs, i),
1120                                  spc, flags, false);
1121               if (i < n - 1)
1122                 pp_string (buffer, ", ");
1123             }
1124         }
1125
1126       n = gimple_asm_ninputs (gs);
1127       if (n)
1128         {
1129           newline_and_indent (buffer, spc + 2);
1130           pp_string (buffer, "INPUT: ");
1131           for (i = 0; i < n; i++)
1132             {
1133               dump_generic_node (buffer, gimple_asm_input_op (gs, i),
1134                                  spc, flags, false);
1135               if (i < n - 1)
1136                 pp_string (buffer, ", ");
1137             }
1138         }
1139
1140       n = gimple_asm_nclobbers (gs);
1141       if (n)
1142         {
1143           newline_and_indent (buffer, spc + 2);
1144           pp_string (buffer, "CLOBBER: ");
1145           for (i = 0; i < n; i++)
1146             {
1147               dump_generic_node (buffer, gimple_asm_clobber_op (gs, i),
1148                                  spc, flags, false);
1149               if (i < n - 1)
1150                 pp_string (buffer, ", ");
1151             }
1152         }
1153
1154       n = gimple_asm_nlabels (gs);
1155       if (n)
1156         {
1157           newline_and_indent (buffer, spc + 2);
1158           pp_string (buffer, "LABEL: ");
1159           for (i = 0; i < n; i++)
1160             {
1161               dump_generic_node (buffer, gimple_asm_label_op (gs, i),
1162                                  spc, flags, false);
1163               if (i < n - 1)
1164                 pp_string (buffer, ", ");
1165             }
1166         }
1167
1168       newline_and_indent (buffer, spc);
1169       pp_character (buffer, '>');
1170     }
1171   else
1172     {
1173       pp_string (buffer, "__asm__");
1174       if (gimple_asm_volatile_p (gs))
1175         pp_string (buffer, " __volatile__");
1176       if (gimple_asm_nlabels (gs))
1177         pp_string (buffer, " goto");
1178       pp_string (buffer, "(\"");
1179       pp_string (buffer, gimple_asm_string (gs));
1180       pp_string (buffer, "\"");
1181
1182       if (gimple_asm_nlabels (gs))
1183         fields = 4;
1184       else if (gimple_asm_nclobbers (gs))
1185         fields = 3;
1186       else if (gimple_asm_ninputs (gs))
1187         fields = 2;
1188       else if (gimple_asm_noutputs (gs))
1189         fields = 1;
1190       else
1191         fields = 0;
1192
1193       for (f = 0; f < fields; ++f)
1194         {
1195           pp_string (buffer, " : ");
1196
1197           switch (f)
1198             {
1199             case 0:
1200               n = gimple_asm_noutputs (gs);
1201               for (i = 0; i < n; i++)
1202                 {
1203                   dump_generic_node (buffer, gimple_asm_output_op (gs, i),
1204                                      spc, flags, false);
1205                   if (i < n - 1)
1206                     pp_string (buffer, ", ");
1207                 }
1208               break;
1209
1210             case 1:
1211               n = gimple_asm_ninputs (gs);
1212               for (i = 0; i < n; i++)
1213                 {
1214                   dump_generic_node (buffer, gimple_asm_input_op (gs, i),
1215                                      spc, flags, false);
1216                   if (i < n - 1)
1217                     pp_string (buffer, ", ");
1218                 }
1219               break;
1220
