gimple.h revision 1.1
1/* Gimple IR definitions. 2 3 Copyright 2007, 2008, 2009, 2010 Free Software Foundation, Inc. 4 Contributed by Aldy Hernandez <aldyh@redhat.com> 5 6This file is part of GCC. 7 8GCC is free software; you can redistribute it and/or modify it under 9the terms of the GNU General Public License as published by the Free 10Software Foundation; either version 3, or (at your option) any later 11version. 12 13GCC is distributed in the hope that it will be useful, but WITHOUT ANY 14WARRANTY; without even the implied warranty of MERCHANTABILITY or 15FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 16for more details. 17 18You should have received a copy of the GNU General Public License 19along with GCC; see the file COPYING3. If not see 20<http://www.gnu.org/licenses/>. */ 21 22#ifndef GCC_GIMPLE_H 23#define GCC_GIMPLE_H 24 25#include "pointer-set.h" 26#include "vec.h" 27#include "ggc.h" 28#include "tm.h" 29#include "hard-reg-set.h" 30#include "basic-block.h" 31#include "tree-ssa-operands.h" 32 33DEF_VEC_P(gimple); 34DEF_VEC_ALLOC_P(gimple,heap); 35DEF_VEC_ALLOC_P(gimple,gc); 36 37typedef gimple *gimple_p; 38DEF_VEC_P(gimple_p); 39DEF_VEC_ALLOC_P(gimple_p,heap); 40 41DEF_VEC_P(gimple_seq); 42DEF_VEC_ALLOC_P(gimple_seq,gc); 43DEF_VEC_ALLOC_P(gimple_seq,heap); 44 45/* For each block, the PHI nodes that need to be rewritten are stored into 46 these vectors. */ 47typedef VEC(gimple, heap) *gimple_vec; 48DEF_VEC_P (gimple_vec); 49DEF_VEC_ALLOC_P (gimple_vec, heap); 50 51enum gimple_code { 52#define DEFGSCODE(SYM, STRING, STRUCT) SYM, 53#include "gimple.def" 54#undef DEFGSCODE 55 LAST_AND_UNUSED_GIMPLE_CODE 56}; 57 58extern const char *const gimple_code_name[]; 59extern const unsigned char gimple_rhs_class_table[]; 60 61/* Error out if a gimple tuple is addressed incorrectly. */ 62#if defined ENABLE_GIMPLE_CHECKING 63extern void gimple_check_failed (const_gimple, const char *, int, \ 64 const char *, enum gimple_code, \ 65 enum tree_code) ATTRIBUTE_NORETURN; 66 67#define GIMPLE_CHECK(GS, CODE) \ 68 do { \ 69 const_gimple __gs = (GS); \ 70 if (gimple_code (__gs) != (CODE)) \ 71 gimple_check_failed (__gs, __FILE__, __LINE__, __FUNCTION__, \ 72 (CODE), ERROR_MARK); \ 73 } while (0) 74#else /* not ENABLE_GIMPLE_CHECKING */ 75#define GIMPLE_CHECK(GS, CODE) (void)0 76#endif 77 78/* Class of GIMPLE expressions suitable for the RHS of assignments. See 79 get_gimple_rhs_class. */ 80enum gimple_rhs_class 81{ 82 GIMPLE_INVALID_RHS, /* The expression cannot be used on the RHS. */ 83 GIMPLE_BINARY_RHS, /* The expression is a binary operation. */ 84 GIMPLE_UNARY_RHS, /* The expression is a unary operation. */ 85 GIMPLE_SINGLE_RHS /* The expression is a single object (an SSA 86 name, a _DECL, a _REF, etc. */ 87}; 88 89/* Specific flags for individual GIMPLE statements. These flags are 90 always stored in gimple_statement_base.subcode and they may only be 91 defined for statement codes that do not use sub-codes. 92 93 Values for the masks can overlap as long as the overlapping values 94 are never used in the same statement class. 95 96 The maximum mask value that can be defined is 1 << 15 (i.e., each 97 statement code can hold up to 16 bitflags). 98 99 Keep this list sorted. */ 100enum gf_mask { 101 GF_ASM_INPUT = 1 << 0, 102 GF_ASM_VOLATILE = 1 << 1, 103 GF_CALL_CANNOT_INLINE = 1 << 0, 104 GF_CALL_FROM_THUNK = 1 << 1, 105 GF_CALL_RETURN_SLOT_OPT = 1 << 2, 106 GF_CALL_TAILCALL = 1 << 3, 107 GF_CALL_VA_ARG_PACK = 1 << 4, 108 GF_CALL_NOTHROW = 1 << 5, 109 GF_OMP_PARALLEL_COMBINED = 1 << 0, 110 111 /* True on an GIMPLE_OMP_RETURN statement if the return does not require 112 a thread synchronization via some sort of barrier. The exact barrier 113 that would otherwise be emitted is dependent on the OMP statement with 114 which this return is associated. */ 115 GF_OMP_RETURN_NOWAIT = 1 << 0, 116 117 GF_OMP_SECTION_LAST = 1 << 0, 118 GF_PREDICT_TAKEN = 1 << 15 119}; 120 121/* Currently, there's only one type of gimple debug stmt. Others are 122 envisioned, for example, to enable the generation of is_stmt notes 123 in line number information, to mark sequence points, etc. This 124 subcode is to be used to tell them apart. */ 125enum gimple_debug_subcode { 126 GIMPLE_DEBUG_BIND = 0 127}; 128 129/* Masks for selecting a pass local flag (PLF) to work on. These 130 masks are used by gimple_set_plf and gimple_plf. */ 131enum plf_mask { 132 GF_PLF_1 = 1 << 0, 133 GF_PLF_2 = 1 << 1 134}; 135 136/* A node in a gimple_seq_d. */ 137struct GTY((chain_next ("%h.next"), chain_prev ("%h.prev"))) gimple_seq_node_d { 138 gimple stmt; 139 struct gimple_seq_node_d *prev; 140 struct gimple_seq_node_d *next; 141}; 142 143/* A double-linked sequence of gimple statements. */ 144struct GTY ((chain_next ("%h.next_free"))) gimple_seq_d { 145 /* First and last statements in the sequence. */ 146 gimple_seq_node first; 147 gimple_seq_node last; 148 149 /* Sequences are created/destroyed frequently. To minimize 150 allocation activity, deallocated sequences are kept in a pool of 151 available sequences. This is the pointer to the next free 152 sequence in the pool. */ 153 gimple_seq next_free; 154}; 155 156 157/* Return the first node in GIMPLE sequence S. */ 158 159static inline gimple_seq_node 160gimple_seq_first (const_gimple_seq s) 161{ 162 return s ? s->first : NULL; 163} 164 165 166/* Return the first statement in GIMPLE sequence S. */ 167 168static inline gimple 169gimple_seq_first_stmt (const_gimple_seq s) 170{ 171 gimple_seq_node n = gimple_seq_first (s); 172 return (n) ? n->stmt : NULL; 173} 174 175 176/* Return the last node in GIMPLE sequence S. */ 177 178static inline gimple_seq_node 179gimple_seq_last (const_gimple_seq s) 180{ 181 return s ? s->last : NULL; 182} 183 184 185/* Return the last statement in GIMPLE sequence S. */ 186 187static inline gimple 188gimple_seq_last_stmt (const_gimple_seq s) 189{ 190 gimple_seq_node n = gimple_seq_last (s); 191 return (n) ? n->stmt : NULL; 192} 193 194 195/* Set the last node in GIMPLE sequence S to LAST. */ 196 197static inline void 198gimple_seq_set_last (gimple_seq s, gimple_seq_node last) 199{ 200 s->last = last; 201} 202 203 204/* Set the first node in GIMPLE sequence S to FIRST. */ 205 206static inline void 207gimple_seq_set_first (gimple_seq s, gimple_seq_node first) 208{ 209 s->first = first; 210} 211 212 213/* Return true if GIMPLE sequence S is empty. */ 214 215static inline bool 216gimple_seq_empty_p (const_gimple_seq s) 217{ 218 return s == NULL || s->first == NULL; 219} 220 221 222void gimple_seq_add_stmt (gimple_seq *, gimple); 223 224/* Link gimple statement GS to the end of the sequence *SEQ_P. If 225 *SEQ_P is NULL, a new sequence is allocated. This function is 226 similar to gimple_seq_add_stmt, but does not scan the operands. 227 During gimplification, we need to manipulate statement sequences 228 before the def/use vectors have been constructed. */ 229void gimplify_seq_add_stmt (gimple_seq *, gimple); 230 231/* Allocate a new sequence and initialize its first element with STMT. */ 232 233static inline gimple_seq 234gimple_seq_alloc_with_stmt (gimple stmt) 235{ 236 gimple_seq seq = NULL; 237 gimple_seq_add_stmt (&seq, stmt); 238 return seq; 239} 240 241 242/* Returns the sequence of statements in BB. */ 243 244static inline gimple_seq 245bb_seq (const_basic_block bb) 246{ 247 return (!(bb->flags & BB_RTL) && bb->il.gimple) ? bb->il.gimple->seq : NULL; 248} 249 250 251/* Sets the sequence of statements in BB to SEQ. */ 252 253static inline void 254set_bb_seq (basic_block bb, gimple_seq seq) 255{ 256 gcc_assert (!(bb->flags & BB_RTL)); 257 bb->il.gimple->seq = seq; 258} 259 260/* Iterator object for GIMPLE statement sequences. */ 261 262typedef struct 263{ 264 /* Sequence node holding the current statement. */ 265 gimple_seq_node ptr; 266 267 /* Sequence and basic block holding the statement. These fields 268 are necessary to handle edge cases such as when statement is 269 added to an empty basic block or when the last statement of a 270 block/sequence is removed. */ 271 gimple_seq seq; 272 basic_block bb; 273} gimple_stmt_iterator; 274 275 276/* Data structure definitions for GIMPLE tuples. NOTE: word markers 277 are for 64 bit hosts. */ 278 279struct GTY(()) gimple_statement_base { 280 /* [ WORD 1 ] 281 Main identifying code for a tuple. */ 282 ENUM_BITFIELD(gimple_code) code : 8; 283 284 /* Nonzero if a warning should not be emitted on this tuple. */ 285 unsigned int no_warning : 1; 286 287 /* Nonzero if this tuple has been visited. Passes are responsible 288 for clearing this bit before using it. */ 289 unsigned int visited : 1; 290 291 /* Nonzero if this tuple represents a non-temporal move. */ 292 unsigned int nontemporal_move : 1; 293 294 /* Pass local flags. These flags are free for any pass to use as 295 they see fit. Passes should not assume that these flags contain 296 any useful value when the pass starts. Any initial state that 297 the pass requires should be set on entry to the pass. See 298 gimple_set_plf and gimple_plf for usage. */ 299 unsigned int plf : 2; 300 301 /* Nonzero if this statement has been modified and needs to have its 302 operands rescanned. */ 303 unsigned modified : 1; 304 305 /* Nonzero if this statement contains volatile operands. */ 306 unsigned has_volatile_ops : 1; 307 308 /* Padding to get subcode to 16 bit alignment. */ 309 unsigned pad : 1; 310 311 /* The SUBCODE field can be used for tuple-specific flags for tuples 312 that do not require subcodes. Note that SUBCODE should be at 313 least as wide as tree codes, as several tuples store tree codes 314 in there. */ 315 unsigned int subcode : 16; 316 317 /* UID of this statement. This is used by passes that want to 318 assign IDs to statements. It must be assigned and used by each 319 pass. By default it should be assumed to contain garbage. */ 320 unsigned uid; 321 322 /* [ WORD 2 ] 323 Locus information for debug info. */ 324 location_t location; 325 326 /* Number of operands in this tuple. */ 327 unsigned num_ops; 328 329 /* [ WORD 3 ] 330 Basic block holding this statement. */ 331 struct basic_block_def *bb; 332 333 /* [ WORD 4 ] 334 Lexical block holding this statement. */ 335 tree block; 336}; 337 338 339/* Base structure for tuples with operands. */ 340 341struct GTY(()) gimple_statement_with_ops_base 342{ 343 /* [ WORD 1-4 ] */ 344 struct gimple_statement_base gsbase; 345 346 /* [ WORD 5-6 ] 347 SSA operand vectors. NOTE: It should be possible to 348 amalgamate these vectors with the operand vector OP. However, 349 the SSA operand vectors are organized differently and contain 350 more information (like immediate use chaining). */ 351 struct def_optype_d GTY((skip (""))) *def_ops; 352 struct use_optype_d GTY((skip (""))) *use_ops; 353}; 354 355 356/* Statements that take register operands. */ 357 358struct GTY(()) gimple_statement_with_ops 359{ 360 /* [ WORD 1-6 ] */ 361 struct gimple_statement_with_ops_base opbase; 362 363 /* [ WORD 7 ] 364 Operand vector. NOTE! This must always be the last field 365 of this structure. In particular, this means that this 366 structure cannot be embedded inside another one. */ 367 tree GTY((length ("%h.opbase.gsbase.num_ops"))) op[1]; 368}; 369 370 371/* Base for statements that take both memory and register operands. */ 372 373struct GTY(()) gimple_statement_with_memory_ops_base 374{ 375 /* [ WORD 1-6 ] */ 376 struct gimple_statement_with_ops_base opbase; 377 378 /* [ WORD 7-8 ] 379 Virtual operands for this statement. The GC will pick them 380 up via the ssa_names array. */ 381 tree GTY((skip (""))) vdef; 382 tree GTY((skip (""))) vuse; 383}; 384 385 386/* Statements that take both memory and register operands. */ 387 388struct GTY(()) gimple_statement_with_memory_ops 389{ 390 /* [ WORD 1-8 ] */ 391 struct gimple_statement_with_memory_ops_base membase; 392 393 /* [ WORD 9 ] 394 Operand vector. NOTE! This must always be the last field 395 of this structure. In particular, this means that this 396 structure cannot be embedded inside another one. */ 397 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1]; 398}; 399 400 401/* OpenMP statements (#pragma omp). */ 402 403struct GTY(()) gimple_statement_omp { 404 /* [ WORD 1-4 ] */ 405 struct gimple_statement_base gsbase; 406 407 /* [ WORD 5 ] */ 408 gimple_seq body; 409}; 410 411 412/* GIMPLE_BIND */ 413 414struct GTY(()) gimple_statement_bind { 415 /* [ WORD 1-4 ] */ 416 struct gimple_statement_base gsbase; 417 418 /* [ WORD 5 ] 419 Variables declared in this scope. */ 420 tree vars; 421 422 /* [ WORD 6 ] 423 This is different than the BLOCK field in gimple_statement_base, 424 which is analogous to TREE_BLOCK (i.e., the lexical block holding 425 this statement). This field is the equivalent of BIND_EXPR_BLOCK 426 in tree land (i.e., the lexical scope defined by this bind). See 427 gimple-low.c. */ 428 tree block; 429 430 /* [ WORD 7 ] */ 431 gimple_seq body; 432}; 433 434 435/* GIMPLE_CATCH */ 436 437struct GTY(()) gimple_statement_catch { 438 /* [ WORD 1-4 ] */ 439 struct gimple_statement_base gsbase; 440 441 /* [ WORD 5 ] */ 442 tree types; 443 444 /* [ WORD 6 ] */ 445 gimple_seq handler; 446}; 447 448 449/* GIMPLE_EH_FILTER */ 450 451struct GTY(()) gimple_statement_eh_filter { 452 /* [ WORD 1-4 ] */ 453 struct gimple_statement_base gsbase; 454 455 /* [ WORD 5 ] 456 Filter types. */ 457 tree types; 458 459 /* [ WORD 6 ] 460 Failure actions. */ 461 gimple_seq failure; 462}; 463 464 465/* GIMPLE_EH_MUST_NOT_THROW */ 466 467struct GTY(()) gimple_statement_eh_mnt { 468 /* [ WORD 1-4 ] */ 469 struct gimple_statement_base gsbase; 470 471 /* [ WORD 5 ] Abort function decl. */ 472 tree fndecl; 473}; 474 475/* GIMPLE_PHI */ 476 477struct GTY(()) gimple_statement_phi { 478 /* [ WORD 1-4 ] */ 479 struct gimple_statement_base gsbase; 480 481 /* [ WORD 5 ] */ 482 unsigned capacity; 483 unsigned nargs; 484 485 /* [ WORD 6 ] */ 486 tree result; 487 488 /* [ WORD 7 ] */ 489 struct phi_arg_d GTY ((length ("%h.nargs"))) args[1]; 490}; 491 492 493/* GIMPLE_RESX, GIMPLE_EH_DISPATCH */ 494 495struct GTY(()) gimple_statement_eh_ctrl 496{ 497 /* [ WORD 1-4 ] */ 498 struct gimple_statement_base gsbase; 499 500 /* [ WORD 5 ] 501 Exception region number. */ 502 int region; 503}; 504 505 506/* GIMPLE_TRY */ 507 508struct GTY(()) gimple_statement_try { 509 /* [ WORD 1-4 ] */ 510 struct gimple_statement_base gsbase; 511 512 /* [ WORD 5 ] 513 Expression to evaluate. */ 514 gimple_seq eval; 515 516 /* [ WORD 6 ] 517 Cleanup expression. */ 518 gimple_seq cleanup; 519}; 520 521/* Kind of GIMPLE_TRY statements. */ 522enum gimple_try_flags 523{ 524 /* A try/catch. */ 525 GIMPLE_TRY_CATCH = 1 << 0, 526 527 /* A try/finally. */ 528 GIMPLE_TRY_FINALLY = 1 << 1, 529 GIMPLE_TRY_KIND = GIMPLE_TRY_CATCH | GIMPLE_TRY_FINALLY, 530 531 /* Analogous to TRY_CATCH_IS_CLEANUP. */ 532 GIMPLE_TRY_CATCH_IS_CLEANUP = 1 << 2 533}; 534 535/* GIMPLE_WITH_CLEANUP_EXPR */ 536 537struct GTY(()) gimple_statement_wce { 538 /* [ WORD 1-4 ] */ 539 struct gimple_statement_base gsbase; 540 541 /* Subcode: CLEANUP_EH_ONLY. True if the cleanup should only be 542 executed if an exception is thrown, not on normal exit of its 543 scope. This flag is analogous to the CLEANUP_EH_ONLY flag 544 in TARGET_EXPRs. */ 545 546 /* [ WORD 5 ] 547 Cleanup expression. */ 548 gimple_seq cleanup; 549}; 550 551 552/* GIMPLE_ASM */ 553 554struct GTY(()) gimple_statement_asm 555{ 556 /* [ WORD 1-8 ] */ 557 struct gimple_statement_with_memory_ops_base membase; 558 559 /* [ WORD 9 ] 560 __asm__ statement. */ 561 const char *string; 562 563 /* [ WORD 10 ] 564 Number of inputs, outputs, clobbers, labels. */ 565 unsigned char ni; 566 unsigned char no; 567 unsigned char nc; 568 unsigned char nl; 569 570 /* [ WORD 11 ] 571 Operand vector. NOTE! This must always be the last field 572 of this structure. In particular, this means that this 573 structure cannot be embedded inside another one. */ 574 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1]; 575}; 576 577/* GIMPLE_OMP_CRITICAL */ 578 579struct GTY(()) gimple_statement_omp_critical { 580 /* [ WORD 1-5 ] */ 581 struct gimple_statement_omp omp; 582 583 /* [ WORD 6 ] 584 Critical section name. */ 585 tree name; 586}; 587 588 589struct GTY(()) gimple_omp_for_iter { 590 /* Condition code. */ 591 enum tree_code cond; 592 593 /* Index variable. */ 594 tree index; 595 596 /* Initial value. */ 597 tree initial; 598 599 /* Final value. */ 600 tree final; 601 602 /* Increment. */ 603 tree incr; 604}; 605 606/* GIMPLE_OMP_FOR */ 607 608struct GTY(()) gimple_statement_omp_for { 609 /* [ WORD 1-5 ] */ 610 struct gimple_statement_omp omp; 611 612 /* [ WORD 6 ] */ 613 tree clauses; 614 615 /* [ WORD 7 ] 616 Number of elements in iter array. */ 617 size_t collapse; 618 619 /* [ WORD 8 ] */ 620 struct gimple_omp_for_iter * GTY((length ("%h.collapse"))) iter; 621 622 /* [ WORD 9 ] 623 Pre-body evaluated before the loop body begins. */ 624 gimple_seq pre_body; 625}; 626 627 628/* GIMPLE_OMP_PARALLEL */ 629 630struct GTY(()) gimple_statement_omp_parallel { 631 /* [ WORD 1-5 ] */ 632 struct gimple_statement_omp omp; 633 634 /* [ WORD 6 ] 635 Clauses. */ 636 tree clauses; 637 638 /* [ WORD 7 ] 639 Child function holding the body of the parallel region. */ 640 tree child_fn; 641 642 /* [ WORD 8 ] 643 Shared data argument. */ 644 tree data_arg; 645}; 646 647 648/* GIMPLE_OMP_TASK */ 649 650struct GTY(()) gimple_statement_omp_task { 651 /* [ WORD 1-8 ] */ 652 struct gimple_statement_omp_parallel par; 653 654 /* [ WORD 9 ] 655 Child function holding firstprivate initialization if needed. */ 656 tree copy_fn; 657 658 /* [ WORD 10-11 ] 659 Size and alignment in bytes of the argument data block. */ 660 tree arg_size; 661 tree arg_align; 662}; 663 664 665/* GIMPLE_OMP_SECTION */ 666/* Uses struct gimple_statement_omp. */ 667 668 669/* GIMPLE_OMP_SECTIONS */ 670 671struct GTY(()) gimple_statement_omp_sections { 672 /* [ WORD 1-5 ] */ 673 struct gimple_statement_omp omp; 674 675 /* [ WORD 6 ] */ 676 tree clauses; 677 678 /* [ WORD 7 ] 679 The control variable used for deciding which of the sections to 680 execute. */ 681 tree control; 682}; 683 684/* GIMPLE_OMP_CONTINUE. 