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 GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem;
741 struct gimple_statement_omp GTY ((tag ("GSS_OMP"))) omp;
742 struct gimple_statement_bind GTY ((tag ("GSS_BIND"))) gimple_bind;
743 struct gimple_statement_catch GTY ((tag ("GSS_CATCH"))) gimple_catch;
744 struct gimple_statement_eh_filter GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter;
745 struct gimple_statement_eh_mnt GTY ((tag ("GSS_EH_MNT"))) gimple_eh_mnt;
746 struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi;
747 struct gimple_statement_eh_ctrl GTY ((tag ("GSS_EH_CTRL"))) gimple_eh_ctrl;
748 struct gimple_statement_try GTY ((tag ("GSS_TRY"))) gimple_try;
749 struct gimple_statement_wce GTY ((tag ("GSS_WCE"))) gimple_wce;
750 struct gimple_statement_asm GTY ((tag ("GSS_ASM"))) gimple_asm;
751 struct gimple_statement_omp_critical GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical;
752 struct gimple_statement_omp_for GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for;
753 struct gimple_statement_omp_parallel GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel;
754 struct gimple_statement_omp_task GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task;
755 struct gimple_statement_omp_sections GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections;
756 struct gimple_statement_omp_single GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single;
757 struct gimple_statement_omp_continue GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue;
758 struct gimple_statement_omp_atomic_load GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load;
759 struct gimple_statement_omp_atomic_store GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store;
764 /* Offset in bytes to the location of the operand vector.
765 Zero if there is no operand vector for this tuple structure. */
766 extern size_t const gimple_ops_offset_[];
768 /* Map GIMPLE codes to GSS codes. */
769 extern enum gimple_statement_structure_enum const gss_for_code_[];
771 gimple gimple_build_return (tree);
773 gimple gimple_build_assign_stat (tree, tree MEM_STAT_DECL);
774 #define gimple_build_assign(l,r) gimple_build_assign_stat (l, r MEM_STAT_INFO)
776 void extract_ops_from_tree (tree, enum tree_code *, tree *, tree *);
778 gimple gimple_build_assign_with_ops_stat (enum tree_code, tree, tree,
780 #define gimple_build_assign_with_ops(c,o1,o2,o3) \
781 gimple_build_assign_with_ops_stat (c, o1, o2, o3 MEM_STAT_INFO)
783 gimple gimple_build_debug_bind_stat (tree, tree, gimple MEM_STAT_DECL);
784 #define gimple_build_debug_bind(var,val,stmt) \
785 gimple_build_debug_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
787 gimple gimple_build_call_vec (tree, VEC(tree, heap) *);
788 gimple gimple_build_call (tree, unsigned, ...);
789 gimple gimple_build_call_from_tree (tree);
790 gimple gimplify_assign (tree, tree, gimple_seq *);
791 gimple gimple_build_cond (enum tree_code, tree, tree, tree, tree);
792 gimple gimple_build_label (tree label);
793 gimple gimple_build_goto (tree dest);
794 gimple gimple_build_nop (void);
795 gimple gimple_build_bind (tree, gimple_seq, tree);
796 gimple gimple_build_asm_vec (const char *, VEC(tree,gc) *, VEC(tree,gc) *,
797 VEC(tree,gc) *, VEC(tree,gc) *);
798 gimple gimple_build_catch (tree, gimple_seq);
799 gimple gimple_build_eh_filter (tree, gimple_seq);
800 gimple gimple_build_eh_must_not_throw (tree);
801 gimple gimple_build_try (gimple_seq, gimple_seq, enum gimple_try_flags);
802 gimple gimple_build_wce (gimple_seq);
803 gimple gimple_build_resx (int);
804 gimple gimple_build_eh_dispatch (int);
805 gimple gimple_build_switch_nlabels (unsigned, tree, tree);
806 gimple gimple_build_switch (unsigned, tree, tree, ...);
807 gimple gimple_build_switch_vec (tree, tree, VEC(tree,heap) *);
808 gimple gimple_build_omp_parallel (gimple_seq, tree, tree, tree);
809 gimple gimple_build_omp_task (gimple_seq, tree, tree, tree, tree, tree, tree);
810 gimple gimple_build_omp_for (gimple_seq, tree, size_t, gimple_seq);
811 gimple gimple_build_omp_critical (gimple_seq, tree);
812 gimple gimple_build_omp_section (gimple_seq);
813 gimple gimple_build_omp_continue (tree, tree);
814 gimple gimple_build_omp_master (gimple_seq);
815 gimple gimple_build_omp_return (bool);
816 gimple gimple_build_omp_ordered (gimple_seq);
817 gimple gimple_build_omp_sections (gimple_seq, tree);
818 gimple gimple_build_omp_sections_switch (void);
819 gimple gimple_build_omp_single (gimple_seq, tree);
820 gimple gimple_build_cdt (tree, tree);
821 gimple gimple_build_omp_atomic_load (tree, tree);
822 gimple gimple_build_omp_atomic_store (tree);
823 gimple gimple_build_predict (enum br_predictor, enum prediction);
824 enum gimple_statement_structure_enum gss_for_assign (enum tree_code);
825 void sort_case_labels (VEC(tree,heap) *);
826 void gimple_set_body (tree, gimple_seq);
827 gimple_seq gimple_body (tree);
828 bool gimple_has_body_p (tree);
829 gimple_seq gimple_seq_alloc (void);
830 void gimple_seq_free (gimple_seq);
831 void gimple_seq_add_seq (gimple_seq *, gimple_seq);
832 gimple_seq gimple_seq_copy (gimple_seq);
833 int gimple_call_flags (const_gimple);
834 bool gimple_assign_copy_p (gimple);
835 bool gimple_assign_ssa_name_copy_p (gimple);
836 bool gimple_assign_single_p (gimple);
837 bool gimple_assign_unary_nop_p (gimple);
838 void gimple_set_bb (gimple, struct basic_block_def *);
839 tree gimple_fold (const_gimple);
840 void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree);
841 void gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *, enum tree_code,
843 tree gimple_get_lhs (const_gimple);
844 void gimple_set_lhs (gimple, tree);
845 gimple gimple_copy (gimple);
846 bool is_gimple_operand (const_tree);
847 void gimple_set_modified (gimple, bool);
848 void gimple_cond_get_ops_from_tree (tree, enum tree_code *, tree *, tree *);
849 gimple gimple_build_cond_from_tree (tree, tree, tree);
850 void gimple_cond_set_condition_from_tree (gimple, tree);
851 bool gimple_has_side_effects (const_gimple);
852 bool gimple_rhs_has_side_effects (const_gimple);
853 bool gimple_could_trap_p (gimple);
854 bool gimple_assign_rhs_could_trap_p (gimple);
855 void gimple_regimplify_operands (gimple, gimple_stmt_iterator *);
856 bool empty_body_p (gimple_seq);
857 unsigned get_gimple_rhs_num_ops (enum tree_code);
858 #define gimple_alloc(c, n) gimple_alloc_stat (c, n MEM_STAT_INFO)
859 gimple gimple_alloc_stat (enum gimple_code, unsigned MEM_STAT_DECL);
860 const char *gimple_decl_printable_name (tree, int);
861 tree gimple_fold_obj_type_ref (tree, tree);
863 /* Returns true iff T is a valid GIMPLE statement. */
864 extern bool is_gimple_stmt (tree);
866 /* Returns true iff TYPE is a valid type for a scalar register variable. */
867 extern bool is_gimple_reg_type (tree);
868 /* Returns true iff T is a scalar register variable. */
869 extern bool is_gimple_reg (tree);
870 /* Returns true iff T is any sort of variable. */
871 extern bool is_gimple_variable (tree);
872 /* Returns true iff T is any sort of symbol. */
873 extern bool is_gimple_id (tree);
874 /* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */
875 extern bool is_gimple_min_lval (tree);
876 /* Returns true iff T is something whose address can be taken. */
877 extern bool is_gimple_addressable (tree);
878 /* Returns true iff T is any valid GIMPLE lvalue. */
879 extern bool is_gimple_lvalue (tree);
881 /* Returns true iff T is a GIMPLE address. */
882 bool is_gimple_address (const_tree);
883 /* Returns true iff T is a GIMPLE invariant address. */
884 bool is_gimple_invariant_address (const_tree);
885 /* Returns true iff T is a GIMPLE invariant address at interprocedural
887 bool is_gimple_ip_invariant_address (const_tree);
888 /* Returns true iff T is a valid GIMPLE constant. */
889 bool is_gimple_constant (const_tree);
890 /* Returns true iff T is a GIMPLE restricted function invariant. */
891 extern bool is_gimple_min_invariant (const_tree);
892 /* Returns true iff T is a GIMPLE restricted interprecodural invariant. */
893 extern bool is_gimple_ip_invariant (const_tree);
894 /* Returns true iff T is a GIMPLE rvalue. */
895 extern bool is_gimple_val (tree);
896 /* Returns true iff T is a GIMPLE asm statement input. */
897 extern bool is_gimple_asm_val (tree);
898 /* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a
899 GIMPLE temporary, a renamed user variable, or something else,
901 extern bool is_gimple_reg_rhs (tree);
902 extern bool is_gimple_mem_rhs (tree);
904 /* Returns true iff T is a valid if-statement condition. */
905 extern bool is_gimple_condexpr (tree);
907 /* Returns true iff T is a type conversion. */
908 extern bool is_gimple_cast (tree);
909 /* Returns true iff T is a variable that does not need to live in memory. */
910 extern bool is_gimple_non_addressable (tree t);
912 /* Returns true iff T is a valid call address expression. */
913 extern bool is_gimple_call_addr (tree);
914 /* If T makes a function call, returns the CALL_EXPR operand. */
915 extern tree get_call_expr_in (tree t);
917 extern void recalculate_side_effects (tree);
918 extern tree gimple_register_type (tree);
919 extern void print_gimple_types_stats (void);
920 extern void free_gimple_type_tables (void);
921 extern tree gimple_unsigned_type (tree);
922 extern tree gimple_signed_type (tree);
923 extern alias_set_type gimple_get_alias_set (tree);
924 extern void count_uses_and_derefs (tree, gimple, unsigned *, unsigned *,
926 extern bool walk_stmt_load_store_addr_ops (gimple, void *,
927 bool (*)(gimple, tree, void *),
928 bool (*)(gimple, tree, void *),
929 bool (*)(gimple, tree, void *));
930 extern bool walk_stmt_load_store_ops (gimple, void *,
931 bool (*)(gimple, tree, void *),
932 bool (*)(gimple, tree, void *));
933 extern bool gimple_ior_addresses_taken (bitmap, gimple);
936 extern tree create_tmp_var_raw (tree, const char *);
937 extern tree create_tmp_var_name (const char *);
938 extern tree create_tmp_var (tree, const char *);
939 extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *);
940 extern tree get_formal_tmp_var (tree, gimple_seq *);
941 extern void declare_vars (tree, gimple, bool);
942 extern void tree_annotate_all_with_location (tree *, location_t);
943 extern void annotate_all_with_location (gimple_seq, location_t);
945 /* Validation of GIMPLE expressions. Note that these predicates only check
946 the basic form of the expression, they don't recurse to make sure that
947 underlying nodes are also of the right form. */
948 typedef bool (*gimple_predicate)(tree);
951 /* FIXME we should deduce this from the predicate. */
953 fb_none = 0, /* Do not generate a temporary. */
