1 /* Gimple IR definitions. 2 3 Copyright 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. 4 Contributed by Aldy Hernandez <aldyh@redhat.com> 5 6 This file is part of GCC. 7 8 GCC is free software; you can redistribute it and/or modify it under 9 the terms of the GNU General Public License as published by the Free 10 Software Foundation; either version 3, or (at your option) any later 11 version. 12 13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 14 WARRANTY; without even the implied warranty of MERCHANTABILITY or 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 16 for more details. 17 18 You should have received a copy of the GNU General Public License 19 along 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 "vecprim.h" 28 #include "vecir.h" 29 #include "ggc.h" 30 #include "basic-block.h" 31 #include "tree-ssa-operands.h" 32 #include "tree-ssa-alias.h" 33 #include "internal-fn.h" 34 35 struct gimple_seq_node_d; 36 typedef struct gimple_seq_node_d *gimple_seq_node; 37 typedef const struct gimple_seq_node_d *const_gimple_seq_node; 38 39 /* For each block, the PHI nodes that need to be rewritten are stored into 40 these vectors. */ 41 typedef VEC(gimple, heap) *gimple_vec; 42 DEF_VEC_P (gimple_vec); 43 DEF_VEC_ALLOC_P (gimple_vec, heap); 44 45 enum gimple_code { 46 #define DEFGSCODE(SYM, STRING, STRUCT) SYM, 47 #include "gimple.def" 48 #undef DEFGSCODE 49 LAST_AND_UNUSED_GIMPLE_CODE 50 }; 51 52 extern const char *const gimple_code_name[]; 53 extern const unsigned char gimple_rhs_class_table[]; 54 55 /* Error out if a gimple tuple is addressed incorrectly. */ 56 #if defined ENABLE_GIMPLE_CHECKING 57 #define gcc_gimple_checking_assert(EXPR) gcc_assert (EXPR) 58 extern void gimple_check_failed (const_gimple, const char *, int, \ 59 const char *, enum gimple_code, \ 60 enum tree_code) ATTRIBUTE_NORETURN; 61 62 #define GIMPLE_CHECK(GS, CODE) \ 63 do { \ 64 const_gimple __gs = (GS); \ 65 if (gimple_code (__gs) != (CODE)) \ 66 gimple_check_failed (__gs, __FILE__, __LINE__, __FUNCTION__, \ 67 (CODE), ERROR_MARK); \ 68 } while (0) 69 #else /* not ENABLE_GIMPLE_CHECKING */ 70 #define gcc_gimple_checking_assert(EXPR) ((void)(0 && (EXPR))) 71 #define GIMPLE_CHECK(GS, CODE) (void)0 72 #endif 73 74 /* Class of GIMPLE expressions suitable for the RHS of assignments. See 75 get_gimple_rhs_class. */ 76 enum gimple_rhs_class 77 { 78 GIMPLE_INVALID_RHS, /* The expression cannot be used on the RHS. */ 79 GIMPLE_TERNARY_RHS, /* The expression is a ternary operation. */ 80 GIMPLE_BINARY_RHS, /* The expression is a binary operation. */ 81 GIMPLE_UNARY_RHS, /* The expression is a unary operation. */ 82 GIMPLE_SINGLE_RHS /* The expression is a single object (an SSA 83 name, a _DECL, a _REF, etc. */ 84 }; 85 86 /* Specific flags for individual GIMPLE statements. These flags are 87 always stored in gimple_statement_base.subcode and they may only be 88 defined for statement codes that do not use sub-codes. 89 90 Values for the masks can overlap as long as the overlapping values 91 are never used in the same statement class. 92 93 The maximum mask value that can be defined is 1 << 15 (i.e., each 94 statement code can hold up to 16 bitflags). 95 96 Keep this list sorted. */ 97 enum gf_mask { 98 GF_ASM_INPUT = 1 << 0, 99 GF_ASM_VOLATILE = 1 << 1, 100 GF_CALL_FROM_THUNK = 1 << 0, 101 GF_CALL_RETURN_SLOT_OPT = 1 << 1, 102 GF_CALL_TAILCALL = 1 << 2, 103 GF_CALL_VA_ARG_PACK = 1 << 3, 104 GF_CALL_NOTHROW = 1 << 4, 105 GF_CALL_ALLOCA_FOR_VAR = 1 << 5, 106 GF_CALL_INTERNAL = 1 << 6, 107 GF_OMP_PARALLEL_COMBINED = 1 << 0, 108 109 /* True on an GIMPLE_OMP_RETURN statement if the return does not require 110 a thread synchronization via some sort of barrier. The exact barrier 111 that would otherwise be emitted is dependent on the OMP statement with 112 which this return is associated. */ 113 GF_OMP_RETURN_NOWAIT = 1 << 0, 114 115 GF_OMP_SECTION_LAST = 1 << 0, 116 GF_OMP_ATOMIC_NEED_VALUE = 1 << 0, 117 GF_PREDICT_TAKEN = 1 << 15 118 }; 119 120 /* Currently, there are only two types of gimple debug stmt. Others are 121 envisioned, for example, to enable the generation of is_stmt notes 122 in line number information, to mark sequence points, etc. This 123 subcode is to be used to tell them apart. */ 124 enum gimple_debug_subcode { 125 GIMPLE_DEBUG_BIND = 0, 126 GIMPLE_DEBUG_SOURCE_BIND = 1 127 }; 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. */ 131 enum plf_mask { 132 GF_PLF_1 = 1 << 0, 133 GF_PLF_2 = 1 << 1 134 }; 135 136 /* A node in a gimple_seq_d. */ 137 struct 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. */ 144 struct 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. */ 158 159 static inline gimple_seq_node 160 gimple_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. */ 167 168 static inline gimple 169 gimple_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. */ 177 178 static inline gimple_seq_node 179 gimple_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. */ 186 187 static inline gimple 188 gimple_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. */ 196 197 static inline void 198 gimple_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. */ 205 206 static inline void 207 gimple_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. */ 214 215 static inline bool 216 gimple_seq_empty_p (const_gimple_seq s) 217 { 218 return s == NULL || s->first == NULL; 219 } 220 221 222 void 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. */ 229 void gimple_seq_add_stmt_without_update (gimple_seq *, gimple); 230 231 /* Allocate a new sequence and initialize its first element with STMT. */ 232 233 static inline gimple_seq 234 gimple_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. */ 243 244 static inline gimple_seq 245 bb_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. */ 252 253 static inline void 254 set_bb_seq (basic_block bb, gimple_seq seq) 255 { 256 gcc_checking_assert (!(bb->flags & BB_RTL)); 257 bb->il.gimple->seq = seq; 258 } 259 260 /* Iterator object for GIMPLE statement sequences. */ 261 262 typedef 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. */ 278 279 struct 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. */ 340 341 struct 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. */ 357 358 struct 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. */ 372 373 struct 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. */ 387 388 struct 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 /* Call statements that take both memory and register operands. */ 402 403 struct GTY(()) gimple_statement_call 404 { 405 /* [ WORD 1-8 ] */ 406 struct gimple_statement_with_memory_ops_base membase; 407 408 /* [ WORD 9-12 ] */ 409 struct pt_solution call_used; 410 struct pt_solution call_clobbered; 411 412 /* [ WORD 13 ] */ 413 union GTY ((desc ("%1.membase.opbase.gsbase.subcode & GF_CALL_INTERNAL"))) { 414 tree GTY ((tag ("0"))) fntype; 415 enum internal_fn GTY ((tag ("GF_CALL_INTERNAL"))) internal_fn; 416 } u; 417 418 /* [ WORD 14 ] 419 Operand vector. NOTE! This must always be the last field 420 of this structure. In particular, this means that this 421 structure cannot be embedded inside another one. */ 422 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1]; 423 }; 424 425 426 /* OpenMP statements (#pragma omp). */ 427 428 struct GTY(()) gimple_statement_omp { 429 /* [ WORD 1-4 ] */ 430 struct gimple_statement_base gsbase; 431 432 /* [ WORD 5 ] */ 433 gimple_seq body; 434 }; 435 436 437 /* GIMPLE_BIND */ 438 439 struct GTY(()) gimple_statement_bind { 440 /* [ WORD 1-4 ] */ 441 struct gimple_statement_base gsbase; 442 443 /* [ WORD 5 ] 444 Variables declared in this scope. */ 445 tree vars; 446 447 /* [ WORD 6 ] 448 This is different than the BLOCK field in gimple_statement_base, 449 which is analogous to TREE_BLOCK (i.e., the lexical block holding 450 this statement). This field is the equivalent of BIND_EXPR_BLOCK 451 in tree land (i.e., the lexical scope defined by this bind). See 452 gimple-low.c. */ 453 tree block; 454 455 /* [ WORD 7 ] */ 456 gimple_seq body; 457 }; 458 459 460 /* GIMPLE_CATCH */ 461 462 struct GTY(()) gimple_statement_catch { 463 /* [ WORD 1-4 ] */ 464 struct gimple_statement_base gsbase; 465 466 /* [ WORD 5 ] */ 467 tree types; 468 469 /* [ WORD 6 ] */ 470 gimple_seq handler; 471 }; 472 473 474 /* GIMPLE_EH_FILTER */ 475 476 struct GTY(()) gimple_statement_eh_filter { 477 /* [ WORD 1-4 ] */ 478 struct gimple_statement_base gsbase; 479 480 /* [ WORD 5 ] 481 Filter types. */ 482 tree types; 483 484 /* [ WORD 6 ] 485 Failure actions. */ 486 gimple_seq failure; 487 }; 488 489 /* GIMPLE_EH_ELSE */ 490 491 struct GTY(()) gimple_statement_eh_else { 492 /* [ WORD 1-4 ] */ 493 struct gimple_statement_base gsbase; 494 495 /* [ WORD 5,6 ] */ 496 gimple_seq n_body, e_body; 497 }; 498 499 /* GIMPLE_EH_MUST_NOT_THROW */ 500 501 struct GTY(()) gimple_statement_eh_mnt { 502 /* [ WORD 1-4 ] */ 503 struct gimple_statement_base gsbase; 504 505 /* [ WORD 5 ] Abort function decl. */ 506 tree fndecl; 507 }; 508 509 /* GIMPLE_PHI */ 510 511 struct GTY(()) gimple_statement_phi { 512 /* [ WORD 1-4 ] */ 513 struct gimple_statement_base gsbase; 514 515 /* [ WORD 5 ] */ 516 unsigned capacity; 517 unsigned nargs; 518 519 /* [ WORD 6 ] */ 520 tree result; 521 522 /* [ WORD 7 ] */ 523 struct phi_arg_d GTY ((length ("%h.nargs"))) args[1]; 524 }; 525 526 527 /* GIMPLE_RESX, GIMPLE_EH_DISPATCH */ 528 529 struct GTY(()) gimple_statement_eh_ctrl 530 { 531 /* [ WORD 1-4 ] */ 532 struct gimple_statement_base gsbase; 533 534 /* [ WORD 5 ] 535 Exception region number. */ 536 int region; 537 }; 538 539 540 /* GIMPLE_TRY */ 541 542 struct GTY(()) gimple_statement_try { 543 /* [ WORD 1-4 ] */ 544 struct gimple_statement_base gsbase; 545 546 /* [ WORD 5 ] 547 Expression to evaluate. */ 548 gimple_seq eval; 549 550 /* [ WORD 6 ] 551 Cleanup expression. */ 552 gimple_seq cleanup; 553 }; 554 555 /* Kind of GIMPLE_TRY statements. */ 556 enum gimple_try_flags 557 { 558 /* A try/catch. */ 559 GIMPLE_TRY_CATCH = 1 << 0, 560 561 /* A try/finally. */ 562 GIMPLE_TRY_FINALLY = 1 << 1, 563 GIMPLE_TRY_KIND = GIMPLE_TRY_CATCH | GIMPLE_TRY_FINALLY, 564 565 /* Analogous to TRY_CATCH_IS_CLEANUP. */ 566 GIMPLE_TRY_CATCH_IS_CLEANUP = 1 << 2 567 }; 568 569 /* GIMPLE_WITH_CLEANUP_EXPR */ 570 571 struct GTY(()) gimple_statement_wce { 572 /* [ WORD 1-4 ] */ 573 struct gimple_statement_base gsbase; 574 575 /* Subcode: CLEANUP_EH_ONLY. True if the cleanup should only be 576 executed if an exception is thrown, not on normal exit of its 577 scope. This flag is analogous to the CLEANUP_EH_ONLY flag 578 in TARGET_EXPRs. */ 579 580 /* [ WORD 5 ] 581 Cleanup expression. */ 582 gimple_seq cleanup; 583 }; 584 585 586 /* GIMPLE_ASM */ 587 588 struct GTY(()) gimple_statement_asm 589 { 590 /* [ WORD 1-8 ] */ 591 struct gimple_statement_with_memory_ops_base membase; 592 593 /* [ WORD 9 ] 594 __asm__ statement. */ 595 const char *string; 596 597 /* [ WORD 10 ] 598 Number of inputs, outputs, clobbers, labels. */ 599 unsigned char ni; 600 unsigned char no; 601 unsigned char nc; 602 unsigned char nl; 603 604 /* [ WORD 11 ] 605 Operand vector. NOTE! This must always be the last field 606 of this structure. In particular, this means that this 607 structure cannot be embedded inside another one. */ 608 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1]; 609 }; 610 611 /* GIMPLE_OMP_CRITICAL */ 612 613 struct GTY(()) gimple_statement_omp_critical { 614 /* [ WORD 1-5 ] */ 615 struct gimple_statement_omp omp; 616 617 /* [ WORD 6 ] 618 Critical section name. */ 619 tree name; 620 }; 621 622 623 struct GTY(()) gimple_omp_for_iter { 624 /* Condition code. */ 625 enum tree_code cond; 626 627 /* Index variable. */ 628 tree index; 629 630 /* Initial value. */ 631 tree initial; 632 633 /* Final value. */ 634 tree final; 635 636 /* Increment. */ 637 tree incr; 638 }; 639 640 /* GIMPLE_OMP_FOR */ 641 642 struct GTY(()) gimple_statement_omp_for { 643 /* [ WORD 1-5 ] */ 644 struct gimple_statement_omp omp; 645 646 /* [ WORD 6 ] */ 647 tree clauses; 648 649 /* [ WORD 7 ] 650 Number of elements in iter array. */ 651 size_t collapse; 652 653 /* [ WORD 8 ] */ 654 struct gimple_omp_for_iter * GTY((length ("%h.collapse"))) iter; 655 656 /* [ WORD 9 ] 657 Pre-body evaluated before the loop body begins. */ 658 gimple_seq pre_body; 659 }; 660 661 662 /* GIMPLE_OMP_PARALLEL */ 663 664 struct GTY(()) gimple_statement_omp_parallel { 665 /* [ WORD 1-5 ] */ 666 struct gimple_statement_omp omp; 667 668 /* [ WORD 6 ] 669 Clauses. */ 670 tree clauses; 671 672 /* [ WORD 7 ] 673 Child function holding the body of the parallel region. */ 674 tree child_fn; 675 676 /* [ WORD 8 ] 677 Shared data argument. */ 678 tree data_arg; 679 }; 680 681 682 /* GIMPLE_OMP_TASK */ 683 684 struct GTY(()) gimple_statement_omp_task { 685 /* [ WORD 1-8 ] */ 686 struct gimple_statement_omp_parallel par; 687 688 /* [ WORD 9 ] 689 Child function holding firstprivate initialization if needed. */ 690 tree copy_fn; 691 692 /* [ WORD 10-11 ] 693 Size and alignment in bytes of the argument data block. */ 694 tree arg_size; 695 tree arg_align; 696 }; 697 698 699 /* GIMPLE_OMP_SECTION */ 700 /* Uses struct gimple_statement_omp. */ 701 702 703 /* GIMPLE_OMP_SECTIONS */ 704 705 struct GTY(()) gimple_statement_omp_sections { 706 /* [ WORD 1-5 ] */ 707 struct gimple_statement_omp omp; 708 709 /* [ WORD 6 ] */ 710 tree clauses; 711 712 /* [ WORD 7 ] 713 The control variable used for deciding which of the sections to 714 execute. */ 715 tree control; 716 }; 717 718 /* GIMPLE_OMP_CONTINUE. 719 720 Note: This does not inherit from gimple_statement_omp, because we 721 do not need the body field. */ 722 723 struct GTY(()) gimple_statement_omp_continue { 724 /* [ WORD 1-4 ] */ 725 struct gimple_statement_base gsbase; 726 727 /* [ WORD 5 ] */ 728 tree control_def; 729 730 /* [ WORD 6 ] */ 731 tree control_use; 732 }; 733 734 /* GIMPLE_OMP_SINGLE */ 735 736 struct GTY(()) gimple_statement_omp_single { 737 /* [ WORD 1-5 ] */ 738 struct gimple_statement_omp omp; 739 740 /* [ WORD 6 ] */ 741 tree clauses; 742 }; 743 744 745 /* GIMPLE_OMP_ATOMIC_LOAD. 746 Note: This is based on gimple_statement_base, not g_s_omp, because g_s_omp 747 contains a sequence, which we don't need here. */ 748 749 struct GTY(()) gimple_statement_omp_atomic_load { 750 /* [ WORD 1-4 ] */ 751 struct gimple_statement_base gsbase; 752 753 /* [ WORD 5-6 ] */ 754 tree rhs, lhs; 755 }; 756 757 /* GIMPLE_OMP_ATOMIC_STORE. 758 See note on GIMPLE_OMP_ATOMIC_LOAD. */ 759 760 struct GTY(()) gimple_statement_omp_atomic_store { 761 /* [ WORD 1-4 ] */ 762 struct gimple_statement_base gsbase; 763 764 /* [ WORD 5 ] */ 765 tree val; 766 }; 767 768 /* GIMPLE_TRANSACTION. */ 769 770 /* Bits to be stored in the GIMPLE_TRANSACTION subcode. */ 771 772 /* The __transaction_atomic was declared [[outer]] or it is 773 __transaction_relaxed. */ 774 #define GTMA_IS_OUTER (1u << 0) 775 #define GTMA_IS_RELAXED (1u << 1) 776 #define GTMA_DECLARATION_MASK (GTMA_IS_OUTER | GTMA_IS_RELAXED) 777 778 /* The transaction is seen to not have an abort. */ 779 #define GTMA_HAVE_ABORT (1u << 2) 780 /* The transaction is seen to have loads or stores. */ 781 #define GTMA_HAVE_LOAD (1u << 3) 782 #define GTMA_HAVE_STORE (1u << 4) 783 /* The transaction MAY enter serial irrevocable mode in its dynamic scope. */ 784 #define GTMA_MAY_ENTER_IRREVOCABLE (1u << 5) 785 /* The transaction WILL enter serial irrevocable mode. 786 An irrevocable block post-dominates the entire transaction, such 787 that all invocations of the transaction will go serial-irrevocable. 788 In such case, we don't bother instrumenting the transaction, and 789 tell the runtime that it should begin the transaction in 790 serial-irrevocable mode. */ 791 #define GTMA_DOES_GO_IRREVOCABLE (1u << 6) 792 793 struct GTY(()) gimple_statement_transaction 794 { 795 /* [ WORD 1-10 ] */ 796 struct gimple_statement_with_memory_ops_base gsbase; 797 798 /* [ WORD 11 ] */ 799 gimple_seq body; 800 801 /* [ WORD 12 ] */ 802 tree label; 803 }; 804 805 #define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) SYM, 806 enum gimple_statement_structure_enum { 807 #include "gsstruct.def" 808 LAST_GSS_ENUM 809 }; 810 #undef DEFGSSTRUCT 811 812 813 /* Define the overall contents of a gimple tuple. It may be any of the 814 structures declared above for various types of tuples. */ 815 816 union GTY ((desc ("gimple_statement_structure (&%h)"), variable_size)) gimple_statement_d { 817 struct gimple_statement_base GTY ((tag ("GSS_BASE"))) gsbase; 818 struct gimple_statement_with_ops GTY ((tag ("GSS_WITH_OPS"))) gsops; 819 struct gimple_statement_with_memory_ops_base GTY ((tag ("GSS_WITH_MEM_OPS_BASE"))) gsmembase; 820 struct gimple_statement_with_memory_ops GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem; 821 struct gimple_statement_call GTY ((tag ("GSS_CALL"))) gimple_call; 822 struct gimple_statement_omp GTY ((tag ("GSS_OMP"))) omp; 823 struct gimple_statement_bind GTY ((tag ("GSS_BIND"))) gimple_bind; 824 struct gimple_statement_catch GTY ((tag ("GSS_CATCH"))) gimple_catch; 825 struct gimple_statement_eh_filter GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter; 826 struct gimple_statement_eh_mnt GTY ((tag ("GSS_EH_MNT"))) gimple_eh_mnt; 827 struct gimple_statement_eh_else GTY ((tag ("GSS_EH_ELSE"))) gimple_eh_else; 828 struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi; 829 struct gimple_statement_eh_ctrl GTY ((tag ("GSS_EH_CTRL"))) gimple_eh_ctrl; 830 struct gimple_statement_try GTY ((tag ("GSS_TRY"))) gimple_try; 831 struct gimple_statement_wce GTY ((tag ("GSS_WCE"))) gimple_wce; 832 struct gimple_statement_asm GTY ((tag ("GSS_ASM"))) gimple_asm; 833 struct gimple_statement_omp_critical GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical; 834 struct gimple_statement_omp_for GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for; 835 struct gimple_statement_omp_parallel GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel; 836 struct gimple_statement_omp_task GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task; 837 struct gimple_statement_omp_sections GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections; 838 struct gimple_statement_omp_single GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single; 839 struct gimple_statement_omp_continue GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue; 840 struct gimple_statement_omp_atomic_load GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load; 841 struct gimple_statement_omp_atomic_store GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store; 842 struct gimple_statement_transaction GTY((tag ("GSS_TRANSACTION"))) gimple_transaction; 843 }; 844 845 /* In gimple.c. */ 846 847 /* Offset in bytes to the location of the operand vector. 