scripts/gcc-plugins/gcc-common.h

   1 #ifndef GCC_COMMON_H_INCLUDED
   2 #define GCC_COMMON_H_INCLUDED
   3
   4 #include "bversion.h"
   5 #if BUILDING_GCC_VERSION >= 6000
   6 #include "gcc-plugin.h"
   7 #else
   8 #include "plugin.h"
   9 #endif
  10 #include "plugin-version.h"
  11 #include "config.h"
  12 #include "system.h"
  13 #include "coretypes.h"
  14 #include "tm.h"
  15 #include "line-map.h"
  16 #include "input.h"
  17 #include "tree.h"
  18
  19 #include "tree-inline.h"
  20 #include "version.h"
  21 #include "rtl.h"
  22 #include "tm_p.h"
  23 #include "flags.h"
  24 #include "hard-reg-set.h"
  25 #include "output.h"
  26 #include "except.h"
  27 #include "function.h"
  28 #include "toplev.h"
  29 #if BUILDING_GCC_VERSION >= 5000
  30 #include "expr.h"
  31 #endif
  32 #include "basic-block.h"
  33 #include "intl.h"
  34 #include "ggc.h"
  35 #include "timevar.h"
  36
  37 #include "params.h"
  38
  39 #if BUILDING_GCC_VERSION <= 4009
  40 #include "pointer-set.h"
  41 #else
  42 #include "hash-map.h"
  43 #endif
  44
  45 #if BUILDING_GCC_VERSION >= 7000
  46 #include "memmodel.h"
  47 #endif
  48 #include "emit-rtl.h"
  49 #include "debug.h"
  50 #include "target.h"
  51 #include "langhooks.h"
  52 #include "cfgloop.h"
  53 #include "cgraph.h"
  54 #include "opts.h"
  55
  56 #if BUILDING_GCC_VERSION == 4005
  57 #include <sys/mman.h>
  58 #endif
  59
  60 #if BUILDING_GCC_VERSION >= 4007
  61 #include "tree-pretty-print.h"
  62 #include "gimple-pretty-print.h"
  63 #endif
  64
  65 #if BUILDING_GCC_VERSION >= 4006
  66 #include "c-family/c-common.h"
  67 #else
  68 #include "c-common.h"
  69 #endif
  70
  71 #if BUILDING_GCC_VERSION <= 4008
  72 #include "tree-flow.h"
  73 #else
  74 #include "tree-cfgcleanup.h"
  75 #include "tree-ssa-operands.h"
  76 #include "tree-into-ssa.h"
  77 #endif
  78
  79 #if BUILDING_GCC_VERSION >= 4008
  80 #include "is-a.h"
  81 #endif
  82
  83 #include "diagnostic.h"
  84 #include "tree-dump.h"
  85 #include "tree-pass.h"
  86 #if BUILDING_GCC_VERSION >= 4009
  87 #include "pass_manager.h"
  88 #endif
  89 #include "predict.h"
  90 #include "ipa-utils.h"
  91
  92 #if BUILDING_GCC_VERSION >= 4009
  93 #include "attribs.h"
  94 #include "varasm.h"
  95 #include "stor-layout.h"
  96 #include "internal-fn.h"
  97 #include "gimple-expr.h"
  98 #include "gimple-fold.h"
  99 #include "context.h"
 100 #include "tree-ssa-alias.h"
 101 #include "tree-ssa.h"
 102 #include "stringpool.h"
 103 #if BUILDING_GCC_VERSION >= 7000
 104 #include "tree-vrp.h"
 105 #endif
 106 #include "tree-ssanames.h"
 107 #include "print-tree.h"
 108 #include "tree-eh.h"
 109 #include "stmt.h"
 110 #include "gimplify.h"
 111 #endif
 112
 113 #include "gimple.h"
 114
 115 #if BUILDING_GCC_VERSION >= 4009
 116 #include "tree-ssa-operands.h"
 117 #include "tree-phinodes.h"
 118 #include "tree-cfg.h"
 119 #include "gimple-iterator.h"
 120 #include "gimple-ssa.h"
 121 #include "ssa-iterators.h"
 122 #endif
 123
 124 #if BUILDING_GCC_VERSION >= 5000
 125 #include "builtins.h"
 126 #endif
 127
 128 /* missing from basic_block.h... */
 129 void debug_dominance_info(enum cdi_direction dir);
 130 void debug_dominance_tree(enum cdi_direction dir, basic_block root);
 131
 132 #if BUILDING_GCC_VERSION == 4006
 133 void debug_gimple_stmt(gimple);
 134 void debug_gimple_seq(gimple_seq);
 135 void print_gimple_seq(FILE *, gimple_seq, int, int);
 136 void print_gimple_stmt(FILE *, gimple, int, int);
 137 void print_gimple_expr(FILE *, gimple, int, int);
 138 void dump_gimple_stmt(pretty_printer *, gimple, int, int);
 139 #endif
 140
 141 #define __unused __attribute__((__unused__))
 142 #define __visible __attribute__((visibility("default")))
 143