955 fb_rvalue = 1, /* Generate an rvalue to hold the result of a
956 gimplified expression. */
958 fb_lvalue = 2, /* Generate an lvalue to hold the result of a
959 gimplified expression. */
961 fb_mayfail = 4, /* Gimplification may fail. Error issued
963 fb_either= fb_rvalue | fb_lvalue
966 typedef int fallback_t;
968 enum gimplify_status {
969 GS_ERROR = -2, /* Something Bad Seen. */
970 GS_UNHANDLED = -1, /* A langhook result for "I dunno". */
971 GS_OK = 0, /* We did something, maybe more to do. */
972 GS_ALL_DONE = 1 /* The expression is fully gimplified. */
977 struct gimplify_ctx *prev_context;
979 VEC(gimple,heap) *bind_expr_stack;
981 gimple_seq conditional_cleanups;
985 VEC(tree,heap) *case_labels;
986 /* The formal temporary table. Should this be persistent? */
992 bool allow_rhs_cond_expr;
995 extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *,
996 bool (*) (tree), fallback_t);
997 extern void gimplify_type_sizes (tree, gimple_seq *);
998 extern void gimplify_one_sizepos (tree *, gimple_seq *);
999 extern bool gimplify_stmt (tree *, gimple_seq *);
1000 extern gimple gimplify_body (tree *, tree, bool);
1001 extern void push_gimplify_context (struct gimplify_ctx *);
1002 extern void pop_gimplify_context (gimple);
1003 extern void gimplify_and_add (tree, gimple_seq *);
1005 /* Miscellaneous helpers. */
1006 extern void gimple_add_tmp_var (tree);
1007 extern gimple gimple_current_bind_expr (void);
1008 extern VEC(gimple, heap) *gimple_bind_expr_stack (void);
1009 extern tree voidify_wrapper_expr (tree, tree);
1010 extern tree build_and_jump (tree *);
1011 extern tree alloc_stmt_list (void);
1012 extern void free_stmt_list (tree);
1013 extern tree force_labels_r (tree *, int *, void *);
1014 extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *,
1016 struct gimplify_omp_ctx;
1017 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree);
1018 extern tree gimple_boolify (tree);
1019 extern gimple_predicate rhs_predicate_for (tree);
1020 extern tree canonicalize_cond_expr_cond (tree);
1023 extern tree omp_reduction_init (tree, tree);
1025 /* In tree-nested.c. */
1026 extern void lower_nested_functions (tree);
1027 extern void insert_field_into_struct (tree, tree);
1029 /* In gimplify.c. */
1030 extern void gimplify_function_tree (tree);
1032 /* In cfgexpand.c. */
1033 extern tree gimple_assign_rhs_to_tree (gimple);
1036 extern bool validate_gimple_arglist (const_gimple, ...);
1039 extern bool tree_ssa_useless_type_conversion (tree);
1040 extern tree tree_ssa_strip_useless_type_conversions (tree);
1041 extern bool useless_type_conversion_p (tree, tree);
1042 extern bool types_compatible_p (tree, tree);
1044 /* Return the code for GIMPLE statement G. */
1046 static inline enum gimple_code
1047 gimple_code (const_gimple g)
1049 return g->gsbase.code;
1053 /* Return the GSS code used by a GIMPLE code. */
1055 static inline enum gimple_statement_structure_enum
1056 gss_for_code (enum gimple_code code)
1058 gcc_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE);
1059 return gss_for_code_[code];
1063 /* Return which GSS code is used by GS. */
1065 static inline enum gimple_statement_structure_enum
1066 gimple_statement_structure (gimple gs)
1068 return gss_for_code (gimple_code (gs));
1072 /* Return true if statement G has sub-statements. This is only true for
1073 High GIMPLE statements. */
1076 gimple_has_substatements (gimple g)
1078 switch (gimple_code (g))
1082 case GIMPLE_EH_FILTER:
1084 case GIMPLE_OMP_FOR:
1085 case GIMPLE_OMP_MASTER:
1086 case GIMPLE_OMP_ORDERED:
1087 case GIMPLE_OMP_SECTION:
1088 case GIMPLE_OMP_PARALLEL:
1089 case GIMPLE_OMP_TASK:
1090 case GIMPLE_OMP_SECTIONS:
1091 case GIMPLE_OMP_SINGLE:
1092 case GIMPLE_OMP_CRITICAL:
1093 case GIMPLE_WITH_CLEANUP_EXPR:
1102 /* Return the basic block holding statement G. */
1104 static inline struct basic_block_def *
1105 gimple_bb (const_gimple g)
1107 return g->gsbase.bb;
1111 /* Return the lexical scope block holding statement G. */
1114 gimple_block (const_gimple g)
1116 return g->gsbase.block;
1120 /* Set BLOCK to be the lexical scope block holding statement G. */
1123 gimple_set_block (gimple g, tree block)
1125 g->gsbase.block = block;
1129 /* Return location information for statement G. */
1131 static inline location_t
1132 gimple_location (const_gimple g)
1134 return g->gsbase.location;
1137 /* Return pointer to location information for statement G. */
1139 static inline const location_t *
1140 gimple_location_ptr (const_gimple g)
1142 return &g->gsbase.location;
1146 /* Set location information for statement G. */
1149 gimple_set_location (gimple g, location_t location)
1151 g->gsbase.location = location;
1155 /* Return true if G contains location information. */
1158 gimple_has_location (const_gimple g)
1160 return gimple_location (g) != UNKNOWN_LOCATION;
1164 /* Return the file name of the location of STMT. */
1166 static inline const char *
1167 gimple_filename (const_gimple stmt)
1169 return LOCATION_FILE (gimple_location (stmt));
1173 /* Return the line number of the location of STMT. */
1176 gimple_lineno (const_gimple stmt)
1178 return LOCATION_LINE (gimple_location (stmt));
1182 /* Determine whether SEQ is a singleton. */
1185 gimple_seq_singleton_p (gimple_seq seq)
1187 return ((gimple_seq_first (seq) != NULL)
1188 && (gimple_seq_first (seq) == gimple_seq_last (seq)));
1191 /* Return true if no warnings should be emitted for statement STMT. */
1194 gimple_no_warning_p (const_gimple stmt)
1196 return stmt->gsbase.no_warning;
1199 /* Set the no_warning flag of STMT to NO_WARNING. */
1202 gimple_set_no_warning (gimple stmt, bool no_warning)
1204 stmt->gsbase.no_warning = (unsigned) no_warning;
1207 /* Set the visited status on statement STMT to VISITED_P. */
1210 gimple_set_visited (gimple stmt, bool visited_p)
1212 stmt->gsbase.visited = (unsigned) visited_p;
1216 /* Return the visited status for statement STMT. */
1219 gimple_visited_p (gimple stmt)
1221 return stmt->gsbase.visited;
1225 /* Set pass local flag PLF on statement STMT to VAL_P. */
1228 gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p)
1231 stmt->gsbase.plf |= (unsigned int) plf;
1233 stmt->gsbase.plf &= ~((unsigned int) plf);
1237 /* Return the value of pass local flag PLF on statement STMT. */
1239 static inline unsigned int
1240 gimple_plf (gimple stmt, enum plf_mask plf)
1242 return stmt->gsbase.plf & ((unsigned int) plf);
1246 /* Set the UID of statement. */
1249 gimple_set_uid (gimple g, unsigned uid)
1251 g->gsbase.uid = uid;
1255 /* Return the UID of statement. */
1257 static inline unsigned
1258 gimple_uid (const_gimple g)
1260 return g->gsbase.uid;
1264 /* Return true if GIMPLE statement G has register or memory operands. */
1267 gimple_has_ops (const_gimple g)
1269 return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN;
1273 /* Return true if GIMPLE statement G has memory operands. */
1276 gimple_has_mem_ops (const_gimple g)
1278 return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN;
1282 /* Return the set of DEF operands for statement G. */
1284 static inline struct def_optype_d *
1285 gimple_def_ops (const_gimple g)
1287 if (!gimple_has_ops (g))
1289 return g->gsops.opbase.def_ops;
1293 /* Set DEF to be the set of DEF operands for statement G. */
1296 gimple_set_def_ops (gimple g, struct def_optype_d *def)
1298 gcc_assert (gimple_has_ops (g));
1299 g->gsops.opbase.def_ops = def;
1303 /* Return the set of USE operands for statement G. */
1305 static inline struct use_optype_d *
1306 gimple_use_ops (const_gimple g)
1308 if (!gimple_has_ops (g))
1310 return g->gsops.opbase.use_ops;
1314 /* Set USE to be the set of USE operands for statement G. */
1317 gimple_set_use_ops (gimple g, struct use_optype_d *use)
1319 gcc_assert (gimple_has_ops (g));
1320 g->gsops.opbase.use_ops = use;
1324 /* Return the set of VUSE operand for statement G. */
1326 static inline use_operand_p
1327 gimple_vuse_op (const_gimple g)
1329 struct use_optype_d *ops;
1330 if (!gimple_has_mem_ops (g))
1331 return NULL_USE_OPERAND_P;
1332 ops = g->gsops.opbase.use_ops;
1334 && USE_OP_PTR (ops)->use == &g->gsmem.membase.vuse)
1335 return USE_OP_PTR (ops);
1336 return NULL_USE_OPERAND_P;
1339 /* Return the set of VDEF operand for statement G. */
1341 static inline def_operand_p
1342 gimple_vdef_op (const_gimple g)
1344 struct def_optype_d *ops;
1345 if (!gimple_has_mem_ops (g))
1346 return NULL_DEF_OPERAND_P;
1347 ops = g->gsops.opbase.def_ops;
1349 && DEF_OP_PTR (ops) == &g->gsmem.membase.vdef)
1350 return DEF_OP_PTR (ops);
1351 return NULL_DEF_OPERAND_P;
1355 /* Return the single VUSE operand of the statement G. */
1358 gimple_vuse (const_gimple g)
1360 if (!gimple_has_mem_ops (g))
1362 return g->gsmem.membase.vuse;
1365 /* Return the single VDEF operand of the statement G. */
1368 gimple_vdef (const_gimple g)
1370 if (!gimple_has_mem_ops (g))
1372 return g->gsmem.membase.vdef;
1375 /* Return the single VUSE operand of the statement G. */
1377 static inline tree *
1378 gimple_vuse_ptr (gimple g)
1380 if (!gimple_has_mem_ops (g))
1382 return &g->gsmem.membase.vuse;
1385 /* Return the single VDEF operand of the statement G. */
1387 static inline tree *
1388 gimple_vdef_ptr (gimple g)
1390 if (!gimple_has_mem_ops (g))
1392 return &g->gsmem.membase.vdef;
1395 /* Set the single VUSE operand of the statement G. */
1398 gimple_set_vuse (gimple g, tree vuse)
1400 gcc_assert (gimple_has_mem_ops (g));
1401 g->gsmem.membase.vuse = vuse;
1404 /* Set the single VDEF operand of the statement G. */
1407 gimple_set_vdef (gimple g, tree vdef)
1409 gcc_assert (gimple_has_mem_ops (g));
1410 g->gsmem.membase.vdef = vdef;
1414 /* Return true if statement G has operands and the modified field has
1418 gimple_modified_p (const_gimple g)
1420 return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false;
1424 /* Return the tree code for the expression computed by STMT. This is
1425 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For
1426 GIMPLE_CALL, return CALL_EXPR as the expression code for
1427 consistency. This is useful when the caller needs to deal with the
1428 three kinds of computation that GIMPLE supports. */
1430 static inline enum tree_code
1431 gimple_expr_code (const_gimple stmt)
1433 enum gimple_code code = gimple_code (stmt);
1434 if (code == GIMPLE_ASSIGN || code == GIMPLE_COND)
1435 return (enum tree_code) stmt->gsbase.subcode;
1436 else if (code == GIMPLE_CALL)
1443 /* Mark statement S as modified, and update it. */
1446 update_stmt (gimple s)
1448 if (gimple_has_ops (s))
1450 gimple_set_modified (s, true);
1451 update_stmt_operands (s);
1455 /* Update statement S if it has been optimized. */
1458 update_stmt_if_modified (gimple s)
