1 /* Gimple IR definitions.
3 Copyright 2007, 2008, 2009, 2010, 2011, 2012 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_FROM_THUNK = 1 << 0,
101 GF_CALL_RETURN_SLOT_OPT = 1 << 1,
102 GF_CALL_TAILCALL = 1 << 2,
103 GF_CALL_VA_ARG_PACK = 1 << 3,
104 GF_CALL_NOTHROW = 1 << 4,
105 GF_CALL_ALLOCA_FOR_VAR = 1 << 5,
106 GF_CALL_INTERNAL = 1 << 6,
107 GF_OMP_PARALLEL_COMBINED = 1 << 0,
109 /* True on an GIMPLE_OMP_RETURN statement if the return does not require
110 a thread synchronization via some sort of barrier. The exact barrier
111 that would otherwise be emitted is dependent on the OMP statement with
112 which this return is associated. */
113 GF_OMP_RETURN_NOWAIT = 1 << 0,
115 GF_OMP_SECTION_LAST = 1 << 0,
116 GF_OMP_ATOMIC_NEED_VALUE = 1 << 0,
117 GF_PREDICT_TAKEN = 1 << 15
120 /* Currently, there are only two types of gimple debug stmt. Others are
121 envisioned, for example, to enable the generation of is_stmt notes
122 in line number information, to mark sequence points, etc. This
123 subcode is to be used to tell them apart. */
124 enum gimple_debug_subcode {
125 GIMPLE_DEBUG_BIND = 0,
126 GIMPLE_DEBUG_SOURCE_BIND = 1
129 /* Masks for selecting a pass local flag (PLF) to work on. These
130 masks are used by gimple_set_plf and gimple_plf. */
136 /* A node in a gimple_seq_d. */
137 struct GTY((chain_next ("%h.next"), chain_prev ("%h.prev"))) gimple_seq_node_d {
139 struct gimple_seq_node_d *prev;
140 struct gimple_seq_node_d *next;
143 /* A double-linked sequence of gimple statements. */
144 struct GTY ((chain_next ("%h.next_free"))) gimple_seq_d {
145 /* First and last statements in the sequence. */
146 gimple_seq_node first;
147 gimple_seq_node last;
149 /* Sequences are created/destroyed frequently. To minimize
150 allocation activity, deallocated sequences are kept in a pool of
151 available sequences. This is the pointer to the next free
152 sequence in the pool. */
153 gimple_seq next_free;
157 /* Return the first node in GIMPLE sequence S. */
159 static inline gimple_seq_node
160 gimple_seq_first (const_gimple_seq s)
162 return s ? s->first : NULL;
166 /* Return the first statement in GIMPLE sequence S. */
169 gimple_seq_first_stmt (const_gimple_seq s)
171 gimple_seq_node n = gimple_seq_first (s);
172 return (n) ? n->stmt : NULL;
176 /* Return the last node in GIMPLE sequence S. */
178 static inline gimple_seq_node
179 gimple_seq_last (const_gimple_seq s)
181 return s ? s->last : NULL;
185 /* Return the last statement in GIMPLE sequence S. */
188 gimple_seq_last_stmt (const_gimple_seq s)
190 gimple_seq_node n = gimple_seq_last (s);
191 return (n) ? n->stmt : NULL;
195 /* Set the last node in GIMPLE sequence S to LAST. */
198 gimple_seq_set_last (gimple_seq s, gimple_seq_node last)
204 /* Set the first node in GIMPLE sequence S to FIRST. */
207 gimple_seq_set_first (gimple_seq s, gimple_seq_node first)
213 /* Return true if GIMPLE sequence S is empty. */
216 gimple_seq_empty_p (const_gimple_seq s)
218 return s == NULL || s->first == NULL;
222 void gimple_seq_add_stmt (gimple_seq *, gimple);
224 /* Link gimple statement GS to the end of the sequence *SEQ_P. If
225 *SEQ_P is NULL, a new sequence is allocated. This function is
226 similar to gimple_seq_add_stmt, but does not scan the operands.
