scripts/gcc-plugins/gcc-common.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef GCC_COMMON_H_INCLUDED
   3 #define GCC_COMMON_H_INCLUDED
   4
   5 #include "bversion.h"
   6 #if BUILDING_GCC_VERSION >= 6000
   7 #include "gcc-plugin.h"
   8 #else
   9 #include "plugin.h"
  10 #endif
  11 #include "plugin-version.h"
  12 #include "config.h"
  13 #include "system.h"
  14 #include "coretypes.h"
  15 #include "tm.h"
  16 #include "line-map.h"
  17 #include "input.h"
  18 #include "tree.h"
  19
  20 #include "tree-inline.h"
  21 #include "version.h"
  22 #include "rtl.h"
  23 #include "tm_p.h"
  24 #include "flags.h"
  25 #include "hard-reg-set.h"
  26 #include "output.h"
  27 #include "except.h"
  28 #include "function.h"
  29 #include "toplev.h"
  30 #if BUILDING_GCC_VERSION >= 5000
  31 #include "expr.h"
  32 #endif
  33 #include "basic-block.h"
  34 #include "intl.h"
  35 #include "ggc.h"
  36 #include "timevar.h"
  37
  38 #include "params.h"
  39
  40 #if BUILDING_GCC_VERSION <= 4009
  41 #include "pointer-set.h"
  42 #else
  43 #include "hash-map.h"
  44 #endif
  45
  46 #if BUILDING_GCC_VERSION >= 7000
  47 #include "memmodel.h"
  48 #endif
  49 #include "emit-rtl.h"
  50 #include "debug.h"
  51 #include "target.h"
  52 #include "langhooks.h"
  53 #include "cfgloop.h"
  54 #include "cgraph.h"
  55 #include "opts.h"
  56
  57 #if BUILDING_GCC_VERSION == 4005
  58 #include <sys/mman.h>
  59 #endif
  60
  61 #if BUILDING_GCC_VERSION >= 4007
  62 #include "tree-pretty-print.h"
  63 #include "gimple-pretty-print.h"
  64 #endif
  65
  66 #if BUILDING_GCC_VERSION >= 4006
  67 /*
  68  * The c-family headers were moved into a subdirectory in GCC version
  69  * 4.7, but most plugin-building users of GCC 4.6 are using the Debian
  70  * or Ubuntu package, which has an out-of-tree patch to move this to the
  71  * same location as found in 4.7 and later:
  72  * https://sources.debian.net/src/gcc-4.6/4.6.3-14/debian/patches/pr45078.diff/
  73  */
  74 #include "c-family/c-common.h"
  75 #else
  76 #include "c-common.h"
  77 #endif
  78
  79 #if BUILDING_GCC_VERSION <= 4008
  80 #include "tree-flow.h"
  81 #else
  82 #include "tree-cfgcleanup.h"
  83 #include "tree-ssa-operands.h"
  84 #include "tree-into-ssa.h"
  85 #endif
  86
  87 #if BUILDING_GCC_VERSION >= 4008
  88 #include "is-a.h"
  89 #endif
  90
  91 #include "diagnostic.h"
  92 #include "tree-dump.h"
  93 #include "tree-pass.h"
  94 #if BUILDING_GCC_VERSION >= 4009
  95 #include "pass_manager.h"
  96 #endif
  97 #include "predict.h"
  98 #include "ipa-utils.h"
  99
 100 #if BUILDING_GCC_VERSION >= 8000
 101 #include "stringpool.h"
 102 #endif
 103
 104 #if BUILDING_GCC_VERSION >= 4009
 105 #include "attribs.h"
 106 #include "varasm.h"
 107 #include "stor-layout.h"
 108 #include "internal-fn.h"
 109 #include "gimple-expr.h"
 110 #include "gimple-fold.h"
 111 #include "context.h"
 112 #include "tree-ssa-alias.h"
 113 #include "tree-ssa.h"
 114 #include "stringpool.h"
 115 #if BUILDING_GCC_VERSION >= 7000
 116 #include "tree-vrp.h"
 117 #endif
 118 #include "tree-ssanames.h"
 119 #include "print-tree.h"
 120 #include "tree-eh.h"
 121 #include "stmt.h"
 122 #include "gimplify.h"
 123 #endif
 124
 125 #include "gimple.h"
 126
 127 #if BUILDING_GCC_VERSION >= 4009
 128 #include "tree-ssa-operands.h"
 129 #include "tree-phinodes.h"
 130 #include "tree-cfg.h"
 131 #include "gimple-iterator.h"
 132 #include "gimple-ssa.h"
 133 #include "ssa-iterators.h"
 134 #endif
 135
 136 #if BUILDING_GCC_VERSION >= 5000
 137 #include "builtins.h"
 138 #endif
 139
 140 /* missing from basic_block.h... */
 141 void debug_dominance_info(enum cdi_direction dir);
 142 void debug_dominance_tree(enum cdi_direction dir, basic_block root);
 143
 144 #if BUILDING_GCC_VERSION == 4006
 145 void debug_gimple_stmt(gimple);