848 Zero if there is no operand vector for this tuple structure. */ 849 extern size_t const gimple_ops_offset_[]; 850 851 /* Map GIMPLE codes to GSS codes. */ 852 extern enum gimple_statement_structure_enum const gss_for_code_[]; 853 854 /* This variable holds the currently expanded gimple statement for purposes 855 of comminucating the profile info to the builtin expanders. */ 856 extern gimple currently_expanding_gimple_stmt; 857 858 gimple gimple_build_return (tree); 859 860 gimple gimple_build_assign_stat (tree, tree MEM_STAT_DECL); 861 #define gimple_build_assign(l,r) gimple_build_assign_stat (l, r MEM_STAT_INFO) 862 863 void extract_ops_from_tree_1 (tree, enum tree_code *, tree *, tree *, tree *); 864 865 gimple gimple_build_assign_with_ops_stat (enum tree_code, tree, tree, 866 tree, tree MEM_STAT_DECL); 867 #define gimple_build_assign_with_ops(c,o1,o2,o3) \ 868 gimple_build_assign_with_ops_stat (c, o1, o2, o3, NULL_TREE MEM_STAT_INFO) 869 #define gimple_build_assign_with_ops3(c,o1,o2,o3,o4) \ 870 gimple_build_assign_with_ops_stat (c, o1, o2, o3, o4 MEM_STAT_INFO) 871 872 gimple gimple_build_debug_bind_stat (tree, tree, gimple MEM_STAT_DECL); 873 #define gimple_build_debug_bind(var,val,stmt) \ 874 gimple_build_debug_bind_stat ((var), (val), (stmt) MEM_STAT_INFO) 875 gimple gimple_build_debug_source_bind_stat (tree, tree, gimple MEM_STAT_DECL); 876 #define gimple_build_debug_source_bind(var,val,stmt) \ 877 gimple_build_debug_source_bind_stat ((var), (val), (stmt) MEM_STAT_INFO) 878 879 gimple gimple_build_call_vec (tree, VEC(tree, heap) *); 880 gimple gimple_build_call (tree, unsigned, ...); 881 gimple gimple_build_call_valist (tree, unsigned, va_list); 882 gimple gimple_build_call_internal (enum internal_fn, unsigned, ...); 883 gimple gimple_build_call_internal_vec (enum internal_fn, VEC(tree, heap) *); 884 gimple gimple_build_call_from_tree (tree); 885 gimple gimplify_assign (tree, tree, gimple_seq *); 886 gimple gimple_build_cond (enum tree_code, tree, tree, tree, tree); 887 gimple gimple_build_label (tree label); 888 gimple gimple_build_goto (tree dest); 889 gimple gimple_build_nop (void); 890 gimple gimple_build_bind (tree, gimple_seq, tree); 891 gimple gimple_build_asm_vec (const char *, VEC(tree,gc) *, VEC(tree,gc) *, 892 VEC(tree,gc) *, VEC(tree,gc) *); 893 gimple gimple_build_catch (tree, gimple_seq); 894 gimple gimple_build_eh_filter (tree, gimple_seq); 895 gimple gimple_build_eh_must_not_throw (tree); 896 gimple gimple_build_eh_else (gimple_seq, gimple_seq); 897 gimple gimple_build_try (gimple_seq, gimple_seq, enum gimple_try_flags); 898 gimple gimple_build_wce (gimple_seq); 899 gimple gimple_build_resx (int); 900 gimple gimple_build_eh_dispatch (int); 901 gimple gimple_build_switch_nlabels (unsigned, tree, tree); 902 gimple gimple_build_switch (unsigned, tree, tree, ...); 903 gimple gimple_build_switch_vec (tree, tree, VEC(tree,heap) *); 904 gimple gimple_build_omp_parallel (gimple_seq, tree, tree, tree); 905 gimple gimple_build_omp_task (gimple_seq, tree, tree, tree, tree, tree, tree); 906 gimple gimple_build_omp_for (gimple_seq, tree, size_t, gimple_seq); 907 gimple gimple_build_omp_critical (gimple_seq, tree); 908 gimple gimple_build_omp_section (gimple_seq); 909 gimple gimple_build_omp_continue (tree, tree); 910 gimple gimple_build_omp_master (gimple_seq); 911 gimple gimple_build_omp_return (bool); 912 gimple gimple_build_omp_ordered (gimple_seq); 913 gimple gimple_build_omp_sections (gimple_seq, tree); 914 gimple gimple_build_omp_sections_switch (void); 915 gimple gimple_build_omp_single (gimple_seq, tree); 916 gimple gimple_build_cdt (tree, tree); 917 gimple gimple_build_omp_atomic_load (tree, tree); 918 gimple gimple_build_omp_atomic_store (tree); 919 gimple gimple_build_transaction (gimple_seq, tree); 920 gimple gimple_build_predict (enum br_predictor, enum prediction); 921 enum gimple_statement_structure_enum gss_for_assign (enum tree_code); 922 void sort_case_labels (VEC(tree,heap) *); 923 void gimple_set_body (tree, gimple_seq); 924 gimple_seq gimple_body (tree); 925 bool gimple_has_body_p (tree); 926 gimple_seq gimple_seq_alloc (void); 927 void gimple_seq_free (gimple_seq); 928 void gimple_seq_add_seq (gimple_seq *, gimple_seq); 929 gimple_seq gimple_seq_copy (gimple_seq); 930 bool gimple_call_same_target_p (const_gimple, const_gimple); 931 int gimple_call_flags (const_gimple); 932 int gimple_call_return_flags (const_gimple); 933 int gimple_call_arg_flags (const_gimple, unsigned); 934 void gimple_call_reset_alias_info (gimple); 935 bool gimple_assign_copy_p (gimple); 936 bool gimple_assign_ssa_name_copy_p (gimple); 937 bool gimple_assign_unary_nop_p (gimple); 938 void gimple_set_bb (gimple, struct basic_block_def *); 939 void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree); 940 void gimple_assign_set_rhs_with_ops_1 (gimple_stmt_iterator *, enum tree_code, 941 tree, tree, tree); 942 tree gimple_get_lhs (const_gimple); 943 void gimple_set_lhs (gimple, tree); 944 void gimple_replace_lhs (gimple, tree); 945 gimple gimple_copy (gimple); 946 void gimple_set_modified (gimple, bool); 947 void gimple_cond_get_ops_from_tree (tree, enum tree_code *, tree *, tree *); 948 gimple gimple_build_cond_from_tree (tree, tree, tree); 949 void gimple_cond_set_condition_from_tree (gimple, tree); 950 bool gimple_has_side_effects (const_gimple); 951 bool gimple_could_trap_p (gimple); 952 bool gimple_could_trap_p_1 (gimple, bool, bool); 953 bool gimple_assign_rhs_could_trap_p (gimple); 954 void gimple_regimplify_operands (gimple, gimple_stmt_iterator *); 955 bool empty_body_p (gimple_seq); 956 unsigned get_gimple_rhs_num_ops (enum tree_code); 957 #define gimple_alloc(c, n) gimple_alloc_stat (c, n MEM_STAT_INFO) 958 gimple gimple_alloc_stat (enum gimple_code, unsigned MEM_STAT_DECL); 959 const char *gimple_decl_printable_name (tree, int); 960 tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree); 961 void gimple_adjust_this_by_delta (gimple_stmt_iterator *, tree); 962 tree gimple_extract_devirt_binfo_from_cst (tree); 963 /* Returns true iff T is a valid GIMPLE statement. */ 964 extern bool is_gimple_stmt (tree); 965 966 /* Returns true iff T is a scalar register variable. */ 967 extern bool is_gimple_reg (tree); 968 /* Returns true iff T is any sort of variable. */ 969 extern bool is_gimple_variable (tree); 970 /* Returns true iff T is any sort of symbol. */ 971 extern bool is_gimple_id (tree); 972 /* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */ 973 extern bool is_gimple_min_lval (tree); 974 /* Returns true iff T is something whose address can be taken. */ 975 extern bool is_gimple_addressable (tree); 976 /* Returns true iff T is any valid GIMPLE lvalue. */ 977 extern bool is_gimple_lvalue (tree); 978 979 /* Returns true iff T is a GIMPLE address. */ 980 bool is_gimple_address (const_tree); 981 /* Returns true iff T is a GIMPLE invariant address. */ 982 bool is_gimple_invariant_address (const_tree); 983 /* Returns true iff T is a GIMPLE invariant address at interprocedural 984 level. */ 985 bool is_gimple_ip_invariant_address (const_tree); 986 /* Returns true iff T is a valid GIMPLE constant. */ 987 bool is_gimple_constant (const_tree); 988 /* Returns true iff T is a GIMPLE restricted function invariant. */ 989 extern bool is_gimple_min_invariant (const_tree); 990 /* Returns true iff T is a GIMPLE restricted interprecodural invariant. */ 991 extern bool is_gimple_ip_invariant (const_tree); 992 /* Returns true iff T is a GIMPLE rvalue. */ 993 extern bool is_gimple_val (tree); 994 /* Returns true iff T is a GIMPLE asm statement input. */ 995 extern bool is_gimple_asm_val (tree); 996 /* Returns true iff T is a valid address operand of a MEM_REF. */ 997 bool is_gimple_mem_ref_addr (tree); 998 /* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a 999 GIMPLE temporary, a renamed user variable, or something else, 1000 respectively. */ 1001 extern bool is_gimple_reg_rhs (tree); 1002 extern bool is_gimple_mem_rhs (tree); 1003 1004 /* Returns true iff T is a valid if-statement condition. */ 1005 extern bool is_gimple_condexpr (tree); 1006 1007 /* Returns true iff T is a valid call address expression. */ 1008 extern bool is_gimple_call_addr (tree); 1009 1010 extern void recalculate_side_effects (tree); 1011 extern bool gimple_compare_field_offset (tree, tree); 1012 extern tree gimple_register_type (tree); 1013 extern tree gimple_register_canonical_type (tree); 1014 extern void print_gimple_types_stats (void); 1015 extern void free_gimple_type_tables (void); 1016 extern tree gimple_unsigned_type (tree); 1017 extern tree gimple_signed_type (tree); 1018 extern alias_set_type gimple_get_alias_set (tree); 1019 extern void count_uses_and_derefs (tree, gimple, unsigned *, unsigned *, 1020 unsigned *); 1021 extern bool walk_stmt_load_store_addr_ops (gimple, void *, 1022 bool (*)(gimple, tree, void *), 1023 bool (*)(gimple, tree, void *), 1024 bool (*)(gimple, tree, void *)); 1025 extern bool walk_stmt_load_store_ops (gimple, void *, 1026 bool (*)(gimple, tree, void *), 1027 bool (*)(gimple, tree, void *)); 1028 extern bool gimple_ior_addresses_taken (bitmap, gimple); 1029 extern bool gimple_call_builtin_class_p (gimple, enum built_in_class); 1030 extern bool gimple_call_builtin_p (gimple, enum built_in_function); 1031 extern bool gimple_asm_clobbers_memory_p (const_gimple); 1032 1033 /* In gimplify.c */ 1034 extern tree create_tmp_var_raw (tree, const char *); 1035 extern tree create_tmp_var_name (const char *); 1036 extern tree create_tmp_var (tree, const char *); 1037 extern tree create_tmp_reg (tree, const char *); 1038 extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *); 1039 extern tree get_formal_tmp_var (tree, gimple_seq *); 1040 extern void declare_vars (tree, gimple, bool); 1041 extern void annotate_all_with_location (gimple_seq, location_t); 1042 1043 /* Validation of GIMPLE expressions. Note that these predicates only check 1044 the basic form of the expression, they don't recurse to make sure that 1045 underlying nodes are also of the right form. */ 1046 typedef bool (*gimple_predicate)(tree); 1047 1048 1049 /* FIXME we should deduce this from the predicate. */ 1050 enum fallback { 1051 fb_none = 0, /* Do not generate a temporary. */ 1052 1053 fb_rvalue = 1, /* Generate an rvalue to hold the result of a 1054 gimplified expression. */ 1055 1056 fb_lvalue = 2, /* Generate an lvalue to hold the result of a 1057 gimplified expression. */ 1058 1059 fb_mayfail = 4, /* Gimplification may fail. Error issued 1060 afterwards. */ 1061 fb_either= fb_rvalue | fb_lvalue 1062 }; 1063 1064 typedef int fallback_t; 1065 1066 enum gimplify_status { 1067 GS_ERROR = -2, /* Something Bad Seen. */ 1068 GS_UNHANDLED = -1, /* A langhook result for "I dunno". */ 1069 GS_OK = 0, /* We did something, maybe more to do. */ 1070 GS_ALL_DONE = 1 /* The expression is fully gimplified. */ 1071 }; 1072 1073 struct gimplify_ctx 1074 { 1075 struct gimplify_ctx *prev_context; 1076 1077 VEC(gimple,heap) *bind_expr_stack; 1078 tree temps; 1079 gimple_seq conditional_cleanups; 1080 tree exit_label; 1081 tree return_temp; 1082 1083 VEC(tree,heap) *case_labels; 1084 /* The formal temporary table. Should this be persistent? */ 1085 htab_t temp_htab; 1086 1087 int conditions; 1088 bool save_stack; 1089 bool into_ssa; 1090 bool allow_rhs_cond_expr; 1091 bool in_cleanup_point_expr; 1092 }; 1093 1094 /* Return true if gimplify_one_sizepos doesn't need to gimplify 1095 expr (when in TYPE_SIZE{,_UNIT} and similar type/decl size/bitsize 1096 fields). */ 1097 static inline bool 1098 is_gimple_sizepos (tree expr) 1099 { 1100 /* gimplify_one_sizepos doesn't need to do anything if the value isn't there, 1101 is constant, or contains A PLACEHOLDER_EXPR. We also don't want to do 1102 anything if it's already a VAR_DECL. If it's a VAR_DECL from another 1103 function, the gimplifier will want to replace it with a new variable, 1104 but that will cause problems if this type is from outside the function. 1105 It's OK to have that here. */ 1106 return (expr == NULL_TREE 1107 || TREE_CONSTANT (expr) 1108 || TREE_CODE (expr) == VAR_DECL 1109 || CONTAINS_PLACEHOLDER_P (expr)); 1110 } 1111 1112 extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *, 1113 bool (*) (tree), fallback_t); 1114 extern void gimplify_type_sizes (tree, gimple_seq *); 1115 extern void gimplify_one_sizepos (tree *, gimple_seq *); 1116 extern bool gimplify_stmt (tree *, gimple_seq *); 1117 extern gimple gimplify_body (tree, bool); 1118 extern void push_gimplify_context (struct gimplify_ctx *); 1119 extern void pop_gimplify_context (gimple); 1120 extern void gimplify_and_add (tree, gimple_seq *); 1121 1122 /* Miscellaneous helpers. */ 1123 extern void gimple_add_tmp_var (tree); 1124 extern gimple gimple_current_bind_expr (void); 1125 extern VEC(gimple, heap) *gimple_bind_expr_stack (void); 1126 extern tree voidify_wrapper_expr (tree, tree); 1127 extern tree build_and_jump (tree *); 1128 extern tree force_labels_r (tree *, int *, void *); 1129 extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *, 1130 gimple_seq *); 1131 struct gimplify_omp_ctx; 1132 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree); 1133 extern tree gimple_boolify (tree); 1134 extern gimple_predicate rhs_predicate_for (tree); 1135 extern tree canonicalize_cond_expr_cond (tree); 1136 1137 /* In omp-low.c. */ 1138 extern tree omp_reduction_init (tree, tree); 1139 1140 /* In trans-mem.c. */ 1141 extern void diagnose_tm_safe_errors (tree); 1142 extern void compute_transaction_bits (void); 1143 1144 /* In tree-nested.c. */ 1145 extern void lower_nested_functions (tree); 1146 extern void insert_field_into_struct (tree, tree); 1147 1148 /* In gimplify.c. */ 1149 extern void gimplify_function_tree (tree); 1150 1151 /* In cfgexpand.c. */ 1152 extern tree gimple_assign_rhs_to_tree (gimple); 1153 1154 /* In builtins.c */ 1155 extern bool validate_gimple_arglist (const_gimple, ...); 1156 1157 /* In tree-ssa.c */ 1158 extern bool tree_ssa_useless_type_conversion (tree); 1159 extern tree tree_ssa_strip_useless_type_conversions (tree); 1160 extern bool useless_type_conversion_p (tree, tree); 1161 extern bool types_compatible_p (tree, tree); 1162 1163 /* Return the code for GIMPLE statement G. */ 1164 1165 static inline enum gimple_code 1166 gimple_code (const_gimple g) 1167 { 1168 return g->gsbase.code; 1169 } 1170 1171 1172 /* Return the GSS code used by a GIMPLE code. */ 1173 1174 static inline enum gimple_statement_structure_enum 1175 gss_for_code (enum gimple_code code) 1176 { 1177 gcc_gimple_checking_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE); 1178 return gss_for_code_[code]; 1179 } 1180 1181 1182 /* Return which GSS code is used by GS. */ 1183 1184 static inline enum gimple_statement_structure_enum 1185 gimple_statement_structure (gimple gs) 1186 { 1187 return gss_for_code (gimple_code (gs)); 1188 } 1189 1190 1191 /* Return true if statement G has sub-statements. This is only true for 1192 High GIMPLE statements. */ 1193 1194 static inline bool 1195 gimple_has_substatements (gimple g) 1196 { 1197 switch (gimple_code (g)) 1198 { 1199 case GIMPLE_BIND: 1200 case GIMPLE_CATCH: 1201 case GIMPLE_EH_FILTER: 1202 case GIMPLE_EH_ELSE: 1203 case GIMPLE_TRY: 1204 case GIMPLE_OMP_FOR: 1205 case GIMPLE_OMP_MASTER: 1206 case GIMPLE_OMP_ORDERED: 1207 case GIMPLE_OMP_SECTION: 1208 case GIMPLE_OMP_PARALLEL: 1209 case GIMPLE_OMP_TASK: 1210 case GIMPLE_OMP_SECTIONS: 1211 case GIMPLE_OMP_SINGLE: 1212 case GIMPLE_OMP_CRITICAL: 1213 case GIMPLE_WITH_CLEANUP_EXPR: 1214 case GIMPLE_TRANSACTION: 1215 return true; 1216 1217 default: 1218 return false; 1219 } 1220 } 1221 1222 1223 /* Return the basic block holding statement G. */ 1224 1225 static inline struct basic_block_def * 1226 gimple_bb (const_gimple g) 1227 { 1228 return g->gsbase.bb; 1229 } 1230 1231 1232 /* Return the lexical scope block holding statement G. */ 1233 1234 static inline tree 1235 gimple_block (const_gimple g) 1236 { 1237 return g->gsbase.block; 1238 } 1239 1240 1241 /* Set BLOCK to be the lexical scope block holding statement G. */ 1242 1243 static inline void 1244 gimple_set_block (gimple g, tree block) 1245 { 1246 g->gsbase.block = block; 1247 } 1248 1249 1250 /* Return location information for statement G. */ 1251 1252 static inline location_t 1253 gimple_location (const_gimple g) 1254 { 1255 return g->gsbase.location; 1256 } 1257 1258 /* Return pointer to location information for statement G. */ 1259 1260 static inline const location_t * 1261 gimple_location_ptr (const_gimple g) 1262 { 1263 return &g->gsbase.location; 1264 } 1265 1266 1267 /* Set location information for statement G. */ 1268 1269 static inline void 1270 gimple_set_location (gimple g, location_t location) 1271 { 1272 g->gsbase.location = location; 1273 } 1274 1275 1276 /* Return true if G contains location information. */ 1277 1278 static inline bool 1279 gimple_has_location (const_gimple g) 1280 { 1281 return gimple_location (g) != UNKNOWN_LOCATION; 1282 } 1283 1284 1285 /* Return the file name of the location of STMT. */ 1286 1287 static inline const char * 1288 gimple_filename (const_gimple stmt) 1289 { 1290 return LOCATION_FILE (gimple_location (stmt)); 1291 } 1292 1293 1294 /* Return the line number of the location of STMT. */ 1295 1296 static inline int 1297 gimple_lineno (const_gimple stmt) 1298 { 1299 return LOCATION_LINE (gimple_location (stmt)); 1300 } 1301 1302 1303 /* Determine whether SEQ is a singleton. */ 1304 1305 static inline bool 1306 gimple_seq_singleton_p (gimple_seq seq) 1307 { 1308 return ((gimple_seq_first (seq) != NULL) 1309 && (gimple_seq_first (seq) == gimple_seq_last (seq))); 1310 } 1311 1312 /* Return true if no warnings should be emitted for statement STMT. */ 1313 1314 static inline bool 1315 gimple_no_warning_p (const_gimple stmt) 1316 { 1317 return stmt->gsbase.no_warning; 