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 /* The SUBCODE field can be used for tuple-specific flags for tuples 309 that do not require subcodes. Note that SUBCODE should be at 310 least as wide as tree codes, as several tuples store tree codes 311 in there. */ 312 unsigned int subcode : 16; 313 314 /* UID of this statement. This is used by passes that want to 315 assign IDs to statements. It must be assigned and used by each 316 pass. By default it should be assumed to contain garbage. */ 317 unsigned uid; 318 319 /* [ WORD 2 ] 320 Locus information for debug info. */ 321 location_t location; 322 323 /* Number of operands in this tuple. */ 324 unsigned num_ops; 325 326 /* [ WORD 3 ] 327 Basic block holding this statement. */ 328 struct basic_block_def *bb; 329 330 /* [ WORD 4 ] 331 Lexical block holding this statement. */ 332 tree block; 333 }; 334 335 336 /* Base structure for tuples with operands. */ 337 338 struct GTY(()) gimple_statement_with_ops_base 339 { 340 /* [ WORD 1-4 ] */ 341 struct gimple_statement_base gsbase; 342 343 /* [ WORD 5-6 ] 344 SSA operand vectors. NOTE: It should be possible to 345 amalgamate these vectors with the operand vector OP. However, 346 the SSA operand vectors are organized differently and contain 347 more information (like immediate use chaining). */ 348 struct def_optype_d GTY((skip (""))) *def_ops; 349 struct use_optype_d GTY((skip (""))) *use_ops; 350 }; 351 352 353 /* Statements that take register operands. */ 354 355 struct GTY(()) gimple_statement_with_ops 356 { 357 /* [ WORD 1-6 ] */ 358 struct gimple_statement_with_ops_base opbase; 359 360 /* [ WORD 7 ] 361 Operand vector. NOTE! This must always be the last field 362 of this structure. In particular, this means that this 363 structure cannot be embedded inside another one. */ 364 tree GTY((length ("%h.opbase.gsbase.num_ops"))) op[1]; 365 }; 366 367 368 /* Base for statements that take both memory and register operands. */ 369 370 struct GTY(()) gimple_statement_with_memory_ops_base 371 { 372 /* [ WORD 1-6 ] */ 373 struct gimple_statement_with_ops_base opbase; 374 375 /* [ WORD 7-8 ] 376 Virtual operands for this statement. The GC will pick them 377 up via the ssa_names array. */ 378 tree GTY((skip (""))) vdef; 379 tree GTY((skip (""))) vuse; 380 }; 381 382 383 /* Statements that take both memory and register operands. */ 384 385 struct GTY(()) gimple_statement_with_memory_ops 386 { 387 /* [ WORD 1-8 ] */ 388 struct gimple_statement_with_memory_ops_base membase; 389 390 /* [ WORD 9 ] 391 Operand vector. NOTE! This must always be the last field 392 of this structure. In particular, this means that this 393 structure cannot be embedded inside another one. */ 394 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1]; 395 }; 396 397 398 /* Call statements that take both memory and register operands. */ 399 400 struct GTY(()) gimple_statement_call 401 { 402 /* [ WORD 1-8 ] */ 403 struct gimple_statement_with_memory_ops_base membase; 404 405 /* [ WORD 9-12 ] */ 406 struct pt_solution call_used; 407 struct pt_solution call_clobbered; 408 409 /* [ WORD 13 ] */ 410 union GTY ((desc ("%1.membase.opbase.gsbase.subcode & GF_CALL_INTERNAL"))) { 411 tree GTY ((tag ("0"))) fntype; 412 enum internal_fn GTY ((tag ("GF_CALL_INTERNAL"))) internal_fn; 413 } u; 414 415 /* [ WORD 14 ] 416 Operand vector. NOTE! This must always be the last field 417 of this structure. In particular, this means that this 418 structure cannot be embedded inside another one. */ 419 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1]; 420 }; 421 422 423 /* OpenMP statements (#pragma omp). */ 424 425 struct GTY(()) gimple_statement_omp { 426 /* [ WORD 1-4 ] */ 427 struct gimple_statement_base gsbase; 428 429 /* [ WORD 5 ] */ 430 gimple_seq body; 431 }; 432 433 434 /* GIMPLE_BIND */ 435 436 struct GTY(()) gimple_statement_bind { 437 /* [ WORD 1-4 ] */ 438 struct gimple_statement_base gsbase; 439 440 /* [ WORD 5 ] 441 Variables declared in this scope. */ 442 tree vars; 443 444 /* [ WORD 6 ] 445 This is different than the BLOCK field in gimple_statement_base, 446 which is analogous to TREE_BLOCK (i.e., the lexical block holding 447 this statement). This field is the equivalent of BIND_EXPR_BLOCK 448 in tree land (i.e., the lexical scope defined by this bind). See 449 gimple-low.c. */ 450 tree block; 451 452 /* [ WORD 7 ] */ 453 gimple_seq body; 454 }; 455 456 457 /* GIMPLE_CATCH */ 458 459 struct GTY(()) gimple_statement_catch { 460 /* [ WORD 1-4 ] */ 461 struct gimple_statement_base gsbase; 462 463 /* [ WORD 5 ] */ 464 tree types; 465 466 /* [ WORD 6 ] */ 467 gimple_seq handler; 468 }; 469 470 471 /* GIMPLE_EH_FILTER */ 472 473 struct GTY(()) gimple_statement_eh_filter { 474 /* [ WORD 1-4 ] */ 475 struct gimple_statement_base gsbase; 476 477 /* [ WORD 5 ] 478 Filter types. */ 479 tree types; 480 481 /* [ WORD 6 ] 482 Failure actions. */ 483 gimple_seq failure; 484 }; 485 486 /* GIMPLE_EH_ELSE */ 487 488 struct GTY(()) gimple_statement_eh_else { 489 /* [ WORD 1-4 ] */ 490 struct gimple_statement_base gsbase; 491 492 /* [ WORD 5,6 ] */ 493 gimple_seq n_body, e_body; 494 }; 495 496 /* GIMPLE_EH_MUST_NOT_THROW */ 497 498 struct GTY(()) gimple_statement_eh_mnt { 499 /* [ WORD 1-4 ] */ 500 struct gimple_statement_base gsbase; 501 502 /* [ WORD 5 ] Abort function decl. */ 503 tree fndecl; 504 }; 505 506 /* GIMPLE_PHI */ 507 508 struct GTY(()) gimple_statement_phi { 509 /* [ WORD 1-4 ] */ 510 struct gimple_statement_base gsbase; 511 512 /* [ WORD 5 ] */ 513 unsigned capacity; 514 unsigned nargs; 515 516 /* [ WORD 6 ] */ 517 tree result; 518 519 /* [ WORD 7 ] */ 520 struct phi_arg_d GTY ((length ("%h.nargs"))) args[1]; 521 }; 522 523 524 /* GIMPLE_RESX, GIMPLE_EH_DISPATCH */ 525 526 struct GTY(()) gimple_statement_eh_ctrl 527 { 528 /* [ WORD 1-4 ] */ 529 struct gimple_statement_base gsbase; 530 531 /* [ WORD 5 ] 532 Exception region number. */ 533 int region; 534 }; 535 536 537 /* GIMPLE_TRY */ 538 539 struct GTY(()) gimple_statement_try { 540 /* [ WORD 1-4 ] */ 541 struct gimple_statement_base gsbase; 542 543 /* [ WORD 5 ] 544 Expression to evaluate. */ 545 gimple_seq eval; 546 547 /* [ WORD 6 ] 548 Cleanup expression. */ 549 gimple_seq cleanup; 550 }; 551 552 /* Kind of GIMPLE_TRY statements. */ 553 enum gimple_try_flags 554 { 555 /* A try/catch. */ 556 GIMPLE_TRY_CATCH = 1 << 0, 557 558 /* A try/finally. */ 559 GIMPLE_TRY_FINALLY = 1 << 1, 560 GIMPLE_TRY_KIND = GIMPLE_TRY_CATCH | GIMPLE_TRY_FINALLY, 561 562 /* Analogous to TRY_CATCH_IS_CLEANUP. */ 563 GIMPLE_TRY_CATCH_IS_CLEANUP = 1 << 2 564 }; 565 566 /* GIMPLE_WITH_CLEANUP_EXPR */ 567 568 struct GTY(()) gimple_statement_wce { 569 /* [ WORD 1-4 ] */ 570 struct gimple_statement_base gsbase; 571 572 /* Subcode: CLEANUP_EH_ONLY. True if the cleanup should only be 573 executed if an exception is thrown, not on normal exit of its 574 scope. This flag is analogous to the CLEANUP_EH_ONLY flag 575 in TARGET_EXPRs. */ 576 577 /* [ WORD 5 ] 578 Cleanup expression. */ 579 gimple_seq cleanup; 580 }; 581 582 583 /* GIMPLE_ASM */ 584 585 struct GTY(()) gimple_statement_asm 586 { 587 /* [ WORD 1-8 ] */ 588 struct gimple_statement_with_memory_ops_base membase; 589 590 /* [ WORD 9 ] 591 __asm__ statement. */ 592 const char *string; 593 594 /* [ WORD 10 ] 595 Number of inputs, outputs, clobbers, labels. */ 596 unsigned char ni; 597 unsigned char no; 598 unsigned char nc; 599 unsigned char nl; 600 601 /* [ WORD 11 ] 602 Operand vector. NOTE! This must always be the last field 603 of this structure. In particular, this means that this 604 structure cannot be embedded inside another one. */ 605 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1]; 606 }; 607 608 /* GIMPLE_OMP_CRITICAL */ 609 610 struct GTY(()) gimple_statement_omp_critical { 611 /* [ WORD 1-5 ] */ 612 struct gimple_statement_omp omp; 613 614 /* [ WORD 6 ] 615 Critical section name. */ 616 tree name; 617 }; 618 619 620 struct GTY(()) gimple_omp_for_iter { 621 /* Condition code. */ 622 enum tree_code cond; 623 624 /* Index variable. */ 625 tree index; 626 627 /* Initial value. */ 628 tree initial; 629 630 /* Final value. */ 631 tree final; 632 633 /* Increment. */ 634 tree incr; 635 }; 636 637 /* GIMPLE_OMP_FOR */ 638 639 struct GTY(()) gimple_statement_omp_for { 640 /* [ WORD 1-5 ] */ 641 struct gimple_statement_omp omp; 642 643 /* [ WORD 6 ] */ 644 tree clauses; 645 646 /* [ WORD 7 ] 647 Number of elements in iter array. */ 648 size_t collapse; 649 650 /* [ WORD 8 ] */ 651 struct gimple_omp_for_iter * GTY((length ("%h.collapse"))) iter; 652 653 /* [ WORD 9 ] 654 Pre-body evaluated before the loop body begins. */ 655 gimple_seq pre_body; 656 }; 657 658 659 /* GIMPLE_OMP_PARALLEL */ 660 661 struct GTY(()) gimple_statement_omp_parallel { 662 /* [ WORD 1-5 ] */ 663 struct gimple_statement_omp omp; 664 665 /* [ WORD 6 ] 666 Clauses. */ 667 tree clauses; 668 669 /* [ WORD 7 ] 670 Child function holding the body of the parallel region. */ 671 tree child_fn; 672 673 /* [ WORD 8 ] 674 Shared data argument. */ 675 tree data_arg; 676 }; 677 678 679 /* GIMPLE_OMP_TASK */ 680 681 struct GTY(()) gimple_statement_omp_task { 682 /* [ WORD 1-8 ] */ 683 struct gimple_statement_omp_parallel par; 684 685 /* [ WORD 9 ] 686 Child function holding firstprivate initialization if needed. */ 687 tree copy_fn; 688 689 /* [ WORD 10-11 ] 690 Size and alignment in bytes of the argument data block. */ 691 tree arg_size; 692 tree arg_align; 693 }; 694 695 696 /* GIMPLE_OMP_SECTION */ 697 /* Uses struct gimple_statement_omp. */ 698 699 700 /* GIMPLE_OMP_SECTIONS */ 701 702 struct GTY(()) gimple_statement_omp_sections { 703 /* [ WORD 1-5 ] */ 704 struct gimple_statement_omp omp; 705 706 /* [ WORD 6 ] */ 707 tree clauses; 708 709 /* [ WORD 7 ] 710 The control variable used for deciding which of the sections to 711 execute. */ 712 tree control; 713 }; 714 715 /* GIMPLE_OMP_CONTINUE. 716 717 Note: This does not inherit from gimple_statement_omp, because we 718 do not need the body field. */ 719 720 struct GTY(()) gimple_statement_omp_continue { 721 /* [ WORD 1-4 ] */ 722 struct gimple_statement_base gsbase; 723 724 /* [ WORD 5 ] */ 725 tree control_def; 726 727 /* [ WORD 6 ] */ 728 tree control_use; 729 }; 730 731 /* GIMPLE_OMP_SINGLE */ 732 733 struct GTY(()) gimple_statement_omp_single { 734 /* [ WORD 1-5 ] */ 735 struct gimple_statement_omp omp; 736 737 /* [ WORD 6 ] */ 738 tree clauses; 739 }; 740 741 742 /* GIMPLE_OMP_ATOMIC_LOAD. 743 Note: This is based on gimple_statement_base, not g_s_omp, because g_s_omp 744 contains a sequence, which we don't need here. */ 745 746 struct GTY(()) gimple_statement_omp_atomic_load { 747 /* [ WORD 1-4 ] */ 748 struct gimple_statement_base gsbase; 749 750 /* [ WORD 5-6 ] */ 751 tree rhs, lhs; 752 }; 753 754 /* GIMPLE_OMP_ATOMIC_STORE. 755 See note on GIMPLE_OMP_ATOMIC_LOAD. */ 756 757 struct GTY(()) gimple_statement_omp_atomic_store { 758 /* [ WORD 1-4 ] */ 759 struct gimple_statement_base gsbase; 760 761 /* [ WORD 5 ] */ 762 tree val; 763 }; 764 765 /* GIMPLE_TRANSACTION. */ 766 767 /* Bits to be stored in the GIMPLE_TRANSACTION subcode. */ 768 769 /* The __transaction_atomic was declared [[outer]] or it is 770 __transaction_relaxed. */ 771 #define GTMA_IS_OUTER (1u << 0) 772 #define GTMA_IS_RELAXED (1u << 1) 773 #define GTMA_DECLARATION_MASK (GTMA_IS_OUTER | GTMA_IS_RELAXED) 774 775 /* The transaction is seen to not have an abort. */ 776 #define GTMA_HAVE_ABORT (1u << 2) 777 /* The transaction is seen to have loads or stores. */ 778 #define GTMA_HAVE_LOAD (1u << 3) 779 #define GTMA_HAVE_STORE (1u << 4) 780 /* The transaction MAY enter serial irrevocable mode in its dynamic scope. */ 781 #define GTMA_MAY_ENTER_IRREVOCABLE (1u << 5) 782 /* The transaction WILL enter serial irrevocable mode. 783 An irrevocable block post-dominates the entire transaction, such 784 that all invocations of the transaction will go serial-irrevocable. 785 In such case, we don't bother instrumenting the transaction, and 786 tell the runtime that it should begin the transaction in 787 serial-irrevocable mode. */ 788 #define GTMA_DOES_GO_IRREVOCABLE (1u << 6) 789 790 struct GTY(()) gimple_statement_transaction 791 { 792 /* [ WORD 1-10 ] */ 793 struct gimple_statement_with_memory_ops_base gsbase; 794 795 /* [ WORD 11 ] */ 796 gimple_seq body; 797 798 /* [ WORD 12 ] */ 799 tree label; 800 }; 801 802 #define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) SYM, 803 enum gimple_statement_structure_enum { 804 #include "gsstruct.def" 805 LAST_GSS_ENUM 806 }; 807 #undef DEFGSSTRUCT 808 809 810 /* Define the overall contents of a gimple tuple. It may be any of the 811 structures declared above for various types of tuples. */ 812 813 union GTY ((desc ("gimple_statement_structure (&%h)"), variable_size)) gimple_statement_d { 814 struct gimple_statement_base GTY ((tag ("GSS_BASE"))) gsbase; 815 struct gimple_statement_with_ops GTY ((tag ("GSS_WITH_OPS"))) gsops; 816 struct gimple_statement_with_memory_ops_base GTY ((tag ("GSS_WITH_MEM_OPS_BASE"))) gsmembase; 817 struct gimple_statement_with_memory_ops GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem; 818 struct gimple_statement_call GTY ((tag ("GSS_CALL"))) gimple_call; 819 struct gimple_statement_omp GTY ((tag ("GSS_OMP"))) omp; 820 struct gimple_statement_bind GTY ((tag ("GSS_BIND"))) gimple_bind; 821 struct gimple_statement_catch GTY ((tag ("GSS_CATCH"))) gimple_catch; 822 struct gimple_statement_eh_filter GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter; 823 struct gimple_statement_eh_mnt GTY ((tag ("GSS_EH_MNT"))) gimple_eh_mnt; 824 struct gimple_statement_eh_else GTY ((tag ("GSS_EH_ELSE"))) gimple_eh_else; 825 struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi; 826 struct gimple_statement_eh_ctrl GTY ((tag ("GSS_EH_CTRL"))) gimple_eh_ctrl; 827 struct gimple_statement_try GTY ((tag ("GSS_TRY"))) gimple_try; 828 struct gimple_statement_wce GTY ((tag ("GSS_WCE"))) gimple_wce; 829 struct gimple_statement_asm GTY ((tag ("GSS_ASM"))) gimple_asm; 830 struct gimple_statement_omp_critical GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical; 831 struct gimple_statement_omp_for GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for; 832 struct gimple_statement_omp_parallel GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel; 833 struct gimple_statement_omp_task GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task; 834 struct gimple_statement_omp_sections GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections; 835 struct gimple_statement_omp_single GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single; 836 struct gimple_statement_omp_continue GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue; 837 struct gimple_statement_omp_atomic_load GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load; 838 struct gimple_statement_omp_atomic_store GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store; 839 struct gimple_statement_transaction GTY((tag ("GSS_TRANSACTION"))) gimple_transaction; 840 }; 841 842 /* In gimple.c. */ 843 844 /* Offset in bytes to the location of the operand vector. 