 144 #define DECL_NAME_POINTER(node) IDENTIFIER_POINTER(DECL_NAME(node))
 145 #define DECL_NAME_LENGTH(node) IDENTIFIER_LENGTH(DECL_NAME(node))
 146 #define TYPE_NAME_POINTER(node) IDENTIFIER_POINTER(TYPE_NAME(node))
 147 #define TYPE_NAME_LENGTH(node) IDENTIFIER_LENGTH(TYPE_NAME(node))
 148
 149 /* should come from c-tree.h if only it were installed for gcc 4.5... */
 150 #define C_TYPE_FIELDS_READONLY(TYPE) TREE_LANG_FLAG_1(TYPE)
 151
 152 static inline tree build_const_char_string(int len, const char *str)
 153 {
 154         tree cstr, elem, index, type;
 155
 156         cstr = build_string(len, str);
 157         elem = build_type_variant(char_type_node, 1, 0);
 158         index = build_index_type(size_int(len - 1));
 159         type = build_array_type(elem, index);
 160         TREE_TYPE(cstr) = type;
 161         TREE_CONSTANT(cstr) = 1;
 162         TREE_READONLY(cstr) = 1;
 163         TREE_STATIC(cstr) = 1;
 164         return cstr;
 165 }
 166
 167 #define PASS_INFO(NAME, REF, ID, POS)           \
 168 struct register_pass_info NAME##_pass_info = {  \
 169         .pass = make_##NAME##_pass(),           \
 170         .reference_pass_name = REF,             \
 171         .ref_pass_instance_number = ID,         \
 172         .pos_op = POS,                          \
 173 }
 174
 175 #if BUILDING_GCC_VERSION == 4005
 176 #define FOR_EACH_LOCAL_DECL(FUN, I, D)                  \
 177         for (tree vars = (FUN)->local_decls, (I) = 0;   \
 178                 vars && ((D) = TREE_VALUE(vars));       \
 179                 vars = TREE_CHAIN(vars), (I)++)
 180 #define DECL_CHAIN(NODE) (TREE_CHAIN(DECL_MINIMAL_CHECK(NODE)))
 181 #define FOR_EACH_VEC_ELT(T, V, I, P) \
 182         for (I = 0; VEC_iterate(T, (V), (I), (P)); ++(I))
 183 #define TODO_rebuild_cgraph_edges 0
 184 #define SCOPE_FILE_SCOPE_P(EXP) (!(EXP))
 185
 186 #ifndef O_BINARY
 187 #define O_BINARY 0
 188 #endif
 189
 190 typedef struct varpool_node *varpool_node_ptr;
 191
 192 static inline bool gimple_call_builtin_p(gimple stmt, enum built_in_function code)
 193 {
 194         tree fndecl;
 195
 196         if (!is_gimple_call(stmt))
 197                 return false;
 198         fndecl = gimple_call_fndecl(stmt);
 199         if (!fndecl || DECL_BUILT_IN_CLASS(fndecl) != BUILT_IN_NORMAL)
 200                 return false;
 201         return DECL_FUNCTION_CODE(fndecl) == code;
 202 }
 203
 204 static inline bool is_simple_builtin(tree decl)
 205 {
 206         if (decl && DECL_BUILT_IN_CLASS(decl) != BUILT_IN_NORMAL)
 207                 return false;
 208
 209         switch (DECL_FUNCTION_CODE(decl)) {
 210         /* Builtins that expand to constants. */
 211         case BUILT_IN_CONSTANT_P:
 212         case BUILT_IN_EXPECT:
 213         case BUILT_IN_OBJECT_SIZE:
 214         case BUILT_IN_UNREACHABLE:
 215         /* Simple register moves or loads from stack. */
 216         case BUILT_IN_RETURN_ADDRESS:
 217         case BUILT_IN_EXTRACT_RETURN_ADDR:
 218         case BUILT_IN_FROB_RETURN_ADDR:
 219         case BUILT_IN_RETURN:
 220         case BUILT_IN_AGGREGATE_INCOMING_ADDRESS:
 221         case BUILT_IN_FRAME_ADDRESS:
 222         case BUILT_IN_VA_END:
 223         case BUILT_IN_STACK_SAVE:
 224         case BUILT_IN_STACK_RESTORE:
 225         /* Exception state returns or moves registers around. */
 226         case BUILT_IN_EH_FILTER:
 227         case BUILT_IN_EH_POINTER:
 228         case BUILT_IN_EH_COPY_VALUES:
 229         return true;
 230
 231         default:
 232         return false;
 233         }
 234 }
 235
 236 static inline void add_local_decl(struct function *fun, tree d)
 237 {
 238         gcc_assert(TREE_CODE(d) == VAR_DECL);
 239         fun->local_decls = tree_cons(NULL_TREE, d, fun->local_decls);
