1 /* Gimple IR definitions.
3 Copyright 2007, 2008, 2009 Free Software Foundation, Inc.
4 Contributed by Aldy Hernandez <aldyh@redhat.com>
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 3, or (at your option) any later
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
25 #include "pointer-set.h"
29 #include "hard-reg-set.h"
30 #include "basic-block.h"
31 #include "tree-ssa-operands.h"
34 DEF_VEC_ALLOC_P(gimple
,heap
);
35 DEF_VEC_ALLOC_P(gimple
,gc
);
37 typedef gimple
*gimple_p
;
39 DEF_VEC_ALLOC_P(gimple_p
,heap
);
41 DEF_VEC_P(gimple_seq
);
42 DEF_VEC_ALLOC_P(gimple_seq
,gc
);
43 DEF_VEC_ALLOC_P(gimple_seq
,heap
);
45 /* For each block, the PHI nodes that need to be rewritten are stored into
47 typedef VEC(gimple
, heap
) *gimple_vec
;
48 DEF_VEC_P (gimple_vec
);
49 DEF_VEC_ALLOC_P (gimple_vec
, heap
);
52 #define DEFGSCODE(SYM, STRING, STRUCT) SYM,
55 LAST_AND_UNUSED_GIMPLE_CODE
58 extern const char *const gimple_code_name
[];
59 extern const unsigned char gimple_rhs_class_table
[];
61 /* Error out if a gimple tuple is addressed incorrectly. */
62 #if defined ENABLE_GIMPLE_CHECKING
63 extern void gimple_check_failed (const_gimple
, const char *, int, \
64 const char *, enum gimple_code
, \
65 enum tree_code
) ATTRIBUTE_NORETURN
;
67 #define GIMPLE_CHECK(GS, CODE) \
69 const_gimple __gs = (GS); \
70 if (gimple_code (__gs) != (CODE)) \
71 gimple_check_failed (__gs, __FILE__, __LINE__, __FUNCTION__, \
72 (CODE), ERROR_MARK); \
74 #else /* not ENABLE_GIMPLE_CHECKING */
75 #define GIMPLE_CHECK(GS, CODE) (void)0
78 /* Class of GIMPLE expressions suitable for the RHS of assignments. See
79 get_gimple_rhs_class. */
82 GIMPLE_INVALID_RHS
, /* The expression cannot be used on the RHS. */
83 GIMPLE_BINARY_RHS
, /* The expression is a binary operation. */
84 GIMPLE_UNARY_RHS
, /* The expression is a unary operation. */
85 GIMPLE_SINGLE_RHS
/* The expression is a single object (an SSA
86 name, a _DECL, a _REF, etc. */
89 /* Specific flags for individual GIMPLE statements. These flags are
90 always stored in gimple_statement_base.subcode and they may only be
91 defined for statement codes that do not use sub-codes.
93 Values for the masks can overlap as long as the overlapping values
94 are never used in the same statement class.
96 The maximum mask value that can be defined is 1 << 15 (i.e., each
97 statement code can hold up to 16 bitflags).
99 Keep this list sorted. */
101 GF_ASM_INPUT
= 1 << 0,
102 GF_ASM_VOLATILE
= 1 << 1,
103 GF_CALL_CANNOT_INLINE
= 1 << 0,
104 GF_CALL_FROM_THUNK
= 1 << 1,
105 GF_CALL_RETURN_SLOT_OPT
= 1 << 2,
106 GF_CALL_TAILCALL
= 1 << 3,
107 GF_CALL_VA_ARG_PACK
= 1 << 4,
108 GF_OMP_PARALLEL_COMBINED
= 1 << 0,
110 /* True on an GIMPLE_OMP_RETURN statement if the return does not require
111 a thread synchronization via some sort of barrier. The exact barrier
112 that would otherwise be emitted is dependent on the OMP statement with
113 which this return is associated. */
114 GF_OMP_RETURN_NOWAIT
= 1 << 0,
116 GF_OMP_SECTION_LAST
= 1 << 0,
117 GF_PREDICT_TAKEN
= 1 << 15
120 /* Currently, there's only one type of gimple debug stmt. Others are
121 envisioned, for example, to enable the generation of is_stmt notes
122 in line number information, to mark sequence points, etc. This
123 subcode is to be used to tell them apart. */
124 enum gimple_debug_subcode
{
125 GIMPLE_DEBUG_BIND
= 0
128 /* Masks for selecting a pass local flag (PLF) to work on. These
129 masks are used by gimple_set_plf and gimple_plf. */
135 /* A node in a gimple_seq_d. */
136 struct GTY((chain_next ("%h.next"), chain_prev ("%h.prev"))) gimple_seq_node_d
{
138 struct gimple_seq_node_d
*prev
;
139 struct gimple_seq_node_d
*next
;
142 /* A double-linked sequence of gimple statements. */
143 struct GTY ((chain_next ("%h.next_free"))) gimple_seq_d
{
144 /* First and last statements in the sequence. */
145 gimple_seq_node first
;
146 gimple_seq_node last
;
148 /* Sequences are created/destroyed frequently. To minimize
149 allocation activity, deallocated sequences are kept in a pool of
150 available sequences. This is the pointer to the next free
151 sequence in the pool. */
152 gimple_seq next_free
;
156 /* Return the first node in GIMPLE sequence S. */
158 static inline gimple_seq_node
159 gimple_seq_first (const_gimple_seq s
)
161 return s
? s
->first
: NULL
;
165 /* Return the first statement in GIMPLE sequence S. */
168 gimple_seq_first_stmt (const_gimple_seq s
)
170 gimple_seq_node n
= gimple_seq_first (s
);
171 return (n
) ? n
->stmt
: NULL
;
175 /* Return the last node in GIMPLE sequence S. */
177 static inline gimple_seq_node
178 gimple_seq_last (const_gimple_seq s
)
180 return s
? s
->last
: NULL
;
184 /* Return the last statement in GIMPLE sequence S. */
187 gimple_seq_last_stmt (const_gimple_seq s
)
189 gimple_seq_node n
= gimple_seq_last (s
);
190 return (n
) ? n
->stmt
: NULL
;
194 /* Set the last node in GIMPLE sequence S to LAST. */
197 gimple_seq_set_last (gimple_seq s
, gimple_seq_node last
)
203 /* Set the first node in GIMPLE sequence S to FIRST. */
206 gimple_seq_set_first (gimple_seq s
, gimple_seq_node first
)
212 /* Return true if GIMPLE sequence S is empty. */
215 gimple_seq_empty_p (const_gimple_seq s
)
217 return s
== NULL
|| s
->first
== NULL
;
221 void gimple_seq_add_stmt (gimple_seq
*, gimple
);
223 /* Allocate a new sequence and initialize its first element with STMT. */
225 static inline gimple_seq
226 gimple_seq_alloc_with_stmt (gimple stmt
)
228 gimple_seq seq
= NULL
;
229 gimple_seq_add_stmt (&seq
, stmt
);
234 /* Returns the sequence of statements in BB. */
236 static inline gimple_seq
237 bb_seq (const_basic_block bb
)
239 return (!(bb
->flags
& BB_RTL
) && bb
->il
.gimple
) ? bb
->il
.gimple
->seq
: NULL
;
243 /* Sets the sequence of statements in BB to SEQ. */
246 set_bb_seq (basic_block bb
, gimple_seq seq
)
248 gcc_assert (!(bb
->flags
& BB_RTL
));
249 bb
->il
.gimple
->seq
= seq
;
252 /* Iterator object for GIMPLE statement sequences. */
256 /* Sequence node holding the current statement. */
259 /* Sequence and basic block holding the statement. These fields
260 are necessary to handle edge cases such as when statement is
261 added to an empty basic block or when the last statement of a
262 block/sequence is removed. */
265 } gimple_stmt_iterator
;
268 /* Data structure definitions for GIMPLE tuples. NOTE: word markers
269 are for 64 bit hosts. */
271 struct GTY(()) gimple_statement_base
{
273 Main identifying code for a tuple. */
274 ENUM_BITFIELD(gimple_code
) code
: 8;
276 /* Nonzero if a warning should not be emitted on this tuple. */
277 unsigned int no_warning
: 1;
279 /* Nonzero if this tuple has been visited. Passes are responsible
280 for clearing this bit before using it. */
281 unsigned int visited
: 1;
283 /* Nonzero if this tuple represents a non-temporal move. */
284 unsigned int nontemporal_move
: 1;
286 /* Pass local flags. These flags are free for any pass to use as
287 they see fit. Passes should not assume that these flags contain
288 any useful value when the pass starts. Any initial state that
289 the pass requires should be set on entry to the pass. See
290 gimple_set_plf and gimple_plf for usage. */
291 unsigned int plf
: 2;
293 /* Nonzero if this statement has been modified and needs to have its
294 operands rescanned. */
295 unsigned modified
: 1;
297 /* Nonzero if this statement contains volatile operands. */
298 unsigned has_volatile_ops
: 1;
300 /* Padding to get subcode to 16 bit alignment. */
303 /* The SUBCODE field can be used for tuple-specific flags for tuples
304 that do not require subcodes. Note that SUBCODE should be at
305 least as wide as tree codes, as several tuples store tree codes
307 unsigned int subcode
: 16;
309 /* UID of this statement. This is used by passes that want to
310 assign IDs to statements. It must be assigned and used by each
311 pass. By default it should be assumed to contain garbage. */
315 Locus information for debug info. */
318 /* Number of operands in this tuple. */
322 Basic block holding this statement. */
323 struct basic_block_def
*bb
;
326 Lexical block holding this statement. */
331 /* Base structure for tuples with operands. */
333 struct GTY(()) gimple_statement_with_ops_base
336 struct gimple_statement_base gsbase
;
339 SSA operand vectors. NOTE: It should be possible to
340 amalgamate these vectors with the operand vector OP. However,
341 the SSA operand vectors are organized differently and contain
342 more information (like immediate use chaining). */
343 struct def_optype_d
GTY((skip (""))) *def_ops
;
344 struct use_optype_d
GTY((skip (""))) *use_ops
;
348 /* Statements that take register operands. */
350 struct GTY(()) gimple_statement_with_ops
353 struct gimple_statement_with_ops_base opbase
;
356 Operand vector. NOTE! This must always be the last field
357 of this structure. In particular, this means that this
358 structure cannot be embedded inside another one. */
359 tree
GTY((length ("%h.opbase.gsbase.num_ops"))) op
[1];
363 /* Base for statements that take both memory and register operands. */
365 struct GTY(()) gimple_statement_with_memory_ops_base
368 struct gimple_statement_with_ops_base opbase
;
371 Virtual operands for this statement. The GC will pick them
372 up via the ssa_names array. */
373 tree
GTY((skip (""))) vdef
;
374 tree
GTY((skip (""))) vuse
;
378 /* Statements that take both memory and register operands. */
380 struct GTY(()) gimple_statement_with_memory_ops
383 struct gimple_statement_with_memory_ops_base membase
;
386 Operand vector. NOTE! This must always be the last field
387 of this structure. In particular, this means that this
388 structure cannot be embedded inside another one. */
389 tree
GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op
[1];
393 /* OpenMP statements (#pragma omp). */
395 struct GTY(()) gimple_statement_omp
{
397 struct gimple_statement_base gsbase
;
406 struct GTY(()) gimple_statement_bind
{
408 struct gimple_statement_base gsbase
;
411 Variables declared in this scope. */
415 This is different than the BLOCK field in gimple_statement_base,
416 which is analogous to TREE_BLOCK (i.e., the lexical block holding
417 this statement). This field is the equivalent of BIND_EXPR_BLOCK
418 in tree land (i.e., the lexical scope defined by this bind). See
429 struct GTY(()) gimple_statement_catch
{
431 struct gimple_statement_base gsbase
;
441 /* GIMPLE_EH_FILTER */
443 struct GTY(()) gimple_statement_eh_filter
{
445 struct gimple_statement_base gsbase
;
457 /* GIMPLE_EH_MUST_NOT_THROW */
459 struct GTY(()) gimple_statement_eh_mnt
{
461 struct gimple_statement_base gsbase
;
463 /* [ WORD 5 ] Abort function decl. */
469 struct GTY(()) gimple_statement_phi
{
471 struct gimple_statement_base gsbase
;
481 struct phi_arg_d
GTY ((length ("%h.nargs"))) args
[1];
485 /* GIMPLE_RESX, GIMPLE_EH_DISPATCH */
487 struct GTY(()) gimple_statement_eh_ctrl
490 struct gimple_statement_base gsbase
;
493 Exception region number. */
500 struct GTY(()) gimple_statement_try
{
502 struct gimple_statement_base gsbase
;
505 Expression to evaluate. */
509 Cleanup expression. */
513 /* Kind of GIMPLE_TRY statements. */
514 enum gimple_try_flags
517 GIMPLE_TRY_CATCH
= 1 << 0,
520 GIMPLE_TRY_FINALLY
= 1 << 1,
521 GIMPLE_TRY_KIND
= GIMPLE_TRY_CATCH
| GIMPLE_TRY_FINALLY
,
523 /* Analogous to TRY_CATCH_IS_CLEANUP. */
524 GIMPLE_TRY_CATCH_IS_CLEANUP
= 1 << 2
527 /* GIMPLE_WITH_CLEANUP_EXPR */
529 struct GTY(()) gimple_statement_wce
{
531 struct gimple_statement_base gsbase
;
533 /* Subcode: CLEANUP_EH_ONLY. True if the cleanup should only be
534 executed if an exception is thrown, not on normal exit of its
535 scope. This flag is analogous to the CLEANUP_EH_ONLY flag
539 Cleanup expression. */
546 struct GTY(()) gimple_statement_asm
549 struct gimple_statement_with_memory_ops_base membase
;
552 __asm__ statement. */
556 Number of inputs, outputs, clobbers, labels. */
563 Operand vector. NOTE! This must always be the last field
564 of this structure. In particular, this means that this
565 structure cannot be embedded inside another one. */
566 tree
GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op
[1];
569 /* GIMPLE_OMP_CRITICAL */
571 struct GTY(()) gimple_statement_omp_critical
{
573 struct gimple_statement_omp omp
;
576 Critical section name. */
581 struct GTY(()) gimple_omp_for_iter
{
582 /* Condition code. */
585 /* Index variable. */
600 struct GTY(()) gimple_statement_omp_for
{
602 struct gimple_statement_omp omp
;
608 Number of elements in iter array. */
612 struct gimple_omp_for_iter
* GTY((length ("%h.collapse"))) iter
;
615 Pre-body evaluated before the loop body begins. */
620 /* GIMPLE_OMP_PARALLEL */
622 struct GTY(()) gimple_statement_omp_parallel
{
624 struct gimple_statement_omp omp
;
631 Child function holding the body of the parallel region. */
635 Shared data argument. */
640 /* GIMPLE_OMP_TASK */
642 struct GTY(()) gimple_statement_omp_task
{
644 struct gimple_statement_omp_parallel par
;
647 Child function holding firstprivate initialization if needed. */
651 Size and alignment in bytes of the argument data block. */
657 /* GIMPLE_OMP_SECTION */
658 /* Uses struct gimple_statement_omp. */
661 /* GIMPLE_OMP_SECTIONS */
663 struct GTY(()) gimple_statement_omp_sections
{
665 struct gimple_statement_omp omp
;
671 The control variable used for deciding which of the sections to
676 /* GIMPLE_OMP_CONTINUE.
678 Note: This does not inherit from gimple_statement_omp, because we
679 do not need the body field. */
681 struct GTY(()) gimple_statement_omp_continue
{
683 struct gimple_statement_base gsbase
;
692 /* GIMPLE_OMP_SINGLE */
694 struct GTY(()) gimple_statement_omp_single
{
696 struct gimple_statement_omp omp
;
703 /* GIMPLE_OMP_ATOMIC_LOAD.
704 Note: This is based on gimple_statement_base, not g_s_omp, because g_s_omp
705 contains a sequence, which we don't need here. */
707 struct GTY(()) gimple_statement_omp_atomic_load
{
709 struct gimple_statement_base gsbase
;
715 /* GIMPLE_OMP_ATOMIC_STORE.