845 Zero if there is no operand vector for this tuple structure. */ 846 extern size_t const gimple_ops_offset_[]; 847 848 /* Map GIMPLE codes to GSS codes. */ 849 extern enum gimple_statement_structure_enum const gss_for_code_[]; 850 851 /* This variable holds the currently expanded gimple statement for purposes 852 of comminucating the profile info to the builtin expanders. */ 853 extern gimple currently_expanding_gimple_stmt; 854 855 gimple gimple_build_return (tree); 856 857 gimple gimple_build_assign_stat (tree, tree MEM_STAT_DECL); 858 #define gimple_build_assign(l,r) gimple_build_assign_stat (l, r MEM_STAT_INFO) 859 860 void extract_ops_from_tree_1 (tree, enum tree_code *, tree *, tree *, tree *); 861 862 gimple gimple_build_assign_with_ops_stat (enum tree_code, tree, tree, 863 tree, tree MEM_STAT_DECL); 864 #define gimple_build_assign_with_ops(c,o1,o2,o3) \ 865 gimple_build_assign_with_ops_stat (c, o1, o2, o3, NULL_TREE MEM_STAT_INFO) 866 #define gimple_build_assign_with_ops3(c,o1,o2,o3,o4) \ 867 gimple_build_assign_with_ops_stat (c, o1, o2, o3, o4 MEM_STAT_INFO) 868 869 gimple gimple_build_debug_bind_stat (tree, tree, gimple MEM_STAT_DECL); 870 #define gimple_build_debug_bind(var,val,stmt) \ 871 gimple_build_debug_bind_stat ((var), (val), (stmt) MEM_STAT_INFO) 872 gimple gimple_build_debug_source_bind_stat (tree, tree, gimple MEM_STAT_DECL); 873 #define gimple_build_debug_source_bind(var,val,stmt) \ 874 gimple_build_debug_source_bind_stat ((var), (val), (stmt) MEM_STAT_INFO) 875 876 gimple gimple_build_call_vec (tree, VEC(tree, heap) *); 877 gimple gimple_build_call (tree, unsigned, ...); 878 gimple gimple_build_call_valist (tree, unsigned, va_list); 879 gimple gimple_build_call_internal (enum internal_fn, unsigned, ...); 880 gimple gimple_build_call_internal_vec (enum internal_fn, VEC(tree, heap) *); 881 gimple gimple_build_call_from_tree (tree); 882 gimple gimplify_assign (tree, tree, gimple_seq *); 883 gimple gimple_build_cond (enum tree_code, tree, tree, tree, tree); 884 gimple gimple_build_label (tree label); 885 gimple gimple_build_goto (tree dest); 886 gimple gimple_build_nop (void); 887 gimple gimple_build_bind (tree, gimple_seq, tree); 888 gimple gimple_build_asm_vec (const char *, VEC(tree,gc) *, VEC(tree,gc) *, 889 VEC(tree,gc) *, VEC(tree,gc) *); 890 gimple gimple_build_catch (tree, gimple_seq); 891 gimple gimple_build_eh_filter (tree, gimple_seq); 892 gimple gimple_build_eh_must_not_throw (tree); 893 gimple gimple_build_eh_else (gimple_seq, gimple_seq); 894 gimple gimple_build_try (gimple_seq, gimple_seq, enum gimple_try_flags); 895 gimple gimple_build_wce (gimple_seq); 896 gimple gimple_build_resx (int); 897 gimple gimple_build_eh_dispatch (int); 898 gimple gimple_build_switch_nlabels (unsigned, tree, tree); 899 gimple gimple_build_switch (unsigned, tree, tree, ...); 900 gimple gimple_build_switch_vec (tree, tree, VEC(tree,heap) *); 901 gimple gimple_build_omp_parallel (gimple_seq, tree, tree, tree); 902 gimple gimple_build_omp_task (gimple_seq, tree, tree, tree, tree, tree, tree); 903 gimple gimple_build_omp_for (gimple_seq, tree, size_t, gimple_seq); 904 gimple gimple_build_omp_critical (gimple_seq, tree); 905 gimple gimple_build_omp_section (gimple_seq); 906 gimple gimple_build_omp_continue (tree, tree); 907 gimple gimple_build_omp_master (gimple_seq); 908 gimple gimple_build_omp_return (bool); 909 gimple gimple_build_omp_ordered (gimple_seq); 910 gimple gimple_build_omp_sections (gimple_seq, tree); 911 gimple gimple_build_omp_sections_switch (void); 912 gimple gimple_build_omp_single (gimple_seq, tree); 913 gimple gimple_build_cdt (tree, tree); 914 gimple gimple_build_omp_atomic_load (tree, tree); 915 gimple gimple_build_omp_atomic_store (tree); 916 gimple gimple_build_transaction (gimple_seq, tree); 917 gimple gimple_build_predict (enum br_predictor, enum prediction); 918 enum gimple_statement_structure_enum gss_for_assign (enum tree_code); 919 void sort_case_labels (VEC(tree,heap) *); 920 void gimple_set_body (tree, gimple_seq); 921 gimple_seq gimple_body (tree); 922 bool gimple_has_body_p (tree); 923 gimple_seq gimple_seq_alloc (void); 924 void gimple_seq_free (gimple_seq); 925 void gimple_seq_add_seq (gimple_seq *, gimple_seq); 926 gimple_seq gimple_seq_copy (gimple_seq); 927 bool gimple_call_same_target_p (const_gimple, const_gimple); 928 int gimple_call_flags (const_gimple); 929 int gimple_call_return_flags (const_gimple); 930 int gimple_call_arg_flags (const_gimple, unsigned); 931 void gimple_call_reset_alias_info (gimple); 932 bool gimple_assign_copy_p (gimple); 933 bool gimple_assign_ssa_name_copy_p (gimple); 934 bool gimple_assign_unary_nop_p (gimple); 935 void gimple_set_bb (gimple, struct basic_block_def *); 936 void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree); 937 void gimple_assign_set_rhs_with_ops_1 (gimple_stmt_iterator *, enum tree_code, 938 tree, tree, tree); 939 tree gimple_get_lhs (const_gimple); 940 void gimple_set_lhs (gimple, tree); 941 void gimple_replace_lhs (gimple, tree); 942 gimple gimple_copy (gimple); 943 void gimple_set_modified (gimple, bool); 944 void gimple_cond_get_ops_from_tree (tree, enum tree_code *, tree *, tree *); 945 gimple gimple_build_cond_from_tree (tree, tree, tree); 946 void gimple_cond_set_condition_from_tree (gimple, tree); 947 bool gimple_has_side_effects (const_gimple); 948 bool gimple_could_trap_p (gimple); 949 bool gimple_could_trap_p_1 (gimple, bool, bool); 950 bool gimple_assign_rhs_could_trap_p (gimple); 951 void gimple_regimplify_operands (gimple, gimple_stmt_iterator *); 952 bool empty_body_p (gimple_seq); 953 unsigned get_gimple_rhs_num_ops (enum tree_code); 954 #define gimple_alloc(c, n) gimple_alloc_stat (c, n MEM_STAT_INFO) 955 gimple gimple_alloc_stat (enum gimple_code, unsigned MEM_STAT_DECL); 956 const char *gimple_decl_printable_name (tree, int); 957 tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree); 958 void gimple_adjust_this_by_delta (gimple_stmt_iterator *, tree); 959 tree gimple_extract_devirt_binfo_from_cst (tree); 960 /* Returns true iff T is a valid GIMPLE statement. */ 961 extern bool is_gimple_stmt (tree); 962 963 /* Returns true iff T is a scalar register variable. */ 964 extern bool is_gimple_reg (tree); 965 /* Returns true iff T is any sort of variable. */ 966 extern bool is_gimple_variable (tree); 967 /* Returns true iff T is any sort of symbol. */ 968 extern bool is_gimple_id (tree); 969 /* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */ 970 extern bool is_gimple_min_lval (tree); 971 /* Returns true iff T is something whose address can be taken. */ 972 extern bool is_gimple_addressable (tree); 973 /* Returns true iff T is any valid GIMPLE lvalue. */ 974 extern bool is_gimple_lvalue (tree); 975 976 /* Returns true iff T is a GIMPLE address. */ 977 bool is_gimple_address (const_tree); 978 /* Returns true iff T is a GIMPLE invariant address. */ 979 bool is_gimple_invariant_address (const_tree); 980 /* Returns true iff T is a GIMPLE invariant address at interprocedural 981 level. */ 982 bool is_gimple_ip_invariant_address (const_tree); 983 /* Returns true iff T is a valid GIMPLE constant. */ 984 bool is_gimple_constant (const_tree); 985 /* Returns true iff T is a GIMPLE restricted function invariant. */ 986 extern bool is_gimple_min_invariant (const_tree); 987 /* Returns true iff T is a GIMPLE restricted interprecodural invariant. */ 988 extern bool is_gimple_ip_invariant (const_tree); 989 /* Returns true iff T is a GIMPLE rvalue. */ 990 extern bool is_gimple_val (tree); 991 /* Returns true iff T is a GIMPLE asm statement input. */ 992 extern bool is_gimple_asm_val (tree); 993 /* Returns true iff T is a valid address operand of a MEM_REF. */ 994 bool is_gimple_mem_ref_addr (tree); 995 /* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a 996 GIMPLE temporary, a renamed user variable, or something else, 997 respectively. */ 998 extern bool is_gimple_reg_rhs (tree); 999 extern bool is_gimple_mem_rhs (tree); 1000 1001 /* Returns true iff T is a valid if-statement condition. */ 1002 extern bool is_gimple_condexpr (tree); 1003 1004 /* Returns true iff T is a valid call address expression. */ 1005 extern bool is_gimple_call_addr (tree); 1006 1007 extern void recalculate_side_effects (tree); 1008 extern bool gimple_compare_field_offset (tree, tree); 1009 extern tree gimple_register_type (tree); 1010 extern tree gimple_register_canonical_type (tree); 1011 extern void print_gimple_types_stats (void); 1012 extern void free_gimple_type_tables (void); 1013 extern tree gimple_unsigned_type (tree); 1014 extern tree gimple_signed_type (tree); 1015 extern alias_set_type gimple_get_alias_set (tree); 1016 extern void count_uses_and_derefs (tree, gimple, unsigned *, unsigned *, 1017 unsigned *); 1018 extern bool walk_stmt_load_store_addr_ops (gimple, void *, 1019 bool (*)(gimple, tree, void *), 1020 bool (*)(gimple, tree, void *), 1021 bool (*)(gimple, tree, void *)); 1022 extern bool walk_stmt_load_store_ops (gimple, void *, 1023 bool (*)(gimple, tree, void *), 1024 bool (*)(gimple, tree, void *)); 1025 extern bool gimple_ior_addresses_taken (bitmap, gimple); 1026 extern bool gimple_call_builtin_p (gimple, enum built_in_function); 1027 extern bool gimple_asm_clobbers_memory_p (const_gimple); 1028 1029 /* In gimplify.c */ 1030 extern tree create_tmp_var_raw (tree, const char *); 1031 extern tree create_tmp_var_name (const char *); 1032 extern tree create_tmp_var (tree, const char *); 1033 extern tree create_tmp_reg (tree, const char *); 1034 extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *); 1035 extern tree get_formal_tmp_var (tree, gimple_seq *); 1036 extern void declare_vars (tree, gimple, bool); 1037 extern void annotate_all_with_location (gimple_seq, location_t); 1038 1039 /* Validation of GIMPLE expressions. Note that these predicates only check 1040 the basic form of the expression, they don't recurse to make sure that 1041 underlying nodes are also of the right form. */ 1042 typedef bool (*gimple_predicate)(tree); 1043 1044 1045 /* FIXME we should deduce this from the predicate. */ 1046 enum fallback { 1047 fb_none = 0, /* Do not generate a temporary. */ 1048 1049 fb_rvalue = 1, /* Generate an rvalue to hold the result of a 1050 gimplified expression. */ 1051 1052 fb_lvalue = 2, /* Generate an lvalue to hold the result of a 1053 gimplified expression. */ 1054 1055 fb_mayfail = 4, /* Gimplification may fail. Error issued 1056 afterwards. */ 1057 fb_either= fb_rvalue | fb_lvalue 1058 }; 1059 1060 typedef int fallback_t; 1061 1062 enum gimplify_status { 1063 GS_ERROR = -2, /* Something Bad Seen. */ 1064 GS_UNHANDLED = -1, /* A langhook result for "I dunno". */ 1065 GS_OK = 0, /* We did something, maybe more to do. */ 1066 GS_ALL_DONE = 1 /* The expression is fully gimplified. */ 1067 }; 1068 1069 struct gimplify_ctx 1070 { 1071 struct gimplify_ctx *prev_context; 1072 1073 VEC(gimple,heap) *bind_expr_stack; 1074 tree temps; 1075 gimple_seq conditional_cleanups; 1076 tree exit_label; 1077 tree return_temp; 1078 1079 VEC(tree,heap) *case_labels; 1080 /* The formal temporary table. Should this be persistent? */ 1081 htab_t temp_htab; 1082 1083 int conditions; 1084 bool save_stack; 1085 bool into_ssa; 1086 bool allow_rhs_cond_expr; 1087 bool in_cleanup_point_expr; 1088 }; 1089 1090 extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *, 1091 bool (*) (tree), fallback_t); 1092 extern void gimplify_type_sizes (tree, gimple_seq *); 1093 extern void gimplify_one_sizepos (tree *, gimple_seq *); 1094 extern bool gimplify_stmt (tree *, gimple_seq *); 1095 extern gimple gimplify_body (tree, bool); 1096 extern void push_gimplify_context (struct gimplify_ctx *); 1097 extern void pop_gimplify_context (gimple); 1098 extern void gimplify_and_add (tree, gimple_seq *); 1099 1100 /* Miscellaneous helpers. */ 1101 extern void gimple_add_tmp_var (tree); 1102 extern gimple gimple_current_bind_expr (void); 1103 extern VEC(gimple, heap) *gimple_bind_expr_stack (void); 1104 extern tree voidify_wrapper_expr (tree, tree); 1105 extern tree build_and_jump (tree *); 1106 extern tree force_labels_r (tree *, int *, void *); 1107 extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *, 1108 gimple_seq *); 1109 struct gimplify_omp_ctx; 1110 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree); 1111 extern tree gimple_boolify (tree); 1112 extern gimple_predicate rhs_predicate_for (tree); 1113 extern tree canonicalize_cond_expr_cond (tree); 1114 1115 /* In omp-low.c. */ 1116 extern tree omp_reduction_init (tree, tree); 1117 1118 /* In trans-mem.c. */ 1119 extern void diagnose_tm_safe_errors (tree); 1120 extern void compute_transaction_bits (void); 1121 1122 /* In tree-nested.c. */ 1123 extern void lower_nested_functions (tree); 1124 extern void insert_field_into_struct (tree, tree); 1125 1126 /* In gimplify.c. */ 1127 extern void gimplify_function_tree (tree); 1128 1129 /* In cfgexpand.c. */ 1130 extern tree gimple_assign_rhs_to_tree (gimple); 1131 1132 /* In builtins.c */ 1133 extern bool validate_gimple_arglist (const_gimple, ...); 1134 1135 /* In tree-ssa.c */ 1136 extern bool tree_ssa_useless_type_conversion (tree); 1137 extern tree tree_ssa_strip_useless_type_conversions (tree); 1138 extern bool useless_type_conversion_p (tree, tree); 1139 extern bool types_compatible_p (tree, tree); 1140 1141 /* Return the code for GIMPLE statement G. */ 1142 1143 static inline enum gimple_code 1144 gimple_code (const_gimple g) 1145 { 1146 return g->gsbase.code; 1147 } 1148 1149 1150 /* Return the GSS code used by a GIMPLE code. */ 1151 1152 static inline enum gimple_statement_structure_enum 1153 gss_for_code (enum gimple_code code) 1154 { 1155 gcc_gimple_checking_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE); 1156 return gss_for_code_[code]; 1157 } 1158 1159 1160 /* Return which GSS code is used by GS. */ 1161 1162 static inline enum gimple_statement_structure_enum 1163 gimple_statement_structure (gimple gs) 1164 { 1165 return gss_for_code (gimple_code (gs)); 1166 } 1167 1168 1169 /* Return true if statement G has sub-statements. This is only true for 1170 High GIMPLE statements. */ 1171 1172 static inline bool 1173 gimple_has_substatements (gimple g) 1174 { 1175 switch (gimple_code (g)) 1176 { 1177 case GIMPLE_BIND: 1178 case GIMPLE_CATCH: 1179 case GIMPLE_EH_FILTER: 1180 case GIMPLE_EH_ELSE: 1181 case GIMPLE_TRY: 1182 case GIMPLE_OMP_FOR: 1183 case GIMPLE_OMP_MASTER: 1184 case GIMPLE_OMP_ORDERED: 1185 case GIMPLE_OMP_SECTION: 1186 case GIMPLE_OMP_PARALLEL: 1187 case GIMPLE_OMP_TASK: 1188 case GIMPLE_OMP_SECTIONS: 1189 case GIMPLE_OMP_SINGLE: 1190 case GIMPLE_OMP_CRITICAL: 1191 case GIMPLE_WITH_CLEANUP_EXPR: 1192 case GIMPLE_TRANSACTION: 1193 return true; 1194 1195 default: 1196 return false; 1197 } 1198 } 1199 1200 1201 /* Return the basic block holding statement G. */ 1202 1203 static inline struct basic_block_def * 1204 gimple_bb (const_gimple g) 1205 { 1206 return g->gsbase.bb; 1207 } 1208 1209 1210 /* Return the lexical scope block holding statement G. */ 1211 1212 static inline tree 1213 gimple_block (const_gimple g) 1214 { 1215 return g->gsbase.block; 1216 } 1217 1218 1219 /* Set BLOCK to be the lexical scope block holding statement G. */ 1220 1221 static inline void 1222 gimple_set_block (gimple g, tree block) 1223 { 1224 g->gsbase.block = block; 1225 } 1226 1227 1228 /* Return location information for statement G. */ 1229 1230 static inline location_t 1231 gimple_location (const_gimple g) 1232 { 1233 return g->gsbase.location; 1234 } 1235 1236 /* Return pointer to location information for statement G. */ 1237 1238 static inline const location_t * 1239 gimple_location_ptr (const_gimple g) 1240 { 1241 return &g->gsbase.location; 1242 } 1243 1244 1245 /* Set location information for statement G. */ 1246 1247 static inline void 1248 gimple_set_location (gimple g, location_t location) 1249 { 1250 g->gsbase.location = location; 1251 } 1252 1253 1254 /* Return true if G contains location information. */ 1255 1256 static inline bool 1257 gimple_has_location (const_gimple g) 1258 { 1259 return gimple_location (g) != UNKNOWN_LOCATION; 1260 } 1261 1262 1263 /* Return the file name of the location of STMT. */ 1264 1265 static inline const char * 1266 gimple_filename (const_gimple stmt) 1267 { 1268 return LOCATION_FILE (gimple_location (stmt)); 1269 } 1270 1271 1272 /* Return the line number of the location of STMT. */ 1273 1274 static inline int 1275 gimple_lineno (const_gimple stmt) 1276 { 1277 return LOCATION_LINE (gimple_location (stmt)); 1278 } 1279 1280 1281 /* Determine whether SEQ is a singleton. */ 1282 1283 static inline bool 1284 gimple_seq_singleton_p (gimple_seq seq) 1285 { 1286 return ((gimple_seq_first (seq) != NULL) 1287 && (gimple_seq_first (seq) == gimple_seq_last (seq))); 1288 } 1289 1290 /* Return true if no warnings should be emitted for statement STMT. */ 1291 1292 static inline bool 1293 gimple_no_warning_p (const_gimple stmt) 1294 { 1295 return stmt->gsbase.no_warning; 1296 } 1297 1298 /* Set the no_warning flag of STMT to NO_WARNING. */ 1299 1300 static inline void 1301 gimple_set_no_warning (gimple stmt, bool no_warning) 1302 { 1303 stmt->gsbase.no_warning = (unsigned) no_warning; 1304 } 1305 1306 /* Set the visited status on statement STMT to VISITED_P. */ 1307 1308 static inline void 1309 gimple_set_visited (gimple stmt, bool visited_p) 1310 { 1311 stmt->gsbase.visited = (unsigned) visited_p; 1312 } 1313 1314 1315 /* Return the visited status for statement STMT. */ 1316 1317 static inline bool 1318 gimple_visited_p (gimple stmt) 1319 { 1320 return stmt->gsbase.visited; 1321 } 1322 1323 1324 /* Set pass local flag PLF on statement STMT to VAL_P. */ 1325 1326 static inline void 1327 gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p) 1328 { 1329 if (val_p) 1330 stmt->gsbase.plf |= (unsigned int) plf; 1331 else 1332 stmt->gsbase.plf &= ~((unsigned int) plf); 1333 } 1334 1335 1336 /* Return the value of pass local flag PLF on statement STMT. */ 1337 1338 static inline unsigned int 1339 gimple_plf (gimple stmt, enum plf_mask plf) 1340 { 1341 return stmt->gsbase.plf & ((unsigned int) plf); 1342 } 1343 1344 1345 /* Set the UID of statement. */ 1346 1347 static inline void 1348 gimple_set_uid (gimple g, unsigned uid) 1349 { 1350 g->gsbase.uid = uid; 1351 } 1352 1353 1354 /* Return the UID of statement. */ 1355 1356 static inline unsigned 1357 gimple_uid (const_gimple g) 1358 { 1359 return g->gsbase.uid; 1360 } 1361 1362 1363 /* Return true if GIMPLE statement G has register or memory operands. */ 1364 1365 static inline bool 1366 gimple_has_ops (const_gimple g) 1367 { 1368 return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN; 1369 } 1370 1371 1372 /* Return true if GIMPLE statement G has memory operands. */ 1373 1374 static inline bool 1375 gimple_has_mem_ops (const_gimple g) 1376 { 1377 return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN; 1378 } 1379 1380 1381 /* Return the set of DEF operands for statement G. */ 1382 1383 static inline struct def_optype_d * 1384 gimple_def_ops (const_gimple g) 1385 { 1386 if (!gimple_has_ops (g)) 1387 return NULL; 1388 return g->gsops.opbase.def_ops; 1389 } 1390 1391 1392 /* Set DEF to be the set of DEF operands for statement G. */ 1393 1394 static inline void 1395 gimple_set_def_ops (gimple g, struct def_optype_d *def) 1396 { 1397 gcc_gimple_checking_assert (gimple_has_ops (g)); 1398 g->gsops.opbase.def_ops = def; 1399 } 1400 1401 1402 /* Return the set of USE operands for statement G. */ 1403 1404 static inline struct use_optype_d * 1405 gimple_use_ops (const_gimple g) 1406 { 1407 if (!gimple_has_ops (g)) 1408 return NULL; 1409 return g->gsops.opbase.use_ops; 1410 } 1411 1412 1413 /* Set USE to be the set of USE operands for statement G. */ 1414 1415 static inline void 1416 gimple_set_use_ops (gimple g, struct use_optype_d *use) 1417 { 1418 gcc_gimple_checking_assert (gimple_has_ops (g)); 1419 g->gsops.opbase.use_ops = use; 1420 } 1421 1422 1423 /* Return the set of VUSE operand for statement G. */ 1424 1425 static inline use_operand_p 1426 gimple_vuse_op (const_gimple g) 1427 { 1428 struct use_optype_d *ops; 1429 if (!gimple_has_mem_ops (g)) 1430 return NULL_USE_OPERAND_P; 1431 ops = g->gsops.opbase.use_ops; 1432 if (ops 1433 && USE_OP_PTR (ops)->use == &g->gsmembase.vuse) 1434 return USE_OP_PTR (ops); 1435 return NULL_USE_OPERAND_P; 1436 } 1437 1438 /* Return the set of VDEF operand for statement G. */ 1439 1440 static inline def_operand_p 1441 gimple_vdef_op (const_gimple g) 1442 { 1443 struct def_optype_d *ops; 1444 if (!gimple_has_mem_ops (g)) 1445 return NULL_DEF_OPERAND_P; 1446 ops = g->gsops.opbase.def_ops; 1447 if (ops 1448 && DEF_OP_PTR (ops) == &g->gsmembase.vdef) 1449 return DEF_OP_PTR (ops); 1450 return NULL_DEF_OPERAND_P; 1451 } 1452 1453 1454 /* Return the single VUSE operand of the statement G. */ 1455 1456 static inline tree 1457 gimple_vuse (const_gimple g) 1458 { 1459 if (!gimple_has_mem_ops (g)) 1460 return NULL_TREE; 1461 return g->gsmembase.vuse; 1462 } 1463 1464 /* Return the single VDEF operand of the statement G. */ 1465 1466 static inline tree 1467 gimple_vdef (const_gimple g) 1468 { 1469 if (!gimple_has_mem_ops (g)) 1470 return NULL_TREE; 1471 return g->gsmembase.vdef; 1472 } 1473 1474 /* Return the single VUSE operand of the statement G. */ 1475 1476 static inline tree * 1477 gimple_vuse_ptr (gimple g) 1478 { 1479 if (!gimple_has_mem_ops (g)) 1480 return NULL; 1481 return &g->gsmembase.vuse; 1482 } 1483 1484 /* Return the single VDEF operand of the statement G. */ 1485 1486 static inline tree * 1487 gimple_vdef_ptr (gimple g) 1488 { 1489 if (!gimple_has_mem_ops (g)) 1490 return NULL; 1491 return &g->gsmembase.vdef; 1492 } 1493 1494 /* Set the single VUSE operand of the statement G. */ 1495 1496 static inline void 1497 gimple_set_vuse (gimple g, tree vuse) 1498 { 1499 gcc_gimple_checking_assert (gimple_has_mem_ops (g)); 1500 g->gsmembase.vuse = vuse; 1501 } 1502 1503 /* Set the single VDEF operand of the statement G. */ 1504 1505 static inline void 1506 gimple_set_vdef (gimple g, tree vdef) 1507 { 1508 gcc_gimple_checking_assert (gimple_has_mem_ops (g)); 1509 g->gsmembase.vdef = vdef; 1510 } 1511 1512 1513 /* Return true if statement G has operands and the modified field has 1514 been set. */ 1515 1516 static inline bool 1517 gimple_modified_p (const_gimple g) 1518 { 1519 return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false; 1520 } 1521 1522 1523 /* Return the tree code for the expression computed by STMT. This is 1524 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For 1525 GIMPLE_CALL, return CALL_EXPR as the expression code for 1526 consistency. This is useful when the caller needs to deal with the 1527 three kinds of computation that GIMPLE supports. */ 1528 1529 static inline enum tree_code 1530 gimple_expr_code (const_gimple stmt) 1531 { 1532 enum gimple_code code = gimple_code (stmt); 1533 if (code == GIMPLE_ASSIGN || code == GIMPLE_COND) 1534 return (enum tree_code) stmt->gsbase.subcode; 1535 else 1536 { 1537 gcc_gimple_checking_assert (code == GIMPLE_CALL); 1538 return CALL_EXPR; 1539 } 1540 } 1541 1542 1543 /* Mark statement S as modified, and update it. */ 1544 1545 static inline void 1546 update_stmt (gimple s) 1547 { 1548 if (gimple_has_ops (s)) 1549 { 1550 gimple_set_modified (s, true); 1551 update_stmt_operands (s); 1552 } 1553 } 1554 1555 /* Update statement S if it has been optimized. */ 1556 1557 static inline void 1558 update_stmt_if_modified (gimple s) 1559 { 1560 if (gimple_modified_p (s)) 1561 update_stmt_operands (s); 1562 } 1563 1564 /* Return true if statement STMT contains volatile operands. */ 1565 1566 static inline bool 1567 gimple_has_volatile_ops (const_gimple stmt) 1568 { 1569 if (gimple_has_mem_ops (stmt)) 1570 return stmt->gsbase.has_volatile_ops; 1571 else 1572 return false; 1573 } 1574 1575 1576 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */ 1577 1578 static inline void 1579 gimple_set_has_volatile_ops (gimple stmt, bool volatilep) 1580 { 1581 if (gimple_has_mem_ops (stmt)) 1582 stmt->gsbase.has_volatile_ops = (unsigned) volatilep; 1583 } 1584 1585 /* Return true if BB is in a transaction. */ 1586 1587 static inline bool 1588 block_in_transaction (basic_block bb) 1589 { 1590 return flag_tm && bb->flags & BB_IN_TRANSACTION; 1591 } 1592 1593 /* Return true if STMT is in a transaction. */ 1594 1595 static inline bool 1596 gimple_in_transaction (gimple stmt) 1597 { 1598 return block_in_transaction (gimple_bb (stmt)); 1599 } 1600 1601 /* Return true if statement STMT may access memory. */ 1602 1603 static inline bool 1604 gimple_references_memory_p (gimple stmt) 1605 { 1606 return gimple_has_mem_ops (stmt) && gimple_vuse (stmt); 1607 } 1608 1609 1610 /* Return the subcode for OMP statement S. */ 1611 1612 static inline unsigned 1613 gimple_omp_subcode (const_gimple s) 1614 { 1615 gcc_gimple_checking_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD 1616 && gimple_code (s) <= GIMPLE_OMP_SINGLE); 1617 return s->gsbase.subcode; 1618 } 1619 1620 /* Set the subcode for OMP statement S to SUBCODE. */ 1621 1622 static inline void 1623 gimple_omp_set_subcode (gimple s, unsigned int subcode) 1624 { 1625 /* We only have 16 bits for the subcode. Assert that we are not 1626 overflowing it. */ 1627 gcc_gimple_checking_assert (subcode < (1 << 16)); 1628 s->gsbase.subcode = subcode; 1629 } 1630 1631 /* Set the nowait flag on OMP_RETURN statement S. */ 1632 1633 static inline void 1634 gimple_omp_return_set_nowait (gimple s) 1635 { 1636 GIMPLE_CHECK (s, GIMPLE_OMP_RETURN); 1637 s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT; 1638 } 1639 1640 1641 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT 1642 flag set. */ 1643 1644 static inline bool 1645 gimple_omp_return_nowait_p (const_gimple g) 1646 { 1647 GIMPLE_CHECK (g, GIMPLE_OMP_RETURN); 1648 return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0; 1649 } 1650 1651 1652 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST 1653 flag set. */ 1654 1655 static inline bool 1656 gimple_omp_section_last_p (const_gimple g) 1657 { 1658 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION); 1659 return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0; 1660 } 1661 1662 1663 /* Set the GF_OMP_SECTION_LAST flag on G. */ 1664 1665 static inline void 1666 gimple_omp_section_set_last (gimple g) 1667 { 1668 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION); 1669 g->gsbase.subcode |= GF_OMP_SECTION_LAST; 1670 } 1671 1672 1673 /* Return true if OMP parallel statement G has the 1674 GF_OMP_PARALLEL_COMBINED flag set. */ 1675 1676 static inline bool 1677 gimple_omp_parallel_combined_p (const_gimple g) 1678 { 1679 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL); 1680 return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0; 1681 } 1682 1683 1684 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean 1685 value of COMBINED_P. */ 1686 1687 static inline void 1688 gimple_omp_parallel_set_combined_p (gimple g, bool combined_p) 1689 { 1690 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL); 1691 if (combined_p) 1692 g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED; 1693 else 1694 g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED; 1695 } 1696 1697 1698 /* Return true if OMP atomic load/store statement G has the 1699 GF_OMP_ATOMIC_NEED_VALUE flag set. */ 1700 1701 static inline bool 1702 gimple_omp_atomic_need_value_p (const_gimple g) 1703 { 1704 if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD) 1705 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE); 1706 return (gimple_omp_subcode (g) & GF_OMP_ATOMIC_NEED_VALUE) != 0; 1707 } 1708 1709 1710 /* Set the GF_OMP_ATOMIC_NEED_VALUE flag on G. */ 1711 1712 static inline void 1713 gimple_omp_atomic_set_need_value (gimple g) 1714 { 1715 if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD) 1716 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE); 1717 g->gsbase.subcode |= GF_OMP_ATOMIC_NEED_VALUE; 1718 } 1719 1720 1721 /* Return the number of operands for statement GS. */ 1722 1723 static inline unsigned 1724 gimple_num_ops (const_gimple gs) 1725 { 1726 return gs->gsbase.num_ops; 1727 } 1728 1729 1730 /* Set the number of operands for statement GS. */ 1731 1732 static inline void 1733 gimple_set_num_ops (gimple gs, unsigned num_ops) 1734 { 1735 gs->gsbase.num_ops = num_ops; 1736 } 1737 1738 1739 /* Return the array of operands for statement GS. */ 1740 1741 static inline tree * 1742 gimple_ops (gimple gs) 1743 { 1744 size_t off; 1745 1746 /* All the tuples have their operand vector at the very bottom 1747 of the structure. Note that those structures that do not 1748 have an operand vector have a zero offset. */ 1749 off = gimple_ops_offset_[gimple_statement_structure (gs)]; 1750 gcc_gimple_checking_assert (off != 0); 1751 1752 return (tree *) ((char *) gs + off); 1753 } 1754 1755 1756 /* Return operand I for statement GS. */ 1757 1758 static inline tree 1759 gimple_op (const_gimple gs, unsigned i) 1760 { 1761 if (gimple_has_ops (gs)) 1762 { 1763 gcc_gimple_checking_assert (i < gimple_num_ops (gs)); 1764 return gimple_ops (CONST_CAST_GIMPLE (gs))[i]; 1765 } 1766 else 1767 return NULL_TREE; 1768 } 1769 1770 /* Return a pointer to operand I for statement GS. */ 1771 1772 static inline tree * 1773 gimple_op_ptr (const_gimple gs, unsigned i) 1774 { 1775 if (gimple_has_ops (gs)) 1776 { 1777 gcc_gimple_checking_assert (i < gimple_num_ops (gs)); 1778 return gimple_ops (CONST_CAST_GIMPLE (gs)) + i; 1779 } 1780 else 1781 return NULL; 1782 } 1783 1784 /* Set operand I of statement GS to OP. */ 1785 1786 static inline void 1787 gimple_set_op (gimple gs, unsigned i, tree op) 1788 { 1789 gcc_gimple_checking_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs)); 1790 1791 /* Note. It may be tempting to assert that OP matches 1792 is_gimple_operand, but that would be wrong. Different tuples 1793 accept slightly different sets of tree operands. Each caller 1794 should perform its own validation. */ 1795 gimple_ops (gs)[i] = op; 1796 } 1797 1798 /* Return true if GS is a GIMPLE_ASSIGN. */ 1799 1800 static inline bool 1801 is_gimple_assign (const_gimple gs) 1802 { 1803 return gimple_code (gs) == GIMPLE_ASSIGN; 1804 } 1805 1806 /* Determine if expression CODE is one of the valid expressions that can 1807 be used on the RHS of GIMPLE assignments. */ 1808 1809 static inline enum gimple_rhs_class 1810 get_gimple_rhs_class (enum tree_code code) 1811 { 1812 return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code]; 1813 } 1814 1815 /* Return the LHS of assignment statement GS. */ 1816 1817 static inline tree 1818 gimple_assign_lhs (const_gimple gs) 1819 { 1820 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1821 return gimple_op (gs, 0); 1822 } 1823 1824 1825 /* Return a pointer to the LHS of assignment statement GS. */ 1826 1827 static inline tree * 1828 gimple_assign_lhs_ptr (const_gimple gs) 1829 { 1830 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1831 return gimple_op_ptr (gs, 0); 1832 } 1833 1834 1835 /* Set LHS to be the LHS operand of assignment statement GS. */ 1836 1837 static inline void 1838 gimple_assign_set_lhs (gimple gs, tree lhs) 1839 { 1840 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1841 gimple_set_op (gs, 0, lhs); 1842 1843 if (lhs && TREE_CODE (lhs) == SSA_NAME) 1844 SSA_NAME_DEF_STMT (lhs) = gs; 1845 } 1846 1847 1848 /* Return the first operand on the RHS of assignment statement GS. */ 1849 1850 static inline tree 1851 gimple_assign_rhs1 (const_gimple gs) 1852 { 1853 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1854 return gimple_op (gs, 1); 1855 } 1856 1857 1858 /* Return a pointer to the first operand on the RHS of assignment 1859 statement GS. */ 1860 1861 static inline tree * 1862 gimple_assign_rhs1_ptr (const_gimple gs) 1863 { 1864 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1865 return gimple_op_ptr (gs, 1); 1866 } 1867 1868 /* Set RHS to be the first operand on the RHS of assignment statement GS. */ 1869 1870 static inline void 1871 gimple_assign_set_rhs1 (gimple gs, tree rhs) 1872 { 1873 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1874 1875 gimple_set_op (gs, 1, rhs); 1876 } 1877 1878 1879 /* Return the second operand on the RHS of assignment statement GS. 1880 If GS does not have two operands, NULL is returned instead. */ 1881 1882 static inline tree 1883 gimple_assign_rhs2 (const_gimple gs) 1884 { 1885 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1886 1887 if (gimple_num_ops (gs) >= 3) 1888 return gimple_op (gs, 2); 1889 else 1890 return NULL_TREE; 1891 } 1892 1893 1894 /* Return a pointer to the second operand on the RHS of assignment 1895 statement GS. */ 1896 1897 static inline tree * 1898 gimple_assign_rhs2_ptr (const_gimple gs) 1899 { 1900 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1901 return gimple_op_ptr (gs, 2); 1902 } 1903 1904 1905 /* Set RHS to be the second operand on the RHS of assignment statement GS. */ 1906 1907 static inline void 1908 gimple_assign_set_rhs2 (gimple gs, tree rhs) 1909 { 1910 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1911 1912 gimple_set_op (gs, 2, rhs); 1913 } 1914 1915 /* Return the third operand on the RHS of assignment statement GS. 1916 If GS does not have two operands, NULL is returned instead. */ 1917 1918 static inline tree 1919 gimple_assign_rhs3 (const_gimple gs) 1920 { 1921 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1922 1923 if (gimple_num_ops (gs) >= 4) 1924 return gimple_op (gs, 3); 1925 else 1926 return NULL_TREE; 1927 } 1928 1929 /* Return a pointer to the third operand on the RHS of assignment 1930 statement GS. */ 1931 1932 static inline tree * 1933 gimple_assign_rhs3_ptr (const_gimple gs) 1934 { 1935 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1936 return gimple_op_ptr (gs, 3); 1937 } 1938 1939 1940 /* Set RHS to be the third operand on the RHS of assignment statement GS. */ 1941 1942 static inline void 1943 gimple_assign_set_rhs3 (gimple gs, tree rhs) 1944 { 1945 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1946 1947 gimple_set_op (gs, 3, rhs); 1948 } 1949 1950 /* A wrapper around gimple_assign_set_rhs_with_ops_1, for callers which expect 1951 to see only a maximum of two operands. */ 1952 1953 static inline void 1954 gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *gsi, enum tree_code code, 1955 tree op1, tree op2) 1956 { 1957 gimple_assign_set_rhs_with_ops_1 (gsi, code, op1, op2, NULL); 1958 } 1959 1960 /* A wrapper around extract_ops_from_tree_1, for callers which expect 1961 to see only a maximum of two operands. */ 1962 1963 static inline void 1964 extract_ops_from_tree (tree expr, enum tree_code *code, tree *op0, 1965 tree *op1) 1966 { 1967 tree op2; 1968 extract_ops_from_tree_1 (expr, code, op0, op1, &op2); 1969 gcc_assert (op2 == NULL_TREE); 1970 } 1971 1972 /* Returns true if GS is a nontemporal move. */ 1973 1974 static inline bool 1975 gimple_assign_nontemporal_move_p (const_gimple gs) 1976 { 1977 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1978 return gs->gsbase.nontemporal_move; 1979 } 1980 1981 /* Sets nontemporal move flag of GS to NONTEMPORAL. */ 1982 1983 static inline void 1984 gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal) 1985 { 1986 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 1987 gs->gsbase.nontemporal_move = nontemporal; 1988 } 1989 1990 1991 /* Return the code of the expression computed on the rhs of assignment 1992 statement GS. In case that the RHS is a single object, returns the 1993 tree code of the object. */ 1994 1995 static inline enum tree_code 1996 gimple_assign_rhs_code (const_gimple gs) 1997 { 1998 enum tree_code code; 1999 GIMPLE_CHECK (gs, GIMPLE_ASSIGN); 2000 2001 code = (enum tree_code) gs->gsbase.subcode; 2002 /* While we initially set subcode to the TREE_CODE of the rhs for 2003 GIMPLE_SINGLE_RHS assigns we do not update that subcode to stay 2004 in sync when we rewrite stmts into SSA form or do SSA propagations. */ 2005 if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS) 2006 code = TREE_CODE (gimple_assign_rhs1 (gs)); 2007 2008 return code; 2009 } 2010 2011 2012 /* Set CODE to be the code for the expression computed on the RHS of 2013 assignment S. */ 2014 2015 static inline void 2016 gimple_assign_set_rhs_code (gimple s, enum tree_code code) 2017 { 2018 GIMPLE_CHECK (s, GIMPLE_ASSIGN); 2019 s->gsbase.subcode = code; 2020 } 2021 2022 2023 /* Return the gimple rhs class of the code of the expression computed on 2024 the rhs of assignment statement GS. 2025 This will never return GIMPLE_INVALID_RHS. */ 2026 2027 static inline enum gimple_rhs_class 2028 gimple_assign_rhs_class (const_gimple gs) 2029 { 2030 return get_gimple_rhs_class (gimple_assign_rhs_code (gs)); 2031 } 2032 2033 /* Return true if GS is an assignment with a singleton RHS, i.e., 2034 there is no operator associated with the assignment itself. 