 240 }
 241 #endif
 242
 243 #if BUILDING_GCC_VERSION <= 4006
 244 #define ANY_RETURN_P(rtx) (GET_CODE(rtx) == RETURN)
 245 #define C_DECL_REGISTER(EXP) DECL_LANG_FLAG_4(EXP)
 246 #define EDGE_PRESERVE 0ULL
 247 #define HOST_WIDE_INT_PRINT_HEX_PURE "%" HOST_WIDE_INT_PRINT "x"
 248 #define flag_fat_lto_objects true
 249
 250 #define get_random_seed(noinit) ({                                              \
 251         unsigned HOST_WIDE_INT seed;                                            \
 252         sscanf(get_random_seed(noinit), "%" HOST_WIDE_INT_PRINT "x", &seed);    \
 253         seed * seed; })
 254
 255 #define int_const_binop(code, arg1, arg2)       \
 256         int_const_binop((code), (arg1), (arg2), 0)
 257
 258 static inline bool gimple_clobber_p(gimple s __unused)
 259 {
 260         return false;
 261 }
 262
 263 static inline bool gimple_asm_clobbers_memory_p(const_gimple stmt)
 264 {
 265         unsigned i;
 266
 267         for (i = 0; i < gimple_asm_nclobbers(stmt); i++) {
 268                 tree op = gimple_asm_clobber_op(stmt, i);
 269
 270                 if (!strcmp(TREE_STRING_POINTER(TREE_VALUE(op)), "memory"))
 271                         return true;
 272         }
 273
 274         return false;
 275 }
 276
 277 static inline tree builtin_decl_implicit(enum built_in_function fncode)
 278 {
 279         return implicit_built_in_decls[fncode];
 280 }
 281
 282 static inline int ipa_reverse_postorder(struct cgraph_node **order)
 283 {
 284         return cgraph_postorder(order);
 285 }
 286
 287 static inline struct cgraph_node *cgraph_create_node(tree decl)
 288 {
 289         return cgraph_node(decl);
 290 }
 291
 292 static inline struct cgraph_node *cgraph_get_create_node(tree decl)
 293 {
 294         struct cgraph_node *node = cgraph_get_node(decl);
 295
 296         return node ? node : cgraph_node(decl);
 297 }
 298
 299 static inline bool cgraph_function_with_gimple_body_p(struct cgraph_node *node)
 300 {
 301         return node->analyzed && !node->thunk.thunk_p && !node->alias;
 302 }
 303
 304 static inline struct cgraph_node *cgraph_first_function_with_gimple_body(void)
 305 {
 306         struct cgraph_node *node;
 307
 308         for (node = cgraph_nodes; node; node = node->next)
 309                 if (cgraph_function_with_gimple_body_p(node))
 310                         return node;
 311         return NULL;
 312 }
 313
 314 static inline struct cgraph_node *cgraph_next_function_with_gimple_body(struct cgraph_node *node)
 315 {
 316         for (node = node->next; node; node = node->next)
 317                 if (cgraph_function_with_gimple_body_p(node))
 318                         return node;
 319         return NULL;
 320 }
 321
 322 static inline bool cgraph_for_node_and_aliases(cgraph_node_ptr node, bool (*callback)(cgraph_node_ptr, void *), void *data, bool include_overwritable)
 323 {
 324         cgraph_node_ptr alias;
 325
 326         if (callback(node, data))
 327                 return true;
 328
 329         for (alias = node->same_body; alias; alias = alias->next) {
 330                 if (include_overwritable || cgraph_function_body_availability(alias) > AVAIL_OVERWRITABLE)
 331                         if (cgraph_for_node_and_aliases(alias, callback, data, include_overwritable))
 332                                 return true;
 333         }
 334
 335         return false;
 336 }
 337
 338 #define FOR_EACH_FUNCTION_WITH_GIMPLE_BODY(node) \
 339         for ((node) = cgraph_first_function_with_gimple_body(); (node); \
 340                 (node) = cgraph_next_function_with_gimple_body(node))
 341
 342 static inline void varpool_add_new_variable(tree decl)
 343 {
