1 /* Gimple IR definitions.
3 Copyright 2007, 2008, 2009, 2010 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"
31 #include "hard-reg-set.h"
32 #include "basic-block.h"
33 #include "tree-ssa-operands.h"
34 #include "tree-ssa-alias.h"
37 DEF_VEC_ALLOC_P(gimple,heap);
38 DEF_VEC_ALLOC_P(gimple,gc);
40 typedef gimple *gimple_p;
42 DEF_VEC_ALLOC_P(gimple_p,heap);
44 DEF_VEC_P(gimple_seq);
45 DEF_VEC_ALLOC_P(gimple_seq,gc);
46 DEF_VEC_ALLOC_P(gimple_seq,heap);
48 /* For each block, the PHI nodes that need to be rewritten are stored into
50 typedef VEC(gimple, heap) *gimple_vec;
51 DEF_VEC_P (gimple_vec);
52 DEF_VEC_ALLOC_P (gimple_vec, heap);
55 #define DEFGSCODE(SYM, STRING, STRUCT) SYM,
58 LAST_AND_UNUSED_GIMPLE_CODE
61 extern const char *const gimple_code_name[];
62 extern const unsigned char gimple_rhs_class_table[];
64 /* Error out if a gimple tuple is addressed incorrectly. */
65 #if defined ENABLE_GIMPLE_CHECKING
66 extern void gimple_check_failed (const_gimple, const char *, int, \
67 const char *, enum gimple_code, \
68 enum tree_code) ATTRIBUTE_NORETURN;
70 #define GIMPLE_CHECK(GS, CODE) \
72 const_gimple __gs = (GS); \
73 if (gimple_code (__gs) != (CODE)) \
74 gimple_check_failed (__gs, __FILE__, __LINE__, __FUNCTION__, \
75 (CODE), ERROR_MARK); \
77 #else /* not ENABLE_GIMPLE_CHECKING */
78 #define GIMPLE_CHECK(GS, CODE) (void)0
81 /* Class of GIMPLE expressions suitable for the RHS of assignments. See
82 get_gimple_rhs_class. */
85 GIMPLE_INVALID_RHS, /* The expression cannot be used on the RHS. */
86 GIMPLE_BINARY_RHS, /* The expression is a binary operation. */
87 GIMPLE_UNARY_RHS, /* The expression is a unary operation. */
88 GIMPLE_SINGLE_RHS /* The expression is a single object (an SSA
89 name, a _DECL, a _REF, etc. */
92 /* Specific flags for individual GIMPLE statements. These flags are
93 always stored in gimple_statement_base.subcode and they may only be
94 defined for statement codes that do not use sub-codes.
96 Values for the masks can overlap as long as the overlapping values
97 are never used in the same statement class.
99 The maximum mask value that can be defined is 1 << 15 (i.e., each
100 statement code can hold up to 16 bitflags).
102 Keep this list sorted. */
104 GF_ASM_INPUT = 1 << 0,
105 GF_ASM_VOLATILE = 1 << 1,
106 GF_CALL_CANNOT_INLINE = 1 << 0,
107 GF_CALL_FROM_THUNK = 1 << 1,
108 GF_CALL_RETURN_SLOT_OPT = 1 << 2,
109 GF_CALL_TAILCALL = 1 << 3,
110 GF_CALL_VA_ARG_PACK = 1 << 4,
111 GF_CALL_NOTHROW = 1 << 5,
112 GF_OMP_PARALLEL_COMBINED = 1 << 0,
114 /* True on an GIMPLE_OMP_RETURN statement if the return does not require
115 a thread synchronization via some sort of barrier. The exact barrier
116 that would otherwise be emitted is dependent on the OMP statement with
117 which this return is associated. */
118 GF_OMP_RETURN_NOWAIT = 1 << 0,
120 GF_OMP_SECTION_LAST = 1 << 0,
121 GF_PREDICT_TAKEN = 1 << 15
124 /* Currently, there's only one type of gimple debug stmt. Others are
125 envisioned, for example, to enable the generation of is_stmt notes
126 in line number information, to mark sequence points, etc. This
127 subcode is to be used to tell them apart. */
128 enum gimple_debug_subcode {
129 GIMPLE_DEBUG_BIND = 0
132 /* Masks for selecting a pass local flag (PLF) to work on. These
133 masks are used by gimple_set_plf and gimple_plf. */
139 /* A node in a gimple_seq_d. */
140 struct GTY((chain_next ("%h.next"), chain_prev ("%h.prev"))) gimple_seq_node_d {
142 struct gimple_seq_node_d *prev;
143 struct gimple_seq_node_d *next;
146 /* A double-linked sequence of gimple statements. */
147 struct GTY ((chain_next ("%h.next_free"))) gimple_seq_d {
148 /* First and last statements in the sequence. */
149 gimple_seq_node first;
150 gimple_seq_node last;
152 /* Sequences are created/destroyed frequently. To minimize
153 allocation activity, deallocated sequences are kept in a pool of
154 available sequences. This is the pointer to the next free
155 sequence in the pool. */
156 gimple_seq next_free;
160 /* Return the first node in GIMPLE sequence S. */
162 static inline gimple_seq_node
163 gimple_seq_first (const_gimple_seq s)
165 return s ? s->first : NULL;
169 /* Return the first statement in GIMPLE sequence S. */
172 gimple_seq_first_stmt (const_gimple_seq s)
174 gimple_seq_node n = gimple_seq_first (s);
175 return (n) ? n->stmt : NULL;
179 /* Return the last node in GIMPLE sequence S. */
181 static inline gimple_seq_node
182 gimple_seq_last (const_gimple_seq s)
184 return s ? s->last : NULL;
188 /* Return the last statement in GIMPLE sequence S. */
191 gimple_seq_last_stmt (const_gimple_seq s)
193 gimple_seq_node n = gimple_seq_last (s);
194 return (n) ? n->stmt : NULL;
198 /* Set the last node in GIMPLE sequence S to LAST. */
201 gimple_seq_set_last (gimple_seq s, gimple_seq_node last)
207 /* Set the first node in GIMPLE sequence S to FIRST. */
210 gimple_seq_set_first (gimple_seq s, gimple_seq_node first)
216 /* Return true if GIMPLE sequence S is empty. */
219 gimple_seq_empty_p (const_gimple_seq s)
221 return s == NULL || s->first == NULL;
225 void gimple_seq_add_stmt (gimple_seq *, gimple);
227 /* Link gimple statement GS to the end of the sequence *SEQ_P. If
228 *SEQ_P is NULL, a new sequence is allocated. This function is
229 similar to gimple_seq_add_stmt, but does not scan the operands.
230 During gimplification, we need to manipulate statement sequences
231 before the def/use vectors have been constructed. */
232 void gimplify_seq_add_stmt (gimple_seq *, gimple);
234 /* Allocate a new sequence and initialize its first element with STMT. */
236 static inline gimple_seq
237 gimple_seq_alloc_with_stmt (gimple stmt)
239 gimple_seq seq = NULL;
240 gimple_seq_add_stmt (&seq, stmt);
245 /* Returns the sequence of statements in BB. */
247 static inline gimple_seq
248 bb_seq (const_basic_block bb)
250 return (!(bb->flags & BB_RTL) && bb->il.gimple) ? bb->il.gimple->seq : NULL;
254 /* Sets the sequence of statements in BB to SEQ. */
257 set_bb_seq (basic_block bb, gimple_seq seq)
259 gcc_assert (!(bb->flags & BB_RTL));
260 bb->il.gimple->seq = seq;
263 /* Iterator object for GIMPLE statement sequences. */
267 /* Sequence node holding the current statement. */
270 /* Sequence and basic block holding the statement. These fields
271 are necessary to handle edge cases such as when statement is
272 added to an empty basic block or when the last statement of a
273 block/sequence is removed. */
276 } gimple_stmt_iterator;
279 /* Data structure definitions for GIMPLE tuples. NOTE: word markers
280 are for 64 bit hosts. */
282 struct GTY(()) gimple_statement_base {
284 Main identifying code for a tuple. */
285 ENUM_BITFIELD(gimple_code) code : 8;
287 /* Nonzero if a warning should not be emitted on this tuple. */
288 unsigned int no_warning : 1;
290 /* Nonzero if this tuple has been visited. Passes are responsible
291 for clearing this bit before using it. */
292 unsigned int visited : 1;
294 /* Nonzero if this tuple represents a non-temporal move. */
295 unsigned int nontemporal_move : 1;
297 /* Pass local flags. These flags are free for any pass to use as
298 they see fit. Passes should not assume that these flags contain
299 any useful value when the pass starts. Any initial state that
300 the pass requires should be set on entry to the pass. See
301 gimple_set_plf and gimple_plf for usage. */
302 unsigned int plf : 2;
304 /* Nonzero if this statement has been modified and needs to have its
305 operands rescanned. */
306 unsigned modified : 1;
308 /* Nonzero if this statement contains volatile operands. */
309 unsigned has_volatile_ops : 1;
311 /* Padding to get subcode to 16 bit alignment. */
314 /* The SUBCODE field can be used for tuple-specific flags for tuples
315 that do not require subcodes. Note that SUBCODE should be at
316 least as wide as tree codes, as several tuples store tree codes
318 unsigned int subcode : 16;
320 /* UID of this statement. This is used by passes that want to
321 assign IDs to statements. It must be assigned and used by each
322 pass. By default it should be assumed to contain garbage. */
326 Locus information for debug info. */
329 /* Number of operands in this tuple. */
333 Basic block holding this statement. */
334 struct basic_block_def *bb;
337 Lexical block holding this statement. */
342 /* Base structure for tuples with operands. */
344 struct GTY(()) gimple_statement_with_ops_base
347 struct gimple_statement_base gsbase;
350 SSA operand vectors. NOTE: It should be possible to
351 amalgamate these vectors with the operand vector OP. However,
352 the SSA operand vectors are organized differently and contain
353 more information (like immediate use chaining). */
354 struct def_optype_d GTY((skip (""))) *def_ops;
355 struct use_optype_d GTY((skip (""))) *use_ops;
359 /* Statements that take register operands. */
361 struct GTY(()) gimple_statement_with_ops
364 struct gimple_statement_with_ops_base opbase;
367 Operand vector. NOTE! This must always be the last field
368 of this structure. In particular, this means that this
369 structure cannot be embedded inside another one. */
370 tree GTY((length ("%h.opbase.gsbase.num_ops"))) op[1];
374 /* Base for statements that take both memory and register operands. */
376 struct GTY(()) gimple_statement_with_memory_ops_base
379 struct gimple_statement_with_ops_base opbase;
382 Virtual operands for this statement. The GC will pick them
383 up via the ssa_names array. */
384 tree GTY((skip (""))) vdef;
385 tree GTY((skip (""))) vuse;
389 /* Statements that take both memory and register operands. */
391 struct GTY(()) gimple_statement_with_memory_ops
394 struct gimple_statement_with_memory_ops_base membase;
397 Operand vector. NOTE! This must always be the last field
398 of this structure. In particular, this means that this
399 structure cannot be embedded inside another one. */
400 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
404 /* Call statements that take both memory and register operands. */
406 struct GTY(()) gimple_statement_call
409 struct gimple_statement_with_memory_ops_base membase;
412 struct pt_solution call_used;
413 struct pt_solution call_clobbered;
416 Operand vector. NOTE! This must always be the last field
417 of this structure. In particular, this means that this
418 structure cannot be embedded inside another one. */
419 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
423 /* OpenMP statements (#pragma omp). */
425 struct GTY(()) gimple_statement_omp {
427 struct gimple_statement_base gsbase;
436 struct GTY(()) gimple_statement_bind {
438 struct gimple_statement_base gsbase;
441 Variables declared in this scope. */
445 This is different than the BLOCK field in gimple_statement_base,
446 which is analogous to TREE_BLOCK (i.e., the lexical block holding
447 this statement). This field is the equivalent of BIND_EXPR_BLOCK
448 in tree land (i.e., the lexical scope defined by this bind). See
459 struct GTY(()) gimple_statement_catch {
461 struct gimple_statement_base gsbase;
471 /* GIMPLE_EH_FILTER */
473 struct GTY(()) gimple_statement_eh_filter {
475 struct gimple_statement_base gsbase;
487 /* GIMPLE_EH_MUST_NOT_THROW */
489 struct GTY(()) gimple_statement_eh_mnt {
491 struct gimple_statement_base gsbase;
493 /* [ WORD 5 ] Abort function decl. */
499 struct GTY(()) gimple_statement_phi {
501 struct gimple_statement_base gsbase;
511 struct phi_arg_d GTY ((length ("%h.nargs"))) args[1];
515 /* GIMPLE_RESX, GIMPLE_EH_DISPATCH */
517 struct GTY(()) gimple_statement_eh_ctrl
520 struct gimple_statement_base gsbase;
523 Exception region number. */
530 struct GTY(()) gimple_statement_try {
532 struct gimple_statement_base gsbase;
535 Expression to evaluate. */
539 Cleanup expression. */
543 /* Kind of GIMPLE_TRY statements. */
544 enum gimple_try_flags
547 GIMPLE_TRY_CATCH = 1 << 0,
550 GIMPLE_TRY_FINALLY = 1 << 1,
551 GIMPLE_TRY_KIND = GIMPLE_TRY_CATCH | GIMPLE_TRY_FINALLY,
553 /* Analogous to TRY_CATCH_IS_CLEANUP. */
554 GIMPLE_TRY_CATCH_IS_CLEANUP = 1 << 2
557 /* GIMPLE_WITH_CLEANUP_EXPR */
559 struct GTY(()) gimple_statement_wce {
561 struct gimple_statement_base gsbase;
563 /* Subcode: CLEANUP_EH_ONLY. True if the cleanup should only be
564 executed if an exception is thrown, not on normal exit of its
565 scope. This flag is analogous to the CLEANUP_EH_ONLY flag
569 Cleanup expression. */
576 struct GTY(()) gimple_statement_asm
579 struct gimple_statement_with_memory_ops_base membase;
582 __asm__ statement. */
586 Number of inputs, outputs, clobbers, labels. */
593 Operand vector. NOTE! This must always be the last field
594 of this structure. In particular, this means that this
595 structure cannot be embedded inside another one. */
596 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
599 /* GIMPLE_OMP_CRITICAL */
601 struct GTY(()) gimple_statement_omp_critical {
603 struct gimple_statement_omp omp;
606 Critical section name. */
611 struct GTY(()) gimple_omp_for_iter {
612 /* Condition code. */
615 /* Index variable. */
630 struct GTY(()) gimple_statement_omp_for {
632 struct gimple_statement_omp omp;
638 Number of elements in iter array. */
642 struct gimple_omp_for_iter * GTY((length ("%h.collapse"))) iter;
645 Pre-body evaluated before the loop body begins. */
650 /* GIMPLE_OMP_PARALLEL */
652 struct GTY(()) gimple_statement_omp_parallel {
654 struct gimple_statement_omp omp;
661 Child function holding the body of the parallel region. */
665 Shared data argument. */
670 /* GIMPLE_OMP_TASK */
672 struct GTY(()) gimple_statement_omp_task {
674 struct gimple_statement_omp_parallel par;
677 Child function holding firstprivate initialization if needed. */
681 Size and alignment in bytes of the argument data block. */
687 /* GIMPLE_OMP_SECTION */
688 /* Uses struct gimple_statement_omp. */
691 /* GIMPLE_OMP_SECTIONS */
693 struct GTY(()) gimple_statement_omp_sections {
695 struct gimple_statement_omp omp;
701 The control variable used for deciding which of the sections to
706 /* GIMPLE_OMP_CONTINUE.
