1 /* Gimple IR definitions.
3 Copyright 2007, 2008, 2009, 2010, 2011 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"
30 #include "basic-block.h"
31 #include "tree-ssa-operands.h"
32 #include "tree-ssa-alias.h"
33 #include "internal-fn.h"
35 struct gimple_seq_node_d;
36 typedef struct gimple_seq_node_d *gimple_seq_node;
37 typedef const struct gimple_seq_node_d *const_gimple_seq_node;
39 /* For each block, the PHI nodes that need to be rewritten are stored into
41 typedef VEC(gimple, heap) *gimple_vec;
42 DEF_VEC_P (gimple_vec);
43 DEF_VEC_ALLOC_P (gimple_vec, heap);
46 #define DEFGSCODE(SYM, STRING, STRUCT) SYM,
49 LAST_AND_UNUSED_GIMPLE_CODE
52 extern const char *const gimple_code_name[];
53 extern const unsigned char gimple_rhs_class_table[];
55 /* Error out if a gimple tuple is addressed incorrectly. */
56 #if defined ENABLE_GIMPLE_CHECKING
57 #define gcc_gimple_checking_assert(EXPR) gcc_assert (EXPR)
58 extern void gimple_check_failed (const_gimple, const char *, int, \
59 const char *, enum gimple_code, \
60 enum tree_code) ATTRIBUTE_NORETURN;
62 #define GIMPLE_CHECK(GS, CODE) \
64 const_gimple __gs = (GS); \
65 if (gimple_code (__gs) != (CODE)) \
66 gimple_check_failed (__gs, __FILE__, __LINE__, __FUNCTION__, \
67 (CODE), ERROR_MARK); \
69 #else /* not ENABLE_GIMPLE_CHECKING */
70 #define gcc_gimple_checking_assert(EXPR) ((void)(0 && (EXPR)))
71 #define GIMPLE_CHECK(GS, CODE) (void)0
74 /* Class of GIMPLE expressions suitable for the RHS of assignments. See
75 get_gimple_rhs_class. */
78 GIMPLE_INVALID_RHS, /* The expression cannot be used on the RHS. */
79 GIMPLE_TERNARY_RHS, /* The expression is a ternary operation. */
80 GIMPLE_BINARY_RHS, /* The expression is a binary operation. */
81 GIMPLE_UNARY_RHS, /* The expression is a unary operation. */
82 GIMPLE_SINGLE_RHS /* The expression is a single object (an SSA
83 name, a _DECL, a _REF, etc. */
86 /* Specific flags for individual GIMPLE statements. These flags are
87 always stored in gimple_statement_base.subcode and they may only be
88 defined for statement codes that do not use sub-codes.
90 Values for the masks can overlap as long as the overlapping values
91 are never used in the same statement class.
93 The maximum mask value that can be defined is 1 << 15 (i.e., each
94 statement code can hold up to 16 bitflags).
96 Keep this list sorted. */
98 GF_ASM_INPUT = 1 << 0,
99 GF_ASM_VOLATILE = 1 << 1,
100 GF_CALL_CANNOT_INLINE = 1 << 0,
101 GF_CALL_FROM_THUNK = 1 << 1,
102 GF_CALL_RETURN_SLOT_OPT = 1 << 2,
103 GF_CALL_TAILCALL = 1 << 3,
104 GF_CALL_VA_ARG_PACK = 1 << 4,
105 GF_CALL_NOTHROW = 1 << 5,
106 GF_CALL_ALLOCA_FOR_VAR = 1 << 6,
107 GF_CALL_INTERNAL = 1 << 7,
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_OMP_ATOMIC_NEED_VALUE = 1 << 0,
118 GF_PREDICT_TAKEN = 1 << 15
121 /* Currently, there are only two types of gimple debug stmt. Others are
122 envisioned, for example, to enable the generation of is_stmt notes
123 in line number information, to mark sequence points, etc. This
124 subcode is to be used to tell them apart. */
125 enum gimple_debug_subcode {
126 GIMPLE_DEBUG_BIND = 0,
127 GIMPLE_DEBUG_SOURCE_BIND = 1
130 /* Masks for selecting a pass local flag (PLF) to work on. These
131 masks are used by gimple_set_plf and gimple_plf. */
137 /* A node in a gimple_seq_d. */
138 struct GTY((chain_next ("%h.next"), chain_prev ("%h.prev"))) gimple_seq_node_d {
140 struct gimple_seq_node_d *prev;
141 struct gimple_seq_node_d *next;
144 /* A double-linked sequence of gimple statements. */
145 struct GTY ((chain_next ("%h.next_free"))) gimple_seq_d {
146 /* First and last statements in the sequence. */
147 gimple_seq_node first;
148 gimple_seq_node last;
150 /* Sequences are created/destroyed frequently. To minimize
151 allocation activity, deallocated sequences are kept in a pool of
152 available sequences. This is the pointer to the next free
153 sequence in the pool. */
154 gimple_seq next_free;
158 /* Return the first node in GIMPLE sequence S. */
160 static inline gimple_seq_node
161 gimple_seq_first (const_gimple_seq s)
163 return s ? s->first : NULL;
167 /* Return the first statement in GIMPLE sequence S. */
170 gimple_seq_first_stmt (const_gimple_seq s)
172 gimple_seq_node n = gimple_seq_first (s);
173 return (n) ? n->stmt : NULL;
177 /* Return the last node in GIMPLE sequence S. */
179 static inline gimple_seq_node
180 gimple_seq_last (const_gimple_seq s)
182 return s ? s->last : NULL;
186 /* Return the last statement in GIMPLE sequence S. */
189 gimple_seq_last_stmt (const_gimple_seq s)
191 gimple_seq_node n = gimple_seq_last (s);
192 return (n) ? n->stmt : NULL;
196 /* Set the last node in GIMPLE sequence S to LAST. */
199 gimple_seq_set_last (gimple_seq s, gimple_seq_node last)
205 /* Set the first node in GIMPLE sequence S to FIRST. */
208 gimple_seq_set_first (gimple_seq s, gimple_seq_node first)
214 /* Return true if GIMPLE sequence S is empty. */
217 gimple_seq_empty_p (const_gimple_seq s)
219 return s == NULL || s->first == NULL;
223 void gimple_seq_add_stmt (gimple_seq *, gimple);
225 /* Link gimple statement GS to the end of the sequence *SEQ_P. If
226 *SEQ_P is NULL, a new sequence is allocated. This function is
227 similar to gimple_seq_add_stmt, but does not scan the operands.
228 During gimplification, we need to manipulate statement sequences
229 before the def/use vectors have been constructed. */
230 void gimplify_seq_add_stmt (gimple_seq *, gimple);
232 /* Allocate a new sequence and initialize its first element with STMT. */
234 static inline gimple_seq
235 gimple_seq_alloc_with_stmt (gimple stmt)
237 gimple_seq seq = NULL;
238 gimple_seq_add_stmt (&seq, stmt);
243 /* Returns the sequence of statements in BB. */
245 static inline gimple_seq
246 bb_seq (const_basic_block bb)
248 return (!(bb->flags & BB_RTL) && bb->il.gimple) ? bb->il.gimple->seq : NULL;
252 /* Sets the sequence of statements in BB to SEQ. */
255 set_bb_seq (basic_block bb, gimple_seq seq)
257 gcc_checking_assert (!(bb->flags & BB_RTL));
258 bb->il.gimple->seq = seq;
261 /* Iterator object for GIMPLE statement sequences. */
265 /* Sequence node holding the current statement. */
268 /* Sequence and basic block holding the statement. These fields
269 are necessary to handle edge cases such as when statement is
270 added to an empty basic block or when the last statement of a
271 block/sequence is removed. */
274 } gimple_stmt_iterator;
277 /* Data structure definitions for GIMPLE tuples. NOTE: word markers
278 are for 64 bit hosts. */
280 struct GTY(()) gimple_statement_base {
282 Main identifying code for a tuple. */
283 ENUM_BITFIELD(gimple_code) code : 8;
285 /* Nonzero if a warning should not be emitted on this tuple. */
286 unsigned int no_warning : 1;
288 /* Nonzero if this tuple has been visited. Passes are responsible
289 for clearing this bit before using it. */
290 unsigned int visited : 1;
292 /* Nonzero if this tuple represents a non-temporal move. */
293 unsigned int nontemporal_move : 1;
295 /* Pass local flags. These flags are free for any pass to use as
296 they see fit. Passes should not assume that these flags contain
297 any useful value when the pass starts. Any initial state that
298 the pass requires should be set on entry to the pass. See
299 gimple_set_plf and gimple_plf for usage. */
300 unsigned int plf : 2;
302 /* Nonzero if this statement has been modified and needs to have its
303 operands rescanned. */
304 unsigned modified : 1;
306 /* Nonzero if this statement contains volatile operands. */
307 unsigned has_volatile_ops : 1;
309 /* Padding to get subcode to 16 bit alignment. */
312 /* The SUBCODE field can be used for tuple-specific flags for tuples
313 that do not require subcodes. Note that SUBCODE should be at
314 least as wide as tree codes, as several tuples store tree codes
316 unsigned int subcode : 16;
318 /* UID of this statement. This is used by passes that want to
319 assign IDs to statements. It must be assigned and used by each
320 pass. By default it should be assumed to contain garbage. */
324 Locus information for debug info. */
327 /* Number of operands in this tuple. */
331 Basic block holding this statement. */
332 struct basic_block_def *bb;
335 Lexical block holding this statement. */
340 /* Base structure for tuples with operands. */
342 struct GTY(()) gimple_statement_with_ops_base
345 struct gimple_statement_base gsbase;
348 SSA operand vectors. NOTE: It should be possible to
349 amalgamate these vectors with the operand vector OP. However,
350 the SSA operand vectors are organized differently and contain
351 more information (like immediate use chaining). */
352 struct def_optype_d GTY((skip (""))) *def_ops;
353 struct use_optype_d GTY((skip (""))) *use_ops;
357 /* Statements that take register operands. */
359 struct GTY(()) gimple_statement_with_ops
362 struct gimple_statement_with_ops_base opbase;
365 Operand vector. NOTE! This must always be the last field
366 of this structure. In particular, this means that this
367 structure cannot be embedded inside another one. */
368 tree GTY((length ("%h.opbase.gsbase.num_ops"))) op[1];
372 /* Base for statements that take both memory and register operands. */
374 struct GTY(()) gimple_statement_with_memory_ops_base
377 struct gimple_statement_with_ops_base opbase;
380 Virtual operands for this statement. The GC will pick them
381 up via the ssa_names array. */
382 tree GTY((skip (""))) vdef;
383 tree GTY((skip (""))) vuse;
387 /* Statements that take both memory and register operands. */
389 struct GTY(()) gimple_statement_with_memory_ops
392 struct gimple_statement_with_memory_ops_base membase;
395 Operand vector. NOTE! This must always be the last field
396 of this structure. In particular, this means that this
397 structure cannot be embedded inside another one. */
398 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
402 /* Call statements that take both memory and register operands. */
404 struct GTY(()) gimple_statement_call
407 struct gimple_statement_with_memory_ops_base membase;
410 struct pt_solution call_used;
411 struct pt_solution call_clobbered;
414 union GTY ((desc ("%1.membase.opbase.gsbase.subcode & GF_CALL_INTERNAL"))) {
415 tree GTY ((tag ("0"))) fntype;
416 enum internal_fn GTY ((tag ("GF_CALL_INTERNAL"))) internal_fn;
420 Operand vector. NOTE! This must always be the last field
421 of this structure. In particular, this means that this
422 structure cannot be embedded inside another one. */
423 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
427 /* OpenMP statements (#pragma omp). */
429 struct GTY(()) gimple_statement_omp {
431 struct gimple_statement_base gsbase;
440 struct GTY(()) gimple_statement_bind {
442 struct gimple_statement_base gsbase;
445 Variables declared in this scope. */
449 This is different than the BLOCK field in gimple_statement_base,
450 which is analogous to TREE_BLOCK (i.e., the lexical block holding
451 this statement). This field is the equivalent of BIND_EXPR_BLOCK
452 in tree land (i.e., the lexical scope defined by this bind). See
463 struct GTY(()) gimple_statement_catch {
465 struct gimple_statement_base gsbase;
475 /* GIMPLE_EH_FILTER */
477 struct GTY(()) gimple_statement_eh_filter {
479 struct gimple_statement_base gsbase;
492 struct GTY(()) gimple_statement_eh_else {
494 struct gimple_statement_base gsbase;
497 gimple_seq n_body, e_body;
500 /* GIMPLE_EH_MUST_NOT_THROW */
502 struct GTY(()) gimple_statement_eh_mnt {
504 struct gimple_statement_base gsbase;
506 /* [ WORD 5 ] Abort function decl. */
512 struct GTY(()) gimple_statement_phi {
514 struct gimple_statement_base gsbase;
524 struct phi_arg_d GTY ((length ("%h.nargs"))) args[1];
528 /* GIMPLE_RESX, GIMPLE_EH_DISPATCH */
530 struct GTY(()) gimple_statement_eh_ctrl
533 struct gimple_statement_base gsbase;
536 Exception region number. */
543 struct GTY(()) gimple_statement_try {
545 struct gimple_statement_base gsbase;
548 Expression to evaluate. */
552 Cleanup expression. */
556 /* Kind of GIMPLE_TRY statements. */
557 enum gimple_try_flags
560 GIMPLE_TRY_CATCH = 1 << 0,
563 GIMPLE_TRY_FINALLY = 1 << 1,
564 GIMPLE_TRY_KIND = GIMPLE_TRY_CATCH | GIMPLE_TRY_FINALLY,
566 /* Analogous to TRY_CATCH_IS_CLEANUP. */
567 GIMPLE_TRY_CATCH_IS_CLEANUP = 1 << 2
570 /* GIMPLE_WITH_CLEANUP_EXPR */
572 struct GTY(()) gimple_statement_wce {
574 struct gimple_statement_base gsbase;
576 /* Subcode: CLEANUP_EH_ONLY. True if the cleanup should only be
577 executed if an exception is thrown, not on normal exit of its
578 scope. This flag is analogous to the CLEANUP_EH_ONLY flag
582 Cleanup expression. */
589 struct GTY(()) gimple_statement_asm
592 struct gimple_statement_with_memory_ops_base membase;
595 __asm__ statement. */
599 Number of inputs, outputs, clobbers, labels. */
606 Operand vector. NOTE! This must always be the last field
607 of this structure. In particular, this means that this
608 structure cannot be embedded inside another one. */
609 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
612 /* GIMPLE_OMP_CRITICAL */
614 struct GTY(()) gimple_statement_omp_critical {
616 struct gimple_statement_omp omp;
619 Critical section name. */
624 struct GTY(()) gimple_omp_for_iter {
625 /* Condition code. */
628 /* Index variable. */
643 struct GTY(()) gimple_statement_omp_for {
645 struct gimple_statement_omp omp;
651 Number of elements in iter array. */
655 struct gimple_omp_for_iter * GTY((length ("%h.collapse"))) iter;
658 Pre-body evaluated before the loop body begins. */
663 /* GIMPLE_OMP_PARALLEL */
665 struct GTY(()) gimple_statement_omp_parallel {
667 struct gimple_statement_omp omp;
674 Child function holding the body of the parallel region. */
678 Shared data argument. */
683 /* GIMPLE_OMP_TASK */
685 struct GTY(()) gimple_statement_omp_task {
687 struct gimple_statement_omp_parallel par;
690 Child function holding firstprivate initialization if needed. */
694 Size and alignment in bytes of the argument data block. */
700 /* GIMPLE_OMP_SECTION */
701 /* Uses struct gimple_statement_omp. */
704 /* GIMPLE_OMP_SECTIONS */
706 struct GTY(()) gimple_statement_omp_sections {
708 struct gimple_statement_omp omp;
714 The control variable used for deciding which of the sections to
719 /* GIMPLE_OMP_CONTINUE.
721 Note: This does not inherit from gimple_statement_omp, because we
722 do not need the body field. */
724 struct GTY(()) gimple_statement_omp_continue {
726 struct gimple_statement_base gsbase;
735 /* GIMPLE_OMP_SINGLE */
737 struct GTY(()) gimple_statement_omp_single {
739 struct gimple_statement_omp omp;
746 /* GIMPLE_OMP_ATOMIC_LOAD.