1460 if (gimple_modified_p (s))
1461 update_stmt_operands (s);
1464 /* Return true if statement STMT contains volatile operands. */
1467 gimple_has_volatile_ops (const_gimple stmt)
1469 if (gimple_has_mem_ops (stmt))
1470 return stmt->gsbase.has_volatile_ops;
1476 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */
1479 gimple_set_has_volatile_ops (gimple stmt, bool volatilep)
1481 if (gimple_has_mem_ops (stmt))
1482 stmt->gsbase.has_volatile_ops = (unsigned) volatilep;
1486 /* Return true if statement STMT may access memory. */
1489 gimple_references_memory_p (gimple stmt)
1491 return gimple_has_mem_ops (stmt) && gimple_vuse (stmt);
1495 /* Return the subcode for OMP statement S. */
1497 static inline unsigned
1498 gimple_omp_subcode (const_gimple s)
1500 gcc_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD
1501 && gimple_code (s) <= GIMPLE_OMP_SINGLE);
1502 return s->gsbase.subcode;
1505 /* Set the subcode for OMP statement S to SUBCODE. */
1508 gimple_omp_set_subcode (gimple s, unsigned int subcode)
1510 /* We only have 16 bits for the subcode. Assert that we are not
1512 gcc_assert (subcode < (1 << 16));
1513 s->gsbase.subcode = subcode;
1516 /* Set the nowait flag on OMP_RETURN statement S. */
1519 gimple_omp_return_set_nowait (gimple s)
1521 GIMPLE_CHECK (s, GIMPLE_OMP_RETURN);
1522 s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT;
1526 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT
1530 gimple_omp_return_nowait_p (const_gimple g)
1532 GIMPLE_CHECK (g, GIMPLE_OMP_RETURN);
1533 return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0;
1537 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST
1541 gimple_omp_section_last_p (const_gimple g)
1543 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1544 return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0;
1548 /* Set the GF_OMP_SECTION_LAST flag on G. */
1551 gimple_omp_section_set_last (gimple g)
1553 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1554 g->gsbase.subcode |= GF_OMP_SECTION_LAST;
1558 /* Return true if OMP parallel statement G has the
1559 GF_OMP_PARALLEL_COMBINED flag set. */
1562 gimple_omp_parallel_combined_p (const_gimple g)
1564 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1565 return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0;
1569 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean
1570 value of COMBINED_P. */
1573 gimple_omp_parallel_set_combined_p (gimple g, bool combined_p)
1575 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1577 g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED;
1579 g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED;
1583 /* Return the number of operands for statement GS. */
1585 static inline unsigned
1586 gimple_num_ops (const_gimple gs)
1588 return gs->gsbase.num_ops;
1592 /* Set the number of operands for statement GS. */
1595 gimple_set_num_ops (gimple gs, unsigned num_ops)
1597 gs->gsbase.num_ops = num_ops;
1601 /* Return the array of operands for statement GS. */
1603 static inline tree *
1604 gimple_ops (gimple gs)
1608 /* All the tuples have their operand vector at the very bottom
1609 of the structure. Note that those structures that do not
1610 have an operand vector have a zero offset. */
1611 off = gimple_ops_offset_[gimple_statement_structure (gs)];
1612 gcc_assert (off != 0);
1614 return (tree *) ((char *) gs + off);
1618 /* Return operand I for statement GS. */
1621 gimple_op (const_gimple gs, unsigned i)
1623 if (gimple_has_ops (gs))
1625 gcc_assert (i < gimple_num_ops (gs));
1626 return gimple_ops (CONST_CAST_GIMPLE (gs))[i];
1632 /* Return a pointer to operand I for statement GS. */
1634 static inline tree *
1635 gimple_op_ptr (const_gimple gs, unsigned i)
1637 if (gimple_has_ops (gs))
1639 gcc_assert (i < gimple_num_ops (gs));
1640 return gimple_ops (CONST_CAST_GIMPLE (gs)) + i;
1646 /* Set operand I of statement GS to OP. */
1649 gimple_set_op (gimple gs, unsigned i, tree op)
1651 gcc_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs));
1653 /* Note. It may be tempting to assert that OP matches
1654 is_gimple_operand, but that would be wrong. Different tuples
1655 accept slightly different sets of tree operands. Each caller
1656 should perform its own validation. */
1657 gimple_ops (gs)[i] = op;
1660 /* Return true if GS is a GIMPLE_ASSIGN. */
1663 is_gimple_assign (const_gimple gs)
1665 return gimple_code (gs) == GIMPLE_ASSIGN;
1668 /* Determine if expression CODE is one of the valid expressions that can
1669 be used on the RHS of GIMPLE assignments. */
1671 static inline enum gimple_rhs_class
1672 get_gimple_rhs_class (enum tree_code code)
1674 return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code];
1677 /* Return the LHS of assignment statement GS. */
1680 gimple_assign_lhs (const_gimple gs)
1682 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1683 return gimple_op (gs, 0);
1687 /* Return a pointer to the LHS of assignment statement GS. */
1689 static inline tree *
1690 gimple_assign_lhs_ptr (const_gimple gs)
1692 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1693 return gimple_op_ptr (gs, 0);
1697 /* Set LHS to be the LHS operand of assignment statement GS. */
1700 gimple_assign_set_lhs (gimple gs, tree lhs)
1702 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1703 gcc_assert (is_gimple_operand (lhs));
1704 gimple_set_op (gs, 0, lhs);
1706 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1707 SSA_NAME_DEF_STMT (lhs) = gs;
1711 /* Return the first operand on the RHS of assignment statement GS. */
1714 gimple_assign_rhs1 (const_gimple gs)
1716 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1717 return gimple_op (gs, 1);
1721 /* Return a pointer to the first operand on the RHS of assignment
1724 static inline tree *
1725 gimple_assign_rhs1_ptr (const_gimple gs)
1727 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1728 return gimple_op_ptr (gs, 1);
1731 /* Set RHS to be the first operand on the RHS of assignment statement GS. */
1734 gimple_assign_set_rhs1 (gimple gs, tree rhs)
1736 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1738 /* If there are 3 or more operands, the 2 operands on the RHS must be
1740 if (gimple_num_ops (gs) >= 3)
1741 gcc_assert (is_gimple_val (rhs));
1743 gcc_assert (is_gimple_operand (rhs));
1745 gimple_set_op (gs, 1, rhs);
1749 /* Return the second operand on the RHS of assignment statement GS.
1750 If GS does not have two operands, NULL is returned instead. */
1753 gimple_assign_rhs2 (const_gimple gs)
1755 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1757 if (gimple_num_ops (gs) >= 3)
1758 return gimple_op (gs, 2);
1764 /* Return a pointer to the second operand on the RHS of assignment
1767 static inline tree *
1768 gimple_assign_rhs2_ptr (const_gimple gs)
1770 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1771 return gimple_op_ptr (gs, 2);
1775 /* Set RHS to be the second operand on the RHS of assignment statement GS. */
1778 gimple_assign_set_rhs2 (gimple gs, tree rhs)
1780 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1782 /* The 2 operands on the RHS must be GIMPLE values. */
1783 gcc_assert (is_gimple_val (rhs));
1785 gimple_set_op (gs, 2, rhs);
1788 /* Returns true if GS is a nontemporal move. */
1791 gimple_assign_nontemporal_move_p (const_gimple gs)
1793 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1794 return gs->gsbase.nontemporal_move;
1797 /* Sets nontemporal move flag of GS to NONTEMPORAL. */
1800 gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal)
1802 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1803 gs->gsbase.nontemporal_move = nontemporal;
1807 /* Return the code of the expression computed on the rhs of assignment
1808 statement GS. In case that the RHS is a single object, returns the
1809 tree code of the object. */
1811 static inline enum tree_code
1812 gimple_assign_rhs_code (const_gimple gs)
1814 enum tree_code code;
1815 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1817 code = gimple_expr_code (gs);
1818 if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS)
1819 code = TREE_CODE (gimple_assign_rhs1 (gs));
1825 /* Set CODE to be the code for the expression computed on the RHS of
1829 gimple_assign_set_rhs_code (gimple s, enum tree_code code)
1831 GIMPLE_CHECK (s, GIMPLE_ASSIGN);
1832 s->gsbase.subcode = code;
1836 /* Return the gimple rhs class of the code of the expression computed on
1837 the rhs of assignment statement GS.
1838 This will never return GIMPLE_INVALID_RHS. */
1840 static inline enum gimple_rhs_class
1841 gimple_assign_rhs_class (const_gimple gs)
1843 return get_gimple_rhs_class (gimple_assign_rhs_code (gs));
1847 /* Return true if S is a type-cast assignment. */
1850 gimple_assign_cast_p (gimple s)
1852 if (is_gimple_assign (s))
1854 enum tree_code sc = gimple_assign_rhs_code (s);
1855 return CONVERT_EXPR_CODE_P (sc)
1856 || sc == VIEW_CONVERT_EXPR
1857 || sc == FIX_TRUNC_EXPR;
1864 /* Return true if GS is a GIMPLE_CALL. */
1867 is_gimple_call (const_gimple gs)
1869 return gimple_code (gs) == GIMPLE_CALL;
1872 /* Return the LHS of call statement GS. */
1875 gimple_call_lhs (const_gimple gs)
1877 GIMPLE_CHECK (gs, GIMPLE_CALL);
1878 return gimple_op (gs, 0);
1882 /* Return a pointer to the LHS of call statement GS. */
1884 static inline tree *
1885 gimple_call_lhs_ptr (const_gimple gs)
1887 GIMPLE_CHECK (gs, GIMPLE_CALL);
1888 return gimple_op_ptr (gs, 0);
1892 /* Set LHS to be the LHS operand of call statement GS. */
1895 gimple_call_set_lhs (gimple gs, tree lhs)
1897 GIMPLE_CHECK (gs, GIMPLE_CALL);
1898 gcc_assert (!lhs || is_gimple_operand (lhs));
1899 gimple_set_op (gs, 0, lhs);
1900 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1901 SSA_NAME_DEF_STMT (lhs) = gs;
1905 /* Return the tree node representing the function called by call
1909 gimple_call_fn (const_gimple gs)
1911 GIMPLE_CHECK (gs, GIMPLE_CALL);
1912 return gimple_op (gs, 1);
1916 /* Return a pointer to the tree node representing the function called by call
1919 static inline tree *
1920 gimple_call_fn_ptr (const_gimple gs)
1922 GIMPLE_CHECK (gs, GIMPLE_CALL);
1923 return gimple_op_ptr (gs, 1);
1927 /* Set FN to be the function called by call statement GS. */
1930 gimple_call_set_fn (gimple gs, tree fn)
1932 GIMPLE_CHECK (gs, GIMPLE_CALL);
1933 gcc_assert (is_gimple_operand (fn));
1934 gimple_set_op (gs, 1, fn);
1938 /* Set FNDECL to be the function called by call statement GS. */
1941 gimple_call_set_fndecl (gimple gs, tree decl)
1943 GIMPLE_CHECK (gs, GIMPLE_CALL);
1944 gcc_assert (TREE_CODE (decl) == FUNCTION_DECL);
1945 gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl));
1949 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it.