1318 } 1319 1320 /* Set the no_warning flag of STMT to NO_WARNING. */ 1321 1322 static inline void 1323 gimple_set_no_warning (gimple stmt, bool no_warning) 1324 { 1325 stmt->gsbase.no_warning = (unsigned) no_warning; 1326 } 1327 1328 /* Set the visited status on statement STMT to VISITED_P. */ 1329 1330 static inline void 1331 gimple_set_visited (gimple stmt, bool visited_p) 1332 { 1333 stmt->gsbase.visited = (unsigned) visited_p; 1334 } 1335 1336 1337 /* Return the visited status for statement STMT. */ 1338 1339 static inline bool 1340 gimple_visited_p (gimple stmt) 1341 { 1342 return stmt->gsbase.visited; 1343 } 1344 1345 1346 /* Set pass local flag PLF on statement STMT to VAL_P. */ 1347 1348 static inline void 1349 gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p) 1350 { 1351 if (val_p) 1352 stmt->gsbase.plf |= (unsigned int) plf; 1353 else 1354 stmt->gsbase.plf &= ~((unsigned int) plf); 1355 } 1356 1357 1358 /* Return the value of pass local flag PLF on statement STMT. */ 1359 1360 static inline unsigned int 1361 gimple_plf (gimple stmt, enum plf_mask plf) 1362 { 1363 return stmt->gsbase.plf & ((unsigned int) plf); 1364 } 1365 1366 1367 /* Set the UID of statement. */ 1368 1369 static inline void 1370 gimple_set_uid (gimple g, unsigned uid) 1371 { 1372 g->gsbase.uid = uid; 1373 } 1374 1375 1376 /* Return the UID of statement. */ 1377 1378 static inline unsigned 1379 gimple_uid (const_gimple g) 1380 { 1381 return g->gsbase.uid; 1382 } 1383 1384 1385 /* Return true if GIMPLE statement G has register or memory operands. */ 1386 1387 static inline bool 1388 gimple_has_ops (const_gimple g) 1389 { 1390 return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN; 1391 } 1392 1393 1394 /* Return true if GIMPLE statement G has memory operands. */ 1395 1396 static inline bool 1397 gimple_has_mem_ops (const_gimple g) 1398 { 1399 return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN; 1400 } 1401 1402 1403 /* Return the set of DEF operands for statement G. */ 1404 1405 static inline struct def_optype_d * 1406 gimple_def_ops (const_gimple g) 1407 { 1408 if (!gimple_has_ops (g)) 1409 return NULL; 1410 return g->gsops.opbase.def_ops; 1411 } 1412 1413 1414 /* Set DEF to be the set of DEF operands for statement G. */ 1415 1416 static inline void 1417 gimple_set_def_ops (gimple g, struct def_optype_d *def) 1418 { 1419 gcc_gimple_checking_assert (gimple_has_ops (g)); 1420 g->gsops.opbase.def_ops = def; 1421 } 1422 1423 1424 /* Return the set of USE operands for statement G. */ 1425 1426 static inline struct use_optype_d * 1427 gimple_use_ops (const_gimple g) 1428 { 1429 if (!gimple_has_ops (g)) 1430 return NULL; 1431 return g->gsops.opbase.use_ops; 1432 } 1433 1434 1435 /* Set USE to be the set of USE operands for statement G. */ 1436 1437 static inline void 1438 gimple_set_use_ops (gimple g, struct use_optype_d *use) 1439 { 1440 gcc_gimple_checking_assert (gimple_has_ops (g)); 1441 g->gsops.opbase.use_ops = use; 1442 } 1443 1444 1445 /* Return the set of VUSE operand for statement G. */ 1446 1447 static inline use_operand_p 1448 gimple_vuse_op (const_gimple g) 1449 { 1450 struct use_optype_d *ops; 1451 if (!gimple_has_mem_ops (g)) 1452 return NULL_USE_OPERAND_P; 1453 ops = g->gsops.opbase.use_ops; 1454 if (ops 1455 && USE_OP_PTR (ops)->use == &g->gsmembase.vuse) 1456 return USE_OP_PTR (ops); 1457 return NULL_USE_OPERAND_P; 1458 } 1459 1460 /* Return the set of VDEF operand for statement G. */ 1461 1462 static inline def_operand_p 1463 gimple_vdef_op (const_gimple g) 1464 { 1465 struct def_optype_d *ops; 1466 if (!gimple_has_mem_ops (g)) 1467 return NULL_DEF_OPERAND_P; 1468 ops = g->gsops.opbase.def_ops; 1469 if (ops 1470 && DEF_OP_PTR (ops) == &g->gsmembase.vdef) 1471 return DEF_OP_PTR (ops); 1472 return NULL_DEF_OPERAND_P; 1473 } 1474 1475 1476 /* Return the single VUSE operand of the statement G. */ 1477 1478 static inline tree 1479 gimple_vuse (const_gimple g) 1480 { 1481 if (!gimple_has_mem_ops (g)) 1482 return NULL_TREE; 1483 return g->gsmembase.vuse; 1484 } 1485 1486 /* Return the single VDEF operand of the statement G. */ 1487 1488 static inline tree 1489 gimple_vdef (const_gimple g) 1490 { 1491 if (!gimple_has_mem_ops (g)) 1492 return NULL_TREE; 1493 return g->gsmembase.vdef; 1494 } 1495 1496 /* Return the single VUSE operand of the statement G. */ 1497 1498 static inline tree * 1499 gimple_vuse_ptr (gimple g) 1500 { 1501 if (!gimple_has_mem_ops (g)) 1502 return NULL; 1503 return &g->gsmembase.vuse; 1504 } 1505 1506 /* Return the single VDEF operand of the statement G. */ 1507 1508 static inline tree * 1509 gimple_vdef_ptr (gimple g) 1510 { 1511 if (!gimple_has_mem_ops (g)) 1512 return NULL; 1513 return &g->gsmembase.vdef; 1514 } 1515 1516 /* Set the single VUSE operand of the statement G. */ 1517 1518 static inline void 1519 gimple_set_vuse (gimple g, tree vuse) 1520 { 1521 gcc_gimple_checking_assert (gimple_has_mem_ops (g)); 1522 g->gsmembase.vuse = vuse; 1523 } 1524 1525 /* Set the single VDEF operand of the statement G. */ 1526 1527 static inline void 1528 gimple_set_vdef (gimple g, tree vdef) 1529 { 1530 gcc_gimple_checking_assert (gimple_has_mem_ops (g)); 1531 g->gsmembase.vdef = vdef; 1532 } 1533 1534 1535 /* Return true if statement G has operands and the modified field has 1536 been set. */ 1537 1538 static inline bool 1539 gimple_modified_p (const_gimple g) 1540 { 1541 return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false; 1542 } 1543 1544 1545 /* Return the tree code for the expression computed by STMT. This is 1546 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For 1547 GIMPLE_CALL, return CALL_EXPR as the expression code for 1548 consistency. This is useful when the caller needs to deal with the 1549 three kinds of computation that GIMPLE supports. */ 1550 1551 static inline enum tree_code 1552 gimple_expr_code (const_gimple stmt) 1553 { 1554 enum gimple_code code = gimple_code (stmt); 1555 if (code == GIMPLE_ASSIGN || code == GIMPLE_COND) 1556 return (enum tree_code) stmt->gsbase.subcode; 1557 else 1558 { 1559 gcc_gimple_checking_assert (code == GIMPLE_CALL); 1560 return CALL_EXPR; 1561 } 1562 } 1563 1564 1565 /* Mark statement S as modified, and update it. */ 1566 1567 static inline void 1568 update_stmt (gimple s) 1569 { 1570 if (gimple_has_ops (s)) 1571 { 1572 gimple_set_modified (s, true); 1573 update_stmt_operands (s); 1574 } 1575 } 1576 1577 /* Update statement S if it has been optimized. */ 1578 1579 static inline void 1580 update_stmt_if_modified (gimple s) 1581 { 1582 if (gimple_modified_p (s)) 1583 update_stmt_operands (s); 1584 } 1585 1586 /* Return true if statement STMT contains volatile operands. */ 1587 1588 static inline bool 1589 gimple_has_volatile_ops (const_gimple stmt) 1590 { 1591 if (gimple_has_mem_ops (stmt)) 1592 return stmt->gsbase.has_volatile_ops; 1593 else 1594 return false; 1595 } 1596 1597 1598 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */ 1599 1600 static inline void 1601 gimple_set_has_volatile_ops (gimple stmt, bool volatilep) 1602 { 1603 if (gimple_has_mem_ops (stmt)) 1604 stmt->gsbase.has_volatile_ops = (unsigned) volatilep; 1605 } 1606 1607 /* Return true if BB is in a transaction. */ 1608 1609 static inline bool 1610 block_in_transaction (basic_block bb) 1611 { 1612 return flag_tm && bb->flags & BB_IN_TRANSACTION; 1613 } 1614 1615 /* Return true if STMT is in a transaction. */ 1616 1617 static inline bool 1618 gimple_in_transaction (gimple stmt) 1619 { 1620 return block_in_transaction (gimple_bb (stmt)); 1621 } 1622 1623 /* Return true if statement STMT may access memory. */ 1624 1625 static inline bool 1626 gimple_references_memory_p (gimple stmt) 1627 { 1628 return gimple_has_mem_ops (stmt) && gimple_vuse (stmt); 1629 } 1630 1631 1632 /* Return the subcode for OMP statement S. */ 1633 1634 static inline unsigned 1635 gimple_omp_subcode (const_gimple s) 1636 { 1637 gcc_gimple_checking_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD 1638 && gimple_code (s) <= GIMPLE_OMP_SINGLE); 1639 return s->gsbase.subcode; 1640 } 1641 1642 /* Set the subcode for OMP statement S to SUBCODE. */ 1643 1644 static inline void 1645 gimple_omp_set_subcode (gimple s, unsigned int subcode) 1646 { 1647 /* We only have 16 bits for the subcode. Assert that we are not 1648 overflowing it. */ 1649 gcc_gimple_checking_assert (subcode < (1 << 16)); 1650 s->gsbase.subcode = subcode; 1651 } 1652 1653 /* Set the nowait flag on OMP_RETURN statement S. */ 1654 1655 static inline void 1656 gimple_omp_return_set_nowait (gimple s) 1657 { 1658 GIMPLE_CHECK (s, GIMPLE_OMP_RETURN); 1659 s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT; 1660 } 1661 1662 1663 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT 1664 flag set. */ 1665 1666 static inline bool 1667 gimple_omp_return_nowait_p (const_gimple g) 1668 { 1669 GIMPLE_CHECK (g, GIMPLE_OMP_RETURN); 1670 return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0; 1671 } 1672 1673 1674 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST 1675 flag set. */ 1676 1677 static inline bool 1678 gimple_omp_section_last_p (const_gimple g) 1679 { 1680 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION); 1681 return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0; 1682 } 1683 1684 1685 /* Set the GF_OMP_SECTION_LAST flag on G. */ 1686 1687 static inline void 1688 gimple_omp_section_set_last (gimple g) 1689 { 1690 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION); 1691 g->gsbase.subcode |= GF_OMP_SECTION_LAST; 1692 } 1693 1694 1695 /* Return true if OMP parallel statement G has the 1696 GF_OMP_PARALLEL_COMBINED flag set. */ 1697 1698 static inline bool 1699 gimple_omp_parallel_combined_p (const_gimple g) 1700 { 1701 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL); 1702 return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0; 1703 } 1704 1705 1706 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean 1707 value of COMBINED_P. */ 1708 1709 static inline void 1710 gimple_omp_parallel_set_combined_p (gimple g, bool combined_p) 1711 { 1712 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL); 1713 if (combined_p) 1714 g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED; 1715 else 1716 g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED; 1717 } 1718 1719 1720 /* Return true if OMP atomic load/store statement G has the 1721 GF_OMP_ATOMIC_NEED_VALUE flag set. */ 1722 1723 static inline bool 1724 gimple_omp_atomic_need_value_p (const_gimple g) 1725 { 1726 if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD) 1727 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE); 1728 return (gimple_omp_subcode (g) & GF_OMP_ATOMIC_NEED_VALUE) != 0; 1729 } 1730 1731 1732 /* Set the GF_OMP_ATOMIC_NEED_VALUE flag on G. */ 1733 1734 static inline void 1735 gimple_omp_atomic_set_need_value (gimple g) 1736 { 1737 if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD) 1738 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE); 1739 g->gsbase.subcode |= GF_OMP_ATOMIC_NEED_VALUE; 1740 } 1741 1742 1743 /* Return the number of operands for statement GS. */ 1744 1745 static inline unsigned 1746 gimple_num_ops (const_gimple gs) 1747 { 1748 return gs->gsbase.num_ops; 1749 } 1750 1751 1752 /* Set the number of operands for statement GS. */ 1753 1754 static inline void 1755 gimple_set_num_ops (gimple gs, unsigned num_ops) 1756 { 1757 gs->gsbase.num_ops = num_ops; 1758 } 1759 1760 1761 /* Return the array of operands for statement GS. */ 1762 1763 static inline tree * 1764 gimple_ops (gimple gs) 1765 { 1766 size_t off; 1767 1768 /* All the tuples have their operand vector at the very bottom 1769 of the structure. Note that those structures that do not 1770 have an operand vector have a zero offset. */ 1771 off = gimple_ops_offset_[gimple_statement_structure (gs)]; 1772 gcc_gimple_checking_assert (off != 0); 1773 1774 return (tree *) ((char *) gs + off); 1775 } 1776 1777 1778 /* Return operand I for statement GS. */ 1779 1780 static inline tree 1781 gimple_op (const_gimple gs, unsigned i) 1782 { 1783 if (gimple_has_ops (gs)) 1784 { 1785 gcc_gimple_checking_assert (i < gimple_num_ops (gs)); 1786 return gimple_ops (CONST_CAST_GIMPLE (gs))[i]; 1787 } 1788 else 1789 return NULL_TREE; 1790 } 1791 1792 /* Return a pointer to operand I for statement GS. */ 1793 1794 static inline tree * 1795 gimple_op_ptr (const_gimple gs, unsigned i) 1796 { 1797 if (gimple_has_ops (gs)) 1798 { 1799 gcc_gimple_checking_assert (i < gimple_num_ops (gs)); 1800 return gimple_ops (CONST_CAST_GIMPLE (gs)) + i; 1801 } 1802 else 1803 return NULL; 1804 } 1805 1806 /* Set operand I of statement GS to OP. */ 1807 1808 static inline void 1809 gimple_set_op (gimple gs, unsigned i, tree op) 1810 { 1811 gcc_gimple_checking_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs)); 1812 1813 /* Note. It may be tempting to assert that OP matches 1814 is_gimple_operand, but that would be wrong. Different tuples 1815 accept slightly different sets of tree operands. Each caller 1816 should perform its own validation. */ 1817 gimple_ops (gs)[i] = op; 1818 } 1819 1820 /* Return true if GS is a GIMPLE_ASSIGN. */ 1821 1822 static inline bool 1823 is_gimple_assign (const_gimple gs) 1824 { 1825 return gimple_code (gs) == GIMPLE_ASSIGN; 1826 } 1827 1828 /* Determine if expression CODE is one of the valid expressions that can 1829 be used on the RHS of GIMPLE assignments. */ 1830 1831 static inline enum gimple_rhs_class 1832 get_gimple_rhs_class (enum tree_code code) 1833 { 1834 return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code]; 1835 } 1836 1837 /* Return the LHS of assignment statement GS. */ 1838 1839 static inline tree 1840 gimple_assign_lhs (const_gimple gs) 1841 { 1842 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1843 return gimple_op (gs, 0); 1844 } 1845 1846 1847 /* Return a pointer to the LHS of assignment statement GS. */ 1848 1849 static inline tree * 1850 gimple_assign_lhs_ptr (const_gimple gs) 1851 { 1852 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1853 return gimple_op_ptr (gs, 0); 1854 } 1855 1856 1857 /* Set LHS to be the LHS operand of assignment statement GS. */ 1858 1859 static inline void 1860 gimple_assign_set_lhs (gimple gs, tree lhs) 1861 { 1862 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1863 gimple_set_op (gs, 0, lhs); 1864 1865 if (lhs && TREE_CODE (lhs) == SSA_NAME) 1866 SSA_NAME_DEF_STMT (lhs) = gs; 1867 } 1868 1869 1870 /* Return the first operand on the RHS of assignment statement GS. */ 1871 1872 static inline tree 1873 gimple_assign_rhs1 (const_gimple gs) 1874 { 1875 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1876 return gimple_op (gs, 1); 1877 } 1878 1879 1880 /* Return a pointer to the first operand on the RHS of assignment 1881 statement GS. */ 1882 1883 static inline tree * 1884 gimple_assign_rhs1_ptr (const_gimple gs) 1885 { 1886 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1887 return gimple_op_ptr (gs, 1); 1888 } 1889 1890 /* Set RHS to be the first operand on the RHS of assignment statement GS. */ 1891 1892 static inline void 1893 gimple_assign_set_rhs1 (gimple gs, tree rhs) 1894 { 1895 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1896 1897 gimple_set_op (gs, 1, rhs); 1898 } 1899 1900 1901 /* Return the second operand on the RHS of assignment statement GS. 1902 If GS does not have two operands, NULL is returned instead. */ 1903 1904 static inline tree 1905 gimple_assign_rhs2 (const_gimple gs) 1906 { 1907 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1908 1909 if (gimple_num_ops (gs) >= 3) 1910 return gimple_op (gs, 2); 1911 else 1912 return NULL_TREE; 1913 } 1914 1915 1916 /* Return a pointer to the second operand on the RHS of assignment 1917 statement GS. */ 1918 1919 static inline tree * 1920 gimple_assign_rhs2_ptr (const_gimple gs) 1921 { 1922 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1923 return gimple_op_ptr (gs, 2); 1924 } 1925 1926 1927 /* Set RHS to be the second operand on the RHS of assignment statement GS. */ 1928 1929 static inline void 1930 gimple_assign_set_rhs2 (gimple gs, tree rhs) 1931 { 1932 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1933 1934 gimple_set_op (gs, 2, rhs); 1935 } 1936 1937 /* Return the third operand on the RHS of assignment statement GS. 1938 If GS does not have two operands, NULL is returned instead. */ 1939 1940 static inline tree 1941 gimple_assign_rhs3 (const_gimple gs) 1942 { 1943 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1944 1945 if (gimple_num_ops (gs) >= 4) 1946 return gimple_op (gs, 3); 1947 else 1948 return NULL_TREE; 1949 } 1950 1951 /* Return a pointer to the third operand on the RHS of assignment 1952 statement GS. */ 1953 1954 static inline tree * 1955 gimple_assign_rhs3_ptr (const_gimple gs) 1956 { 1957 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1958 return gimple_op_ptr (gs, 3); 1959 } 1960 1961 1962 /* Set RHS to be the third operand on the RHS of assignment statement GS. */ 1963 1964 static inline void 1965 gimple_assign_set_rhs3 (gimple gs, tree rhs) 1966 { 1967 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1968 1969 gimple_set_op (gs, 3, rhs); 1970 } 1971 1972 /* A wrapper around gimple_assign_set_rhs_with_ops_1, for callers which expect 1973 to see only a maximum of two operands. */ 1974 1975 static inline void 1976 gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *gsi, enum tree_code code, 1977 tree op1, tree op2) 1978 { 1979 gimple_assign_set_rhs_with_ops_1 (gsi, code, op1, op2, NULL); 1980 } 1981 1982 /* A wrapper around extract_ops_from_tree_1, for callers which expect 1983 to see only a maximum of two operands. */ 1984 1985 static inline void 1986 extract_ops_from_tree (tree expr, enum tree_code *code, tree *op0, 1987 tree *op1) 1988 { 1989 tree op2; 1990 extract_ops_from_tree_1 (expr, code, op0, op1, &op2); 1991 gcc_assert (op2 == NULL_TREE); 1992 } 1993 1994 /* Returns true if GS is a nontemporal move. */ 1995 1996 static inline bool 1997 gimple_assign_nontemporal_move_p (const_gimple gs) 1998 { 1999 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 2000 return gs->gsbase.nontemporal_move; 2001 } 2002 2003 /* Sets nontemporal move flag of GS to NONTEMPORAL. */ 2004 2005 static inline void 2006 gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal) 2007 { 2008 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 2009 gs->gsbase.nontemporal_move = nontemporal; 2010 } 2011 2012 2013 /* Return the code of the expression computed on the rhs of assignment 2014 statement GS. In case that the RHS is a single object, returns the 2015 tree code of the object. */ 2016 2017 static inline enum tree_code 2018 gimple_assign_rhs_code (const_gimple gs) 2019 { 2020 enum tree_code code; 2021 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 2022 2023 code = (enum tree_code) gs->gsbase.subcode; 2024 /* While we initially set subcode to the TREE_CODE of the rhs for 2025 GIMPLE_SINGLE_RHS assigns we do not update that subcode to stay 2026 in sync when we rewrite stmts into SSA form or do SSA propagations. */ 2027 if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS) 2028 code = TREE_CODE (gimple_assign_rhs1 (gs)); 2029 2030 return code; 2031 } 2032 2033 2034 /* Set CODE to be the code for the expression computed on the RHS of 2035 assignment S. */ 2036 2037 static inline void 2038 gimple_assign_set_rhs_code (gimple s, enum tree_code code) 2039 { 2040 GIMPLE_CHECK (s, GIMPLE_ASSIGN); 2041 s->gsbase.subcode = code; 2042 } 2043 2044 2045 /* Return the gimple rhs class of the code of the expression computed on 2046 the rhs of assignment statement GS. 2047 This will never return GIMPLE_INVALID_RHS. */ 2048 2049 static inline enum gimple_rhs_class 2050 gimple_assign_rhs_class (const_gimple gs) 2051 { 2052 return get_gimple_rhs_class (gimple_assign_rhs_code (gs)); 2053 } 2054 2055 /* Return true if GS is an assignment with a singleton RHS, i.e., 2056 there is no operator associated with the assignment itself. 