747 Note: This is based on gimple_statement_base, not g_s_omp, because g_s_omp
748 contains a sequence, which we don't need here. */
750 struct GTY(()) gimple_statement_omp_atomic_load {
752 struct gimple_statement_base gsbase;
758 /* GIMPLE_OMP_ATOMIC_STORE.
759 See note on GIMPLE_OMP_ATOMIC_LOAD. */
761 struct GTY(()) gimple_statement_omp_atomic_store {
763 struct gimple_statement_base gsbase;
769 /* GIMPLE_TRANSACTION. */
771 /* Bits to be stored in the GIMPLE_TRANSACTION subcode. */
773 /* The __transaction_atomic was declared [[outer]] or it is
774 __transaction_relaxed. */
775 #define GTMA_IS_OUTER (1u << 0)
776 #define GTMA_IS_RELAXED (1u << 1)
777 #define GTMA_DECLARATION_MASK (GTMA_IS_OUTER | GTMA_IS_RELAXED)
779 /* The transaction is seen to not have an abort. */
780 #define GTMA_HAVE_ABORT (1u << 2)
781 /* The transaction is seen to have loads or stores. */
782 #define GTMA_HAVE_LOAD (1u << 3)
783 #define GTMA_HAVE_STORE (1u << 4)
784 /* The transaction MAY enter serial irrevocable mode in its dynamic scope. */
785 #define GTMA_MAY_ENTER_IRREVOCABLE (1u << 5)
786 /* The transaction WILL enter serial irrevocable mode.
787 An irrevocable block post-dominates the entire transaction, such
788 that all invocations of the transaction will go serial-irrevocable.
789 In such case, we don't bother instrumenting the transaction, and
790 tell the runtime that it should begin the transaction in
791 serial-irrevocable mode. */
792 #define GTMA_DOES_GO_IRREVOCABLE (1u << 6)
794 struct GTY(()) gimple_statement_transaction
797 struct gimple_statement_with_memory_ops_base gsbase;
806 #define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) SYM,
807 enum gimple_statement_structure_enum {
808 #include "gsstruct.def"
814 /* Define the overall contents of a gimple tuple. It may be any of the
815 structures declared above for various types of tuples. */
817 union GTY ((desc ("gimple_statement_structure (&%h)"), variable_size)) gimple_statement_d {
818 struct gimple_statement_base GTY ((tag ("GSS_BASE"))) gsbase;
819 struct gimple_statement_with_ops GTY ((tag ("GSS_WITH_OPS"))) gsops;
820 struct gimple_statement_with_memory_ops_base GTY ((tag ("GSS_WITH_MEM_OPS_BASE"))) gsmembase;
821 struct gimple_statement_with_memory_ops GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem;
822 struct gimple_statement_call GTY ((tag ("GSS_CALL"))) gimple_call;
823 struct gimple_statement_omp GTY ((tag ("GSS_OMP"))) omp;
824 struct gimple_statement_bind GTY ((tag ("GSS_BIND"))) gimple_bind;
825 struct gimple_statement_catch GTY ((tag ("GSS_CATCH"))) gimple_catch;
826 struct gimple_statement_eh_filter GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter;
827 struct gimple_statement_eh_mnt GTY ((tag ("GSS_EH_MNT"))) gimple_eh_mnt;
828 struct gimple_statement_eh_else GTY ((tag ("GSS_EH_ELSE"))) gimple_eh_else;
829 struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi;
830 struct gimple_statement_eh_ctrl GTY ((tag ("GSS_EH_CTRL"))) gimple_eh_ctrl;
831 struct gimple_statement_try GTY ((tag ("GSS_TRY"))) gimple_try;
832 struct gimple_statement_wce GTY ((tag ("GSS_WCE"))) gimple_wce;
833 struct gimple_statement_asm GTY ((tag ("GSS_ASM"))) gimple_asm;
834 struct gimple_statement_omp_critical GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical;
835 struct gimple_statement_omp_for GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for;
836 struct gimple_statement_omp_parallel GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel;
837 struct gimple_statement_omp_task GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task;
838 struct gimple_statement_omp_sections GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections;
839 struct gimple_statement_omp_single GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single;
840 struct gimple_statement_omp_continue GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue;
841 struct gimple_statement_omp_atomic_load GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load;
842 struct gimple_statement_omp_atomic_store GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store;
843 struct gimple_statement_transaction GTY((tag ("GSS_TRANSACTION"))) gimple_transaction;
848 /* Offset in bytes to the location of the operand vector.
849 Zero if there is no operand vector for this tuple structure. */
850 extern size_t const gimple_ops_offset_[];
852 /* Map GIMPLE codes to GSS codes. */
853 extern enum gimple_statement_structure_enum const gss_for_code_[];
855 /* This variable holds the currently expanded gimple statement for purposes
856 of comminucating the profile info to the builtin expanders. */
857 extern gimple currently_expanding_gimple_stmt;
859 gimple gimple_build_return (tree);
861 gimple gimple_build_assign_stat (tree, tree MEM_STAT_DECL);
862 #define gimple_build_assign(l,r) gimple_build_assign_stat (l, r MEM_STAT_INFO)
864 void extract_ops_from_tree_1 (tree, enum tree_code *, tree *, tree *, tree *);
866 gimple gimple_build_assign_with_ops_stat (enum tree_code, tree, tree,
867 tree, tree MEM_STAT_DECL);
868 #define gimple_build_assign_with_ops(c,o1,o2,o3) \
869 gimple_build_assign_with_ops_stat (c, o1, o2, o3, NULL_TREE MEM_STAT_INFO)
870 #define gimple_build_assign_with_ops3(c,o1,o2,o3,o4) \
871 gimple_build_assign_with_ops_stat (c, o1, o2, o3, o4 MEM_STAT_INFO)
873 gimple gimple_build_debug_bind_stat (tree, tree, gimple MEM_STAT_DECL);
874 #define gimple_build_debug_bind(var,val,stmt) \
875 gimple_build_debug_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
876 gimple gimple_build_debug_source_bind_stat (tree, tree, gimple MEM_STAT_DECL);
877 #define gimple_build_debug_source_bind(var,val,stmt) \
878 gimple_build_debug_source_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
880 gimple gimple_build_call_vec (tree, VEC(tree, heap) *);
881 gimple gimple_build_call (tree, unsigned, ...);
882 gimple gimple_build_call_valist (tree, unsigned, va_list);
883 gimple gimple_build_call_internal (enum internal_fn, unsigned, ...);
884 gimple gimple_build_call_internal_vec (enum internal_fn, VEC(tree, heap) *);
885 gimple gimple_build_call_from_tree (tree);
886 gimple gimplify_assign (tree, tree, gimple_seq *);
887 gimple gimple_build_cond (enum tree_code, tree, tree, tree, tree);
888 gimple gimple_build_label (tree label);
889 gimple gimple_build_goto (tree dest);
890 gimple gimple_build_nop (void);
891 gimple gimple_build_bind (tree, gimple_seq, tree);
892 gimple gimple_build_asm_vec (const char *, VEC(tree,gc) *, VEC(tree,gc) *,
893 VEC(tree,gc) *, VEC(tree,gc) *);
894 gimple gimple_build_catch (tree, gimple_seq);
895 gimple gimple_build_eh_filter (tree, gimple_seq);
896 gimple gimple_build_eh_must_not_throw (tree);
897 gimple gimple_build_eh_else (gimple_seq, gimple_seq);
898 gimple gimple_build_try (gimple_seq, gimple_seq, enum gimple_try_flags);
899 gimple gimple_build_wce (gimple_seq);
900 gimple gimple_build_resx (int);
901 gimple gimple_build_eh_dispatch (int);
902 gimple gimple_build_switch_nlabels (unsigned, tree, tree);
903 gimple gimple_build_switch (unsigned, tree, tree, ...);
904 gimple gimple_build_switch_vec (tree, tree, VEC(tree,heap) *);
905 gimple gimple_build_omp_parallel (gimple_seq, tree, tree, tree);
906 gimple gimple_build_omp_task (gimple_seq, tree, tree, tree, tree, tree, tree);
907 gimple gimple_build_omp_for (gimple_seq, tree, size_t, gimple_seq);
908 gimple gimple_build_omp_critical (gimple_seq, tree);
909 gimple gimple_build_omp_section (gimple_seq);
910 gimple gimple_build_omp_continue (tree, tree);
911 gimple gimple_build_omp_master (gimple_seq);
912 gimple gimple_build_omp_return (bool);
913 gimple gimple_build_omp_ordered (gimple_seq);
914 gimple gimple_build_omp_sections (gimple_seq, tree);
915 gimple gimple_build_omp_sections_switch (void);
916 gimple gimple_build_omp_single (gimple_seq, tree);
917 gimple gimple_build_cdt (tree, tree);
918 gimple gimple_build_omp_atomic_load (tree, tree);
919 gimple gimple_build_omp_atomic_store (tree);
920 gimple gimple_build_transaction (gimple_seq, tree);
921 gimple gimple_build_predict (enum br_predictor, enum prediction);
922 enum gimple_statement_structure_enum gss_for_assign (enum tree_code);
923 void sort_case_labels (VEC(tree,heap) *);
924 void gimple_set_body (tree, gimple_seq);
925 gimple_seq gimple_body (tree);
926 bool gimple_has_body_p (tree);
927 gimple_seq gimple_seq_alloc (void);
928 void gimple_seq_free (gimple_seq);
929 void gimple_seq_add_seq (gimple_seq *, gimple_seq);
930 gimple_seq gimple_seq_copy (gimple_seq);
931 bool gimple_call_same_target_p (const_gimple, const_gimple);
932 int gimple_call_flags (const_gimple);
933 int gimple_call_return_flags (const_gimple);
934 int gimple_call_arg_flags (const_gimple, unsigned);
935 void gimple_call_reset_alias_info (gimple);
936 bool gimple_assign_copy_p (gimple);
937 bool gimple_assign_ssa_name_copy_p (gimple);
938 bool gimple_assign_unary_nop_p (gimple);
939 void gimple_set_bb (gimple, struct basic_block_def *);
940 void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree);
941 void gimple_assign_set_rhs_with_ops_1 (gimple_stmt_iterator *, enum tree_code,
943 tree gimple_get_lhs (const_gimple);
944 void gimple_set_lhs (gimple, tree);
945 void gimple_replace_lhs (gimple, tree);
946 gimple gimple_copy (gimple);
947 void gimple_set_modified (gimple, bool);
948 void gimple_cond_get_ops_from_tree (tree, enum tree_code *, tree *, tree *);
949 gimple gimple_build_cond_from_tree (tree, tree, tree);
950 void gimple_cond_set_condition_from_tree (gimple, tree);
951 bool gimple_has_side_effects (const_gimple);
952 bool gimple_rhs_has_side_effects (const_gimple);
953 bool gimple_could_trap_p (gimple);
954 bool gimple_could_trap_p_1 (gimple, bool, bool);
955 bool gimple_assign_rhs_could_trap_p (gimple);
956 void gimple_regimplify_operands (gimple, gimple_stmt_iterator *);
957 bool empty_body_p (gimple_seq);
958 unsigned get_gimple_rhs_num_ops (enum tree_code);
959 #define gimple_alloc(c, n) gimple_alloc_stat (c, n MEM_STAT_INFO)
960 gimple gimple_alloc_stat (enum gimple_code, unsigned MEM_STAT_DECL);
961 const char *gimple_decl_printable_name (tree, int);
962 tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree);
963 void gimple_adjust_this_by_delta (gimple_stmt_iterator *, tree);
964 tree gimple_extract_devirt_binfo_from_cst (tree);
965 /* Returns true iff T is a valid GIMPLE statement. */
966 extern bool is_gimple_stmt (tree);
968 /* Returns true iff TYPE is a valid type for a scalar register variable. */
969 extern bool is_gimple_reg_type (tree);
970 /* Returns true iff T is a scalar register variable. */
971 extern bool is_gimple_reg (tree);
972 /* Returns true iff T is any sort of variable. */
973 extern bool is_gimple_variable (tree);
974 /* Returns true iff T is any sort of symbol. */
975 extern bool is_gimple_id (tree);
976 /* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */
977 extern bool is_gimple_min_lval (tree);
978 /* Returns true iff T is something whose address can be taken. */
979 extern bool is_gimple_addressable (tree);
980 /* Returns true iff T is any valid GIMPLE lvalue. */
981 extern bool is_gimple_lvalue (tree);
983 /* Returns true iff T is a GIMPLE address. */
984 bool is_gimple_address (const_tree);
985 /* Returns true iff T is a GIMPLE invariant address. */
986 bool is_gimple_invariant_address (const_tree);
987 /* Returns true iff T is a GIMPLE invariant address at interprocedural
989 bool is_gimple_ip_invariant_address (const_tree);
990 /* Returns true iff T is a valid GIMPLE constant. */
991 bool is_gimple_constant (const_tree);
992 /* Returns true iff T is a GIMPLE restricted function invariant. */
993 extern bool is_gimple_min_invariant (const_tree);
994 /* Returns true iff T is a GIMPLE restricted interprecodural invariant. */
995 extern bool is_gimple_ip_invariant (const_tree);
996 /* Returns true iff T is a GIMPLE rvalue. */
997 extern bool is_gimple_val (tree);
998 /* Returns true iff T is a GIMPLE asm statement input. */
999 extern bool is_gimple_asm_val (tree);
1000 /* Returns true iff T is a valid address operand of a MEM_REF. */
1001 bool is_gimple_mem_ref_addr (tree);
1002 /* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a
1003 GIMPLE temporary, a renamed user variable, or something else,
1005 extern bool is_gimple_reg_rhs (tree);
1006 extern bool is_gimple_mem_rhs (tree);
1008 /* Returns true iff T is a valid if-statement condition. */
1009 extern bool is_gimple_condexpr (tree);
1011 /* Returns true iff T is a variable that does not need to live in memory. */
1012 extern bool is_gimple_non_addressable (tree t);
1014 /* Returns true iff T is a valid call address expression. */
1015 extern bool is_gimple_call_addr (tree);
1017 extern void recalculate_side_effects (tree);
1018 extern bool gimple_compare_field_offset (tree, tree);
1019 extern tree gimple_register_type (tree);
1020 extern tree gimple_register_canonical_type (tree);
1021 extern void print_gimple_types_stats (void);
1022 extern void free_gimple_type_tables (void);
1023 extern tree gimple_unsigned_type (tree);
1024 extern tree gimple_signed_type (tree);
1025 extern alias_set_type gimple_get_alias_set (tree);
1026 extern void count_uses_and_derefs (tree, gimple, unsigned *, unsigned *,
1028 extern bool walk_stmt_load_store_addr_ops (gimple, void *,
1029 bool (*)(gimple, tree, void *),
1030 bool (*)(gimple, tree, void *),
1031 bool (*)(gimple, tree, void *));
1032 extern bool walk_stmt_load_store_ops (gimple, void *,
1033 bool (*)(gimple, tree, void *),
1034 bool (*)(gimple, tree, void *));
1035 extern bool gimple_ior_addresses_taken (bitmap, gimple);
1036 extern bool gimple_call_builtin_p (gimple, enum built_in_function);
1037 extern bool gimple_asm_clobbers_memory_p (const_gimple);
1040 extern tree create_tmp_var_raw (tree, const char *);
1041 extern tree create_tmp_var_name (const char *);
1042 extern tree create_tmp_var (tree, const char *);
1043 extern tree create_tmp_reg (tree, const char *);
1044 extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *);
1045 extern tree get_formal_tmp_var (tree, gimple_seq *);
1046 extern void declare_vars (tree, gimple, bool);
1047 extern void annotate_all_with_location (gimple_seq, location_t);
1049 /* Validation of GIMPLE expressions. Note that these predicates only check
1050 the basic form of the expression, they don't recurse to make sure that
1051 underlying nodes are also of the right form. */
1052 typedef bool (*gimple_predicate)(tree);
1055 /* FIXME we should deduce this from the predicate. */
1057 fb_none = 0, /* Do not generate a temporary. */
1059 fb_rvalue = 1, /* Generate an rvalue to hold the result of a
1060 gimplified expression. */
1062 fb_lvalue = 2, /* Generate an lvalue to hold the result of a
1063 gimplified expression. */
1065 fb_mayfail = 4, /* Gimplification may fail. Error issued
1067 fb_either= fb_rvalue | fb_lvalue
1070 typedef int fallback_t;
1072 enum gimplify_status {
1073 GS_ERROR = -2, /* Something Bad Seen. */
1074 GS_UNHANDLED = -1, /* A langhook result for "I dunno". */
1075 GS_OK = 0, /* We did something, maybe more to do. */
1076 GS_ALL_DONE = 1 /* The expression is fully gimplified. */
1081 struct gimplify_ctx *prev_context;
1083 VEC(gimple,heap) *bind_expr_stack;
1085 gimple_seq conditional_cleanups;
1089 VEC(tree,heap) *case_labels;
1090 /* The formal temporary table. Should this be persistent? */
1096 bool allow_rhs_cond_expr;
1099 extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *,
1100 bool (*) (tree), fallback_t);
1101 extern void gimplify_type_sizes (tree, gimple_seq *);
1102 extern void gimplify_one_sizepos (tree *, gimple_seq *);
1103 extern bool gimplify_stmt (tree *, gimple_seq *);
1104 extern gimple gimplify_body (tree *, tree, bool);
1105 extern void push_gimplify_context (struct gimplify_ctx *);
1106 extern void pop_gimplify_context (gimple);
1107 extern void gimplify_and_add (tree, gimple_seq *);
1109 /* Miscellaneous helpers. */
1110 extern void gimple_add_tmp_var (tree);
1111 extern gimple gimple_current_bind_expr (void);
1112 extern VEC(gimple, heap) *gimple_bind_expr_stack (void);
1113 extern tree voidify_wrapper_expr (tree, tree);
