1 /* Gimple IR definitions.
3 Copyright 2007, 2008, 2009 Free Software Foundation, Inc.
4 Contributed by Aldy Hernandez <aldyh@redhat.com>
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 3, or (at your option) any later
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
25 #include "pointer-set.h"
29 #include "hard-reg-set.h"
30 #include "basic-block.h"
31 #include "tree-ssa-operands.h"
34 DEF_VEC_ALLOC_P(gimple,heap);
35 DEF_VEC_ALLOC_P(gimple,gc);
37 typedef gimple *gimple_p;
39 DEF_VEC_ALLOC_P(gimple_p,heap);
41 DEF_VEC_P(gimple_seq);
42 DEF_VEC_ALLOC_P(gimple_seq,gc);
43 DEF_VEC_ALLOC_P(gimple_seq,heap);
45 /* For each block, the PHI nodes that need to be rewritten are stored into
47 typedef VEC(gimple, heap) *gimple_vec;
48 DEF_VEC_P (gimple_vec);
49 DEF_VEC_ALLOC_P (gimple_vec, heap);
52 #define DEFGSCODE(SYM, STRING, STRUCT) SYM,
55 LAST_AND_UNUSED_GIMPLE_CODE
58 extern const char *const gimple_code_name[];
59 extern const unsigned char gimple_rhs_class_table[];
61 /* Error out if a gimple tuple is addressed incorrectly. */
62 #if defined ENABLE_GIMPLE_CHECKING
63 extern void gimple_check_failed (const_gimple, const char *, int, \
64 const char *, enum gimple_code, \
65 enum tree_code) ATTRIBUTE_NORETURN;
67 #define GIMPLE_CHECK(GS, CODE) \
69 const_gimple __gs = (GS); \
70 if (gimple_code (__gs) != (CODE)) \
71 gimple_check_failed (__gs, __FILE__, __LINE__, __FUNCTION__, \
72 (CODE), ERROR_MARK); \
74 #else /* not ENABLE_GIMPLE_CHECKING */
75 #define GIMPLE_CHECK(GS, CODE) (void)0
78 /* Class of GIMPLE expressions suitable for the RHS of assignments. See
79 get_gimple_rhs_class. */
82 GIMPLE_INVALID_RHS, /* The expression cannot be used on the RHS. */
83 GIMPLE_BINARY_RHS, /* The expression is a binary operation. */
84 GIMPLE_UNARY_RHS, /* The expression is a unary operation. */
85 GIMPLE_SINGLE_RHS /* The expression is a single object (an SSA
86 name, a _DECL, a _REF, etc. */
89 /* Specific flags for individual GIMPLE statements. These flags are
90 always stored in gimple_statement_base.subcode and they may only be
91 defined for statement codes that do not use sub-codes.
93 Values for the masks can overlap as long as the overlapping values
94 are never used in the same statement class.
96 The maximum mask value that can be defined is 1 << 15 (i.e., each
97 statement code can hold up to 16 bitflags).
99 Keep this list sorted. */
101 GF_ASM_INPUT = 1 << 0,
102 GF_ASM_VOLATILE = 1 << 1,
103 GF_CALL_CANNOT_INLINE = 1 << 0,
104 GF_CALL_FROM_THUNK = 1 << 1,
105 GF_CALL_RETURN_SLOT_OPT = 1 << 2,
106 GF_CALL_TAILCALL = 1 << 3,
107 GF_CALL_VA_ARG_PACK = 1 << 4,
108 GF_OMP_PARALLEL_COMBINED = 1 << 0,
110 /* True on an GIMPLE_OMP_RETURN statement if the return does not require
111 a thread synchronization via some sort of barrier. The exact barrier
112 that would otherwise be emitted is dependent on the OMP statement with
113 which this return is associated. */
114 GF_OMP_RETURN_NOWAIT = 1 << 0,
116 GF_OMP_SECTION_LAST = 1 << 0,
117 GF_PREDICT_TAKEN = 1 << 15
120 /* Currently, there's only one type of gimple debug stmt. Others are
121 envisioned, for example, to enable the generation of is_stmt notes
122 in line number information, to mark sequence points, etc. This
123 subcode is to be used to tell them apart. */
124 enum gimple_debug_subcode {
125 GIMPLE_DEBUG_BIND = 0
128 /* Masks for selecting a pass local flag (PLF) to work on. These
129 masks are used by gimple_set_plf and gimple_plf. */
135 /* A node in a gimple_seq_d. */
136 struct GTY((chain_next ("%h.next"), chain_prev ("%h.prev"))) gimple_seq_node_d {
138 struct gimple_seq_node_d *prev;
139 struct gimple_seq_node_d *next;
142 /* A double-linked sequence of gimple statements. */
143 struct GTY ((chain_next ("%h.next_free"))) gimple_seq_d {
144 /* First and last statements in the sequence. */
145 gimple_seq_node first;
146 gimple_seq_node last;
148 /* Sequences are created/destroyed frequently. To minimize
149 allocation activity, deallocated sequences are kept in a pool of
150 available sequences. This is the pointer to the next free
151 sequence in the pool. */
152 gimple_seq next_free;
156 /* Return the first node in GIMPLE sequence S. */
158 static inline gimple_seq_node
159 gimple_seq_first (const_gimple_seq s)
161 return s ? s->first : NULL;
165 /* Return the first statement in GIMPLE sequence S. */
168 gimple_seq_first_stmt (const_gimple_seq s)
170 gimple_seq_node n = gimple_seq_first (s);
171 return (n) ? n->stmt : NULL;
175 /* Return the last node in GIMPLE sequence S. */
177 static inline gimple_seq_node
178 gimple_seq_last (const_gimple_seq s)
180 return s ? s->last : NULL;
184 /* Return the last statement in GIMPLE sequence S. */
187 gimple_seq_last_stmt (const_gimple_seq s)
189 gimple_seq_node n = gimple_seq_last (s);
190 return (n) ? n->stmt : NULL;
194 /* Set the last node in GIMPLE sequence S to LAST. */
197 gimple_seq_set_last (gimple_seq s, gimple_seq_node last)
203 /* Set the first node in GIMPLE sequence S to FIRST. */
206 gimple_seq_set_first (gimple_seq s, gimple_seq_node first)
212 /* Return true if GIMPLE sequence S is empty. */
215 gimple_seq_empty_p (const_gimple_seq s)
217 return s == NULL || s->first == NULL;
221 void gimple_seq_add_stmt (gimple_seq *, gimple);
223 /* Allocate a new sequence and initialize its first element with STMT. */
225 static inline gimple_seq
226 gimple_seq_alloc_with_stmt (gimple stmt)
228 gimple_seq seq = NULL;
229 gimple_seq_add_stmt (&seq, stmt);
234 /* Returns the sequence of statements in BB. */
236 static inline gimple_seq
237 bb_seq (const_basic_block bb)
239 return (!(bb->flags & BB_RTL) && bb->il.gimple) ? bb->il.gimple->seq : NULL;
243 /* Sets the sequence of statements in BB to SEQ. */
246 set_bb_seq (basic_block bb, gimple_seq seq)
248 gcc_assert (!(bb->flags & BB_RTL));
249 bb->il.gimple->seq = seq;
252 /* Iterator object for GIMPLE statement sequences. */
256 /* Sequence node holding the current statement. */
259 /* Sequence and basic block holding the statement. These fields
260 are necessary to handle edge cases such as when statement is
261 added to an empty basic block or when the last statement of a
262 block/sequence is removed. */
265 } gimple_stmt_iterator;
268 /* Data structure definitions for GIMPLE tuples. NOTE: word markers
269 are for 64 bit hosts. */
271 struct GTY(()) gimple_statement_base {
273 Main identifying code for a tuple. */
274 ENUM_BITFIELD(gimple_code) code : 8;
276 /* Nonzero if a warning should not be emitted on this tuple. */
277 unsigned int no_warning : 1;
279 /* Nonzero if this tuple has been visited. Passes are responsible
280 for clearing this bit before using it. */
281 unsigned int visited : 1;
283 /* Nonzero if this tuple represents a non-temporal move. */
284 unsigned int nontemporal_move : 1;
286 /* Pass local flags. These flags are free for any pass to use as
287 they see fit. Passes should not assume that these flags contain
288 any useful value when the pass starts. Any initial state that
289 the pass requires should be set on entry to the pass. See
290 gimple_set_plf and gimple_plf for usage. */
291 unsigned int plf : 2;
293 /* Nonzero if this statement has been modified and needs to have its
294 operands rescanned. */
295 unsigned modified : 1;
297 /* Nonzero if this statement contains volatile operands. */
298 unsigned has_volatile_ops : 1;
300 /* Padding to get subcode to 16 bit alignment. */
303 /* The SUBCODE field can be used for tuple-specific flags for tuples
304 that do not require subcodes. Note that SUBCODE should be at
305 least as wide as tree codes, as several tuples store tree codes
307 unsigned int subcode : 16;
309 /* UID of this statement. This is used by passes that want to
310 assign IDs to statements. It must be assigned and used by each
311 pass. By default it should be assumed to contain garbage. */
315 Locus information for debug info. */
318 /* Number of operands in this tuple. */
322 Basic block holding this statement. */
323 struct basic_block_def *bb;
326 Lexical block holding this statement. */
331 /* Base structure for tuples with operands. */
333 struct GTY(()) gimple_statement_with_ops_base
336 struct gimple_statement_base gsbase;
339 SSA operand vectors. NOTE: It should be possible to
340 amalgamate these vectors with the operand vector OP. However,
341 the SSA operand vectors are organized differently and contain
342 more information (like immediate use chaining). */
343 struct def_optype_d GTY((skip (""))) *def_ops;
344 struct use_optype_d GTY((skip (""))) *use_ops;
348 /* Statements that take register operands. */
350 struct GTY(()) gimple_statement_with_ops
353 struct gimple_statement_with_ops_base opbase;
356 Operand vector. NOTE! This must always be the last field
357 of this structure. In particular, this means that this
358 structure cannot be embedded inside another one. */
359 tree GTY((length ("%h.opbase.gsbase.num_ops"))) op[1];
363 /* Base for statements that take both memory and register operands. */
365 struct GTY(()) gimple_statement_with_memory_ops_base
368 struct gimple_statement_with_ops_base opbase;
371 Virtual operands for this statement. The GC will pick them
372 up via the ssa_names array. */
373 tree GTY((skip (""))) vdef;
374 tree GTY((skip (""))) vuse;
378 /* Statements that take both memory and register operands. */
380 struct GTY(()) gimple_statement_with_memory_ops
383 struct gimple_statement_with_memory_ops_base membase;
386 Operand vector. NOTE! This must always be the last field
387 of this structure. In particular, this means that this
388 structure cannot be embedded inside another one. */
389 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
393 /* OpenMP statements (#pragma omp). */
395 struct GTY(()) gimple_statement_omp {
397 struct gimple_statement_base gsbase;
406 struct GTY(()) gimple_statement_bind {
408 struct gimple_statement_base gsbase;
411 Variables declared in this scope. */
415 This is different than the BLOCK field in gimple_statement_base,
416 which is analogous to TREE_BLOCK (i.e., the lexical block holding
417 this statement). This field is the equivalent of BIND_EXPR_BLOCK
418 in tree land (i.e., the lexical scope defined by this bind). See
429 struct GTY(()) gimple_statement_catch {
431 struct gimple_statement_base gsbase;
441 /* GIMPLE_EH_FILTER */
443 struct GTY(()) gimple_statement_eh_filter {
445 struct gimple_statement_base gsbase;
457 /* GIMPLE_EH_MUST_NOT_THROW */
459 struct GTY(()) gimple_statement_eh_mnt {
461 struct gimple_statement_base gsbase;
463 /* [ WORD 5 ] Abort function decl. */
469 struct GTY(()) gimple_statement_phi {
471 struct gimple_statement_base gsbase;
481 struct phi_arg_d GTY ((length ("%h.nargs"))) args[1];
485 /* GIMPLE_RESX, GIMPLE_EH_DISPATCH */
487 struct GTY(()) gimple_statement_eh_ctrl
490 struct gimple_statement_base gsbase;
493 Exception region number. */
500 struct GTY(()) gimple_statement_try {
502 struct gimple_statement_base gsbase;
505 Expression to evaluate. */
509 Cleanup expression. */
513 /* Kind of GIMPLE_TRY statements. */
514 enum gimple_try_flags
517 GIMPLE_TRY_CATCH = 1 << 0,
520 GIMPLE_TRY_FINALLY = 1 << 1,
521 GIMPLE_TRY_KIND = GIMPLE_TRY_CATCH | GIMPLE_TRY_FINALLY,
523 /* Analogous to TRY_CATCH_IS_CLEANUP. */
524 GIMPLE_TRY_CATCH_IS_CLEANUP = 1 << 2
527 /* GIMPLE_WITH_CLEANUP_EXPR */
529 struct GTY(()) gimple_statement_wce {
531 struct gimple_statement_base gsbase;
533 /* Subcode: CLEANUP_EH_ONLY. True if the cleanup should only be
534 executed if an exception is thrown, not on normal exit of its
535 scope. This flag is analogous to the CLEANUP_EH_ONLY flag
539 Cleanup expression. */
546 struct GTY(()) gimple_statement_asm
549 struct gimple_statement_with_memory_ops_base membase;
552 __asm__ statement. */
556 Number of inputs, outputs, clobbers, labels. */
563 Operand vector. NOTE! This must always be the last field
564 of this structure. In particular, this means that this
565 structure cannot be embedded inside another one. */
566 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
569 /* GIMPLE_OMP_CRITICAL */
571 struct GTY(()) gimple_statement_omp_critical {
573 struct gimple_statement_omp omp;
576 Critical section name. */
581 struct GTY(()) gimple_omp_for_iter {
582 /* Condition code. */
585 /* Index variable. */
600 struct GTY(()) gimple_statement_omp_for {
602 struct gimple_statement_omp omp;
608 Number of elements in iter array. */
612 struct gimple_omp_for_iter * GTY((length ("%h.collapse"))) iter;
615 Pre-body evaluated before the loop body begins. */
620 /* GIMPLE_OMP_PARALLEL */
622 struct GTY(()) gimple_statement_omp_parallel {
624 struct gimple_statement_omp omp;
631 Child function holding the body of the parallel region. */
635 Shared data argument. */
640 /* GIMPLE_OMP_TASK */
642 struct GTY(()) gimple_statement_omp_task {
644 struct gimple_statement_omp_parallel par;
647 Child function holding firstprivate initialization if needed. */
651 Size and alignment in bytes of the argument data block. */
657 /* GIMPLE_OMP_SECTION */
658 /* Uses struct gimple_statement_omp. */
661 /* GIMPLE_OMP_SECTIONS */
663 struct GTY(()) gimple_statement_omp_sections {
665 struct gimple_statement_omp omp;
671 The control variable used for deciding which of the sections to
676 /* GIMPLE_OMP_CONTINUE.