2057 Unlike gimple_assign_copy_p, this predicate returns true for 2058 any RHS operand, including those that perform an operation 2059 and do not have the semantics of a copy, such as COND_EXPR. */ 2060 2061 static inline bool 2062 gimple_assign_single_p (gimple gs) 2063 { 2064 return (is_gimple_assign (gs) 2065 && gimple_assign_rhs_class (gs) == GIMPLE_SINGLE_RHS); 2066 } 2067 2068 2069 /* Return true if S is a type-cast assignment. */ 2070 2071 static inline bool 2072 gimple_assign_cast_p (gimple s) 2073 { 2074 if (is_gimple_assign (s)) 2075 { 2076 enum tree_code sc = gimple_assign_rhs_code (s); 2077 return CONVERT_EXPR_CODE_P (sc) 2078 || sc == VIEW_CONVERT_EXPR 2079 || sc == FIX_TRUNC_EXPR; 2080 } 2081 2082 return false; 2083 } 2084 2085 /* Return true if S is a clobber statement. */ 2086 2087 static inline bool 2088 gimple_clobber_p (gimple s) 2089 { 2090 return gimple_assign_single_p (s) 2091 && TREE_CLOBBER_P (gimple_assign_rhs1 (s)); 2092 } 2093 2094 /* Return true if GS is a GIMPLE_CALL. */ 2095 2096 static inline bool 2097 is_gimple_call (const_gimple gs) 2098 { 2099 return gimple_code (gs) == GIMPLE_CALL; 2100 } 2101 2102 /* Return the LHS of call statement GS. */ 2103 2104 static inline tree 2105 gimple_call_lhs (const_gimple gs) 2106 { 2107 GIMPLE_CHECK (gs, GIMPLE_CALL); 2108 return gimple_op (gs, 0); 2109 } 2110 2111 2112 /* Return a pointer to the LHS of call statement GS. */ 2113 2114 static inline tree * 2115 gimple_call_lhs_ptr (const_gimple gs) 2116 { 2117 GIMPLE_CHECK (gs, GIMPLE_CALL); 2118 return gimple_op_ptr (gs, 0); 2119 } 2120 2121 2122 /* Set LHS to be the LHS operand of call statement GS. */ 2123 2124 static inline void 2125 gimple_call_set_lhs (gimple gs, tree lhs) 2126 { 2127 GIMPLE_CHECK (gs, GIMPLE_CALL); 2128 gimple_set_op (gs, 0, lhs); 2129 if (lhs && TREE_CODE (lhs) == SSA_NAME) 2130 SSA_NAME_DEF_STMT (lhs) = gs; 2131 } 2132 2133 2134 /* Return true if call GS calls an internal-only function, as enumerated 2135 by internal_fn. */ 2136 2137 static inline bool 2138 gimple_call_internal_p (const_gimple gs) 2139 { 2140 GIMPLE_CHECK (gs, GIMPLE_CALL); 2141 return (gs->gsbase.subcode & GF_CALL_INTERNAL) != 0; 2142 } 2143 2144 2145 /* Return the target of internal call GS. */ 2146 2147 static inline enum internal_fn 2148 gimple_call_internal_fn (const_gimple gs) 2149 { 2150 gcc_gimple_checking_assert (gimple_call_internal_p (gs)); 2151 return gs->gimple_call.u.internal_fn; 2152 } 2153 2154 2155 /* Return the function type of the function called by GS. */ 2156 2157 static inline tree 2158 gimple_call_fntype (const_gimple gs) 2159 { 2160 GIMPLE_CHECK (gs, GIMPLE_CALL); 2161 if (gimple_call_internal_p (gs)) 2162 return NULL_TREE; 2163 return gs->gimple_call.u.fntype; 2164 } 2165 2166 /* Set the type of the function called by GS to FNTYPE. */ 2167 2168 static inline void 2169 gimple_call_set_fntype (gimple gs, tree fntype) 2170 { 2171 GIMPLE_CHECK (gs, GIMPLE_CALL); 2172 gcc_gimple_checking_assert (!gimple_call_internal_p (gs)); 2173 gs->gimple_call.u.fntype = fntype; 2174 } 2175 2176 2177 /* Return the tree node representing the function called by call 2178 statement GS. */ 2179 2180 static inline tree 2181 gimple_call_fn (const_gimple gs) 2182 { 2183 GIMPLE_CHECK (gs, GIMPLE_CALL); 2184 return gimple_op (gs, 1); 2185 } 2186 2187 /* Return a pointer to the tree node representing the function called by call 2188 statement GS. */ 2189 2190 static inline tree * 2191 gimple_call_fn_ptr (const_gimple gs) 2192 { 2193 GIMPLE_CHECK (gs, GIMPLE_CALL); 2194 return gimple_op_ptr (gs, 1); 2195 } 2196 2197 2198 /* Set FN to be the function called by call statement GS. */ 2199 2200 static inline void 2201 gimple_call_set_fn (gimple gs, tree fn) 2202 { 2203 GIMPLE_CHECK (gs, GIMPLE_CALL); 2204 gcc_gimple_checking_assert (!gimple_call_internal_p (gs)); 2205 gimple_set_op (gs, 1, fn); 2206 } 2207 2208 2209 /* Set FNDECL to be the function called by call statement GS. */ 2210 2211 static inline void 2212 gimple_call_set_fndecl (gimple gs, tree decl) 2213 { 2214 GIMPLE_CHECK (gs, GIMPLE_CALL); 2215 gcc_gimple_checking_assert (!gimple_call_internal_p (gs)); 2216 gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl)); 2217 } 2218 2219 2220 /* Set internal function FN to be the function called by call statement GS. */ 2221 2222 static inline void 2223 gimple_call_set_internal_fn (gimple gs, enum internal_fn fn) 2224 { 2225 GIMPLE_CHECK (gs, GIMPLE_CALL); 2226 gcc_gimple_checking_assert (gimple_call_internal_p (gs)); 2227 gs->gimple_call.u.internal_fn = fn; 2228 } 2229 2230 2231 /* Given a valid GIMPLE_CALL function address return the FUNCTION_DECL 2232 associated with the callee if known. Otherwise return NULL_TREE. */ 2233 2234 static inline tree 2235 gimple_call_addr_fndecl (const_tree fn) 2236 { 2237 if (fn && TREE_CODE (fn) == ADDR_EXPR) 2238 { 2239 tree fndecl = TREE_OPERAND (fn, 0); 2240 if (TREE_CODE (fndecl) == MEM_REF 2241 && TREE_CODE (TREE_OPERAND (fndecl, 0)) == ADDR_EXPR 2242 && integer_zerop (TREE_OPERAND (fndecl, 1))) 2243 fndecl = TREE_OPERAND (TREE_OPERAND (fndecl, 0), 0); 2244 if (TREE_CODE (fndecl) == FUNCTION_DECL) 2245 return fndecl; 2246 } 2247 return NULL_TREE; 2248 } 2249 2250 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it. 2251 Otherwise return NULL. This function is analogous to 2252 get_callee_fndecl in tree land. */ 2253 2254 static inline tree 2255 gimple_call_fndecl (const_gimple gs) 2256 { 2257 return gimple_call_addr_fndecl (gimple_call_fn (gs)); 2258 } 2259 2260 2261 /* Return the type returned by call statement GS. */ 2262 2263 static inline tree 2264 gimple_call_return_type (const_gimple gs) 2265 { 2266 tree type = gimple_call_fntype (gs); 2267 2268 if (type == NULL_TREE) 2269 return TREE_TYPE (gimple_call_lhs (gs)); 2270 2271 /* The type returned by a function is the type of its 2272 function type. */ 2273 return TREE_TYPE (type); 2274 } 2275 2276 2277 /* Return the static chain for call statement GS. */ 2278 2279 static inline tree 2280 gimple_call_chain (const_gimple gs) 2281 { 2282 GIMPLE_CHECK (gs, GIMPLE_CALL); 2283 return gimple_op (gs, 2); 2284 } 2285 2286 2287 /* Return a pointer to the static chain for call statement GS. */ 2288 2289 static inline tree * 2290 gimple_call_chain_ptr (const_gimple gs) 2291 { 2292 GIMPLE_CHECK (gs, GIMPLE_CALL); 2293 return gimple_op_ptr (gs, 2); 2294 } 2295 2296 /* Set CHAIN to be the static chain for call statement GS. */ 2297 2298 static inline void 2299 gimple_call_set_chain (gimple gs, tree chain) 2300 { 2301 GIMPLE_CHECK (gs, GIMPLE_CALL); 2302 2303 gimple_set_op (gs, 2, chain); 2304 } 2305 2306 2307 /* Return the number of arguments used by call statement GS. */ 2308 2309 static inline unsigned 2310 gimple_call_num_args (const_gimple gs) 2311 { 2312 unsigned num_ops; 2313 GIMPLE_CHECK (gs, GIMPLE_CALL); 2314 num_ops = gimple_num_ops (gs); 2315 return num_ops - 3; 2316 } 2317 2318 2319 /* Return the argument at position INDEX for call statement GS. */ 2320 2321 static inline tree 2322 gimple_call_arg (const_gimple gs, unsigned index) 2323 { 2324 GIMPLE_CHECK (gs, GIMPLE_CALL); 2325 return gimple_op (gs, index + 3); 2326 } 2327 2328 2329 /* Return a pointer to the argument at position INDEX for call 2330 statement GS. */ 2331 2332 static inline tree * 2333 gimple_call_arg_ptr (const_gimple gs, unsigned index) 2334 { 2335 GIMPLE_CHECK (gs, GIMPLE_CALL); 2336 return gimple_op_ptr (gs, index + 3); 2337 } 2338 2339 2340 /* Set ARG to be the argument at position INDEX for call statement GS. */ 2341 2342 static inline void 2343 gimple_call_set_arg (gimple gs, unsigned index, tree arg) 2344 { 2345 GIMPLE_CHECK (gs, GIMPLE_CALL); 2346 gimple_set_op (gs, index + 3, arg); 2347 } 2348 2349 2350 /* If TAIL_P is true, mark call statement S as being a tail call 2351 (i.e., a call just before the exit of a function). These calls are 2352 candidate for tail call optimization. */ 2353 2354 static inline void 2355 gimple_call_set_tail (gimple s, bool tail_p) 2356 { 2357 GIMPLE_CHECK (s, GIMPLE_CALL); 2358 if (tail_p) 2359 s->gsbase.subcode |= GF_CALL_TAILCALL; 2360 else 2361 s->gsbase.subcode &= ~GF_CALL_TAILCALL; 2362 } 2363 2364 2365 /* Return true if GIMPLE_CALL S is marked as a tail call. */ 2366 2367 static inline bool 2368 gimple_call_tail_p (gimple s) 2369 { 2370 GIMPLE_CHECK (s, GIMPLE_CALL); 2371 return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0; 2372 } 2373 2374 2375 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return 2376 slot optimization. This transformation uses the target of the call 2377 expansion as the return slot for calls that return in memory. */ 2378 2379 static inline void 2380 gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p) 2381 { 2382 GIMPLE_CHECK (s, GIMPLE_CALL); 2383 if (return_slot_opt_p) 2384 s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT; 2385 else 2386 s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT; 2387 } 2388 2389 2390 /* Return true if S is marked for return slot optimization. */ 2391 2392 static inline bool 2393 gimple_call_return_slot_opt_p (gimple s) 2394 { 2395 GIMPLE_CHECK (s, GIMPLE_CALL); 2396 return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0; 2397 } 2398 2399 2400 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a 2401 thunk to the thunked-to function. */ 2402 2403 static inline void 2404 gimple_call_set_from_thunk (gimple s, bool from_thunk_p) 2405 { 2406 GIMPLE_CHECK (s, GIMPLE_CALL); 2407 if (from_thunk_p) 2408 s->gsbase.subcode |= GF_CALL_FROM_THUNK; 2409 else 2410 s->gsbase.subcode &= ~GF_CALL_FROM_THUNK; 2411 } 2412 2413 2414 /* Return true if GIMPLE_CALL S is a jump from a thunk. */ 2415 2416 static inline bool 2417 gimple_call_from_thunk_p (gimple s) 2418 { 2419 GIMPLE_CHECK (s, GIMPLE_CALL); 2420 return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0; 2421 } 2422 2423 2424 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the 2425 argument pack in its argument list. */ 2426 2427 static inline void 2428 gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p) 2429 { 2430 GIMPLE_CHECK (s, GIMPLE_CALL); 2431 if (pass_arg_pack_p) 2432 s->gsbase.subcode |= GF_CALL_VA_ARG_PACK; 2433 else 2434 s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK; 2435 } 2436 2437 2438 /* Return true if GIMPLE_CALL S is a stdarg call that needs the 2439 argument pack in its argument list. */ 2440 2441 static inline bool 2442 gimple_call_va_arg_pack_p (gimple s) 2443 { 2444 GIMPLE_CHECK (s, GIMPLE_CALL); 2445 return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0; 2446 } 2447 2448 2449 /* Return true if S is a noreturn call. */ 2450 2451 static inline bool 2452 gimple_call_noreturn_p (gimple s) 2453 { 2454 GIMPLE_CHECK (s, GIMPLE_CALL); 2455 return (gimple_call_flags (s) & ECF_NORETURN) != 0; 2456 } 2457 2458 2459 /* If NOTHROW_P is true, GIMPLE_CALL S is a call that is known to not throw 2460 even if the called function can throw in other cases. */ 2461 2462 static inline void 2463 gimple_call_set_nothrow (gimple s, bool nothrow_p) 2464 { 2465 GIMPLE_CHECK (s, GIMPLE_CALL); 2466 if (nothrow_p) 2467 s->gsbase.subcode |= GF_CALL_NOTHROW; 2468 else 2469 s->gsbase.subcode &= ~GF_CALL_NOTHROW; 2470 } 2471 2472 /* Return true if S is a nothrow call. */ 2473 2474 static inline bool 2475 gimple_call_nothrow_p (gimple s) 2476 { 2477 GIMPLE_CHECK (s, GIMPLE_CALL); 2478 return (gimple_call_flags (s) & ECF_NOTHROW) != 0; 2479 } 2480 2481 /* If FOR_VAR is true, GIMPLE_CALL S is a call to builtin_alloca that 2482 is known to be emitted for VLA objects. Those are wrapped by 2483 stack_save/stack_restore calls and hence can't lead to unbounded 2484 stack growth even when they occur in loops. */ 2485 2486 static inline void 2487 gimple_call_set_alloca_for_var (gimple s, bool for_var) 2488 { 2489 GIMPLE_CHECK (s, GIMPLE_CALL); 2490 if (for_var) 2491 s->gsbase.subcode |= GF_CALL_ALLOCA_FOR_VAR; 2492 else 2493 s->gsbase.subcode &= ~GF_CALL_ALLOCA_FOR_VAR; 2494 } 2495 2496 /* Return true of S is a call to builtin_alloca emitted for VLA objects. */ 2497 2498 static inline bool 2499 gimple_call_alloca_for_var_p (gimple s) 2500 { 2501 GIMPLE_CHECK (s, GIMPLE_CALL); 2502 return (s->gsbase.subcode & GF_CALL_ALLOCA_FOR_VAR) != 0; 2503 } 2504 2505 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */ 2506 2507 static inline void 2508 gimple_call_copy_flags (gimple dest_call, gimple orig_call) 2509 { 2510 GIMPLE_CHECK (dest_call, GIMPLE_CALL); 2511 GIMPLE_CHECK (orig_call, GIMPLE_CALL); 2512 dest_call->gsbase.subcode = orig_call->gsbase.subcode; 2513 } 2514 2515 2516 /* Return a pointer to the points-to solution for the set of call-used 2517 variables of the call CALL. */ 2518 2519 static inline struct pt_solution * 2520 gimple_call_use_set (gimple call) 2521 { 2522 GIMPLE_CHECK (call, GIMPLE_CALL); 2523 return &call->gimple_call.call_used; 2524 } 2525 2526 2527 /* Return a pointer to the points-to solution for the set of call-used 2528 variables of the call CALL. */ 2529 2530 static inline struct pt_solution * 2531 gimple_call_clobber_set (gimple call) 2532 { 2533 GIMPLE_CHECK (call, GIMPLE_CALL); 2534 return &call->gimple_call.call_clobbered; 2535 } 2536 2537 2538 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a 2539 non-NULL lhs. */ 2540 2541 static inline bool 2542 gimple_has_lhs (gimple stmt) 2543 { 2544 return (is_gimple_assign (stmt) 2545 || (is_gimple_call (stmt) 2546 && gimple_call_lhs (stmt) != NULL_TREE)); 2547 } 2548 2549 2550 /* Return the code of the predicate computed by conditional statement GS. */ 2551 2552 static inline enum tree_code 2553 gimple_cond_code (const_gimple gs) 2554 { 2555 GIMPLE_CHECK (gs, GIMPLE_COND); 2556 return (enum tree_code) gs->gsbase.subcode; 2557 } 2558 2559 2560 /* Set CODE to be the predicate code for the conditional statement GS. */ 2561 2562 static inline void 2563 gimple_cond_set_code (gimple gs, enum tree_code code) 2564 { 2565 GIMPLE_CHECK (gs, GIMPLE_COND); 2566 gs->gsbase.subcode = code; 2567 } 2568 2569 2570 /* Return the LHS of the predicate computed by conditional statement GS. */ 2571 2572 static inline tree 2573 gimple_cond_lhs (const_gimple gs) 2574 { 2575 GIMPLE_CHECK (gs, GIMPLE_COND); 2576 return gimple_op (gs, 0); 2577 } 2578 2579 /* Return the pointer to the LHS of the predicate computed by conditional 2580 statement GS. */ 2581 2582 static inline tree * 2583 gimple_cond_lhs_ptr (const_gimple gs) 2584 { 2585 GIMPLE_CHECK (gs, GIMPLE_COND); 2586 return gimple_op_ptr (gs, 0); 2587 } 2588 2589 /* Set LHS to be the LHS operand of the predicate computed by 2590 conditional statement GS. */ 2591 2592 static inline void 2593 gimple_cond_set_lhs (gimple gs, tree lhs) 2594 { 2595 GIMPLE_CHECK (gs, GIMPLE_COND); 2596 gimple_set_op (gs, 0, lhs); 2597 } 2598 2599 2600 /* Return the RHS operand of the predicate computed by conditional GS. */ 2601 2602 static inline tree 2603 gimple_cond_rhs (const_gimple gs) 2604 { 2605 GIMPLE_CHECK (gs, GIMPLE_COND); 2606 return gimple_op (gs, 1); 2607 } 2608 2609 /* Return the pointer to the RHS operand of the predicate computed by 2610 conditional GS. */ 2611 2612 static inline tree * 2613 gimple_cond_rhs_ptr (const_gimple gs) 2614 { 2615 GIMPLE_CHECK (gs, GIMPLE_COND); 2616 return gimple_op_ptr (gs, 1); 2617 } 2618 2619 2620 /* Set RHS to be the RHS operand of the predicate computed by 2621 conditional statement GS. */ 2622 2623 static inline void 2624 gimple_cond_set_rhs (gimple gs, tree rhs) 2625 { 2626 GIMPLE_CHECK (gs, GIMPLE_COND); 2627 gimple_set_op (gs, 1, rhs); 2628 } 2629 2630 2631 /* Return the label used by conditional statement GS when its 2632 predicate evaluates to true. */ 2633 2634 static inline tree 2635 gimple_cond_true_label (const_gimple gs) 2636 { 2637 GIMPLE_CHECK (gs, GIMPLE_COND); 2638 return gimple_op (gs, 2); 2639 } 2640 2641 2642 /* Set LABEL to be the label used by conditional statement GS when its 2643 predicate evaluates to true. */ 2644 2645 static inline void 2646 gimple_cond_set_true_label (gimple gs, tree label) 2647 { 2648 GIMPLE_CHECK (gs, GIMPLE_COND); 2649 gimple_set_op (gs, 2, label); 2650 } 2651 2652 2653 /* Set LABEL to be the label used by conditional statement GS when its 2654 predicate evaluates to false. */ 2655 2656 static inline void 2657 gimple_cond_set_false_label (gimple gs, tree label) 2658 { 2659 GIMPLE_CHECK (gs, GIMPLE_COND); 2660 gimple_set_op (gs, 3, label); 2661 } 2662 2663 2664 /* Return the label used by conditional statement GS when its 2665 predicate evaluates to false. */ 2666 2667 static inline tree 2668 gimple_cond_false_label (const_gimple gs) 2669 { 2670 GIMPLE_CHECK (gs, GIMPLE_COND); 2671 return gimple_op (gs, 3); 2672 } 2673 2674 2675 