1114 extern tree build_and_jump (tree *);
1115 extern tree force_labels_r (tree *, int *, void *);
1116 extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *,
1118 struct gimplify_omp_ctx;
1119 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree);
1120 extern tree gimple_boolify (tree);
1121 extern gimple_predicate rhs_predicate_for (tree);
1122 extern tree canonicalize_cond_expr_cond (tree);
1125 extern tree omp_reduction_init (tree, tree);
1127 /* In trans-mem.c. */
1128 extern void diagnose_tm_safe_errors (tree);
1130 /* In tree-nested.c. */
1131 extern void lower_nested_functions (tree);
1132 extern void insert_field_into_struct (tree, tree);
1134 /* In gimplify.c. */
1135 extern void gimplify_function_tree (tree);
1137 /* In cfgexpand.c. */
1138 extern tree gimple_assign_rhs_to_tree (gimple);
1141 extern bool validate_gimple_arglist (const_gimple, ...);
1144 extern bool tree_ssa_useless_type_conversion (tree);
1145 extern tree tree_ssa_strip_useless_type_conversions (tree);
1146 extern bool useless_type_conversion_p (tree, tree);
1147 extern bool types_compatible_p (tree, tree);
1149 /* Return the code for GIMPLE statement G. */
1151 static inline enum gimple_code
1152 gimple_code (const_gimple g)
1154 return g->gsbase.code;
1158 /* Return the GSS code used by a GIMPLE code. */
1160 static inline enum gimple_statement_structure_enum
1161 gss_for_code (enum gimple_code code)
1163 gcc_gimple_checking_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE);
1164 return gss_for_code_[code];
1168 /* Return which GSS code is used by GS. */
1170 static inline enum gimple_statement_structure_enum
1171 gimple_statement_structure (gimple gs)
1173 return gss_for_code (gimple_code (gs));
1177 /* Return true if statement G has sub-statements. This is only true for
1178 High GIMPLE statements. */
1181 gimple_has_substatements (gimple g)
1183 switch (gimple_code (g))
1187 case GIMPLE_EH_FILTER:
1188 case GIMPLE_EH_ELSE:
1190 case GIMPLE_OMP_FOR:
1191 case GIMPLE_OMP_MASTER:
1192 case GIMPLE_OMP_ORDERED:
1193 case GIMPLE_OMP_SECTION:
1194 case GIMPLE_OMP_PARALLEL:
1195 case GIMPLE_OMP_TASK:
1196 case GIMPLE_OMP_SECTIONS:
1197 case GIMPLE_OMP_SINGLE:
1198 case GIMPLE_OMP_CRITICAL:
1199 case GIMPLE_WITH_CLEANUP_EXPR:
1200 case GIMPLE_TRANSACTION:
1209 /* Return the basic block holding statement G. */
1211 static inline struct basic_block_def *
1212 gimple_bb (const_gimple g)
1214 return g->gsbase.bb;
1218 /* Return the lexical scope block holding statement G. */
1221 gimple_block (const_gimple g)
1223 return g->gsbase.block;
1227 /* Set BLOCK to be the lexical scope block holding statement G. */
1230 gimple_set_block (gimple g, tree block)
1232 g->gsbase.block = block;
1236 /* Return location information for statement G. */
1238 static inline location_t
1239 gimple_location (const_gimple g)
1241 return g->gsbase.location;
1244 /* Return pointer to location information for statement G. */
1246 static inline const location_t *
1247 gimple_location_ptr (const_gimple g)
1249 return &g->gsbase.location;
1253 /* Set location information for statement G. */
1256 gimple_set_location (gimple g, location_t location)
1258 g->gsbase.location = location;
1262 /* Return true if G contains location information. */
1265 gimple_has_location (const_gimple g)
1267 return gimple_location (g) != UNKNOWN_LOCATION;
1271 /* Return the file name of the location of STMT. */
1273 static inline const char *
1274 gimple_filename (const_gimple stmt)
1276 return LOCATION_FILE (gimple_location (stmt));
1280 /* Return the line number of the location of STMT. */
1283 gimple_lineno (const_gimple stmt)
1285 return LOCATION_LINE (gimple_location (stmt));
1289 /* Determine whether SEQ is a singleton. */
1292 gimple_seq_singleton_p (gimple_seq seq)
1294 return ((gimple_seq_first (seq) != NULL)
1295 && (gimple_seq_first (seq) == gimple_seq_last (seq)));
1298 /* Return true if no warnings should be emitted for statement STMT. */
1301 gimple_no_warning_p (const_gimple stmt)
1303 return stmt->gsbase.no_warning;
1306 /* Set the no_warning flag of STMT to NO_WARNING. */
1309 gimple_set_no_warning (gimple stmt, bool no_warning)
1311 stmt->gsbase.no_warning = (unsigned) no_warning;
1314 /* Set the visited status on statement STMT to VISITED_P. */
1317 gimple_set_visited (gimple stmt, bool visited_p)
1319 stmt->gsbase.visited = (unsigned) visited_p;
1323 /* Return the visited status for statement STMT. */
1326 gimple_visited_p (gimple stmt)
1328 return stmt->gsbase.visited;
1332 /* Set pass local flag PLF on statement STMT to VAL_P. */
1335 gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p)
1338 stmt->gsbase.plf |= (unsigned int) plf;
1340 stmt->gsbase.plf &= ~((unsigned int) plf);
1344 /* Return the value of pass local flag PLF on statement STMT. */
1346 static inline unsigned int
1347 gimple_plf (gimple stmt, enum plf_mask plf)
1349 return stmt->gsbase.plf & ((unsigned int) plf);
1353 /* Set the UID of statement. */
1356 gimple_set_uid (gimple g, unsigned uid)
1358 g->gsbase.uid = uid;
1362 /* Return the UID of statement. */
1364 static inline unsigned
1365 gimple_uid (const_gimple g)
1367 return g->gsbase.uid;
1371 /* Return true if GIMPLE statement G has register or memory operands. */
1374 gimple_has_ops (const_gimple g)
1376 return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN;
1380 /* Return true if GIMPLE statement G has memory operands. */
1383 gimple_has_mem_ops (const_gimple g)
1385 return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN;
1389 /* Return the set of DEF operands for statement G. */
1391 static inline struct def_optype_d *
1392 gimple_def_ops (const_gimple g)
1394 if (!gimple_has_ops (g))
1396 return g->gsops.opbase.def_ops;
1400 /* Set DEF to be the set of DEF operands for statement G. */
1403 gimple_set_def_ops (gimple g, struct def_optype_d *def)
1405 gcc_gimple_checking_assert (gimple_has_ops (g));
1406 g->gsops.opbase.def_ops = def;
1410 /* Return the set of USE operands for statement G. */
1412 static inline struct use_optype_d *
1413 gimple_use_ops (const_gimple g)
1415 if (!gimple_has_ops (g))
1417 return g->gsops.opbase.use_ops;
1421 /* Set USE to be the set of USE operands for statement G. */
1424 gimple_set_use_ops (gimple g, struct use_optype_d *use)
1426 gcc_gimple_checking_assert (gimple_has_ops (g));
1427 g->gsops.opbase.use_ops = use;
1431 /* Return the set of VUSE operand for statement G. */
1433 static inline use_operand_p
1434 gimple_vuse_op (const_gimple g)
1436 struct use_optype_d *ops;
1437 if (!gimple_has_mem_ops (g))
1438 return NULL_USE_OPERAND_P;
1439 ops = g->gsops.opbase.use_ops;
1441 && USE_OP_PTR (ops)->use == &g->gsmembase.vuse)
1442 return USE_OP_PTR (ops);
1443 return NULL_USE_OPERAND_P;
1446 /* Return the set of VDEF operand for statement G. */
1448 static inline def_operand_p
1449 gimple_vdef_op (const_gimple g)
1451 struct def_optype_d *ops;
1452 if (!gimple_has_mem_ops (g))
1453 return NULL_DEF_OPERAND_P;
1454 ops = g->gsops.opbase.def_ops;
1456 && DEF_OP_PTR (ops) == &g->gsmembase.vdef)
1457 return DEF_OP_PTR (ops);
1458 return NULL_DEF_OPERAND_P;
1462 /* Return the single VUSE operand of the statement G. */
1465 gimple_vuse (const_gimple g)
1467 if (!gimple_has_mem_ops (g))
1469 return g->gsmembase.vuse;
1472 /* Return the single VDEF operand of the statement G. */
1475 gimple_vdef (const_gimple g)
1477 if (!gimple_has_mem_ops (g))
1479 return g->gsmembase.vdef;
1482 /* Return the single VUSE operand of the statement G. */
1484 static inline tree *
1485 gimple_vuse_ptr (gimple g)
1487 if (!gimple_has_mem_ops (g))
1489 return &g->gsmembase.vuse;
1492 /* Return the single VDEF operand of the statement G. */
1494 static inline tree *
1495 gimple_vdef_ptr (gimple g)
1497 if (!gimple_has_mem_ops (g))
1499 return &g->gsmembase.vdef;
1502 /* Set the single VUSE operand of the statement G. */
1505 gimple_set_vuse (gimple g, tree vuse)
1507 gcc_gimple_checking_assert (gimple_has_mem_ops (g));
1508 g->gsmembase.vuse = vuse;
1511 /* Set the single VDEF operand of the statement G. */
1514 gimple_set_vdef (gimple g, tree vdef)
1516 gcc_gimple_checking_assert (gimple_has_mem_ops (g));
1517 g->gsmembase.vdef = vdef;
1521 /* Return true if statement G has operands and the modified field has
1525 gimple_modified_p (const_gimple g)
1527 return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false;
1531 /* Return the tree code for the expression computed by STMT. This is
1532 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For
1533 GIMPLE_CALL, return CALL_EXPR as the expression code for
1534 consistency. This is useful when the caller needs to deal with the
1535 three kinds of computation that GIMPLE supports. */
1537 static inline enum tree_code
1538 gimple_expr_code (const_gimple stmt)
1540 enum gimple_code code = gimple_code (stmt);
1541 if (code == GIMPLE_ASSIGN || code == GIMPLE_COND)
1542 return (enum tree_code) stmt->gsbase.subcode;
1545 gcc_gimple_checking_assert (code == GIMPLE_CALL);
1551 /* Mark statement S as modified, and update it. */
1554 update_stmt (gimple s)
1556 if (gimple_has_ops (s))
1558 gimple_set_modified (s, true);
1559 update_stmt_operands (s);
1563 /* Update statement S if it has been optimized. */
1566 update_stmt_if_modified (gimple s)
1568 if (gimple_modified_p (s))
1569 update_stmt_operands (s);
1572 /* Return true if statement STMT contains volatile operands. */
1575 gimple_has_volatile_ops (const_gimple stmt)
1577 if (gimple_has_mem_ops (stmt))
1578 return stmt->gsbase.has_volatile_ops;
1584 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */
1587 gimple_set_has_volatile_ops (gimple stmt, bool volatilep)
1589 if (gimple_has_mem_ops (stmt))
1590 stmt->gsbase.has_volatile_ops = (unsigned) volatilep;
1594 /* Return true if statement STMT may access memory. */
1597 gimple_references_memory_p (gimple stmt)
1599 return gimple_has_mem_ops (stmt) && gimple_vuse (stmt);
1603 /* Return the subcode for OMP statement S. */
1605 static inline unsigned
1606 gimple_omp_subcode (const_gimple s)
1608 gcc_gimple_checking_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD
1609 && gimple_code (s) <= GIMPLE_OMP_SINGLE);
1610 return s->gsbase.subcode;
1613 /* Set the subcode for OMP statement S to SUBCODE. */
1616 gimple_omp_set_subcode (gimple s, unsigned int subcode)
1618 /* We only have 16 bits for the subcode. Assert that we are not
1620 gcc_gimple_checking_assert (subcode < (1 << 16));
1621 s->gsbase.subcode = subcode;
1624 /* Set the nowait flag on OMP_RETURN statement S. */
1627 gimple_omp_return_set_nowait (gimple s)
1629 GIMPLE_CHECK (s, GIMPLE_OMP_RETURN);
1630 s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT;
1634 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT
1638 gimple_omp_return_nowait_p (const_gimple g)
1640 GIMPLE_CHECK (g, GIMPLE_OMP_RETURN);
1641 return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0;
1645 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST
1649 gimple_omp_section_last_p (const_gimple g)
1651 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1652 return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0;
1656 /* Set the GF_OMP_SECTION_LAST flag on G. */
1659 gimple_omp_section_set_last (gimple g)
1661 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1662 g->gsbase.subcode |= GF_OMP_SECTION_LAST;
1666 /* Return true if OMP parallel statement G has the
1667 GF_OMP_PARALLEL_COMBINED flag set. */
1670 gimple_omp_parallel_combined_p (const_gimple g)
1672 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1673 return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0;
1677 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean
1678 value of COMBINED_P. */
1681 gimple_omp_parallel_set_combined_p (gimple g, bool combined_p)
1683 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1685 g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED;
1687 g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED;
1691 /* Return true if OMP atomic load/store statement G has the
1692 GF_OMP_ATOMIC_NEED_VALUE flag set. */
1695 gimple_omp_atomic_need_value_p (const_gimple g)
1697 if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD)
1698 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
1699 return (gimple_omp_subcode (g) & GF_OMP_ATOMIC_NEED_VALUE) != 0;
1703 /* Set the GF_OMP_ATOMIC_NEED_VALUE flag on G. */
1706 gimple_omp_atomic_set_need_value (gimple g)
1708 if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD)
1709 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
1710 g->gsbase.subcode |= GF_OMP_ATOMIC_NEED_VALUE;
1714 /* Return the number of operands for statement GS. */
1716 static inline unsigned
1717 gimple_num_ops (const_gimple gs)
1719 return gs->gsbase.num_ops;
1723 /* Set the number of operands for statement GS. */
1726 gimple_set_num_ops (gimple gs, unsigned num_ops)
1728 gs->gsbase.num_ops = num_ops;
1732 /* Return the array of operands for statement GS. */
1734 static inline tree *
1735 gimple_ops (gimple gs)
1739 /* All the tuples have their operand vector at the very bottom
1740 of the structure. Note that those structures that do not
1741 have an operand vector have a zero offset. */
1742 off = gimple_ops_offset_[gimple_statement_structure (gs)];
1743 gcc_gimple_checking_assert (off != 0);
1745 return (tree *) ((char *) gs + off);
1749 /* Return operand I for statement GS. */
1752 gimple_op (const_gimple gs, unsigned i)
1754 if (gimple_has_ops (gs))
1756 gcc_gimple_checking_assert (i < gimple_num_ops (gs));
1757 return gimple_ops (CONST_CAST_GIMPLE (gs))[i];
1763 /* Return a pointer to operand I for statement GS. */
1765 static inline tree *
1766 gimple_op_ptr (const_gimple gs, unsigned i)
1768 if (gimple_has_ops (gs))
1770 gcc_gimple_checking_assert (i < gimple_num_ops (gs));
1771 return gimple_ops (CONST_CAST_GIMPLE (gs)) + i;
1777 /* Set operand I of statement GS to OP. */
1780 gimple_set_op (gimple gs, unsigned i, tree op)
1782 gcc_gimple_checking_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs));
1784 /* Note. It may be tempting to assert that OP matches
1785 is_gimple_operand, but that would be wrong. Different tuples
1786 accept slightly different sets of tree operands. Each caller
1787 should perform its own validation. */
1788 gimple_ops (gs)[i] = op;
1791 /* Return true if GS is a GIMPLE_ASSIGN. */
1794 is_gimple_assign (const_gimple gs)
1796 return gimple_code (gs) == GIMPLE_ASSIGN;
1799 /* Determine if expression CODE is one of the valid expressions that can
1800 be used on the RHS of GIMPLE assignments. */
1802 static inline enum gimple_rhs_class
1803 get_gimple_rhs_class (enum tree_code code)
1805 return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code];
1808 /* Return the LHS of assignment statement GS. */
1811 gimple_assign_lhs (const_gimple gs)
1813 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1814 return gimple_op (gs, 0);
1818 /* Return a pointer to the LHS of assignment statement GS. */
1820 static inline tree *
1821 gimple_assign_lhs_ptr (const_gimple gs)
1823 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1824 return gimple_op_ptr (gs, 0);
1828 /* Set LHS to be the LHS operand of assignment statement GS. */
1831 gimple_assign_set_lhs (gimple gs, tree lhs)
1833 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1834 gimple_set_op (gs, 0, lhs);
1836 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1837 SSA_NAME_DEF_STMT (lhs) = gs;
1841 /* Return the first operand on the RHS of assignment statement GS. */
1844 gimple_assign_rhs1 (const_gimple gs)
1846 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1847 return gimple_op (gs, 1);
1851 /* Return a pointer to the first operand on the RHS of assignment
1854 static inline tree *
1855 gimple_assign_rhs1_ptr (const_gimple gs)
1857 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1858 return gimple_op_ptr (gs, 1);
1861 /* Set RHS to be the first operand on the RHS of assignment statement GS. */
1864 gimple_assign_set_rhs1 (gimple gs, tree rhs)
1866 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1868 gimple_set_op (gs, 1, rhs);
1872 /* Return the second operand on the RHS of assignment statement GS.
