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"
36 struct gimple_seq_node_d;
37 typedef struct gimple_seq_node_d *gimple_seq_node;
38 typedef const struct gimple_seq_node_d *const_gimple_seq_node;
40 /* For each block, the PHI nodes that need to be rewritten are stored into
42 typedef VEC(gimple, heap) *gimple_vec;
43 DEF_VEC_P (gimple_vec);
44 DEF_VEC_ALLOC_P (gimple_vec, heap);
47 #define DEFGSCODE(SYM, STRING, STRUCT) SYM,
50 LAST_AND_UNUSED_GIMPLE_CODE
53 extern const char *const gimple_code_name[];
54 extern const unsigned char gimple_rhs_class_table[];
56 /* Error out if a gimple tuple is addressed incorrectly. */
57 #if defined ENABLE_GIMPLE_CHECKING
58 #define gcc_gimple_checking_assert(EXPR) gcc_assert (EXPR)
59 extern void gimple_check_failed (const_gimple, const char *, int, \
60 const char *, enum gimple_code, \
61 enum tree_code) ATTRIBUTE_NORETURN;
63 #define GIMPLE_CHECK(GS, CODE) \
65 const_gimple __gs = (GS); \
66 if (gimple_code (__gs) != (CODE)) \
67 gimple_check_failed (__gs, __FILE__, __LINE__, __FUNCTION__, \
68 (CODE), ERROR_MARK); \
70 #else /* not ENABLE_GIMPLE_CHECKING */
71 #define gcc_gimple_checking_assert(EXPR) ((void)(0 && (EXPR)))
72 #define GIMPLE_CHECK(GS, CODE) (void)0
75 /* Class of GIMPLE expressions suitable for the RHS of assignments. See
76 get_gimple_rhs_class. */
79 GIMPLE_INVALID_RHS, /* The expression cannot be used on the RHS. */
80 GIMPLE_BINARY_RHS, /* The expression is a binary operation. */
81 GIMPLE_UNARY_RHS, /* The expression is a unary operation. */
82 GIMPLE_SINGLE_RHS /* The expression is a single object (an SSA
83 name, a _DECL, a _REF, etc. */
86 /* Specific flags for individual GIMPLE statements. These flags are
87 always stored in gimple_statement_base.subcode and they may only be
88 defined for statement codes that do not use sub-codes.
90 Values for the masks can overlap as long as the overlapping values
91 are never used in the same statement class.
93 The maximum mask value that can be defined is 1 << 15 (i.e., each
94 statement code can hold up to 16 bitflags).
96 Keep this list sorted. */
98 GF_ASM_INPUT = 1 << 0,
99 GF_ASM_VOLATILE = 1 << 1,
100 GF_CALL_CANNOT_INLINE = 1 << 0,
101 GF_CALL_FROM_THUNK = 1 << 1,
102 GF_CALL_RETURN_SLOT_OPT = 1 << 2,
103 GF_CALL_TAILCALL = 1 << 3,
104 GF_CALL_VA_ARG_PACK = 1 << 4,
105 GF_CALL_NOTHROW = 1 << 5,
106 GF_OMP_PARALLEL_COMBINED = 1 << 0,
108 /* True on an GIMPLE_OMP_RETURN statement if the return does not require
109 a thread synchronization via some sort of barrier. The exact barrier
110 that would otherwise be emitted is dependent on the OMP statement with
111 which this return is associated. */
112 GF_OMP_RETURN_NOWAIT = 1 << 0,
114 GF_OMP_SECTION_LAST = 1 << 0,
115 GF_PREDICT_TAKEN = 1 << 15
118 /* Currently, there's only one type of gimple debug stmt. Others are
119 envisioned, for example, to enable the generation of is_stmt notes
120 in line number information, to mark sequence points, etc. This
121 subcode is to be used to tell them apart. */
122 enum gimple_debug_subcode {
123 GIMPLE_DEBUG_BIND = 0
126 /* Masks for selecting a pass local flag (PLF) to work on. These
127 masks are used by gimple_set_plf and gimple_plf. */
133 /* A node in a gimple_seq_d. */
134 struct GTY((chain_next ("%h.next"), chain_prev ("%h.prev"))) gimple_seq_node_d {
136 struct gimple_seq_node_d *prev;
137 struct gimple_seq_node_d *next;
140 /* A double-linked sequence of gimple statements. */
141 struct GTY ((chain_next ("%h.next_free"))) gimple_seq_d {
142 /* First and last statements in the sequence. */
143 gimple_seq_node first;
144 gimple_seq_node last;
146 /* Sequences are created/destroyed frequently. To minimize
147 allocation activity, deallocated sequences are kept in a pool of
148 available sequences. This is the pointer to the next free
149 sequence in the pool. */
150 gimple_seq next_free;
154 /* Return the first node in GIMPLE sequence S. */
156 static inline gimple_seq_node
157 gimple_seq_first (const_gimple_seq s)
159 return s ? s->first : NULL;
163 /* Return the first statement in GIMPLE sequence S. */
166 gimple_seq_first_stmt (const_gimple_seq s)
168 gimple_seq_node n = gimple_seq_first (s);
169 return (n) ? n->stmt : NULL;
173 /* Return the last node in GIMPLE sequence S. */
175 static inline gimple_seq_node
176 gimple_seq_last (const_gimple_seq s)
178 return s ? s->last : NULL;
182 /* Return the last statement in GIMPLE sequence S. */
185 gimple_seq_last_stmt (const_gimple_seq s)
187 gimple_seq_node n = gimple_seq_last (s);
188 return (n) ? n->stmt : NULL;
192 /* Set the last node in GIMPLE sequence S to LAST. */
195 gimple_seq_set_last (gimple_seq s, gimple_seq_node last)
201 /* Set the first node in GIMPLE sequence S to FIRST. */
204 gimple_seq_set_first (gimple_seq s, gimple_seq_node first)
210 /* Return true if GIMPLE sequence S is empty. */
213 gimple_seq_empty_p (const_gimple_seq s)
215 return s == NULL || s->first == NULL;
219 void gimple_seq_add_stmt (gimple_seq *, gimple);
221 /* Link gimple statement GS to the end of the sequence *SEQ_P. If
222 *SEQ_P is NULL, a new sequence is allocated. This function is
223 similar to gimple_seq_add_stmt, but does not scan the operands.
224 During gimplification, we need to manipulate statement sequences
225 before the def/use vectors have been constructed. */
226 void gimplify_seq_add_stmt (gimple_seq *, gimple);
228 /* Allocate a new sequence and initialize its first element with STMT. */
230 static inline gimple_seq
231 gimple_seq_alloc_with_stmt (gimple stmt)
233 gimple_seq seq = NULL;
234 gimple_seq_add_stmt (&seq, stmt);
239 /* Returns the sequence of statements in BB. */
241 static inline gimple_seq
242 bb_seq (const_basic_block bb)
244 return (!(bb->flags & BB_RTL) && bb->il.gimple) ? bb->il.gimple->seq : NULL;
248 /* Sets the sequence of statements in BB to SEQ. */
251 set_bb_seq (basic_block bb, gimple_seq seq)
253 gcc_checking_assert (!(bb->flags & BB_RTL));
254 bb->il.gimple->seq = seq;
257 /* Iterator object for GIMPLE statement sequences. */
261 /* Sequence node holding the current statement. */
264 /* Sequence and basic block holding the statement. These fields
265 are necessary to handle edge cases such as when statement is
266 added to an empty basic block or when the last statement of a
267 block/sequence is removed. */
270 } gimple_stmt_iterator;
273 /* Data structure definitions for GIMPLE tuples. NOTE: word markers
274 are for 64 bit hosts. */
276 struct GTY(()) gimple_statement_base {
278 Main identifying code for a tuple. */
279 ENUM_BITFIELD(gimple_code) code : 8;
281 /* Nonzero if a warning should not be emitted on this tuple. */
282 unsigned int no_warning : 1;
284 /* Nonzero if this tuple has been visited. Passes are responsible
285 for clearing this bit before using it. */
286 unsigned int visited : 1;
288 /* Nonzero if this tuple represents a non-temporal move. */
289 unsigned int nontemporal_move : 1;
291 /* Pass local flags. These flags are free for any pass to use as
292 they see fit. Passes should not assume that these flags contain
293 any useful value when the pass starts. Any initial state that
294 the pass requires should be set on entry to the pass. See
295 gimple_set_plf and gimple_plf for usage. */
296 unsigned int plf : 2;
298 /* Nonzero if this statement has been modified and needs to have its
299 operands rescanned. */
300 unsigned modified : 1;
302 /* Nonzero if this statement contains volatile operands. */
303 unsigned has_volatile_ops : 1;
305 /* Padding to get subcode to 16 bit alignment. */
308 /* The SUBCODE field can be used for tuple-specific flags for tuples
309 that do not require subcodes. Note that SUBCODE should be at
310 least as wide as tree codes, as several tuples store tree codes
312 unsigned int subcode : 16;
314 /* UID of this statement. This is used by passes that want to
315 assign IDs to statements. It must be assigned and used by each
316 pass. By default it should be assumed to contain garbage. */
320 Locus information for debug info. */
323 /* Number of operands in this tuple. */
327 Basic block holding this statement. */
328 struct basic_block_def *bb;
331 Lexical block holding this statement. */
336 /* Base structure for tuples with operands. */
338 struct GTY(()) gimple_statement_with_ops_base
341 struct gimple_statement_base gsbase;
344 SSA operand vectors. NOTE: It should be possible to
345 amalgamate these vectors with the operand vector OP. However,
346 the SSA operand vectors are organized differently and contain
347 more information (like immediate use chaining). */
348 struct def_optype_d GTY((skip (""))) *def_ops;
349 struct use_optype_d GTY((skip (""))) *use_ops;
353 /* Statements that take register operands. */
355 struct GTY(()) gimple_statement_with_ops
358 struct gimple_statement_with_ops_base opbase;
361 Operand vector. NOTE! This must always be the last field
362 of this structure. In particular, this means that this
363 structure cannot be embedded inside another one. */
364 tree GTY((length ("%h.opbase.gsbase.num_ops"))) op[1];
368 /* Base for statements that take both memory and register operands. */
370 struct GTY(()) gimple_statement_with_memory_ops_base
373 struct gimple_statement_with_ops_base opbase;
376 Virtual operands for this statement. The GC will pick them
377 up via the ssa_names array. */
378 tree GTY((skip (""))) vdef;
379 tree GTY((skip (""))) vuse;
383 /* Statements that take both memory and register operands. */
385 struct GTY(()) gimple_statement_with_memory_ops
388 struct gimple_statement_with_memory_ops_base membase;
391 Operand vector. NOTE! This must always be the last field
392 of this structure. In particular, this means that this
393 structure cannot be embedded inside another one. */
394 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
398 /* Call statements that take both memory and register operands. */
400 struct GTY(()) gimple_statement_call
403 struct gimple_statement_with_memory_ops_base membase;
406 struct pt_solution call_used;
407 struct pt_solution call_clobbered;
410 Operand vector. NOTE! This must always be the last field
411 of this structure. In particular, this means that this
412 structure cannot be embedded inside another one. */
413 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
417 /* OpenMP statements (#pragma omp). */
419 struct GTY(()) gimple_statement_omp {
421 struct gimple_statement_base gsbase;
430 struct GTY(()) gimple_statement_bind {
432 struct gimple_statement_base gsbase;
435 Variables declared in this scope. */
439 This is different than the BLOCK field in gimple_statement_base,
440 which is analogous to TREE_BLOCK (i.e., the lexical block holding
441 this statement). This field is the equivalent of BIND_EXPR_BLOCK
442 in tree land (i.e., the lexical scope defined by this bind). See
453 struct GTY(()) gimple_statement_catch {
455 struct gimple_statement_base gsbase;
465 /* GIMPLE_EH_FILTER */
467 struct GTY(()) gimple_statement_eh_filter {
469 struct gimple_statement_base gsbase;
481 /* GIMPLE_EH_MUST_NOT_THROW */
483 struct GTY(()) gimple_statement_eh_mnt {
485 struct gimple_statement_base gsbase;
487 /* [ WORD 5 ] Abort function decl. */
493 struct GTY(()) gimple_statement_phi {
495 struct gimple_statement_base gsbase;
505 struct phi_arg_d GTY ((length ("%h.nargs"))) args[1];
509 /* GIMPLE_RESX, GIMPLE_EH_DISPATCH */
511 struct GTY(()) gimple_statement_eh_ctrl
514 struct gimple_statement_base gsbase;
517 Exception region number. */
524 struct GTY(()) gimple_statement_try {
526 struct gimple_statement_base gsbase;
529 Expression to evaluate. */
533 Cleanup expression. */
537 /* Kind of GIMPLE_TRY statements. */
538 enum gimple_try_flags
541 GIMPLE_TRY_CATCH = 1 << 0,
544 GIMPLE_TRY_FINALLY = 1 << 1,
545 GIMPLE_TRY_KIND = GIMPLE_TRY_CATCH | GIMPLE_TRY_FINALLY,
547 /* Analogous to TRY_CATCH_IS_CLEANUP. */
548 GIMPLE_TRY_CATCH_IS_CLEANUP = 1 << 2
551 /* GIMPLE_WITH_CLEANUP_EXPR */
553 struct GTY(()) gimple_statement_wce {
555 struct gimple_statement_base gsbase;
557 /* Subcode: CLEANUP_EH_ONLY. True if the cleanup should only be
558 executed if an exception is thrown, not on normal exit of its
559 scope. This flag is analogous to the CLEANUP_EH_ONLY flag
563 Cleanup expression. */
570 struct GTY(()) gimple_statement_asm
573 struct gimple_statement_with_memory_ops_base membase;
576 __asm__ statement. */
580 Number of inputs, outputs, clobbers, labels. */
587 Operand vector. NOTE! This must always be the last field
588 of this structure. In particular, this means that this
589 structure cannot be embedded inside another one. */
590 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
593 /* GIMPLE_OMP_CRITICAL */
595 struct GTY(()) gimple_statement_omp_critical {
597 struct gimple_statement_omp omp;
600 Critical section name. */
605 struct GTY(()) gimple_omp_for_iter {
606 /* Condition code. */
609 /* Index variable. */
624 struct GTY(()) gimple_statement_omp_for {
626 struct gimple_statement_omp omp;
632 Number of elements in iter array. */
636 struct gimple_omp_for_iter * GTY((length ("%h.collapse"))) iter;
639 Pre-body evaluated before the loop body begins. */
644 /* GIMPLE_OMP_PARALLEL */
646 struct GTY(()) gimple_statement_omp_parallel {
648 struct gimple_statement_omp omp;
655 Child function holding the body of the parallel region. */
659 Shared data argument. */
664 /* GIMPLE_OMP_TASK */
666 struct GTY(()) gimple_statement_omp_task {
668 struct gimple_statement_omp_parallel par;
671 Child function holding firstprivate initialization if needed. */
675 Size and alignment in bytes of the argument data block. */
681 /* GIMPLE_OMP_SECTION */
682 /* Uses struct gimple_statement_omp. */
685 /* GIMPLE_OMP_SECTIONS */
687 struct GTY(()) gimple_statement_omp_sections {
689 struct gimple_statement_omp omp;
695 The control variable used for deciding which of the sections to
700 /* GIMPLE_OMP_CONTINUE.