678 Note: This does not inherit from gimple_statement_omp, because we
679 do not need the body field. */
681 struct GTY(()) gimple_statement_omp_continue {
683 struct gimple_statement_base gsbase;
692 /* GIMPLE_OMP_SINGLE */
694 struct GTY(()) gimple_statement_omp_single {
696 struct gimple_statement_omp omp;
703 /* GIMPLE_OMP_ATOMIC_LOAD.
704 Note: This is based on gimple_statement_base, not g_s_omp, because g_s_omp
705 contains a sequence, which we don't need here. */
707 struct GTY(()) gimple_statement_omp_atomic_load {
709 struct gimple_statement_base gsbase;
715 /* GIMPLE_OMP_ATOMIC_STORE.
716 See note on GIMPLE_OMP_ATOMIC_LOAD. */
718 struct GTY(()) gimple_statement_omp_atomic_store {
720 struct gimple_statement_base gsbase;
726 #define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) SYM,
727 enum gimple_statement_structure_enum {
728 #include "gsstruct.def"
734 /* Define the overall contents of a gimple tuple. It may be any of the
735 structures declared above for various types of tuples. */
737 union GTY ((desc ("gimple_statement_structure (&%h)"))) gimple_statement_d {
738 struct gimple_statement_base GTY ((tag ("GSS_BASE"))) gsbase;
739 struct gimple_statement_with_ops GTY ((tag ("GSS_WITH_OPS"))) gsops;
740 struct gimple_statement_with_memory_ops_base GTY ((tag ("GSS_WITH_MEM_OPS_BASE"))) gsmembase;
741 struct gimple_statement_with_memory_ops GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem;
742 struct gimple_statement_omp GTY ((tag ("GSS_OMP"))) omp;
743 struct gimple_statement_bind GTY ((tag ("GSS_BIND"))) gimple_bind;
744 struct gimple_statement_catch GTY ((tag ("GSS_CATCH"))) gimple_catch;
745 struct gimple_statement_eh_filter GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter;
746 struct gimple_statement_eh_mnt GTY ((tag ("GSS_EH_MNT"))) gimple_eh_mnt;
747 struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi;
748 struct gimple_statement_eh_ctrl GTY ((tag ("GSS_EH_CTRL"))) gimple_eh_ctrl;
749 struct gimple_statement_try GTY ((tag ("GSS_TRY"))) gimple_try;
750 struct gimple_statement_wce GTY ((tag ("GSS_WCE"))) gimple_wce;
751 struct gimple_statement_asm GTY ((tag ("GSS_ASM"))) gimple_asm;
752 struct gimple_statement_omp_critical GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical;
753 struct gimple_statement_omp_for GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for;
754 struct gimple_statement_omp_parallel GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel;
755 struct gimple_statement_omp_task GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task;
756 struct gimple_statement_omp_sections GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections;
757 struct gimple_statement_omp_single GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single;
758 struct gimple_statement_omp_continue GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue;
759 struct gimple_statement_omp_atomic_load GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load;
760 struct gimple_statement_omp_atomic_store GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store;
765 /* Offset in bytes to the location of the operand vector.
766 Zero if there is no operand vector for this tuple structure. */
767 extern size_t const gimple_ops_offset_[];
769 /* Map GIMPLE codes to GSS codes. */
770 extern enum gimple_statement_structure_enum const gss_for_code_[];
772 /* This variable holds the currently expanded gimple statement for purposes
773 of comminucating the profile info to the builtin expanders. */
774 extern gimple currently_expanding_gimple_stmt;
776 gimple gimple_build_return (tree);
778 gimple gimple_build_assign_stat (tree, tree MEM_STAT_DECL);
779 #define gimple_build_assign(l,r) gimple_build_assign_stat (l, r MEM_STAT_INFO)
781 void extract_ops_from_tree (tree, enum tree_code *, tree *, tree *);
783 gimple gimple_build_assign_with_ops_stat (enum tree_code, tree, tree,
785 #define gimple_build_assign_with_ops(c,o1,o2,o3) \
786 gimple_build_assign_with_ops_stat (c, o1, o2, o3 MEM_STAT_INFO)
788 gimple gimple_build_debug_bind_stat (tree, tree, gimple MEM_STAT_DECL);
789 #define gimple_build_debug_bind(var,val,stmt) \
790 gimple_build_debug_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
792 gimple gimple_build_call_vec (tree, VEC(tree, heap) *);
793 gimple gimple_build_call (tree, unsigned, ...);
794 gimple gimple_build_call_from_tree (tree);
795 gimple gimplify_assign (tree, tree, gimple_seq *);
796 gimple gimple_build_cond (enum tree_code, tree, tree, tree, tree);
797 gimple gimple_build_label (tree label);
798 gimple gimple_build_goto (tree dest);
799 gimple gimple_build_nop (void);
800 gimple gimple_build_bind (tree, gimple_seq, tree);
801 gimple gimple_build_asm_vec (const char *, VEC(tree,gc) *, VEC(tree,gc) *,
802 VEC(tree,gc) *, VEC(tree,gc) *);
803 gimple gimple_build_catch (tree, gimple_seq);
804 gimple gimple_build_eh_filter (tree, gimple_seq);
805 gimple gimple_build_eh_must_not_throw (tree);
806 gimple gimple_build_try (gimple_seq, gimple_seq, enum gimple_try_flags);
807 gimple gimple_build_wce (gimple_seq);
808 gimple gimple_build_resx (int);
809 gimple gimple_build_eh_dispatch (int);
810 gimple gimple_build_switch_nlabels (unsigned, tree, tree);
811 gimple gimple_build_switch (unsigned, tree, tree, ...);
812 gimple gimple_build_switch_vec (tree, tree, VEC(tree,heap) *);
813 gimple gimple_build_omp_parallel (gimple_seq, tree, tree, tree);
814 gimple gimple_build_omp_task (gimple_seq, tree, tree, tree, tree, tree, tree);
815 gimple gimple_build_omp_for (gimple_seq, tree, size_t, gimple_seq);
816 gimple gimple_build_omp_critical (gimple_seq, tree);
817 gimple gimple_build_omp_section (gimple_seq);
818 gimple gimple_build_omp_continue (tree, tree);
819 gimple gimple_build_omp_master (gimple_seq);
820 gimple gimple_build_omp_return (bool);
821 gimple gimple_build_omp_ordered (gimple_seq);
822 gimple gimple_build_omp_sections (gimple_seq, tree);
823 gimple gimple_build_omp_sections_switch (void);
824 gimple gimple_build_omp_single (gimple_seq, tree);
825 gimple gimple_build_cdt (tree, tree);
826 gimple gimple_build_omp_atomic_load (tree, tree);
827 gimple gimple_build_omp_atomic_store (tree);
828 gimple gimple_build_predict (enum br_predictor, enum prediction);
829 enum gimple_statement_structure_enum gss_for_assign (enum tree_code);
830 void sort_case_labels (VEC(tree,heap) *);
831 void gimple_set_body (tree, gimple_seq);
832 gimple_seq gimple_body (tree);
833 bool gimple_has_body_p (tree);
834 gimple_seq gimple_seq_alloc (void);
835 void gimple_seq_free (gimple_seq);
836 void gimple_seq_add_seq (gimple_seq *, gimple_seq);
837 gimple_seq gimple_seq_copy (gimple_seq);
838 int gimple_call_flags (const_gimple);
839 bool gimple_assign_copy_p (gimple);
840 bool gimple_assign_ssa_name_copy_p (gimple);
841 bool gimple_assign_single_p (gimple);
842 bool gimple_assign_unary_nop_p (gimple);
843 void gimple_set_bb (gimple, struct basic_block_def *);
844 tree gimple_fold (const_gimple);
845 void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree);
846 void gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *, enum tree_code,
848 tree gimple_get_lhs (const_gimple);
849 void gimple_set_lhs (gimple, tree);
850 void gimple_replace_lhs (gimple, tree);
851 gimple gimple_copy (gimple);
852 bool is_gimple_operand (const_tree);
853 void gimple_set_modified (gimple, bool);
854 void gimple_cond_get_ops_from_tree (tree, enum tree_code *, tree *, tree *);
855 gimple gimple_build_cond_from_tree (tree, tree, tree);
856 void gimple_cond_set_condition_from_tree (gimple, tree);
857 bool gimple_has_side_effects (const_gimple);
858 bool gimple_rhs_has_side_effects (const_gimple);
859 bool gimple_could_trap_p (gimple);
860 bool gimple_assign_rhs_could_trap_p (gimple);
861 void gimple_regimplify_operands (gimple, gimple_stmt_iterator *);
862 bool empty_body_p (gimple_seq);
863 unsigned get_gimple_rhs_num_ops (enum tree_code);
864 #define gimple_alloc(c, n) gimple_alloc_stat (c, n MEM_STAT_INFO)
865 gimple gimple_alloc_stat (enum gimple_code, unsigned MEM_STAT_DECL);
866 const char *gimple_decl_printable_name (tree, int);
867 tree gimple_fold_obj_type_ref (tree, tree);
869 /* Returns true iff T is a valid GIMPLE statement. */
870 extern bool is_gimple_stmt (tree);
872 /* Returns true iff TYPE is a valid type for a scalar register variable. */
873 extern bool is_gimple_reg_type (tree);
874 /* Returns true iff T is a scalar register variable. */
875 extern bool is_gimple_reg (tree);
876 /* Returns true iff T is any sort of variable. */
877 extern bool is_gimple_variable (tree);
878 /* Returns true iff T is any sort of symbol. */
879 extern bool is_gimple_id (tree);
880 /* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */
881 extern bool is_gimple_min_lval (tree);
882 /* Returns true iff T is something whose address can be taken. */
883 extern bool is_gimple_addressable (tree);
884 /* Returns true iff T is any valid GIMPLE lvalue. */
885 extern bool is_gimple_lvalue (tree);
887 /* Returns true iff T is a GIMPLE address. */
888 bool is_gimple_address (const_tree);
889 /* Returns true iff T is a GIMPLE invariant address. */
890 bool is_gimple_invariant_address (const_tree);
891 /* Returns true iff T is a GIMPLE invariant address at interprocedural
893 bool is_gimple_ip_invariant_address (const_tree);
894 /* Returns true iff T is a valid GIMPLE constant. */
895 bool is_gimple_constant (const_tree);
896 /* Returns true iff T is a GIMPLE restricted function invariant. */
897 extern bool is_gimple_min_invariant (const_tree);
898 /* Returns true iff T is a GIMPLE restricted interprecodural invariant. */
899 extern bool is_gimple_ip_invariant (const_tree);
900 /* Returns true iff T is a GIMPLE rvalue. */
901 extern bool is_gimple_val (tree);
902 /* Returns true iff T is a GIMPLE asm statement input. */
903 extern bool is_gimple_asm_val (tree);
904 /* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a
905 GIMPLE temporary, a renamed user variable, or something else,
907 extern bool is_gimple_reg_rhs (tree);
908 extern bool is_gimple_mem_rhs (tree);
910 /* Returns true iff T is a valid if-statement condition. */
911 extern bool is_gimple_condexpr (tree);
913 /* Returns true iff T is a type conversion. */
914 extern bool is_gimple_cast (tree);
915 /* Returns true iff T is a variable that does not need to live in memory. */
916 extern bool is_gimple_non_addressable (tree t);
918 /* Returns true iff T is a valid call address expression. */
919 extern bool is_gimple_call_addr (tree);
920 /* If T makes a function call, returns the CALL_EXPR operand. */
921 extern tree get_call_expr_in (tree t);
923 extern void recalculate_side_effects (tree);
924 extern bool compare_field_offset (tree, tree);
925 extern tree gimple_register_type (tree);
926 extern void print_gimple_types_stats (void);
927 extern void free_gimple_type_tables (void);
928 extern tree gimple_unsigned_type (tree);
929 extern tree gimple_signed_type (tree);
930 extern alias_set_type gimple_get_alias_set (tree);
931 extern void count_uses_and_derefs (tree, gimple, unsigned *, unsigned *,
933 extern bool walk_stmt_load_store_addr_ops (gimple, void *,
934 bool (*)(gimple, tree, void *),
935 bool (*)(gimple, tree, void *),
936 bool (*)(gimple, tree, void *));
937 extern bool walk_stmt_load_store_ops (gimple, void *,
938 bool (*)(gimple, tree, void *),
939 bool (*)(gimple, tree, void *));
940 extern bool gimple_ior_addresses_taken (bitmap, gimple);
943 extern tree create_tmp_var_raw (tree, const char *);
944 extern tree create_tmp_var_name (const char *);
945 extern tree create_tmp_var (tree, const char *);
946 extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *);
947 extern tree get_formal_tmp_var (tree, gimple_seq *);
948 extern void declare_vars (tree, gimple, bool);
949 extern void annotate_all_with_location (gimple_seq, location_t);
951 /* Validation of GIMPLE expressions. Note that these predicates only check
952 the basic form of the expression, they don't recurse to make sure that
953 underlying nodes are also of the right form. */
954 typedef bool (*gimple_predicate)(tree);
957 /* FIXME we should deduce this from the predicate. */
959 fb_none = 0, /* Do not generate a temporary. */
961 fb_rvalue = 1, /* Generate an rvalue to hold the result of a
962 gimplified expression. */
964 fb_lvalue = 2, /* Generate an lvalue to hold the result of a
965 gimplified expression. */
967 fb_mayfail = 4, /* Gimplification may fail. Error issued
969 fb_either= fb_rvalue | fb_lvalue
972 typedef int fallback_t;
974 enum gimplify_status {
975 GS_ERROR = -2, /* Something Bad Seen. */
976 GS_UNHANDLED = -1, /* A langhook result for "I dunno". */
977 GS_OK = 0, /* We did something, maybe more to do. */
978 GS_ALL_DONE = 1 /* The expression is fully gimplified. */
983 struct gimplify_ctx *prev_context;
985 VEC(gimple,heap) *bind_expr_stack;
987 gimple_seq conditional_cleanups;
991 VEC(tree,heap) *case_labels;
992 /* The formal temporary table. Should this be persistent? */
998 bool allow_rhs_cond_expr;
1001 extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *,
1002 bool (*) (tree), fallback_t);
1003 extern void gimplify_type_sizes (tree, gimple_seq *);
1004 extern void gimplify_one_sizepos (tree *, gimple_seq *);
1005 extern bool gimplify_stmt (tree *, gimple_seq *);
1006 extern gimple gimplify_body (tree *, tree, bool);
1007 extern void push_gimplify_context (struct gimplify_ctx *);
1008 extern void pop_gimplify_context (gimple);
1009 extern void gimplify_and_add (tree, gimple_seq *);
1011 /* Miscellaneous helpers. */
1012 extern void gimple_add_tmp_var (tree);
1013 extern gimple gimple_current_bind_expr (void);
1014 extern VEC(gimple, heap) *gimple_bind_expr_stack (void);
1015 extern tree voidify_wrapper_expr (tree, tree);
1016 extern tree build_and_jump (tree *);
1017 extern tree alloc_stmt_list (void);
1018 extern void free_stmt_list (tree);
1019 extern tree force_labels_r (tree *, int *, void *);
1020 extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *,
1022 struct gimplify_omp_ctx;
1023 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree);
1024 extern tree gimple_boolify (tree);
1025 extern gimple_predicate rhs_predicate_for (tree);
1026 extern tree canonicalize_cond_expr_cond (tree);
1029 extern tree omp_reduction_init (tree, tree);
1031 /* In tree-nested.c. */
1032 extern void lower_nested_functions (tree);
1033 extern void insert_field_into_struct (tree, tree);
1035 /* In gimplify.c. */
1036 extern void gimplify_function_tree (tree);
1038 /* In cfgexpand.c. */
1039 extern tree gimple_assign_rhs_to_tree (gimple);
1042 extern bool validate_gimple_arglist (const_gimple, ...);