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */ 2676 2677 static inline void 2678 gimple_cond_make_false (gimple gs) 2679 { 2680 gimple_cond_set_lhs (gs, boolean_true_node); 2681 gimple_cond_set_rhs (gs, boolean_false_node); 2682 gs->gsbase.subcode = EQ_EXPR; 2683 } 2684 2685 2686 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */ 2687 2688 static inline void 2689 gimple_cond_make_true (gimple gs) 2690 { 2691 gimple_cond_set_lhs (gs, boolean_true_node); 2692 gimple_cond_set_rhs (gs, boolean_true_node); 2693 gs->gsbase.subcode = EQ_EXPR; 2694 } 2695 2696 /* Check if conditional statemente GS is of the form 'if (1 == 1)', 2697 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */ 2698 2699 static inline bool 2700 gimple_cond_true_p (const_gimple gs) 2701 { 2702 tree lhs = gimple_cond_lhs (gs); 2703 tree rhs = gimple_cond_rhs (gs); 2704 enum tree_code code = gimple_cond_code (gs); 2705 2706 if (lhs != boolean_true_node && lhs != boolean_false_node) 2707 return false; 2708 2709 if (rhs != boolean_true_node && rhs != boolean_false_node) 2710 return false; 2711 2712 if (code == NE_EXPR && lhs != rhs) 2713 return true; 2714 2715 if (code == EQ_EXPR && lhs == rhs) 2716 return true; 2717 2718 return false; 2719 } 2720 2721 /* Check if conditional statement GS is of the form 'if (1 != 1)', 2722 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */ 2723 2724 static inline bool 2725 gimple_cond_false_p (const_gimple gs) 2726 { 2727 tree lhs = gimple_cond_lhs (gs); 2728 tree rhs = gimple_cond_rhs (gs); 2729 enum tree_code code = gimple_cond_code (gs); 2730 2731 if (lhs != boolean_true_node && lhs != boolean_false_node) 2732 return false; 2733 2734 if (rhs != boolean_true_node && rhs != boolean_false_node) 2735 return false; 2736 2737 if (code == NE_EXPR && lhs == rhs) 2738 return true; 2739 2740 if (code == EQ_EXPR && lhs != rhs) 2741 return true; 2742 2743 return false; 2744 } 2745 2746 /* Check if conditional statement GS is of the form 'if (var != 0)' or 2747 'if (var == 1)' */ 2748 2749 static inline bool 2750 gimple_cond_single_var_p (gimple gs) 2751 { 2752 if (gimple_cond_code (gs) == NE_EXPR 2753 && gimple_cond_rhs (gs) == boolean_false_node) 2754 return true; 2755 2756 if (gimple_cond_code (gs) == EQ_EXPR 2757 && gimple_cond_rhs (gs) == boolean_true_node) 2758 return true; 2759 2760 return false; 2761 } 2762 2763 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */ 2764 2765 static inline void 2766 gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs) 2767 { 2768 gimple_cond_set_code (stmt, code); 2769 gimple_cond_set_lhs (stmt, lhs); 2770 gimple_cond_set_rhs (stmt, rhs); 2771 } 2772 2773 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */ 2774 2775 static inline tree 2776 gimple_label_label (const_gimple gs) 2777 { 2778 GIMPLE_CHECK (gs, GIMPLE_LABEL); 2779 return gimple_op (gs, 0); 2780 } 2781 2782 2783 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement 2784 GS. */ 2785 2786 static inline void 2787 gimple_label_set_label (gimple gs, tree label) 2788 { 2789 GIMPLE_CHECK (gs, GIMPLE_LABEL); 2790 gimple_set_op (gs, 0, label); 2791 } 2792 2793 2794 /* Return the destination of the unconditional jump GS. */ 2795 2796 static inline tree 2797 gimple_goto_dest (const_gimple gs) 2798 { 2799 GIMPLE_CHECK (gs, GIMPLE_GOTO); 2800 return gimple_op (gs, 0); 2801 } 2802 2803 2804 /* Set DEST to be the destination of the unconditonal jump GS. */ 2805 2806 static inline void 2807 gimple_goto_set_dest (gimple gs, tree dest) 2808 { 2809 GIMPLE_CHECK (gs, GIMPLE_GOTO); 2810 gimple_set_op (gs, 0, dest); 2811 } 2812 2813 2814 /* Return the variables declared in the GIMPLE_BIND statement GS. */ 2815 2816 static inline tree 2817 gimple_bind_vars (const_gimple gs) 2818 { 2819 GIMPLE_CHECK (gs, GIMPLE_BIND); 2820 return gs->gimple_bind.vars; 2821 } 2822 2823 2824 /* Set VARS to be the set of variables declared in the GIMPLE_BIND 2825 statement GS. */ 2826 2827 static inline void 2828 gimple_bind_set_vars (gimple gs, tree vars) 2829 { 2830 GIMPLE_CHECK (gs, GIMPLE_BIND); 2831 gs->gimple_bind.vars = vars; 2832 } 2833 2834 2835 /* Append VARS to the set of variables declared in the GIMPLE_BIND 2836 statement GS. */ 2837 2838 static inline void 2839 gimple_bind_append_vars (gimple gs, tree vars) 2840 { 2841 GIMPLE_CHECK (gs, GIMPLE_BIND); 2842 gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars); 2843 } 2844 2845 2846 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */ 2847 2848 static inline gimple_seq 2849 gimple_bind_body (gimple gs) 2850 { 2851 GIMPLE_CHECK (gs, GIMPLE_BIND); 2852 return gs->gimple_bind.body; 2853 } 2854 2855 2856 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND 2857 statement GS. */ 2858 2859 static inline void 2860 gimple_bind_set_body (gimple gs, gimple_seq seq) 2861 { 2862 GIMPLE_CHECK (gs, GIMPLE_BIND); 2863 gs->gimple_bind.body = seq; 2864 } 2865 2866 2867 /* Append a statement to the end of a GIMPLE_BIND's body. */ 2868 2869 static inline void 2870 gimple_bind_add_stmt (gimple gs, gimple stmt) 2871 { 2872 GIMPLE_CHECK (gs, GIMPLE_BIND); 2873 gimple_seq_add_stmt (&gs->gimple_bind.body, stmt); 2874 } 2875 2876 2877 /* Append a sequence of statements to the end of a GIMPLE_BIND's body. */ 2878 2879 static inline void 2880 gimple_bind_add_seq (gimple gs, gimple_seq seq) 2881 { 2882 GIMPLE_CHECK (gs, GIMPLE_BIND); 2883 gimple_seq_add_seq (&gs->gimple_bind.body, seq); 2884 } 2885 2886 2887 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement 2888 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */ 2889 2890 static inline tree 2891 gimple_bind_block (const_gimple gs) 2892 { 2893 GIMPLE_CHECK (gs, GIMPLE_BIND); 2894 return gs->gimple_bind.block; 2895 } 2896 2897 2898 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND 2899 statement GS. */ 2900 2901 static inline void 2902 gimple_bind_set_block (gimple gs, tree block) 2903 { 2904 GIMPLE_CHECK (gs, GIMPLE_BIND); 2905 gcc_gimple_checking_assert (block == NULL_TREE 2906 || TREE_CODE (block) == BLOCK); 2907 gs->gimple_bind.block = block; 2908 } 2909 2910 2911 /* Return the number of input operands for GIMPLE_ASM GS. */ 2912 2913 static inline unsigned 2914 gimple_asm_ninputs (const_gimple gs) 2915 { 2916 GIMPLE_CHECK (gs, GIMPLE_ASM); 2917 return gs->gimple_asm.ni; 2918 } 2919 2920 2921 /* Return the number of output operands for GIMPLE_ASM GS. */ 2922 2923 static inline unsigned 2924 gimple_asm_noutputs (const_gimple gs) 2925 { 2926 GIMPLE_CHECK (gs, GIMPLE_ASM); 2927 return gs->gimple_asm.no; 2928 } 2929 2930 2931 /* Return the number of clobber operands for GIMPLE_ASM GS. */ 2932 2933 static inline unsigned 2934 gimple_asm_nclobbers (const_gimple gs) 2935 { 2936 GIMPLE_CHECK (gs, GIMPLE_ASM); 2937 return gs->gimple_asm.nc; 2938 } 2939 2940 /* Return the number of label operands for GIMPLE_ASM GS. */ 2941 2942 static inline unsigned 2943 gimple_asm_nlabels (const_gimple gs) 2944 { 2945 GIMPLE_CHECK (gs, GIMPLE_ASM); 2946 return gs->gimple_asm.nl; 2947 } 2948 2949 /* Return input operand INDEX of GIMPLE_ASM GS. */ 2950 2951 static inline tree 2952 gimple_asm_input_op (const_gimple gs, unsigned index) 2953 { 2954 GIMPLE_CHECK (gs, GIMPLE_ASM); 2955 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni); 2956 return gimple_op (gs, index); 2957 } 2958 2959 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */ 2960 2961 static inline tree * 2962 gimple_asm_input_op_ptr (const_gimple gs, unsigned index) 2963 { 2964 GIMPLE_CHECK (gs, GIMPLE_ASM); 2965 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni); 2966 return gimple_op_ptr (gs, index); 2967 } 2968 2969 2970 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */ 2971 2972 static inline void 2973 gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op) 2974 { 2975 GIMPLE_CHECK (gs, GIMPLE_ASM); 2976 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni 2977 && TREE_CODE (in_op) == TREE_LIST); 2978 gimple_set_op (gs, index, in_op); 2979 } 2980 2981 2982 /* Return output operand INDEX of GIMPLE_ASM GS. */ 2983 2984 static inline tree 2985 gimple_asm_output_op (const_gimple gs, unsigned index) 2986 { 2987 GIMPLE_CHECK (gs, GIMPLE_ASM); 2988 gcc_gimple_checking_assert (index <= gs->gimple_asm.no); 2989 return gimple_op (gs, index + gs->gimple_asm.ni); 2990 } 2991 2992 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */ 2993 2994 static inline tree * 2995 gimple_asm_output_op_ptr (const_gimple gs, unsigned index) 2996 { 2997 GIMPLE_CHECK (gs, GIMPLE_ASM); 2998 gcc_gimple_checking_assert (index <= gs->gimple_asm.no); 2999 return gimple_op_ptr (gs, index + gs->gimple_asm.ni); 3000 } 3001 3002 3003 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */ 3004 3005 static inline void 3006 gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op) 3007 { 3008 GIMPLE_CHECK (gs, GIMPLE_ASM); 3009 gcc_gimple_checking_assert (index <= gs->gimple_asm.no 3010 && TREE_CODE (out_op) == TREE_LIST); 3011 gimple_set_op (gs, index + gs->gimple_asm.ni, out_op); 3012 } 3013 3014 3015 /* Return clobber operand INDEX of GIMPLE_ASM GS. */ 3016 3017 static inline tree 3018 gimple_asm_clobber_op (const_gimple gs, unsigned index) 3019 { 3020 GIMPLE_CHECK (gs, GIMPLE_ASM); 3021 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc); 3022 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no); 3023 } 3024 3025 3026 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */ 3027 3028 static inline void 3029 gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op) 3030 { 3031 GIMPLE_CHECK (gs, GIMPLE_ASM); 3032 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc 3033 && TREE_CODE (clobber_op) == TREE_LIST); 3034 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op); 3035 } 3036 3037 /* Return label operand INDEX of GIMPLE_ASM GS. */ 3038 3039 static inline tree 3040 gimple_asm_label_op (const_gimple gs, unsigned index) 3041 { 3042 GIMPLE_CHECK (gs, GIMPLE_ASM); 3043 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl); 3044 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc); 3045 } 3046 3047 /* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS. */ 3048 3049 static inline void 3050 gimple_asm_set_label_op (gimple gs, unsigned index, tree label_op) 3051 { 3052 GIMPLE_CHECK (gs, GIMPLE_ASM); 3053 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl 3054 && TREE_CODE (label_op) == TREE_LIST); 3055 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc, label_op); 3056 } 3057 3058 /* Return the string representing the assembly instruction in 3059 GIMPLE_ASM GS. */ 3060 3061 static inline const char * 3062 gimple_asm_string (const_gimple gs) 3063 { 3064 GIMPLE_CHECK (gs, GIMPLE_ASM); 3065 return gs->gimple_asm.string; 3066 } 3067 3068 3069 /* Return true if GS is an asm statement marked volatile. */ 3070 3071 static inline bool 3072 gimple_asm_volatile_p (const_gimple gs) 3073 { 3074 GIMPLE_CHECK (gs, GIMPLE_ASM); 3075 return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0; 3076 } 3077 3078 3079 /* If VOLATLE_P is true, mark asm statement GS as volatile. */ 3080 3081 static inline void 3082 gimple_asm_set_volatile (gimple gs, bool volatile_p) 3083 { 3084 GIMPLE_CHECK (gs, GIMPLE_ASM); 3085 if (volatile_p) 3086 gs->gsbase.subcode |= GF_ASM_VOLATILE; 3087 else 3088 gs->gsbase.subcode &= ~GF_ASM_VOLATILE; 3089 } 3090 3091 3092 /* If INPUT_P is true, mark asm GS as an ASM_INPUT. */ 3093 3094 static inline void 3095 gimple_asm_set_input (gimple gs, bool input_p) 3096 { 3097 GIMPLE_CHECK (gs, GIMPLE_ASM); 3098 if (input_p) 3099 gs->gsbase.subcode |= GF_ASM_INPUT; 3100 else 3101 gs->gsbase.subcode &= ~GF_ASM_INPUT; 3102 } 3103 3104 3105 /* Return true if asm GS is an ASM_INPUT. */ 3106 3107 static inline bool 3108 gimple_asm_input_p (const_gimple gs) 3109 { 3110 GIMPLE_CHECK (gs, GIMPLE_ASM); 3111 return (gs->gsbase.subcode & GF_ASM_INPUT) != 0; 3112 } 3113 3114 3115 /* Return the types handled by GIMPLE_CATCH statement GS. */ 3116 3117 static inline tree 3118 gimple_catch_types (const_gimple gs) 3119 { 3120 GIMPLE_CHECK (gs, GIMPLE_CATCH); 3121 return gs->gimple_catch.types; 3122 } 3123 3124 3125 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */ 3126 3127 static inline tree * 3128 gimple_catch_types_ptr (gimple gs) 3129 { 3130 GIMPLE_CHECK (gs, GIMPLE_CATCH); 3131 return &gs->gimple_catch.types; 3132 } 3133 3134 3135 /* Return the GIMPLE sequence representing the body of the handler of 3136 GIMPLE_CATCH statement GS. */ 3137 3138 static inline gimple_seq 3139 gimple_catch_handler (gimple gs) 3140 { 3141 GIMPLE_CHECK (gs, GIMPLE_CATCH); 3142 return gs->gimple_catch.handler; 3143 } 3144 3145 3146 /* Return a pointer to the GIMPLE sequence representing the body of 3147 the handler of GIMPLE_CATCH statement GS. */ 3148 3149 static inline gimple_seq * 3150 gimple_catch_handler_ptr (gimple gs) 3151 { 3152 GIMPLE_CHECK (gs, GIMPLE_CATCH); 3153 return &gs->gimple_catch.handler; 3154 } 3155 3156 3157 /* Set T to be the set of types handled by GIMPLE_CATCH GS. */ 3158 3159 static inline void 3160 gimple_catch_set_types (gimple gs, tree t) 3161 { 3162 GIMPLE_CHECK (gs, GIMPLE_CATCH); 3163 gs->gimple_catch.types = t; 3164 } 3165 3166 3167 /* Set HANDLER to be the body of GIMPLE_CATCH GS. */ 3168 3169 static inline void 3170 gimple_catch_set_handler (gimple gs, gimple_seq handler) 3171 { 3172 GIMPLE_CHECK (gs, GIMPLE_CATCH); 3173 gs->gimple_catch.handler = handler; 3174 } 3175 3176 3177 /* Return the types handled by GIMPLE_EH_FILTER statement GS. */ 3178 3179 static inline tree 3180 gimple_eh_filter_types (const_gimple gs) 3181 { 3182 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); 3183 return gs->gimple_eh_filter.types; 3184 } 3185 3186 3187 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement 3188 GS. */ 3189 3190 static inline tree * 3191 gimple_eh_filter_types_ptr (gimple gs) 3192 { 3193 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); 3194 return &gs->gimple_eh_filter.types; 3195 } 3196 3197 3198 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER 3199 statement fails. */ 3200 3201 static inline gimple_seq 3202 gimple_eh_filter_failure (gimple gs) 3203 { 3204 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); 3205 return gs->gimple_eh_filter.failure; 3206 } 3207 3208 3209 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */ 3210 3211 static inline void 3212 gimple_eh_filter_set_types (gimple gs, tree types) 3213 { 3214 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); 3215 gs->gimple_eh_filter.types = types; 3216 } 3217 3218 3219 /* Set FAILURE to be the sequence of statements to execute on failure 3220 for GIMPLE_EH_FILTER GS. */ 3221 3222 static inline void 3223 gimple_eh_filter_set_failure (gimple gs, gimple_seq failure) 3224 { 3225 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); 3226 gs->gimple_eh_filter.failure = failure; 3227 } 3228 3229 /* Get the function decl to be called by the MUST_NOT_THROW region. */ 3230 3231 static inline tree 3232 gimple_eh_must_not_throw_fndecl (gimple gs) 3233 { 3234 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW); 3235 return gs->gimple_eh_mnt.fndecl; 3236 } 3237 3238 /* Set the function decl to be called by GS to DECL. */ 3239 3240 static inline void 3241 gimple_eh_must_not_throw_set_fndecl (gimple gs, tree decl) 3242 { 3243 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW); 3244 gs->gimple_eh_mnt.fndecl = decl; 3245 } 3246 3247 /* GIMPLE_EH_ELSE accessors. */ 3248 3249 static inline gimple_seq 3250 gimple_eh_else_n_body (gimple gs) 3251 { 3252 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE); 3253 return gs->gimple_eh_else.n_body; 3254 } 3255 3256 static inline gimple_seq 3257 gimple_eh_else_e_body (gimple gs) 3258 { 3259 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE); 3260 return gs->gimple_eh_else.e_body; 3261 } 3262 3263 static inline void 3264 gimple_eh_else_set_n_body (gimple gs, gimple_seq seq) 3265 { 3266 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE); 3267 gs->gimple_eh_else.n_body = seq; 3268 } 3269 3270 static inline void 3271 gimple_eh_else_set_e_body (gimple gs, gimple_seq seq) 3272 { 3273 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE); 3274 gs->gimple_eh_else.e_body = seq; 3275 } 3276 3277 /* GIMPLE_TRY accessors. */ 3278 3279 /* Return the kind of try block represented by GIMPLE_TRY GS. This is 3280 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */ 3281 3282 static inline enum gimple_try_flags 3283 gimple_try_kind (const_gimple gs) 3284 { 3285 GIMPLE_CHECK (gs, GIMPLE_TRY); 3286 return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND); 3287 } 3288 3289 3290 /* Set the kind of try block represented by GIMPLE_TRY GS. */ 3291 3292 static inline void 3293 gimple_try_set_kind (gimple gs, enum gimple_try_flags kind) 3294 { 3295 GIMPLE_CHECK (gs, GIMPLE_TRY); 3296 gcc_gimple_checking_assert (kind == GIMPLE_TRY_CATCH 3297 || kind == GIMPLE_TRY_FINALLY); 3298 if (gimple_try_kind (gs) != kind) 3299 gs->gsbase.subcode = (unsigned int) kind; 3300 } 3301 3302 3303 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */ 3304 3305 static inline bool 3306 gimple_try_catch_is_cleanup (const_gimple gs) 3307 { 3308 gcc_gimple_checking_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH); 3309 return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0; 3310 } 3311 3312 3313 /* Return the sequence of statements used as the body for GIMPLE_TRY GS. */ 3314 3315 static inline gimple_seq 3316 gimple_try_eval (gimple gs) 3317 { 3318 GIMPLE_CHECK (gs, GIMPLE_TRY); 3319 return gs->gimple_try.eval; 3320 } 3321 3322 3323 /* Return the sequence of statements used as the cleanup body for 3324 GIMPLE_TRY GS. */ 3325 3326 static inline gimple_seq 3327 gimple_try_cleanup (gimple gs) 3328 { 3329 GIMPLE_CHECK (gs, GIMPLE_TRY); 3330 return gs->gimple_try.cleanup; 3331 } 3332 3333 3334 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */ 3335 3336 static inline void 3337 gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup) 3338 { 3339 gcc_gimple_checking_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH); 3340 if (catch_is_cleanup) 3341 g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP; 3342 else 3343 g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP; 3344 } 3345 3346 3347 /* Set EVAL to be the sequence of statements to use as the body for 3348 GIMPLE_TRY GS. */ 3349 3350 static inline void 3351 gimple_try_set_eval (gimple