227 During gimplification, we need to manipulate statement sequences
228 before the def/use vectors have been constructed. */
229 void gimple_seq_add_stmt_without_update (gimple_seq *, gimple);
231 /* Allocate a new sequence and initialize its first element with STMT. */
233 static inline gimple_seq
234 gimple_seq_alloc_with_stmt (gimple stmt)
236 gimple_seq seq = NULL;
237 gimple_seq_add_stmt (&seq, stmt);
242 /* Returns the sequence of statements in BB. */
244 static inline gimple_seq
245 bb_seq (const_basic_block bb)
247 return (!(bb->flags & BB_RTL) && bb->il.gimple) ? bb->il.gimple->seq : NULL;
251 /* Sets the sequence of statements in BB to SEQ. */
254 set_bb_seq (basic_block bb, gimple_seq seq)
256 gcc_checking_assert (!(bb->flags & BB_RTL));
257 bb->il.gimple->seq = seq;
260 /* Iterator object for GIMPLE statement sequences. */
264 /* Sequence node holding the current statement. */
267 /* Sequence and basic block holding the statement. These fields
268 are necessary to handle edge cases such as when statement is
269 added to an empty basic block or when the last statement of a
270 block/sequence is removed. */
273 } gimple_stmt_iterator;
276 /* Data structure definitions for GIMPLE tuples. NOTE: word markers
277 are for 64 bit hosts. */
279 struct GTY(()) gimple_statement_base {
281 Main identifying code for a tuple. */
282 ENUM_BITFIELD(gimple_code) code : 8;
284 /* Nonzero if a warning should not be emitted on this tuple. */
285 unsigned int no_warning : 1;
287 /* Nonzero if this tuple has been visited. Passes are responsible
288 for clearing this bit before using it. */
289 unsigned int visited : 1;
291 /* Nonzero if this tuple represents a non-temporal move. */
292 unsigned int nontemporal_move : 1;
294 /* Pass local flags. These flags are free for any pass to use as
295 they see fit. Passes should not assume that these flags contain
296 any useful value when the pass starts. Any initial state that
297 the pass requires should be set on entry to the pass. See
298 gimple_set_plf and gimple_plf for usage. */
299 unsigned int plf : 2;
301 /* Nonzero if this statement has been modified and needs to have its
302 operands rescanned. */
303 unsigned modified : 1;
305 /* Nonzero if this statement contains volatile operands. */
306 unsigned has_volatile_ops : 1;
308 /* The SUBCODE field can be used for tuple-specific flags for tuples
309 that do not require subcodes. Note that SUBCODE should be at
310 least as wide as tree codes, as several tuples store tree codes
312 unsigned int subcode : 16;
314 /* UID of this statement. This is used by passes that want to
315 assign IDs to statements. It must be assigned and used by each
316 pass. By default it should be assumed to contain garbage. */
320 Locus information for debug info. */
323 /* Number of operands in this tuple. */
327 Basic block holding this statement. */
328 struct basic_block_def *bb;
331 Lexical block holding this statement. */
336 /* Base structure for tuples with operands. */
338 struct GTY(()) gimple_statement_with_ops_base
341 struct gimple_statement_base gsbase;
344 SSA operand vectors. NOTE: It should be possible to
345 amalgamate these vectors with the operand vector OP. However,
346 the SSA operand vectors are organized differently and contain
347 more information (like immediate use chaining). */
348 struct def_optype_d GTY((skip (""))) *def_ops;
349 struct use_optype_d GTY((skip (""))) *use_ops;
353 /* Statements that take register operands. */
355 struct GTY(()) gimple_statement_with_ops
358 struct gimple_statement_with_ops_base opbase;
361 Operand vector. NOTE! This must always be the last field
362 of this structure. In particular, this means that this
363 structure cannot be embedded inside another one. */
364 tree GTY((length ("%h.opbase.gsbase.num_ops"))) op[1];
368 /* Base for statements that take both memory and register operands. */
370 struct GTY(()) gimple_statement_with_memory_ops_base
373 struct gimple_statement_with_ops_base opbase;
376 Virtual operands for this statement. The GC will pick them
377 up via the ssa_names array. */
378 tree GTY((skip (""))) vdef;
379 tree GTY((skip (""))) vuse;
383 /* Statements that take both memory and register operands. */
385 struct GTY(()) gimple_statement_with_memory_ops
388 struct gimple_statement_with_memory_ops_base membase;
391 Operand vector. NOTE! This must always be the last field
392 of this structure. In particular, this means that this
393 structure cannot be embedded inside another one. */
394 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
398 /* Call statements that take both memory and register operands. */
400 struct GTY(()) gimple_statement_call
403 struct gimple_statement_with_memory_ops_base membase;
406 struct pt_solution call_used;
407 struct pt_solution call_clobbered;
410 union GTY ((desc ("%1.membase.opbase.gsbase.subcode & GF_CALL_INTERNAL"))) {
411 tree GTY ((tag ("0"))) fntype;
412 enum internal_fn GTY ((tag ("GF_CALL_INTERNAL"))) internal_fn;
416 Operand vector. NOTE! This must always be the last field
417 of this structure. In particular, this means that this
418 structure cannot be embedded inside another one. */
419 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