 146 void debug_gimple_seq(gimple_seq);
 147 void print_gimple_seq(FILE *, gimple_seq, int, int);
 148 void print_gimple_stmt(FILE *, gimple, int, int);
 149 void print_gimple_expr(FILE *, gimple, int, int);
 150 void dump_gimple_stmt(pretty_printer *, gimple, int, int);
 151 #endif
 152
 153 #define __unused __attribute__((__unused__))
 154 #define __visible __attribute__((visibility("default")))
 155
 156 #define DECL_NAME_POINTER(node) IDENTIFIER_POINTER(DECL_NAME(node))
 157 #define DECL_NAME_LENGTH(node) IDENTIFIER_LENGTH(DECL_NAME(node))
 158 #define TYPE_NAME_POINTER(node) IDENTIFIER_POINTER(TYPE_NAME(node))
 159 #define TYPE_NAME_LENGTH(node) IDENTIFIER_LENGTH(TYPE_NAME(node))
 160
 161 /* should come from c-tree.h if only it were installed for gcc 4.5... */
 162 #define C_TYPE_FIELDS_READONLY(TYPE) TREE_LANG_FLAG_1(TYPE)
 163
 164 static inline tree build_const_char_string(int len, const char *str)
 165 {
 166         tree cstr, elem, index, type;
 167
 168         cstr = build_string(len, str);
 169         elem = build_type_variant(char_type_node, 1, 0);
 170         index = build_index_type(size_int(len - 1));
 171         type = build_array_type(elem, index);
 172         TREE_TYPE(cstr) = type;
 173         TREE_CONSTANT(cstr) = 1;
 174         TREE_READONLY(cstr) = 1;
 175         TREE_STATIC(cstr) = 1;
 176         return cstr;
 177 }
 178
 179 #define PASS_INFO(NAME, REF, ID, POS)           \
 180 struct register_pass_info NAME##_pass_info = {  \
 181         .pass = make_##NAME##_pass(),           \
 182         .reference_pass_name = REF,             \
 183         .ref_pass_instance_number = ID,         \
 184         .pos_op = POS,                          \
 185 }
 186
 187 #if BUILDING_GCC_VERSION == 4005
 188 #define FOR_EACH_LOCAL_DECL(FUN, I, D)                  \
 189         for (tree vars = (FUN)->local_decls, (I) = 0;   \
 190                 vars && ((D) = TREE_VALUE(vars));       \
 191                 vars = TREE_CHAIN(vars), (I)++)
 192 #define DECL_CHAIN(NODE) (TREE_CHAIN(DECL_MINIMAL_CHECK(NODE)))
 193 #define FOR_EACH_VEC_ELT(T, V, I, P) \
 194         for (I = 0; VEC_iterate(T, (V), (I), (P)); ++(I))
 195 #define TODO_rebuild_cgraph_edges 0
 196 #define SCOPE_FILE_SCOPE_P(EXP) (!(EXP))
 197
 198 #ifndef O_BINARY
 199 #define O_BINARY 0
 200 #endif
 201
 202 typedef struct varpool_node *varpool_node_ptr;
 203
 204 static inline bool gimple_call_builtin_p(gimple stmt, enum built_in_function code)
 205 {
 206         tree fndecl;
 207
 208         if (!is_gimple_call(stmt))
 209                 return false;
 210         fndecl = gimple_call_fndecl(stmt);
 211         if (!fndecl || DECL_BUILT_IN_CLASS(fndecl) != BUILT_IN_NORMAL)
 212                 return false;
 213         return DECL_FUNCTION_CODE(fndecl) == code;
 214 }
 215
 216 static inline bool is_simple_builtin(tree decl)
 217 {
 218         if (decl && DECL_BUILT_IN_CLASS(decl) != BUILT_IN_NORMAL)
 219                 return false;
 220
 221         switch (DECL_FUNCTION_CODE(decl)) {
 222         /* Builtins that expand to constants. */
 223         case BUILT_IN_CONSTANT_P:
 224         case BUILT_IN_EXPECT:
 225         case BUILT_IN_OBJECT_SIZE:
 226         case BUILT_IN_UNREACHABLE:
 227         /* Simple register moves or loads from stack. */
 228         case BUILT_IN_RETURN_ADDRESS:
 229         case BUILT_IN_EXTRACT_RETURN_ADDR:
 230         case BUILT_IN_FROB_RETURN_ADDR:
 231         case BUILT_IN_RETURN:
 232         case BUILT_IN_AGGREGATE_INCOMING_ADDRESS:
 233         case BUILT_IN_FRAME_ADDRESS:
 234         case BUILT_IN_VA_END:
 235         case BUILT_IN_STACK_SAVE:
 236         case BUILT_IN_STACK_RESTORE:
 237         /* Exception state returns or moves registers around. */
 238         case BUILT_IN_EH_FILTER:
 239         case BUILT_IN_EH_POINTER:
