1 /* Gimple IR definitions.
3 Copyright 2007, 2008, 2009 Free Software Foundation, Inc.
4 Contributed by Aldy Hernandez <aldyh@redhat.com>
6 This file is part of GCC.
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
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
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/>. */
25 #include "pointer-set.h"
29 #include "hard-reg-set.h"
30 #include "basic-block.h"
31 #include "tree-ssa-operands.h"
34 DEF_VEC_ALLOC_P(gimple,heap);
35 DEF_VEC_ALLOC_P(gimple,gc);
37 typedef gimple *gimple_p;
39 DEF_VEC_ALLOC_P(gimple_p,heap);
41 DEF_VEC_P(gimple_seq);
42 DEF_VEC_ALLOC_P(gimple_seq,gc);
43 DEF_VEC_ALLOC_P(gimple_seq,heap);
45 /* For each block, the PHI nodes that need to be rewritten are stored into
47 typedef VEC(gimple, heap) *gimple_vec;
48 DEF_VEC_P (gimple_vec);
49 DEF_VEC_ALLOC_P (gimple_vec, heap);
52 #define DEFGSCODE(SYM, STRING, STRUCT) SYM,
55 LAST_AND_UNUSED_GIMPLE_CODE
58 extern const char *const gimple_code_name[];
59 extern const unsigned char gimple_rhs_class_table[];
61 /* Error out if a gimple tuple is addressed incorrectly. */
62 #if defined ENABLE_GIMPLE_CHECKING
63 extern void gimple_check_failed (const_gimple, const char *, int, \
64 const char *, enum gimple_code, \
65 enum tree_code) ATTRIBUTE_NORETURN;
67 #define GIMPLE_CHECK(GS, CODE) \
69 const_gimple __gs = (GS); \
70 if (gimple_code (__gs) != (CODE)) \
71 gimple_check_failed (__gs, __FILE__, __LINE__, __FUNCTION__, \
72 (CODE), ERROR_MARK); \
74 #else /* not ENABLE_GIMPLE_CHECKING */
75 #define GIMPLE_CHECK(GS, CODE) (void)0
78 /* Class of GIMPLE expressions suitable for the RHS of assignments. See
79 get_gimple_rhs_class. */
82 GIMPLE_INVALID_RHS, /* The expression cannot be used on the RHS. */
83 GIMPLE_BINARY_RHS, /* The expression is a binary operation. */
84 GIMPLE_UNARY_RHS, /* The expression is a unary operation. */
85 GIMPLE_SINGLE_RHS /* The expression is a single object (an SSA
86 name, a _DECL, a _REF, etc. */
89 /* Specific flags for individual GIMPLE statements. These flags are
90 always stored in gimple_statement_base.subcode and they may only be
91 defined for statement codes that do not use sub-codes.
93 Values for the masks can overlap as long as the overlapping values
94 are never used in the same statement class.
96 The maximum mask value that can be defined is 1 << 15 (i.e., each
97 statement code can hold up to 16 bitflags).
99 Keep this list sorted. */
101 GF_ASM_INPUT = 1 << 0,
102 GF_ASM_VOLATILE = 1 << 1,
103 GF_CALL_CANNOT_INLINE = 1 << 0,
104 GF_CALL_FROM_THUNK = 1 << 1,
105 GF_CALL_RETURN_SLOT_OPT = 1 << 2,
106 GF_CALL_TAILCALL = 1 << 3,
107 GF_CALL_VA_ARG_PACK = 1 << 4,
108 GF_OMP_PARALLEL_COMBINED = 1 << 0,
110 /* True on an GIMPLE_OMP_RETURN statement if the return does not require
111 a thread synchronization via some sort of barrier. The exact barrier
112 that would otherwise be emitted is dependent on the OMP statement with
113 which this return is associated. */
114 GF_OMP_RETURN_NOWAIT = 1 << 0,
116 GF_OMP_SECTION_LAST = 1 << 0,
117 GF_PREDICT_TAKEN = 1 << 15
120 /* Currently, there's only one type of gimple debug stmt. Others are
121 envisioned, for example, to enable the generation of is_stmt notes
122 in line number information, to mark sequence points, etc. This
123 subcode is to be used to tell them apart. */
124 enum gimple_debug_subcode {
125 GIMPLE_DEBUG_BIND = 0
128 /* Masks for selecting a pass local flag (PLF) to work on. These
129 masks are used by gimple_set_plf and gimple_plf. */
135 /* A node in a gimple_seq_d. */
136 struct GTY((chain_next ("%h.next"), chain_prev ("%h.prev"))) gimple_seq_node_d {
138 struct gimple_seq_node_d *prev;
139 struct gimple_seq_node_d *next;
142 /* A double-linked sequence of gimple statements. */
143 struct GTY ((chain_next ("%h.next_free"))) gimple_seq_d {
144 /* First and last statements in the sequence. */
145 gimple_seq_node first;
146 gimple_seq_node last;
148 /* Sequences are created/destroyed frequently. To minimize
149 allocation activity, deallocated sequences are kept in a pool of
150 available sequences. This is the pointer to the next free
151 sequence in the pool. */
152 gimple_seq next_free;
156 /* Return the first node in GIMPLE sequence S. */
158 static inline gimple_seq_node
159 gimple_seq_first (const_gimple_seq s)
161 return s ? s->first : NULL;
165 /* Return the first statement in GIMPLE sequence S. */
168 gimple_seq_first_stmt (const_gimple_seq s)
170 gimple_seq_node n = gimple_seq_first (s);
171 return (n) ? n->stmt : NULL;
175 /* Return the last node in GIMPLE sequence S. */
177 static inline gimple_seq_node
178 gimple_seq_last (const_gimple_seq s)
180 return s ? s->last : NULL;
184 /* Return the last statement in GIMPLE sequence S. */
187 gimple_seq_last_stmt (const_gimple_seq s)
189 gimple_seq_node n = gimple_seq_last (s);
190 return (n) ? n->stmt : NULL;
194 /* Set the last node in GIMPLE sequence S to LAST. */
197 gimple_seq_set_last (gimple_seq s, gimple_seq_node last)
203 /* Set the first node in GIMPLE sequence S to FIRST. */
206 gimple_seq_set_first (gimple_seq s, gimple_seq_node first)
212 /* Return true if GIMPLE sequence S is empty. */
215 gimple_seq_empty_p (const_gimple_seq s)
217 return s == NULL || s->first == NULL;
221 void gimple_seq_add_stmt (gimple_seq *, gimple);
223 /* Allocate a new sequence and initialize its first element with STMT. */
225 static inline gimple_seq
226 gimple_seq_alloc_with_stmt (gimple stmt)
228 gimple_seq seq = NULL;
229 gimple_seq_add_stmt (&seq, stmt);
234 /* Returns the sequence of statements in BB. */
236 static inline gimple_seq
237 bb_seq (const_basic_block bb)
239 return (!(bb->flags & BB_RTL) && bb->il.gimple) ? bb->il.gimple->seq : NULL;
243 /* Sets the sequence of statements in BB to SEQ. */
246 set_bb_seq (basic_block bb, gimple_seq seq)
248 gcc_assert (!(bb->flags & BB_RTL));
249 bb->il.gimple->seq = seq;
252 /* Iterator object for GIMPLE statement sequences. */
256 /* Sequence node holding the current statement. */
259 /* Sequence and basic block holding the statement. These fields
260 are necessary to handle edge cases such as when statement is
261 added to an empty basic block or when the last statement of a
262 block/sequence is removed. */
265 } gimple_stmt_iterator;
268 /* Data structure definitions for GIMPLE tuples. NOTE: word markers
269 are for 64 bit hosts. */
271 struct GTY(()) gimple_statement_base {
273 Main identifying code for a tuple. */
274 ENUM_BITFIELD(gimple_code) code : 8;
276 /* Nonzero if a warning should not be emitted on this tuple. */
277 unsigned int no_warning : 1;
279 /* Nonzero if this tuple has been visited. Passes are responsible
280 for clearing this bit before using it. */
281 unsigned int visited : 1;
283 /* Nonzero if this tuple represents a non-temporal move. */
284 unsigned int nontemporal_move : 1;
286 /* Pass local flags. These flags are free for any pass to use as
287 they see fit. Passes should not assume that these flags contain
288 any useful value when the pass starts. Any initial state that
289 the pass requires should be set on entry to the pass. See
290 gimple_set_plf and gimple_plf for usage. */
291 unsigned int plf : 2;
293 /* Nonzero if this statement has been modified and needs to have its
294 operands rescanned. */
295 unsigned modified : 1;
297 /* Nonzero if this statement contains volatile operands. */
298 unsigned has_volatile_ops : 1;
300 /* Padding to get subcode to 16 bit alignment. */
303 /* The SUBCODE field can be used for tuple-specific flags for tuples
304 that do not require subcodes. Note that SUBCODE should be at
305 least as wide as tree codes, as several tuples store tree codes
307 unsigned int subcode : 16;
309 /* UID of this statement. This is used by passes that want to
310 assign IDs to statements. It must be assigned and used by each
311 pass. By default it should be assumed to contain garbage. */
315 Locus information for debug info. */
318 /* Number of operands in this tuple. */
322 Basic block holding this statement. */
323 struct basic_block_def *bb;
326 Lexical block holding this statement. */
331 /* Base structure for tuples with operands. */
333 struct GTY(()) gimple_statement_with_ops_base
336 struct gimple_statement_base gsbase;
339 SSA operand vectors. NOTE: It should be possible to
340 amalgamate these vectors with the operand vector OP. However,
341 the SSA operand vectors are organized differently and contain
342 more information (like immediate use chaining). */
343 struct def_optype_d GTY((skip (""))) *def_ops;
344 struct use_optype_d GTY((skip (""))) *use_ops;
348 /* Statements that take register operands. */
350 struct GTY(()) gimple_statement_with_ops
353 struct gimple_statement_with_ops_base opbase;
356 Operand vector. NOTE! This must always be the last field
357 of this structure. In particular, this means that this
358 structure cannot be embedded inside another one. */
359 tree GTY((length ("%h.opbase.gsbase.num_ops"))) op[1];
363 /* Base for statements that take both memory and register operands. */
365 struct GTY(()) gimple_statement_with_memory_ops_base
368 struct gimple_statement_with_ops_base opbase;
371 Virtual operands for this statement. The GC will pick them
372 up via the ssa_names array. */
373 tree GTY((skip (""))) vdef;
374 tree GTY((skip (""))) vuse;
378 /* Statements that take both memory and register operands. */
380 struct GTY(()) gimple_statement_with_memory_ops
383 struct gimple_statement_with_memory_ops_base membase;
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];
393 /* OpenMP statements (#pragma omp). */
395 struct GTY(()) gimple_statement_omp {
397 struct gimple_statement_base gsbase;
406 struct GTY(()) gimple_statement_bind {
408 struct gimple_statement_base gsbase;
411 Variables declared in this scope. */
415 This is different than the BLOCK field in gimple_statement_base,
416 which is analogous to TREE_BLOCK (i.e., the lexical block holding
417 this statement). This field is the equivalent of BIND_EXPR_BLOCK
418 in tree land (i.e., the lexical scope defined by this bind). See
429 struct GTY(()) gimple_statement_catch {
431 struct gimple_statement_base gsbase;
441 /* GIMPLE_EH_FILTER */
443 struct GTY(()) gimple_statement_eh_filter {
445 struct gimple_statement_base gsbase;
457 /* GIMPLE_EH_MUST_NOT_THROW */
459 struct GTY(()) gimple_statement_eh_mnt {
461 struct gimple_statement_base gsbase;
463 /* [ WORD 5 ] Abort function decl. */
469 struct GTY(()) gimple_statement_phi {
471 struct gimple_statement_base gsbase;
481 struct phi_arg_d GTY ((length ("%h.nargs"))) args[1];
485 /* GIMPLE_RESX, GIMPLE_EH_DISPATCH */
487 struct GTY(()) gimple_statement_eh_ctrl
490 struct gimple_statement_base gsbase;
493 Exception region number. */
500 struct GTY(()) gimple_statement_try {
502 struct gimple_statement_base gsbase;
505 Expression to evaluate. */
509 Cleanup expression. */
513 /* Kind of GIMPLE_TRY statements. */
514 enum gimple_try_flags
517 GIMPLE_TRY_CATCH = 1 << 0,
520 GIMPLE_TRY_FINALLY = 1 << 1,
521 GIMPLE_TRY_KIND = GIMPLE_TRY_CATCH | GIMPLE_TRY_FINALLY,
523 /* Analogous to TRY_CATCH_IS_CLEANUP. */
524 GIMPLE_TRY_CATCH_IS_CLEANUP = 1 << 2
527 /* GIMPLE_WITH_CLEANUP_EXPR */
529 struct GTY(()) gimple_statement_wce {
531 struct gimple_statement_base gsbase;
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
539 Cleanup expression. */
546 struct GTY(()) gimple_statement_asm
549 struct gimple_statement_with_memory_ops_base membase;
552 __asm__ statement. */
556 Number of inputs, outputs, clobbers, labels. */
563 Operand vector. NOTE! This must always be the last field
564 of this structure. In particular, this means that this
565 structure cannot be embedded inside another one. */
566 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
569 /* GIMPLE_OMP_CRITICAL */
571 struct GTY(()) gimple_statement_omp_critical {
573 struct gimple_statement_omp omp;
576 Critical section name. */
581 struct GTY(()) gimple_omp_for_iter {
582 /* Condition code. */
585 /* Index variable. */
600 struct GTY(()) gimple_statement_omp_for {
602 struct gimple_statement_omp omp;
608 Number of elements in iter array. */
612 struct gimple_omp_for_iter * GTY((length ("%h.collapse"))) iter;
615 Pre-body evaluated before the loop body begins. */
620 /* GIMPLE_OMP_PARALLEL */
622 struct GTY(()) gimple_statement_omp_parallel {
624 struct gimple_statement_omp omp;
631 Child function holding the body of the parallel region. */
635 Shared data argument. */
640 /* GIMPLE_OMP_TASK */
642 struct GTY(()) gimple_statement_omp_task {
644 struct gimple_statement_omp_parallel par;
647 Child function holding firstprivate initialization if needed. */
651 Size and alignment in bytes of the argument data block. */
657 /* GIMPLE_OMP_SECTION */
658 /* Uses struct gimple_statement_omp. */
661 /* GIMPLE_OMP_SECTIONS */
663 struct GTY(()) gimple_statement_omp_sections {
665 struct gimple_statement_omp omp;
671 The control variable used for deciding which of the sections to
676 /* GIMPLE_OMP_CONTINUE.