708 Note: This does not inherit from gimple_statement_omp, because we
709 do not need the body field. */
711 struct GTY(()) gimple_statement_omp_continue {
713 struct gimple_statement_base gsbase;
722 /* GIMPLE_OMP_SINGLE */
724 struct GTY(()) gimple_statement_omp_single {
726 struct gimple_statement_omp omp;
733 /* GIMPLE_OMP_ATOMIC_LOAD.
734 Note: This is based on gimple_statement_base, not g_s_omp, because g_s_omp
735 contains a sequence, which we don't need here. */
737 struct GTY(()) gimple_statement_omp_atomic_load {
739 struct gimple_statement_base gsbase;
745 /* GIMPLE_OMP_ATOMIC_STORE.
746 See note on GIMPLE_OMP_ATOMIC_LOAD. */
748 struct GTY(()) gimple_statement_omp_atomic_store {
750 struct gimple_statement_base gsbase;
756 #define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) SYM,
757 enum gimple_statement_structure_enum {
758 #include "gsstruct.def"
764 /* Define the overall contents of a gimple tuple. It may be any of the
765 structures declared above for various types of tuples. */
767 union GTY ((desc ("gimple_statement_structure (&%h)"))) gimple_statement_d {
768 struct gimple_statement_base GTY ((tag ("GSS_BASE"))) gsbase;
769 struct gimple_statement_with_ops GTY ((tag ("GSS_WITH_OPS"))) gsops;
770 struct gimple_statement_with_memory_ops_base GTY ((tag ("GSS_WITH_MEM_OPS_BASE"))) gsmembase;
771 struct gimple_statement_with_memory_ops GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem;
772 struct gimple_statement_call GTY ((tag ("GSS_CALL"))) gimple_call;
773 struct gimple_statement_omp GTY ((tag ("GSS_OMP"))) omp;
774 struct gimple_statement_bind GTY ((tag ("GSS_BIND"))) gimple_bind;
775 struct gimple_statement_catch GTY ((tag ("GSS_CATCH"))) gimple_catch;
776 struct gimple_statement_eh_filter GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter;
777 struct gimple_statement_eh_mnt GTY ((tag ("GSS_EH_MNT"))) gimple_eh_mnt;
778 struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi;
779 struct gimple_statement_eh_ctrl GTY ((tag ("GSS_EH_CTRL"))) gimple_eh_ctrl;
780 struct gimple_statement_try GTY ((tag ("GSS_TRY"))) gimple_try;
781 struct gimple_statement_wce GTY ((tag ("GSS_WCE"))) gimple_wce;
782 struct gimple_statement_asm GTY ((tag ("GSS_ASM"))) gimple_asm;
783 struct gimple_statement_omp_critical GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical;
784 struct gimple_statement_omp_for GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for;
785 struct gimple_statement_omp_parallel GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel;
786 struct gimple_statement_omp_task GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task;
787 struct gimple_statement_omp_sections GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections;
788 struct gimple_statement_omp_single GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single;
789 struct gimple_statement_omp_continue GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue;
790 struct gimple_statement_omp_atomic_load GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load;
791 struct gimple_statement_omp_atomic_store GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store;
796 /* Offset in bytes to the location of the operand vector.
797 Zero if there is no operand vector for this tuple structure. */
798 extern size_t const gimple_ops_offset_[];
800 /* Map GIMPLE codes to GSS codes. */
801 extern enum gimple_statement_structure_enum const gss_for_code_[];
803 /* This variable holds the currently expanded gimple statement for purposes
804 of comminucating the profile info to the builtin expanders. */
805 extern gimple currently_expanding_gimple_stmt;
807 gimple gimple_build_return (tree);
809 gimple gimple_build_assign_stat (tree, tree MEM_STAT_DECL);
810 #define gimple_build_assign(l,r) gimple_build_assign_stat (l, r MEM_STAT_INFO)
812 void extract_ops_from_tree (tree, enum tree_code *, tree *, tree *);
814 gimple gimple_build_assign_with_ops_stat (enum tree_code, tree, tree,
816 #define gimple_build_assign_with_ops(c,o1,o2,o3) \
817 gimple_build_assign_with_ops_stat (c, o1, o2, o3 MEM_STAT_INFO)
819 gimple gimple_build_debug_bind_stat (tree, tree, gimple MEM_STAT_DECL);
820 #define gimple_build_debug_bind(var,val,stmt) \
821 gimple_build_debug_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
823 gimple gimple_build_call_vec (tree, VEC(tree, heap) *);
824 gimple gimple_build_call (tree, unsigned, ...);
825 gimple gimple_build_call_from_tree (tree);
826 gimple gimplify_assign (tree, tree, gimple_seq *);
827 gimple gimple_build_cond (enum tree_code, tree, tree, tree, tree);
828 gimple gimple_build_label (tree label);
829 gimple gimple_build_goto (tree dest);
830 gimple gimple_build_nop (void);
831 gimple gimple_build_bind (tree, gimple_seq, tree);
832 gimple gimple_build_asm_vec (const char *, VEC(tree,gc) *, VEC(tree,gc) *,
833 VEC(tree,gc) *, VEC(tree,gc) *);
834 gimple gimple_build_catch (tree, gimple_seq);
835 gimple gimple_build_eh_filter (tree, gimple_seq);
836 gimple gimple_build_eh_must_not_throw (tree);
837 gimple gimple_build_try (gimple_seq, gimple_seq, enum gimple_try_flags);
838 gimple gimple_build_wce (gimple_seq);
839 gimple gimple_build_resx (int);
840 gimple gimple_build_eh_dispatch (int);
841 gimple gimple_build_switch_nlabels (unsigned, tree, tree);
842 gimple gimple_build_switch (unsigned, tree, tree, ...);
843 gimple gimple_build_switch_vec (tree, tree, VEC(tree,heap) *);
844 gimple gimple_build_omp_parallel (gimple_seq, tree, tree, tree);
845 gimple gimple_build_omp_task (gimple_seq, tree, tree, tree, tree, tree, tree);
846 gimple gimple_build_omp_for (gimple_seq, tree, size_t, gimple_seq);
847 gimple gimple_build_omp_critical (gimple_seq, tree);
848 gimple gimple_build_omp_section (gimple_seq);
849 gimple gimple_build_omp_continue (tree, tree);
850 gimple gimple_build_omp_master (gimple_seq);
851 gimple gimple_build_omp_return (bool);
852 gimple gimple_build_omp_ordered (gimple_seq);
853 gimple gimple_build_omp_sections (gimple_seq, tree);
854 gimple gimple_build_omp_sections_switch (void);
855 gimple gimple_build_omp_single (gimple_seq, tree);
856 gimple gimple_build_cdt (tree, tree);
857 gimple gimple_build_omp_atomic_load (tree, tree);
858 gimple gimple_build_omp_atomic_store (tree);
859 gimple gimple_build_predict (enum br_predictor, enum prediction);
860 enum gimple_statement_structure_enum gss_for_assign (enum tree_code);
861 void sort_case_labels (VEC(tree,heap) *);
862 void gimple_set_body (tree, gimple_seq);
863 gimple_seq gimple_body (tree);
864 bool gimple_has_body_p (tree);
865 gimple_seq gimple_seq_alloc (void);
866 void gimple_seq_free (gimple_seq);
867 void gimple_seq_add_seq (gimple_seq *, gimple_seq);
868 gimple_seq gimple_seq_copy (gimple_seq);
869 int gimple_call_flags (const_gimple);
870 void gimple_call_reset_alias_info (gimple);
871 bool gimple_assign_copy_p (gimple);
872 bool gimple_assign_ssa_name_copy_p (gimple);
873 bool gimple_assign_single_p (gimple);
874 bool gimple_assign_unary_nop_p (gimple);
875 void gimple_set_bb (gimple, struct basic_block_def *);
876 void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree);
877 void gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *, enum tree_code,
879 tree gimple_get_lhs (const_gimple);
880 void gimple_set_lhs (gimple, tree);
881 void gimple_replace_lhs (gimple, tree);
882 gimple gimple_copy (gimple);
883 bool is_gimple_operand (const_tree);
884 void gimple_set_modified (gimple, bool);
885 void gimple_cond_get_ops_from_tree (tree, enum tree_code *, tree *, tree *);
886 gimple gimple_build_cond_from_tree (tree, tree, tree);
887 void gimple_cond_set_condition_from_tree (gimple, tree);
888 bool gimple_has_side_effects (const_gimple);
889 bool gimple_rhs_has_side_effects (const_gimple);
890 bool gimple_could_trap_p (gimple);
891 bool gimple_assign_rhs_could_trap_p (gimple);
892 void gimple_regimplify_operands (gimple, gimple_stmt_iterator *);
893 bool empty_body_p (gimple_seq);
894 unsigned get_gimple_rhs_num_ops (enum tree_code);
895 #define gimple_alloc(c, n) gimple_alloc_stat (c, n MEM_STAT_INFO)
896 gimple gimple_alloc_stat (enum gimple_code, unsigned MEM_STAT_DECL);
897 const char *gimple_decl_printable_name (tree, int);
898 tree gimple_fold_obj_type_ref (tree, tree);
899 tree gimple_get_relevant_ref_binfo (tree ref, tree known_binfo);
900 tree gimple_fold_obj_type_ref_known_binfo (HOST_WIDE_INT, tree);
902 /* Returns true iff T is a valid GIMPLE statement. */
903 extern bool is_gimple_stmt (tree);
905 /* Returns true iff TYPE is a valid type for a scalar register variable. */
906 extern bool is_gimple_reg_type (tree);
907 /* Returns true iff T is a scalar register variable. */
908 extern bool is_gimple_reg (tree);
909 /* Returns true iff T is any sort of variable. */
910 extern bool is_gimple_variable (tree);
911 /* Returns true iff T is any sort of symbol. */
912 extern bool is_gimple_id (tree);
913 /* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */
914 extern bool is_gimple_min_lval (tree);
915 /* Returns true iff T is something whose address can be taken. */
916 extern bool is_gimple_addressable (tree);
917 /* Returns true iff T is any valid GIMPLE lvalue. */
918 extern bool is_gimple_lvalue (tree);
920 /* Returns true iff T is a GIMPLE address. */
921 bool is_gimple_address (const_tree);
922 /* Returns true iff T is a GIMPLE invariant address. */
923 bool is_gimple_invariant_address (const_tree);
924 /* Returns true iff T is a GIMPLE invariant address at interprocedural
926 bool is_gimple_ip_invariant_address (const_tree);
927 /* Returns true iff T is a valid GIMPLE constant. */
928 bool is_gimple_constant (const_tree);
929 /* Returns true iff T is a GIMPLE restricted function invariant. */
930 extern bool is_gimple_min_invariant (const_tree);
931 /* Returns true iff T is a GIMPLE restricted interprecodural invariant. */
932 extern bool is_gimple_ip_invariant (const_tree);
933 /* Returns true iff T is a GIMPLE rvalue. */
934 extern bool is_gimple_val (tree);
935 /* Returns true iff T is a GIMPLE asm statement input. */
936 extern bool is_gimple_asm_val (tree);
937 /* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a
938 GIMPLE temporary, a renamed user variable, or something else,
940 extern bool is_gimple_reg_rhs (tree);
941 extern bool is_gimple_mem_rhs (tree);
943 /* Returns true iff T is a valid if-statement condition. */
944 extern bool is_gimple_condexpr (tree);
946 /* Returns true iff T is a type conversion. */
947 extern bool is_gimple_cast (tree);
948 /* Returns true iff T is a variable that does not need to live in memory. */
949 extern bool is_gimple_non_addressable (tree t);
951 /* Returns true iff T is a valid call address expression. */
952 extern bool is_gimple_call_addr (tree);
953 /* If T makes a function call, returns the CALL_EXPR operand. */
954 extern tree get_call_expr_in (tree t);
956 extern void recalculate_side_effects (tree);
957 extern bool gimple_compare_field_offset (tree, tree);
958 extern tree gimple_register_type (tree);
959 extern void print_gimple_types_stats (void);
960 extern void free_gimple_type_tables (void);
961 extern tree gimple_unsigned_type (tree);
962 extern tree gimple_signed_type (tree);
963 extern alias_set_type gimple_get_alias_set (tree);
964 extern void count_uses_and_derefs (tree, gimple, unsigned *, unsigned *,
966 extern bool walk_stmt_load_store_addr_ops (gimple, void *,
967 bool (*)(gimple, tree, void *),
968 bool (*)(gimple, tree, void *),
969 bool (*)(gimple, tree, void *));
970 extern bool walk_stmt_load_store_ops (gimple, void *,
971 bool (*)(gimple, tree, void *),
972 bool (*)(gimple, tree, void *));
973 extern bool gimple_ior_addresses_taken (bitmap, gimple);
976 extern tree create_tmp_var_raw (tree, const char *);
977 extern tree create_tmp_var_name (const char *);
978 extern tree create_tmp_var (tree, const char *);
979 extern tree create_tmp_reg (tree, const char *);
980 extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *);
981 extern tree get_formal_tmp_var (tree, gimple_seq *);
982 extern void declare_vars (tree, gimple, bool);
983 extern void annotate_all_with_location (gimple_seq, location_t);
985 /* Validation of GIMPLE expressions. Note that these predicates only check
986 the basic form of the expression, they don't recurse to make sure that
987 underlying nodes are also of the right form. */
988 typedef bool (*gimple_predicate)(tree);
991 /* FIXME we should deduce this from the predicate. */
993 fb_none = 0, /* Do not generate a temporary. */
995 fb_rvalue = 1, /* Generate an rvalue to hold the result of a
996 gimplified expression. */
998 fb_lvalue = 2, /* Generate an lvalue to hold the result of a
999 gimplified expression. */
1001 fb_mayfail = 4, /* Gimplification may fail. Error issued
1003 fb_either= fb_rvalue | fb_lvalue
1006 typedef int fallback_t;
1008 enum gimplify_status {
1009 GS_ERROR = -2, /* Something Bad Seen. */
1010 GS_UNHANDLED = -1, /* A langhook result for "I dunno". */
1011 GS_OK = 0, /* We did something, maybe more to do. */
1012 GS_ALL_DONE = 1 /* The expression is fully gimplified. */
1017 struct gimplify_ctx *prev_context;
1019 VEC(gimple,heap) *bind_expr_stack;
1021 gimple_seq conditional_cleanups;
1025 VEC(tree,heap) *case_labels;
1026 /* The formal temporary table. Should this be persistent? */
1032 bool allow_rhs_cond_expr;
1035 extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *,
1036 bool (*) (tree), fallback_t);
1037 extern void gimplify_type_sizes (tree, gimple_seq *);
1038 extern void gimplify_one_sizepos (tree *, gimple_seq *);
1039 extern bool gimplify_stmt (tree *, gimple_seq *);
1040 extern gimple gimplify_body (tree *, tree, bool);
1041 extern void push_gimplify_context (struct gimplify_ctx *);
1042 extern void pop_gimplify_context (gimple);
1043 extern void gimplify_and_add (tree, gimple_seq *);
1045 /* Miscellaneous helpers. */
1046 extern void gimple_add_tmp_var (tree);
1047 extern gimple gimple_current_bind_expr (void);
1048 extern VEC(gimple, heap) *gimple_bind_expr_stack (void);
1049 extern tree voidify_wrapper_expr (tree, tree);
1050 extern tree build_and_jump (tree *);
1051 extern tree force_labels_r (tree *, int *, void *);
1052 extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *,
1054 struct gimplify_omp_ctx;
1055 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree);
1056 extern tree gimple_boolify (tree);
1057 extern gimple_predicate rhs_predicate_for (tree);
1058 extern tree canonicalize_cond_expr_cond (tree);
1061 extern tree omp_reduction_init (tree, tree);
1063 /* In tree-nested.c. */
1064 extern void lower_nested_functions (tree);
1065 extern void insert_field_into_struct (tree, tree);
1067 /* In gimplify.c. */