1045 extern bool tree_ssa_useless_type_conversion (tree);
1046 extern tree tree_ssa_strip_useless_type_conversions (tree);
1047 extern bool useless_type_conversion_p (tree, tree);
1048 extern bool types_compatible_p (tree, tree);
1050 /* Return the code for GIMPLE statement G. */
1052 static inline enum gimple_code
1053 gimple_code (const_gimple g)
1055 return g->gsbase.code;
1059 /* Return the GSS code used by a GIMPLE code. */
1061 static inline enum gimple_statement_structure_enum
1062 gss_for_code (enum gimple_code code)
1064 gcc_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE);
1065 return gss_for_code_[code];
1069 /* Return which GSS code is used by GS. */
1071 static inline enum gimple_statement_structure_enum
1072 gimple_statement_structure (gimple gs)
1074 return gss_for_code (gimple_code (gs));
1078 /* Return true if statement G has sub-statements. This is only true for
1079 High GIMPLE statements. */
1082 gimple_has_substatements (gimple g)
1084 switch (gimple_code (g))
1088 case GIMPLE_EH_FILTER:
1090 case GIMPLE_OMP_FOR:
1091 case GIMPLE_OMP_MASTER:
1092 case GIMPLE_OMP_ORDERED:
1093 case GIMPLE_OMP_SECTION:
1094 case GIMPLE_OMP_PARALLEL:
1095 case GIMPLE_OMP_TASK:
1096 case GIMPLE_OMP_SECTIONS:
1097 case GIMPLE_OMP_SINGLE:
1098 case GIMPLE_OMP_CRITICAL:
1099 case GIMPLE_WITH_CLEANUP_EXPR:
1108 /* Return the basic block holding statement G. */
1110 static inline struct basic_block_def *
1111 gimple_bb (const_gimple g)
1113 return g->gsbase.bb;
1117 /* Return the lexical scope block holding statement G. */
1120 gimple_block (const_gimple g)
1122 return g->gsbase.block;
1126 /* Set BLOCK to be the lexical scope block holding statement G. */
1129 gimple_set_block (gimple g, tree block)
1131 g->gsbase.block = block;
1135 /* Return location information for statement G. */
1137 static inline location_t
1138 gimple_location (const_gimple g)
1140 return g->gsbase.location;
1143 /* Return pointer to location information for statement G. */
1145 static inline const location_t *
1146 gimple_location_ptr (const_gimple g)
1148 return &g->gsbase.location;
1152 /* Set location information for statement G. */
1155 gimple_set_location (gimple g, location_t location)
1157 g->gsbase.location = location;
1161 /* Return true if G contains location information. */
1164 gimple_has_location (const_gimple g)
1166 return gimple_location (g) != UNKNOWN_LOCATION;
1170 /* Return the file name of the location of STMT. */
1172 static inline const char *
1173 gimple_filename (const_gimple stmt)
1175 return LOCATION_FILE (gimple_location (stmt));
1179 /* Return the line number of the location of STMT. */
1182 gimple_lineno (const_gimple stmt)
1184 return LOCATION_LINE (gimple_location (stmt));
1188 /* Determine whether SEQ is a singleton. */
1191 gimple_seq_singleton_p (gimple_seq seq)
1193 return ((gimple_seq_first (seq) != NULL)
1194 && (gimple_seq_first (seq) == gimple_seq_last (seq)));
1197 /* Return true if no warnings should be emitted for statement STMT. */
1200 gimple_no_warning_p (const_gimple stmt)
1202 return stmt->gsbase.no_warning;
1205 /* Set the no_warning flag of STMT to NO_WARNING. */
1208 gimple_set_no_warning (gimple stmt, bool no_warning)
1210 stmt->gsbase.no_warning = (unsigned) no_warning;
1213 /* Set the visited status on statement STMT to VISITED_P. */
1216 gimple_set_visited (gimple stmt, bool visited_p)
1218 stmt->gsbase.visited = (unsigned) visited_p;
1222 /* Return the visited status for statement STMT. */
1225 gimple_visited_p (gimple stmt)
1227 return stmt->gsbase.visited;
1231 /* Set pass local flag PLF on statement STMT to VAL_P. */
1234 gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p)
1237 stmt->gsbase.plf |= (unsigned int) plf;
1239 stmt->gsbase.plf &= ~((unsigned int) plf);
1243 /* Return the value of pass local flag PLF on statement STMT. */
1245 static inline unsigned int
1246 gimple_plf (gimple stmt, enum plf_mask plf)
1248 return stmt->gsbase.plf & ((unsigned int) plf);
1252 /* Set the UID of statement. */
1255 gimple_set_uid (gimple g, unsigned uid)
1257 g->gsbase.uid = uid;
1261 /* Return the UID of statement. */
1263 static inline unsigned
1264 gimple_uid (const_gimple g)
1266 return g->gsbase.uid;
1270 /* Return true if GIMPLE statement G has register or memory operands. */
1273 gimple_has_ops (const_gimple g)
1275 return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN;
1279 /* Return true if GIMPLE statement G has memory operands. */
1282 gimple_has_mem_ops (const_gimple g)
1284 return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN;
1288 /* Return the set of DEF operands for statement G. */
1290 static inline struct def_optype_d *
1291 gimple_def_ops (const_gimple g)
1293 if (!gimple_has_ops (g))
1295 return g->gsops.opbase.def_ops;
1299 /* Set DEF to be the set of DEF operands for statement G. */
1302 gimple_set_def_ops (gimple g, struct def_optype_d *def)
1304 gcc_assert (gimple_has_ops (g));
1305 g->gsops.opbase.def_ops = def;
1309 /* Return the set of USE operands for statement G. */
1311 static inline struct use_optype_d *
1312 gimple_use_ops (const_gimple g)
1314 if (!gimple_has_ops (g))
1316 return g->gsops.opbase.use_ops;
1320 /* Set USE to be the set of USE operands for statement G. */
1323 gimple_set_use_ops (gimple g, struct use_optype_d *use)
1325 gcc_assert (gimple_has_ops (g));
1326 g->gsops.opbase.use_ops = use;
1330 /* Return the set of VUSE operand for statement G. */
1332 static inline use_operand_p
1333 gimple_vuse_op (const_gimple g)
1335 struct use_optype_d *ops;
1336 if (!gimple_has_mem_ops (g))
1337 return NULL_USE_OPERAND_P;
1338 ops = g->gsops.opbase.use_ops;
1340 && USE_OP_PTR (ops)->use == &g->gsmembase.vuse)
1341 return USE_OP_PTR (ops);
1342 return NULL_USE_OPERAND_P;
1345 /* Return the set of VDEF operand for statement G. */
1347 static inline def_operand_p
1348 gimple_vdef_op (const_gimple g)
1350 struct def_optype_d *ops;
1351 if (!gimple_has_mem_ops (g))
1352 return NULL_DEF_OPERAND_P;
1353 ops = g->gsops.opbase.def_ops;
1355 && DEF_OP_PTR (ops) == &g->gsmembase.vdef)
1356 return DEF_OP_PTR (ops);
1357 return NULL_DEF_OPERAND_P;
1361 /* Return the single VUSE operand of the statement G. */
1364 gimple_vuse (const_gimple g)
1366 if (!gimple_has_mem_ops (g))
1368 return g->gsmembase.vuse;
1371 /* Return the single VDEF operand of the statement G. */
1374 gimple_vdef (const_gimple g)
1376 if (!gimple_has_mem_ops (g))
1378 return g->gsmembase.vdef;
1381 /* Return the single VUSE operand of the statement G. */
1383 static inline tree *
1384 gimple_vuse_ptr (gimple g)
1386 if (!gimple_has_mem_ops (g))
1388 return &g->gsmembase.vuse;
1391 /* Return the single VDEF operand of the statement G. */
1393 static inline tree *
1394 gimple_vdef_ptr (gimple g)
1396 if (!gimple_has_mem_ops (g))
1398 return &g->gsmembase.vdef;
1401 /* Set the single VUSE operand of the statement G. */
1404 gimple_set_vuse (gimple g, tree vuse)
1406 gcc_assert (gimple_has_mem_ops (g));
1407 g->gsmembase.vuse = vuse;
1410 /* Set the single VDEF operand of the statement G. */
1413 gimple_set_vdef (gimple g, tree vdef)
1415 gcc_assert (gimple_has_mem_ops (g));
1416 g->gsmembase.vdef = vdef;
1420 /* Return true if statement G has operands and the modified field has
1424 gimple_modified_p (const_gimple g)
1426 return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false;
1430 /* Return the tree code for the expression computed by STMT. This is
1431 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For
1432 GIMPLE_CALL, return CALL_EXPR as the expression code for
1433 consistency. This is useful when the caller needs to deal with the
1434 three kinds of computation that GIMPLE supports. */
1436 static inline enum tree_code
1437 gimple_expr_code (const_gimple stmt)
1439 enum gimple_code code = gimple_code (stmt);
1440 if (code == GIMPLE_ASSIGN || code == GIMPLE_COND)
1441 return (enum tree_code) stmt->gsbase.subcode;
1442 else if (code == GIMPLE_CALL)
1449 /* Mark statement S as modified, and update it. */
1452 update_stmt (gimple s)
1454 if (gimple_has_ops (s))
1456 gimple_set_modified (s, true);
1457 update_stmt_operands (s);
1461 /* Update statement S if it has been optimized. */
1464 update_stmt_if_modified (gimple s)
1466 if (gimple_modified_p (s))
1467 update_stmt_operands (s);
1470 /* Return true if statement STMT contains volatile operands. */
1473 gimple_has_volatile_ops (const_gimple stmt)
1475 if (gimple_has_mem_ops (stmt))
1476 return stmt->gsbase.has_volatile_ops;
1482 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */
1485 gimple_set_has_volatile_ops (gimple stmt, bool volatilep)
1487 if (gimple_has_mem_ops (stmt))
1488 stmt->gsbase.has_volatile_ops = (unsigned) volatilep;
1492 /* Return true if statement STMT may access memory. */
1495 gimple_references_memory_p (gimple stmt)
1497 return gimple_has_mem_ops (stmt) && gimple_vuse (stmt);
1501 /* Return the subcode for OMP statement S. */
1503 static inline unsigned
1504 gimple_omp_subcode (const_gimple s)
1506 gcc_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD
1507 && gimple_code (s) <= GIMPLE_OMP_SINGLE);
1508 return s->gsbase.subcode;
1511 /* Set the subcode for OMP statement S to SUBCODE. */
1514 gimple_omp_set_subcode (gimple s, unsigned int subcode)
1516 /* We only have 16 bits for the subcode. Assert that we are not
1518 gcc_assert (subcode < (1 << 16));
1519 s->gsbase.subcode = subcode;
1522 /* Set the nowait flag on OMP_RETURN statement S. */
1525 gimple_omp_return_set_nowait (gimple s)
1527 GIMPLE_CHECK (s, GIMPLE_OMP_RETURN);
1528 s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT;
1532 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT
1536 gimple_omp_return_nowait_p (const_gimple g)
1538 GIMPLE_CHECK (g, GIMPLE_OMP_RETURN);
1539 return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0;
1543 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST
1547 gimple_omp_section_last_p (const_gimple g)
1549 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1550 return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0;
1554 /* Set the GF_OMP_SECTION_LAST flag on G. */
1557 gimple_omp_section_set_last (gimple g)
1559 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1560 g->gsbase.subcode |= GF_OMP_SECTION_LAST;
1564 /* Return true if OMP parallel statement G has the
1565 GF_OMP_PARALLEL_COMBINED flag set. */
1568 gimple_omp_parallel_combined_p (const_gimple g)
1570 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1571 return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0;
1575 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean
1576 value of COMBINED_P. */
1579 gimple_omp_parallel_set_combined_p (gimple g, bool combined_p)
1581 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1583 g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED;
1585 g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED;
1589 /* Return the number of operands for statement GS. */
1591 static inline unsigned
1592 gimple_num_ops (const_gimple gs)
1594 return gs->gsbase.num_ops;
1598 /* Set the number of operands for statement GS. */
1601 gimple_set_num_ops (gimple gs, unsigned num_ops)
1603 gs->gsbase.num_ops = num_ops;
1607 /* Return the array of operands for statement GS. */
1609 static inline tree *
1610 gimple_ops (gimple gs)
1614 /* All the tuples have their operand vector at the very bottom
1615 of the structure. Note that those structures that do not
1616 have an operand vector have a zero offset. */
1617 off = gimple_ops_offset_[gimple_statement_structure (gs)];
1618 gcc_assert (off != 0);
1620 return (tree *) ((char *) gs + off);
1624 /* Return operand I for statement GS. */
1627 gimple_op (const_gimple gs, unsigned i)
1629 if (gimple_has_ops (gs))
1631 gcc_assert (i < gimple_num_ops (gs));
1632 return gimple_ops (CONST_CAST_GIMPLE (gs))[i];
1638 /* Return a pointer to operand I for statement GS. */
1640 static inline tree *
1641 gimple_op_ptr (const_gimple gs, unsigned i)
1643 if (gimple_has_ops (gs))
1645 gcc_assert (i < gimple_num_ops (gs));
1646 return gimple_ops (CONST_CAST_GIMPLE (gs)) + i;
1652 /* Set operand I of statement GS to OP. */
1655 gimple_set_op (gimple gs, unsigned i, tree op)
1657 gcc_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs));
1659 /* Note. It may be tempting to assert that OP matches
1660 is_gimple_operand, but that would be wrong. Different tuples
1661 accept slightly different sets of tree operands. Each caller
1662 should perform its own validation. */
1663 gimple_ops (gs)[i] = op;
1666 /* Return true if GS is a GIMPLE_ASSIGN. */
1669 is_gimple_assign (const_gimple gs)
1671 return gimple_code (gs) == GIMPLE_ASSIGN;
1674 /* Determine if expression CODE is one of the valid expressions that can
1675 be used on the RHS of GIMPLE assignments. */
1677 static inline enum gimple_rhs_class
1678 get_gimple_rhs_class (enum tree_code code)
1680 return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code];
1683 /* Return the LHS of assignment statement GS. */
1686 gimple_assign_lhs (const_gimple gs)
1688 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1689 return gimple_op (gs, 0);
1693 /* Return a pointer to the LHS of assignment statement GS. */
1695 static inline tree *
1696 gimple_assign_lhs_ptr (const_gimple gs)
1698 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1699 return gimple_op_ptr (gs, 0);
1703 /* Set LHS to be the LHS operand of assignment statement GS. */
1706 gimple_assign_set_lhs (gimple gs, tree lhs)
1708 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1709 gcc_assert (is_gimple_operand (lhs));
1710 gimple_set_op (gs, 0, lhs);
1712 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1713 SSA_NAME_DEF_STMT (lhs) = gs;
1717 /* Return the first operand on the RHS of assignment statement GS. */
1720 gimple_assign_rhs1 (const_gimple gs)
1722 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1723 return gimple_op (gs, 1);
1727 /* Return a pointer to the first operand on the RHS of assignment
1730 static inline tree *
1731 gimple_assign_rhs1_ptr (const_gimple gs)
1733 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1734 return gimple_op_ptr (gs, 1);
1737 /* Set RHS to be the first operand on the RHS of assignment statement GS. */
1740 gimple_assign_set_rhs1 (gimple gs, tree rhs)
1742 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1744 /* If there are 3 or more operands, the 2 operands on the RHS must be
1746 if (gimple_num_ops (gs) >= 3)
1747 gcc_assert (is_gimple_val (rhs));
1749 gcc_assert (is_gimple_operand (rhs));
1751 gimple_set_op (gs, 1, rhs);
1755 /* Return the second operand on the RHS of assignment statement GS.