gs, gimple_seq eval) 3352 { 3353 GIMPLE_CHECK (gs, GIMPLE_TRY); 3354 gs->gimple_try.eval = eval; 3355 } 3356 3357 3358 /* Set CLEANUP to be the sequence of statements to use as the cleanup 3359 body for GIMPLE_TRY GS. */ 3360 3361 static inline void 3362 gimple_try_set_cleanup (gimple gs, gimple_seq cleanup) 3363 { 3364 GIMPLE_CHECK (gs, GIMPLE_TRY); 3365 gs->gimple_try.cleanup = cleanup; 3366 } 3367 3368 3369 /* Return the cleanup sequence for cleanup statement GS. */ 3370 3371 static inline gimple_seq 3372 gimple_wce_cleanup (gimple gs) 3373 { 3374 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR); 3375 return gs->gimple_wce.cleanup; 3376 } 3377 3378 3379 /* Set CLEANUP to be the cleanup sequence for GS. */ 3380 3381 static inline void 3382 gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup) 3383 { 3384 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR); 3385 gs->gimple_wce.cleanup = cleanup; 3386 } 3387 3388 3389 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */ 3390 3391 static inline bool 3392 gimple_wce_cleanup_eh_only (const_gimple gs) 3393 { 3394 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR); 3395 return gs->gsbase.subcode != 0; 3396 } 3397 3398 3399 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */ 3400 3401 static inline void 3402 gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p) 3403 { 3404 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR); 3405 gs->gsbase.subcode = (unsigned int) eh_only_p; 3406 } 3407 3408 3409 /* Return the maximum number of arguments supported by GIMPLE_PHI GS. */ 3410 3411 static inline unsigned 3412 gimple_phi_capacity (const_gimple gs) 3413 { 3414 GIMPLE_CHECK (gs, GIMPLE_PHI); 3415 return gs->gimple_phi.capacity; 3416 } 3417 3418 3419 /* Return the number of arguments in GIMPLE_PHI GS. This must always 3420 be exactly the number of incoming edges for the basic block holding 3421 GS. */ 3422 3423 static inline unsigned 3424 gimple_phi_num_args (const_gimple gs) 3425 { 3426 GIMPLE_CHECK (gs, GIMPLE_PHI); 3427 return gs->gimple_phi.nargs; 3428 } 3429 3430 3431 /* Return the SSA name created by GIMPLE_PHI GS. */ 3432 3433 static inline tree 3434 gimple_phi_result (const_gimple gs) 3435 { 3436 GIMPLE_CHECK (gs, GIMPLE_PHI); 3437 return gs->gimple_phi.result; 3438 } 3439 3440 /* Return a pointer to the SSA name created by GIMPLE_PHI GS. */ 3441 3442 static inline tree * 3443 gimple_phi_result_ptr (gimple gs) 3444 { 3445 GIMPLE_CHECK (gs, GIMPLE_PHI); 3446 return &gs->gimple_phi.result; 3447 } 3448 3449 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */ 3450 3451 static inline void 3452 gimple_phi_set_result (gimple gs, tree result) 3453 { 3454 GIMPLE_CHECK (gs, GIMPLE_PHI); 3455 gs->gimple_phi.result = result; 3456 } 3457 3458 3459 /* Return the PHI argument corresponding to incoming edge INDEX for 3460 GIMPLE_PHI GS. */ 3461 3462 static inline struct phi_arg_d * 3463 gimple_phi_arg (gimple gs, unsigned index) 3464 { 3465 GIMPLE_CHECK (gs, GIMPLE_PHI); 3466 gcc_gimple_checking_assert (index <= gs->gimple_phi.capacity); 3467 return &(gs->gimple_phi.args[index]); 3468 } 3469 3470 /* Set PHIARG to be the argument corresponding to incoming edge INDEX 3471 for GIMPLE_PHI GS. */ 3472 3473 static inline void 3474 gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg) 3475 { 3476 GIMPLE_CHECK (gs, GIMPLE_PHI); 3477 gcc_gimple_checking_assert (index <= gs->gimple_phi.nargs); 3478 gs->gimple_phi.args[index] = *phiarg; 3479 } 3480 3481 /* Return the region number for GIMPLE_RESX GS. */ 3482 3483 static inline int 3484 gimple_resx_region (const_gimple gs) 3485 { 3486 GIMPLE_CHECK (gs, GIMPLE_RESX); 3487 return gs->gimple_eh_ctrl.region; 3488 } 3489 3490 /* Set REGION to be the region number for GIMPLE_RESX GS. */ 3491 3492 static inline void 3493 gimple_resx_set_region (gimple gs, int region) 3494 { 3495 GIMPLE_CHECK (gs, GIMPLE_RESX); 3496 gs->gimple_eh_ctrl.region = region; 3497 } 3498 3499 /* Return the region number for GIMPLE_EH_DISPATCH GS. */ 3500 3501 static inline int 3502 gimple_eh_dispatch_region (const_gimple gs) 3503 { 3504 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH); 3505 return gs->gimple_eh_ctrl.region; 3506 } 3507 3508 /* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS. */ 3509 3510 static inline void 3511 gimple_eh_dispatch_set_region (gimple gs, int region) 3512 { 3513 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH); 3514 gs->gimple_eh_ctrl.region = region; 3515 } 3516 3517 /* Return the number of labels associated with the switch statement GS. */ 3518 3519 static inline unsigned 3520 gimple_switch_num_labels (const_gimple gs) 3521 { 3522 unsigned num_ops; 3523 GIMPLE_CHECK (gs, GIMPLE_SWITCH); 3524 num_ops = gimple_num_ops (gs); 3525 gcc_gimple_checking_assert (num_ops > 1); 3526 return num_ops - 1; 3527 } 3528 3529 3530 /* Set NLABELS to be the number of labels for the switch statement GS. */ 3531 3532 static inline void 3533 gimple_switch_set_num_labels (gimple g, unsigned nlabels) 3534 { 3535 GIMPLE_CHECK (g, GIMPLE_SWITCH); 3536 gimple_set_num_ops (g, nlabels + 1); 3537 } 3538 3539 3540 /* Return the index variable used by the switch statement GS. */ 3541 3542 static inline tree 3543 gimple_switch_index (const_gimple gs) 3544 { 3545 GIMPLE_CHECK (gs, GIMPLE_SWITCH); 3546 return gimple_op (gs, 0); 3547 } 3548 3549 3550 /* Return a pointer to the index variable for the switch statement GS. */ 3551 3552 static inline tree * 3553 gimple_switch_index_ptr (const_gimple gs) 3554 { 3555 GIMPLE_CHECK (gs, GIMPLE_SWITCH); 3556 return gimple_op_ptr (gs, 0); 3557 } 3558 3559 3560 /* Set INDEX to be the index variable for switch statement GS. */ 3561 3562 static inline void 3563 gimple_switch_set_index (gimple gs, tree index) 3564 { 3565 GIMPLE_CHECK (gs, GIMPLE_SWITCH); 3566 gcc_gimple_checking_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index)); 3567 gimple_set_op (gs, 0, index); 3568 } 3569 3570 3571 /* Return the label numbered INDEX. The default label is 0, followed by any 3572 labels in a switch statement. */ 3573 3574 static inline tree 3575 gimple_switch_label (const_gimple gs, unsigned index) 3576 { 3577 GIMPLE_CHECK (gs, GIMPLE_SWITCH); 3578 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1); 3579 return gimple_op (gs, index + 1); 3580 } 3581 3582 /* Set the label number INDEX to LABEL. 0 is always the default label. */ 3583 3584 static inline void 3585 gimple_switch_set_label (gimple gs, unsigned index, tree label) 3586 { 3587 GIMPLE_CHECK (gs, GIMPLE_SWITCH); 3588 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1 3589 && (label == NULL_TREE 3590 || TREE_CODE (label) == CASE_LABEL_EXPR)); 3591 gimple_set_op (gs, index + 1, label); 3592 } 3593 3594 /* Return the default label for a switch statement. */ 3595 3596 static inline tree 3597 gimple_switch_default_label (const_gimple gs) 3598 { 3599 return gimple_switch_label (gs, 0); 3600 } 3601 3602 /* Set the default label for a switch statement. */ 3603 3604 static inline void 3605 gimple_switch_set_default_label (gimple gs, tree label) 3606 { 3607 gimple_switch_set_label (gs, 0, label); 3608 } 3609 3610 /* Return true if GS is a GIMPLE_DEBUG statement. */ 3611 3612 static inline bool 3613 is_gimple_debug (const_gimple gs) 3614 { 3615 return gimple_code (gs) == GIMPLE_DEBUG; 3616 } 3617 3618 /* Return true if S is a GIMPLE_DEBUG BIND statement. */ 3619 3620 static inline bool 3621 gimple_debug_bind_p (const_gimple s) 3622 { 3623 if (is_gimple_debug (s)) 3624 return s->gsbase.subcode == GIMPLE_DEBUG_BIND; 3625 3626 return false; 3627 } 3628 3629 /* Return the variable bound in a GIMPLE_DEBUG bind statement. */ 3630 3631 static inline tree 3632 gimple_debug_bind_get_var (gimple dbg) 3633 { 3634 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3635 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); 3636 return gimple_op (dbg, 0); 3637 } 3638 3639 /* Return the value bound to the variable in a GIMPLE_DEBUG bind 3640 statement. */ 3641 3642 static inline tree 3643 gimple_debug_bind_get_value (gimple dbg) 3644 { 3645 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3646 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); 3647 return gimple_op (dbg, 1); 3648 } 3649 3650 /* Return a pointer to the value bound to the variable in a 3651 GIMPLE_DEBUG bind statement. */ 3652 3653 static inline tree * 3654 gimple_debug_bind_get_value_ptr (gimple dbg) 3655 { 3656 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3657 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); 3658 return gimple_op_ptr (dbg, 1); 3659 } 3660 3661 /* Set the variable bound in a GIMPLE_DEBUG bind statement. */ 3662 3663 static inline void 3664 gimple_debug_bind_set_var (gimple dbg, tree var) 3665 { 3666 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3667 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); 3668 gimple_set_op (dbg, 0, var); 3669 } 3670 3671 /* Set the value bound to the variable in a GIMPLE_DEBUG bind 3672 statement. */ 3673 3674 static inline void 3675 gimple_debug_bind_set_value (gimple dbg, tree value) 3676 { 3677 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3678 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); 3679 gimple_set_op (dbg, 1, value); 3680 } 3681 3682 /* The second operand of a GIMPLE_DEBUG_BIND, when the value was 3683 optimized away. */ 3684 #define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */ 3685 3686 /* Remove the value bound to the variable in a GIMPLE_DEBUG bind 3687 statement. */ 3688 3689 static inline void 3690 gimple_debug_bind_reset_value (gimple dbg) 3691 { 3692 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3693 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); 3694 gimple_set_op (dbg, 1, GIMPLE_DEBUG_BIND_NOVALUE); 3695 } 3696 3697 /* Return true if the GIMPLE_DEBUG bind statement is bound to a 3698 value. */ 3699 3700 static inline bool 3701 gimple_debug_bind_has_value_p (gimple dbg) 3702 { 3703 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3704 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); 3705 return gimple_op (dbg, 1) != GIMPLE_DEBUG_BIND_NOVALUE; 3706 } 3707 3708 #undef GIMPLE_DEBUG_BIND_NOVALUE 3709 3710 /* Return true if S is a GIMPLE_DEBUG SOURCE BIND statement. */ 3711 3712 static inline bool 3713 gimple_debug_source_bind_p (const_gimple s) 3714 { 3715 if (is_gimple_debug (s)) 3716 return s->gsbase.subcode == GIMPLE_DEBUG_SOURCE_BIND; 3717 3718 return false; 3719 } 3720 3721 /* Return the variable bound in a GIMPLE_DEBUG source bind statement. */ 3722 3723 static inline tree 3724 gimple_debug_source_bind_get_var (gimple dbg) 3725 { 3726 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3727 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg)); 3728 return gimple_op (dbg, 0); 3729 } 3730 3731 /* Return the value bound to the variable in a GIMPLE_DEBUG source bind 3732 statement. */ 3733 3734 static inline tree 3735 gimple_debug_source_bind_get_value (gimple dbg) 3736 { 3737 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3738 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg)); 3739 return gimple_op (dbg, 1); 3740 } 3741 3742 /* Return a pointer to the value bound to the variable in a 3743 GIMPLE_DEBUG source bind statement. */ 3744 3745 static inline tree * 3746 gimple_debug_source_bind_get_value_ptr (gimple dbg) 3747 { 3748 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3749 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg)); 3750 return gimple_op_ptr (dbg, 1); 3751 } 3752 3753 /* Set the variable bound in a GIMPLE_DEBUG source bind statement. */ 3754 3755 static inline void 3756 gimple_debug_source_bind_set_var (gimple dbg, tree var) 3757 { 3758 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3759 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg)); 3760 gimple_set_op (dbg, 0, var); 3761 } 3762 3763 /* Set the value bound to the variable in a GIMPLE_DEBUG source bind 3764 statement. */ 3765 3766 static inline void 3767 gimple_debug_source_bind_set_value (gimple dbg, tree value) 3768 { 3769 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3770 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg)); 3771 gimple_set_op (dbg, 1, value); 3772 } 3773 3774 /* Return the body for the OMP statement GS. */ 3775 3776 static inline gimple_seq 3777 gimple_omp_body (gimple gs) 3778 { 3779 return gs->omp.body; 3780 } 3781 3782 /* Set BODY to be the body for the OMP statement GS. */ 3783 3784 static inline void 3785 gimple_omp_set_body (gimple gs, gimple_seq body) 3786 { 3787 gs->omp.body = body; 3788 } 3789 3790 3791 /* Return the name associated with OMP_CRITICAL statement GS. */ 3792 3793 static inline tree 3794 gimple_omp_critical_name (const_gimple gs) 3795 { 3796 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL); 3797 return gs->gimple_omp_critical.name; 3798 } 3799 3800 3801 /* Return a pointer to the name associated with OMP critical statement GS. */ 3802 3803 static inline tree * 3804 gimple_omp_critical_name_ptr (gimple gs) 3805 { 3806 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL); 3807 return &gs->gimple_omp_critical.name; 3808 } 3809 3810 3811 /* Set NAME to be the name associated with OMP critical statement GS. */ 3812 3813 static inline void 3814 gimple_omp_critical_set_name (gimple gs, tree name) 3815 { 3816 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL); 3817 gs->gimple_omp_critical.name = name; 3818 } 3819 3820 3821 /* Return the clauses associated with OMP_FOR GS. */ 3822 3823 static inline tree 3824 gimple_omp_for_clauses (const_gimple gs) 3825 { 3826 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3827 return gs->gimple_omp_for.clauses; 3828 } 3829 3830 3831 /* Return a pointer to the OMP_FOR GS. */ 3832 3833 static inline tree * 3834 gimple_omp_for_clauses_ptr (gimple gs) 3835 { 3836 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3837 return &gs->gimple_omp_for.clauses; 3838 } 3839 3840 3841 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */ 3842 3843 static inline void 3844 gimple_omp_for_set_clauses (gimple gs, tree clauses) 3845 { 3846 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3847 gs->gimple_omp_for.clauses = clauses; 3848 } 3849 3850 3851 /* Get the collapse count of OMP_FOR GS. */ 3852 3853 static inline size_t 3854 gimple_omp_for_collapse (gimple gs) 3855 { 3856 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3857 return gs->gimple_omp_for.collapse; 3858 } 3859 3860 3861 /* Return the index variable for OMP_FOR GS. */ 3862 3863 static inline tree 3864 gimple_omp_for_index (const_gimple gs, size_t i) 3865 { 3866 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3867 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3868 return gs->gimple_omp_for.iter[i].index; 3869 } 3870 3871 3872 /* Return a pointer to the index variable for OMP_FOR GS. */ 3873 3874 static inline tree * 3875 gimple_omp_for_index_ptr (gimple gs, size_t i) 3876 { 3877 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3878 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3879 return &gs->gimple_omp_for.iter[i].index; 3880 } 3881 3882 3883 /* Set INDEX to be the index variable for OMP_FOR GS. */ 3884 3885 static inline void 3886 gimple_omp_for_set_index (gimple gs, size_t i, tree index) 3887 { 3888 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3889 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3890 gs->gimple_omp_for.iter[i].index = index; 3891 } 3892 3893 3894 /* Return the initial value for OMP_FOR GS. */ 3895 3896 static inline tree 3897 gimple_omp_for_initial (const_gimple gs, size_t i) 3898 { 3899 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3900 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3901 return gs->gimple_omp_for.iter[i].initial; 3902 } 3903 3904 3905 /* Return a pointer to the initial value for OMP_FOR GS. */ 3906 3907 static inline tree * 3908 gimple_omp_for_initial_ptr (gimple gs, size_t i) 3909 { 3910 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3911 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3912 return &gs->gimple_omp_for.iter[i].initial; 3913 } 3914 3915 3916 /* Set INITIAL to be the initial value for OMP_FOR GS. */ 3917 3918 static inline void 3919 gimple_omp_for_set_initial (gimple gs, size_t i, tree initial) 3920 { 3921 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3922 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3923 gs->gimple_omp_for.iter[i].initial = initial; 3924 } 3925 3926 3927 /* Return the final value for OMP_FOR GS. */ 3928 3929 static inline tree 3930 gimple_omp_for_final (const_gimple gs, size_t i) 3931 { 3932 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3933 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3934 return gs->gimple_omp_for.iter[i].final; 3935 } 3936 3937 3938 /* Return a pointer to the final value for OMP_FOR GS. */ 3939 3940 static inline tree * 3941 gimple_omp_for_final_ptr (gimple gs, size_t i) 3942 { 3943 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3944 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3945 return &gs->gimple_omp_for.iter[i].final; 3946 } 3947 3948 3949 /* Set FINAL to be the final value for OMP_FOR GS. */ 3950 3951 static inline void 3952 gimple_omp_for_set_final (gimple gs, size_t i, tree final) 3953 { 3954 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3955 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3956 gs->gimple_omp_for.iter[i].final = final; 3957 } 3958 3959 3960 /* Return the increment value for OMP_FOR GS. */ 3961 3962 static inline tree 3963 gimple_omp_for_incr (const_gimple gs, size_t i) 3964 { 3965 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3966 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3967 return gs->gimple_omp_for.iter[i].incr; 3968 } 3969 3970 3971 /* Return a pointer to the increment value for OMP_FOR GS. */ 3972 3973 static inline tree * 3974 gimple_omp_for_incr_ptr (gimple gs, size_t i) 3975 { 3976 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3977 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3978 return &gs->gimple_omp_for.iter[i].incr; 3979 } 3980 3981 3982 /* Set INCR to be the increment value for OMP_FOR GS. */ 3983 3984 static inline void 3985 gimple_omp_for_set_incr (gimple gs, size_t i, tree incr) 3986 { 3987 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3988 