685 686 Note: This does not inherit from gimple_statement_omp, because we 687 do not need the body field. */ 688 689struct GTY(()) gimple_statement_omp_continue { 690 /* [ WORD 1-4 ] */ 691 struct gimple_statement_base gsbase; 692 693 /* [ WORD 5 ] */ 694 tree control_def; 695 696 /* [ WORD 6 ] */ 697 tree control_use; 698}; 699 700/* GIMPLE_OMP_SINGLE */ 701 702struct GTY(()) gimple_statement_omp_single { 703 /* [ WORD 1-5 ] */ 704 struct gimple_statement_omp omp; 705 706 /* [ WORD 6 ] */ 707 tree clauses; 708}; 709 710 711/* GIMPLE_OMP_ATOMIC_LOAD. 712 Note: This is based on gimple_statement_base, not g_s_omp, because g_s_omp 713 contains a sequence, which we don't need here. */ 714 715struct GTY(()) gimple_statement_omp_atomic_load { 716 /* [ WORD 1-4 ] */ 717 struct gimple_statement_base gsbase; 718 719 /* [ WORD 5-6 ] */ 720 tree rhs, lhs; 721}; 722 723/* GIMPLE_OMP_ATOMIC_STORE. 724 See note on GIMPLE_OMP_ATOMIC_LOAD. */ 725 726struct GTY(()) gimple_statement_omp_atomic_store { 727 /* [ WORD 1-4 ] */ 728 struct gimple_statement_base gsbase; 729 730 /* [ WORD 5 ] */ 731 tree val; 732}; 733 734#define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) SYM, 735enum gimple_statement_structure_enum { 736#include "gsstruct.def" 737 LAST_GSS_ENUM 738}; 739#undef DEFGSSTRUCT 740 741 742/* Define the overall contents of a gimple tuple. It may be any of the 743 structures declared above for various types of tuples. */ 744 745union GTY ((desc ("gimple_statement_structure (&%h)"))) gimple_statement_d { 746 struct gimple_statement_base GTY ((tag ("GSS_BASE"))) gsbase; 747 struct gimple_statement_with_ops GTY ((tag ("GSS_WITH_OPS"))) gsops; 748 struct gimple_statement_with_memory_ops_base GTY ((tag ("GSS_WITH_MEM_OPS_BASE"))) gsmembase; 749 struct gimple_statement_with_memory_ops GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem; 750 struct gimple_statement_omp GTY ((tag ("GSS_OMP"))) omp; 751 struct gimple_statement_bind GTY ((tag ("GSS_BIND"))) gimple_bind; 752 struct gimple_statement_catch GTY ((tag ("GSS_CATCH"))) gimple_catch; 753 struct gimple_statement_eh_filter GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter; 754 struct gimple_statement_eh_mnt GTY ((tag ("GSS_EH_MNT"))) gimple_eh_mnt; 755 struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi; 756 struct gimple_statement_eh_ctrl GTY ((tag ("GSS_EH_CTRL"))) gimple_eh_ctrl; 757 struct gimple_statement_try GTY ((tag ("GSS_TRY"))) gimple_try; 758 struct gimple_statement_wce GTY ((tag ("GSS_WCE"))) gimple_wce; 759 struct gimple_statement_asm GTY ((tag ("GSS_ASM"))) gimple_asm; 760 struct gimple_statement_omp_critical GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical; 761 struct gimple_statement_omp_for GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for; 762 struct gimple_statement_omp_parallel GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel; 763 struct gimple_statement_omp_task GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task; 764 struct gimple_statement_omp_sections GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections; 765 struct gimple_statement_omp_single GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single; 766 struct gimple_statement_omp_continue GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue; 767 struct gimple_statement_omp_atomic_load GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load; 768 struct gimple_statement_omp_atomic_store GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store; 769}; 770 771/* In gimple.c. */ 772 773/* Offset in bytes to the location of the operand vector. 774 Zero if there is no operand vector for this tuple structure. */ 775extern size_t const gimple_ops_offset_[]; 776 777/* Map GIMPLE codes to GSS codes. */ 778extern enum gimple_statement_structure_enum const gss_for_code_[]; 779 780/* This variable holds the currently expanded gimple statement for purposes 781 of comminucating the profile info to the builtin expanders. */ 782extern gimple currently_expanding_gimple_stmt; 783 784gimple gimple_build_return (tree); 785 786gimple gimple_build_assign_stat (tree, tree MEM_STAT_DECL); 787#define gimple_build_assign(l,r) gimple_build_assign_stat (l, r MEM_STAT_INFO) 788 789void extract_ops_from_tree (tree, enum tree_code *, tree *, tree *); 790 791gimple gimple_build_assign_with_ops_stat (enum tree_code, tree, tree, 792 tree MEM_STAT_DECL); 793#define gimple_build_assign_with_ops(c,o1,o2,o3) \ 794 gimple_build_assign_with_ops_stat (c, o1, o2, o3 MEM_STAT_INFO) 795 796gimple gimple_build_debug_bind_stat (tree, tree, gimple MEM_STAT_DECL); 797#define gimple_build_debug_bind(var,val,stmt) \ 798 gimple_build_debug_bind_stat ((var), (val), (stmt) MEM_STAT_INFO) 799 800gimple gimple_build_call_vec (tree, VEC(tree, heap) *); 801gimple gimple_build_call (tree, unsigned, ...); 802gimple gimple_build_call_from_tree (tree); 803gimple gimplify_assign (tree, tree, gimple_seq *); 804gimple gimple_build_cond (enum tree_code, tree, tree, tree, tree); 805gimple gimple_build_label (tree label); 806gimple gimple_build_goto (tree dest); 807gimple gimple_build_nop (void); 808gimple gimple_build_bind (tree, gimple_seq, tree); 809gimple gimple_build_asm_vec (const char *, VEC(tree,gc) *, VEC(tree,gc) *, 810 VEC(tree,gc) *, VEC(tree,gc) *); 811gimple gimple_build_catch (tree, gimple_seq); 812gimple gimple_build_eh_filter (tree, gimple_seq); 813gimple gimple_build_eh_must_not_throw (tree); 814gimple gimple_build_try (gimple_seq, gimple_seq, enum gimple_try_flags); 815gimple gimple_build_wce (gimple_seq); 816gimple gimple_build_resx (int); 817gimple gimple_build_eh_dispatch (int); 818gimple gimple_build_switch_nlabels (unsigned, tree, tree); 819gimple gimple_build_switch (unsigned, tree, tree, ...); 820gimple gimple_build_switch_vec (tree, tree, VEC(tree,heap) *); 821gimple gimple_build_omp_parallel (gimple_seq, tree, tree, tree); 822gimple gimple_build_omp_task (gimple_seq, tree, tree, tree, tree, tree, tree); 823gimple gimple_build_omp_for (gimple_seq, tree, size_t, gimple_seq); 824gimple gimple_build_omp_critical (gimple_seq, tree); 825gimple gimple_build_omp_section (gimple_seq); 826gimple gimple_build_omp_continue (tree, tree); 827gimple gimple_build_omp_master (gimple_seq); 828gimple gimple_build_omp_return (bool); 829gimple gimple_build_omp_ordered (gimple_seq); 830gimple gimple_build_omp_sections (gimple_seq, tree); 831gimple gimple_build_omp_sections_switch (void); 832gimple gimple_build_omp_single (gimple_seq, tree); 833gimple gimple_build_cdt (tree, tree); 834gimple gimple_build_omp_atomic_load (tree, tree); 835gimple gimple_build_omp_atomic_store (tree); 836gimple gimple_build_predict (enum br_predictor, enum prediction); 837enum gimple_statement_structure_enum gss_for_assign (enum tree_code); 838void sort_case_labels (VEC(tree,heap) *); 839void gimple_set_body (tree, gimple_seq); 840gimple_seq gimple_body (tree); 841bool gimple_has_body_p (tree); 842gimple_seq gimple_seq_alloc (void); 843void gimple_seq_free (gimple_seq); 844void gimple_seq_add_seq (gimple_seq *, gimple_seq); 845gimple_seq gimple_seq_copy (gimple_seq); 846int gimple_call_flags (const_gimple); 847bool gimple_assign_copy_p (gimple); 848bool gimple_assign_ssa_name_copy_p (gimple); 849bool gimple_assign_single_p (gimple); 850bool gimple_assign_unary_nop_p (gimple); 851void gimple_set_bb (gimple, struct basic_block_def *); 852void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree); 853void gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *, enum tree_code, 854 tree, tree); 855tree gimple_get_lhs (const_gimple); 856void gimple_set_lhs (gimple, tree); 857void gimple_replace_lhs (gimple, tree); 858gimple gimple_copy (gimple); 859bool is_gimple_operand (const_tree); 860void gimple_set_modified (gimple, bool); 861void gimple_cond_get_ops_from_tree (tree, enum tree_code *, tree *, tree *); 862gimple gimple_build_cond_from_tree (tree, tree, tree); 863void gimple_cond_set_condition_from_tree (gimple, tree); 864bool gimple_has_side_effects (const_gimple); 865bool gimple_rhs_has_side_effects (const_gimple); 866bool gimple_could_trap_p (gimple); 867bool gimple_assign_rhs_could_trap_p (gimple); 868void gimple_regimplify_operands (gimple, gimple_stmt_iterator *); 869bool empty_body_p (gimple_seq); 870unsigned get_gimple_rhs_num_ops (enum tree_code); 871#define gimple_alloc(c, n) gimple_alloc_stat (c, n MEM_STAT_INFO) 872gimple gimple_alloc_stat (enum gimple_code, unsigned MEM_STAT_DECL); 873const char *gimple_decl_printable_name (tree, int); 874tree gimple_fold_obj_type_ref (tree, tree); 875 876/* Returns true iff T is a valid GIMPLE statement. */ 877extern bool is_gimple_stmt (tree); 878 879/* Returns true iff TYPE is a valid type for a scalar register variable. */ 880extern bool is_gimple_reg_type (tree); 881/* Returns true iff T is a scalar register variable. */ 882extern bool is_gimple_reg (tree); 883/* Returns true iff T is any sort of variable. */ 884extern bool is_gimple_variable (tree); 885/* Returns true iff T is any sort of symbol. */ 886extern bool is_gimple_id (tree); 887/* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */ 888extern bool is_gimple_min_lval (tree); 889/* Returns true iff T is something whose address can be taken. */ 890extern bool is_gimple_addressable (tree); 891/* Returns true iff T is any valid GIMPLE lvalue. */ 892extern bool is_gimple_lvalue (tree); 893 894/* Returns true iff T is a GIMPLE address. */ 895bool is_gimple_address (const_tree); 896/* Returns true iff T is a GIMPLE invariant address. */ 897bool is_gimple_invariant_address (const_tree); 898/* Returns true iff T is a GIMPLE invariant address at interprocedural 899 level. */ 900bool is_gimple_ip_invariant_address (const_tree); 901/* Returns true iff T is a valid GIMPLE constant. */ 902bool is_gimple_constant (const_tree); 903/* Returns true iff T is a GIMPLE restricted function invariant. */ 904extern bool is_gimple_min_invariant (const_tree); 905/* Returns true iff T is a GIMPLE restricted interprecodural invariant. */ 906extern bool is_gimple_ip_invariant (const_tree); 907/* Returns true iff T is a GIMPLE rvalue. */ 908extern bool is_gimple_val (tree); 909/* Returns true iff T is a GIMPLE asm statement input. */ 910extern bool is_gimple_asm_val (tree); 911/* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a 912 GIMPLE temporary, a renamed user variable, or something else, 913 respectively. */ 914extern bool is_gimple_reg_rhs (tree); 915extern bool is_gimple_mem_rhs (tree); 916 917/* Returns true iff T is a valid if-statement condition. */ 918extern bool is_gimple_condexpr (tree); 919 920/* Returns true iff T is a type conversion. */ 921extern bool is_gimple_cast (tree); 922/* Returns true iff T is a variable that does not need to live in memory. */ 923extern bool is_gimple_non_addressable (tree t); 924 925/* Returns true iff T is a valid call address expression. */ 926extern bool is_gimple_call_addr (tree); 927/* If T makes a function call, returns the CALL_EXPR operand. */ 928extern tree get_call_expr_in (tree t); 929 930extern void recalculate_side_effects (tree); 931extern bool compare_field_offset (tree, tree); 932extern tree gimple_register_type (tree); 933extern void print_gimple_types_stats (void); 934extern void free_gimple_type_tables (void); 935extern tree gimple_unsigned_type (tree); 936extern tree gimple_signed_type (tree); 937extern alias_set_type gimple_get_alias_set (tree); 938extern void count_uses_and_derefs (tree, gimple, unsigned *, unsigned *, 939 unsigned *); 940extern bool walk_stmt_load_store_addr_ops (gimple, void *, 941 bool (*)(gimple, tree, void *), 942 bool (*)(gimple, tree, void *), 943 bool (*)(gimple, tree, void *)); 944extern bool walk_stmt_load_store_ops (gimple, void *, 945 bool (*)(gimple, tree, void *), 946 bool (*)(gimple, tree, void *)); 947extern bool gimple_ior_addresses_taken (bitmap, gimple); 948 949/* In gimplify.c */ 950extern tree create_tmp_var_raw (tree, const char *); 951extern tree create_tmp_var_name (const char *); 952extern tree create_tmp_var (tree, const char *); 953extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *); 954extern tree get_formal_tmp_var (tree, gimple_seq *); 955extern void declare_vars (tree, gimple, bool); 956extern void annotate_all_with_location (gimple_seq, location_t); 957 958/* Validation of GIMPLE expressions. Note that these predicates only check 959 the basic form of the expression, they don't recurse to make sure that 960 underlying nodes are also of the right form. */ 961typedef bool (*gimple_predicate)(tree); 962 963 964/* FIXME we should deduce this from the predicate. */ 965enum fallback { 966 fb_none = 0, /* Do not generate a temporary. */ 967 968 fb_rvalue = 1, /* Generate an rvalue to hold the result of a 969 gimplified expression. */ 970 971 fb_lvalue = 2, /* Generate an lvalue to hold the result of a 972 gimplified expression. */ 973 974 fb_mayfail = 4, /* Gimplification may fail. Error issued 975 afterwards. */ 976 fb_either= fb_rvalue | fb_lvalue 977}; 978 979typedef int fallback_t; 980 981enum gimplify_status { 982 GS_ERROR = -2, /* Something Bad Seen. */ 983 GS_UNHANDLED = -1, /* A langhook result for "I dunno". */ 984 GS_OK = 0, /* We did something, maybe more to do. */ 985 GS_ALL_DONE = 1 /* The expression is fully gimplified. */ 986}; 987 988struct gimplify_ctx 989{ 990 struct gimplify_ctx *prev_context; 991 992 VEC(gimple,heap) *bind_expr_stack; 993 tree temps; 994 gimple_seq conditional_cleanups; 995 tree exit_label; 996 tree return_temp; 997 998 VEC(tree,heap) *case_labels; 999 /* The formal temporary table. Should this be persistent? */ 1000 htab_t temp_htab; 1001 1002 int conditions; 1003 bool save_stack; 1004 bool into_ssa; 1005 bool allow_rhs_cond_expr; 1006}; 1007 1008extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *, 1009 bool (*) (tree), fallback_t); 1010extern void gimplify_type_sizes (tree, gimple_seq *); 1011extern void gimplify_one_sizepos (tree *, gimple_seq *); 1012extern bool gimplify_stmt (tree *, gimple_seq *); 1013extern gimple gimplify_body (tree *, tree, bool); 1014extern void push_gimplify_context (struct gimplify_ctx *); 1015extern void pop_gimplify_context (gimple); 1016extern void gimplify_and_add (tree, gimple_seq *); 1017 1018/* Miscellaneous helpers. */ 1019extern void gimple_add_tmp_var (tree); 1020extern gimple gimple_current_bind_expr (void); 1021extern VEC(gimple, heap) *gimple_bind_expr_stack (void); 1022extern tree voidify_wrapper_expr (tree, tree); 1023extern tree build_and_jump (tree *); 1024extern tree alloc_stmt_list (void); 1025extern void free_stmt_list (tree); 1026extern tree force_labels_r (tree *, int *, void *); 1027extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *, 1028 gimple_seq *); 1029struct gimplify_omp_ctx; 1030extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree); 1031extern tree gimple_boolify (tree); 1032extern gimple_predicate rhs_predicate_for (tree); 1033extern tree canonicalize_cond_expr_cond (tree); 1034 1035/* In omp-low.c. */ 1036extern tree omp_reduction_init (tree, tree); 1037 1038/* In tree-nested.c. */ 1039extern void lower_nested_functions (tree); 1040extern void insert_field_into_struct (tree, tree); 1041 1042/* In gimplify.c. */ 1043extern void gimplify_function_tree (tree); 1044 1045/* In cfgexpand.c. */ 1046extern tree gimple_assign_rhs_to_tree (gimple); 1047 1048/* In builtins.c */ 1049extern bool validate_gimple_arglist (const_gimple, ...); 1050 1051/* In tree-ssa.c */ 1052extern bool tree_ssa_useless_type_conversion (tree); 1053extern tree tree_ssa_strip_useless_type_conversions (tree); 1054extern bool useless_type_conversion_p (tree, tree); 1055extern bool types_compatible_p (tree, tree); 1056 1057/* Return the code for GIMPLE statement G. */ 1058 1059static inline enum gimple_code 1060gimple_code (const_gimple g) 1061{ 1062 return g->gsbase.code; 1063} 1064 1065 1066/* Return the GSS code used by a GIMPLE code. */ 1067 1068static inline enum gimple_statement_structure_enum 1069gss_for_code (enum gimple_code code) 1070{ 1071#ifdef ENABLE_CHECKING 1072 gcc_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE); 1073#endif 1074 return gss_for_code_[code]; 1075} 1076 1077 1078/* Return which GSS code is used by GS. */ 1079 1080static inline enum gimple_statement_structure_enum 1081gimple_statement_structure (gimple gs) 1082{ 1083 return gss_for_code (gimple_code (gs)); 1084} 1085 1086 1087/* Return true if statement G has sub-statements. This is only true for 1088 High GIMPLE statements. */ 1089 1090static inline bool 1091gimple_has_substatements (gimple g) 1092{ 1093 switch (gimple_code (g)) 1094 { 1095 case GIMPLE_BIND: 1096 case GIMPLE_CATCH: 1097 case GIMPLE_EH_FILTER: 1098 case GIMPLE_TRY: 1099 case GIMPLE_OMP_FOR: 1100 case GIMPLE_OMP_MASTER: 1101 case GIMPLE_OMP_ORDERED: 1102 case GIMPLE_OMP_SECTION: 1103 case GIMPLE_OMP_PARALLEL: 1104 case GIMPLE_OMP_TASK: 1105 case GIMPLE_OMP_SECTIONS: 1106 case GIMPLE_OMP_SINGLE: 1107 case GIMPLE_OMP_CRITICAL: 1108 case GIMPLE_WITH_CLEANUP_EXPR: 1109 return true; 1110 1111 default: 1112 return false; 1113 } 1114} 1115 1116 1117/* Return the basic block holding statement G. */ 1118 1119static inline struct basic_block_def * 1120gimple_bb (const_gimple g) 1121{ 1122 return g->gsbase.bb; 1123} 1124 1125 1126/* Return the lexical scope block holding statement G. */ 1127 1128static inline tree 1129gimple_block (const_gimple g) 1130{ 1131 return g->gsbase.block; 1132} 1133 1134 1135/* Set BLOCK to be the lexical scope block holding statement G. */ 1136 1137static inline void 1138gimple_set_block (gimple g, tree block) 1139{ 1140 g->gsbase.block = block; 1141} 1142 1143 1144/* Return location information for statement G. */ 1145 1146static inline location_t 1147gimple_location (const_gimple g) 1148{ 1149 return g->gsbase.location; 1150} 1151 1152/* Return pointer to location information for statement G. */ 1153 1154static inline const location_t * 1155gimple_location_ptr (const_gimple g) 1156{ 1157 return &g->gsbase.location; 1158} 1159 1160 1161/* Set location information for statement G. */ 1162 1163static inline void 1164gimple_set_location (gimple g, location_t location) 1165{ 1166 g->gsbase.location = location; 1167} 1168 1169 1170/* Return true if G contains location information. */ 1171 1172static inline bool 1173gimple_has_location (const_gimple g) 1174{ 1175 return gimple_location (g) != UNKNOWN_LOCATION; 1176} 1177 1178 1179/* Return the file name of the location of STMT. */ 1180 1181static inline const char * 1182gimple_filename (const_gimple stmt) 1183{ 1184 return LOCATION_FILE (gimple_location (stmt)); 1185} 1186 1187 1188/* Return the line number of the location of STMT. */ 1189 1190static inline int 1191gimple_lineno (const_gimple stmt) 1192{ 1193 return LOCATION_LINE (gimple_location (stmt)); 1194} 1195 1196 1197/* Determine whether SEQ is a singleton. */ 1198 1199static inline bool 1200gimple_seq_singleton_p (gimple_seq seq) 1201{ 1202 return ((gimple_seq_first (seq) != NULL) 1203 && (gimple_seq_first (seq) == gimple_seq_last (seq))); 1204} 1205 1206/* Return true if no warnings should be emitted for statement STMT. */ 1207 1208static inline bool 1209gimple_no_warning_p (const_gimple stmt) 1210{ 1211 return stmt->gsbase.no_warning; 1212} 1213 1214/* Set the no_warning flag of STMT to NO_WARNING. */ 1215 1216static inline void 1217gimple_set_no_warning (gimple stmt, bool no_warning) 1218{ 1219 stmt->gsbase.no_warning = (unsigned) no_warning; 1220} 1221 1222/* Set the visited status on statement STMT to VISITED_P. */ 1223 1224static inline void 1225gimple_set_visited (gimple stmt, bool visited_p) 1226{ 1227 stmt->gsbase.visited = (unsigned) visited_p; 1228} 1229 1230 1231/* Return the visited status for statement STMT. */ 1232 1233static inline bool 1234gimple_visited_p (gimple stmt) 1235{ 1236 return stmt->gsbase.visited; 1237} 1238 1239 1240/* Set pass local flag PLF on statement STMT to VAL_P. */ 1241 1242static inline void 1243gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p) 1244{ 1245 if (val_p) 1246 stmt->gsbase.plf |= (unsigned int) plf; 1247 else 1248 stmt->gsbase.plf &= ~((unsigned int) plf); 1249} 1250 1251 1252/* Return the value of pass local flag PLF on statement STMT. */ 1253 1254static inline unsigned int 1255gimple_plf (gimple stmt, enum plf_mask plf) 1256{ 1257 return stmt->gsbase.plf & ((unsigned int) plf); 1258} 1259 1260 1261/* Set the UID of statement. */ 1262 1263static inline void 1264gimple_set_uid (gimple g, unsigned uid) 1265{ 1266 g->gsbase.uid = uid; 1267} 1268 1269 1270/* Return the UID of statement. */ 1271 1272static inline unsigned 1273gimple_uid (const_gimple g) 1274{ 1275 return g->gsbase.uid; 1276} 1277 1278 1279/* Return true if GIMPLE statement G has register or memory operands. */ 1280 1281static inline bool 1282gimple_has_ops (const_gimple g) 1283{ 1284 return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN; 1285} 1286 1287 1288/* Return true if GIMPLE statement G has memory operands. */ 1289 1290static inline bool 1291gimple_has_mem_ops (const_gimple g) 1292{ 1293 return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN; 1294} 1295 1296 1297/* Return the set of DEF operands for statement G. */ 1298 1299static inline struct def_optype_d * 1300gimple_def_ops (const_gimple g) 1301{ 1302 if (!gimple_has_ops (g)) 1303 return NULL; 1304 return g->gsops.opbase.def_ops; 1305} 1306 1307 1308/* Set DEF to be the set of DEF operands for statement G. */ 1309 1310static inline void 1311gimple_set_def_ops (gimple g, struct def_optype_d *def) 1312{ 1313 gcc_assert (gimple_has_ops (g)); 1314 g->gsops.opbase.def_ops = def; 1315} 1316 1317 1318/* Return the set of USE operands for statement G. */ 1319 1320static inline struct use_optype_d * 1321gimple_use_ops (const_gimple g) 1322{ 1323 if (!gimple_has_ops (g)) 1324 return NULL; 1325 return g->gsops.opbase.use_ops; 1326} 1327 1328 1329/* Set USE to be the set of USE operands for statement G. */ 1330 1331static inline void 1332gimple_set_use_ops (gimple g, struct use_optype_d *use) 1333{ 1334 gcc_assert (gimple_has_ops (g)); 1335 g->gsops.opbase.use_ops = use; 1336} 1337 1338 1339/* Return the set of VUSE operand for statement G. */ 1340 1341static inline use_operand_p 1342gimple_vuse_op (const_gimple g) 1343{ 1344 struct use_optype_d *ops; 1345 if (!gimple_has_mem_ops (g)) 1346 return NULL_USE_OPERAND_P; 1347 ops = g->gsops.opbase.use_ops; 1348 if (ops 1349 && USE_OP_PTR (ops)->use == &g->gsmembase.vuse) 1350 return USE_OP_PTR (ops); 1351 return NULL_USE_OPERAND_P; 1352} 1353 1354/* Return the set of VDEF operand for statement G. */ 1355 1356static inline def_operand_p 1357gimple_vdef_op (const_gimple g) 1358{ 1359 struct def_optype_d *ops; 1360 if (!gimple_has_mem_ops (g)) 1361 return NULL_DEF_OPERAND_P; 1362 ops = g->gsops.opbase.def_ops; 1363 if (ops 1364 && DEF_OP_PTR (ops) == &g->gsmembase.vdef) 1365 return DEF_OP_PTR (ops); 1366 return NULL_DEF_OPERAND_P; 1367} 1368 1369 1370/* Return the single VUSE operand of the statement G. */ 1371 1372static inline tree 1373gimple_vuse (const_gimple g) 1374{ 1375 if (!gimple_has_mem_ops (g)) 1376 return NULL_TREE; 1377 return g->gsmembase.vuse; 1378} 1379 1380/* Return the single VDEF operand of the statement G. */ 1381 1382static inline tree 1383gimple_vdef (const_gimple g) 1384{ 1385 if (!gimple_has_mem_ops (g)) 1386 return NULL_TREE; 1387 return g->gsmembase.vdef; 1388} 1389 1390/* Return the single VUSE operand of the statement G. */ 1391 1392static inline tree * 1393gimple_vuse_ptr (gimple g) 1394{ 1395 if (!gimple_has_mem_ops (g)) 1396 return NULL; 1397 return &g->gsmembase.vuse; 1398} 1399 1400/* Return the single VDEF operand of the statement G. */ 1401 1402static inline tree * 1403gimple_vdef_ptr (gimple g) 1404{ 1405 if (!gimple_has_mem_ops (g)) 1406 return NULL; 1407 return &g->gsmembase.vdef; 1408} 1409 1410/* Set the single VUSE operand of the statement G. */ 1411 1412static inline void 1413gimple_set_vuse (gimple g, tree vuse) 1414{ 1415 gcc_assert (gimple_has_mem_ops (g)); 1416 g->gsmembase.vuse = vuse; 1417} 1418 1419/* Set the single VDEF operand of the statement G. */ 1420 1421static inline void 1422gimple_set_vdef (gimple g, tree vdef) 1423{ 1424 gcc_assert (gimple_has_mem_ops (g)); 1425 g->gsmembase.vdef = vdef; 1426} 1427 1428 1429/* Return true if statement G has operands and the modified field has 1430 been set. */ 1431 1432static inline bool 1433gimple_modified_p (const_gimple g) 1434{ 1435 return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false; 1436} 1437 1438 1439/* Return the tree code for the expression computed by STMT. This is 1440 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For 1441 GIMPLE_CALL, return CALL_EXPR as the expression code for 1442 consistency. This is useful when the caller needs to deal with the 1443 three kinds of computation that GIMPLE supports. */ 1444 1445static inline enum tree_code 1446gimple_expr_code (const_gimple stmt) 1447{ 1448 enum gimple_code code = gimple_code (stmt); 1449 if (code == GIMPLE_ASSIGN || code == GIMPLE_COND) 1450 return (enum tree_code) stmt->gsbase.subcode; 1451 else if (code == GIMPLE_CALL) 1452 return CALL_EXPR; 1453 else 1454 gcc_unreachable (); 1455} 1456 1457 1458/* Mark statement S as modified, and update it. */ 1459 1460static inline void 1461update_stmt (gimple s) 1462{ 1463 if (gimple_has_ops (s)) 1464 { 1465 gimple_set_modified (s, true); 1466 update_stmt_operands (s); 1467 } 1468} 1469 1470/* Update statement S if it has been optimized. */ 1471 1472static inline void 1473update_stmt_if_modified (gimple s) 1474{ 1475 if (gimple_modified_p (s)) 1476 update_stmt_operands (s); 1477} 1478 1479/* Return true if statement STMT contains volatile operands. */ 1480 1481static inline bool 1482gimple_has_volatile_ops (const_gimple stmt) 1483{ 1484 if (gimple_has_mem_ops (stmt)) 1485 return stmt->gsbase.has_volatile_ops; 1486 else 1487 return false; 1488} 1489 1490 1491/* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */ 1492 1493static inline void 1494gimple_set_has_volatile_ops (gimple stmt, bool volatilep) 1495{ 1496 if (gimple_has_mem_ops (stmt)) 1497 stmt->gsbase.has_volatile_ops = (unsigned) volatilep; 1498} 1499 1500 1501/* Return true if statement STMT may access memory. */ 1502 1503static inline bool 1504gimple_references_memory_p (gimple stmt) 1505{ 1506 return gimple_has_mem_ops (stmt) && gimple_vuse (stmt); 1507} 1508 1509 1510/* Return the subcode for OMP statement S. */ 1511 1512static inline unsigned 1513gimple_omp_subcode (const_gimple s) 1514{ 1515 gcc_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD 1516 && gimple_code (s) <= GIMPLE_OMP_SINGLE); 1517 return s->gsbase.subcode; 1518} 1519 1520/* Set the subcode for OMP statement S to SUBCODE. */ 1521 1522static inline void 1523gimple_omp_set_subcode (gimple s, unsigned int subcode) 1524{ 1525 /* We only have 16 bits for the subcode. Assert that we are not 1526 overflowing it. */ 1527 gcc_assert (subcode < (1 << 16)); 1528 s->gsbase.subcode = subcode; 1529} 1530 1531/* Set the nowait flag on OMP_RETURN statement S. */ 1532 1533static inline void 1534gimple_omp_return_set_nowait (gimple s) 1535{ 1536 GIMPLE_CHECK (s, GIMPLE_OMP_RETURN); 1537 s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT; 1538} 1539 1540 1541/* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT 1542 flag set. */ 1543 1544static inline bool 1545gimple_omp_return_nowait_p (const_gimple g) 1546{ 1547 GIMPLE_CHECK (g, GIMPLE_OMP_RETURN); 1548 return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0; 1549} 1550 1551 1552/* Return true if OMP section statement G has the GF_OMP_SECTION_LAST 1553 flag set. */ 1554 1555static inline bool 1556gimple_omp_section_last_p (const_gimple g) 1557{ 1558 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION); 1559 return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0; 1560} 1561 1562 1563/* Set the GF_OMP_SECTION_LAST flag on G. */ 1564 1565static inline void 1566gimple_omp_section_set_last (gimple g) 1567{ 1568 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION); 1569 g->gsbase.subcode |= GF_OMP_SECTION_LAST; 1570} 1571 1572 1573/* Return true if OMP parallel statement G has the 1574 GF_OMP_PARALLEL_COMBINED flag set. */ 1575 1576static inline bool 1577gimple_omp_parallel_combined_p (const_gimple g) 1578{ 1579 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL); 1580 return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0; 1581} 1582 1583 1584/* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean 1585 value of COMBINED_P. */ 1586 1587static inline void 1588gimple_omp_parallel_set_combined_p (gimple g, bool combined_p) 1589{ 1590 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL); 1591 if (combined_p) 1592 g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED; 1593 else 1594 g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED; 1595} 1596 1597 1598/* Return the number of operands for statement GS. */ 1599 1600static inline unsigned 1601gimple_num_ops (const_gimple gs) 1602{ 1603 return gs->gsbase.num_ops; 1604} 1605 1606 1607/* Set the number of operands for statement GS. */ 1608 1609static inline void 1610gimple_set_num_ops (gimple gs, unsigned num_ops) 1611{ 1612 gs->gsbase.num_ops = num_ops; 1613} 1614 1615 1616/* Return the array of operands for statement GS. */ 1617 1618static inline tree * 1619gimple_ops (gimple gs) 1620{ 1621 size_t off; 1622 1623 /* All the tuples have their operand vector at the very bottom 1624 of the structure. Note that those structures that do not 1625 have an operand vector have a zero offset. */ 1626 off = gimple_ops_offset_[gimple_statement_structure (gs)]; 1627 gcc_assert (off != 0); 1628 1629 return (tree *) ((char *) gs + off); 1630} 1631 1632 1633/* Return operand I for statement GS. */ 1634 1635static inline tree 1636gimple_op (const_gimple gs, unsigned i) 1637{ 1638 if (gimple_has_ops (gs)) 1639 { 1640#ifdef ENABLE_CHECKING 1641 gcc_assert (i < gimple_num_ops (gs)); 1642#endif 1643 return gimple_ops (CONST_CAST_GIMPLE (gs))[i]; 1644 } 1645 else 1646 return NULL_TREE; 1647} 1648 1649/* Return a pointer to operand I for statement GS. */ 1650 1651static inline tree * 1652gimple_op_ptr (const_gimple gs, unsigned i) 1653{ 1654 if (gimple_has_ops (gs)) 1655 { 1656#ifdef ENABLE_CHECKING 1657 gcc_assert (i < gimple_num_ops (gs)); 1658#endif 1659 return gimple_ops (CONST_CAST_GIMPLE (gs)) + i; 1660 } 1661 else 1662 return NULL; 1663} 1664 1665/* Set operand I of statement GS to OP. */ 1666 1667static inline void 1668gimple_set_op (gimple gs, unsigned i, tree op) 1669{ 1670 gcc_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs)); 1671 1672 /* Note. It may be tempting to assert that OP matches 1673 is_gimple_operand, but that would be wrong. Different tuples 1674 accept slightly different sets of tree operands. Each caller 1675 should perform its own validation. */ 1676 gimple_ops (gs)[i] = op; 1677} 1678 1679/* Return true if GS is a GIMPLE_ASSIGN. */ 1680 1681static inline bool 1682is_gimple_assign (const_gimple gs) 1683{ 1684 return gimple_code (gs) == GIMPLE_ASSIGN; 1685} 1686 1687/* Determine if expression CODE is one of the valid expressions that can 1688 be used on the RHS of GIMPLE assignments. */ 1689 1690static inline enum gimple_rhs_class 1691get_gimple_rhs_class (enum tree_code code) 1692{ 1693 return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code]; 1694} 1695 1696/* Return the LHS of assignment statement GS. */ 1697 1698static inline tree 1699gimple_assign_lhs (const_gimple gs) 1700{ 1701 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1702 return gimple_op (gs, 0); 1703} 1704 1705 1706/* Return a pointer to the LHS of assignment statement GS. */ 1707 1708static inline tree * 1709gimple_assign_lhs_ptr (const_gimple gs) 1710{ 1711 