678 Note: This does not inherit from gimple_statement_omp, because we
679 do not need the body field. */
681 struct GTY(()) gimple_statement_omp_continue {
683 struct gimple_statement_base gsbase;
692 /* GIMPLE_OMP_SINGLE */
694 struct GTY(()) gimple_statement_omp_single {
696 struct gimple_statement_omp omp;
703 /* GIMPLE_OMP_ATOMIC_LOAD.
704 Note: This is based on gimple_statement_base, not g_s_omp, because g_s_omp
705 contains a sequence, which we don't need here. */
707 struct GTY(()) gimple_statement_omp_atomic_load {
709 struct gimple_statement_base gsbase;
715 /* GIMPLE_OMP_ATOMIC_STORE.
716 See note on GIMPLE_OMP_ATOMIC_LOAD. */
718 struct GTY(()) gimple_statement_omp_atomic_store {
720 struct gimple_statement_base gsbase;
726 #define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) SYM,
727 enum gimple_statement_structure_enum {
728 #include "gsstruct.def"
734 /* Define the overall contents of a gimple tuple. It may be any of the
735 structures declared above for various types of tuples. */
737 union GTY ((desc ("gimple_statement_structure (&%h)"))) gimple_statement_d {
738 struct gimple_statement_base GTY ((tag ("GSS_BASE"))) gsbase;
739 struct gimple_statement_with_ops GTY ((tag ("GSS_WITH_OPS"))) gsops;
740 struct gimple_statement_with_memory_ops_base GTY ((tag ("GSS_WITH_MEM_OPS_BASE"))) gsmembase;
741 struct gimple_statement_with_memory_ops GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem;
742 struct gimple_statement_omp GTY ((tag ("GSS_OMP"))) omp;
743 struct gimple_statement_bind GTY ((tag ("GSS_BIND"))) gimple_bind;
744 struct gimple_statement_catch GTY ((tag ("GSS_CATCH"))) gimple_catch;
745 struct gimple_statement_eh_filter GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter;
746 struct gimple_statement_eh_mnt GTY ((tag ("GSS_EH_MNT"))) gimple_eh_mnt;
747 struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi;
748 struct gimple_statement_eh_ctrl GTY ((tag ("GSS_EH_CTRL"))) gimple_eh_ctrl;
749 struct gimple_statement_try GTY ((tag ("GSS_TRY"))) gimple_try;
750 struct gimple_statement_wce GTY ((tag ("GSS_WCE"))) gimple_wce;
751 struct gimple_statement_asm GTY ((tag ("GSS_ASM"))) gimple_asm;
752 struct gimple_statement_omp_critical GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical;
753 struct gimple_statement_omp_for GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for;
754 struct gimple_statement_omp_parallel GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel;
755 struct gimple_statement_omp_task GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task;
756 struct gimple_statement_omp_sections GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections;
757 struct gimple_statement_omp_single GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single;
758 struct gimple_statement_omp_continue GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue;
759 struct gimple_statement_omp_atomic_load GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load;
760 struct gimple_statement_omp_atomic_store GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store;
765 /* Offset in bytes to the location of the operand vector.
766 Zero if there is no operand vector for this tuple structure. */
767 extern size_t const gimple_ops_offset_[];
769 /* Map GIMPLE codes to GSS codes. */
770 extern enum gimple_statement_structure_enum const gss_for_code_[];
772 gimple gimple_build_return (tree);
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)
777 void extract_ops_from_tree (tree, enum tree_code *, tree *, tree *);
779 gimple gimple_build_assign_with_ops_stat (enum tree_code, tree, tree,
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)
784 gimple gimple_build_debug_bind_stat (tree, tree, gimple MEM_STAT_DECL);
785 #define gimple_build_debug_bind(var,val,stmt) \
786 gimple_build_debug_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
788 gimple gimple_build_call_vec (tree, VEC(tree, heap) *);
789 gimple gimple_build_call (tree, unsigned, ...);
790 gimple gimple_build_call_from_tree (tree);
791 gimple gimplify_assign (tree, tree, gimple_seq *);
792 gimple gimple_build_cond (enum tree_code, tree, tree, tree, tree);
793 gimple gimple_build_label (tree label);
794 gimple gimple_build_goto (tree dest);
795 gimple gimple_build_nop (void);
796 gimple gimple_build_bind (tree, gimple_seq, tree);
797 gimple gimple_build_asm_vec (const char *, VEC(tree,gc) *, VEC(tree,gc) *,
798 VEC(tree,gc) *, VEC(tree,gc) *);
799 gimple gimple_build_catch (tree, gimple_seq);
800 gimple gimple_build_eh_filter (tree, gimple_seq);
801 gimple gimple_build_eh_must_not_throw (tree);
802 gimple gimple_build_try (gimple_seq, gimple_seq, enum gimple_try_flags);
803 gimple gimple_build_wce (gimple_seq);
804 gimple gimple_build_resx (int);
805 gimple gimple_build_eh_dispatch (int);
806 gimple gimple_build_switch_nlabels (unsigned, tree, tree);
807 gimple gimple_build_switch (unsigned, tree, tree, ...);
808 gimple gimple_build_switch_vec (tree, tree, VEC(tree,heap) *);
809 gimple gimple_build_omp_parallel (gimple_seq, tree, tree, tree);
810 gimple gimple_build_omp_task (gimple_seq, tree, tree, tree, tree, tree, tree);
811 gimple gimple_build_omp_for (gimple_seq, tree, size_t, gimple_seq);
812 gimple gimple_build_omp_critical (gimple_seq, tree);
813 gimple gimple_build_omp_section (gimple_seq);
814 gimple gimple_build_omp_continue (tree, tree);
815 gimple gimple_build_omp_master (gimple_seq);
816 gimple gimple_build_omp_return (bool);
817 gimple gimple_build_omp_ordered (gimple_seq);
818 gimple gimple_build_omp_sections (gimple_seq, tree);
819 gimple gimple_build_omp_sections_switch (void);
820 gimple gimple_build_omp_single (gimple_seq, tree);
821 gimple gimple_build_cdt (tree, tree);
822 gimple gimple_build_omp_atomic_load (tree, tree);
823 gimple gimple_build_omp_atomic_store (tree);
824 gimple gimple_build_predict (enum br_predictor, enum prediction);
825 enum gimple_statement_structure_enum gss_for_assign (enum tree_code);
826 void sort_case_labels (VEC(tree,heap) *);
827 void gimple_set_body (tree, gimple_seq);
828 gimple_seq gimple_body (tree);
829 bool gimple_has_body_p (tree);
830 gimple_seq gimple_seq_alloc (void);
831 void gimple_seq_free (gimple_seq);
832 void gimple_seq_add_seq (gimple_seq *, gimple_seq);
833 gimple_seq gimple_seq_copy (gimple_seq);
834 int gimple_call_flags (const_gimple);
835 bool gimple_assign_copy_p (gimple);
836 bool gimple_assign_ssa_name_copy_p (gimple);
837 bool gimple_assign_single_p (gimple);
838 bool gimple_assign_unary_nop_p (gimple);
839 void gimple_set_bb (gimple, struct basic_block_def *);
840 tree gimple_fold (const_gimple);
841 void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree);
842 void gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *, enum tree_code,
844 tree gimple_get_lhs (const_gimple);
845 void gimple_set_lhs (gimple, tree);
846 void gimple_replace_lhs (gimple, tree);
847 gimple gimple_copy (gimple);
848 bool is_gimple_operand (const_tree);
849 void gimple_set_modified (gimple, bool);
850 void gimple_cond_get_ops_from_tree (tree, enum tree_code *, tree *, tree *);
851 gimple gimple_build_cond_from_tree (tree, tree, tree);
852 void gimple_cond_set_condition_from_tree (gimple, tree);
853 bool gimple_has_side_effects (const_gimple);
854 bool gimple_rhs_has_side_effects (const_gimple);
855 bool gimple_could_trap_p (gimple);
856 bool gimple_assign_rhs_could_trap_p (gimple);
857 void gimple_regimplify_operands (gimple, gimple_stmt_iterator *);
858 bool empty_body_p (gimple_seq);
859 unsigned get_gimple_rhs_num_ops (enum tree_code);
860 #define gimple_alloc(c, n) gimple_alloc_stat (c, n MEM_STAT_INFO)
861 gimple gimple_alloc_stat (enum gimple_code, unsigned MEM_STAT_DECL);
862 const char *gimple_decl_printable_name (tree, int);
863 tree gimple_fold_obj_type_ref (tree, tree);
865 /* Returns true iff T is a valid GIMPLE statement. */
866 extern bool is_gimple_stmt (tree);
868 /* Returns true iff TYPE is a valid type for a scalar register variable. */
869 extern bool is_gimple_reg_type (tree);
870 /* Returns true iff T is a scalar register variable. */
871 extern bool is_gimple_reg (tree);
872 /* Returns true iff T is any sort of variable. */
873 extern bool is_gimple_variable (tree);
874 /* Returns true iff T is any sort of symbol. */
875 extern bool is_gimple_id (tree);
876 /* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */
877 extern bool is_gimple_min_lval (tree);
878 /* Returns true iff T is something whose address can be taken. */
879 extern bool is_gimple_addressable (tree);
880 /* Returns true iff T is any valid GIMPLE lvalue. */
881 extern bool is_gimple_lvalue (tree);
883 /* Returns true iff T is a GIMPLE address. */
884 bool is_gimple_address (const_tree);
885 /* Returns true iff T is a GIMPLE invariant address. */
886 bool is_gimple_invariant_address (const_tree);
887 /* Returns true iff T is a GIMPLE invariant address at interprocedural
889 bool is_gimple_ip_invariant_address (const_tree);
890 /* Returns true iff T is a valid GIMPLE constant. */
891 bool is_gimple_constant (const_tree);
892 /* Returns true iff T is a GIMPLE restricted function invariant. */
893 extern bool is_gimple_min_invariant (const_tree);
894 /* Returns true iff T is a GIMPLE restricted interprecodural invariant. */
895 extern bool is_gimple_ip_invariant (const_tree);
896 /* Returns true iff T is a GIMPLE rvalue. */
897 extern bool is_gimple_val (tree);
898 /* Returns true iff T is a GIMPLE asm statement input. */
899 extern bool is_gimple_asm_val (tree);
900 /* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a
901 GIMPLE temporary, a renamed user variable, or something else,
903 extern bool is_gimple_reg_rhs (tree);
904 extern bool is_gimple_mem_rhs (tree);
906 /* Returns true iff T is a valid if-statement condition. */
907 extern bool is_gimple_condexpr (tree);
909 /* Returns true iff T is a type conversion. */
910 extern bool is_gimple_cast (tree);
911 /* Returns true iff T is a variable that does not need to live in memory. */
912 extern bool is_gimple_non_addressable (tree t);
914 /* Returns true iff T is a valid call address expression. */
915 extern bool is_gimple_call_addr (tree);
916 /* If T makes a function call, returns the CALL_EXPR operand. */
917 extern tree get_call_expr_in (tree t);
919 extern void recalculate_side_effects (tree);
920 extern tree gimple_register_type (tree);
921 extern void print_gimple_types_stats (void);
922 extern void free_gimple_type_tables (void);
923 extern tree gimple_unsigned_type (tree);
924 extern tree gimple_signed_type (tree);
925 extern alias_set_type gimple_get_alias_set (tree);
926 extern void count_uses_and_derefs (tree, gimple, unsigned *, unsigned *,
928 extern bool walk_stmt_load_store_addr_ops (gimple, void *,
929 bool (*)(gimple, tree, void *),
930 bool (*)(gimple, tree, void *),
931 bool (*)(gimple, tree, void *));
932 extern bool walk_stmt_load_store_ops (gimple, void *,
933 bool (*)(gimple, tree, void *),
934 bool (*)(gimple, tree, void *));
935 extern bool gimple_ior_addresses_taken (bitmap, gimple);
938 extern tree create_tmp_var_raw (tree, const char *);
939 extern tree create_tmp_var_name (const char *);
940 extern tree create_tmp_var (tree, const char *);
941 extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *);
942 extern tree get_formal_tmp_var (tree, gimple_seq *);
943 extern void declare_vars (tree, gimple, bool);
944 extern void annotate_all_with_location (gimple_seq, location_t);
946 /* Validation of GIMPLE expressions. Note that these predicates only check
947 the basic form of the expression, they don't recurse to make sure that
948 underlying nodes are also of the right form. */
949 typedef bool (*gimple_predicate)(tree);
952 /* FIXME we should deduce this from the predicate. */
954 fb_none = 0, /* Do not generate a temporary. */
956 fb_rvalue = 1, /* Generate an rvalue to hold the result of a
957 gimplified expression. */
959 fb_lvalue = 2, /* Generate an lvalue to hold the result of a
960 gimplified expression. */
962 fb_mayfail = 4, /* Gimplification may fail. Error issued
964 fb_either= fb_rvalue | fb_lvalue
967 typedef int fallback_t;
969 enum gimplify_status {
970 GS_ERROR = -2, /* Something Bad Seen. */
971 GS_UNHANDLED = -1, /* A langhook result for "I dunno". */
972 GS_OK = 0, /* We did something, maybe more to do. */
973 GS_ALL_DONE = 1 /* The expression is fully gimplified. */
978 struct gimplify_ctx *prev_context;
980 VEC(gimple,heap) *bind_expr_stack;
982 gimple_seq conditional_cleanups;
986 VEC(tree,heap) *case_labels;
987 /* The formal temporary table. Should this be persistent? */
993 bool allow_rhs_cond_expr;
996 extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *,
997 bool (*) (tree), fallback_t);
998 extern void gimplify_type_sizes (tree, gimple_seq *);
999 extern void gimplify_one_sizepos (tree *, gimple_seq *);
1000 extern bool gimplify_stmt (tree *, gimple_seq *);
1001 extern gimple gimplify_body (tree *, tree, bool);
1002 extern void push_gimplify_context (struct gimplify_ctx *);
1003 extern void pop_gimplify_context (gimple);
1004 extern void gimplify_and_add (tree, gimple_seq *);
1006 /* Miscellaneous helpers. */
1007 extern void gimple_add_tmp_var (tree);
1008 extern gimple gimple_current_bind_expr (void);
1009 extern VEC(gimple, heap) *gimple_bind_expr_stack (void);
1010 extern tree voidify_wrapper_expr (tree, tree);
1011 extern tree build_and_jump (tree *);
1012 extern tree alloc_stmt_list (void);
1013 extern void free_stmt_list (tree);
1014 extern tree force_labels_r (tree *, int *, void *);
1015 extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *,
1017 struct gimplify_omp_ctx;
1018 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree);
1019 extern tree gimple_boolify (tree);
1020 extern gimple_predicate rhs_predicate_for (tree);
1021 extern tree canonicalize_cond_expr_cond (tree);
1024 extern tree omp_reduction_init (tree, tree);
1026 /* In tree-nested.c. */
1027 extern void lower_nested_functions (tree);
1028 extern void insert_field_into_struct (tree, tree);
1030 /* In gimplify.c. */
1031 extern void gimplify_function_tree (tree);
1033 /* In cfgexpand.c. */
1034 extern tree gimple_assign_rhs_to_tree (gimple);
1037 extern bool validate_gimple_arglist (const_gimple, ...);
1040 extern bool tree_ssa_useless_type_conversion (tree);
1041 extern tree tree_ssa_strip_useless_type_conversions (tree);
1042 extern bool useless_type_conversion_p (tree, tree);