1221             case 2:
1222               n = gimple_asm_nclobbers (gs);
1223               for (i = 0; i < n; i++)
1224                 {
1225                   dump_generic_node (buffer, gimple_asm_clobber_op (gs, i),
1226                                      spc, flags, false);
1227                   if (i < n - 1)
1228                     pp_string (buffer, ", ");
1229                 }
1230               break;
1231
1232             case 3:
1233               n = gimple_asm_nlabels (gs);
1234               for (i = 0; i < n; i++)
1235                 {
1236                   dump_generic_node (buffer, gimple_asm_label_op (gs, i),
1237                                      spc, flags, false);
1238                   if (i < n - 1)
1239                     pp_string (buffer, ", ");
1240                 }
1241               break;
1242
1243             default:
1244               gcc_unreachable ();
1245             }
1246         }
1247
1248       pp_string (buffer, ");");
1249     }
1250 }
1251
1252
1253 /* Dump a PHI node PHI.  BUFFER, SPC and FLAGS are as in
1254    dump_gimple_stmt.  */
1255
1256 static void
1257 dump_gimple_phi (pretty_printer *buffer, gimple phi, int spc, int flags)
1258 {
1259   size_t i;
1260
1261   if (flags & TDF_RAW)
1262       dump_gimple_fmt (buffer, spc, flags, "%G <%T, ", phi,
1263                        gimple_phi_result (phi));
1264   else
1265     {
1266       dump_generic_node (buffer, gimple_phi_result (phi), spc, flags, false);
1267       pp_string (buffer, " = PHI <");
1268     }
1269   for (i = 0; i < gimple_phi_num_args (phi); i++)
1270     {
1271       if ((flags & TDF_LINENO) && gimple_phi_arg_has_location (phi, i))
1272         {
1273           expanded_location xloc;
1274
1275           xloc = expand_location (gimple_phi_arg_location (phi, i));
1276           pp_character (buffer, '[');
1277           if (xloc.file)
1278             {
1279               pp_string (buffer, xloc.file);
1280               pp_string (buffer, " : ");
1281             }
1282           pp_decimal_int (buffer, xloc.line);
1283           pp_string (buffer, ":");
1284           pp_decimal_int (buffer, xloc.column);
1285           pp_string (buffer, "] ");
1286         }
1287       dump_generic_node (buffer, gimple_phi_arg_def (phi, i), spc, flags,
1288                          false);
1289       pp_character (buffer, '(');
1290       pp_decimal_int (buffer, gimple_phi_arg_edge (phi, i)->src->index);
1291       pp_character (buffer, ')');
1292       if (i < gimple_phi_num_args (phi) - 1)
1293         pp_string (buffer, ", ");
1294     }
1295   pp_character (buffer, '>');
1296 }
1297
1298
1299 /* Dump a GIMPLE_OMP_PARALLEL tuple on the pretty_printer BUFFER, SPC spaces
1300    of indent.  FLAGS specifies details to show in the dump (see TDF_* in
1301    tree-pass.h).  */
1302
1303 static void
1304 dump_gimple_omp_parallel (pretty_printer *buffer, gimple gs, int spc,
1305                           int flags)
1306 {
1307   if (flags & TDF_RAW)
1308     {
1309       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1310                        gimple_omp_body (gs));
1311       dump_omp_clauses (buffer, gimple_omp_parallel_clauses (gs), spc, flags);
1312       dump_gimple_fmt (buffer, spc, flags, " >, %T, %T%n>",
1313                        gimple_omp_parallel_child_fn (gs),
1314                        gimple_omp_parallel_data_arg (gs));
1315     }
1316   else
1317     {