 240         case BUILT_IN_EH_COPY_VALUES:
 241         return true;
 242
 243         default:
 244         return false;
 245         }
 246 }
 247
 248 static inline void add_local_decl(struct function *fun, tree d)
 249 {
 250         gcc_assert(TREE_CODE(d) == VAR_DECL);
 251         fun->local_decls = tree_cons(NULL_TREE, d, fun->local_decls);
 252 }
 253 #endif
 254
 255 #if BUILDING_GCC_VERSION <= 4006
 256 #define ANY_RETURN_P(rtx) (GET_CODE(rtx) == RETURN)
 257 #define C_DECL_REGISTER(EXP) DECL_LANG_FLAG_4(EXP)
 258 #define EDGE_PRESERVE 0ULL
 259 #define HOST_WIDE_INT_PRINT_HEX_PURE "%" HOST_WIDE_INT_PRINT "x"
 260 #define flag_fat_lto_objects true
 261
 262 #define get_random_seed(noinit) ({                                              \
 263         unsigned HOST_WIDE_INT seed;                                            \
 264         sscanf(get_random_seed(noinit), "%" HOST_WIDE_INT_PRINT "x", &seed);    \
 265         seed * seed; })
 266
 267 #define int_const_binop(code, arg1, arg2)       \
 268         int_const_binop((code), (arg1), (arg2), 0)
 269
 270 static inline bool gimple_clobber_p(gimple s __unused)
 271 {
 272         return false;
 273 }
 274
 275 static inline bool gimple_asm_clobbers_memory_p(const_gimple stmt)
 276 {
 277         unsigned i;
 278
 279         for (i = 0; i < gimple_asm_nclobbers(stmt); i++) {
 280                 tree op = gimple_asm_clobber_op(stmt, i);
 281
 282                 if (!strcmp(TREE_STRING_POINTER(TREE_VALUE(op)), "memory"))
 283                         return true;
 284         }
 285
 286         return false;
 287 }
 288
 289 static inline tree builtin_decl_implicit(enum built_in_function fncode)
 290 {
 291         return implicit_built_in_decls[fncode];
 292 }
 293
 294 static inline int ipa_reverse_postorder(struct cgraph_node **order)
 295 {
 296         return cgraph_postorder(order);
 297 }
 298
 299 static inline struct cgraph_node *cgraph_create_node(tree decl)
 300 {
 301         return cgraph_node(decl);
 302 }
 303
 304 static inline struct cgraph_node *cgraph_get_create_node(tree decl)
 305 {
 306         struct cgraph_node *node = cgraph_get_node(decl);
 307
 308         return node ? node : cgraph_node(decl);
 309 }
 310
 311 static inline bool cgraph_function_with_gimple_body_p(struct cgraph_node *node)
 312 {
 313         return node->analyzed && !node->thunk.thunk_p && !node->alias;
 314 }
 315
 316 static inline struct cgraph_node *cgraph_first_function_with_gimple_body(void)
 317 {
 318         struct cgraph_node *node;
 319
 320         for (node = cgraph_nodes; node; node = node->next)
 321                 if (cgraph_function_with_gimple_body_p(node))
 322                         return node;
 323         return NULL;
 324 }
 325
 326 static inline struct cgraph_node *cgraph_next_function_with_gimple_body(struct cgraph_node *node)
 327 {
 328         for (node = node->next; node; node = node->next)
 329                 if (cgraph_function_with_gimple_body_p(node))
 330                         return node;
 331         return NULL;
 332 }
 333
 334 static inline bool cgraph_for_node_and_aliases(cgraph_node_ptr node, bool (*callback)(cgraph_node_ptr, void *), void *data, bool include_overwritable)
 335 {
 336         cgraph_node_ptr alias;
 337
 338         if (callback(node, data))
 339                 return true;
 340
 341         for (alias = node->same_body; alias; alias = alias->next) {
 342                 if (include_overwritable || cgraph_function_body_availability(alias) > AVAIL_OVERWRITABLE)
 343                         if (cgraph_for_node_and_aliases(alias, callback, data, include_overwritable))
 344                                 return true;
 345         }
 346
 347         return false;
 348 }
 349
 350 #define FOR_EACH_FUNCTION_WITH_GIMPLE_BODY(node) \