716 See note on GIMPLE_OMP_ATOMIC_LOAD. */
718 struct GTY(()) gimple_statement_omp_atomic_store
{
720 struct gimple_statement_base gsbase
;
726 #define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) SYM,
727 enum gimple_statement_structure_enum
{
728 #include "gsstruct.def"
734 /* Define the overall contents of a gimple tuple. It may be any of the
735 structures declared above for various types of tuples. */
737 union GTY ((desc ("gimple_statement_structure (&%h)"))) gimple_statement_d
{
738 struct gimple_statement_base
GTY ((tag ("GSS_BASE"))) gsbase
;
739 struct gimple_statement_with_ops
GTY ((tag ("GSS_WITH_OPS"))) gsops
;
740 struct gimple_statement_with_memory_ops_base
GTY ((tag ("GSS_WITH_MEM_OPS_BASE"))) gsmembase
;
741 struct gimple_statement_with_memory_ops
GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem
;
742 struct gimple_statement_omp
GTY ((tag ("GSS_OMP"))) omp
;
743 struct gimple_statement_bind
GTY ((tag ("GSS_BIND"))) gimple_bind
;
744 struct gimple_statement_catch
GTY ((tag ("GSS_CATCH"))) gimple_catch
;
745 struct gimple_statement_eh_filter
GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter
;
746 struct gimple_statement_eh_mnt
GTY ((tag ("GSS_EH_MNT"))) gimple_eh_mnt
;
747 struct gimple_statement_phi
GTY ((tag ("GSS_PHI"))) gimple_phi
;
748 struct gimple_statement_eh_ctrl
GTY ((tag ("GSS_EH_CTRL"))) gimple_eh_ctrl
;
749 struct gimple_statement_try
GTY ((tag ("GSS_TRY"))) gimple_try
;
750 struct gimple_statement_wce
GTY ((tag ("GSS_WCE"))) gimple_wce
;
751 struct gimple_statement_asm
GTY ((tag ("GSS_ASM"))) gimple_asm
;
752 struct gimple_statement_omp_critical
GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical
;
753 struct gimple_statement_omp_for
GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for
;
754 struct gimple_statement_omp_parallel
GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel
;
755 struct gimple_statement_omp_task
GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task
;
756 struct gimple_statement_omp_sections
GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections
;
757 struct gimple_statement_omp_single
GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single
;
758 struct gimple_statement_omp_continue
GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue
;
759 struct gimple_statement_omp_atomic_load
GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load
;
760 struct gimple_statement_omp_atomic_store
GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store
;
765 /* Offset in bytes to the location of the operand vector.
766 Zero if there is no operand vector for this tuple structure. */
767 extern size_t const gimple_ops_offset_
[];
769 /* Map GIMPLE codes to GSS codes. */
770 extern enum gimple_statement_structure_enum
const gss_for_code_
[];
772 /* This variable holds the currently expanded gimple statement for purposes
773 of comminucating the profile info to the builtin expanders. */
774 extern gimple currently_expanding_gimple_stmt
;
776 gimple
gimple_build_return (tree
);
778 gimple
gimple_build_assign_stat (tree
, tree MEM_STAT_DECL
);
779 #define gimple_build_assign(l,r) gimple_build_assign_stat (l, r MEM_STAT_INFO)
781 void extract_ops_from_tree (tree
, enum tree_code
*, tree
*, tree
*);
783 gimple
gimple_build_assign_with_ops_stat (enum tree_code
, tree
, tree
,
785 #define gimple_build_assign_with_ops(c,o1,o2,o3) \
786 gimple_build_assign_with_ops_stat (c, o1, o2, o3 MEM_STAT_INFO)
788 gimple
gimple_build_debug_bind_stat (tree
, tree
, gimple MEM_STAT_DECL
);
789 #define gimple_build_debug_bind(var,val,stmt) \
790 gimple_build_debug_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
792 gimple
gimple_build_call_vec (tree
, VEC(tree
, heap
) *);
793 gimple
gimple_build_call (tree
, unsigned, ...);
794 gimple
gimple_build_call_from_tree (tree
);
795 gimple
gimplify_assign (tree
, tree
, gimple_seq
*);
796 gimple
gimple_build_cond (enum tree_code
, tree
, tree
, tree
, tree
);
797 gimple
gimple_build_label (tree label
);
798 gimple
gimple_build_goto (tree dest
);
799 gimple
gimple_build_nop (void);
800 gimple
gimple_build_bind (tree
, gimple_seq
, tree
);
801 gimple
gimple_build_asm_vec (const char *, VEC(tree
,gc
) *, VEC(tree
,gc
) *,
802 VEC(tree
,gc
) *, VEC(tree
,gc
) *);
803 gimple
gimple_build_catch (tree
, gimple_seq
);
804 gimple
gimple_build_eh_filter (tree
, gimple_seq
);
805 gimple
gimple_build_eh_must_not_throw (tree
);
806 gimple
gimple_build_try (gimple_seq
, gimple_seq
, enum gimple_try_flags
);
807 gimple
gimple_build_wce (gimple_seq
);
808 gimple
gimple_build_resx (int);
809 gimple
gimple_build_eh_dispatch (int);
810 gimple
gimple_build_switch_nlabels (unsigned, tree
, tree
);
811 gimple
gimple_build_switch (unsigned, tree
, tree
, ...);
812 gimple
gimple_build_switch_vec (tree
, tree
, VEC(tree
,heap
) *);
813 gimple
gimple_build_omp_parallel (gimple_seq
, tree
, tree
, tree
);
814 gimple
gimple_build_omp_task (gimple_seq
, tree
, tree
, tree
, tree
, tree
, tree
);
815 gimple
gimple_build_omp_for (gimple_seq
, tree
, size_t, gimple_seq
);
816 gimple
gimple_build_omp_critical (gimple_seq
, tree
);
817 gimple
gimple_build_omp_section (gimple_seq
);
818 gimple
gimple_build_omp_continue (tree
, tree
);
819 gimple
gimple_build_omp_master (gimple_seq
);
820 gimple
gimple_build_omp_return (bool);
821 gimple
gimple_build_omp_ordered (gimple_seq
);
822 gimple
gimple_build_omp_sections (gimple_seq
, tree
);
823 gimple
gimple_build_omp_sections_switch (void);
824 gimple
gimple_build_omp_single (gimple_seq
, tree
);
825 gimple
gimple_build_cdt (tree
, tree
);
826 gimple
gimple_build_omp_atomic_load (tree
, tree
);
827 gimple
gimple_build_omp_atomic_store (tree
);
828 gimple
gimple_build_predict (enum br_predictor
, enum prediction
);
829 enum gimple_statement_structure_enum
gss_for_assign (enum tree_code
);
830 void sort_case_labels (VEC(tree
,heap
) *);
831 void gimple_set_body (tree
, gimple_seq
);
832 gimple_seq
gimple_body (tree
);
833 bool gimple_has_body_p (tree
);
834 gimple_seq
gimple_seq_alloc (void);
835 void gimple_seq_free (gimple_seq
);
836 void gimple_seq_add_seq (gimple_seq
*, gimple_seq
);
837 gimple_seq
gimple_seq_copy (gimple_seq
);
838 int gimple_call_flags (const_gimple
);
839 bool gimple_assign_copy_p (gimple
);
840 bool gimple_assign_ssa_name_copy_p (gimple
);
841 bool gimple_assign_single_p (gimple
);
842 bool gimple_assign_unary_nop_p (gimple
);
843 void gimple_set_bb (gimple
, struct basic_block_def
*);
844 tree
gimple_fold (const_gimple
);
845 void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator
*, tree
);
846 void gimple_assign_set_rhs_with_ops (gimple_stmt_iterator
*, enum tree_code
,
848 tree
gimple_get_lhs (const_gimple
);
849 void gimple_set_lhs (gimple
, tree
);
850 void gimple_replace_lhs (gimple
, tree
);
851 gimple
gimple_copy (gimple
);
852 bool is_gimple_operand (const_tree
);
853 void gimple_set_modified (gimple
, bool);
854 void gimple_cond_get_ops_from_tree (tree
, enum tree_code
*, tree
*, tree
*);
855 gimple
gimple_build_cond_from_tree (tree
, tree
, tree
);
856 void gimple_cond_set_condition_from_tree (gimple
, tree
);
857 bool gimple_has_side_effects (const_gimple
);
858 bool gimple_rhs_has_side_effects (const_gimple
);
859 bool gimple_could_trap_p (gimple
);
860 bool gimple_assign_rhs_could_trap_p (gimple
);
861 void gimple_regimplify_operands (gimple
, gimple_stmt_iterator
*);
862 bool empty_body_p (gimple_seq
);
863 unsigned get_gimple_rhs_num_ops (enum tree_code
);
864 #define gimple_alloc(c, n) gimple_alloc_stat (c, n MEM_STAT_INFO)
865 gimple
gimple_alloc_stat (enum gimple_code
, unsigned MEM_STAT_DECL
);
866 const char *gimple_decl_printable_name (tree
, int);
867 tree
gimple_fold_obj_type_ref (tree
, tree
);
869 /* Returns true iff T is a valid GIMPLE statement. */
870 extern bool is_gimple_stmt (tree
);
872 /* Returns true iff TYPE is a valid type for a scalar register variable. */
873 extern bool is_gimple_reg_type (tree
);
874 /* Returns true iff T is a scalar register variable. */
875 extern bool is_gimple_reg (tree
);
876 /* Returns true iff T is any sort of variable. */
877 extern bool is_gimple_variable (tree
);
878 /* Returns true iff T is any sort of symbol. */
879 extern bool is_gimple_id (tree
);
880 /* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */
881 extern bool is_gimple_min_lval (tree
);
882 /* Returns true iff T is something whose address can be taken. */
883 extern bool is_gimple_addressable (tree
);
884 /* Returns true iff T is any valid GIMPLE lvalue. */
885 extern bool is_gimple_lvalue (tree
);
887 /* Returns true iff T is a GIMPLE address. */
888 bool is_gimple_address (const_tree
);
889 /* Returns true iff T is a GIMPLE invariant address. */
890 bool is_gimple_invariant_address (const_tree
);
891 /* Returns true iff T is a GIMPLE invariant address at interprocedural
893 bool is_gimple_ip_invariant_address (const_tree
);
894 /* Returns true iff T is a valid GIMPLE constant. */
895 bool is_gimple_constant (const_tree
);
896 /* Returns true iff T is a GIMPLE restricted function invariant. */
897 extern bool is_gimple_min_invariant (const_tree
);
898 /* Returns true iff T is a GIMPLE restricted interprecodural invariant. */
899 extern bool is_gimple_ip_invariant (const_tree
);
900 /* Returns true iff T is a GIMPLE rvalue. */
901 extern bool is_gimple_val (tree
);
902 /* Returns true iff T is a GIMPLE asm statement input. */
903 extern bool is_gimple_asm_val (tree
);
904 /* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a
905 GIMPLE temporary, a renamed user variable, or something else,
907 extern bool is_gimple_reg_rhs (tree
);
908 extern bool is_gimple_mem_rhs (tree
);
910 /* Returns true iff T is a valid if-statement condition. */
911 extern bool is_gimple_condexpr (tree
);
913 /* Returns true iff T is a type conversion. */
914 extern bool is_gimple_cast (tree
);
915 /* Returns true iff T is a variable that does not need to live in memory. */
916 extern bool is_gimple_non_addressable (tree t
);
918 /* Returns true iff T is a valid call address expression. */
919 extern bool is_gimple_call_addr (tree
);
920 /* If T makes a function call, returns the CALL_EXPR operand. */
921 extern tree
get_call_expr_in (tree t
);
923 extern void recalculate_side_effects (tree
);
924 extern tree
gimple_register_type (tree
);
925 extern void print_gimple_types_stats (void);
926 extern void free_gimple_type_tables (void);
927 extern tree
gimple_unsigned_type (tree
);
928 extern tree
gimple_signed_type (tree
);
929 extern alias_set_type
gimple_get_alias_set (tree
);
930 extern void count_uses_and_derefs (tree
, gimple
, unsigned *, unsigned *,
932 extern bool walk_stmt_load_store_addr_ops (gimple
, void *,
933 bool (*)(gimple
, tree
, void *),
934 bool (*)(gimple
, tree
, void *),
935 bool (*)(gimple
, tree
, void *));
936 extern bool walk_stmt_load_store_ops (gimple
, void *,
937 bool (*)(gimple
, tree
, void *),
938 bool (*)(gimple
, tree
, void *));
939 extern bool gimple_ior_addresses_taken (bitmap
, gimple
);
942 extern tree
create_tmp_var_raw (tree
, const char *);
943 extern tree
create_tmp_var_name (const char *);
944 extern tree
create_tmp_var (tree
, const char *);
945 extern tree
get_initialized_tmp_var (tree
, gimple_seq
*, gimple_seq
*);
946 extern tree
get_formal_tmp_var (tree
, gimple_seq
*);
947 extern void declare_vars (tree
, gimple
, bool);
948 extern void annotate_all_with_location (gimple_seq
, location_t
);
950 /* Validation of GIMPLE expressions. Note that these predicates only check
951 the basic form of the expression, they don't recurse to make sure that
952 underlying nodes are also of the right form. */
953 typedef bool (*gimple_predicate
)(tree
);
956 /* FIXME we should deduce this from the predicate. */
958 fb_none
= 0, /* Do not generate a temporary. */
960 fb_rvalue
= 1, /* Generate an rvalue to hold the result of a
961 gimplified expression. */
963 fb_lvalue
= 2, /* Generate an lvalue to hold the result of a
964 gimplified expression. */
966 fb_mayfail
= 4, /* Gimplification may fail. Error issued
968 fb_either
= fb_rvalue
| fb_lvalue
971 typedef int fallback_t
;
973 enum gimplify_status
{
974 GS_ERROR
= -2, /* Something Bad Seen. */
975 GS_UNHANDLED
= -1, /* A langhook result for "I dunno". */
976 GS_OK
= 0, /* We did something, maybe more to do. */
977 GS_ALL_DONE
= 1 /* The expression is fully gimplified. */
982 struct gimplify_ctx
*prev_context
;
984 VEC(gimple
,heap
) *bind_expr_stack
;
986 gimple_seq conditional_cleanups
;
990 VEC(tree
,heap
) *case_labels
;
991 /* The formal temporary table. Should this be persistent? */
997 bool allow_rhs_cond_expr
;
1000 extern enum gimplify_status
gimplify_expr (tree
*, gimple_seq
*, gimple_seq
*,
1001 bool (*) (tree
), fallback_t
);
1002 extern void gimplify_type_sizes (tree
, gimple_seq
*);
1003 extern void gimplify_one_sizepos (tree
*, gimple_seq
*);
1004 extern bool gimplify_stmt (tree
*, gimple_seq
*);
1005 extern gimple
gimplify_body (tree
*, tree
, bool);
1006 extern void push_gimplify_context (struct gimplify_ctx
*);
1007 extern void pop_gimplify_context (gimple
);
1008 extern void gimplify_and_add (tree
, gimple_seq
*);
1010 /* Miscellaneous helpers. */
1011 extern void gimple_add_tmp_var (tree
);
1012 extern gimple
gimple_current_bind_expr (void);
1013 extern VEC(gimple
, heap
) *gimple_bind_expr_stack (void);
1014 extern tree
voidify_wrapper_expr (tree
, tree
);
1015 extern tree
build_and_jump (tree
*);
1016 extern tree
alloc_stmt_list (void);
1017 extern void free_stmt_list (tree
);
1018 extern tree
force_labels_r (tree
*, int *, void *);
1019 extern enum gimplify_status
gimplify_va_arg_expr (tree
*, gimple_seq
*,
1021 struct gimplify_omp_ctx
;
1022 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx
*, tree
);
1023 extern tree
gimple_boolify (tree
);
1024 extern gimple_predicate
rhs_predicate_for (tree
);
1025 extern tree
canonicalize_cond_expr_cond (tree
);
1028 extern tree
omp_reduction_init (tree
, tree
);
1030 /* In tree-nested.c. */
1031 extern void lower_nested_functions (tree
);
1032 extern void insert_field_into_struct (tree
, tree
);
1034 /* In gimplify.c. */
1035 extern void gimplify_function_tree (tree
);
1037 /* In cfgexpand.c. */
1038 extern tree
gimple_assign_rhs_to_tree (gimple
);
1041 extern bool validate_gimple_arglist (const_gimple
, ...);
1044 extern bool tree_ssa_useless_type_conversion (tree
);
1045 extern tree
tree_ssa_strip_useless_type_conversions (tree
);
1046 extern bool useless_type_conversion_p (tree
, tree
);
1047 extern bool types_compatible_p (tree
, tree
);