1043 extern bool types_compatible_p (tree, tree);
1045 /* Return the code for GIMPLE statement G. */
1047 static inline enum gimple_code
1048 gimple_code (const_gimple g)
1050 return g->gsbase.code;
1054 /* Return the GSS code used by a GIMPLE code. */
1056 static inline enum gimple_statement_structure_enum
1057 gss_for_code (enum gimple_code code)
1059 gcc_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE);
1060 return gss_for_code_[code];
1064 /* Return which GSS code is used by GS. */
1066 static inline enum gimple_statement_structure_enum
1067 gimple_statement_structure (gimple gs)
1069 return gss_for_code (gimple_code (gs));
1073 /* Return true if statement G has sub-statements. This is only true for
1074 High GIMPLE statements. */
1077 gimple_has_substatements (gimple g)
1079 switch (gimple_code (g))
1083 case GIMPLE_EH_FILTER:
1085 case GIMPLE_OMP_FOR:
1086 case GIMPLE_OMP_MASTER:
1087 case GIMPLE_OMP_ORDERED:
1088 case GIMPLE_OMP_SECTION:
1089 case GIMPLE_OMP_PARALLEL:
1090 case GIMPLE_OMP_TASK:
1091 case GIMPLE_OMP_SECTIONS:
1092 case GIMPLE_OMP_SINGLE:
1093 case GIMPLE_OMP_CRITICAL:
1094 case GIMPLE_WITH_CLEANUP_EXPR:
1103 /* Return the basic block holding statement G. */
1105 static inline struct basic_block_def *
1106 gimple_bb (const_gimple g)
1108 return g->gsbase.bb;
1112 /* Return the lexical scope block holding statement G. */
1115 gimple_block (const_gimple g)
1117 return g->gsbase.block;
1121 /* Set BLOCK to be the lexical scope block holding statement G. */
1124 gimple_set_block (gimple g, tree block)
1126 g->gsbase.block = block;
1130 /* Return location information for statement G. */
1132 static inline location_t
1133 gimple_location (const_gimple g)
1135 return g->gsbase.location;
1138 /* Return pointer to location information for statement G. */
1140 static inline const location_t *
1141 gimple_location_ptr (const_gimple g)
1143 return &g->gsbase.location;
1147 /* Set location information for statement G. */
1150 gimple_set_location (gimple g, location_t location)
1152 g->gsbase.location = location;
1156 /* Return true if G contains location information. */
1159 gimple_has_location (const_gimple g)
1161 return gimple_location (g) != UNKNOWN_LOCATION;
1165 /* Return the file name of the location of STMT. */
1167 static inline const char *
1168 gimple_filename (const_gimple stmt)
1170 return LOCATION_FILE (gimple_location (stmt));
1174 /* Return the line number of the location of STMT. */
1177 gimple_lineno (const_gimple stmt)
1179 return LOCATION_LINE (gimple_location (stmt));
1183 /* Determine whether SEQ is a singleton. */
1186 gimple_seq_singleton_p (gimple_seq seq)
1188 return ((gimple_seq_first (seq) != NULL)
1189 && (gimple_seq_first (seq) == gimple_seq_last (seq)));
1192 /* Return true if no warnings should be emitted for statement STMT. */
1195 gimple_no_warning_p (const_gimple stmt)
1197 return stmt->gsbase.no_warning;
1200 /* Set the no_warning flag of STMT to NO_WARNING. */
1203 gimple_set_no_warning (gimple stmt, bool no_warning)
1205 stmt->gsbase.no_warning = (unsigned) no_warning;
1208 /* Set the visited status on statement STMT to VISITED_P. */
1211 gimple_set_visited (gimple stmt, bool visited_p)
1213 stmt->gsbase.visited = (unsigned) visited_p;
1217 /* Return the visited status for statement STMT. */
1220 gimple_visited_p (gimple stmt)
1222 return stmt->gsbase.visited;
1226 /* Set pass local flag PLF on statement STMT to VAL_P. */
1229 gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p)
1232 stmt->gsbase.plf |= (unsigned int) plf;
1234 stmt->gsbase.plf &= ~((unsigned int) plf);
1238 /* Return the value of pass local flag PLF on statement STMT. */
1240 static inline unsigned int
1241 gimple_plf (gimple stmt, enum plf_mask plf)
1243 return stmt->gsbase.plf & ((unsigned int) plf);
1247 /* Set the UID of statement. */
1250 gimple_set_uid (gimple g, unsigned uid)
1252 g->gsbase.uid = uid;
1256 /* Return the UID of statement. */
1258 static inline unsigned
1259 gimple_uid (const_gimple g)
1261 return g->gsbase.uid;
1265 /* Return true if GIMPLE statement G has register or memory operands. */
1268 gimple_has_ops (const_gimple g)
1270 return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN;
1274 /* Return true if GIMPLE statement G has memory operands. */
1277 gimple_has_mem_ops (const_gimple g)
1279 return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN;
1283 /* Return the set of DEF operands for statement G. */
1285 static inline struct def_optype_d *
1286 gimple_def_ops (const_gimple g)
1288 if (!gimple_has_ops (g))
1290 return g->gsops.opbase.def_ops;
1294 /* Set DEF to be the set of DEF operands for statement G. */
1297 gimple_set_def_ops (gimple g, struct def_optype_d *def)
1299 gcc_assert (gimple_has_ops (g));
1300 g->gsops.opbase.def_ops = def;
1304 /* Return the set of USE operands for statement G. */
1306 static inline struct use_optype_d *
1307 gimple_use_ops (const_gimple g)
1309 if (!gimple_has_ops (g))
1311 return g->gsops.opbase.use_ops;
1315 /* Set USE to be the set of USE operands for statement G. */
1318 gimple_set_use_ops (gimple g, struct use_optype_d *use)
1320 gcc_assert (gimple_has_ops (g));
1321 g->gsops.opbase.use_ops = use;
1325 /* Return the set of VUSE operand for statement G. */
1327 static inline use_operand_p
1328 gimple_vuse_op (const_gimple g)
1330 struct use_optype_d *ops;
1331 if (!gimple_has_mem_ops (g))
1332 return NULL_USE_OPERAND_P;
1333 ops = g->gsops.opbase.use_ops;
1335 && USE_OP_PTR (ops)->use == &g->gsmembase.vuse)
1336 return USE_OP_PTR (ops);
1337 return NULL_USE_OPERAND_P;
1340 /* Return the set of VDEF operand for statement G. */
1342 static inline def_operand_p
1343 gimple_vdef_op (const_gimple g)
1345 struct def_optype_d *ops;
1346 if (!gimple_has_mem_ops (g))
1347 return NULL_DEF_OPERAND_P;
1348 ops = g->gsops.opbase.def_ops;
1350 && DEF_OP_PTR (ops) == &g->gsmembase.vdef)
1351 return DEF_OP_PTR (ops);
1352 return NULL_DEF_OPERAND_P;
1356 /* Return the single VUSE operand of the statement G. */
1359 gimple_vuse (const_gimple g)
1361 if (!gimple_has_mem_ops (g))
1363 return g->gsmembase.vuse;
1366 /* Return the single VDEF operand of the statement G. */
1369 gimple_vdef (const_gimple g)
1371 if (!gimple_has_mem_ops (g))
1373 return g->gsmembase.vdef;
1376 /* Return the single VUSE operand of the statement G. */
1378 static inline tree *
1379 gimple_vuse_ptr (gimple g)
1381 if (!gimple_has_mem_ops (g))
1383 return &g->gsmembase.vuse;
1386 /* Return the single VDEF operand of the statement G. */
1388 static inline tree *
1389 gimple_vdef_ptr (gimple g)
1391 if (!gimple_has_mem_ops (g))
1393 return &g->gsmembase.vdef;
1396 /* Set the single VUSE operand of the statement G. */
1399 gimple_set_vuse (gimple g, tree vuse)
1401 gcc_assert (gimple_has_mem_ops (g));
1402 g->gsmembase.vuse = vuse;
1405 /* Set the single VDEF operand of the statement G. */
1408 gimple_set_vdef (gimple g, tree vdef)
1410 gcc_assert (gimple_has_mem_ops (g));
1411 g->gsmembase.vdef = vdef;
1415 /* Return true if statement G has operands and the modified field has
1419 gimple_modified_p (const_gimple g)
1421 return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false;
1425 /* Return the tree code for the expression computed by STMT. This is
1426 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For
1427 GIMPLE_CALL, return CALL_EXPR as the expression code for
1428 consistency. This is useful when the caller needs to deal with the
1429 three kinds of computation that GIMPLE supports. */
1431 static inline enum tree_code
1432 gimple_expr_code (const_gimple stmt)
1434 enum gimple_code code = gimple_code (stmt);
1435 if (code == GIMPLE_ASSIGN || code == GIMPLE_COND)
1436 return (enum tree_code) stmt->gsbase.subcode;
1437 else if (code == GIMPLE_CALL)
1444 /* Mark statement S as modified, and update it. */
1447 update_stmt (gimple s)
1449 if (gimple_has_ops (s))
1451 gimple_set_modified (s, true);
1452 update_stmt_operands (s);
1456 /* Update statement S if it has been optimized. */
1459 update_stmt_if_modified (gimple s)
1461 if (gimple_modified_p (s))
1462 update_stmt_operands (s);
1465 /* Return true if statement STMT contains volatile operands. */
1468 gimple_has_volatile_ops (const_gimple stmt)
1470 if (gimple_has_mem_ops (stmt))
1471 return stmt->gsbase.has_volatile_ops;
1477 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */
1480 gimple_set_has_volatile_ops (gimple stmt, bool volatilep)
1482 if (gimple_has_mem_ops (stmt))
1483 stmt->gsbase.has_volatile_ops = (unsigned) volatilep;
1487 /* Return true if statement STMT may access memory. */
1490 gimple_references_memory_p (gimple stmt)
1492 return gimple_has_mem_ops (stmt) && gimple_vuse (stmt);
1496 /* Return the subcode for OMP statement S. */
1498 static inline unsigned
1499 gimple_omp_subcode (const_gimple s)
1501 gcc_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD
1502 && gimple_code (s) <= GIMPLE_OMP_SINGLE);
1503 return s->gsbase.subcode;
1506 /* Set the subcode for OMP statement S to SUBCODE. */
1509 gimple_omp_set_subcode (gimple s, unsigned int subcode)
1511 /* We only have 16 bits for the subcode. Assert that we are not
1513 gcc_assert (subcode < (1 << 16));
1514 s->gsbase.subcode = subcode;
1517 /* Set the nowait flag on OMP_RETURN statement S. */
1520 gimple_omp_return_set_nowait (gimple s)
1522 GIMPLE_CHECK (s, GIMPLE_OMP_RETURN);
1523 s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT;
1527 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT
1531 gimple_omp_return_nowait_p (const_gimple g)
1533 GIMPLE_CHECK (g, GIMPLE_OMP_RETURN);
1534 return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0;
1538 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST
1542 gimple_omp_section_last_p (const_gimple g)
1544 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1545 return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0;
1549 /* Set the GF_OMP_SECTION_LAST flag on G. */
1552 gimple_omp_section_set_last (gimple g)
1554 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1555 g->gsbase.subcode |= GF_OMP_SECTION_LAST;
1559 /* Return true if OMP parallel statement G has the
1560 GF_OMP_PARALLEL_COMBINED flag set. */
1563 gimple_omp_parallel_combined_p (const_gimple g)
1565 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1566 return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0;
1570 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean
1571 value of COMBINED_P. */
1574 gimple_omp_parallel_set_combined_p (gimple g, bool combined_p)
1576 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1578 g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED;
1580 g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED;
1584 /* Return the number of operands for statement GS. */
1586 static inline unsigned
1587 gimple_num_ops (const_gimple gs)
1589 return gs->gsbase.num_ops;
1593 /* Set the number of operands for statement GS. */
1596 gimple_set_num_ops (gimple gs, unsigned num_ops)
1598 gs->gsbase.num_ops = num_ops;
1602 /* Return the array of operands for statement GS. */
1604 static inline tree *
1605 gimple_ops (gimple gs)
1609 /* All the tuples have their operand vector at the very bottom
1610 of the structure. Note that those structures that do not
1611 have an operand vector have a zero offset. */
1612 off = gimple_ops_offset_[gimple_statement_structure (gs)];
1613 gcc_assert (off != 0);
1615 return (tree *) ((char *) gs + off);
1619 /* Return operand I for statement GS. */
1622 gimple_op (const_gimple gs, unsigned i)
1624 if (gimple_has_ops (gs))
1626 gcc_assert (i < gimple_num_ops (gs));
1627 return gimple_ops (CONST_CAST_GIMPLE (gs))[i];
1633 /* Return a pointer to operand I for statement GS. */
1635 static inline tree *
1636 gimple_op_ptr (const_gimple gs, unsigned i)
1638 if (gimple_has_ops (gs))
1640 gcc_assert (i < gimple_num_ops (gs));
1641 return gimple_ops (CONST_CAST_GIMPLE (gs)) + i;
1647 /* Set operand I of statement GS to OP. */
1650 gimple_set_op (gimple gs, unsigned i, tree op)
1652 gcc_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs));
1654 /* Note. It may be tempting to assert that OP matches
1655 is_gimple_operand, but that would be wrong. Different tuples
1656 accept slightly different sets of tree operands. Each caller
1657 should perform its own validation. */
1658 gimple_ops (gs)[i] = op;
1661 /* Return true if GS is a GIMPLE_ASSIGN. */
1664 is_gimple_assign (const_gimple gs)
1666 return gimple_code (gs) == GIMPLE_ASSIGN;
1669 /* Determine if expression CODE is one of the valid expressions that can
1670 be used on the RHS of GIMPLE assignments. */
1672 static inline enum gimple_rhs_class
1673 get_gimple_rhs_class (enum tree_code code)
1675 return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code];
1678 /* Return the LHS of assignment statement GS. */
1681 gimple_assign_lhs (const_gimple gs)
1683 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1684 return gimple_op (gs, 0);
1688 /* Return a pointer to the LHS of assignment statement GS. */
1690 static inline tree *
1691 gimple_assign_lhs_ptr (const_gimple gs)
1693 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1694 return gimple_op_ptr (gs, 0);
1698 /* Set LHS to be the LHS operand of assignment statement GS. */
1701 gimple_assign_set_lhs (gimple gs, tree lhs)
1703 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1704 gcc_assert (is_gimple_operand (lhs));
1705 gimple_set_op (gs, 0, lhs);
1707 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1708 SSA_NAME_DEF_STMT (lhs) = gs;
1712 /* Return the first operand on the RHS of assignment statement GS. */
1715 gimple_assign_rhs1 (const_gimple gs)
1717 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1718 return gimple_op (gs, 1);
1722 /* Return a pointer to the first operand on the RHS of assignment
1725 static inline tree *
1726 gimple_assign_rhs1_ptr (const_gimple gs)
1728 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1729 return gimple_op_ptr (gs, 1);
1732 /* Set RHS to be the first operand on the RHS of assignment statement GS. */
1735 gimple_assign_set_rhs1 (gimple gs, tree rhs)
1737 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1739 /* If there are 3 or more operands, the 2 operands on the RHS must be
1741 if (gimple_num_ops (gs) >= 3)
1742 gcc_assert (is_gimple_val (rhs));
1744 gcc_assert (is_gimple_operand (rhs));
1746 gimple_set_op (gs, 1, rhs);
1750 /* Return the second operand on the RHS of assignment statement GS.