423 /* OpenMP statements (#pragma omp). */
425 struct GTY(()) gimple_statement_omp {
427 struct gimple_statement_base gsbase;
436 struct GTY(()) gimple_statement_bind {
438 struct gimple_statement_base gsbase;
441 Variables declared in this scope. */
445 This is different than the BLOCK field in gimple_statement_base,
446 which is analogous to TREE_BLOCK (i.e., the lexical block holding
447 this statement). This field is the equivalent of BIND_EXPR_BLOCK
448 in tree land (i.e., the lexical scope defined by this bind). See
459 struct GTY(()) gimple_statement_catch {
461 struct gimple_statement_base gsbase;
471 /* GIMPLE_EH_FILTER */
473 struct GTY(()) gimple_statement_eh_filter {
475 struct gimple_statement_base gsbase;
488 struct GTY(()) gimple_statement_eh_else {
490 struct gimple_statement_base gsbase;
493 gimple_seq n_body, e_body;
496 /* GIMPLE_EH_MUST_NOT_THROW */
498 struct GTY(()) gimple_statement_eh_mnt {
500 struct gimple_statement_base gsbase;
502 /* [ WORD 5 ] Abort function decl. */
508 struct GTY(()) gimple_statement_phi {
510 struct gimple_statement_base gsbase;
520 struct phi_arg_d GTY ((length ("%h.nargs"))) args[1];
524 /* GIMPLE_RESX, GIMPLE_EH_DISPATCH */
526 struct GTY(()) gimple_statement_eh_ctrl
529 struct gimple_statement_base gsbase;
532 Exception region number. */
539 struct GTY(()) gimple_statement_try {
541 struct gimple_statement_base gsbase;
544 Expression to evaluate. */
548 Cleanup expression. */
552 /* Kind of GIMPLE_TRY statements. */
553 enum gimple_try_flags
556 GIMPLE_TRY_CATCH = 1 << 0,
559 GIMPLE_TRY_FINALLY = 1 << 1,
560 GIMPLE_TRY_KIND = GIMPLE_TRY_CATCH | GIMPLE_TRY_FINALLY,
562 /* Analogous to TRY_CATCH_IS_CLEANUP. */
563 GIMPLE_TRY_CATCH_IS_CLEANUP = 1 << 2
566 /* GIMPLE_WITH_CLEANUP_EXPR */
568 struct GTY(()) gimple_statement_wce {
570 struct gimple_statement_base gsbase;
572 /* Subcode: CLEANUP_EH_ONLY. True if the cleanup should only be
573 executed if an exception is thrown, not on normal exit of its
574 scope. This flag is analogous to the CLEANUP_EH_ONLY flag
578 Cleanup expression. */
585 struct GTY(()) gimple_statement_asm
588 struct gimple_statement_with_memory_ops_base membase;
591 __asm__ statement. */
595 Number of inputs, outputs, clobbers, labels. */
602 Operand vector. NOTE! This must always be the last field
603 of this structure. In particular, this means that this
604 structure cannot be embedded inside another one. */
605 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
608 /* GIMPLE_OMP_CRITICAL */
610 struct GTY(()) gimple_statement_omp_critical {
612 struct gimple_statement_omp omp;
615 Critical section name. */
620 struct GTY(()) gimple_omp_for_iter {
621 /* Condition code. */
624 /* Index variable. */
639 struct GTY(()) gimple_statement_omp_for {
641 struct gimple_statement_omp omp;
647 Number of elements in iter array. */
651 struct gimple_omp_for_iter * GTY((length ("%h.collapse"))) iter;
654 Pre-body evaluated before the loop body begins. */
659 /* GIMPLE_OMP_PARALLEL */
661 struct GTY(()) gimple_statement_omp_parallel {
663 struct gimple_statement_omp omp;
670 Child function holding the body of the parallel region. */
674 Shared data argument. */
679 /* GIMPLE_OMP_TASK */
681 struct GTY(()) gimple_statement_omp_task {
683 struct gimple_statement_omp_parallel par;
686 Child function holding firstprivate initialization if needed. */
690 Size and alignment in bytes of the argument data block. */
696 /* GIMPLE_OMP_SECTION */
697 /* Uses struct gimple_statement_omp. */
700 /* GIMPLE_OMP_SECTIONS */
702 struct GTY(()) gimple_statement_omp_sections {
704 struct gimple_statement_omp omp;
710 The control variable used for deciding which of the sections to
715 /* GIMPLE_OMP_CONTINUE.
717 Note: This does not inherit from gimple_statement_omp, because we
718 do not need the body field. */
720 struct GTY(()) gimple_statement_omp_continue {
722 struct gimple_statement_base gsbase;
731 /* GIMPLE_OMP_SINGLE */
733 struct GTY(()) gimple_statement_omp_single {
735 struct gimple_statement_omp omp;
742 /* GIMPLE_OMP_ATOMIC_LOAD.
743 Note: This is based on gimple_statement_base, not g_s_omp, because g_s_omp
744 contains a sequence, which we don't need here. */
746 struct GTY(()) gimple_statement_omp_atomic_load {
748 struct gimple_statement_base gsbase;
754 /* GIMPLE_OMP_ATOMIC_STORE.
755 See note on GIMPLE_OMP_ATOMIC_LOAD. */
757 struct GTY(()) gimple_statement_omp_atomic_store {
759 struct gimple_statement_base gsbase;
765 /* GIMPLE_TRANSACTION. */
767 /* Bits to be stored in the GIMPLE_TRANSACTION subcode. */
769 /* The __transaction_atomic was declared [[outer]] or it is
770 __transaction_relaxed. */
771 #define GTMA_IS_OUTER (1u << 0)
772 #define GTMA_IS_RELAXED (1u << 1)
773 #define GTMA_DECLARATION_MASK (GTMA_IS_OUTER | GTMA_IS_RELAXED)
775 /* The transaction is seen to not have an abort. */
776 #define GTMA_HAVE_ABORT (1u << 2)
777 /* The transaction is seen to have loads or stores. */
778 #define GTMA_HAVE_LOAD (1u << 3)
779 #define GTMA_HAVE_STORE (1u << 4)
780 /* The transaction MAY enter serial irrevocable mode in its dynamic scope. */
781 #define GTMA_MAY_ENTER_IRREVOCABLE (1u << 5)
782 /* The transaction WILL enter serial irrevocable mode.