1873 If GS does not have two operands, NULL is returned instead. */
1876 gimple_assign_rhs2 (const_gimple gs)
1878 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1880 if (gimple_num_ops (gs) >= 3)
1881 return gimple_op (gs, 2);
1887 /* Return a pointer to the second operand on the RHS of assignment
1890 static inline tree *
1891 gimple_assign_rhs2_ptr (const_gimple gs)
1893 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1894 return gimple_op_ptr (gs, 2);
1898 /* Set RHS to be the second operand on the RHS of assignment statement GS. */
1901 gimple_assign_set_rhs2 (gimple gs, tree rhs)
1903 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1905 gimple_set_op (gs, 2, rhs);
1908 /* Return the third operand on the RHS of assignment statement GS.
1909 If GS does not have two operands, NULL is returned instead. */
1912 gimple_assign_rhs3 (const_gimple gs)
1914 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1916 if (gimple_num_ops (gs) >= 4)
1917 return gimple_op (gs, 3);
1922 /* Return a pointer to the third operand on the RHS of assignment
1925 static inline tree *
1926 gimple_assign_rhs3_ptr (const_gimple gs)
1928 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1929 return gimple_op_ptr (gs, 3);
1933 /* Set RHS to be the third operand on the RHS of assignment statement GS. */
1936 gimple_assign_set_rhs3 (gimple gs, tree rhs)
1938 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1940 gimple_set_op (gs, 3, rhs);
1943 /* A wrapper around gimple_assign_set_rhs_with_ops_1, for callers which expect
1944 to see only a maximum of two operands. */
1947 gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *gsi, enum tree_code code,
1950 gimple_assign_set_rhs_with_ops_1 (gsi, code, op1, op2, NULL);
1953 /* A wrapper around extract_ops_from_tree_1, for callers which expect
1954 to see only a maximum of two operands. */
1957 extract_ops_from_tree (tree expr, enum tree_code *code, tree *op0,
1961 extract_ops_from_tree_1 (expr, code, op0, op1, &op2);
1962 gcc_assert (op2 == NULL_TREE);
1965 /* Returns true if GS is a nontemporal move. */
1968 gimple_assign_nontemporal_move_p (const_gimple gs)
1970 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1971 return gs->gsbase.nontemporal_move;
1974 /* Sets nontemporal move flag of GS to NONTEMPORAL. */
1977 gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal)
1979 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1980 gs->gsbase.nontemporal_move = nontemporal;
1984 /* Return the code of the expression computed on the rhs of assignment
1985 statement GS. In case that the RHS is a single object, returns the
1986 tree code of the object. */
1988 static inline enum tree_code
1989 gimple_assign_rhs_code (const_gimple gs)
1991 enum tree_code code;
1992 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1994 code = (enum tree_code) gs->gsbase.subcode;
1995 /* While we initially set subcode to the TREE_CODE of the rhs for
1996 GIMPLE_SINGLE_RHS assigns we do not update that subcode to stay
1997 in sync when we rewrite stmts into SSA form or do SSA propagations. */
1998 if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS)
1999 code = TREE_CODE (gimple_assign_rhs1 (gs));
2005 /* Set CODE to be the code for the expression computed on the RHS of
2009 gimple_assign_set_rhs_code (gimple s, enum tree_code code)
2011 GIMPLE_CHECK (s, GIMPLE_ASSIGN);
2012 s->gsbase.subcode = code;
2016 /* Return the gimple rhs class of the code of the expression computed on
2017 the rhs of assignment statement GS.
2018 This will never return GIMPLE_INVALID_RHS. */
2020 static inline enum gimple_rhs_class
2021 gimple_assign_rhs_class (const_gimple gs)
2023 return get_gimple_rhs_class (gimple_assign_rhs_code (gs));
2026 /* Return true if GS is an assignment with a singleton RHS, i.e.,
2027 there is no operator associated with the assignment itself.
2028 Unlike gimple_assign_copy_p, this predicate returns true for
2029 any RHS operand, including those that perform an operation
2030 and do not have the semantics of a copy, such as COND_EXPR. */
2033 gimple_assign_single_p (gimple gs)
2035 return (is_gimple_assign (gs)
2036 && gimple_assign_rhs_class (gs) == GIMPLE_SINGLE_RHS);
2040 /* Return true if S is a type-cast assignment. */
2043 gimple_assign_cast_p (gimple s)
2045 if (is_gimple_assign (s))
2047 enum tree_code sc = gimple_assign_rhs_code (s);
2048 return CONVERT_EXPR_CODE_P (sc)
2049 || sc == VIEW_CONVERT_EXPR
2050 || sc == FIX_TRUNC_EXPR;
2057 /* Return true if GS is a GIMPLE_CALL. */
2060 is_gimple_call (const_gimple gs)
2062 return gimple_code (gs) == GIMPLE_CALL;
2065 /* Return the LHS of call statement GS. */
2068 gimple_call_lhs (const_gimple gs)
2070 GIMPLE_CHECK (gs, GIMPLE_CALL);
2071 return gimple_op (gs, 0);
2075 /* Return a pointer to the LHS of call statement GS. */
2077 static inline tree *
2078 gimple_call_lhs_ptr (const_gimple gs)
2080 GIMPLE_CHECK (gs, GIMPLE_CALL);
2081 return gimple_op_ptr (gs, 0);
2085 /* Set LHS to be the LHS operand of call statement GS. */
2088 gimple_call_set_lhs (gimple gs, tree lhs)
2090 GIMPLE_CHECK (gs, GIMPLE_CALL);
2091 gimple_set_op (gs, 0, lhs);
2092 if (lhs && TREE_CODE (lhs) == SSA_NAME)
2093 SSA_NAME_DEF_STMT (lhs) = gs;
2097 /* Return true if call GS calls an internal-only function, as enumerated
2101 gimple_call_internal_p (const_gimple gs)
2103 GIMPLE_CHECK (gs, GIMPLE_CALL);
2104 return (gs->gsbase.subcode & GF_CALL_INTERNAL) != 0;
2108 /* Return the target of internal call GS. */
2110 static inline enum internal_fn
2111 gimple_call_internal_fn (const_gimple gs)
2113 gcc_gimple_checking_assert (gimple_call_internal_p (gs));
2114 return gs->gimple_call.u.internal_fn;
2118 /* Return the function type of the function called by GS. */
2121 gimple_call_fntype (const_gimple gs)
2123 GIMPLE_CHECK (gs, GIMPLE_CALL);
2124 if (gimple_call_internal_p (gs))
2126 return gs->gimple_call.u.fntype;
2129 /* Set the type of the function called by GS to FNTYPE. */
2132 gimple_call_set_fntype (gimple gs, tree fntype)
2134 GIMPLE_CHECK (gs, GIMPLE_CALL);
2135 gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
2136 gs->gimple_call.u.fntype = fntype;
2140 /* Return the tree node representing the function called by call
2144 gimple_call_fn (const_gimple gs)
2146 GIMPLE_CHECK (gs, GIMPLE_CALL);
2147 return gimple_op (gs, 1);
2150 /* Return a pointer to the tree node representing the function called by call
2153 static inline tree *
2154 gimple_call_fn_ptr (const_gimple gs)
2156 GIMPLE_CHECK (gs, GIMPLE_CALL);
2157 return gimple_op_ptr (gs, 1);
2161 /* Set FN to be the function called by call statement GS. */
2164 gimple_call_set_fn (gimple gs, tree fn)
2166 GIMPLE_CHECK (gs, GIMPLE_CALL);
2167 gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
2168 gimple_set_op (gs, 1, fn);
2172 /* Set FNDECL to be the function called by call statement GS. */
2175 gimple_call_set_fndecl (gimple gs, tree decl)
2177 GIMPLE_CHECK (gs, GIMPLE_CALL);
2178 gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
2179 gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl));
2183 /* Set internal function FN to be the function called by call statement GS. */
2186 gimple_call_set_internal_fn (gimple gs, enum internal_fn fn)
2188 GIMPLE_CHECK (gs, GIMPLE_CALL);
2189 gcc_gimple_checking_assert (gimple_call_internal_p (gs));
2190 gs->gimple_call.u.internal_fn = fn;
2194 /* Given a valid GIMPLE_CALL function address return the FUNCTION_DECL
2195 associated with the callee if known. Otherwise return NULL_TREE. */
2198 gimple_call_addr_fndecl (const_tree fn)
2200 if (fn && TREE_CODE (fn) == ADDR_EXPR)
2202 tree fndecl = TREE_OPERAND (fn, 0);
2203 if (TREE_CODE (fndecl) == MEM_REF
2204 && TREE_CODE (TREE_OPERAND (fndecl, 0)) == ADDR_EXPR
2205 && integer_zerop (TREE_OPERAND (fndecl, 1)))
2206 fndecl = TREE_OPERAND (TREE_OPERAND (fndecl, 0), 0);
2207 if (TREE_CODE (fndecl) == FUNCTION_DECL)
2213 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it.