1068 extern void gimplify_function_tree (tree);
1070 /* In cfgexpand.c. */
1071 extern tree gimple_assign_rhs_to_tree (gimple);
1074 extern bool validate_gimple_arglist (const_gimple, ...);
1077 extern bool tree_ssa_useless_type_conversion (tree);
1078 extern tree tree_ssa_strip_useless_type_conversions (tree);
1079 extern bool useless_type_conversion_p (tree, tree);
1080 extern bool types_compatible_p (tree, tree);
1082 /* Return the code for GIMPLE statement G. */
1084 static inline enum gimple_code
1085 gimple_code (const_gimple g)
1087 return g->gsbase.code;
1091 /* Return the GSS code used by a GIMPLE code. */
1093 static inline enum gimple_statement_structure_enum
1094 gss_for_code (enum gimple_code code)
1096 #ifdef ENABLE_CHECKING
1097 gcc_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE);
1099 return gss_for_code_[code];
1103 /* Return which GSS code is used by GS. */
1105 static inline enum gimple_statement_structure_enum
1106 gimple_statement_structure (gimple gs)
1108 return gss_for_code (gimple_code (gs));
1112 /* Return true if statement G has sub-statements. This is only true for
1113 High GIMPLE statements. */
1116 gimple_has_substatements (gimple g)
1118 switch (gimple_code (g))
1122 case GIMPLE_EH_FILTER:
1124 case GIMPLE_OMP_FOR:
1125 case GIMPLE_OMP_MASTER:
1126 case GIMPLE_OMP_ORDERED:
1127 case GIMPLE_OMP_SECTION:
1128 case GIMPLE_OMP_PARALLEL:
1129 case GIMPLE_OMP_TASK:
1130 case GIMPLE_OMP_SECTIONS:
1131 case GIMPLE_OMP_SINGLE:
1132 case GIMPLE_OMP_CRITICAL:
1133 case GIMPLE_WITH_CLEANUP_EXPR:
1142 /* Return the basic block holding statement G. */
1144 static inline struct basic_block_def *
1145 gimple_bb (const_gimple g)
1147 return g->gsbase.bb;
1151 /* Return the lexical scope block holding statement G. */
1154 gimple_block (const_gimple g)
1156 return g->gsbase.block;
1160 /* Set BLOCK to be the lexical scope block holding statement G. */
1163 gimple_set_block (gimple g, tree block)
1165 g->gsbase.block = block;
1169 /* Return location information for statement G. */
1171 static inline location_t
1172 gimple_location (const_gimple g)
1174 return g->gsbase.location;
1177 /* Return pointer to location information for statement G. */
1179 static inline const location_t *
1180 gimple_location_ptr (const_gimple g)
1182 return &g->gsbase.location;
1186 /* Set location information for statement G. */
1189 gimple_set_location (gimple g, location_t location)
1191 g->gsbase.location = location;
1195 /* Return true if G contains location information. */
1198 gimple_has_location (const_gimple g)
1200 return gimple_location (g) != UNKNOWN_LOCATION;
1204 /* Return the file name of the location of STMT. */
1206 static inline const char *
1207 gimple_filename (const_gimple stmt)
1209 return LOCATION_FILE (gimple_location (stmt));
1213 /* Return the line number of the location of STMT. */
1216 gimple_lineno (const_gimple stmt)
1218 return LOCATION_LINE (gimple_location (stmt));
1222 /* Determine whether SEQ is a singleton. */
1225 gimple_seq_singleton_p (gimple_seq seq)
1227 return ((gimple_seq_first (seq) != NULL)
1228 && (gimple_seq_first (seq) == gimple_seq_last (seq)));
1231 /* Return true if no warnings should be emitted for statement STMT. */
1234 gimple_no_warning_p (const_gimple stmt)
1236 return stmt->gsbase.no_warning;
1239 /* Set the no_warning flag of STMT to NO_WARNING. */
1242 gimple_set_no_warning (gimple stmt, bool no_warning)
1244 stmt->gsbase.no_warning = (unsigned) no_warning;
1247 /* Set the visited status on statement STMT to VISITED_P. */
1250 gimple_set_visited (gimple stmt, bool visited_p)
1252 stmt->gsbase.visited = (unsigned) visited_p;
1256 /* Return the visited status for statement STMT. */
1259 gimple_visited_p (gimple stmt)
1261 return stmt->gsbase.visited;
1265 /* Set pass local flag PLF on statement STMT to VAL_P. */
1268 gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p)
1271 stmt->gsbase.plf |= (unsigned int) plf;
1273 stmt->gsbase.plf &= ~((unsigned int) plf);
1277 /* Return the value of pass local flag PLF on statement STMT. */
1279 static inline unsigned int
1280 gimple_plf (gimple stmt, enum plf_mask plf)
1282 return stmt->gsbase.plf & ((unsigned int) plf);
1286 /* Set the UID of statement. */
1289 gimple_set_uid (gimple g, unsigned uid)
1291 g->gsbase.uid = uid;
1295 /* Return the UID of statement. */
1297 static inline unsigned
1298 gimple_uid (const_gimple g)
1300 return g->gsbase.uid;
1304 /* Return true if GIMPLE statement G has register or memory operands. */
1307 gimple_has_ops (const_gimple g)
1309 return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN;
1313 /* Return true if GIMPLE statement G has memory operands. */
1316 gimple_has_mem_ops (const_gimple g)
1318 return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN;
1322 /* Return the set of DEF operands for statement G. */
1324 static inline struct def_optype_d *
1325 gimple_def_ops (const_gimple g)
1327 if (!gimple_has_ops (g))
1329 return g->gsops.opbase.def_ops;
1333 /* Set DEF to be the set of DEF operands for statement G. */
1336 gimple_set_def_ops (gimple g, struct def_optype_d *def)
1338 gcc_assert (gimple_has_ops (g));
1339 g->gsops.opbase.def_ops = def;
1343 /* Return the set of USE operands for statement G. */
1345 static inline struct use_optype_d *
1346 gimple_use_ops (const_gimple g)
1348 if (!gimple_has_ops (g))
1350 return g->gsops.opbase.use_ops;
1354 /* Set USE to be the set of USE operands for statement G. */
1357 gimple_set_use_ops (gimple g, struct use_optype_d *use)
1359 gcc_assert (gimple_has_ops (g));
1360 g->gsops.opbase.use_ops = use;
1364 /* Return the set of VUSE operand for statement G. */
1366 static inline use_operand_p
1367 gimple_vuse_op (const_gimple g)
1369 struct use_optype_d *ops;
1370 if (!gimple_has_mem_ops (g))
1371 return NULL_USE_OPERAND_P;
1372 ops = g->gsops.opbase.use_ops;
1374 && USE_OP_PTR (ops)->use == &g->gsmembase.vuse)
1375 return USE_OP_PTR (ops);
1376 return NULL_USE_OPERAND_P;
1379 /* Return the set of VDEF operand for statement G. */
1381 static inline def_operand_p
1382 gimple_vdef_op (const_gimple g)
1384 struct def_optype_d *ops;
1385 if (!gimple_has_mem_ops (g))
1386 return NULL_DEF_OPERAND_P;
1387 ops = g->gsops.opbase.def_ops;
1389 && DEF_OP_PTR (ops) == &g->gsmembase.vdef)
1390 return DEF_OP_PTR (ops);
1391 return NULL_DEF_OPERAND_P;
1395 /* Return the single VUSE operand of the statement G. */
1398 gimple_vuse (const_gimple g)
1400 if (!gimple_has_mem_ops (g))
1402 return g->gsmembase.vuse;
1405 /* Return the single VDEF operand of the statement G. */
1408 gimple_vdef (const_gimple g)
1410 if (!gimple_has_mem_ops (g))
1412 return g->gsmembase.vdef;
1415 /* Return the single VUSE operand of the statement G. */
1417 static inline tree *
1418 gimple_vuse_ptr (gimple g)
1420 if (!gimple_has_mem_ops (g))
1422 return &g->gsmembase.vuse;
1425 /* Return the single VDEF operand of the statement G. */
1427 static inline tree *
1428 gimple_vdef_ptr (gimple g)
1430 if (!gimple_has_mem_ops (g))
1432 return &g->gsmembase.vdef;
1435 /* Set the single VUSE operand of the statement G. */
1438 gimple_set_vuse (gimple g, tree vuse)
1440 gcc_assert (gimple_has_mem_ops (g));
1441 g->gsmembase.vuse = vuse;
1444 /* Set the single VDEF operand of the statement G. */
1447 gimple_set_vdef (gimple g, tree vdef)
1449 gcc_assert (gimple_has_mem_ops (g));
1450 g->gsmembase.vdef = vdef;
1454 /* Return true if statement G has operands and the modified field has
1458 gimple_modified_p (const_gimple g)
1460 return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false;
1464 /* Return the tree code for the expression computed by STMT. This is
1465 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For
1466 GIMPLE_CALL, return CALL_EXPR as the expression code for
1467 consistency. This is useful when the caller needs to deal with the
1468 three kinds of computation that GIMPLE supports. */
1470 static inline enum tree_code
1471 gimple_expr_code (const_gimple stmt)
1473 enum gimple_code code = gimple_code (stmt);
1474 if (code == GIMPLE_ASSIGN || code == GIMPLE_COND)
1475 return (enum tree_code) stmt->gsbase.subcode;
1476 else if (code == GIMPLE_CALL)
1483 /* Mark statement S as modified, and update it. */
1486 update_stmt (gimple s)
1488 if (gimple_has_ops (s))
1490 gimple_set_modified (s, true);
1491 update_stmt_operands (s);
1495 /* Update statement S if it has been optimized. */
1498 update_stmt_if_modified (gimple s)
1500 if (gimple_modified_p (s))
1501 update_stmt_operands (s);
1504 /* Return true if statement STMT contains volatile operands. */
1507 gimple_has_volatile_ops (const_gimple stmt)
1509 if (gimple_has_mem_ops (stmt))
1510 return stmt->gsbase.has_volatile_ops;
1516 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */
1519 gimple_set_has_volatile_ops (gimple stmt, bool volatilep)
1521 if (gimple_has_mem_ops (stmt))
1522 stmt->gsbase.has_volatile_ops = (unsigned) volatilep;
1526 /* Return true if statement STMT may access memory. */
1529 gimple_references_memory_p (gimple stmt)
1531 return gimple_has_mem_ops (stmt) && gimple_vuse (stmt);
1535 /* Return the subcode for OMP statement S. */
1537 static inline unsigned
1538 gimple_omp_subcode (const_gimple s)
1540 gcc_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD
1541 && gimple_code (s) <= GIMPLE_OMP_SINGLE);
1542 return s->gsbase.subcode;
1545 /* Set the subcode for OMP statement S to SUBCODE. */
1548 gimple_omp_set_subcode (gimple s, unsigned int subcode)
1550 /* We only have 16 bits for the subcode. Assert that we are not
1552 gcc_assert (subcode < (1 << 16));
1553 s->gsbase.subcode = subcode;
1556 /* Set the nowait flag on OMP_RETURN statement S. */
1559 gimple_omp_return_set_nowait (gimple s)
1561 GIMPLE_CHECK (s, GIMPLE_OMP_RETURN);
1562 s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT;
1566 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT
1570 gimple_omp_return_nowait_p (const_gimple g)
1572 GIMPLE_CHECK (g, GIMPLE_OMP_RETURN);
1573 return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0;
1577 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST
1581 gimple_omp_section_last_p (const_gimple g)
1583 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1584 return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0;
1588 /* Set the GF_OMP_SECTION_LAST flag on G. */
1591 gimple_omp_section_set_last (gimple g)
1593 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1594 g->gsbase.subcode |= GF_OMP_SECTION_LAST;
1598 /* Return true if OMP parallel statement G has the
1599 GF_OMP_PARALLEL_COMBINED flag set. */
1602 gimple_omp_parallel_combined_p (const_gimple g)
1604 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1605 return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0;
1609 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean
1610 value of COMBINED_P. */
1613 gimple_omp_parallel_set_combined_p (gimple g, bool combined_p)
1615 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1617 g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED;
1619 g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED;
1623 /* Return the number of operands for statement GS. */
1625 static inline unsigned
1626 gimple_num_ops (const_gimple gs)
1628 return gs->gsbase.num_ops;
1632 /* Set the number of operands for statement GS. */
1635 gimple_set_num_ops (gimple gs, unsigned num_ops)
1637 gs->gsbase.num_ops = num_ops;
1641 /* Return the array of operands for statement GS. */
1643 static inline tree *
1644 gimple_ops (gimple gs)
1648 /* All the tuples have their operand vector at the very bottom
1649 of the structure. Note that those structures that do not
1650 have an operand vector have a zero offset. */
1651 off = gimple_ops_offset_[gimple_statement_structure (gs)];
1652 gcc_assert (off != 0);
1654 return (tree *) ((char *) gs + off);
1658 /* Return operand I for statement GS. */
1661 gimple_op (const_gimple gs, unsigned i)
1663 if (gimple_has_ops (gs))
1665 #ifdef ENABLE_CHECKING
1666 gcc_assert (i < gimple_num_ops (gs));
1668 return gimple_ops (CONST_CAST_GIMPLE (gs))[i];
1674 /* Return a pointer to operand I for statement GS. */
1676 static inline tree *
1677 gimple_op_ptr (const_gimple gs, unsigned i)
1679 if (gimple_has_ops (gs))
1681 #ifdef ENABLE_CHECKING
1682 gcc_assert (i < gimple_num_ops (gs));
1684 return gimple_ops (CONST_CAST_GIMPLE (gs)) + i;
1690 /* Set operand I of statement GS to OP. */
1693 gimple_set_op (gimple gs, unsigned i, tree op)
1695 gcc_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs));
1697 /* Note. It may be tempting to assert that OP matches
1698 is_gimple_operand, but that would be wrong. Different tuples
1699 accept slightly different sets of tree operands. Each caller
1700 should perform its own validation. */
1701 gimple_ops (gs)[i] = op;
1704 /* Return true if GS is a GIMPLE_ASSIGN. */
1707 is_gimple_assign (const_gimple gs)
1709 return gimple_code (gs) == GIMPLE_ASSIGN;
1712 /* Determine if expression CODE is one of the valid expressions that can
1713 be used on the RHS of GIMPLE assignments. */
1715 static inline enum gimple_rhs_class
1716 get_gimple_rhs_class (enum tree_code code)
1718 return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code];
1721 /* Return the LHS of assignment statement GS. */
1724 gimple_assign_lhs (const_gimple gs)
1726 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1727 return gimple_op (gs, 0);
1731 /* Return a pointer to the LHS of assignment statement GS. */
1733 static inline tree *
1734 gimple_assign_lhs_ptr (const_gimple gs)
1736 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1737 return gimple_op_ptr (gs, 0);
1741 /* Set LHS to be the LHS operand of assignment statement GS. */
1744 gimple_assign_set_lhs (gimple gs, tree lhs)
1746 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1747 gimple_set_op (gs, 0, lhs);
1749 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1750 SSA_NAME_DEF_STMT (lhs) = gs;
1754 /* Return the first operand on the RHS of assignment statement GS. */
1757 gimple_assign_rhs1 (const_gimple gs)
1759 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1760 return gimple_op (gs, 1);
1764 /* Return a pointer to the first operand on the RHS of assignment
1767 static inline tree *
1768 gimple_assign_rhs1_ptr (const_gimple gs)
1770 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1771 return gimple_op_ptr (gs, 1);
1774 /* Set RHS to be the first operand on the RHS of assignment statement GS. */
1777 gimple_assign_set_rhs1 (gimple gs, tree rhs)
1779 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1781 gimple_set_op (gs, 1, rhs);
1785 /* Return the second operand on the RHS of assignment statement GS.