1950 Otherwise return NULL. This function is analogous to
1951 get_callee_fndecl in tree land. */
1954 gimple_call_fndecl (const_gimple gs)
1956 tree addr = gimple_call_fn (gs);
1957 if (TREE_CODE (addr) == ADDR_EXPR)
1959 gcc_assert (TREE_CODE (TREE_OPERAND (addr, 0)) == FUNCTION_DECL);
1960 return TREE_OPERAND (addr, 0);
1966 /* Return the type returned by call statement GS. */
1969 gimple_call_return_type (const_gimple gs)
1971 tree fn = gimple_call_fn (gs);
1972 tree type = TREE_TYPE (fn);
1974 /* See through the pointer. */
1975 gcc_assert (POINTER_TYPE_P (type));
1976 type = TREE_TYPE (type);
1978 gcc_assert (TREE_CODE (type) == FUNCTION_TYPE
1979 || TREE_CODE (type) == METHOD_TYPE);
1981 /* The type returned by a FUNCTION_DECL is the type of its
1983 return TREE_TYPE (type);
1987 /* Return the static chain for call statement GS. */
1990 gimple_call_chain (const_gimple gs)
1992 GIMPLE_CHECK (gs, GIMPLE_CALL);
1993 return gimple_op (gs, 2);
1997 /* Return a pointer to the static chain for call statement GS. */
1999 static inline tree *
2000 gimple_call_chain_ptr (const_gimple gs)
2002 GIMPLE_CHECK (gs, GIMPLE_CALL);
2003 return gimple_op_ptr (gs, 2);
2006 /* Set CHAIN to be the static chain for call statement GS. */
2009 gimple_call_set_chain (gimple gs, tree chain)
2011 GIMPLE_CHECK (gs, GIMPLE_CALL);
2012 gcc_assert (chain == NULL
2013 || TREE_CODE (chain) == ADDR_EXPR
2014 || SSA_VAR_P (chain));
2015 gimple_set_op (gs, 2, chain);
2019 /* Return the number of arguments used by call statement GS. */
2021 static inline unsigned
2022 gimple_call_num_args (const_gimple gs)
2025 GIMPLE_CHECK (gs, GIMPLE_CALL);
2026 num_ops = gimple_num_ops (gs);
2027 gcc_assert (num_ops >= 3);
2032 /* Return the argument at position INDEX for call statement GS. */
2035 gimple_call_arg (const_gimple gs, unsigned index)
2037 GIMPLE_CHECK (gs, GIMPLE_CALL);
2038 return gimple_op (gs, index + 3);
2042 /* Return a pointer to the argument at position INDEX for call
2045 static inline tree *
2046 gimple_call_arg_ptr (const_gimple gs, unsigned index)
2048 GIMPLE_CHECK (gs, GIMPLE_CALL);
2049 return gimple_op_ptr (gs, index + 3);
2053 /* Set ARG to be the argument at position INDEX for call statement GS. */
2056 gimple_call_set_arg (gimple gs, unsigned index, tree arg)
2058 GIMPLE_CHECK (gs, GIMPLE_CALL);
2059 gcc_assert (is_gimple_operand (arg));
2060 gimple_set_op (gs, index + 3, arg);
2064 /* If TAIL_P is true, mark call statement S as being a tail call
2065 (i.e., a call just before the exit of a function). These calls are
2066 candidate for tail call optimization. */
2069 gimple_call_set_tail (gimple s, bool tail_p)
2071 GIMPLE_CHECK (s, GIMPLE_CALL);
2073 s->gsbase.subcode |= GF_CALL_TAILCALL;
2075 s->gsbase.subcode &= ~GF_CALL_TAILCALL;
2079 /* Return true if GIMPLE_CALL S is marked as a tail call. */
2082 gimple_call_tail_p (gimple s)
2084 GIMPLE_CHECK (s, GIMPLE_CALL);
2085 return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0;
2089 /* Set the inlinable status of GIMPLE_CALL S to INLINABLE_P. */
2092 gimple_call_set_cannot_inline (gimple s, bool inlinable_p)
2094 GIMPLE_CHECK (s, GIMPLE_CALL);
2096 s->gsbase.subcode |= GF_CALL_CANNOT_INLINE;
2098 s->gsbase.subcode &= ~GF_CALL_CANNOT_INLINE;
2102 /* Return true if GIMPLE_CALL S cannot be inlined. */
2105 gimple_call_cannot_inline_p (gimple s)
2107 GIMPLE_CHECK (s, GIMPLE_CALL);
2108 return (s->gsbase.subcode & GF_CALL_CANNOT_INLINE) != 0;
2112 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return
2113 slot optimization. This transformation uses the target of the call
2114 expansion as the return slot for calls that return in memory. */
2117 gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p)
2119 GIMPLE_CHECK (s, GIMPLE_CALL);
2120 if (return_slot_opt_p)
2121 s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT;
2123 s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT;
2127 /* Return true if S is marked for return slot optimization. */
2130 gimple_call_return_slot_opt_p (gimple s)
2132 GIMPLE_CHECK (s, GIMPLE_CALL);
2133 return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0;
2137 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a
2138 thunk to the thunked-to function. */
2141 gimple_call_set_from_thunk (gimple s, bool from_thunk_p)
2143 GIMPLE_CHECK (s, GIMPLE_CALL);
2145 s->gsbase.subcode |= GF_CALL_FROM_THUNK;
2147 s->gsbase.subcode &= ~GF_CALL_FROM_THUNK;
2151 /* Return true if GIMPLE_CALL S is a jump from a thunk. */
2154 gimple_call_from_thunk_p (gimple s)
2156 GIMPLE_CHECK (s, GIMPLE_CALL);
2157 return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0;
2161 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the
2162 argument pack in its argument list. */
2165 gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p)
2167 GIMPLE_CHECK (s, GIMPLE_CALL);
2168 if (pass_arg_pack_p)
2169 s->gsbase.subcode |= GF_CALL_VA_ARG_PACK;
2171 s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK;
2175 /* Return true if GIMPLE_CALL S is a stdarg call that needs the
2176 argument pack in its argument list. */
2179 gimple_call_va_arg_pack_p (gimple s)
2181 GIMPLE_CHECK (s, GIMPLE_CALL);
2182 return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0;
2186 /* Return true if S is a noreturn call. */
2189 gimple_call_noreturn_p (gimple s)
2191 GIMPLE_CHECK (s, GIMPLE_CALL);
2192 return (gimple_call_flags (s) & ECF_NORETURN) != 0;
2196 /* Return true if S is a nothrow call. */
2199 gimple_call_nothrow_p (gimple s)
2201 GIMPLE_CHECK (s, GIMPLE_CALL);
2202 return (gimple_call_flags (s) & ECF_NOTHROW) != 0;
2206 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */
2209 gimple_call_copy_flags (gimple dest_call, gimple orig_call)
2211 GIMPLE_CHECK (dest_call, GIMPLE_CALL);
2212 GIMPLE_CHECK (orig_call, GIMPLE_CALL);
2213 dest_call->gsbase.subcode = orig_call->gsbase.subcode;
2217 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a
2221 gimple_has_lhs (gimple stmt)
2223 return (is_gimple_assign (stmt)
2224 || (is_gimple_call (stmt)
2225 && gimple_call_lhs (stmt) != NULL_TREE));
2229 /* Return the code of the predicate computed by conditional statement GS. */
2231 static inline enum tree_code
2232 gimple_cond_code (const_gimple gs)
2234 GIMPLE_CHECK (gs, GIMPLE_COND);
2235 return (enum tree_code) gs->gsbase.subcode;
2239 /* Set CODE to be the predicate code for the conditional statement GS. */
2242 gimple_cond_set_code (gimple gs, enum tree_code code)
2244 GIMPLE_CHECK (gs, GIMPLE_COND);
2245 gcc_assert (TREE_CODE_CLASS (code) == tcc_comparison);
2246 gs->gsbase.subcode = code;
2250 /* Return the LHS of the predicate computed by conditional statement GS. */
2253 gimple_cond_lhs (const_gimple gs)
2255 GIMPLE_CHECK (gs, GIMPLE_COND);
2256 return gimple_op (gs, 0);
2259 /* Return the pointer to the LHS of the predicate computed by conditional
2262 static inline tree *
2263 gimple_cond_lhs_ptr (const_gimple gs)
2265 GIMPLE_CHECK (gs, GIMPLE_COND);
2266 return gimple_op_ptr (gs, 0);
2269 /* Set LHS to be the LHS operand of the predicate computed by
2270 conditional statement GS. */
2273 gimple_cond_set_lhs (gimple gs, tree lhs)
2275 GIMPLE_CHECK (gs, GIMPLE_COND);
2276 gcc_assert (is_gimple_operand (lhs));
2277 gimple_set_op (gs, 0, lhs);
2281 /* Return the RHS operand of the predicate computed by conditional GS. */
2284 gimple_cond_rhs (const_gimple gs)
2286 GIMPLE_CHECK (gs, GIMPLE_COND);
2287 return gimple_op (gs, 1);
2290 /* Return the pointer to the RHS operand of the predicate computed by
2293 static inline tree *
2294 gimple_cond_rhs_ptr (const_gimple gs)
2296 GIMPLE_CHECK (gs, GIMPLE_COND);
2297 return gimple_op_ptr (gs, 1);
2301 /* Set RHS to be the RHS operand of the predicate computed by
2302 conditional statement GS. */
2305 gimple_cond_set_rhs (gimple gs, tree rhs)
2307 GIMPLE_CHECK (gs, GIMPLE_COND);
2308 gcc_assert (is_gimple_operand (rhs));
2309 gimple_set_op (gs, 1, rhs);
2313 /* Return the label used by conditional statement GS when its
2314 predicate evaluates to true. */
2317 gimple_cond_true_label (const_gimple gs)
2319 GIMPLE_CHECK (gs, GIMPLE_COND);
2320 return gimple_op (gs, 2);
2324 /* Set LABEL to be the label used by conditional statement GS when its
2325 predicate evaluates to true. */
2328 gimple_cond_set_true_label (gimple gs, tree label)
2330 GIMPLE_CHECK (gs, GIMPLE_COND);
2331 gcc_assert (!label || TREE_CODE (label) == LABEL_DECL);
2332 gimple_set_op (gs, 2, label);
2336 /* Set LABEL to be the label used by conditional statement GS when its
2337 predicate evaluates to false. */
2340 gimple_cond_set_false_label (gimple gs, tree label)
2342 GIMPLE_CHECK (gs, GIMPLE_COND);
2343 gcc_assert (!label || TREE_CODE (label) == LABEL_DECL);
2344 gimple_set_op (gs, 3, label);
2348 /* Return the label used by conditional statement GS when its
2349 predicate evaluates to false. */
2352 gimple_cond_false_label (const_gimple gs)
2354 GIMPLE_CHECK (gs, GIMPLE_COND);
2355 return gimple_op (gs, 3);
2359 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */
2362 gimple_cond_make_false (gimple gs)
2364 gimple_cond_set_lhs (gs, boolean_true_node);
2365 gimple_cond_set_rhs (gs, boolean_false_node);
2366 gs->gsbase.subcode = EQ_EXPR;
2370 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */
2373 gimple_cond_make_true (gimple gs)
2375 gimple_cond_set_lhs (gs, boolean_true_node);
2376 gimple_cond_set_rhs (gs, boolean_true_node);
2377 gs->gsbase.subcode = EQ_EXPR;
2380 /* Check if conditional statemente GS is of the form 'if (1 == 1)',
2381 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */
2384 gimple_cond_true_p (const_gimple gs)
2386 tree lhs = gimple_cond_lhs (gs);
2387 tree rhs = gimple_cond_rhs (gs);
2388 enum tree_code code = gimple_cond_code (gs);
2390 if (lhs != boolean_true_node && lhs != boolean_false_node)
2393 if (rhs != boolean_true_node && rhs != boolean_false_node)
2396 if (code == NE_EXPR && lhs != rhs)
2399 if (code == EQ_EXPR && lhs == rhs)
2405 /* Check if conditional statement GS is of the form 'if (1 != 1)',
2406 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */
2409 gimple_cond_false_p (const_gimple gs)
2411 tree lhs = gimple_cond_lhs (gs);
2412 tree rhs = gimple_cond_rhs (gs);
2413 enum tree_code code = gimple_cond_code (gs);
2415 if (lhs != boolean_true_node && lhs != boolean_false_node)
2418 if (rhs != boolean_true_node && rhs != boolean_false_node)
2421 if (code == NE_EXPR && lhs == rhs)
2424 if (code == EQ_EXPR && lhs != rhs)
2430 /* Check if conditional statement GS is of the form 'if (var != 0)' or
2434 gimple_cond_single_var_p (gimple gs)
2436 if (gimple_cond_code (gs) == NE_EXPR
2437 && gimple_cond_rhs (gs) == boolean_false_node)
2440 if (gimple_cond_code (gs) == EQ_EXPR
2441 && gimple_cond_rhs (gs) == boolean_true_node)
2447 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */
2450 gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs)
2452 gimple_cond_set_code (stmt, code);
2453 gimple_cond_set_lhs (stmt, lhs);
2454 gimple_cond_set_rhs (stmt, rhs);
2457 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */
2460 gimple_label_label (const_gimple gs)
2462 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2463 return gimple_op (gs, 0);
2467 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement
2471 gimple_label_set_label (gimple gs, tree label)
2473 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2474 gcc_assert (TREE_CODE (label) == LABEL_DECL);
2475 gimple_set_op (gs, 0, label);
2479 /* Return the destination of the unconditional jump GS. */
2482 gimple_goto_dest (const_gimple gs)
2484 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2485 return gimple_op (gs, 0);
2489 /* Set DEST to be the destination of the unconditonal jump GS. */
2492 gimple_goto_set_dest (gimple gs, tree dest)
2494 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2495 gcc_assert (is_gimple_operand (dest));
2496 gimple_set_op (gs, 0, dest);
2500 /* Return the variables declared in the GIMPLE_BIND statement GS. */
2503 gimple_bind_vars (const_gimple gs)
2505 GIMPLE_CHECK (gs, GIMPLE_BIND);
2506 return gs->gimple_bind.vars;
2510 /* Set VARS to be the set of variables declared in the GIMPLE_BIND
2514 gimple_bind_set_vars (gimple gs, tree vars)
2516 GIMPLE_CHECK (gs, GIMPLE_BIND);
2517 gs->gimple_bind.vars = vars;
2521 /* Append VARS to the set of variables declared in the GIMPLE_BIND
2525 gimple_bind_append_vars (gimple gs, tree vars)
2527 GIMPLE_CHECK (gs, GIMPLE_BIND);
2528 gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars);
2532 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */
2534 static inline gimple_seq
2535 gimple_bind_body (gimple gs)
2537 GIMPLE_CHECK (gs, GIMPLE_BIND);
2538 return gs->gimple_bind.body;
2542 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND
2546 gimple_bind_set_body (gimple gs, gimple_seq seq)
2548 GIMPLE_CHECK (gs, GIMPLE_BIND);
2549 gs->gimple_bind.body = seq;
2553 /* Append a statement to the end of a GIMPLE_BIND's body. */
2556 gimple_bind_add_stmt (gimple gs, gimple stmt)
2558 GIMPLE_CHECK (gs, GIMPLE_BIND);
2559 gimple_seq_add_stmt (&gs->gimple_bind.body, stmt);
2563 /* Append a sequence of statements to the end of a GIMPLE_BIND's body. */