1751 If GS does not have two operands, NULL is returned instead. */
1754 gimple_assign_rhs2 (const_gimple gs)
1756 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1758 if (gimple_num_ops (gs) >= 3)
1759 return gimple_op (gs, 2);
1765 /* Return a pointer to the second operand on the RHS of assignment
1768 static inline tree *
1769 gimple_assign_rhs2_ptr (const_gimple gs)
1771 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1772 return gimple_op_ptr (gs, 2);
1776 /* Set RHS to be the second operand on the RHS of assignment statement GS. */
1779 gimple_assign_set_rhs2 (gimple gs, tree rhs)
1781 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1783 /* The 2 operands on the RHS must be GIMPLE values. */
1784 gcc_assert (is_gimple_val (rhs));
1786 gimple_set_op (gs, 2, rhs);
1789 /* Returns true if GS is a nontemporal move. */
1792 gimple_assign_nontemporal_move_p (const_gimple gs)
1794 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1795 return gs->gsbase.nontemporal_move;
1798 /* Sets nontemporal move flag of GS to NONTEMPORAL. */
1801 gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal)
1803 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1804 gs->gsbase.nontemporal_move = nontemporal;
1808 /* Return the code of the expression computed on the rhs of assignment
1809 statement GS. In case that the RHS is a single object, returns the
1810 tree code of the object. */
1812 static inline enum tree_code
1813 gimple_assign_rhs_code (const_gimple gs)
1815 enum tree_code code;
1816 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1818 code = gimple_expr_code (gs);
1819 if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS)
1820 code = TREE_CODE (gimple_assign_rhs1 (gs));
1826 /* Set CODE to be the code for the expression computed on the RHS of
1830 gimple_assign_set_rhs_code (gimple s, enum tree_code code)
1832 GIMPLE_CHECK (s, GIMPLE_ASSIGN);
1833 s->gsbase.subcode = code;
1837 /* Return the gimple rhs class of the code of the expression computed on
1838 the rhs of assignment statement GS.
1839 This will never return GIMPLE_INVALID_RHS. */
1841 static inline enum gimple_rhs_class
1842 gimple_assign_rhs_class (const_gimple gs)
1844 return get_gimple_rhs_class (gimple_assign_rhs_code (gs));
1848 /* Return true if S is a type-cast assignment. */
1851 gimple_assign_cast_p (gimple s)
1853 if (is_gimple_assign (s))
1855 enum tree_code sc = gimple_assign_rhs_code (s);
1856 return CONVERT_EXPR_CODE_P (sc)
1857 || sc == VIEW_CONVERT_EXPR
1858 || sc == FIX_TRUNC_EXPR;
1865 /* Return true if GS is a GIMPLE_CALL. */
1868 is_gimple_call (const_gimple gs)
1870 return gimple_code (gs) == GIMPLE_CALL;
1873 /* Return the LHS of call statement GS. */
1876 gimple_call_lhs (const_gimple gs)
1878 GIMPLE_CHECK (gs, GIMPLE_CALL);
1879 return gimple_op (gs, 0);
1883 /* Return a pointer to the LHS of call statement GS. */
1885 static inline tree *
1886 gimple_call_lhs_ptr (const_gimple gs)
1888 GIMPLE_CHECK (gs, GIMPLE_CALL);
1889 return gimple_op_ptr (gs, 0);
1893 /* Set LHS to be the LHS operand of call statement GS. */
1896 gimple_call_set_lhs (gimple gs, tree lhs)
1898 GIMPLE_CHECK (gs, GIMPLE_CALL);
1899 gcc_assert (!lhs || is_gimple_operand (lhs));
1900 gimple_set_op (gs, 0, lhs);
1901 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1902 SSA_NAME_DEF_STMT (lhs) = gs;
1906 /* Return the tree node representing the function called by call
1910 gimple_call_fn (const_gimple gs)
1912 GIMPLE_CHECK (gs, GIMPLE_CALL);
1913 return gimple_op (gs, 1);
1917 /* Return a pointer to the tree node representing the function called by call
1920 static inline tree *
1921 gimple_call_fn_ptr (const_gimple gs)
1923 GIMPLE_CHECK (gs, GIMPLE_CALL);
1924 return gimple_op_ptr (gs, 1);
1928 /* Set FN to be the function called by call statement GS. */
1931 gimple_call_set_fn (gimple gs, tree fn)
1933 GIMPLE_CHECK (gs, GIMPLE_CALL);
1934 gcc_assert (is_gimple_operand (fn));
1935 gimple_set_op (gs, 1, fn);
1939 /* Set FNDECL to be the function called by call statement GS. */
1942 gimple_call_set_fndecl (gimple gs, tree decl)
1944 GIMPLE_CHECK (gs, GIMPLE_CALL);
1945 gcc_assert (TREE_CODE (decl) == FUNCTION_DECL);
1946 gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl));
1950 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it.
1951 Otherwise return NULL. This function is analogous to
1952 get_callee_fndecl in tree land. */
1955 gimple_call_fndecl (const_gimple gs)
1957 tree addr = gimple_call_fn (gs);
1958 if (TREE_CODE (addr) == ADDR_EXPR)
1960 gcc_assert (TREE_CODE (TREE_OPERAND (addr, 0)) == FUNCTION_DECL);
1961 return TREE_OPERAND (addr, 0);
1967 /* Return the type returned by call statement GS. */
1970 gimple_call_return_type (const_gimple gs)
1972 tree fn = gimple_call_fn (gs);
1973 tree type = TREE_TYPE (fn);
1975 /* See through the pointer. */
1976 gcc_assert (POINTER_TYPE_P (type));
1977 type = TREE_TYPE (type);
1979 gcc_assert (TREE_CODE (type) == FUNCTION_TYPE
1980 || TREE_CODE (type) == METHOD_TYPE);
1982 /* The type returned by a FUNCTION_DECL is the type of its
1984 return TREE_TYPE (type);
1988 /* Return the static chain for call statement GS. */
1991 gimple_call_chain (const_gimple gs)
1993 GIMPLE_CHECK (gs, GIMPLE_CALL);
1994 return gimple_op (gs, 2);
1998 /* Return a pointer to the static chain for call statement GS. */
2000 static inline tree *
2001 gimple_call_chain_ptr (const_gimple gs)
2003 GIMPLE_CHECK (gs, GIMPLE_CALL);
2004 return gimple_op_ptr (gs, 2);
2007 /* Set CHAIN to be the static chain for call statement GS. */
2010 gimple_call_set_chain (gimple gs, tree chain)
2012 GIMPLE_CHECK (gs, GIMPLE_CALL);
2013 gcc_assert (chain == NULL
2014 || TREE_CODE (chain) == ADDR_EXPR
2015 || SSA_VAR_P (chain));
2016 gimple_set_op (gs, 2, chain);
2020 /* Return the number of arguments used by call statement GS. */
2022 static inline unsigned
2023 gimple_call_num_args (const_gimple gs)
2026 GIMPLE_CHECK (gs, GIMPLE_CALL);
2027 num_ops = gimple_num_ops (gs);
2028 gcc_assert (num_ops >= 3);
2033 /* Return the argument at position INDEX for call statement GS. */
2036 gimple_call_arg (const_gimple gs, unsigned index)
2038 GIMPLE_CHECK (gs, GIMPLE_CALL);
2039 return gimple_op (gs, index + 3);
2043 /* Return a pointer to the argument at position INDEX for call
2046 static inline tree *
2047 gimple_call_arg_ptr (const_gimple gs, unsigned index)
2049 GIMPLE_CHECK (gs, GIMPLE_CALL);
2050 return gimple_op_ptr (gs, index + 3);
2054 /* Set ARG to be the argument at position INDEX for call statement GS. */
2057 gimple_call_set_arg (gimple gs, unsigned index, tree arg)
2059 GIMPLE_CHECK (gs, GIMPLE_CALL);
2060 gcc_assert (is_gimple_operand (arg));
2061 gimple_set_op (gs, index + 3, arg);
2065 /* If TAIL_P is true, mark call statement S as being a tail call
2066 (i.e., a call just before the exit of a function). These calls are
2067 candidate for tail call optimization. */
2070 gimple_call_set_tail (gimple s, bool tail_p)
2072 GIMPLE_CHECK (s, GIMPLE_CALL);
2074 s->gsbase.subcode |= GF_CALL_TAILCALL;
2076 s->gsbase.subcode &= ~GF_CALL_TAILCALL;
2080 /* Return true if GIMPLE_CALL S is marked as a tail call. */
2083 gimple_call_tail_p (gimple s)
2085 GIMPLE_CHECK (s, GIMPLE_CALL);
2086 return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0;
2090 /* Set the inlinable status of GIMPLE_CALL S to INLINABLE_P. */
2093 gimple_call_set_cannot_inline (gimple s, bool inlinable_p)
2095 GIMPLE_CHECK (s, GIMPLE_CALL);
2097 s->gsbase.subcode |= GF_CALL_CANNOT_INLINE;
2099 s->gsbase.subcode &= ~GF_CALL_CANNOT_INLINE;
2103 /* Return true if GIMPLE_CALL S cannot be inlined. */
2106 gimple_call_cannot_inline_p (gimple s)
2108 GIMPLE_CHECK (s, GIMPLE_CALL);
2109 return (s->gsbase.subcode & GF_CALL_CANNOT_INLINE) != 0;
2113 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return
2114 slot optimization. This transformation uses the target of the call
2115 expansion as the return slot for calls that return in memory. */
2118 gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p)
2120 GIMPLE_CHECK (s, GIMPLE_CALL);
2121 if (return_slot_opt_p)
2122 s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT;
2124 s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT;
2128 /* Return true if S is marked for return slot optimization. */
2131 gimple_call_return_slot_opt_p (gimple s)
2133 GIMPLE_CHECK (s, GIMPLE_CALL);
2134 return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0;
2138 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a
2139 thunk to the thunked-to function. */
2142 gimple_call_set_from_thunk (gimple s, bool from_thunk_p)
2144 GIMPLE_CHECK (s, GIMPLE_CALL);
2146 s->gsbase.subcode |= GF_CALL_FROM_THUNK;
2148 s->gsbase.subcode &= ~GF_CALL_FROM_THUNK;
2152 /* Return true if GIMPLE_CALL S is a jump from a thunk. */
2155 gimple_call_from_thunk_p (gimple s)
2157 GIMPLE_CHECK (s, GIMPLE_CALL);
2158 return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0;
2162 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the
2163 argument pack in its argument list. */
2166 gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p)
2168 GIMPLE_CHECK (s, GIMPLE_CALL);
2169 if (pass_arg_pack_p)
2170 s->gsbase.subcode |= GF_CALL_VA_ARG_PACK;
2172 s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK;
2176 /* Return true if GIMPLE_CALL S is a stdarg call that needs the
2177 argument pack in its argument list. */
2180 gimple_call_va_arg_pack_p (gimple s)
2182 GIMPLE_CHECK (s, GIMPLE_CALL);
2183 return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0;
2187 /* Return true if S is a noreturn call. */
2190 gimple_call_noreturn_p (gimple s)
2192 GIMPLE_CHECK (s, GIMPLE_CALL);
2193 return (gimple_call_flags (s) & ECF_NORETURN) != 0;
2197 /* Return true if S is a nothrow call. */
2200 gimple_call_nothrow_p (gimple s)
2202 GIMPLE_CHECK (s, GIMPLE_CALL);
2203 return (gimple_call_flags (s) & ECF_NOTHROW) != 0;
2207 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */
2210 gimple_call_copy_flags (gimple dest_call, gimple orig_call)
2212 GIMPLE_CHECK (dest_call, GIMPLE_CALL);
2213 GIMPLE_CHECK (orig_call, GIMPLE_CALL);
2214 dest_call->gsbase.subcode = orig_call->gsbase.subcode;
2218 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a
2222 gimple_has_lhs (gimple stmt)
2224 return (is_gimple_assign (stmt)
2225 || (is_gimple_call (stmt)
2226 && gimple_call_lhs (stmt) != NULL_TREE));
2230 /* Return the code of the predicate computed by conditional statement GS. */
2232 static inline enum tree_code
2233 gimple_cond_code (const_gimple gs)
2235 GIMPLE_CHECK (gs, GIMPLE_COND);
2236 return (enum tree_code) gs->gsbase.subcode;
2240 /* Set CODE to be the predicate code for the conditional statement GS. */
2243 gimple_cond_set_code (gimple gs, enum tree_code code)
2245 GIMPLE_CHECK (gs, GIMPLE_COND);
2246 gcc_assert (TREE_CODE_CLASS (code) == tcc_comparison);
2247 gs->gsbase.subcode = code;
2251 /* Return the LHS of the predicate computed by conditional statement GS. */
2254 gimple_cond_lhs (const_gimple gs)
2256 GIMPLE_CHECK (gs, GIMPLE_COND);
2257 return gimple_op (gs, 0);
2260 /* Return the pointer to the LHS of the predicate computed by conditional
2263 static inline tree *
2264 gimple_cond_lhs_ptr (const_gimple gs)
2266 GIMPLE_CHECK (gs, GIMPLE_COND);
2267 return gimple_op_ptr (gs, 0);
2270 /* Set LHS to be the LHS operand of the predicate computed by
2271 conditional statement GS. */
2274 gimple_cond_set_lhs (gimple gs, tree lhs)
2276 GIMPLE_CHECK (gs, GIMPLE_COND);
2277 gcc_assert (is_gimple_operand (lhs));
2278 gimple_set_op (gs, 0, lhs);
2282 /* Return the RHS operand of the predicate computed by conditional GS. */
2285 gimple_cond_rhs (const_gimple gs)
2287 GIMPLE_CHECK (gs, GIMPLE_COND);
2288 return gimple_op (gs, 1);
2291 /* Return the pointer to the RHS operand of the predicate computed by
2294 static inline tree *
2295 gimple_cond_rhs_ptr (const_gimple gs)
2297 GIMPLE_CHECK (gs, GIMPLE_COND);
2298 return gimple_op_ptr (gs, 1);
2302 /* Set RHS to be the RHS operand of the predicate computed by
2303 conditional statement GS. */
2306 gimple_cond_set_rhs (gimple gs, tree rhs)
2308 GIMPLE_CHECK (gs, GIMPLE_COND);
2309 gcc_assert (is_gimple_operand (rhs));
2310 gimple_set_op (gs, 1, rhs);
2314 /* Return the label used by conditional statement GS when its
2315 predicate evaluates to true. */
2318 gimple_cond_true_label (const_gimple gs)
2320 GIMPLE_CHECK (gs, GIMPLE_COND);
2321 return gimple_op (gs, 2);
2325 /* Set LABEL to be the label used by conditional statement GS when its
2326 predicate evaluates to true. */
2329 gimple_cond_set_true_label (gimple gs, tree label)
2331 GIMPLE_CHECK (gs, GIMPLE_COND);
2332 gcc_assert (!label || TREE_CODE (label) == LABEL_DECL);
2333 gimple_set_op (gs, 2, label);
2337 /* Set LABEL to be the label used by conditional statement GS when its
2338 predicate evaluates to false. */
2341 gimple_cond_set_false_label (gimple gs, tree label)
2343 GIMPLE_CHECK (gs, GIMPLE_COND);
2344 gcc_assert (!label || TREE_CODE (label) == LABEL_DECL);
2345 gimple_set_op (gs, 3, label);
2349 /* Return the label used by conditional statement GS when its
2350 predicate evaluates to false. */
2353 gimple_cond_false_label (const_gimple gs)
2355 GIMPLE_CHECK (gs, GIMPLE_COND);
2356 return gimple_op (gs, 3);
2360 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */
2363 gimple_cond_make_false (gimple gs)
2365 gimple_cond_set_lhs (gs, boolean_true_node);
2366 gimple_cond_set_rhs (gs, boolean_false_node);
2367 gs->gsbase.subcode = EQ_EXPR;
2371 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */
2374 gimple_cond_make_true (gimple gs)
2376 gimple_cond_set_lhs (gs, boolean_true_node);
2377 gimple_cond_set_rhs (gs, boolean_true_node);
2378 gs->gsbase.subcode = EQ_EXPR;
2381 /* Check if conditional statemente GS is of the form 'if (1 == 1)',
2382 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */
2385 gimple_cond_true_p (const_gimple gs)
2387 tree lhs = gimple_cond_lhs (gs);
2388 tree rhs = gimple_cond_rhs (gs);