 351         for ((node) = cgraph_first_function_with_gimple_body(); (node); \
 352                 (node) = cgraph_next_function_with_gimple_body(node))
 353
 354 static inline void varpool_add_new_variable(tree decl)
 355 {
 356         varpool_finalize_decl(decl);
 357 }
 358 #endif
 359
 360 #if BUILDING_GCC_VERSION <= 4007
 361 #define FOR_EACH_FUNCTION(node) \
 362         for (node = cgraph_nodes; node; node = node->next)
 363 #define FOR_EACH_VARIABLE(node) \
 364         for (node = varpool_nodes; node; node = node->next)
 365 #define PROP_loops 0
 366 #define NODE_SYMBOL(node) (node)
 367 #define NODE_DECL(node) (node)->decl
 368 #define INSN_LOCATION(INSN) RTL_LOCATION(INSN)
 369 #define vNULL NULL
 370
 371 static inline int bb_loop_depth(const_basic_block bb)
 372 {
 373         return bb->loop_father ? loop_depth(bb->loop_father) : 0;
 374 }
 375
 376 static inline bool gimple_store_p(gimple gs)
 377 {
 378         tree lhs = gimple_get_lhs(gs);
 379
 380         return lhs && !is_gimple_reg(lhs);
 381 }
 382
 383 static inline void gimple_init_singleton(gimple g __unused)
 384 {
 385 }
 386 #endif
 387
 388 #if BUILDING_GCC_VERSION == 4007 || BUILDING_GCC_VERSION == 4008
 389 static inline struct cgraph_node *cgraph_alias_target(struct cgraph_node *n)
 390 {
 391         return cgraph_alias_aliased_node(n);
 392 }
 393 #endif
 394
 395 #if BUILDING_GCC_VERSION <= 4008
 396 #define ENTRY_BLOCK_PTR_FOR_FN(FN)      ENTRY_BLOCK_PTR_FOR_FUNCTION(FN)
 397 #define EXIT_BLOCK_PTR_FOR_FN(FN)       EXIT_BLOCK_PTR_FOR_FUNCTION(FN)
 398 #define basic_block_info_for_fn(FN)     ((FN)->cfg->x_basic_block_info)
 399 #define n_basic_blocks_for_fn(FN)       ((FN)->cfg->x_n_basic_blocks)
 400 #define n_edges_for_fn(FN)              ((FN)->cfg->x_n_edges)
 401 #define last_basic_block_for_fn(FN)     ((FN)->cfg->x_last_basic_block)
 402 #define label_to_block_map_for_fn(FN)   ((FN)->cfg->x_label_to_block_map)
 403 #define profile_status_for_fn(FN)       ((FN)->cfg->x_profile_status)
 404 #define BASIC_BLOCK_FOR_FN(FN, N)       BASIC_BLOCK_FOR_FUNCTION((FN), (N))
 405 #define NODE_IMPLICIT_ALIAS(node)       (node)->same_body_alias
 406 #define VAR_P(NODE)                     (TREE_CODE(NODE) == VAR_DECL)
 407
 408 static inline bool tree_fits_shwi_p(const_tree t)
 409 {
 410         if (t == NULL_TREE || TREE_CODE(t) != INTEGER_CST)
 411                 return false;
 412
 413         if (TREE_INT_CST_HIGH(t) == 0 && (HOST_WIDE_INT)TREE_INT_CST_LOW(t) >= 0)
 414                 return true;
 415
 416         if (TREE_INT_CST_HIGH(t) == -1 && (HOST_WIDE_INT)TREE_INT_CST_LOW(t) < 0 && !TYPE_UNSIGNED(TREE_TYPE(t)))
 417                 return true;
 418
 419         return false;
 420 }
 421
 422 static inline bool tree_fits_uhwi_p(const_tree t)
 423 {
 424         if (t == NULL_TREE || TREE_CODE(t) != INTEGER_CST)
 425                 return false;
 426
 427         return TREE_INT_CST_HIGH(t) == 0;
 428 }
 429
 430 static inline HOST_WIDE_INT tree_to_shwi(const_tree t)
 431 {
 432         gcc_assert(tree_fits_shwi_p(t));
 433         return TREE_INT_CST_LOW(t);
 434 }
 435
 436 static inline unsigned HOST_WIDE_INT tree_to_uhwi(const_tree t)
 437 {
 438         gcc_assert(tree_fits_uhwi_p(t));
 439         return TREE_INT_CST_LOW(t);
 440 }
 441
 442 static inline const char *get_tree_code_name(enum tree_code code)
 443 {
 444         gcc_assert(code < MAX_TREE_CODES);
 445         return tree_code_name[code];
 446 }
 447
 448 #define ipa_remove_stmt_references(cnode, stmt)
 449
 450 typedef union gimple_statement_d gasm;
 451 typedef union gimple_statement_d gassign;
 452 typedef union gimple_statement_d gcall;
 453 typedef union gimple_statement_d gcond;
 454 typedef union gimple_statement_d gdebug;
 455 typedef union gimple_statement_d ggoto;
 456 typedef union gimple_statement_d gphi;