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3989 gs->gimple_omp_for.iter[i].incr = incr; 3990 } 3991 3992 3993 /* Return the sequence of statements to execute before the OMP_FOR 3994 statement GS starts. */ 3995 3996 static inline gimple_seq 3997 gimple_omp_for_pre_body (gimple gs) 3998 { 3999 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 4000 return gs->gimple_omp_for.pre_body; 4001 } 4002 4003 4004 /* Set PRE_BODY to be the sequence of statements to execute before the 4005 OMP_FOR statement GS starts. */ 4006 4007 static inline void 4008 gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body) 4009 { 4010 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 4011 gs->gimple_omp_for.pre_body = pre_body; 4012 } 4013 4014 4015 /* Return the clauses associated with OMP_PARALLEL GS. */ 4016 4017 static inline tree 4018 gimple_omp_parallel_clauses (const_gimple gs) 4019 { 4020 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 4021 return gs->gimple_omp_parallel.clauses; 4022 } 4023 4024 4025 /* Return a pointer to the clauses associated with OMP_PARALLEL GS. */ 4026 4027 static inline tree * 4028 gimple_omp_parallel_clauses_ptr (gimple gs) 4029 { 4030 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 4031 return &gs->gimple_omp_parallel.clauses; 4032 } 4033 4034 4035 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL 4036 GS. */ 4037 4038 static inline void 4039 gimple_omp_parallel_set_clauses (gimple gs, tree clauses) 4040 { 4041 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 4042 gs->gimple_omp_parallel.clauses = clauses; 4043 } 4044 4045 4046 /* Return the child function used to hold the body of OMP_PARALLEL GS. */ 4047 4048 static inline tree 4049 gimple_omp_parallel_child_fn (const_gimple gs) 4050 { 4051 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 4052 return gs->gimple_omp_parallel.child_fn; 4053 } 4054 4055 /* Return a pointer to the child function used to hold the body of 4056 OMP_PARALLEL GS. */ 4057 4058 static inline tree * 4059 gimple_omp_parallel_child_fn_ptr (gimple gs) 4060 { 4061 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 4062 return &gs->gimple_omp_parallel.child_fn; 4063 } 4064 4065 4066 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */ 4067 4068 static inline void 4069 gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn) 4070 { 4071 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 4072 gs->gimple_omp_parallel.child_fn = child_fn; 4073 } 4074 4075 4076 /* Return the artificial argument used to send variables and values 4077 from the parent to the children threads in OMP_PARALLEL GS. */ 4078 4079 static inline tree 4080 gimple_omp_parallel_data_arg (const_gimple gs) 4081 { 4082 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 4083 return gs->gimple_omp_parallel.data_arg; 4084 } 4085 4086 4087 /* Return a pointer to the data argument for OMP_PARALLEL GS. */ 4088 4089 static inline tree * 4090 gimple_omp_parallel_data_arg_ptr (gimple gs) 4091 { 4092 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 4093 return &gs->gimple_omp_parallel.data_arg; 4094 } 4095 4096 4097 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */ 4098 4099 static inline void 4100 gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg) 4101 { 4102 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 4103 gs->gimple_omp_parallel.data_arg = data_arg; 4104 } 4105 4106 4107 /* Return the clauses associated with OMP_TASK GS. */ 4108 4109 static inline tree 4110 gimple_omp_task_clauses (const_gimple gs) 4111 { 4112 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4113 return gs->gimple_omp_parallel.clauses; 4114 } 4115 4116 4117 /* Return a pointer to the clauses associated with OMP_TASK GS. */ 4118 4119 static inline tree * 4120 gimple_omp_task_clauses_ptr (gimple gs) 4121 { 4122 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4123 return &gs->gimple_omp_parallel.clauses; 4124 } 4125 4126 4127 /* Set CLAUSES to be the list of clauses associated with OMP_TASK 4128 GS. */ 4129 4130 static inline void 4131 gimple_omp_task_set_clauses (gimple gs, tree clauses) 4132 { 4133 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4134 gs->gimple_omp_parallel.clauses = clauses; 4135 } 4136 4137 4138 /* Return the child function used to hold the body of OMP_TASK GS. */ 4139 4140 static inline tree 4141 gimple_omp_task_child_fn (const_gimple gs) 4142 { 4143 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4144 return gs->gimple_omp_parallel.child_fn; 4145 } 4146 4147 /* Return a pointer to the child function used to hold the body of 4148 OMP_TASK GS. */ 4149 4150 static inline tree * 4151 gimple_omp_task_child_fn_ptr (gimple gs) 4152 { 4153 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4154 return &gs->gimple_omp_parallel.child_fn; 4155 } 4156 4157 4158 /* Set CHILD_FN to be the child function for OMP_TASK GS. */ 4159 4160 static inline void 4161 gimple_omp_task_set_child_fn (gimple gs, tree child_fn) 4162 { 4163 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4164 gs->gimple_omp_parallel.child_fn = child_fn; 4165 } 4166 4167 4168 /* Return the artificial argument used to send variables and values 4169 from the parent to the children threads in OMP_TASK GS. */ 4170 4171 static inline tree 4172 gimple_omp_task_data_arg (const_gimple gs) 4173 { 4174 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4175 return gs->gimple_omp_parallel.data_arg; 4176 } 4177 4178 4179 /* Return a pointer to the data argument for OMP_TASK GS. */ 4180 4181 static inline tree * 4182 gimple_omp_task_data_arg_ptr (gimple gs) 4183 { 4184 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4185 return &gs->gimple_omp_parallel.data_arg; 4186 } 4187 4188 4189 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */ 4190 4191 static inline void 4192 gimple_omp_task_set_data_arg (gimple gs, tree data_arg) 4193 { 4194 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4195 gs->gimple_omp_parallel.data_arg = data_arg; 4196 } 4197 4198 4199 /* Return the clauses associated with OMP_TASK GS. */ 4200 4201 static inline tree 4202 gimple_omp_taskreg_clauses (const_gimple gs) 4203 { 4204 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 4205 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4206 return gs->gimple_omp_parallel.clauses; 4207 } 4208 4209 4210 /* Return a pointer to the clauses associated with OMP_TASK GS. */ 4211 4212 static inline tree * 4213 gimple_omp_taskreg_clauses_ptr (gimple gs) 4214 { 4215 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 4216 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4217 return &gs->gimple_omp_parallel.clauses; 4218 } 4219 4220 4221 /* Set CLAUSES to be the list of clauses associated with OMP_TASK 4222 GS. */ 4223 4224 static inline void 4225 gimple_omp_taskreg_set_clauses (gimple gs, tree clauses) 4226 { 4227 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 4228 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4229 gs->gimple_omp_parallel.clauses = clauses; 4230 } 4231 4232 4233 /* Return the child function used to hold the body of OMP_TASK GS. */ 4234 4235 static inline tree 4236 gimple_omp_taskreg_child_fn (const_gimple gs) 4237 { 4238 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 4239 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4240 return gs->gimple_omp_parallel.child_fn; 4241 } 4242 4243 /* Return a pointer to the child function used to hold the body of 4244 OMP_TASK GS. */ 4245 4246 static inline tree * 4247 gimple_omp_taskreg_child_fn_ptr (gimple gs) 4248 { 4249 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 4250 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4251 return &gs->gimple_omp_parallel.child_fn; 4252 } 4253 4254 4255 /* Set CHILD_FN to be the child function for OMP_TASK GS. */ 4256 4257 static inline void 4258 gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn) 4259 { 4260 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 4261 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4262 gs->gimple_omp_parallel.child_fn = child_fn; 4263 } 4264 4265 4266 /* Return the artificial argument used to send variables and values 4267 from the parent to the children threads in OMP_TASK GS. */ 4268 4269 static inline tree 4270 gimple_omp_taskreg_data_arg (const_gimple gs) 4271 { 4272 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 4273 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4274 return gs->gimple_omp_parallel.data_arg; 4275 } 4276 4277 4278 /* Return a pointer to the data argument for OMP_TASK GS. */ 4279 4280 static inline tree * 4281 gimple_omp_taskreg_data_arg_ptr (gimple gs) 4282 { 4283 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 4284 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4285 return &gs->gimple_omp_parallel.data_arg; 4286 } 4287 4288 4289 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */ 4290 4291 static inline void 4292 gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg) 4293 { 4294 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 4295 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4296 gs->gimple_omp_parallel.data_arg = data_arg; 4297 } 4298 4299 4300 /* Return the copy function used to hold the body of OMP_TASK GS. */ 4301 4302 static inline tree 4303 gimple_omp_task_copy_fn (const_gimple gs) 4304 { 4305 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4306 return gs->gimple_omp_task.copy_fn; 4307 } 4308 4309 /* Return a pointer to the copy function used to hold the body of 4310 OMP_TASK GS. */ 4311 4312 static inline tree * 4313 gimple_omp_task_copy_fn_ptr (gimple gs) 4314 { 4315 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4316 return &gs->gimple_omp_task.copy_fn; 4317 } 4318 4319 4320 /* Set CHILD_FN to be the copy function for OMP_TASK GS. */ 4321 4322 static inline void 4323 gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn) 4324 { 4325 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4326 gs->gimple_omp_task.copy_fn = copy_fn; 4327 } 4328 4329 4330 /* Return size of the data block in bytes in OMP_TASK GS. */ 4331 4332 static inline tree 4333 gimple_omp_task_arg_size (const_gimple gs) 4334 { 4335 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4336 return gs->gimple_omp_task.arg_size; 4337 } 4338 4339 4340 /* Return a pointer to the data block size for OMP_TASK GS. */ 4341 4342 static inline tree * 4343 gimple_omp_task_arg_size_ptr (gimple gs) 4344 { 4345 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4346 return &gs->gimple_omp_task.arg_size; 4347 } 4348 4349 4350 /* Set ARG_SIZE to be the data block size for OMP_TASK GS. */ 4351 4352 static inline void 4353 gimple_omp_task_set_arg_size (gimple gs, tree arg_size) 4354 { 4355 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4356 gs->gimple_omp_task.arg_size = arg_size; 4357 } 4358 4359 4360 /* Return align of the data block in bytes in OMP_TASK GS. */ 4361 4362 static inline tree 4363 gimple_omp_task_arg_align (const_gimple gs) 4364 { 4365 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4366 return gs->gimple_omp_task.arg_align; 4367 } 4368 4369 4370 /* Return a pointer to the data block align for OMP_TASK GS. */ 4371 4372 static inline tree * 4373 gimple_omp_task_arg_align_ptr (gimple gs) 4374 { 4375 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4376 return &gs->gimple_omp_task.arg_align; 4377 } 4378 4379 4380 /* Set ARG_SIZE to be the data block align for OMP_TASK GS. */ 4381 4382 static inline void 4383 gimple_omp_task_set_arg_align (gimple gs, tree arg_align) 4384 { 4385 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4386 gs->gimple_omp_task.arg_align = arg_align; 4387 } 4388 4389 4390 /* Return the clauses associated with OMP_SINGLE GS. */ 4391 4392 static inline tree 4393 gimple_omp_single_clauses (const_gimple gs) 4394 { 4395 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE); 4396 return gs->gimple_omp_single.clauses; 4397 } 4398 4399 4400 /* Return a pointer to the clauses associated with OMP_SINGLE GS. */ 4401 4402 static inline tree * 4403 gimple_omp_single_clauses_ptr (gimple gs) 4404 { 4405 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE); 4406 return &gs->gimple_omp_single.clauses; 4407 } 4408 4409 4410 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */ 4411 4412 static inline void 4413 gimple_omp_single_set_clauses (gimple gs, tree clauses) 4414 { 4415 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE); 4416 gs->gimple_omp_single.clauses = clauses; 4417 } 4418 4419 4420 /* Return the clauses associated with OMP_SECTIONS GS. */ 4421 4422 static inline tree 4423 gimple_omp_sections_clauses (const_gimple gs) 4424 { 4425 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); 4426 return gs->gimple_omp_sections.clauses; 4427 } 4428 4429 4430 /* Return a pointer to the clauses associated with OMP_SECTIONS GS. */ 4431 4432 static inline tree * 4433 gimple_omp_sections_clauses_ptr (gimple gs) 4434 { 4435 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); 4436 return &gs->gimple_omp_sections.clauses; 4437 } 4438 4439 4440 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS 4441 GS. */ 4442 4443 static inline void 4444 gimple_omp_sections_set_clauses (gimple gs, tree clauses) 4445 { 4446 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); 4447 gs->gimple_omp_sections.clauses = clauses; 4448 } 4449 4450 4451 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS 4452 in GS. */ 4453 4454 static inline tree 4455 gimple_omp_sections_control (const_gimple gs) 4456 { 4457 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); 4458 return gs->gimple_omp_sections.control; 4459 } 4460 4461 4462 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS 4463 GS. */ 4464 4465 static inline tree * 4466 gimple_omp_sections_control_ptr (gimple gs) 4467 { 4468 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); 4469 return &gs->gimple_omp_sections.control; 4470 } 4471 4472 4473 /* Set CONTROL to be the set of clauses associated with the 4474 GIMPLE_OMP_SECTIONS in GS. */ 4475 4476 static inline void 4477 gimple_omp_sections_set_control (gimple gs, tree control) 4478 { 4479 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); 4480 gs->gimple_omp_sections.control = control; 4481 } 4482 4483 4484 /* Set COND to be the condition code for OMP_FOR GS. */ 4485 4486 static inline void 4487 gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond) 4488 { 4489 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 4490 gcc_gimple_checking_assert (TREE_CODE_CLASS (cond) == tcc_comparison 4491 && i < gs->gimple_omp_for.collapse); 4492 gs->gimple_omp_for.iter[i].cond = cond; 4493 } 4494 4495 4496 /* Return the condition code associated with OMP_FOR GS. */ 4497 4498 static inline enum tree_code 4499 gimple_omp_for_cond (const_gimple gs, size_t i) 4500 { 4501 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 4502 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 4503 return gs->gimple_omp_for.iter[i].cond; 4504 } 4505 4506 4507 /* Set the value being stored in an atomic store. */ 4508 4509 static inline void 4510 gimple_omp_atomic_store_set_val (gimple g, tree val) 4511 { 4512 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE); 4513 g->gimple_omp_atomic_store.val = val; 4514 } 4515 4516 4517 /* Return the value being stored in an atomic store. */ 4518 4519 static inline tree 4520 gimple_omp_atomic_store_val (const_gimple g) 4521 { 4522 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE); 4523 return g->gimple_omp_atomic_store.val; 4524 } 4525 4526 4527 /* Return a pointer to the value being stored in an atomic store. */ 4528 4529 static inline tree * 4530 gimple_omp_atomic_store_val_ptr (gimple g) 4531 { 4532 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE); 4533 return &g->gimple_omp_atomic_store.val; 4534 } 4535 4536 4537 /* Set the LHS of an atomic load. */ 4538 4539 static inline void 4540 gimple_omp_atomic_load_set_lhs (gimple g, tree lhs) 4541 { 4542 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); 4543 g->gimple_omp_atomic_load.lhs = lhs; 4544 } 4545 4546 4547 /* Get the LHS of an atomic load. */ 4548 4549 static inline tree 4550 gimple_omp_atomic_load_lhs (const_gimple g) 4551 { 4552 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); 4553 return g->gimple_omp_atomic_load.lhs; 4554 } 4555 4556 4557 /* Return a pointer to the LHS of an atomic load. */ 4558 4559 static inline tree * 4560 gimple_omp_atomic_load_lhs_ptr (gimple g) 4561 { 4562 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); 4563 return &g->gimple_omp_atomic_load.lhs; 4564 } 4565 4566 4567 /* Set the RHS of an atomic load. */ 4568 4569 static inline void 4570 gimple_omp_atomic_load_set_rhs (gimple g, tree rhs) 4571 { 4572 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); 4573 g->gimple_omp_atomic_load.rhs = rhs; 4574 } 4575 4576 4577 /* Get the RHS of an atomic load. */ 4578 4579 static inline tree 4580 gimple_omp_atomic_load_rhs (const_gimple g) 4581 { 4582 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); 4583 return g->gimple_omp_atomic_load.rhs; 4584 } 4585 4586 4587 /* Return a pointer to the RHS of an atomic load. */ 4588 4589 static inline tree * 4590 gimple_omp_atomic_load_rhs_ptr (gimple g) 4591 { 4592 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); 4593 return &g->gimple_omp_atomic_load.rhs; 4594 } 4595 4596 4597 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */ 4598 4599 static inline tree 4600 gimple_omp_continue_control_def (const_gimple g) 4601 { 4602 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); 4603 return g->gimple_omp_continue.control_def; 4604 } 4605 4606 /* The same as above, but return the address. */ 4607 4608 static inline tree * 4609 gimple_omp_continue_control_def_ptr (gimple g) 4610 { 4611 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); 4612 return &g->gimple_omp_continue.control_def; 4613 } 4614 4615 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */ 4616 4617 static inline void 4618 gimple_omp_continue_set_control_def (gimple g, tree def) 4619 { 4620 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); 4621 g->gimple_omp_continue.control_def = def; 4622 } 4623 4624 4625 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */ 4626 4627 static inline tree 4628 gimple_omp_continue_control_use (const_gimple g) 4629 { 4630 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); 