1756 If GS does not have two operands, NULL is returned instead. */
1759 gimple_assign_rhs2 (const_gimple gs)
1761 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1763 if (gimple_num_ops (gs) >= 3)
1764 return gimple_op (gs, 2);
1770 /* Return a pointer to the second operand on the RHS of assignment
1773 static inline tree *
1774 gimple_assign_rhs2_ptr (const_gimple gs)
1776 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1777 return gimple_op_ptr (gs, 2);
1781 /* Set RHS to be the second operand on the RHS of assignment statement GS. */
1784 gimple_assign_set_rhs2 (gimple gs, tree rhs)
1786 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1788 /* The 2 operands on the RHS must be GIMPLE values. */
1789 gcc_assert (is_gimple_val (rhs));
1791 gimple_set_op (gs, 2, rhs);
1794 /* Returns true if GS is a nontemporal move. */
1797 gimple_assign_nontemporal_move_p (const_gimple gs)
1799 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1800 return gs->gsbase.nontemporal_move;
1803 /* Sets nontemporal move flag of GS to NONTEMPORAL. */
1806 gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal)
1808 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1809 gs->gsbase.nontemporal_move = nontemporal;
1813 /* Return the code of the expression computed on the rhs of assignment
1814 statement GS. In case that the RHS is a single object, returns the
1815 tree code of the object. */
1817 static inline enum tree_code
1818 gimple_assign_rhs_code (const_gimple gs)
1820 enum tree_code code;
1821 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1823 code = gimple_expr_code (gs);
1824 if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS)
1825 code = TREE_CODE (gimple_assign_rhs1 (gs));
1831 /* Set CODE to be the code for the expression computed on the RHS of
1835 gimple_assign_set_rhs_code (gimple s, enum tree_code code)
1837 GIMPLE_CHECK (s, GIMPLE_ASSIGN);
1838 s->gsbase.subcode = code;
1842 /* Return the gimple rhs class of the code of the expression computed on
1843 the rhs of assignment statement GS.
1844 This will never return GIMPLE_INVALID_RHS. */
1846 static inline enum gimple_rhs_class
1847 gimple_assign_rhs_class (const_gimple gs)
1849 return get_gimple_rhs_class (gimple_assign_rhs_code (gs));
1853 /* Return true if S is a type-cast assignment. */
1856 gimple_assign_cast_p (gimple s)
1858 if (is_gimple_assign (s))
1860 enum tree_code sc = gimple_assign_rhs_code (s);
1861 return CONVERT_EXPR_CODE_P (sc)
1862 || sc == VIEW_CONVERT_EXPR
1863 || sc == FIX_TRUNC_EXPR;
1870 /* Return true if GS is a GIMPLE_CALL. */
1873 is_gimple_call (const_gimple gs)
1875 return gimple_code (gs) == GIMPLE_CALL;
1878 /* Return the LHS of call statement GS. */
1881 gimple_call_lhs (const_gimple gs)
1883 GIMPLE_CHECK (gs, GIMPLE_CALL);
1884 return gimple_op (gs, 0);
1888 /* Return a pointer to the LHS of call statement GS. */
1890 static inline tree *
1891 gimple_call_lhs_ptr (const_gimple gs)
1893 GIMPLE_CHECK (gs, GIMPLE_CALL);
1894 return gimple_op_ptr (gs, 0);
1898 /* Set LHS to be the LHS operand of call statement GS. */
1901 gimple_call_set_lhs (gimple gs, tree lhs)
1903 GIMPLE_CHECK (gs, GIMPLE_CALL);
1904 gcc_assert (!lhs || is_gimple_operand (lhs));
1905 gimple_set_op (gs, 0, lhs);
1906 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1907 SSA_NAME_DEF_STMT (lhs) = gs;
1911 /* Return the tree node representing the function called by call
1915 gimple_call_fn (const_gimple gs)
1917 GIMPLE_CHECK (gs, GIMPLE_CALL);
1918 return gimple_op (gs, 1);
1922 /* Return a pointer to the tree node representing the function called by call
1925 static inline tree *
1926 gimple_call_fn_ptr (const_gimple gs)
1928 GIMPLE_CHECK (gs, GIMPLE_CALL);
1929 return gimple_op_ptr (gs, 1);
1933 /* Set FN to be the function called by call statement GS. */
1936 gimple_call_set_fn (gimple gs, tree fn)
1938 GIMPLE_CHECK (gs, GIMPLE_CALL);
1939 gcc_assert (is_gimple_operand (fn));
1940 gimple_set_op (gs, 1, fn);
1944 /* Set FNDECL to be the function called by call statement GS. */
1947 gimple_call_set_fndecl (gimple gs, tree decl)
1949 GIMPLE_CHECK (gs, GIMPLE_CALL);
1950 gcc_assert (TREE_CODE (decl) == FUNCTION_DECL);
1951 gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl));
1955 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it.
1956 Otherwise return NULL. This function is analogous to
1957 get_callee_fndecl in tree land. */
1960 gimple_call_fndecl (const_gimple gs)
1962 tree addr = gimple_call_fn (gs);
1963 if (TREE_CODE (addr) == ADDR_EXPR)
1965 gcc_assert (TREE_CODE (TREE_OPERAND (addr, 0)) == FUNCTION_DECL);
1966 return TREE_OPERAND (addr, 0);
1972 /* Return the type returned by call statement GS. */
1975 gimple_call_return_type (const_gimple gs)
1977 tree fn = gimple_call_fn (gs);
1978 tree type = TREE_TYPE (fn);
1980 /* See through the pointer. */
1981 gcc_assert (POINTER_TYPE_P (type));
1982 type = TREE_TYPE (type);
1984 gcc_assert (TREE_CODE (type) == FUNCTION_TYPE
1985 || TREE_CODE (type) == METHOD_TYPE);
1987 /* The type returned by a FUNCTION_DECL is the type of its
1989 return TREE_TYPE (type);
1993 /* Return the static chain for call statement GS. */
1996 gimple_call_chain (const_gimple gs)
1998 GIMPLE_CHECK (gs, GIMPLE_CALL);
1999 return gimple_op (gs, 2);
2003 /* Return a pointer to the static chain for call statement GS. */
2005 static inline tree *
2006 gimple_call_chain_ptr (const_gimple gs)
2008 GIMPLE_CHECK (gs, GIMPLE_CALL);
2009 return gimple_op_ptr (gs, 2);
2012 /* Set CHAIN to be the static chain for call statement GS. */
2015 gimple_call_set_chain (gimple gs, tree chain)
2017 GIMPLE_CHECK (gs, GIMPLE_CALL);
2018 gcc_assert (chain == NULL
2019 || TREE_CODE (chain) == ADDR_EXPR
2020 || SSA_VAR_P (chain));
2021 gimple_set_op (gs, 2, chain);
2025 /* Return the number of arguments used by call statement GS. */
2027 static inline unsigned
2028 gimple_call_num_args (const_gimple gs)
2031 GIMPLE_CHECK (gs, GIMPLE_CALL);
2032 num_ops = gimple_num_ops (gs);
2033 gcc_assert (num_ops >= 3);
2038 /* Return the argument at position INDEX for call statement GS. */
2041 gimple_call_arg (const_gimple gs, unsigned index)
2043 GIMPLE_CHECK (gs, GIMPLE_CALL);
2044 return gimple_op (gs, index + 3);
2048 /* Return a pointer to the argument at position INDEX for call
2051 static inline tree *
2052 gimple_call_arg_ptr (const_gimple gs, unsigned index)
2054 GIMPLE_CHECK (gs, GIMPLE_CALL);
2055 return gimple_op_ptr (gs, index + 3);
2059 /* Set ARG to be the argument at position INDEX for call statement GS. */
2062 gimple_call_set_arg (gimple gs, unsigned index, tree arg)
2064 GIMPLE_CHECK (gs, GIMPLE_CALL);
2065 gcc_assert (is_gimple_operand (arg));
2066 gimple_set_op (gs, index + 3, arg);
2070 /* If TAIL_P is true, mark call statement S as being a tail call
2071 (i.e., a call just before the exit of a function). These calls are
2072 candidate for tail call optimization. */
2075 gimple_call_set_tail (gimple s, bool tail_p)
2077 GIMPLE_CHECK (s, GIMPLE_CALL);
2079 s->gsbase.subcode |= GF_CALL_TAILCALL;
2081 s->gsbase.subcode &= ~GF_CALL_TAILCALL;
2085 /* Return true if GIMPLE_CALL S is marked as a tail call. */
2088 gimple_call_tail_p (gimple s)
2090 GIMPLE_CHECK (s, GIMPLE_CALL);
2091 return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0;
2095 /* Set the inlinable status of GIMPLE_CALL S to INLINABLE_P. */
2098 gimple_call_set_cannot_inline (gimple s, bool inlinable_p)
2100 GIMPLE_CHECK (s, GIMPLE_CALL);
2102 s->gsbase.subcode |= GF_CALL_CANNOT_INLINE;
2104 s->gsbase.subcode &= ~GF_CALL_CANNOT_INLINE;
2108 /* Return true if GIMPLE_CALL S cannot be inlined. */
2111 gimple_call_cannot_inline_p (gimple s)
2113 GIMPLE_CHECK (s, GIMPLE_CALL);
2114 return (s->gsbase.subcode & GF_CALL_CANNOT_INLINE) != 0;
2118 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return
2119 slot optimization. This transformation uses the target of the call
2120 expansion as the return slot for calls that return in memory. */
2123 gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p)
2125 GIMPLE_CHECK (s, GIMPLE_CALL);
2126 if (return_slot_opt_p)
2127 s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT;
2129 s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT;
2133 /* Return true if S is marked for return slot optimization. */
2136 gimple_call_return_slot_opt_p (gimple s)
2138 GIMPLE_CHECK (s, GIMPLE_CALL);
2139 return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0;
2143 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a
2144 thunk to the thunked-to function. */
2147 gimple_call_set_from_thunk (gimple s, bool from_thunk_p)
2149 GIMPLE_CHECK (s, GIMPLE_CALL);
2151 s->gsbase.subcode |= GF_CALL_FROM_THUNK;
2153 s->gsbase.subcode &= ~GF_CALL_FROM_THUNK;
2157 /* Return true if GIMPLE_CALL S is a jump from a thunk. */
2160 gimple_call_from_thunk_p (gimple s)
2162 GIMPLE_CHECK (s, GIMPLE_CALL);
2163 return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0;
2167 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the
2168 argument pack in its argument list. */
2171 gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p)
2173 GIMPLE_CHECK (s, GIMPLE_CALL);
2174 if (pass_arg_pack_p)
2175 s->gsbase.subcode |= GF_CALL_VA_ARG_PACK;
2177 s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK;
2181 /* Return true if GIMPLE_CALL S is a stdarg call that needs the
2182 argument pack in its argument list. */
2185 gimple_call_va_arg_pack_p (gimple s)
2187 GIMPLE_CHECK (s, GIMPLE_CALL);
2188 return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0;
2192 /* Return true if S is a noreturn call. */
2195 gimple_call_noreturn_p (gimple s)
2197 GIMPLE_CHECK (s, GIMPLE_CALL);
2198 return (gimple_call_flags (s) & ECF_NORETURN) != 0;
2202 /* Return true if S is a nothrow call. */
2205 gimple_call_nothrow_p (gimple s)
2207 GIMPLE_CHECK (s, GIMPLE_CALL);
2208 return (gimple_call_flags (s) & ECF_NOTHROW) != 0;
2212 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */
2215 gimple_call_copy_flags (gimple dest_call, gimple orig_call)
2217 GIMPLE_CHECK (dest_call, GIMPLE_CALL);
2218 GIMPLE_CHECK (orig_call, GIMPLE_CALL);
2219 dest_call->gsbase.subcode = orig_call->gsbase.subcode;
2223 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a
2227 gimple_has_lhs (gimple stmt)
2229 return (is_gimple_assign (stmt)
2230 || (is_gimple_call (stmt)
2231 && gimple_call_lhs (stmt) != NULL_TREE));
2235 /* Return the code of the predicate computed by conditional statement GS. */
2237 static inline enum tree_code
2238 gimple_cond_code (const_gimple gs)
2240 GIMPLE_CHECK (gs, GIMPLE_COND);
2241 return (enum tree_code) gs->gsbase.subcode;
2245 /* Set CODE to be the predicate code for the conditional statement GS. */
2248 gimple_cond_set_code (gimple gs, enum tree_code code)
2250 GIMPLE_CHECK (gs, GIMPLE_COND);
2251 gcc_assert (TREE_CODE_CLASS (code) == tcc_comparison);
2252 gs->gsbase.subcode = code;
2256 /* Return the LHS of the predicate computed by conditional statement GS. */
2259 gimple_cond_lhs (const_gimple gs)
2261 GIMPLE_CHECK (gs, GIMPLE_COND);
2262 return gimple_op (gs, 0);
2265 /* Return the pointer to the LHS of the predicate computed by conditional
2268 static inline tree *
2269 gimple_cond_lhs_ptr (const_gimple gs)
2271 GIMPLE_CHECK (gs, GIMPLE_COND);
2272 return gimple_op_ptr (gs, 0);
2275 /* Set LHS to be the LHS operand of the predicate computed by
2276 conditional statement GS. */
2279 gimple_cond_set_lhs (gimple gs, tree lhs)
2281 GIMPLE_CHECK (gs, GIMPLE_COND);
2282 gcc_assert (is_gimple_operand (lhs));
2283 gimple_set_op (gs, 0, lhs);
2287 /* Return the RHS operand of the predicate computed by conditional GS. */
2290 gimple_cond_rhs (const_gimple gs)
2292 GIMPLE_CHECK (gs, GIMPLE_COND);
2293 return gimple_op (gs, 1);
2296 /* Return the pointer to the RHS operand of the predicate computed by
2299 static inline tree *
2300 gimple_cond_rhs_ptr (const_gimple gs)
2302 GIMPLE_CHECK (gs, GIMPLE_COND);
2303 return gimple_op_ptr (gs, 1);
2307 /* Set RHS to be the RHS operand of the predicate computed by
2308 conditional statement GS. */
2311 gimple_cond_set_rhs (gimple gs, tree rhs)
2313 GIMPLE_CHECK (gs, GIMPLE_COND);
2314 gcc_assert (is_gimple_operand (rhs));
2315 gimple_set_op (gs, 1, rhs);
2319 /* Return the label used by conditional statement GS when its
2320 predicate evaluates to true. */
2323 gimple_cond_true_label (const_gimple gs)
2325 GIMPLE_CHECK (gs, GIMPLE_COND);
2326 return gimple_op (gs, 2);
2330 /* Set LABEL to be the label used by conditional statement GS when its
2331 predicate evaluates to true. */
2334 gimple_cond_set_true_label (gimple gs, tree label)
2336 GIMPLE_CHECK (gs, GIMPLE_COND);
2337 gcc_assert (!label || TREE_CODE (label) == LABEL_DECL);
2338 gimple_set_op (gs, 2, label);
2342 /* Set LABEL to be the label used by conditional statement GS when its
2343 predicate evaluates to false. */
2346 gimple_cond_set_false_label (gimple gs, tree label)
2348 GIMPLE_CHECK (gs, GIMPLE_COND);
2349 gcc_assert (!label || TREE_CODE (label) == LABEL_DECL);
2350 gimple_set_op (gs, 3, label);
2354 /* Return the label used by conditional statement GS when its
2355 predicate evaluates to false. */
2358 gimple_cond_false_label (const_gimple gs)
2360 GIMPLE_CHECK (gs, GIMPLE_COND);
2361 return gimple_op (gs, 3);
2365 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */
2368 gimple_cond_make_false (gimple gs)
2370 gimple_cond_set_lhs (gs, boolean_true_node);
2371 gimple_cond_set_rhs (gs, boolean_false_node);
2372 gs->gsbase.subcode = EQ_EXPR;
2376 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */
2379 gimple_cond_make_true (gimple gs)
2381 gimple_cond_set_lhs (gs, boolean_true_node);
2382 gimple_cond_set_rhs (gs, boolean_true_node);
2383 gs->gsbase.subcode = EQ_EXPR;
2386 /* Check if conditional statemente GS is of the form 'if (1 == 1)',
2387 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */
2390 gimple_cond_true_p (const_gimple gs)
2392 tree lhs = gimple_cond_lhs (gs);
2393 tree rhs = gimple_cond_rhs (gs);