1049 /* Return the code for GIMPLE statement G. */
1051 static inline enum gimple_code
1052 gimple_code (const_gimple g
)
1054 return g
->gsbase
.code
;
1058 /* Return the GSS code used by a GIMPLE code. */
1060 static inline enum gimple_statement_structure_enum
1061 gss_for_code (enum gimple_code code
)
1063 gcc_assert ((unsigned int)code
< LAST_AND_UNUSED_GIMPLE_CODE
);
1064 return gss_for_code_
[code
];
1068 /* Return which GSS code is used by GS. */
1070 static inline enum gimple_statement_structure_enum
1071 gimple_statement_structure (gimple gs
)
1073 return gss_for_code (gimple_code (gs
));
1077 /* Return true if statement G has sub-statements. This is only true for
1078 High GIMPLE statements. */
1081 gimple_has_substatements (gimple g
)
1083 switch (gimple_code (g
))
1087 case GIMPLE_EH_FILTER
:
1089 case GIMPLE_OMP_FOR
:
1090 case GIMPLE_OMP_MASTER
:
1091 case GIMPLE_OMP_ORDERED
:
1092 case GIMPLE_OMP_SECTION
:
1093 case GIMPLE_OMP_PARALLEL
:
1094 case GIMPLE_OMP_TASK
:
1095 case GIMPLE_OMP_SECTIONS
:
1096 case GIMPLE_OMP_SINGLE
:
1097 case GIMPLE_OMP_CRITICAL
:
1098 case GIMPLE_WITH_CLEANUP_EXPR
:
1107 /* Return the basic block holding statement G. */
1109 static inline struct basic_block_def
*
1110 gimple_bb (const_gimple g
)
1112 return g
->gsbase
.bb
;
1116 /* Return the lexical scope block holding statement G. */
1119 gimple_block (const_gimple g
)
1121 return g
->gsbase
.block
;
1125 /* Set BLOCK to be the lexical scope block holding statement G. */
1128 gimple_set_block (gimple g
, tree block
)
1130 g
->gsbase
.block
= block
;
1134 /* Return location information for statement G. */
1136 static inline location_t
1137 gimple_location (const_gimple g
)
1139 return g
->gsbase
.location
;
1142 /* Return pointer to location information for statement G. */
1144 static inline const location_t
*
1145 gimple_location_ptr (const_gimple g
)
1147 return &g
->gsbase
.location
;
1151 /* Set location information for statement G. */
1154 gimple_set_location (gimple g
, location_t location
)
1156 g
->gsbase
.location
= location
;
1160 /* Return true if G contains location information. */
1163 gimple_has_location (const_gimple g
)
1165 return gimple_location (g
) != UNKNOWN_LOCATION
;
1169 /* Return the file name of the location of STMT. */
1171 static inline const char *
1172 gimple_filename (const_gimple stmt
)
1174 return LOCATION_FILE (gimple_location (stmt
));
1178 /* Return the line number of the location of STMT. */
1181 gimple_lineno (const_gimple stmt
)
1183 return LOCATION_LINE (gimple_location (stmt
));
1187 /* Determine whether SEQ is a singleton. */
1190 gimple_seq_singleton_p (gimple_seq seq
)
1192 return ((gimple_seq_first (seq
) != NULL
)
1193 && (gimple_seq_first (seq
) == gimple_seq_last (seq
)));
1196 /* Return true if no warnings should be emitted for statement STMT. */
1199 gimple_no_warning_p (const_gimple stmt
)
1201 return stmt
->gsbase
.no_warning
;
1204 /* Set the no_warning flag of STMT to NO_WARNING. */
1207 gimple_set_no_warning (gimple stmt
, bool no_warning
)
1209 stmt
->gsbase
.no_warning
= (unsigned) no_warning
;
1212 /* Set the visited status on statement STMT to VISITED_P. */
1215 gimple_set_visited (gimple stmt
, bool visited_p
)
1217 stmt
->gsbase
.visited
= (unsigned) visited_p
;
1221 /* Return the visited status for statement STMT. */
1224 gimple_visited_p (gimple stmt
)
1226 return stmt
->gsbase
.visited
;
1230 /* Set pass local flag PLF on statement STMT to VAL_P. */
1233 gimple_set_plf (gimple stmt
, enum plf_mask plf
, bool val_p
)
1236 stmt
->gsbase
.plf
|= (unsigned int) plf
;
1238 stmt
->gsbase
.plf
&= ~((unsigned int) plf
);
1242 /* Return the value of pass local flag PLF on statement STMT. */
1244 static inline unsigned int
1245 gimple_plf (gimple stmt
, enum plf_mask plf
)
1247 return stmt
->gsbase
.plf
& ((unsigned int) plf
);
1251 /* Set the UID of statement. */
1254 gimple_set_uid (gimple g
, unsigned uid
)
1256 g
->gsbase
.uid
= uid
;
1260 /* Return the UID of statement. */
1262 static inline unsigned
1263 gimple_uid (const_gimple g
)
1265 return g
->gsbase
.uid
;
1269 /* Return true if GIMPLE statement G has register or memory operands. */
1272 gimple_has_ops (const_gimple g
)
1274 return gimple_code (g
) >= GIMPLE_COND
&& gimple_code (g
) <= GIMPLE_RETURN
;
1278 /* Return true if GIMPLE statement G has memory operands. */
1281 gimple_has_mem_ops (const_gimple g
)
1283 return gimple_code (g
) >= GIMPLE_ASSIGN
&& gimple_code (g
) <= GIMPLE_RETURN
;
1287 /* Return the set of DEF operands for statement G. */
1289 static inline struct def_optype_d
*
1290 gimple_def_ops (const_gimple g
)
1292 if (!gimple_has_ops (g
))
1294 return g
->gsops
.opbase
.def_ops
;
1298 /* Set DEF to be the set of DEF operands for statement G. */
1301 gimple_set_def_ops (gimple g
, struct def_optype_d
*def
)
1303 gcc_assert (gimple_has_ops (g
));
1304 g
->gsops
.opbase
.def_ops
= def
;
1308 /* Return the set of USE operands for statement G. */
1310 static inline struct use_optype_d
*
1311 gimple_use_ops (const_gimple g
)
1313 if (!gimple_has_ops (g
))
1315 return g
->gsops
.opbase
.use_ops
;
1319 /* Set USE to be the set of USE operands for statement G. */
1322 gimple_set_use_ops (gimple g
, struct use_optype_d
*use
)
1324 gcc_assert (gimple_has_ops (g
));
1325 g
->gsops
.opbase
.use_ops
= use
;
1329 /* Return the set of VUSE operand for statement G. */
1331 static inline use_operand_p
1332 gimple_vuse_op (const_gimple g
)
1334 struct use_optype_d
*ops
;
1335 if (!gimple_has_mem_ops (g
))
1336 return NULL_USE_OPERAND_P
;
1337 ops
= g
->gsops
.opbase
.use_ops
;
1339 && USE_OP_PTR (ops
)->use
== &g
->gsmembase
.vuse
)
1340 return USE_OP_PTR (ops
);
1341 return NULL_USE_OPERAND_P
;
1344 /* Return the set of VDEF operand for statement G. */
1346 static inline def_operand_p
1347 gimple_vdef_op (const_gimple g
)
1349 struct def_optype_d
*ops
;
1350 if (!gimple_has_mem_ops (g
))
1351 return NULL_DEF_OPERAND_P
;
1352 ops
= g
->gsops
.opbase
.def_ops
;
1354 && DEF_OP_PTR (ops
) == &g
->gsmembase
.vdef
)
1355 return DEF_OP_PTR (ops
);
1356 return NULL_DEF_OPERAND_P
;
1360 /* Return the single VUSE operand of the statement G. */
1363 gimple_vuse (const_gimple g
)
1365 if (!gimple_has_mem_ops (g
))
1367 return g
->gsmembase
.vuse
;
1370 /* Return the single VDEF operand of the statement G. */
1373 gimple_vdef (const_gimple g
)
1375 if (!gimple_has_mem_ops (g
))
1377 return g
->gsmembase
.vdef
;
1380 /* Return the single VUSE operand of the statement G. */
1382 static inline tree
*
1383 gimple_vuse_ptr (gimple g
)
1385 if (!gimple_has_mem_ops (g
))
1387 return &g
->gsmembase
.vuse
;
1390 /* Return the single VDEF operand of the statement G. */
1392 static inline tree
*
1393 gimple_vdef_ptr (gimple g
)
1395 if (!gimple_has_mem_ops (g
))
1397 return &g
->gsmembase
.vdef
;
1400 /* Set the single VUSE operand of the statement G. */
1403 gimple_set_vuse (gimple g
, tree vuse
)
1405 gcc_assert (gimple_has_mem_ops (g
));
1406 g
->gsmembase
.vuse
= vuse
;
1409 /* Set the single VDEF operand of the statement G. */
1412 gimple_set_vdef (gimple g
, tree vdef
)
1414 gcc_assert (gimple_has_mem_ops (g
));
1415 g
->gsmembase
.vdef
= vdef
;
1419 /* Return true if statement G has operands and the modified field has
1423 gimple_modified_p (const_gimple g
)
1425 return (gimple_has_ops (g
)) ? (bool) g
->gsbase
.modified
: false;
1429 /* Return the tree code for the expression computed by STMT. This is
1430 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For
1431 GIMPLE_CALL, return CALL_EXPR as the expression code for
1432 consistency. This is useful when the caller needs to deal with the
1433 three kinds of computation that GIMPLE supports. */
1435 static inline enum tree_code
1436 gimple_expr_code (const_gimple stmt
)
1438 enum gimple_code code
= gimple_code (stmt
);
1439 if (code
== GIMPLE_ASSIGN
|| code
== GIMPLE_COND
)
1440 return (enum tree_code
) stmt
->gsbase
.subcode
;
1441 else if (code
== GIMPLE_CALL
)
1448 /* Mark statement S as modified, and update it. */
1451 update_stmt (gimple s
)
1453 if (gimple_has_ops (s
))
1455 gimple_set_modified (s
, true);
1456 update_stmt_operands (s
);
1460 /* Update statement S if it has been optimized. */
1463 update_stmt_if_modified (gimple s
)
1465 if (gimple_modified_p (s
))
1466 update_stmt_operands (s
);
1469 /* Return true if statement STMT contains volatile operands. */
1472 gimple_has_volatile_ops (const_gimple stmt
)
1474 if (gimple_has_mem_ops (stmt
))
1475 return stmt
->gsbase
.has_volatile_ops
;
1481 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */
1484 gimple_set_has_volatile_ops (gimple stmt
, bool volatilep
)
1486 if (gimple_has_mem_ops (stmt
))
1487 stmt
->gsbase
.has_volatile_ops
= (unsigned) volatilep
;
1491 /* Return true if statement STMT may access memory. */
1494 gimple_references_memory_p (gimple stmt
)
1496 return gimple_has_mem_ops (stmt
) && gimple_vuse (stmt
);
1500 /* Return the subcode for OMP statement S. */
1502 static inline unsigned
1503 gimple_omp_subcode (const_gimple s
)
1505 gcc_assert (gimple_code (s
) >= GIMPLE_OMP_ATOMIC_LOAD
1506 && gimple_code (s
) <= GIMPLE_OMP_SINGLE
);
1507 return s
->gsbase
.subcode
;
1510 /* Set the subcode for OMP statement S to SUBCODE. */
1513 gimple_omp_set_subcode (gimple s
, unsigned int subcode
)
1515 /* We only have 16 bits for the subcode. Assert that we are not
1517 gcc_assert (subcode
< (1 << 16));
1518 s
->gsbase
.subcode
= subcode
;
1521 /* Set the nowait flag on OMP_RETURN statement S. */
1524 gimple_omp_return_set_nowait (gimple s
)
1526 GIMPLE_CHECK (s
, GIMPLE_OMP_RETURN
);
1527 s
->gsbase
.subcode
|= GF_OMP_RETURN_NOWAIT
;
1531 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT
1535 gimple_omp_return_nowait_p (const_gimple g
)
1537 GIMPLE_CHECK (g
, GIMPLE_OMP_RETURN
);
1538 return (gimple_omp_subcode (g
) & GF_OMP_RETURN_NOWAIT
) != 0;
1542 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST
1546 gimple_omp_section_last_p (const_gimple g
)
1548 GIMPLE_CHECK (g
, GIMPLE_OMP_SECTION
);
1549 return (gimple_omp_subcode (g
) & GF_OMP_SECTION_LAST
) != 0;
1553 /* Set the GF_OMP_SECTION_LAST flag on G. */
1556 gimple_omp_section_set_last (gimple g
)
1558 GIMPLE_CHECK (g
, GIMPLE_OMP_SECTION
);
1559 g
->gsbase
.subcode
|= GF_OMP_SECTION_LAST
;
1563 /* Return true if OMP parallel statement G has the
1564 GF_OMP_PARALLEL_COMBINED flag set. */
1567 gimple_omp_parallel_combined_p (const_gimple g
)
1569 GIMPLE_CHECK (g
, GIMPLE_OMP_PARALLEL
);
1570 return (gimple_omp_subcode (g
) & GF_OMP_PARALLEL_COMBINED
) != 0;
1574 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean
1575 value of COMBINED_P. */
1578 gimple_omp_parallel_set_combined_p (gimple g
, bool combined_p
)
1580 GIMPLE_CHECK (g
, GIMPLE_OMP_PARALLEL
);
1582 g
->gsbase
.subcode
|= GF_OMP_PARALLEL_COMBINED
;
1584 g
->gsbase
.subcode
&= ~GF_OMP_PARALLEL_COMBINED
;
1588 /* Return the number of operands for statement GS. */
1590 static inline unsigned
1591 gimple_num_ops (const_gimple gs
)
1593 return gs
->gsbase
.num_ops
;
1597 /* Set the number of operands for statement GS. */
1600 gimple_set_num_ops (gimple gs
, unsigned num_ops
)
1602 gs
->gsbase
.num_ops
= num_ops
;
1606 /* Return the array of operands for statement GS. */
1608 static inline tree
*
1609 gimple_ops (gimple gs
)
1613 /* All the tuples have their operand vector at the very bottom
1614 of the structure. Note that those structures that do not
1615 have an operand vector have a zero offset. */
1616 off
= gimple_ops_offset_
[gimple_statement_structure (gs
)];
1617 gcc_assert (off
!= 0);
1619 return (tree
*) ((char *) gs
+ off
);
1623 /* Return operand I for statement GS. */
1626 gimple_op (const_gimple gs
, unsigned i
)
1628 if (gimple_has_ops (gs
))
1630 gcc_assert (i
< gimple_num_ops (gs
));
1631 return gimple_ops (CONST_CAST_GIMPLE (gs
))[i
];
1637 /* Return a pointer to operand I for statement GS. */
1639 static inline tree
*
1640 gimple_op_ptr (const_gimple gs
, unsigned i
)
1642 if (gimple_has_ops (gs
))
1644 gcc_assert (i
< gimple_num_ops (gs
));
1645 return gimple_ops (CONST_CAST_GIMPLE (gs
)) + i
;
1651 /* Set operand I of statement GS to OP. */
1654 gimple_set_op (gimple gs
, unsigned i
, tree op
)
1656 gcc_assert (gimple_has_ops (gs
) && i
< gimple_num_ops (gs
));
1658 /* Note. It may be tempting to assert that OP matches
1659 is_gimple_operand, but that would be wrong. Different tuples
1660 accept slightly different sets of tree operands. Each caller
1661 should perform its own validation. */
1662 gimple_ops (gs
)[i
] = op
;
1665 /* Return true if GS is a GIMPLE_ASSIGN. */
1668 is_gimple_assign (const_gimple gs
)
1670 return gimple_code (gs
) == GIMPLE_ASSIGN
;
1673 /* Determine if expression CODE is one of the valid expressions that can
1674 be used on the RHS of GIMPLE assignments. */
1676 static inline enum gimple_rhs_class
1677 get_gimple_rhs_class (enum tree_code code
)
1679 return (enum gimple_rhs_class
) gimple_rhs_class_table
[(int) code
];
1682 /* Return the LHS of assignment statement GS. */
1685 gimple_assign_lhs (const_gimple gs
)
1687 GIMPLE_CHECK (gs
, GIMPLE_ASSIGN
);
1688 return gimple_op (gs
, 0);
1692 /* Return a pointer to the LHS of assignment statement GS. */
1694 static inline tree
*
1695 gimple_assign_lhs_ptr (const_gimple gs
)
1697 GIMPLE_CHECK (gs
, GIMPLE_ASSIGN
);
1698 return gimple_op_ptr (gs
, 0);
1702 /* Set LHS to be the LHS operand of assignment statement GS. */
1705 gimple_assign_set_lhs (gimple gs
, tree lhs
)
1707 GIMPLE_CHECK (gs
, GIMPLE_ASSIGN
);
1708 gcc_assert (is_gimple_operand (lhs
));
1709 gimple_set_op (gs
, 0, lhs
);
1711 if (lhs
&& TREE_CODE (lhs
) == SSA_NAME
)
1712 SSA_NAME_DEF_STMT (lhs
) = gs
;
1716 /* Return the first operand on the RHS of assignment statement GS. */
1719 gimple_assign_rhs1 (const_gimple gs
)
1721 GIMPLE_CHECK (gs
, GIMPLE_ASSIGN
);
1722 return gimple_op (gs
, 1);
1726 /* Return a pointer to the first operand on the RHS of assignment
1729 static inline tree
*
1730 gimple_assign_rhs1_ptr (const_gimple gs
)
1732 GIMPLE_CHECK (gs
, GIMPLE_ASSIGN
);
1733 return gimple_op_ptr (gs
, 1);
1736 /* Set RHS to be the first operand on the RHS of assignment statement GS. */
1739 gimple_assign_set_rhs1 (gimple gs
, tree rhs
)
1741 GIMPLE_CHECK (gs
, GIMPLE_ASSIGN
);
1743 /* If there are 3 or more operands, the 2 operands on the RHS must be
1745 if (gimple_num_ops (gs
) >= 3)
1746 gcc_assert (is_gimple_val (rhs
));
1748 gcc_assert (is_gimple_operand (rhs
));
1750 gimple_set_op (gs
, 1, rhs
);
1754 /* Return the second operand on the RHS of assignment statement GS.