783 An irrevocable block post-dominates the entire transaction, such
784 that all invocations of the transaction will go serial-irrevocable.
785 In such case, we don't bother instrumenting the transaction, and
786 tell the runtime that it should begin the transaction in
787 serial-irrevocable mode. */
788 #define GTMA_DOES_GO_IRREVOCABLE (1u << 6)
790 struct GTY(()) gimple_statement_transaction
793 struct gimple_statement_with_memory_ops_base gsbase;
802 #define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) SYM,
803 enum gimple_statement_structure_enum {
804 #include "gsstruct.def"
810 /* Define the overall contents of a gimple tuple. It may be any of the
811 structures declared above for various types of tuples. */
813 union GTY ((desc ("gimple_statement_structure (&%h)"), variable_size)) gimple_statement_d {
814 struct gimple_statement_base GTY ((tag ("GSS_BASE"))) gsbase;
815 struct gimple_statement_with_ops GTY ((tag ("GSS_WITH_OPS"))) gsops;
816 struct gimple_statement_with_memory_ops_base GTY ((tag ("GSS_WITH_MEM_OPS_BASE"))) gsmembase;
817 struct gimple_statement_with_memory_ops GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem;
818 struct gimple_statement_call GTY ((tag ("GSS_CALL"))) gimple_call;
819 struct gimple_statement_omp GTY ((tag ("GSS_OMP"))) omp;
820 struct gimple_statement_bind GTY ((tag ("GSS_BIND"))) gimple_bind;
821 struct gimple_statement_catch GTY ((tag ("GSS_CATCH"))) gimple_catch;
822 struct gimple_statement_eh_filter GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter;
823 struct gimple_statement_eh_mnt GTY ((tag ("GSS_EH_MNT"))) gimple_eh_mnt;
824 struct gimple_statement_eh_else GTY ((tag ("GSS_EH_ELSE"))) gimple_eh_else;
825 struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi;
826 struct gimple_statement_eh_ctrl GTY ((tag ("GSS_EH_CTRL"))) gimple_eh_ctrl;
827 struct gimple_statement_try GTY ((tag ("GSS_TRY"))) gimple_try;
828 struct gimple_statement_wce GTY ((tag ("GSS_WCE"))) gimple_wce;
829 struct gimple_statement_asm GTY ((tag ("GSS_ASM"))) gimple_asm;
830 struct gimple_statement_omp_critical GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical;
831 struct gimple_statement_omp_for GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for;
832 struct gimple_statement_omp_parallel GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel;
833 struct gimple_statement_omp_task GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task;
834 struct gimple_statement_omp_sections GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections;
835 struct gimple_statement_omp_single GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single;
836 struct gimple_statement_omp_continue GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue;
837 struct gimple_statement_omp_atomic_load GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load;
838 struct gimple_statement_omp_atomic_store GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store;
839 struct gimple_statement_transaction GTY((tag ("GSS_TRANSACTION"))) gimple_transaction;
844 /* Offset in bytes to the location of the operand vector.
845 Zero if there is no operand vector for this tuple structure. */
846 extern size_t const gimple_ops_offset_[];
848 /* Map GIMPLE codes to GSS codes. */
849 extern enum gimple_statement_structure_enum const gss_for_code_[];
851 /* This variable holds the currently expanded gimple statement for purposes
852 of comminucating the profile info to the builtin expanders. */
853 extern gimple currently_expanding_gimple_stmt;
855 gimple gimple_build_return (tree);
857 gimple gimple_build_assign_stat (tree, tree MEM_STAT_DECL);
858 #define gimple_build_assign(l,r) gimple_build_assign_stat (l, r MEM_STAT_INFO)
860 void extract_ops_from_tree_1 (tree, enum tree_code *, tree *, tree *, tree *);
862 gimple gimple_build_assign_with_ops_stat (enum tree_code, tree, tree,
863 tree, tree MEM_STAT_DECL);
864 #define gimple_build_assign_with_ops(c,o1,o2,o3) \
865 gimple_build_assign_with_ops_stat (c, o1, o2, o3, NULL_TREE MEM_STAT_INFO)
866 #define gimple_build_assign_with_ops3(c,o1,o2,o3,o4) \
867 gimple_build_assign_with_ops_stat (c, o1, o2, o3, o4 MEM_STAT_INFO)
869 gimple gimple_build_debug_bind_stat (tree, tree, gimple MEM_STAT_DECL);
870 #define gimple_build_debug_bind(var,val,stmt) \
871 gimple_build_debug_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
872 gimple gimple_build_debug_source_bind_stat (tree, tree, gimple MEM_STAT_DECL);
873 #define gimple_build_debug_source_bind(var,val,stmt) \
874 gimple_build_debug_source_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
876 gimple gimple_build_call_vec (tree, VEC(tree, heap) *);
877 gimple gimple_build_call (tree, unsigned, ...);
878 gimple gimple_build_call_valist (tree, unsigned, va_list);
879 gimple gimple_build_call_internal (enum internal_fn, unsigned, ...);