1318       gimple_seq body;
1319       pp_string (buffer, "#pragma omp parallel");
1320       dump_omp_clauses (buffer, gimple_omp_parallel_clauses (gs), spc, flags);
1321       if (gimple_omp_parallel_child_fn (gs))
1322         {
1323           pp_string (buffer, " [child fn: ");
1324           dump_generic_node (buffer, gimple_omp_parallel_child_fn (gs),
1325                              spc, flags, false);
1326           pp_string (buffer, " (");
1327           if (gimple_omp_parallel_data_arg (gs))
1328             dump_generic_node (buffer, gimple_omp_parallel_data_arg (gs),
1329                                spc, flags, false);
1330           else
1331             pp_string (buffer, "???");
1332           pp_string (buffer, ")]");
1333         }
1334       body = gimple_omp_body (gs);
1335       if (body && gimple_code (gimple_seq_first_stmt (body)) != GIMPLE_BIND)
1336         {
1337           newline_and_indent (buffer, spc + 2);
1338           pp_character (buffer, '{');
1339           pp_newline (buffer);
1340           dump_gimple_seq (buffer, body, spc + 4, flags);
1341           newline_and_indent (buffer, spc + 2);
1342           pp_character (buffer, '}');
1343         }
1344       else if (body)
1345         {
1346           pp_newline (buffer);
1347           dump_gimple_seq (buffer, body, spc + 2, flags);
1348         }
1349     }
1350 }
1351
1352
1353 /* Dump a GIMPLE_OMP_TASK tuple on the pretty_printer BUFFER, SPC spaces
1354    of indent.  FLAGS specifies details to show in the dump (see TDF_* in
1355    tree-pass.h).  */
1356
1357 static void
1358 dump_gimple_omp_task (pretty_printer *buffer, gimple gs, int spc,
1359                       int flags)
1360 {
1361   if (flags & TDF_RAW)
1362     {
1363       dump_gimple_fmt (buffer, spc, flags, "%G <%+BODY <%S>%nCLAUSES <", gs,
1364                        gimple_omp_body (gs));
1365       dump_omp_clauses (buffer, gimple_omp_task_clauses (gs), spc, flags);
1366       dump_gimple_fmt (buffer, spc, flags, " >, %T, %T, %T, %T, %T%n>",
1367                        gimple_omp_task_child_fn (gs),
1368                        gimple_omp_task_data_arg (gs),
1369                        gimple_omp_task_copy_fn (gs),
1370                        gimple_omp_task_arg_size (gs),
1371                        gimple_omp_task_arg_size (gs));
1372     }
1373   else
1374     {
1375       gimple_seq body;
1376       pp_string (buffer, "#pragma omp task");
1377       dump_omp_clauses (buffer, gimple_omp_task_clauses (gs), spc, flags);
1378       if (gimple_omp_task_child_fn (gs))
1379         {
1380           pp_string (buffer, " [child fn: ");
1381           dump_generic_node (buffer, gimple_omp_task_child_fn (gs),
1382                              spc, flags, false);
1383           pp_string (buffer, " (");
1384           if (gimple_omp_task_data_arg (gs))
1385             dump_generic_node (buffer, gimple_omp_task_data_arg (gs),
1386                                spc, flags, false);
1387           else
1388             pp_string (buffer, "???");
1389           pp_string (buffer, ")]");
1390         }
1391       body = gimple_omp_body (gs);
1392       if (body && gimple_code (gimple_seq_first_stmt (body)) != GIMPLE_BIND)
1393         {
1394           newline_and_indent (buffer, spc + 2);
1395           pp_character (buffer, '{');
1396           pp_newline (buffer);
1397           dump_gimple_seq (buffer, body, spc + 4, flags);