2214 Otherwise return NULL. This function is analogous to
2215 get_callee_fndecl in tree land. */
2218 gimple_call_fndecl (const_gimple gs)
2220 return gimple_call_addr_fndecl (gimple_call_fn (gs));
2224 /* Return the type returned by call statement GS. */
2227 gimple_call_return_type (const_gimple gs)
2229 tree type = gimple_call_fntype (gs);
2231 if (type == NULL_TREE)
2232 return TREE_TYPE (gimple_call_lhs (gs));
2234 /* The type returned by a function is the type of its
2236 return TREE_TYPE (type);
2240 /* Return the static chain for call statement GS. */
2243 gimple_call_chain (const_gimple gs)
2245 GIMPLE_CHECK (gs, GIMPLE_CALL);
2246 return gimple_op (gs, 2);
2250 /* Return a pointer to the static chain for call statement GS. */
2252 static inline tree *
2253 gimple_call_chain_ptr (const_gimple gs)
2255 GIMPLE_CHECK (gs, GIMPLE_CALL);
2256 return gimple_op_ptr (gs, 2);
2259 /* Set CHAIN to be the static chain for call statement GS. */
2262 gimple_call_set_chain (gimple gs, tree chain)
2264 GIMPLE_CHECK (gs, GIMPLE_CALL);
2266 gimple_set_op (gs, 2, chain);
2270 /* Return the number of arguments used by call statement GS. */
2272 static inline unsigned
2273 gimple_call_num_args (const_gimple gs)
2276 GIMPLE_CHECK (gs, GIMPLE_CALL);
2277 num_ops = gimple_num_ops (gs);
2282 /* Return the argument at position INDEX for call statement GS. */
2285 gimple_call_arg (const_gimple gs, unsigned index)
2287 GIMPLE_CHECK (gs, GIMPLE_CALL);
2288 return gimple_op (gs, index + 3);
2292 /* Return a pointer to the argument at position INDEX for call
2295 static inline tree *
2296 gimple_call_arg_ptr (const_gimple gs, unsigned index)
2298 GIMPLE_CHECK (gs, GIMPLE_CALL);
2299 return gimple_op_ptr (gs, index + 3);
2303 /* Set ARG to be the argument at position INDEX for call statement GS. */
2306 gimple_call_set_arg (gimple gs, unsigned index, tree arg)
2308 GIMPLE_CHECK (gs, GIMPLE_CALL);
2309 gimple_set_op (gs, index + 3, arg);
2313 /* If TAIL_P is true, mark call statement S as being a tail call
2314 (i.e., a call just before the exit of a function). These calls are
2315 candidate for tail call optimization. */
2318 gimple_call_set_tail (gimple s, bool tail_p)
2320 GIMPLE_CHECK (s, GIMPLE_CALL);
2322 s->gsbase.subcode |= GF_CALL_TAILCALL;
2324 s->gsbase.subcode &= ~GF_CALL_TAILCALL;
2328 /* Return true if GIMPLE_CALL S is marked as a tail call. */
2331 gimple_call_tail_p (gimple s)
2333 GIMPLE_CHECK (s, GIMPLE_CALL);
2334 return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0;
2338 /* Set the inlinable status of GIMPLE_CALL S to INLINABLE_P. */
2341 gimple_call_set_cannot_inline (gimple s, bool inlinable_p)
2343 GIMPLE_CHECK (s, GIMPLE_CALL);
2345 s->gsbase.subcode |= GF_CALL_CANNOT_INLINE;
2347 s->gsbase.subcode &= ~GF_CALL_CANNOT_INLINE;
2351 /* Return true if GIMPLE_CALL S cannot be inlined. */
2354 gimple_call_cannot_inline_p (gimple s)
2356 GIMPLE_CHECK (s, GIMPLE_CALL);
2357 return (s->gsbase.subcode & GF_CALL_CANNOT_INLINE) != 0;
2361 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return
2362 slot optimization. This transformation uses the target of the call
2363 expansion as the return slot for calls that return in memory. */
2366 gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p)
2368 GIMPLE_CHECK (s, GIMPLE_CALL);
2369 if (return_slot_opt_p)
2370 s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT;
2372 s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT;
2376 /* Return true if S is marked for return slot optimization. */
2379 gimple_call_return_slot_opt_p (gimple s)
2381 GIMPLE_CHECK (s, GIMPLE_CALL);
2382 return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0;
2386 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a
2387 thunk to the thunked-to function. */
2390 gimple_call_set_from_thunk (gimple s, bool from_thunk_p)
2392 GIMPLE_CHECK (s, GIMPLE_CALL);
2394 s->gsbase.subcode |= GF_CALL_FROM_THUNK;
2396 s->gsbase.subcode &= ~GF_CALL_FROM_THUNK;
2400 /* Return true if GIMPLE_CALL S is a jump from a thunk. */
2403 gimple_call_from_thunk_p (gimple s)
2405 GIMPLE_CHECK (s, GIMPLE_CALL);
2406 return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0;
2410 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the
2411 argument pack in its argument list. */
2414 gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p)
2416 GIMPLE_CHECK (s, GIMPLE_CALL);
2417 if (pass_arg_pack_p)
2418 s->gsbase.subcode |= GF_CALL_VA_ARG_PACK;
2420 s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK;
2424 /* Return true if GIMPLE_CALL S is a stdarg call that needs the
2425 argument pack in its argument list. */
2428 gimple_call_va_arg_pack_p (gimple s)
2430 GIMPLE_CHECK (s, GIMPLE_CALL);
2431 return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0;
2435 /* Return true if S is a noreturn call. */
2438 gimple_call_noreturn_p (gimple s)
2440 GIMPLE_CHECK (s, GIMPLE_CALL);
2441 return (gimple_call_flags (s) & ECF_NORETURN) != 0;
2445 /* If NOTHROW_P is true, GIMPLE_CALL S is a call that is known to not throw
2446 even if the called function can throw in other cases. */
2449 gimple_call_set_nothrow (gimple s, bool nothrow_p)
2451 GIMPLE_CHECK (s, GIMPLE_CALL);
2453 s->gsbase.subcode |= GF_CALL_NOTHROW;
2455 s->gsbase.subcode &= ~GF_CALL_NOTHROW;
2458 /* Return true if S is a nothrow call. */
2461 gimple_call_nothrow_p (gimple s)
2463 GIMPLE_CHECK (s, GIMPLE_CALL);
2464 return (gimple_call_flags (s) & ECF_NOTHROW) != 0;
2467 /* If FOR_VAR is true, GIMPLE_CALL S is a call to builtin_alloca that
2468 is known to be emitted for VLA objects. Those are wrapped by
2469 stack_save/stack_restore calls and hence can't lead to unbounded
2470 stack growth even when they occur in loops. */
2473 gimple_call_set_alloca_for_var (gimple s, bool for_var)
2475 GIMPLE_CHECK (s, GIMPLE_CALL);
2477 s->gsbase.subcode |= GF_CALL_ALLOCA_FOR_VAR;
2479 s->gsbase.subcode &= ~GF_CALL_ALLOCA_FOR_VAR;
2482 /* Return true of S is a call to builtin_alloca emitted for VLA objects. */
2485 gimple_call_alloca_for_var_p (gimple s)
2487 GIMPLE_CHECK (s, GIMPLE_CALL);
2488 return (s->gsbase.subcode & GF_CALL_ALLOCA_FOR_VAR) != 0;
2491 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */
2494 gimple_call_copy_flags (gimple dest_call, gimple orig_call)
2496 GIMPLE_CHECK (dest_call, GIMPLE_CALL);
2497 GIMPLE_CHECK (orig_call, GIMPLE_CALL);
2498 dest_call->gsbase.subcode = orig_call->gsbase.subcode;
2502 /* Return a pointer to the points-to solution for the set of call-used
2503 variables of the call CALL. */
2505 static inline struct pt_solution *
2506 gimple_call_use_set (gimple call)
2508 GIMPLE_CHECK (call, GIMPLE_CALL);
2509 return &call->gimple_call.call_used;
2513 /* Return a pointer to the points-to solution for the set of call-used
2514 variables of the call CALL. */
2516 static inline struct pt_solution *
2517 gimple_call_clobber_set (gimple call)
2519 GIMPLE_CHECK (call, GIMPLE_CALL);
2520 return &call->gimple_call.call_clobbered;
2524 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a
2528 gimple_has_lhs (gimple stmt)
2530 return (is_gimple_assign (stmt)
2531 || (is_gimple_call (stmt)
2532 && gimple_call_lhs (stmt) != NULL_TREE));
2536 /* Return the code of the predicate computed by conditional statement GS. */
2538 static inline enum tree_code
2539 gimple_cond_code (const_gimple gs)
2541 GIMPLE_CHECK (gs, GIMPLE_COND);
2542 return (enum tree_code) gs->gsbase.subcode;
2546 /* Set CODE to be the predicate code for the conditional statement GS. */
2549 gimple_cond_set_code (gimple gs, enum tree_code code)
2551 GIMPLE_CHECK (gs, GIMPLE_COND);
2552 gs->gsbase.subcode = code;
2556 /* Return the LHS of the predicate computed by conditional statement GS. */
2559 gimple_cond_lhs (const_gimple gs)
2561 GIMPLE_CHECK (gs, GIMPLE_COND);
2562 return gimple_op (gs, 0);
2565 /* Return the pointer to the LHS of the predicate computed by conditional
2568 static inline tree *
2569 gimple_cond_lhs_ptr (const_gimple gs)
2571 GIMPLE_CHECK (gs, GIMPLE_COND);
2572 return gimple_op_ptr (gs, 0);
2575 /* Set LHS to be the LHS operand of the predicate computed by
2576 conditional statement GS. */
2579 gimple_cond_set_lhs (gimple gs, tree lhs)
2581 GIMPLE_CHECK (gs, GIMPLE_COND);
2582 gimple_set_op (gs, 0, lhs);
2586 /* Return the RHS operand of the predicate computed by conditional GS. */
2589 gimple_cond_rhs (const_gimple gs)
2591 GIMPLE_CHECK (gs, GIMPLE_COND);
2592 return gimple_op (gs, 1);
2595 /* Return the pointer to the RHS operand of the predicate computed by
2598 static inline tree *
2599 gimple_cond_rhs_ptr (const_gimple gs)
2601 GIMPLE_CHECK (gs, GIMPLE_COND);
2602 return gimple_op_ptr (gs, 1);
2606 /* Set RHS to be the RHS operand of the predicate computed by
2607 conditional statement GS. */
2610 gimple_cond_set_rhs (gimple gs, tree rhs)
2612 GIMPLE_CHECK (gs, GIMPLE_COND);
2613 gimple_set_op (gs, 1, rhs);
2617 /* Return the label used by conditional statement GS when its
2618 predicate evaluates to true. */
2621 gimple_cond_true_label (const_gimple gs)
2623 GIMPLE_CHECK (gs, GIMPLE_COND);
2624 return gimple_op (gs, 2);
2628 /* Set LABEL to be the label used by conditional statement GS when its
2629 predicate evaluates to true. */
2632 gimple_cond_set_true_label (gimple gs, tree label)
2634 GIMPLE_CHECK (gs, GIMPLE_COND);
2635 gimple_set_op (gs, 2, label);
2639 /* Set LABEL to be the label used by conditional statement GS when its
2640 predicate evaluates to false. */
2643 gimple_cond_set_false_label (gimple gs, tree label)
2645 GIMPLE_CHECK (gs, GIMPLE_COND);
2646 gimple_set_op (gs, 3, label);
2650 /* Return the label used by conditional statement GS when its
2651 predicate evaluates to false. */
2654 gimple_cond_false_label (const_gimple gs)
2656 GIMPLE_CHECK (gs, GIMPLE_COND);
2657 return gimple_op (gs, 3);
2661 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */
2664 gimple_cond_make_false (gimple gs)
2666 gimple_cond_set_lhs (gs, boolean_true_node);
2667 gimple_cond_set_rhs (gs, boolean_false_node);
2668 gs->gsbase.subcode = EQ_EXPR;
2672 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */
2675 gimple_cond_make_true (gimple gs)
2677 gimple_cond_set_lhs (gs, boolean_true_node);
2678 gimple_cond_set_rhs (gs, boolean_true_node);
2679 gs->gsbase.subcode = EQ_EXPR;
2682 /* Check if conditional statemente GS is of the form 'if (1 == 1)',
2683 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */
2686 gimple_cond_true_p (const_gimple gs)
2688 tree lhs = gimple_cond_lhs (gs);
2689 tree rhs = gimple_cond_rhs (gs);
2690 enum tree_code code = gimple_cond_code (gs);
2692 if (lhs != boolean_true_node && lhs != boolean_false_node)
2695 if (rhs != boolean_true_node && rhs != boolean_false_node)
2698 if (code == NE_EXPR && lhs != rhs)
2701 if (code == EQ_EXPR && lhs == rhs)
2707 /* Check if conditional statement GS is of the form 'if (1 != 1)',
2708 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */
2711 gimple_cond_false_p (const_gimple gs)
2713 tree lhs = gimple_cond_lhs (gs);
2714 tree rhs = gimple_cond_rhs (gs);
2715 enum tree_code code = gimple_cond_code (gs);
2717 if (lhs != boolean_true_node && lhs != boolean_false_node)
2720 if (rhs != boolean_true_node && rhs != boolean_false_node)
2723 if (code == NE_EXPR && lhs == rhs)
2726 if (code == EQ_EXPR && lhs != rhs)
2732 /* Check if conditional statement GS is of the form 'if (var != 0)' or
2736 gimple_cond_single_var_p (gimple gs)
2738 if (gimple_cond_code (gs) == NE_EXPR
2739 && gimple_cond_rhs (gs) == boolean_false_node)
2742 if (gimple_cond_code (gs) == EQ_EXPR
2743 && gimple_cond_rhs (gs) == boolean_true_node)
2749 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */
2752 gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs)
2754 gimple_cond_set_code (stmt, code);
2755 gimple_cond_set_lhs (stmt, lhs);
2756 gimple_cond_set_rhs (stmt, rhs);
2759 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */
2762 gimple_label_label (const_gimple gs)
2764 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2765 return gimple_op (gs, 0);
2769 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement
2773 gimple_label_set_label (gimple gs, tree label)
2775 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2776 gimple_set_op (gs, 0, label);
2780 /* Return the destination of the unconditional jump GS. */
2783 gimple_goto_dest (const_gimple gs)
2785 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2786 return gimple_op (gs, 0);
2790 /* Set DEST to be the destination of the unconditonal jump GS. */
2793 gimple_goto_set_dest (gimple gs, tree dest)
2795 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2796 gimple_set_op (gs, 0, dest);
2800 /* Return the variables declared in the GIMPLE_BIND statement GS. */
2803 gimple_bind_vars (const_gimple gs)
2805 GIMPLE_CHECK (gs, GIMPLE_BIND);
2806 return gs->gimple_bind.vars;
2810 /* Set VARS to be the set of variables declared in the GIMPLE_BIND
2814 gimple_bind_set_vars (gimple gs, tree vars)
2816 GIMPLE_CHECK (gs, GIMPLE_BIND);
2817 gs->gimple_bind.vars = vars;
2821 /* Append VARS to the set of variables declared in the GIMPLE_BIND
2825 gimple_bind_append_vars (gimple gs, tree vars)
2827 GIMPLE_CHECK (gs, GIMPLE_BIND);
2828 gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars);
2832 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */
2834 static inline gimple_seq
2835 gimple_bind_body (gimple gs)
2837 GIMPLE_CHECK (gs, GIMPLE_BIND);
2838 return gs->gimple_bind.body;
2842 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND
2846 gimple_bind_set_body (gimple gs, gimple_seq seq)
2848 GIMPLE_CHECK (gs, GIMPLE_BIND);
2849 gs->gimple_bind.body = seq;
2853 /* Append a statement to the end of a GIMPLE_BIND's body. */
2856 gimple_bind_add_stmt (gimple gs, gimple stmt)
2858 GIMPLE_CHECK (gs, GIMPLE_BIND);
2859 gimple_seq_add_stmt (&gs->gimple_bind.body, stmt);
2863 /* Append a sequence of statements to the end of a GIMPLE_BIND's body. */
2866 gimple_bind_add_seq (gimple gs, gimple_seq seq)
2868 GIMPLE_CHECK (gs, GIMPLE_BIND);
2869 gimple_seq_add_seq (&gs->gimple_bind.body, seq);
2873 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement
2874 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */
2877 gimple_bind_block (const_gimple gs)
2879 GIMPLE_CHECK (gs, GIMPLE_BIND);
2880 return gs->gimple_bind.block;
2884 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND
2888 gimple_bind_set_block (gimple gs, tree block)
2890 GIMPLE_CHECK (gs, GIMPLE_BIND);
2891 gcc_gimple_checking_assert (block == NULL_TREE
2892 || TREE_CODE (block) == BLOCK);
2893 gs->gimple_bind.block = block;
2897 /* Return the number of input operands for GIMPLE_ASM GS. */
2899 static inline unsigned
2900 gimple_asm_ninputs (const_gimple gs)
2902 GIMPLE_CHECK (gs, GIMPLE_ASM);
2903 return gs->gimple_asm.ni;
2907 /* Return the number of output operands for GIMPLE_ASM GS. */
2909 static inline unsigned
2910 gimple_asm_noutputs (const_gimple gs)
2912 GIMPLE_CHECK (gs, GIMPLE_ASM);
2913 return gs->gimple_asm.no;
2917 /* Return the number of clobber operands for GIMPLE_ASM GS. */
2919 static inline unsigned
2920 gimple_asm_nclobbers (const_gimple gs)
2922 GIMPLE_CHECK (gs, GIMPLE_ASM);
2923 return gs->gimple_asm.nc;
2926 /* Return the number of label operands for GIMPLE_ASM GS. */
2928 static inline unsigned
2929 gimple_asm_nlabels (const_gimple gs)
2931 GIMPLE_CHECK (gs, GIMPLE_ASM);
2932 return gs->gimple_asm.nl;
2935 /* Return input operand INDEX of GIMPLE_ASM GS. */
2938 gimple_asm_input_op (const_gimple gs, unsigned index)
2940 GIMPLE_CHECK (gs, GIMPLE_ASM);
2941 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni);
2942 return gimple_op (gs, index);
2945 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */
2947 static inline tree *
2948 gimple_asm_input_op_ptr (const_gimple gs, unsigned index)
2950 GIMPLE_CHECK (gs, GIMPLE_ASM);
2951 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni);
2952 return gimple_op_ptr (gs, index);
2956 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */
2959 gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op)
2961 GIMPLE_CHECK (gs, GIMPLE_ASM);
2962 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni
2963 && TREE_CODE (in_op) == TREE_LIST);
2964 gimple_set_op (gs, index, in_op);
2968 /* Return output operand INDEX of GIMPLE_ASM GS. */
2971 gimple_asm_output_op (const_gimple gs, unsigned index)
2973 GIMPLE_CHECK (gs, GIMPLE_ASM);
2974 gcc_gimple_checking_assert (index <= gs->gimple_asm.no);
2975 return gimple_op (gs, index + gs->gimple_asm.ni);
2978 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */
2980 static inline tree *
2981 gimple_asm_output_op_ptr (const_gimple gs, unsigned index)
2983 GIMPLE_CHECK (gs, GIMPLE_ASM);
2984 gcc_gimple_checking_assert (index <= gs->gimple_asm.no);
2985 return gimple_op_ptr (gs, index + gs->gimple_asm.ni);
2989 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */
2992 gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op)
2994 GIMPLE_CHECK (gs, GIMPLE_ASM);
2995 gcc_gimple_checking_assert (index <= gs->gimple_asm.no
2996 && TREE_CODE (out_op) == TREE_LIST);
2997 gimple_set_op (gs, index + gs->gimple_asm.ni, out_op);
3001 /* Return clobber operand INDEX of GIMPLE_ASM GS. */
3004 gimple_asm_clobber_op (const_gimple gs, unsigned index)
3006 GIMPLE_CHECK (gs, GIMPLE_ASM);
3007 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc);
3008 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no);
3012 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */
3015 gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op)
3017 GIMPLE_CHECK (gs, GIMPLE_ASM);
3018 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc
3019 && TREE_CODE (clobber_op) == TREE_LIST);
3020 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op);
3023 /* Return label operand INDEX of GIMPLE_ASM GS. */
3026 gimple_asm_label_op (const_gimple gs, unsigned index)