880 gimple gimple_build_call_internal_vec (enum internal_fn, VEC(tree, heap) *);
881 gimple gimple_build_call_from_tree (tree);
882 gimple gimplify_assign (tree, tree, gimple_seq *);
883 gimple gimple_build_cond (enum tree_code, tree, tree, tree, tree);
884 gimple gimple_build_label (tree label);
885 gimple gimple_build_goto (tree dest);
886 gimple gimple_build_nop (void);
887 gimple gimple_build_bind (tree, gimple_seq, tree);
888 gimple gimple_build_asm_vec (const char *, VEC(tree,gc) *, VEC(tree,gc) *,
889 VEC(tree,gc) *, VEC(tree,gc) *);
890 gimple gimple_build_catch (tree, gimple_seq);
891 gimple gimple_build_eh_filter (tree, gimple_seq);
892 gimple gimple_build_eh_must_not_throw (tree);
893 gimple gimple_build_eh_else (gimple_seq, gimple_seq);
894 gimple gimple_build_try (gimple_seq, gimple_seq, enum gimple_try_flags);
895 gimple gimple_build_wce (gimple_seq);
896 gimple gimple_build_resx (int);
897 gimple gimple_build_eh_dispatch (int);
898 gimple gimple_build_switch_nlabels (unsigned, tree, tree);
899 gimple gimple_build_switch (unsigned, tree, tree, ...);
900 gimple gimple_build_switch_vec (tree, tree, VEC(tree,heap) *);
901 gimple gimple_build_omp_parallel (gimple_seq, tree, tree, tree);
902 gimple gimple_build_omp_task (gimple_seq, tree, tree, tree, tree, tree, tree);
903 gimple gimple_build_omp_for (gimple_seq, tree, size_t, gimple_seq);
904 gimple gimple_build_omp_critical (gimple_seq, tree);
905 gimple gimple_build_omp_section (gimple_seq);
906 gimple gimple_build_omp_continue (tree, tree);
907 gimple gimple_build_omp_master (gimple_seq);
908 gimple gimple_build_omp_return (bool);
909 gimple gimple_build_omp_ordered (gimple_seq);
910 gimple gimple_build_omp_sections (gimple_seq, tree);
911 gimple gimple_build_omp_sections_switch (void);
912 gimple gimple_build_omp_single (gimple_seq, tree);
913 gimple gimple_build_cdt (tree, tree);
914 gimple gimple_build_omp_atomic_load (tree, tree);
915 gimple gimple_build_omp_atomic_store (tree);
916 gimple gimple_build_transaction (gimple_seq, tree);
917 gimple gimple_build_predict (enum br_predictor, enum prediction);
918 enum gimple_statement_structure_enum gss_for_assign (enum tree_code);
919 void sort_case_labels (VEC(tree,heap) *);
920 void gimple_set_body (tree, gimple_seq);
921 gimple_seq gimple_body (tree);
922 bool gimple_has_body_p (tree);
923 gimple_seq gimple_seq_alloc (void);
924 void gimple_seq_free (gimple_seq);
925 void gimple_seq_add_seq (gimple_seq *, gimple_seq);
926 gimple_seq gimple_seq_copy (gimple_seq);
927 bool gimple_call_same_target_p (const_gimple, const_gimple);
928 int gimple_call_flags (const_gimple);
929 int gimple_call_return_flags (const_gimple);
930 int gimple_call_arg_flags (const_gimple, unsigned);
931 void gimple_call_reset_alias_info (gimple);
932 bool gimple_assign_copy_p (gimple);
933 bool gimple_assign_ssa_name_copy_p (gimple);
934 bool gimple_assign_unary_nop_p (gimple);
935 void gimple_set_bb (gimple, struct basic_block_def *);
936 void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree);
937 void gimple_assign_set_rhs_with_ops_1 (gimple_stmt_iterator *, enum tree_code,
939 tree gimple_get_lhs (const_gimple);
940 void gimple_set_lhs (gimple, tree);
941 void gimple_replace_lhs (gimple, tree);
942 gimple gimple_copy (gimple);
943 void gimple_set_modified (gimple, bool);
944 void gimple_cond_get_ops_from_tree (tree, enum tree_code *, tree *, tree *);
945 gimple gimple_build_cond_from_tree (tree, tree, tree);
946 void gimple_cond_set_condition_from_tree (gimple, tree);
947 bool gimple_has_side_effects (const_gimple);
948 bool gimple_could_trap_p (gimple);
949 bool gimple_could_trap_p_1 (gimple, bool, bool);
950 bool gimple_assign_rhs_could_trap_p (gimple);
951 void gimple_regimplify_operands (gimple, gimple_stmt_iterator *);
952 bool empty_body_p (gimple_seq);
953 unsigned get_gimple_rhs_num_ops (enum tree_code);
954 #define gimple_alloc(c, n) gimple_alloc_stat (c, n MEM_STAT_INFO)
955 gimple gimple_alloc_stat (enum gimple_code, unsigned MEM_STAT_DECL);
956 const char *gimple_decl_printable_name (tree, int);
957 tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree);
958 void gimple_adjust_this_by_delta (gimple_stmt_iterator *, tree);
959 tree gimple_extract_devirt_binfo_from_cst (tree);
960 /* Returns true iff T is a valid GIMPLE statement. */
961 extern bool is_gimple_stmt (tree);
963 /* Returns true iff T is a scalar register variable. */
964 extern bool is_gimple_reg (tree);
965 /* Returns true iff T is any sort of variable. */
966 extern bool is_gimple_variable (tree);
967 /* Returns true iff T is any sort of symbol. */
968 extern bool is_gimple_id (tree);
969 /* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */
970 extern bool is_gimple_min_lval (tree);
971 /* Returns true iff T is something whose address can be taken. */