 457 typedef union gimple_statement_d greturn;
 458
 459 static inline gasm *as_a_gasm(gimple stmt)
 460 {
 461         return stmt;
 462 }
 463
 464 static inline const gasm *as_a_const_gasm(const_gimple stmt)
 465 {
 466         return stmt;
 467 }
 468
 469 static inline gassign *as_a_gassign(gimple stmt)
 470 {
 471         return stmt;
 472 }
 473
 474 static inline const gassign *as_a_const_gassign(const_gimple stmt)
 475 {
 476         return stmt;
 477 }
 478
 479 static inline gcall *as_a_gcall(gimple stmt)
 480 {
 481         return stmt;
 482 }
 483
 484 static inline const gcall *as_a_const_gcall(const_gimple stmt)
 485 {
 486         return stmt;
 487 }
 488
 489 static inline gcond *as_a_gcond(gimple stmt)
 490 {
 491         return stmt;
 492 }
 493
 494 static inline const gcond *as_a_const_gcond(const_gimple stmt)
 495 {
 496         return stmt;
 497 }
 498
 499 static inline gdebug *as_a_gdebug(gimple stmt)
 500 {
 501         return stmt;
 502 }
 503
 504 static inline const gdebug *as_a_const_gdebug(const_gimple stmt)
 505 {
 506         return stmt;
 507 }
 508
 509 static inline ggoto *as_a_ggoto(gimple stmt)
 510 {
 511         return stmt;
 512 }
 513
 514 static inline const ggoto *as_a_const_ggoto(const_gimple stmt)
 515 {
 516         return stmt;
 517 }
 518
 519 static inline gphi *as_a_gphi(gimple stmt)
 520 {
 521         return stmt;
 522 }
 523
 524 static inline const gphi *as_a_const_gphi(const_gimple stmt)
 525 {
 526         return stmt;
 527 }
 528
 529 static inline greturn *as_a_greturn(gimple stmt)
 530 {
 531         return stmt;
 532 }
 533
 534 static inline const greturn *as_a_const_greturn(const_gimple stmt)
 535 {
 536         return stmt;
 537 }
 538 #endif
 539
 540 #if BUILDING_GCC_VERSION == 4008
 541 #define NODE_SYMBOL(node) (&(node)->symbol)
 542 #define NODE_DECL(node) (node)->symbol.decl
 543 #endif
 544
 545 #if BUILDING_GCC_VERSION >= 4008
 546 #define add_referenced_var(var)
 547 #define mark_sym_for_renaming(var)
 548 #define varpool_mark_needed_node(node)
 549 #define create_var_ann(var)
 550 #define TODO_dump_func 0
 551 #define TODO_dump_cgraph 0
 552 #endif
 553
 554 #if BUILDING_GCC_VERSION <= 4009
 555 #define TODO_verify_il 0
 556 #define AVAIL_INTERPOSABLE AVAIL_OVERWRITABLE
 557
 558 #define section_name_prefix LTO_SECTION_NAME_PREFIX
 559 #define fatal_error(loc, gmsgid, ...) fatal_error((gmsgid), __VA_ARGS__)
 560
 561 rtx emit_move_insn(rtx x, rtx y);
 562
 563 typedef struct rtx_def rtx_insn;
 564
 565 static inline const char *get_decl_section_name(const_tree decl)
 566 {
 567         if (DECL_SECTION_NAME(decl) == NULL_TREE)
 568                 return NULL;
 569
 570         return TREE_STRING_POINTER(DECL_SECTION_NAME(decl));
 571 }
 572
 573 static inline void set_decl_section_name(tree node, const char *value)
 574 {
 575         if (value)
 576                 DECL_SECTION_NAME(node) = build_string(strlen(value) + 1, value);
 577         else
 578                 DECL_SECTION_NAME(node) = NULL;
 579 }
 580 #endif
 581
 582 #if BUILDING_GCC_VERSION == 4009
 583 typedef struct gimple_statement_asm gasm;
 584 typedef struct gimple_statement_base gassign;
 585 typedef struct gimple_statement_call gcall;
 586 typedef struct gimple_statement_base gcond;
 587 typedef struct gimple_statement_base gdebug;
 588 typedef struct gimple_statement_base ggoto;
 589 typedef struct gimple_statement_phi gphi;
 590 typedef struct gimple_statement_base greturn;
 591
 592 static inline gasm *as_a_gasm(gimple stmt)
 593 {
 594         return as_a<gasm>(stmt);
 595 }
 596
 597 static inline const gasm *as_a_const_gasm(const_gimple stmt)
 598 {
 599         return as_a<const gasm>(stmt);
 600 }
 601
 602 static inline gassign *as_a_gassign(gimple stmt)
 603 {
 604         return stmt;
 605 }
 606