1398           newline_and_indent (buffer, spc + 2);
1399           pp_character (buffer, '}');
1400         }
1401       else if (body)
1402         {
1403           pp_newline (buffer);
1404           dump_gimple_seq (buffer, body, spc + 2, flags);
1405         }
1406     }
1407 }
1408
1409
1410 /* Dump a GIMPLE_OMP_ATOMIC_LOAD tuple on the pretty_printer BUFFER, SPC
1411    spaces of indent.  FLAGS specifies details to show in the dump (see TDF_*
1412    in tree-pass.h).  */
1413
1414 static void
1415 dump_gimple_omp_atomic_load (pretty_printer *buffer, gimple gs, int spc,
1416                              int flags)
1417 {
1418   if (flags & TDF_RAW)
1419     {
1420       dump_gimple_fmt (buffer, spc, flags, "%G <%T, %T>", gs,
1421                        gimple_omp_atomic_load_lhs (gs),
1422                        gimple_omp_atomic_load_rhs (gs));
1423     }
1424   else
1425     {
1426       pp_string (buffer, "#pragma omp atomic_load");
1427       newline_and_indent (buffer, spc + 2);
1428       dump_generic_node (buffer, gimple_omp_atomic_load_lhs (gs),
1429                          spc, flags, false);
1430       pp_space (buffer);
1431       pp_character (buffer, '=');
1432       pp_space (buffer);
1433       pp_character (buffer, '*');
1434       dump_generic_node (buffer, gimple_omp_atomic_load_rhs (gs),
1435                          spc, flags, false);
1436     }
1437 }
1438
1439 /* Dump a GIMPLE_OMP_ATOMIC_STORE tuple on the pretty_printer BUFFER, SPC
1440    spaces of indent.  FLAGS specifies details to show in the dump (see TDF_*
1441    in tree-pass.h).  */
1442
1443 static void
1444 dump_gimple_omp_atomic_store (pretty_printer *buffer, gimple gs, int spc,
1445                              int flags)
1446 {
1447   if (flags & TDF_RAW)
1448     {
1449       dump_gimple_fmt (buffer, spc, flags, "%G <%T>", gs,
1450                        gimple_omp_atomic_store_val (gs));
1451     }
1452   else
1453     {
1454       pp_string (buffer, "#pragma omp atomic_store (");
1455       dump_generic_node (buffer, gimple_omp_atomic_store_val (gs),
1456                          spc, flags, false);
1457       pp_character (buffer, ')');
1458     }
1459 }
1460
1461
1462 /* Dump all the memory operands for statement GS.  BUFFER, SPC and
1463    FLAGS are as in dump_gimple_stmt.  */
1464
1465 static void
1466 dump_gimple_mem_ops (pretty_printer *buffer, gimple gs, int spc, int flags)
1467 {
1468   tree vdef = gimple_vdef (gs);
1469   tree vuse = gimple_vuse (gs);
1470
1471   if (!ssa_operands_active () || !gimple_references_memory_p (gs))
1472     return;
1473
1474   if (vdef != NULL_TREE)
1475     {
1476       pp_string (buffer, "# ");
1477       dump_generic_node (buffer, vdef, spc + 2, flags, false);
1478       pp_string (buffer, " = VDEF <");
1479       dump_generic_node (buffer, vuse, spc + 2, flags, false);
1480       pp_character (buffer, '>');
1481       newline_and_indent (buffer, spc);
1482     }
1483   else if (vuse != NULL_TREE)
1484     {
1485       pp_string (buffer, "# VUSE <");
1486       dump_generic_node (buffer, vuse, spc + 2, flags, false);
1487       pp_character (buffer, '>');
1488       newline_and_indent (buffer, spc);
1489     }
1490 }
1491
1492
1493 /* Dump the gimple statement GS on the pretty printer BUFFER, SPC
1494    spaces of indent.  FLAGS specifies details to show in the dump (see
1495    TDF_* in tree-pass.h).  */
1496
1497 void