972 extern bool is_gimple_addressable (tree);
973 /* Returns true iff T is any valid GIMPLE lvalue. */
974 extern bool is_gimple_lvalue (tree);
976 /* Returns true iff T is a GIMPLE address. */
977 bool is_gimple_address (const_tree);
978 /* Returns true iff T is a GIMPLE invariant address. */
979 bool is_gimple_invariant_address (const_tree);
980 /* Returns true iff T is a GIMPLE invariant address at interprocedural
982 bool is_gimple_ip_invariant_address (const_tree);
983 /* Returns true iff T is a valid GIMPLE constant. */
984 bool is_gimple_constant (const_tree);
985 /* Returns true iff T is a GIMPLE restricted function invariant. */
986 extern bool is_gimple_min_invariant (const_tree);
987 /* Returns true iff T is a GIMPLE restricted interprecodural invariant. */
988 extern bool is_gimple_ip_invariant (const_tree);
989 /* Returns true iff T is a GIMPLE rvalue. */
990 extern bool is_gimple_val (tree);
991 /* Returns true iff T is a GIMPLE asm statement input. */
992 extern bool is_gimple_asm_val (tree);
993 /* Returns true iff T is a valid address operand of a MEM_REF. */
994 bool is_gimple_mem_ref_addr (tree);
995 /* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a
996 GIMPLE temporary, a renamed user variable, or something else,
998 extern bool is_gimple_reg_rhs (tree);
999 extern bool is_gimple_mem_rhs (tree);
1001 /* Returns true iff T is a valid if-statement condition. */
1002 extern bool is_gimple_condexpr (tree);
1004 /* Returns true iff T is a valid call address expression. */
1005 extern bool is_gimple_call_addr (tree);
1007 extern void recalculate_side_effects (tree);
1008 extern bool gimple_compare_field_offset (tree, tree);
1009 extern tree gimple_register_type (tree);
1010 extern tree gimple_register_canonical_type (tree);
1011 extern void print_gimple_types_stats (void);
1012 extern void free_gimple_type_tables (void);
1013 extern tree gimple_unsigned_type (tree);
1014 extern tree gimple_signed_type (tree);
1015 extern alias_set_type gimple_get_alias_set (tree);
1016 extern void count_uses_and_derefs (tree, gimple, unsigned *, unsigned *,
1018 extern bool walk_stmt_load_store_addr_ops (gimple, void *,
1019 bool (*)(gimple, tree, void *),
1020 bool (*)(gimple, tree, void *),
1021 bool (*)(gimple, tree, void *));
1022 extern bool walk_stmt_load_store_ops (gimple, void *,
1023 bool (*)(gimple, tree, void *),
1024 bool (*)(gimple, tree, void *));
1025 extern bool gimple_ior_addresses_taken (bitmap, gimple);
1026 extern bool gimple_call_builtin_p (gimple, enum built_in_function);
1027 extern bool gimple_asm_clobbers_memory_p (const_gimple);
1030 extern tree create_tmp_var_raw (tree, const char *);
1031 extern tree create_tmp_var_name (const char *);
1032 extern tree create_tmp_var (tree, const char *);
1033 extern tree create_tmp_reg (tree, const char *);
1034 extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *);
1035 extern tree get_formal_tmp_var (tree, gimple_seq *);
1036 extern void declare_vars (tree, gimple, bool);
1037 extern void annotate_all_with_location (gimple_seq, location_t);
1039 /* Validation of GIMPLE expressions. Note that these predicates only check
1040 the basic form of the expression, they don't recurse to make sure that
1041 underlying nodes are also of the right form. */
1042 typedef bool (*gimple_predicate)(tree);
1045 /* FIXME we should deduce this from the predicate. */
1047 fb_none = 0, /* Do not generate a temporary. */
1049 fb_rvalue = 1, /* Generate an rvalue to hold the result of a
1050 gimplified expression. */
1052 fb_lvalue = 2, /* Generate an lvalue to hold the result of a
1053 gimplified expression. */
1055 fb_mayfail = 4, /* Gimplification may fail. Error issued
1057 fb_either= fb_rvalue | fb_lvalue
1060 typedef int fallback_t;
1062 enum gimplify_status {
1063 GS_ERROR = -2, /* Something Bad Seen. */
1064 GS_UNHANDLED = -1, /* A langhook result for "I dunno". */
1065 GS_OK = 0, /* We did something, maybe more to do. */
1066 GS_ALL_DONE = 1 /* The expression is fully gimplified. */
1071 struct gimplify_ctx *prev_context;
1073 VEC(gimple,heap) *bind_expr_stack;
1075 gimple_seq conditional_cleanups;
1079 VEC(tree,heap) *case_labels;
1080 /* The formal temporary table. Should this be persistent? */
1086 bool allow_rhs_cond_expr;
1087 bool in_cleanup_point_expr;
1090 /* Return true if gimplify_one_sizepos doesn't need to gimplify
1091 expr (when in TYPE_SIZE{,_UNIT} and similar type/decl size/bitsize
1094 is_gimple_sizepos (tree expr)
1096 /* gimplify_one_sizepos doesn't need to do anything if the value isn't there,
1097 is constant, or contains A PLACEHOLDER_EXPR. We also don't want to do
1098 anything if it's already a VAR_DECL. If it's a VAR_DECL from another
1099 function, the gimplifier will want to replace it with a new variable,
1100 but that will cause problems if this type is from outside the function.