 607 static inline const gassign *as_a_const_gassign(const_gimple stmt)
 608 {
 609         return stmt;
 610 }
 611
 612 static inline gcall *as_a_gcall(gimple stmt)
 613 {
 614         return as_a<gcall>(stmt);
 615 }
 616
 617 static inline const gcall *as_a_const_gcall(const_gimple stmt)
 618 {
 619         return as_a<const gcall>(stmt);
 620 }
 621
 622 static inline gcond *as_a_gcond(gimple stmt)
 623 {
 624         return stmt;
 625 }
 626
 627 static inline const gcond *as_a_const_gcond(const_gimple stmt)
 628 {
 629         return stmt;
 630 }
 631
 632 static inline gdebug *as_a_gdebug(gimple stmt)
 633 {
 634         return stmt;
 635 }
 636
 637 static inline const gdebug *as_a_const_gdebug(const_gimple stmt)
 638 {
 639         return stmt;
 640 }
 641
 642 static inline ggoto *as_a_ggoto(gimple stmt)
 643 {
 644         return stmt;
 645 }
 646
 647 static inline const ggoto *as_a_const_ggoto(const_gimple stmt)
 648 {
 649         return stmt;
 650 }
 651
 652 static inline gphi *as_a_gphi(gimple stmt)
 653 {
 654         return as_a<gphi>(stmt);
 655 }
 656
 657 static inline const gphi *as_a_const_gphi(const_gimple stmt)
 658 {
 659         return as_a<const gphi>(stmt);
 660 }
 661
 662 static inline greturn *as_a_greturn(gimple stmt)
 663 {
 664         return stmt;
 665 }
 666
 667 static inline const greturn *as_a_const_greturn(const_gimple stmt)
 668 {
 669         return stmt;
 670 }
 671 #endif
 672
 673 #if BUILDING_GCC_VERSION >= 4009
 674 #define TODO_ggc_collect 0
 675 #define NODE_SYMBOL(node) (node)
 676 #define NODE_DECL(node) (node)->decl
 677 #define cgraph_node_name(node) (node)->name()
 678 #define NODE_IMPLICIT_ALIAS(node) (node)->cpp_implicit_alias
 679
 680 static inline opt_pass *get_pass_for_id(int id)
 681 {
 682         return g->get_passes()->get_pass_for_id(id);
 683 }
 684 #endif
 685
 686 #if BUILDING_GCC_VERSION >= 5000 && BUILDING_GCC_VERSION < 6000
 687 /* gimple related */
 688 template <>
 689 template <>
 690 inline bool is_a_helper<const gassign *>::test(const_gimple gs)
 691 {
 692         return gs->code == GIMPLE_ASSIGN;
 693 }
 694 #endif
 695
 696 #if BUILDING_GCC_VERSION >= 5000
 697 #define TODO_verify_ssa TODO_verify_il
 698 #define TODO_verify_flow TODO_verify_il
 699 #define TODO_verify_stmts TODO_verify_il
 700 #define TODO_verify_rtl_sharing TODO_verify_il
 701
 702 #define INSN_DELETED_P(insn) (insn)->deleted()
 703
 704 static inline const char *get_decl_section_name(const_tree decl)
 705 {
 706         return DECL_SECTION_NAME(decl);
 707 }
 708
 709 /* symtab/cgraph related */
 710 #define debug_cgraph_node(node) (node)->debug()
 711 #define cgraph_get_node(decl) cgraph_node::get(decl)
 712 #define cgraph_get_create_node(decl) cgraph_node::get_create(decl)
 713 #define cgraph_create_node(decl) cgraph_node::create(decl)
 714 #define cgraph_n_nodes symtab->cgraph_count
 715 #define cgraph_max_uid symtab->cgraph_max_uid
 716 #define varpool_get_node(decl) varpool_node::get(decl)
 717 #define dump_varpool_node(file, node) (node)->dump(file)
 718
 719 #if BUILDING_GCC_VERSION >= 8000
 720 #define cgraph_create_edge(caller, callee, call_stmt, count, freq) \
 721         (caller)->create_edge((callee), (call_stmt), (count))
 722
 723 #define cgraph_create_edge_including_clones(caller, callee,     \
 724                 old_call_stmt, call_stmt, count, freq, reason)  \
 725         (caller)->create_edge_including_clones((callee),        \
 726                 (old_call_stmt), (call_stmt), (count), (reason))
 727 #else
 728 #define cgraph_create_edge(caller, callee, call_stmt, count, freq) \
 729         (caller)->create_edge((callee), (call_stmt), (count), (freq))
 730
 731 #define cgraph_create_edge_including_clones(caller, callee,     \
 732                 old_call_stmt, call_stmt, count, freq, reason)  \