4631 return g->gimple_omp_continue.control_use; 4632 } 4633 4634 4635 /* The same as above, but return the address. */ 4636 4637 static inline tree * 4638 gimple_omp_continue_control_use_ptr (gimple g) 4639 { 4640 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); 4641 return &g->gimple_omp_continue.control_use; 4642 } 4643 4644 4645 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */ 4646 4647 static inline void 4648 gimple_omp_continue_set_control_use (gimple g, tree use) 4649 { 4650 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); 4651 g->gimple_omp_continue.control_use = use; 4652 } 4653 4654 /* Return the body for the GIMPLE_TRANSACTION statement GS. */ 4655 4656 static inline gimple_seq 4657 gimple_transaction_body (gimple gs) 4658 { 4659 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION); 4660 return gs->gimple_transaction.body; 4661 } 4662 4663 /* Return the label associated with a GIMPLE_TRANSACTION. */ 4664 4665 static inline tree 4666 gimple_transaction_label (const_gimple gs) 4667 { 4668 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION); 4669 return gs->gimple_transaction.label; 4670 } 4671 4672 static inline tree * 4673 gimple_transaction_label_ptr (gimple gs) 4674 { 4675 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION); 4676 return &gs->gimple_transaction.label; 4677 } 4678 4679 /* Return the subcode associated with a GIMPLE_TRANSACTION. */ 4680 4681 static inline unsigned int 4682 gimple_transaction_subcode (const_gimple gs) 4683 { 4684 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION); 4685 return gs->gsbase.subcode; 4686 } 4687 4688 /* Set BODY to be the body for the GIMPLE_TRANSACTION statement GS. */ 4689 4690 static inline void 4691 gimple_transaction_set_body (gimple gs, gimple_seq body) 4692 { 4693 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION); 4694 gs->gimple_transaction.body = body; 4695 } 4696 4697 /* Set the label associated with a GIMPLE_TRANSACTION. */ 4698 4699 static inline void 4700 gimple_transaction_set_label (gimple gs, tree label) 4701 { 4702 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION); 4703 gs->gimple_transaction.label = label; 4704 } 4705 4706 /* Set the subcode associated with a GIMPLE_TRANSACTION. */ 4707 4708 static inline void 4709 gimple_transaction_set_subcode (gimple gs, unsigned int subcode) 4710 { 4711 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION); 4712 gs->gsbase.subcode = subcode; 4713 } 4714 4715 4716 /* Return a pointer to the return value for GIMPLE_RETURN GS. */ 4717 4718 static inline tree * 4719 gimple_return_retval_ptr (const_gimple gs) 4720 { 4721 GIMPLE_CHECK (gs, GIMPLE_RETURN); 4722 return gimple_op_ptr (gs, 0); 4723 } 4724 4725 /* Return the return value for GIMPLE_RETURN GS. */ 4726 4727 static inline tree 4728 gimple_return_retval (const_gimple gs) 4729 { 4730 GIMPLE_CHECK (gs, GIMPLE_RETURN); 4731 return gimple_op (gs, 0); 4732 } 4733 4734 4735 /* Set RETVAL to be the return value for GIMPLE_RETURN GS. */ 4736 4737 static inline void 4738 gimple_return_set_retval (gimple gs, tree retval) 4739 { 4740 GIMPLE_CHECK (gs, GIMPLE_RETURN); 4741 gimple_set_op (gs, 0, retval); 4742 } 4743 4744 4745 /* Returns true when the gimple statment STMT is any of the OpenMP types. */ 4746 4747 #define CASE_GIMPLE_OMP \ 4748 case GIMPLE_OMP_PARALLEL: \ 4749 case GIMPLE_OMP_TASK: \ 4750 case GIMPLE_OMP_FOR: \ 4751 case GIMPLE_OMP_SECTIONS: \ 4752 case GIMPLE_OMP_SECTIONS_SWITCH: \ 4753 case GIMPLE_OMP_SINGLE: \ 4754 case GIMPLE_OMP_SECTION: \ 4755 case GIMPLE_OMP_MASTER: \ 4756 case GIMPLE_OMP_ORDERED: \ 4757 case GIMPLE_OMP_CRITICAL: \ 4758 case GIMPLE_OMP_RETURN: \ 4759 case GIMPLE_OMP_ATOMIC_LOAD: \ 4760 case GIMPLE_OMP_ATOMIC_STORE: \ 4761 case GIMPLE_OMP_CONTINUE 4762 4763 static inline bool 4764 is_gimple_omp (const_gimple stmt) 4765 { 4766 switch (gimple_code (stmt)) 4767 { 4768 CASE_GIMPLE_OMP: 4769 return true; 4770 default: 4771 return false; 4772 } 4773 } 4774 4775 4776 /* Returns TRUE if statement G is a GIMPLE_NOP. */ 4777 4778 static inline bool 4779 gimple_nop_p (const_gimple g) 4780 { 4781 return gimple_code (g) == GIMPLE_NOP; 4782 } 4783 4784 4785 /* Return true if GS is a GIMPLE_RESX. */ 4786 4787 static inline bool 4788 is_gimple_resx (const_gimple gs) 4789 { 4790 return gimple_code (gs) == GIMPLE_RESX; 4791 } 4792 4793 /* Return the predictor of GIMPLE_PREDICT statement GS. */ 4794 4795 static inline enum br_predictor 4796 gimple_predict_predictor (gimple gs) 4797 { 4798 GIMPLE_CHECK (gs, GIMPLE_PREDICT); 4799 return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN); 4800 } 4801 4802 4803 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */ 4804 4805 static inline void 4806 gimple_predict_set_predictor (gimple gs, enum br_predictor predictor) 4807 { 4808 GIMPLE_CHECK (gs, GIMPLE_PREDICT); 4809 gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN) 4810 | (unsigned) predictor; 4811 } 4812 4813 4814 /* Return the outcome of GIMPLE_PREDICT statement GS. */ 4815 4816 static inline enum prediction 4817 gimple_predict_outcome (gimple gs) 4818 { 4819 GIMPLE_CHECK (gs, GIMPLE_PREDICT); 4820 return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN; 4821 } 4822 4823 4824 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */ 4825 4826 static inline void 4827 gimple_predict_set_outcome (gimple gs, enum prediction outcome) 4828 { 4829 GIMPLE_CHECK (gs, GIMPLE_PREDICT); 4830 if (outcome == TAKEN) 4831 gs->gsbase.subcode |= GF_PREDICT_TAKEN; 4832 else 4833 gs->gsbase.subcode &= ~GF_PREDICT_TAKEN; 4834 } 4835 4836 4837 /* Return the type of the main expression computed by STMT. Return 4838 void_type_node if the statement computes nothing. */ 4839 4840 static inline tree 4841 gimple_expr_type (const_gimple stmt) 4842 { 4843 enum gimple_code code = gimple_code (stmt); 4844 4845 if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL) 4846 { 4847 tree type; 4848 /* In general we want to pass out a type that can be substituted 4849 for both the RHS and the LHS types if there is a possibly 4850 useless conversion involved. That means returning the 4851 original RHS type as far as we can reconstruct it. */ 4852 if (code == GIMPLE_CALL) 4853 type = gimple_call_return_type (stmt); 4854 else 4855 switch (gimple_assign_rhs_code (stmt)) 4856 { 4857 case POINTER_PLUS_EXPR: 4858 type = TREE_TYPE (gimple_assign_rhs1 (stmt)); 4859 break; 4860 4861 default: 4862 /* As fallback use the type of the LHS. */ 4863 type = TREE_TYPE (gimple_get_lhs (stmt)); 4864 break; 4865 } 4866 return type; 4867 } 4868 else if (code == GIMPLE_COND) 4869 return boolean_type_node; 4870 else 4871 return void_type_node; 4872 } 4873 4874 /* Return true if TYPE is a suitable type for a scalar register variable. */ 4875 4876 static inline bool 4877 is_gimple_reg_type (tree type) 4878 { 4879 return !AGGREGATE_TYPE_P (type); 4880 } 4881 4882 /* Return a new iterator pointing to GIMPLE_SEQ's first statement. */ 4883 4884 static inline gimple_stmt_iterator 4885 gsi_start (gimple_seq seq) 4886 { 4887 gimple_stmt_iterator i; 4888 4889 i.ptr = gimple_seq_first (seq); 4890 i.seq = seq; 4891 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL; 4892 4893 return i; 4894 } 4895 4896 4897 /* Return a new iterator pointing to the first statement in basic block BB. */ 4898 4899 static inline gimple_stmt_iterator 4900 gsi_start_bb (basic_block bb) 4901 { 4902 gimple_stmt_iterator i; 4903 gimple_seq seq; 4904 4905 seq = bb_seq (bb); 4906 i.ptr = gimple_seq_first (seq); 4907 i.seq = seq; 4908 i.bb = bb; 4909 4910 return i; 4911 } 4912 4913 4914 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */ 4915 4916 static inline gimple_stmt_iterator 4917 gsi_last (gimple_seq seq) 4918 { 4919 gimple_stmt_iterator i; 4920 4921 i.ptr = gimple_seq_last (seq); 4922 i.seq = seq; 4923 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL; 4924 4925 return i; 4926 } 4927 4928 4929 /* Return a new iterator pointing to the last statement in basic block BB. */ 4930 4931 static inline gimple_stmt_iterator 4932 gsi_last_bb (basic_block bb) 4933 { 4934 gimple_stmt_iterator i; 4935 gimple_seq seq; 4936 4937 seq = bb_seq (bb); 4938 i.ptr = gimple_seq_last (seq); 4939 i.seq = seq; 4940 i.bb = bb; 4941 4942 return i; 4943 } 4944 4945 4946 /* Return true if I is at the end of its sequence. */ 4947 4948 static inline bool 4949 gsi_end_p (gimple_stmt_iterator i) 4950 { 4951 return i.ptr == NULL; 4952 } 4953 4954 4955 /* Return true if I is one statement before the end of its sequence. */ 4956 4957 static inline bool 4958 gsi_one_before_end_p (gimple_stmt_iterator i) 4959 { 4960 return i.ptr != NULL && i.ptr->next == NULL; 4961 } 4962 4963 4964 /* Advance the iterator to the next gimple statement. */ 4965 4966 static inline void 4967 gsi_next (gimple_stmt_iterator *i) 4968 { 4969 i->ptr = i->ptr->next; 4970 } 4971 4972 /* Advance the iterator to the previous gimple statement. */ 4973 4974 static inline void 4975 gsi_prev (gimple_stmt_iterator *i) 4976 { 4977 i->ptr = i->ptr->prev; 4978 } 4979 4980 /* Return the current stmt. */ 4981 4982 static inline gimple 4983 gsi_stmt (gimple_stmt_iterator i) 4984 { 4985 return i.ptr->stmt; 4986 } 4987 4988 /* Return a block statement iterator that points to the first non-label 4989 statement in block BB. */ 4990 4991 static inline gimple_stmt_iterator 4992 gsi_after_labels (basic_block bb) 4993 { 4994 gimple_stmt_iterator gsi = gsi_start_bb (bb); 4995 4996 while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL) 4997 gsi_next (&gsi); 4998 4999 return gsi; 5000 } 5001 5002 /* Advance the iterator to the next non-debug gimple statement. */ 5003 5004 static inline void 5005 gsi_next_nondebug (gimple_stmt_iterator *i) 5006 { 5007 do 5008 { 5009 gsi_next (i); 5010 } 5011 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i))); 5012 } 5013 5014 /* Advance the iterator to the next non-debug gimple statement. */ 5015 5016 static inline void 5017 gsi_prev_nondebug (gimple_stmt_iterator *i) 5018 { 5019 do 5020 { 5021 gsi_prev (i); 5022 } 5023 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i))); 5024 } 5025 5026 /* Return a new iterator pointing to the first non-debug statement in 5027 basic block BB. */ 5028 5029 static inline gimple_stmt_iterator 5030 gsi_start_nondebug_bb (basic_block bb) 5031 { 5032 gimple_stmt_iterator i = gsi_start_bb (bb); 5033 5034 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i))) 5035 gsi_next_nondebug (&i); 5036 5037 return i; 5038 } 5039 5040 /* Return a new iterator pointing to the last non-debug statement in 5041 basic block BB. */ 5042 5043 static inline gimple_stmt_iterator 5044 gsi_last_nondebug_bb (basic_block bb) 5045 { 5046 gimple_stmt_iterator i = gsi_last_bb (bb); 5047 5048 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i))) 5049 gsi_prev_nondebug (&i); 5050 5051 return i; 5052 } 5053 5054 /* Return a pointer to the current stmt. 5055 5056 NOTE: You may want to use gsi_replace on the iterator itself, 5057 as this performs additional bookkeeping that will not be done 5058 if you simply assign through a pointer returned by gsi_stmt_ptr. */ 5059 5060 static inline gimple * 5061 gsi_stmt_ptr (gimple_stmt_iterator *i) 5062 { 5063 return &i->ptr->stmt; 5064 } 5065 5066 5067 /* Return the basic block associated with this iterator. */ 5068 5069 static inline basic_block 5070 gsi_bb (gimple_stmt_iterator i) 5071 { 5072 return i.bb; 5073 } 5074 5075 5076 /* Return the sequence associated with this iterator. */ 5077 5078 static inline gimple_seq 5079 gsi_seq (gimple_stmt_iterator i) 5080 { 5081 return i.seq; 5082 } 5083 5084 5085 enum gsi_iterator_update 5086 { 5087 GSI_NEW_STMT, /* Only valid when single statement is added, move 5088 iterator to it. */ 5089 GSI_SAME_STMT, /* Leave the iterator at the same statement. */ 5090 GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable 5091 for linking other statements in the same 5092 direction. */ 5093 }; 5094 5095 /* In gimple-iterator.c */ 5096 gimple_stmt_iterator gsi_start_phis (basic_block); 5097 gimple_seq gsi_split_seq_after (gimple_stmt_iterator); 5098 gimple_seq gsi_split_seq_before (gimple_stmt_iterator *); 5099 void gsi_replace (gimple_stmt_iterator *, gimple, bool); 5100 void gsi_insert_before (gimple_stmt_iterator *, gimple, 5101 enum gsi_iterator_update); 5102 void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple, 5103 enum gsi_iterator_update); 5104 void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq, 5105 enum gsi_iterator_update); 5106 void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq, 5107 enum gsi_iterator_update); 5108 void gsi_insert_after (gimple_stmt_iterator *, gimple, 5109 enum gsi_iterator_update); 5110 void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple, 5111 enum gsi_iterator_update); 5112 void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq, 5113 enum gsi_iterator_update); 5114 void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq, 5115 enum gsi_iterator_update); 5116 void gsi_remove (gimple_stmt_iterator *, bool); 5117 gimple_stmt_iterator gsi_for_stmt (gimple); 5118 void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *); 5119 void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *); 5120 void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *); 5121 void gsi_insert_on_edge (edge, gimple); 5122 void gsi_insert_seq_on_edge (edge, gimple_seq); 5123 basic_block gsi_insert_on_edge_immediate (edge, gimple); 5124 basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq); 5125 void gsi_commit_one_edge_insert (edge, basic_block *); 5126 void gsi_commit_edge_inserts (void); 5127 gimple gimple_call_copy_skip_args (gimple, bitmap); 5128 5129 5130 /* Convenience routines to walk all statements of a gimple function. 5131 Note that this is useful exclusively before the code is converted 5132 into SSA form. Once the program is in SSA form, the standard 5133 operand interface should be used to analyze/modify statements. */ 5134 struct walk_stmt_info 5135 { 5136 /* Points to the current statement being walked. */ 5137 gimple_stmt_iterator gsi; 5138 5139 /* Additional data that the callback functions may want to carry 5140 through the recursion. */ 5141 void *info; 5142 5143 /* Pointer map used to mark visited tree nodes when calling 5144 walk_tree on each operand. If set to NULL, duplicate tree nodes 5145 will be visited more than once. */ 5146 struct pointer_set_t *pset; 5147 5148 /* Operand returned by the callbacks. This is set when calling 5149 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback 5150 returns non-NULL, this field will contain the tree returned by 5151 the last callback. */ 5152 tree callback_result; 5153 5154 /* Indicates whether the operand being examined may be replaced 5155 with something that matches is_gimple_val (if true) or something 5156 slightly more complicated (if false). "Something" technically 5157 means the common subset of is_gimple_lvalue and is_gimple_rhs, 5158 but we never try to form anything more complicated than that, so 5159 we don't bother checking. 5160 5161 Also note that CALLBACK should update this flag while walking the 5162 sub-expressions of a statement. For instance, when walking the 5163 statement 'foo (&var)', the flag VAL_ONLY will initially be set 5164 to true, however, when walking &var, the operand of that 5165 ADDR_EXPR does not need to be a GIMPLE value. */ 5166 BOOL_BITFIELD val_only : 1; 5167 5168 /* True if we are currently walking the LHS of an assignment. */ 5169 BOOL_BITFIELD is_lhs : 1; 5170 5171 /* Optional. Set to true by the callback functions if they made any 5172 changes. */ 5173 BOOL_BITFIELD changed : 1; 5174 5175 /* True if we're interested in location information. */ 5176 BOOL_BITFIELD want_locations : 1; 5177 5178 /* True if we've removed the statement that was processed. */ 5179 BOOL_BITFIELD removed_stmt : 1; 5180 }; 5181 5182 /* Callback for walk_gimple_stmt. Called for every statement found 5183 during traversal. The first argument points to the statement to 5184 walk. The second argument is a flag that the callback sets to 5185 'true' if it the callback handled all the operands and 5186 sub-statements of the statement (the default value of this flag is 5187 'false'). The third argument is an anonymous pointer to data 5188 to be used by the callback. */ 5189 typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *, 5190 struct walk_stmt_info *); 5191 5192 gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn, 5193 struct walk_stmt_info *); 5194 tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn, 5195 struct walk_stmt_info *); 5196 tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *); 5197 5198 #ifdef GATHER_STATISTICS 5199 /* Enum and arrays used for allocation stats. Keep in sync with 5200 gimple.c:gimple_alloc_kind_names. */ 5201 enum gimple_alloc_kind 5202 { 5203 gimple_alloc_kind_assign, /* Assignments. */ 5204 gimple_alloc_kind_phi, /* PHI nodes. */ 5205 gimple_alloc_kind_cond, /* Conditionals. */ 5206 gimple_alloc_kind_seq, /* Sequences. */ 5207 gimple_alloc_kind_rest, /* Everything else. */ 5208 gimple_alloc_kind_all 5209 }; 5210 5211 extern int gimple_alloc_counts[]; 5212 extern int gimple_alloc_sizes[]; 5213 5214 /* Return the allocation kind for a given stmt CODE. */ 5215 static inline enum gimple_alloc_kind 5216 gimple_alloc_kind (enum gimple_code code) 5217 { 5218 switch (code) 5219 { 5220 case GIMPLE_ASSIGN: 5221 return gimple_alloc_kind_assign; 5222 case GIMPLE_PHI: 5223 return gimple_alloc_kind_phi; 5224 case GIMPLE_COND: 5225 return gimple_alloc_kind_cond; 5226 default: 5227 return gimple_alloc_kind_rest; 5228 } 5229 } 5230 #endif /* GATHER_STATISTICS */ 5231 5232 extern void dump_gimple_statistics (void); 5233 5234 /* In gimple-fold.c. */ 5235 void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree); 5236 tree gimple_fold_builtin (gimple); 5237 bool fold_stmt (gimple_stmt_iterator *); 5238 bool fold_stmt_inplace (gimple_stmt_iterator *); 5239 tree get_symbol_constant_value (tree); 5240 tree canonicalize_constructor_val (tree); 5241 extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree, 5242 enum tree_code, tree, tree); 5243 extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree, 5244 enum tree_code, tree, tree); 5245 5246 bool gimple_val_nonnegative_real_p (tree); 5247 #endif /* GCC_GIMPLE_H */ 5248