1101 It's OK to have that here. */
1102 return (expr == NULL_TREE
1103 || TREE_CONSTANT (expr)
1104 || TREE_CODE (expr) == VAR_DECL
1105 || CONTAINS_PLACEHOLDER_P (expr));
1108 extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *,
1109 bool (*) (tree), fallback_t);
1110 extern void gimplify_type_sizes (tree, gimple_seq *);
1111 extern void gimplify_one_sizepos (tree *, gimple_seq *);
1112 extern bool gimplify_stmt (tree *, gimple_seq *);
1113 extern gimple gimplify_body (tree, bool);
1114 extern void push_gimplify_context (struct gimplify_ctx *);
1115 extern void pop_gimplify_context (gimple);
1116 extern void gimplify_and_add (tree, gimple_seq *);
1118 /* Miscellaneous helpers. */
1119 extern void gimple_add_tmp_var (tree);
1120 extern gimple gimple_current_bind_expr (void);
1121 extern VEC(gimple, heap) *gimple_bind_expr_stack (void);
1122 extern tree voidify_wrapper_expr (tree, tree);
1123 extern tree build_and_jump (tree *);
1124 extern tree force_labels_r (tree *, int *, void *);
1125 extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *,
1127 struct gimplify_omp_ctx;
1128 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree);
1129 extern tree gimple_boolify (tree);
1130 extern gimple_predicate rhs_predicate_for (tree);
1131 extern tree canonicalize_cond_expr_cond (tree);
1134 extern tree omp_reduction_init (tree, tree);
1136 /* In trans-mem.c. */
1137 extern void diagnose_tm_safe_errors (tree);
1138 extern void compute_transaction_bits (void);
1140 /* In tree-nested.c. */
1141 extern void lower_nested_functions (tree);
1142 extern void insert_field_into_struct (tree, tree);
1144 /* In gimplify.c. */
1145 extern void gimplify_function_tree (tree);
1147 /* In cfgexpand.c. */
1148 extern tree gimple_assign_rhs_to_tree (gimple);
1151 extern bool validate_gimple_arglist (const_gimple, ...);
1154 extern bool tree_ssa_useless_type_conversion (tree);
1155 extern tree tree_ssa_strip_useless_type_conversions (tree);
1156 extern bool useless_type_conversion_p (tree, tree);
1157 extern bool types_compatible_p (tree, tree);
1159 /* Return the code for GIMPLE statement G. */
1161 static inline enum gimple_code
1162 gimple_code (const_gimple g)
1164 return g->gsbase.code;
1168 /* Return the GSS code used by a GIMPLE code. */
1170 static inline enum gimple_statement_structure_enum
1171 gss_for_code (enum gimple_code code)
1173 gcc_gimple_checking_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE);
1174 return gss_for_code_[code];
1178 /* Return which GSS code is used by GS. */
1180 static inline enum gimple_statement_structure_enum
1181 gimple_statement_structure (gimple gs)
1183 return gss_for_code (gimple_code (gs));
1187 /* Return true if statement G has sub-statements. This is only true for
1188 High GIMPLE statements. */
1191 gimple_has_substatements (gimple g)
1193 switch (gimple_code (g))
1197 case GIMPLE_EH_FILTER:
1198 case GIMPLE_EH_ELSE:
1200 case GIMPLE_OMP_FOR:
1201 case GIMPLE_OMP_MASTER:
1202 case GIMPLE_OMP_ORDERED:
1203 case GIMPLE_OMP_SECTION:
1204 case GIMPLE_OMP_PARALLEL:
1205 case GIMPLE_OMP_TASK:
1206 case GIMPLE_OMP_SECTIONS:
1207 case GIMPLE_OMP_SINGLE:
1208 case GIMPLE_OMP_CRITICAL:
1209 case GIMPLE_WITH_CLEANUP_EXPR:
1210 case GIMPLE_TRANSACTION:
1219 /* Return the basic block holding statement G. */
1221 static inline struct basic_block_def *
1222 gimple_bb (const_gimple g)
1224 return g->gsbase.bb;
1228 /* Return the lexical scope block holding statement G. */
1231 gimple_block (const_gimple g)
1233 return g->gsbase.block;
1237 /* Set BLOCK to be the lexical scope block holding statement G. */
1240 gimple_set_block (gimple g, tree block)
1242 g->gsbase.block = block;
1246 /* Return location information for statement G. */
1248 static inline location_t
1249 gimple_location (const_gimple g)
1251 return g->gsbase.location;
1254 /* Return pointer to location information for statement G. */
1256 static inline const location_t *
1257 gimple_location_ptr (const_gimple g)