 344         varpool_finalize_decl(decl);
 345 }
 346 #endif
 347
 348 #if BUILDING_GCC_VERSION <= 4007
 349 #define FOR_EACH_FUNCTION(node) \
 350         for (node = cgraph_nodes; node; node = node->next)
 351 #define FOR_EACH_VARIABLE(node) \
 352         for (node = varpool_nodes; node; node = node->next)
 353 #define PROP_loops 0
 354 #define NODE_SYMBOL(node) (node)
 355 #define NODE_DECL(node) (node)->decl
 356 #define INSN_LOCATION(INSN) RTL_LOCATION(INSN)
 357 #define vNULL NULL
 358
 359 static inline int bb_loop_depth(const_basic_block bb)
 360 {
 361         return bb->loop_father ? loop_depth(bb->loop_father) : 0;
 362 }
 363
 364 static inline bool gimple_store_p(gimple gs)
 365 {
 366         tree lhs = gimple_get_lhs(gs);
 367
 368         return lhs && !is_gimple_reg(lhs);
 369 }
 370
 371 static inline void gimple_init_singleton(gimple g __unused)
 372 {
 373 }
 374 #endif
 375
 376 #if BUILDING_GCC_VERSION == 4007 || BUILDING_GCC_VERSION == 4008
 377 static inline struct cgraph_node *cgraph_alias_target(struct cgraph_node *n)
 378 {
 379         return cgraph_alias_aliased_node(n);
 380 }
 381 #endif
 382
 383 #if BUILDING_GCC_VERSION >= 4007 && BUILDING_GCC_VERSION <= 4009
 384 #define cgraph_create_edge(caller, callee, call_stmt, count, freq, nest) \
 385         cgraph_create_edge((caller), (callee), (call_stmt), (count), (freq))
 386 #define cgraph_create_edge_including_clones(caller, callee, old_call_stmt, call_stmt, count, freq, nest, reason) \
 387         cgraph_create_edge_including_clones((caller), (callee), (old_call_stmt), (call_stmt), (count), (freq), (reason))
 388 #endif
 389
 390 #if BUILDING_GCC_VERSION <= 4008
 391 #define ENTRY_BLOCK_PTR_FOR_FN(FN)      ENTRY_BLOCK_PTR_FOR_FUNCTION(FN)
 392 #define EXIT_BLOCK_PTR_FOR_FN(FN)       EXIT_BLOCK_PTR_FOR_FUNCTION(FN)
 393 #define basic_block_info_for_fn(FN)     ((FN)->cfg->x_basic_block_info)
 394 #define n_basic_blocks_for_fn(FN)       ((FN)->cfg->x_n_basic_blocks)
 395 #define n_edges_for_fn(FN)              ((FN)->cfg->x_n_edges)
 396 #define last_basic_block_for_fn(FN)     ((FN)->cfg->x_last_basic_block)
 397 #define label_to_block_map_for_fn(FN)   ((FN)->cfg->x_label_to_block_map)
 398 #define profile_status_for_fn(FN)       ((FN)->cfg->x_profile_status)
 399 #define BASIC_BLOCK_FOR_FN(FN, N)       BASIC_BLOCK_FOR_FUNCTION((FN), (N))
 400 #define NODE_IMPLICIT_ALIAS(node)       (node)->same_body_alias
 401 #define VAR_P(NODE)                     (TREE_CODE(NODE) == VAR_DECL)
 402
 403 static inline bool tree_fits_shwi_p(const_tree t)
 404 {
 405         if (t == NULL_TREE || TREE_CODE(t) != INTEGER_CST)
 406                 return false;
 407
 408         if (TREE_INT_CST_HIGH(t) == 0 && (HOST_WIDE_INT)TREE_INT_CST_LOW(t) >= 0)
 409                 return true;
 410
 411         if (TREE_INT_CST_HIGH(t) == -1 && (HOST_WIDE_INT)TREE_INT_CST_LOW(t) < 0 && !TYPE_UNSIGNED(TREE_TYPE(t)))
 412                 return true;
 413
 414         return false;
 415 }
 416
 417 static inline bool tree_fits_uhwi_p(const_tree t)
 418 {
 419         if (t == NULL_TREE || TREE_CODE(t) != INTEGER_CST)
 420                 return false;
 421
 422         return TREE_INT_CST_HIGH(t) == 0;
 423 }
 424
 425 static inline HOST_WIDE_INT tree_to_shwi(const_tree t)
 426 {
 427         gcc_assert(tree_fits_shwi_p(t));
 428         return TREE_INT_CST_LOW(t);
 429 }
 430
 431 static inline unsigned HOST_WIDE_INT tree_to_uhwi(const_tree t)
 432 {
 433         gcc_assert(tree_fits_uhwi_p(t));
 434         return TREE_INT_CST_LOW(t);
 435 }
 436
 437 static inline const char *get_tree_code_name(enum tree_code code)
 438 {
 439         gcc_assert(code < MAX_TREE_CODES);
 440         return tree_code_name[code];
 441 }
 442