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1712 return gimple_op_ptr (gs, 0); 1713} 1714 1715 1716/* Set LHS to be the LHS operand of assignment statement GS. */ 1717 1718static inline void 1719gimple_assign_set_lhs (gimple gs, tree lhs) 1720{ 1721 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1722 gimple_set_op (gs, 0, lhs); 1723 1724 if (lhs && TREE_CODE (lhs) == SSA_NAME) 1725 SSA_NAME_DEF_STMT (lhs) = gs; 1726} 1727 1728 1729/* Return the first operand on the RHS of assignment statement GS. */ 1730 1731static inline tree 1732gimple_assign_rhs1 (const_gimple gs) 1733{ 1734 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1735 return gimple_op (gs, 1); 1736} 1737 1738 1739/* Return a pointer to the first operand on the RHS of assignment 1740 statement GS. */ 1741 1742static inline tree * 1743gimple_assign_rhs1_ptr (const_gimple gs) 1744{ 1745 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1746 return gimple_op_ptr (gs, 1); 1747} 1748 1749/* Set RHS to be the first operand on the RHS of assignment statement GS. */ 1750 1751static inline void 1752gimple_assign_set_rhs1 (gimple gs, tree rhs) 1753{ 1754 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1755 1756 gimple_set_op (gs, 1, rhs); 1757} 1758 1759 1760/* Return the second operand on the RHS of assignment statement GS. 1761 If GS does not have two operands, NULL is returned instead. */ 1762 1763static inline tree 1764gimple_assign_rhs2 (const_gimple gs) 1765{ 1766 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1767 1768 if (gimple_num_ops (gs) >= 3) 1769 return gimple_op (gs, 2); 1770 else 1771 return NULL_TREE; 1772} 1773 1774 1775/* Return a pointer to the second operand on the RHS of assignment 1776 statement GS. */ 1777 1778static inline tree * 1779gimple_assign_rhs2_ptr (const_gimple gs) 1780{ 1781 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1782 return gimple_op_ptr (gs, 2); 1783} 1784 1785 1786/* Set RHS to be the second operand on the RHS of assignment statement GS. */ 1787 1788static inline void 1789gimple_assign_set_rhs2 (gimple gs, tree rhs) 1790{ 1791 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1792 1793 gimple_set_op (gs, 2, rhs); 1794} 1795 1796/* Returns true if GS is a nontemporal move. */ 1797 1798static inline bool 1799gimple_assign_nontemporal_move_p (const_gimple gs) 1800{ 1801 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1802 return gs->gsbase.nontemporal_move; 1803} 1804 1805/* Sets nontemporal move flag of GS to NONTEMPORAL. */ 1806 1807static inline void 1808gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal) 1809{ 1810 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1811 gs->gsbase.nontemporal_move = nontemporal; 1812} 1813 1814 1815/* Return the code of the expression computed on the rhs of assignment 1816 statement GS. In case that the RHS is a single object, returns the 1817 tree code of the object. */ 1818 1819static inline enum tree_code 1820gimple_assign_rhs_code (const_gimple gs) 1821{ 1822 enum tree_code code; 1823 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1824 1825 code = gimple_expr_code (gs); 1826 if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS) 1827 code = TREE_CODE (gimple_assign_rhs1 (gs)); 1828 1829 return code; 1830} 1831 1832 1833/* Set CODE to be the code for the expression computed on the RHS of 1834 assignment S. */ 1835 1836static inline void 1837gimple_assign_set_rhs_code (gimple s, enum tree_code code) 1838{ 1839 GIMPLE_CHECK (s, GIMPLE_ASSIGN); 1840 s->gsbase.subcode = code; 1841} 1842 1843 1844/* Return the gimple rhs class of the code of the expression computed on 1845 the rhs of assignment statement GS. 1846 This will never return GIMPLE_INVALID_RHS. */ 1847 1848static inline enum gimple_rhs_class 1849gimple_assign_rhs_class (const_gimple gs) 1850{ 1851 return get_gimple_rhs_class (gimple_assign_rhs_code (gs)); 1852} 1853 1854 1855/* Return true if S is a type-cast assignment. */ 1856 1857static inline bool 1858gimple_assign_cast_p (gimple s) 1859{ 1860 if (is_gimple_assign (s)) 1861 { 1862 enum tree_code sc = gimple_assign_rhs_code (s); 1863 return CONVERT_EXPR_CODE_P (sc) 1864 || sc == VIEW_CONVERT_EXPR 1865 || sc == FIX_TRUNC_EXPR; 1866 } 1867 1868 return false; 1869} 1870 1871 1872/* Return true if GS is a GIMPLE_CALL. */ 1873 1874static inline bool 1875is_gimple_call (const_gimple gs) 1876{ 1877 return gimple_code (gs) == GIMPLE_CALL; 1878} 1879 1880/* Return the LHS of call statement GS. */ 1881 1882static inline tree 1883gimple_call_lhs (const_gimple gs) 1884{ 1885 GIMPLE_CHECK (gs, GIMPLE_CALL); 1886 return gimple_op (gs, 0); 1887} 1888 1889 1890/* Return a pointer to the LHS of call statement GS. */ 1891 1892static inline tree * 1893gimple_call_lhs_ptr (const_gimple gs) 1894{ 1895 GIMPLE_CHECK (gs, GIMPLE_CALL); 1896 return gimple_op_ptr (gs, 0); 1897} 1898 1899 1900/* Set LHS to be the LHS operand of call statement GS. */ 1901 1902static inline void 1903gimple_call_set_lhs (gimple gs, tree lhs) 1904{ 1905 GIMPLE_CHECK (gs, GIMPLE_CALL); 1906 gimple_set_op (gs, 0, lhs); 1907 if (lhs && TREE_CODE (lhs) == SSA_NAME) 1908 SSA_NAME_DEF_STMT (lhs) = gs; 1909} 1910 1911 1912/* Return the tree node representing the function called by call 1913 statement GS. */ 1914 1915static inline tree 1916gimple_call_fn (const_gimple gs) 1917{ 1918 GIMPLE_CHECK (gs, GIMPLE_CALL); 1919 return gimple_op (gs, 1); 1920} 1921 1922 1923/* Return a pointer to the tree node representing the function called by call 1924 statement GS. */ 1925 1926static inline tree * 1927gimple_call_fn_ptr (const_gimple gs) 1928{ 1929 GIMPLE_CHECK (gs, GIMPLE_CALL); 1930 return gimple_op_ptr (gs, 1); 1931} 1932 1933 1934/* Set FN to be the function called by call statement GS. */ 1935 1936static inline void 1937gimple_call_set_fn (gimple gs, tree fn) 1938{ 1939 GIMPLE_CHECK (gs, GIMPLE_CALL); 1940 gimple_set_op (gs, 1, fn); 1941} 1942 1943 1944/* Set FNDECL to be the function called by call statement GS. */ 1945 1946static inline void 1947gimple_call_set_fndecl (gimple gs, tree decl) 1948{ 1949 GIMPLE_CHECK (gs, GIMPLE_CALL); 1950 gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl)); 1951} 1952 1953 1954/* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it. 1955 Otherwise return NULL. This function is analogous to 1956 get_callee_fndecl in tree land. */ 1957 1958static inline tree 1959gimple_call_fndecl (const_gimple gs) 1960{ 1961 tree addr = gimple_call_fn (gs); 1962 if (TREE_CODE (addr) == ADDR_EXPR) 1963 return TREE_OPERAND (addr, 0); 1964 return NULL_TREE; 1965} 1966 1967 1968/* Return the type returned by call statement GS. */ 1969 1970static inline tree 1971gimple_call_return_type (const_gimple gs) 1972{ 1973 tree fn = gimple_call_fn (gs); 1974 tree type = TREE_TYPE (fn); 1975 1976 /* See through the pointer. */ 1977 type = TREE_TYPE (type); 1978 1979 /* The type returned by a FUNCTION_DECL is the type of its 1980 function type. */ 1981 return TREE_TYPE (type); 1982} 1983 1984 1985/* Return the static chain for call statement GS. */ 1986 1987static inline tree 1988gimple_call_chain (const_gimple gs) 1989{ 1990 GIMPLE_CHECK (gs, GIMPLE_CALL); 1991 return gimple_op (gs, 2); 1992} 1993 1994 1995/* Return a pointer to the static chain for call statement GS. */ 1996 1997static inline tree * 1998gimple_call_chain_ptr (const_gimple gs) 1999{ 2000 GIMPLE_CHECK (gs, GIMPLE_CALL); 2001 return gimple_op_ptr (gs, 2); 2002} 2003 2004/* Set CHAIN to be the static chain for call statement GS. */ 2005 2006static inline void 2007gimple_call_set_chain (gimple gs, tree chain) 2008{ 2009 GIMPLE_CHECK (gs, GIMPLE_CALL); 2010 2011 gimple_set_op (gs, 2, chain); 2012} 2013 2014 2015/* Return the number of arguments used by call statement GS. */ 2016 2017static inline unsigned 2018gimple_call_num_args (const_gimple gs) 2019{ 2020 unsigned num_ops; 2021 GIMPLE_CHECK (gs, GIMPLE_CALL); 2022 num_ops = gimple_num_ops (gs); 2023 return num_ops - 3; 2024} 2025 2026 2027/* Return the argument at position INDEX for call statement GS. */ 2028 2029static inline tree 2030gimple_call_arg (const_gimple gs, unsigned index) 2031{ 2032 GIMPLE_CHECK (gs, GIMPLE_CALL); 2033 return gimple_op (gs, index + 3); 2034} 2035 2036 2037/* Return a pointer to the argument at position INDEX for call 2038 statement GS. */ 2039 2040static inline tree * 2041gimple_call_arg_ptr (const_gimple gs, unsigned index) 2042{ 2043 GIMPLE_CHECK (gs, GIMPLE_CALL); 2044 return gimple_op_ptr (gs, index + 3); 2045} 2046 2047 2048/* Set ARG to be the argument at position INDEX for call statement GS. */ 2049 2050static inline void 2051gimple_call_set_arg (gimple gs, unsigned index, tree arg) 2052{ 2053 GIMPLE_CHECK (gs, GIMPLE_CALL); 2054 gimple_set_op (gs, index + 3, arg); 2055} 2056 2057 2058/* If TAIL_P is true, mark call statement S as being a tail call 2059 (i.e., a call just before the exit of a function). These calls are 2060 candidate for tail call optimization. */ 2061 2062static inline void 2063gimple_call_set_tail (gimple s, bool tail_p) 2064{ 2065 GIMPLE_CHECK (s, GIMPLE_CALL); 2066 if (tail_p) 2067 s->gsbase.subcode |= GF_CALL_TAILCALL; 2068 else 2069 s->gsbase.subcode &= ~GF_CALL_TAILCALL; 2070} 2071 2072 2073/* Return true if GIMPLE_CALL S is marked as a tail call. */ 2074 2075static inline bool 2076gimple_call_tail_p (gimple s) 2077{ 2078 GIMPLE_CHECK (s, GIMPLE_CALL); 2079 return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0; 2080} 2081 2082 2083/* Set the inlinable status of GIMPLE_CALL S to INLINABLE_P. */ 2084 2085static inline void 2086gimple_call_set_cannot_inline (gimple s, bool inlinable_p) 2087{ 2088 GIMPLE_CHECK (s, GIMPLE_CALL); 2089 if (inlinable_p) 2090 s->gsbase.subcode |= GF_CALL_CANNOT_INLINE; 2091 else 2092 s->gsbase.subcode &= ~GF_CALL_CANNOT_INLINE; 2093} 2094 2095 2096/* Return true if GIMPLE_CALL S cannot be inlined. */ 2097 2098static inline bool 2099gimple_call_cannot_inline_p (gimple s) 2100{ 2101 GIMPLE_CHECK (s, GIMPLE_CALL); 2102 return (s->gsbase.subcode & GF_CALL_CANNOT_INLINE) != 0; 2103} 2104 2105 2106/* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return 2107 slot optimization. This transformation uses the target of the call 2108 expansion as the return slot for calls that return in memory. */ 2109 2110static inline void 2111gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p) 2112{ 2113 GIMPLE_CHECK (s, GIMPLE_CALL); 2114 if (return_slot_opt_p) 2115 s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT; 2116 else 2117 s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT; 2118} 2119 2120 2121/* Return true if S is marked for return slot optimization. */ 2122 2123static inline bool 2124gimple_call_return_slot_opt_p (gimple s) 2125{ 2126 GIMPLE_CHECK (s, GIMPLE_CALL); 2127 return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0; 2128} 2129 2130 2131/* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a 2132 thunk to the thunked-to function. */ 2133 2134static inline void 2135gimple_call_set_from_thunk (gimple s, bool from_thunk_p) 2136{ 2137 GIMPLE_CHECK (s, GIMPLE_CALL); 2138 if (from_thunk_p) 2139 s->gsbase.subcode |= GF_CALL_FROM_THUNK; 2140 else 2141 s->gsbase.subcode &= ~GF_CALL_FROM_THUNK; 2142} 2143 2144 2145/* Return true if GIMPLE_CALL S is a jump from a thunk. */ 2146 2147static inline bool 2148gimple_call_from_thunk_p (gimple s) 2149{ 2150 GIMPLE_CHECK (s, GIMPLE_CALL); 2151 return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0; 2152} 2153 2154 2155/* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the 2156 argument pack in its argument list. */ 2157 2158static inline void 2159gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p) 2160{ 2161 GIMPLE_CHECK (s, GIMPLE_CALL); 2162 if (pass_arg_pack_p) 2163 s->gsbase.subcode |= GF_CALL_VA_ARG_PACK; 2164 else 2165 s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK; 2166} 2167 2168 2169/* Return true if GIMPLE_CALL S is a stdarg call that needs the 2170 argument pack in its argument list. */ 2171 2172static inline bool 2173gimple_call_va_arg_pack_p (gimple s) 2174{ 2175 GIMPLE_CHECK (s, GIMPLE_CALL); 2176 return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0; 2177} 2178 2179 2180/* Return true if S is a noreturn call. */ 2181 2182static inline bool 2183gimple_call_noreturn_p (gimple s) 2184{ 2185 GIMPLE_CHECK (s, GIMPLE_CALL); 2186 return (gimple_call_flags (s) & ECF_NORETURN) != 0; 2187} 2188 2189 2190/* If NOTHROW_P is true, GIMPLE_CALL S is a call that is known to not throw 2191 even if the called function can throw in other cases. */ 2192 2193static inline void 2194gimple_call_set_nothrow (gimple s, bool nothrow_p) 2195{ 2196 GIMPLE_CHECK (s, GIMPLE_CALL); 2197 if (nothrow_p) 2198 s->gsbase.subcode |= GF_CALL_NOTHROW; 2199 else 2200 s->gsbase.subcode &= ~GF_CALL_NOTHROW; 2201} 2202 2203/* Return true if S is a nothrow call. */ 2204 2205static inline bool 2206gimple_call_nothrow_p (gimple s) 2207{ 2208 GIMPLE_CHECK (s, GIMPLE_CALL); 2209 return (gimple_call_flags (s) & ECF_NOTHROW) != 0; 2210} 2211 2212 2213/* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */ 2214 2215static inline void 2216gimple_call_copy_flags (gimple dest_call, gimple orig_call) 2217{ 2218 GIMPLE_CHECK (dest_call, GIMPLE_CALL); 2219 GIMPLE_CHECK (orig_call, GIMPLE_CALL); 2220 dest_call->gsbase.subcode = orig_call->gsbase.subcode; 2221} 2222 2223 2224/* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a 2225 non-NULL lhs. */ 2226 2227static inline bool 2228gimple_has_lhs (gimple stmt) 2229{ 2230 return (is_gimple_assign (stmt) 2231 || (is_gimple_call (stmt) 2232 && gimple_call_lhs (stmt) != NULL_TREE)); 2233} 2234 2235 2236/* Return the code of the predicate computed by conditional statement GS. */ 2237 2238static inline enum tree_code 2239gimple_cond_code (const_gimple gs) 2240{ 2241 GIMPLE_CHECK (gs, GIMPLE_COND); 2242 return (enum tree_code) gs->gsbase.subcode; 2243} 2244 2245 2246/* Set CODE to be the predicate code for the conditional statement GS. */ 2247 2248static inline void 2249gimple_cond_set_code (gimple gs, enum tree_code code) 2250{ 2251 GIMPLE_CHECK (gs, GIMPLE_COND); 2252 gs->gsbase.subcode = code; 2253} 2254 2255 2256/* Return the LHS of the predicate computed by conditional statement GS. */ 2257 2258static inline tree 2259gimple_cond_lhs (const_gimple gs) 2260{ 2261 GIMPLE_CHECK (gs, GIMPLE_COND); 2262 return gimple_op (gs, 0); 2263} 2264 2265/* Return the pointer to the LHS of the predicate computed by conditional 2266 statement GS. */ 2267 2268static inline tree * 2269gimple_cond_lhs_ptr (const_gimple gs) 2270{ 2271 GIMPLE_CHECK (gs, GIMPLE_COND); 2272 return gimple_op_ptr (gs, 0); 2273} 2274 2275/* Set LHS to be the LHS operand of the predicate computed by 2276 conditional statement GS. */ 2277 2278static inline void 2279gimple_cond_set_lhs (gimple gs, tree lhs) 2280{ 2281 GIMPLE_CHECK (gs, GIMPLE_COND); 2282 gimple_set_op (gs, 0, lhs); 2283} 2284 2285 2286/* Return the RHS operand of the predicate computed by conditional GS. */ 2287 2288static inline tree 2289gimple_cond_rhs (const_gimple gs) 2290{ 2291 GIMPLE_CHECK (gs, GIMPLE_COND); 2292 return gimple_op (gs, 1); 2293} 2294 2295/* Return the pointer to the RHS operand of the predicate computed by 2296 conditional GS. */ 2297 2298static inline tree * 2299gimple_cond_rhs_ptr (const_gimple gs) 2300{ 2301 GIMPLE_CHECK (gs, GIMPLE_COND); 2302 return gimple_op_ptr (gs, 1); 2303} 2304 2305 2306/* Set RHS to be the RHS operand of the predicate computed by 2307 conditional statement GS. */ 2308 2309static inline void 2310gimple_cond_set_rhs (gimple gs, tree rhs) 2311{ 2312 GIMPLE_CHECK (gs, GIMPLE_COND); 2313 gimple_set_op (gs, 1, rhs); 2314} 2315 2316 2317/* Return the label used by conditional statement GS when its 2318 predicate evaluates to true. */ 2319 2320static inline tree 2321gimple_cond_true_label (const_gimple gs) 2322{ 2323 GIMPLE_CHECK (gs, GIMPLE_COND); 2324 return gimple_op (gs, 2); 2325} 2326 2327 2328/* Set LABEL to be the label used by conditional statement GS when its 2329 predicate evaluates to true. */ 2330 2331static inline void 2332gimple_cond_set_true_label (gimple gs, tree label) 2333{ 2334 GIMPLE_CHECK (gs, GIMPLE_COND); 2335 gimple_set_op (gs, 2, label); 2336} 2337 2338 2339/* Set LABEL to be the label used by conditional statement GS when its 2340 predicate evaluates to false. */ 2341 2342static inline void 2343gimple_cond_set_false_label (gimple gs, tree label) 2344{ 2345 GIMPLE_CHECK (gs, GIMPLE_COND); 2346 gimple_set_op (gs, 3, label); 2347} 2348 2349 2350/* Return the label used by conditional statement GS when its 2351 predicate evaluates to false. */ 2352 2353static inline tree 2354gimple_cond_false_label (const_gimple gs) 2355{ 2356 GIMPLE_CHECK (gs, GIMPLE_COND); 2357 return gimple_op (gs, 3); 2358} 2359 2360 2361/* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */ 2362 2363static inline void 2364gimple_cond_make_false (gimple gs) 2365{ 2366 gimple_cond_set_lhs (gs, boolean_true_node); 2367 gimple_cond_set_rhs (gs, boolean_false_node); 2368 gs->gsbase.subcode = EQ_EXPR; 2369} 2370 2371 2372/* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */ 2373 2374static inline void 2375gimple_cond_make_true (gimple gs) 2376{ 2377 gimple_cond_set_lhs (gs, boolean_true_node); 2378 gimple_cond_set_rhs (gs, boolean_true_node); 2379 gs->gsbase.subcode = EQ_EXPR; 2380} 2381 2382/* Check if conditional statemente GS is of the form 'if (1 == 1)', 2383 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */ 2384 2385static inline bool 2386gimple_cond_true_p (const_gimple gs) 2387{ 2388 tree lhs = gimple_cond_lhs (gs); 2389 tree rhs = gimple_cond_rhs (gs); 2390 enum tree_code code = gimple_cond_code (gs); 2391 2392 if (lhs != boolean_true_node && lhs != boolean_false_node) 2393 return false; 2394 2395 if (rhs != boolean_true_node && rhs != boolean_false_node) 2396 return false; 2397 2398 if (code == NE_EXPR && lhs != rhs) 2399 return true; 2400 2401 if (code == EQ_EXPR && lhs == rhs) 2402 return true; 2403 2404 return false; 2405} 2406 2407/* Check if conditional statement GS is of the form 'if (1 != 1)', 2408 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */ 2409 2410static inline bool 2411gimple_cond_false_p (const_gimple gs) 2412{ 2413 tree lhs = gimple_cond_lhs (gs); 2414 tree rhs = gimple_cond_rhs (gs); 2415 enum tree_code code = gimple_cond_code (gs); 2416 2417 if (lhs != boolean_true_node && lhs != boolean_false_node) 2418 return false; 2419 2420 if (rhs != boolean_true_node && rhs != boolean_false_node) 2421 return false; 2422 2423 if (code == NE_EXPR && lhs == rhs) 2424 return true; 2425 2426 if (code == EQ_EXPR && lhs != rhs) 2427 return true; 2428 2429 return false; 2430} 2431 2432/* Check if conditional statement GS is of the form 'if (var != 0)' or 2433 'if (var == 1)' */ 2434 2435static inline bool 2436gimple_cond_single_var_p (gimple gs) 2437{ 2438 if (gimple_cond_code (gs) == NE_EXPR 2439 && gimple_cond_rhs (gs) == boolean_false_node) 2440 return true; 2441 2442 if (gimple_cond_code (gs) == EQ_EXPR 2443 && gimple_cond_rhs (gs) == boolean_true_node) 2444 return true; 2445 2446 return false; 2447} 2448 2449/* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */ 2450 2451static inline void 2452gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs) 2453{ 2454 gimple_cond_set_code (stmt, code); 2455 gimple_cond_set_lhs (stmt, lhs); 2456 gimple_cond_set_rhs (stmt, rhs); 2457} 2458 2459/* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */ 2460 2461static inline tree 2462gimple_label_label (const_gimple gs) 2463{ 2464 GIMPLE_CHECK (gs, GIMPLE_LABEL); 2465 return gimple_op (gs, 0); 2466} 2467 2468 2469/* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement 2470 GS. */ 2471 2472static inline void 2473gimple_label_set_label (gimple gs, tree label) 2474{ 2475 GIMPLE_CHECK (gs, GIMPLE_LABEL); 2476 gimple_set_op (gs, 0, label); 2477} 2478 2479 2480/* Return the destination of the unconditional jump GS. */ 2481 2482static inline tree 2483gimple_goto_dest (const_gimple gs) 2484{ 2485 GIMPLE_CHECK (gs, GIMPLE_GOTO); 2486 return gimple_op (gs, 0); 2487} 2488 2489 2490/* Set DEST to be the destination of the unconditonal jump GS. */ 2491 2492static inline void 2493gimple_goto_set_dest (gimple gs, tree dest) 2494{ 2495 GIMPLE_CHECK (gs, GIMPLE_GOTO); 2496 gimple_set_op (gs, 0, dest); 2497} 2498 2499 2500/* Return the variables declared in the GIMPLE_BIND statement GS. */ 2501 2502static inline tree 2503gimple_bind_vars (const_gimple gs) 2504{ 2505 GIMPLE_CHECK (gs, GIMPLE_BIND); 2506 return gs->gimple_bind.vars; 2507} 2508 2509 2510/* Set VARS to be the set of variables declared in the GIMPLE_BIND 2511 statement GS. */ 2512 2513static inline void 2514gimple_bind_set_vars (gimple gs, tree vars) 2515{ 2516 GIMPLE_CHECK (gs, GIMPLE_BIND); 2517 gs->gimple_bind.vars = vars; 2518} 2519 2520 2521/* Append VARS to the set of variables declared in the GIMPLE_BIND 2522 statement GS. */ 2523 2524static inline void 2525gimple_bind_append_vars (gimple gs, tree vars) 2526{ 2527 GIMPLE_CHECK (gs, GIMPLE_BIND); 2528 gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars); 2529} 2530 2531 2532/* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */ 2533 2534static inline gimple_seq 2535gimple_bind_body (gimple gs) 2536{ 2537 GIMPLE_CHECK (gs, GIMPLE_BIND); 2538 return gs->gimple_bind.body; 2539} 2540 2541 2542/* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND 2543 statement GS. */ 2544 2545static inline void 2546gimple_bind_set_body (gimple gs, gimple_seq seq) 2547{ 2548 GIMPLE_CHECK (gs, GIMPLE_BIND); 2549 gs->gimple_bind.body = seq; 2550} 2551 2552 2553/* Append a statement to the end of a GIMPLE_BIND's body. */ 2554 2555static inline void 2556gimple_bind_add_stmt (gimple gs, gimple stmt) 2557{ 2558 GIMPLE_CHECK (gs, GIMPLE_BIND); 2559 gimple_seq_add_stmt (&gs->gimple_bind.body, stmt); 2560} 2561 2562 2563/* Append a sequence of statements to the end of a GIMPLE_BIND's body. */ 2564 2565static inline void 2566gimple_bind_add_seq (gimple gs, gimple_seq seq) 2567{ 2568 GIMPLE_CHECK (gs, GIMPLE_BIND); 2569 gimple_seq_add_seq (&gs->gimple_bind.body, seq); 2570} 2571 2572 2573/* Return the TREE_BLOCK node associated with GIMPLE_BIND statement 2574 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */ 2575 2576static inline tree 2577gimple_bind_block (const_gimple gs) 2578{ 2579 GIMPLE_CHECK (gs, GIMPLE_BIND); 2580 return gs->gimple_bind.block; 2581} 2582 2583 2584/* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND 2585 statement GS. */ 2586 2587static inline void 2588gimple_bind_set_block (gimple gs, tree block) 2589{ 2590 GIMPLE_CHECK (gs, GIMPLE_BIND); 2591 gcc_assert (block == NULL_TREE || TREE_CODE (block) == BLOCK); 2592 gs->gimple_bind.block = block; 2593} 2594 2595 2596/* Return the number of input operands for GIMPLE_ASM GS. */ 2597 2598static inline unsigned 2599gimple_asm_ninputs (const_gimple gs) 2600{ 2601 GIMPLE_CHECK (gs, GIMPLE_ASM); 2602 return gs->gimple_asm.ni; 2603} 2604 2605 2606/* Return the number of output operands for GIMPLE_ASM GS. */ 2607 2608static inline unsigned 2609gimple_asm_noutputs (const_gimple gs) 2610{ 2611 GIMPLE_CHECK (gs, GIMPLE_ASM); 2612 return gs->gimple_asm.no; 2613} 2614 2615 2616/* Return the number of clobber operands for GIMPLE_ASM GS. */ 2617 2618static inline unsigned 2619gimple_asm_nclobbers (const_gimple gs) 2620{ 2621 GIMPLE_CHECK (gs, GIMPLE_ASM); 2622 return gs->gimple_asm.nc; 2623} 2624 2625/* Return the number of label operands for GIMPLE_ASM GS. */ 2626 2627static inline unsigned 2628gimple_asm_nlabels (const_gimple gs) 2629{ 2630 GIMPLE_CHECK (gs, GIMPLE_ASM); 2631 return gs->gimple_asm.nl; 2632} 2633 2634/* Return input operand INDEX of GIMPLE_ASM GS. */ 2635 2636static inline tree 2637gimple_asm_input_op (const_gimple gs, unsigned index) 2638{ 2639 GIMPLE_CHECK (gs, GIMPLE_ASM); 2640 gcc_assert (index <= gs->gimple_asm.ni); 2641 return gimple_op (gs, index); 2642} 2643 2644/* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */ 2645 2646static inline tree * 2647gimple_asm_input_op_ptr (const_gimple gs, unsigned index) 2648{ 2649 GIMPLE_CHECK (gs, GIMPLE_ASM); 2650 gcc_assert (index <= gs->gimple_asm.ni); 2651 return gimple_op_ptr (gs, index); 2652} 2653 2654 2655/* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */ 2656 2657static inline void 2658gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op) 2659{ 2660 GIMPLE_CHECK (gs, GIMPLE_ASM); 2661 gcc_assert (index <= gs->gimple_asm.ni); 2662 gcc_assert (TREE_CODE (in_op) == TREE_LIST); 2663 gimple_set_op (gs, index, in_op); 2664} 2665 2666 2667/* Return output operand INDEX of GIMPLE_ASM GS. */ 2668 2669static inline tree 2670gimple_asm_output_op (const_gimple gs, unsigned index) 2671{ 2672 GIMPLE_CHECK (gs, GIMPLE_ASM); 2673 gcc_assert (index <= gs->gimple_asm.no); 2674 return gimple_op (gs, index + gs->gimple_asm.ni); 2675} 2676 2677/* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */ 2678 2679static inline tree * 2680gimple_asm_output_op_ptr (const_gimple gs, unsigned index) 2681{ 2682 GIMPLE_CHECK (gs, GIMPLE_ASM); 2683 gcc_assert (index <= gs->gimple_asm.no); 2684 return gimple_op_ptr (gs, index + gs->gimple_asm.ni); 2685} 2686 2687 2688/* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */ 2689 2690static inline void 2691gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op) 2692{ 2693 GIMPLE_CHECK (gs, GIMPLE_ASM); 2694 gcc_assert (index <= gs->gimple_asm.no); 2695 gcc_assert (TREE_CODE (out_op) == TREE_LIST); 2696 gimple_set_op (gs, index + gs->gimple_asm.ni, out_op); 2697} 2698 2699 2700/* Return clobber operand INDEX of GIMPLE_ASM GS. */ 2701 2702static inline tree 2703gimple_asm_clobber_op (const_gimple gs, unsigned index) 2704{ 2705 GIMPLE_CHECK (gs, GIMPLE_ASM); 2706 gcc_assert (index <= gs->gimple_asm.nc); 2707 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no); 2708} 2709 2710 2711/* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */ 2712 2713static inline void 2714gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op) 2715{ 2716 GIMPLE_CHECK (gs, GIMPLE_ASM); 2717 gcc_assert (index <= gs->gimple_asm.nc); 2718 gcc_assert (TREE_CODE (clobber_op) == TREE_LIST); 2719 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op); 2720} 2721 2722/* Return label operand INDEX of GIMPLE_ASM GS. */ 2723 2724static inline tree 2725gimple_asm_label_op (const_gimple gs, unsigned index) 2726{ 2727 GIMPLE_CHECK (gs, GIMPLE_ASM); 2728 gcc_assert (index <= gs->gimple_asm.nl); 2729 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc); 2730} 2731 2732/* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS. */ 2733 2734static inline void 2735gimple_asm_set_label_op (gimple gs, unsigned index, tree label_op) 2736{ 2737 GIMPLE_CHECK (gs, GIMPLE_ASM); 2738 gcc_assert (index <= gs->gimple_asm.nl); 2739 gcc_assert (TREE_CODE (label_op) == TREE_LIST); 2740 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc, label_op); 2741} 2742 2743/* Return the string representing the assembly instruction in 2744 GIMPLE_ASM GS. */ 2745 2746static inline const char * 2747gimple_asm_string (const_gimple gs) 2748{ 2749 GIMPLE_CHECK (gs, GIMPLE_ASM); 2750 return gs->gimple_asm.string; 2751} 2752 2753 2754/* Return true if GS is an asm statement marked volatile. */ 2755 2756static inline bool 2757gimple_asm_volatile_p (const_gimple gs) 2758{ 2759 GIMPLE_CHECK (gs, GIMPLE_ASM); 2760 return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0; 2761} 2762 2763 2764/* If VOLATLE_P is true, mark asm statement GS as volatile. */ 2765 2766static inline void 2767gimple_asm_set_volatile (gimple gs, bool volatile_p) 2768{ 2769 GIMPLE_CHECK (gs, GIMPLE_ASM); 2770 if (volatile_p) 2771 gs->gsbase.subcode |= GF_ASM_VOLATILE; 2772 else 2773 gs->gsbase.subcode &= ~GF_ASM_VOLATILE; 2774} 2775 2776 2777/* If INPUT_P is true, mark asm GS as an ASM_INPUT. */ 2778 2779static inline void 2780gimple_asm_set_input (gimple gs, bool input_p) 2781{ 2782 GIMPLE_CHECK (gs, GIMPLE_ASM); 2783 if (input_p) 2784 gs->gsbase.subcode |= GF_ASM_INPUT; 2785 else 2786 gs->gsbase.subcode &= ~GF_ASM_INPUT; 2787} 2788 2789 2790/* Return true if asm GS is an ASM_INPUT. */ 2791 2792static inline bool 2793gimple_asm_input_p (const_gimple gs) 2794{ 2795 GIMPLE_CHECK (gs, GIMPLE_ASM); 2796 return (gs->gsbase.subcode & GF_ASM_INPUT) != 0; 2797} 2798 2799 2800/* Return the types handled by GIMPLE_CATCH statement GS. */ 2801 2802static inline tree 2803gimple_catch_types (const_gimple gs) 2804{ 2805 GIMPLE_CHECK (gs, GIMPLE_CATCH); 2806 return gs->gimple_catch.types; 2807} 2808 2809 2810/* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */ 2811 2812static inline tree * 2813gimple_catch_types_ptr (gimple gs) 2814{ 2815 GIMPLE_CHECK (gs, GIMPLE_CATCH); 2816 return &gs->gimple_catch.types; 2817} 2818 2819 2820/* Return the GIMPLE sequence representing the body of the handler of 2821 GIMPLE_CATCH statement GS. */ 2822 2823static inline gimple_seq 2824gimple_catch_handler (gimple gs) 2825{ 2826 GIMPLE_CHECK (gs, GIMPLE_CATCH); 2827 return gs->gimple_catch.handler; 2828} 2829 2830 2831/* Return a pointer to the GIMPLE sequence representing the body of 2832 the handler of GIMPLE_CATCH statement GS. */ 2833 2834static inline gimple_seq * 2835gimple_catch_handler_ptr (gimple gs) 2836{ 2837 GIMPLE_CHECK (gs, GIMPLE_CATCH); 2838 return &gs->gimple_catch.handler; 2839} 2840 2841 2842/* Set T to be the set of types handled by GIMPLE_CATCH GS. */ 2843 2844static inline void 2845gimple_catch_set_types (gimple gs, tree t) 2846{ 2847 GIMPLE_CHECK (gs, GIMPLE_CATCH); 2848 gs->gimple_catch.types = t; 2849} 2850 2851 2852/* Set HANDLER to be the body of GIMPLE_CATCH GS. */ 2853 2854static inline void 2855gimple_catch_set_handler (gimple gs, gimple_seq handler) 2856{ 2857 GIMPLE_CHECK (gs, GIMPLE_CATCH); 2858 gs->gimple_catch.handler = handler; 2859} 2860 2861 2862/* Return the types handled by GIMPLE_EH_FILTER statement GS. */ 2863 2864static inline tree 2865gimple_eh_filter_types (const_gimple gs) 2866{ 2867 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); 2868 return gs->gimple_eh_filter.types; 2869} 2870 2871 2872/* Return a pointer to the types handled by GIMPLE_EH_FILTER statement 2873 GS. */ 2874 2875static inline tree * 2876gimple_eh_filter_types_ptr (gimple gs) 2877{ 2878 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); 2879 return &gs->gimple_eh_filter.types; 2880} 2881 2882 2883/* Return the sequence of statement to execute when GIMPLE_EH_FILTER 2884 statement fails. */ 2885 2886static inline gimple_seq 2887gimple_eh_filter_failure (gimple gs) 2888{ 2889 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); 2890 return gs->gimple_eh_filter.failure; 2891} 2892 2893 2894/* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */ 2895 2896static inline void 2897gimple_eh_filter_set_types (gimple gs, tree types) 2898{ 2899 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); 2900 gs->gimple_eh_filter.types = types; 2901} 2902 2903 2904/* Set FAILURE to be the sequence of statements to execute on failure 2905 for GIMPLE_EH_FILTER GS. */ 2906 2907static inline void 2908gimple_eh_filter_set_failure (gimple gs, gimple_seq failure) 2909{ 2910 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); 2911 gs->gimple_eh_filter.failure = failure; 2912} 2913 2914/* Get the function decl to be called by the MUST_NOT_THROW region. */ 2915 2916static inline tree 2917gimple_eh_must_not_throw_fndecl (gimple gs) 2918{ 2919 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW); 2920 return gs->gimple_eh_mnt.fndecl; 2921} 2922 2923/* Set the function decl to be called by GS to DECL. */ 2924 2925static inline void 2926gimple_eh_must_not_throw_set_fndecl (gimple gs, tree decl) 2927{ 2928 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW); 2929 gs->gimple_eh_mnt.fndecl = decl; 2930} 2931 2932 2933/* GIMPLE_TRY accessors. */ 2934 2935/* Return the kind of try block represented by GIMPLE_TRY GS. This is 2936 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */ 2937 2938static inline enum gimple_try_flags 2939gimple_try_kind (const_gimple gs) 2940{ 2941 GIMPLE_CHECK (gs, GIMPLE_TRY); 2942 return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND); 2943} 2944 2945 2946/* Set the kind of try block represented by GIMPLE_TRY GS. */ 2947 2948static inline void 2949gimple_try_set_kind (gimple gs, enum gimple_try_flags kind) 2950{ 2951 GIMPLE_CHECK (gs, GIMPLE_TRY); 2952 gcc_assert (kind == GIMPLE_TRY_CATCH || kind == GIMPLE_TRY_FINALLY); 2953 if (gimple_try_kind (gs) != kind) 2954 gs->gsbase.subcode = (unsigned int) kind; 2955} 2956 2957 2958/* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */ 2959 2960static inline bool 2961gimple_try_catch_is_cleanup (const_gimple gs) 2962{ 2963 gcc_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH); 2964 return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0; 2965} 2966 2967 2968/* Return the sequence of statements used as the body for GIMPLE_TRY GS. */ 2969 2970static inline gimple_seq 2971gimple_try_eval (gimple gs) 2972{ 2973 GIMPLE_CHECK (gs, GIMPLE_TRY); 2974 return gs->gimple_try.eval; 2975} 2976 2977 2978/* Return the sequence of statements used as the cleanup body for 2979 GIMPLE_TRY GS. */ 2980 2981static inline gimple_seq 2982gimple_try_cleanup (gimple gs) 2983{ 2984 GIMPLE_CHECK (gs, GIMPLE_TRY); 2985 return gs->gimple_try.cleanup; 2986} 2987 2988 