3028 GIMPLE_CHECK (gs, GIMPLE_ASM);
3029 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl);
3030 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc);
3033 /* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS. */
3036 gimple_asm_set_label_op (gimple gs, unsigned index, tree label_op)
3038 GIMPLE_CHECK (gs, GIMPLE_ASM);
3039 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl
3040 && TREE_CODE (label_op) == TREE_LIST);
3041 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc, label_op);
3044 /* Return the string representing the assembly instruction in
3047 static inline const char *
3048 gimple_asm_string (const_gimple gs)
3050 GIMPLE_CHECK (gs, GIMPLE_ASM);
3051 return gs->gimple_asm.string;
3055 /* Return true if GS is an asm statement marked volatile. */
3058 gimple_asm_volatile_p (const_gimple gs)
3060 GIMPLE_CHECK (gs, GIMPLE_ASM);
3061 return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0;
3065 /* If VOLATLE_P is true, mark asm statement GS as volatile. */
3068 gimple_asm_set_volatile (gimple gs, bool volatile_p)
3070 GIMPLE_CHECK (gs, GIMPLE_ASM);
3072 gs->gsbase.subcode |= GF_ASM_VOLATILE;
3074 gs->gsbase.subcode &= ~GF_ASM_VOLATILE;
3078 /* If INPUT_P is true, mark asm GS as an ASM_INPUT. */
3081 gimple_asm_set_input (gimple gs, bool input_p)
3083 GIMPLE_CHECK (gs, GIMPLE_ASM);
3085 gs->gsbase.subcode |= GF_ASM_INPUT;
3087 gs->gsbase.subcode &= ~GF_ASM_INPUT;
3091 /* Return true if asm GS is an ASM_INPUT. */
3094 gimple_asm_input_p (const_gimple gs)
3096 GIMPLE_CHECK (gs, GIMPLE_ASM);
3097 return (gs->gsbase.subcode & GF_ASM_INPUT) != 0;
3101 /* Return the types handled by GIMPLE_CATCH statement GS. */
3104 gimple_catch_types (const_gimple gs)
3106 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3107 return gs->gimple_catch.types;
3111 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */
3113 static inline tree *
3114 gimple_catch_types_ptr (gimple gs)
3116 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3117 return &gs->gimple_catch.types;
3121 /* Return the GIMPLE sequence representing the body of the handler of
3122 GIMPLE_CATCH statement GS. */
3124 static inline gimple_seq
3125 gimple_catch_handler (gimple gs)
3127 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3128 return gs->gimple_catch.handler;
3132 /* Return a pointer to the GIMPLE sequence representing the body of
3133 the handler of GIMPLE_CATCH statement GS. */
3135 static inline gimple_seq *
3136 gimple_catch_handler_ptr (gimple gs)
3138 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3139 return &gs->gimple_catch.handler;
3143 /* Set T to be the set of types handled by GIMPLE_CATCH GS. */
3146 gimple_catch_set_types (gimple gs, tree t)
3148 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3149 gs->gimple_catch.types = t;
3153 /* Set HANDLER to be the body of GIMPLE_CATCH GS. */
3156 gimple_catch_set_handler (gimple gs, gimple_seq handler)
3158 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3159 gs->gimple_catch.handler = handler;
3163 /* Return the types handled by GIMPLE_EH_FILTER statement GS. */
3166 gimple_eh_filter_types (const_gimple gs)
3168 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3169 return gs->gimple_eh_filter.types;
3173 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement
3176 static inline tree *
3177 gimple_eh_filter_types_ptr (gimple gs)
3179 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3180 return &gs->gimple_eh_filter.types;
3184 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER
3187 static inline gimple_seq
3188 gimple_eh_filter_failure (gimple gs)
3190 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3191 return gs->gimple_eh_filter.failure;
3195 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */
3198 gimple_eh_filter_set_types (gimple gs, tree types)
3200 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3201 gs->gimple_eh_filter.types = types;
3205 /* Set FAILURE to be the sequence of statements to execute on failure
3206 for GIMPLE_EH_FILTER GS. */
3209 gimple_eh_filter_set_failure (gimple gs, gimple_seq failure)
3211 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3212 gs->gimple_eh_filter.failure = failure;
3215 /* Get the function decl to be called by the MUST_NOT_THROW region. */
3218 gimple_eh_must_not_throw_fndecl (gimple gs)
3220 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
3221 return gs->gimple_eh_mnt.fndecl;
3224 /* Set the function decl to be called by GS to DECL. */
3227 gimple_eh_must_not_throw_set_fndecl (gimple gs, tree decl)
3229 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
3230 gs->gimple_eh_mnt.fndecl = decl;
3233 /* GIMPLE_EH_ELSE accessors. */
3235 static inline gimple_seq
3236 gimple_eh_else_n_body (gimple gs)
3238 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3239 return gs->gimple_eh_else.n_body;
3242 static inline gimple_seq
3243 gimple_eh_else_e_body (gimple gs)
3245 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3246 return gs->gimple_eh_else.e_body;
3250 gimple_eh_else_set_n_body (gimple gs, gimple_seq seq)
3252 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3253 gs->gimple_eh_else.n_body = seq;
3257 gimple_eh_else_set_e_body (gimple gs, gimple_seq seq)
3259 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3260 gs->gimple_eh_else.e_body = seq;
3263 /* GIMPLE_TRY accessors. */
3265 /* Return the kind of try block represented by GIMPLE_TRY GS. This is
3266 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */
3268 static inline enum gimple_try_flags
3269 gimple_try_kind (const_gimple gs)
3271 GIMPLE_CHECK (gs, GIMPLE_TRY);
3272 return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND);
3276 /* Set the kind of try block represented by GIMPLE_TRY GS. */
3279 gimple_try_set_kind (gimple gs, enum gimple_try_flags kind)
3281 GIMPLE_CHECK (gs, GIMPLE_TRY);
3282 gcc_gimple_checking_assert (kind == GIMPLE_TRY_CATCH
3283 || kind == GIMPLE_TRY_FINALLY);
3284 if (gimple_try_kind (gs) != kind)
3285 gs->gsbase.subcode = (unsigned int) kind;
3289 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3292 gimple_try_catch_is_cleanup (const_gimple gs)
3294 gcc_gimple_checking_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH);
3295 return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0;
3299 /* Return the sequence of statements used as the body for GIMPLE_TRY GS. */
3301 static inline gimple_seq
3302 gimple_try_eval (gimple gs)
3304 GIMPLE_CHECK (gs, GIMPLE_TRY);
3305 return gs->gimple_try.eval;
3309 /* Return the sequence of statements used as the cleanup body for
3312 static inline gimple_seq
3313 gimple_try_cleanup (gimple gs)
3315 GIMPLE_CHECK (gs, GIMPLE_TRY);
3316 return gs->gimple_try.cleanup;
3320 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3323 gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup)
3325 gcc_gimple_checking_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH);
3326 if (catch_is_cleanup)
3327 g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP;
3329 g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP;
3333 /* Set EVAL to be the sequence of statements to use as the body for
3337 gimple_try_set_eval (gimple gs, gimple_seq eval)
3339 GIMPLE_CHECK (gs, GIMPLE_TRY);
3340 gs->gimple_try.eval = eval;
3344 /* Set CLEANUP to be the sequence of statements to use as the cleanup
3345 body for GIMPLE_TRY GS. */
3348 gimple_try_set_cleanup (gimple gs, gimple_seq cleanup)
3350 GIMPLE_CHECK (gs, GIMPLE_TRY);
3351 gs->gimple_try.cleanup = cleanup;
3355 /* Return the cleanup sequence for cleanup statement GS. */
3357 static inline gimple_seq
3358 gimple_wce_cleanup (gimple gs)
3360 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3361 return gs->gimple_wce.cleanup;
3365 /* Set CLEANUP to be the cleanup sequence for GS. */
3368 gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup)
3370 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3371 gs->gimple_wce.cleanup = cleanup;
3375 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */
3378 gimple_wce_cleanup_eh_only (const_gimple gs)
3380 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3381 return gs->gsbase.subcode != 0;
3385 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */
3388 gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p)
3390 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3391 gs->gsbase.subcode = (unsigned int) eh_only_p;
3395 /* Return the maximum number of arguments supported by GIMPLE_PHI GS. */
3397 static inline unsigned
3398 gimple_phi_capacity (const_gimple gs)
3400 GIMPLE_CHECK (gs, GIMPLE_PHI);
3401 return gs->gimple_phi.capacity;
3405 /* Return the number of arguments in GIMPLE_PHI GS. This must always
3406 be exactly the number of incoming edges for the basic block holding
3409 static inline unsigned
3410 gimple_phi_num_args (const_gimple gs)
3412 GIMPLE_CHECK (gs, GIMPLE_PHI);
3413 return gs->gimple_phi.nargs;
3417 /* Return the SSA name created by GIMPLE_PHI GS. */
3420 gimple_phi_result (const_gimple gs)
3422 GIMPLE_CHECK (gs, GIMPLE_PHI);
3423 return gs->gimple_phi.result;
3426 /* Return a pointer to the SSA name created by GIMPLE_PHI GS. */
3428 static inline tree *
3429 gimple_phi_result_ptr (gimple gs)
3431 GIMPLE_CHECK (gs, GIMPLE_PHI);
3432 return &gs->gimple_phi.result;
3435 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */
3438 gimple_phi_set_result (gimple gs, tree result)
3440 GIMPLE_CHECK (gs, GIMPLE_PHI);
3441 gs->gimple_phi.result = result;
3445 /* Return the PHI argument corresponding to incoming edge INDEX for
3448 static inline struct phi_arg_d *
3449 gimple_phi_arg (gimple gs, unsigned index)
3451 GIMPLE_CHECK (gs, GIMPLE_PHI);
3452 gcc_gimple_checking_assert (index <= gs->gimple_phi.capacity);
3453 return &(gs->gimple_phi.args[index]);
3456 /* Set PHIARG to be the argument corresponding to incoming edge INDEX
3457 for GIMPLE_PHI GS. */
3460 gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg)
3462 GIMPLE_CHECK (gs, GIMPLE_PHI);
3463 gcc_gimple_checking_assert (index <= gs->gimple_phi.nargs);
3464 gs->gimple_phi.args[index] = *phiarg;
3467 /* Return the region number for GIMPLE_RESX GS. */
3470 gimple_resx_region (const_gimple gs)
3472 GIMPLE_CHECK (gs, GIMPLE_RESX);
3473 return gs->gimple_eh_ctrl.region;
3476 /* Set REGION to be the region number for GIMPLE_RESX GS. */
3479 gimple_resx_set_region (gimple gs, int region)
3481 GIMPLE_CHECK (gs, GIMPLE_RESX);
3482 gs->gimple_eh_ctrl.region = region;
3485 /* Return the region number for GIMPLE_EH_DISPATCH GS. */
3488 gimple_eh_dispatch_region (const_gimple gs)
3490 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3491 return gs->gimple_eh_ctrl.region;
3494 /* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS. */
3497 gimple_eh_dispatch_set_region (gimple gs, int region)
3499 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3500 gs->gimple_eh_ctrl.region = region;
3503 /* Return the number of labels associated with the switch statement GS. */
3505 static inline unsigned
3506 gimple_switch_num_labels (const_gimple gs)
3509 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3510 num_ops = gimple_num_ops (gs);
3511 gcc_gimple_checking_assert (num_ops > 1);
3516 /* Set NLABELS to be the number of labels for the switch statement GS. */
3519 gimple_switch_set_num_labels (gimple g, unsigned nlabels)
3521 GIMPLE_CHECK (g, GIMPLE_SWITCH);
3522 gimple_set_num_ops (g, nlabels + 1);
3526 /* Return the index variable used by the switch statement GS. */
3529 gimple_switch_index (const_gimple gs)
3531 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3532 return gimple_op (gs, 0);
3536 /* Return a pointer to the index variable for the switch statement GS. */
3538 static inline tree *
3539 gimple_switch_index_ptr (const_gimple gs)
3541 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3542 return gimple_op_ptr (gs, 0);
3546 /* Set INDEX to be the index variable for switch statement GS. */
3549 gimple_switch_set_index (gimple gs, tree index)
3551 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3552 gcc_gimple_checking_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index));
3553 gimple_set_op (gs, 0, index);
3557 /* Return the label numbered INDEX. The default label is 0, followed by any
3558 labels in a switch statement. */
3561 gimple_switch_label (const_gimple gs, unsigned index)
3563 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3564 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1);
3565 return gimple_op (gs, index + 1);
3568 /* Set the label number INDEX to LABEL. 0 is always the default label. */
3571 gimple_switch_set_label (gimple gs, unsigned index, tree label)
3573 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3574 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1
3575 && (label == NULL_TREE
3576 || TREE_CODE (label) == CASE_LABEL_EXPR));
3577 gimple_set_op (gs, index + 1, label);
3580 /* Return the default label for a switch statement. */
3583 gimple_switch_default_label (const_gimple gs)
3585 return gimple_switch_label (gs, 0);
3588 /* Set the default label for a switch statement. */
3591 gimple_switch_set_default_label (gimple gs, tree label)
3593 gimple_switch_set_label (gs, 0, label);
3596 /* Return true if GS is a GIMPLE_DEBUG statement. */
3599 is_gimple_debug (const_gimple gs)
3601 return gimple_code (gs) == GIMPLE_DEBUG;
3604 /* Return true if S is a GIMPLE_DEBUG BIND statement. */
3607 gimple_debug_bind_p (const_gimple s)
3609 if (is_gimple_debug (s))
3610 return s->gsbase.subcode == GIMPLE_DEBUG_BIND;
3615 /* Return the variable bound in a GIMPLE_DEBUG bind statement. */
3618 gimple_debug_bind_get_var (gimple dbg)
3620 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3621 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3622 return gimple_op (dbg, 0);
3625 /* Return the value bound to the variable in a GIMPLE_DEBUG bind
3629 gimple_debug_bind_get_value (gimple dbg)
3631 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3632 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3633 return gimple_op (dbg, 1);
3636 /* Return a pointer to the value bound to the variable in a
3637 GIMPLE_DEBUG bind statement. */
3639 static inline tree *
3640 gimple_debug_bind_get_value_ptr (gimple dbg)
3642 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3643 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3644 return gimple_op_ptr (dbg, 1);
3647 /* Set the variable bound in a GIMPLE_DEBUG bind statement. */
3650 gimple_debug_bind_set_var (gimple dbg, tree var)
3652 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3653 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3654 gimple_set_op (dbg, 0, var);
3657 /* Set the value bound to the variable in a GIMPLE_DEBUG bind
3661 gimple_debug_bind_set_value (gimple dbg, tree value)
3663 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3664 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3665 gimple_set_op (dbg, 1, value);
3668 /* The second operand of a GIMPLE_DEBUG_BIND, when the value was
3670 #define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */
3672 /* Remove the value bound to the variable in a GIMPLE_DEBUG bind
3676 gimple_debug_bind_reset_value (gimple dbg)
3678 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3679 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3680 gimple_set_op (dbg, 1, GIMPLE_DEBUG_BIND_NOVALUE);
3683 /* Return true if the GIMPLE_DEBUG bind statement is bound to a
3687 gimple_debug_bind_has_value_p (gimple dbg)
3689 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3690 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3691 return gimple_op (dbg, 1) != GIMPLE_DEBUG_BIND_NOVALUE;
3694 #undef GIMPLE_DEBUG_BIND_NOVALUE
3696 /* Return true if S is a GIMPLE_DEBUG SOURCE BIND statement. */
3699 gimple_debug_source_bind_p (const_gimple s)
3701 if (is_gimple_debug (s))
3702 return s->gsbase.subcode == GIMPLE_DEBUG_SOURCE_BIND;
3707 /* Return the variable bound in a GIMPLE_DEBUG source bind statement. */
3710 gimple_debug_source_bind_get_var (gimple dbg)
3712 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3713 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3714 return gimple_op (dbg, 0);
3717 /* Return the value bound to the variable in a GIMPLE_DEBUG source bind
3721 gimple_debug_source_bind_get_value (gimple dbg)
3723 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3724 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3725 return gimple_op (dbg, 1);
3728 /* Return a pointer to the value bound to the variable in a
3729 GIMPLE_DEBUG source bind statement. */
3731 static inline tree *
3732 gimple_debug_source_bind_get_value_ptr (gimple dbg)
3734 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3735 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3736 return gimple_op_ptr (dbg, 1);
3739 /* Set the variable bound in a GIMPLE_DEBUG source bind statement. */
3742 gimple_debug_source_bind_set_var (gimple dbg, tree var)
3744 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3745 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3746 gimple_set_op (dbg, 0, var);
3749 /* Set the value bound to the variable in a GIMPLE_DEBUG source bind
3753 gimple_debug_source_bind_set_value (gimple dbg, tree value)
3755 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3756 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3757 gimple_set_op (dbg, 1, value);
3760 /* Return the body for the OMP statement GS. */
3762 static inline gimple_seq
3763 gimple_omp_body (gimple gs)
3765 return gs->omp.body;
3768 /* Set BODY to be the body for the OMP statement GS. */
3771 gimple_omp_set_body (gimple gs, gimple_seq body)
3773 gs->omp.body = body;
3777 /* Return the name associated with OMP_CRITICAL statement GS. */
3780 gimple_omp_critical_name (const_gimple gs)