1786 If GS does not have two operands, NULL is returned instead. */
1789 gimple_assign_rhs2 (const_gimple gs)
1791 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1793 if (gimple_num_ops (gs) >= 3)
1794 return gimple_op (gs, 2);
1800 /* Return a pointer to the second operand on the RHS of assignment
1803 static inline tree *
1804 gimple_assign_rhs2_ptr (const_gimple gs)
1806 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1807 return gimple_op_ptr (gs, 2);
1811 /* Set RHS to be the second operand on the RHS of assignment statement GS. */
1814 gimple_assign_set_rhs2 (gimple gs, tree rhs)
1816 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1818 gimple_set_op (gs, 2, rhs);
1821 /* Returns true if GS is a nontemporal move. */
1824 gimple_assign_nontemporal_move_p (const_gimple gs)
1826 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1827 return gs->gsbase.nontemporal_move;
1830 /* Sets nontemporal move flag of GS to NONTEMPORAL. */
1833 gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal)
1835 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1836 gs->gsbase.nontemporal_move = nontemporal;
1840 /* Return the code of the expression computed on the rhs of assignment
1841 statement GS. In case that the RHS is a single object, returns the
1842 tree code of the object. */
1844 static inline enum tree_code
1845 gimple_assign_rhs_code (const_gimple gs)
1847 enum tree_code code;
1848 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1850 code = gimple_expr_code (gs);
1851 if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS)
1852 code = TREE_CODE (gimple_assign_rhs1 (gs));
1858 /* Set CODE to be the code for the expression computed on the RHS of
1862 gimple_assign_set_rhs_code (gimple s, enum tree_code code)
1864 GIMPLE_CHECK (s, GIMPLE_ASSIGN);
1865 s->gsbase.subcode = code;
1869 /* Return the gimple rhs class of the code of the expression computed on
1870 the rhs of assignment statement GS.
1871 This will never return GIMPLE_INVALID_RHS. */
1873 static inline enum gimple_rhs_class
1874 gimple_assign_rhs_class (const_gimple gs)
1876 return get_gimple_rhs_class (gimple_assign_rhs_code (gs));
1880 /* Return true if S is a type-cast assignment. */
1883 gimple_assign_cast_p (gimple s)
1885 if (is_gimple_assign (s))
1887 enum tree_code sc = gimple_assign_rhs_code (s);
1888 return CONVERT_EXPR_CODE_P (sc)
1889 || sc == VIEW_CONVERT_EXPR
1890 || sc == FIX_TRUNC_EXPR;
1897 /* Return true if GS is a GIMPLE_CALL. */
1900 is_gimple_call (const_gimple gs)
1902 return gimple_code (gs) == GIMPLE_CALL;
1905 /* Return the LHS of call statement GS. */
1908 gimple_call_lhs (const_gimple gs)
1910 GIMPLE_CHECK (gs, GIMPLE_CALL);
1911 return gimple_op (gs, 0);
1915 /* Return a pointer to the LHS of call statement GS. */
1917 static inline tree *
1918 gimple_call_lhs_ptr (const_gimple gs)
1920 GIMPLE_CHECK (gs, GIMPLE_CALL);
1921 return gimple_op_ptr (gs, 0);
1925 /* Set LHS to be the LHS operand of call statement GS. */
1928 gimple_call_set_lhs (gimple gs, tree lhs)
1930 GIMPLE_CHECK (gs, GIMPLE_CALL);
1931 gimple_set_op (gs, 0, lhs);
1932 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1933 SSA_NAME_DEF_STMT (lhs) = gs;
1937 /* Return the tree node representing the function called by call
1941 gimple_call_fn (const_gimple gs)
1943 GIMPLE_CHECK (gs, GIMPLE_CALL);
1944 return gimple_op (gs, 1);
1948 /* Return a pointer to the tree node representing the function called by call
1951 static inline tree *
1952 gimple_call_fn_ptr (const_gimple gs)
1954 GIMPLE_CHECK (gs, GIMPLE_CALL);
1955 return gimple_op_ptr (gs, 1);
1959 /* Set FN to be the function called by call statement GS. */
1962 gimple_call_set_fn (gimple gs, tree fn)
1964 GIMPLE_CHECK (gs, GIMPLE_CALL);
1965 gimple_set_op (gs, 1, fn);
1969 /* Set FNDECL to be the function called by call statement GS. */
1972 gimple_call_set_fndecl (gimple gs, tree decl)
1974 GIMPLE_CHECK (gs, GIMPLE_CALL);
1975 gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl));
1979 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it.
1980 Otherwise return NULL. This function is analogous to
1981 get_callee_fndecl in tree land. */
1984 gimple_call_fndecl (const_gimple gs)
1986 tree addr = gimple_call_fn (gs);
1987 if (TREE_CODE (addr) == ADDR_EXPR)
1988 return TREE_OPERAND (addr, 0);
1993 /* Return the type returned by call statement GS. */
1996 gimple_call_return_type (const_gimple gs)
1998 tree fn = gimple_call_fn (gs);
1999 tree type = TREE_TYPE (fn);
2001 /* See through the pointer. */
2002 type = TREE_TYPE (type);
2004 /* The type returned by a FUNCTION_DECL is the type of its
2006 return TREE_TYPE (type);
2010 /* Return the static chain for call statement GS. */
2013 gimple_call_chain (const_gimple gs)
2015 GIMPLE_CHECK (gs, GIMPLE_CALL);
2016 return gimple_op (gs, 2);
2020 /* Return a pointer to the static chain for call statement GS. */
2022 static inline tree *
2023 gimple_call_chain_ptr (const_gimple gs)
2025 GIMPLE_CHECK (gs, GIMPLE_CALL);
2026 return gimple_op_ptr (gs, 2);
2029 /* Set CHAIN to be the static chain for call statement GS. */
2032 gimple_call_set_chain (gimple gs, tree chain)
2034 GIMPLE_CHECK (gs, GIMPLE_CALL);
2036 gimple_set_op (gs, 2, chain);
2040 /* Return the number of arguments used by call statement GS. */
2042 static inline unsigned
2043 gimple_call_num_args (const_gimple gs)
2046 GIMPLE_CHECK (gs, GIMPLE_CALL);
2047 num_ops = gimple_num_ops (gs);
2052 /* Return the argument at position INDEX for call statement GS. */
2055 gimple_call_arg (const_gimple gs, unsigned index)
2057 GIMPLE_CHECK (gs, GIMPLE_CALL);
2058 return gimple_op (gs, index + 3);
2062 /* Return a pointer to the argument at position INDEX for call
2065 static inline tree *
2066 gimple_call_arg_ptr (const_gimple gs, unsigned index)
2068 GIMPLE_CHECK (gs, GIMPLE_CALL);
2069 return gimple_op_ptr (gs, index + 3);
2073 /* Set ARG to be the argument at position INDEX for call statement GS. */
2076 gimple_call_set_arg (gimple gs, unsigned index, tree arg)
2078 GIMPLE_CHECK (gs, GIMPLE_CALL);
2079 gimple_set_op (gs, index + 3, arg);
2083 /* If TAIL_P is true, mark call statement S as being a tail call
2084 (i.e., a call just before the exit of a function). These calls are
2085 candidate for tail call optimization. */
2088 gimple_call_set_tail (gimple s, bool tail_p)
2090 GIMPLE_CHECK (s, GIMPLE_CALL);
2092 s->gsbase.subcode |= GF_CALL_TAILCALL;
2094 s->gsbase.subcode &= ~GF_CALL_TAILCALL;
2098 /* Return true if GIMPLE_CALL S is marked as a tail call. */
2101 gimple_call_tail_p (gimple s)
2103 GIMPLE_CHECK (s, GIMPLE_CALL);
2104 return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0;
2108 /* Set the inlinable status of GIMPLE_CALL S to INLINABLE_P. */
2111 gimple_call_set_cannot_inline (gimple s, bool inlinable_p)
2113 GIMPLE_CHECK (s, GIMPLE_CALL);
2115 s->gsbase.subcode |= GF_CALL_CANNOT_INLINE;
2117 s->gsbase.subcode &= ~GF_CALL_CANNOT_INLINE;
2121 /* Return true if GIMPLE_CALL S cannot be inlined. */
2124 gimple_call_cannot_inline_p (gimple s)
2126 GIMPLE_CHECK (s, GIMPLE_CALL);
2127 return (s->gsbase.subcode & GF_CALL_CANNOT_INLINE) != 0;
2131 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return
2132 slot optimization. This transformation uses the target of the call
2133 expansion as the return slot for calls that return in memory. */
2136 gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p)
2138 GIMPLE_CHECK (s, GIMPLE_CALL);
2139 if (return_slot_opt_p)
2140 s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT;
2142 s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT;
2146 /* Return true if S is marked for return slot optimization. */
2149 gimple_call_return_slot_opt_p (gimple s)
2151 GIMPLE_CHECK (s, GIMPLE_CALL);
2152 return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0;
2156 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a
2157 thunk to the thunked-to function. */
2160 gimple_call_set_from_thunk (gimple s, bool from_thunk_p)
2162 GIMPLE_CHECK (s, GIMPLE_CALL);
2164 s->gsbase.subcode |= GF_CALL_FROM_THUNK;
2166 s->gsbase.subcode &= ~GF_CALL_FROM_THUNK;
2170 /* Return true if GIMPLE_CALL S is a jump from a thunk. */
2173 gimple_call_from_thunk_p (gimple s)
2175 GIMPLE_CHECK (s, GIMPLE_CALL);
2176 return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0;
2180 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the
2181 argument pack in its argument list. */
2184 gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p)
2186 GIMPLE_CHECK (s, GIMPLE_CALL);
2187 if (pass_arg_pack_p)
2188 s->gsbase.subcode |= GF_CALL_VA_ARG_PACK;
2190 s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK;
2194 /* Return true if GIMPLE_CALL S is a stdarg call that needs the
2195 argument pack in its argument list. */
2198 gimple_call_va_arg_pack_p (gimple s)
2200 GIMPLE_CHECK (s, GIMPLE_CALL);
2201 return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0;
2205 /* Return true if S is a noreturn call. */
2208 gimple_call_noreturn_p (gimple s)
2210 GIMPLE_CHECK (s, GIMPLE_CALL);
2211 return (gimple_call_flags (s) & ECF_NORETURN) != 0;
2215 /* If NOTHROW_P is true, GIMPLE_CALL S is a call that is known to not throw
2216 even if the called function can throw in other cases. */
2219 gimple_call_set_nothrow (gimple s, bool nothrow_p)
2221 GIMPLE_CHECK (s, GIMPLE_CALL);
2223 s->gsbase.subcode |= GF_CALL_NOTHROW;
2225 s->gsbase.subcode &= ~GF_CALL_NOTHROW;
2228 /* Return true if S is a nothrow call. */
2231 gimple_call_nothrow_p (gimple s)
2233 GIMPLE_CHECK (s, GIMPLE_CALL);
2234 return (gimple_call_flags (s) & ECF_NOTHROW) != 0;
2238 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */
2241 gimple_call_copy_flags (gimple dest_call, gimple orig_call)
2243 GIMPLE_CHECK (dest_call, GIMPLE_CALL);
2244 GIMPLE_CHECK (orig_call, GIMPLE_CALL);
2245 dest_call->gsbase.subcode = orig_call->gsbase.subcode;
2249 /* Return a pointer to the points-to solution for the set of call-used
2250 variables of the call CALL. */
2252 static inline struct pt_solution *
2253 gimple_call_use_set (gimple call)
2255 GIMPLE_CHECK (call, GIMPLE_CALL);
2256 return &call->gimple_call.call_used;
2260 /* Return a pointer to the points-to solution for the set of call-used
2261 variables of the call CALL. */
2263 static inline struct pt_solution *
2264 gimple_call_clobber_set (gimple call)
2266 GIMPLE_CHECK (call, GIMPLE_CALL);
2267 return &call->gimple_call.call_clobbered;
2271 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a
2275 gimple_has_lhs (gimple stmt)
2277 return (is_gimple_assign (stmt)
2278 || (is_gimple_call (stmt)
2279 && gimple_call_lhs (stmt) != NULL_TREE));
2283 /* Return the code of the predicate computed by conditional statement GS. */
2285 static inline enum tree_code
2286 gimple_cond_code (const_gimple gs)
2288 GIMPLE_CHECK (gs, GIMPLE_COND);
2289 return (enum tree_code) gs->gsbase.subcode;
2293 /* Set CODE to be the predicate code for the conditional statement GS. */
2296 gimple_cond_set_code (gimple gs, enum tree_code code)
2298 GIMPLE_CHECK (gs, GIMPLE_COND);
2299 gs->gsbase.subcode = code;
2303 /* Return the LHS of the predicate computed by conditional statement GS. */
2306 gimple_cond_lhs (const_gimple gs)
2308 GIMPLE_CHECK (gs, GIMPLE_COND);
2309 return gimple_op (gs, 0);
2312 /* Return the pointer to the LHS of the predicate computed by conditional
2315 static inline tree *
2316 gimple_cond_lhs_ptr (const_gimple gs)
2318 GIMPLE_CHECK (gs, GIMPLE_COND);
2319 return gimple_op_ptr (gs, 0);
2322 /* Set LHS to be the LHS operand of the predicate computed by
2323 conditional statement GS. */
2326 gimple_cond_set_lhs (gimple gs, tree lhs)
2328 GIMPLE_CHECK (gs, GIMPLE_COND);
2329 gimple_set_op (gs, 0, lhs);
2333 /* Return the RHS operand of the predicate computed by conditional GS. */
2336 gimple_cond_rhs (const_gimple gs)
2338 GIMPLE_CHECK (gs, GIMPLE_COND);
2339 return gimple_op (gs, 1);
2342 /* Return the pointer to the RHS operand of the predicate computed by
2345 static inline tree *
2346 gimple_cond_rhs_ptr (const_gimple gs)
2348 GIMPLE_CHECK (gs, GIMPLE_COND);
2349 return gimple_op_ptr (gs, 1);
2353 /* Set RHS to be the RHS operand of the predicate computed by
2354 conditional statement GS. */
2357 gimple_cond_set_rhs (gimple gs, tree rhs)
2359 GIMPLE_CHECK (gs, GIMPLE_COND);
2360 gimple_set_op (gs, 1, rhs);
2364 /* Return the label used by conditional statement GS when its
2365 predicate evaluates to true. */
2368 gimple_cond_true_label (const_gimple gs)
2370 GIMPLE_CHECK (gs, GIMPLE_COND);
2371 return gimple_op (gs, 2);
2375 /* Set LABEL to be the label used by conditional statement GS when its
2376 predicate evaluates to true. */
2379 gimple_cond_set_true_label (gimple gs, tree label)
2381 GIMPLE_CHECK (gs, GIMPLE_COND);
2382 gimple_set_op (gs, 2, label);
2386 /* Set LABEL to be the label used by conditional statement GS when its
2387 predicate evaluates to false. */
2390 gimple_cond_set_false_label (gimple gs, tree label)
2392 GIMPLE_CHECK (gs, GIMPLE_COND);
2393 gimple_set_op (gs, 3, label);
2397 /* Return the label used by conditional statement GS when its
2398 predicate evaluates to false. */
2401 gimple_cond_false_label (const_gimple gs)
2403 GIMPLE_CHECK (gs, GIMPLE_COND);
2404 return gimple_op (gs, 3);
2408 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */
2411 gimple_cond_make_false (gimple gs)
2413 gimple_cond_set_lhs (gs, boolean_true_node);
2414 gimple_cond_set_rhs (gs, boolean_false_node);
2415 gs->gsbase.subcode = EQ_EXPR;
2419 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */
2422 gimple_cond_make_true (gimple gs)
2424 gimple_cond_set_lhs (gs, boolean_true_node);
2425 gimple_cond_set_rhs (gs, boolean_true_node);
2426 gs->gsbase.subcode = EQ_EXPR;
2429 /* Check if conditional statemente GS is of the form 'if (1 == 1)',
2430 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */
2433 gimple_cond_true_p (const_gimple gs)
2435 tree lhs = gimple_cond_lhs (gs);
2436 tree rhs = gimple_cond_rhs (gs);
2437 enum tree_code code = gimple_cond_code (gs);