702 Note: This does not inherit from gimple_statement_omp, because we
703 do not need the body field. */
705 struct GTY(()) gimple_statement_omp_continue {
707 struct gimple_statement_base gsbase;
716 /* GIMPLE_OMP_SINGLE */
718 struct GTY(()) gimple_statement_omp_single {
720 struct gimple_statement_omp omp;
727 /* GIMPLE_OMP_ATOMIC_LOAD.
728 Note: This is based on gimple_statement_base, not g_s_omp, because g_s_omp
729 contains a sequence, which we don't need here. */
731 struct GTY(()) gimple_statement_omp_atomic_load {
733 struct gimple_statement_base gsbase;
739 /* GIMPLE_OMP_ATOMIC_STORE.
740 See note on GIMPLE_OMP_ATOMIC_LOAD. */
742 struct GTY(()) gimple_statement_omp_atomic_store {
744 struct gimple_statement_base gsbase;
750 #define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) SYM,
751 enum gimple_statement_structure_enum {
752 #include "gsstruct.def"
758 /* Define the overall contents of a gimple tuple. It may be any of the
759 structures declared above for various types of tuples. */
761 union GTY ((desc ("gimple_statement_structure (&%h)"), variable_size)) gimple_statement_d {
762 struct gimple_statement_base GTY ((tag ("GSS_BASE"))) gsbase;
763 struct gimple_statement_with_ops GTY ((tag ("GSS_WITH_OPS"))) gsops;
764 struct gimple_statement_with_memory_ops_base GTY ((tag ("GSS_WITH_MEM_OPS_BASE"))) gsmembase;
765 struct gimple_statement_with_memory_ops GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem;
766 struct gimple_statement_call GTY ((tag ("GSS_CALL"))) gimple_call;
767 struct gimple_statement_omp GTY ((tag ("GSS_OMP"))) omp;
768 struct gimple_statement_bind GTY ((tag ("GSS_BIND"))) gimple_bind;
769 struct gimple_statement_catch GTY ((tag ("GSS_CATCH"))) gimple_catch;
770 struct gimple_statement_eh_filter GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter;
771 struct gimple_statement_eh_mnt GTY ((tag ("GSS_EH_MNT"))) gimple_eh_mnt;
772 struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi;
773 struct gimple_statement_eh_ctrl GTY ((tag ("GSS_EH_CTRL"))) gimple_eh_ctrl;
774 struct gimple_statement_try GTY ((tag ("GSS_TRY"))) gimple_try;
775 struct gimple_statement_wce GTY ((tag ("GSS_WCE"))) gimple_wce;
776 struct gimple_statement_asm GTY ((tag ("GSS_ASM"))) gimple_asm;
777 struct gimple_statement_omp_critical GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical;
778 struct gimple_statement_omp_for GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for;
779 struct gimple_statement_omp_parallel GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel;
780 struct gimple_statement_omp_task GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task;
781 struct gimple_statement_omp_sections GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections;
782 struct gimple_statement_omp_single GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single;
783 struct gimple_statement_omp_continue GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue;
784 struct gimple_statement_omp_atomic_load GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load;
785 struct gimple_statement_omp_atomic_store GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store;
790 /* Offset in bytes to the location of the operand vector.
791 Zero if there is no operand vector for this tuple structure. */
792 extern size_t const gimple_ops_offset_[];
794 /* Map GIMPLE codes to GSS codes. */
795 extern enum gimple_statement_structure_enum const gss_for_code_[];
797 /* This variable holds the currently expanded gimple statement for purposes
798 of comminucating the profile info to the builtin expanders. */
799 extern gimple currently_expanding_gimple_stmt;
801 gimple gimple_build_return (tree);
803 gimple gimple_build_assign_stat (tree, tree MEM_STAT_DECL);
804 #define gimple_build_assign(l,r) gimple_build_assign_stat (l, r MEM_STAT_INFO)
806 void extract_ops_from_tree (tree, enum tree_code *, tree *, tree *);
808 gimple gimple_build_assign_with_ops_stat (enum tree_code, tree, tree,
810 #define gimple_build_assign_with_ops(c,o1,o2,o3) \
811 gimple_build_assign_with_ops_stat (c, o1, o2, o3 MEM_STAT_INFO)
813 gimple gimple_build_debug_bind_stat (tree, tree, gimple MEM_STAT_DECL);
814 #define gimple_build_debug_bind(var,val,stmt) \
815 gimple_build_debug_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
817 gimple gimple_build_call_vec (tree, VEC(tree, heap) *);
818 gimple gimple_build_call (tree, unsigned, ...);
819 gimple gimple_build_call_from_tree (tree);
820 gimple gimplify_assign (tree, tree, gimple_seq *);
821 gimple gimple_build_cond (enum tree_code, tree, tree, tree, tree);
822 gimple gimple_build_label (tree label);
823 gimple gimple_build_goto (tree dest);
824 gimple gimple_build_nop (void);
825 gimple gimple_build_bind (tree, gimple_seq, tree);
826 gimple gimple_build_asm_vec (const char *, VEC(tree,gc) *, VEC(tree,gc) *,
827 VEC(tree,gc) *, VEC(tree,gc) *);
828 gimple gimple_build_catch (tree, gimple_seq);
829 gimple gimple_build_eh_filter (tree, gimple_seq);
830 gimple gimple_build_eh_must_not_throw (tree);
831 gimple gimple_build_try (gimple_seq, gimple_seq, enum gimple_try_flags);
832 gimple gimple_build_wce (gimple_seq);
833 gimple gimple_build_resx (int);
834 gimple gimple_build_eh_dispatch (int);
835 gimple gimple_build_switch_nlabels (unsigned, tree, tree);
836 gimple gimple_build_switch (unsigned, tree, tree, ...);
837 gimple gimple_build_switch_vec (tree, tree, VEC(tree,heap) *);
838 gimple gimple_build_omp_parallel (gimple_seq, tree, tree, tree);
839 gimple gimple_build_omp_task (gimple_seq, tree, tree, tree, tree, tree, tree);
840 gimple gimple_build_omp_for (gimple_seq, tree, size_t, gimple_seq);
841 gimple gimple_build_omp_critical (gimple_seq, tree);
842 gimple gimple_build_omp_section (gimple_seq);
843 gimple gimple_build_omp_continue (tree, tree);
844 gimple gimple_build_omp_master (gimple_seq);
845 gimple gimple_build_omp_return (bool);
846 gimple gimple_build_omp_ordered (gimple_seq);
847 gimple gimple_build_omp_sections (gimple_seq, tree);
848 gimple gimple_build_omp_sections_switch (void);
849 gimple gimple_build_omp_single (gimple_seq, tree);
850 gimple gimple_build_cdt (tree, tree);
851 gimple gimple_build_omp_atomic_load (tree, tree);
852 gimple gimple_build_omp_atomic_store (tree);
853 gimple gimple_build_predict (enum br_predictor, enum prediction);
854 enum gimple_statement_structure_enum gss_for_assign (enum tree_code);
855 void sort_case_labels (VEC(tree,heap) *);
856 void gimple_set_body (tree, gimple_seq);
857 gimple_seq gimple_body (tree);
858 bool gimple_has_body_p (tree);
859 gimple_seq gimple_seq_alloc (void);
860 void gimple_seq_free (gimple_seq);
861 void gimple_seq_add_seq (gimple_seq *, gimple_seq);
862 gimple_seq gimple_seq_copy (gimple_seq);
863 int gimple_call_flags (const_gimple);
864 int gimple_call_return_flags (const_gimple);
865 int gimple_call_arg_flags (const_gimple, unsigned);
866 void gimple_call_reset_alias_info (gimple);
867 bool gimple_assign_copy_p (gimple);
868 bool gimple_assign_ssa_name_copy_p (gimple);
869 bool gimple_assign_single_p (gimple);
870 bool gimple_assign_unary_nop_p (gimple);
871 void gimple_set_bb (gimple, struct basic_block_def *);
872 void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree);
873 void gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *, enum tree_code,
875 tree gimple_get_lhs (const_gimple);
876 void gimple_set_lhs (gimple, tree);
877 void gimple_replace_lhs (gimple, tree);
878 gimple gimple_copy (gimple);
879 bool is_gimple_operand (const_tree);
880 void gimple_set_modified (gimple, bool);
881 void gimple_cond_get_ops_from_tree (tree, enum tree_code *, tree *, tree *);
882 gimple gimple_build_cond_from_tree (tree, tree, tree);
883 void gimple_cond_set_condition_from_tree (gimple, tree);
884 bool gimple_has_side_effects (const_gimple);
885 bool gimple_rhs_has_side_effects (const_gimple);
886 bool gimple_could_trap_p (gimple);
887 bool gimple_assign_rhs_could_trap_p (gimple);
888 void gimple_regimplify_operands (gimple, gimple_stmt_iterator *);
889 bool empty_body_p (gimple_seq);
890 unsigned get_gimple_rhs_num_ops (enum tree_code);
891 #define gimple_alloc(c, n) gimple_alloc_stat (c, n MEM_STAT_INFO)
892 gimple gimple_alloc_stat (enum gimple_code, unsigned MEM_STAT_DECL);
893 const char *gimple_decl_printable_name (tree, int);
894 tree gimple_fold_obj_type_ref (tree, tree);
895 tree gimple_get_relevant_ref_binfo (tree ref, tree known_binfo);
896 tree gimple_fold_obj_type_ref_known_binfo (HOST_WIDE_INT, tree);
898 /* Returns true iff T is a valid GIMPLE statement. */
899 extern bool is_gimple_stmt (tree);
901 /* Returns true iff TYPE is a valid type for a scalar register variable. */
902 extern bool is_gimple_reg_type (tree);
903 /* Returns true iff T is a scalar register variable. */
904 extern bool is_gimple_reg (tree);
905 /* Returns true iff T is any sort of variable. */
906 extern bool is_gimple_variable (tree);
907 /* Returns true iff T is any sort of symbol. */
908 extern bool is_gimple_id (tree);
909 /* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */
910 extern bool is_gimple_min_lval (tree);
911 /* Returns true iff T is something whose address can be taken. */
912 extern bool is_gimple_addressable (tree);
913 /* Returns true iff T is any valid GIMPLE lvalue. */
914 extern bool is_gimple_lvalue (tree);
916 /* Returns true iff T is a GIMPLE address. */
917 bool is_gimple_address (const_tree);
918 /* Returns true iff T is a GIMPLE invariant address. */
919 bool is_gimple_invariant_address (const_tree);
920 /* Returns true iff T is a GIMPLE invariant address at interprocedural
922 bool is_gimple_ip_invariant_address (const_tree);
923 /* Returns true iff T is a valid GIMPLE constant. */
924 bool is_gimple_constant (const_tree);
925 /* Returns true iff T is a GIMPLE restricted function invariant. */
926 extern bool is_gimple_min_invariant (const_tree);
927 /* Returns true iff T is a GIMPLE restricted interprecodural invariant. */
928 extern bool is_gimple_ip_invariant (const_tree);
929 /* Returns true iff T is a GIMPLE rvalue. */
930 extern bool is_gimple_val (tree);
931 /* Returns true iff T is a GIMPLE asm statement input. */
932 extern bool is_gimple_asm_val (tree);
933 /* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a
934 GIMPLE temporary, a renamed user variable, or something else,
936 extern bool is_gimple_reg_rhs (tree);
937 extern bool is_gimple_mem_rhs (tree);
939 /* Returns true iff T is a valid if-statement condition. */
940 extern bool is_gimple_condexpr (tree);
942 /* Returns true iff T is a type conversion. */
943 extern bool is_gimple_cast (tree);
944 /* Returns true iff T is a variable that does not need to live in memory. */
945 extern bool is_gimple_non_addressable (tree t);
947 /* Returns true iff T is a valid call address expression. */
948 extern bool is_gimple_call_addr (tree);
949 /* If T makes a function call, returns the CALL_EXPR operand. */
950 extern tree get_call_expr_in (tree t);
952 extern void recalculate_side_effects (tree);
953 extern bool gimple_compare_field_offset (tree, tree);
954 extern tree gimple_register_type (tree);
955 extern void print_gimple_types_stats (void);
956 extern void free_gimple_type_tables (void);
957 extern tree gimple_unsigned_type (tree);
958 extern tree gimple_signed_type (tree);
959 extern alias_set_type gimple_get_alias_set (tree);
960 extern void count_uses_and_derefs (tree, gimple, unsigned *, unsigned *,
962 extern bool walk_stmt_load_store_addr_ops (gimple, void *,
963 bool (*)(gimple, tree, void *),
964 bool (*)(gimple, tree, void *),
965 bool (*)(gimple, tree, void *));
966 extern bool walk_stmt_load_store_ops (gimple, void *,
967 bool (*)(gimple, tree, void *),
968 bool (*)(gimple, tree, void *));
969 extern bool gimple_ior_addresses_taken (bitmap, gimple);
970 extern bool gimple_call_builtin_p (gimple, enum built_in_function);
973 extern tree create_tmp_var_raw (tree, const char *);
974 extern tree create_tmp_var_name (const char *);
975 extern tree create_tmp_var (tree, const char *);
976 extern tree create_tmp_reg (tree, const char *);
977 extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *);
978 extern tree get_formal_tmp_var (tree, gimple_seq *);
979 extern void declare_vars (tree, gimple, bool);
980 extern void annotate_all_with_location (gimple_seq, location_t);
982 /* Validation of GIMPLE expressions. Note that these predicates only check
983 the basic form of the expression, they don't recurse to make sure that
984 underlying nodes are also of the right form. */
985 typedef bool (*gimple_predicate)(tree);
988 /* FIXME we should deduce this from the predicate. */
990 fb_none = 0, /* Do not generate a temporary. */
992 fb_rvalue = 1, /* Generate an rvalue to hold the result of a
993 gimplified expression. */
995 fb_lvalue = 2, /* Generate an lvalue to hold the result of a
996 gimplified expression. */
998 fb_mayfail = 4, /* Gimplification may fail. Error issued
1000 fb_either= fb_rvalue | fb_lvalue
1003 typedef int fallback_t;
1005 enum gimplify_status {
1006 GS_ERROR = -2, /* Something Bad Seen. */
1007 GS_UNHANDLED = -1, /* A langhook result for "I dunno". */
1008 GS_OK = 0, /* We did something, maybe more to do. */
1009 GS_ALL_DONE = 1 /* The expression is fully gimplified. */
1014 struct gimplify_ctx *prev_context;
1016 VEC(gimple,heap) *bind_expr_stack;
1018 gimple_seq conditional_cleanups;
1022 VEC(tree,heap) *case_labels;
1023 /* The formal temporary table. Should this be persistent? */
1029 bool allow_rhs_cond_expr;
1032 extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *,
1033 bool (*) (tree), fallback_t);
1034 extern void gimplify_type_sizes (tree, gimple_seq *);
1035 extern void gimplify_one_sizepos (tree *, gimple_seq *);
1036 extern bool gimplify_stmt (tree *, gimple_seq *);
1037 extern gimple gimplify_body (tree *, tree, bool);
1038 extern void push_gimplify_context (struct gimplify_ctx *);
1039 extern void pop_gimplify_context (gimple);
1040 extern void gimplify_and_add (tree, gimple_seq *);
1042 /* Miscellaneous helpers. */
1043 extern void gimple_add_tmp_var (tree);
1044 extern gimple gimple_current_bind_expr (void);
1045 extern VEC(gimple, heap) *gimple_bind_expr_stack (void);
1046 extern tree voidify_wrapper_expr (tree, tree);
1047 extern tree build_and_jump (tree *);
1048 extern tree force_labels_r (tree *, int *, void *);
1049 extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *,
1051 struct gimplify_omp_ctx;
1052 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree);
1053 extern tree gimple_boolify (tree);
1054 extern gimple_predicate rhs_predicate_for (tree);
1055 extern tree canonicalize_cond_expr_cond (tree);
1058 extern tree omp_reduction_init (tree, tree);
1060 /* In tree-nested.c. */
1061 extern void lower_nested_functions (tree);
1062 extern void insert_field_into_struct (tree, tree);