1755 If GS does not have two operands, NULL is returned instead. */
1758 gimple_assign_rhs2 (const_gimple gs
)
1760 GIMPLE_CHECK (gs
, GIMPLE_ASSIGN
);
1762 if (gimple_num_ops (gs
) >= 3)
1763 return gimple_op (gs
, 2);
1769 /* Return a pointer to the second operand on the RHS of assignment
1772 static inline tree
*
1773 gimple_assign_rhs2_ptr (const_gimple gs
)
1775 GIMPLE_CHECK (gs
, GIMPLE_ASSIGN
);
1776 return gimple_op_ptr (gs
, 2);
1780 /* Set RHS to be the second operand on the RHS of assignment statement GS. */
1783 gimple_assign_set_rhs2 (gimple gs
, tree rhs
)
1785 GIMPLE_CHECK (gs
, GIMPLE_ASSIGN
);
1787 /* The 2 operands on the RHS must be GIMPLE values. */
1788 gcc_assert (is_gimple_val (rhs
));
1790 gimple_set_op (gs
, 2, rhs
);
1793 /* Returns true if GS is a nontemporal move. */
1796 gimple_assign_nontemporal_move_p (const_gimple gs
)
1798 GIMPLE_CHECK (gs
, GIMPLE_ASSIGN
);
1799 return gs
->gsbase
.nontemporal_move
;
1802 /* Sets nontemporal move flag of GS to NONTEMPORAL. */
1805 gimple_assign_set_nontemporal_move (gimple gs
, bool nontemporal
)
1807 GIMPLE_CHECK (gs
, GIMPLE_ASSIGN
);
1808 gs
->gsbase
.nontemporal_move
= nontemporal
;
1812 /* Return the code of the expression computed on the rhs of assignment
1813 statement GS. In case that the RHS is a single object, returns the
1814 tree code of the object. */
1816 static inline enum tree_code
1817 gimple_assign_rhs_code (const_gimple gs
)
1819 enum tree_code code
;
1820 GIMPLE_CHECK (gs
, GIMPLE_ASSIGN
);
1822 code
= gimple_expr_code (gs
);
1823 if (get_gimple_rhs_class (code
) == GIMPLE_SINGLE_RHS
)
1824 code
= TREE_CODE (gimple_assign_rhs1 (gs
));
1830 /* Set CODE to be the code for the expression computed on the RHS of
1834 gimple_assign_set_rhs_code (gimple s
, enum tree_code code
)
1836 GIMPLE_CHECK (s
, GIMPLE_ASSIGN
);
1837 s
->gsbase
.subcode
= code
;
1841 /* Return the gimple rhs class of the code of the expression computed on
1842 the rhs of assignment statement GS.
1843 This will never return GIMPLE_INVALID_RHS. */
1845 static inline enum gimple_rhs_class
1846 gimple_assign_rhs_class (const_gimple gs
)
1848 return get_gimple_rhs_class (gimple_assign_rhs_code (gs
));
1852 /* Return true if S is a type-cast assignment. */
1855 gimple_assign_cast_p (gimple s
)
1857 if (is_gimple_assign (s
))
1859 enum tree_code sc
= gimple_assign_rhs_code (s
);
1860 return CONVERT_EXPR_CODE_P (sc
)
1861 || sc
== VIEW_CONVERT_EXPR
1862 || sc
== FIX_TRUNC_EXPR
;
1869 /* Return true if GS is a GIMPLE_CALL. */
1872 is_gimple_call (const_gimple gs
)
1874 return gimple_code (gs
) == GIMPLE_CALL
;
1877 /* Return the LHS of call statement GS. */
1880 gimple_call_lhs (const_gimple gs
)
1882 GIMPLE_CHECK (gs
, GIMPLE_CALL
);
1883 return gimple_op (gs
, 0);
1887 /* Return a pointer to the LHS of call statement GS. */
1889 static inline tree
*
1890 gimple_call_lhs_ptr (const_gimple gs
)
1892 GIMPLE_CHECK (gs
, GIMPLE_CALL
);
1893 return gimple_op_ptr (gs
, 0);
1897 /* Set LHS to be the LHS operand of call statement GS. */
1900 gimple_call_set_lhs (gimple gs
, tree lhs
)
1902 GIMPLE_CHECK (gs
, GIMPLE_CALL
);
1903 gcc_assert (!lhs
|| is_gimple_operand (lhs
));
1904 gimple_set_op (gs
, 0, lhs
);
1905 if (lhs
&& TREE_CODE (lhs
) == SSA_NAME
)
1906 SSA_NAME_DEF_STMT (lhs
) = gs
;
1910 /* Return the tree node representing the function called by call
1914 gimple_call_fn (const_gimple gs
)
1916 GIMPLE_CHECK (gs
, GIMPLE_CALL
);
1917 return gimple_op (gs
, 1);
1921 /* Return a pointer to the tree node representing the function called by call
1924 static inline tree
*
1925 gimple_call_fn_ptr (const_gimple gs
)
1927 GIMPLE_CHECK (gs
, GIMPLE_CALL
);
1928 return gimple_op_ptr (gs
, 1);
1932 /* Set FN to be the function called by call statement GS. */
1935 gimple_call_set_fn (gimple gs
, tree fn
)
1937 GIMPLE_CHECK (gs
, GIMPLE_CALL
);
1938 gcc_assert (is_gimple_operand (fn
));
1939 gimple_set_op (gs
, 1, fn
);
1943 /* Set FNDECL to be the function called by call statement GS. */
1946 gimple_call_set_fndecl (gimple gs
, tree decl
)
1948 GIMPLE_CHECK (gs
, GIMPLE_CALL
);
1949 gcc_assert (TREE_CODE (decl
) == FUNCTION_DECL
);
1950 gimple_set_op (gs
, 1, build_fold_addr_expr_loc (gimple_location (gs
), decl
));
1954 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it.
1955 Otherwise return NULL. This function is analogous to
1956 get_callee_fndecl in tree land. */
1959 gimple_call_fndecl (const_gimple gs
)
1961 tree addr
= gimple_call_fn (gs
);
1962 if (TREE_CODE (addr
) == ADDR_EXPR
)
1964 gcc_assert (TREE_CODE (TREE_OPERAND (addr
, 0)) == FUNCTION_DECL
);
1965 return TREE_OPERAND (addr
, 0);
1971 /* Return the type returned by call statement GS. */
1974 gimple_call_return_type (const_gimple gs
)
1976 tree fn
= gimple_call_fn (gs
);
1977 tree type
= TREE_TYPE (fn
);
1979 /* See through the pointer. */
1980 gcc_assert (POINTER_TYPE_P (type
));
1981 type
= TREE_TYPE (type
);
1983 gcc_assert (TREE_CODE (type
) == FUNCTION_TYPE
1984 || TREE_CODE (type
) == METHOD_TYPE
);
1986 /* The type returned by a FUNCTION_DECL is the type of its
1988 return TREE_TYPE (type
);
1992 /* Return the static chain for call statement GS. */
1995 gimple_call_chain (const_gimple gs
)
1997 GIMPLE_CHECK (gs
, GIMPLE_CALL
);
1998 return gimple_op (gs
, 2);
2002 /* Return a pointer to the static chain for call statement GS. */
2004 static inline tree
*
2005 gimple_call_chain_ptr (const_gimple gs
)
2007 GIMPLE_CHECK (gs
, GIMPLE_CALL
);
2008 return gimple_op_ptr (gs
, 2);
2011 /* Set CHAIN to be the static chain for call statement GS. */
2014 gimple_call_set_chain (gimple gs
, tree chain
)
2016 GIMPLE_CHECK (gs
, GIMPLE_CALL
);
2017 gcc_assert (chain
== NULL
2018 || TREE_CODE (chain
) == ADDR_EXPR
2019 || SSA_VAR_P (chain
));
2020 gimple_set_op (gs
, 2, chain
);
2024 /* Return the number of arguments used by call statement GS. */
2026 static inline unsigned
2027 gimple_call_num_args (const_gimple gs
)
2030 GIMPLE_CHECK (gs
, GIMPLE_CALL
);
2031 num_ops
= gimple_num_ops (gs
);
2032 gcc_assert (num_ops
>= 3);
2037 /* Return the argument at position INDEX for call statement GS. */
2040 gimple_call_arg (const_gimple gs
, unsigned index
)
2042 GIMPLE_CHECK (gs
, GIMPLE_CALL
);
2043 return gimple_op (gs
, index
+ 3);
2047 /* Return a pointer to the argument at position INDEX for call
2050 static inline tree
*
2051 gimple_call_arg_ptr (const_gimple gs
, unsigned index
)
2053 GIMPLE_CHECK (gs
, GIMPLE_CALL
);
2054 return gimple_op_ptr (gs
, index
+ 3);
2058 /* Set ARG to be the argument at position INDEX for call statement GS. */
2061 gimple_call_set_arg (gimple gs
, unsigned index
, tree arg
)
2063 GIMPLE_CHECK (gs
, GIMPLE_CALL
);
2064 gcc_assert (is_gimple_operand (arg
));
2065 gimple_set_op (gs
, index
+ 3, arg
);
2069 /* If TAIL_P is true, mark call statement S as being a tail call
2070 (i.e., a call just before the exit of a function). These calls are
2071 candidate for tail call optimization. */
2074 gimple_call_set_tail (gimple s
, bool tail_p
)
2076 GIMPLE_CHECK (s
, GIMPLE_CALL
);
2078 s
->gsbase
.subcode
|= GF_CALL_TAILCALL
;
2080 s
->gsbase
.subcode
&= ~GF_CALL_TAILCALL
;
2084 /* Return true if GIMPLE_CALL S is marked as a tail call. */
2087 gimple_call_tail_p (gimple s
)
2089 GIMPLE_CHECK (s
, GIMPLE_CALL
);
2090 return (s
->gsbase
.subcode
& GF_CALL_TAILCALL
) != 0;
2094 /* Set the inlinable status of GIMPLE_CALL S to INLINABLE_P. */
2097 gimple_call_set_cannot_inline (gimple s
, bool inlinable_p
)
2099 GIMPLE_CHECK (s
, GIMPLE_CALL
);
2101 s
->gsbase
.subcode
|= GF_CALL_CANNOT_INLINE
;
2103 s
->gsbase
.subcode
&= ~GF_CALL_CANNOT_INLINE
;
2107 /* Return true if GIMPLE_CALL S cannot be inlined. */
2110 gimple_call_cannot_inline_p (gimple s
)
2112 GIMPLE_CHECK (s
, GIMPLE_CALL
);
2113 return (s
->gsbase
.subcode
& GF_CALL_CANNOT_INLINE
) != 0;
2117 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return
2118 slot optimization. This transformation uses the target of the call
2119 expansion as the return slot for calls that return in memory. */
2122 gimple_call_set_return_slot_opt (gimple s
, bool return_slot_opt_p
)
2124 GIMPLE_CHECK (s
, GIMPLE_CALL
);
2125 if (return_slot_opt_p
)
2126 s
->gsbase
.subcode
|= GF_CALL_RETURN_SLOT_OPT
;
2128 s
->gsbase
.subcode
&= ~GF_CALL_RETURN_SLOT_OPT
;
2132 /* Return true if S is marked for return slot optimization. */
2135 gimple_call_return_slot_opt_p (gimple s
)
2137 GIMPLE_CHECK (s
, GIMPLE_CALL
);
2138 return (s
->gsbase
.subcode
& GF_CALL_RETURN_SLOT_OPT
) != 0;
2142 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a
2143 thunk to the thunked-to function. */
2146 gimple_call_set_from_thunk (gimple s
, bool from_thunk_p
)
2148 GIMPLE_CHECK (s
, GIMPLE_CALL
);
2150 s
->gsbase
.subcode
|= GF_CALL_FROM_THUNK
;
2152 s
->gsbase
.subcode
&= ~GF_CALL_FROM_THUNK
;
2156 /* Return true if GIMPLE_CALL S is a jump from a thunk. */
2159 gimple_call_from_thunk_p (gimple s
)
2161 GIMPLE_CHECK (s
, GIMPLE_CALL
);
2162 return (s
->gsbase
.subcode
& GF_CALL_FROM_THUNK
) != 0;
2166 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the
2167 argument pack in its argument list. */
2170 gimple_call_set_va_arg_pack (gimple s
, bool pass_arg_pack_p
)
2172 GIMPLE_CHECK (s
, GIMPLE_CALL
);
2173 if (pass_arg_pack_p
)
2174 s
->gsbase
.subcode
|= GF_CALL_VA_ARG_PACK
;
2176 s
->gsbase
.subcode
&= ~GF_CALL_VA_ARG_PACK
;
2180 /* Return true if GIMPLE_CALL S is a stdarg call that needs the
2181 argument pack in its argument list. */
2184 gimple_call_va_arg_pack_p (gimple s
)
2186 GIMPLE_CHECK (s
, GIMPLE_CALL
);
2187 return (s
->gsbase
.subcode
& GF_CALL_VA_ARG_PACK
) != 0;
2191 /* Return true if S is a noreturn call. */
2194 gimple_call_noreturn_p (gimple s
)
2196 GIMPLE_CHECK (s
, GIMPLE_CALL
);
2197 return (gimple_call_flags (s
) & ECF_NORETURN
) != 0;
2201 /* Return true if S is a nothrow call. */
2204 gimple_call_nothrow_p (gimple s
)
2206 GIMPLE_CHECK (s
, GIMPLE_CALL
);
2207 return (gimple_call_flags (s
) & ECF_NOTHROW
) != 0;
2211 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */
2214 gimple_call_copy_flags (gimple dest_call
, gimple orig_call
)
2216 GIMPLE_CHECK (dest_call
, GIMPLE_CALL
);
2217 GIMPLE_CHECK (orig_call
, GIMPLE_CALL
);
2218 dest_call
->gsbase
.subcode
= orig_call
->gsbase
.subcode
;
2222 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a
2226 gimple_has_lhs (gimple stmt
)
2228 return (is_gimple_assign (stmt
)
2229 || (is_gimple_call (stmt
)
2230 && gimple_call_lhs (stmt
) != NULL_TREE
));
2234 /* Return the code of the predicate computed by conditional statement GS. */
2236 static inline enum tree_code
2237 gimple_cond_code (const_gimple gs
)
2239 GIMPLE_CHECK (gs
, GIMPLE_COND
);
2240 return (enum tree_code
) gs
->gsbase
.subcode
;
2244 /* Set CODE to be the predicate code for the conditional statement GS. */
2247 gimple_cond_set_code (gimple gs
, enum tree_code code
)
2249 GIMPLE_CHECK (gs
, GIMPLE_COND
);
2250 gcc_assert (TREE_CODE_CLASS (code
) == tcc_comparison
);
2251 gs
->gsbase
.subcode
= code
;
2255 /* Return the LHS of the predicate computed by conditional statement GS. */
2258 gimple_cond_lhs (const_gimple gs
)
2260 GIMPLE_CHECK (gs
, GIMPLE_COND
);
2261 return gimple_op (gs
, 0);
2264 /* Return the pointer to the LHS of the predicate computed by conditional
2267 static inline tree
*
2268 gimple_cond_lhs_ptr (const_gimple gs
)
2270 GIMPLE_CHECK (gs
, GIMPLE_COND
);
2271 return gimple_op_ptr (gs
, 0);
2274 /* Set LHS to be the LHS operand of the predicate computed by
2275 conditional statement GS. */
2278 gimple_cond_set_lhs (gimple gs
, tree lhs
)
2280 GIMPLE_CHECK (gs
, GIMPLE_COND
);
2281 gcc_assert (is_gimple_operand (lhs
));
2282 gimple_set_op (gs
, 0, lhs
);
2286 /* Return the RHS operand of the predicate computed by conditional GS. */
2289 gimple_cond_rhs (const_gimple gs
)
2291 GIMPLE_CHECK (gs
, GIMPLE_COND
);
2292 return gimple_op (gs
, 1);
2295 /* Return the pointer to the RHS operand of the predicate computed by
2298 static inline tree
*
2299 gimple_cond_rhs_ptr (const_gimple gs
)
2301 GIMPLE_CHECK (gs
, GIMPLE_COND
);
2302 return gimple_op_ptr (gs
, 1);
2306 /* Set RHS to be the RHS operand of the predicate computed by
2307 conditional statement GS. */
2310 gimple_cond_set_rhs (gimple gs
, tree rhs
)
2312 GIMPLE_CHECK (gs
, GIMPLE_COND
);
2313 gcc_assert (is_gimple_operand (rhs
));
2314 gimple_set_op (gs
, 1, rhs
);
2318 /* Return the label used by conditional statement GS when its
2319 predicate evaluates to true. */
2322 gimple_cond_true_label (const_gimple gs
)
2324 GIMPLE_CHECK (gs
, GIMPLE_COND
);
2325 return gimple_op (gs
, 2);
2329 /* Set LABEL to be the label used by conditional statement GS when its
2330 predicate evaluates to true. */
2333 gimple_cond_set_true_label (gimple gs
, tree label
)
2335 GIMPLE_CHECK (gs
, GIMPLE_COND
);
2336 gcc_assert (!label
|| TREE_CODE (label
) == LABEL_DECL
);
2337 gimple_set_op (gs
, 2, label
);
2341 /* Set LABEL to be the label used by conditional statement GS when its
2342 predicate evaluates to false. */
2345 gimple_cond_set_false_label (gimple gs
, tree label
)
2347 GIMPLE_CHECK (gs
, GIMPLE_COND
);
2348 gcc_assert (!label
|| TREE_CODE (label
) == LABEL_DECL
);
2349 gimple_set_op (gs
, 3, label
);
2353 /* Return the label used by conditional statement GS when its
2354 predicate evaluates to false. */
2357 gimple_cond_false_label (const_gimple gs
)
2359 GIMPLE_CHECK (gs
, GIMPLE_COND
);
2360 return gimple_op (gs
, 3);
2364 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */
2367 gimple_cond_make_false (gimple gs
)
2369 gimple_cond_set_lhs (gs
, boolean_true_node
);
2370 gimple_cond_set_rhs (gs
, boolean_false_node
);
2371 gs
->gsbase
.subcode
= EQ_EXPR
;
2375 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */
2378 gimple_cond_make_true (gimple gs
)
2380 gimple_cond_set_lhs (gs
, boolean_true_node
);
2381 gimple_cond_set_rhs (gs
, boolean_true_node
);
2382 gs
->gsbase
.subcode
= EQ_EXPR
;
2385 /* Check if conditional statemente GS is of the form 'if (1 == 1)',
2386 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */
2389 gimple_cond_true_p (const_gimple gs
)
2391 tree lhs
= gimple_cond_lhs (gs
);
2392 tree rhs
= gimple_cond_rhs (gs
);
2393 enum tree_code code