2439 if (lhs != boolean_true_node && lhs != boolean_false_node)
2442 if (rhs != boolean_true_node && rhs != boolean_false_node)
2445 if (code == NE_EXPR && lhs != rhs)
2448 if (code == EQ_EXPR && lhs == rhs)
2454 /* Check if conditional statement GS is of the form 'if (1 != 1)',
2455 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */
2458 gimple_cond_false_p (const_gimple gs)
2460 tree lhs = gimple_cond_lhs (gs);
2461 tree rhs = gimple_cond_rhs (gs);
2462 enum tree_code code = gimple_cond_code (gs);
2464 if (lhs != boolean_true_node && lhs != boolean_false_node)
2467 if (rhs != boolean_true_node && rhs != boolean_false_node)
2470 if (code == NE_EXPR && lhs == rhs)
2473 if (code == EQ_EXPR && lhs != rhs)
2479 /* Check if conditional statement GS is of the form 'if (var != 0)' or
2483 gimple_cond_single_var_p (gimple gs)
2485 if (gimple_cond_code (gs) == NE_EXPR
2486 && gimple_cond_rhs (gs) == boolean_false_node)
2489 if (gimple_cond_code (gs) == EQ_EXPR
2490 && gimple_cond_rhs (gs) == boolean_true_node)
2496 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */
2499 gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs)
2501 gimple_cond_set_code (stmt, code);
2502 gimple_cond_set_lhs (stmt, lhs);
2503 gimple_cond_set_rhs (stmt, rhs);
2506 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */
2509 gimple_label_label (const_gimple gs)
2511 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2512 return gimple_op (gs, 0);
2516 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement
2520 gimple_label_set_label (gimple gs, tree label)
2522 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2523 gimple_set_op (gs, 0, label);
2527 /* Return the destination of the unconditional jump GS. */
2530 gimple_goto_dest (const_gimple gs)
2532 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2533 return gimple_op (gs, 0);
2537 /* Set DEST to be the destination of the unconditonal jump GS. */
2540 gimple_goto_set_dest (gimple gs, tree dest)
2542 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2543 gimple_set_op (gs, 0, dest);
2547 /* Return the variables declared in the GIMPLE_BIND statement GS. */
2550 gimple_bind_vars (const_gimple gs)
2552 GIMPLE_CHECK (gs, GIMPLE_BIND);
2553 return gs->gimple_bind.vars;
2557 /* Set VARS to be the set of variables declared in the GIMPLE_BIND
2561 gimple_bind_set_vars (gimple gs, tree vars)
2563 GIMPLE_CHECK (gs, GIMPLE_BIND);
2564 gs->gimple_bind.vars = vars;
2568 /* Append VARS to the set of variables declared in the GIMPLE_BIND
2572 gimple_bind_append_vars (gimple gs, tree vars)
2574 GIMPLE_CHECK (gs, GIMPLE_BIND);
2575 gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars);
2579 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */
2581 static inline gimple_seq
2582 gimple_bind_body (gimple gs)
2584 GIMPLE_CHECK (gs, GIMPLE_BIND);
2585 return gs->gimple_bind.body;
2589 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND
2593 gimple_bind_set_body (gimple gs, gimple_seq seq)
2595 GIMPLE_CHECK (gs, GIMPLE_BIND);
2596 gs->gimple_bind.body = seq;
2600 /* Append a statement to the end of a GIMPLE_BIND's body. */
2603 gimple_bind_add_stmt (gimple gs, gimple stmt)
2605 GIMPLE_CHECK (gs, GIMPLE_BIND);
2606 gimple_seq_add_stmt (&gs->gimple_bind.body, stmt);
2610 /* Append a sequence of statements to the end of a GIMPLE_BIND's body. */
2613 gimple_bind_add_seq (gimple gs, gimple_seq seq)
2615 GIMPLE_CHECK (gs, GIMPLE_BIND);
2616 gimple_seq_add_seq (&gs->gimple_bind.body, seq);
2620 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement
2621 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */
2624 gimple_bind_block (const_gimple gs)
2626 GIMPLE_CHECK (gs, GIMPLE_BIND);
2627 return gs->gimple_bind.block;
2631 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND
2635 gimple_bind_set_block (gimple gs, tree block)
2637 GIMPLE_CHECK (gs, GIMPLE_BIND);
2638 gcc_assert (block == NULL_TREE || TREE_CODE (block) == BLOCK);
2639 gs->gimple_bind.block = block;
2643 /* Return the number of input operands for GIMPLE_ASM GS. */
2645 static inline unsigned
2646 gimple_asm_ninputs (const_gimple gs)
2648 GIMPLE_CHECK (gs, GIMPLE_ASM);
2649 return gs->gimple_asm.ni;
2653 /* Return the number of output operands for GIMPLE_ASM GS. */
2655 static inline unsigned
2656 gimple_asm_noutputs (const_gimple gs)
2658 GIMPLE_CHECK (gs, GIMPLE_ASM);
2659 return gs->gimple_asm.no;
2663 /* Return the number of clobber operands for GIMPLE_ASM GS. */
2665 static inline unsigned
2666 gimple_asm_nclobbers (const_gimple gs)
2668 GIMPLE_CHECK (gs, GIMPLE_ASM);
2669 return gs->gimple_asm.nc;
2672 /* Return the number of label operands for GIMPLE_ASM GS. */
2674 static inline unsigned
2675 gimple_asm_nlabels (const_gimple gs)
2677 GIMPLE_CHECK (gs, GIMPLE_ASM);
2678 return gs->gimple_asm.nl;
2681 /* Return input operand INDEX of GIMPLE_ASM GS. */
2684 gimple_asm_input_op (const_gimple gs, unsigned index)
2686 GIMPLE_CHECK (gs, GIMPLE_ASM);
2687 gcc_assert (index <= gs->gimple_asm.ni);
2688 return gimple_op (gs, index);
2691 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */
2693 static inline tree *
2694 gimple_asm_input_op_ptr (const_gimple gs, unsigned index)
2696 GIMPLE_CHECK (gs, GIMPLE_ASM);
2697 gcc_assert (index <= gs->gimple_asm.ni);
2698 return gimple_op_ptr (gs, index);
2702 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */
2705 gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op)
2707 GIMPLE_CHECK (gs, GIMPLE_ASM);
2708 gcc_assert (index <= gs->gimple_asm.ni);
2709 gcc_assert (TREE_CODE (in_op) == TREE_LIST);
2710 gimple_set_op (gs, index, in_op);
2714 /* Return output operand INDEX of GIMPLE_ASM GS. */
2717 gimple_asm_output_op (const_gimple gs, unsigned index)
2719 GIMPLE_CHECK (gs, GIMPLE_ASM);
2720 gcc_assert (index <= gs->gimple_asm.no);
2721 return gimple_op (gs, index + gs->gimple_asm.ni);
2724 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */
2726 static inline tree *
2727 gimple_asm_output_op_ptr (const_gimple gs, unsigned index)
2729 GIMPLE_CHECK (gs, GIMPLE_ASM);
2730 gcc_assert (index <= gs->gimple_asm.no);
2731 return gimple_op_ptr (gs, index + gs->gimple_asm.ni);
2735 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */
2738 gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op)
2740 GIMPLE_CHECK (gs, GIMPLE_ASM);
2741 gcc_assert (index <= gs->gimple_asm.no);
2742 gcc_assert (TREE_CODE (out_op) == TREE_LIST);
2743 gimple_set_op (gs, index + gs->gimple_asm.ni, out_op);
2747 /* Return clobber operand INDEX of GIMPLE_ASM GS. */
2750 gimple_asm_clobber_op (const_gimple gs, unsigned index)
2752 GIMPLE_CHECK (gs, GIMPLE_ASM);
2753 gcc_assert (index <= gs->gimple_asm.nc);
2754 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no);
2758 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */
2761 gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op)
2763 GIMPLE_CHECK (gs, GIMPLE_ASM);
2764 gcc_assert (index <= gs->gimple_asm.nc);
2765 gcc_assert (TREE_CODE (clobber_op) == TREE_LIST);
2766 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op);
2769 /* Return label operand INDEX of GIMPLE_ASM GS. */
2772 gimple_asm_label_op (const_gimple gs, unsigned index)
2774 GIMPLE_CHECK (gs, GIMPLE_ASM);
2775 gcc_assert (index <= gs->gimple_asm.nl);
2776 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc);
2779 /* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS. */
2782 gimple_asm_set_label_op (gimple gs, unsigned index, tree label_op)
2784 GIMPLE_CHECK (gs, GIMPLE_ASM);
2785 gcc_assert (index <= gs->gimple_asm.nl);
2786 gcc_assert (TREE_CODE (label_op) == TREE_LIST);
2787 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc, label_op);
2790 /* Return the string representing the assembly instruction in
2793 static inline const char *
2794 gimple_asm_string (const_gimple gs)
2796 GIMPLE_CHECK (gs, GIMPLE_ASM);
2797 return gs->gimple_asm.string;
2801 /* Return true if GS is an asm statement marked volatile. */
2804 gimple_asm_volatile_p (const_gimple gs)
2806 GIMPLE_CHECK (gs, GIMPLE_ASM);
2807 return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0;
2811 /* If VOLATLE_P is true, mark asm statement GS as volatile. */
2814 gimple_asm_set_volatile (gimple gs, bool volatile_p)
2816 GIMPLE_CHECK (gs, GIMPLE_ASM);
2818 gs->gsbase.subcode |= GF_ASM_VOLATILE;
2820 gs->gsbase.subcode &= ~GF_ASM_VOLATILE;
2824 /* If INPUT_P is true, mark asm GS as an ASM_INPUT. */
2827 gimple_asm_set_input (gimple gs, bool input_p)
2829 GIMPLE_CHECK (gs, GIMPLE_ASM);
2831 gs->gsbase.subcode |= GF_ASM_INPUT;
2833 gs->gsbase.subcode &= ~GF_ASM_INPUT;
2837 /* Return true if asm GS is an ASM_INPUT. */
2840 gimple_asm_input_p (const_gimple gs)
2842 GIMPLE_CHECK (gs, GIMPLE_ASM);
2843 return (gs->gsbase.subcode & GF_ASM_INPUT) != 0;
2847 /* Return the types handled by GIMPLE_CATCH statement GS. */
2850 gimple_catch_types (const_gimple gs)
2852 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2853 return gs->gimple_catch.types;
2857 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */
2859 static inline tree *
2860 gimple_catch_types_ptr (gimple gs)
2862 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2863 return &gs->gimple_catch.types;
2867 /* Return the GIMPLE sequence representing the body of the handler of
2868 GIMPLE_CATCH statement GS. */
2870 static inline gimple_seq
2871 gimple_catch_handler (gimple gs)
2873 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2874 return gs->gimple_catch.handler;
2878 /* Return a pointer to the GIMPLE sequence representing the body of
2879 the handler of GIMPLE_CATCH statement GS. */
2881 static inline gimple_seq *
2882 gimple_catch_handler_ptr (gimple gs)
2884 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2885 return &gs->gimple_catch.handler;
2889 /* Set T to be the set of types handled by GIMPLE_CATCH GS. */
2892 gimple_catch_set_types (gimple gs, tree t)
2894 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2895 gs->gimple_catch.types = t;
2899 /* Set HANDLER to be the body of GIMPLE_CATCH GS. */
2902 gimple_catch_set_handler (gimple gs, gimple_seq handler)
2904 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2905 gs->gimple_catch.handler = handler;
2909 /* Return the types handled by GIMPLE_EH_FILTER statement GS. */
2912 gimple_eh_filter_types (const_gimple gs)
2914 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2915 return gs->gimple_eh_filter.types;
2919 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement
2922 static inline tree *
2923 gimple_eh_filter_types_ptr (gimple gs)
2925 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2926 return &gs->gimple_eh_filter.types;
2930 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER
2933 static inline gimple_seq
2934 gimple_eh_filter_failure (gimple gs)
2936 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2937 return gs->gimple_eh_filter.failure;
2941 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */
2944 gimple_eh_filter_set_types (gimple gs, tree types)
2946 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2947 gs->gimple_eh_filter.types = types;
2951 /* Set FAILURE to be the sequence of statements to execute on failure
2952 for GIMPLE_EH_FILTER GS. */
2955 gimple_eh_filter_set_failure (gimple gs, gimple_seq failure)
2957 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2958 gs->gimple_eh_filter.failure = failure;
2961 /* Get the function decl to be called by the MUST_NOT_THROW region. */
2964 gimple_eh_must_not_throw_fndecl (gimple gs)
2966 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
2967 return gs->gimple_eh_mnt.fndecl;
2970 /* Set the function decl to be called by GS to DECL. */
2973 gimple_eh_must_not_throw_set_fndecl (gimple gs, tree decl)
2975 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
2976 gs->gimple_eh_mnt.fndecl = decl;
2980 /* GIMPLE_TRY accessors. */
2982 /* Return the kind of try block represented by GIMPLE_TRY GS. This is
2983 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */
2985 static inline enum gimple_try_flags
2986 gimple_try_kind (const_gimple gs)
2988 GIMPLE_CHECK (gs, GIMPLE_TRY);
2989 return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND);
2993 /* Set the kind of try block represented by GIMPLE_TRY GS. */
2996 gimple_try_set_kind (gimple gs, enum gimple_try_flags kind)
2998 GIMPLE_CHECK (gs, GIMPLE_TRY);
2999 gcc_assert (kind == GIMPLE_TRY_CATCH || kind == GIMPLE_TRY_FINALLY);
3000 if (gimple_try_kind (gs) != kind)
3001 gs->gsbase.subcode = (unsigned int) kind;
3005 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3008 gimple_try_catch_is_cleanup (const_gimple gs)
3010 gcc_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH);
3011 return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0;
3015 /* Return the sequence of statements used as the body for GIMPLE_TRY GS. */
3017 static inline gimple_seq
3018 gimple_try_eval (gimple gs)
3020 GIMPLE_CHECK (gs, GIMPLE_TRY);
3021 return gs->gimple_try.eval;
3025 /* Return the sequence of statements used as the cleanup body for
3028 static inline gimple_seq
3029 gimple_try_cleanup (gimple gs)
3031 GIMPLE_CHECK (gs, GIMPLE_TRY);
3032 return gs->gimple_try.cleanup;
3036 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3039 gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup)
3041 gcc_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH);
3042 if (catch_is_cleanup)
3043 g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP;
3045 g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP;
3049 /* Set EVAL to be the sequence of statements to use as the body for
3053 gimple_try_set_eval (gimple gs, gimple_seq eval)
3055 GIMPLE_CHECK (gs, GIMPLE_TRY);
3056 gs->gimple_try.eval = eval;
3060 /* Set CLEANUP to be the sequence of statements to use as the cleanup
3061 body for GIMPLE_TRY GS. */
3064 gimple_try_set_cleanup (gimple gs, gimple_seq cleanup)
3066 GIMPLE_CHECK (gs, GIMPLE_TRY);
3067 gs->gimple_try.cleanup = cleanup;
3071 /* Return the cleanup sequence for cleanup statement GS. */
3073 static inline gimple_seq
3074 gimple_wce_cleanup (gimple gs)