3782 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3783 return gs->gimple_omp_critical.name;
3787 /* Return a pointer to the name associated with OMP critical statement GS. */
3789 static inline tree *
3790 gimple_omp_critical_name_ptr (gimple gs)
3792 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3793 return &gs->gimple_omp_critical.name;
3797 /* Set NAME to be the name associated with OMP critical statement GS. */
3800 gimple_omp_critical_set_name (gimple gs, tree name)
3802 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3803 gs->gimple_omp_critical.name = name;
3807 /* Return the clauses associated with OMP_FOR GS. */
3810 gimple_omp_for_clauses (const_gimple gs)
3812 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3813 return gs->gimple_omp_for.clauses;
3817 /* Return a pointer to the OMP_FOR GS. */
3819 static inline tree *
3820 gimple_omp_for_clauses_ptr (gimple gs)
3822 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3823 return &gs->gimple_omp_for.clauses;
3827 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */
3830 gimple_omp_for_set_clauses (gimple gs, tree clauses)
3832 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3833 gs->gimple_omp_for.clauses = clauses;
3837 /* Get the collapse count of OMP_FOR GS. */
3839 static inline size_t
3840 gimple_omp_for_collapse (gimple gs)
3842 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3843 return gs->gimple_omp_for.collapse;
3847 /* Return the index variable for OMP_FOR GS. */
3850 gimple_omp_for_index (const_gimple gs, size_t i)
3852 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3853 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3854 return gs->gimple_omp_for.iter[i].index;
3858 /* Return a pointer to the index variable for OMP_FOR GS. */
3860 static inline tree *
3861 gimple_omp_for_index_ptr (gimple gs, size_t i)
3863 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3864 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3865 return &gs->gimple_omp_for.iter[i].index;
3869 /* Set INDEX to be the index variable for OMP_FOR GS. */
3872 gimple_omp_for_set_index (gimple gs, size_t i, tree index)
3874 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3875 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3876 gs->gimple_omp_for.iter[i].index = index;
3880 /* Return the initial value for OMP_FOR GS. */
3883 gimple_omp_for_initial (const_gimple gs, size_t i)
3885 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3886 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3887 return gs->gimple_omp_for.iter[i].initial;
3891 /* Return a pointer to the initial value for OMP_FOR GS. */
3893 static inline tree *
3894 gimple_omp_for_initial_ptr (gimple gs, size_t i)
3896 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3897 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3898 return &gs->gimple_omp_for.iter[i].initial;
3902 /* Set INITIAL to be the initial value for OMP_FOR GS. */
3905 gimple_omp_for_set_initial (gimple gs, size_t i, tree initial)
3907 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3908 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3909 gs->gimple_omp_for.iter[i].initial = initial;
3913 /* Return the final value for OMP_FOR GS. */
3916 gimple_omp_for_final (const_gimple gs, size_t i)
3918 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3919 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3920 return gs->gimple_omp_for.iter[i].final;
3924 /* Return a pointer to the final value for OMP_FOR GS. */
3926 static inline tree *
3927 gimple_omp_for_final_ptr (gimple gs, size_t i)
3929 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3930 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3931 return &gs->gimple_omp_for.iter[i].final;
3935 /* Set FINAL to be the final value for OMP_FOR GS. */
3938 gimple_omp_for_set_final (gimple gs, size_t i, tree final)
3940 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3941 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3942 gs->gimple_omp_for.iter[i].final = final;
3946 /* Return the increment value for OMP_FOR GS. */
3949 gimple_omp_for_incr (const_gimple gs, size_t i)
3951 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3952 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3953 return gs->gimple_omp_for.iter[i].incr;
3957 /* Return a pointer to the increment value for OMP_FOR GS. */
3959 static inline tree *
3960 gimple_omp_for_incr_ptr (gimple gs, size_t i)
3962 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3963 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3964 return &gs->gimple_omp_for.iter[i].incr;
3968 /* Set INCR to be the increment value for OMP_FOR GS. */
3971 gimple_omp_for_set_incr (gimple gs, size_t i, tree incr)
3973 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3974 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3975 gs->gimple_omp_for.iter[i].incr = incr;
3979 /* Return the sequence of statements to execute before the OMP_FOR
3980 statement GS starts. */
3982 static inline gimple_seq
3983 gimple_omp_for_pre_body (gimple gs)
3985 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3986 return gs->gimple_omp_for.pre_body;
3990 /* Set PRE_BODY to be the sequence of statements to execute before the
3991 OMP_FOR statement GS starts. */
3994 gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body)
3996 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3997 gs->gimple_omp_for.pre_body = pre_body;
4001 /* Return the clauses associated with OMP_PARALLEL GS. */
4004 gimple_omp_parallel_clauses (const_gimple gs)
4006 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4007 return gs->gimple_omp_parallel.clauses;
4011 /* Return a pointer to the clauses associated with OMP_PARALLEL GS. */
4013 static inline tree *
4014 gimple_omp_parallel_clauses_ptr (gimple gs)
4016 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4017 return &gs->gimple_omp_parallel.clauses;
4021 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL
4025 gimple_omp_parallel_set_clauses (gimple gs, tree clauses)
4027 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4028 gs->gimple_omp_parallel.clauses = clauses;
4032 /* Return the child function used to hold the body of OMP_PARALLEL GS. */
4035 gimple_omp_parallel_child_fn (const_gimple gs)
4037 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4038 return gs->gimple_omp_parallel.child_fn;
4041 /* Return a pointer to the child function used to hold the body of
4044 static inline tree *
4045 gimple_omp_parallel_child_fn_ptr (gimple gs)
4047 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4048 return &gs->gimple_omp_parallel.child_fn;
4052 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */
4055 gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn)
4057 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4058 gs->gimple_omp_parallel.child_fn = child_fn;
4062 /* Return the artificial argument used to send variables and values
4063 from the parent to the children threads in OMP_PARALLEL GS. */
4066 gimple_omp_parallel_data_arg (const_gimple gs)
4068 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4069 return gs->gimple_omp_parallel.data_arg;
4073 /* Return a pointer to the data argument for OMP_PARALLEL GS. */
4075 static inline tree *
4076 gimple_omp_parallel_data_arg_ptr (gimple gs)
4078 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4079 return &gs->gimple_omp_parallel.data_arg;
4083 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */
4086 gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg)
4088 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4089 gs->gimple_omp_parallel.data_arg = data_arg;
4093 /* Return the clauses associated with OMP_TASK GS. */
4096 gimple_omp_task_clauses (const_gimple gs)
4098 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4099 return gs->gimple_omp_parallel.clauses;
4103 /* Return a pointer to the clauses associated with OMP_TASK GS. */
4105 static inline tree *
4106 gimple_omp_task_clauses_ptr (gimple gs)
4108 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4109 return &gs->gimple_omp_parallel.clauses;
4113 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
4117 gimple_omp_task_set_clauses (gimple gs, tree clauses)
4119 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4120 gs->gimple_omp_parallel.clauses = clauses;
4124 /* Return the child function used to hold the body of OMP_TASK GS. */
4127 gimple_omp_task_child_fn (const_gimple gs)
4129 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4130 return gs->gimple_omp_parallel.child_fn;
4133 /* Return a pointer to the child function used to hold the body of
4136 static inline tree *
4137 gimple_omp_task_child_fn_ptr (gimple gs)
4139 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4140 return &gs->gimple_omp_parallel.child_fn;
4144 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
4147 gimple_omp_task_set_child_fn (gimple gs, tree child_fn)
4149 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4150 gs->gimple_omp_parallel.child_fn = child_fn;
4154 /* Return the artificial argument used to send variables and values
4155 from the parent to the children threads in OMP_TASK GS. */
4158 gimple_omp_task_data_arg (const_gimple gs)
4160 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4161 return gs->gimple_omp_parallel.data_arg;
4165 /* Return a pointer to the data argument for OMP_TASK GS. */
4167 static inline tree *
4168 gimple_omp_task_data_arg_ptr (gimple gs)
4170 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4171 return &gs->gimple_omp_parallel.data_arg;
4175 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
4178 gimple_omp_task_set_data_arg (gimple gs, tree data_arg)
4180 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4181 gs->gimple_omp_parallel.data_arg = data_arg;
4185 /* Return the clauses associated with OMP_TASK GS. */
4188 gimple_omp_taskreg_clauses (const_gimple gs)
4190 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4191 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4192 return gs->gimple_omp_parallel.clauses;
4196 /* Return a pointer to the clauses associated with OMP_TASK GS. */
4198 static inline tree *
4199 gimple_omp_taskreg_clauses_ptr (gimple gs)
4201 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4202 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4203 return &gs->gimple_omp_parallel.clauses;
4207 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
4211 gimple_omp_taskreg_set_clauses (gimple gs, tree clauses)
4213 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4214 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4215 gs->gimple_omp_parallel.clauses = clauses;
4219 /* Return the child function used to hold the body of OMP_TASK GS. */
4222 gimple_omp_taskreg_child_fn (const_gimple gs)
4224 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4225 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4226 return gs->gimple_omp_parallel.child_fn;
4229 /* Return a pointer to the child function used to hold the body of
4232 static inline tree *
4233 gimple_omp_taskreg_child_fn_ptr (gimple gs)
4235 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4236 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4237 return &gs->gimple_omp_parallel.child_fn;
4241 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
4244 gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn)
4246 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4247 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4248 gs->gimple_omp_parallel.child_fn = child_fn;
4252 /* Return the artificial argument used to send variables and values
4253 from the parent to the children threads in OMP_TASK GS. */
4256 gimple_omp_taskreg_data_arg (const_gimple gs)
4258 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4259 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4260 return gs->gimple_omp_parallel.data_arg;
4264 /* Return a pointer to the data argument for OMP_TASK GS. */
4266 static inline tree *
4267 gimple_omp_taskreg_data_arg_ptr (gimple gs)
4269 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4270 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4271 return &gs->gimple_omp_parallel.data_arg;
4275 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
4278 gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg)
4280 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4281 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4282 gs->gimple_omp_parallel.data_arg = data_arg;
4286 /* Return the copy function used to hold the body of OMP_TASK GS. */
4289 gimple_omp_task_copy_fn (const_gimple gs)
4291 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4292 return gs->gimple_omp_task.copy_fn;
4295 /* Return a pointer to the copy function used to hold the body of
4298 static inline tree *
4299 gimple_omp_task_copy_fn_ptr (gimple gs)
4301 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4302 return &gs->gimple_omp_task.copy_fn;
4306 /* Set CHILD_FN to be the copy function for OMP_TASK GS. */
4309 gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn)
4311 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4312 gs->gimple_omp_task.copy_fn = copy_fn;
4316 /* Return size of the data block in bytes in OMP_TASK GS. */
4319 gimple_omp_task_arg_size (const_gimple gs)
4321 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4322 return gs->gimple_omp_task.arg_size;
4326 /* Return a pointer to the data block size for OMP_TASK GS. */
4328 static inline tree *
4329 gimple_omp_task_arg_size_ptr (gimple gs)
4331 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4332 return &gs->gimple_omp_task.arg_size;
4336 /* Set ARG_SIZE to be the data block size for OMP_TASK GS. */
4339 gimple_omp_task_set_arg_size (gimple gs, tree arg_size)
4341 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4342 gs->gimple_omp_task.arg_size = arg_size;
4346 /* Return align of the data block in bytes in OMP_TASK GS. */
4349 gimple_omp_task_arg_align (const_gimple gs)
4351 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4352 return gs->gimple_omp_task.arg_align;
4356 /* Return a pointer to the data block align for OMP_TASK GS. */
4358 static inline tree *
4359 gimple_omp_task_arg_align_ptr (gimple gs)
4361 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4362 return &gs->gimple_omp_task.arg_align;
4366 /* Set ARG_SIZE to be the data block align for OMP_TASK GS. */
4369 gimple_omp_task_set_arg_align (gimple gs, tree arg_align)
4371 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4372 gs->gimple_omp_task.arg_align = arg_align;
4376 /* Return the clauses associated with OMP_SINGLE GS. */
4379 gimple_omp_single_clauses (const_gimple gs)
4381 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4382 return gs->gimple_omp_single.clauses;
4386 /* Return a pointer to the clauses associated with OMP_SINGLE GS. */
4388 static inline tree *
4389 gimple_omp_single_clauses_ptr (gimple gs)
4391 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4392 return &gs->gimple_omp_single.clauses;
4396 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */
4399 gimple_omp_single_set_clauses (gimple gs, tree clauses)
4401 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4402 gs->gimple_omp_single.clauses = clauses;
4406 /* Return the clauses associated with OMP_SECTIONS GS. */
4409 gimple_omp_sections_clauses (const_gimple gs)
4411 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4412 return gs->gimple_omp_sections.clauses;
4416 /* Return a pointer to the clauses associated with OMP_SECTIONS GS. */
4418 static inline tree *
4419 gimple_omp_sections_clauses_ptr (gimple gs)
4421 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4422 return &gs->gimple_omp_sections.clauses;
4426 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS
4430 gimple_omp_sections_set_clauses (gimple gs, tree clauses)
4432 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4433 gs->gimple_omp_sections.clauses = clauses;
4437 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS
4441 gimple_omp_sections_control (const_gimple gs)
4443 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4444 return gs->gimple_omp_sections.control;
4448 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS
4451 static inline tree *
4452 gimple_omp_sections_control_ptr (gimple gs)
4454 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4455 return &gs->gimple_omp_sections.control;
4459 /* Set CONTROL to be the set of clauses associated with the
4460 GIMPLE_OMP_SECTIONS in GS. */
4463 gimple_omp_sections_set_control (gimple gs, tree control)
4465 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4466 gs->gimple_omp_sections.control = control;
4470 /* Set COND to be the condition code for OMP_FOR GS. */
4473 gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond)
4475 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4476 gcc_gimple_checking_assert (TREE_CODE_CLASS (cond) == tcc_comparison
4477 && i < gs->gimple_omp_for.collapse);
4478 gs->gimple_omp_for.iter[i].cond = cond;
4482 /* Return the condition code associated with OMP_FOR GS. */
4484 static inline enum tree_code
4485 gimple_omp_for_cond (const_gimple gs, size_t i)
4487 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4488 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
4489 return gs->gimple_omp_for.iter[i].cond;
4493 /* Set the value being stored in an atomic store. */
4496 gimple_omp_atomic_store_set_val (gimple g, tree val)
4498 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4499 g->gimple_omp_atomic_store.val = val;
4503 /* Return the value being stored in an atomic store. */
4506 gimple_omp_atomic_store_val (const_gimple g)
4508 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4509 return g->gimple_omp_atomic_store.val;
4513 /* Return a pointer to the value being stored in an atomic store. */
4515 static inline tree *