1498 dump_gimple_stmt (pretty_printer *buffer, gimple gs, int spc, int flags)
1499 {
1500   if (!gs)
1501     return;
1502
1503   if (flags & TDF_STMTADDR)
1504     pp_printf (buffer, "<&%p> ", (void *) gs);
1505
1506   if ((flags & TDF_LINENO) && gimple_has_location (gs))
1507     {
1508       expanded_location xloc = expand_location (gimple_location (gs));
1509       pp_character (buffer, '[');
1510       if (xloc.file)
1511         {
1512           pp_string (buffer, xloc.file);
1513           pp_string (buffer, " : ");
1514         }
1515       pp_decimal_int (buffer, xloc.line);
1516       pp_string (buffer, ":");
1517       pp_decimal_int (buffer, xloc.column);
1518       pp_string (buffer, "] ");
1519     }
1520
1521   if (flags & TDF_EH)
1522     {
1523       int lp_nr = lookup_stmt_eh_lp (gs);
1524       if (lp_nr > 0)
1525         pp_printf (buffer, "[LP %d] ", lp_nr);
1526       else if (lp_nr < 0)
1527         pp_printf (buffer, "[MNT %d] ", -lp_nr);
1528     }
1529
1530   if ((flags & (TDF_VOPS|TDF_MEMSYMS))
1531       && gimple_has_mem_ops (gs))
1532     dump_gimple_mem_ops (buffer, gs, spc, flags);
1533
1534   switch (gimple_code (gs))
1535     {
1536     case GIMPLE_ASM:
1537       dump_gimple_asm (buffer, gs, spc, flags);
1538       break;
1539
1540     case GIMPLE_ASSIGN:
1541       dump_gimple_assign (buffer, gs, spc, flags);
1542       break;
1543
1544     case GIMPLE_BIND:
1545       dump_gimple_bind (buffer, gs, spc, flags);
1546       break;
1547
1548     case GIMPLE_CALL:
1549       dump_gimple_call (buffer, gs, spc, flags);
1550       break;
1551
1552     case GIMPLE_COND:
1553       dump_gimple_cond (buffer, gs, spc, flags);
1554       break;
1555
1556     case GIMPLE_LABEL:
1557       dump_gimple_label (buffer, gs, spc, flags);
1558       break;
1559
1560     case GIMPLE_GOTO:
1561       dump_gimple_goto (buffer, gs, spc, flags);
1562       break;
1563
1564     case GIMPLE_NOP:
1565       pp_string (buffer, "GIMPLE_NOP");
1566       break;
1567
1568     case GIMPLE_RETURN:
1569       dump_gimple_return (buffer, gs, spc, flags);
1570       break;
1571
1572     case GIMPLE_SWITCH:
1573       dump_gimple_switch (buffer, gs, spc, flags);
1574       break;
1575
1576     case GIMPLE_TRY:
1577       dump_gimple_try (buffer, gs, spc, flags);
1578       break;
1579
1580     case GIMPLE_PHI:
1581       dump_gimple_phi (buffer, gs, spc, flags);
1582       break;
1583
1584     case GIMPLE_OMP_PARALLEL:
1585       dump_gimple_omp_parallel (buffer, gs, spc, flags);
1586       break;
1587
1588     case GIMPLE_OMP_TASK:
1589       dump_gimple_omp_task (buffer, gs, spc, flags);
1590       break;
1591
1592     case GIMPLE_OMP_ATOMIC_LOAD:
1593       dump_gimple_omp_atomic_load (buffer, gs, spc, flags);
1594
1595       break;
1596
1597     case GIMPLE_OMP_ATOMIC_STORE:
1598       dump_gimple_omp_atomic_store (buffer, gs, spc, flags);
1599       break;
1600
1601     case GIMPLE_OMP_FOR:
1602       dump_gimple_omp_for (buffer, gs, spc, flags);
1603       break;
1604
1605     case GIMPLE_OMP_CONTINUE:
1606       dump_gimple_omp_continue (buffer, gs, spc, flags);
1607       break;
1608
1609     case GIMPLE_OMP_SINGLE:
1610       dump_gimple_omp_single (buffer, gs, spc, flags);
1611       break;
1612
1613     case GIMPLE_OMP_RETURN:
1614       dump_gimple_omp_return (buffer, gs, spc, flags);
1615       break;
1616
1617     case GIMPLE_OMP_SECTIONS:
1618       dump_gimple_omp_sections (buffer, gs, spc, flags);