2394 enum tree_code code = gimple_cond_code (gs);
2396 if (lhs != boolean_true_node && lhs != boolean_false_node)
2399 if (rhs != boolean_true_node && rhs != boolean_false_node)
2402 if (code == NE_EXPR && lhs != rhs)
2405 if (code == EQ_EXPR && lhs == rhs)
2411 /* Check if conditional statement GS is of the form 'if (1 != 1)',
2412 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */
2415 gimple_cond_false_p (const_gimple gs)
2417 tree lhs = gimple_cond_lhs (gs);
2418 tree rhs = gimple_cond_rhs (gs);
2419 enum tree_code code = gimple_cond_code (gs);
2421 if (lhs != boolean_true_node && lhs != boolean_false_node)
2424 if (rhs != boolean_true_node && rhs != boolean_false_node)
2427 if (code == NE_EXPR && lhs == rhs)
2430 if (code == EQ_EXPR && lhs != rhs)
2436 /* Check if conditional statement GS is of the form 'if (var != 0)' or
2440 gimple_cond_single_var_p (gimple gs)
2442 if (gimple_cond_code (gs) == NE_EXPR
2443 && gimple_cond_rhs (gs) == boolean_false_node)
2446 if (gimple_cond_code (gs) == EQ_EXPR
2447 && gimple_cond_rhs (gs) == boolean_true_node)
2453 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */
2456 gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs)
2458 gimple_cond_set_code (stmt, code);
2459 gimple_cond_set_lhs (stmt, lhs);
2460 gimple_cond_set_rhs (stmt, rhs);
2463 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */
2466 gimple_label_label (const_gimple gs)
2468 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2469 return gimple_op (gs, 0);
2473 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement
2477 gimple_label_set_label (gimple gs, tree label)
2479 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2480 gcc_assert (TREE_CODE (label) == LABEL_DECL);
2481 gimple_set_op (gs, 0, label);
2485 /* Return the destination of the unconditional jump GS. */
2488 gimple_goto_dest (const_gimple gs)
2490 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2491 return gimple_op (gs, 0);
2495 /* Set DEST to be the destination of the unconditonal jump GS. */
2498 gimple_goto_set_dest (gimple gs, tree dest)
2500 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2501 gcc_assert (is_gimple_operand (dest));
2502 gimple_set_op (gs, 0, dest);
2506 /* Return the variables declared in the GIMPLE_BIND statement GS. */
2509 gimple_bind_vars (const_gimple gs)
2511 GIMPLE_CHECK (gs, GIMPLE_BIND);
2512 return gs->gimple_bind.vars;
2516 /* Set VARS to be the set of variables declared in the GIMPLE_BIND
2520 gimple_bind_set_vars (gimple gs, tree vars)
2522 GIMPLE_CHECK (gs, GIMPLE_BIND);
2523 gs->gimple_bind.vars = vars;
2527 /* Append VARS to the set of variables declared in the GIMPLE_BIND
2531 gimple_bind_append_vars (gimple gs, tree vars)
2533 GIMPLE_CHECK (gs, GIMPLE_BIND);
2534 gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars);
2538 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */
2540 static inline gimple_seq
2541 gimple_bind_body (gimple gs)
2543 GIMPLE_CHECK (gs, GIMPLE_BIND);
2544 return gs->gimple_bind.body;
2548 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND
2552 gimple_bind_set_body (gimple gs, gimple_seq seq)
2554 GIMPLE_CHECK (gs, GIMPLE_BIND);
2555 gs->gimple_bind.body = seq;
2559 /* Append a statement to the end of a GIMPLE_BIND's body. */
2562 gimple_bind_add_stmt (gimple gs, gimple stmt)
2564 GIMPLE_CHECK (gs, GIMPLE_BIND);
2565 gimple_seq_add_stmt (&gs->gimple_bind.body, stmt);
2569 /* Append a sequence of statements to the end of a GIMPLE_BIND's body. */
2572 gimple_bind_add_seq (gimple gs, gimple_seq seq)
2574 GIMPLE_CHECK (gs, GIMPLE_BIND);
2575 gimple_seq_add_seq (&gs->gimple_bind.body, seq);
2579 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement
2580 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */
2583 gimple_bind_block (const_gimple gs)
2585 GIMPLE_CHECK (gs, GIMPLE_BIND);
2586 return gs->gimple_bind.block;
2590 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND
2594 gimple_bind_set_block (gimple gs, tree block)
2596 GIMPLE_CHECK (gs, GIMPLE_BIND);
2597 gcc_assert (block == NULL_TREE || TREE_CODE (block) == BLOCK);
2598 gs->gimple_bind.block = block;
2602 /* Return the number of input operands for GIMPLE_ASM GS. */
2604 static inline unsigned
2605 gimple_asm_ninputs (const_gimple gs)
2607 GIMPLE_CHECK (gs, GIMPLE_ASM);
2608 return gs->gimple_asm.ni;
2612 /* Return the number of output operands for GIMPLE_ASM GS. */
2614 static inline unsigned
2615 gimple_asm_noutputs (const_gimple gs)
2617 GIMPLE_CHECK (gs, GIMPLE_ASM);
2618 return gs->gimple_asm.no;
2622 /* Return the number of clobber operands for GIMPLE_ASM GS. */
2624 static inline unsigned
2625 gimple_asm_nclobbers (const_gimple gs)
2627 GIMPLE_CHECK (gs, GIMPLE_ASM);
2628 return gs->gimple_asm.nc;
2631 /* Return the number of label operands for GIMPLE_ASM GS. */
2633 static inline unsigned
2634 gimple_asm_nlabels (const_gimple gs)
2636 GIMPLE_CHECK (gs, GIMPLE_ASM);
2637 return gs->gimple_asm.nl;
2640 /* Return input operand INDEX of GIMPLE_ASM GS. */
2643 gimple_asm_input_op (const_gimple gs, unsigned index)
2645 GIMPLE_CHECK (gs, GIMPLE_ASM);
2646 gcc_assert (index <= gs->gimple_asm.ni);
2647 return gimple_op (gs, index);
2650 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */
2652 static inline tree *
2653 gimple_asm_input_op_ptr (const_gimple gs, unsigned index)
2655 GIMPLE_CHECK (gs, GIMPLE_ASM);
2656 gcc_assert (index <= gs->gimple_asm.ni);
2657 return gimple_op_ptr (gs, index);
2661 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */
2664 gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op)
2666 GIMPLE_CHECK (gs, GIMPLE_ASM);
2667 gcc_assert (index <= gs->gimple_asm.ni);
2668 gcc_assert (TREE_CODE (in_op) == TREE_LIST);
2669 gimple_set_op (gs, index, in_op);
2673 /* Return output operand INDEX of GIMPLE_ASM GS. */
2676 gimple_asm_output_op (const_gimple gs, unsigned index)
2678 GIMPLE_CHECK (gs, GIMPLE_ASM);
2679 gcc_assert (index <= gs->gimple_asm.no);
2680 return gimple_op (gs, index + gs->gimple_asm.ni);
2683 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */
2685 static inline tree *
2686 gimple_asm_output_op_ptr (const_gimple gs, unsigned index)
2688 GIMPLE_CHECK (gs, GIMPLE_ASM);
2689 gcc_assert (index <= gs->gimple_asm.no);
2690 return gimple_op_ptr (gs, index + gs->gimple_asm.ni);
2694 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */
2697 gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op)
2699 GIMPLE_CHECK (gs, GIMPLE_ASM);
2700 gcc_assert (index <= gs->gimple_asm.no);
2701 gcc_assert (TREE_CODE (out_op) == TREE_LIST);
2702 gimple_set_op (gs, index + gs->gimple_asm.ni, out_op);
2706 /* Return clobber operand INDEX of GIMPLE_ASM GS. */
2709 gimple_asm_clobber_op (const_gimple gs, unsigned index)
2711 GIMPLE_CHECK (gs, GIMPLE_ASM);
2712 gcc_assert (index <= gs->gimple_asm.nc);
2713 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no);
2717 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */
2720 gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op)
2722 GIMPLE_CHECK (gs, GIMPLE_ASM);
2723 gcc_assert (index <= gs->gimple_asm.nc);
2724 gcc_assert (TREE_CODE (clobber_op) == TREE_LIST);
2725 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op);
2728 /* Return label operand INDEX of GIMPLE_ASM GS. */
2731 gimple_asm_label_op (const_gimple gs, unsigned index)
2733 GIMPLE_CHECK (gs, GIMPLE_ASM);
2734 gcc_assert (index <= gs->gimple_asm.nl);
2735 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc);
2738 /* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS. */
2741 gimple_asm_set_label_op (gimple gs, unsigned index, tree label_op)
2743 GIMPLE_CHECK (gs, GIMPLE_ASM);
2744 gcc_assert (index <= gs->gimple_asm.nl);
2745 gcc_assert (TREE_CODE (label_op) == TREE_LIST);
2746 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc, label_op);
2749 /* Return the string representing the assembly instruction in
2752 static inline const char *
2753 gimple_asm_string (const_gimple gs)
2755 GIMPLE_CHECK (gs, GIMPLE_ASM);
2756 return gs->gimple_asm.string;
2760 /* Return true if GS is an asm statement marked volatile. */
2763 gimple_asm_volatile_p (const_gimple gs)
2765 GIMPLE_CHECK (gs, GIMPLE_ASM);
2766 return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0;
2770 /* If VOLATLE_P is true, mark asm statement GS as volatile. */
2773 gimple_asm_set_volatile (gimple gs, bool volatile_p)
2775 GIMPLE_CHECK (gs, GIMPLE_ASM);
2777 gs->gsbase.subcode |= GF_ASM_VOLATILE;
2779 gs->gsbase.subcode &= ~GF_ASM_VOLATILE;
2783 /* If INPUT_P is true, mark asm GS as an ASM_INPUT. */
2786 gimple_asm_set_input (gimple gs, bool input_p)
2788 GIMPLE_CHECK (gs, GIMPLE_ASM);
2790 gs->gsbase.subcode |= GF_ASM_INPUT;
2792 gs->gsbase.subcode &= ~GF_ASM_INPUT;
2796 /* Return true if asm GS is an ASM_INPUT. */
2799 gimple_asm_input_p (const_gimple gs)
2801 GIMPLE_CHECK (gs, GIMPLE_ASM);
2802 return (gs->gsbase.subcode & GF_ASM_INPUT) != 0;
2806 /* Return the types handled by GIMPLE_CATCH statement GS. */
2809 gimple_catch_types (const_gimple gs)
2811 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2812 return gs->gimple_catch.types;
2816 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */
2818 static inline tree *
2819 gimple_catch_types_ptr (gimple gs)
2821 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2822 return &gs->gimple_catch.types;
2826 /* Return the GIMPLE sequence representing the body of the handler of
2827 GIMPLE_CATCH statement GS. */
2829 static inline gimple_seq
2830 gimple_catch_handler (gimple gs)
2832 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2833 return gs->gimple_catch.handler;
2837 /* Return a pointer to the GIMPLE sequence representing the body of
2838 the handler of GIMPLE_CATCH statement GS. */
2840 static inline gimple_seq *
2841 gimple_catch_handler_ptr (gimple gs)
2843 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2844 return &gs->gimple_catch.handler;
2848 /* Set T to be the set of types handled by GIMPLE_CATCH GS. */
2851 gimple_catch_set_types (gimple gs, tree t)
2853 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2854 gs->gimple_catch.types = t;
2858 /* Set HANDLER to be the body of GIMPLE_CATCH GS. */
2861 gimple_catch_set_handler (gimple gs, gimple_seq handler)
2863 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2864 gs->gimple_catch.handler = handler;
2868 /* Return the types handled by GIMPLE_EH_FILTER statement GS. */
2871 gimple_eh_filter_types (const_gimple gs)
2873 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2874 return gs->gimple_eh_filter.types;
2878 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement
2881 static inline tree *
2882 gimple_eh_filter_types_ptr (gimple gs)
2884 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2885 return &gs->gimple_eh_filter.types;
2889 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER
2892 static inline gimple_seq
2893 gimple_eh_filter_failure (gimple gs)
2895 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2896 return gs->gimple_eh_filter.failure;
2900 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */
2903 gimple_eh_filter_set_types (gimple gs, tree types)
2905 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2906 gs->gimple_eh_filter.types = types;
2910 /* Set FAILURE to be the sequence of statements to execute on failure
2911 for GIMPLE_EH_FILTER GS. */
2914 gimple_eh_filter_set_failure (gimple gs, gimple_seq failure)
2916 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2917 gs->gimple_eh_filter.failure = failure;
2920 /* Get the function decl to be called by the MUST_NOT_THROW region. */
2923 gimple_eh_must_not_throw_fndecl (gimple gs)
2925 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
2926 return gs->gimple_eh_mnt.fndecl;
2929 /* Set the function decl to be called by GS to DECL. */
2932 gimple_eh_must_not_throw_set_fndecl (gimple gs, tree decl)
2934 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
2935 gs->gimple_eh_mnt.fndecl = decl;
2939 /* GIMPLE_TRY accessors. */
2941 /* Return the kind of try block represented by GIMPLE_TRY GS. This is
2942 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */
2944 static inline enum gimple_try_flags
2945 gimple_try_kind (const_gimple gs)
2947 GIMPLE_CHECK (gs, GIMPLE_TRY);
2948 return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND);
2952 /* Set the kind of try block represented by GIMPLE_TRY GS. */
2955 gimple_try_set_kind (gimple gs, enum gimple_try_flags kind)
2957 GIMPLE_CHECK (gs, GIMPLE_TRY);
2958 gcc_assert (kind == GIMPLE_TRY_CATCH || kind == GIMPLE_TRY_FINALLY);
2959 if (gimple_try_kind (gs) != kind)
2960 gs->gsbase.subcode = (unsigned int) kind;
2964 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
2967 gimple_try_catch_is_cleanup (const_gimple gs)
2969 gcc_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH);
2970 return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0;
2974 /* Return the sequence of statements used as the body for GIMPLE_TRY GS. */
2976 static inline gimple_seq
2977 gimple_try_eval (gimple gs)
2979 GIMPLE_CHECK (gs, GIMPLE_TRY);
2980 return gs->gimple_try.eval;
2984 /* Return the sequence of statements used as the cleanup body for
2987 static inline gimple_seq
2988 gimple_try_cleanup (gimple gs)
2990 GIMPLE_CHECK (gs, GIMPLE_TRY);
2991 return gs->gimple_try.cleanup;
2995 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
2998 gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup)
3000 gcc_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH);
3001 if (catch_is_cleanup)
3002 g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP;
3004 g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP;
3008 /* Set EVAL to be the sequence of statements to use as the body for
3012 gimple_try_set_eval (gimple gs, gimple_seq eval)
3014 GIMPLE_CHECK (gs, GIMPLE_TRY);
3015 gs->gimple_try.eval = eval;
3019 /* Set CLEANUP to be the sequence of statements to use as the cleanup
3020 body for GIMPLE_TRY GS. */
3023 gimple_try_set_cleanup (gimple gs, gimple_seq cleanup)
3025 GIMPLE_CHECK (gs, GIMPLE_TRY);