1064 /* In gimplify.c. */
1065 extern void gimplify_function_tree (tree);
1067 /* In cfgexpand.c. */
1068 extern tree gimple_assign_rhs_to_tree (gimple);
1071 extern bool validate_gimple_arglist (const_gimple, ...);
1074 extern bool tree_ssa_useless_type_conversion (tree);
1075 extern tree tree_ssa_strip_useless_type_conversions (tree);
1076 extern bool useless_type_conversion_p (tree, tree);
1077 extern bool types_compatible_p (tree, tree);
1079 /* Return the code for GIMPLE statement G. */
1081 static inline enum gimple_code
1082 gimple_code (const_gimple g)
1084 return g->gsbase.code;
1088 /* Return the GSS code used by a GIMPLE code. */
1090 static inline enum gimple_statement_structure_enum
1091 gss_for_code (enum gimple_code code)
1093 gcc_gimple_checking_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE);
1094 return gss_for_code_[code];
1098 /* Return which GSS code is used by GS. */
1100 static inline enum gimple_statement_structure_enum
1101 gimple_statement_structure (gimple gs)
1103 return gss_for_code (gimple_code (gs));
1107 /* Return true if statement G has sub-statements. This is only true for
1108 High GIMPLE statements. */
1111 gimple_has_substatements (gimple g)
1113 switch (gimple_code (g))
1117 case GIMPLE_EH_FILTER:
1119 case GIMPLE_OMP_FOR:
1120 case GIMPLE_OMP_MASTER:
1121 case GIMPLE_OMP_ORDERED:
1122 case GIMPLE_OMP_SECTION:
1123 case GIMPLE_OMP_PARALLEL:
1124 case GIMPLE_OMP_TASK:
1125 case GIMPLE_OMP_SECTIONS:
1126 case GIMPLE_OMP_SINGLE:
1127 case GIMPLE_OMP_CRITICAL:
1128 case GIMPLE_WITH_CLEANUP_EXPR:
1137 /* Return the basic block holding statement G. */
1139 static inline struct basic_block_def *
1140 gimple_bb (const_gimple g)
1142 return g->gsbase.bb;
1146 /* Return the lexical scope block holding statement G. */
1149 gimple_block (const_gimple g)
1151 return g->gsbase.block;
1155 /* Set BLOCK to be the lexical scope block holding statement G. */
1158 gimple_set_block (gimple g, tree block)
1160 g->gsbase.block = block;
1164 /* Return location information for statement G. */
1166 static inline location_t
1167 gimple_location (const_gimple g)
1169 return g->gsbase.location;
1172 /* Return pointer to location information for statement G. */
1174 static inline const location_t *
1175 gimple_location_ptr (const_gimple g)
1177 return &g->gsbase.location;
1181 /* Set location information for statement G. */
1184 gimple_set_location (gimple g, location_t location)
1186 g->gsbase.location = location;
1190 /* Return true if G contains location information. */
1193 gimple_has_location (const_gimple g)
1195 return gimple_location (g) != UNKNOWN_LOCATION;
1199 /* Return the file name of the location of STMT. */
1201 static inline const char *
1202 gimple_filename (const_gimple stmt)
1204 return LOCATION_FILE (gimple_location (stmt));
1208 /* Return the line number of the location of STMT. */
1211 gimple_lineno (const_gimple stmt)
1213 return LOCATION_LINE (gimple_location (stmt));
1217 /* Determine whether SEQ is a singleton. */
1220 gimple_seq_singleton_p (gimple_seq seq)
1222 return ((gimple_seq_first (seq) != NULL)
1223 && (gimple_seq_first (seq) == gimple_seq_last (seq)));
1226 /* Return true if no warnings should be emitted for statement STMT. */
1229 gimple_no_warning_p (const_gimple stmt)
1231 return stmt->gsbase.no_warning;
1234 /* Set the no_warning flag of STMT to NO_WARNING. */
1237 gimple_set_no_warning (gimple stmt, bool no_warning)
1239 stmt->gsbase.no_warning = (unsigned) no_warning;
1242 /* Set the visited status on statement STMT to VISITED_P. */
1245 gimple_set_visited (gimple stmt, bool visited_p)
1247 stmt->gsbase.visited = (unsigned) visited_p;
1251 /* Return the visited status for statement STMT. */
1254 gimple_visited_p (gimple stmt)
1256 return stmt->gsbase.visited;
1260 /* Set pass local flag PLF on statement STMT to VAL_P. */
1263 gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p)
1266 stmt->gsbase.plf |= (unsigned int) plf;
1268 stmt->gsbase.plf &= ~((unsigned int) plf);
1272 /* Return the value of pass local flag PLF on statement STMT. */
1274 static inline unsigned int
1275 gimple_plf (gimple stmt, enum plf_mask plf)
1277 return stmt->gsbase.plf & ((unsigned int) plf);
1281 /* Set the UID of statement. */
1284 gimple_set_uid (gimple g, unsigned uid)
1286 g->gsbase.uid = uid;
1290 /* Return the UID of statement. */
1292 static inline unsigned
1293 gimple_uid (const_gimple g)
1295 return g->gsbase.uid;
1299 /* Return true if GIMPLE statement G has register or memory operands. */
1302 gimple_has_ops (const_gimple g)
1304 return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN;
1308 /* Return true if GIMPLE statement G has memory operands. */
1311 gimple_has_mem_ops (const_gimple g)
1313 return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN;
1317 /* Return the set of DEF operands for statement G. */
1319 static inline struct def_optype_d *
1320 gimple_def_ops (const_gimple g)
1322 if (!gimple_has_ops (g))
1324 return g->gsops.opbase.def_ops;
1328 /* Set DEF to be the set of DEF operands for statement G. */
1331 gimple_set_def_ops (gimple g, struct def_optype_d *def)
1333 gcc_gimple_checking_assert (gimple_has_ops (g));
1334 g->gsops.opbase.def_ops = def;
1338 /* Return the set of USE operands for statement G. */
1340 static inline struct use_optype_d *
1341 gimple_use_ops (const_gimple g)
1343 if (!gimple_has_ops (g))
1345 return g->gsops.opbase.use_ops;
1349 /* Set USE to be the set of USE operands for statement G. */
1352 gimple_set_use_ops (gimple g, struct use_optype_d *use)
1354 gcc_gimple_checking_assert (gimple_has_ops (g));
1355 g->gsops.opbase.use_ops = use;
1359 /* Return the set of VUSE operand for statement G. */
1361 static inline use_operand_p
1362 gimple_vuse_op (const_gimple g)
1364 struct use_optype_d *ops;
1365 if (!gimple_has_mem_ops (g))
1366 return NULL_USE_OPERAND_P;
1367 ops = g->gsops.opbase.use_ops;
1369 && USE_OP_PTR (ops)->use == &g->gsmembase.vuse)
1370 return USE_OP_PTR (ops);
1371 return NULL_USE_OPERAND_P;
1374 /* Return the set of VDEF operand for statement G. */
1376 static inline def_operand_p
1377 gimple_vdef_op (const_gimple g)
1379 struct def_optype_d *ops;
1380 if (!gimple_has_mem_ops (g))
1381 return NULL_DEF_OPERAND_P;
1382 ops = g->gsops.opbase.def_ops;
1384 && DEF_OP_PTR (ops) == &g->gsmembase.vdef)
1385 return DEF_OP_PTR (ops);
1386 return NULL_DEF_OPERAND_P;
1390 /* Return the single VUSE operand of the statement G. */
1393 gimple_vuse (const_gimple g)
1395 if (!gimple_has_mem_ops (g))
1397 return g->gsmembase.vuse;
1400 /* Return the single VDEF operand of the statement G. */
1403 gimple_vdef (const_gimple g)
1405 if (!gimple_has_mem_ops (g))
1407 return g->gsmembase.vdef;
1410 /* Return the single VUSE operand of the statement G. */
1412 static inline tree *
1413 gimple_vuse_ptr (gimple g)
1415 if (!gimple_has_mem_ops (g))
1417 return &g->gsmembase.vuse;
1420 /* Return the single VDEF operand of the statement G. */
1422 static inline tree *
1423 gimple_vdef_ptr (gimple g)
1425 if (!gimple_has_mem_ops (g))
1427 return &g->gsmembase.vdef;
1430 /* Set the single VUSE operand of the statement G. */
1433 gimple_set_vuse (gimple g, tree vuse)
1435 gcc_gimple_checking_assert (gimple_has_mem_ops (g));
1436 g->gsmembase.vuse = vuse;
1439 /* Set the single VDEF operand of the statement G. */
1442 gimple_set_vdef (gimple g, tree vdef)
1444 gcc_gimple_checking_assert (gimple_has_mem_ops (g));
1445 g->gsmembase.vdef = vdef;
1449 /* Return true if statement G has operands and the modified field has
1453 gimple_modified_p (const_gimple g)
1455 return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false;
1459 /* Return the tree code for the expression computed by STMT. This is
1460 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For
1461 GIMPLE_CALL, return CALL_EXPR as the expression code for
1462 consistency. This is useful when the caller needs to deal with the
1463 three kinds of computation that GIMPLE supports. */
1465 static inline enum tree_code
1466 gimple_expr_code (const_gimple stmt)
1468 enum gimple_code code = gimple_code (stmt);
1469 if (code == GIMPLE_ASSIGN || code == GIMPLE_COND)
1470 return (enum tree_code) stmt->gsbase.subcode;
1473 gcc_gimple_checking_assert (code == GIMPLE_CALL);
1479 /* Mark statement S as modified, and update it. */
1482 update_stmt (gimple s)
1484 if (gimple_has_ops (s))
1486 gimple_set_modified (s, true);
1487 update_stmt_operands (s);
1491 /* Update statement S if it has been optimized. */
1494 update_stmt_if_modified (gimple s)
1496 if (gimple_modified_p (s))
1497 update_stmt_operands (s);
1500 /* Return true if statement STMT contains volatile operands. */
1503 gimple_has_volatile_ops (const_gimple stmt)
1505 if (gimple_has_mem_ops (stmt))
1506 return stmt->gsbase.has_volatile_ops;
1512 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */
1515 gimple_set_has_volatile_ops (gimple stmt, bool volatilep)
1517 if (gimple_has_mem_ops (stmt))
1518 stmt->gsbase.has_volatile_ops = (unsigned) volatilep;
1522 /* Return true if statement STMT may access memory. */
1525 gimple_references_memory_p (gimple stmt)
1527 return gimple_has_mem_ops (stmt) && gimple_vuse (stmt);
1531 /* Return the subcode for OMP statement S. */
1533 static inline unsigned
1534 gimple_omp_subcode (const_gimple s)
1536 gcc_gimple_checking_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD
1537 && gimple_code (s) <= GIMPLE_OMP_SINGLE);
1538 return s->gsbase.subcode;
1541 /* Set the subcode for OMP statement S to SUBCODE. */
1544 gimple_omp_set_subcode (gimple s, unsigned int subcode)
1546 /* We only have 16 bits for the subcode. Assert that we are not
1548 gcc_gimple_checking_assert (subcode < (1 << 16));
1549 s->gsbase.subcode = subcode;
1552 /* Set the nowait flag on OMP_RETURN statement S. */
1555 gimple_omp_return_set_nowait (gimple s)
1557 GIMPLE_CHECK (s, GIMPLE_OMP_RETURN);
1558 s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT;
1562 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT
1566 gimple_omp_return_nowait_p (const_gimple g)
1568 GIMPLE_CHECK (g, GIMPLE_OMP_RETURN);
1569 return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0;
1573 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST
1577 gimple_omp_section_last_p (const_gimple g)
1579 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1580 return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0;
1584 /* Set the GF_OMP_SECTION_LAST flag on G. */
1587 gimple_omp_section_set_last (gimple g)
1589 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1590 g->gsbase.subcode |= GF_OMP_SECTION_LAST;
1594 /* Return true if OMP parallel statement G has the
1595 GF_OMP_PARALLEL_COMBINED flag set. */
1598 gimple_omp_parallel_combined_p (const_gimple g)
1600 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1601 return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0;
1605 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean
1606 value of COMBINED_P. */
1609 gimple_omp_parallel_set_combined_p (gimple g, bool combined_p)
1611 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1613 g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED;
1615 g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED;
1619 /* Return the number of operands for statement GS. */
1621 static inline unsigned
1622 gimple_num_ops (const_gimple gs)
1624 return gs->gsbase.num_ops;
1628 /* Set the number of operands for statement GS. */
1631 gimple_set_num_ops (gimple gs, unsigned num_ops)
1633 gs->gsbase.num_ops = num_ops;
1637 /* Return the array of operands for statement GS. */
1639 static inline tree *
1640 gimple_ops (gimple gs)
1644 /* All the tuples have their operand vector at the very bottom
1645 of the structure. Note that those structures that do not
1646 have an operand vector have a zero offset. */
1647 off = gimple_ops_offset_[gimple_statement_structure (gs)];
1648 gcc_gimple_checking_assert (off != 0);
1650 return (tree *) ((char *) gs + off);
1654 /* Return operand I for statement GS. */
1657 gimple_op (const_gimple gs, unsigned i)
1659 if (gimple_has_ops (gs))
1661 gcc_gimple_checking_assert (i < gimple_num_ops (gs));
1662 return gimple_ops (CONST_CAST_GIMPLE (gs))[i];
1668 /* Return a pointer to operand I for statement GS. */
1670 static inline tree *
1671 gimple_op_ptr (const_gimple gs, unsigned i)
1673 if (gimple_has_ops (gs))
1675 gcc_gimple_checking_assert (i < gimple_num_ops (gs));
1676 return gimple_ops (CONST_CAST_GIMPLE (gs)) + i;
1682 /* Set operand I of statement GS to OP. */
1685 gimple_set_op (gimple gs, unsigned i, tree op)
1687 gcc_gimple_checking_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs));
1689 /* Note. It may be tempting to assert that OP matches
1690 is_gimple_operand, but that would be wrong. Different tuples
1691 accept slightly different sets of tree operands. Each caller
1692 should perform its own validation. */
1693 gimple_ops (gs)[i] = op;
1696 /* Return true if GS is a GIMPLE_ASSIGN. */
1699 is_gimple_assign (const_gimple gs)
1701 return gimple_code (gs) == GIMPLE_ASSIGN;
1704 /* Determine if expression CODE is one of the valid expressions that can
1705 be used on the RHS of GIMPLE assignments. */
1707 static inline enum gimple_rhs_class
1708 get_gimple_rhs_class (enum tree_code code)
1710 return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code];
1713 /* Return the LHS of assignment statement GS. */
1716 gimple_assign_lhs (const_gimple gs)
1718 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1719 return gimple_op (gs, 0);
1723 /* Return a pointer to the LHS of assignment statement GS. */
1725 static inline tree *
1726 gimple_assign_lhs_ptr (const_gimple gs)
1728 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1729 return gimple_op_ptr (gs, 0);
1733 /* Set LHS to be the LHS operand of assignment statement GS. */
1736 gimple_assign_set_lhs (gimple gs, tree lhs)
1738 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1739 gimple_set_op (gs, 0, lhs);
1741 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1742 SSA_NAME_DEF_STMT (lhs) = gs;
1746 /* Return the first operand on the RHS of assignment statement GS. */
1749 gimple_assign_rhs1 (const_gimple gs)
1751 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1752 return gimple_op (gs, 1);
1756 /* Return a pointer to the first operand on the RHS of assignment
1759 static inline tree *
1760 gimple_assign_rhs1_ptr (const_gimple gs)
1762 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1763 return gimple_op_ptr (gs, 1);
1766 /* Set RHS to be the first operand on the RHS of assignment statement GS. */
1769 gimple_assign_set_rhs1 (gimple gs, tree rhs)
1771 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1773 gimple_set_op (gs, 1, rhs);
1777 /* Return the second operand on the RHS of assignment statement GS.