1619       break;
1620
1621     case GIMPLE_OMP_SECTIONS_SWITCH:
1622       pp_string (buffer, "GIMPLE_SECTIONS_SWITCH");
1623       break;
1624
1625     case GIMPLE_OMP_MASTER:
1626     case GIMPLE_OMP_ORDERED:
1627     case GIMPLE_OMP_SECTION:
1628       dump_gimple_omp_block (buffer, gs, spc, flags);
1629       break;
1630
1631     case GIMPLE_OMP_CRITICAL:
1632       dump_gimple_omp_critical (buffer, gs, spc, flags);
1633       break;
1634
1635     case GIMPLE_CATCH:
1636       dump_gimple_catch (buffer, gs, spc, flags);
1637       break;
1638
1639     case GIMPLE_EH_FILTER:
1640       dump_gimple_eh_filter (buffer, gs, spc, flags);
1641       break;
1642
1643     case GIMPLE_EH_MUST_NOT_THROW:
1644       dump_gimple_eh_must_not_throw (buffer, gs, spc, flags);
1645       break;
1646
1647     case GIMPLE_RESX:
1648       dump_gimple_resx (buffer, gs, spc, flags);
1649       break;
1650
1651     case GIMPLE_EH_DISPATCH:
1652       dump_gimple_eh_dispatch (buffer, gs, spc, flags);
1653       break;
1654
1655     case GIMPLE_DEBUG:
1656       dump_gimple_debug (buffer, gs, spc, flags);
1657       break;
1658
1659     case GIMPLE_PREDICT:
1660       pp_string (buffer, "// predicted ");
1661       if (gimple_predict_outcome (gs))
1662         pp_string (buffer, "likely by ");
1663       else
1664         pp_string (buffer, "unlikely by ");
1665       pp_string (buffer, predictor_name (gimple_predict_predictor (gs)));
1666       pp_string (buffer, " predictor.");
1667       break;
1668
1669     default:
1670       GIMPLE_NIY;
1671     }
1672
1673   /* If we're building a diagnostic, the formatted text will be
1674      written into BUFFER's stream by the caller; otherwise, write it
1675      now.  */
1676   if (!(flags & TDF_DIAGNOSTIC))
1677     pp_write_text_to_stream (buffer);
1678 }
1679
1680
1681 /* Dumps header of basic block BB to buffer BUFFER indented by INDENT
1682    spaces and details described by flags.  */
1683
1684 static void
1685 dump_bb_header (pretty_printer *buffer, basic_block bb, int indent, int flags)
1686 {
1687   edge e;
1688   gimple stmt;
1689   edge_iterator ei;
1690
1691   if (flags & TDF_BLOCKS)
1692     {
1693       INDENT (indent);
1694       pp_string (buffer, "# BLOCK ");
1695       pp_decimal_int (buffer, bb->index);
1696       if (bb->frequency)
1697         {
1698           pp_string (buffer, " freq:");
1699           pp_decimal_int (buffer, bb->frequency);
1700         }
1701       if (bb->count)
1702         {
1703           pp_string (buffer, " count:");
1704           pp_widest_integer (buffer, bb->count);
1705         }
1706
1707       if (flags & TDF_LINENO)
1708         {
1709           gimple_stmt_iterator gsi;
1710
1711           for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
1712             if (!is_gimple_debug (gsi_stmt (gsi))
1713                 && get_lineno (gsi_stmt (gsi)) != UNKNOWN_LOCATION)
1714               {
1715                 pp_string (buffer, ", starting at line ");
1716                 pp_decimal_int (buffer, get_lineno (gsi_stmt (gsi)));
1717                 break;
1718               }
1719
1720           if (bb->discriminator)
1721             {
1722               pp_string (buffer, ", discriminator ");
1723               pp_decimal_int (buffer, bb->discriminator);
1724             }
1725         }
1726       newline_and_indent (buffer, indent);
1727
1728       pp_string (buffer, "# PRED:");
