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