3026 gs->gimple_try.cleanup = cleanup;
3030 /* Return the cleanup sequence for cleanup statement GS. */
3032 static inline gimple_seq
3033 gimple_wce_cleanup (gimple gs)
3035 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3036 return gs->gimple_wce.cleanup;
3040 /* Set CLEANUP to be the cleanup sequence for GS. */
3043 gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup)
3045 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3046 gs->gimple_wce.cleanup = cleanup;
3050 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */
3053 gimple_wce_cleanup_eh_only (const_gimple gs)
3055 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3056 return gs->gsbase.subcode != 0;
3060 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */
3063 gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p)
3065 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3066 gs->gsbase.subcode = (unsigned int) eh_only_p;
3070 /* Return the maximum number of arguments supported by GIMPLE_PHI GS. */
3072 static inline unsigned
3073 gimple_phi_capacity (const_gimple gs)
3075 GIMPLE_CHECK (gs, GIMPLE_PHI);
3076 return gs->gimple_phi.capacity;
3080 /* Return the number of arguments in GIMPLE_PHI GS. This must always
3081 be exactly the number of incoming edges for the basic block holding
3084 static inline unsigned
3085 gimple_phi_num_args (const_gimple gs)
3087 GIMPLE_CHECK (gs, GIMPLE_PHI);
3088 return gs->gimple_phi.nargs;
3092 /* Return the SSA name created by GIMPLE_PHI GS. */
3095 gimple_phi_result (const_gimple gs)
3097 GIMPLE_CHECK (gs, GIMPLE_PHI);
3098 return gs->gimple_phi.result;
3101 /* Return a pointer to the SSA name created by GIMPLE_PHI GS. */
3103 static inline tree *
3104 gimple_phi_result_ptr (gimple gs)
3106 GIMPLE_CHECK (gs, GIMPLE_PHI);
3107 return &gs->gimple_phi.result;
3110 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */
3113 gimple_phi_set_result (gimple gs, tree result)
3115 GIMPLE_CHECK (gs, GIMPLE_PHI);
3116 gs->gimple_phi.result = result;
3120 /* Return the PHI argument corresponding to incoming edge INDEX for
3123 static inline struct phi_arg_d *
3124 gimple_phi_arg (gimple gs, unsigned index)
3126 GIMPLE_CHECK (gs, GIMPLE_PHI);
3127 gcc_assert (index <= gs->gimple_phi.capacity);
3128 return &(gs->gimple_phi.args[index]);
3131 /* Set PHIARG to be the argument corresponding to incoming edge INDEX
3132 for GIMPLE_PHI GS. */
3135 gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg)
3137 GIMPLE_CHECK (gs, GIMPLE_PHI);
3138 gcc_assert (index <= gs->gimple_phi.nargs);
3139 memcpy (gs->gimple_phi.args + index, phiarg, sizeof (struct phi_arg_d));
3142 /* Return the region number for GIMPLE_RESX GS. */
3145 gimple_resx_region (const_gimple gs)
3147 GIMPLE_CHECK (gs, GIMPLE_RESX);
3148 return gs->gimple_eh_ctrl.region;
3151 /* Set REGION to be the region number for GIMPLE_RESX GS. */
3154 gimple_resx_set_region (gimple gs, int region)
3156 GIMPLE_CHECK (gs, GIMPLE_RESX);
3157 gs->gimple_eh_ctrl.region = region;
3160 /* Return the region number for GIMPLE_EH_DISPATCH GS. */
3163 gimple_eh_dispatch_region (const_gimple gs)
3165 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3166 return gs->gimple_eh_ctrl.region;
3169 /* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS. */
3172 gimple_eh_dispatch_set_region (gimple gs, int region)
3174 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3175 gs->gimple_eh_ctrl.region = region;
3178 /* Return the number of labels associated with the switch statement GS. */
3180 static inline unsigned
3181 gimple_switch_num_labels (const_gimple gs)
3184 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3185 num_ops = gimple_num_ops (gs);
3186 gcc_assert (num_ops > 1);
3191 /* Set NLABELS to be the number of labels for the switch statement GS. */
3194 gimple_switch_set_num_labels (gimple g, unsigned nlabels)
3196 GIMPLE_CHECK (g, GIMPLE_SWITCH);
3197 gimple_set_num_ops (g, nlabels + 1);
3201 /* Return the index variable used by the switch statement GS. */
3204 gimple_switch_index (const_gimple gs)
3206 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3207 return gimple_op (gs, 0);
3211 /* Return a pointer to the index variable for the switch statement GS. */
3213 static inline tree *
3214 gimple_switch_index_ptr (const_gimple gs)
3216 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3217 return gimple_op_ptr (gs, 0);
3221 /* Set INDEX to be the index variable for switch statement GS. */
3224 gimple_switch_set_index (gimple gs, tree index)
3226 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3227 gcc_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index));
3228 gimple_set_op (gs, 0, index);
3232 /* Return the label numbered INDEX. The default label is 0, followed by any
3233 labels in a switch statement. */
3236 gimple_switch_label (const_gimple gs, unsigned index)
3238 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3239 gcc_assert (gimple_num_ops (gs) > index + 1);
3240 return gimple_op (gs, index + 1);
3243 /* Set the label number INDEX to LABEL. 0 is always the default label. */
3246 gimple_switch_set_label (gimple gs, unsigned index, tree label)
3248 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3249 gcc_assert (gimple_num_ops (gs) > index + 1);
3250 gcc_assert (label == NULL_TREE || TREE_CODE (label) == CASE_LABEL_EXPR);
3251 gimple_set_op (gs, index + 1, label);
3254 /* Return the default label for a switch statement. */
3257 gimple_switch_default_label (const_gimple gs)
3259 return gimple_switch_label (gs, 0);
3262 /* Set the default label for a switch statement. */
3265 gimple_switch_set_default_label (gimple gs, tree label)
3267 gimple_switch_set_label (gs, 0, label);
3270 /* Return true if GS is a GIMPLE_DEBUG statement. */
3273 is_gimple_debug (const_gimple gs)
3275 return gimple_code (gs) == GIMPLE_DEBUG;
3278 /* Return true if S is a GIMPLE_DEBUG BIND statement. */
3281 gimple_debug_bind_p (const_gimple s)
3283 if (is_gimple_debug (s))
3284 return s->gsbase.subcode == GIMPLE_DEBUG_BIND;
3289 /* Return the variable bound in a GIMPLE_DEBUG bind statement. */
3292 gimple_debug_bind_get_var (gimple dbg)
3294 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3295 gcc_assert (gimple_debug_bind_p (dbg));
3296 return gimple_op (dbg, 0);
3299 /* Return the value bound to the variable in a GIMPLE_DEBUG bind
3303 gimple_debug_bind_get_value (gimple dbg)
3305 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3306 gcc_assert (gimple_debug_bind_p (dbg));
3307 return gimple_op (dbg, 1);
3310 /* Return a pointer to the value bound to the variable in a
3311 GIMPLE_DEBUG bind statement. */
3313 static inline tree *
3314 gimple_debug_bind_get_value_ptr (gimple dbg)
3316 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3317 gcc_assert (gimple_debug_bind_p (dbg));
3318 return gimple_op_ptr (dbg, 1);
3321 /* Set the variable bound in a GIMPLE_DEBUG bind statement. */
3324 gimple_debug_bind_set_var (gimple dbg, tree var)
3326 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3327 gcc_assert (gimple_debug_bind_p (dbg));
3328 gimple_set_op (dbg, 0, var);
3331 /* Set the value bound to the variable in a GIMPLE_DEBUG bind
3335 gimple_debug_bind_set_value (gimple dbg, tree value)
3337 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3338 gcc_assert (gimple_debug_bind_p (dbg));
3339 gimple_set_op (dbg, 1, value);
3342 /* The second operand of a GIMPLE_DEBUG_BIND, when the value was
3344 #define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */
3346 /* Remove the value bound to the variable in a GIMPLE_DEBUG bind
3350 gimple_debug_bind_reset_value (gimple dbg)
3352 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3353 gcc_assert (gimple_debug_bind_p (dbg));
3354 gimple_set_op (dbg, 1, GIMPLE_DEBUG_BIND_NOVALUE);
3357 /* Return true if the GIMPLE_DEBUG bind statement is bound to a
3361 gimple_debug_bind_has_value_p (gimple dbg)
3363 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3364 gcc_assert (gimple_debug_bind_p (dbg));
3365 return gimple_op (dbg, 1) != GIMPLE_DEBUG_BIND_NOVALUE;
3368 #undef GIMPLE_DEBUG_BIND_NOVALUE
3370 /* Return the body for the OMP statement GS. */
3372 static inline gimple_seq
3373 gimple_omp_body (gimple gs)
3375 return gs->omp.body;
3378 /* Set BODY to be the body for the OMP statement GS. */
3381 gimple_omp_set_body (gimple gs, gimple_seq body)
3383 gs->omp.body = body;
3387 /* Return the name associated with OMP_CRITICAL statement GS. */
3390 gimple_omp_critical_name (const_gimple gs)
3392 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3393 return gs->gimple_omp_critical.name;
3397 /* Return a pointer to the name associated with OMP critical statement GS. */
3399 static inline tree *
3400 gimple_omp_critical_name_ptr (gimple gs)
3402 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3403 return &gs->gimple_omp_critical.name;
3407 /* Set NAME to be the name associated with OMP critical statement GS. */
3410 gimple_omp_critical_set_name (gimple gs, tree name)
3412 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3413 gs->gimple_omp_critical.name = name;
3417 /* Return the clauses associated with OMP_FOR GS. */
3420 gimple_omp_for_clauses (const_gimple gs)
3422 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3423 return gs->gimple_omp_for.clauses;
3427 /* Return a pointer to the OMP_FOR GS. */
3429 static inline tree *
3430 gimple_omp_for_clauses_ptr (gimple gs)
3432 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3433 return &gs->gimple_omp_for.clauses;
3437 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */
3440 gimple_omp_for_set_clauses (gimple gs, tree clauses)
3442 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3443 gs->gimple_omp_for.clauses = clauses;
3447 /* Get the collapse count of OMP_FOR GS. */
3449 static inline size_t
3450 gimple_omp_for_collapse (gimple gs)
3452 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3453 return gs->gimple_omp_for.collapse;
3457 /* Return the index variable for OMP_FOR GS. */
3460 gimple_omp_for_index (const_gimple gs, size_t i)
3462 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3463 gcc_assert (i < gs->gimple_omp_for.collapse);
3464 return gs->gimple_omp_for.iter[i].index;
3468 /* Return a pointer to the index variable for OMP_FOR GS. */
3470 static inline tree *
3471 gimple_omp_for_index_ptr (gimple gs, size_t i)
3473 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3474 gcc_assert (i < gs->gimple_omp_for.collapse);
3475 return &gs->gimple_omp_for.iter[i].index;
3479 /* Set INDEX to be the index variable for OMP_FOR GS. */
3482 gimple_omp_for_set_index (gimple gs, size_t i, tree index)
3484 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3485 gcc_assert (i < gs->gimple_omp_for.collapse);
3486 gs->gimple_omp_for.iter[i].index = index;
3490 /* Return the initial value for OMP_FOR GS. */
3493 gimple_omp_for_initial (const_gimple gs, size_t i)
3495 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3496 gcc_assert (i < gs->gimple_omp_for.collapse);
3497 return gs->gimple_omp_for.iter[i].initial;
3501 /* Return a pointer to the initial value for OMP_FOR GS. */
3503 static inline tree *
3504 gimple_omp_for_initial_ptr (gimple gs, size_t i)
3506 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3507 gcc_assert (i < gs->gimple_omp_for.collapse);
3508 return &gs->gimple_omp_for.iter[i].initial;
3512 /* Set INITIAL to be the initial value for OMP_FOR GS. */
3515 gimple_omp_for_set_initial (gimple gs, size_t i, tree initial)
3517 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3518 gcc_assert (i < gs->gimple_omp_for.collapse);
3519 gs->gimple_omp_for.iter[i].initial = initial;
3523 /* Return the final value for OMP_FOR GS. */
3526 gimple_omp_for_final (const_gimple gs, size_t i)
3528 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3529 gcc_assert (i < gs->gimple_omp_for.collapse);
3530 return gs->gimple_omp_for.iter[i].final;
3534 /* Return a pointer to the final value for OMP_FOR GS. */
3536 static inline tree *
3537 gimple_omp_for_final_ptr (gimple gs, size_t i)
3539 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3540 gcc_assert (i < gs->gimple_omp_for.collapse);
3541 return &gs->gimple_omp_for.iter[i].final;
3545 /* Set FINAL to be the final value for OMP_FOR GS. */
3548 gimple_omp_for_set_final (gimple gs, size_t i, tree final)
3550 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3551 gcc_assert (i < gs->gimple_omp_for.collapse);
3552 gs->gimple_omp_for.iter[i].final = final;
3556 /* Return the increment value for OMP_FOR GS. */
3559 gimple_omp_for_incr (const_gimple gs, size_t i)
3561 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3562 gcc_assert (i < gs->gimple_omp_for.collapse);
3563 return gs->gimple_omp_for.iter[i].incr;
3567 /* Return a pointer to the increment value for OMP_FOR GS. */
3569 static inline tree *
3570 gimple_omp_for_incr_ptr (gimple gs, size_t i)
3572 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3573 gcc_assert (i < gs->gimple_omp_for.collapse);
3574 return &gs->gimple_omp_for.iter[i].incr;
3578 /* Set INCR to be the increment value for OMP_FOR GS. */
3581 gimple_omp_for_set_incr (gimple gs, size_t i, tree incr)
3583 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3584 gcc_assert (i < gs->gimple_omp_for.collapse);
3585 gs->gimple_omp_for.iter[i].incr = incr;
3589 /* Return the sequence of statements to execute before the OMP_FOR
3590 statement GS starts. */
3592 static inline gimple_seq
3593 gimple_omp_for_pre_body (gimple gs)
3595 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3596 return gs->gimple_omp_for.pre_body;
3600 /* Set PRE_BODY to be the sequence of statements to execute before the
3601 OMP_FOR statement GS starts. */
3604 gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body)
3606 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3607 gs->gimple_omp_for.pre_body = pre_body;
3611 /* Return the clauses associated with OMP_PARALLEL GS. */
3614 gimple_omp_parallel_clauses (const_gimple gs)