1729       pp_write_text_to_stream (buffer);
1730       FOR_EACH_EDGE (e, ei, bb->preds)
1731         if (flags & TDF_SLIM)
1732           {
1733             pp_character (buffer, ' ');
1734             if (e->src == ENTRY_BLOCK_PTR)
1735               pp_string (buffer, "ENTRY");
1736             else
1737               pp_decimal_int (buffer, e->src->index);
1738           }
1739         else
1740           dump_edge_info (buffer->buffer->stream, e, 0);
1741       pp_newline (buffer);
1742     }
1743   else
1744     {
1745       stmt = first_stmt (bb);
1746       if (!stmt || gimple_code (stmt) != GIMPLE_LABEL)
1747         {
1748           INDENT (indent - 2);
1749           pp_string (buffer, "<bb ");
1750           pp_decimal_int (buffer, bb->index);
1751           pp_string (buffer, ">:");
1752           pp_newline (buffer);
1753         }
1754     }
1755   pp_write_text_to_stream (buffer);
1756   check_bb_profile (bb, buffer->buffer->stream);
1757 }
1758
1759
1760 /* Dumps end of basic block BB to buffer BUFFER indented by INDENT
1761    spaces.  */
1762
1763 static void
1764 dump_bb_end (pretty_printer *buffer, basic_block bb, int indent, int flags)
1765 {
1766   edge e;
1767   edge_iterator ei;
1768
1769   INDENT (indent);
1770   pp_string (buffer, "# SUCC:");
1771   pp_write_text_to_stream (buffer);
1772   FOR_EACH_EDGE (e, ei, bb->succs)
1773     if (flags & TDF_SLIM)
1774       {
1775         pp_character (buffer, ' ');
1776         if (e->dest == EXIT_BLOCK_PTR)
1777           pp_string (buffer, "EXIT");
1778         else
1779           pp_decimal_int (buffer, e->dest->index);
1780       }
1781     else
1782       dump_edge_info (buffer->buffer->stream, e, 1);
1783   pp_newline (buffer);
1784 }
1785
1786
1787 /* Dump PHI nodes of basic block BB to BUFFER with details described
1788    by FLAGS and indented by INDENT spaces.  */
1789
1790 static void
1791 dump_phi_nodes (pretty_printer *buffer, basic_block bb, int indent, int flags)
1792 {
1793   gimple_stmt_iterator i;
1794
1795   for (i = gsi_start_phis (bb); !gsi_end_p (i); gsi_next (&i))
1796     {
1797       gimple phi = gsi_stmt (i);
1798       if (is_gimple_reg (gimple_phi_result (phi)) || (flags & TDF_VOPS))
1799         {
1800           INDENT (indent);
1801           pp_string (buffer, "# ");
1802           dump_gimple_phi (buffer, phi, indent, flags);
1803           pp_newline (buffer);
1804         }
1805     }
1806 }
1807
1808
1809 /* Dump jump to basic block BB that is represented implicitly in the cfg
1810    to BUFFER.  */
1811
1812 static void
1813 pp_cfg_jump (pretty_printer *buffer, basic_block bb)
1814 {
1815   gimple stmt;
1816
1817   stmt = first_stmt (bb);
1818
1819   pp_string (buffer, "goto <bb ");
1820   pp_decimal_int (buffer, bb->index);
1821   pp_character (buffer, '>');
1822   if (stmt && gimple_code (stmt) == GIMPLE_LABEL)
1823     {
1824       pp_string (buffer, " (");
1825       dump_generic_node (buffer, gimple_label_label (stmt), 0, 0, false);
1826       pp_character (buffer, ')');
1827       pp_semicolon (buffer);
1828     }
1829   else
1830     pp_semicolon (buffer);
1831 }
1832
1833
1834 /* Dump edges represented implicitly in basic block BB to BUFFER, indented
1835    by INDENT spaces, with details given by FLAGS.  */
1836
1837 static void
1838 dump_implicit_edges (pretty_printer *buffer, basic_block bb, int indent,
1839                      int flags)
1840 {