 443 #define ipa_remove_stmt_references(cnode, stmt)
 444
 445 typedef union gimple_statement_d gasm;
 446 typedef union gimple_statement_d gassign;
 447 typedef union gimple_statement_d gcall;
 448 typedef union gimple_statement_d gcond;
 449 typedef union gimple_statement_d gdebug;
 450 typedef union gimple_statement_d ggoto;
 451 typedef union gimple_statement_d gphi;
 452 typedef union gimple_statement_d greturn;
 453
 454 static inline gasm *as_a_gasm(gimple stmt)
 455 {
 456         return stmt;
 457 }
 458
 459 static inline const gasm *as_a_const_gasm(const_gimple stmt)
 460 {
 461         return stmt;
 462 }
 463
 464 static inline gassign *as_a_gassign(gimple stmt)
 465 {
 466         return stmt;
 467 }
 468
 469 static inline const gassign *as_a_const_gassign(const_gimple stmt)
 470 {
 471         return stmt;
 472 }
 473
 474 static inline gcall *as_a_gcall(gimple stmt)
 475 {
 476         return stmt;
 477 }
 478
 479 static inline const gcall *as_a_const_gcall(const_gimple stmt)
 480 {
 481         return stmt;
 482 }
 483
 484 static inline gcond *as_a_gcond(gimple stmt)
 485 {
 486         return stmt;
 487 }
 488
 489 static inline const gcond *as_a_const_gcond(const_gimple stmt)
 490 {
 491         return stmt;
 492 }
 493
 494 static inline gdebug *as_a_gdebug(gimple stmt)
 495 {
 496         return stmt;
 497 }
 498
 499 static inline const gdebug *as_a_const_gdebug(const_gimple stmt)
 500 {
 501         return stmt;
 502 }
 503
 504 static inline ggoto *as_a_ggoto(gimple stmt)
 505 {
 506         return stmt;
 507 }
 508
 509 static inline const ggoto *as_a_const_ggoto(const_gimple stmt)
 510 {
 511         return stmt;
 512 }
 513
 514 static inline gphi *as_a_gphi(gimple stmt)
 515 {
 516         return stmt;
 517 }
 518
 519 static inline const gphi *as_a_const_gphi(const_gimple stmt)
 520 {
 521         return stmt;
 522 }
 523
 524 static inline greturn *as_a_greturn(gimple stmt)
 525 {
 526         return stmt;
 527 }
 528
 529 static inline const greturn *as_a_const_greturn(const_gimple stmt)
 530 {
 531         return stmt;
 532 }
 533 #endif
 534
 535 #if BUILDING_GCC_VERSION == 4008
 536 #define NODE_SYMBOL(node) (&(node)->symbol)
 537 #define NODE_DECL(node) (node)->symbol.decl
 538 #endif
 539
 540 #if BUILDING_GCC_VERSION >= 4008
 541 #define add_referenced_var(var)
 542 #define mark_sym_for_renaming(var)
 543 #define varpool_mark_needed_node(node)
 544 #define create_var_ann(var)
 545 #define TODO_dump_func 0
 546 #define TODO_dump_cgraph 0
 547 #endif
 548
 549 #if BUILDING_GCC_VERSION <= 4009
 550 #define TODO_verify_il 0
 551 #define AVAIL_INTERPOSABLE AVAIL_OVERWRITABLE
 552
 553 #define section_name_prefix LTO_SECTION_NAME_PREFIX
 554 #define fatal_error(loc, gmsgid, ...) fatal_error((gmsgid), __VA_ARGS__)
 555
 556 rtx emit_move_insn(rtx x, rtx y);
 557
 558 typedef struct rtx_def rtx_insn;
 559
 560 static inline const char *get_decl_section_name(const_tree decl)
 561 {
 562         if (DECL_SECTION_NAME(decl) == NULL_TREE)
 563                 return NULL;
 564
 565         return TREE_STRING_POINTER(DECL_SECTION_NAME(decl));
 566 }
 567
 568 static inline void set_decl_section_name(tree node, const char *value)
 569 {
 570         if (value)
 571                 DECL_SECTION_NAME(node) = build_string(strlen(value) + 1, value);
 572         else
 573                 DECL_SECTION_NAME(node) = NULL;
 574 }
 575 #endif
 576
 577 #if BUILDING_GCC_VERSION == 4009
 578 typedef struct gimple_statement_asm gasm;
 579 typedef struct gimple_statement_base gassign;
 580 typedef struct gimple_statement_call gcall;
 581 typedef struct gimple_statement_base gcond;
 582 typedef struct gimple_statement_base gdebug;
 583 typedef struct gimple_statement_base ggoto;