1778 If GS does not have two operands, NULL is returned instead. */
1781 gimple_assign_rhs2 (const_gimple gs)
1783 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1785 if (gimple_num_ops (gs) >= 3)
1786 return gimple_op (gs, 2);
1792 /* Return a pointer to the second operand on the RHS of assignment
1795 static inline tree *
1796 gimple_assign_rhs2_ptr (const_gimple gs)
1798 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1799 return gimple_op_ptr (gs, 2);
1803 /* Set RHS to be the second operand on the RHS of assignment statement GS. */
1806 gimple_assign_set_rhs2 (gimple gs, tree rhs)
1808 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1810 gimple_set_op (gs, 2, rhs);
1813 /* Returns true if GS is a nontemporal move. */
1816 gimple_assign_nontemporal_move_p (const_gimple gs)
1818 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1819 return gs->gsbase.nontemporal_move;
1822 /* Sets nontemporal move flag of GS to NONTEMPORAL. */
1825 gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal)
1827 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1828 gs->gsbase.nontemporal_move = nontemporal;
1832 /* Return the code of the expression computed on the rhs of assignment
1833 statement GS. In case that the RHS is a single object, returns the
1834 tree code of the object. */
1836 static inline enum tree_code
1837 gimple_assign_rhs_code (const_gimple gs)
1839 enum tree_code code;
1840 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1842 code = gimple_expr_code (gs);
1843 if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS)
1844 code = TREE_CODE (gimple_assign_rhs1 (gs));
1850 /* Set CODE to be the code for the expression computed on the RHS of
1854 gimple_assign_set_rhs_code (gimple s, enum tree_code code)
1856 GIMPLE_CHECK (s, GIMPLE_ASSIGN);
1857 s->gsbase.subcode = code;
1861 /* Return the gimple rhs class of the code of the expression computed on
1862 the rhs of assignment statement GS.
1863 This will never return GIMPLE_INVALID_RHS. */
1865 static inline enum gimple_rhs_class
1866 gimple_assign_rhs_class (const_gimple gs)
1868 return get_gimple_rhs_class (gimple_assign_rhs_code (gs));
1872 /* Return true if S is a type-cast assignment. */
1875 gimple_assign_cast_p (gimple s)
1877 if (is_gimple_assign (s))
1879 enum tree_code sc = gimple_assign_rhs_code (s);
1880 return CONVERT_EXPR_CODE_P (sc)
1881 || sc == VIEW_CONVERT_EXPR
1882 || sc == FIX_TRUNC_EXPR;
1889 /* Return true if GS is a GIMPLE_CALL. */
1892 is_gimple_call (const_gimple gs)
1894 return gimple_code (gs) == GIMPLE_CALL;
1897 /* Return the LHS of call statement GS. */
1900 gimple_call_lhs (const_gimple gs)
1902 GIMPLE_CHECK (gs, GIMPLE_CALL);
1903 return gimple_op (gs, 0);
1907 /* Return a pointer to the LHS of call statement GS. */
1909 static inline tree *
1910 gimple_call_lhs_ptr (const_gimple gs)
1912 GIMPLE_CHECK (gs, GIMPLE_CALL);
1913 return gimple_op_ptr (gs, 0);
1917 /* Set LHS to be the LHS operand of call statement GS. */
1920 gimple_call_set_lhs (gimple gs, tree lhs)
1922 GIMPLE_CHECK (gs, GIMPLE_CALL);
1923 gimple_set_op (gs, 0, lhs);
1924 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1925 SSA_NAME_DEF_STMT (lhs) = gs;
1929 /* Return the tree node representing the function called by call
1933 gimple_call_fn (const_gimple gs)
1935 GIMPLE_CHECK (gs, GIMPLE_CALL);
1936 return gimple_op (gs, 1);
1940 /* Return a pointer to the tree node representing the function called by call
1943 static inline tree *
1944 gimple_call_fn_ptr (const_gimple gs)
1946 GIMPLE_CHECK (gs, GIMPLE_CALL);
1947 return gimple_op_ptr (gs, 1);
1951 /* Set FN to be the function called by call statement GS. */
1954 gimple_call_set_fn (gimple gs, tree fn)
1956 GIMPLE_CHECK (gs, GIMPLE_CALL);
1957 gimple_set_op (gs, 1, fn);
1961 /* Set FNDECL to be the function called by call statement GS. */
1964 gimple_call_set_fndecl (gimple gs, tree decl)
1966 GIMPLE_CHECK (gs, GIMPLE_CALL);
1967 gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl));
1971 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it.
1972 Otherwise return NULL. This function is analogous to
1973 get_callee_fndecl in tree land. */
1976 gimple_call_fndecl (const_gimple gs)
1978 tree addr = gimple_call_fn (gs);
1979 if (TREE_CODE (addr) == ADDR_EXPR)
1980 return TREE_OPERAND (addr, 0);
1985 /* Return the type returned by call statement GS. */
1988 gimple_call_return_type (const_gimple gs)
1990 tree fn = gimple_call_fn (gs);
1991 tree type = TREE_TYPE (fn);
1993 /* See through the pointer. */
1994 type = TREE_TYPE (type);
1996 /* The type returned by a FUNCTION_DECL is the type of its
1998 return TREE_TYPE (type);
2002 /* Return the static chain for call statement GS. */
2005 gimple_call_chain (const_gimple gs)
2007 GIMPLE_CHECK (gs, GIMPLE_CALL);
2008 return gimple_op (gs, 2);
2012 /* Return a pointer to the static chain for call statement GS. */
2014 static inline tree *
2015 gimple_call_chain_ptr (const_gimple gs)
2017 GIMPLE_CHECK (gs, GIMPLE_CALL);
2018 return gimple_op_ptr (gs, 2);
2021 /* Set CHAIN to be the static chain for call statement GS. */
2024 gimple_call_set_chain (gimple gs, tree chain)
2026 GIMPLE_CHECK (gs, GIMPLE_CALL);
2028 gimple_set_op (gs, 2, chain);
2032 /* Return the number of arguments used by call statement GS. */
2034 static inline unsigned
2035 gimple_call_num_args (const_gimple gs)
2038 GIMPLE_CHECK (gs, GIMPLE_CALL);
2039 num_ops = gimple_num_ops (gs);
2044 /* Return the argument at position INDEX for call statement GS. */
2047 gimple_call_arg (const_gimple gs, unsigned index)
2049 GIMPLE_CHECK (gs, GIMPLE_CALL);
2050 return gimple_op (gs, index + 3);
2054 /* Return a pointer to the argument at position INDEX for call
2057 static inline tree *
2058 gimple_call_arg_ptr (const_gimple gs, unsigned index)
2060 GIMPLE_CHECK (gs, GIMPLE_CALL);
2061 return gimple_op_ptr (gs, index + 3);
2065 /* Set ARG to be the argument at position INDEX for call statement GS. */
2068 gimple_call_set_arg (gimple gs, unsigned index, tree arg)
2070 GIMPLE_CHECK (gs, GIMPLE_CALL);
2071 gimple_set_op (gs, index + 3, arg);
2075 /* If TAIL_P is true, mark call statement S as being a tail call
2076 (i.e., a call just before the exit of a function). These calls are
2077 candidate for tail call optimization. */
2080 gimple_call_set_tail (gimple s, bool tail_p)
2082 GIMPLE_CHECK (s, GIMPLE_CALL);
2084 s->gsbase.subcode |= GF_CALL_TAILCALL;
2086 s->gsbase.subcode &= ~GF_CALL_TAILCALL;
2090 /* Return true if GIMPLE_CALL S is marked as a tail call. */
2093 gimple_call_tail_p (gimple s)
2095 GIMPLE_CHECK (s, GIMPLE_CALL);
2096 return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0;
2100 /* Set the inlinable status of GIMPLE_CALL S to INLINABLE_P. */
2103 gimple_call_set_cannot_inline (gimple s, bool inlinable_p)
2105 GIMPLE_CHECK (s, GIMPLE_CALL);
2107 s->gsbase.subcode |= GF_CALL_CANNOT_INLINE;
2109 s->gsbase.subcode &= ~GF_CALL_CANNOT_INLINE;
2113 /* Return true if GIMPLE_CALL S cannot be inlined. */
2116 gimple_call_cannot_inline_p (gimple s)
2118 GIMPLE_CHECK (s, GIMPLE_CALL);
2119 return (s->gsbase.subcode & GF_CALL_CANNOT_INLINE) != 0;
2123 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return
2124 slot optimization. This transformation uses the target of the call
2125 expansion as the return slot for calls that return in memory. */
2128 gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p)
2130 GIMPLE_CHECK (s, GIMPLE_CALL);
2131 if (return_slot_opt_p)
2132 s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT;
2134 s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT;
2138 /* Return true if S is marked for return slot optimization. */
2141 gimple_call_return_slot_opt_p (gimple s)
2143 GIMPLE_CHECK (s, GIMPLE_CALL);
2144 return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0;
2148 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a
2149 thunk to the thunked-to function. */
2152 gimple_call_set_from_thunk (gimple s, bool from_thunk_p)
2154 GIMPLE_CHECK (s, GIMPLE_CALL);
2156 s->gsbase.subcode |= GF_CALL_FROM_THUNK;
2158 s->gsbase.subcode &= ~GF_CALL_FROM_THUNK;
2162 /* Return true if GIMPLE_CALL S is a jump from a thunk. */
2165 gimple_call_from_thunk_p (gimple s)
2167 GIMPLE_CHECK (s, GIMPLE_CALL);
2168 return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0;
2172 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the
2173 argument pack in its argument list. */
2176 gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p)
2178 GIMPLE_CHECK (s, GIMPLE_CALL);
2179 if (pass_arg_pack_p)
2180 s->gsbase.subcode |= GF_CALL_VA_ARG_PACK;
2182 s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK;
2186 /* Return true if GIMPLE_CALL S is a stdarg call that needs the
2187 argument pack in its argument list. */
2190 gimple_call_va_arg_pack_p (gimple s)
2192 GIMPLE_CHECK (s, GIMPLE_CALL);
2193 return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0;
2197 /* Return true if S is a noreturn call. */
2200 gimple_call_noreturn_p (gimple s)
2202 GIMPLE_CHECK (s, GIMPLE_CALL);
2203 return (gimple_call_flags (s) & ECF_NORETURN) != 0;
2207 /* If NOTHROW_P is true, GIMPLE_CALL S is a call that is known to not throw
2208 even if the called function can throw in other cases. */
2211 gimple_call_set_nothrow (gimple s, bool nothrow_p)
2213 GIMPLE_CHECK (s, GIMPLE_CALL);
2215 s->gsbase.subcode |= GF_CALL_NOTHROW;
2217 s->gsbase.subcode &= ~GF_CALL_NOTHROW;
2220 /* Return true if S is a nothrow call. */
2223 gimple_call_nothrow_p (gimple s)
2225 GIMPLE_CHECK (s, GIMPLE_CALL);
2226 return (gimple_call_flags (s) & ECF_NOTHROW) != 0;
2230 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */
2233 gimple_call_copy_flags (gimple dest_call, gimple orig_call)
2235 GIMPLE_CHECK (dest_call, GIMPLE_CALL);
2236 GIMPLE_CHECK (orig_call, GIMPLE_CALL);
2237 dest_call->gsbase.subcode = orig_call->gsbase.subcode;
2241 /* Return a pointer to the points-to solution for the set of call-used
2242 variables of the call CALL. */
2244 static inline struct pt_solution *
2245 gimple_call_use_set (gimple call)
2247 GIMPLE_CHECK (call, GIMPLE_CALL);
2248 return &call->gimple_call.call_used;
2252 /* Return a pointer to the points-to solution for the set of call-used
2253 variables of the call CALL. */
2255 static inline struct pt_solution *
2256 gimple_call_clobber_set (gimple call)
2258 GIMPLE_CHECK (call, GIMPLE_CALL);
2259 return &call->gimple_call.call_clobbered;
2263 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a
2267 gimple_has_lhs (gimple stmt)
2269 return (is_gimple_assign (stmt)
2270 || (is_gimple_call (stmt)
2271 && gimple_call_lhs (stmt) != NULL_TREE));
2275 /* Return the code of the predicate computed by conditional statement GS. */
2277 static inline enum tree_code
2278 gimple_cond_code (const_gimple gs)
2280 GIMPLE_CHECK (gs, GIMPLE_COND);
2281 return (enum tree_code) gs->gsbase.subcode;
2285 /* Set CODE to be the predicate code for the conditional statement GS. */
2288 gimple_cond_set_code (gimple gs, enum tree_code code)
2290 GIMPLE_CHECK (gs, GIMPLE_COND);
2291 gs->gsbase.subcode = code;
2295 /* Return the LHS of the predicate computed by conditional statement GS. */
2298 gimple_cond_lhs (const_gimple gs)
2300 GIMPLE_CHECK (gs, GIMPLE_COND);
2301 return gimple_op (gs, 0);
2304 /* Return the pointer to the LHS of the predicate computed by conditional
2307 static inline tree *
2308 gimple_cond_lhs_ptr (const_gimple gs)
2310 GIMPLE_CHECK (gs, GIMPLE_COND);
2311 return gimple_op_ptr (gs, 0);
2314 /* Set LHS to be the LHS operand of the predicate computed by
2315 conditional statement GS. */
2318 gimple_cond_set_lhs (gimple gs, tree lhs)
2320 GIMPLE_CHECK (gs, GIMPLE_COND);
2321 gimple_set_op (gs, 0, lhs);
2325 /* Return the RHS operand of the predicate computed by conditional GS. */
2328 gimple_cond_rhs (const_gimple gs)
2330 GIMPLE_CHECK (gs, GIMPLE_COND);
2331 return gimple_op (gs, 1);
2334 /* Return the pointer to the RHS operand of the predicate computed by
2337 static inline tree *
2338 gimple_cond_rhs_ptr (const_gimple gs)
2340 GIMPLE_CHECK (gs, GIMPLE_COND);
2341 return gimple_op_ptr (gs, 1);
2345 /* Set RHS to be the RHS operand of the predicate computed by
2346 conditional statement GS. */
2349 gimple_cond_set_rhs (gimple gs, tree rhs)
2351 GIMPLE_CHECK (gs, GIMPLE_COND);
2352 gimple_set_op (gs, 1, rhs);
2356 /* Return the label used by conditional statement GS when its
2357 predicate evaluates to true. */
2360 gimple_cond_true_label (const_gimple gs)
2362 GIMPLE_CHECK (gs, GIMPLE_COND);
2363 return gimple_op (gs, 2);
2367 /* Set LABEL to be the label used by conditional statement GS when its
2368 predicate evaluates to true. */
2371 gimple_cond_set_true_label (gimple gs, tree label)
2373 GIMPLE_CHECK (gs, GIMPLE_COND);
2374 gimple_set_op (gs, 2, label);
2378 /* Set LABEL to be the label used by conditional statement GS when its
2379 predicate evaluates to false. */
2382 gimple_cond_set_false_label (gimple gs, tree label)
2384 GIMPLE_CHECK (gs, GIMPLE_COND);
2385 gimple_set_op (gs, 3, label);
2389 /* Return the label used by conditional statement GS when its
2390 predicate evaluates to false. */
2393 gimple_cond_false_label (const_gimple gs)
2395 GIMPLE_CHECK (gs, GIMPLE_COND);
2396 return gimple_op (gs, 3);
2400 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */
2403 gimple_cond_make_false (gimple gs)
2405 gimple_cond_set_lhs (gs, boolean_true_node);
2406 gimple_cond_set_rhs (gs, boolean_false_node);
2407 gs->gsbase.subcode = EQ_EXPR;
2411 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */
2414 gimple_cond_make_true (gimple gs)
2416 gimple_cond_set_lhs (gs, boolean_true_node);
2417 gimple_cond_set_rhs (gs, boolean_true_node);
2418 gs->gsbase.subcode = EQ_EXPR;
2421 /* Check if conditional statemente GS is of the form 'if (1 == 1)',
2422 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */
2425 gimple_cond_true_p (const_gimple gs)
2427 tree lhs = gimple_cond_lhs (gs);
2428 tree rhs = gimple_cond_rhs (gs);
2429 enum tree_code code = gimple_cond_code (gs);
2431 if (lhs != boolean_true_node && lhs != boolean_false_node)
2434 if (rhs != boolean_true_node && rhs != boolean_false_node)