1841   edge e;
1842   edge_iterator ei;
1843   gimple stmt;
1844
1845   stmt = last_stmt (bb);
1846
1847   if (stmt && gimple_code (stmt) == GIMPLE_COND)
1848     {
1849       edge true_edge, false_edge;
1850
1851       /* When we are emitting the code or changing CFG, it is possible that
1852          the edges are not yet created.  When we are using debug_bb in such
1853          a situation, we do not want it to crash.  */
1854       if (EDGE_COUNT (bb->succs) != 2)
1855         return;
1856       extract_true_false_edges_from_block (bb, &true_edge, &false_edge);
1857
1858       INDENT (indent + 2);
1859       pp_cfg_jump (buffer, true_edge->dest);
1860       newline_and_indent (buffer, indent);
1861       pp_string (buffer, "else");
1862       newline_and_indent (buffer, indent + 2);
1863       pp_cfg_jump (buffer, false_edge->dest);
1864       pp_newline (buffer);
1865       return;
1866     }
1867
1868   /* If there is a fallthru edge, we may need to add an artificial
1869      goto to the dump.  */
1870   FOR_EACH_EDGE (e, ei, bb->succs)
1871     if (e->flags & EDGE_FALLTHRU)
1872       break;
1873
1874   if (e && e->dest != bb->next_bb)
1875     {
1876       INDENT (indent);
1877
1878       if ((flags & TDF_LINENO)
1879           && e->goto_locus != UNKNOWN_LOCATION
1880           )
1881         {
1882           expanded_location goto_xloc;
1883           goto_xloc = expand_location (e->goto_locus);
1884           pp_character (buffer, '[');
1885           if (goto_xloc.file)
1886             {
1887               pp_string (buffer, goto_xloc.file);
1888               pp_string (buffer, " : ");
1889             }
1890           pp_decimal_int (buffer, goto_xloc.line);
1891           pp_string (buffer, " : ");
1892           pp_decimal_int (buffer, goto_xloc.column);
1893           pp_string (buffer, "] ");
1894         }
1895
1896       pp_cfg_jump (buffer, e->dest);
1897       pp_newline (buffer);
1898     }
1899 }
1900
1901
1902 /* Dumps basic block BB to buffer BUFFER with details described by FLAGS and
1903    indented by INDENT spaces.  */
1904
1905 static void
1906 gimple_dump_bb_buff (pretty_printer *buffer, basic_block bb, int indent,
1907                      int flags)
1908 {
1909   gimple_stmt_iterator gsi;
1910   gimple stmt;
1911   int label_indent = indent - 2;
1912
1913   if (label_indent < 0)
1914     label_indent = 0;
1915
1916   dump_bb_header (buffer, bb, indent, flags);
1917   dump_phi_nodes (buffer, bb, indent, flags);
1918
1919   for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
1920     {
1921       int curr_indent;
1922
1923       stmt = gsi_stmt (gsi);
1924
1925       curr_indent = gimple_code (stmt) == GIMPLE_LABEL ? label_indent : indent;
1926
1927       INDENT (curr_indent);
1928       dump_gimple_stmt (buffer, stmt, curr_indent, flags);
1929       pp_newline (buffer);
1930       dump_histograms_for_stmt (cfun, buffer->buffer->stream, stmt);
1931     }
1932
1933   dump_implicit_edges (buffer, bb, indent, flags);
1934
1935   if (flags & TDF_BLOCKS)
1936     dump_bb_end (buffer, bb, indent, flags);
1937 }
1938
1939
1940 /* Dumps basic block BB to FILE with details described by FLAGS and
1941    indented by INDENT spaces.  */
1942
1943 void
1944 gimple_dump_bb (basic_block bb, FILE *file, int indent, int flags)
1945 {
1946   maybe_init_pretty_print (file);
1947   gimple_dump_bb_buff (&buffer, bb, indent, flags);
1948   pp_flush (&buffer);
1949 }