= gimple_cond_code (gs
);
2395 if (lhs
!= boolean_true_node
&& lhs
!= boolean_false_node
)
2398 if (rhs
!= boolean_true_node
&& rhs
!= boolean_false_node
)
2401 if (code
== NE_EXPR
&& lhs
!= rhs
)
2404 if (code
== EQ_EXPR
&& lhs
== rhs
)
2410 /* Check if conditional statement GS is of the form 'if (1 != 1)',
2411 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */
2414 gimple_cond_false_p (const_gimple gs
)
2416 tree lhs
= gimple_cond_lhs (gs
);
2417 tree rhs
= gimple_cond_rhs (gs
);
2418 enum tree_code code
= gimple_cond_code (gs
);
2420 if (lhs
!= boolean_true_node
&& lhs
!= boolean_false_node
)
2423 if (rhs
!= boolean_true_node
&& rhs
!= boolean_false_node
)
2426 if (code
== NE_EXPR
&& lhs
== rhs
)
2429 if (code
== EQ_EXPR
&& lhs
!= rhs
)
2435 /* Check if conditional statement GS is of the form 'if (var != 0)' or
2439 gimple_cond_single_var_p (gimple gs
)
2441 if (gimple_cond_code (gs
) == NE_EXPR
2442 && gimple_cond_rhs (gs
) == boolean_false_node
)
2445 if (gimple_cond_code (gs
) == EQ_EXPR
2446 && gimple_cond_rhs (gs
) == boolean_true_node
)
2452 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */
2455 gimple_cond_set_condition (gimple stmt
, enum tree_code code
, tree lhs
, tree rhs
)
2457 gimple_cond_set_code (stmt
, code
);
2458 gimple_cond_set_lhs (stmt
, lhs
);
2459 gimple_cond_set_rhs (stmt
, rhs
);
2462 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */
2465 gimple_label_label (const_gimple gs
)
2467 GIMPLE_CHECK (gs
, GIMPLE_LABEL
);
2468 return gimple_op (gs
, 0);
2472 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement
2476 gimple_label_set_label (gimple gs
, tree label
)
2478 GIMPLE_CHECK (gs
, GIMPLE_LABEL
);
2479 gcc_assert (TREE_CODE (label
) == LABEL_DECL
);
2480 gimple_set_op (gs
, 0, label
);
2484 /* Return the destination of the unconditional jump GS. */
2487 gimple_goto_dest (const_gimple gs
)
2489 GIMPLE_CHECK (gs
, GIMPLE_GOTO
);
2490 return gimple_op (gs
, 0);
2494 /* Set DEST to be the destination of the unconditonal jump GS. */
2497 gimple_goto_set_dest (gimple gs
, tree dest
)
2499 GIMPLE_CHECK (gs
, GIMPLE_GOTO
);
2500 gcc_assert (is_gimple_operand (dest
));
2501 gimple_set_op (gs
, 0, dest
);
2505 /* Return the variables declared in the GIMPLE_BIND statement GS. */
2508 gimple_bind_vars (const_gimple gs
)
2510 GIMPLE_CHECK (gs
, GIMPLE_BIND
);
2511 return gs
->gimple_bind
.vars
;
2515 /* Set VARS to be the set of variables declared in the GIMPLE_BIND
2519 gimple_bind_set_vars (gimple gs
, tree vars
)
2521 GIMPLE_CHECK (gs
, GIMPLE_BIND
);
2522 gs
->gimple_bind
.vars
= vars
;
2526 /* Append VARS to the set of variables declared in the GIMPLE_BIND
2530 gimple_bind_append_vars (gimple gs
, tree vars
)
2532 GIMPLE_CHECK (gs
, GIMPLE_BIND
);
2533 gs
->gimple_bind
.vars
= chainon (gs
->gimple_bind
.vars
, vars
);
2537 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */
2539 static inline gimple_seq
2540 gimple_bind_body (gimple gs
)
2542 GIMPLE_CHECK (gs
, GIMPLE_BIND
);
2543 return gs
->gimple_bind
.body
;
2547 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND
2551 gimple_bind_set_body (gimple gs
, gimple_seq seq
)
2553 GIMPLE_CHECK (gs
, GIMPLE_BIND
);
2554 gs
->gimple_bind
.body
= seq
;
2558 /* Append a statement to the end of a GIMPLE_BIND's body. */
2561 gimple_bind_add_stmt (gimple gs
, gimple stmt
)
2563 GIMPLE_CHECK (gs
, GIMPLE_BIND
);
2564 gimple_seq_add_stmt (&gs
->gimple_bind
.body
, stmt
);
2568 /* Append a sequence of statements to the end of a GIMPLE_BIND's body. */
2571 gimple_bind_add_seq (gimple gs
, gimple_seq seq
)
2573 GIMPLE_CHECK (gs
, GIMPLE_BIND
);
2574 gimple_seq_add_seq (&gs
->gimple_bind
.body
, seq
);
2578 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement
2579 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */
2582 gimple_bind_block (const_gimple gs
)
2584 GIMPLE_CHECK (gs
, GIMPLE_BIND
);
2585 return gs
->gimple_bind
.block
;
2589 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND
2593 gimple_bind_set_block (gimple gs
, tree block
)
2595 GIMPLE_CHECK (gs
, GIMPLE_BIND
);
2596 gcc_assert (block
== NULL_TREE
|| TREE_CODE (block
) == BLOCK
);
2597 gs
->gimple_bind
.block
= block
;
2601 /* Return the number of input operands for GIMPLE_ASM GS. */
2603 static inline unsigned
2604 gimple_asm_ninputs (const_gimple gs
)
2606 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2607 return gs
->gimple_asm
.ni
;
2611 /* Return the number of output operands for GIMPLE_ASM GS. */
2613 static inline unsigned
2614 gimple_asm_noutputs (const_gimple gs
)
2616 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2617 return gs
->gimple_asm
.no
;
2621 /* Return the number of clobber operands for GIMPLE_ASM GS. */
2623 static inline unsigned
2624 gimple_asm_nclobbers (const_gimple gs
)
2626 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2627 return gs
->gimple_asm
.nc
;
2630 /* Return the number of label operands for GIMPLE_ASM GS. */
2632 static inline unsigned
2633 gimple_asm_nlabels (const_gimple gs
)
2635 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2636 return gs
->gimple_asm
.nl
;
2639 /* Return input operand INDEX of GIMPLE_ASM GS. */
2642 gimple_asm_input_op (const_gimple gs
, unsigned index
)
2644 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2645 gcc_assert (index
<= gs
->gimple_asm
.ni
);
2646 return gimple_op (gs
, index
);
2649 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */
2651 static inline tree
*
2652 gimple_asm_input_op_ptr (const_gimple gs
, unsigned index
)
2654 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2655 gcc_assert (index
<= gs
->gimple_asm
.ni
);
2656 return gimple_op_ptr (gs
, index
);
2660 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */
2663 gimple_asm_set_input_op (gimple gs
, unsigned index
, tree in_op
)
2665 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2666 gcc_assert (index
<= gs
->gimple_asm
.ni
);
2667 gcc_assert (TREE_CODE (in_op
) == TREE_LIST
);
2668 gimple_set_op (gs
, index
, in_op
);
2672 /* Return output operand INDEX of GIMPLE_ASM GS. */
2675 gimple_asm_output_op (const_gimple gs
, unsigned index
)
2677 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2678 gcc_assert (index
<= gs
->gimple_asm
.no
);
2679 return gimple_op (gs
, index
+ gs
->gimple_asm
.ni
);
2682 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */
2684 static inline tree
*
2685 gimple_asm_output_op_ptr (const_gimple gs
, unsigned index
)
2687 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2688 gcc_assert (index
<= gs
->gimple_asm
.no
);
2689 return gimple_op_ptr (gs
, index
+ gs
->gimple_asm
.ni
);
2693 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */
2696 gimple_asm_set_output_op (gimple gs
, unsigned index
, tree out_op
)
2698 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2699 gcc_assert (index
<= gs
->gimple_asm
.no
);
2700 gcc_assert (TREE_CODE (out_op
) == TREE_LIST
);
2701 gimple_set_op (gs
, index
+ gs
->gimple_asm
.ni
, out_op
);
2705 /* Return clobber operand INDEX of GIMPLE_ASM GS. */
2708 gimple_asm_clobber_op (const_gimple gs
, unsigned index
)
2710 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2711 gcc_assert (index
<= gs
->gimple_asm
.nc
);
2712 return gimple_op (gs
, index
+ gs
->gimple_asm
.ni
+ gs
->gimple_asm
.no
);
2716 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */
2719 gimple_asm_set_clobber_op (gimple gs
, unsigned index
, tree clobber_op
)
2721 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2722 gcc_assert (index
<= gs
->gimple_asm
.nc
);
2723 gcc_assert (TREE_CODE (clobber_op
) == TREE_LIST
);
2724 gimple_set_op (gs
, index
+ gs
->gimple_asm
.ni
+ gs
->gimple_asm
.no
, clobber_op
);
2727 /* Return label operand INDEX of GIMPLE_ASM GS. */
2730 gimple_asm_label_op (const_gimple gs
, unsigned index
)
2732 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2733 gcc_assert (index
<= gs
->gimple_asm
.nl
);
2734 return gimple_op (gs
, index
+ gs
->gimple_asm
.ni
+ gs
->gimple_asm
.nc
);
2737 /* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS. */
2740 gimple_asm_set_label_op (gimple gs
, unsigned index
, tree label_op
)
2742 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2743 gcc_assert (index
<= gs
->gimple_asm
.nl
);
2744 gcc_assert (TREE_CODE (label_op
) == TREE_LIST
);
2745 gimple_set_op (gs
, index
+ gs
->gimple_asm
.ni
+ gs
->gimple_asm
.nc
, label_op
);
2748 /* Return the string representing the assembly instruction in
2751 static inline const char *
2752 gimple_asm_string (const_gimple gs
)
2754 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2755 return gs
->gimple_asm
.string
;
2759 /* Return true if GS is an asm statement marked volatile. */
2762 gimple_asm_volatile_p (const_gimple gs
)
2764 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2765 return (gs
->gsbase
.subcode
& GF_ASM_VOLATILE
) != 0;
2769 /* If VOLATLE_P is true, mark asm statement GS as volatile. */
2772 gimple_asm_set_volatile (gimple gs
, bool volatile_p
)
2774 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2776 gs
->gsbase
.subcode
|= GF_ASM_VOLATILE
;
2778 gs
->gsbase
.subcode
&= ~GF_ASM_VOLATILE
;
2782 /* If INPUT_P is true, mark asm GS as an ASM_INPUT. */
2785 gimple_asm_set_input (gimple gs
, bool input_p
)
2787 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2789 gs
->gsbase
.subcode
|= GF_ASM_INPUT
;
2791 gs
->gsbase
.subcode
&= ~GF_ASM_INPUT
;
2795 /* Return true if asm GS is an ASM_INPUT. */
2798 gimple_asm_input_p (const_gimple gs
)
2800 GIMPLE_CHECK (gs
, GIMPLE_ASM
);
2801 return (gs
->gsbase
.subcode
& GF_ASM_INPUT
) != 0;
2805 /* Return the types handled by GIMPLE_CATCH statement GS. */
2808 gimple_catch_types (const_gimple gs
)
2810 GIMPLE_CHECK (gs
, GIMPLE_CATCH
);
2811 return gs
->gimple_catch
.types
;
2815 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */
2817 static inline tree
*
2818 gimple_catch_types_ptr (gimple gs
)
2820 GIMPLE_CHECK (gs
, GIMPLE_CATCH
);
2821 return &gs
->gimple_catch
.types
;
2825 /* Return the GIMPLE sequence representing the body of the handler of
2826 GIMPLE_CATCH statement GS. */
2828 static inline gimple_seq
2829 gimple_catch_handler (gimple gs
)
2831 GIMPLE_CHECK (gs
, GIMPLE_CATCH
);
2832 return gs
->gimple_catch
.handler
;
2836 /* Return a pointer to the GIMPLE sequence representing the body of
2837 the handler of GIMPLE_CATCH statement GS. */
2839 static inline gimple_seq
*
2840 gimple_catch_handler_ptr (gimple gs
)
2842 GIMPLE_CHECK (gs
, GIMPLE_CATCH
);
2843 return &gs
->gimple_catch
.handler
;
2847 /* Set T to be the set of types handled by GIMPLE_CATCH GS. */
2850 gimple_catch_set_types (gimple gs
, tree t
)
2852 GIMPLE_CHECK (gs
, GIMPLE_CATCH
);
2853 gs
->gimple_catch
.types
= t
;
2857 /* Set HANDLER to be the body of GIMPLE_CATCH GS. */
2860 gimple_catch_set_handler (gimple gs
, gimple_seq handler
)
2862 GIMPLE_CHECK (gs
, GIMPLE_CATCH
);
2863 gs
->gimple_catch
.handler
= handler
;
2867 /* Return the types handled by GIMPLE_EH_FILTER statement GS. */
2870 gimple_eh_filter_types (const_gimple gs
)
2872 GIMPLE_CHECK (gs
, GIMPLE_EH_FILTER
);
2873 return gs
->gimple_eh_filter
.types
;
2877 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement
2880 static inline tree
*
2881 gimple_eh_filter_types_ptr (gimple gs
)
2883 GIMPLE_CHECK (gs
, GIMPLE_EH_FILTER
);
2884 return &gs
->gimple_eh_filter
.types
;
2888 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER
2891 static inline gimple_seq
2892 gimple_eh_filter_failure (gimple gs
)
2894 GIMPLE_CHECK (gs
, GIMPLE_EH_FILTER
);
2895 return gs
->gimple_eh_filter
.failure
;
2899 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */
2902 gimple_eh_filter_set_types (gimple gs
, tree types
)
2904 GIMPLE_CHECK (gs
, GIMPLE_EH_FILTER
);
2905 gs
->gimple_eh_filter
.types
= types
;
2909 /* Set FAILURE to be the sequence of statements to execute on failure
2910 for GIMPLE_EH_FILTER GS. */
2913 gimple_eh_filter_set_failure (gimple gs
, gimple_seq failure
)
2915 GIMPLE_CHECK (gs
, GIMPLE_EH_FILTER
);
2916 gs
->gimple_eh_filter
.failure
= failure
;
2919 /* Get the function decl to be called by the MUST_NOT_THROW region. */
2922 gimple_eh_must_not_throw_fndecl (gimple gs
)
2924 GIMPLE_CHECK (gs
, GIMPLE_EH_MUST_NOT_THROW
);
2925 return gs
->gimple_eh_mnt
.fndecl
;
2928 /* Set the function decl to be called by GS to DECL. */
2931 gimple_eh_must_not_throw_set_fndecl (gimple gs
, tree decl
)
2933 GIMPLE_CHECK (gs
, GIMPLE_EH_MUST_NOT_THROW
);
2934 gs
->gimple_eh_mnt
.fndecl
= decl
;
2938 /* GIMPLE_TRY accessors. */
2940 /* Return the kind of try block represented by GIMPLE_TRY GS. This is
2941 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */
2943 static inline enum gimple_try_flags
2944 gimple_try_kind (const_gimple gs
)
2946 GIMPLE_CHECK (gs
, GIMPLE_TRY
);
2947 return (enum gimple_try_flags
) (gs
->gsbase
.subcode
& GIMPLE_TRY_KIND
);
2951 /* Set the kind of try block represented by GIMPLE_TRY GS. */
2954 gimple_try_set_kind (gimple gs
, enum gimple_try_flags kind
)
2956 GIMPLE_CHECK (gs
, GIMPLE_TRY
);
2957 gcc_assert (kind
== GIMPLE_TRY_CATCH
|| kind
== GIMPLE_TRY_FINALLY
);
2958 if (gimple_try_kind (gs
) != kind
)
2959 gs
->gsbase
.subcode
= (unsigned int) kind
;
2963 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
2966 gimple_try_catch_is_cleanup (const_gimple gs
)
2968 gcc_assert (gimple_try_kind (gs
) == GIMPLE_TRY_CATCH
);
2969 return (gs
->gsbase
.subcode
& GIMPLE_TRY_CATCH_IS_CLEANUP
) != 0;
2973 /* Return the sequence of statements used as the body for GIMPLE_TRY GS. */
2975 static inline gimple_seq
2976 gimple_try_eval (gimple gs
)
2978 GIMPLE_CHECK (gs
, GIMPLE_TRY
);
2979 return gs
->gimple_try
.eval
;
2983 /* Return the sequence of statements used as the cleanup body for
2986 static inline gimple_seq
2987 gimple_try_cleanup (gimple gs
)
2989 GIMPLE_CHECK (gs
, GIMPLE_TRY
);
2990 return gs
->gimple_try
.cleanup
;
2994 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
2997 gimple_try_set_catch_is_cleanup (gimple g
, bool catch_is_cleanup
)
2999 gcc_assert (gimple_try_kind (g
) == GIMPLE_TRY_CATCH
);
3000 if (catch_is_cleanup
)
3001 g
->gsbase
.subcode
|= GIMPLE_TRY_CATCH_IS_CLEANUP
;
3003 g
->gsbase
.subcode
&= ~GIMPLE_TRY_CATCH_IS_CLEANUP
;