2437 if (code == NE_EXPR && lhs != rhs)
2440 if (code == EQ_EXPR && lhs == rhs)
2446 /* Check if conditional statement GS is of the form 'if (1 != 1)',
2447 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */
2450 gimple_cond_false_p (const_gimple gs)
2452 tree lhs = gimple_cond_lhs (gs);
2453 tree rhs = gimple_cond_rhs (gs);
2454 enum tree_code code = gimple_cond_code (gs);
2456 if (lhs != boolean_true_node && lhs != boolean_false_node)
2459 if (rhs != boolean_true_node && rhs != boolean_false_node)
2462 if (code == NE_EXPR && lhs == rhs)
2465 if (code == EQ_EXPR && lhs != rhs)
2471 /* Check if conditional statement GS is of the form 'if (var != 0)' or
2475 gimple_cond_single_var_p (gimple gs)
2477 if (gimple_cond_code (gs) == NE_EXPR
2478 && gimple_cond_rhs (gs) == boolean_false_node)
2481 if (gimple_cond_code (gs) == EQ_EXPR
2482 && gimple_cond_rhs (gs) == boolean_true_node)
2488 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */
2491 gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs)
2493 gimple_cond_set_code (stmt, code);
2494 gimple_cond_set_lhs (stmt, lhs);
2495 gimple_cond_set_rhs (stmt, rhs);
2498 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */
2501 gimple_label_label (const_gimple gs)
2503 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2504 return gimple_op (gs, 0);
2508 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement
2512 gimple_label_set_label (gimple gs, tree label)
2514 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2515 gimple_set_op (gs, 0, label);
2519 /* Return the destination of the unconditional jump GS. */
2522 gimple_goto_dest (const_gimple gs)
2524 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2525 return gimple_op (gs, 0);
2529 /* Set DEST to be the destination of the unconditonal jump GS. */
2532 gimple_goto_set_dest (gimple gs, tree dest)
2534 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2535 gimple_set_op (gs, 0, dest);
2539 /* Return the variables declared in the GIMPLE_BIND statement GS. */
2542 gimple_bind_vars (const_gimple gs)
2544 GIMPLE_CHECK (gs, GIMPLE_BIND);
2545 return gs->gimple_bind.vars;
2549 /* Set VARS to be the set of variables declared in the GIMPLE_BIND
2553 gimple_bind_set_vars (gimple gs, tree vars)
2555 GIMPLE_CHECK (gs, GIMPLE_BIND);
2556 gs->gimple_bind.vars = vars;
2560 /* Append VARS to the set of variables declared in the GIMPLE_BIND
2564 gimple_bind_append_vars (gimple gs, tree vars)
2566 GIMPLE_CHECK (gs, GIMPLE_BIND);
2567 gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars);
2571 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */
2573 static inline gimple_seq
2574 gimple_bind_body (gimple gs)
2576 GIMPLE_CHECK (gs, GIMPLE_BIND);
2577 return gs->gimple_bind.body;
2581 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND
2585 gimple_bind_set_body (gimple gs, gimple_seq seq)
2587 GIMPLE_CHECK (gs, GIMPLE_BIND);
2588 gs->gimple_bind.body = seq;
2592 /* Append a statement to the end of a GIMPLE_BIND's body. */
2595 gimple_bind_add_stmt (gimple gs, gimple stmt)
2597 GIMPLE_CHECK (gs, GIMPLE_BIND);
2598 gimple_seq_add_stmt (&gs->gimple_bind.body, stmt);
2602 /* Append a sequence of statements to the end of a GIMPLE_BIND's body. */
2605 gimple_bind_add_seq (gimple gs, gimple_seq seq)
2607 GIMPLE_CHECK (gs, GIMPLE_BIND);
2608 gimple_seq_add_seq (&gs->gimple_bind.body, seq);
2612 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement
2613 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */
2616 gimple_bind_block (const_gimple gs)
2618 GIMPLE_CHECK (gs, GIMPLE_BIND);
2619 return gs->gimple_bind.block;
2623 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND
2627 gimple_bind_set_block (gimple gs, tree block)
2629 GIMPLE_CHECK (gs, GIMPLE_BIND);
2630 gcc_gimple_checking_assert (block == NULL_TREE
2631 || TREE_CODE (block) == BLOCK);
2632 gs->gimple_bind.block = block;
2636 /* Return the number of input operands for GIMPLE_ASM GS. */
2638 static inline unsigned
2639 gimple_asm_ninputs (const_gimple gs)
2641 GIMPLE_CHECK (gs, GIMPLE_ASM);
2642 return gs->gimple_asm.ni;
2646 /* Return the number of output operands for GIMPLE_ASM GS. */
2648 static inline unsigned
2649 gimple_asm_noutputs (const_gimple gs)
2651 GIMPLE_CHECK (gs, GIMPLE_ASM);
2652 return gs->gimple_asm.no;
2656 /* Return the number of clobber operands for GIMPLE_ASM GS. */
2658 static inline unsigned
2659 gimple_asm_nclobbers (const_gimple gs)
2661 GIMPLE_CHECK (gs, GIMPLE_ASM);
2662 return gs->gimple_asm.nc;
2665 /* Return the number of label operands for GIMPLE_ASM GS. */
2667 static inline unsigned
2668 gimple_asm_nlabels (const_gimple gs)
2670 GIMPLE_CHECK (gs, GIMPLE_ASM);
2671 return gs->gimple_asm.nl;
2674 /* Return input operand INDEX of GIMPLE_ASM GS. */
2677 gimple_asm_input_op (const_gimple gs, unsigned index)
2679 GIMPLE_CHECK (gs, GIMPLE_ASM);
2680 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni);
2681 return gimple_op (gs, index);
2684 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */
2686 static inline tree *
2687 gimple_asm_input_op_ptr (const_gimple gs, unsigned index)
2689 GIMPLE_CHECK (gs, GIMPLE_ASM);
2690 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni);
2691 return gimple_op_ptr (gs, index);
2695 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */
2698 gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op)
2700 GIMPLE_CHECK (gs, GIMPLE_ASM);
2701 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni
2702 && TREE_CODE (in_op) == TREE_LIST);
2703 gimple_set_op (gs, index, in_op);
2707 /* Return output operand INDEX of GIMPLE_ASM GS. */
2710 gimple_asm_output_op (const_gimple gs, unsigned index)
2712 GIMPLE_CHECK (gs, GIMPLE_ASM);
2713 gcc_gimple_checking_assert (index <= gs->gimple_asm.no);
2714 return gimple_op (gs, index + gs->gimple_asm.ni);
2717 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */
2719 static inline tree *
2720 gimple_asm_output_op_ptr (const_gimple gs, unsigned index)
2722 GIMPLE_CHECK (gs, GIMPLE_ASM);
2723 gcc_gimple_checking_assert (index <= gs->gimple_asm.no);
2724 return gimple_op_ptr (gs, index + gs->gimple_asm.ni);
2728 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */
2731 gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op)
2733 GIMPLE_CHECK (gs, GIMPLE_ASM);
2734 gcc_gimple_checking_assert (index <= gs->gimple_asm.no
2735 && TREE_CODE (out_op) == TREE_LIST);
2736 gimple_set_op (gs, index + gs->gimple_asm.ni, out_op);
2740 /* Return clobber operand INDEX of GIMPLE_ASM GS. */
2743 gimple_asm_clobber_op (const_gimple gs, unsigned index)
2745 GIMPLE_CHECK (gs, GIMPLE_ASM);
2746 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc);
2747 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no);
2751 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */
2754 gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op)
2756 GIMPLE_CHECK (gs, GIMPLE_ASM);
2757 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc
2758 && TREE_CODE (clobber_op) == TREE_LIST);
2759 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op);
2762 /* Return label operand INDEX of GIMPLE_ASM GS. */
2765 gimple_asm_label_op (const_gimple gs, unsigned index)
2767 GIMPLE_CHECK (gs, GIMPLE_ASM);
2768 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl);
2769 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc);
2772 /* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS. */
2775 gimple_asm_set_label_op (gimple gs, unsigned index, tree label_op)
2777 GIMPLE_CHECK (gs, GIMPLE_ASM);
2778 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl
2779 && TREE_CODE (label_op) == TREE_LIST);
2780 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc, label_op);
2783 /* Return the string representing the assembly instruction in
2786 static inline const char *
2787 gimple_asm_string (const_gimple gs)
2789 GIMPLE_CHECK (gs, GIMPLE_ASM);
2790 return gs->gimple_asm.string;
2794 /* Return true if GS is an asm statement marked volatile. */
2797 gimple_asm_volatile_p (const_gimple gs)
2799 GIMPLE_CHECK (gs, GIMPLE_ASM);
2800 return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0;
2804 /* If VOLATLE_P is true, mark asm statement GS as volatile. */
2807 gimple_asm_set_volatile (gimple gs, bool volatile_p)
2809 GIMPLE_CHECK (gs, GIMPLE_ASM);
2811 gs->gsbase.subcode |= GF_ASM_VOLATILE;
2813 gs->gsbase.subcode &= ~GF_ASM_VOLATILE;
2817 /* If INPUT_P is true, mark asm GS as an ASM_INPUT. */
2820 gimple_asm_set_input (gimple gs, bool input_p)
2822 GIMPLE_CHECK (gs, GIMPLE_ASM);
2824 gs->gsbase.subcode |= GF_ASM_INPUT;
2826 gs->gsbase.subcode &= ~GF_ASM_INPUT;
2830 /* Return true if asm GS is an ASM_INPUT. */
2833 gimple_asm_input_p (const_gimple gs)
2835 GIMPLE_CHECK (gs, GIMPLE_ASM);
2836 return (gs->gsbase.subcode & GF_ASM_INPUT) != 0;
2840 /* Return the types handled by GIMPLE_CATCH statement GS. */
2843 gimple_catch_types (const_gimple gs)
2845 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2846 return gs->gimple_catch.types;
2850 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */
2852 static inline tree *
2853 gimple_catch_types_ptr (gimple gs)
2855 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2856 return &gs->gimple_catch.types;
2860 /* Return the GIMPLE sequence representing the body of the handler of
2861 GIMPLE_CATCH statement GS. */
2863 static inline gimple_seq
2864 gimple_catch_handler (gimple gs)
2866 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2867 return gs->gimple_catch.handler;
2871 /* Return a pointer to the GIMPLE sequence representing the body of
2872 the handler of GIMPLE_CATCH statement GS. */
2874 static inline gimple_seq *
2875 gimple_catch_handler_ptr (gimple gs)
2877 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2878 return &gs->gimple_catch.handler;
2882 /* Set T to be the set of types handled by GIMPLE_CATCH GS. */
2885 gimple_catch_set_types (gimple gs, tree t)
2887 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2888 gs->gimple_catch.types = t;
2892 /* Set HANDLER to be the body of GIMPLE_CATCH GS. */
2895 gimple_catch_set_handler (gimple gs, gimple_seq handler)
2897 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2898 gs->gimple_catch.handler = handler;
2902 /* Return the types handled by GIMPLE_EH_FILTER statement GS. */
2905 gimple_eh_filter_types (const_gimple gs)
2907 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2908 return gs->gimple_eh_filter.types;
2912 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement
2915 static inline tree *
2916 gimple_eh_filter_types_ptr (gimple gs)
2918 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2919 return &gs->gimple_eh_filter.types;
2923 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER
2926 static inline gimple_seq
2927 gimple_eh_filter_failure (gimple gs)
2929 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2930 return gs->gimple_eh_filter.failure;
2934 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */
2937 gimple_eh_filter_set_types (gimple gs, tree types)
2939 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2940 gs->gimple_eh_filter.types = types;
2944 /* Set FAILURE to be the sequence of statements to execute on failure
2945 for GIMPLE_EH_FILTER GS. */
2948 gimple_eh_filter_set_failure (gimple gs, gimple_seq failure)
2950 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2951 gs->gimple_eh_filter.failure = failure;
2954 /* Get the function decl to be called by the MUST_NOT_THROW region. */
2957 gimple_eh_must_not_throw_fndecl (gimple gs)
2959 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
2960 return gs->gimple_eh_mnt.fndecl;
2963 /* Set the function decl to be called by GS to DECL. */
2966 gimple_eh_must_not_throw_set_fndecl (gimple gs, tree decl)
2968 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
2969 gs->gimple_eh_mnt.fndecl = decl;
2973 /* GIMPLE_TRY accessors. */
2975 /* Return the kind of try block represented by GIMPLE_TRY GS. This is
2976 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */
2978 static inline enum gimple_try_flags
2979 gimple_try_kind (const_gimple gs)
2981 GIMPLE_CHECK (gs, GIMPLE_TRY);
2982 return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND);
2986 /* Set the kind of try block represented by GIMPLE_TRY GS. */
2989 gimple_try_set_kind (gimple gs, enum gimple_try_flags kind)
2991 GIMPLE_CHECK (gs, GIMPLE_TRY);
2992 gcc_gimple_checking_assert (kind == GIMPLE_TRY_CATCH
2993 || kind == GIMPLE_TRY_FINALLY);
2994 if (gimple_try_kind (gs) != kind)
2995 gs->gsbase.subcode = (unsigned int) kind;
2999 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3002 gimple_try_catch_is_cleanup (const_gimple gs)
3004 gcc_gimple_checking_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH);
3005 return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0;
3009 /* Return the sequence of statements used as the body for GIMPLE_TRY GS. */
3011 static inline gimple_seq
3012 gimple_try_eval (gimple gs)
3014 GIMPLE_CHECK (gs, GIMPLE_TRY);
3015 return gs->gimple_try.eval;
3019 /* Return the sequence of statements used as the cleanup body for
3022 static inline gimple_seq
3023 gimple_try_cleanup (gimple gs)
3025 GIMPLE_CHECK (gs, GIMPLE_TRY);
3026 return gs->gimple_try.cleanup;
3030 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3033 gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup)
3035 gcc_gimple_checking_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH);
3036 if (catch_is_cleanup)
3037 g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP;
3039 g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP;
3043 /* Set EVAL to be the sequence of statements to use as the body for
3047 gimple_try_set_eval (gimple gs, gimple_seq eval)
3049 GIMPLE_CHECK (gs, GIMPLE_TRY);
3050 gs->gimple_try.eval = eval;
3054 /* Set CLEANUP to be the sequence of statements to use as the cleanup
3055 body for GIMPLE_TRY GS. */
3058 gimple_try_set_cleanup (gimple gs, gimple_seq cleanup)
3060 GIMPLE_CHECK (gs, GIMPLE_TRY);
3061 gs->gimple_try.cleanup = cleanup;
3065 /* Return the cleanup sequence for cleanup statement GS. */
3067 static inline gimple_seq
3068 gimple_wce_cleanup (gimple gs)
3070 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3071 return gs->gimple_wce.cleanup;