2566 gimple_bind_add_seq (gimple gs, gimple_seq seq)
2568 GIMPLE_CHECK (gs, GIMPLE_BIND);
2569 gimple_seq_add_seq (&gs->gimple_bind.body, seq);
2573 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement
2574 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */
2577 gimple_bind_block (const_gimple gs)
2579 GIMPLE_CHECK (gs, GIMPLE_BIND);
2580 return gs->gimple_bind.block;
2584 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND
2588 gimple_bind_set_block (gimple gs, tree block)
2590 GIMPLE_CHECK (gs, GIMPLE_BIND);
2591 gcc_assert (block == NULL_TREE || TREE_CODE (block) == BLOCK);
2592 gs->gimple_bind.block = block;
2596 /* Return the number of input operands for GIMPLE_ASM GS. */
2598 static inline unsigned
2599 gimple_asm_ninputs (const_gimple gs)
2601 GIMPLE_CHECK (gs, GIMPLE_ASM);
2602 return gs->gimple_asm.ni;
2606 /* Return the number of output operands for GIMPLE_ASM GS. */
2608 static inline unsigned
2609 gimple_asm_noutputs (const_gimple gs)
2611 GIMPLE_CHECK (gs, GIMPLE_ASM);
2612 return gs->gimple_asm.no;
2616 /* Return the number of clobber operands for GIMPLE_ASM GS. */
2618 static inline unsigned
2619 gimple_asm_nclobbers (const_gimple gs)
2621 GIMPLE_CHECK (gs, GIMPLE_ASM);
2622 return gs->gimple_asm.nc;
2625 /* Return the number of label operands for GIMPLE_ASM GS. */
2627 static inline unsigned
2628 gimple_asm_nlabels (const_gimple gs)
2630 GIMPLE_CHECK (gs, GIMPLE_ASM);
2631 return gs->gimple_asm.nl;
2634 /* Return input operand INDEX of GIMPLE_ASM GS. */
2637 gimple_asm_input_op (const_gimple gs, unsigned index)
2639 GIMPLE_CHECK (gs, GIMPLE_ASM);
2640 gcc_assert (index <= gs->gimple_asm.ni);
2641 return gimple_op (gs, index);
2644 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */
2646 static inline tree *
2647 gimple_asm_input_op_ptr (const_gimple gs, unsigned index)
2649 GIMPLE_CHECK (gs, GIMPLE_ASM);
2650 gcc_assert (index <= gs->gimple_asm.ni);
2651 return gimple_op_ptr (gs, index);
2655 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */
2658 gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op)
2660 GIMPLE_CHECK (gs, GIMPLE_ASM);
2661 gcc_assert (index <= gs->gimple_asm.ni);
2662 gcc_assert (TREE_CODE (in_op) == TREE_LIST);
2663 gimple_set_op (gs, index, in_op);
2667 /* Return output operand INDEX of GIMPLE_ASM GS. */
2670 gimple_asm_output_op (const_gimple gs, unsigned index)
2672 GIMPLE_CHECK (gs, GIMPLE_ASM);
2673 gcc_assert (index <= gs->gimple_asm.no);
2674 return gimple_op (gs, index + gs->gimple_asm.ni);
2677 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */
2679 static inline tree *
2680 gimple_asm_output_op_ptr (const_gimple gs, unsigned index)
2682 GIMPLE_CHECK (gs, GIMPLE_ASM);
2683 gcc_assert (index <= gs->gimple_asm.no);
2684 return gimple_op_ptr (gs, index + gs->gimple_asm.ni);
2688 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */
2691 gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op)
2693 GIMPLE_CHECK (gs, GIMPLE_ASM);
2694 gcc_assert (index <= gs->gimple_asm.no);
2695 gcc_assert (TREE_CODE (out_op) == TREE_LIST);
2696 gimple_set_op (gs, index + gs->gimple_asm.ni, out_op);
2700 /* Return clobber operand INDEX of GIMPLE_ASM GS. */
2703 gimple_asm_clobber_op (const_gimple gs, unsigned index)
2705 GIMPLE_CHECK (gs, GIMPLE_ASM);
2706 gcc_assert (index <= gs->gimple_asm.nc);
2707 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no);
2711 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */
2714 gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op)
2716 GIMPLE_CHECK (gs, GIMPLE_ASM);
2717 gcc_assert (index <= gs->gimple_asm.nc);
2718 gcc_assert (TREE_CODE (clobber_op) == TREE_LIST);
2719 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op);
2722 /* Return label operand INDEX of GIMPLE_ASM GS. */
2725 gimple_asm_label_op (const_gimple gs, unsigned index)
2727 GIMPLE_CHECK (gs, GIMPLE_ASM);
2728 gcc_assert (index <= gs->gimple_asm.nl);
2729 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc);
2732 /* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS. */
2735 gimple_asm_set_label_op (gimple gs, unsigned index, tree label_op)
2737 GIMPLE_CHECK (gs, GIMPLE_ASM);
2738 gcc_assert (index <= gs->gimple_asm.nl);
2739 gcc_assert (TREE_CODE (label_op) == TREE_LIST);
2740 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc, label_op);
2743 /* Return the string representing the assembly instruction in
2746 static inline const char *
2747 gimple_asm_string (const_gimple gs)
2749 GIMPLE_CHECK (gs, GIMPLE_ASM);
2750 return gs->gimple_asm.string;
2754 /* Return true if GS is an asm statement marked volatile. */
2757 gimple_asm_volatile_p (const_gimple gs)
2759 GIMPLE_CHECK (gs, GIMPLE_ASM);
2760 return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0;
2764 /* If VOLATLE_P is true, mark asm statement GS as volatile. */
2767 gimple_asm_set_volatile (gimple gs, bool volatile_p)
2769 GIMPLE_CHECK (gs, GIMPLE_ASM);
2771 gs->gsbase.subcode |= GF_ASM_VOLATILE;
2773 gs->gsbase.subcode &= ~GF_ASM_VOLATILE;
2777 /* If INPUT_P is true, mark asm GS as an ASM_INPUT. */
2780 gimple_asm_set_input (gimple gs, bool input_p)
2782 GIMPLE_CHECK (gs, GIMPLE_ASM);
2784 gs->gsbase.subcode |= GF_ASM_INPUT;
2786 gs->gsbase.subcode &= ~GF_ASM_INPUT;
2790 /* Return true if asm GS is an ASM_INPUT. */
2793 gimple_asm_input_p (const_gimple gs)
2795 GIMPLE_CHECK (gs, GIMPLE_ASM);
2796 return (gs->gsbase.subcode & GF_ASM_INPUT) != 0;
2800 /* Return the types handled by GIMPLE_CATCH statement GS. */
2803 gimple_catch_types (const_gimple gs)
2805 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2806 return gs->gimple_catch.types;
2810 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */
2812 static inline tree *
2813 gimple_catch_types_ptr (gimple gs)
2815 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2816 return &gs->gimple_catch.types;
2820 /* Return the GIMPLE sequence representing the body of the handler of
2821 GIMPLE_CATCH statement GS. */
2823 static inline gimple_seq
2824 gimple_catch_handler (gimple gs)
2826 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2827 return gs->gimple_catch.handler;
2831 /* Return a pointer to the GIMPLE sequence representing the body of
2832 the handler of GIMPLE_CATCH statement GS. */
2834 static inline gimple_seq *
2835 gimple_catch_handler_ptr (gimple gs)
2837 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2838 return &gs->gimple_catch.handler;
2842 /* Set T to be the set of types handled by GIMPLE_CATCH GS. */
2845 gimple_catch_set_types (gimple gs, tree t)
2847 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2848 gs->gimple_catch.types = t;
2852 /* Set HANDLER to be the body of GIMPLE_CATCH GS. */
2855 gimple_catch_set_handler (gimple gs, gimple_seq handler)
2857 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2858 gs->gimple_catch.handler = handler;
2862 /* Return the types handled by GIMPLE_EH_FILTER statement GS. */
2865 gimple_eh_filter_types (const_gimple gs)
2867 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2868 return gs->gimple_eh_filter.types;
2872 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement
2875 static inline tree *
2876 gimple_eh_filter_types_ptr (gimple gs)
2878 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2879 return &gs->gimple_eh_filter.types;
2883 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER
2886 static inline gimple_seq
2887 gimple_eh_filter_failure (gimple gs)
2889 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2890 return gs->gimple_eh_filter.failure;
2894 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */
2897 gimple_eh_filter_set_types (gimple gs, tree types)
2899 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2900 gs->gimple_eh_filter.types = types;
2904 /* Set FAILURE to be the sequence of statements to execute on failure
2905 for GIMPLE_EH_FILTER GS. */
2908 gimple_eh_filter_set_failure (gimple gs, gimple_seq failure)
2910 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2911 gs->gimple_eh_filter.failure = failure;
2914 /* Get the function decl to be called by the MUST_NOT_THROW region. */
2917 gimple_eh_must_not_throw_fndecl (gimple gs)
2919 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
2920 return gs->gimple_eh_mnt.fndecl;
2923 /* Set the function decl to be called by GS to DECL. */
2926 gimple_eh_must_not_throw_set_fndecl (gimple gs, tree decl)
2928 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
2929 gs->gimple_eh_mnt.fndecl = decl;
2933 /* GIMPLE_TRY accessors. */
2935 /* Return the kind of try block represented by GIMPLE_TRY GS. This is
2936 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */
2938 static inline enum gimple_try_flags
2939 gimple_try_kind (const_gimple gs)
2941 GIMPLE_CHECK (gs, GIMPLE_TRY);
2942 return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND);
2946 /* Set the kind of try block represented by GIMPLE_TRY GS. */
2949 gimple_try_set_kind (gimple gs, enum gimple_try_flags kind)
2951 GIMPLE_CHECK (gs, GIMPLE_TRY);
2952 gcc_assert (kind == GIMPLE_TRY_CATCH || kind == GIMPLE_TRY_FINALLY);
2953 if (gimple_try_kind (gs) != kind)
2954 gs->gsbase.subcode = (unsigned int) kind;
2958 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
2961 gimple_try_catch_is_cleanup (const_gimple gs)
2963 gcc_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH);
2964 return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0;
2968 /* Return the sequence of statements used as the body for GIMPLE_TRY GS. */
2970 static inline gimple_seq
2971 gimple_try_eval (gimple gs)
2973 GIMPLE_CHECK (gs, GIMPLE_TRY);
2974 return gs->gimple_try.eval;
2978 /* Return the sequence of statements used as the cleanup body for
2981 static inline gimple_seq
2982 gimple_try_cleanup (gimple gs)
2984 GIMPLE_CHECK (gs, GIMPLE_TRY);
2985 return gs->gimple_try.cleanup;
2989 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
2992 gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup)
2994 gcc_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH);
2995 if (catch_is_cleanup)
2996 g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP;
2998 g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP;
3002 /* Set EVAL to be the sequence of statements to use as the body for
3006 gimple_try_set_eval (gimple gs, gimple_seq eval)
3008 GIMPLE_CHECK (gs, GIMPLE_TRY);
3009 gs->gimple_try.eval = eval;
3013 /* Set CLEANUP to be the sequence of statements to use as the cleanup
3014 body for GIMPLE_TRY GS. */
3017 gimple_try_set_cleanup (gimple gs, gimple_seq cleanup)
3019 GIMPLE_CHECK (gs, GIMPLE_TRY);
3020 gs->gimple_try.cleanup = cleanup;
3024 /* Return the cleanup sequence for cleanup statement GS. */
3026 static inline gimple_seq
3027 gimple_wce_cleanup (gimple gs)
3029 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3030 return gs->gimple_wce.cleanup;
3034 /* Set CLEANUP to be the cleanup sequence for GS. */
3037 gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup)
3039 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3040 gs->gimple_wce.cleanup = cleanup;
3044 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */
3047 gimple_wce_cleanup_eh_only (const_gimple gs)
3049 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3050 return gs->gsbase.subcode != 0;
3054 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */
3057 gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p)
3059 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3060 gs->gsbase.subcode = (unsigned int) eh_only_p;
3064 /* Return the maximum number of arguments supported by GIMPLE_PHI GS. */
3066 static inline unsigned
3067 gimple_phi_capacity (const_gimple gs)
3069 GIMPLE_CHECK (gs, GIMPLE_PHI);
3070 return gs->gimple_phi.capacity;
3074 /* Return the number of arguments in GIMPLE_PHI GS. This must always
3075 be exactly the number of incoming edges for the basic block holding
3078 static inline unsigned
3079 gimple_phi_num_args (const_gimple gs)
3081 GIMPLE_CHECK (gs, GIMPLE_PHI);
3082 return gs->gimple_phi.nargs;
3086 /* Return the SSA name created by GIMPLE_PHI GS. */
3089 gimple_phi_result (const_gimple gs)
3091 GIMPLE_CHECK (gs, GIMPLE_PHI);
3092 return gs->gimple_phi.result;
3095 /* Return a pointer to the SSA name created by GIMPLE_PHI GS. */
3097 static inline tree *
3098 gimple_phi_result_ptr (gimple gs)
3100 GIMPLE_CHECK (gs, GIMPLE_PHI);
3101 return &gs->gimple_phi.result;
3104 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */
3107 gimple_phi_set_result (gimple gs, tree result)
3109 GIMPLE_CHECK (gs, GIMPLE_PHI);
3110 gs->gimple_phi.result = result;
3114 /* Return the PHI argument corresponding to incoming edge INDEX for
3117 static inline struct phi_arg_d *
3118 gimple_phi_arg (gimple gs, unsigned index)
3120 GIMPLE_CHECK (gs, GIMPLE_PHI);
3121 gcc_assert (index <= gs->gimple_phi.capacity);
3122 return &(gs->gimple_phi.args[index]);
3125 /* Set PHIARG to be the argument corresponding to incoming edge INDEX
3126 for GIMPLE_PHI GS. */
3129 gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg)
3131 GIMPLE_CHECK (gs, GIMPLE_PHI);
3132 gcc_assert (index <= gs->gimple_phi.nargs);