3616 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3617 return gs->gimple_omp_parallel.clauses;
3621 /* Return a pointer to the clauses associated with OMP_PARALLEL GS. */
3623 static inline tree *
3624 gimple_omp_parallel_clauses_ptr (gimple gs)
3626 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3627 return &gs->gimple_omp_parallel.clauses;
3631 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL
3635 gimple_omp_parallel_set_clauses (gimple gs, tree clauses)
3637 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3638 gs->gimple_omp_parallel.clauses = clauses;
3642 /* Return the child function used to hold the body of OMP_PARALLEL GS. */
3645 gimple_omp_parallel_child_fn (const_gimple gs)
3647 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3648 return gs->gimple_omp_parallel.child_fn;
3651 /* Return a pointer to the child function used to hold the body of
3654 static inline tree *
3655 gimple_omp_parallel_child_fn_ptr (gimple gs)
3657 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3658 return &gs->gimple_omp_parallel.child_fn;
3662 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */
3665 gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn)
3667 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3668 gs->gimple_omp_parallel.child_fn = child_fn;
3672 /* Return the artificial argument used to send variables and values
3673 from the parent to the children threads in OMP_PARALLEL GS. */
3676 gimple_omp_parallel_data_arg (const_gimple gs)
3678 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3679 return gs->gimple_omp_parallel.data_arg;
3683 /* Return a pointer to the data argument for OMP_PARALLEL GS. */
3685 static inline tree *
3686 gimple_omp_parallel_data_arg_ptr (gimple gs)
3688 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3689 return &gs->gimple_omp_parallel.data_arg;
3693 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */
3696 gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg)
3698 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3699 gs->gimple_omp_parallel.data_arg = data_arg;
3703 /* Return the clauses associated with OMP_TASK GS. */
3706 gimple_omp_task_clauses (const_gimple gs)
3708 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3709 return gs->gimple_omp_parallel.clauses;
3713 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3715 static inline tree *
3716 gimple_omp_task_clauses_ptr (gimple gs)
3718 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3719 return &gs->gimple_omp_parallel.clauses;
3723 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3727 gimple_omp_task_set_clauses (gimple gs, tree clauses)
3729 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3730 gs->gimple_omp_parallel.clauses = clauses;
3734 /* Return the child function used to hold the body of OMP_TASK GS. */
3737 gimple_omp_task_child_fn (const_gimple gs)
3739 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3740 return gs->gimple_omp_parallel.child_fn;
3743 /* Return a pointer to the child function used to hold the body of
3746 static inline tree *
3747 gimple_omp_task_child_fn_ptr (gimple gs)
3749 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3750 return &gs->gimple_omp_parallel.child_fn;
3754 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3757 gimple_omp_task_set_child_fn (gimple gs, tree child_fn)
3759 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3760 gs->gimple_omp_parallel.child_fn = child_fn;
3764 /* Return the artificial argument used to send variables and values
3765 from the parent to the children threads in OMP_TASK GS. */
3768 gimple_omp_task_data_arg (const_gimple gs)
3770 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3771 return gs->gimple_omp_parallel.data_arg;
3775 /* Return a pointer to the data argument for OMP_TASK GS. */
3777 static inline tree *
3778 gimple_omp_task_data_arg_ptr (gimple gs)
3780 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3781 return &gs->gimple_omp_parallel.data_arg;
3785 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3788 gimple_omp_task_set_data_arg (gimple gs, tree data_arg)
3790 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3791 gs->gimple_omp_parallel.data_arg = data_arg;
3795 /* Return the clauses associated with OMP_TASK GS. */
3798 gimple_omp_taskreg_clauses (const_gimple gs)
3800 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3801 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3802 return gs->gimple_omp_parallel.clauses;
3806 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3808 static inline tree *
3809 gimple_omp_taskreg_clauses_ptr (gimple gs)
3811 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3812 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3813 return &gs->gimple_omp_parallel.clauses;
3817 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3821 gimple_omp_taskreg_set_clauses (gimple gs, tree clauses)
3823 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3824 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3825 gs->gimple_omp_parallel.clauses = clauses;
3829 /* Return the child function used to hold the body of OMP_TASK GS. */
3832 gimple_omp_taskreg_child_fn (const_gimple gs)
3834 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3835 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3836 return gs->gimple_omp_parallel.child_fn;
3839 /* Return a pointer to the child function used to hold the body of
3842 static inline tree *
3843 gimple_omp_taskreg_child_fn_ptr (gimple gs)
3845 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3846 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3847 return &gs->gimple_omp_parallel.child_fn;
3851 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3854 gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn)
3856 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3857 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3858 gs->gimple_omp_parallel.child_fn = child_fn;
3862 /* Return the artificial argument used to send variables and values
3863 from the parent to the children threads in OMP_TASK GS. */
3866 gimple_omp_taskreg_data_arg (const_gimple gs)
3868 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3869 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3870 return gs->gimple_omp_parallel.data_arg;
3874 /* Return a pointer to the data argument for OMP_TASK GS. */
3876 static inline tree *
3877 gimple_omp_taskreg_data_arg_ptr (gimple gs)
3879 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3880 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3881 return &gs->gimple_omp_parallel.data_arg;
3885 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3888 gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg)
3890 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3891 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3892 gs->gimple_omp_parallel.data_arg = data_arg;
3896 /* Return the copy function used to hold the body of OMP_TASK GS. */
3899 gimple_omp_task_copy_fn (const_gimple gs)
3901 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3902 return gs->gimple_omp_task.copy_fn;
3905 /* Return a pointer to the copy function used to hold the body of
3908 static inline tree *
3909 gimple_omp_task_copy_fn_ptr (gimple gs)
3911 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3912 return &gs->gimple_omp_task.copy_fn;
3916 /* Set CHILD_FN to be the copy function for OMP_TASK GS. */
3919 gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn)
3921 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3922 gs->gimple_omp_task.copy_fn = copy_fn;
3926 /* Return size of the data block in bytes in OMP_TASK GS. */
3929 gimple_omp_task_arg_size (const_gimple gs)
3931 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3932 return gs->gimple_omp_task.arg_size;
3936 /* Return a pointer to the data block size for OMP_TASK GS. */
3938 static inline tree *
3939 gimple_omp_task_arg_size_ptr (gimple gs)
3941 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3942 return &gs->gimple_omp_task.arg_size;
3946 /* Set ARG_SIZE to be the data block size for OMP_TASK GS. */
3949 gimple_omp_task_set_arg_size (gimple gs, tree arg_size)
3951 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3952 gs->gimple_omp_task.arg_size = arg_size;
3956 /* Return align of the data block in bytes in OMP_TASK GS. */
3959 gimple_omp_task_arg_align (const_gimple gs)
3961 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3962 return gs->gimple_omp_task.arg_align;
3966 /* Return a pointer to the data block align for OMP_TASK GS. */
3968 static inline tree *
3969 gimple_omp_task_arg_align_ptr (gimple gs)
3971 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3972 return &gs->gimple_omp_task.arg_align;
3976 /* Set ARG_SIZE to be the data block align for OMP_TASK GS. */
3979 gimple_omp_task_set_arg_align (gimple gs, tree arg_align)
3981 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3982 gs->gimple_omp_task.arg_align = arg_align;
3986 /* Return the clauses associated with OMP_SINGLE GS. */
3989 gimple_omp_single_clauses (const_gimple gs)
3991 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
3992 return gs->gimple_omp_single.clauses;
3996 /* Return a pointer to the clauses associated with OMP_SINGLE GS. */
3998 static inline tree *
3999 gimple_omp_single_clauses_ptr (gimple gs)
4001 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4002 return &gs->gimple_omp_single.clauses;
4006 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */
4009 gimple_omp_single_set_clauses (gimple gs, tree clauses)
4011 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4012 gs->gimple_omp_single.clauses = clauses;
4016 /* Return the clauses associated with OMP_SECTIONS GS. */
4019 gimple_omp_sections_clauses (const_gimple gs)
4021 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4022 return gs->gimple_omp_sections.clauses;
4026 /* Return a pointer to the clauses associated with OMP_SECTIONS GS. */
4028 static inline tree *
4029 gimple_omp_sections_clauses_ptr (gimple gs)
4031 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4032 return &gs->gimple_omp_sections.clauses;
4036 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS
4040 gimple_omp_sections_set_clauses (gimple gs, tree clauses)
4042 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4043 gs->gimple_omp_sections.clauses = clauses;
4047 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS
4051 gimple_omp_sections_control (const_gimple gs)
4053 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4054 return gs->gimple_omp_sections.control;
4058 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS
4061 static inline tree *
4062 gimple_omp_sections_control_ptr (gimple gs)
4064 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4065 return &gs->gimple_omp_sections.control;
4069 /* Set CONTROL to be the set of clauses associated with the
4070 GIMPLE_OMP_SECTIONS in GS. */
4073 gimple_omp_sections_set_control (gimple gs, tree control)
4075 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4076 gs->gimple_omp_sections.control = control;
4080 /* Set COND to be the condition code for OMP_FOR GS. */
4083 gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond)
4085 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4086 gcc_assert (TREE_CODE_CLASS (cond) == tcc_comparison);
4087 gcc_assert (i < gs->gimple_omp_for.collapse);
4088 gs->gimple_omp_for.iter[i].cond = cond;
4092 /* Return the condition code associated with OMP_FOR GS. */
4094 static inline enum tree_code
4095 gimple_omp_for_cond (const_gimple gs, size_t i)
4097 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4098 gcc_assert (i < gs->gimple_omp_for.collapse);
4099 return gs->gimple_omp_for.iter[i].cond;
4103 /* Set the value being stored in an atomic store. */
4106 gimple_omp_atomic_store_set_val (gimple g, tree val)
4108 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4109 g->gimple_omp_atomic_store.val = val;
4113 /* Return the value being stored in an atomic store. */
4116 gimple_omp_atomic_store_val (const_gimple g)
4118 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4119 return g->gimple_omp_atomic_store.val;
4123 /* Return a pointer to the value being stored in an atomic store. */
4125 static inline tree *
4126 gimple_omp_atomic_store_val_ptr (gimple g)
4128 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4129 return &g->gimple_omp_atomic_store.val;
4133 /* Set the LHS of an atomic load. */
4136 gimple_omp_atomic_load_set_lhs (gimple g, tree lhs)
4138 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4139 g->gimple_omp_atomic_load.lhs = lhs;
4143 /* Get the LHS of an atomic load. */
4146 gimple_omp_atomic_load_lhs (const_gimple g)
4148 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4149 return g->gimple_omp_atomic_load.lhs;
4153 /* Return a pointer to the LHS of an atomic load. */
4155 static inline tree *
4156 gimple_omp_atomic_load_lhs_ptr (gimple g)
4158 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4159 return &g->gimple_omp_atomic_load.lhs;
4163 /* Set the RHS of an atomic load. */
4166 gimple_omp_atomic_load_set_rhs (gimple g, tree rhs)
4168 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4169 g->gimple_omp_atomic_load.rhs = rhs;
4173 /* Get the RHS of an atomic load. */
4176 gimple_omp_atomic_load_rhs (const_gimple g)
4178 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4179 return g->gimple_omp_atomic_load.rhs;
4183 /* Return a pointer to the RHS of an atomic load. */
4185 static inline tree *
4186 gimple_omp_atomic_load_rhs_ptr (gimple g)
4188 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4189 return &g->gimple_omp_atomic_load.rhs;
4193 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4196 gimple_omp_continue_control_def (const_gimple g)
4198 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4199 return g->gimple_omp_continue.control_def;
4202 /* The same as above, but return the address. */
4204 static inline tree *
4205 gimple_omp_continue_control_def_ptr (gimple g)