3075 /* Set CLEANUP to be the cleanup sequence for GS. */
3078 gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup)
3080 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3081 gs->gimple_wce.cleanup = cleanup;
3085 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */
3088 gimple_wce_cleanup_eh_only (const_gimple gs)
3090 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3091 return gs->gsbase.subcode != 0;
3095 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */
3098 gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p)
3100 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3101 gs->gsbase.subcode = (unsigned int) eh_only_p;
3105 /* Return the maximum number of arguments supported by GIMPLE_PHI GS. */
3107 static inline unsigned
3108 gimple_phi_capacity (const_gimple gs)
3110 GIMPLE_CHECK (gs, GIMPLE_PHI);
3111 return gs->gimple_phi.capacity;
3115 /* Return the number of arguments in GIMPLE_PHI GS. This must always
3116 be exactly the number of incoming edges for the basic block holding
3119 static inline unsigned
3120 gimple_phi_num_args (const_gimple gs)
3122 GIMPLE_CHECK (gs, GIMPLE_PHI);
3123 return gs->gimple_phi.nargs;
3127 /* Return the SSA name created by GIMPLE_PHI GS. */
3130 gimple_phi_result (const_gimple gs)
3132 GIMPLE_CHECK (gs, GIMPLE_PHI);
3133 return gs->gimple_phi.result;
3136 /* Return a pointer to the SSA name created by GIMPLE_PHI GS. */
3138 static inline tree *
3139 gimple_phi_result_ptr (gimple gs)
3141 GIMPLE_CHECK (gs, GIMPLE_PHI);
3142 return &gs->gimple_phi.result;
3145 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */
3148 gimple_phi_set_result (gimple gs, tree result)
3150 GIMPLE_CHECK (gs, GIMPLE_PHI);
3151 gs->gimple_phi.result = result;
3155 /* Return the PHI argument corresponding to incoming edge INDEX for
3158 static inline struct phi_arg_d *
3159 gimple_phi_arg (gimple gs, unsigned index)
3161 GIMPLE_CHECK (gs, GIMPLE_PHI);
3162 gcc_gimple_checking_assert (index <= gs->gimple_phi.capacity);
3163 return &(gs->gimple_phi.args[index]);
3166 /* Set PHIARG to be the argument corresponding to incoming edge INDEX
3167 for GIMPLE_PHI GS. */
3170 gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg)
3172 GIMPLE_CHECK (gs, GIMPLE_PHI);
3173 gcc_gimple_checking_assert (index <= gs->gimple_phi.nargs);
3174 gs->gimple_phi.args[index] = *phiarg;
3177 /* Return the region number for GIMPLE_RESX GS. */
3180 gimple_resx_region (const_gimple gs)
3182 GIMPLE_CHECK (gs, GIMPLE_RESX);
3183 return gs->gimple_eh_ctrl.region;
3186 /* Set REGION to be the region number for GIMPLE_RESX GS. */
3189 gimple_resx_set_region (gimple gs, int region)
3191 GIMPLE_CHECK (gs, GIMPLE_RESX);
3192 gs->gimple_eh_ctrl.region = region;
3195 /* Return the region number for GIMPLE_EH_DISPATCH GS. */
3198 gimple_eh_dispatch_region (const_gimple gs)
3200 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3201 return gs->gimple_eh_ctrl.region;
3204 /* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS. */
3207 gimple_eh_dispatch_set_region (gimple gs, int region)
3209 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3210 gs->gimple_eh_ctrl.region = region;
3213 /* Return the number of labels associated with the switch statement GS. */
3215 static inline unsigned
3216 gimple_switch_num_labels (const_gimple gs)
3219 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3220 num_ops = gimple_num_ops (gs);
3221 gcc_gimple_checking_assert (num_ops > 1);
3226 /* Set NLABELS to be the number of labels for the switch statement GS. */
3229 gimple_switch_set_num_labels (gimple g, unsigned nlabels)
3231 GIMPLE_CHECK (g, GIMPLE_SWITCH);
3232 gimple_set_num_ops (g, nlabels + 1);
3236 /* Return the index variable used by the switch statement GS. */
3239 gimple_switch_index (const_gimple gs)
3241 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3242 return gimple_op (gs, 0);
3246 /* Return a pointer to the index variable for the switch statement GS. */
3248 static inline tree *
3249 gimple_switch_index_ptr (const_gimple gs)
3251 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3252 return gimple_op_ptr (gs, 0);
3256 /* Set INDEX to be the index variable for switch statement GS. */
3259 gimple_switch_set_index (gimple gs, tree index)
3261 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3262 gcc_gimple_checking_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index));
3263 gimple_set_op (gs, 0, index);
3267 /* Return the label numbered INDEX. The default label is 0, followed by any
3268 labels in a switch statement. */
3271 gimple_switch_label (const_gimple gs, unsigned index)
3273 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3274 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1);
3275 return gimple_op (gs, index + 1);
3278 /* Set the label number INDEX to LABEL. 0 is always the default label. */
3281 gimple_switch_set_label (gimple gs, unsigned index, tree label)
3283 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3284 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1
3285 && (label == NULL_TREE
3286 || TREE_CODE (label) == CASE_LABEL_EXPR));
3287 gimple_set_op (gs, index + 1, label);
3290 /* Return the default label for a switch statement. */
3293 gimple_switch_default_label (const_gimple gs)
3295 return gimple_switch_label (gs, 0);
3298 /* Set the default label for a switch statement. */
3301 gimple_switch_set_default_label (gimple gs, tree label)
3303 gimple_switch_set_label (gs, 0, label);
3306 /* Return true if GS is a GIMPLE_DEBUG statement. */
3309 is_gimple_debug (const_gimple gs)
3311 return gimple_code (gs) == GIMPLE_DEBUG;
3314 /* Return true if S is a GIMPLE_DEBUG BIND statement. */
3317 gimple_debug_bind_p (const_gimple s)
3319 if (is_gimple_debug (s))
3320 return s->gsbase.subcode == GIMPLE_DEBUG_BIND;
3325 /* Return the variable bound in a GIMPLE_DEBUG bind statement. */
3328 gimple_debug_bind_get_var (gimple dbg)
3330 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3331 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3332 return gimple_op (dbg, 0);
3335 /* Return the value bound to the variable in a GIMPLE_DEBUG bind
3339 gimple_debug_bind_get_value (gimple dbg)
3341 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3342 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3343 return gimple_op (dbg, 1);
3346 /* Return a pointer to the value bound to the variable in a
3347 GIMPLE_DEBUG bind statement. */
3349 static inline tree *
3350 gimple_debug_bind_get_value_ptr (gimple dbg)
3352 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3353 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3354 return gimple_op_ptr (dbg, 1);
3357 /* Set the variable bound in a GIMPLE_DEBUG bind statement. */
3360 gimple_debug_bind_set_var (gimple dbg, tree var)
3362 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3363 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3364 gimple_set_op (dbg, 0, var);
3367 /* Set the value bound to the variable in a GIMPLE_DEBUG bind
3371 gimple_debug_bind_set_value (gimple dbg, tree value)
3373 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3374 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3375 gimple_set_op (dbg, 1, value);
3378 /* The second operand of a GIMPLE_DEBUG_BIND, when the value was
3380 #define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */
3382 /* Remove the value bound to the variable in a GIMPLE_DEBUG bind
3386 gimple_debug_bind_reset_value (gimple dbg)
3388 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3389 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3390 gimple_set_op (dbg, 1, GIMPLE_DEBUG_BIND_NOVALUE);
3393 /* Return true if the GIMPLE_DEBUG bind statement is bound to a
3397 gimple_debug_bind_has_value_p (gimple dbg)
3399 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3400 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3401 return gimple_op (dbg, 1) != GIMPLE_DEBUG_BIND_NOVALUE;
3404 #undef GIMPLE_DEBUG_BIND_NOVALUE
3406 /* Return the body for the OMP statement GS. */
3408 static inline gimple_seq
3409 gimple_omp_body (gimple gs)
3411 return gs->omp.body;
3414 /* Set BODY to be the body for the OMP statement GS. */
3417 gimple_omp_set_body (gimple gs, gimple_seq body)
3419 gs->omp.body = body;
3423 /* Return the name associated with OMP_CRITICAL statement GS. */
3426 gimple_omp_critical_name (const_gimple gs)
3428 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3429 return gs->gimple_omp_critical.name;
3433 /* Return a pointer to the name associated with OMP critical statement GS. */
3435 static inline tree *
3436 gimple_omp_critical_name_ptr (gimple gs)
3438 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3439 return &gs->gimple_omp_critical.name;
3443 /* Set NAME to be the name associated with OMP critical statement GS. */
3446 gimple_omp_critical_set_name (gimple gs, tree name)
3448 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3449 gs->gimple_omp_critical.name = name;
3453 /* Return the clauses associated with OMP_FOR GS. */
3456 gimple_omp_for_clauses (const_gimple gs)
3458 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3459 return gs->gimple_omp_for.clauses;
3463 /* Return a pointer to the OMP_FOR GS. */
3465 static inline tree *
3466 gimple_omp_for_clauses_ptr (gimple gs)
3468 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3469 return &gs->gimple_omp_for.clauses;
3473 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */
3476 gimple_omp_for_set_clauses (gimple gs, tree clauses)
3478 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3479 gs->gimple_omp_for.clauses = clauses;
3483 /* Get the collapse count of OMP_FOR GS. */
3485 static inline size_t
3486 gimple_omp_for_collapse (gimple gs)
3488 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3489 return gs->gimple_omp_for.collapse;
3493 /* Return the index variable for OMP_FOR GS. */
3496 gimple_omp_for_index (const_gimple gs, size_t i)
3498 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3499 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3500 return gs->gimple_omp_for.iter[i].index;
3504 /* Return a pointer to the index variable for OMP_FOR GS. */
3506 static inline tree *
3507 gimple_omp_for_index_ptr (gimple gs, size_t i)
3509 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3510 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3511 return &gs->gimple_omp_for.iter[i].index;
3515 /* Set INDEX to be the index variable for OMP_FOR GS. */
3518 gimple_omp_for_set_index (gimple gs, size_t i, tree index)
3520 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3521 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3522 gs->gimple_omp_for.iter[i].index = index;
3526 /* Return the initial value for OMP_FOR GS. */
3529 gimple_omp_for_initial (const_gimple gs, size_t i)
3531 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3532 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3533 return gs->gimple_omp_for.iter[i].initial;
3537 /* Return a pointer to the initial value for OMP_FOR GS. */
3539 static inline tree *
3540 gimple_omp_for_initial_ptr (gimple gs, size_t i)
3542 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3543 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3544 return &gs->gimple_omp_for.iter[i].initial;
3548 /* Set INITIAL to be the initial value for OMP_FOR GS. */
3551 gimple_omp_for_set_initial (gimple gs, size_t i, tree initial)
3553 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3554 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3555 gs->gimple_omp_for.iter[i].initial = initial;
3559 /* Return the final value for OMP_FOR GS. */
3562 gimple_omp_for_final (const_gimple gs, size_t i)
3564 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3565 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3566 return gs->gimple_omp_for.iter[i].final;
3570 /* Return a pointer to the final value for OMP_FOR GS. */
3572 static inline tree *
3573 gimple_omp_for_final_ptr (gimple gs, size_t i)
3575 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3576 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3577 return &gs->gimple_omp_for.iter[i].final;
3581 /* Set FINAL to be the final value for OMP_FOR GS. */
3584 gimple_omp_for_set_final (gimple gs, size_t i, tree final)
3586 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3587 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3588 gs->gimple_omp_for.iter[i].final = final;
3592 /* Return the increment value for OMP_FOR GS. */
3595 gimple_omp_for_incr (const_gimple gs, size_t i)
3597 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3598 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3599 return gs->gimple_omp_for.iter[i].incr;
3603 /* Return a pointer to the increment value for OMP_FOR GS. */
3605 static inline tree *
3606 gimple_omp_for_incr_ptr (gimple gs, size_t i)
3608 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3609 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3610 return &gs->gimple_omp_for.iter[i].incr;
3614 /* Set INCR to be the increment value for OMP_FOR GS. */
3617 gimple_omp_for_set_incr (gimple gs, size_t i, tree incr)
3619 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3620 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3621 gs->gimple_omp_for.iter[i].incr = incr;
3625 /* Return the sequence of statements to execute before the OMP_FOR
3626 statement GS starts. */
3628 static inline gimple_seq
3629 gimple_omp_for_pre_body (gimple gs)
3631 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3632 return gs->gimple_omp_for.pre_body;
3636 /* Set PRE_BODY to be the sequence of statements to execute before the
3637 OMP_FOR statement GS starts. */
3640 gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body)
3642 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3643 gs->gimple_omp_for.pre_body = pre_body;
3647 /* Return the clauses associated with OMP_PARALLEL GS. */
3650 gimple_omp_parallel_clauses (const_gimple gs)
3652 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3653 return gs->gimple_omp_parallel.clauses;
3657 /* Return a pointer to the clauses associated with OMP_PARALLEL GS. */