2035 Unlike gimple_assign_copy_p, this predicate returns true for 2036 any RHS operand, including those that perform an operation 2037 and do not have the semantics of a copy, such as COND_EXPR. */ 2038 2039 static inline bool 2040 gimple_assign_single_p (gimple gs) 2041 { 2042 return (is_gimple_assign (gs) 2043 && gimple_assign_rhs_class (gs) == GIMPLE_SINGLE_RHS); 2044 } 2045 2046 2047 /* Return true if S is a type-cast assignment. */ 2048 2049 static inline bool 2050 gimple_assign_cast_p (gimple s) 2051 { 2052 if (is_gimple_assign (s)) 2053 { 2054 enum tree_code sc = gimple_assign_rhs_code (s); 2055 return CONVERT_EXPR_CODE_P (sc) 2056 || sc == VIEW_CONVERT_EXPR 2057 || sc == FIX_TRUNC_EXPR; 2058 } 2059 2060 return false; 2061 } 2062 2063 /* Return true if S is a clobber statement. */ 2064 2065 static inline bool 2066 gimple_clobber_p (gimple s) 2067 { 2068 return gimple_assign_single_p (s) 2069 && TREE_CLOBBER_P (gimple_assign_rhs1 (s)); 2070 } 2071 2072 /* Return true if GS is a GIMPLE_CALL. */ 2073 2074 static inline bool 2075 is_gimple_call (const_gimple gs) 2076 { 2077 return gimple_code (gs) == GIMPLE_CALL; 2078 } 2079 2080 /* Return the LHS of call statement GS. */ 2081 2082 static inline tree 2083 gimple_call_lhs (const_gimple gs) 2084 { 2085 GIMPLE_CHECK (gs, GIMPLE_CALL); 2086 return gimple_op (gs, 0); 2087 } 2088 2089 2090 /* Return a pointer to the LHS of call statement GS. */ 2091 2092 static inline tree * 2093 gimple_call_lhs_ptr (const_gimple gs) 2094 { 2095 GIMPLE_CHECK (gs, GIMPLE_CALL); 2096 return gimple_op_ptr (gs, 0); 2097 } 2098 2099 2100 /* Set LHS to be the LHS operand of call statement GS. */ 2101 2102 static inline void 2103 gimple_call_set_lhs (gimple gs, tree lhs) 2104 { 2105 GIMPLE_CHECK (gs, GIMPLE_CALL); 2106 gimple_set_op (gs, 0, lhs); 2107 if (lhs && TREE_CODE (lhs) == SSA_NAME) 2108 SSA_NAME_DEF_STMT (lhs) = gs; 2109 } 2110 2111 2112 /* Return true if call GS calls an internal-only function, as enumerated 2113 by internal_fn. */ 2114 2115 static inline bool 2116 gimple_call_internal_p (const_gimple gs) 2117 { 2118 GIMPLE_CHECK (gs, GIMPLE_CALL); 2119 return (gs->gsbase.subcode & GF_CALL_INTERNAL) != 0; 2120 } 2121 2122 2123 /* Return the target of internal call GS. */ 2124 2125 static inline enum internal_fn 2126 gimple_call_internal_fn (const_gimple gs) 2127 { 2128 gcc_gimple_checking_assert (gimple_call_internal_p (gs)); 2129 return gs->gimple_call.u.internal_fn; 2130 } 2131 2132 2133 /* Return the function type of the function called by GS. */ 2134 2135 static inline tree 2136 gimple_call_fntype (const_gimple gs) 2137 { 2138 GIMPLE_CHECK (gs, GIMPLE_CALL); 2139 if (gimple_call_internal_p (gs)) 2140 return NULL_TREE; 2141 return gs->gimple_call.u.fntype; 2142 } 2143 2144 /* Set the type of the function called by GS to FNTYPE. */ 2145 2146 static inline void 2147 gimple_call_set_fntype (gimple gs, tree fntype) 2148 { 2149 GIMPLE_CHECK (gs, GIMPLE_CALL); 2150 gcc_gimple_checking_assert (!gimple_call_internal_p (gs)); 2151 gs->gimple_call.u.fntype = fntype; 2152 } 2153 2154 2155 /* Return the tree node representing the function called by call 2156 statement GS. */ 2157 2158 static inline tree 2159 gimple_call_fn (const_gimple gs) 2160 { 2161 GIMPLE_CHECK (gs, GIMPLE_CALL); 2162 return gimple_op (gs, 1); 2163 } 2164 2165 /* Return a pointer to the tree node representing the function called by call 2166 statement GS. */ 2167 2168 static inline tree * 2169 gimple_call_fn_ptr (const_gimple gs) 2170 { 2171 GIMPLE_CHECK (gs, GIMPLE_CALL); 2172 return gimple_op_ptr (gs, 1); 2173 } 2174 2175 2176 /* Set FN to be the function called by call statement GS. */ 2177 2178 static inline void 2179 gimple_call_set_fn (gimple gs, tree fn) 2180 { 2181 GIMPLE_CHECK (gs, GIMPLE_CALL); 2182 gcc_gimple_checking_assert (!gimple_call_internal_p (gs)); 2183 gimple_set_op (gs, 1, fn); 2184 } 2185 2186 2187 /* Set FNDECL to be the function called by call statement GS. */ 2188 2189 static inline void 2190 gimple_call_set_fndecl (gimple gs, tree decl) 2191 { 2192 GIMPLE_CHECK (gs, GIMPLE_CALL); 2193 gcc_gimple_checking_assert (!gimple_call_internal_p (gs)); 2194 gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl)); 2195 } 2196 2197 2198 /* Set internal function FN to be the function called by call statement GS. */ 2199 2200 static inline void 2201 gimple_call_set_internal_fn (gimple gs, enum internal_fn fn) 2202 { 2203 GIMPLE_CHECK (gs, GIMPLE_CALL); 2204 gcc_gimple_checking_assert (gimple_call_internal_p (gs)); 2205 gs->gimple_call.u.internal_fn = fn; 2206 } 2207 2208 2209 /* Given a valid GIMPLE_CALL function address return the FUNCTION_DECL 2210 associated with the callee if known. Otherwise return NULL_TREE. */ 2211 2212 static inline tree 2213 gimple_call_addr_fndecl (const_tree fn) 2214 { 2215 if (fn && TREE_CODE (fn) == ADDR_EXPR) 2216 { 2217 tree fndecl = TREE_OPERAND (fn, 0); 2218 if (TREE_CODE (fndecl) == MEM_REF 2219 && TREE_CODE (TREE_OPERAND (fndecl, 0)) == ADDR_EXPR 2220 && integer_zerop (TREE_OPERAND (fndecl, 1))) 2221 fndecl = TREE_OPERAND (TREE_OPERAND (fndecl, 0), 0); 2222 if (TREE_CODE (fndecl) == FUNCTION_DECL) 2223 return fndecl; 2224 } 2225 return NULL_TREE; 2226 } 2227 2228 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it. 2229 Otherwise return NULL. This function is analogous to 2230 get_callee_fndecl in tree land. */ 2231 2232 static inline tree 2233 gimple_call_fndecl (const_gimple gs) 2234 { 2235 return gimple_call_addr_fndecl (gimple_call_fn (gs)); 2236 } 2237 2238 2239 /* Return the type returned by call statement GS. */ 2240 2241 static inline tree 2242 gimple_call_return_type (const_gimple gs) 2243 { 2244 tree type = gimple_call_fntype (gs); 2245 2246 if (type == NULL_TREE) 2247 return TREE_TYPE (gimple_call_lhs (gs)); 2248 2249 /* The type returned by a function is the type of its 2250 function type. */ 2251 return TREE_TYPE (type); 2252 } 2253 2254 2255 /* Return the static chain for call statement GS. */ 2256 2257 static inline tree 2258 gimple_call_chain (const_gimple gs) 2259 { 2260 GIMPLE_CHECK (gs, GIMPLE_CALL); 2261 return gimple_op (gs, 2); 2262 } 2263 2264 2265 /* Return a pointer to the static chain for call statement GS. */ 2266 2267 static inline tree * 2268 gimple_call_chain_ptr (const_gimple gs) 2269 { 2270 GIMPLE_CHECK (gs, GIMPLE_CALL); 2271 return gimple_op_ptr (gs, 2); 2272 } 2273 2274 /* Set CHAIN to be the static chain for call statement GS. */ 2275 2276 static inline void 2277 gimple_call_set_chain (gimple gs, tree chain) 2278 { 2279 GIMPLE_CHECK (gs, GIMPLE_CALL); 2280 2281 gimple_set_op (gs, 2, chain); 2282 } 2283 2284 2285 /* Return the number of arguments used by call statement GS. */ 2286 2287 static inline unsigned 2288 gimple_call_num_args (const_gimple gs) 2289 { 2290 unsigned num_ops; 2291 GIMPLE_CHECK (gs, GIMPLE_CALL); 2292 num_ops = gimple_num_ops (gs); 2293 return num_ops - 3; 2294 } 2295 2296 2297 /* Return the argument at position INDEX for call statement GS. */ 2298 2299 static inline tree 2300 gimple_call_arg (const_gimple gs, unsigned index) 2301 { 2302 GIMPLE_CHECK (gs, GIMPLE_CALL); 2303 return gimple_op (gs, index + 3); 2304 } 2305 2306 2307 /* Return a pointer to the argument at position INDEX for call 2308 statement GS. */ 2309 2310 static inline tree * 2311 gimple_call_arg_ptr (const_gimple gs, unsigned index) 2312 { 2313 GIMPLE_CHECK (gs, GIMPLE_CALL); 2314 return gimple_op_ptr (gs, index + 3); 2315 } 2316 2317 2318 /* Set ARG to be the argument at position INDEX for call statement GS. */ 2319 2320 static inline void 2321 gimple_call_set_arg (gimple gs, unsigned index, tree arg) 2322 { 2323 GIMPLE_CHECK (gs, GIMPLE_CALL); 2324 gimple_set_op (gs, index + 3, arg); 2325 } 2326 2327 2328 /* If TAIL_P is true, mark call statement S as being a tail call 2329 (i.e., a call just before the exit of a function). These calls are 2330 candidate for tail call optimization. */ 2331 2332 static inline void 2333 gimple_call_set_tail (gimple s, bool tail_p) 2334 { 2335 GIMPLE_CHECK (s, GIMPLE_CALL); 2336 if (tail_p) 2337 s->gsbase.subcode |= GF_CALL_TAILCALL; 2338 else 2339 s->gsbase.subcode &= ~GF_CALL_TAILCALL; 2340 } 2341 2342 2343 /* Return true if GIMPLE_CALL S is marked as a tail call. */ 2344 2345 static inline bool 2346 gimple_call_tail_p (gimple s) 2347 { 2348 GIMPLE_CHECK (s, GIMPLE_CALL); 2349 return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0; 2350 } 2351 2352 2353 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return 2354 slot optimization. This transformation uses the target of the call 2355 expansion as the return slot for calls that return in memory. */ 2356 2357 static inline void 2358 gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p) 2359 { 2360 GIMPLE_CHECK (s, GIMPLE_CALL); 2361 if (return_slot_opt_p) 2362 s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT; 2363 else 2364 s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT; 2365 } 2366 2367 2368 /* Return true if S is marked for return slot optimization. */ 2369 2370 static inline bool 2371 gimple_call_return_slot_opt_p (gimple s) 2372 { 2373 GIMPLE_CHECK (s, GIMPLE_CALL); 2374 return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0; 2375 } 2376 2377 2378 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a 2379 thunk to the thunked-to function. */ 2380 2381 static inline void 2382 gimple_call_set_from_thunk (gimple s, bool from_thunk_p) 2383 { 2384 GIMPLE_CHECK (s, GIMPLE_CALL); 2385 if (from_thunk_p) 2386 s->gsbase.subcode |= GF_CALL_FROM_THUNK; 2387 else 2388 s->gsbase.subcode &= ~GF_CALL_FROM_THUNK; 2389 } 2390 2391 2392 /* Return true if GIMPLE_CALL S is a jump from a thunk. */ 2393 2394 static inline bool 2395 gimple_call_from_thunk_p (gimple s) 2396 { 2397 GIMPLE_CHECK (s, GIMPLE_CALL); 2398 return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0; 2399 } 2400 2401 2402 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the 2403 argument pack in its argument list. */ 2404 2405 static inline void 2406 gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p) 2407 { 2408 GIMPLE_CHECK (s, GIMPLE_CALL); 2409 if (pass_arg_pack_p) 2410 s->gsbase.subcode |= GF_CALL_VA_ARG_PACK; 2411 else 2412 s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK; 2413 } 2414 2415 2416 /* Return true if GIMPLE_CALL S is a stdarg call that needs the 2417 argument pack in its argument list. */ 2418 2419 static inline bool 2420 gimple_call_va_arg_pack_p (gimple s) 2421 { 2422 GIMPLE_CHECK (s, GIMPLE_CALL); 2423 return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0; 2424 } 2425 2426 2427 /* Return true if S is a noreturn call. */ 2428 2429 static inline bool 2430 gimple_call_noreturn_p (gimple s) 2431 { 2432 GIMPLE_CHECK (s, GIMPLE_CALL); 2433 return (gimple_call_flags (s) & ECF_NORETURN) != 0; 2434 } 2435 2436 2437 /* If NOTHROW_P is true, GIMPLE_CALL S is a call that is known to not throw 2438 even if the called function can throw in other cases. */ 2439 2440 static inline void 2441 gimple_call_set_nothrow (gimple s, bool nothrow_p) 2442 { 2443 GIMPLE_CHECK (s, GIMPLE_CALL); 2444 if (nothrow_p) 2445 s->gsbase.subcode |= GF_CALL_NOTHROW; 2446 else 2447 s->gsbase.subcode &= ~GF_CALL_NOTHROW; 2448 } 2449 2450 /* Return true if S is a nothrow call. */ 2451 2452 static inline bool 2453 gimple_call_nothrow_p (gimple s) 2454 { 2455 GIMPLE_CHECK (s, GIMPLE_CALL); 2456 return (gimple_call_flags (s) & ECF_NOTHROW) != 0; 2457 } 2458 2459 /* If FOR_VAR is true, GIMPLE_CALL S is a call to builtin_alloca that 2460 is known to be emitted for VLA objects. Those are wrapped by 2461 stack_save/stack_restore calls and hence can't lead to unbounded 2462 stack growth even when they occur in loops. */ 2463 2464 static inline void 2465 gimple_call_set_alloca_for_var (gimple s, bool for_var) 2466 { 2467 GIMPLE_CHECK (s, GIMPLE_CALL); 2468 if (for_var) 2469 s->gsbase.subcode |= GF_CALL_ALLOCA_FOR_VAR; 2470 else 2471 s->gsbase.subcode &= ~GF_CALL_ALLOCA_FOR_VAR; 2472 } 2473 2474 /* Return true of S is a call to builtin_alloca emitted for VLA objects. */ 2475 2476 static inline bool 2477 gimple_call_alloca_for_var_p (gimple s) 2478 { 2479 GIMPLE_CHECK (s, GIMPLE_CALL); 2480 return (s->gsbase.subcode & GF_CALL_ALLOCA_FOR_VAR) != 0; 2481 } 2482 2483 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */ 2484 2485 static inline void 2486 gimple_call_copy_flags (gimple dest_call, gimple orig_call) 2487 { 2488 GIMPLE_CHECK (dest_call, GIMPLE_CALL); 2489 GIMPLE_CHECK (orig_call, GIMPLE_CALL); 2490 dest_call->gsbase.subcode = orig_call->gsbase.subcode; 2491 } 2492 2493 2494 /* Return a pointer to the points-to solution for the set of call-used 2495 variables of the call CALL. */ 2496 2497 static inline struct pt_solution * 2498 gimple_call_use_set (gimple call) 2499 { 2500 GIMPLE_CHECK (call, GIMPLE_CALL); 2501 return &call->gimple_call.call_used; 2502 } 2503 2504 2505 /* Return a pointer to the points-to solution for the set of call-used 2506 variables of the call CALL. */ 2507 2508 static inline struct pt_solution * 2509 gimple_call_clobber_set (gimple call) 2510 { 2511 GIMPLE_CHECK (call, GIMPLE_CALL); 2512 return &call->gimple_call.call_clobbered; 2513 } 2514 2515 2516 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a 2517 non-NULL lhs. */ 2518 2519 static inline bool 2520 gimple_has_lhs (gimple stmt) 2521 { 2522 return (is_gimple_assign (stmt) 2523 || (is_gimple_call (stmt) 2524 && gimple_call_lhs (stmt) != NULL_TREE)); 2525 } 2526 2527 2528 /* Return the code of the predicate computed by conditional statement GS. */ 2529 2530 static inline enum tree_code 2531 gimple_cond_code (const_gimple gs) 2532 { 2533 GIMPLE_CHECK (gs, GIMPLE_COND); 2534 return (enum tree_code) gs->gsbase.subcode; 2535 } 2536 2537 2538 /* Set CODE to be the predicate code for the conditional statement GS. */ 2539 2540 static inline void 2541 gimple_cond_set_code (gimple gs, enum tree_code code) 2542 { 2543 GIMPLE_CHECK (gs, GIMPLE_COND); 2544 gs->gsbase.subcode = code; 2545 } 2546 2547 2548 /* Return the LHS of the predicate computed by conditional statement GS. */ 2549 2550 static inline tree 2551 gimple_cond_lhs (const_gimple gs) 2552 { 2553 GIMPLE_CHECK (gs, GIMPLE_COND); 2554 return gimple_op (gs, 0); 2555 } 2556 2557 /* Return the pointer to the LHS of the predicate computed by conditional 2558 statement GS. */ 2559 2560 static inline tree * 2561 gimple_cond_lhs_ptr (const_gimple gs) 2562 { 2563 GIMPLE_CHECK (gs, GIMPLE_COND); 2564 return gimple_op_ptr (gs, 0); 2565 } 2566 2567 /* Set LHS to be the LHS operand of the predicate computed by 2568 conditional statement GS. */ 2569 2570 static inline void 2571 gimple_cond_set_lhs (gimple gs, tree lhs) 2572 { 2573 GIMPLE_CHECK (gs, GIMPLE_COND); 2574 gimple_set_op (gs, 0, lhs); 2575 } 2576 2577 2578 /* Return the RHS operand of the predicate computed by conditional GS. */ 2579 2580 static inline tree 2581 gimple_cond_rhs (const_gimple gs) 2582 { 2583 GIMPLE_CHECK (gs, GIMPLE_COND); 2584 return gimple_op (gs, 1); 2585 } 2586 2587 /* Return the pointer to the RHS operand of the predicate computed by 2588 conditional GS. */ 2589 2590 static inline tree * 2591 gimple_cond_rhs_ptr (const_gimple gs) 2592 { 2593 GIMPLE_CHECK (gs, GIMPLE_COND); 2594 return gimple_op_ptr (gs, 1); 2595 } 2596 2597 2598 /* Set RHS to be the RHS operand of the predicate computed by 2599 conditional statement GS. */ 2600 2601 static inline void 2602 gimple_cond_set_rhs (gimple gs, tree rhs) 2603 { 2604 GIMPLE_CHECK (gs, GIMPLE_COND); 2605 gimple_set_op (gs, 1, rhs); 2606 } 2607 2608 2609 /* Return the label used by conditional statement GS when its 2610 predicate evaluates to true. */ 2611 2612 static inline tree 2613 gimple_cond_true_label (const_gimple gs) 2614 { 2615 GIMPLE_CHECK (gs, GIMPLE_COND); 2616 return gimple_op (gs, 2); 2617 } 2618 2619 2620 /* Set LABEL to be the label used by conditional statement GS when its 2621 predicate evaluates to true. */ 2622 2623 static inline void 2624 gimple_cond_set_true_label (gimple gs, tree label) 2625 { 2626 GIMPLE_CHECK (gs, GIMPLE_COND); 2627 gimple_set_op (gs, 2, label); 2628 } 2629 2630 2631 /* Set LABEL to be the label used by conditional statement GS when its 2632 predicate evaluates to false. */ 2633 2634 static inline void 2635 gimple_cond_set_false_label (gimple gs, tree label) 2636 { 2637 GIMPLE_CHECK (gs, GIMPLE_COND); 2638 gimple_set_op (gs, 3, label); 2639 } 2640 2641 2642 /* Return the label used by conditional statement GS when its 2643 predicate evaluates to false. */ 2644 2645 static inline tree 2646 gimple_cond_false_label (const_gimple gs) 2647 { 2648 GIMPLE_CHECK (gs, GIMPLE_COND); 2649 return gimple_op (gs, 3); 2650 } 2651 2652 2653 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */ 2654 2655 static inline void 2656 gimple_cond_make_false (gimple gs) 2657 { 2658 gimple_cond_set_lhs (gs, boolean_true_node); 2659 gimple_cond_set_rhs (gs, boolean_false_node); 2660 gs->gsbase.subcode = EQ_EXPR; 2661 } 2662 2663 2664 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */ 2665 2666 static inline void 2667 gimple_cond_make_true (gimple gs) 2668 { 2669 gimple_cond_set_lhs (gs, boolean_true_node); 2670 gimple_cond_set_rhs (gs, boolean_true_node); 2671 gs->gsbase.subcode = EQ_EXPR; 2672 } 2673 2674 /* Check if conditional statemente GS is of the form 'if (1 == 1)', 2675 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */ 2676 2677 static inline bool 2678 gimple_cond_true_p (const_gimple gs) 2679 { 2680 tree lhs = gimple_cond_lhs (gs); 2681 tree rhs = gimple_cond_rhs (gs); 2682 enum tree_code code = gimple_cond_code (gs); 2683 2684 if (lhs != boolean_true_node && lhs != boolean_false_node) 2685 return false; 2686 2687 if (rhs != boolean_true_node && rhs != boolean_false_node) 2688 return false; 2689 2690 if (code == NE_EXPR && lhs != rhs) 2691 return true; 2692 2693 if (code == EQ_EXPR && lhs == rhs) 2694 return true; 2695 2696 return false; 2697 } 2698 2699 /* Check if conditional statement GS is of the form 'if (1 != 1)', 2700 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */ 2701 2702 static inline bool 2703 gimple_cond_false_p (const_gimple gs) 2704 { 2705 tree lhs = gimple_cond_lhs (gs); 2706 tree rhs = gimple_cond_rhs (gs); 2707 enum tree_code code = gimple_cond_code (gs); 2708 2709 if (lhs != boolean_true_node && lhs != boolean_false_node) 2710 return false; 2711 2712 if (rhs != boolean_true_node && rhs != boolean_false_node) 2713 return false; 2714 2715 if (code == NE_EXPR && lhs == rhs) 2716 return true; 2717 2718 if (code == EQ_EXPR && lhs != rhs) 2719 return true; 2720 2721 return false; 2722 } 2723 2724 /* Check if conditional statement GS is of the form 'if (var != 0)' or 2725 'if (var == 1)' */ 2726 2727 static inline bool 2728 gimple_cond_single_var_p (gimple gs) 2729 { 2730 if (gimple_cond_code (gs) == NE_EXPR 2731 && gimple_cond_rhs (gs) == boolean_false_node) 2732 return true; 2733 2734 if (gimple_cond_code (gs) == EQ_EXPR 2735 && gimple_cond_rhs (gs) == boolean_true_node) 2736 return true; 2737 2738 return false; 2739 } 2740 2741 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */ 2742 2743 static inline void 2744 gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs) 2745 { 2746 gimple_cond_set_code (stmt, code); 2747 gimple_cond_set_lhs (stmt, lhs); 2748 gimple_cond_set_rhs (stmt, rhs); 2749 } 2750 2751 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */ 2752 2753 static inline tree 2754 gimple_label_label (const_gimple gs) 2755 { 2756 GIMPLE_CHECK (gs, GIMPLE_LABEL); 2757 return gimple_op (gs, 0); 2758 } 2759 2760 2761 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement 2762 GS. */ 2763 2764 static inline void 2765 gimple_label_set_label (gimple gs, tree label) 2766 { 2767 GIMPLE_CHECK (gs, GIMPLE_LABEL); 2768 gimple_set_op (gs, 0, label); 2769 } 2770 2771 2772 /* Return the destination of the unconditional jump GS. */ 2773 2774 static inline tree 2775 gimple_goto_dest (const_gimple gs) 2776 { 2777 GIMPLE_CHECK (gs, GIMPLE_GOTO); 2778 return gimple_op (gs, 0); 2779 } 2780 2781 2782 /* Set DEST to be the destination of the unconditonal jump GS. */ 2783 2784 static inline void 2785 gimple_goto_set_dest (gimple gs, tree dest) 2786 { 2787 GIMPLE_CHECK (gs, GIMPLE_GOTO); 2788 gimple_set_op (gs, 0, dest); 2789 } 2790 2791 2792 /* Return the variables declared in the GIMPLE_BIND statement GS. */ 2793 2794 static inline tree 2795 gimple_bind_vars (const_gimple gs) 2796 { 2797 GIMPLE_CHECK (gs, GIMPLE_BIND); 2798 return gs->gimple_bind.vars; 2799 } 2800 2801 2802 /* Set VARS to be the set of variables declared in the GIMPLE_BIND 2803 statement GS. */ 2804 2805 static inline void 2806 gimple_bind_set_vars (gimple gs, tree vars) 2807 { 2808 GIMPLE_CHECK (gs, GIMPLE_BIND); 2809 gs->gimple_bind.vars = vars; 2810 } 2811 2812 2813 /* Append VARS to the set of variables declared in the GIMPLE_BIND 2814 statement GS. */ 2815 2816 static inline void 2817 gimple_bind_append_vars (gimple gs, tree vars) 2818 { 2819 GIMPLE_CHECK (gs, GIMPLE_BIND); 2820 gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars); 2821 } 2822 2823 2824 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */ 2825 2826 static inline gimple_seq 2827 gimple_bind_body (gimple gs) 2828 { 2829 GIMPLE_CHECK (gs, GIMPLE_BIND); 2830 return gs->gimple_bind.body; 2831 } 2832 2833 2834 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND 2835 statement GS. */ 2836 2837 static inline void 2838 gimple_bind_set_body (gimple gs, gimple_seq seq) 2839 { 2840 GIMPLE_CHECK (gs, GIMPLE_BIND); 2841 gs->gimple_bind.body = seq; 2842 } 2843 2844 2845 /* Append a statement to the end of a GIMPLE_BIND's body. */ 2846 2847 static inline void 2848 gimple_bind_add_stmt (gimple gs, gimple stmt) 2849 { 2850 GIMPLE_CHECK (gs, GIMPLE_BIND); 2851 gimple_seq_add_stmt (&gs->gimple_bind.body, stmt); 2852 } 2853 2854 2855 /* Append a sequence of statements to the end of a GIMPLE_BIND's body. */ 2856 2857 static inline void 2858 gimple_bind_add_seq (gimple gs, gimple_seq seq) 2859 { 2860 GIMPLE_CHECK (gs, GIMPLE_BIND); 2861 gimple_seq_add_seq (&gs->gimple_bind.body, seq); 2862 } 2863 2864 2865 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement 2866 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */ 2867 2868 static inline tree 2869 gimple_bind_block (const_gimple gs) 2870 { 2871 GIMPLE_CHECK (gs, GIMPLE_BIND); 2872 return gs->gimple_bind.block; 2873 } 2874 2875 2876 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND 2877 statement GS. */ 2878 2879 static inline void 2880 gimple_bind_set_block (gimple gs, tree block) 2881 { 2882 GIMPLE_CHECK (gs, GIMPLE_BIND); 2883 gcc_gimple_checking_assert (block == NULL_TREE 2884 || TREE_CODE (block) == BLOCK); 2885 gs->gimple_bind.block = block; 2886 } 2887 2888 2889 /* Return the number of input operands for GIMPLE_ASM GS. */ 2890 2891 static inline unsigned 2892 gimple_asm_ninputs (const_gimple gs) 2893 { 2894 GIMPLE_CHECK (gs, GIMPLE_ASM); 2895 return gs->gimple_asm.ni; 2896 } 2897 2898 2899 /* Return the number of output operands for GIMPLE_ASM GS. */ 2900 2901 static inline unsigned 2902 gimple_asm_noutputs (const_gimple gs) 2903 { 2904 GIMPLE_CHECK (gs, GIMPLE_ASM); 2905 return gs->gimple_asm.no; 2906 } 2907 2908 2909 /* Return the number of clobber operands for GIMPLE_ASM GS. */ 2910 2911 static inline unsigned 2912 gimple_asm_nclobbers (const_gimple gs) 2913 { 2914 GIMPLE_CHECK (gs, GIMPLE_ASM); 2915 return gs->gimple_asm.nc; 2916 } 2917 2918 /* Return the number of label operands for GIMPLE_ASM GS. */ 2919 2920 static inline unsigned 2921 gimple_asm_nlabels (const_gimple gs) 2922 { 2923 GIMPLE_CHECK (gs, GIMPLE_ASM); 2924 return gs->gimple_asm.nl; 2925 } 2926 2927 /* Return input operand INDEX of GIMPLE_ASM GS. */ 2928 2929 static inline tree 2930 gimple_asm_input_op (const_gimple gs, unsigned index) 2931 { 2932 GIMPLE_CHECK (gs, GIMPLE_ASM); 2933 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni); 2934 return gimple_op (gs, index); 2935 } 2936 2937 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */ 2938 2939 static inline tree * 2940 gimple_asm_input_op_ptr (const_gimple gs, unsigned index) 2941 { 2942 GIMPLE_CHECK (gs, GIMPLE_ASM); 2943 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni); 2944 return gimple_op_ptr (gs, index); 2945 } 2946 2947 2948 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */ 2949 2950 static inline void 2951 gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op) 2952 { 2953 GIMPLE_CHECK (gs, GIMPLE_ASM); 2954 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni 2955 && TREE_CODE (in_op) == TREE_LIST); 2956 gimple_set_op (gs, index, in_op); 2957 } 2958 2959 2960 /* Return output operand INDEX of GIMPLE_ASM GS. */ 2961 2962 static inline tree 2963 gimple_asm_output_op (const_gimple gs, unsigned index) 2964 { 2965 GIMPLE_CHECK (gs, GIMPLE_ASM); 2966 gcc_gimple_checking_assert (index <= gs->gimple_asm.no); 2967 return gimple_op (gs, index + gs->gimple_asm.ni); 2968 } 2969 2970 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */ 2971 2972 static inline tree * 2973 gimple_asm_output_op_ptr (const_gimple gs, unsigned index) 2974 { 2975 GIMPLE_CHECK (gs, GIMPLE_ASM); 2976 gcc_gimple_checking_assert (index <= gs->gimple_asm.no); 2977 return gimple_op_ptr (gs, index + gs->gimple_asm.ni); 2978 } 2979 2980 2981 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */ 2982 2983 static inline void 2984 gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op) 2985 { 2986 GIMPLE_CHECK (gs, GIMPLE_ASM); 2987 gcc_gimple_checking_assert (index <= gs->gimple_asm.no 2988 && TREE_CODE (out_op) == TREE_LIST); 2989 gimple_set_op (gs, index + gs->gimple_asm.ni, out_op); 2990 } 2991 2992 2993 /* Return clobber operand INDEX of GIMPLE_ASM GS. */ 2994 2995 static inline tree 2996 gimple_asm_clobber_op (const_gimple gs, unsigned index) 2997 { 2998 GIMPLE_CHECK (gs, GIMPLE_ASM); 2999 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc); 3000 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no); 3001 } 3002 3003 3004 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */ 3005 3006 static inline void 3007 gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op) 3008 { 3009 GIMPLE_CHECK (gs, GIMPLE_ASM); 3010 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc 3011 && TREE_CODE (clobber_op) == TREE_LIST); 3012 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op); 3013 } 3014 3015 /* Return label operand INDEX of GIMPLE_ASM GS. */ 3016 3017 static inline tree 3018 gimple_asm_label_op (const_gimple gs, unsigned index) 3019 { 3020 GIMPLE_CHECK (gs, GIMPLE_ASM); 3021 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl); 3022 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc); 3023 } 3024 3025 /* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS. */ 3026 3027 static inline void 3028 gimple_asm_set_label_op (gimple gs, unsigned index, tree label_op) 3029 { 3030 GIMPLE_CHECK (gs, GIMPLE_ASM); 3031 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl 3032 && TREE_CODE (label_op) == TREE_LIST); 3033 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc, label_op); 3034 } 3035 3036 /* Return the string representing the assembly instruction in 3037 GIMPLE_ASM GS. */ 3038 3039 static inline const char * 3040 gimple_asm_string (const_gimple gs) 3041 { 3042 GIMPLE_CHECK (gs, GIMPLE_ASM); 3043 return gs->gimple_asm.string; 3044 } 3045 3046 3047 /* Return true if GS is an asm statement marked volatile. */ 3048 3049 static inline bool 3050 gimple_asm_volatile_p (const_gimple gs) 3051 { 3052 GIMPLE_CHECK (gs, GIMPLE_ASM); 3053 return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0; 3054 } 3055 3056 3057 /* If VOLATLE_P is true, mark asm statement GS as volatile. */ 3058 3059 static inline void 3060 gimple_asm_set_volatile (gimple gs, bool volatile_p) 3061 { 3062 GIMPLE_CHECK (gs, GIMPLE_ASM); 3063 if (volatile_p) 3064 gs->gsbase.subcode |= GF_ASM_VOLATILE; 3065 else 3066 gs->gsbase.subcode &= ~GF_ASM_VOLATILE; 3067 } 3068 3069 3070 /* If INPUT_P is true, mark asm GS as an ASM_INPUT. */ 3071 3072 static inline void 3073 gimple_asm_set_input (gimple gs, bool input_p) 3074 { 3075 GIMPLE_CHECK (gs, GIMPLE_ASM); 3076 if (input_p) 3077 gs->gsbase.subcode |= GF_ASM_INPUT; 3078 else 3079 gs->gsbase.subcode &= ~GF_ASM_INPUT; 3080 } 3081 3082 3083 /* Return true if asm GS is an ASM_INPUT. */ 3084 3085 static inline bool 3086 gimple_asm_input_p (const_gimple gs) 3087 { 3088 GIMPLE_CHECK (gs, GIMPLE_ASM); 3089 return (gs->gsbase.subcode & GF_ASM_INPUT) != 0; 3090 } 3091 3092 3093 /* Return the types handled by GIMPLE_CATCH statement GS. */ 3094 3095 static inline tree 3096 gimple_catch_types (const_gimple gs) 3097 { 3098 GIMPLE_CHECK (gs, GIMPLE_CATCH); 3099 return gs->gimple_catch.types; 3100 } 3101 3102 3103 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */ 3104 3105 static inline tree * 3106 gimple_catch_types_ptr (gimple gs) 3107 { 3108 GIMPLE_CHECK (gs, GIMPLE_CATCH); 3109 return &gs->gimple_catch.types; 3110 } 3111 3112 3113 /* Return the GIMPLE sequence representing the body of the handler of 3114 GIMPLE_CATCH statement GS. */ 3115 3116 static inline gimple_seq 3117 gimple_catch_handler (gimple gs) 3118 { 3119 GIMPLE_CHECK (gs, GIMPLE_CATCH); 3120 return gs->gimple_catch.handler; 3121 } 3122 3123 3124 /* Return a pointer to the GIMPLE sequence representing the body of 3125 the handler of GIMPLE_CATCH statement GS. */ 3126 3127 static inline gimple_seq * 3128 gimple_catch_handler_ptr (gimple gs) 3129 { 3130 GIMPLE_CHECK (gs, GIMPLE_CATCH); 3131 return &gs->gimple_catch.handler; 3132 } 3133 3134 3135 /* Set T to be the set of types handled by GIMPLE_CATCH GS. */ 3136 3137 static inline void 3138 gimple_catch_set_types (gimple gs, tree t) 3139 { 3140 GIMPLE_CHECK (gs, GIMPLE_CATCH); 3141 gs->gimple_catch.types = t; 3142 } 3143 3144 3145 /* Set HANDLER to be the body of GIMPLE_CATCH GS. */ 3146 3147 static inline void 3148 gimple_catch_set_handler (gimple gs, gimple_seq handler) 3149 { 3150 GIMPLE_CHECK (gs, GIMPLE_CATCH); 3151 gs->gimple_catch.handler = handler; 3152 } 3153 3154 3155 /* Return the types handled by GIMPLE_EH_FILTER statement GS. */ 3156 3157 static inline tree 3158 gimple_eh_filter_types (const_gimple gs) 3159 { 3160 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); 3161 return gs->gimple_eh_filter.types; 3162 } 3163 3164 3165 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement 3166 GS. */ 3167 3168 static inline tree * 3169 gimple_eh_filter_types_ptr (gimple gs) 3170 { 3171 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); 3172 return &gs->gimple_eh_filter.types; 3173 } 3174 3175 3176 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER 3177 statement fails. */ 3178 3179 static inline gimple_seq 3180 gimple_eh_filter_failure (gimple gs) 3181 { 3182 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); 3183 return gs->gimple_eh_filter.failure; 3184 } 3185 3186 3187 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */ 3188 3189 static inline void 3190 gimple_eh_filter_set_types (gimple gs, tree types) 3191 { 3192 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); 3193 gs->gimple_eh_filter.types = types; 3194 } 3195 3196 3197 /* Set FAILURE to be the sequence of statements to execute on failure 3198 for GIMPLE_EH_FILTER GS. */ 3199 3200 static inline void 3201 gimple_eh_filter_set_failure (gimple gs, gimple_seq failure) 3202 { 3203 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); 3204 gs->gimple_eh_filter.failure = failure; 3205 } 3206 3207 /* Get the function decl to be called by the MUST_NOT_THROW region. */ 3208 3209 static inline tree 3210 gimple_eh_must_not_throw_fndecl (gimple gs) 3211 { 3212 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW); 3213 return gs->gimple_eh_mnt.fndecl; 3214 } 3215 3216 /* Set the function decl to be called by GS to DECL. */ 3217 3218 static inline void 3219 gimple_eh_must_not_throw_set_fndecl (gimple gs, tree decl) 3220 { 3221 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW); 3222 gs->gimple_eh_mnt.fndecl = decl; 3223 } 3224 3225 /* GIMPLE_EH_ELSE accessors. */ 3226 3227 static inline gimple_seq 3228 gimple_eh_else_n_body (gimple gs) 3229 { 3230 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE); 3231 return gs->gimple_eh_else.n_body; 3232 } 3233 3234 static inline gimple_seq 3235 gimple_eh_else_e_body (gimple gs) 3236 { 3237 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE); 3238 return gs->gimple_eh_else.e_body; 3239 } 3240 3241 static inline void 3242 gimple_eh_else_set_n_body (gimple gs, gimple_seq seq) 3243 { 3244 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE); 3245 gs->gimple_eh_else.n_body = seq; 3246 } 3247 3248 static inline void 3249 gimple_eh_else_set_e_body (gimple gs, gimple_seq seq) 3250 { 3251 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE); 3252 gs->gimple_eh_else.e_body = seq; 3253 } 3254 3255 /* GIMPLE_TRY accessors. */ 3256 3257 /* Return the kind of try block represented by GIMPLE_TRY GS. This is 3258 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */ 3259 3260 static inline enum gimple_try_flags 3261 gimple_try_kind (const_gimple gs) 3262 { 3263 GIMPLE_CHECK (gs, GIMPLE_TRY); 3264 return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND); 3265 } 3266 3267 3268 /* Set the kind of try block represented by GIMPLE_TRY GS. */ 3269 3270 static inline void 3271 gimple_try_set_kind (gimple gs, enum gimple_try_flags kind) 3272 { 3273 GIMPLE_CHECK (gs, GIMPLE_TRY); 3274 gcc_gimple_checking_assert (kind == GIMPLE_TRY_CATCH 3275 || kind == GIMPLE_TRY_FINALLY); 3276 if (gimple_try_kind (gs) != kind) 3277 gs->gsbase.subcode = (unsigned int) kind; 3278 } 3279 3280 3281 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */ 3282 3283 static inline bool 3284 gimple_try_catch_is_cleanup (const_gimple gs) 3285 { 3286 gcc_gimple_checking_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH); 3287 return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0; 3288 } 3289 3290 3291 /* Return the sequence of statements used as the body for GIMPLE_TRY GS. */ 3292 3293 static inline gimple_seq 3294 gimple_try_eval (gimple gs) 3295 { 3296 GIMPLE_CHECK (gs, GIMPLE_TRY); 3297 return gs->gimple_try.eval; 3298 } 3299 3300 3301 /* Return the sequence of statements used as the cleanup body for 3302 GIMPLE_TRY GS. */ 3303 3304 static inline gimple_seq 3305 gimple_try_cleanup (gimple gs) 3306 { 3307 GIMPLE_CHECK (gs, GIMPLE_TRY); 3308 return gs->gimple_try.cleanup; 3309 } 3310 3311 3312 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */ 3313 3314 static inline void 3315 gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup) 3316 { 3317 gcc_gimple_checking_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH); 3318 if (catch_is_cleanup) 3319 g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP; 3320 else 3321 g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP; 3322 } 3323 3324 3325 /* Set EVAL to be the sequence of statements to use as the body for 3326 GIMPLE_TRY GS. */ 3327 3328 static inline void 3329 gimple_try_set_eval (gimple gs, gimple_seq eval) 3330 { 3331 GIMPLE_CHECK (gs, GIMPLE_TRY); 3332 gs->gimple_try.eval = eval; 3333 } 3334 3335 3336 /* Set CLEANUP to be the sequence of statements to use as the cleanup 3337 body for GIMPLE_TRY GS. */ 3338 3339 static inline void 3340 gimple_try_set_cleanup (gimple gs, gimple_seq cleanup) 3341 { 3342 GIMPLE_CHECK (gs, GIMPLE_TRY); 3343 gs->gimple_try.cleanup = cleanup; 3344 } 3345 3346 3347 /* Return the cleanup sequence for cleanup statement GS. */ 3348 3349 static inline gimple_seq 3350 gimple_wce_cleanup (gimple gs) 3351 { 3352 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR); 3353 return gs->gimple_wce.cleanup; 3354 } 3355 3356 3357 /* Set CLEANUP to be the cleanup sequence for GS. */ 3358 3359 static inline void 3360 gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup) 3361 { 3362 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR); 3363 gs->gimple_wce.cleanup = cleanup; 3364 } 3365 3366 3367 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */ 3368 3369 static inline bool 3370 gimple_wce_cleanup_eh_only (const_gimple gs) 3371 { 3372 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR); 3373 return gs->gsbase.subcode != 0; 3374 } 3375 3376 3377 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */ 3378 3379 static inline void 3380 gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p) 3381 { 3382 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR); 3383 gs->gsbase.subcode = (unsigned int) eh_only_p; 