3007 /* Set EVAL to be the sequence of statements to use as the body for
3011 gimple_try_set_eval (gimple gs
, gimple_seq eval
)
3013 GIMPLE_CHECK (gs
, GIMPLE_TRY
);
3014 gs
->gimple_try
.eval
= eval
;
3018 /* Set CLEANUP to be the sequence of statements to use as the cleanup
3019 body for GIMPLE_TRY GS. */
3022 gimple_try_set_cleanup (gimple gs
, gimple_seq cleanup
)
3024 GIMPLE_CHECK (gs
, GIMPLE_TRY
);
3025 gs
->gimple_try
.cleanup
= cleanup
;
3029 /* Return the cleanup sequence for cleanup statement GS. */
3031 static inline gimple_seq
3032 gimple_wce_cleanup (gimple gs
)
3034 GIMPLE_CHECK (gs
, GIMPLE_WITH_CLEANUP_EXPR
);
3035 return gs
->gimple_wce
.cleanup
;
3039 /* Set CLEANUP to be the cleanup sequence for GS. */
3042 gimple_wce_set_cleanup (gimple gs
, gimple_seq cleanup
)
3044 GIMPLE_CHECK (gs
, GIMPLE_WITH_CLEANUP_EXPR
);
3045 gs
->gimple_wce
.cleanup
= cleanup
;
3049 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */
3052 gimple_wce_cleanup_eh_only (const_gimple gs
)
3054 GIMPLE_CHECK (gs
, GIMPLE_WITH_CLEANUP_EXPR
);
3055 return gs
->gsbase
.subcode
!= 0;
3059 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */
3062 gimple_wce_set_cleanup_eh_only (gimple gs
, bool eh_only_p
)
3064 GIMPLE_CHECK (gs
, GIMPLE_WITH_CLEANUP_EXPR
);
3065 gs
->gsbase
.subcode
= (unsigned int) eh_only_p
;
3069 /* Return the maximum number of arguments supported by GIMPLE_PHI GS. */
3071 static inline unsigned
3072 gimple_phi_capacity (const_gimple gs
)
3074 GIMPLE_CHECK (gs
, GIMPLE_PHI
);
3075 return gs
->gimple_phi
.capacity
;
3079 /* Return the number of arguments in GIMPLE_PHI GS. This must always
3080 be exactly the number of incoming edges for the basic block holding
3083 static inline unsigned
3084 gimple_phi_num_args (const_gimple gs
)
3086 GIMPLE_CHECK (gs
, GIMPLE_PHI
);
3087 return gs
->gimple_phi
.nargs
;
3091 /* Return the SSA name created by GIMPLE_PHI GS. */
3094 gimple_phi_result (const_gimple gs
)
3096 GIMPLE_CHECK (gs
, GIMPLE_PHI
);
3097 return gs
->gimple_phi
.result
;
3100 /* Return a pointer to the SSA name created by GIMPLE_PHI GS. */
3102 static inline tree
*
3103 gimple_phi_result_ptr (gimple gs
)
3105 GIMPLE_CHECK (gs
, GIMPLE_PHI
);
3106 return &gs
->gimple_phi
.result
;
3109 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */
3112 gimple_phi_set_result (gimple gs
, tree result
)
3114 GIMPLE_CHECK (gs
, GIMPLE_PHI
);
3115 gs
->gimple_phi
.result
= result
;
3119 /* Return the PHI argument corresponding to incoming edge INDEX for
3122 static inline struct phi_arg_d
*
3123 gimple_phi_arg (gimple gs
, unsigned index
)
3125 GIMPLE_CHECK (gs
, GIMPLE_PHI
);
3126 gcc_assert (index
<= gs
->gimple_phi
.capacity
);
3127 return &(gs
->gimple_phi
.args
[index
]);
3130 /* Set PHIARG to be the argument corresponding to incoming edge INDEX
3131 for GIMPLE_PHI GS. */
3134 gimple_phi_set_arg (gimple gs
, unsigned index
, struct phi_arg_d
* phiarg
)
3136 GIMPLE_CHECK (gs
, GIMPLE_PHI
);
3137 gcc_assert (index
<= gs
->gimple_phi
.nargs
);
3138 memcpy (gs
->gimple_phi
.args
+ index
, phiarg
, sizeof (struct phi_arg_d
));
3141 /* Return the region number for GIMPLE_RESX GS. */
3144 gimple_resx_region (const_gimple gs
)
3146 GIMPLE_CHECK (gs
, GIMPLE_RESX
);
3147 return gs
->gimple_eh_ctrl
.region
;
3150 /* Set REGION to be the region number for GIMPLE_RESX GS. */
3153 gimple_resx_set_region (gimple gs
, int region
)
3155 GIMPLE_CHECK (gs
, GIMPLE_RESX
);
3156 gs
->gimple_eh_ctrl
.region
= region
;
3159 /* Return the region number for GIMPLE_EH_DISPATCH GS. */
3162 gimple_eh_dispatch_region (const_gimple gs
)
3164 GIMPLE_CHECK (gs
, GIMPLE_EH_DISPATCH
);
3165 return gs
->gimple_eh_ctrl
.region
;
3168 /* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS. */
3171 gimple_eh_dispatch_set_region (gimple gs
, int region
)
3173 GIMPLE_CHECK (gs
, GIMPLE_EH_DISPATCH
);
3174 gs
->gimple_eh_ctrl
.region
= region
;
3177 /* Return the number of labels associated with the switch statement GS. */
3179 static inline unsigned
3180 gimple_switch_num_labels (const_gimple gs
)
3183 GIMPLE_CHECK (gs
, GIMPLE_SWITCH
);
3184 num_ops
= gimple_num_ops (gs
);
3185 gcc_assert (num_ops
> 1);
3190 /* Set NLABELS to be the number of labels for the switch statement GS. */
3193 gimple_switch_set_num_labels (gimple g
, unsigned nlabels
)
3195 GIMPLE_CHECK (g
, GIMPLE_SWITCH
);
3196 gimple_set_num_ops (g
, nlabels
+ 1);
3200 /* Return the index variable used by the switch statement GS. */
3203 gimple_switch_index (const_gimple gs
)
3205 GIMPLE_CHECK (gs
, GIMPLE_SWITCH
);
3206 return gimple_op (gs
, 0);
3210 /* Return a pointer to the index variable for the switch statement GS. */
3212 static inline tree
*
3213 gimple_switch_index_ptr (const_gimple gs
)
3215 GIMPLE_CHECK (gs
, GIMPLE_SWITCH
);
3216 return gimple_op_ptr (gs
, 0);
3220 /* Set INDEX to be the index variable for switch statement GS. */
3223 gimple_switch_set_index (gimple gs
, tree index
)
3225 GIMPLE_CHECK (gs
, GIMPLE_SWITCH
);
3226 gcc_assert (SSA_VAR_P (index
) || CONSTANT_CLASS_P (index
));
3227 gimple_set_op (gs
, 0, index
);
3231 /* Return the label numbered INDEX. The default label is 0, followed by any
3232 labels in a switch statement. */
3235 gimple_switch_label (const_gimple gs
, unsigned index
)
3237 GIMPLE_CHECK (gs
, GIMPLE_SWITCH
);
3238 gcc_assert (gimple_num_ops (gs
) > index
+ 1);
3239 return gimple_op (gs
, index
+ 1);
3242 /* Set the label number INDEX to LABEL. 0 is always the default label. */
3245 gimple_switch_set_label (gimple gs
, unsigned index
, tree label
)
3247 GIMPLE_CHECK (gs
, GIMPLE_SWITCH
);
3248 gcc_assert (gimple_num_ops (gs
) > index
+ 1);
3249 gcc_assert (label
== NULL_TREE
|| TREE_CODE (label
) == CASE_LABEL_EXPR
);
3250 gimple_set_op (gs
, index
+ 1, label
);
3253 /* Return the default label for a switch statement. */
3256 gimple_switch_default_label (const_gimple gs
)
3258 return gimple_switch_label (gs
, 0);
3261 /* Set the default label for a switch statement. */
3264 gimple_switch_set_default_label (gimple gs
, tree label
)
3266 gimple_switch_set_label (gs
, 0, label
);
3269 /* Return true if GS is a GIMPLE_DEBUG statement. */
3272 is_gimple_debug (const_gimple gs
)
3274 return gimple_code (gs
) == GIMPLE_DEBUG
;
3277 /* Return true if S is a GIMPLE_DEBUG BIND statement. */
3280 gimple_debug_bind_p (const_gimple s
)
3282 if (is_gimple_debug (s
))
3283 return s
->gsbase
.subcode
== GIMPLE_DEBUG_BIND
;
3288 /* Return the variable bound in a GIMPLE_DEBUG bind statement. */
3291 gimple_debug_bind_get_var (gimple dbg
)
3293 GIMPLE_CHECK (dbg
, GIMPLE_DEBUG
);
3294 gcc_assert (gimple_debug_bind_p (dbg
));
3295 return gimple_op (dbg
, 0);
3298 /* Return the value bound to the variable in a GIMPLE_DEBUG bind
3302 gimple_debug_bind_get_value (gimple dbg
)
3304 GIMPLE_CHECK (dbg
, GIMPLE_DEBUG
);
3305 gcc_assert (gimple_debug_bind_p (dbg
));
3306 return gimple_op (dbg
, 1);
3309 /* Return a pointer to the value bound to the variable in a
3310 GIMPLE_DEBUG bind statement. */
3312 static inline tree
*
3313 gimple_debug_bind_get_value_ptr (gimple dbg
)
3315 GIMPLE_CHECK (dbg
, GIMPLE_DEBUG
);
3316 gcc_assert (gimple_debug_bind_p (dbg
));
3317 return gimple_op_ptr (dbg
, 1);
3320 /* Set the variable bound in a GIMPLE_DEBUG bind statement. */
3323 gimple_debug_bind_set_var (gimple dbg
, tree var
)
3325 GIMPLE_CHECK (dbg
, GIMPLE_DEBUG
);
3326 gcc_assert (gimple_debug_bind_p (dbg
));
3327 gimple_set_op (dbg
, 0, var
);
3330 /* Set the value bound to the variable in a GIMPLE_DEBUG bind
3334 gimple_debug_bind_set_value (gimple dbg
, tree value
)
3336 GIMPLE_CHECK (dbg
, GIMPLE_DEBUG
);
3337 gcc_assert (gimple_debug_bind_p (dbg
));
3338 gimple_set_op (dbg
, 1, value
);
3341 /* The second operand of a GIMPLE_DEBUG_BIND, when the value was
3343 #define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */
3345 /* Remove the value bound to the variable in a GIMPLE_DEBUG bind
3349 gimple_debug_bind_reset_value (gimple dbg
)
3351 GIMPLE_CHECK (dbg
, GIMPLE_DEBUG
);
3352 gcc_assert (gimple_debug_bind_p (dbg
));
3353 gimple_set_op (dbg
, 1, GIMPLE_DEBUG_BIND_NOVALUE
);
3356 /* Return true if the GIMPLE_DEBUG bind statement is bound to a
3360 gimple_debug_bind_has_value_p (gimple dbg
)
3362 GIMPLE_CHECK (dbg
, GIMPLE_DEBUG
);
3363 gcc_assert (gimple_debug_bind_p (dbg
));
3364 return gimple_op (dbg
, 1) != GIMPLE_DEBUG_BIND_NOVALUE
;
3367 #undef GIMPLE_DEBUG_BIND_NOVALUE
3369 /* Return the body for the OMP statement GS. */
3371 static inline gimple_seq
3372 gimple_omp_body (gimple gs
)
3374 return gs
->omp
.body
;
3377 /* Set BODY to be the body for the OMP statement GS. */
3380 gimple_omp_set_body (gimple gs
, gimple_seq body
)
3382 gs
->omp
.body
= body
;
3386 /* Return the name associated with OMP_CRITICAL statement GS. */
3389 gimple_omp_critical_name (const_gimple gs
)
3391 GIMPLE_CHECK (gs
, GIMPLE_OMP_CRITICAL
);
3392 return gs
->gimple_omp_critical
.name
;
3396 /* Return a pointer to the name associated with OMP critical statement GS. */
3398 static inline tree
*
3399 gimple_omp_critical_name_ptr (gimple gs
)
3401 GIMPLE_CHECK (gs
, GIMPLE_OMP_CRITICAL
);
3402 return &gs
->gimple_omp_critical
.name
;
3406 /* Set NAME to be the name associated with OMP critical statement GS. */
3409 gimple_omp_critical_set_name (gimple gs
, tree name
)
3411 GIMPLE_CHECK (gs
, GIMPLE_OMP_CRITICAL
);
3412 gs
->gimple_omp_critical
.name
= name
;
3416 /* Return the clauses associated with OMP_FOR GS. */
3419 gimple_omp_for_clauses (const_gimple gs
)
3421 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
3422 return gs
->gimple_omp_for
.clauses
;
3426 /* Return a pointer to the OMP_FOR GS. */
3428 static inline tree
*
3429 gimple_omp_for_clauses_ptr (gimple gs
)
3431 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
3432 return &gs
->gimple_omp_for
.clauses
;
3436 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */
3439 gimple_omp_for_set_clauses (gimple gs
, tree clauses
)
3441 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
3442 gs
->gimple_omp_for
.clauses
= clauses
;
3446 /* Get the collapse count of OMP_FOR GS. */
3448 static inline size_t
3449 gimple_omp_for_collapse (gimple gs
)
3451 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
3452 return gs
->gimple_omp_for
.collapse
;
3456 /* Return the index variable for OMP_FOR GS. */
3459 gimple_omp_for_index (const_gimple gs
, size_t i
)
3461 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
3462 gcc_assert (i
< gs
->gimple_omp_for
.collapse
);
3463 return gs
->gimple_omp_for
.iter
[i
].index
;
3467 /* Return a pointer to the index variable for OMP_FOR GS. */
3469 static inline tree
*
3470 gimple_omp_for_index_ptr (gimple gs
, size_t i
)
3472 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
3473 gcc_assert (i
< gs
->gimple_omp_for
.collapse
);
3474 return &gs
->gimple_omp_for
.iter
[i
].index
;
3478 /* Set INDEX to be the index variable for OMP_FOR GS. */
3481 gimple_omp_for_set_index (gimple gs
, size_t i
, tree index
)
3483 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
3484 gcc_assert (i
< gs
->gimple_omp_for
.collapse
);
3485 gs
->gimple_omp_for
.iter
[i
].index
= index
;
3489 /* Return the initial value for OMP_FOR GS. */
3492 gimple_omp_for_initial (const_gimple gs
, size_t i
)
3494 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
3495 gcc_assert (i
< gs
->gimple_omp_for
.collapse
);
3496 return gs
->gimple_omp_for
.iter
[i
].initial
;
3500 /* Return a pointer to the initial value for OMP_FOR GS. */
3502 static inline tree
*
3503 gimple_omp_for_initial_ptr (gimple gs
, size_t i
)
3505 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
3506 gcc_assert (i
< gs
->gimple_omp_for
.collapse
);
3507 return &gs
->gimple_omp_for
.iter
[i
].initial
;
3511 /* Set INITIAL to be the initial value for OMP_FOR GS. */
3514 gimple_omp_for_set_initial (gimple gs
, size_t i
, tree initial
)
3516 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
3517 gcc_assert (i
< gs
->gimple_omp_for
.collapse
);
3518 gs
->gimple_omp_for
.iter
[i
].initial
= initial
;
3522 /* Return the final value for OMP_FOR GS. */
3525 gimple_omp_for_final (const_gimple gs
, size_t i
)
3527 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
3528 gcc_assert (i
< gs
->gimple_omp_for
.collapse
);
3529 return gs
->gimple_omp_for
.iter
[i
].final
;
3533 /* Return a pointer to the final value for OMP_FOR GS. */
3535 static inline tree
*
3536 gimple_omp_for_final_ptr (gimple gs
, size_t i
)
3538 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
3539 gcc_assert (i
< gs
->gimple_omp_for
.collapse
);
3540 return &gs
->gimple_omp_for
.iter
[i
].final
;
3544 /* Set FINAL to be the final value for OMP_FOR GS. */
3547 gimple_omp_for_set_final (gimple gs
, size_t i
, tree final
)
3549 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
3550 gcc_assert (i
< gs
->gimple_omp_for
.collapse
);
3551 gs
->gimple_omp_for
.iter
[i
].final
= final
;
3555 /* Return the increment value for OMP_FOR GS. */
3558 gimple_omp_for_incr (const_gimple gs
, size_t i
)
3560 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
3561 gcc_assert (i
< gs
->gimple_omp_for
.collapse
);
3562 return gs
->gimple_omp_for
.iter
[i
].incr
;
3566 /* Return a pointer to the increment value for OMP_FOR GS. */
3568 static inline tree
*
3569 gimple_omp_for_incr_ptr (gimple gs
, size_t i
)
3571 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
3572 gcc_assert (i
< gs
->gimple_omp_for
.collapse
);
3573 return &gs
->gimple_omp_for
.iter
[i
].incr
;
3577 /* Set INCR to be the increment value for OMP_FOR GS. */
3580 gimple_omp_for_set_incr (gimple gs
, size_t i
, tree incr
)
3582 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
3583 gcc_assert (i
< gs
->gimple_omp_for
.collapse
);
3584 gs
->gimple_omp_for
.iter
[i
].incr
= incr
;
3588 /* Return the sequence of statements to execute before the OMP_FOR
3589 statement GS starts. */
3591 static inline gimple_seq
3592 gimple_omp_for_pre_body (gimple gs
)
3594 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
3595 return gs
->gimple_omp_for
.pre_body
;
3599 /* Set PRE_BODY to be the sequence of statements to execute before the
3600 OMP_FOR statement GS starts. */
3603 gimple_omp_for_set_pre_body (gimple gs