2989/* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */ 2990 2991static inline void 2992gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup) 2993{ 2994 gcc_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH); 2995 if (catch_is_cleanup) 2996 g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP; 2997 else 2998 g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP; 2999} 3000 3001 3002/* Set EVAL to be the sequence of statements to use as the body for 3003 GIMPLE_TRY GS. */ 3004 3005static inline void 3006gimple_try_set_eval (gimple gs, gimple_seq eval) 3007{ 3008 GIMPLE_CHECK (gs, GIMPLE_TRY); 3009 gs->gimple_try.eval = eval; 3010} 3011 3012 3013/* Set CLEANUP to be the sequence of statements to use as the cleanup 3014 body for GIMPLE_TRY GS. */ 3015 3016static inline void 3017gimple_try_set_cleanup (gimple gs, gimple_seq cleanup) 3018{ 3019 GIMPLE_CHECK (gs, GIMPLE_TRY); 3020 gs->gimple_try.cleanup = cleanup; 3021} 3022 3023 3024/* Return the cleanup sequence for cleanup statement GS. */ 3025 3026static inline gimple_seq 3027gimple_wce_cleanup (gimple gs) 3028{ 3029 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR); 3030 return gs->gimple_wce.cleanup; 3031} 3032 3033 3034/* Set CLEANUP to be the cleanup sequence for GS. */ 3035 3036static inline void 3037gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup) 3038{ 3039 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR); 3040 gs->gimple_wce.cleanup = cleanup; 3041} 3042 3043 3044/* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */ 3045 3046static inline bool 3047gimple_wce_cleanup_eh_only (const_gimple gs) 3048{ 3049 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR); 3050 return gs->gsbase.subcode != 0; 3051} 3052 3053 3054/* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */ 3055 3056static inline void 3057gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p) 3058{ 3059 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR); 3060 gs->gsbase.subcode = (unsigned int) eh_only_p; 3061} 3062 3063 3064/* Return the maximum number of arguments supported by GIMPLE_PHI GS. */ 3065 3066static inline unsigned 3067gimple_phi_capacity (const_gimple gs) 3068{ 3069 GIMPLE_CHECK (gs, GIMPLE_PHI); 3070 return gs->gimple_phi.capacity; 3071} 3072 3073 3074/* Return the number of arguments in GIMPLE_PHI GS. This must always 3075 be exactly the number of incoming edges for the basic block holding 3076 GS. */ 3077 3078static inline unsigned 3079gimple_phi_num_args (const_gimple gs) 3080{ 3081 GIMPLE_CHECK (gs, GIMPLE_PHI); 3082 return gs->gimple_phi.nargs; 3083} 3084 3085 3086/* Return the SSA name created by GIMPLE_PHI GS. */ 3087 3088static inline tree 3089gimple_phi_result (const_gimple gs) 3090{ 3091 GIMPLE_CHECK (gs, GIMPLE_PHI); 3092 return gs->gimple_phi.result; 3093} 3094 3095/* Return a pointer to the SSA name created by GIMPLE_PHI GS. */ 3096 3097static inline tree * 3098gimple_phi_result_ptr (gimple gs) 3099{ 3100 GIMPLE_CHECK (gs, GIMPLE_PHI); 3101 return &gs->gimple_phi.result; 3102} 3103 3104/* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */ 3105 3106static inline void 3107gimple_phi_set_result (gimple gs, tree result) 3108{ 3109 GIMPLE_CHECK (gs, GIMPLE_PHI); 3110 gs->gimple_phi.result = result; 3111} 3112 3113 3114/* Return the PHI argument corresponding to incoming edge INDEX for 3115 GIMPLE_PHI GS. */ 3116 3117static inline struct phi_arg_d * 3118gimple_phi_arg (gimple gs, unsigned index) 3119{ 3120 GIMPLE_CHECK (gs, GIMPLE_PHI); 3121 gcc_assert (index <= gs->gimple_phi.capacity); 3122 return &(gs->gimple_phi.args[index]); 3123} 3124 3125/* Set PHIARG to be the argument corresponding to incoming edge INDEX 3126 for GIMPLE_PHI GS. */ 3127 3128static inline void 3129gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg) 3130{ 3131 GIMPLE_CHECK (gs, GIMPLE_PHI); 3132 gcc_assert (index <= gs->gimple_phi.nargs); 3133 memcpy (gs->gimple_phi.args + index, phiarg, sizeof (struct phi_arg_d)); 3134} 3135 3136/* Return the region number for GIMPLE_RESX GS. */ 3137 3138static inline int 3139gimple_resx_region (const_gimple gs) 3140{ 3141 GIMPLE_CHECK (gs, GIMPLE_RESX); 3142 return gs->gimple_eh_ctrl.region; 3143} 3144 3145/* Set REGION to be the region number for GIMPLE_RESX GS. */ 3146 3147static inline void 3148gimple_resx_set_region (gimple gs, int region) 3149{ 3150 GIMPLE_CHECK (gs, GIMPLE_RESX); 3151 gs->gimple_eh_ctrl.region = region; 3152} 3153 3154/* Return the region number for GIMPLE_EH_DISPATCH GS. */ 3155 3156static inline int 3157gimple_eh_dispatch_region (const_gimple gs) 3158{ 3159 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH); 3160 return gs->gimple_eh_ctrl.region; 3161} 3162 3163/* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS. */ 3164 3165static inline void 3166gimple_eh_dispatch_set_region (gimple gs, int region) 3167{ 3168 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH); 3169 gs->gimple_eh_ctrl.region = region; 3170} 3171 3172/* Return the number of labels associated with the switch statement GS. */ 3173 3174static inline unsigned 3175gimple_switch_num_labels (const_gimple gs) 3176{ 3177 unsigned num_ops; 3178 GIMPLE_CHECK (gs, GIMPLE_SWITCH); 3179 num_ops = gimple_num_ops (gs); 3180 gcc_assert (num_ops > 1); 3181 return num_ops - 1; 3182} 3183 3184 3185/* Set NLABELS to be the number of labels for the switch statement GS. */ 3186 3187static inline void 3188gimple_switch_set_num_labels (gimple g, unsigned nlabels) 3189{ 3190 GIMPLE_CHECK (g, GIMPLE_SWITCH); 3191 gimple_set_num_ops (g, nlabels + 1); 3192} 3193 3194 3195/* Return the index variable used by the switch statement GS. */ 3196 3197static inline tree 3198gimple_switch_index (const_gimple gs) 3199{ 3200 GIMPLE_CHECK (gs, GIMPLE_SWITCH); 3201 return gimple_op (gs, 0); 3202} 3203 3204 3205/* Return a pointer to the index variable for the switch statement GS. */ 3206 3207static inline tree * 3208gimple_switch_index_ptr (const_gimple gs) 3209{ 3210 GIMPLE_CHECK (gs, GIMPLE_SWITCH); 3211 return gimple_op_ptr (gs, 0); 3212} 3213 3214 3215/* Set INDEX to be the index variable for switch statement GS. */ 3216 3217static inline void 3218gimple_switch_set_index (gimple gs, tree index) 3219{ 3220 GIMPLE_CHECK (gs, GIMPLE_SWITCH); 3221 gcc_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index)); 3222 gimple_set_op (gs, 0, index); 3223} 3224 3225 3226/* Return the label numbered INDEX. The default label is 0, followed by any 3227 labels in a switch statement. */ 3228 3229static inline tree 3230gimple_switch_label (const_gimple gs, unsigned index) 3231{ 3232 GIMPLE_CHECK (gs, GIMPLE_SWITCH); 3233 gcc_assert (gimple_num_ops (gs) > index + 1); 3234 return gimple_op (gs, index + 1); 3235} 3236 3237/* Set the label number INDEX to LABEL. 0 is always the default label. */ 3238 3239static inline void 3240gimple_switch_set_label (gimple gs, unsigned index, tree label) 3241{ 3242 GIMPLE_CHECK (gs, GIMPLE_SWITCH); 3243 gcc_assert (gimple_num_ops (gs) > index + 1); 3244 gcc_assert (label == NULL_TREE || TREE_CODE (label) == CASE_LABEL_EXPR); 3245 gimple_set_op (gs, index + 1, label); 3246} 3247 3248/* Return the default label for a switch statement. */ 3249 3250static inline tree 3251gimple_switch_default_label (const_gimple gs) 3252{ 3253 return gimple_switch_label (gs, 0); 3254} 3255 3256/* Set the default label for a switch statement. */ 3257 3258static inline void 3259gimple_switch_set_default_label (gimple gs, tree label) 3260{ 3261 gimple_switch_set_label (gs, 0, label); 3262} 3263 3264/* Return true if GS is a GIMPLE_DEBUG statement. */ 3265 3266static inline bool 3267is_gimple_debug (const_gimple gs) 3268{ 3269 return gimple_code (gs) == GIMPLE_DEBUG; 3270} 3271 3272/* Return true if S is a GIMPLE_DEBUG BIND statement. */ 3273 3274static inline bool 3275gimple_debug_bind_p (const_gimple s) 3276{ 3277 if (is_gimple_debug (s)) 3278 return s->gsbase.subcode == GIMPLE_DEBUG_BIND; 3279 3280 return false; 3281} 3282 3283/* Return the variable bound in a GIMPLE_DEBUG bind statement. */ 3284 3285static inline tree 3286gimple_debug_bind_get_var (gimple dbg) 3287{ 3288 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3289#ifdef ENABLE_CHECKING 3290 gcc_assert (gimple_debug_bind_p (dbg)); 3291#endif 3292 return gimple_op (dbg, 0); 3293} 3294 3295/* Return the value bound to the variable in a GIMPLE_DEBUG bind 3296 statement. */ 3297 3298static inline tree 3299gimple_debug_bind_get_value (gimple dbg) 3300{ 3301 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3302#ifdef ENABLE_CHECKING 3303 gcc_assert (gimple_debug_bind_p (dbg)); 3304#endif 3305 return gimple_op (dbg, 1); 3306} 3307 3308/* Return a pointer to the value bound to the variable in a 3309 GIMPLE_DEBUG bind statement. */ 3310 3311static inline tree * 3312gimple_debug_bind_get_value_ptr (gimple dbg) 3313{ 3314 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3315#ifdef ENABLE_CHECKING 3316 gcc_assert (gimple_debug_bind_p (dbg)); 3317#endif 3318 return gimple_op_ptr (dbg, 1); 3319} 3320 3321/* Set the variable bound in a GIMPLE_DEBUG bind statement. */ 3322 3323static inline void 3324gimple_debug_bind_set_var (gimple dbg, tree var) 3325{ 3326 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3327#ifdef ENABLE_CHECKING 3328 gcc_assert (gimple_debug_bind_p (dbg)); 3329#endif 3330 gimple_set_op (dbg, 0, var); 3331} 3332 3333/* Set the value bound to the variable in a GIMPLE_DEBUG bind 3334 statement. */ 3335 3336static inline void 3337gimple_debug_bind_set_value (gimple dbg, tree value) 3338{ 3339 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3340#ifdef ENABLE_CHECKING 3341 gcc_assert (gimple_debug_bind_p (dbg)); 3342#endif 3343 gimple_set_op (dbg, 1, value); 3344} 3345 3346/* The second operand of a GIMPLE_DEBUG_BIND, when the value was 3347 optimized away. */ 3348#define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */ 3349 3350/* Remove the value bound to the variable in a GIMPLE_DEBUG bind 3351 statement. */ 3352 3353static inline void 3354gimple_debug_bind_reset_value (gimple dbg) 3355{ 3356 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3357#ifdef ENABLE_CHECKING 3358 gcc_assert (gimple_debug_bind_p (dbg)); 3359#endif 3360 gimple_set_op (dbg, 1, GIMPLE_DEBUG_BIND_NOVALUE); 3361} 3362 3363/* Return true if the GIMPLE_DEBUG bind statement is bound to a 3364 value. */ 3365 3366static inline bool 3367gimple_debug_bind_has_value_p (gimple dbg) 3368{ 3369 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3370#ifdef ENABLE_CHECKING 3371 gcc_assert (gimple_debug_bind_p (dbg)); 3372#endif 3373 return gimple_op (dbg, 1) != GIMPLE_DEBUG_BIND_NOVALUE; 3374} 3375 3376#undef GIMPLE_DEBUG_BIND_NOVALUE 3377 3378/* Return the body for the OMP statement GS. */ 3379 3380static inline gimple_seq 3381gimple_omp_body (gimple gs) 3382{ 3383 return gs->omp.body; 3384} 3385 3386/* Set BODY to be the body for the OMP statement GS. */ 3387 3388static inline void 3389gimple_omp_set_body (gimple gs, gimple_seq body) 3390{ 3391 gs->omp.body = body; 3392} 3393 3394 3395/* Return the name associated with OMP_CRITICAL statement GS. */ 3396 3397static inline tree 3398gimple_omp_critical_name (const_gimple gs) 3399{ 3400 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL); 3401 return gs->gimple_omp_critical.name; 3402} 3403 3404 3405/* Return a pointer to the name associated with OMP critical statement GS. */ 3406 3407static inline tree * 3408gimple_omp_critical_name_ptr (gimple gs) 3409{ 3410 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL); 3411 return &gs->gimple_omp_critical.name; 3412} 3413 3414 3415/* Set NAME to be the name associated with OMP critical statement GS. */ 3416 3417static inline void 3418gimple_omp_critical_set_name (gimple gs, tree name) 3419{ 3420 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL); 3421 gs->gimple_omp_critical.name = name; 3422} 3423 3424 3425/* Return the clauses associated with OMP_FOR GS. */ 3426 3427static inline tree 3428gimple_omp_for_clauses (const_gimple gs) 3429{ 3430 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3431 return gs->gimple_omp_for.clauses; 3432} 3433 3434 3435/* Return a pointer to the OMP_FOR GS. */ 3436 3437static inline tree * 3438gimple_omp_for_clauses_ptr (gimple gs) 3439{ 3440 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3441 return &gs->gimple_omp_for.clauses; 3442} 3443 3444 3445/* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */ 3446 3447static inline void 3448gimple_omp_for_set_clauses (gimple gs, tree clauses) 3449{ 3450 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3451 gs->gimple_omp_for.clauses = clauses; 3452} 3453 3454 3455/* Get the collapse count of OMP_FOR GS. */ 3456 3457static inline size_t 3458gimple_omp_for_collapse (gimple gs) 3459{ 3460 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3461 return gs->gimple_omp_for.collapse; 3462} 3463 3464 3465/* Return the index variable for OMP_FOR GS. */ 3466 3467static inline tree 3468gimple_omp_for_index (const_gimple gs, size_t i) 3469{ 3470 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3471 gcc_assert (i < gs->gimple_omp_for.collapse); 3472 return gs->gimple_omp_for.iter[i].index; 3473} 3474 3475 3476/* Return a pointer to the index variable for OMP_FOR GS. */ 3477 3478static inline tree * 3479gimple_omp_for_index_ptr (gimple gs, size_t i) 3480{ 3481 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3482 gcc_assert (i < gs->gimple_omp_for.collapse); 3483 return &gs->gimple_omp_for.iter[i].index; 3484} 3485 3486 3487/* Set INDEX to be the index variable for OMP_FOR GS. */ 3488 3489static inline void 3490gimple_omp_for_set_index (gimple gs, size_t i, tree index) 3491{ 3492 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3493 gcc_assert (i < gs->gimple_omp_for.collapse); 3494 gs->gimple_omp_for.iter[i].index = index; 3495} 3496 3497 3498/* Return the initial value for OMP_FOR GS. */ 3499 3500static inline tree 3501gimple_omp_for_initial (const_gimple gs, size_t i) 3502{ 3503 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3504 gcc_assert (i < gs->gimple_omp_for.collapse); 3505 return gs->gimple_omp_for.iter[i].initial; 3506} 3507 3508 3509/* Return a pointer to the initial value for OMP_FOR GS. */ 3510 3511static inline tree * 3512gimple_omp_for_initial_ptr (gimple gs, size_t i) 3513{ 3514 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3515 gcc_assert (i < gs->gimple_omp_for.collapse); 3516 return &gs->gimple_omp_for.iter[i].initial; 3517} 3518 3519 3520/* Set INITIAL to be the initial value for OMP_FOR GS. */ 3521 3522static inline void 3523gimple_omp_for_set_initial (gimple gs, size_t i, tree initial) 3524{ 3525 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3526 gcc_assert (i < gs->gimple_omp_for.collapse); 3527 gs->gimple_omp_for.iter[i].initial = initial; 3528} 3529 3530 3531/* Return the final value for OMP_FOR GS. */ 3532 3533static inline tree 3534gimple_omp_for_final (const_gimple gs, size_t i) 3535{ 3536 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3537 gcc_assert (i < gs->gimple_omp_for.collapse); 3538 return gs->gimple_omp_for.iter[i].final; 3539} 3540 3541 3542/* Return a pointer to the final value for OMP_FOR GS. */ 3543 3544static inline tree * 3545gimple_omp_for_final_ptr (gimple gs, size_t i) 3546{ 3547 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3548 gcc_assert (i < gs->gimple_omp_for.collapse); 3549 return &gs->gimple_omp_for.iter[i].final; 3550} 3551 3552 3553/* Set FINAL to be the final value for OMP_FOR GS. */ 3554 3555static inline void 3556gimple_omp_for_set_final (gimple gs, size_t i, tree final) 3557{ 3558 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3559 gcc_assert (i < gs->gimple_omp_for.collapse); 3560 gs->gimple_omp_for.iter[i].final = final; 3561} 3562 3563 3564/* Return the increment value for OMP_FOR GS. */ 3565 3566static inline tree 3567gimple_omp_for_incr (const_gimple gs, size_t i) 3568{ 3569 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3570 gcc_assert (i < gs->gimple_omp_for.collapse); 3571 return gs->gimple_omp_for.iter[i].incr; 3572} 3573 3574 3575/* Return a pointer to the increment value for OMP_FOR GS. */ 3576 3577static inline tree * 3578gimple_omp_for_incr_ptr (gimple gs, size_t i) 3579{ 3580 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3581 gcc_assert (i < gs->gimple_omp_for.collapse); 3582 return &gs->gimple_omp_for.iter[i].incr; 3583} 3584 3585 3586/* Set INCR to be the increment value for OMP_FOR GS. */ 3587 3588static inline void 3589gimple_omp_for_set_incr (gimple gs, size_t i, tree incr) 3590{ 3591 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3592 gcc_assert (i < gs->gimple_omp_for.collapse); 3593 gs->gimple_omp_for.iter[i].incr = incr; 3594} 3595 3596 3597/* Return the sequence of statements to execute before the OMP_FOR 3598 statement GS starts. */ 3599 3600static inline gimple_seq 3601gimple_omp_for_pre_body (gimple gs) 3602{ 3603 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3604 return gs->gimple_omp_for.pre_body; 3605} 3606 3607 3608/* Set PRE_BODY to be the sequence of statements to execute before the 3609 OMP_FOR statement GS starts. */ 3610 3611static inline void 3612gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body) 3613{ 3614 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3615 gs->gimple_omp_for.pre_body = pre_body; 3616} 3617 3618 3619/* Return the clauses associated with OMP_PARALLEL GS. */ 3620 3621static inline tree 3622gimple_omp_parallel_clauses (const_gimple gs) 3623{ 3624 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 3625 return gs->gimple_omp_parallel.clauses; 3626} 3627 3628 3629/* Return a pointer to the clauses associated with OMP_PARALLEL GS. */ 3630 3631static inline tree * 3632gimple_omp_parallel_clauses_ptr (gimple gs) 3633{ 3634 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 3635 return &gs->gimple_omp_parallel.clauses; 3636} 3637 3638 3639/* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL 3640 GS. */ 3641 3642static inline void 3643gimple_omp_parallel_set_clauses (gimple gs, tree clauses) 3644{ 3645 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 3646 gs->gimple_omp_parallel.clauses = clauses; 3647} 3648 3649 3650/* Return the child function used to hold the body of OMP_PARALLEL GS. */ 3651 3652static inline tree 3653gimple_omp_parallel_child_fn (const_gimple gs) 3654{ 3655 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 3656 return gs->gimple_omp_parallel.child_fn; 3657} 3658 3659/* Return a pointer to the child function used to hold the body of 3660 OMP_PARALLEL GS. */ 3661 3662static inline tree * 3663gimple_omp_parallel_child_fn_ptr (gimple gs) 3664{ 3665 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 3666 return &gs->gimple_omp_parallel.child_fn; 3667} 3668 3669 3670/* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */ 3671 3672static inline void 3673gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn) 3674{ 3675 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 3676 gs->gimple_omp_parallel.child_fn = child_fn; 3677} 3678 3679 3680/* Return the artificial argument used to send variables and values 3681 from the parent to the children threads in OMP_PARALLEL GS. */ 3682 3683static inline tree 3684gimple_omp_parallel_data_arg (const_gimple gs) 3685{ 3686 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 3687 return gs->gimple_omp_parallel.data_arg; 3688} 3689 3690 3691/* Return a pointer to the data argument for OMP_PARALLEL GS. */ 3692 3693static inline tree * 3694gimple_omp_parallel_data_arg_ptr (gimple gs) 3695{ 3696 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 3697 return &gs->gimple_omp_parallel.data_arg; 3698} 3699 3700 3701/* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */ 3702 3703static inline void 3704gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg) 3705{ 3706 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 3707 gs->gimple_omp_parallel.data_arg = data_arg; 3708} 3709 3710 3711/* Return the clauses associated with OMP_TASK GS. */ 3712 3713static inline tree 3714gimple_omp_task_clauses (const_gimple gs) 3715{ 3716 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3717 return gs->gimple_omp_parallel.clauses; 3718} 3719 3720 3721/* Return a pointer to the clauses associated with OMP_TASK GS. */ 3722 3723static inline tree * 3724gimple_omp_task_clauses_ptr (gimple gs) 3725{ 3726 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3727 return &gs->gimple_omp_parallel.clauses; 3728} 3729 3730 3731/* Set CLAUSES to be the list of clauses associated with OMP_TASK 3732 GS. */ 3733 3734static inline void 3735gimple_omp_task_set_clauses (gimple gs, tree clauses) 3736{ 3737 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3738 gs->gimple_omp_parallel.clauses = clauses; 3739} 3740 3741 3742/* Return the child function used to hold the body of OMP_TASK GS. */ 3743 3744static inline tree 3745gimple_omp_task_child_fn (const_gimple gs) 3746{ 3747 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3748 return gs->gimple_omp_parallel.child_fn; 3749} 3750 3751/* Return a pointer to the child function used to hold the body of 3752 OMP_TASK GS. */ 3753 3754static inline tree * 3755gimple_omp_task_child_fn_ptr (gimple gs) 3756{ 3757 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3758 return &gs->gimple_omp_parallel.child_fn; 3759} 3760 3761 3762/* Set CHILD_FN to be the child function for OMP_TASK GS. */ 3763 3764static inline void 3765gimple_omp_task_set_child_fn (gimple gs, tree child_fn) 3766{ 3767 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3768 gs->gimple_omp_parallel.child_fn = child_fn; 3769} 3770 3771 3772/* Return the artificial argument used to send variables and values 3773 from the parent to the children threads in OMP_TASK GS. */ 3774 3775static inline tree 3776gimple_omp_task_data_arg (const_gimple gs) 3777{ 3778 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3779 return gs->gimple_omp_parallel.data_arg; 3780} 3781 3782 3783/* Return a pointer to the data argument for OMP_TASK GS. */ 3784 3785static inline tree * 3786gimple_omp_task_data_arg_ptr (gimple gs) 3787{ 3788 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3789 return &gs->gimple_omp_parallel.data_arg; 3790} 3791 3792 3793/* Set DATA_ARG to be the data argument for OMP_TASK GS. */ 3794 3795static inline void 3796gimple_omp_task_set_data_arg (gimple gs, tree data_arg) 3797{ 3798 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3799 gs->gimple_omp_parallel.data_arg = data_arg; 3800} 3801 3802 3803/* Return the clauses associated with OMP_TASK GS. */ 3804 3805static inline tree 3806gimple_omp_taskreg_clauses (const_gimple gs) 3807{ 3808 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 3809 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3810 return gs->gimple_omp_parallel.clauses; 3811} 3812 3813 3814/* Return a pointer to the clauses associated with OMP_TASK GS. */ 3815 3816static inline tree * 3817gimple_omp_taskreg_clauses_ptr (gimple gs) 3818{ 3819 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 3820 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3821 return &gs->gimple_omp_parallel.clauses; 3822} 3823 3824 3825/* Set CLAUSES to be the list of clauses associated with OMP_TASK 3826 GS. */ 3827 3828static inline void 3829gimple_omp_taskreg_set_clauses (gimple gs, tree clauses) 3830{ 3831 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 3832 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3833 gs->gimple_omp_parallel.clauses = clauses; 3834} 3835 3836 3837/* Return the child function used to hold the body of OMP_TASK GS. */ 3838 3839static inline tree 3840gimple_omp_taskreg_child_fn (const_gimple gs) 3841{ 3842 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 3843 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3844 return gs->gimple_omp_parallel.child_fn; 3845} 3846 3847/* Return a pointer to the child function used to hold the body of 3848 OMP_TASK GS. */ 3849 3850static inline tree * 3851gimple_omp_taskreg_child_fn_ptr (gimple gs) 3852{ 3853 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 3854 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3855 return &gs->gimple_omp_parallel.child_fn; 3856} 3857 3858 3859/* Set CHILD_FN to be the child function for OMP_TASK GS. */ 3860 3861static inline void 3862gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn) 3863{ 3864 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 3865 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3866 gs->gimple_omp_parallel.child_fn = child_fn; 3867} 3868 3869 3870/* Return the artificial argument used to send variables and values 3871 from the parent to the children threads in OMP_TASK GS. */ 3872 3873static inline tree 3874gimple_omp_taskreg_data_arg (const_gimple gs) 3875{ 3876 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 3877 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3878 return gs->gimple_omp_parallel.data_arg; 3879} 3880 3881 3882/* Return a pointer to the data argument for OMP_TASK GS. */ 3883 3884static inline tree * 3885gimple_omp_taskreg_data_arg_ptr (gimple gs) 3886{ 3887 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 3888 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3889 return &gs->gimple_omp_parallel.data_arg; 3890} 3891 3892 3893/* Set DATA_ARG to be the data argument for OMP_TASK GS. */ 3894 3895static inline void 3896gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg) 3897{ 3898 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 3899 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3900 gs->gimple_omp_parallel.data_arg = data_arg; 3901} 3902 3903 3904/* Return the copy function used to hold the body of OMP_TASK GS. */ 3905 3906static inline tree 3907gimple_omp_task_copy_fn (const_gimple gs) 3908{ 3909 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3910 return gs->gimple_omp_task.copy_fn; 3911} 3912 3913/* Return a pointer to the copy function used to hold the body of 3914 OMP_TASK GS. */ 3915 3916static inline tree * 3917gimple_omp_task_copy_fn_ptr (gimple gs) 3918{ 3919 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3920 return &gs->gimple_omp_task.copy_fn; 3921} 3922 3923 3924/* Set CHILD_FN to be the copy function for OMP_TASK GS. */ 3925 3926static inline void 3927gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn) 3928{ 3929 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3930 gs->gimple_omp_task.copy_fn = copy_fn; 3931} 3932 3933 3934/* Return size of the data block in bytes in OMP_TASK GS. */ 3935 3936static inline tree 3937gimple_omp_task_arg_size (const_gimple gs) 3938{ 3939 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3940 return gs->gimple_omp_task.arg_size; 3941} 3942 3943 3944/* Return a pointer to the data block size for OMP_TASK GS. */ 3945 3946static inline tree * 3947gimple_omp_task_arg_size_ptr (gimple gs) 3948{ 3949 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3950 return &gs->gimple_omp_task.arg_size; 3951} 3952 3953 3954/* Set ARG_SIZE to be the data block size for OMP_TASK GS. */ 3955 3956static inline void 3957gimple_omp_task_set_arg_size (gimple gs, tree arg_size) 3958{ 3959 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3960 gs->gimple_omp_task.arg_size = arg_size; 3961} 3962 3963 3964/* Return align of the data block in bytes in OMP_TASK GS. */ 3965 3966static inline tree 3967gimple_omp_task_arg_align (const_gimple gs) 3968{ 3969 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3970 return gs->gimple_omp_task.arg_align; 3971} 3972 3973 3974/* Return a pointer to the data block align for OMP_TASK GS. */ 3975 3976static inline tree * 3977gimple_omp_task_arg_align_ptr (gimple gs) 3978{ 3979 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3980 return &gs->gimple_omp_task.arg_align; 3981} 3982 3983 3984/* Set ARG_SIZE to be the data block align for OMP_TASK GS. */ 3985 3986static inline void 3987gimple_omp_task_set_arg_align (gimple gs, tree arg_align) 3988{ 3989 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 3990 gs->gimple_omp_task.arg_align = arg_align; 3991} 3992 3993 3994/* Return the clauses associated with OMP_SINGLE GS. */ 3995 3996static inline tree 3997gimple_omp_single_clauses (const_gimple gs) 3998{ 3999 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE); 4000 return gs->gimple_omp_single.clauses; 4001} 4002 4003 4004/* Return a pointer to the clauses associated with OMP_SINGLE GS. */ 4005 4006static inline tree * 4007gimple_omp_single_clauses_ptr (gimple gs) 4008{ 4009 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE); 4010 return &gs->gimple_omp_single.clauses; 4011} 4012 4013 4014/* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */ 4015 4016static inline void 4017gimple_omp_single_set_clauses (gimple gs, tree clauses) 4018{ 4019 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE); 4020 gs->gimple_omp_single.clauses = clauses; 4021} 4022 4023 4024/* Return the clauses associated with OMP_SECTIONS GS. */ 4025 4026static inline tree 4027gimple_omp_sections_clauses (const_gimple gs) 4028{ 4029 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); 4030 return gs->gimple_omp_sections.clauses; 4031} 4032 4033 4034/* Return a pointer to the clauses associated with OMP_SECTIONS GS. */ 4035 4036static inline tree * 4037gimple_omp_sections_clauses_ptr (gimple gs) 4038{ 4039 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); 4040 return &gs->gimple_omp_sections.clauses; 4041} 4042 4043 4044/* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS 4045 GS. */ 4046 4047static inline void 4048gimple_omp_sections_set_clauses (gimple gs, tree clauses) 4049{ 4050 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); 4051 gs->gimple_omp_sections.clauses = clauses; 4052} 4053 4054 4055/* Return the control variable associated with the GIMPLE_OMP_SECTIONS 4056 in GS. */ 4057 4058static inline tree 4059gimple_omp_sections_control (const_gimple gs) 4060{ 4061 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); 4062 return gs->gimple_omp_sections.control; 4063} 4064 4065 4066/* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS 4067 GS. */ 4068 4069static inline tree * 4070gimple_omp_sections_control_ptr (gimple gs) 4071{ 4072 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); 4073 return &gs->gimple_omp_sections.control; 4074} 4075 4076 4077/* Set CONTROL to be the set of clauses associated with the 4078 GIMPLE_OMP_SECTIONS in GS. */ 4079 4080static inline void 4081gimple_omp_sections_set_control (gimple gs, tree control) 4082{ 4083 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); 4084 gs->gimple_omp_sections.control = control; 4085} 4086 4087 4088/* Set COND to be the condition code for OMP_FOR GS. */ 4089 4090static inline void 4091gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond) 4092{ 4093 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 4094 gcc_assert (TREE_CODE_CLASS (cond) == tcc_comparison); 4095 gcc_assert (i < gs->gimple_omp_for.collapse); 4096 gs->gimple_omp_for.iter[i].cond = cond; 4097} 4098 4099 4100/* Return the condition code associated with OMP_FOR GS. */ 4101 4102static inline enum tree_code 4103gimple_omp_for_cond (const_gimple gs, size_t i) 4104{ 4105 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 4106 gcc_assert (i < gs->gimple_omp_for.collapse); 4107 return gs->gimple_omp_for.iter[i].cond; 4108} 4109 4110 4111/* Set the value being stored in an atomic store. */ 4112 4113static inline void 4114gimple_omp_atomic_store_set_val (gimple g, tree val) 4115{ 4116 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE); 4117 g->gimple_omp_atomic_store.val = val; 4118} 4119 4120 4121/* Return the value being stored in an atomic store. */ 4122 4123static inline tree 4124gimple_omp_atomic_store_val (const_gimple g) 4125{ 4126 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE); 4127 return g->gimple_omp_atomic_store.val; 4128} 4129 4130 4131/* Return a pointer to the value being stored in an atomic store. */ 4132 4133static inline tree * 4134gimple_omp_atomic_store_val_ptr (gimple g) 4135{ 4136 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE); 4137 return &g->gimple_omp_atomic_store.val; 4138} 4139 4140 4141/* Set the LHS of an atomic load. */ 4142 4143static inline void 4144gimple_omp_atomic_load_set_lhs (gimple g, tree lhs) 4145{ 4146 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); 4147 g->gimple_omp_atomic_load.lhs = lhs; 4148} 4149 4150 4151/* Get the LHS of an atomic load. */ 4152 4153static inline tree 4154gimple_omp_atomic_load_lhs (const_gimple g) 4155{ 4156 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); 4157 return g->gimple_omp_atomic_load.lhs; 4158} 4159 4160 4161/* Return a pointer to the LHS of an atomic load. */ 4162 4163static inline tree * 4164gimple_omp_atomic_load_lhs_ptr (gimple g) 4165{ 4166 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); 4167 return &g->gimple_omp_atomic_load.lhs; 4168} 4169 4170 4171/* Set the RHS of an atomic load. */ 4172 4173static inline void 4174gimple_omp_atomic_load_set_rhs (gimple g, tree rhs) 4175{ 4176 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); 4177 g->gimple_omp_atomic_load.rhs = rhs; 4178} 4179 4180 4181/* Get the RHS of an atomic load. */ 4182 4183static inline tree 4184gimple_omp_atomic_load_rhs (const_gimple g) 4185{ 4186 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); 4187 return