 733         (caller)->create_edge_including_clones((callee),        \
 734                 (old_call_stmt), (call_stmt), (count), (freq), (reason))
 735 #endif
 736
 737 typedef struct cgraph_node *cgraph_node_ptr;
 738 typedef struct cgraph_edge *cgraph_edge_p;
 739 typedef struct varpool_node *varpool_node_ptr;
 740
 741 static inline void change_decl_assembler_name(tree decl, tree name)
 742 {
 743         symtab->change_decl_assembler_name(decl, name);
 744 }
 745
 746 static inline void varpool_finalize_decl(tree decl)
 747 {
 748         varpool_node::finalize_decl(decl);
 749 }
 750
 751 static inline void varpool_add_new_variable(tree decl)
 752 {
 753         varpool_node::add(decl);
 754 }
 755
 756 static inline unsigned int rebuild_cgraph_edges(void)
 757 {
 758         return cgraph_edge::rebuild_edges();
 759 }
 760
 761 static inline cgraph_node_ptr cgraph_function_node(cgraph_node_ptr node, enum availability *availability)
 762 {
 763         return node->function_symbol(availability);
 764 }
 765
 766 static inline cgraph_node_ptr cgraph_function_or_thunk_node(cgraph_node_ptr node, enum availability *availability = NULL)
 767 {
 768         return node->ultimate_alias_target(availability);
 769 }
 770
 771 static inline bool cgraph_only_called_directly_p(cgraph_node_ptr node)
 772 {
 773         return node->only_called_directly_p();
 774 }
 775
 776 static inline enum availability cgraph_function_body_availability(cgraph_node_ptr node)
 777 {
 778         return node->get_availability();
 779 }
 780
 781 static inline cgraph_node_ptr cgraph_alias_target(cgraph_node_ptr node)
 782 {
 783         return node->get_alias_target();
 784 }
 785
 786 static inline bool cgraph_for_node_and_aliases(cgraph_node_ptr node, bool (*callback)(cgraph_node_ptr, void *), void *data, bool include_overwritable)
 787 {
 788         return node->call_for_symbol_thunks_and_aliases(callback, data, include_overwritable);
 789 }
 790
 791 static inline struct cgraph_node_hook_list *cgraph_add_function_insertion_hook(cgraph_node_hook hook, void *data)
 792 {
 793         return symtab->add_cgraph_insertion_hook(hook, data);
 794 }
 795
 796 static inline void cgraph_remove_function_insertion_hook(struct cgraph_node_hook_list *entry)
 797 {
 798         symtab->remove_cgraph_insertion_hook(entry);
 799 }
 800
 801 static inline struct cgraph_node_hook_list *cgraph_add_node_removal_hook(cgraph_node_hook hook, void *data)
 802 {
 803         return symtab->add_cgraph_removal_hook(hook, data);
 804 }
 805
 806 static inline void cgraph_remove_node_removal_hook(struct cgraph_node_hook_list *entry)
 807 {
 808         symtab->remove_cgraph_removal_hook(entry);
 809 }
 810
 811 static inline struct cgraph_2node_hook_list *cgraph_add_node_duplication_hook(cgraph_2node_hook hook, void *data)
 812 {
 813         return symtab->add_cgraph_duplication_hook(hook, data);
 814 }
 815
 816 static inline void cgraph_remove_node_duplication_hook(struct cgraph_2node_hook_list *entry)
 817 {
 818         symtab->remove_cgraph_duplication_hook(entry);
 819 }
 820
 821 static inline void cgraph_call_node_duplication_hooks(cgraph_node_ptr node, cgraph_node_ptr node2)
 822 {
 823         symtab->call_cgraph_duplication_hooks(node, node2);
 824 }
 825
 826 static inline void cgraph_call_edge_duplication_hooks(cgraph_edge *cs1, cgraph_edge *cs2)
 827 {
 828         symtab->call_edge_duplication_hooks(cs1, cs2);
 829 }
 830
 831 #if BUILDING_GCC_VERSION >= 6000
 832 typedef gimple *gimple_ptr;
 833 typedef const gimple *const_gimple_ptr;
 834 #define gimple gimple_ptr
 835 #define const_gimple const_gimple_ptr
 836 #undef CONST_CAST_GIMPLE
 837 #define CONST_CAST_GIMPLE(X) CONST_CAST(gimple, (X))
 838 #endif
 839
 840 /* gimple related */
 841 static inline gimple gimple_build_assign_with_ops(enum tree_code subcode, tree lhs, tree op1, tree op2 MEM_STAT_DECL)