2389 enum tree_code code = gimple_cond_code (gs);
2391 if (lhs != boolean_true_node && lhs != boolean_false_node)
2394 if (rhs != boolean_true_node && rhs != boolean_false_node)
2397 if (code == NE_EXPR && lhs != rhs)
2400 if (code == EQ_EXPR && lhs == rhs)
2406 /* Check if conditional statement GS is of the form 'if (1 != 1)',
2407 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */
2410 gimple_cond_false_p (const_gimple gs)
2412 tree lhs = gimple_cond_lhs (gs);
2413 tree rhs = gimple_cond_rhs (gs);
2414 enum tree_code code = gimple_cond_code (gs);
2416 if (lhs != boolean_true_node && lhs != boolean_false_node)
2419 if (rhs != boolean_true_node && rhs != boolean_false_node)
2422 if (code == NE_EXPR && lhs == rhs)
2425 if (code == EQ_EXPR && lhs != rhs)
2431 /* Check if conditional statement GS is of the form 'if (var != 0)' or
2435 gimple_cond_single_var_p (gimple gs)
2437 if (gimple_cond_code (gs) == NE_EXPR
2438 && gimple_cond_rhs (gs) == boolean_false_node)
2441 if (gimple_cond_code (gs) == EQ_EXPR
2442 && gimple_cond_rhs (gs) == boolean_true_node)
2448 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */
2451 gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs)
2453 gimple_cond_set_code (stmt, code);
2454 gimple_cond_set_lhs (stmt, lhs);
2455 gimple_cond_set_rhs (stmt, rhs);
2458 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */
2461 gimple_label_label (const_gimple gs)
2463 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2464 return gimple_op (gs, 0);
2468 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement
2472 gimple_label_set_label (gimple gs, tree label)
2474 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2475 gcc_assert (TREE_CODE (label) == LABEL_DECL);
2476 gimple_set_op (gs, 0, label);
2480 /* Return the destination of the unconditional jump GS. */
2483 gimple_goto_dest (const_gimple gs)
2485 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2486 return gimple_op (gs, 0);
2490 /* Set DEST to be the destination of the unconditonal jump GS. */
2493 gimple_goto_set_dest (gimple gs, tree dest)
2495 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2496 gcc_assert (is_gimple_operand (dest));
2497 gimple_set_op (gs, 0, dest);
2501 /* Return the variables declared in the GIMPLE_BIND statement GS. */
2504 gimple_bind_vars (const_gimple gs)
2506 GIMPLE_CHECK (gs, GIMPLE_BIND);
2507 return gs->gimple_bind.vars;
2511 /* Set VARS to be the set of variables declared in the GIMPLE_BIND
2515 gimple_bind_set_vars (gimple gs, tree vars)
2517 GIMPLE_CHECK (gs, GIMPLE_BIND);
2518 gs->gimple_bind.vars = vars;
2522 /* Append VARS to the set of variables declared in the GIMPLE_BIND
2526 gimple_bind_append_vars (gimple gs, tree vars)
2528 GIMPLE_CHECK (gs, GIMPLE_BIND);
2529 gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars);
2533 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */
2535 static inline gimple_seq
2536 gimple_bind_body (gimple gs)
2538 GIMPLE_CHECK (gs, GIMPLE_BIND);
2539 return gs->gimple_bind.body;
2543 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND
2547 gimple_bind_set_body (gimple gs, gimple_seq seq)
2549 GIMPLE_CHECK (gs, GIMPLE_BIND);
2550 gs->gimple_bind.body = seq;
2554 /* Append a statement to the end of a GIMPLE_BIND's body. */
2557 gimple_bind_add_stmt (gimple gs, gimple stmt)
2559 GIMPLE_CHECK (gs, GIMPLE_BIND);
2560 gimple_seq_add_stmt (&gs->gimple_bind.body, stmt);
2564 /* Append a sequence of statements to the end of a GIMPLE_BIND's body. */
2567 gimple_bind_add_seq (gimple gs, gimple_seq seq)
2569 GIMPLE_CHECK (gs, GIMPLE_BIND);
2570 gimple_seq_add_seq (&gs->gimple_bind.body, seq);
2574 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement
2575 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */
2578 gimple_bind_block (const_gimple gs)
2580 GIMPLE_CHECK (gs, GIMPLE_BIND);
2581 return gs->gimple_bind.block;
2585 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND
2589 gimple_bind_set_block (gimple gs, tree block)
2591 GIMPLE_CHECK (gs, GIMPLE_BIND);
2592 gcc_assert (block == NULL_TREE || TREE_CODE (block) == BLOCK);
2593 gs->gimple_bind.block = block;
2597 /* Return the number of input operands for GIMPLE_ASM GS. */
2599 static inline unsigned
2600 gimple_asm_ninputs (const_gimple gs)
2602 GIMPLE_CHECK (gs, GIMPLE_ASM);
2603 return gs->gimple_asm.ni;
2607 /* Return the number of output operands for GIMPLE_ASM GS. */
2609 static inline unsigned
2610 gimple_asm_noutputs (const_gimple gs)
2612 GIMPLE_CHECK (gs, GIMPLE_ASM);
2613 return gs->gimple_asm.no;
2617 /* Return the number of clobber operands for GIMPLE_ASM GS. */
2619 static inline unsigned
2620 gimple_asm_nclobbers (const_gimple gs)
2622 GIMPLE_CHECK (gs, GIMPLE_ASM);
2623 return gs->gimple_asm.nc;
2626 /* Return the number of label operands for GIMPLE_ASM GS. */
2628 static inline unsigned
2629 gimple_asm_nlabels (const_gimple gs)
2631 GIMPLE_CHECK (gs, GIMPLE_ASM);
2632 return gs->gimple_asm.nl;
2635 /* Return input operand INDEX of GIMPLE_ASM GS. */
2638 gimple_asm_input_op (const_gimple gs, unsigned index)
2640 GIMPLE_CHECK (gs, GIMPLE_ASM);
2641 gcc_assert (index <= gs->gimple_asm.ni);
2642 return gimple_op (gs, index);
2645 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */
2647 static inline tree *
2648 gimple_asm_input_op_ptr (const_gimple gs, unsigned index)
2650 GIMPLE_CHECK (gs, GIMPLE_ASM);
2651 gcc_assert (index <= gs->gimple_asm.ni);
2652 return gimple_op_ptr (gs, index);
2656 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */
2659 gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op)
2661 GIMPLE_CHECK (gs, GIMPLE_ASM);
2662 gcc_assert (index <= gs->gimple_asm.ni);
2663 gcc_assert (TREE_CODE (in_op) == TREE_LIST);
2664 gimple_set_op (gs, index, in_op);
2668 /* Return output operand INDEX of GIMPLE_ASM GS. */
2671 gimple_asm_output_op (const_gimple gs, unsigned index)
2673 GIMPLE_CHECK (gs, GIMPLE_ASM);
2674 gcc_assert (index <= gs->gimple_asm.no);
2675 return gimple_op (gs, index + gs->gimple_asm.ni);
2678 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */
2680 static inline tree *
2681 gimple_asm_output_op_ptr (const_gimple gs, unsigned index)
2683 GIMPLE_CHECK (gs, GIMPLE_ASM);
2684 gcc_assert (index <= gs->gimple_asm.no);
2685 return gimple_op_ptr (gs, index + gs->gimple_asm.ni);
2689 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */
2692 gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op)
2694 GIMPLE_CHECK (gs, GIMPLE_ASM);
2695 gcc_assert (index <= gs->gimple_asm.no);
2696 gcc_assert (TREE_CODE (out_op) == TREE_LIST);
2697 gimple_set_op (gs, index + gs->gimple_asm.ni, out_op);
2701 /* Return clobber operand INDEX of GIMPLE_ASM GS. */
2704 gimple_asm_clobber_op (const_gimple gs, unsigned index)
2706 GIMPLE_CHECK (gs, GIMPLE_ASM);
2707 gcc_assert (index <= gs->gimple_asm.nc);
2708 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no);
2712 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */
2715 gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op)
2717 GIMPLE_CHECK (gs, GIMPLE_ASM);
2718 gcc_assert (index <= gs->gimple_asm.nc);
2719 gcc_assert (TREE_CODE (clobber_op) == TREE_LIST);
2720 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op);
2723 /* Return label operand INDEX of GIMPLE_ASM GS. */
2726 gimple_asm_label_op (const_gimple gs, unsigned index)
2728 GIMPLE_CHECK (gs, GIMPLE_ASM);
2729 gcc_assert (index <= gs->gimple_asm.nl);
2730 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc);
2733 /* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS. */
2736 gimple_asm_set_label_op (gimple gs, unsigned index, tree label_op)
2738 GIMPLE_CHECK (gs, GIMPLE_ASM);
2739 gcc_assert (index <= gs->gimple_asm.nl);
2740 gcc_assert (TREE_CODE (label_op) == TREE_LIST);
2741 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc, label_op);
2744 /* Return the string representing the assembly instruction in
2747 static inline const char *
2748 gimple_asm_string (const_gimple gs)
2750 GIMPLE_CHECK (gs, GIMPLE_ASM);
2751 return gs->gimple_asm.string;
2755 /* Return true if GS is an asm statement marked volatile. */
2758 gimple_asm_volatile_p (const_gimple gs)
2760 GIMPLE_CHECK (gs, GIMPLE_ASM);
2761 return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0;
2765 /* If VOLATLE_P is true, mark asm statement GS as volatile. */
2768 gimple_asm_set_volatile (gimple gs, bool volatile_p)
2770 GIMPLE_CHECK (gs, GIMPLE_ASM);
2772 gs->gsbase.subcode |= GF_ASM_VOLATILE;
2774 gs->gsbase.subcode &= ~GF_ASM_VOLATILE;
2778 /* If INPUT_P is true, mark asm GS as an ASM_INPUT. */
2781 gimple_asm_set_input (gimple gs, bool input_p)
2783 GIMPLE_CHECK (gs, GIMPLE_ASM);
2785 gs->gsbase.subcode |= GF_ASM_INPUT;
2787 gs->gsbase.subcode &= ~GF_ASM_INPUT;
2791 /* Return true if asm GS is an ASM_INPUT. */
2794 gimple_asm_input_p (const_gimple gs)
2796 GIMPLE_CHECK (gs, GIMPLE_ASM);
2797 return (gs->gsbase.subcode & GF_ASM_INPUT) != 0;
2801 /* Return the types handled by GIMPLE_CATCH statement GS. */
2804 gimple_catch_types (const_gimple gs)
2806 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2807 return gs->gimple_catch.types;
2811 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */
2813 static inline tree *
2814 gimple_catch_types_ptr (gimple gs)
2816 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2817 return &gs->gimple_catch.types;
2821 /* Return the GIMPLE sequence representing the body of the handler of
2822 GIMPLE_CATCH statement GS. */
2824 static inline gimple_seq
2825 gimple_catch_handler (gimple gs)
2827 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2828 return gs->gimple_catch.handler;
2832 /* Return a pointer to the GIMPLE sequence representing the body of
2833 the handler of GIMPLE_CATCH statement GS. */
2835 static inline gimple_seq *
2836 gimple_catch_handler_ptr (gimple gs)
2838 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2839 return &gs->gimple_catch.handler;
2843 /* Set T to be the set of types handled by GIMPLE_CATCH GS. */
2846 gimple_catch_set_types (gimple gs, tree t)
2848 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2849 gs->gimple_catch.types = t;
2853 /* Set HANDLER to be the body of GIMPLE_CATCH GS. */
2856 gimple_catch_set_handler (gimple gs, gimple_seq handler)
2858 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2859 gs->gimple_catch.handler = handler;
2863 /* Return the types handled by GIMPLE_EH_FILTER statement GS. */
2866 gimple_eh_filter_types (const_gimple gs)
2868 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2869 return gs->gimple_eh_filter.types;
2873 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement
2876 static inline tree *
2877 gimple_eh_filter_types_ptr (gimple gs)
2879 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2880 return &gs->gimple_eh_filter.types;
2884 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER
2887 static inline gimple_seq
2888 gimple_eh_filter_failure (gimple gs)
2890 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2891 return gs->gimple_eh_filter.failure;
2895 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */
2898 gimple_eh_filter_set_types (gimple gs, tree types)
2900 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2901 gs->gimple_eh_filter.types = types;
2905 /* Set FAILURE to be the sequence of statements to execute on failure
2906 for GIMPLE_EH_FILTER GS. */
2909 gimple_eh_filter_set_failure (gimple gs, gimple_seq failure)
2911 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2912 gs->gimple_eh_filter.failure = failure;
2915 /* Get the function decl to be called by the MUST_NOT_THROW region. */
2918 gimple_eh_must_not_throw_fndecl (gimple gs)
2920 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
2921 return gs->gimple_eh_mnt.fndecl;
2924 /* Set the function decl to be called by GS to DECL. */
2927 gimple_eh_must_not_throw_set_fndecl (gimple gs, tree decl)
2929 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
2930 gs->gimple_eh_mnt.fndecl = decl;
2934 /* GIMPLE_TRY accessors. */
2936 /* Return the kind of try block represented by GIMPLE_TRY GS. This is
2937 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */
2939 static inline enum gimple_try_flags
2940 gimple_try_kind (const_gimple gs)
2942 GIMPLE_CHECK (gs, GIMPLE_TRY);
2943 return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND);
2947 /* Set the kind of try block represented by GIMPLE_TRY GS. */
2950 gimple_try_set_kind (gimple gs, enum gimple_try_flags kind)
2952 GIMPLE_CHECK (gs, GIMPLE_TRY);
2953 gcc_assert (kind == GIMPLE_TRY_CATCH || kind == GIMPLE_TRY_FINALLY);
2954 if (gimple_try_kind (gs) != kind)
2955 gs->gsbase.subcode = (unsigned int) kind;
2959 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
2962 gimple_try_catch_is_cleanup (const_gimple gs)
2964 gcc_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH);
2965 return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0;
2969 /* Return the sequence of statements used as the body for GIMPLE_TRY GS. */
2971 static inline gimple_seq
2972 gimple_try_eval (gimple gs)
2974 GIMPLE_CHECK (gs, GIMPLE_TRY);
2975 return gs->gimple_try.eval;
2979 /* Return the sequence of statements used as the cleanup body for
2982 static inline gimple_seq
2983 gimple_try_cleanup (gimple gs)
2985 GIMPLE_CHECK (gs, GIMPLE_TRY);
2986 return gs->gimple_try.cleanup;
2990 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
2993 gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup)
2995 gcc_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH);
2996 if (catch_is_cleanup)
2997 g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP;
2999 g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP;
3003 /* Set EVAL to be the sequence of statements to use as the body for
3007 gimple_try_set_eval (gimple gs, gimple_seq eval)
3009 GIMPLE_CHECK (gs, GIMPLE_TRY);
3010 gs->gimple_try.eval = eval;
3014 /* Set CLEANUP to be the sequence of statements to use as the cleanup
3015 body for GIMPLE_TRY GS. */
3018 gimple_try_set_cleanup (gimple gs, gimple_seq cleanup)
3020 GIMPLE_CHECK (gs, GIMPLE_TRY);