g->gimple_omp_atomic_load.rhs; 4188} 4189 4190 4191/* Return a pointer to the RHS of an atomic load. */ 4192 4193static inline tree * 4194gimple_omp_atomic_load_rhs_ptr (gimple g) 4195{ 4196 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); 4197 return &g->gimple_omp_atomic_load.rhs; 4198} 4199 4200 4201/* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */ 4202 4203static inline tree 4204gimple_omp_continue_control_def (const_gimple g) 4205{ 4206 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); 4207 return g->gimple_omp_continue.control_def; 4208} 4209 4210/* The same as above, but return the address. */ 4211 4212static inline tree * 4213gimple_omp_continue_control_def_ptr (gimple g) 4214{ 4215 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); 4216 return &g->gimple_omp_continue.control_def; 4217} 4218 4219/* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */ 4220 4221static inline void 4222gimple_omp_continue_set_control_def (gimple g, tree def) 4223{ 4224 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); 4225 g->gimple_omp_continue.control_def = def; 4226} 4227 4228 4229/* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */ 4230 4231static inline tree 4232gimple_omp_continue_control_use (const_gimple g) 4233{ 4234 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); 4235 return g->gimple_omp_continue.control_use; 4236} 4237 4238 4239/* The same as above, but return the address. */ 4240 4241static inline tree * 4242gimple_omp_continue_control_use_ptr (gimple g) 4243{ 4244 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); 4245 return &g->gimple_omp_continue.control_use; 4246} 4247 4248 4249/* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */ 4250 4251static inline void 4252gimple_omp_continue_set_control_use (gimple g, tree use) 4253{ 4254 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); 4255 g->gimple_omp_continue.control_use = use; 4256} 4257 4258 4259/* Return a pointer to the return value for GIMPLE_RETURN GS. */ 4260 4261static inline tree * 4262gimple_return_retval_ptr (const_gimple gs) 4263{ 4264 GIMPLE_CHECK (gs, GIMPLE_RETURN); 4265 return gimple_op_ptr (gs, 0); 4266} 4267 4268/* Return the return value for GIMPLE_RETURN GS. */ 4269 4270static inline tree 4271gimple_return_retval (const_gimple gs) 4272{ 4273 GIMPLE_CHECK (gs, GIMPLE_RETURN); 4274 return gimple_op (gs, 0); 4275} 4276 4277 4278/* Set RETVAL to be the return value for GIMPLE_RETURN GS. */ 4279 4280static inline void 4281gimple_return_set_retval (gimple gs, tree retval) 4282{ 4283 GIMPLE_CHECK (gs, GIMPLE_RETURN); 4284 gimple_set_op (gs, 0, retval); 4285} 4286 4287 4288/* Returns true when the gimple statment STMT is any of the OpenMP types. */ 4289 4290#define CASE_GIMPLE_OMP \ 4291 case GIMPLE_OMP_PARALLEL: \ 4292 case GIMPLE_OMP_TASK: \ 4293 case GIMPLE_OMP_FOR: \ 4294 case GIMPLE_OMP_SECTIONS: \ 4295 case GIMPLE_OMP_SECTIONS_SWITCH: \ 4296 case GIMPLE_OMP_SINGLE: \ 4297 case GIMPLE_OMP_SECTION: \ 4298 case GIMPLE_OMP_MASTER: \ 4299 case GIMPLE_OMP_ORDERED: \ 4300 case GIMPLE_OMP_CRITICAL: \ 4301 case GIMPLE_OMP_RETURN: \ 4302 case GIMPLE_OMP_ATOMIC_LOAD: \ 4303 case GIMPLE_OMP_ATOMIC_STORE: \ 4304 case GIMPLE_OMP_CONTINUE 4305 4306static inline bool 4307is_gimple_omp (const_gimple stmt) 4308{ 4309 switch (gimple_code (stmt)) 4310 { 4311 CASE_GIMPLE_OMP: 4312 return true; 4313 default: 4314 return false; 4315 } 4316} 4317 4318 4319/* Returns TRUE if statement G is a GIMPLE_NOP. */ 4320 4321static inline bool 4322gimple_nop_p (const_gimple g) 4323{ 4324 return gimple_code (g) == GIMPLE_NOP; 4325} 4326 4327 4328/* Return true if GS is a GIMPLE_RESX. */ 4329 4330static inline bool 4331is_gimple_resx (const_gimple gs) 4332{ 4333 return gimple_code (gs) == GIMPLE_RESX; 4334} 4335 4336/* Return the predictor of GIMPLE_PREDICT statement GS. */ 4337 4338static inline enum br_predictor 4339gimple_predict_predictor (gimple gs) 4340{ 4341 GIMPLE_CHECK (gs, GIMPLE_PREDICT); 4342 return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN); 4343} 4344 4345 4346/* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */ 4347 4348static inline void 4349gimple_predict_set_predictor (gimple gs, enum br_predictor predictor) 4350{ 4351 GIMPLE_CHECK (gs, GIMPLE_PREDICT); 4352 gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN) 4353 | (unsigned) predictor; 4354} 4355 4356 4357/* Return the outcome of GIMPLE_PREDICT statement GS. */ 4358 4359static inline enum prediction 4360gimple_predict_outcome (gimple gs) 4361{ 4362 GIMPLE_CHECK (gs, GIMPLE_PREDICT); 4363 return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN; 4364} 4365 4366 4367/* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */ 4368 4369static inline void 4370gimple_predict_set_outcome (gimple gs, enum prediction outcome) 4371{ 4372 GIMPLE_CHECK (gs, GIMPLE_PREDICT); 4373 if (outcome == TAKEN) 4374 gs->gsbase.subcode |= GF_PREDICT_TAKEN; 4375 else 4376 gs->gsbase.subcode &= ~GF_PREDICT_TAKEN; 4377} 4378 4379 4380/* Return the type of the main expression computed by STMT. Return 4381 void_type_node if the statement computes nothing. */ 4382 4383static inline tree 4384gimple_expr_type (const_gimple stmt) 4385{ 4386 enum gimple_code code = gimple_code (stmt); 4387 4388 if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL) 4389 { 4390 tree type; 4391 /* In general we want to pass out a type that can be substituted 4392 for both the RHS and the LHS types if there is a possibly 4393 useless conversion involved. That means returning the 4394 original RHS type as far as we can reconstruct it. */ 4395 if (code == GIMPLE_CALL) 4396 type = gimple_call_return_type (stmt); 4397 else 4398 switch (gimple_assign_rhs_code (stmt)) 4399 { 4400 case POINTER_PLUS_EXPR: 4401 type = TREE_TYPE (gimple_assign_rhs1 (stmt)); 4402 break; 4403 4404 default: 4405 /* As fallback use the type of the LHS. */ 4406 type = TREE_TYPE (gimple_get_lhs (stmt)); 4407 break; 4408 } 4409 return type; 4410 } 4411 else if (code == GIMPLE_COND) 4412 return boolean_type_node; 4413 else 4414 return void_type_node; 4415} 4416 4417 4418/* Return a new iterator pointing to GIMPLE_SEQ's first statement. */ 4419 4420static inline gimple_stmt_iterator 4421gsi_start (gimple_seq seq) 4422{ 4423 gimple_stmt_iterator i; 4424 4425 i.ptr = gimple_seq_first (seq); 4426 i.seq = seq; 4427 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL; 4428 4429 return i; 4430} 4431 4432 4433/* Return a new iterator pointing to the first statement in basic block BB. */ 4434 4435static inline gimple_stmt_iterator 4436gsi_start_bb (basic_block bb) 4437{ 4438 gimple_stmt_iterator i; 4439 gimple_seq seq; 4440 4441 seq = bb_seq (bb); 4442 i.ptr = gimple_seq_first (seq); 4443 i.seq = seq; 4444 i.bb = bb; 4445 4446 return i; 4447} 4448 4449 4450/* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */ 4451 4452static inline gimple_stmt_iterator 4453gsi_last (gimple_seq seq) 4454{ 4455 gimple_stmt_iterator i; 4456 4457 i.ptr = gimple_seq_last (seq); 4458 i.seq = seq; 4459 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL; 4460 4461 return i; 4462} 4463 4464 4465/* Return a new iterator pointing to the last statement in basic block BB. */ 4466 4467static inline gimple_stmt_iterator 4468gsi_last_bb (basic_block bb) 4469{ 4470 gimple_stmt_iterator i; 4471 gimple_seq seq; 4472 4473 seq = bb_seq (bb); 4474 i.ptr = gimple_seq_last (seq); 4475 i.seq = seq; 4476 i.bb = bb; 4477 4478 return i; 4479} 4480 4481 4482/* Return true if I is at the end of its sequence. */ 4483 4484static inline bool 4485gsi_end_p (gimple_stmt_iterator i) 4486{ 4487 return i.ptr == NULL; 4488} 4489 4490 4491/* Return true if I is one statement before the end of its sequence. */ 4492 4493static inline bool 4494gsi_one_before_end_p (gimple_stmt_iterator i) 4495{ 4496 return i.ptr != NULL && i.ptr->next == NULL; 4497} 4498 4499 4500/* Advance the iterator to the next gimple statement. */ 4501 4502static inline void 4503gsi_next (gimple_stmt_iterator *i) 4504{ 4505 i->ptr = i->ptr->next; 4506} 4507 4508/* Advance the iterator to the previous gimple statement. */ 4509 4510static inline void 4511gsi_prev (gimple_stmt_iterator *i) 4512{ 4513 i->ptr = i->ptr->prev; 4514} 4515 4516/* Return the current stmt. */ 4517 4518static inline gimple 4519gsi_stmt (gimple_stmt_iterator i) 4520{ 4521 return i.ptr->stmt; 4522} 4523 4524/* Return a block statement iterator that points to the first non-label 4525 statement in block BB. */ 4526 4527static inline gimple_stmt_iterator 4528gsi_after_labels (basic_block bb) 4529{ 4530 gimple_stmt_iterator gsi = gsi_start_bb (bb); 4531 4532 while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL) 4533 gsi_next (&gsi); 4534 4535 return gsi; 4536} 4537 4538/* Advance the iterator to the next non-debug gimple statement. */ 4539 4540static inline void 4541gsi_next_nondebug (gimple_stmt_iterator *i) 4542{ 4543 do 4544 { 4545 gsi_next (i); 4546 } 4547 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i))); 4548} 4549 4550/* Advance the iterator to the next non-debug gimple statement. */ 4551 4552static inline void 4553gsi_prev_nondebug (gimple_stmt_iterator *i) 4554{ 4555 do 4556 { 4557 gsi_prev (i); 4558 } 4559 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i))); 4560} 4561 4562/* Return a new iterator pointing to the first non-debug statement in 4563 basic block BB. */ 4564 4565static inline gimple_stmt_iterator 4566gsi_start_nondebug_bb (basic_block bb) 4567{ 4568 gimple_stmt_iterator i = gsi_start_bb (bb); 4569 4570 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i))) 4571 gsi_next_nondebug (&i); 4572 4573 return i; 4574} 4575 4576/* Return a new iterator pointing to the last non-debug statement in 4577 basic block BB. */ 4578 4579static inline gimple_stmt_iterator 4580gsi_last_nondebug_bb (basic_block bb) 4581{ 4582 gimple_stmt_iterator i = gsi_last_bb (bb); 4583 4584 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i))) 4585 gsi_prev_nondebug (&i); 4586 4587 return i; 4588} 4589 4590/* Return a pointer to the current stmt. 4591 4592 NOTE: You may want to use gsi_replace on the iterator itself, 4593 as this performs additional bookkeeping that will not be done 4594 if you simply assign through a pointer returned by gsi_stmt_ptr. */ 4595 4596static inline gimple * 4597gsi_stmt_ptr (gimple_stmt_iterator *i) 4598{ 4599 return &i->ptr->stmt; 4600} 4601 4602 4603/* Return the basic block associated with this iterator. */ 4604 4605static inline basic_block 4606gsi_bb (gimple_stmt_iterator i) 4607{ 4608 return i.bb; 4609} 4610 4611 4612/* Return the sequence associated with this iterator. */ 4613 4614static inline gimple_seq 4615gsi_seq (gimple_stmt_iterator i) 4616{ 4617 return i.seq; 4618} 4619 4620 4621enum gsi_iterator_update 4622{ 4623 GSI_NEW_STMT, /* Only valid when single statement is added, move 4624 iterator to it. */ 4625 GSI_SAME_STMT, /* Leave the iterator at the same statement. */ 4626 GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable 4627 for linking other statements in the same 4628 direction. */ 4629}; 4630 4631/* In gimple-iterator.c */ 4632gimple_stmt_iterator gsi_start_phis (basic_block); 4633gimple_seq gsi_split_seq_after (gimple_stmt_iterator); 4634gimple_seq gsi_split_seq_before (gimple_stmt_iterator *); 4635void gsi_replace (gimple_stmt_iterator *, gimple, bool); 4636void gsi_insert_before (gimple_stmt_iterator *, gimple, 4637 enum gsi_iterator_update); 4638void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple, 4639 enum gsi_iterator_update); 4640void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq, 4641 enum gsi_iterator_update); 4642void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq, 4643 enum gsi_iterator_update); 4644void gsi_insert_after (gimple_stmt_iterator *, gimple, 4645 enum gsi_iterator_update); 4646void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple, 4647 enum gsi_iterator_update); 4648void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq, 4649 enum gsi_iterator_update); 4650void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq, 4651 enum gsi_iterator_update); 4652void gsi_remove (gimple_stmt_iterator *, bool); 4653gimple_stmt_iterator gsi_for_stmt (gimple); 4654void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *); 4655void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *); 4656void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *); 4657void gsi_insert_on_edge (edge, gimple); 4658void gsi_insert_seq_on_edge (edge, gimple_seq); 4659basic_block gsi_insert_on_edge_immediate (edge, gimple); 4660basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq); 4661void gsi_commit_one_edge_insert (edge, basic_block *); 4662void gsi_commit_edge_inserts (void); 4663gimple gimple_call_copy_skip_args (gimple, bitmap); 4664 4665 4666/* Convenience routines to walk all statements of a gimple function. 4667 Note that this is useful exclusively before the code is converted 4668 into SSA form. Once the program is in SSA form, the standard 4669 operand interface should be used to analyze/modify statements. */ 4670struct walk_stmt_info 4671{ 4672 /* Points to the current statement being walked. */ 4673 gimple_stmt_iterator gsi; 4674 4675 /* Additional data that the callback functions may want to carry 4676 through the recursion. */ 4677 void *info; 4678 4679 /* Pointer map used to mark visited tree nodes when calling 4680 walk_tree on each operand. If set to NULL, duplicate tree nodes 4681 will be visited more than once. */ 4682 struct pointer_set_t *pset; 4683 4684 /* Indicates whether the operand being examined may be replaced 4685 with something that matches is_gimple_val (if true) or something 4686 slightly more complicated (if false). "Something" technically 4687 means the common subset of is_gimple_lvalue and is_gimple_rhs, 4688 but we never try to form anything more complicated than that, so 4689 we don't bother checking. 4690 4691 Also note that CALLBACK should update this flag while walking the 4692 sub-expressions of a statement. For instance, when walking the 4693 statement 'foo (&var)', the flag VAL_ONLY will initially be set 4694 to true, however, when walking &var, the operand of that 4695 ADDR_EXPR does not need to be a GIMPLE value. */ 4696 bool val_only; 4697 4698 /* True if we are currently walking the LHS of an assignment. */ 4699 bool is_lhs; 4700 4701 /* Optional. Set to true by the callback functions if they made any 4702 changes. */ 4703 bool changed; 4704 4705 /* True if we're interested in location information. */ 4706 bool want_locations; 4707 4708 /* Operand returned by the callbacks. This is set when calling 4709 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback 4710 returns non-NULL, this field will contain the tree returned by 4711 the last callback. */ 4712 tree callback_result; 4713}; 4714 4715/* Callback for walk_gimple_stmt. Called for every statement found 4716 during traversal. The first argument points to the statement to 4717 walk. The second argument is a flag that the callback sets to 4718 'true' if it the callback handled all the operands and 4719 sub-statements of the statement (the default value of this flag is 4720 'false'). The third argument is an anonymous pointer to data 4721 to be used by the callback. */ 4722typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *, 4723 struct walk_stmt_info *); 4724 4725gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn, 4726 struct walk_stmt_info *); 4727tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn, 4728 struct walk_stmt_info *); 4729tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *); 4730 4731#ifdef GATHER_STATISTICS 4732/* Enum and arrays used for allocation stats. Keep in sync with 4733 gimple.c:gimple_alloc_kind_names. */ 4734enum gimple_alloc_kind 4735{ 4736 gimple_alloc_kind_assign, /* Assignments. */ 4737 gimple_alloc_kind_phi, /* PHI nodes. */ 4738 gimple_alloc_kind_cond, /* Conditionals. */ 4739 gimple_alloc_kind_seq, /* Sequences. */ 4740 gimple_alloc_kind_rest, /* Everything else. */ 4741 gimple_alloc_kind_all 4742}; 4743 4744extern int gimple_alloc_counts[]; 4745extern int gimple_alloc_sizes[]; 4746 4747/* Return the allocation kind for a given stmt CODE. */ 4748static inline enum gimple_alloc_kind 4749gimple_alloc_kind (enum gimple_code code) 4750{ 4751 switch (code) 4752 { 4753 case GIMPLE_ASSIGN: 4754 return gimple_alloc_kind_assign; 4755 case GIMPLE_PHI: 4756 return gimple_alloc_kind_phi; 4757 case GIMPLE_COND: 4758 return gimple_alloc_kind_cond; 4759 default: 4760 return gimple_alloc_kind_rest; 4761 } 4762} 4763#endif /* GATHER_STATISTICS */ 4764 4765extern void dump_gimple_statistics (void); 4766 4767#endif /* GCC_GIMPLE_H */ 4768