3133 memcpy (gs->gimple_phi.args + index, phiarg, sizeof (struct phi_arg_d));
3136 /* Return the region number for GIMPLE_RESX GS. */
3139 gimple_resx_region (const_gimple gs)
3141 GIMPLE_CHECK (gs, GIMPLE_RESX);
3142 return gs->gimple_eh_ctrl.region;
3145 /* Set REGION to be the region number for GIMPLE_RESX GS. */
3148 gimple_resx_set_region (gimple gs, int region)
3150 GIMPLE_CHECK (gs, GIMPLE_RESX);
3151 gs->gimple_eh_ctrl.region = region;
3154 /* Return the region number for GIMPLE_EH_DISPATCH GS. */
3157 gimple_eh_dispatch_region (const_gimple gs)
3159 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3160 return gs->gimple_eh_ctrl.region;
3163 /* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS. */
3166 gimple_eh_dispatch_set_region (gimple gs, int region)
3168 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3169 gs->gimple_eh_ctrl.region = region;
3172 /* Return the number of labels associated with the switch statement GS. */
3174 static inline unsigned
3175 gimple_switch_num_labels (const_gimple gs)
3178 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3179 num_ops = gimple_num_ops (gs);
3180 gcc_assert (num_ops > 1);
3185 /* Set NLABELS to be the number of labels for the switch statement GS. */
3188 gimple_switch_set_num_labels (gimple g, unsigned nlabels)
3190 GIMPLE_CHECK (g, GIMPLE_SWITCH);
3191 gimple_set_num_ops (g, nlabels + 1);
3195 /* Return the index variable used by the switch statement GS. */
3198 gimple_switch_index (const_gimple gs)
3200 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3201 return gimple_op (gs, 0);
3205 /* Return a pointer to the index variable for the switch statement GS. */
3207 static inline tree *
3208 gimple_switch_index_ptr (const_gimple gs)
3210 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3211 return gimple_op_ptr (gs, 0);
3215 /* Set INDEX to be the index variable for switch statement GS. */
3218 gimple_switch_set_index (gimple gs, tree index)
3220 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3221 gcc_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index));
3222 gimple_set_op (gs, 0, index);
3226 /* Return the label numbered INDEX. The default label is 0, followed by any
3227 labels in a switch statement. */
3230 gimple_switch_label (const_gimple gs, unsigned index)
3232 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3233 gcc_assert (gimple_num_ops (gs) > index + 1);
3234 return gimple_op (gs, index + 1);
3237 /* Set the label number INDEX to LABEL. 0 is always the default label. */
3240 gimple_switch_set_label (gimple gs, unsigned index, tree label)
3242 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3243 gcc_assert (gimple_num_ops (gs) > index + 1);
3244 gcc_assert (label == NULL_TREE || TREE_CODE (label) == CASE_LABEL_EXPR);
3245 gimple_set_op (gs, index + 1, label);
3248 /* Return the default label for a switch statement. */
3251 gimple_switch_default_label (const_gimple gs)
3253 return gimple_switch_label (gs, 0);
3256 /* Set the default label for a switch statement. */
3259 gimple_switch_set_default_label (gimple gs, tree label)
3261 gimple_switch_set_label (gs, 0, label);
3264 /* Return true if GS is a GIMPLE_DEBUG statement. */
3267 is_gimple_debug (const_gimple gs)
3269 return gimple_code (gs) == GIMPLE_DEBUG;
3272 /* Return true if S is a GIMPLE_DEBUG BIND statement. */
3275 gimple_debug_bind_p (const_gimple s)
3277 if (is_gimple_debug (s))
3278 return s->gsbase.subcode == GIMPLE_DEBUG_BIND;
3283 /* Return the variable bound in a GIMPLE_DEBUG bind statement. */
3286 gimple_debug_bind_get_var (gimple dbg)
3288 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3289 gcc_assert (gimple_debug_bind_p (dbg));
3290 return gimple_op (dbg, 0);
3293 /* Return the value bound to the variable in a GIMPLE_DEBUG bind
3297 gimple_debug_bind_get_value (gimple dbg)
3299 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3300 gcc_assert (gimple_debug_bind_p (dbg));
3301 return gimple_op (dbg, 1);
3304 /* Return a pointer to the value bound to the variable in a
3305 GIMPLE_DEBUG bind statement. */
3307 static inline tree *
3308 gimple_debug_bind_get_value_ptr (gimple dbg)
3310 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3311 gcc_assert (gimple_debug_bind_p (dbg));
3312 return gimple_op_ptr (dbg, 1);
3315 /* Set the variable bound in a GIMPLE_DEBUG bind statement. */
3318 gimple_debug_bind_set_var (gimple dbg, tree var)
3320 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3321 gcc_assert (gimple_debug_bind_p (dbg));
3322 gimple_set_op (dbg, 0, var);
3325 /* Set the value bound to the variable in a GIMPLE_DEBUG bind
3329 gimple_debug_bind_set_value (gimple dbg, tree value)
3331 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3332 gcc_assert (gimple_debug_bind_p (dbg));
3333 gimple_set_op (dbg, 1, value);
3336 /* The second operand of a GIMPLE_DEBUG_BIND, when the value was
3338 #define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */
3340 /* Remove the value bound to the variable in a GIMPLE_DEBUG bind
3344 gimple_debug_bind_reset_value (gimple dbg)
3346 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3347 gcc_assert (gimple_debug_bind_p (dbg));
3348 gimple_set_op (dbg, 1, GIMPLE_DEBUG_BIND_NOVALUE);
3351 /* Return true if the GIMPLE_DEBUG bind statement is bound to a
3355 gimple_debug_bind_has_value_p (gimple dbg)
3357 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3358 gcc_assert (gimple_debug_bind_p (dbg));
3359 return gimple_op (dbg, 1) != GIMPLE_DEBUG_BIND_NOVALUE;
3362 #undef GIMPLE_DEBUG_BIND_NOVALUE
3364 /* Return the body for the OMP statement GS. */
3366 static inline gimple_seq
3367 gimple_omp_body (gimple gs)
3369 return gs->omp.body;
3372 /* Set BODY to be the body for the OMP statement GS. */
3375 gimple_omp_set_body (gimple gs, gimple_seq body)
3377 gs->omp.body = body;
3381 /* Return the name associated with OMP_CRITICAL statement GS. */
3384 gimple_omp_critical_name (const_gimple gs)
3386 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3387 return gs->gimple_omp_critical.name;
3391 /* Return a pointer to the name associated with OMP critical statement GS. */
3393 static inline tree *
3394 gimple_omp_critical_name_ptr (gimple gs)
3396 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3397 return &gs->gimple_omp_critical.name;
3401 /* Set NAME to be the name associated with OMP critical statement GS. */
3404 gimple_omp_critical_set_name (gimple gs, tree name)
3406 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3407 gs->gimple_omp_critical.name = name;
3411 /* Return the clauses associated with OMP_FOR GS. */
3414 gimple_omp_for_clauses (const_gimple gs)
3416 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3417 return gs->gimple_omp_for.clauses;
3421 /* Return a pointer to the OMP_FOR GS. */
3423 static inline tree *
3424 gimple_omp_for_clauses_ptr (gimple gs)
3426 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3427 return &gs->gimple_omp_for.clauses;
3431 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */
3434 gimple_omp_for_set_clauses (gimple gs, tree clauses)
3436 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3437 gs->gimple_omp_for.clauses = clauses;
3441 /* Get the collapse count of OMP_FOR GS. */
3443 static inline size_t
3444 gimple_omp_for_collapse (gimple gs)
3446 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3447 return gs->gimple_omp_for.collapse;
3451 /* Return the index variable for OMP_FOR GS. */
3454 gimple_omp_for_index (const_gimple gs, size_t i)
3456 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3457 gcc_assert (i < gs->gimple_omp_for.collapse);
3458 return gs->gimple_omp_for.iter[i].index;
3462 /* Return a pointer to the index variable for OMP_FOR GS. */
3464 static inline tree *
3465 gimple_omp_for_index_ptr (gimple gs, size_t i)
3467 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3468 gcc_assert (i < gs->gimple_omp_for.collapse);
3469 return &gs->gimple_omp_for.iter[i].index;
3473 /* Set INDEX to be the index variable for OMP_FOR GS. */
3476 gimple_omp_for_set_index (gimple gs, size_t i, tree index)
3478 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3479 gcc_assert (i < gs->gimple_omp_for.collapse);
3480 gs->gimple_omp_for.iter[i].index = index;
3484 /* Return the initial value for OMP_FOR GS. */
3487 gimple_omp_for_initial (const_gimple gs, size_t i)
3489 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3490 gcc_assert (i < gs->gimple_omp_for.collapse);
3491 return gs->gimple_omp_for.iter[i].initial;
3495 /* Return a pointer to the initial value for OMP_FOR GS. */
3497 static inline tree *
3498 gimple_omp_for_initial_ptr (gimple gs, size_t i)
3500 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3501 gcc_assert (i < gs->gimple_omp_for.collapse);
3502 return &gs->gimple_omp_for.iter[i].initial;
3506 /* Set INITIAL to be the initial value for OMP_FOR GS. */
3509 gimple_omp_for_set_initial (gimple gs, size_t i, tree initial)
3511 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3512 gcc_assert (i < gs->gimple_omp_for.collapse);
3513 gs->gimple_omp_for.iter[i].initial = initial;
3517 /* Return the final value for OMP_FOR GS. */
3520 gimple_omp_for_final (const_gimple gs, size_t i)
3522 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3523 gcc_assert (i < gs->gimple_omp_for.collapse);
3524 return gs->gimple_omp_for.iter[i].final;
3528 /* Return a pointer to the final value for OMP_FOR GS. */
3530 static inline tree *
3531 gimple_omp_for_final_ptr (gimple gs, size_t i)
3533 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3534 gcc_assert (i < gs->gimple_omp_for.collapse);
3535 return &gs->gimple_omp_for.iter[i].final;
3539 /* Set FINAL to be the final value for OMP_FOR GS. */
3542 gimple_omp_for_set_final (gimple gs, size_t i, tree final)
3544 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3545 gcc_assert (i < gs->gimple_omp_for.collapse);
3546 gs->gimple_omp_for.iter[i].final = final;
3550 /* Return the increment value for OMP_FOR GS. */
3553 gimple_omp_for_incr (const_gimple gs, size_t i)
3555 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3556 gcc_assert (i < gs->gimple_omp_for.collapse);
3557 return gs->gimple_omp_for.iter[i].incr;
3561 /* Return a pointer to the increment value for OMP_FOR GS. */
3563 static inline tree *
3564 gimple_omp_for_incr_ptr (gimple gs, size_t i)
3566 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3567 gcc_assert (i < gs->gimple_omp_for.collapse);
3568 return &gs->gimple_omp_for.iter[i].incr;
3572 /* Set INCR to be the increment value for OMP_FOR GS. */
3575 gimple_omp_for_set_incr (gimple gs, size_t i, tree incr)
3577 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3578 gcc_assert (i < gs->gimple_omp_for.collapse);
3579 gs->gimple_omp_for.iter[i].incr = incr;
3583 /* Return the sequence of statements to execute before the OMP_FOR
3584 statement GS starts. */
3586 static inline gimple_seq
3587 gimple_omp_for_pre_body (gimple gs)
3589 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3590 return gs->gimple_omp_for.pre_body;
3594 /* Set PRE_BODY to be the sequence of statements to execute before the
3595 OMP_FOR statement GS starts. */
3598 gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body)
3600 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3601 gs->gimple_omp_for.pre_body = pre_body;
3605 /* Return the clauses associated with OMP_PARALLEL GS. */
3608 gimple_omp_parallel_clauses (const_gimple gs)
3610 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3611 return gs->gimple_omp_parallel.clauses;
3615 /* Return a pointer to the clauses associated with OMP_PARALLEL GS. */
3617 static inline tree *
3618 gimple_omp_parallel_clauses_ptr (gimple gs)
3620 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3621 return &gs->gimple_omp_parallel.clauses;
3625 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL
3629 gimple_omp_parallel_set_clauses (gimple gs, tree clauses)
3631 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3632 gs->gimple_omp_parallel.clauses = clauses;
3636 /* Return the child function used to hold the body of OMP_PARALLEL GS. */
3639 gimple_omp_parallel_child_fn (const_gimple gs)
3641 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3642 return gs->gimple_omp_parallel.child_fn;
3645 /* Return a pointer to the child function used to hold the body of
3648 static inline tree *
3649 gimple_omp_parallel_child_fn_ptr (gimple gs)
3651 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3652 return &gs->gimple_omp_parallel.child_fn;
3656 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */
3659 gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn)
3661 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3662 gs->gimple_omp_parallel.child_fn = child_fn;
3666 /* Return the artificial argument used to send variables and values
3667 from the parent to the children threads in OMP_PARALLEL GS. */
3670 gimple_omp_parallel_data_arg (const_gimple gs)
3672 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3673 return gs->gimple_omp_parallel.data_arg;
3677 /* Return a pointer to the data argument for OMP_PARALLEL GS. */
3679 static inline tree *