 584 typedef struct gimple_statement_phi gphi;
 585 typedef struct gimple_statement_base greturn;
 586
 587 static inline gasm *as_a_gasm(gimple stmt)
 588 {
 589         return as_a<gasm>(stmt);
 590 }
 591
 592 static inline const gasm *as_a_const_gasm(const_gimple stmt)
 593 {
 594         return as_a<const gasm>(stmt);
 595 }
 596
 597 static inline gassign *as_a_gassign(gimple stmt)
 598 {
 599         return stmt;
 600 }
 601
 602 static inline const gassign *as_a_const_gassign(const_gimple stmt)
 603 {
 604         return stmt;
 605 }
 606
 607 static inline gcall *as_a_gcall(gimple stmt)
 608 {
 609         return as_a<gcall>(stmt);
 610 }
 611
 612 static inline const gcall *as_a_const_gcall(const_gimple stmt)
 613 {
 614         return as_a<const gcall>(stmt);
 615 }
 616
 617 static inline gcond *as_a_gcond(gimple stmt)
 618 {
 619         return stmt;
 620 }
 621
 622 static inline const gcond *as_a_const_gcond(const_gimple stmt)
 623 {
 624         return stmt;
 625 }
 626
 627 static inline gdebug *as_a_gdebug(gimple stmt)
 628 {
 629         return stmt;
 630 }
 631
 632 static inline const gdebug *as_a_const_gdebug(const_gimple stmt)
 633 {
 634         return stmt;
 635 }
 636
 637 static inline ggoto *as_a_ggoto(gimple stmt)
 638 {
 639         return stmt;
 640 }
 641
 642 static inline const ggoto *as_a_const_ggoto(const_gimple stmt)
 643 {
 644         return stmt;
 645 }
 646
 647 static inline gphi *as_a_gphi(gimple stmt)
 648 {
 649         return as_a<gphi>(stmt);
 650 }
 651
 652 static inline const gphi *as_a_const_gphi(const_gimple stmt)
 653 {
 654         return as_a<const gphi>(stmt);
 655 }
 656
 657 static inline greturn *as_a_greturn(gimple stmt)
 658 {
 659         return stmt;
 660 }
 661
 662 static inline const greturn *as_a_const_greturn(const_gimple stmt)
 663 {
 664         return stmt;
 665 }
 666 #endif
 667
 668 #if BUILDING_GCC_VERSION >= 4009
 669 #define TODO_ggc_collect 0
 670 #define NODE_SYMBOL(node) (node)
 671 #define NODE_DECL(node) (node)->decl
 672 #define cgraph_node_name(node) (node)->name()
 673 #define NODE_IMPLICIT_ALIAS(node) (node)->cpp_implicit_alias
 674
 675 static inline opt_pass *get_pass_for_id(int id)
 676 {
 677         return g->get_passes()->get_pass_for_id(id);
 678 }
 679 #endif
 680
 681 #if BUILDING_GCC_VERSION >= 5000 && BUILDING_GCC_VERSION < 6000
 682 /* gimple related */
 683 template <>
 684 template <>
 685 inline bool is_a_helper<const gassign *>::test(const_gimple gs)
 686 {
 687         return gs->code == GIMPLE_ASSIGN;
 688 }
 689 #endif
 690
 691 #if BUILDING_GCC_VERSION >= 5000
 692 #define TODO_verify_ssa TODO_verify_il
 693 #define TODO_verify_flow TODO_verify_il
 694 #define TODO_verify_stmts TODO_verify_il
 695 #define TODO_verify_rtl_sharing TODO_verify_il
 696
 697 #define INSN_DELETED_P(insn) (insn)->deleted()
 698
 699 static inline const char *get_decl_section_name(const_tree decl)
 700 {
 701         return DECL_SECTION_NAME(decl);
 702 }
 703
 704 /* symtab/cgraph related */
 705 #define debug_cgraph_node(node) (node)->debug()
 706 #define cgraph_get_node(decl) cgraph_node::get(decl)
 707 #define cgraph_get_create_node(decl) cgraph_node::get_create(decl)
 708 #define cgraph_create_node(decl) cgraph_node::create(decl)
 709 #define cgraph_n_nodes symtab->cgraph_count
 710 #define cgraph_max_uid symtab->cgraph_max_uid
 711 #define varpool_get_node(decl) varpool_node::get(decl)
 712 #define dump_varpool_node(file, node) (node)->dump(file)
 713
 714 #define cgraph_create_edge(caller, callee, call_stmt, count, freq, nest) \
 715         (caller)->create_edge((callee), (call_stmt), (count), (freq))
 716 #define cgraph_create_edge_including_clones(caller, callee, old_call_stmt, call_stmt, count, freq, nest, reason) \