3076 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3077 return gs->gimple_wce.cleanup;
3081 /* Set CLEANUP to be the cleanup sequence for GS. */
3084 gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup)
3086 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3087 gs->gimple_wce.cleanup = cleanup;
3091 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */
3094 gimple_wce_cleanup_eh_only (const_gimple gs)
3096 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3097 return gs->gsbase.subcode != 0;
3101 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */
3104 gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p)
3106 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3107 gs->gsbase.subcode = (unsigned int) eh_only_p;
3111 /* Return the maximum number of arguments supported by GIMPLE_PHI GS. */
3113 static inline unsigned
3114 gimple_phi_capacity (const_gimple gs)
3116 GIMPLE_CHECK (gs, GIMPLE_PHI);
3117 return gs->gimple_phi.capacity;
3121 /* Return the number of arguments in GIMPLE_PHI GS. This must always
3122 be exactly the number of incoming edges for the basic block holding
3125 static inline unsigned
3126 gimple_phi_num_args (const_gimple gs)
3128 GIMPLE_CHECK (gs, GIMPLE_PHI);
3129 return gs->gimple_phi.nargs;
3133 /* Return the SSA name created by GIMPLE_PHI GS. */
3136 gimple_phi_result (const_gimple gs)
3138 GIMPLE_CHECK (gs, GIMPLE_PHI);
3139 return gs->gimple_phi.result;
3142 /* Return a pointer to the SSA name created by GIMPLE_PHI GS. */
3144 static inline tree *
3145 gimple_phi_result_ptr (gimple gs)
3147 GIMPLE_CHECK (gs, GIMPLE_PHI);
3148 return &gs->gimple_phi.result;
3151 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */
3154 gimple_phi_set_result (gimple gs, tree result)
3156 GIMPLE_CHECK (gs, GIMPLE_PHI);
3157 gs->gimple_phi.result = result;
3161 /* Return the PHI argument corresponding to incoming edge INDEX for
3164 static inline struct phi_arg_d *
3165 gimple_phi_arg (gimple gs, unsigned index)
3167 GIMPLE_CHECK (gs, GIMPLE_PHI);
3168 gcc_assert (index <= gs->gimple_phi.capacity);
3169 return &(gs->gimple_phi.args[index]);
3172 /* Set PHIARG to be the argument corresponding to incoming edge INDEX
3173 for GIMPLE_PHI GS. */
3176 gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg)
3178 GIMPLE_CHECK (gs, GIMPLE_PHI);
3179 gcc_assert (index <= gs->gimple_phi.nargs);
3180 memcpy (gs->gimple_phi.args + index, phiarg, sizeof (struct phi_arg_d));
3183 /* Return the region number for GIMPLE_RESX GS. */
3186 gimple_resx_region (const_gimple gs)
3188 GIMPLE_CHECK (gs, GIMPLE_RESX);
3189 return gs->gimple_eh_ctrl.region;
3192 /* Set REGION to be the region number for GIMPLE_RESX GS. */
3195 gimple_resx_set_region (gimple gs, int region)
3197 GIMPLE_CHECK (gs, GIMPLE_RESX);
3198 gs->gimple_eh_ctrl.region = region;
3201 /* Return the region number for GIMPLE_EH_DISPATCH GS. */
3204 gimple_eh_dispatch_region (const_gimple gs)
3206 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3207 return gs->gimple_eh_ctrl.region;
3210 /* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS. */
3213 gimple_eh_dispatch_set_region (gimple gs, int region)
3215 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3216 gs->gimple_eh_ctrl.region = region;
3219 /* Return the number of labels associated with the switch statement GS. */
3221 static inline unsigned
3222 gimple_switch_num_labels (const_gimple gs)
3225 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3226 num_ops = gimple_num_ops (gs);
3227 gcc_assert (num_ops > 1);
3232 /* Set NLABELS to be the number of labels for the switch statement GS. */
3235 gimple_switch_set_num_labels (gimple g, unsigned nlabels)
3237 GIMPLE_CHECK (g, GIMPLE_SWITCH);
3238 gimple_set_num_ops (g, nlabels + 1);
3242 /* Return the index variable used by the switch statement GS. */
3245 gimple_switch_index (const_gimple gs)
3247 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3248 return gimple_op (gs, 0);
3252 /* Return a pointer to the index variable for the switch statement GS. */
3254 static inline tree *
3255 gimple_switch_index_ptr (const_gimple gs)
3257 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3258 return gimple_op_ptr (gs, 0);
3262 /* Set INDEX to be the index variable for switch statement GS. */
3265 gimple_switch_set_index (gimple gs, tree index)
3267 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3268 gcc_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index));
3269 gimple_set_op (gs, 0, index);
3273 /* Return the label numbered INDEX. The default label is 0, followed by any
3274 labels in a switch statement. */
3277 gimple_switch_label (const_gimple gs, unsigned index)
3279 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3280 gcc_assert (gimple_num_ops (gs) > index + 1);
3281 return gimple_op (gs, index + 1);
3284 /* Set the label number INDEX to LABEL. 0 is always the default label. */
3287 gimple_switch_set_label (gimple gs, unsigned index, tree label)
3289 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3290 gcc_assert (gimple_num_ops (gs) > index + 1);
3291 gcc_assert (label == NULL_TREE || TREE_CODE (label) == CASE_LABEL_EXPR);
3292 gimple_set_op (gs, index + 1, label);
3295 /* Return the default label for a switch statement. */
3298 gimple_switch_default_label (const_gimple gs)
3300 return gimple_switch_label (gs, 0);
3303 /* Set the default label for a switch statement. */
3306 gimple_switch_set_default_label (gimple gs, tree label)
3308 gimple_switch_set_label (gs, 0, label);
3311 /* Return true if GS is a GIMPLE_DEBUG statement. */
3314 is_gimple_debug (const_gimple gs)
3316 return gimple_code (gs) == GIMPLE_DEBUG;
3319 /* Return true if S is a GIMPLE_DEBUG BIND statement. */
3322 gimple_debug_bind_p (const_gimple s)
3324 if (is_gimple_debug (s))
3325 return s->gsbase.subcode == GIMPLE_DEBUG_BIND;
3330 /* Return the variable bound in a GIMPLE_DEBUG bind statement. */
3333 gimple_debug_bind_get_var (gimple dbg)
3335 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3336 #ifdef ENABLE_CHECKING
3337 gcc_assert (gimple_debug_bind_p (dbg));
3339 return gimple_op (dbg, 0);
3342 /* Return the value bound to the variable in a GIMPLE_DEBUG bind
3346 gimple_debug_bind_get_value (gimple dbg)
3348 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3349 #ifdef ENABLE_CHECKING
3350 gcc_assert (gimple_debug_bind_p (dbg));
3352 return gimple_op (dbg, 1);
3355 /* Return a pointer to the value bound to the variable in a
3356 GIMPLE_DEBUG bind statement. */
3358 static inline tree *
3359 gimple_debug_bind_get_value_ptr (gimple dbg)
3361 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3362 #ifdef ENABLE_CHECKING
3363 gcc_assert (gimple_debug_bind_p (dbg));
3365 return gimple_op_ptr (dbg, 1);
3368 /* Set the variable bound in a GIMPLE_DEBUG bind statement. */
3371 gimple_debug_bind_set_var (gimple dbg, tree var)
3373 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3374 #ifdef ENABLE_CHECKING
3375 gcc_assert (gimple_debug_bind_p (dbg));
3377 gimple_set_op (dbg, 0, var);
3380 /* Set the value bound to the variable in a GIMPLE_DEBUG bind
3384 gimple_debug_bind_set_value (gimple dbg, tree value)
3386 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3387 #ifdef ENABLE_CHECKING
3388 gcc_assert (gimple_debug_bind_p (dbg));
3390 gimple_set_op (dbg, 1, value);
3393 /* The second operand of a GIMPLE_DEBUG_BIND, when the value was
3395 #define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */
3397 /* Remove the value bound to the variable in a GIMPLE_DEBUG bind
3401 gimple_debug_bind_reset_value (gimple dbg)
3403 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3404 #ifdef ENABLE_CHECKING
3405 gcc_assert (gimple_debug_bind_p (dbg));
3407 gimple_set_op (dbg, 1, GIMPLE_DEBUG_BIND_NOVALUE);
3410 /* Return true if the GIMPLE_DEBUG bind statement is bound to a
3414 gimple_debug_bind_has_value_p (gimple dbg)
3416 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3417 #ifdef ENABLE_CHECKING
3418 gcc_assert (gimple_debug_bind_p (dbg));
3420 return gimple_op (dbg, 1) != GIMPLE_DEBUG_BIND_NOVALUE;
3423 #undef GIMPLE_DEBUG_BIND_NOVALUE
3425 /* Return the body for the OMP statement GS. */
3427 static inline gimple_seq
3428 gimple_omp_body (gimple gs)
3430 return gs->omp.body;
3433 /* Set BODY to be the body for the OMP statement GS. */
3436 gimple_omp_set_body (gimple gs, gimple_seq body)
3438 gs->omp.body = body;
3442 /* Return the name associated with OMP_CRITICAL statement GS. */
3445 gimple_omp_critical_name (const_gimple gs)
3447 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3448 return gs->gimple_omp_critical.name;
3452 /* Return a pointer to the name associated with OMP critical statement GS. */
3454 static inline tree *
3455 gimple_omp_critical_name_ptr (gimple gs)
3457 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3458 return &gs->gimple_omp_critical.name;
3462 /* Set NAME to be the name associated with OMP critical statement GS. */
3465 gimple_omp_critical_set_name (gimple gs, tree name)
3467 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3468 gs->gimple_omp_critical.name = name;
3472 /* Return the clauses associated with OMP_FOR GS. */
3475 gimple_omp_for_clauses (const_gimple gs)
3477 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3478 return gs->gimple_omp_for.clauses;
3482 /* Return a pointer to the OMP_FOR GS. */
3484 static inline tree *
3485 gimple_omp_for_clauses_ptr (gimple gs)
3487 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3488 return &gs->gimple_omp_for.clauses;
3492 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */
3495 gimple_omp_for_set_clauses (gimple gs, tree clauses)
3497 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3498 gs->gimple_omp_for.clauses = clauses;
3502 /* Get the collapse count of OMP_FOR GS. */
3504 static inline size_t
3505 gimple_omp_for_collapse (gimple gs)
3507 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3508 return gs->gimple_omp_for.collapse;
3512 /* Return the index variable for OMP_FOR GS. */
3515 gimple_omp_for_index (const_gimple gs, size_t i)
3517 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3518 gcc_assert (i < gs->gimple_omp_for.collapse);
3519 return gs->gimple_omp_for.iter[i].index;
3523 /* Return a pointer to the index variable for OMP_FOR GS. */
3525 static inline tree *
3526 gimple_omp_for_index_ptr (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].index;
3534 /* Set INDEX to be the index variable for OMP_FOR GS. */
3537 gimple_omp_for_set_index (gimple gs, size_t i, tree index)
3539 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3540 gcc_assert (i < gs->gimple_omp_for.collapse);
3541 gs->gimple_omp_for.iter[i].index = index;
3545 /* Return the initial value for OMP_FOR GS. */
3548 gimple_omp_for_initial (const_gimple gs, size_t i)
3550 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3551 gcc_assert (i < gs->gimple_omp_for.collapse);
3552 return gs->gimple_omp_for.iter[i].initial;
3556 /* Return a pointer to the initial value for OMP_FOR GS. */
3558 static inline tree *
3559 gimple_omp_for_initial_ptr (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].initial;
3567 /* Set INITIAL to be the initial value for OMP_FOR GS. */
3570 gimple_omp_for_set_initial (gimple gs, size_t i, tree initial)
3572 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3573 gcc_assert (i < gs->gimple_omp_for.collapse);
3574 gs->gimple_omp_for.iter[i].initial = initial;
3578 /* Return the final value for OMP_FOR GS. */
3581 gimple_omp_for_final (const_gimple gs, size_t i)
3583 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3584 gcc_assert (i < gs->gimple_omp_for.collapse);
3585 return gs->gimple_omp_for.iter[i].final;
3589 /* Return a pointer to the final value for OMP_FOR GS. */
3591 static inline tree *
3592 gimple_omp_for_final_ptr (gimple gs, size_t i)
3594 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3595 gcc_assert (i < gs->gimple_omp_for.collapse);
3596 return &gs->gimple_omp_for.iter[i].final;
3600 /* Set FINAL to be the final value for OMP_FOR GS. */
3603 gimple_omp_for_set_final (gimple gs, size_t i, tree final)
3605 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3606 gcc_assert (i < gs->gimple_omp_for.collapse);
3607 gs->gimple_omp_for.iter[i].final = final;
3611 /* Return the increment value for OMP_FOR GS. */
3614 gimple_omp_for_incr (const_gimple gs, size_t i)
3616 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3617 gcc_assert (i < gs->gimple_omp_for.collapse);
3618 return gs->gimple_omp_for.iter[i].incr;
3622 /* Return a pointer to the increment value for OMP_FOR GS. */
3624 static inline tree *
3625 gimple_omp_for_incr_ptr (gimple gs, size_t i)
3627 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3628 gcc_assert (i < gs->gimple_omp_for.collapse);
3629 return &gs->gimple_omp_for.iter[i].incr;
3633 /* Set INCR to be the increment value for OMP_FOR GS. */
3636 gimple_omp_for_set_incr (gimple gs, size_t i, tree incr)
3638 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3639 gcc_assert (i < gs->gimple_omp_for.collapse);
3640 gs->gimple_omp_for.iter[i].incr = incr;
3644 /* Return the sequence of statements to execute before the OMP_FOR
3645 statement GS starts. */
3647 static inline gimple_seq
3648 gimple_omp_for_pre_body (gimple gs)
3650 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3651 return gs->gimple_omp_for.pre_body;
3655 /* Set PRE_BODY to be the sequence of statements to execute before the
3656 OMP_FOR statement GS starts. */
3659 gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body)
3661 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3662 gs->gimple_omp_for.pre_body = pre_body;
3666 /* Return the clauses associated with OMP_PARALLEL GS. */
3669 gimple_omp_parallel_clauses (const_gimple gs)
3671 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3672 return gs->gimple_omp_parallel.clauses;
3676 /* Return a pointer to the clauses associated with OMP_PARALLEL GS. */
3678 static inline tree *
3679 gimple_omp_parallel_clauses_ptr (gimple gs)