4207 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4208 return &g->gimple_omp_continue.control_def;
4211 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4214 gimple_omp_continue_set_control_def (gimple g, tree def)
4216 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4217 g->gimple_omp_continue.control_def = def;
4221 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4224 gimple_omp_continue_control_use (const_gimple g)
4226 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4227 return g->gimple_omp_continue.control_use;
4231 /* The same as above, but return the address. */
4233 static inline tree *
4234 gimple_omp_continue_control_use_ptr (gimple g)
4236 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4237 return &g->gimple_omp_continue.control_use;
4241 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4244 gimple_omp_continue_set_control_use (gimple g, tree use)
4246 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4247 g->gimple_omp_continue.control_use = use;
4251 /* Return a pointer to the return value for GIMPLE_RETURN GS. */
4253 static inline tree *
4254 gimple_return_retval_ptr (const_gimple gs)
4256 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4257 gcc_assert (gimple_num_ops (gs) == 1);
4258 return gimple_op_ptr (gs, 0);
4261 /* Return the return value for GIMPLE_RETURN GS. */
4264 gimple_return_retval (const_gimple gs)
4266 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4267 gcc_assert (gimple_num_ops (gs) == 1);
4268 return gimple_op (gs, 0);
4272 /* Set RETVAL to be the return value for GIMPLE_RETURN GS. */
4275 gimple_return_set_retval (gimple gs, tree retval)
4277 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4278 gcc_assert (gimple_num_ops (gs) == 1);
4279 gcc_assert (retval == NULL_TREE
4280 || TREE_CODE (retval) == RESULT_DECL
4281 || is_gimple_val (retval));
4282 gimple_set_op (gs, 0, retval);
4286 /* Returns true when the gimple statment STMT is any of the OpenMP types. */
4288 #define CASE_GIMPLE_OMP \
4289 case GIMPLE_OMP_PARALLEL: \
4290 case GIMPLE_OMP_TASK: \
4291 case GIMPLE_OMP_FOR: \
4292 case GIMPLE_OMP_SECTIONS: \
4293 case GIMPLE_OMP_SECTIONS_SWITCH: \
4294 case GIMPLE_OMP_SINGLE: \
4295 case GIMPLE_OMP_SECTION: \
4296 case GIMPLE_OMP_MASTER: \
4297 case GIMPLE_OMP_ORDERED: \
4298 case GIMPLE_OMP_CRITICAL: \
4299 case GIMPLE_OMP_RETURN: \
4300 case GIMPLE_OMP_ATOMIC_LOAD: \
4301 case GIMPLE_OMP_ATOMIC_STORE: \
4302 case GIMPLE_OMP_CONTINUE
4305 is_gimple_omp (const_gimple stmt)
4307 switch (gimple_code (stmt))
4317 /* Returns TRUE if statement G is a GIMPLE_NOP. */
4320 gimple_nop_p (const_gimple g)
4322 return gimple_code (g) == GIMPLE_NOP;
4326 /* Return true if GS is a GIMPLE_RESX. */
4329 is_gimple_resx (const_gimple gs)
4331 return gimple_code (gs) == GIMPLE_RESX;
4334 /* Return the predictor of GIMPLE_PREDICT statement GS. */
4336 static inline enum br_predictor
4337 gimple_predict_predictor (gimple gs)
4339 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4340 return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN);
4344 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */
4347 gimple_predict_set_predictor (gimple gs, enum br_predictor predictor)
4349 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4350 gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN)
4351 | (unsigned) predictor;
4355 /* Return the outcome of GIMPLE_PREDICT statement GS. */
4357 static inline enum prediction
4358 gimple_predict_outcome (gimple gs)
4360 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4361 return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN;
4365 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */
4368 gimple_predict_set_outcome (gimple gs, enum prediction outcome)
4370 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4371 if (outcome == TAKEN)
4372 gs->gsbase.subcode |= GF_PREDICT_TAKEN;
4374 gs->gsbase.subcode &= ~GF_PREDICT_TAKEN;
4378 /* Return the type of the main expression computed by STMT. Return
4379 void_type_node if the statement computes nothing. */
4382 gimple_expr_type (const_gimple stmt)
4384 enum gimple_code code = gimple_code (stmt);
4386 if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL)
4389 /* In general we want to pass out a type that can be substituted
4390 for both the RHS and the LHS types if there is a possibly
4391 useless conversion involved. That means returning the
4392 original RHS type as far as we can reconstruct it. */
4393 if (code == GIMPLE_CALL)
4394 type = gimple_call_return_type (stmt);
4396 switch (gimple_assign_rhs_code (stmt))
4398 case POINTER_PLUS_EXPR:
4399 type = TREE_TYPE (gimple_assign_rhs1 (stmt));
4403 /* As fallback use the type of the LHS. */
4404 type = TREE_TYPE (gimple_get_lhs (stmt));
4409 else if (code == GIMPLE_COND)
4410 return boolean_type_node;
4412 return void_type_node;
4416 /* Return a new iterator pointing to GIMPLE_SEQ's first statement. */
4418 static inline gimple_stmt_iterator
4419 gsi_start (gimple_seq seq)
4421 gimple_stmt_iterator i;
4423 i.ptr = gimple_seq_first (seq);
4425 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4431 /* Return a new iterator pointing to the first statement in basic block BB. */
4433 static inline gimple_stmt_iterator
4434 gsi_start_bb (basic_block bb)
4436 gimple_stmt_iterator i;
4440 i.ptr = gimple_seq_first (seq);
4448 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */
4450 static inline gimple_stmt_iterator
4451 gsi_last (gimple_seq seq)
4453 gimple_stmt_iterator i;
4455 i.ptr = gimple_seq_last (seq);
4457 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4463 /* Return a new iterator pointing to the last statement in basic block BB. */
4465 static inline gimple_stmt_iterator
4466 gsi_last_bb (basic_block bb)
4468 gimple_stmt_iterator i;
4472 i.ptr = gimple_seq_last (seq);
4480 /* Return true if I is at the end of its sequence. */
4483 gsi_end_p (gimple_stmt_iterator i)
4485 return i.ptr == NULL;
4489 /* Return true if I is one statement before the end of its sequence. */
4492 gsi_one_before_end_p (gimple_stmt_iterator i)
4494 return i.ptr != NULL && i.ptr->next == NULL;
4498 /* Advance the iterator to the next gimple statement. */
4501 gsi_next (gimple_stmt_iterator *i)
4503 i->ptr = i->ptr->next;
4506 /* Advance the iterator to the previous gimple statement. */
4509 gsi_prev (gimple_stmt_iterator *i)
4511 i->ptr = i->ptr->prev;
4514 /* Return the current stmt. */
4516 static inline gimple
4517 gsi_stmt (gimple_stmt_iterator i)
4522 /* Return a block statement iterator that points to the first non-label
4523 statement in block BB. */
4525 static inline gimple_stmt_iterator
4526 gsi_after_labels (basic_block bb)
4528 gimple_stmt_iterator gsi = gsi_start_bb (bb);
4530 while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL)
4536 /* Advance the iterator to the next non-debug gimple statement. */
4539 gsi_next_nondebug (gimple_stmt_iterator *i)
4545 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4548 /* Advance the iterator to the next non-debug gimple statement. */
4551 gsi_prev_nondebug (gimple_stmt_iterator *i)
4557 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4560 /* Return a new iterator pointing to the first non-debug statement in
4563 static inline gimple_stmt_iterator
4564 gsi_start_nondebug_bb (basic_block bb)
4566 gimple_stmt_iterator i = gsi_start_bb (bb);
4568 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
4569 gsi_next_nondebug (&i);
4574 /* Return a new iterator pointing to the last non-debug statement in
4577 static inline gimple_stmt_iterator
4578 gsi_last_nondebug_bb (basic_block bb)
4580 gimple_stmt_iterator i = gsi_last_bb (bb);
4582 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
4583 gsi_prev_nondebug (&i);
4588 /* Return a pointer to the current stmt.
4590 NOTE: You may want to use gsi_replace on the iterator itself,
4591 as this performs additional bookkeeping that will not be done
4592 if you simply assign through a pointer returned by gsi_stmt_ptr. */
4594 static inline gimple *
4595 gsi_stmt_ptr (gimple_stmt_iterator *i)
4597 return &i->ptr->stmt;
4601 /* Return the basic block associated with this iterator. */
4603 static inline basic_block
4604 gsi_bb (gimple_stmt_iterator i)
4610 /* Return the sequence associated with this iterator. */
4612 static inline gimple_seq
4613 gsi_seq (gimple_stmt_iterator i)
4619 enum gsi_iterator_update
4621 GSI_NEW_STMT, /* Only valid when single statement is added, move
4623 GSI_SAME_STMT, /* Leave the iterator at the same statement. */
4624 GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable
4625 for linking other statements in the same
4629 /* In gimple-iterator.c */
4630 gimple_stmt_iterator gsi_start_phis (basic_block);
4631 gimple_seq gsi_split_seq_after (gimple_stmt_iterator);
4632 gimple_seq gsi_split_seq_before (gimple_stmt_iterator *);
4633 void gsi_replace (gimple_stmt_iterator *, gimple, bool);
4634 void gsi_insert_before (gimple_stmt_iterator *, gimple,
4635 enum gsi_iterator_update);
4636 void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple,
4637 enum gsi_iterator_update);
4638 void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq,
4639 enum gsi_iterator_update);
4640 void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq,
4641 enum gsi_iterator_update);
4642 void gsi_insert_after (gimple_stmt_iterator *, gimple,
4643 enum gsi_iterator_update);
4644 void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple,
4645 enum gsi_iterator_update);
4646 void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq,
4647 enum gsi_iterator_update);
4648 void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq,
4649 enum gsi_iterator_update);
4650 void gsi_remove (gimple_stmt_iterator *, bool);
4651 gimple_stmt_iterator gsi_for_stmt (gimple);
4652 void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *);
4653 void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *);
4654 void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *);
4655 void gsi_insert_on_edge (edge, gimple);
4656 void gsi_insert_seq_on_edge (edge, gimple_seq);
4657 basic_block gsi_insert_on_edge_immediate (edge, gimple);
4658 basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq);
4659 void gsi_commit_one_edge_insert (edge, basic_block *);
4660 void gsi_commit_edge_inserts (void);
4661 gimple gimple_call_copy_skip_args (gimple, bitmap);
4664 /* Convenience routines to walk all statements of a gimple function.
4665 Note that this is useful exclusively before the code is converted
4666 into SSA form. Once the program is in SSA form, the standard
4667 operand interface should be used to analyze/modify statements. */
4668 struct walk_stmt_info
4670 /* Points to the current statement being walked. */
4671 gimple_stmt_iterator gsi;
4673 /* Additional data that the callback functions may want to carry
4674 through the recursion. */
4677 /* Pointer map used to mark visited tree nodes when calling
4678 walk_tree on each operand. If set to NULL, duplicate tree nodes
4679 will be visited more than once. */
4680 struct pointer_set_t *pset;
4682 /* Indicates whether the operand being examined may be replaced
4683 with something that matches is_gimple_val (if true) or something
4684 slightly more complicated (if false). "Something" technically
4685 means the common subset of is_gimple_lvalue and is_gimple_rhs,
4686 but we never try to form anything more complicated than that, so
4687 we don't bother checking.
4689 Also note that CALLBACK should update this flag while walking the
4690 sub-expressions of a statement. For instance, when walking the
4691 statement 'foo (&var)', the flag VAL_ONLY will initially be set
4692 to true, however, when walking &var, the operand of that
4693 ADDR_EXPR does not need to be a GIMPLE value. */
4696 /* True if we are currently walking the LHS of an assignment. */
4699 /* Optional. Set to true by the callback functions if they made any
4703 /* True if we're interested in location information. */
4704 bool want_locations;
4706 /* Operand returned by the callbacks. This is set when calling
4707 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback
4708 returns non-NULL, this field will contain the tree returned by
4709 the last callback. */
4710 tree callback_result;
4713 /* Callback for walk_gimple_stmt. Called for every statement found
4714 during traversal. The first argument points to the statement to
4715 walk. The second argument is a flag that the callback sets to
4716 'true' if it the callback handled all the operands and
4717 sub-statements of the statement (the default value of this flag is
4718 'false'). The third argument is an anonymous pointer to data
4719 to be used by the callback. */
4720 typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *,
4721 struct walk_stmt_info *);
4723 gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn,
4724 struct walk_stmt_info *);
4725 tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn,
4726 struct walk_stmt_info *);
4727 tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *);
4729 #ifdef GATHER_STATISTICS
4730 /* Enum and arrays used for allocation stats. Keep in sync with
4731 gimple.c:gimple_alloc_kind_names. */
4732 enum gimple_alloc_kind
4734 gimple_alloc_kind_assign, /* Assignments. */
4735 gimple_alloc_kind_phi, /* PHI nodes. */
4736 gimple_alloc_kind_cond, /* Conditionals. */
4737 gimple_alloc_kind_seq, /* Sequences. */
4738 gimple_alloc_kind_rest, /* Everything else. */
4739 gimple_alloc_kind_all
4742 extern int gimple_alloc_counts[];
4743 extern int gimple_alloc_sizes[];
4745 /* Return the allocation kind for a given stmt CODE. */
4746 static inline enum gimple_alloc_kind
4747 gimple_alloc_kind (enum gimple_code code)
4752 return gimple_alloc_kind_assign;
4754 return gimple_alloc_kind_phi;
4756 return gimple_alloc_kind_cond;
4758 return gimple_alloc_kind_rest;
4761 #endif /* GATHER_STATISTICS */
4763 extern void dump_gimple_statistics (void);
4765 #endif /* GCC_GIMPLE_H */