3659 static inline tree *
3660 gimple_omp_parallel_clauses_ptr (gimple gs)
3662 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3663 return &gs->gimple_omp_parallel.clauses;
3667 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL
3671 gimple_omp_parallel_set_clauses (gimple gs, tree clauses)
3673 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3674 gs->gimple_omp_parallel.clauses = clauses;
3678 /* Return the child function used to hold the body of OMP_PARALLEL GS. */
3681 gimple_omp_parallel_child_fn (const_gimple gs)
3683 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3684 return gs->gimple_omp_parallel.child_fn;
3687 /* Return a pointer to the child function used to hold the body of
3690 static inline tree *
3691 gimple_omp_parallel_child_fn_ptr (gimple gs)
3693 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3694 return &gs->gimple_omp_parallel.child_fn;
3698 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */
3701 gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn)
3703 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3704 gs->gimple_omp_parallel.child_fn = child_fn;
3708 /* Return the artificial argument used to send variables and values
3709 from the parent to the children threads in OMP_PARALLEL GS. */
3712 gimple_omp_parallel_data_arg (const_gimple gs)
3714 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3715 return gs->gimple_omp_parallel.data_arg;
3719 /* Return a pointer to the data argument for OMP_PARALLEL GS. */
3721 static inline tree *
3722 gimple_omp_parallel_data_arg_ptr (gimple gs)
3724 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3725 return &gs->gimple_omp_parallel.data_arg;
3729 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */
3732 gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg)
3734 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3735 gs->gimple_omp_parallel.data_arg = data_arg;
3739 /* Return the clauses associated with OMP_TASK GS. */
3742 gimple_omp_task_clauses (const_gimple gs)
3744 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3745 return gs->gimple_omp_parallel.clauses;
3749 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3751 static inline tree *
3752 gimple_omp_task_clauses_ptr (gimple gs)
3754 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3755 return &gs->gimple_omp_parallel.clauses;
3759 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3763 gimple_omp_task_set_clauses (gimple gs, tree clauses)
3765 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3766 gs->gimple_omp_parallel.clauses = clauses;
3770 /* Return the child function used to hold the body of OMP_TASK GS. */
3773 gimple_omp_task_child_fn (const_gimple gs)
3775 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3776 return gs->gimple_omp_parallel.child_fn;
3779 /* Return a pointer to the child function used to hold the body of
3782 static inline tree *
3783 gimple_omp_task_child_fn_ptr (gimple gs)
3785 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3786 return &gs->gimple_omp_parallel.child_fn;
3790 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3793 gimple_omp_task_set_child_fn (gimple gs, tree child_fn)
3795 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3796 gs->gimple_omp_parallel.child_fn = child_fn;
3800 /* Return the artificial argument used to send variables and values
3801 from the parent to the children threads in OMP_TASK GS. */
3804 gimple_omp_task_data_arg (const_gimple gs)
3806 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3807 return gs->gimple_omp_parallel.data_arg;
3811 /* Return a pointer to the data argument for OMP_TASK GS. */
3813 static inline tree *
3814 gimple_omp_task_data_arg_ptr (gimple gs)
3816 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3817 return &gs->gimple_omp_parallel.data_arg;
3821 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3824 gimple_omp_task_set_data_arg (gimple gs, tree data_arg)
3826 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3827 gs->gimple_omp_parallel.data_arg = data_arg;
3831 /* Return the clauses associated with OMP_TASK GS. */
3834 gimple_omp_taskreg_clauses (const_gimple gs)
3836 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3837 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3838 return gs->gimple_omp_parallel.clauses;
3842 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3844 static inline tree *
3845 gimple_omp_taskreg_clauses_ptr (gimple gs)
3847 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3848 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3849 return &gs->gimple_omp_parallel.clauses;
3853 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3857 gimple_omp_taskreg_set_clauses (gimple gs, tree clauses)
3859 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3860 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3861 gs->gimple_omp_parallel.clauses = clauses;
3865 /* Return the child function used to hold the body of OMP_TASK GS. */
3868 gimple_omp_taskreg_child_fn (const_gimple gs)
3870 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3871 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3872 return gs->gimple_omp_parallel.child_fn;
3875 /* Return a pointer to the child function used to hold the body of
3878 static inline tree *
3879 gimple_omp_taskreg_child_fn_ptr (gimple gs)
3881 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3882 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3883 return &gs->gimple_omp_parallel.child_fn;
3887 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3890 gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn)
3892 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3893 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3894 gs->gimple_omp_parallel.child_fn = child_fn;
3898 /* Return the artificial argument used to send variables and values
3899 from the parent to the children threads in OMP_TASK GS. */
3902 gimple_omp_taskreg_data_arg (const_gimple gs)
3904 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3905 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3906 return gs->gimple_omp_parallel.data_arg;
3910 /* Return a pointer to the data argument for OMP_TASK GS. */
3912 static inline tree *
3913 gimple_omp_taskreg_data_arg_ptr (gimple gs)
3915 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3916 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3917 return &gs->gimple_omp_parallel.data_arg;
3921 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3924 gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg)
3926 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3927 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3928 gs->gimple_omp_parallel.data_arg = data_arg;
3932 /* Return the copy function used to hold the body of OMP_TASK GS. */
3935 gimple_omp_task_copy_fn (const_gimple gs)
3937 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3938 return gs->gimple_omp_task.copy_fn;
3941 /* Return a pointer to the copy function used to hold the body of
3944 static inline tree *
3945 gimple_omp_task_copy_fn_ptr (gimple gs)
3947 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3948 return &gs->gimple_omp_task.copy_fn;
3952 /* Set CHILD_FN to be the copy function for OMP_TASK GS. */
3955 gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn)
3957 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3958 gs->gimple_omp_task.copy_fn = copy_fn;
3962 /* Return size of the data block in bytes in OMP_TASK GS. */
3965 gimple_omp_task_arg_size (const_gimple gs)
3967 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3968 return gs->gimple_omp_task.arg_size;
3972 /* Return a pointer to the data block size for OMP_TASK GS. */
3974 static inline tree *
3975 gimple_omp_task_arg_size_ptr (gimple gs)
3977 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3978 return &gs->gimple_omp_task.arg_size;
3982 /* Set ARG_SIZE to be the data block size for OMP_TASK GS. */
3985 gimple_omp_task_set_arg_size (gimple gs, tree arg_size)
3987 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3988 gs->gimple_omp_task.arg_size = arg_size;
3992 /* Return align of the data block in bytes in OMP_TASK GS. */
3995 gimple_omp_task_arg_align (const_gimple gs)
3997 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3998 return gs->gimple_omp_task.arg_align;
4002 /* Return a pointer to the data block align for OMP_TASK GS. */
4004 static inline tree *
4005 gimple_omp_task_arg_align_ptr (gimple gs)
4007 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4008 return &gs->gimple_omp_task.arg_align;
4012 /* Set ARG_SIZE to be the data block align for OMP_TASK GS. */
4015 gimple_omp_task_set_arg_align (gimple gs, tree arg_align)
4017 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4018 gs->gimple_omp_task.arg_align = arg_align;
4022 /* Return the clauses associated with OMP_SINGLE GS. */
4025 gimple_omp_single_clauses (const_gimple gs)
4027 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4028 return gs->gimple_omp_single.clauses;
4032 /* Return a pointer to the clauses associated with OMP_SINGLE GS. */
4034 static inline tree *
4035 gimple_omp_single_clauses_ptr (gimple gs)
4037 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4038 return &gs->gimple_omp_single.clauses;
4042 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */
4045 gimple_omp_single_set_clauses (gimple gs, tree clauses)
4047 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4048 gs->gimple_omp_single.clauses = clauses;
4052 /* Return the clauses associated with OMP_SECTIONS GS. */
4055 gimple_omp_sections_clauses (const_gimple gs)
4057 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4058 return gs->gimple_omp_sections.clauses;
4062 /* Return a pointer to the clauses associated with OMP_SECTIONS GS. */
4064 static inline tree *
4065 gimple_omp_sections_clauses_ptr (gimple gs)
4067 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4068 return &gs->gimple_omp_sections.clauses;
4072 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS
4076 gimple_omp_sections_set_clauses (gimple gs, tree clauses)
4078 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4079 gs->gimple_omp_sections.clauses = clauses;
4083 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS
4087 gimple_omp_sections_control (const_gimple gs)
4089 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4090 return gs->gimple_omp_sections.control;
4094 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS
4097 static inline tree *
4098 gimple_omp_sections_control_ptr (gimple gs)
4100 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4101 return &gs->gimple_omp_sections.control;
4105 /* Set CONTROL to be the set of clauses associated with the
4106 GIMPLE_OMP_SECTIONS in GS. */
4109 gimple_omp_sections_set_control (gimple gs, tree control)
4111 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4112 gs->gimple_omp_sections.control = control;
4116 /* Set COND to be the condition code for OMP_FOR GS. */
4119 gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond)
4121 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4122 gcc_gimple_checking_assert (TREE_CODE_CLASS (cond) == tcc_comparison
4123 && i < gs->gimple_omp_for.collapse);
4124 gs->gimple_omp_for.iter[i].cond = cond;
4128 /* Return the condition code associated with OMP_FOR GS. */
4130 static inline enum tree_code
4131 gimple_omp_for_cond (const_gimple gs, size_t i)
4133 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4134 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
4135 return gs->gimple_omp_for.iter[i].cond;
4139 /* Set the value being stored in an atomic store. */
4142 gimple_omp_atomic_store_set_val (gimple g, tree val)
4144 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4145 g->gimple_omp_atomic_store.val = val;
4149 /* Return the value being stored in an atomic store. */
4152 gimple_omp_atomic_store_val (const_gimple g)
4154 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4155 return g->gimple_omp_atomic_store.val;
4159 /* Return a pointer to the value being stored in an atomic store. */
4161 static inline tree *
4162 gimple_omp_atomic_store_val_ptr (gimple g)
4164 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4165 return &g->gimple_omp_atomic_store.val;
4169 /* Set the LHS of an atomic load. */
4172 gimple_omp_atomic_load_set_lhs (gimple g, tree lhs)
4174 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4175 g->gimple_omp_atomic_load.lhs = lhs;
4179 /* Get the LHS of an atomic load. */
4182 gimple_omp_atomic_load_lhs (const_gimple g)
4184 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4185 return g->gimple_omp_atomic_load.lhs;
4189 /* Return a pointer to the LHS of an atomic load. */
4191 static inline tree *
4192 gimple_omp_atomic_load_lhs_ptr (gimple g)
4194 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4195 return &g->gimple_omp_atomic_load.lhs;
4199 /* Set the RHS of an atomic load. */
4202 gimple_omp_atomic_load_set_rhs (gimple g, tree rhs)
4204 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4205 g->gimple_omp_atomic_load.rhs = rhs;
4209 /* Get the RHS of an atomic load. */
4212 gimple_omp_atomic_load_rhs (const_gimple g)
4214 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4215 return g->gimple_omp_atomic_load.rhs;
4219 /* Return a pointer to the RHS of an atomic load. */
4221 static inline tree *
4222 gimple_omp_atomic_load_rhs_ptr (gimple g)
4224 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4225 return &g->gimple_omp_atomic_load.rhs;
4229 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4232 gimple_omp_continue_control_def (const_gimple g)
4234 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4235 return g->gimple_omp_continue.control_def;
4238 /* The same as above, but return the address. */
4240 static inline tree *
4241 gimple_omp_continue_control_def_ptr (gimple g)
4243 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4244 return &g->gimple_omp_continue.control_def;
4247 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4250 gimple_omp_continue_set_control_def (gimple g, tree def)
4252 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4253 g->gimple_omp_continue.control_def = def;