3681 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3682 return &gs->gimple_omp_parallel.clauses;
3686 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL
3690 gimple_omp_parallel_set_clauses (gimple gs, tree clauses)
3692 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3693 gs->gimple_omp_parallel.clauses = clauses;
3697 /* Return the child function used to hold the body of OMP_PARALLEL GS. */
3700 gimple_omp_parallel_child_fn (const_gimple gs)
3702 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3703 return gs->gimple_omp_parallel.child_fn;
3706 /* Return a pointer to the child function used to hold the body of
3709 static inline tree *
3710 gimple_omp_parallel_child_fn_ptr (gimple gs)
3712 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3713 return &gs->gimple_omp_parallel.child_fn;
3717 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */
3720 gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn)
3722 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3723 gs->gimple_omp_parallel.child_fn = child_fn;
3727 /* Return the artificial argument used to send variables and values
3728 from the parent to the children threads in OMP_PARALLEL GS. */
3731 gimple_omp_parallel_data_arg (const_gimple gs)
3733 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3734 return gs->gimple_omp_parallel.data_arg;
3738 /* Return a pointer to the data argument for OMP_PARALLEL GS. */
3740 static inline tree *
3741 gimple_omp_parallel_data_arg_ptr (gimple gs)
3743 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3744 return &gs->gimple_omp_parallel.data_arg;
3748 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */
3751 gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg)
3753 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3754 gs->gimple_omp_parallel.data_arg = data_arg;
3758 /* Return the clauses associated with OMP_TASK GS. */
3761 gimple_omp_task_clauses (const_gimple gs)
3763 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3764 return gs->gimple_omp_parallel.clauses;
3768 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3770 static inline tree *
3771 gimple_omp_task_clauses_ptr (gimple gs)
3773 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3774 return &gs->gimple_omp_parallel.clauses;
3778 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3782 gimple_omp_task_set_clauses (gimple gs, tree clauses)
3784 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3785 gs->gimple_omp_parallel.clauses = clauses;
3789 /* Return the child function used to hold the body of OMP_TASK GS. */
3792 gimple_omp_task_child_fn (const_gimple gs)
3794 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3795 return gs->gimple_omp_parallel.child_fn;
3798 /* Return a pointer to the child function used to hold the body of
3801 static inline tree *
3802 gimple_omp_task_child_fn_ptr (gimple gs)
3804 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3805 return &gs->gimple_omp_parallel.child_fn;
3809 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3812 gimple_omp_task_set_child_fn (gimple gs, tree child_fn)
3814 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3815 gs->gimple_omp_parallel.child_fn = child_fn;
3819 /* Return the artificial argument used to send variables and values
3820 from the parent to the children threads in OMP_TASK GS. */
3823 gimple_omp_task_data_arg (const_gimple gs)
3825 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3826 return gs->gimple_omp_parallel.data_arg;
3830 /* Return a pointer to the data argument for OMP_TASK GS. */
3832 static inline tree *
3833 gimple_omp_task_data_arg_ptr (gimple gs)
3835 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3836 return &gs->gimple_omp_parallel.data_arg;
3840 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3843 gimple_omp_task_set_data_arg (gimple gs, tree data_arg)
3845 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3846 gs->gimple_omp_parallel.data_arg = data_arg;
3850 /* Return the clauses associated with OMP_TASK GS. */
3853 gimple_omp_taskreg_clauses (const_gimple gs)
3855 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3856 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3857 return gs->gimple_omp_parallel.clauses;
3861 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3863 static inline tree *
3864 gimple_omp_taskreg_clauses_ptr (gimple gs)
3866 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3867 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3868 return &gs->gimple_omp_parallel.clauses;
3872 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3876 gimple_omp_taskreg_set_clauses (gimple gs, tree clauses)
3878 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3879 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3880 gs->gimple_omp_parallel.clauses = clauses;
3884 /* Return the child function used to hold the body of OMP_TASK GS. */
3887 gimple_omp_taskreg_child_fn (const_gimple gs)
3889 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3890 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3891 return gs->gimple_omp_parallel.child_fn;
3894 /* Return a pointer to the child function used to hold the body of
3897 static inline tree *
3898 gimple_omp_taskreg_child_fn_ptr (gimple gs)
3900 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3901 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3902 return &gs->gimple_omp_parallel.child_fn;
3906 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3909 gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn)
3911 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3912 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3913 gs->gimple_omp_parallel.child_fn = child_fn;
3917 /* Return the artificial argument used to send variables and values
3918 from the parent to the children threads in OMP_TASK GS. */
3921 gimple_omp_taskreg_data_arg (const_gimple gs)
3923 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3924 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3925 return gs->gimple_omp_parallel.data_arg;
3929 /* Return a pointer to the data argument for OMP_TASK GS. */
3931 static inline tree *
3932 gimple_omp_taskreg_data_arg_ptr (gimple gs)
3934 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3935 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3936 return &gs->gimple_omp_parallel.data_arg;
3940 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3943 gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg)
3945 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3946 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3947 gs->gimple_omp_parallel.data_arg = data_arg;
3951 /* Return the copy function used to hold the body of OMP_TASK GS. */
3954 gimple_omp_task_copy_fn (const_gimple gs)
3956 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3957 return gs->gimple_omp_task.copy_fn;
3960 /* Return a pointer to the copy function used to hold the body of
3963 static inline tree *
3964 gimple_omp_task_copy_fn_ptr (gimple gs)
3966 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3967 return &gs->gimple_omp_task.copy_fn;
3971 /* Set CHILD_FN to be the copy function for OMP_TASK GS. */
3974 gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn)
3976 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3977 gs->gimple_omp_task.copy_fn = copy_fn;
3981 /* Return size of the data block in bytes in OMP_TASK GS. */
3984 gimple_omp_task_arg_size (const_gimple gs)
3986 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3987 return gs->gimple_omp_task.arg_size;
3991 /* Return a pointer to the data block size for OMP_TASK GS. */
3993 static inline tree *
3994 gimple_omp_task_arg_size_ptr (gimple gs)
3996 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3997 return &gs->gimple_omp_task.arg_size;
4001 /* Set ARG_SIZE to be the data block size for OMP_TASK GS. */
4004 gimple_omp_task_set_arg_size (gimple gs, tree arg_size)
4006 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4007 gs->gimple_omp_task.arg_size = arg_size;
4011 /* Return align of the data block in bytes in OMP_TASK GS. */
4014 gimple_omp_task_arg_align (const_gimple gs)
4016 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4017 return gs->gimple_omp_task.arg_align;
4021 /* Return a pointer to the data block align for OMP_TASK GS. */
4023 static inline tree *
4024 gimple_omp_task_arg_align_ptr (gimple gs)
4026 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4027 return &gs->gimple_omp_task.arg_align;
4031 /* Set ARG_SIZE to be the data block align for OMP_TASK GS. */
4034 gimple_omp_task_set_arg_align (gimple gs, tree arg_align)
4036 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4037 gs->gimple_omp_task.arg_align = arg_align;
4041 /* Return the clauses associated with OMP_SINGLE GS. */
4044 gimple_omp_single_clauses (const_gimple gs)
4046 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4047 return gs->gimple_omp_single.clauses;
4051 /* Return a pointer to the clauses associated with OMP_SINGLE GS. */
4053 static inline tree *
4054 gimple_omp_single_clauses_ptr (gimple gs)
4056 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4057 return &gs->gimple_omp_single.clauses;
4061 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */
4064 gimple_omp_single_set_clauses (gimple gs, tree clauses)
4066 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4067 gs->gimple_omp_single.clauses = clauses;
4071 /* Return the clauses associated with OMP_SECTIONS GS. */
4074 gimple_omp_sections_clauses (const_gimple gs)
4076 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4077 return gs->gimple_omp_sections.clauses;
4081 /* Return a pointer to the clauses associated with OMP_SECTIONS GS. */
4083 static inline tree *
4084 gimple_omp_sections_clauses_ptr (gimple gs)
4086 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4087 return &gs->gimple_omp_sections.clauses;
4091 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS
4095 gimple_omp_sections_set_clauses (gimple gs, tree clauses)
4097 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4098 gs->gimple_omp_sections.clauses = clauses;
4102 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS
4106 gimple_omp_sections_control (const_gimple gs)
4108 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4109 return gs->gimple_omp_sections.control;
4113 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS
4116 static inline tree *
4117 gimple_omp_sections_control_ptr (gimple gs)
4119 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4120 return &gs->gimple_omp_sections.control;
4124 /* Set CONTROL to be the set of clauses associated with the
4125 GIMPLE_OMP_SECTIONS in GS. */
4128 gimple_omp_sections_set_control (gimple gs, tree control)
4130 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4131 gs->gimple_omp_sections.control = control;
4135 /* Set COND to be the condition code for OMP_FOR GS. */
4138 gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond)
4140 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4141 gcc_assert (TREE_CODE_CLASS (cond) == tcc_comparison);
4142 gcc_assert (i < gs->gimple_omp_for.collapse);
4143 gs->gimple_omp_for.iter[i].cond = cond;
4147 /* Return the condition code associated with OMP_FOR GS. */
4149 static inline enum tree_code
4150 gimple_omp_for_cond (const_gimple gs, size_t i)
4152 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4153 gcc_assert (i < gs->gimple_omp_for.collapse);
4154 return gs->gimple_omp_for.iter[i].cond;
4158 /* Set the value being stored in an atomic store. */
4161 gimple_omp_atomic_store_set_val (gimple g, tree val)
4163 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4164 g->gimple_omp_atomic_store.val = val;
4168 /* Return the value being stored in an atomic store. */
4171 gimple_omp_atomic_store_val (const_gimple g)
4173 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4174 return g->gimple_omp_atomic_store.val;
4178 /* Return a pointer to the value being stored in an atomic store. */
4180 static inline tree *
4181 gimple_omp_atomic_store_val_ptr (gimple g)
4183 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4184 return &g->gimple_omp_atomic_store.val;
4188 /* Set the LHS of an atomic load. */
4191 gimple_omp_atomic_load_set_lhs (gimple g, tree lhs)
4193 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4194 g->gimple_omp_atomic_load.lhs = lhs;
4198 /* Get the LHS of an atomic load. */
4201 gimple_omp_atomic_load_lhs (const_gimple g)
4203 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4204 return g->gimple_omp_atomic_load.lhs;
4208 /* Return a pointer to the LHS of an atomic load. */
4210 static inline tree *
4211 gimple_omp_atomic_load_lhs_ptr (gimple g)
4213 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4214 return &g->gimple_omp_atomic_load.lhs;
4218 /* Set the RHS of an atomic load. */
4221 gimple_omp_atomic_load_set_rhs (gimple g, tree rhs)
4223 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4224 g->gimple_omp_atomic_load.rhs = rhs;
4228 /* Get the RHS of an atomic load. */
4231 gimple_omp_atomic_load_rhs (const_gimple g)
4233 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4234 return g->gimple_omp_atomic_load.rhs;
4238 /* Return a pointer to the RHS of an atomic load. */
4240 static inline tree *
4241 gimple_omp_atomic_load_rhs_ptr (gimple g)
4243 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4244 return &g->gimple_omp_atomic_load.rhs;
4248 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4251 gimple_omp_continue_control_def (const_gimple g)
4253 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4254 return g->gimple_omp_continue.control_def;
4257 /* The same as above, but return the address. */
4259 static inline tree *
4260 gimple_omp_continue_control_def_ptr (gimple g)
4262 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4263 return &g->gimple_omp_continue.control_def;
4266 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4269 gimple_omp_continue_set_control_def (gimple g, tree def)