3021 gs->gimple_try.cleanup = cleanup;
3025 /* Return the cleanup sequence for cleanup statement GS. */
3027 static inline gimple_seq
3028 gimple_wce_cleanup (gimple gs)
3030 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3031 return gs->gimple_wce.cleanup;
3035 /* Set CLEANUP to be the cleanup sequence for GS. */
3038 gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup)
3040 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3041 gs->gimple_wce.cleanup = cleanup;
3045 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */
3048 gimple_wce_cleanup_eh_only (const_gimple gs)
3050 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3051 return gs->gsbase.subcode != 0;
3055 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */
3058 gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p)
3060 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3061 gs->gsbase.subcode = (unsigned int) eh_only_p;
3065 /* Return the maximum number of arguments supported by GIMPLE_PHI GS. */
3067 static inline unsigned
3068 gimple_phi_capacity (const_gimple gs)
3070 GIMPLE_CHECK (gs, GIMPLE_PHI);
3071 return gs->gimple_phi.capacity;
3075 /* Return the number of arguments in GIMPLE_PHI GS. This must always
3076 be exactly the number of incoming edges for the basic block holding
3079 static inline unsigned
3080 gimple_phi_num_args (const_gimple gs)
3082 GIMPLE_CHECK (gs, GIMPLE_PHI);
3083 return gs->gimple_phi.nargs;
3087 /* Return the SSA name created by GIMPLE_PHI GS. */
3090 gimple_phi_result (const_gimple gs)
3092 GIMPLE_CHECK (gs, GIMPLE_PHI);
3093 return gs->gimple_phi.result;
3096 /* Return a pointer to the SSA name created by GIMPLE_PHI GS. */
3098 static inline tree *
3099 gimple_phi_result_ptr (gimple gs)
3101 GIMPLE_CHECK (gs, GIMPLE_PHI);
3102 return &gs->gimple_phi.result;
3105 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */
3108 gimple_phi_set_result (gimple gs, tree result)
3110 GIMPLE_CHECK (gs, GIMPLE_PHI);
3111 gs->gimple_phi.result = result;
3115 /* Return the PHI argument corresponding to incoming edge INDEX for
3118 static inline struct phi_arg_d *
3119 gimple_phi_arg (gimple gs, unsigned index)
3121 GIMPLE_CHECK (gs, GIMPLE_PHI);
3122 gcc_assert (index <= gs->gimple_phi.capacity);
3123 return &(gs->gimple_phi.args[index]);
3126 /* Set PHIARG to be the argument corresponding to incoming edge INDEX
3127 for GIMPLE_PHI GS. */
3130 gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg)
3132 GIMPLE_CHECK (gs, GIMPLE_PHI);
3133 gcc_assert (index <= gs->gimple_phi.nargs);
3134 memcpy (gs->gimple_phi.args + index, phiarg, sizeof (struct phi_arg_d));
3137 /* Return the region number for GIMPLE_RESX GS. */
3140 gimple_resx_region (const_gimple gs)
3142 GIMPLE_CHECK (gs, GIMPLE_RESX);
3143 return gs->gimple_eh_ctrl.region;
3146 /* Set REGION to be the region number for GIMPLE_RESX GS. */
3149 gimple_resx_set_region (gimple gs, int region)
3151 GIMPLE_CHECK (gs, GIMPLE_RESX);
3152 gs->gimple_eh_ctrl.region = region;
3155 /* Return the region number for GIMPLE_EH_DISPATCH GS. */
3158 gimple_eh_dispatch_region (const_gimple gs)
3160 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3161 return gs->gimple_eh_ctrl.region;
3164 /* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS. */
3167 gimple_eh_dispatch_set_region (gimple gs, int region)
3169 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3170 gs->gimple_eh_ctrl.region = region;
3173 /* Return the number of labels associated with the switch statement GS. */
3175 static inline unsigned
3176 gimple_switch_num_labels (const_gimple gs)
3179 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3180 num_ops = gimple_num_ops (gs);
3181 gcc_assert (num_ops > 1);
3186 /* Set NLABELS to be the number of labels for the switch statement GS. */
3189 gimple_switch_set_num_labels (gimple g, unsigned nlabels)
3191 GIMPLE_CHECK (g, GIMPLE_SWITCH);
3192 gimple_set_num_ops (g, nlabels + 1);
3196 /* Return the index variable used by the switch statement GS. */
3199 gimple_switch_index (const_gimple gs)
3201 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3202 return gimple_op (gs, 0);
3206 /* Return a pointer to the index variable for the switch statement GS. */
3208 static inline tree *
3209 gimple_switch_index_ptr (const_gimple gs)
3211 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3212 return gimple_op_ptr (gs, 0);
3216 /* Set INDEX to be the index variable for switch statement GS. */
3219 gimple_switch_set_index (gimple gs, tree index)
3221 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3222 gcc_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index));
3223 gimple_set_op (gs, 0, index);
3227 /* Return the label numbered INDEX. The default label is 0, followed by any
3228 labels in a switch statement. */
3231 gimple_switch_label (const_gimple gs, unsigned index)
3233 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3234 gcc_assert (gimple_num_ops (gs) > index + 1);
3235 return gimple_op (gs, index + 1);
3238 /* Set the label number INDEX to LABEL. 0 is always the default label. */
3241 gimple_switch_set_label (gimple gs, unsigned index, tree label)
3243 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3244 gcc_assert (gimple_num_ops (gs) > index + 1);
3245 gcc_assert (label == NULL_TREE || TREE_CODE (label) == CASE_LABEL_EXPR);
3246 gimple_set_op (gs, index + 1, label);
3249 /* Return the default label for a switch statement. */
3252 gimple_switch_default_label (const_gimple gs)
3254 return gimple_switch_label (gs, 0);
3257 /* Set the default label for a switch statement. */
3260 gimple_switch_set_default_label (gimple gs, tree label)
3262 gimple_switch_set_label (gs, 0, label);
3265 /* Return true if GS is a GIMPLE_DEBUG statement. */
3268 is_gimple_debug (const_gimple gs)
3270 return gimple_code (gs) == GIMPLE_DEBUG;
3273 /* Return true if S is a GIMPLE_DEBUG BIND statement. */
3276 gimple_debug_bind_p (const_gimple s)
3278 if (is_gimple_debug (s))
3279 return s->gsbase.subcode == GIMPLE_DEBUG_BIND;
3284 /* Return the variable bound in a GIMPLE_DEBUG bind statement. */
3287 gimple_debug_bind_get_var (gimple dbg)
3289 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3290 gcc_assert (gimple_debug_bind_p (dbg));
3291 return gimple_op (dbg, 0);
3294 /* Return the value bound to the variable in a GIMPLE_DEBUG bind
3298 gimple_debug_bind_get_value (gimple dbg)
3300 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3301 gcc_assert (gimple_debug_bind_p (dbg));
3302 return gimple_op (dbg, 1);
3305 /* Return a pointer to the value bound to the variable in a
3306 GIMPLE_DEBUG bind statement. */
3308 static inline tree *
3309 gimple_debug_bind_get_value_ptr (gimple dbg)
3311 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3312 gcc_assert (gimple_debug_bind_p (dbg));
3313 return gimple_op_ptr (dbg, 1);
3316 /* Set the variable bound in a GIMPLE_DEBUG bind statement. */
3319 gimple_debug_bind_set_var (gimple dbg, tree var)
3321 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3322 gcc_assert (gimple_debug_bind_p (dbg));
3323 gimple_set_op (dbg, 0, var);
3326 /* Set the value bound to the variable in a GIMPLE_DEBUG bind
3330 gimple_debug_bind_set_value (gimple dbg, tree value)
3332 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3333 gcc_assert (gimple_debug_bind_p (dbg));
3334 gimple_set_op (dbg, 1, value);
3337 /* The second operand of a GIMPLE_DEBUG_BIND, when the value was
3339 #define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */
3341 /* Remove the value bound to the variable in a GIMPLE_DEBUG bind
3345 gimple_debug_bind_reset_value (gimple dbg)
3347 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3348 gcc_assert (gimple_debug_bind_p (dbg));
3349 gimple_set_op (dbg, 1, GIMPLE_DEBUG_BIND_NOVALUE);
3352 /* Return true if the GIMPLE_DEBUG bind statement is bound to a
3356 gimple_debug_bind_has_value_p (gimple dbg)
3358 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3359 gcc_assert (gimple_debug_bind_p (dbg));
3360 return gimple_op (dbg, 1) != GIMPLE_DEBUG_BIND_NOVALUE;
3363 #undef GIMPLE_DEBUG_BIND_NOVALUE
3365 /* Return the body for the OMP statement GS. */
3367 static inline gimple_seq
3368 gimple_omp_body (gimple gs)
3370 return gs->omp.body;
3373 /* Set BODY to be the body for the OMP statement GS. */
3376 gimple_omp_set_body (gimple gs, gimple_seq body)
3378 gs->omp.body = body;
3382 /* Return the name associated with OMP_CRITICAL statement GS. */
3385 gimple_omp_critical_name (const_gimple gs)
3387 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3388 return gs->gimple_omp_critical.name;
3392 /* Return a pointer to the name associated with OMP critical statement GS. */
3394 static inline tree *
3395 gimple_omp_critical_name_ptr (gimple gs)
3397 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3398 return &gs->gimple_omp_critical.name;
3402 /* Set NAME to be the name associated with OMP critical statement GS. */
3405 gimple_omp_critical_set_name (gimple gs, tree name)
3407 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3408 gs->gimple_omp_critical.name = name;
3412 /* Return the clauses associated with OMP_FOR GS. */
3415 gimple_omp_for_clauses (const_gimple gs)
3417 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3418 return gs->gimple_omp_for.clauses;
3422 /* Return a pointer to the OMP_FOR GS. */
3424 static inline tree *
3425 gimple_omp_for_clauses_ptr (gimple gs)
3427 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3428 return &gs->gimple_omp_for.clauses;
3432 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */
3435 gimple_omp_for_set_clauses (gimple gs, tree clauses)
3437 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3438 gs->gimple_omp_for.clauses = clauses;
3442 /* Get the collapse count of OMP_FOR GS. */
3444 static inline size_t
3445 gimple_omp_for_collapse (gimple gs)
3447 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3448 return gs->gimple_omp_for.collapse;
3452 /* Return the index variable for OMP_FOR GS. */
3455 gimple_omp_for_index (const_gimple gs, size_t i)
3457 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3458 gcc_assert (i < gs->gimple_omp_for.collapse);
3459 return gs->gimple_omp_for.iter[i].index;
3463 /* Return a pointer to the index variable for OMP_FOR GS. */
3465 static inline tree *
3466 gimple_omp_for_index_ptr (gimple gs, size_t i)
3468 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3469 gcc_assert (i < gs->gimple_omp_for.collapse);
3470 return &gs->gimple_omp_for.iter[i].index;
3474 /* Set INDEX to be the index variable for OMP_FOR GS. */
3477 gimple_omp_for_set_index (gimple gs, size_t i, tree index)
3479 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3480 gcc_assert (i < gs->gimple_omp_for.collapse);
3481 gs->gimple_omp_for.iter[i].index = index;
3485 /* Return the initial value for OMP_FOR GS. */
3488 gimple_omp_for_initial (const_gimple gs, size_t i)
3490 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3491 gcc_assert (i < gs->gimple_omp_for.collapse);
3492 return gs->gimple_omp_for.iter[i].initial;
3496 /* Return a pointer to the initial value for OMP_FOR GS. */
3498 static inline tree *
3499 gimple_omp_for_initial_ptr (gimple gs, size_t i)
3501 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3502 gcc_assert (i < gs->gimple_omp_for.collapse);
3503 return &gs->gimple_omp_for.iter[i].initial;
3507 /* Set INITIAL to be the initial value for OMP_FOR GS. */
3510 gimple_omp_for_set_initial (gimple gs, size_t i, tree initial)
3512 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3513 gcc_assert (i < gs->gimple_omp_for.collapse);
3514 gs->gimple_omp_for.iter[i].initial = initial;
3518 /* Return the final value for OMP_FOR GS. */
3521 gimple_omp_for_final (const_gimple gs, size_t i)
3523 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3524 gcc_assert (i < gs->gimple_omp_for.collapse);
3525 return gs->gimple_omp_for.iter[i].final;
3529 /* Return a pointer to the final value for OMP_FOR GS. */
3531 static inline tree *
3532 gimple_omp_for_final_ptr (gimple gs, size_t i)
3534 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3535 gcc_assert (i < gs->gimple_omp_for.collapse);
3536 return &gs->gimple_omp_for.iter[i].final;
3540 /* Set FINAL to be the final value for OMP_FOR GS. */
3543 gimple_omp_for_set_final (gimple gs, size_t i, tree final)
3545 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3546 gcc_assert (i < gs->gimple_omp_for.collapse);
3547 gs->gimple_omp_for.iter[i].final = final;
3551 /* Return the increment value for OMP_FOR GS. */
3554 gimple_omp_for_incr (const_gimple gs, size_t i)
3556 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3557 gcc_assert (i < gs->gimple_omp_for.collapse);
3558 return gs->gimple_omp_for.iter[i].incr;
3562 /* Return a pointer to the increment value for OMP_FOR GS. */
3564 static inline tree *
3565 gimple_omp_for_incr_ptr (gimple gs, size_t i)
3567 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3568 gcc_assert (i < gs->gimple_omp_for.collapse);
3569 return &gs->gimple_omp_for.iter[i].incr;
3573 /* Set INCR to be the increment value for OMP_FOR GS. */
3576 gimple_omp_for_set_incr (gimple gs, size_t i, tree incr)
3578 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3579 gcc_assert (i < gs->gimple_omp_for.collapse);
3580 gs->gimple_omp_for.iter[i].incr = incr;
3584 /* Return the sequence of statements to execute before the OMP_FOR
3585 statement GS starts. */
3587 static inline gimple_seq
3588 gimple_omp_for_pre_body (gimple gs)
3590 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3591 return gs->gimple_omp_for.pre_body;
3595 /* Set PRE_BODY to be the sequence of statements to execute before the
3596 OMP_FOR statement GS starts. */
3599 gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body)
3601 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3602 gs->gimple_omp_for.pre_body = pre_body;
3606 /* Return the clauses associated with OMP_PARALLEL GS. */
3609 gimple_omp_parallel_clauses (const_gimple gs)