4257 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4260 gimple_omp_continue_control_use (const_gimple g)
4262 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4263 return g->gimple_omp_continue.control_use;
4267 /* The same as above, but return the address. */
4269 static inline tree *
4270 gimple_omp_continue_control_use_ptr (gimple g)
4272 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4273 return &g->gimple_omp_continue.control_use;
4277 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4280 gimple_omp_continue_set_control_use (gimple g, tree use)
4282 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4283 g->gimple_omp_continue.control_use = use;
4287 /* Return a pointer to the return value for GIMPLE_RETURN GS. */
4289 static inline tree *
4290 gimple_return_retval_ptr (const_gimple gs)
4292 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4293 return gimple_op_ptr (gs, 0);
4296 /* Return the return value for GIMPLE_RETURN GS. */
4299 gimple_return_retval (const_gimple gs)
4301 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4302 return gimple_op (gs, 0);
4306 /* Set RETVAL to be the return value for GIMPLE_RETURN GS. */
4309 gimple_return_set_retval (gimple gs, tree retval)
4311 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4312 gimple_set_op (gs, 0, retval);
4316 /* Returns true when the gimple statment STMT is any of the OpenMP types. */
4318 #define CASE_GIMPLE_OMP \
4319 case GIMPLE_OMP_PARALLEL: \
4320 case GIMPLE_OMP_TASK: \
4321 case GIMPLE_OMP_FOR: \
4322 case GIMPLE_OMP_SECTIONS: \
4323 case GIMPLE_OMP_SECTIONS_SWITCH: \
4324 case GIMPLE_OMP_SINGLE: \
4325 case GIMPLE_OMP_SECTION: \
4326 case GIMPLE_OMP_MASTER: \
4327 case GIMPLE_OMP_ORDERED: \
4328 case GIMPLE_OMP_CRITICAL: \
4329 case GIMPLE_OMP_RETURN: \
4330 case GIMPLE_OMP_ATOMIC_LOAD: \
4331 case GIMPLE_OMP_ATOMIC_STORE: \
4332 case GIMPLE_OMP_CONTINUE
4335 is_gimple_omp (const_gimple stmt)
4337 switch (gimple_code (stmt))
4347 /* Returns TRUE if statement G is a GIMPLE_NOP. */
4350 gimple_nop_p (const_gimple g)
4352 return gimple_code (g) == GIMPLE_NOP;
4356 /* Return true if GS is a GIMPLE_RESX. */
4359 is_gimple_resx (const_gimple gs)
4361 return gimple_code (gs) == GIMPLE_RESX;
4364 /* Return the predictor of GIMPLE_PREDICT statement GS. */
4366 static inline enum br_predictor
4367 gimple_predict_predictor (gimple gs)
4369 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4370 return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN);
4374 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */
4377 gimple_predict_set_predictor (gimple gs, enum br_predictor predictor)
4379 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4380 gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN)
4381 | (unsigned) predictor;
4385 /* Return the outcome of GIMPLE_PREDICT statement GS. */
4387 static inline enum prediction
4388 gimple_predict_outcome (gimple gs)
4390 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4391 return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN;
4395 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */
4398 gimple_predict_set_outcome (gimple gs, enum prediction outcome)
4400 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4401 if (outcome == TAKEN)
4402 gs->gsbase.subcode |= GF_PREDICT_TAKEN;
4404 gs->gsbase.subcode &= ~GF_PREDICT_TAKEN;
4408 /* Return the type of the main expression computed by STMT. Return
4409 void_type_node if the statement computes nothing. */
4412 gimple_expr_type (const_gimple stmt)
4414 enum gimple_code code = gimple_code (stmt);
4416 if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL)
4419 /* In general we want to pass out a type that can be substituted
4420 for both the RHS and the LHS types if there is a possibly
4421 useless conversion involved. That means returning the
4422 original RHS type as far as we can reconstruct it. */
4423 if (code == GIMPLE_CALL)
4424 type = gimple_call_return_type (stmt);
4426 switch (gimple_assign_rhs_code (stmt))
4428 case POINTER_PLUS_EXPR:
4429 type = TREE_TYPE (gimple_assign_rhs1 (stmt));
4433 /* As fallback use the type of the LHS. */
4434 type = TREE_TYPE (gimple_get_lhs (stmt));
4439 else if (code == GIMPLE_COND)
4440 return boolean_type_node;
4442 return void_type_node;
4446 /* Return a new iterator pointing to GIMPLE_SEQ's first statement. */
4448 static inline gimple_stmt_iterator
4449 gsi_start (gimple_seq seq)
4451 gimple_stmt_iterator i;
4453 i.ptr = gimple_seq_first (seq);
4455 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4461 /* Return a new iterator pointing to the first statement in basic block BB. */
4463 static inline gimple_stmt_iterator
4464 gsi_start_bb (basic_block bb)
4466 gimple_stmt_iterator i;
4470 i.ptr = gimple_seq_first (seq);
4478 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */
4480 static inline gimple_stmt_iterator
4481 gsi_last (gimple_seq seq)
4483 gimple_stmt_iterator i;
4485 i.ptr = gimple_seq_last (seq);
4487 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4493 /* Return a new iterator pointing to the last statement in basic block BB. */
4495 static inline gimple_stmt_iterator
4496 gsi_last_bb (basic_block bb)
4498 gimple_stmt_iterator i;
4502 i.ptr = gimple_seq_last (seq);
4510 /* Return true if I is at the end of its sequence. */
4513 gsi_end_p (gimple_stmt_iterator i)
4515 return i.ptr == NULL;
4519 /* Return true if I is one statement before the end of its sequence. */
4522 gsi_one_before_end_p (gimple_stmt_iterator i)
4524 return i.ptr != NULL && i.ptr->next == NULL;
4528 /* Advance the iterator to the next gimple statement. */
4531 gsi_next (gimple_stmt_iterator *i)
4533 i->ptr = i->ptr->next;
4536 /* Advance the iterator to the previous gimple statement. */
4539 gsi_prev (gimple_stmt_iterator *i)
4541 i->ptr = i->ptr->prev;
4544 /* Return the current stmt. */
4546 static inline gimple
4547 gsi_stmt (gimple_stmt_iterator i)
4552 /* Return a block statement iterator that points to the first non-label
4553 statement in block BB. */
4555 static inline gimple_stmt_iterator
4556 gsi_after_labels (basic_block bb)
4558 gimple_stmt_iterator gsi = gsi_start_bb (bb);
4560 while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL)
4566 /* Advance the iterator to the next non-debug gimple statement. */
4569 gsi_next_nondebug (gimple_stmt_iterator *i)
4575 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4578 /* Advance the iterator to the next non-debug gimple statement. */
4581 gsi_prev_nondebug (gimple_stmt_iterator *i)
4587 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4590 /* Return a new iterator pointing to the first non-debug statement in
4593 static inline gimple_stmt_iterator
4594 gsi_start_nondebug_bb (basic_block bb)
4596 gimple_stmt_iterator i = gsi_start_bb (bb);
4598 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
4599 gsi_next_nondebug (&i);
4604 /* Return a new iterator pointing to the last non-debug statement in
4607 static inline gimple_stmt_iterator
4608 gsi_last_nondebug_bb (basic_block bb)
4610 gimple_stmt_iterator i = gsi_last_bb (bb);
4612 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
4613 gsi_prev_nondebug (&i);
4618 /* Return a pointer to the current stmt.
4620 NOTE: You may want to use gsi_replace on the iterator itself,
4621 as this performs additional bookkeeping that will not be done
4622 if you simply assign through a pointer returned by gsi_stmt_ptr. */
4624 static inline gimple *
4625 gsi_stmt_ptr (gimple_stmt_iterator *i)
4627 return &i->ptr->stmt;
4631 /* Return the basic block associated with this iterator. */
4633 static inline basic_block
4634 gsi_bb (gimple_stmt_iterator i)
4640 /* Return the sequence associated with this iterator. */
4642 static inline gimple_seq
4643 gsi_seq (gimple_stmt_iterator i)
4649 enum gsi_iterator_update
4651 GSI_NEW_STMT, /* Only valid when single statement is added, move
4653 GSI_SAME_STMT, /* Leave the iterator at the same statement. */
4654 GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable
4655 for linking other statements in the same
4659 /* In gimple-iterator.c */
4660 gimple_stmt_iterator gsi_start_phis (basic_block);
4661 gimple_seq gsi_split_seq_after (gimple_stmt_iterator);
4662 gimple_seq gsi_split_seq_before (gimple_stmt_iterator *);
4663 void gsi_replace (gimple_stmt_iterator *, gimple, bool);
4664 void gsi_insert_before (gimple_stmt_iterator *, gimple,
4665 enum gsi_iterator_update);
4666 void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple,
4667 enum gsi_iterator_update);
4668 void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq,
4669 enum gsi_iterator_update);
4670 void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq,
4671 enum gsi_iterator_update);
4672 void gsi_insert_after (gimple_stmt_iterator *, gimple,
4673 enum gsi_iterator_update);
4674 void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple,
4675 enum gsi_iterator_update);
4676 void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq,
4677 enum gsi_iterator_update);
4678 void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq,
4679 enum gsi_iterator_update);
4680 void gsi_remove (gimple_stmt_iterator *, bool);
4681 gimple_stmt_iterator gsi_for_stmt (gimple);
4682 void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *);
4683 void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *);
4684 void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *);
4685 void gsi_insert_on_edge (edge, gimple);
4686 void gsi_insert_seq_on_edge (edge, gimple_seq);
4687 basic_block gsi_insert_on_edge_immediate (edge, gimple);
4688 basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq);
4689 void gsi_commit_one_edge_insert (edge, basic_block *);
4690 void gsi_commit_edge_inserts (void);
4691 gimple gimple_call_copy_skip_args (gimple, bitmap);
4694 /* Convenience routines to walk all statements of a gimple function.
4695 Note that this is useful exclusively before the code is converted
4696 into SSA form. Once the program is in SSA form, the standard
4697 operand interface should be used to analyze/modify statements. */
4698 struct walk_stmt_info
4700 /* Points to the current statement being walked. */
4701 gimple_stmt_iterator gsi;
4703 /* Additional data that the callback functions may want to carry
4704 through the recursion. */
4707 /* Pointer map used to mark visited tree nodes when calling
4708 walk_tree on each operand. If set to NULL, duplicate tree nodes
4709 will be visited more than once. */
4710 struct pointer_set_t *pset;
4712 /* Indicates whether the operand being examined may be replaced
4713 with something that matches is_gimple_val (if true) or something
4714 slightly more complicated (if false). "Something" technically
4715 means the common subset of is_gimple_lvalue and is_gimple_rhs,
4716 but we never try to form anything more complicated than that, so
4717 we don't bother checking.
4719 Also note that CALLBACK should update this flag while walking the
4720 sub-expressions of a statement. For instance, when walking the
4721 statement 'foo (&var)', the flag VAL_ONLY will initially be set
4722 to true, however, when walking &var, the operand of that
4723 ADDR_EXPR does not need to be a GIMPLE value. */
4726 /* True if we are currently walking the LHS of an assignment. */
4729 /* Optional. Set to true by the callback functions if they made any
4733 /* True if we're interested in location information. */
4734 bool want_locations;
4736 /* Operand returned by the callbacks. This is set when calling
4737 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback
4738 returns non-NULL, this field will contain the tree returned by
4739 the last callback. */
4740 tree callback_result;
4743 /* Callback for walk_gimple_stmt. Called for every statement found
4744 during traversal. The first argument points to the statement to
4745 walk. The second argument is a flag that the callback sets to
4746 'true' if it the callback handled all the operands and
4747 sub-statements of the statement (the default value of this flag is
4748 'false'). The third argument is an anonymous pointer to data
4749 to be used by the callback. */
4750 typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *,
4751 struct walk_stmt_info *);
4753 gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn,
4754 struct walk_stmt_info *);
4755 tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn,
4756 struct walk_stmt_info *);
4757 tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *);
4759 #ifdef GATHER_STATISTICS
4760 /* Enum and arrays used for allocation stats. Keep in sync with
4761 gimple.c:gimple_alloc_kind_names. */
4762 enum gimple_alloc_kind
4764 gimple_alloc_kind_assign, /* Assignments. */
4765 gimple_alloc_kind_phi, /* PHI nodes. */
4766 gimple_alloc_kind_cond, /* Conditionals. */
4767 gimple_alloc_kind_seq, /* Sequences. */
4768 gimple_alloc_kind_rest, /* Everything else. */
4769 gimple_alloc_kind_all
4772 extern int gimple_alloc_counts[];
4773 extern int gimple_alloc_sizes[];
4775 /* Return the allocation kind for a given stmt CODE. */
4776 static inline enum gimple_alloc_kind
4777 gimple_alloc_kind (enum gimple_code code)
4782 return gimple_alloc_kind_assign;
4784 return gimple_alloc_kind_phi;
4786 return gimple_alloc_kind_cond;
4788 return gimple_alloc_kind_rest;
4791 #endif /* GATHER_STATISTICS */
4793 extern void dump_gimple_statistics (void);
4795 /* In gimple-fold.c. */
4796 void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree);
4797 tree gimple_fold_builtin (gimple);
4798 bool fold_stmt (gimple_stmt_iterator *);
4799 bool fold_stmt_inplace (gimple);
4800 tree maybe_fold_offset_to_reference (location_t, tree, tree, tree);
4801 tree maybe_fold_offset_to_address (location_t, tree, tree, tree);
4802 tree maybe_fold_stmt_addition (location_t, tree, tree, tree);
4803 tree get_symbol_constant_value (tree);
4804 bool may_propagate_address_into_dereference (tree, tree);
4805 extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree,
4806 enum tree_code, tree, tree);
4807 extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree,
4808 enum tree_code, tree, tree);
4810 #endif /* GCC_GIMPLE_H */