 717         (caller)->create_edge_including_clones((callee), (old_call_stmt), (call_stmt), (count), (freq), (reason))
 718
 719 typedef struct cgraph_node *cgraph_node_ptr;
 720 typedef struct cgraph_edge *cgraph_edge_p;
 721 typedef struct varpool_node *varpool_node_ptr;
 722
 723 static inline void change_decl_assembler_name(tree decl, tree name)
 724 {
 725         symtab->change_decl_assembler_name(decl, name);
 726 }
 727
 728 static inline void varpool_finalize_decl(tree decl)
 729 {
 730         varpool_node::finalize_decl(decl);
 731 }
 732
 733 static inline void varpool_add_new_variable(tree decl)
 734 {
 735         varpool_node::add(decl);
 736 }
 737
 738 static inline unsigned int rebuild_cgraph_edges(void)
 739 {
 740         return cgraph_edge::rebuild_edges();
 741 }
 742
 743 static inline cgraph_node_ptr cgraph_function_node(cgraph_node_ptr node, enum availability *availability)
 744 {
 745         return node->function_symbol(availability);
 746 }
 747
 748 static inline cgraph_node_ptr cgraph_function_or_thunk_node(cgraph_node_ptr node, enum availability *availability = NULL)
 749 {
 750         return node->ultimate_alias_target(availability);
 751 }
 752
 753 static inline bool cgraph_only_called_directly_p(cgraph_node_ptr node)
 754 {
 755         return node->only_called_directly_p();
 756 }
 757
 758 static inline enum availability cgraph_function_body_availability(cgraph_node_ptr node)
 759 {
 760         return node->get_availability();
 761 }
 762
 763 static inline cgraph_node_ptr cgraph_alias_target(cgraph_node_ptr node)
 764 {
 765         return node->get_alias_target();
 766 }
 767
 768 static inline bool cgraph_for_node_and_aliases(cgraph_node_ptr node, bool (*callback)(cgraph_node_ptr, void *), void *data, bool include_overwritable)
 769 {
 770         return node->call_for_symbol_thunks_and_aliases(callback, data, include_overwritable);
 771 }
 772
 773 static inline struct cgraph_node_hook_list *cgraph_add_function_insertion_hook(cgraph_node_hook hook, void *data)
 774 {
 775         return symtab->add_cgraph_insertion_hook(hook, data);
 776 }
 777
 778 static inline void cgraph_remove_function_insertion_hook(struct cgraph_node_hook_list *entry)
 779 {
 780         symtab->remove_cgraph_insertion_hook(entry);
 781 }
 782
 783 static inline struct cgraph_node_hook_list *cgraph_add_node_removal_hook(cgraph_node_hook hook, void *data)
 784 {
 785         return symtab->add_cgraph_removal_hook(hook, data);
 786 }
 787
 788 static inline void cgraph_remove_node_removal_hook(struct cgraph_node_hook_list *entry)
 789 {
 790         symtab->remove_cgraph_removal_hook(entry);
 791 }
 792
 793 static inline struct cgraph_2node_hook_list *cgraph_add_node_duplication_hook(cgraph_2node_hook hook, void *data)
 794 {
 795         return symtab->add_cgraph_duplication_hook(hook, data);
 796 }
 797
 798 static inline void cgraph_remove_node_duplication_hook(struct cgraph_2node_hook_list *entry)
 799 {
 800         symtab->remove_cgraph_duplication_hook(entry);
 801 }
 802
 803 static inline void cgraph_call_node_duplication_hooks(cgraph_node_ptr node, cgraph_node_ptr node2)
 804 {
 805         symtab->call_cgraph_duplication_hooks(node, node2);
 806 }
 807
 808 static inline void cgraph_call_edge_duplication_hooks(cgraph_edge *cs1, cgraph_edge *cs2)
 809 {
 810         symtab->call_edge_duplication_hooks(cs1, cs2);
 811 }
 812
 813 #if BUILDING_GCC_VERSION >= 6000
 814 typedef gimple *gimple_ptr;
 815 typedef const gimple *const_gimple_ptr;
 816 #define gimple gimple_ptr
 817 #define const_gimple const_gimple_ptr
 818 #undef CONST_CAST_GIMPLE
 819 #define CONST_CAST_GIMPLE(X) CONST_CAST(gimple, (X))
 820 #endif