3384 } 3385 3386 3387 /* Return the maximum number of arguments supported by GIMPLE_PHI GS. */ 3388 3389 static inline unsigned 3390 gimple_phi_capacity (const_gimple gs) 3391 { 3392 GIMPLE_CHECK (gs, GIMPLE_PHI); 3393 return gs->gimple_phi.capacity; 3394 } 3395 3396 3397 /* Return the number of arguments in GIMPLE_PHI GS. This must always 3398 be exactly the number of incoming edges for the basic block holding 3399 GS. */ 3400 3401 static inline unsigned 3402 gimple_phi_num_args (const_gimple gs) 3403 { 3404 GIMPLE_CHECK (gs, GIMPLE_PHI); 3405 return gs->gimple_phi.nargs; 3406 } 3407 3408 3409 /* Return the SSA name created by GIMPLE_PHI GS. */ 3410 3411 static inline tree 3412 gimple_phi_result (const_gimple gs) 3413 { 3414 GIMPLE_CHECK (gs, GIMPLE_PHI); 3415 return gs->gimple_phi.result; 3416 } 3417 3418 /* Return a pointer to the SSA name created by GIMPLE_PHI GS. */ 3419 3420 static inline tree * 3421 gimple_phi_result_ptr (gimple gs) 3422 { 3423 GIMPLE_CHECK (gs, GIMPLE_PHI); 3424 return &gs->gimple_phi.result; 3425 } 3426 3427 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */ 3428 3429 static inline void 3430 gimple_phi_set_result (gimple gs, tree result) 3431 { 3432 GIMPLE_CHECK (gs, GIMPLE_PHI); 3433 gs->gimple_phi.result = result; 3434 } 3435 3436 3437 /* Return the PHI argument corresponding to incoming edge INDEX for 3438 GIMPLE_PHI GS. */ 3439 3440 static inline struct phi_arg_d * 3441 gimple_phi_arg (gimple gs, unsigned index) 3442 { 3443 GIMPLE_CHECK (gs, GIMPLE_PHI); 3444 gcc_gimple_checking_assert (index <= gs->gimple_phi.capacity); 3445 return &(gs->gimple_phi.args[index]); 3446 } 3447 3448 /* Set PHIARG to be the argument corresponding to incoming edge INDEX 3449 for GIMPLE_PHI GS. */ 3450 3451 static inline void 3452 gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg) 3453 { 3454 GIMPLE_CHECK (gs, GIMPLE_PHI); 3455 gcc_gimple_checking_assert (index <= gs->gimple_phi.nargs); 3456 gs->gimple_phi.args[index] = *phiarg; 3457 } 3458 3459 /* Return the region number for GIMPLE_RESX GS. */ 3460 3461 static inline int 3462 gimple_resx_region (const_gimple gs) 3463 { 3464 GIMPLE_CHECK (gs, GIMPLE_RESX); 3465 return gs->gimple_eh_ctrl.region; 3466 } 3467 3468 /* Set REGION to be the region number for GIMPLE_RESX GS. */ 3469 3470 static inline void 3471 gimple_resx_set_region (gimple gs, int region) 3472 { 3473 GIMPLE_CHECK (gs, GIMPLE_RESX); 3474 gs->gimple_eh_ctrl.region = region; 3475 } 3476 3477 /* Return the region number for GIMPLE_EH_DISPATCH GS. */ 3478 3479 static inline int 3480 gimple_eh_dispatch_region (const_gimple gs) 3481 { 3482 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH); 3483 return gs->gimple_eh_ctrl.region; 3484 } 3485 3486 /* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS. */ 3487 3488 static inline void 3489 gimple_eh_dispatch_set_region (gimple gs, int region) 3490 { 3491 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH); 3492 gs->gimple_eh_ctrl.region = region; 3493 } 3494 3495 /* Return the number of labels associated with the switch statement GS. */ 3496 3497 static inline unsigned 3498 gimple_switch_num_labels (const_gimple gs) 3499 { 3500 unsigned num_ops; 3501 GIMPLE_CHECK (gs, GIMPLE_SWITCH); 3502 num_ops = gimple_num_ops (gs); 3503 gcc_gimple_checking_assert (num_ops > 1); 3504 return num_ops - 1; 3505 } 3506 3507 3508 /* Set NLABELS to be the number of labels for the switch statement GS. */ 3509 3510 static inline void 3511 gimple_switch_set_num_labels (gimple g, unsigned nlabels) 3512 { 3513 GIMPLE_CHECK (g, GIMPLE_SWITCH); 3514 gimple_set_num_ops (g, nlabels + 1); 3515 } 3516 3517 3518 /* Return the index variable used by the switch statement GS. */ 3519 3520 static inline tree 3521 gimple_switch_index (const_gimple gs) 3522 { 3523 GIMPLE_CHECK (gs, GIMPLE_SWITCH); 3524 return gimple_op (gs, 0); 3525 } 3526 3527 3528 /* Return a pointer to the index variable for the switch statement GS. */ 3529 3530 static inline tree * 3531 gimple_switch_index_ptr (const_gimple gs) 3532 { 3533 GIMPLE_CHECK (gs, GIMPLE_SWITCH); 3534 return gimple_op_ptr (gs, 0); 3535 } 3536 3537 3538 /* Set INDEX to be the index variable for switch statement GS. */ 3539 3540 static inline void 3541 gimple_switch_set_index (gimple gs, tree index) 3542 { 3543 GIMPLE_CHECK (gs, GIMPLE_SWITCH); 3544 gcc_gimple_checking_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index)); 3545 gimple_set_op (gs, 0, index); 3546 } 3547 3548 3549 /* Return the label numbered INDEX. The default label is 0, followed by any 3550 labels in a switch statement. */ 3551 3552 static inline tree 3553 gimple_switch_label (const_gimple gs, unsigned index) 3554 { 3555 GIMPLE_CHECK (gs, GIMPLE_SWITCH); 3556 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1); 3557 return gimple_op (gs, index + 1); 3558 } 3559 3560 /* Set the label number INDEX to LABEL. 0 is always the default label. */ 3561 3562 static inline void 3563 gimple_switch_set_label (gimple gs, unsigned index, tree label) 3564 { 3565 GIMPLE_CHECK (gs, GIMPLE_SWITCH); 3566 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1 3567 && (label == NULL_TREE 3568 || TREE_CODE (label) == CASE_LABEL_EXPR)); 3569 gimple_set_op (gs, index + 1, label); 3570 } 3571 3572 /* Return the default label for a switch statement. */ 3573 3574 static inline tree 3575 gimple_switch_default_label (const_gimple gs) 3576 { 3577 return gimple_switch_label (gs, 0); 3578 } 3579 3580 /* Set the default label for a switch statement. */ 3581 3582 static inline void 3583 gimple_switch_set_default_label (gimple gs, tree label) 3584 { 3585 gimple_switch_set_label (gs, 0, label); 3586 } 3587 3588 /* Return true if GS is a GIMPLE_DEBUG statement. */ 3589 3590 static inline bool 3591 is_gimple_debug (const_gimple gs) 3592 { 3593 return gimple_code (gs) == GIMPLE_DEBUG; 3594 } 3595 3596 /* Return true if S is a GIMPLE_DEBUG BIND statement. */ 3597 3598 static inline bool 3599 gimple_debug_bind_p (const_gimple s) 3600 { 3601 if (is_gimple_debug (s)) 3602 return s->gsbase.subcode == GIMPLE_DEBUG_BIND; 3603 3604 return false; 3605 } 3606 3607 /* Return the variable bound in a GIMPLE_DEBUG bind statement. */ 3608 3609 static inline tree 3610 gimple_debug_bind_get_var (gimple dbg) 3611 { 3612 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3613 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); 3614 return gimple_op (dbg, 0); 3615 } 3616 3617 /* Return the value bound to the variable in a GIMPLE_DEBUG bind 3618 statement. */ 3619 3620 static inline tree 3621 gimple_debug_bind_get_value (gimple dbg) 3622 { 3623 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3624 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); 3625 return gimple_op (dbg, 1); 3626 } 3627 3628 /* Return a pointer to the value bound to the variable in a 3629 GIMPLE_DEBUG bind statement. */ 3630 3631 static inline tree * 3632 gimple_debug_bind_get_value_ptr (gimple dbg) 3633 { 3634 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3635 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); 3636 return gimple_op_ptr (dbg, 1); 3637 } 3638 3639 /* Set the variable bound in a GIMPLE_DEBUG bind statement. */ 3640 3641 static inline void 3642 gimple_debug_bind_set_var (gimple dbg, tree var) 3643 { 3644 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3645 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); 3646 gimple_set_op (dbg, 0, var); 3647 } 3648 3649 /* Set the value bound to the variable in a GIMPLE_DEBUG bind 3650 statement. */ 3651 3652 static inline void 3653 gimple_debug_bind_set_value (gimple dbg, tree value) 3654 { 3655 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3656 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); 3657 gimple_set_op (dbg, 1, value); 3658 } 3659 3660 /* The second operand of a GIMPLE_DEBUG_BIND, when the value was 3661 optimized away. */ 3662 #define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */ 3663 3664 /* Remove the value bound to the variable in a GIMPLE_DEBUG bind 3665 statement. */ 3666 3667 static inline void 3668 gimple_debug_bind_reset_value (gimple dbg) 3669 { 3670 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3671 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); 3672 gimple_set_op (dbg, 1, GIMPLE_DEBUG_BIND_NOVALUE); 3673 } 3674 3675 /* Return true if the GIMPLE_DEBUG bind statement is bound to a 3676 value. */ 3677 3678 static inline bool 3679 gimple_debug_bind_has_value_p (gimple dbg) 3680 { 3681 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3682 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); 3683 return gimple_op (dbg, 1) != GIMPLE_DEBUG_BIND_NOVALUE; 3684 } 3685 3686 #undef GIMPLE_DEBUG_BIND_NOVALUE 3687 3688 /* Return true if S is a GIMPLE_DEBUG SOURCE BIND statement. */ 3689 3690 static inline bool 3691 gimple_debug_source_bind_p (const_gimple s) 3692 { 3693 if (is_gimple_debug (s)) 3694 return s->gsbase.subcode == GIMPLE_DEBUG_SOURCE_BIND; 3695 3696 return false; 3697 } 3698 3699 /* Return the variable bound in a GIMPLE_DEBUG source bind statement. */ 3700 3701 static inline tree 3702 gimple_debug_source_bind_get_var (gimple dbg) 3703 { 3704 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3705 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg)); 3706 return gimple_op (dbg, 0); 3707 } 3708 3709 /* Return the value bound to the variable in a GIMPLE_DEBUG source bind 3710 statement. */ 3711 3712 static inline tree 3713 gimple_debug_source_bind_get_value (gimple dbg) 3714 { 3715 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3716 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg)); 3717 return gimple_op (dbg, 1); 3718 } 3719 3720 /* Return a pointer to the value bound to the variable in a 3721 GIMPLE_DEBUG source bind statement. */ 3722 3723 static inline tree * 3724 gimple_debug_source_bind_get_value_ptr (gimple dbg) 3725 { 3726 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3727 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg)); 3728 return gimple_op_ptr (dbg, 1); 3729 } 3730 3731 /* Set the variable bound in a GIMPLE_DEBUG source bind statement. */ 3732 3733 static inline void 3734 gimple_debug_source_bind_set_var (gimple dbg, tree var) 3735 { 3736 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3737 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg)); 3738 gimple_set_op (dbg, 0, var); 3739 } 3740 3741 /* Set the value bound to the variable in a GIMPLE_DEBUG source bind 3742 statement. */ 3743 3744 static inline void 3745 gimple_debug_source_bind_set_value (gimple dbg, tree value) 3746 { 3747 GIMPLE_CHECK (dbg, GIMPLE_DEBUG); 3748 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg)); 3749 gimple_set_op (dbg, 1, value); 3750 } 3751 3752 /* Return the body for the OMP statement GS. */ 3753 3754 static inline gimple_seq 3755 gimple_omp_body (gimple gs) 3756 { 3757 return gs->omp.body; 3758 } 3759 3760 /* Set BODY to be the body for the OMP statement GS. */ 3761 3762 static inline void 3763 gimple_omp_set_body (gimple gs, gimple_seq body) 3764 { 3765 gs->omp.body = body; 3766 } 3767 3768 3769 /* Return the name associated with OMP_CRITICAL statement GS. */ 3770 3771 static inline tree 3772 gimple_omp_critical_name (const_gimple gs) 3773 { 3774 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL); 3775 return gs->gimple_omp_critical.name; 3776 } 3777 3778 3779 /* Return a pointer to the name associated with OMP critical statement GS. */ 3780 3781 static inline tree * 3782 gimple_omp_critical_name_ptr (gimple gs) 3783 { 3784 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL); 3785 return &gs->gimple_omp_critical.name; 3786 } 3787 3788 3789 /* Set NAME to be the name associated with OMP critical statement GS. */ 3790 3791 static inline void 3792 gimple_omp_critical_set_name (gimple gs, tree name) 3793 { 3794 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL); 3795 gs->gimple_omp_critical.name = name; 3796 } 3797 3798 3799 /* Return the clauses associated with OMP_FOR GS. */ 3800 3801 static inline tree 3802 gimple_omp_for_clauses (const_gimple gs) 3803 { 3804 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3805 return gs->gimple_omp_for.clauses; 3806 } 3807 3808 3809 /* Return a pointer to the OMP_FOR GS. */ 3810 3811 static inline tree * 3812 gimple_omp_for_clauses_ptr (gimple gs) 3813 { 3814 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3815 return &gs->gimple_omp_for.clauses; 3816 } 3817 3818 3819 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */ 3820 3821 static inline void 3822 gimple_omp_for_set_clauses (gimple gs, tree clauses) 3823 { 3824 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3825 gs->gimple_omp_for.clauses = clauses; 3826 } 3827 3828 3829 /* Get the collapse count of OMP_FOR GS. */ 3830 3831 static inline size_t 3832 gimple_omp_for_collapse (gimple gs) 3833 { 3834 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3835 return gs->gimple_omp_for.collapse; 3836 } 3837 3838 3839 /* Return the index variable for OMP_FOR GS. */ 3840 3841 static inline tree 3842 gimple_omp_for_index (const_gimple gs, size_t i) 3843 { 3844 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3845 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3846 return gs->gimple_omp_for.iter[i].index; 3847 } 3848 3849 3850 /* Return a pointer to the index variable for OMP_FOR GS. */ 3851 3852 static inline tree * 3853 gimple_omp_for_index_ptr (gimple gs, size_t i) 3854 { 3855 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3856 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3857 return &gs->gimple_omp_for.iter[i].index; 3858 } 3859 3860 3861 /* Set INDEX to be the index variable for OMP_FOR GS. */ 3862 3863 static inline void 3864 gimple_omp_for_set_index (gimple gs, size_t i, tree index) 3865 { 3866 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3867 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3868 gs->gimple_omp_for.iter[i].index = index; 3869 } 3870 3871 3872 /* Return the initial value for OMP_FOR GS. */ 3873 3874 static inline tree 3875 gimple_omp_for_initial (const_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].initial; 3880 } 3881 3882 3883 /* Return a pointer to the initial value for OMP_FOR GS. */ 3884 3885 static inline tree * 3886 gimple_omp_for_initial_ptr (gimple gs, size_t i) 3887 { 3888 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3889 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3890 return &gs->gimple_omp_for.iter[i].initial; 3891 } 3892 3893 3894 /* Set INITIAL to be the initial value for OMP_FOR GS. */ 3895 3896 static inline void 3897 gimple_omp_for_set_initial (gimple gs, size_t i, tree initial) 3898 { 3899 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3900 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3901 gs->gimple_omp_for.iter[i].initial = initial; 3902 } 3903 3904 3905 /* Return the final value for OMP_FOR GS. */ 3906 3907 static inline tree 3908 gimple_omp_for_final (const_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].final; 3913 } 3914 3915 3916 /* Return a pointer to the final value for OMP_FOR GS. */ 3917 3918 static inline tree * 3919 gimple_omp_for_final_ptr (gimple gs, size_t i) 3920 { 3921 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3922 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3923 return &gs->gimple_omp_for.iter[i].final; 3924 } 3925 3926 3927 /* Set FINAL to be the final value for OMP_FOR GS. */ 3928 3929 static inline void 3930 gimple_omp_for_set_final (gimple gs, size_t i, tree final) 3931 { 3932 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3933 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3934 gs->gimple_omp_for.iter[i].final = final; 3935 } 3936 3937 3938 /* Return the increment value for OMP_FOR GS. */ 3939 3940 static inline tree 3941 gimple_omp_for_incr (const_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].incr; 3946 } 3947 3948 3949 /* Return a pointer to the increment value for OMP_FOR GS. */ 3950 3951 static inline tree * 3952 gimple_omp_for_incr_ptr (gimple gs, size_t i) 3953 { 3954 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3955 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3956 return &gs->gimple_omp_for.iter[i].incr; 3957 } 3958 3959 3960 /* Set INCR to be the increment value for OMP_FOR GS. */ 3961 3962 static inline void 3963 gimple_omp_for_set_incr (gimple gs, size_t i, tree incr) 3964 { 3965 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3966 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 3967 gs->gimple_omp_for.iter[i].incr = incr; 3968 } 3969 3970 3971 /* Return the sequence of statements to execute before the OMP_FOR 3972 statement GS starts. */ 3973 3974 static inline gimple_seq 3975 gimple_omp_for_pre_body (gimple gs) 3976 { 3977 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3978 return gs->gimple_omp_for.pre_body; 3979 } 3980 3981 3982 /* Set PRE_BODY to be the sequence of statements to execute before the 3983 OMP_FOR statement GS starts. */ 3984 3985 static inline void 3986 gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body) 3987 { 3988 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 3989 gs->gimple_omp_for.pre_body = pre_body; 3990 } 3991 3992 3993 /* Return the clauses associated with OMP_PARALLEL GS. */ 3994 3995 static inline tree 3996 gimple_omp_parallel_clauses (const_gimple gs) 3997 { 3998 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 3999 return gs->gimple_omp_parallel.clauses; 4000 } 4001 4002 4003 /* Return a pointer to the clauses associated with OMP_PARALLEL GS. */ 4004 4005 static inline tree * 4006 gimple_omp_parallel_clauses_ptr (gimple gs) 4007 { 4008 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 4009 return &gs->gimple_omp_parallel.clauses; 4010 } 4011 4012 4013 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL 4014 GS. */ 4015 4016 static inline void 4017 gimple_omp_parallel_set_clauses (gimple gs, tree clauses) 4018 { 4019 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 4020 gs->gimple_omp_parallel.clauses = clauses; 4021 } 4022 4023 4024 /* Return the child function used to hold the body of OMP_PARALLEL GS. */ 4025 4026 static inline tree 4027 gimple_omp_parallel_child_fn (const_gimple gs) 4028 { 4029 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 4030 return gs->gimple_omp_parallel.child_fn; 4031 } 4032 4033 /* Return a pointer to the child function used to hold the body of 4034 OMP_PARALLEL GS. */ 4035 4036 static inline tree * 4037 gimple_omp_parallel_child_fn_ptr (gimple gs) 4038 { 4039 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 4040 return &gs->gimple_omp_parallel.child_fn; 4041 } 4042 4043 4044 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */ 4045 4046 static inline void 4047 gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn) 4048 { 4049 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 4050 gs->gimple_omp_parallel.child_fn = child_fn; 4051 } 4052 4053 4054 /* Return the artificial argument used to send variables and values 4055 from the parent to the children threads in OMP_PARALLEL GS. */ 4056 4057 static inline tree 4058 gimple_omp_parallel_data_arg (const_gimple gs) 4059 { 4060 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 4061 return gs->gimple_omp_parallel.data_arg; 4062 } 4063 4064 4065 /* Return a pointer to the data argument for OMP_PARALLEL GS. */ 4066 4067 static inline tree * 4068 gimple_omp_parallel_data_arg_ptr (gimple gs) 4069 { 4070 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 4071 return &gs->gimple_omp_parallel.data_arg; 4072 } 4073 4074 4075 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */ 4076 4077 static inline void 4078 gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg) 4079 { 4080 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); 4081 gs->gimple_omp_parallel.data_arg = data_arg; 4082 } 4083 4084 4085 /* Return the clauses associated with OMP_TASK GS. */ 4086 4087 static inline tree 4088 gimple_omp_task_clauses (const_gimple gs) 4089 { 4090 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4091 return gs->gimple_omp_parallel.clauses; 4092 } 4093 4094 4095 /* Return a pointer to the clauses associated with OMP_TASK GS. */ 4096 4097 static inline tree * 4098 gimple_omp_task_clauses_ptr (gimple gs) 4099 { 4100 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4101 return &gs->gimple_omp_parallel.clauses; 4102 } 4103 4104 4105 /* Set CLAUSES to be the list of clauses associated with OMP_TASK 4106 GS. */ 4107 4108 static inline void 4109 gimple_omp_task_set_clauses (gimple gs, tree clauses) 4110 { 4111 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4112 gs->gimple_omp_parallel.clauses = clauses; 4113 } 4114 4115 4116 /* Return the child function used to hold the body of OMP_TASK GS. */ 4117 4118 static inline tree 4119 gimple_omp_task_child_fn (const_gimple gs) 4120 { 4121 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4122 return gs->gimple_omp_parallel.child_fn; 4123 } 4124 4125 /* Return a pointer to the child function used to hold the body of 4126 OMP_TASK GS. */ 4127 4128 static inline tree * 4129 gimple_omp_task_child_fn_ptr (gimple gs) 4130 { 4131 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4132 return &gs->gimple_omp_parallel.child_fn; 4133 } 4134 4135 4136 /* Set CHILD_FN to be the child function for OMP_TASK GS. */ 4137 4138 static inline void 4139 gimple_omp_task_set_child_fn (gimple gs, tree child_fn) 4140 { 4141 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4142 gs->gimple_omp_parallel.child_fn = child_fn; 4143 } 4144 4145 4146 /* Return the artificial argument used to send variables and values 4147 from the parent to the children threads in OMP_TASK GS. */ 4148 4149 static inline tree 4150 gimple_omp_task_data_arg (const_gimple gs) 4151 { 4152 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4153 return gs->gimple_omp_parallel.data_arg; 4154 } 4155 4156 4157 /* Return a pointer to the data argument for OMP_TASK GS. */ 4158 4159 static inline tree * 4160 gimple_omp_task_data_arg_ptr (gimple gs) 4161 { 4162 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4163 return &gs->gimple_omp_parallel.data_arg; 4164 } 4165 4166 4167 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */ 4168 4169 static inline void 4170 gimple_omp_task_set_data_arg (gimple gs, tree data_arg) 4171 { 4172 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4173 gs->gimple_omp_parallel.data_arg = data_arg; 4174 } 4175 4176 4177 /* Return the clauses associated with OMP_TASK GS. */ 4178 4179 static inline tree 4180 gimple_omp_taskreg_clauses (const_gimple gs) 4181 { 4182 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 4183 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4184 return gs->gimple_omp_parallel.clauses; 4185 } 4186 4187 4188 /* Return a pointer to the clauses associated with OMP_TASK GS. */ 4189 4190 static inline tree * 4191 gimple_omp_taskreg_clauses_ptr (gimple gs) 4192 { 4193 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 4194 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4195 return &gs->gimple_omp_parallel.clauses; 4196 } 4197 4198 4199 /* Set CLAUSES to be the list of clauses associated with OMP_TASK 4200 GS. */ 4201 4202 static inline void 4203 gimple_omp_taskreg_set_clauses (gimple gs, tree clauses) 4204 { 4205 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 4206 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4207 gs->gimple_omp_parallel.clauses = clauses; 4208 } 4209 4210 4211 /* Return the child function used to hold the body of OMP_TASK GS. */ 4212 4213 static inline tree 4214 gimple_omp_taskreg_child_fn (const_gimple gs) 4215 { 4216 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 4217 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4218 return gs->gimple_omp_parallel.child_fn; 4219 } 4220 4221 /* Return a pointer to the child function used to hold the body of 4222 OMP_TASK GS. */ 4223 4224 static inline tree * 4225 gimple_omp_taskreg_child_fn_ptr (gimple gs) 4226 { 4227 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 4228 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4229 return &gs->gimple_omp_parallel.child_fn; 4230 } 4231 4232 4233 /* Set CHILD_FN to be the child function for OMP_TASK GS. */ 4234 4235 static inline void 4236 gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn) 4237 { 4238 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 4239 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4240 gs->gimple_omp_parallel.child_fn = child_fn; 4241 } 4242 4243 4244 /* Return the artificial argument used to send variables and values 4245 from the parent to the children threads in OMP_TASK GS. */ 4246 4247 static inline tree 4248 gimple_omp_taskreg_data_arg (const_gimple gs) 4249 { 4250 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 4251 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4252 return gs->gimple_omp_parallel.data_arg; 4253 } 4254 4255 4256 /* Return a pointer to the data argument for OMP_TASK GS. */ 4257 4258 static inline tree * 4259 gimple_omp_taskreg_data_arg_ptr (gimple gs) 4260 { 4261 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 4262 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4263 return &gs->gimple_omp_parallel.data_arg; 4264 } 4265 4266 4267 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */ 4268 4269 static inline void 4270 gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg) 4271 { 4272 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) 4273 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4274 gs->gimple_omp_parallel.data_arg = data_arg; 4275 } 4276 4277 4278 /* Return the copy function used to hold the body of OMP_TASK GS. */ 4279 4280 static inline tree 4281 gimple_omp_task_copy_fn (const_gimple gs) 4282 { 4283 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4284 return gs->gimple_omp_task.copy_fn; 4285 } 4286 4287 /* Return a pointer to the copy function used to hold the body of 4288 OMP_TASK GS. */ 4289 4290 static inline tree * 4291 gimple_omp_task_copy_fn_ptr (gimple gs) 4292 { 4293 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4294 return &gs->gimple_omp_task.copy_fn; 4295 } 4296 4297 4298 /* Set CHILD_FN to be the copy function for OMP_TASK GS. */ 4299 4300 static inline void 4301 gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn) 4302 { 4303 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4304 gs->gimple_omp_task.copy_fn = copy_fn; 4305 } 4306 4307 4308 /* Return size of the data block in bytes in OMP_TASK GS. */ 4309 4310 static inline tree 4311 gimple_omp_task_arg_size (const_gimple gs) 4312 { 4313 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4314 return gs->gimple_omp_task.arg_size; 4315 } 4316 4317 4318 /* Return a pointer to the data block size for OMP_TASK GS. */ 4319 4320 static inline tree * 4321 gimple_omp_task_arg_size_ptr (gimple gs) 4322 { 4323 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4324 return &gs->gimple_omp_task.arg_size; 4325 } 4326 4327 4328 /* Set ARG_SIZE to be the data block size for OMP_TASK GS. */ 4329 4330 static inline void 4331 gimple_omp_task_set_arg_size (gimple gs, tree arg_size) 4332 { 4333 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4334 gs->gimple_omp_task.arg_size = arg_size; 4335 } 4336 4337 4338 /* Return align of the data block in bytes in OMP_TASK GS. */ 4339 4340 static inline tree 4341 gimple_omp_task_arg_align (const_gimple gs) 4342 { 4343 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4344 return gs->gimple_omp_task.arg_align; 4345 } 4346 4347 4348 /* Return a pointer to the data block align for OMP_TASK GS. */ 4349 4350 static inline tree * 4351 gimple_omp_task_arg_align_ptr (gimple gs) 4352 { 4353 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4354 return &gs->gimple_omp_task.arg_align; 4355 } 4356 4357 4358 /* Set ARG_SIZE to be the data block align for OMP_TASK GS. */ 4359 4360 static inline void 4361 gimple_omp_task_set_arg_align (gimple gs, tree arg_align) 4362 { 4363 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); 4364 gs->gimple_omp_task.arg_align = arg_align; 4365 } 4366 4367 4368 /* Return the clauses associated with OMP_SINGLE GS. */ 4369 4370 static inline tree 4371 gimple_omp_single_clauses (const_gimple gs) 4372 { 4373 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE); 4374 return gs->gimple_omp_single.clauses; 4375 } 4376 4377 4378 /* Return a pointer to the clauses associated with OMP_SINGLE GS. */ 4379 4380 static inline tree * 4381 gimple_omp_single_clauses_ptr (gimple gs) 4382 { 4383 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE); 4384 return &gs->gimple_omp_single.clauses; 4385 } 4386 4387 4388 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */ 4389 4390 static inline void 4391 gimple_omp_single_set_clauses (gimple gs, tree clauses) 4392 { 4393 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE); 4394 gs->gimple_omp_single.clauses = clauses; 4395 } 4396 4397 4398 /* Return the clauses associated with OMP_SECTIONS GS. */ 4399 4400 static inline tree 4401 gimple_omp_sections_clauses (const_gimple gs) 4402 { 4403 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); 4404 return gs->gimple_omp_sections.clauses; 4405 } 4406 4407 4408 /* Return a pointer to the clauses associated with OMP_SECTIONS GS. */ 4409 4410 static inline tree * 4411 gimple_omp_sections_clauses_ptr (gimple gs) 4412 { 4413 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); 4414 return &gs->gimple_omp_sections.clauses; 4415 } 4416 4417 4418 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS 4419 GS. */ 4420 4421 static inline void 4422 gimple_omp_sections_set_clauses (gimple gs, tree clauses) 4423 { 4424 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); 4425 gs->gimple_omp_sections.clauses = clauses; 4426 } 4427 4428 4429 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS 4430 in GS. */ 4431 4432 static inline tree 4433 gimple_omp_sections_control (const_gimple gs) 4434 { 4435 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); 4436 return gs->gimple_omp_sections.control; 4437 } 4438 4439 4440 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS 4441 GS. */ 4442 4443 static inline tree * 4444 gimple_omp_sections_control_ptr (gimple gs) 4445 { 4446 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); 4447 return &gs->gimple_omp_sections.control; 4448 } 4449 4450 4451 /* Set CONTROL to be the set of clauses associated with the 4452 GIMPLE_OMP_SECTIONS in GS. */ 4453 4454 static inline void 4455 gimple_omp_sections_set_control (gimple gs, tree control) 4456 { 4457 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); 4458 gs->gimple_omp_sections.control = control; 4459 } 4460 4461 4462 /* Set COND to be the condition code for OMP_FOR GS. */ 4463 4464 static inline void 4465 gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond) 4466 { 4467 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 4468 gcc_gimple_checking_assert (TREE_CODE_CLASS (cond) == tcc_comparison 4469 && i < gs->gimple_omp_for.collapse); 4470 gs->gimple_omp_for.iter[i].cond = cond; 4471 } 4472 4473 4474 /* Return the condition code associated with OMP_FOR GS. */ 4475 4476 static inline enum tree_code 4477 gimple_omp_for_cond (const_gimple gs, size_t i) 4478 { 4479 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); 4480 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); 4481 return gs->gimple_omp_for.iter[i].cond; 4482 } 4483 4484 4485 /* Set the value being stored in an atomic store. */ 4486 4487 static inline void 4488 gimple_omp_atomic_store_set_val (gimple g, tree val) 4489 { 4490 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE); 4491 g->gimple_omp_atomic_store.val = val; 4492 } 4493 4494 4495 /* Return the value being stored in an atomic store. */ 4496 4497 static inline tree 4498 gimple_omp_atomic_store_val (const_gimple g) 4499 { 4500 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE); 4501 return g->gimple_omp_atomic_store.val; 4502 } 4503 4504 4505 /* Return a pointer to the value being stored in an atomic store. */ 4506 4507 static inline tree * 4508 gimple_omp_atomic_store_val_ptr (gimple g) 4509 { 4510 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE); 4511 return &g->gimple_omp_atomic_store.val; 4512 } 4513 4514 4515 /* Set the LHS of an atomic load. */ 4516 4517 static inline void 4518 gimple_omp_atomic_load_set_lhs (gimple g, tree lhs) 4519 { 4520 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); 4521 g->gimple_omp_atomic_load.lhs = lhs; 4522 } 4523 4524 4525 /* Get the LHS of an atomic load. */ 4526 4527 static inline tree 4528 gimple_omp_atomic_load_lhs (const_gimple g) 4529 { 4530 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); 4531 return g->gimple_omp_atomic_load.lhs; 4532 } 4533 4534 4535 /* Return a pointer to the LHS of an atomic load. */ 4536 4537 static inline tree * 4538 gimple_omp_atomic_load_lhs_ptr (gimple g) 4539 { 4540 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); 4541 return &g->gimple_omp_atomic_load.lhs; 4542 } 4543 4544 4545 /* Set the RHS of an atomic load. */ 4546 4547 static inline void 4548 gimple_omp_atomic_load_set_rhs (gimple g, tree rhs) 4549 { 4550 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); 4551 g->gimple_omp_atomic_load.rhs = rhs; 4552 } 4553 4554 4555 /* Get the RHS of an atomic load. */ 4556 4557 static inline tree 4558 gimple_omp_atomic_load_rhs (const_gimple g) 4559 { 4560 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); 4561 return g->gimple_omp_atomic_load.rhs; 4562 } 4563 4564 4565 /* Return a pointer to the RHS of an atomic load. */ 4566 4567 static inline tree * 4568 gimple_omp_atomic_load_rhs_ptr (gimple g) 4569 { 4570 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); 4571 return &g->gimple_omp_atomic_load.rhs; 4572 } 4573 4574 4575 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */ 4576 4577 static inline tree 4578 gimple_omp_continue_control_def (const_gimple g) 4579 { 4580 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); 4581 return g->gimple_omp_continue.control_def; 4582 } 4583 4584 /* The same as above, but return the address. */ 4585 4586 static inline tree * 4587 gimple_omp_continue_control_def_ptr (gimple g) 4588 { 4589 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); 4590 return &g->gimple_omp_continue.control_def; 4591 } 4592 4593 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */ 4594 4595 static inline void 4596 gimple_omp_continue_set_control_def (gimple g, tree def) 4597 { 4598 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); 4599 g->gimple_omp_continue.control_def = def; 4600 } 4601 4602 4603 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */ 4604 4605 static inline tree 4606 gimple_omp_continue_control_use (const_gimple g) 4607 { 4608 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); 4609 return g->gimple_omp_continue.control_use; 4610 } 4611 4612 4613 /* The same as above, but return the address. */ 4614 4615 static inline tree * 4616 gimple_omp_continue_control_use_ptr (gimple g) 4617 { 4618 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); 4619 return &g->gimple_omp_continue.control_use; 4620 } 4621 4622 4623 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */ 4624 4625 static inline void 4626 gimple_omp_continue_set_control_use (gimple g, tree use) 4627 { 4628 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); 4629 g->gimple_omp_continue.control_use = use; 4630 } 4631 