, gimple_seq pre_body
)
3605 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
3606 gs
->gimple_omp_for
.pre_body
= pre_body
;
3610 /* Return the clauses associated with OMP_PARALLEL GS. */
3613 gimple_omp_parallel_clauses (const_gimple gs
)
3615 GIMPLE_CHECK (gs
, GIMPLE_OMP_PARALLEL
);
3616 return gs
->gimple_omp_parallel
.clauses
;
3620 /* Return a pointer to the clauses associated with OMP_PARALLEL GS. */
3622 static inline tree
*
3623 gimple_omp_parallel_clauses_ptr (gimple gs
)
3625 GIMPLE_CHECK (gs
, GIMPLE_OMP_PARALLEL
);
3626 return &gs
->gimple_omp_parallel
.clauses
;
3630 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL
3634 gimple_omp_parallel_set_clauses (gimple gs
, tree clauses
)
3636 GIMPLE_CHECK (gs
, GIMPLE_OMP_PARALLEL
);
3637 gs
->gimple_omp_parallel
.clauses
= clauses
;
3641 /* Return the child function used to hold the body of OMP_PARALLEL GS. */
3644 gimple_omp_parallel_child_fn (const_gimple gs
)
3646 GIMPLE_CHECK (gs
, GIMPLE_OMP_PARALLEL
);
3647 return gs
->gimple_omp_parallel
.child_fn
;
3650 /* Return a pointer to the child function used to hold the body of
3653 static inline tree
*
3654 gimple_omp_parallel_child_fn_ptr (gimple gs
)
3656 GIMPLE_CHECK (gs
, GIMPLE_OMP_PARALLEL
);
3657 return &gs
->gimple_omp_parallel
.child_fn
;
3661 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */
3664 gimple_omp_parallel_set_child_fn (gimple gs
, tree child_fn
)
3666 GIMPLE_CHECK (gs
, GIMPLE_OMP_PARALLEL
);
3667 gs
->gimple_omp_parallel
.child_fn
= child_fn
;
3671 /* Return the artificial argument used to send variables and values
3672 from the parent to the children threads in OMP_PARALLEL GS. */
3675 gimple_omp_parallel_data_arg (const_gimple gs
)
3677 GIMPLE_CHECK (gs
, GIMPLE_OMP_PARALLEL
);
3678 return gs
->gimple_omp_parallel
.data_arg
;
3682 /* Return a pointer to the data argument for OMP_PARALLEL GS. */
3684 static inline tree
*
3685 gimple_omp_parallel_data_arg_ptr (gimple gs
)
3687 GIMPLE_CHECK (gs
, GIMPLE_OMP_PARALLEL
);
3688 return &gs
->gimple_omp_parallel
.data_arg
;
3692 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */
3695 gimple_omp_parallel_set_data_arg (gimple gs
, tree data_arg
)
3697 GIMPLE_CHECK (gs
, GIMPLE_OMP_PARALLEL
);
3698 gs
->gimple_omp_parallel
.data_arg
= data_arg
;
3702 /* Return the clauses associated with OMP_TASK GS. */
3705 gimple_omp_task_clauses (const_gimple gs
)
3707 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3708 return gs
->gimple_omp_parallel
.clauses
;
3712 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3714 static inline tree
*
3715 gimple_omp_task_clauses_ptr (gimple gs
)
3717 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3718 return &gs
->gimple_omp_parallel
.clauses
;
3722 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3726 gimple_omp_task_set_clauses (gimple gs
, tree clauses
)
3728 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3729 gs
->gimple_omp_parallel
.clauses
= clauses
;
3733 /* Return the child function used to hold the body of OMP_TASK GS. */
3736 gimple_omp_task_child_fn (const_gimple gs
)
3738 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3739 return gs
->gimple_omp_parallel
.child_fn
;
3742 /* Return a pointer to the child function used to hold the body of
3745 static inline tree
*
3746 gimple_omp_task_child_fn_ptr (gimple gs
)
3748 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3749 return &gs
->gimple_omp_parallel
.child_fn
;
3753 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3756 gimple_omp_task_set_child_fn (gimple gs
, tree child_fn
)
3758 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3759 gs
->gimple_omp_parallel
.child_fn
= child_fn
;
3763 /* Return the artificial argument used to send variables and values
3764 from the parent to the children threads in OMP_TASK GS. */
3767 gimple_omp_task_data_arg (const_gimple gs
)
3769 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3770 return gs
->gimple_omp_parallel
.data_arg
;
3774 /* Return a pointer to the data argument for OMP_TASK GS. */
3776 static inline tree
*
3777 gimple_omp_task_data_arg_ptr (gimple gs
)
3779 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3780 return &gs
->gimple_omp_parallel
.data_arg
;
3784 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3787 gimple_omp_task_set_data_arg (gimple gs
, tree data_arg
)
3789 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3790 gs
->gimple_omp_parallel
.data_arg
= data_arg
;
3794 /* Return the clauses associated with OMP_TASK GS. */
3797 gimple_omp_taskreg_clauses (const_gimple gs
)
3799 if (gimple_code (gs
) != GIMPLE_OMP_PARALLEL
)
3800 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3801 return gs
->gimple_omp_parallel
.clauses
;
3805 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3807 static inline tree
*
3808 gimple_omp_taskreg_clauses_ptr (gimple gs
)
3810 if (gimple_code (gs
) != GIMPLE_OMP_PARALLEL
)
3811 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3812 return &gs
->gimple_omp_parallel
.clauses
;
3816 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3820 gimple_omp_taskreg_set_clauses (gimple gs
, tree clauses
)
3822 if (gimple_code (gs
) != GIMPLE_OMP_PARALLEL
)
3823 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3824 gs
->gimple_omp_parallel
.clauses
= clauses
;
3828 /* Return the child function used to hold the body of OMP_TASK GS. */
3831 gimple_omp_taskreg_child_fn (const_gimple gs
)
3833 if (gimple_code (gs
) != GIMPLE_OMP_PARALLEL
)
3834 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3835 return gs
->gimple_omp_parallel
.child_fn
;
3838 /* Return a pointer to the child function used to hold the body of
3841 static inline tree
*
3842 gimple_omp_taskreg_child_fn_ptr (gimple gs
)
3844 if (gimple_code (gs
) != GIMPLE_OMP_PARALLEL
)
3845 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3846 return &gs
->gimple_omp_parallel
.child_fn
;
3850 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3853 gimple_omp_taskreg_set_child_fn (gimple gs
, tree child_fn
)
3855 if (gimple_code (gs
) != GIMPLE_OMP_PARALLEL
)
3856 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3857 gs
->gimple_omp_parallel
.child_fn
= child_fn
;
3861 /* Return the artificial argument used to send variables and values
3862 from the parent to the children threads in OMP_TASK GS. */
3865 gimple_omp_taskreg_data_arg (const_gimple gs
)
3867 if (gimple_code (gs
) != GIMPLE_OMP_PARALLEL
)
3868 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3869 return gs
->gimple_omp_parallel
.data_arg
;
3873 /* Return a pointer to the data argument for OMP_TASK GS. */
3875 static inline tree
*
3876 gimple_omp_taskreg_data_arg_ptr (gimple gs
)
3878 if (gimple_code (gs
) != GIMPLE_OMP_PARALLEL
)
3879 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3880 return &gs
->gimple_omp_parallel
.data_arg
;
3884 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3887 gimple_omp_taskreg_set_data_arg (gimple gs
, tree data_arg
)
3889 if (gimple_code (gs
) != GIMPLE_OMP_PARALLEL
)
3890 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3891 gs
->gimple_omp_parallel
.data_arg
= data_arg
;
3895 /* Return the copy function used to hold the body of OMP_TASK GS. */
3898 gimple_omp_task_copy_fn (const_gimple gs
)
3900 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3901 return gs
->gimple_omp_task
.copy_fn
;
3904 /* Return a pointer to the copy function used to hold the body of
3907 static inline tree
*
3908 gimple_omp_task_copy_fn_ptr (gimple gs
)
3910 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3911 return &gs
->gimple_omp_task
.copy_fn
;
3915 /* Set CHILD_FN to be the copy function for OMP_TASK GS. */
3918 gimple_omp_task_set_copy_fn (gimple gs
, tree copy_fn
)
3920 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3921 gs
->gimple_omp_task
.copy_fn
= copy_fn
;
3925 /* Return size of the data block in bytes in OMP_TASK GS. */
3928 gimple_omp_task_arg_size (const_gimple gs
)
3930 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3931 return gs
->gimple_omp_task
.arg_size
;
3935 /* Return a pointer to the data block size for OMP_TASK GS. */
3937 static inline tree
*
3938 gimple_omp_task_arg_size_ptr (gimple gs
)
3940 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3941 return &gs
->gimple_omp_task
.arg_size
;
3945 /* Set ARG_SIZE to be the data block size for OMP_TASK GS. */
3948 gimple_omp_task_set_arg_size (gimple gs
, tree arg_size
)
3950 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3951 gs
->gimple_omp_task
.arg_size
= arg_size
;
3955 /* Return align of the data block in bytes in OMP_TASK GS. */
3958 gimple_omp_task_arg_align (const_gimple gs
)
3960 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3961 return gs
->gimple_omp_task
.arg_align
;
3965 /* Return a pointer to the data block align for OMP_TASK GS. */
3967 static inline tree
*
3968 gimple_omp_task_arg_align_ptr (gimple gs
)
3970 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3971 return &gs
->gimple_omp_task
.arg_align
;
3975 /* Set ARG_SIZE to be the data block align for OMP_TASK GS. */
3978 gimple_omp_task_set_arg_align (gimple gs
, tree arg_align
)
3980 GIMPLE_CHECK (gs
, GIMPLE_OMP_TASK
);
3981 gs
->gimple_omp_task
.arg_align
= arg_align
;
3985 /* Return the clauses associated with OMP_SINGLE GS. */
3988 gimple_omp_single_clauses (const_gimple gs
)
3990 GIMPLE_CHECK (gs
, GIMPLE_OMP_SINGLE
);
3991 return gs
->gimple_omp_single
.clauses
;
3995 /* Return a pointer to the clauses associated with OMP_SINGLE GS. */
3997 static inline tree
*
3998 gimple_omp_single_clauses_ptr (gimple gs
)
4000 GIMPLE_CHECK (gs
, GIMPLE_OMP_SINGLE
);
4001 return &gs
->gimple_omp_single
.clauses
;
4005 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */
4008 gimple_omp_single_set_clauses (gimple gs
, tree clauses
)
4010 GIMPLE_CHECK (gs
, GIMPLE_OMP_SINGLE
);
4011 gs
->gimple_omp_single
.clauses
= clauses
;
4015 /* Return the clauses associated with OMP_SECTIONS GS. */
4018 gimple_omp_sections_clauses (const_gimple gs
)
4020 GIMPLE_CHECK (gs
, GIMPLE_OMP_SECTIONS
);
4021 return gs
->gimple_omp_sections
.clauses
;
4025 /* Return a pointer to the clauses associated with OMP_SECTIONS GS. */
4027 static inline tree
*
4028 gimple_omp_sections_clauses_ptr (gimple gs
)
4030 GIMPLE_CHECK (gs
, GIMPLE_OMP_SECTIONS
);
4031 return &gs
->gimple_omp_sections
.clauses
;
4035 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS
4039 gimple_omp_sections_set_clauses (gimple gs
, tree clauses
)
4041 GIMPLE_CHECK (gs
, GIMPLE_OMP_SECTIONS
);
4042 gs
->gimple_omp_sections
.clauses
= clauses
;
4046 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS
4050 gimple_omp_sections_control (const_gimple gs
)
4052 GIMPLE_CHECK (gs
, GIMPLE_OMP_SECTIONS
);
4053 return gs
->gimple_omp_sections
.control
;
4057 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS
4060 static inline tree
*
4061 gimple_omp_sections_control_ptr (gimple gs
)
4063 GIMPLE_CHECK (gs
, GIMPLE_OMP_SECTIONS
);
4064 return &gs
->gimple_omp_sections
.control
;
4068 /* Set CONTROL to be the set of clauses associated with the
4069 GIMPLE_OMP_SECTIONS in GS. */
4072 gimple_omp_sections_set_control (gimple gs
, tree control
)
4074 GIMPLE_CHECK (gs
, GIMPLE_OMP_SECTIONS
);
4075 gs
->gimple_omp_sections
.control
= control
;
4079 /* Set COND to be the condition code for OMP_FOR GS. */
4082 gimple_omp_for_set_cond (gimple gs
, size_t i
, enum tree_code cond
)
4084 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
4085 gcc_assert (TREE_CODE_CLASS (cond
) == tcc_comparison
);
4086 gcc_assert (i
< gs
->gimple_omp_for
.collapse
);
4087 gs
->gimple_omp_for
.iter
[i
].cond
= cond
;
4091 /* Return the condition code associated with OMP_FOR GS. */
4093 static inline enum tree_code
4094 gimple_omp_for_cond (const_gimple gs
, size_t i
)
4096 GIMPLE_CHECK (gs
, GIMPLE_OMP_FOR
);
4097 gcc_assert (i
< gs
->gimple_omp_for
.collapse
);
4098 return gs
->gimple_omp_for
.iter
[i
].cond
;
4102 /* Set the value being stored in an atomic store. */
4105 gimple_omp_atomic_store_set_val (gimple g
, tree val
)
4107 GIMPLE_CHECK (g
, GIMPLE_OMP_ATOMIC_STORE
);
4108 g
->gimple_omp_atomic_store
.val
= val
;
4112 /* Return the value being stored in an atomic store. */
4115 gimple_omp_atomic_store_val (const_gimple g
)
4117 GIMPLE_CHECK (g
, GIMPLE_OMP_ATOMIC_STORE
);
4118 return g
->gimple_omp_atomic_store
.val
;
4122 /* Return a pointer to the value being stored in an atomic store. */
4124 static inline tree
*
4125 gimple_omp_atomic_store_val_ptr (gimple g
)
4127 GIMPLE_CHECK (g
, GIMPLE_OMP_ATOMIC_STORE
);
4128 return &g
->gimple_omp_atomic_store
.val
;
4132 /* Set the LHS of an atomic load. */
4135 gimple_omp_atomic_load_set_lhs (gimple g
, tree lhs
)
4137 GIMPLE_CHECK (g
, GIMPLE_OMP_ATOMIC_LOAD
);
4138 g
->gimple_omp_atomic_load
.lhs
= lhs
;
4142 /* Get the LHS of an atomic load. */
4145 gimple_omp_atomic_load_lhs (const_gimple g
)
4147 GIMPLE_CHECK (g
, GIMPLE_OMP_ATOMIC_LOAD
);
4148 return g
->gimple_omp_atomic_load
.lhs
;
4152 /* Return a pointer to the LHS of an atomic load. */
4154 static inline tree
*
4155 gimple_omp_atomic_load_lhs_ptr (gimple g
)
4157 GIMPLE_CHECK (g
, GIMPLE_OMP_ATOMIC_LOAD
);
4158 return &g
->gimple_omp_atomic_load
.lhs
;
4162 /* Set the RHS of an atomic load. */
4165 gimple_omp_atomic_load_set_rhs (gimple g
, tree rhs
)
4167 GIMPLE_CHECK (g
, GIMPLE_OMP_ATOMIC_LOAD
);
4168 g
->gimple_omp_atomic_load
.rhs
= rhs
;
4172 /* Get the RHS of an atomic load. */
4175 gimple_omp_atomic_load_rhs (const_gimple g
)
4177 GIMPLE_CHECK (g
, GIMPLE_OMP_ATOMIC_LOAD
);
4178 return g
->gimple_omp_atomic_load
.rhs
;
4182 /* Return a pointer to the RHS of an atomic load. */
4184 static inline tree
*
4185 gimple_omp_atomic_load_rhs_ptr (gimple g
)
4187 GIMPLE_CHECK (g
, GIMPLE_OMP_ATOMIC_LOAD
);
4188 return &g
->gimple_omp_atomic_load
.rhs
;
4192 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4195 gimple_omp_continue_control_def (const_gimple g
)
4197 GIMPLE_CHECK (g
, GIMPLE_OMP_CONTINUE
);
4198 return g
->gimple_omp_continue
.control_def
;
4201 /* The same as above, but return the address. */
4203 static inline tree
*
4204 gimple_omp_continue_control_def_ptr (gimple g
)
4206 GIMPLE_CHECK (g
, GIMPLE_OMP_CONTINUE