 821
 822 /* gimple related */
 823 static inline gimple gimple_build_assign_with_ops(enum tree_code subcode, tree lhs, tree op1, tree op2 MEM_STAT_DECL)
 824 {
 825         return gimple_build_assign(lhs, subcode, op1, op2 PASS_MEM_STAT);
 826 }
 827
 828 template <>
 829 template <>
 830 inline bool is_a_helper<const ggoto *>::test(const_gimple gs)
 831 {
 832         return gs->code == GIMPLE_GOTO;
 833 }
 834
 835 template <>
 836 template <>
 837 inline bool is_a_helper<const greturn *>::test(const_gimple gs)
 838 {
 839         return gs->code == GIMPLE_RETURN;
 840 }
 841
 842 static inline gasm *as_a_gasm(gimple stmt)
 843 {
 844         return as_a<gasm *>(stmt);
 845 }
 846
 847 static inline const gasm *as_a_const_gasm(const_gimple stmt)
 848 {
 849         return as_a<const gasm *>(stmt);
 850 }
 851
 852 static inline gassign *as_a_gassign(gimple stmt)
 853 {
 854         return as_a<gassign *>(stmt);
 855 }
 856
 857 static inline const gassign *as_a_const_gassign(const_gimple stmt)
 858 {
 859         return as_a<const gassign *>(stmt);
 860 }
 861
 862 static inline gcall *as_a_gcall(gimple stmt)
 863 {
 864         return as_a<gcall *>(stmt);
 865 }
 866
 867 static inline const gcall *as_a_const_gcall(const_gimple stmt)
 868 {
 869         return as_a<const gcall *>(stmt);
 870 }
 871
 872 static inline ggoto *as_a_ggoto(gimple stmt)
 873 {
 874         return as_a<ggoto *>(stmt);
 875 }
 876
 877 static inline const ggoto *as_a_const_ggoto(const_gimple stmt)
 878 {
 879         return as_a<const ggoto *>(stmt);
 880 }
 881
 882 static inline gphi *as_a_gphi(gimple stmt)
 883 {
 884         return as_a<gphi *>(stmt);
 885 }
 886
 887 static inline const gphi *as_a_const_gphi(const_gimple stmt)
 888 {
 889         return as_a<const gphi *>(stmt);
 890 }
 891
 892 static inline greturn *as_a_greturn(gimple stmt)
 893 {
 894         return as_a<greturn *>(stmt);
 895 }
 896
 897 static inline const greturn *as_a_const_greturn(const_gimple stmt)
 898 {
 899         return as_a<const greturn *>(stmt);
 900 }
 901
 902 /* IPA/LTO related */
 903 #define ipa_ref_list_referring_iterate(L, I, P) \
 904         (L)->referring.iterate((I), &(P))
 905 #define ipa_ref_list_reference_iterate(L, I, P) \
 906         (L)->reference.iterate((I), &(P))
 907
 908 static inline cgraph_node_ptr ipa_ref_referring_node(struct ipa_ref *ref)
 909 {
 910         return dyn_cast<cgraph_node_ptr>(ref->referring);
 911 }
 912
 913 static inline void ipa_remove_stmt_references(symtab_node *referring_node, gimple stmt)
 914 {
 915         referring_node->remove_stmt_references(stmt);
 916 }
 917 #endif
 918
 919 #if BUILDING_GCC_VERSION < 6000
 920 #define get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep, keep_aligning)   \
 921         get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, pvolatilep, keep_aligning)
 922 #define gen_rtx_set(ARG0, ARG1) gen_rtx_SET(VOIDmode, (ARG0), (ARG1))
 923 #endif
 924
 925 #if BUILDING_GCC_VERSION >= 6000
 926 #define gen_rtx_set(ARG0, ARG1) gen_rtx_SET((ARG0), (ARG1))
 927 #endif
 928
 929 #ifdef __cplusplus
 930 static inline void debug_tree(const_tree t)
 931 {
 932         debug_tree(CONST_CAST_TREE(t));
 933 }
 934
 935 static inline void debug_gimple_stmt(const_gimple s)
 936 {
 937         debug_gimple_stmt(CONST_CAST_GIMPLE(s));
 938 }
 939 #else
 940 #define debug_tree(t) debug_tree(CONST_CAST_TREE(t))
 941 #define debug_gimple_stmt(s) debug_gimple_stmt(CONST_CAST_GIMPLE(s))
 942 #endif
 943
 944 #if BUILDING_GCC_VERSION >= 7000
 945 #define get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep, keep_aligning)   \
 946         get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep)
 947 #endif
 948
 949 #endif