3680 gimple_omp_parallel_data_arg_ptr (gimple gs)
3682 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3683 return &gs->gimple_omp_parallel.data_arg;
3687 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */
3690 gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg)
3692 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3693 gs->gimple_omp_parallel.data_arg = data_arg;
3697 /* Return the clauses associated with OMP_TASK GS. */
3700 gimple_omp_task_clauses (const_gimple gs)
3702 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3703 return gs->gimple_omp_parallel.clauses;
3707 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3709 static inline tree *
3710 gimple_omp_task_clauses_ptr (gimple gs)
3712 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3713 return &gs->gimple_omp_parallel.clauses;
3717 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3721 gimple_omp_task_set_clauses (gimple gs, tree clauses)
3723 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3724 gs->gimple_omp_parallel.clauses = clauses;
3728 /* Return the child function used to hold the body of OMP_TASK GS. */
3731 gimple_omp_task_child_fn (const_gimple gs)
3733 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3734 return gs->gimple_omp_parallel.child_fn;
3737 /* Return a pointer to the child function used to hold the body of
3740 static inline tree *
3741 gimple_omp_task_child_fn_ptr (gimple gs)
3743 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3744 return &gs->gimple_omp_parallel.child_fn;
3748 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3751 gimple_omp_task_set_child_fn (gimple gs, tree child_fn)
3753 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3754 gs->gimple_omp_parallel.child_fn = child_fn;
3758 /* Return the artificial argument used to send variables and values
3759 from the parent to the children threads in OMP_TASK GS. */
3762 gimple_omp_task_data_arg (const_gimple gs)
3764 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3765 return gs->gimple_omp_parallel.data_arg;
3769 /* Return a pointer to the data argument for OMP_TASK GS. */
3771 static inline tree *
3772 gimple_omp_task_data_arg_ptr (gimple gs)
3774 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3775 return &gs->gimple_omp_parallel.data_arg;
3779 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3782 gimple_omp_task_set_data_arg (gimple gs, tree data_arg)
3784 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3785 gs->gimple_omp_parallel.data_arg = data_arg;
3789 /* Return the clauses associated with OMP_TASK GS. */
3792 gimple_omp_taskreg_clauses (const_gimple gs)
3794 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3795 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3796 return gs->gimple_omp_parallel.clauses;
3800 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3802 static inline tree *
3803 gimple_omp_taskreg_clauses_ptr (gimple gs)
3805 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3806 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3807 return &gs->gimple_omp_parallel.clauses;
3811 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3815 gimple_omp_taskreg_set_clauses (gimple gs, tree clauses)
3817 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3818 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3819 gs->gimple_omp_parallel.clauses = clauses;
3823 /* Return the child function used to hold the body of OMP_TASK GS. */
3826 gimple_omp_taskreg_child_fn (const_gimple gs)
3828 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3829 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3830 return gs->gimple_omp_parallel.child_fn;
3833 /* Return a pointer to the child function used to hold the body of
3836 static inline tree *
3837 gimple_omp_taskreg_child_fn_ptr (gimple gs)
3839 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3840 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3841 return &gs->gimple_omp_parallel.child_fn;
3845 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3848 gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn)
3850 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3851 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3852 gs->gimple_omp_parallel.child_fn = child_fn;
3856 /* Return the artificial argument used to send variables and values
3857 from the parent to the children threads in OMP_TASK GS. */
3860 gimple_omp_taskreg_data_arg (const_gimple gs)
3862 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3863 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3864 return gs->gimple_omp_parallel.data_arg;
3868 /* Return a pointer to the data argument for OMP_TASK GS. */
3870 static inline tree *
3871 gimple_omp_taskreg_data_arg_ptr (gimple gs)
3873 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3874 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3875 return &gs->gimple_omp_parallel.data_arg;
3879 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3882 gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg)
3884 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3885 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3886 gs->gimple_omp_parallel.data_arg = data_arg;
3890 /* Return the copy function used to hold the body of OMP_TASK GS. */
3893 gimple_omp_task_copy_fn (const_gimple gs)
3895 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3896 return gs->gimple_omp_task.copy_fn;
3899 /* Return a pointer to the copy function used to hold the body of
3902 static inline tree *
3903 gimple_omp_task_copy_fn_ptr (gimple gs)
3905 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3906 return &gs->gimple_omp_task.copy_fn;
3910 /* Set CHILD_FN to be the copy function for OMP_TASK GS. */
3913 gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn)
3915 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3916 gs->gimple_omp_task.copy_fn = copy_fn;
3920 /* Return size of the data block in bytes in OMP_TASK GS. */
3923 gimple_omp_task_arg_size (const_gimple gs)
3925 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3926 return gs->gimple_omp_task.arg_size;
3930 /* Return a pointer to the data block size for OMP_TASK GS. */
3932 static inline tree *
3933 gimple_omp_task_arg_size_ptr (gimple gs)
3935 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3936 return &gs->gimple_omp_task.arg_size;
3940 /* Set ARG_SIZE to be the data block size for OMP_TASK GS. */
3943 gimple_omp_task_set_arg_size (gimple gs, tree arg_size)
3945 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3946 gs->gimple_omp_task.arg_size = arg_size;
3950 /* Return align of the data block in bytes in OMP_TASK GS. */
3953 gimple_omp_task_arg_align (const_gimple gs)
3955 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3956 return gs->gimple_omp_task.arg_align;
3960 /* Return a pointer to the data block align for OMP_TASK GS. */
3962 static inline tree *
3963 gimple_omp_task_arg_align_ptr (gimple gs)
3965 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3966 return &gs->gimple_omp_task.arg_align;
3970 /* Set ARG_SIZE to be the data block align for OMP_TASK GS. */
3973 gimple_omp_task_set_arg_align (gimple gs, tree arg_align)
3975 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3976 gs->gimple_omp_task.arg_align = arg_align;
3980 /* Return the clauses associated with OMP_SINGLE GS. */
3983 gimple_omp_single_clauses (const_gimple gs)
3985 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
3986 return gs->gimple_omp_single.clauses;
3990 /* Return a pointer to the clauses associated with OMP_SINGLE GS. */
3992 static inline tree *
3993 gimple_omp_single_clauses_ptr (gimple gs)
3995 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
3996 return &gs->gimple_omp_single.clauses;
4000 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */
4003 gimple_omp_single_set_clauses (gimple gs, tree clauses)
4005 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4006 gs->gimple_omp_single.clauses = clauses;
4010 /* Return the clauses associated with OMP_SECTIONS GS. */
4013 gimple_omp_sections_clauses (const_gimple gs)
4015 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4016 return gs->gimple_omp_sections.clauses;
4020 /* Return a pointer to the clauses associated with OMP_SECTIONS GS. */
4022 static inline tree *
4023 gimple_omp_sections_clauses_ptr (gimple gs)
4025 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4026 return &gs->gimple_omp_sections.clauses;
4030 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS
4034 gimple_omp_sections_set_clauses (gimple gs, tree clauses)
4036 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4037 gs->gimple_omp_sections.clauses = clauses;
4041 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS
4045 gimple_omp_sections_control (const_gimple gs)
4047 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4048 return gs->gimple_omp_sections.control;
4052 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS
4055 static inline tree *
4056 gimple_omp_sections_control_ptr (gimple gs)
4058 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4059 return &gs->gimple_omp_sections.control;
4063 /* Set CONTROL to be the set of clauses associated with the
4064 GIMPLE_OMP_SECTIONS in GS. */
4067 gimple_omp_sections_set_control (gimple gs, tree control)
4069 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4070 gs->gimple_omp_sections.control = control;
4074 /* Set COND to be the condition code for OMP_FOR GS. */
4077 gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond)
4079 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4080 gcc_assert (TREE_CODE_CLASS (cond) == tcc_comparison);
4081 gcc_assert (i < gs->gimple_omp_for.collapse);
4082 gs->gimple_omp_for.iter[i].cond = cond;
4086 /* Return the condition code associated with OMP_FOR GS. */
4088 static inline enum tree_code
4089 gimple_omp_for_cond (const_gimple gs, size_t i)
4091 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4092 gcc_assert (i < gs->gimple_omp_for.collapse);
4093 return gs->gimple_omp_for.iter[i].cond;
4097 /* Set the value being stored in an atomic store. */
4100 gimple_omp_atomic_store_set_val (gimple g, tree val)
4102 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4103 g->gimple_omp_atomic_store.val = val;
4107 /* Return the value being stored in an atomic store. */
4110 gimple_omp_atomic_store_val (const_gimple g)
4112 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4113 return g->gimple_omp_atomic_store.val;
4117 /* Return a pointer to the value being stored in an atomic store. */
4119 static inline tree *
4120 gimple_omp_atomic_store_val_ptr (gimple g)
4122 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4123 return &g->gimple_omp_atomic_store.val;
4127 /* Set the LHS of an atomic load. */
4130 gimple_omp_atomic_load_set_lhs (gimple g, tree lhs)
4132 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4133 g->gimple_omp_atomic_load.lhs = lhs;
4137 /* Get the LHS of an atomic load. */
4140 gimple_omp_atomic_load_lhs (const_gimple g)
4142 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4143 return g->gimple_omp_atomic_load.lhs;
4147 /* Return a pointer to the LHS of an atomic load. */
4149 static inline tree *
4150 gimple_omp_atomic_load_lhs_ptr (gimple g)
4152 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4153 return &g->gimple_omp_atomic_load.lhs;
4157 /* Set the RHS of an atomic load. */
4160 gimple_omp_atomic_load_set_rhs (gimple g, tree rhs)
4162 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4163 g->gimple_omp_atomic_load.rhs = rhs;
4167 /* Get the RHS of an atomic load. */
4170 gimple_omp_atomic_load_rhs (const_gimple g)
4172 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4173 return g->gimple_omp_atomic_load.rhs;
4177 /* Return a pointer to the RHS of an atomic load. */
4179 static inline tree *
4180 gimple_omp_atomic_load_rhs_ptr (gimple g)
4182 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4183 return &g->gimple_omp_atomic_load.rhs;
4187 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4190 gimple_omp_continue_control_def (const_gimple g)
4192 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4193 return g->gimple_omp_continue.control_def;
4196 /* The same as above, but return the address. */
4198 static inline tree *
4199 gimple_omp_continue_control_def_ptr (gimple g)
4201 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4202 return &g->gimple_omp_continue.control_def;
4205 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4208 gimple_omp_continue_set_control_def (gimple g, tree def)
4210 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4211 g->gimple_omp_continue.control_def = def;
4215 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4218 gimple_omp_continue_control_use (const_gimple g)
4220 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4221 return g->gimple_omp_continue.control_use;
4225 /* The same as above, but return the address. */
4227 static inline tree *
4228 gimple_omp_continue_control_use_ptr (gimple g)
4230 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4231 return &g->gimple_omp_continue.control_use;