3611 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3612 return gs->gimple_omp_parallel.clauses;
3616 /* Return a pointer to the clauses associated with OMP_PARALLEL GS. */
3618 static inline tree *
3619 gimple_omp_parallel_clauses_ptr (gimple gs)
3621 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3622 return &gs->gimple_omp_parallel.clauses;
3626 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL
3630 gimple_omp_parallel_set_clauses (gimple gs, tree clauses)
3632 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3633 gs->gimple_omp_parallel.clauses = clauses;
3637 /* Return the child function used to hold the body of OMP_PARALLEL GS. */
3640 gimple_omp_parallel_child_fn (const_gimple gs)
3642 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3643 return gs->gimple_omp_parallel.child_fn;
3646 /* Return a pointer to the child function used to hold the body of
3649 static inline tree *
3650 gimple_omp_parallel_child_fn_ptr (gimple gs)
3652 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3653 return &gs->gimple_omp_parallel.child_fn;
3657 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */
3660 gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn)
3662 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3663 gs->gimple_omp_parallel.child_fn = child_fn;
3667 /* Return the artificial argument used to send variables and values
3668 from the parent to the children threads in OMP_PARALLEL GS. */
3671 gimple_omp_parallel_data_arg (const_gimple gs)
3673 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3674 return gs->gimple_omp_parallel.data_arg;
3678 /* Return a pointer to the data argument for OMP_PARALLEL GS. */
3680 static inline tree *
3681 gimple_omp_parallel_data_arg_ptr (gimple gs)
3683 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3684 return &gs->gimple_omp_parallel.data_arg;
3688 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */
3691 gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg)
3693 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3694 gs->gimple_omp_parallel.data_arg = data_arg;
3698 /* Return the clauses associated with OMP_TASK GS. */
3701 gimple_omp_task_clauses (const_gimple gs)
3703 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3704 return gs->gimple_omp_parallel.clauses;
3708 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3710 static inline tree *
3711 gimple_omp_task_clauses_ptr (gimple gs)
3713 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3714 return &gs->gimple_omp_parallel.clauses;
3718 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3722 gimple_omp_task_set_clauses (gimple gs, tree clauses)
3724 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3725 gs->gimple_omp_parallel.clauses = clauses;
3729 /* Return the child function used to hold the body of OMP_TASK GS. */
3732 gimple_omp_task_child_fn (const_gimple gs)
3734 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3735 return gs->gimple_omp_parallel.child_fn;
3738 /* Return a pointer to the child function used to hold the body of
3741 static inline tree *
3742 gimple_omp_task_child_fn_ptr (gimple gs)
3744 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3745 return &gs->gimple_omp_parallel.child_fn;
3749 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3752 gimple_omp_task_set_child_fn (gimple gs, tree child_fn)
3754 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3755 gs->gimple_omp_parallel.child_fn = child_fn;
3759 /* Return the artificial argument used to send variables and values
3760 from the parent to the children threads in OMP_TASK GS. */
3763 gimple_omp_task_data_arg (const_gimple gs)
3765 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3766 return gs->gimple_omp_parallel.data_arg;
3770 /* Return a pointer to the data argument for OMP_TASK GS. */
3772 static inline tree *
3773 gimple_omp_task_data_arg_ptr (gimple gs)
3775 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3776 return &gs->gimple_omp_parallel.data_arg;
3780 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3783 gimple_omp_task_set_data_arg (gimple gs, tree data_arg)
3785 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3786 gs->gimple_omp_parallel.data_arg = data_arg;
3790 /* Return the clauses associated with OMP_TASK GS. */
3793 gimple_omp_taskreg_clauses (const_gimple gs)
3795 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3796 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3797 return gs->gimple_omp_parallel.clauses;
3801 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3803 static inline tree *
3804 gimple_omp_taskreg_clauses_ptr (gimple gs)
3806 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3807 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3808 return &gs->gimple_omp_parallel.clauses;
3812 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3816 gimple_omp_taskreg_set_clauses (gimple gs, tree clauses)
3818 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3819 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3820 gs->gimple_omp_parallel.clauses = clauses;
3824 /* Return the child function used to hold the body of OMP_TASK GS. */
3827 gimple_omp_taskreg_child_fn (const_gimple gs)
3829 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3830 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3831 return gs->gimple_omp_parallel.child_fn;
3834 /* Return a pointer to the child function used to hold the body of
3837 static inline tree *
3838 gimple_omp_taskreg_child_fn_ptr (gimple gs)
3840 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3841 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3842 return &gs->gimple_omp_parallel.child_fn;
3846 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3849 gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn)
3851 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3852 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3853 gs->gimple_omp_parallel.child_fn = child_fn;
3857 /* Return the artificial argument used to send variables and values
3858 from the parent to the children threads in OMP_TASK GS. */
3861 gimple_omp_taskreg_data_arg (const_gimple gs)
3863 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3864 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3865 return gs->gimple_omp_parallel.data_arg;
3869 /* Return a pointer to the data argument for OMP_TASK GS. */
3871 static inline tree *
3872 gimple_omp_taskreg_data_arg_ptr (gimple gs)
3874 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3875 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3876 return &gs->gimple_omp_parallel.data_arg;
3880 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3883 gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg)
3885 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3886 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3887 gs->gimple_omp_parallel.data_arg = data_arg;
3891 /* Return the copy function used to hold the body of OMP_TASK GS. */
3894 gimple_omp_task_copy_fn (const_gimple gs)
3896 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3897 return gs->gimple_omp_task.copy_fn;
3900 /* Return a pointer to the copy function used to hold the body of
3903 static inline tree *
3904 gimple_omp_task_copy_fn_ptr (gimple gs)
3906 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3907 return &gs->gimple_omp_task.copy_fn;
3911 /* Set CHILD_FN to be the copy function for OMP_TASK GS. */
3914 gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn)
3916 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3917 gs->gimple_omp_task.copy_fn = copy_fn;
3921 /* Return size of the data block in bytes in OMP_TASK GS. */
3924 gimple_omp_task_arg_size (const_gimple gs)
3926 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3927 return gs->gimple_omp_task.arg_size;
3931 /* Return a pointer to the data block size for OMP_TASK GS. */
3933 static inline tree *
3934 gimple_omp_task_arg_size_ptr (gimple gs)
3936 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3937 return &gs->gimple_omp_task.arg_size;
3941 /* Set ARG_SIZE to be the data block size for OMP_TASK GS. */
3944 gimple_omp_task_set_arg_size (gimple gs, tree arg_size)
3946 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3947 gs->gimple_omp_task.arg_size = arg_size;
3951 /* Return align of the data block in bytes in OMP_TASK GS. */
3954 gimple_omp_task_arg_align (const_gimple gs)
3956 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3957 return gs->gimple_omp_task.arg_align;
3961 /* Return a pointer to the data block align for OMP_TASK GS. */
3963 static inline tree *
3964 gimple_omp_task_arg_align_ptr (gimple gs)
3966 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3967 return &gs->gimple_omp_task.arg_align;
3971 /* Set ARG_SIZE to be the data block align for OMP_TASK GS. */
3974 gimple_omp_task_set_arg_align (gimple gs, tree arg_align)
3976 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3977 gs->gimple_omp_task.arg_align = arg_align;
3981 /* Return the clauses associated with OMP_SINGLE GS. */
3984 gimple_omp_single_clauses (const_gimple gs)
3986 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
3987 return gs->gimple_omp_single.clauses;
3991 /* Return a pointer to the clauses associated with OMP_SINGLE GS. */
3993 static inline tree *
3994 gimple_omp_single_clauses_ptr (gimple gs)
3996 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
3997 return &gs->gimple_omp_single.clauses;
4001 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */
4004 gimple_omp_single_set_clauses (gimple gs, tree clauses)
4006 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4007 gs->gimple_omp_single.clauses = clauses;
4011 /* Return the clauses associated with OMP_SECTIONS GS. */
4014 gimple_omp_sections_clauses (const_gimple gs)
4016 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4017 return gs->gimple_omp_sections.clauses;
4021 /* Return a pointer to the clauses associated with OMP_SECTIONS GS. */
4023 static inline tree *
4024 gimple_omp_sections_clauses_ptr (gimple gs)
4026 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4027 return &gs->gimple_omp_sections.clauses;
4031 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS
4035 gimple_omp_sections_set_clauses (gimple gs, tree clauses)
4037 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4038 gs->gimple_omp_sections.clauses = clauses;
4042 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS
4046 gimple_omp_sections_control (const_gimple gs)
4048 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4049 return gs->gimple_omp_sections.control;
4053 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS
4056 static inline tree *
4057 gimple_omp_sections_control_ptr (gimple gs)
4059 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4060 return &gs->gimple_omp_sections.control;
4064 /* Set CONTROL to be the set of clauses associated with the
4065 GIMPLE_OMP_SECTIONS in GS. */
4068 gimple_omp_sections_set_control (gimple gs, tree control)
4070 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4071 gs->gimple_omp_sections.control = control;
4075 /* Set COND to be the condition code for OMP_FOR GS. */
4078 gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond)
4080 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4081 gcc_assert (TREE_CODE_CLASS (cond) == tcc_comparison);
4082 gcc_assert (i < gs->gimple_omp_for.collapse);
4083 gs->gimple_omp_for.iter[i].cond = cond;
4087 /* Return the condition code associated with OMP_FOR GS. */
4089 static inline enum tree_code
4090 gimple_omp_for_cond (const_gimple gs, size_t i)
4092 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4093 gcc_assert (i < gs->gimple_omp_for.collapse);
4094 return gs->gimple_omp_for.iter[i].cond;
4098 /* Set the value being stored in an atomic store. */
4101 gimple_omp_atomic_store_set_val (gimple g, tree val)
4103 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4104 g->gimple_omp_atomic_store.val = val;
4108 /* Return the value being stored in an atomic store. */
4111 gimple_omp_atomic_store_val (const_gimple g)
4113 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4114 return g->gimple_omp_atomic_store.val;
4118 /* Return a pointer to the value being stored in an atomic store. */
4120 static inline tree *
4121 gimple_omp_atomic_store_val_ptr (gimple g)
4123 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4124 return &g->gimple_omp_atomic_store.val;
4128 /* Set the LHS of an atomic load. */
4131 gimple_omp_atomic_load_set_lhs (gimple g, tree lhs)
4133 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4134 g->gimple_omp_atomic_load.lhs = lhs;
4138 /* Get the LHS of an atomic load. */
4141 gimple_omp_atomic_load_lhs (const_gimple g)
4143 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4144 return g->gimple_omp_atomic_load.lhs;
4148 /* Return a pointer to the LHS of an atomic load. */
4150 static inline tree *
4151 gimple_omp_atomic_load_lhs_ptr (gimple g)
4153 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4154 return &g->gimple_omp_atomic_load.lhs;
4158 /* Set the RHS of an atomic load. */
4161 gimple_omp_atomic_load_set_rhs (gimple g, tree rhs)
4163 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4164 g->gimple_omp_atomic_load.rhs = rhs;
4168 /* Get the RHS of an atomic load. */
4171 gimple_omp_atomic_load_rhs (const_gimple g)
4173 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4174 return g->gimple_omp_atomic_load.rhs;
4178 /* Return a pointer to the RHS of an atomic load. */
4180 static inline tree *
4181 gimple_omp_atomic_load_rhs_ptr (gimple g)
4183 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4184 return &g->gimple_omp_atomic_load.rhs;
4188 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4191 gimple_omp_continue_control_def (const_gimple g)
4193 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4194 return g->gimple_omp_continue.control_def;
4197 /* The same as above, but return the address. */
4199 static inline tree *
4200 gimple_omp_continue_control_def_ptr (gimple g)