);
4207 return &g
->gimple_omp_continue
.control_def
;
4210 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4213 gimple_omp_continue_set_control_def (gimple g
, tree def
)
4215 GIMPLE_CHECK (g
, GIMPLE_OMP_CONTINUE
);
4216 g
->gimple_omp_continue
.control_def
= def
;
4220 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4223 gimple_omp_continue_control_use (const_gimple g
)
4225 GIMPLE_CHECK (g
, GIMPLE_OMP_CONTINUE
);
4226 return g
->gimple_omp_continue
.control_use
;
4230 /* The same as above, but return the address. */
4232 static inline tree
*
4233 gimple_omp_continue_control_use_ptr (gimple g
)
4235 GIMPLE_CHECK (g
, GIMPLE_OMP_CONTINUE
);
4236 return &g
->gimple_omp_continue
.control_use
;
4240 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4243 gimple_omp_continue_set_control_use (gimple g
, tree use
)
4245 GIMPLE_CHECK (g
, GIMPLE_OMP_CONTINUE
);
4246 g
->gimple_omp_continue
.control_use
= use
;
4250 /* Return a pointer to the return value for GIMPLE_RETURN GS. */
4252 static inline tree
*
4253 gimple_return_retval_ptr (const_gimple gs
)
4255 GIMPLE_CHECK (gs
, GIMPLE_RETURN
);
4256 gcc_assert (gimple_num_ops (gs
) == 1);
4257 return gimple_op_ptr (gs
, 0);
4260 /* Return the return value for GIMPLE_RETURN GS. */
4263 gimple_return_retval (const_gimple gs
)
4265 GIMPLE_CHECK (gs
, GIMPLE_RETURN
);
4266 gcc_assert (gimple_num_ops (gs
) == 1);
4267 return gimple_op (gs
, 0);
4271 /* Set RETVAL to be the return value for GIMPLE_RETURN GS. */
4274 gimple_return_set_retval (gimple gs
, tree retval
)
4276 GIMPLE_CHECK (gs
, GIMPLE_RETURN
);
4277 gcc_assert (gimple_num_ops (gs
) == 1);
4278 gcc_assert (retval
== NULL_TREE
4279 || TREE_CODE (retval
) == RESULT_DECL
4280 || is_gimple_val (retval
));
4281 gimple_set_op (gs
, 0, retval
);
4285 /* Returns true when the gimple statment STMT is any of the OpenMP types. */
4287 #define CASE_GIMPLE_OMP \
4288 case GIMPLE_OMP_PARALLEL: \
4289 case GIMPLE_OMP_TASK: \
4290 case GIMPLE_OMP_FOR: \
4291 case GIMPLE_OMP_SECTIONS: \
4292 case GIMPLE_OMP_SECTIONS_SWITCH: \
4293 case GIMPLE_OMP_SINGLE: \
4294 case GIMPLE_OMP_SECTION: \
4295 case GIMPLE_OMP_MASTER: \
4296 case GIMPLE_OMP_ORDERED: \
4297 case GIMPLE_OMP_CRITICAL: \
4298 case GIMPLE_OMP_RETURN: \
4299 case GIMPLE_OMP_ATOMIC_LOAD: \
4300 case GIMPLE_OMP_ATOMIC_STORE: \
4301 case GIMPLE_OMP_CONTINUE
4304 is_gimple_omp (const_gimple stmt
)
4306 switch (gimple_code (stmt
))
4316 /* Returns TRUE if statement G is a GIMPLE_NOP. */
4319 gimple_nop_p (const_gimple g
)
4321 return gimple_code (g
) == GIMPLE_NOP
;
4325 /* Return true if GS is a GIMPLE_RESX. */
4328 is_gimple_resx (const_gimple gs
)
4330 return gimple_code (gs
) == GIMPLE_RESX
;
4333 /* Return the predictor of GIMPLE_PREDICT statement GS. */
4335 static inline enum br_predictor
4336 gimple_predict_predictor (gimple gs
)
4338 GIMPLE_CHECK (gs
, GIMPLE_PREDICT
);
4339 return (enum br_predictor
) (gs
->gsbase
.subcode
& ~GF_PREDICT_TAKEN
);
4343 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */
4346 gimple_predict_set_predictor (gimple gs
, enum br_predictor predictor
)
4348 GIMPLE_CHECK (gs
, GIMPLE_PREDICT
);
4349 gs
->gsbase
.subcode
= (gs
->gsbase
.subcode
& GF_PREDICT_TAKEN
)
4350 | (unsigned) predictor
;
4354 /* Return the outcome of GIMPLE_PREDICT statement GS. */
4356 static inline enum prediction
4357 gimple_predict_outcome (gimple gs
)
4359 GIMPLE_CHECK (gs
, GIMPLE_PREDICT
);
4360 return (gs
->gsbase
.subcode
& GF_PREDICT_TAKEN
) ? TAKEN
: NOT_TAKEN
;
4364 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */
4367 gimple_predict_set_outcome (gimple gs
, enum prediction outcome
)
4369 GIMPLE_CHECK (gs
, GIMPLE_PREDICT
);
4370 if (outcome
== TAKEN
)
4371 gs
->gsbase
.subcode
|= GF_PREDICT_TAKEN
;
4373 gs
->gsbase
.subcode
&= ~GF_PREDICT_TAKEN
;
4377 /* Return the type of the main expression computed by STMT. Return
4378 void_type_node if the statement computes nothing. */
4381 gimple_expr_type (const_gimple stmt
)
4383 enum gimple_code code
= gimple_code (stmt
);
4385 if (code
== GIMPLE_ASSIGN
|| code
== GIMPLE_CALL
)
4388 /* In general we want to pass out a type that can be substituted
4389 for both the RHS and the LHS types if there is a possibly
4390 useless conversion involved. That means returning the
4391 original RHS type as far as we can reconstruct it. */
4392 if (code
== GIMPLE_CALL
)
4393 type
= gimple_call_return_type (stmt
);
4395 switch (gimple_assign_rhs_code (stmt
))
4397 case POINTER_PLUS_EXPR
:
4398 type
= TREE_TYPE (gimple_assign_rhs1 (stmt
));
4402 /* As fallback use the type of the LHS. */
4403 type
= TREE_TYPE (gimple_get_lhs (stmt
));
4408 else if (code
== GIMPLE_COND
)
4409 return boolean_type_node
;
4411 return void_type_node
;
4415 /* Return a new iterator pointing to GIMPLE_SEQ's first statement. */
4417 static inline gimple_stmt_iterator
4418 gsi_start (gimple_seq seq
)
4420 gimple_stmt_iterator i
;
4422 i
.ptr
= gimple_seq_first (seq
);
4424 i
.bb
= (i
.ptr
&& i
.ptr
->stmt
) ? gimple_bb (i
.ptr
->stmt
) : NULL
;
4430 /* Return a new iterator pointing to the first statement in basic block BB. */
4432 static inline gimple_stmt_iterator
4433 gsi_start_bb (basic_block bb
)
4435 gimple_stmt_iterator i
;
4439 i
.ptr
= gimple_seq_first (seq
);
4447 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */
4449 static inline gimple_stmt_iterator
4450 gsi_last (gimple_seq seq
)
4452 gimple_stmt_iterator i
;
4454 i
.ptr
= gimple_seq_last (seq
);
4456 i
.bb
= (i
.ptr
&& i
.ptr
->stmt
) ? gimple_bb (i
.ptr
->stmt
) : NULL
;
4462 /* Return a new iterator pointing to the last statement in basic block BB. */
4464 static inline gimple_stmt_iterator
4465 gsi_last_bb (basic_block bb
)
4467 gimple_stmt_iterator i
;
4471 i
.ptr
= gimple_seq_last (seq
);
4479 /* Return true if I is at the end of its sequence. */
4482 gsi_end_p (gimple_stmt_iterator i
)
4484 return i
.ptr
== NULL
;
4488 /* Return true if I is one statement before the end of its sequence. */
4491 gsi_one_before_end_p (gimple_stmt_iterator i
)
4493 return i
.ptr
!= NULL
&& i
.ptr
->next
== NULL
;
4497 /* Advance the iterator to the next gimple statement. */
4500 gsi_next (gimple_stmt_iterator
*i
)
4502 i
->ptr
= i
->ptr
->next
;
4505 /* Advance the iterator to the previous gimple statement. */
4508 gsi_prev (gimple_stmt_iterator
*i
)
4510 i
->ptr
= i
->ptr
->prev
;
4513 /* Return the current stmt. */
4515 static inline gimple
4516 gsi_stmt (gimple_stmt_iterator i
)
4521 /* Return a block statement iterator that points to the first non-label
4522 statement in block BB. */
4524 static inline gimple_stmt_iterator
4525 gsi_after_labels (basic_block bb
)
4527 gimple_stmt_iterator gsi
= gsi_start_bb (bb
);
4529 while (!gsi_end_p (gsi
) && gimple_code (gsi_stmt (gsi
)) == GIMPLE_LABEL
)
4535 /* Advance the iterator to the next non-debug gimple statement. */
4538 gsi_next_nondebug (gimple_stmt_iterator
*i
)
4544 while (!gsi_end_p (*i
) && is_gimple_debug (gsi_stmt (*i
)));
4547 /* Advance the iterator to the next non-debug gimple statement. */
4550 gsi_prev_nondebug (gimple_stmt_iterator
*i
)
4556 while (!gsi_end_p (*i
) && is_gimple_debug (gsi_stmt (*i
)));
4559 /* Return a new iterator pointing to the first non-debug statement in
4562 static inline gimple_stmt_iterator
4563 gsi_start_nondebug_bb (basic_block bb
)
4565 gimple_stmt_iterator i
= gsi_start_bb (bb
);
4567 if (!gsi_end_p (i
) && is_gimple_debug (gsi_stmt (i
)))
4568 gsi_next_nondebug (&i
);
4573 /* Return a new iterator pointing to the last non-debug statement in
4576 static inline gimple_stmt_iterator
4577 gsi_last_nondebug_bb (basic_block bb
)
4579 gimple_stmt_iterator i
= gsi_last_bb (bb
);
4581 if (!gsi_end_p (i
) && is_gimple_debug (gsi_stmt (i
)))
4582 gsi_prev_nondebug (&i
);
4587 /* Return a pointer to the current stmt.
4589 NOTE: You may want to use gsi_replace on the iterator itself,
4590 as this performs additional bookkeeping that will not be done
4591 if you simply assign through a pointer returned by gsi_stmt_ptr. */
4593 static inline gimple
*
4594 gsi_stmt_ptr (gimple_stmt_iterator
*i
)
4596 return &i
->ptr
->stmt
;
4600 /* Return the basic block associated with this iterator. */
4602 static inline basic_block
4603 gsi_bb (gimple_stmt_iterator i
)
4609 /* Return the sequence associated with this iterator. */
4611 static inline gimple_seq
4612 gsi_seq (gimple_stmt_iterator i
)
4618 enum gsi_iterator_update
4620 GSI_NEW_STMT
, /* Only valid when single statement is added, move
4622 GSI_SAME_STMT
, /* Leave the iterator at the same statement. */
4623 GSI_CONTINUE_LINKING
/* Move iterator to whatever position is suitable
4624 for linking other statements in the same
4628 /* In gimple-iterator.c */
4629 gimple_stmt_iterator
gsi_start_phis (basic_block
);
4630 gimple_seq
gsi_split_seq_after (gimple_stmt_iterator
);
4631 gimple_seq
gsi_split_seq_before (gimple_stmt_iterator
*);
4632 void gsi_replace (gimple_stmt_iterator
*, gimple
, bool);
4633 void gsi_insert_before (gimple_stmt_iterator
*, gimple
,
4634 enum gsi_iterator_update
);
4635 void gsi_insert_before_without_update (gimple_stmt_iterator
*, gimple
,
4636 enum gsi_iterator_update
);
4637 void gsi_insert_seq_before (gimple_stmt_iterator
*, gimple_seq
,
4638 enum gsi_iterator_update
);
4639 void gsi_insert_seq_before_without_update (gimple_stmt_iterator
*, gimple_seq
,
4640 enum gsi_iterator_update
);
4641 void gsi_insert_after (gimple_stmt_iterator
*, gimple
,
4642 enum gsi_iterator_update
);
4643 void gsi_insert_after_without_update (gimple_stmt_iterator
*, gimple
,
4644 enum gsi_iterator_update
);
4645 void gsi_insert_seq_after (gimple_stmt_iterator
*, gimple_seq
,
4646 enum gsi_iterator_update
);
4647 void gsi_insert_seq_after_without_update (gimple_stmt_iterator
*, gimple_seq
,
4648 enum gsi_iterator_update
);
4649 void gsi_remove (gimple_stmt_iterator
*, bool);
4650 gimple_stmt_iterator
gsi_for_stmt (gimple
);
4651 void gsi_move_after (gimple_stmt_iterator
*, gimple_stmt_iterator
*);
4652 void gsi_move_before (gimple_stmt_iterator
*, gimple_stmt_iterator
*);
4653 void gsi_move_to_bb_end (gimple_stmt_iterator
*, struct basic_block_def
*);
4654 void gsi_insert_on_edge (edge
, gimple
);
4655 void gsi_insert_seq_on_edge (edge
, gimple_seq
);
4656 basic_block
gsi_insert_on_edge_immediate (edge
, gimple
);
4657 basic_block
gsi_insert_seq_on_edge_immediate (edge
, gimple_seq
);
4658 void gsi_commit_one_edge_insert (edge
, basic_block
*);
4659 void gsi_commit_edge_inserts (void);
4660 gimple
gimple_call_copy_skip_args (gimple
, bitmap
);
4663 /* Convenience routines to walk all statements of a gimple function.
4664 Note that this is useful exclusively before the code is converted
4665 into SSA form. Once the program is in SSA form, the standard
4666 operand interface should be used to analyze/modify statements. */
4667 struct walk_stmt_info
4669 /* Points to the current statement being walked. */
4670 gimple_stmt_iterator gsi
;
4672 /* Additional data that the callback functions may want to carry
4673 through the recursion. */
4676 /* Pointer map used to mark visited tree nodes when calling
4677 walk_tree on each operand. If set to NULL, duplicate tree nodes
4678 will be visited more than once. */
4679 struct pointer_set_t
*pset
;
4681 /* Indicates whether the operand being examined may be replaced
4682 with something that matches is_gimple_val (if true) or something
4683 slightly more complicated (if false). "Something" technically
4684 means the common subset of is_gimple_lvalue and is_gimple_rhs,
4685 but we never try to form anything more complicated than that, so
4686 we don't bother checking.
4688 Also note that CALLBACK should update this flag while walking the
4689 sub-expressions of a statement. For instance, when walking the
4690 statement 'foo (&var)', the flag VAL_ONLY will initially be set
4691 to true, however, when walking &var, the operand of that
4692 ADDR_EXPR does not need to be a GIMPLE value. */
4695 /* True if we are currently walking the LHS of an assignment. */
4698 /* Optional. Set to true by the callback functions if they made any
4702 /* True if we're interested in location information. */
4703 bool want_locations
;
4705 /* Operand returned by the callbacks. This is set when calling
4706 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback
4707 returns non-NULL, this field will contain the tree returned by
4708 the last callback. */
4709 tree callback_result
;
4712 /* Callback for walk_gimple_stmt. Called for every statement found
4713 during traversal. The first argument points to the statement to
4714 walk. The second argument is a flag that the callback sets to
4715 'true' if it the callback handled all the operands and
4716 sub-statements of the statement (the default value of this flag is
4717 'false'). The third argument is an anonymous pointer to data
4718 to be used by the callback. */
4719 typedef tree (*walk_stmt_fn
) (gimple_stmt_iterator
*, bool *,
4720 struct walk_stmt_info
*);
4722 gimple
walk_gimple_seq (gimple_seq
, walk_stmt_fn
, walk_tree_fn
,
4723 struct walk_stmt_info
*);
4724 tree
walk_gimple_stmt (gimple_stmt_iterator
*, walk_stmt_fn
, walk_tree_fn
,
4725 struct walk_stmt_info
*);
4726 tree
walk_gimple_op (gimple
, walk_tree_fn
, struct walk_stmt_info
*);
4728 #ifdef GATHER_STATISTICS
4729 /* Enum and arrays used for allocation stats. Keep in sync with
4730 gimple.c:gimple_alloc_kind_names. */
4731 enum gimple_alloc_kind
4733 gimple_alloc_kind_assign
, /* Assignments. */
4734 gimple_alloc_kind_phi
, /* PHI nodes. */
4735 gimple_alloc_kind_cond
, /* Conditionals. */
4736 gimple_alloc_kind_seq
, /* Sequences. */
4737 gimple_alloc_kind_rest
, /* Everything else. */
4738 gimple_alloc_kind_all
4741 extern int gimple_alloc_counts
[];
4742 extern int gimple_alloc_sizes
[];
4744 /* Return the allocation kind for a given stmt CODE. */
4745 static inline enum gimple_alloc_kind
4746 gimple_alloc_kind (enum gimple_code code
)
4751 return gimple_alloc_kind_assign
;
4753 return gimple_alloc_kind_phi
;
4755 return gimple_alloc_kind_cond
;
4757 return gimple_alloc_kind_rest
;
4760 #endif /* GATHER_STATISTICS */
4762 extern void dump_gimple_statistics (void);
4764 #endif /* GCC_GIMPLE_H */