 842 {
 843         return gimple_build_assign(lhs, subcode, op1, op2 PASS_MEM_STAT);
 844 }
 845
 846 template <>
 847 template <>
 848 inline bool is_a_helper<const ggoto *>::test(const_gimple gs)
 849 {
 850         return gs->code == GIMPLE_GOTO;
 851 }
 852
 853 template <>
 854 template <>
 855 inline bool is_a_helper<const greturn *>::test(const_gimple gs)
 856 {
 857         return gs->code == GIMPLE_RETURN;
 858 }
 859
 860 static inline gasm *as_a_gasm(gimple stmt)
 861 {
 862         return as_a<gasm *>(stmt);
 863 }
 864
 865 static inline const gasm *as_a_const_gasm(const_gimple stmt)
 866 {
 867         return as_a<const gasm *>(stmt);
 868 }
 869
 870 static inline gassign *as_a_gassign(gimple stmt)
 871 {
 872         return as_a<gassign *>(stmt);
 873 }
 874
 875 static inline const gassign *as_a_const_gassign(const_gimple stmt)
 876 {
 877         return as_a<const gassign *>(stmt);
 878 }
 879
 880 static inline gcall *as_a_gcall(gimple stmt)
 881 {
 882         return as_a<gcall *>(stmt);
 883 }
 884
 885 static inline const gcall *as_a_const_gcall(const_gimple stmt)
 886 {
 887         return as_a<const gcall *>(stmt);
 888 }
 889
 890 static inline ggoto *as_a_ggoto(gimple stmt)
 891 {
 892         return as_a<ggoto *>(stmt);
 893 }
 894
 895 static inline const ggoto *as_a_const_ggoto(const_gimple stmt)
 896 {
 897         return as_a<const ggoto *>(stmt);
 898 }
 899
 900 static inline gphi *as_a_gphi(gimple stmt)
 901 {
 902         return as_a<gphi *>(stmt);
 903 }
 904
 905 static inline const gphi *as_a_const_gphi(const_gimple stmt)
 906 {
 907         return as_a<const gphi *>(stmt);
 908 }
 909
 910 static inline greturn *as_a_greturn(gimple stmt)
 911 {
 912         return as_a<greturn *>(stmt);
 913 }
 914
 915 static inline const greturn *as_a_const_greturn(const_gimple stmt)
 916 {
 917         return as_a<const greturn *>(stmt);
 918 }
 919
 920 /* IPA/LTO related */
 921 #define ipa_ref_list_referring_iterate(L, I, P) \
 922         (L)->referring.iterate((I), &(P))
 923 #define ipa_ref_list_reference_iterate(L, I, P) \
 924         (L)->reference.iterate((I), &(P))
 925
 926 static inline cgraph_node_ptr ipa_ref_referring_node(struct ipa_ref *ref)
 927 {
 928         return dyn_cast<cgraph_node_ptr>(ref->referring);
 929 }
 930
 931 static inline void ipa_remove_stmt_references(symtab_node *referring_node, gimple stmt)
 932 {
 933         referring_node->remove_stmt_references(stmt);
 934 }
 935 #endif
 936
 937 #if BUILDING_GCC_VERSION < 6000
 938 #define get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep, keep_aligning)   \
 939         get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, pvolatilep, keep_aligning)
 940 #define gen_rtx_set(ARG0, ARG1) gen_rtx_SET(VOIDmode, (ARG0), (ARG1))
 941 #endif
 942
 943 #if BUILDING_GCC_VERSION >= 6000
 944 #define gen_rtx_set(ARG0, ARG1) gen_rtx_SET((ARG0), (ARG1))
 945 #endif
 946
 947 #ifdef __cplusplus
 948 static inline void debug_tree(const_tree t)
 949 {
 950         debug_tree(CONST_CAST_TREE(t));
 951 }
 952
 953 static inline void debug_gimple_stmt(const_gimple s)
 954 {
 955         debug_gimple_stmt(CONST_CAST_GIMPLE(s));
 956 }
 957 #else
 958 #define debug_tree(t) debug_tree(CONST_CAST_TREE(t))
 959 #define debug_gimple_stmt(s) debug_gimple_stmt(CONST_CAST_GIMPLE(s))
 960 #endif
 961
 962 #if BUILDING_GCC_VERSION >= 7000
 963 #define get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep, keep_aligning)   \
 964         get_inner_reference(exp, pbitsize, pbitpos, poffset, pmode, punsignedp, preversep, pvolatilep)
 965 #endif
 966
 967 #if BUILDING_GCC_VERSION < 7000
 968 #define SET_DECL_ALIGN(decl, align)     DECL_ALIGN(decl) = (align)
 969 #define SET_DECL_MODE(decl, mode)       DECL_MODE(decl) = (mode)
 970 #endif
 971
 972 #endif