4202 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4203 return &g->gimple_omp_continue.control_def;
4206 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4209 gimple_omp_continue_set_control_def (gimple g, tree def)
4211 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4212 g->gimple_omp_continue.control_def = def;
4216 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4219 gimple_omp_continue_control_use (const_gimple g)
4221 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4222 return g->gimple_omp_continue.control_use;
4226 /* The same as above, but return the address. */
4228 static inline tree *
4229 gimple_omp_continue_control_use_ptr (gimple g)
4231 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4232 return &g->gimple_omp_continue.control_use;
4236 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4239 gimple_omp_continue_set_control_use (gimple g, tree use)
4241 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4242 g->gimple_omp_continue.control_use = use;
4246 /* Return a pointer to the return value for GIMPLE_RETURN GS. */
4248 static inline tree *
4249 gimple_return_retval_ptr (const_gimple gs)
4251 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4252 gcc_assert (gimple_num_ops (gs) == 1);
4253 return gimple_op_ptr (gs, 0);
4256 /* Return the return value for GIMPLE_RETURN GS. */
4259 gimple_return_retval (const_gimple gs)
4261 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4262 gcc_assert (gimple_num_ops (gs) == 1);
4263 return gimple_op (gs, 0);
4267 /* Set RETVAL to be the return value for GIMPLE_RETURN GS. */
4270 gimple_return_set_retval (gimple gs, tree retval)
4272 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4273 gcc_assert (gimple_num_ops (gs) == 1);
4274 gcc_assert (retval == NULL_TREE
4275 || TREE_CODE (retval) == RESULT_DECL
4276 || is_gimple_val (retval));
4277 gimple_set_op (gs, 0, retval);
4281 /* Returns true when the gimple statment STMT is any of the OpenMP types. */
4283 #define CASE_GIMPLE_OMP \
4284 case GIMPLE_OMP_PARALLEL: \
4285 case GIMPLE_OMP_TASK: \
4286 case GIMPLE_OMP_FOR: \
4287 case GIMPLE_OMP_SECTIONS: \
4288 case GIMPLE_OMP_SECTIONS_SWITCH: \
4289 case GIMPLE_OMP_SINGLE: \
4290 case GIMPLE_OMP_SECTION: \
4291 case GIMPLE_OMP_MASTER: \
4292 case GIMPLE_OMP_ORDERED: \
4293 case GIMPLE_OMP_CRITICAL: \
4294 case GIMPLE_OMP_RETURN: \
4295 case GIMPLE_OMP_ATOMIC_LOAD: \
4296 case GIMPLE_OMP_ATOMIC_STORE: \
4297 case GIMPLE_OMP_CONTINUE
4300 is_gimple_omp (const_gimple stmt)
4302 switch (gimple_code (stmt))
4312 /* Returns TRUE if statement G is a GIMPLE_NOP. */
4315 gimple_nop_p (const_gimple g)
4317 return gimple_code (g) == GIMPLE_NOP;
4321 /* Return true if GS is a GIMPLE_RESX. */
4324 is_gimple_resx (const_gimple gs)
4326 return gimple_code (gs) == GIMPLE_RESX;
4329 /* Return the predictor of GIMPLE_PREDICT statement GS. */
4331 static inline enum br_predictor
4332 gimple_predict_predictor (gimple gs)
4334 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4335 return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN);
4339 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */
4342 gimple_predict_set_predictor (gimple gs, enum br_predictor predictor)
4344 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4345 gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN)
4346 | (unsigned) predictor;
4350 /* Return the outcome of GIMPLE_PREDICT statement GS. */
4352 static inline enum prediction
4353 gimple_predict_outcome (gimple gs)
4355 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4356 return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN;
4360 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */
4363 gimple_predict_set_outcome (gimple gs, enum prediction outcome)
4365 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4366 if (outcome == TAKEN)
4367 gs->gsbase.subcode |= GF_PREDICT_TAKEN;
4369 gs->gsbase.subcode &= ~GF_PREDICT_TAKEN;
4373 /* Return the type of the main expression computed by STMT. Return
4374 void_type_node if the statement computes nothing. */
4377 gimple_expr_type (const_gimple stmt)
4379 enum gimple_code code = gimple_code (stmt);
4381 if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL)
4384 /* In general we want to pass out a type that can be substituted
4385 for both the RHS and the LHS types if there is a possibly
4386 useless conversion involved. That means returning the
4387 original RHS type as far as we can reconstruct it. */
4388 if (code == GIMPLE_CALL)
4389 type = gimple_call_return_type (stmt);
4391 switch (gimple_assign_rhs_code (stmt))
4393 case POINTER_PLUS_EXPR:
4394 type = TREE_TYPE (gimple_assign_rhs1 (stmt));
4398 /* As fallback use the type of the LHS. */
4399 type = TREE_TYPE (gimple_get_lhs (stmt));
4404 else if (code == GIMPLE_COND)
4405 return boolean_type_node;
4407 return void_type_node;
4411 /* Return a new iterator pointing to GIMPLE_SEQ's first statement. */
4413 static inline gimple_stmt_iterator
4414 gsi_start (gimple_seq seq)
4416 gimple_stmt_iterator i;
4418 i.ptr = gimple_seq_first (seq);
4420 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4426 /* Return a new iterator pointing to the first statement in basic block BB. */
4428 static inline gimple_stmt_iterator
4429 gsi_start_bb (basic_block bb)
4431 gimple_stmt_iterator i;
4435 i.ptr = gimple_seq_first (seq);
4443 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */
4445 static inline gimple_stmt_iterator
4446 gsi_last (gimple_seq seq)
4448 gimple_stmt_iterator i;
4450 i.ptr = gimple_seq_last (seq);
4452 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4458 /* Return a new iterator pointing to the last statement in basic block BB. */
4460 static inline gimple_stmt_iterator
4461 gsi_last_bb (basic_block bb)
4463 gimple_stmt_iterator i;
4467 i.ptr = gimple_seq_last (seq);
4475 /* Return true if I is at the end of its sequence. */
4478 gsi_end_p (gimple_stmt_iterator i)
4480 return i.ptr == NULL;
4484 /* Return true if I is one statement before the end of its sequence. */
4487 gsi_one_before_end_p (gimple_stmt_iterator i)
4489 return i.ptr != NULL && i.ptr->next == NULL;
4493 /* Advance the iterator to the next gimple statement. */
4496 gsi_next (gimple_stmt_iterator *i)
4498 i->ptr = i->ptr->next;
4501 /* Advance the iterator to the previous gimple statement. */
4504 gsi_prev (gimple_stmt_iterator *i)
4506 i->ptr = i->ptr->prev;
4509 /* Return the current stmt. */
4511 static inline gimple
4512 gsi_stmt (gimple_stmt_iterator i)
4517 /* Return a block statement iterator that points to the first non-label
4518 statement in block BB. */
4520 static inline gimple_stmt_iterator
4521 gsi_after_labels (basic_block bb)
4523 gimple_stmt_iterator gsi = gsi_start_bb (bb);
4525 while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL)
4531 /* Advance the iterator to the next non-debug gimple statement. */
4534 gsi_next_nondebug (gimple_stmt_iterator *i)
4540 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4543 /* Advance the iterator to the next non-debug gimple statement. */
4546 gsi_prev_nondebug (gimple_stmt_iterator *i)
4552 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4555 /* Return a new iterator pointing to the first non-debug statement in
4558 static inline gimple_stmt_iterator
4559 gsi_start_nondebug_bb (basic_block bb)
4561 gimple_stmt_iterator i = gsi_start_bb (bb);
4563 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
4564 gsi_next_nondebug (&i);
4569 /* Return a new iterator pointing to the last non-debug statement in
4572 static inline gimple_stmt_iterator
4573 gsi_last_nondebug_bb (basic_block bb)
4575 gimple_stmt_iterator i = gsi_last_bb (bb);
4577 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
4578 gsi_prev_nondebug (&i);
4583 /* Return a pointer to the current stmt.
4585 NOTE: You may want to use gsi_replace on the iterator itself,
4586 as this performs additional bookkeeping that will not be done
4587 if you simply assign through a pointer returned by gsi_stmt_ptr. */
4589 static inline gimple *
4590 gsi_stmt_ptr (gimple_stmt_iterator *i)
4592 return &i->ptr->stmt;
4596 /* Return the basic block associated with this iterator. */
4598 static inline basic_block
4599 gsi_bb (gimple_stmt_iterator i)
4605 /* Return the sequence associated with this iterator. */
4607 static inline gimple_seq
4608 gsi_seq (gimple_stmt_iterator i)
4614 enum gsi_iterator_update
4616 GSI_NEW_STMT, /* Only valid when single statement is added, move
4618 GSI_SAME_STMT, /* Leave the iterator at the same statement. */
4619 GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable
4620 for linking other statements in the same
4624 /* In gimple-iterator.c */
4625 gimple_stmt_iterator gsi_start_phis (basic_block);
4626 gimple_seq gsi_split_seq_after (gimple_stmt_iterator);
4627 gimple_seq gsi_split_seq_before (gimple_stmt_iterator *);
4628 void gsi_replace (gimple_stmt_iterator *, gimple, bool);
4629 void gsi_insert_before (gimple_stmt_iterator *, gimple,
4630 enum gsi_iterator_update);
4631 void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple,
4632 enum gsi_iterator_update);
4633 void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq,
4634 enum gsi_iterator_update);
4635 void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq,
4636 enum gsi_iterator_update);
4637 void gsi_insert_after (gimple_stmt_iterator *, gimple,
4638 enum gsi_iterator_update);
4639 void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple,
4640 enum gsi_iterator_update);
4641 void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq,
4642 enum gsi_iterator_update);
4643 void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq,
4644 enum gsi_iterator_update);
4645 void gsi_remove (gimple_stmt_iterator *, bool);
4646 gimple_stmt_iterator gsi_for_stmt (gimple);
4647 void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *);
4648 void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *);
4649 void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *);
4650 void gsi_insert_on_edge (edge, gimple);
4651 void gsi_insert_seq_on_edge (edge, gimple_seq);
4652 basic_block gsi_insert_on_edge_immediate (edge, gimple);
4653 basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq);
4654 void gsi_commit_one_edge_insert (edge, basic_block *);
4655 void gsi_commit_edge_inserts (void);
4656 gimple gimple_call_copy_skip_args (gimple, bitmap);
4659 /* Convenience routines to walk all statements of a gimple function.
4660 Note that this is useful exclusively before the code is converted
4661 into SSA form. Once the program is in SSA form, the standard
4662 operand interface should be used to analyze/modify statements. */
4663 struct walk_stmt_info
4665 /* Points to the current statement being walked. */
4666 gimple_stmt_iterator gsi;
4668 /* Additional data that the callback functions may want to carry
4669 through the recursion. */
4672 /* Pointer map used to mark visited tree nodes when calling
4673 walk_tree on each operand. If set to NULL, duplicate tree nodes
4674 will be visited more than once. */
4675 struct pointer_set_t *pset;
4677 /* Indicates whether the operand being examined may be replaced
4678 with something that matches is_gimple_val (if true) or something
4679 slightly more complicated (if false). "Something" technically
4680 means the common subset of is_gimple_lvalue and is_gimple_rhs,
4681 but we never try to form anything more complicated than that, so
4682 we don't bother checking.
4684 Also note that CALLBACK should update this flag while walking the
4685 sub-expressions of a statement. For instance, when walking the
4686 statement 'foo (&var)', the flag VAL_ONLY will initially be set
4687 to true, however, when walking &var, the operand of that
4688 ADDR_EXPR does not need to be a GIMPLE value. */
4691 /* True if we are currently walking the LHS of an assignment. */
4694 /* Optional. Set to true by the callback functions if they made any
4698 /* True if we're interested in location information. */
4699 bool want_locations;
4701 /* Operand returned by the callbacks. This is set when calling
4702 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback
4703 returns non-NULL, this field will contain the tree returned by
4704 the last callback. */
4705 tree callback_result;
4708 /* Callback for walk_gimple_stmt. Called for every statement found
4709 during traversal. The first argument points to the statement to
4710 walk. The second argument is a flag that the callback sets to
4711 'true' if it the callback handled all the operands and
4712 sub-statements of the statement (the default value of this flag is
4713 'false'). The third argument is an anonymous pointer to data
4714 to be used by the callback. */
4715 typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *,
4716 struct walk_stmt_info *);
4718 gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn,
4719 struct walk_stmt_info *);
4720 tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn,
4721 struct walk_stmt_info *);
4722 tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *);
4724 #ifdef GATHER_STATISTICS
4725 /* Enum and arrays used for allocation stats. Keep in sync with
4726 gimple.c:gimple_alloc_kind_names. */
4727 enum gimple_alloc_kind
4729 gimple_alloc_kind_assign, /* Assignments. */
4730 gimple_alloc_kind_phi, /* PHI nodes. */
4731 gimple_alloc_kind_cond, /* Conditionals. */
4732 gimple_alloc_kind_seq, /* Sequences. */
4733 gimple_alloc_kind_rest, /* Everything else. */
4734 gimple_alloc_kind_all
4737 extern int gimple_alloc_counts[];
4738 extern int gimple_alloc_sizes[];
4740 /* Return the allocation kind for a given stmt CODE. */
4741 static inline enum gimple_alloc_kind
4742 gimple_alloc_kind (enum gimple_code code)
4747 return gimple_alloc_kind_assign;
4749 return gimple_alloc_kind_phi;
4751 return gimple_alloc_kind_cond;
4753 return gimple_alloc_kind_rest;
4756 #endif /* GATHER_STATISTICS */
4758 extern void dump_gimple_statistics (void);
4760 #endif /* GCC_GIMPLE_H */