4235 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4238 gimple_omp_continue_set_control_use (gimple g, tree use)
4240 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4241 g->gimple_omp_continue.control_use = use;
4245 /* Return a pointer to the return value for GIMPLE_RETURN GS. */
4247 static inline tree *
4248 gimple_return_retval_ptr (const_gimple gs)
4250 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4251 gcc_assert (gimple_num_ops (gs) == 1);
4252 return gimple_op_ptr (gs, 0);
4255 /* Return the return value for GIMPLE_RETURN GS. */
4258 gimple_return_retval (const_gimple gs)
4260 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4261 gcc_assert (gimple_num_ops (gs) == 1);
4262 return gimple_op (gs, 0);
4266 /* Set RETVAL to be the return value for GIMPLE_RETURN GS. */
4269 gimple_return_set_retval (gimple gs, tree retval)
4271 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4272 gcc_assert (gimple_num_ops (gs) == 1);
4273 gcc_assert (retval == NULL_TREE
4274 || TREE_CODE (retval) == RESULT_DECL
4275 || is_gimple_val (retval));
4276 gimple_set_op (gs, 0, retval);
4280 /* Returns true when the gimple statment STMT is any of the OpenMP types. */
4282 #define CASE_GIMPLE_OMP \
4283 case GIMPLE_OMP_PARALLEL: \
4284 case GIMPLE_OMP_TASK: \
4285 case GIMPLE_OMP_FOR: \
4286 case GIMPLE_OMP_SECTIONS: \
4287 case GIMPLE_OMP_SECTIONS_SWITCH: \
4288 case GIMPLE_OMP_SINGLE: \
4289 case GIMPLE_OMP_SECTION: \
4290 case GIMPLE_OMP_MASTER: \
4291 case GIMPLE_OMP_ORDERED: \
4292 case GIMPLE_OMP_CRITICAL: \
4293 case GIMPLE_OMP_RETURN: \
4294 case GIMPLE_OMP_ATOMIC_LOAD: \
4295 case GIMPLE_OMP_ATOMIC_STORE: \
4296 case GIMPLE_OMP_CONTINUE
4299 is_gimple_omp (const_gimple stmt)
4301 switch (gimple_code (stmt))
4311 /* Returns TRUE if statement G is a GIMPLE_NOP. */
4314 gimple_nop_p (const_gimple g)
4316 return gimple_code (g) == GIMPLE_NOP;
4320 /* Return true if GS is a GIMPLE_RESX. */
4323 is_gimple_resx (const_gimple gs)
4325 return gimple_code (gs) == GIMPLE_RESX;
4328 /* Return the predictor of GIMPLE_PREDICT statement GS. */
4330 static inline enum br_predictor
4331 gimple_predict_predictor (gimple gs)
4333 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4334 return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN);
4338 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */
4341 gimple_predict_set_predictor (gimple gs, enum br_predictor predictor)
4343 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4344 gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN)
4345 | (unsigned) predictor;
4349 /* Return the outcome of GIMPLE_PREDICT statement GS. */
4351 static inline enum prediction
4352 gimple_predict_outcome (gimple gs)
4354 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4355 return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN;
4359 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */
4362 gimple_predict_set_outcome (gimple gs, enum prediction outcome)
4364 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4365 if (outcome == TAKEN)
4366 gs->gsbase.subcode |= GF_PREDICT_TAKEN;
4368 gs->gsbase.subcode &= ~GF_PREDICT_TAKEN;
4372 /* Return the type of the main expression computed by STMT. Return
4373 void_type_node if the statement computes nothing. */
4376 gimple_expr_type (const_gimple stmt)
4378 enum gimple_code code = gimple_code (stmt);
4380 if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL)
4383 /* In general we want to pass out a type that can be substituted
4384 for both the RHS and the LHS types if there is a possibly
4385 useless conversion involved. That means returning the
4386 original RHS type as far as we can reconstruct it. */
4387 if (code == GIMPLE_CALL)
4388 type = gimple_call_return_type (stmt);
4390 switch (gimple_assign_rhs_code (stmt))
4392 case POINTER_PLUS_EXPR:
4393 type = TREE_TYPE (gimple_assign_rhs1 (stmt));
4397 /* As fallback use the type of the LHS. */
4398 type = TREE_TYPE (gimple_get_lhs (stmt));
4403 else if (code == GIMPLE_COND)
4404 return boolean_type_node;
4406 return void_type_node;
4410 /* Return a new iterator pointing to GIMPLE_SEQ's first statement. */
4412 static inline gimple_stmt_iterator
4413 gsi_start (gimple_seq seq)
4415 gimple_stmt_iterator i;
4417 i.ptr = gimple_seq_first (seq);
4419 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4425 /* Return a new iterator pointing to the first statement in basic block BB. */
4427 static inline gimple_stmt_iterator
4428 gsi_start_bb (basic_block bb)
4430 gimple_stmt_iterator i;
4434 i.ptr = gimple_seq_first (seq);
4442 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */
4444 static inline gimple_stmt_iterator
4445 gsi_last (gimple_seq seq)
4447 gimple_stmt_iterator i;
4449 i.ptr = gimple_seq_last (seq);
4451 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4457 /* Return a new iterator pointing to the last statement in basic block BB. */
4459 static inline gimple_stmt_iterator
4460 gsi_last_bb (basic_block bb)
4462 gimple_stmt_iterator i;
4466 i.ptr = gimple_seq_last (seq);
4474 /* Return true if I is at the end of its sequence. */
4477 gsi_end_p (gimple_stmt_iterator i)
4479 return i.ptr == NULL;
4483 /* Return true if I is one statement before the end of its sequence. */
4486 gsi_one_before_end_p (gimple_stmt_iterator i)
4488 return i.ptr != NULL && i.ptr->next == NULL;
4492 /* Advance the iterator to the next gimple statement. */
4495 gsi_next (gimple_stmt_iterator *i)
4497 i->ptr = i->ptr->next;
4500 /* Advance the iterator to the previous gimple statement. */
4503 gsi_prev (gimple_stmt_iterator *i)
4505 i->ptr = i->ptr->prev;
4508 /* Return the current stmt. */
4510 static inline gimple
4511 gsi_stmt (gimple_stmt_iterator i)
4516 /* Return a block statement iterator that points to the first non-label
4517 statement in block BB. */
4519 static inline gimple_stmt_iterator
4520 gsi_after_labels (basic_block bb)
4522 gimple_stmt_iterator gsi = gsi_start_bb (bb);
4524 while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL)
4530 /* Advance the iterator to the next non-debug gimple statement. */
4533 gsi_next_nondebug (gimple_stmt_iterator *i)
4539 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4542 /* Advance the iterator to the next non-debug gimple statement. */
4545 gsi_prev_nondebug (gimple_stmt_iterator *i)
4551 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4554 /* Return a new iterator pointing to the first non-debug statement in
4557 static inline gimple_stmt_iterator
4558 gsi_start_nondebug_bb (basic_block bb)
4560 gimple_stmt_iterator i = gsi_start_bb (bb);
4562 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
4563 gsi_next_nondebug (&i);
4568 /* Return a new iterator pointing to the last non-debug statement in
4571 static inline gimple_stmt_iterator
4572 gsi_last_nondebug_bb (basic_block bb)
4574 gimple_stmt_iterator i = gsi_last_bb (bb);
4576 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
4577 gsi_prev_nondebug (&i);
4582 /* Return a pointer to the current stmt.
4584 NOTE: You may want to use gsi_replace on the iterator itself,
4585 as this performs additional bookkeeping that will not be done
4586 if you simply assign through a pointer returned by gsi_stmt_ptr. */
4588 static inline gimple *
4589 gsi_stmt_ptr (gimple_stmt_iterator *i)
4591 return &i->ptr->stmt;
4595 /* Return the basic block associated with this iterator. */
4597 static inline basic_block
4598 gsi_bb (gimple_stmt_iterator i)
4604 /* Return the sequence associated with this iterator. */
4606 static inline gimple_seq
4607 gsi_seq (gimple_stmt_iterator i)
4613 enum gsi_iterator_update
4615 GSI_NEW_STMT, /* Only valid when single statement is added, move
4617 GSI_SAME_STMT, /* Leave the iterator at the same statement. */
4618 GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable
4619 for linking other statements in the same
4623 /* In gimple-iterator.c */
4624 gimple_stmt_iterator gsi_start_phis (basic_block);
4625 gimple_seq gsi_split_seq_after (gimple_stmt_iterator);
4626 gimple_seq gsi_split_seq_before (gimple_stmt_iterator *);
4627 void gsi_replace (gimple_stmt_iterator *, gimple, bool);
4628 void gsi_insert_before (gimple_stmt_iterator *, gimple,
4629 enum gsi_iterator_update);
4630 void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple,
4631 enum gsi_iterator_update);
4632 void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq,
4633 enum gsi_iterator_update);
4634 void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq,
4635 enum gsi_iterator_update);
4636 void gsi_insert_after (gimple_stmt_iterator *, gimple,
4637 enum gsi_iterator_update);
4638 void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple,
4639 enum gsi_iterator_update);
4640 void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq,
4641 enum gsi_iterator_update);
4642 void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq,
4643 enum gsi_iterator_update);
4644 void gsi_remove (gimple_stmt_iterator *, bool);
4645 gimple_stmt_iterator gsi_for_stmt (gimple);
4646 void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *);
4647 void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *);
4648 void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *);
4649 void gsi_insert_on_edge (edge, gimple);
4650 void gsi_insert_seq_on_edge (edge, gimple_seq);
4651 basic_block gsi_insert_on_edge_immediate (edge, gimple);
4652 basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq);
4653 void gsi_commit_one_edge_insert (edge, basic_block *);
4654 void gsi_commit_edge_inserts (void);
4655 gimple gimple_call_copy_skip_args (gimple, bitmap);
4658 /* Convenience routines to walk all statements of a gimple function.
4659 Note that this is useful exclusively before the code is converted
4660 into SSA form. Once the program is in SSA form, the standard
4661 operand interface should be used to analyze/modify statements. */
4662 struct walk_stmt_info
4664 /* Points to the current statement being walked. */
4665 gimple_stmt_iterator gsi;
4667 /* Additional data that the callback functions may want to carry
4668 through the recursion. */
4671 /* Pointer map used to mark visited tree nodes when calling
4672 walk_tree on each operand. If set to NULL, duplicate tree nodes
4673 will be visited more than once. */
4674 struct pointer_set_t *pset;
4676 /* Indicates whether the operand being examined may be replaced
4677 with something that matches is_gimple_val (if true) or something
4678 slightly more complicated (if false). "Something" technically
4679 means the common subset of is_gimple_lvalue and is_gimple_rhs,
4680 but we never try to form anything more complicated than that, so
4681 we don't bother checking.
4683 Also note that CALLBACK should update this flag while walking the
4684 sub-expressions of a statement. For instance, when walking the
4685 statement 'foo (&var)', the flag VAL_ONLY will initially be set
4686 to true, however, when walking &var, the operand of that
4687 ADDR_EXPR does not need to be a GIMPLE value. */
4690 /* True if we are currently walking the LHS of an assignment. */
4693 /* Optional. Set to true by the callback functions if they made any
4697 /* True if we're interested in location information. */
4698 bool want_locations;
4700 /* Operand returned by the callbacks. This is set when calling
4701 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback
4702 returns non-NULL, this field will contain the tree returned by
4703 the last callback. */
4704 tree callback_result;
4707 /* Callback for walk_gimple_stmt. Called for every statement found
4708 during traversal. The first argument points to the statement to
4709 walk. The second argument is a flag that the callback sets to
4710 'true' if it the callback handled all the operands and
4711 sub-statements of the statement (the default value of this flag is
4712 'false'). The third argument is an anonymous pointer to data
4713 to be used by the callback. */
4714 typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *,
4715 struct walk_stmt_info *);
4717 gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn,
4718 struct walk_stmt_info *);
4719 tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn,
4720 struct walk_stmt_info *);
4721 tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *);
4723 #ifdef GATHER_STATISTICS
4724 /* Enum and arrays used for allocation stats. Keep in sync with
4725 gimple.c:gimple_alloc_kind_names. */
4726 enum gimple_alloc_kind
4728 gimple_alloc_kind_assign, /* Assignments. */
4729 gimple_alloc_kind_phi, /* PHI nodes. */
4730 gimple_alloc_kind_cond, /* Conditionals. */
4731 gimple_alloc_kind_seq, /* Sequences. */
4732 gimple_alloc_kind_rest, /* Everything else. */
4733 gimple_alloc_kind_all
4736 extern int gimple_alloc_counts[];
4737 extern int gimple_alloc_sizes[];
4739 /* Return the allocation kind for a given stmt CODE. */
4740 static inline enum gimple_alloc_kind
4741 gimple_alloc_kind (enum gimple_code code)
4746 return gimple_alloc_kind_assign;
4748 return gimple_alloc_kind_phi;
4750 return gimple_alloc_kind_cond;
4752 return gimple_alloc_kind_rest;
4755 #endif /* GATHER_STATISTICS */
4757 extern void dump_gimple_statistics (void);
4759 #endif /* GCC_GIMPLE_H */