4271 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4272 g->gimple_omp_continue.control_def = def;
4276 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4279 gimple_omp_continue_control_use (const_gimple g)
4281 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4282 return g->gimple_omp_continue.control_use;
4286 /* The same as above, but return the address. */
4288 static inline tree *
4289 gimple_omp_continue_control_use_ptr (gimple g)
4291 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4292 return &g->gimple_omp_continue.control_use;
4296 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4299 gimple_omp_continue_set_control_use (gimple g, tree use)
4301 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4302 g->gimple_omp_continue.control_use = use;
4306 /* Return a pointer to the return value for GIMPLE_RETURN GS. */
4308 static inline tree *
4309 gimple_return_retval_ptr (const_gimple gs)
4311 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4312 return gimple_op_ptr (gs, 0);
4315 /* Return the return value for GIMPLE_RETURN GS. */
4318 gimple_return_retval (const_gimple gs)
4320 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4321 return gimple_op (gs, 0);
4325 /* Set RETVAL to be the return value for GIMPLE_RETURN GS. */
4328 gimple_return_set_retval (gimple gs, tree retval)
4330 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4331 gimple_set_op (gs, 0, retval);
4335 /* Returns true when the gimple statment STMT is any of the OpenMP types. */
4337 #define CASE_GIMPLE_OMP \
4338 case GIMPLE_OMP_PARALLEL: \
4339 case GIMPLE_OMP_TASK: \
4340 case GIMPLE_OMP_FOR: \
4341 case GIMPLE_OMP_SECTIONS: \
4342 case GIMPLE_OMP_SECTIONS_SWITCH: \
4343 case GIMPLE_OMP_SINGLE: \
4344 case GIMPLE_OMP_SECTION: \
4345 case GIMPLE_OMP_MASTER: \
4346 case GIMPLE_OMP_ORDERED: \
4347 case GIMPLE_OMP_CRITICAL: \
4348 case GIMPLE_OMP_RETURN: \
4349 case GIMPLE_OMP_ATOMIC_LOAD: \
4350 case GIMPLE_OMP_ATOMIC_STORE: \
4351 case GIMPLE_OMP_CONTINUE
4354 is_gimple_omp (const_gimple stmt)
4356 switch (gimple_code (stmt))
4366 /* Returns TRUE if statement G is a GIMPLE_NOP. */
4369 gimple_nop_p (const_gimple g)
4371 return gimple_code (g) == GIMPLE_NOP;
4375 /* Return true if GS is a GIMPLE_RESX. */
4378 is_gimple_resx (const_gimple gs)
4380 return gimple_code (gs) == GIMPLE_RESX;
4383 /* Return the predictor of GIMPLE_PREDICT statement GS. */
4385 static inline enum br_predictor
4386 gimple_predict_predictor (gimple gs)
4388 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4389 return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN);
4393 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */
4396 gimple_predict_set_predictor (gimple gs, enum br_predictor predictor)
4398 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4399 gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN)
4400 | (unsigned) predictor;
4404 /* Return the outcome of GIMPLE_PREDICT statement GS. */
4406 static inline enum prediction
4407 gimple_predict_outcome (gimple gs)
4409 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4410 return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN;
4414 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */
4417 gimple_predict_set_outcome (gimple gs, enum prediction outcome)
4419 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4420 if (outcome == TAKEN)
4421 gs->gsbase.subcode |= GF_PREDICT_TAKEN;
4423 gs->gsbase.subcode &= ~GF_PREDICT_TAKEN;
4427 /* Return the type of the main expression computed by STMT. Return
4428 void_type_node if the statement computes nothing. */
4431 gimple_expr_type (const_gimple stmt)
4433 enum gimple_code code = gimple_code (stmt);
4435 if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL)
4438 /* In general we want to pass out a type that can be substituted
4439 for both the RHS and the LHS types if there is a possibly
4440 useless conversion involved. That means returning the
4441 original RHS type as far as we can reconstruct it. */
4442 if (code == GIMPLE_CALL)
4443 type = gimple_call_return_type (stmt);
4445 switch (gimple_assign_rhs_code (stmt))
4447 case POINTER_PLUS_EXPR:
4448 type = TREE_TYPE (gimple_assign_rhs1 (stmt));
4452 /* As fallback use the type of the LHS. */
4453 type = TREE_TYPE (gimple_get_lhs (stmt));
4458 else if (code == GIMPLE_COND)
4459 return boolean_type_node;
4461 return void_type_node;
4465 /* Return a new iterator pointing to GIMPLE_SEQ's first statement. */
4467 static inline gimple_stmt_iterator
4468 gsi_start (gimple_seq seq)
4470 gimple_stmt_iterator i;
4472 i.ptr = gimple_seq_first (seq);
4474 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4480 /* Return a new iterator pointing to the first statement in basic block BB. */
4482 static inline gimple_stmt_iterator
4483 gsi_start_bb (basic_block bb)
4485 gimple_stmt_iterator i;
4489 i.ptr = gimple_seq_first (seq);
4497 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */
4499 static inline gimple_stmt_iterator
4500 gsi_last (gimple_seq seq)
4502 gimple_stmt_iterator i;
4504 i.ptr = gimple_seq_last (seq);
4506 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4512 /* Return a new iterator pointing to the last statement in basic block BB. */
4514 static inline gimple_stmt_iterator
4515 gsi_last_bb (basic_block bb)
4517 gimple_stmt_iterator i;
4521 i.ptr = gimple_seq_last (seq);
4529 /* Return true if I is at the end of its sequence. */
4532 gsi_end_p (gimple_stmt_iterator i)
4534 return i.ptr == NULL;
4538 /* Return true if I is one statement before the end of its sequence. */
4541 gsi_one_before_end_p (gimple_stmt_iterator i)
4543 return i.ptr != NULL && i.ptr->next == NULL;
4547 /* Advance the iterator to the next gimple statement. */
4550 gsi_next (gimple_stmt_iterator *i)
4552 i->ptr = i->ptr->next;
4555 /* Advance the iterator to the previous gimple statement. */
4558 gsi_prev (gimple_stmt_iterator *i)
4560 i->ptr = i->ptr->prev;
4563 /* Return the current stmt. */
4565 static inline gimple
4566 gsi_stmt (gimple_stmt_iterator i)
4571 /* Return a block statement iterator that points to the first non-label
4572 statement in block BB. */
4574 static inline gimple_stmt_iterator
4575 gsi_after_labels (basic_block bb)
4577 gimple_stmt_iterator gsi = gsi_start_bb (bb);
4579 while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL)
4585 /* Advance the iterator to the next non-debug gimple statement. */
4588 gsi_next_nondebug (gimple_stmt_iterator *i)
4594 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4597 /* Advance the iterator to the next non-debug gimple statement. */
4600 gsi_prev_nondebug (gimple_stmt_iterator *i)
4606 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4609 /* Return a new iterator pointing to the first non-debug statement in
4612 static inline gimple_stmt_iterator
4613 gsi_start_nondebug_bb (basic_block bb)
4615 gimple_stmt_iterator i = gsi_start_bb (bb);
4617 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
4618 gsi_next_nondebug (&i);
4623 /* Return a new iterator pointing to the last non-debug statement in
4626 static inline gimple_stmt_iterator
4627 gsi_last_nondebug_bb (basic_block bb)
4629 gimple_stmt_iterator i = gsi_last_bb (bb);
4631 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
4632 gsi_prev_nondebug (&i);
4637 /* Return a pointer to the current stmt.
4639 NOTE: You may want to use gsi_replace on the iterator itself,
4640 as this performs additional bookkeeping that will not be done
4641 if you simply assign through a pointer returned by gsi_stmt_ptr. */
4643 static inline gimple *
4644 gsi_stmt_ptr (gimple_stmt_iterator *i)
4646 return &i->ptr->stmt;
4650 /* Return the basic block associated with this iterator. */
4652 static inline basic_block
4653 gsi_bb (gimple_stmt_iterator i)
4659 /* Return the sequence associated with this iterator. */
4661 static inline gimple_seq
4662 gsi_seq (gimple_stmt_iterator i)
4668 enum gsi_iterator_update
4670 GSI_NEW_STMT, /* Only valid when single statement is added, move
4672 GSI_SAME_STMT, /* Leave the iterator at the same statement. */
4673 GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable
4674 for linking other statements in the same
4678 /* In gimple-iterator.c */
4679 gimple_stmt_iterator gsi_start_phis (basic_block);
4680 gimple_seq gsi_split_seq_after (gimple_stmt_iterator);
4681 gimple_seq gsi_split_seq_before (gimple_stmt_iterator *);
4682 void gsi_replace (gimple_stmt_iterator *, gimple, bool);
4683 void gsi_insert_before (gimple_stmt_iterator *, gimple,
4684 enum gsi_iterator_update);
4685 void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple,
4686 enum gsi_iterator_update);
4687 void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq,
4688 enum gsi_iterator_update);
4689 void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq,
4690 enum gsi_iterator_update);
4691 void gsi_insert_after (gimple_stmt_iterator *, gimple,
4692 enum gsi_iterator_update);
4693 void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple,
4694 enum gsi_iterator_update);
4695 void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq,
4696 enum gsi_iterator_update);
4697 void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq,
4698 enum gsi_iterator_update);
4699 void gsi_remove (gimple_stmt_iterator *, bool);
4700 gimple_stmt_iterator gsi_for_stmt (gimple);
4701 void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *);
4702 void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *);
4703 void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *);
4704 void gsi_insert_on_edge (edge, gimple);
4705 void gsi_insert_seq_on_edge (edge, gimple_seq);
4706 basic_block gsi_insert_on_edge_immediate (edge, gimple);
4707 basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq);
4708 void gsi_commit_one_edge_insert (edge, basic_block *);
4709 void gsi_commit_edge_inserts (void);
4710 gimple gimple_call_copy_skip_args (gimple, bitmap);
4713 /* Convenience routines to walk all statements of a gimple function.
4714 Note that this is useful exclusively before the code is converted
4715 into SSA form. Once the program is in SSA form, the standard
4716 operand interface should be used to analyze/modify statements. */
4717 struct walk_stmt_info
4719 /* Points to the current statement being walked. */
4720 gimple_stmt_iterator gsi;
4722 /* Additional data that the callback functions may want to carry
4723 through the recursion. */
4726 /* Pointer map used to mark visited tree nodes when calling
4727 walk_tree on each operand. If set to NULL, duplicate tree nodes
4728 will be visited more than once. */
4729 struct pointer_set_t *pset;
4731 /* Indicates whether the operand being examined may be replaced
4732 with something that matches is_gimple_val (if true) or something
4733 slightly more complicated (if false). "Something" technically
4734 means the common subset of is_gimple_lvalue and is_gimple_rhs,
4735 but we never try to form anything more complicated than that, so
4736 we don't bother checking.
4738 Also note that CALLBACK should update this flag while walking the
4739 sub-expressions of a statement. For instance, when walking the
4740 statement 'foo (&var)', the flag VAL_ONLY will initially be set
4741 to true, however, when walking &var, the operand of that
4742 ADDR_EXPR does not need to be a GIMPLE value. */
4745 /* True if we are currently walking the LHS of an assignment. */
4748 /* Optional. Set to true by the callback functions if they made any
4752 /* True if we're interested in location information. */
4753 bool want_locations;
4755 /* Operand returned by the callbacks. This is set when calling
4756 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback
4757 returns non-NULL, this field will contain the tree returned by
4758 the last callback. */
4759 tree callback_result;
4762 /* Callback for walk_gimple_stmt. Called for every statement found
4763 during traversal. The first argument points to the statement to
4764 walk. The second argument is a flag that the callback sets to
4765 'true' if it the callback handled all the operands and
4766 sub-statements of the statement (the default value of this flag is
4767 'false'). The third argument is an anonymous pointer to data
4768 to be used by the callback. */
4769 typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *,
4770 struct walk_stmt_info *);
4772 gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn,
4773 struct walk_stmt_info *);
4774 tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn,
4775 struct walk_stmt_info *);
4776 tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *);
4778 #ifdef GATHER_STATISTICS
4779 /* Enum and arrays used for allocation stats. Keep in sync with
4780 gimple.c:gimple_alloc_kind_names. */
4781 enum gimple_alloc_kind
4783 gimple_alloc_kind_assign, /* Assignments. */
4784 gimple_alloc_kind_phi, /* PHI nodes. */
4785 gimple_alloc_kind_cond, /* Conditionals. */
4786 gimple_alloc_kind_seq, /* Sequences. */
4787 gimple_alloc_kind_rest, /* Everything else. */
4788 gimple_alloc_kind_all
4791 extern int gimple_alloc_counts[];
4792 extern int gimple_alloc_sizes[];
4794 /* Return the allocation kind for a given stmt CODE. */
4795 static inline enum gimple_alloc_kind
4796 gimple_alloc_kind (enum gimple_code code)
4801 return gimple_alloc_kind_assign;
4803 return gimple_alloc_kind_phi;
4805 return gimple_alloc_kind_cond;
4807 return gimple_alloc_kind_rest;
4810 #endif /* GATHER_STATISTICS */
4812 extern void dump_gimple_statistics (void);
4814 /* In gimple-fold.c. */
4815 void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree);
4816 tree gimple_fold_builtin (gimple);
4817 bool fold_stmt (gimple_stmt_iterator *);
4818 bool fold_stmt_inplace (gimple);
4819 tree maybe_fold_offset_to_reference (location_t, tree, tree, tree);
4820 tree maybe_fold_offset_to_address (location_t, tree, tree, tree);
4821 tree maybe_fold_stmt_addition (location_t, tree, tree, tree);
4822 tree get_symbol_constant_value (tree);
4823 bool may_propagate_address_into_dereference (tree, tree);
4826 #endif /* GCC_GIMPLE_H */