4632 /* Return the body for the GIMPLE_TRANSACTION statement GS. */ 4633 4634 static inline gimple_seq 4635 gimple_transaction_body (gimple gs) 4636 { 4637 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION); 4638 return gs->gimple_transaction.body; 4639 } 4640 4641 /* Return the label associated with a GIMPLE_TRANSACTION. */ 4642 4643 static inline tree 4644 gimple_transaction_label (const_gimple gs) 4645 { 4646 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION); 4647 return gs->gimple_transaction.label; 4648 } 4649 4650 static inline tree * 4651 gimple_transaction_label_ptr (gimple gs) 4652 { 4653 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION); 4654 return &gs->gimple_transaction.label; 4655 } 4656 4657 /* Return the subcode associated with a GIMPLE_TRANSACTION. */ 4658 4659 static inline unsigned int 4660 gimple_transaction_subcode (const_gimple gs) 4661 { 4662 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION); 4663 return gs->gsbase.subcode; 4664 } 4665 4666 /* Set BODY to be the body for the GIMPLE_TRANSACTION statement GS. */ 4667 4668 static inline void 4669 gimple_transaction_set_body (gimple gs, gimple_seq body) 4670 { 4671 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION); 4672 gs->gimple_transaction.body = body; 4673 } 4674 4675 /* Set the label associated with a GIMPLE_TRANSACTION. */ 4676 4677 static inline void 4678 gimple_transaction_set_label (gimple gs, tree label) 4679 { 4680 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION); 4681 gs->gimple_transaction.label = label; 4682 } 4683 4684 /* Set the subcode associated with a GIMPLE_TRANSACTION. */ 4685 4686 static inline void 4687 gimple_transaction_set_subcode (gimple gs, unsigned int subcode) 4688 { 4689 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION); 4690 gs->gsbase.subcode = subcode; 4691 } 4692 4693 4694 /* Return a pointer to the return value for GIMPLE_RETURN GS. */ 4695 4696 static inline tree * 4697 gimple_return_retval_ptr (const_gimple gs) 4698 { 4699 GIMPLE_CHECK (gs, GIMPLE_RETURN); 4700 return gimple_op_ptr (gs, 0); 4701 } 4702 4703 /* Return the return value for GIMPLE_RETURN GS. */ 4704 4705 static inline tree 4706 gimple_return_retval (const_gimple gs) 4707 { 4708 GIMPLE_CHECK (gs, GIMPLE_RETURN); 4709 return gimple_op (gs, 0); 4710 } 4711 4712 4713 /* Set RETVAL to be the return value for GIMPLE_RETURN GS. */ 4714 4715 static inline void 4716 gimple_return_set_retval (gimple gs, tree retval) 4717 { 4718 GIMPLE_CHECK (gs, GIMPLE_RETURN); 4719 gimple_set_op (gs, 0, retval); 4720 } 4721 4722 4723 /* Returns true when the gimple statment STMT is any of the OpenMP types. */ 4724 4725 #define CASE_GIMPLE_OMP \ 4726 case GIMPLE_OMP_PARALLEL: \ 4727 case GIMPLE_OMP_TASK: \ 4728 case GIMPLE_OMP_FOR: \ 4729 case GIMPLE_OMP_SECTIONS: \ 4730 case GIMPLE_OMP_SECTIONS_SWITCH: \ 4731 case GIMPLE_OMP_SINGLE: \ 4732 case GIMPLE_OMP_SECTION: \ 4733 case GIMPLE_OMP_MASTER: \ 4734 case GIMPLE_OMP_ORDERED: \ 4735 case GIMPLE_OMP_CRITICAL: \ 4736 case GIMPLE_OMP_RETURN: \ 4737 case GIMPLE_OMP_ATOMIC_LOAD: \ 4738 case GIMPLE_OMP_ATOMIC_STORE: \ 4739 case GIMPLE_OMP_CONTINUE 4740 4741 static inline bool 4742 is_gimple_omp (const_gimple stmt) 4743 { 4744 switch (gimple_code (stmt)) 4745 { 4746 CASE_GIMPLE_OMP: 4747 return true; 4748 default: 4749 return false; 4750 } 4751 } 4752 4753 4754 /* Returns TRUE if statement G is a GIMPLE_NOP. */ 4755 4756 static inline bool 4757 gimple_nop_p (const_gimple g) 4758 { 4759 return gimple_code (g) == GIMPLE_NOP; 4760 } 4761 4762 4763 /* Return true if GS is a GIMPLE_RESX. */ 4764 4765 static inline bool 4766 is_gimple_resx (const_gimple gs) 4767 { 4768 return gimple_code (gs) == GIMPLE_RESX; 4769 } 4770 4771 /* Return the predictor of GIMPLE_PREDICT statement GS. */ 4772 4773 static inline enum br_predictor 4774 gimple_predict_predictor (gimple gs) 4775 { 4776 GIMPLE_CHECK (gs, GIMPLE_PREDICT); 4777 return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN); 4778 } 4779 4780 4781 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */ 4782 4783 static inline void 4784 gimple_predict_set_predictor (gimple gs, enum br_predictor predictor) 4785 { 4786 GIMPLE_CHECK (gs, GIMPLE_PREDICT); 4787 gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN) 4788 | (unsigned) predictor; 4789 } 4790 4791 4792 /* Return the outcome of GIMPLE_PREDICT statement GS. */ 4793 4794 static inline enum prediction 4795 gimple_predict_outcome (gimple gs) 4796 { 4797 GIMPLE_CHECK (gs, GIMPLE_PREDICT); 4798 return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN; 4799 } 4800 4801 4802 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */ 4803 4804 static inline void 4805 gimple_predict_set_outcome (gimple gs, enum prediction outcome) 4806 { 4807 GIMPLE_CHECK (gs, GIMPLE_PREDICT); 4808 if (outcome == TAKEN) 4809 gs->gsbase.subcode |= GF_PREDICT_TAKEN; 4810 else 4811 gs->gsbase.subcode &= ~GF_PREDICT_TAKEN; 4812 } 4813 4814 4815 /* Return the type of the main expression computed by STMT. Return 4816 void_type_node if the statement computes nothing. */ 4817 4818 static inline tree 4819 gimple_expr_type (const_gimple stmt) 4820 { 4821 enum gimple_code code = gimple_code (stmt); 4822 4823 if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL) 4824 { 4825 tree type; 4826 /* In general we want to pass out a type that can be substituted 4827 for both the RHS and the LHS types if there is a possibly 4828 useless conversion involved. That means returning the 4829 original RHS type as far as we can reconstruct it. */ 4830 if (code == GIMPLE_CALL) 4831 type = gimple_call_return_type (stmt); 4832 else 4833 switch (gimple_assign_rhs_code (stmt)) 4834 { 4835 case POINTER_PLUS_EXPR: 4836 type = TREE_TYPE (gimple_assign_rhs1 (stmt)); 4837 break; 4838 4839 default: 4840 /* As fallback use the type of the LHS. */ 4841 type = TREE_TYPE (gimple_get_lhs (stmt)); 4842 break; 4843 } 4844 return type; 4845 } 4846 else if (code == GIMPLE_COND) 4847 return boolean_type_node; 4848 else 4849 return void_type_node; 4850 } 4851 4852 /* Return true if TYPE is a suitable type for a scalar register variable. */ 4853 4854 static inline bool 4855 is_gimple_reg_type (tree type) 4856 { 4857 return !AGGREGATE_TYPE_P (type); 4858 } 4859 4860 /* Return a new iterator pointing to GIMPLE_SEQ's first statement. */ 4861 4862 static inline gimple_stmt_iterator 4863 gsi_start (gimple_seq seq) 4864 { 4865 gimple_stmt_iterator i; 4866 4867 i.ptr = gimple_seq_first (seq); 4868 i.seq = seq; 4869 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL; 4870 4871 return i; 4872 } 4873 4874 4875 /* Return a new iterator pointing to the first statement in basic block BB. */ 4876 4877 static inline gimple_stmt_iterator 4878 gsi_start_bb (basic_block bb) 4879 { 4880 gimple_stmt_iterator i; 4881 gimple_seq seq; 4882 4883 seq = bb_seq (bb); 4884 i.ptr = gimple_seq_first (seq); 4885 i.seq = seq; 4886 i.bb = bb; 4887 4888 return i; 4889 } 4890 4891 4892 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */ 4893 4894 static inline gimple_stmt_iterator 4895 gsi_last (gimple_seq seq) 4896 { 4897 gimple_stmt_iterator i; 4898 4899 i.ptr = gimple_seq_last (seq); 4900 i.seq = seq; 4901 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL; 4902 4903 return i; 4904 } 4905 4906 4907 /* Return a new iterator pointing to the last statement in basic block BB. */ 4908 4909 static inline gimple_stmt_iterator 4910 gsi_last_bb (basic_block bb) 4911 { 4912 gimple_stmt_iterator i; 4913 gimple_seq seq; 4914 4915 seq = bb_seq (bb); 4916 i.ptr = gimple_seq_last (seq); 4917 i.seq = seq; 4918 i.bb = bb; 4919 4920 return i; 4921 } 4922 4923 4924 /* Return true if I is at the end of its sequence. */ 4925 4926 static inline bool 4927 gsi_end_p (gimple_stmt_iterator i) 4928 { 4929 return i.ptr == NULL; 4930 } 4931 4932 4933 /* Return true if I is one statement before the end of its sequence. */ 4934 4935 static inline bool 4936 gsi_one_before_end_p (gimple_stmt_iterator i) 4937 { 4938 return i.ptr != NULL && i.ptr->next == NULL; 4939 } 4940 4941 4942 /* Advance the iterator to the next gimple statement. */ 4943 4944 static inline void 4945 gsi_next (gimple_stmt_iterator *i) 4946 { 4947 i->ptr = i->ptr->next; 4948 } 4949 4950 /* Advance the iterator to the previous gimple statement. */ 4951 4952 static inline void 4953 gsi_prev (gimple_stmt_iterator *i) 4954 { 4955 i->ptr = i->ptr->prev; 4956 } 4957 4958 /* Return the current stmt. */ 4959 4960 static inline gimple 4961 gsi_stmt (gimple_stmt_iterator i) 4962 { 4963 return i.ptr->stmt; 4964 } 4965 4966 /* Return a block statement iterator that points to the first non-label 4967 statement in block BB. */ 4968 4969 static inline gimple_stmt_iterator 4970 gsi_after_labels (basic_block bb) 4971 { 4972 gimple_stmt_iterator gsi = gsi_start_bb (bb); 4973 4974 while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL) 4975 gsi_next (&gsi); 4976 4977 return gsi; 4978 } 4979 4980 /* Advance the iterator to the next non-debug gimple statement. */ 4981 4982 static inline void 4983 gsi_next_nondebug (gimple_stmt_iterator *i) 4984 { 4985 do 4986 { 4987 gsi_next (i); 4988 } 4989 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i))); 4990 } 4991 4992 /* Advance the iterator to the next non-debug gimple statement. */ 4993 4994 static inline void 4995 gsi_prev_nondebug (gimple_stmt_iterator *i) 4996 { 4997 do 4998 { 4999 gsi_prev (i); 5000 } 5001 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i))); 5002 } 5003 5004 /* Return a new iterator pointing to the first non-debug statement in 5005 basic block BB. */ 5006 5007 static inline gimple_stmt_iterator 5008 gsi_start_nondebug_bb (basic_block bb) 5009 { 5010 gimple_stmt_iterator i = gsi_start_bb (bb); 5011 5012 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i))) 5013 gsi_next_nondebug (&i); 5014 5015 return i; 5016 } 5017 5018 /* Return a new iterator pointing to the last non-debug statement in 5019 basic block BB. */ 5020 5021 static inline gimple_stmt_iterator 5022 gsi_last_nondebug_bb (basic_block bb) 5023 { 5024 gimple_stmt_iterator i = gsi_last_bb (bb); 5025 5026 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i))) 5027 gsi_prev_nondebug (&i); 5028 5029 return i; 5030 } 5031 5032 /* Return a pointer to the current stmt. 5033 5034 NOTE: You may want to use gsi_replace on the iterator itself, 5035 as this performs additional bookkeeping that will not be done 5036 if you simply assign through a pointer returned by gsi_stmt_ptr. */ 5037 5038 static inline gimple * 5039 gsi_stmt_ptr (gimple_stmt_iterator *i) 5040 { 5041 return &i->ptr->stmt; 5042 } 5043 5044 5045 /* Return the basic block associated with this iterator. */ 5046 5047 static inline basic_block 5048 gsi_bb (gimple_stmt_iterator i) 5049 { 5050 return i.bb; 5051 } 5052 5053 5054 /* Return the sequence associated with this iterator. */ 5055 5056 static inline gimple_seq 5057 gsi_seq (gimple_stmt_iterator i) 5058 { 5059 return i.seq; 5060 } 5061 5062 5063 enum gsi_iterator_update 5064 { 5065 GSI_NEW_STMT, /* Only valid when single statement is added, move 5066 iterator to it. */ 5067 GSI_SAME_STMT, /* Leave the iterator at the same statement. */ 5068 GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable 5069 for linking other statements in the same 5070 direction. */ 5071 }; 5072 5073 /* In gimple-iterator.c */ 5074 gimple_stmt_iterator gsi_start_phis (basic_block); 5075 gimple_seq gsi_split_seq_after (gimple_stmt_iterator); 5076 gimple_seq gsi_split_seq_before (gimple_stmt_iterator *); 5077 void gsi_replace (gimple_stmt_iterator *, gimple, bool); 5078 void gsi_insert_before (gimple_stmt_iterator *, gimple, 5079 enum gsi_iterator_update); 5080 void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple, 5081 enum gsi_iterator_update); 5082 void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq, 5083 enum gsi_iterator_update); 5084 void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq, 5085 enum gsi_iterator_update); 5086 void gsi_insert_after (gimple_stmt_iterator *, gimple, 5087 enum gsi_iterator_update); 5088 void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple, 5089 enum gsi_iterator_update); 5090 void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq, 5091 enum gsi_iterator_update); 5092 void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq, 5093 enum gsi_iterator_update); 5094 void gsi_remove (gimple_stmt_iterator *, bool); 5095 gimple_stmt_iterator gsi_for_stmt (gimple); 5096 void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *); 5097 void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *); 5098 void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *); 5099 void gsi_insert_on_edge (edge, gimple); 5100 void gsi_insert_seq_on_edge (edge, gimple_seq); 5101 basic_block gsi_insert_on_edge_immediate (edge, gimple); 5102 basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq); 5103 void gsi_commit_one_edge_insert (edge, basic_block *); 5104 void gsi_commit_edge_inserts (void); 5105 gimple gimple_call_copy_skip_args (gimple, bitmap); 5106 5107 5108 /* Convenience routines to walk all statements of a gimple function. 5109 Note that this is useful exclusively before the code is converted 5110 into SSA form. Once the program is in SSA form, the standard 5111 operand interface should be used to analyze/modify statements. */ 5112 struct walk_stmt_info 5113 { 5114 /* Points to the current statement being walked. */ 5115 gimple_stmt_iterator gsi; 5116 5117 /* Additional data that the callback functions may want to carry 5118 through the recursion. */ 5119 void *info; 5120 5121 /* Pointer map used to mark visited tree nodes when calling 5122 walk_tree on each operand. If set to NULL, duplicate tree nodes 5123 will be visited more than once. */ 5124 struct pointer_set_t *pset; 5125 5126 /* Operand returned by the callbacks. This is set when calling 5127 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback 5128 returns non-NULL, this field will contain the tree returned by 5129 the last callback. */ 5130 tree callback_result; 5131 5132 /* Indicates whether the operand being examined may be replaced 5133 with something that matches is_gimple_val (if true) or something 5134 slightly more complicated (if false). "Something" technically 5135 means the common subset of is_gimple_lvalue and is_gimple_rhs, 5136 but we never try to form anything more complicated than that, so 5137 we don't bother checking. 5138 5139 Also note that CALLBACK should update this flag while walking the 5140 sub-expressions of a statement. For instance, when walking the 5141 statement 'foo (&var)', the flag VAL_ONLY will initially be set 5142 to true, however, when walking &var, the operand of that 5143 ADDR_EXPR does not need to be a GIMPLE value. */ 5144 BOOL_BITFIELD val_only : 1; 5145 5146 /* True if we are currently walking the LHS of an assignment. */ 5147 BOOL_BITFIELD is_lhs : 1; 5148 5149 /* Optional. Set to true by the callback functions if they made any 5150 changes. */ 5151 BOOL_BITFIELD changed : 1; 5152 5153 /* True if we're interested in location information. */ 5154 BOOL_BITFIELD want_locations : 1; 5155 5156 /* True if we've removed the statement that was processed. */ 5157 BOOL_BITFIELD removed_stmt : 1; 5158 }; 5159 5160 /* Callback for walk_gimple_stmt. Called for every statement found 5161 during traversal. The first argument points to the statement to 5162 walk. The second argument is a flag that the callback sets to 5163 'true' if it the callback handled all the operands and 5164 sub-statements of the statement (the default value of this flag is 5165 'false'). The third argument is an anonymous pointer to data 5166 to be used by the callback. */ 5167 typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *, 5168 struct walk_stmt_info *); 5169 5170 gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn, 5171 struct walk_stmt_info *); 5172 tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn, 5173 struct walk_stmt_info *); 5174 tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *); 5175 5176 #ifdef GATHER_STATISTICS 5177 /* Enum and arrays used for allocation stats. Keep in sync with 5178 gimple.c:gimple_alloc_kind_names. */ 5179 enum gimple_alloc_kind 5180 { 5181 gimple_alloc_kind_assign, /* Assignments. */ 5182 gimple_alloc_kind_phi, /* PHI nodes. */ 5183 gimple_alloc_kind_cond, /* Conditionals. */ 5184 gimple_alloc_kind_seq, /* Sequences. */ 5185 gimple_alloc_kind_rest, /* Everything else. */ 5186 gimple_alloc_kind_all 5187 }; 5188 5189 extern int gimple_alloc_counts[]; 5190 extern int gimple_alloc_sizes[]; 5191 5192 /* Return the allocation kind for a given stmt CODE. */ 5193 static inline enum gimple_alloc_kind 5194 gimple_alloc_kind (enum gimple_code code) 5195 { 5196 switch (code) 5197 { 5198 case GIMPLE_ASSIGN: 5199 return gimple_alloc_kind_assign; 5200 case GIMPLE_PHI: 5201 return gimple_alloc_kind_phi; 5202 case GIMPLE_COND: 5203 return gimple_alloc_kind_cond; 5204 default: 5205 return gimple_alloc_kind_rest; 5206 } 5207 } 5208 #endif /* GATHER_STATISTICS */ 5209 5210 extern void dump_gimple_statistics (void); 5211 5212 /* In gimple-fold.c. */ 5213 void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree); 5214 tree gimple_fold_builtin (gimple); 5215 bool fold_stmt (gimple_stmt_iterator *); 5216 bool fold_stmt_inplace (gimple_stmt_iterator *); 5217 tree get_symbol_constant_value (tree); 5218 tree canonicalize_constructor_val (tree); 5219 extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree, 5220 enum tree_code, tree, tree); 5221 extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree, 5222 enum tree_code, tree, tree); 5223 5224 bool gimple_val_nonnegative_real_p (tree); 5225 #endif /* GCC_GIMPLE_H */ 5226