4516 gimple_omp_atomic_store_val_ptr (gimple g)
4518 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4519 return &g->gimple_omp_atomic_store.val;
4523 /* Set the LHS of an atomic load. */
4526 gimple_omp_atomic_load_set_lhs (gimple g, tree lhs)
4528 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4529 g->gimple_omp_atomic_load.lhs = lhs;
4533 /* Get the LHS of an atomic load. */
4536 gimple_omp_atomic_load_lhs (const_gimple g)
4538 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4539 return g->gimple_omp_atomic_load.lhs;
4543 /* Return a pointer to the LHS of an atomic load. */
4545 static inline tree *
4546 gimple_omp_atomic_load_lhs_ptr (gimple g)
4548 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4549 return &g->gimple_omp_atomic_load.lhs;
4553 /* Set the RHS of an atomic load. */
4556 gimple_omp_atomic_load_set_rhs (gimple g, tree rhs)
4558 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4559 g->gimple_omp_atomic_load.rhs = rhs;
4563 /* Get the RHS of an atomic load. */
4566 gimple_omp_atomic_load_rhs (const_gimple g)
4568 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4569 return g->gimple_omp_atomic_load.rhs;
4573 /* Return a pointer to the RHS of an atomic load. */
4575 static inline tree *
4576 gimple_omp_atomic_load_rhs_ptr (gimple g)
4578 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4579 return &g->gimple_omp_atomic_load.rhs;
4583 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4586 gimple_omp_continue_control_def (const_gimple g)
4588 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4589 return g->gimple_omp_continue.control_def;
4592 /* The same as above, but return the address. */
4594 static inline tree *
4595 gimple_omp_continue_control_def_ptr (gimple g)
4597 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4598 return &g->gimple_omp_continue.control_def;
4601 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4604 gimple_omp_continue_set_control_def (gimple g, tree def)
4606 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4607 g->gimple_omp_continue.control_def = def;
4611 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4614 gimple_omp_continue_control_use (const_gimple g)
4616 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4617 return g->gimple_omp_continue.control_use;
4621 /* The same as above, but return the address. */
4623 static inline tree *
4624 gimple_omp_continue_control_use_ptr (gimple g)
4626 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4627 return &g->gimple_omp_continue.control_use;
4631 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4634 gimple_omp_continue_set_control_use (gimple g, tree use)
4636 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4637 g->gimple_omp_continue.control_use = use;
4640 /* Return the body for the GIMPLE_TRANSACTION statement GS. */
4642 static inline gimple_seq
4643 gimple_transaction_body (gimple gs)
4645 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4646 return gs->gimple_transaction.body;
4649 /* Return the label associated with a GIMPLE_TRANSACTION. */
4652 gimple_transaction_label (const_gimple gs)
4654 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4655 return gs->gimple_transaction.label;
4658 static inline tree *
4659 gimple_transaction_label_ptr (gimple gs)
4661 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4662 return &gs->gimple_transaction.label;
4665 /* Return the subcode associated with a GIMPLE_TRANSACTION. */
4667 static inline unsigned int
4668 gimple_transaction_subcode (const_gimple gs)
4670 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4671 return gs->gsbase.subcode;
4674 /* Set BODY to be the body for the GIMPLE_TRANSACTION statement GS. */
4677 gimple_transaction_set_body (gimple gs, gimple_seq body)
4679 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4680 gs->gimple_transaction.body = body;
4683 /* Set the label associated with a GIMPLE_TRANSACTION. */
4686 gimple_transaction_set_label (gimple gs, tree label)
4688 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4689 gs->gimple_transaction.label = label;
4692 /* Set the subcode associated with a GIMPLE_TRANSACTION. */
4695 gimple_transaction_set_subcode (gimple gs, unsigned int subcode)
4697 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4698 gs->gsbase.subcode = subcode;
4702 /* Return a pointer to the return value for GIMPLE_RETURN GS. */
4704 static inline tree *
4705 gimple_return_retval_ptr (const_gimple gs)
4707 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4708 return gimple_op_ptr (gs, 0);
4711 /* Return the return value for GIMPLE_RETURN GS. */
4714 gimple_return_retval (const_gimple gs)
4716 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4717 return gimple_op (gs, 0);
4721 /* Set RETVAL to be the return value for GIMPLE_RETURN GS. */
4724 gimple_return_set_retval (gimple gs, tree retval)
4726 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4727 gimple_set_op (gs, 0, retval);
4731 /* Returns true when the gimple statment STMT is any of the OpenMP types. */
4733 #define CASE_GIMPLE_OMP \
4734 case GIMPLE_OMP_PARALLEL: \
4735 case GIMPLE_OMP_TASK: \
4736 case GIMPLE_OMP_FOR: \
4737 case GIMPLE_OMP_SECTIONS: \
4738 case GIMPLE_OMP_SECTIONS_SWITCH: \
4739 case GIMPLE_OMP_SINGLE: \
4740 case GIMPLE_OMP_SECTION: \
4741 case GIMPLE_OMP_MASTER: \
4742 case GIMPLE_OMP_ORDERED: \
4743 case GIMPLE_OMP_CRITICAL: \
4744 case GIMPLE_OMP_RETURN: \
4745 case GIMPLE_OMP_ATOMIC_LOAD: \
4746 case GIMPLE_OMP_ATOMIC_STORE: \
4747 case GIMPLE_OMP_CONTINUE
4750 is_gimple_omp (const_gimple stmt)
4752 switch (gimple_code (stmt))
4762 /* Returns TRUE if statement G is a GIMPLE_NOP. */
4765 gimple_nop_p (const_gimple g)
4767 return gimple_code (g) == GIMPLE_NOP;
4771 /* Return true if GS is a GIMPLE_RESX. */
4774 is_gimple_resx (const_gimple gs)
4776 return gimple_code (gs) == GIMPLE_RESX;
4779 /* Return the predictor of GIMPLE_PREDICT statement GS. */
4781 static inline enum br_predictor
4782 gimple_predict_predictor (gimple gs)
4784 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4785 return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN);
4789 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */
4792 gimple_predict_set_predictor (gimple gs, enum br_predictor predictor)
4794 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4795 gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN)
4796 | (unsigned) predictor;
4800 /* Return the outcome of GIMPLE_PREDICT statement GS. */
4802 static inline enum prediction
4803 gimple_predict_outcome (gimple gs)
4805 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4806 return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN;
4810 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */
4813 gimple_predict_set_outcome (gimple gs, enum prediction outcome)
4815 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4816 if (outcome == TAKEN)
4817 gs->gsbase.subcode |= GF_PREDICT_TAKEN;
4819 gs->gsbase.subcode &= ~GF_PREDICT_TAKEN;
4823 /* Return the type of the main expression computed by STMT. Return
4824 void_type_node if the statement computes nothing. */
4827 gimple_expr_type (const_gimple stmt)
4829 enum gimple_code code = gimple_code (stmt);
4831 if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL)
4834 /* In general we want to pass out a type that can be substituted
4835 for both the RHS and the LHS types if there is a possibly
4836 useless conversion involved. That means returning the
4837 original RHS type as far as we can reconstruct it. */
4838 if (code == GIMPLE_CALL)
4839 type = gimple_call_return_type (stmt);
4841 switch (gimple_assign_rhs_code (stmt))
4843 case POINTER_PLUS_EXPR:
4844 type = TREE_TYPE (gimple_assign_rhs1 (stmt));
4848 /* As fallback use the type of the LHS. */
4849 type = TREE_TYPE (gimple_get_lhs (stmt));
4854 else if (code == GIMPLE_COND)
4855 return boolean_type_node;
4857 return void_type_node;
4861 /* Return a new iterator pointing to GIMPLE_SEQ's first statement. */
4863 static inline gimple_stmt_iterator
4864 gsi_start (gimple_seq seq)
4866 gimple_stmt_iterator i;
4868 i.ptr = gimple_seq_first (seq);
4870 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4876 /* Return a new iterator pointing to the first statement in basic block BB. */
4878 static inline gimple_stmt_iterator
4879 gsi_start_bb (basic_block bb)
4881 gimple_stmt_iterator i;
4885 i.ptr = gimple_seq_first (seq);
4893 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */
4895 static inline gimple_stmt_iterator
4896 gsi_last (gimple_seq seq)
4898 gimple_stmt_iterator i;
4900 i.ptr = gimple_seq_last (seq);
4902 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4908 /* Return a new iterator pointing to the last statement in basic block BB. */
4910 static inline gimple_stmt_iterator
4911 gsi_last_bb (basic_block bb)
4913 gimple_stmt_iterator i;
4917 i.ptr = gimple_seq_last (seq);
4925 /* Return true if I is at the end of its sequence. */
4928 gsi_end_p (gimple_stmt_iterator i)
4930 return i.ptr == NULL;
4934 /* Return true if I is one statement before the end of its sequence. */
4937 gsi_one_before_end_p (gimple_stmt_iterator i)
4939 return i.ptr != NULL && i.ptr->next == NULL;
4943 /* Advance the iterator to the next gimple statement. */
4946 gsi_next (gimple_stmt_iterator *i)
4948 i->ptr = i->ptr->next;
4951 /* Advance the iterator to the previous gimple statement. */
4954 gsi_prev (gimple_stmt_iterator *i)
4956 i->ptr = i->ptr->prev;
4959 /* Return the current stmt. */
4961 static inline gimple
4962 gsi_stmt (gimple_stmt_iterator i)
4967 /* Return a block statement iterator that points to the first non-label
4968 statement in block BB. */
4970 static inline gimple_stmt_iterator
4971 gsi_after_labels (basic_block bb)
4973 gimple_stmt_iterator gsi = gsi_start_bb (bb);
4975 while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL)
4981 /* Advance the iterator to the next non-debug gimple statement. */
4984 gsi_next_nondebug (gimple_stmt_iterator *i)
4990 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4993 /* Advance the iterator to the next non-debug gimple statement. */
4996 gsi_prev_nondebug (gimple_stmt_iterator *i)
5002 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
5005 /* Return a new iterator pointing to the first non-debug statement in
5008 static inline gimple_stmt_iterator
5009 gsi_start_nondebug_bb (basic_block bb)
5011 gimple_stmt_iterator i = gsi_start_bb (bb);
5013 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
5014 gsi_next_nondebug (&i);
5019 /* Return a new iterator pointing to the last non-debug statement in
5022 static inline gimple_stmt_iterator
5023 gsi_last_nondebug_bb (basic_block bb)
5025 gimple_stmt_iterator i = gsi_last_bb (bb);
5027 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
5028 gsi_prev_nondebug (&i);
5033 /* Return a pointer to the current stmt.
5035 NOTE: You may want to use gsi_replace on the iterator itself,
5036 as this performs additional bookkeeping that will not be done
5037 if you simply assign through a pointer returned by gsi_stmt_ptr. */
5039 static inline gimple *
5040 gsi_stmt_ptr (gimple_stmt_iterator *i)
5042 return &i->ptr->stmt;
5046 /* Return the basic block associated with this iterator. */
5048 static inline basic_block
5049 gsi_bb (gimple_stmt_iterator i)
5055 /* Return the sequence associated with this iterator. */
5057 static inline gimple_seq
5058 gsi_seq (gimple_stmt_iterator i)
5064 enum gsi_iterator_update
5066 GSI_NEW_STMT, /* Only valid when single statement is added, move
5068 GSI_SAME_STMT, /* Leave the iterator at the same statement. */
5069 GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable
5070 for linking other statements in the same
5074 /* In gimple-iterator.c */
5075 gimple_stmt_iterator gsi_start_phis (basic_block);
5076 gimple_seq gsi_split_seq_after (gimple_stmt_iterator);
5077 gimple_seq gsi_split_seq_before (gimple_stmt_iterator *);
5078 void gsi_replace (gimple_stmt_iterator *, gimple, bool);
5079 void gsi_insert_before (gimple_stmt_iterator *, gimple,
5080 enum gsi_iterator_update);
5081 void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple,
5082 enum gsi_iterator_update);
5083 void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq,
5084 enum gsi_iterator_update);
5085 void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq,
5086 enum gsi_iterator_update);
5087 void gsi_insert_after (gimple_stmt_iterator *, gimple,
5088 enum gsi_iterator_update);
5089 void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple,
5090 enum gsi_iterator_update);
5091 void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq,
5092 enum gsi_iterator_update);
5093 void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq,
5094 enum gsi_iterator_update);
5095 void gsi_remove (gimple_stmt_iterator *, bool);
5096 gimple_stmt_iterator gsi_for_stmt (gimple);
5097 void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *);
5098 void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *);
5099 void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *);
5100 void gsi_insert_on_edge (edge, gimple);
5101 void gsi_insert_seq_on_edge (edge, gimple_seq);
5102 basic_block gsi_insert_on_edge_immediate (edge, gimple);
5103 basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq);
5104 void gsi_commit_one_edge_insert (edge, basic_block *);
5105 void gsi_commit_edge_inserts (void);
5106 gimple gimple_call_copy_skip_args (gimple, bitmap);
5109 /* Convenience routines to walk all statements of a gimple function.
5110 Note that this is useful exclusively before the code is converted
5111 into SSA form. Once the program is in SSA form, the standard
5112 operand interface should be used to analyze/modify statements. */
5113 struct walk_stmt_info
5115 /* Points to the current statement being walked. */
5116 gimple_stmt_iterator gsi;
5118 /* Additional data that the callback functions may want to carry
5119 through the recursion. */
5122 /* Pointer map used to mark visited tree nodes when calling
5123 walk_tree on each operand. If set to NULL, duplicate tree nodes
5124 will be visited more than once. */
5125 struct pointer_set_t *pset;
5127 /* Operand returned by the callbacks. This is set when calling
5128 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback
5129 returns non-NULL, this field will contain the tree returned by
5130 the last callback. */
5131 tree callback_result;
5133 /* Indicates whether the operand being examined may be replaced
5134 with something that matches is_gimple_val (if true) or something
5135 slightly more complicated (if false). "Something" technically
5136 means the common subset of is_gimple_lvalue and is_gimple_rhs,
5137 but we never try to form anything more complicated than that, so
5138 we don't bother checking.
5140 Also note that CALLBACK should update this flag while walking the
5141 sub-expressions of a statement. For instance, when walking the
5142 statement 'foo (&var)', the flag VAL_ONLY will initially be set
5143 to true, however, when walking &var, the operand of that
5144 ADDR_EXPR does not need to be a GIMPLE value. */
5145 BOOL_BITFIELD val_only : 1;
5147 /* True if we are currently walking the LHS of an assignment. */
5148 BOOL_BITFIELD is_lhs : 1;
5150 /* Optional. Set to true by the callback functions if they made any
5152 BOOL_BITFIELD changed : 1;
5154 /* True if we're interested in location information. */
5155 BOOL_BITFIELD want_locations : 1;
5157 /* True if we've removed the statement that was processed. */
5158 BOOL_BITFIELD removed_stmt : 1;
5161 /* Callback for walk_gimple_stmt. Called for every statement found
5162 during traversal. The first argument points to the statement to
5163 walk. The second argument is a flag that the callback sets to
5164 'true' if it the callback handled all the operands and
5165 sub-statements of the statement (the default value of this flag is
5166 'false'). The third argument is an anonymous pointer to data
5167 to be used by the callback. */
5168 typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *,
5169 struct walk_stmt_info *);
5171 gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn,
5172 struct walk_stmt_info *);
5173 tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn,
5174 struct walk_stmt_info *);
5175 tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *);
5177 #ifdef GATHER_STATISTICS
5178 /* Enum and arrays used for allocation stats. Keep in sync with
5179 gimple.c:gimple_alloc_kind_names. */
5180 enum gimple_alloc_kind
5182 gimple_alloc_kind_assign, /* Assignments. */
5183 gimple_alloc_kind_phi, /* PHI nodes. */
5184 gimple_alloc_kind_cond, /* Conditionals. */
5185 gimple_alloc_kind_seq, /* Sequences. */
5186 gimple_alloc_kind_rest, /* Everything else. */
5187 gimple_alloc_kind_all
5190 extern int gimple_alloc_counts[];
5191 extern int gimple_alloc_sizes[];
5193 /* Return the allocation kind for a given stmt CODE. */
5194 static inline enum gimple_alloc_kind
5195 gimple_alloc_kind (enum gimple_code code)
5200 return gimple_alloc_kind_assign;
5202 return gimple_alloc_kind_phi;
5204 return gimple_alloc_kind_cond;
5206 return gimple_alloc_kind_rest;
5209 #endif /* GATHER_STATISTICS */
5211 extern void dump_gimple_statistics (void);
5213 /* In gimple-fold.c. */
5214 void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree);
5215 tree gimple_fold_builtin (gimple);
5216 bool fold_stmt (gimple_stmt_iterator *);
5217 bool fold_stmt_inplace (gimple_stmt_iterator *);
5218 tree get_symbol_constant_value (tree);
5219 tree canonicalize_constructor_val (tree);
5220 extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree,
5221 enum tree_code, tree, tree);
5222 extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree,
5223 enum tree_code, tree, tree);
5225 bool gimple_val_nonnegative_real_p (tree);
5226 #endif /* GCC_GIMPLE_H */