1259 return &g->gsbase.location;
1263 /* Set location information for statement G. */
1266 gimple_set_location (gimple g, location_t location)
1268 g->gsbase.location = location;
1272 /* Return true if G contains location information. */
1275 gimple_has_location (const_gimple g)
1277 return gimple_location (g) != UNKNOWN_LOCATION;
1281 /* Return the file name of the location of STMT. */
1283 static inline const char *
1284 gimple_filename (const_gimple stmt)
1286 return LOCATION_FILE (gimple_location (stmt));
1290 /* Return the line number of the location of STMT. */
1293 gimple_lineno (const_gimple stmt)
1295 return LOCATION_LINE (gimple_location (stmt));
1299 /* Determine whether SEQ is a singleton. */
1302 gimple_seq_singleton_p (gimple_seq seq)
1304 return ((gimple_seq_first (seq) != NULL)
1305 && (gimple_seq_first (seq) == gimple_seq_last (seq)));
1308 /* Return true if no warnings should be emitted for statement STMT. */
1311 gimple_no_warning_p (const_gimple stmt)
1313 return stmt->gsbase.no_warning;
1316 /* Set the no_warning flag of STMT to NO_WARNING. */
1319 gimple_set_no_warning (gimple stmt, bool no_warning)
1321 stmt->gsbase.no_warning = (unsigned) no_warning;
1324 /* Set the visited status on statement STMT to VISITED_P. */
1327 gimple_set_visited (gimple stmt, bool visited_p)
1329 stmt->gsbase.visited = (unsigned) visited_p;
1333 /* Return the visited status for statement STMT. */
1336 gimple_visited_p (gimple stmt)
1338 return stmt->gsbase.visited;
1342 /* Set pass local flag PLF on statement STMT to VAL_P. */
1345 gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p)
1348 stmt->gsbase.plf |= (unsigned int) plf;
1350 stmt->gsbase.plf &= ~((unsigned int) plf);
1354 /* Return the value of pass local flag PLF on statement STMT. */
1356 static inline unsigned int
1357 gimple_plf (gimple stmt, enum plf_mask plf)
1359 return stmt->gsbase.plf & ((unsigned int) plf);
1363 /* Set the UID of statement. */
1366 gimple_set_uid (gimple g, unsigned uid)
1368 g->gsbase.uid = uid;
1372 /* Return the UID of statement. */
1374 static inline unsigned
1375 gimple_uid (const_gimple g)
1377 return g->gsbase.uid;
1381 /* Return true if GIMPLE statement G has register or memory operands. */
1384 gimple_has_ops (const_gimple g)
1386 return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN;
1390 /* Return true if GIMPLE statement G has memory operands. */
1393 gimple_has_mem_ops (const_gimple g)
1395 return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN;
1399 /* Return the set of DEF operands for statement G. */
1401 static inline struct def_optype_d *
1402 gimple_def_ops (const_gimple g)
1404 if (!gimple_has_ops (g))
1406 return g->gsops.opbase.def_ops;
1410 /* Set DEF to be the set of DEF operands for statement G. */
1413 gimple_set_def_ops (gimple g, struct def_optype_d *def)
1415 gcc_gimple_checking_assert (gimple_has_ops (g));
1416 g->gsops.opbase.def_ops = def;
1420 /* Return the set of USE operands for statement G. */
1422 static inline struct use_optype_d *
1423 gimple_use_ops (const_gimple g)
1425 if (!gimple_has_ops (g))
1427 return g->gsops.opbase.use_ops;
1431 /* Set USE to be the set of USE operands for statement G. */
1434 gimple_set_use_ops (gimple g, struct use_optype_d *use)
1436 gcc_gimple_checking_assert (gimple_has_ops (g));
1437 g->gsops.opbase.use_ops = use;
1441 /* Return the set of VUSE operand for statement G. */
1443 static inline use_operand_p
1444 gimple_vuse_op (const_gimple g)
1446 struct use_optype_d *ops;
1447 if (!gimple_has_mem_ops (g))
1448 return NULL_USE_OPERAND_P;
1449 ops = g->gsops.opbase.use_ops;
1451 && USE_OP_PTR (ops)->use == &g->gsmembase.vuse)
1452 return USE_OP_PTR (ops);
1453 return NULL_USE_OPERAND_P;
1456 /* Return the set of VDEF operand for statement G. */
1458 static inline def_operand_p
1459 gimple_vdef_op (const_gimple g)
1461 struct def_optype_d *ops;
1462 if (!gimple_has_mem_ops (g))
1463 return NULL_DEF_OPERAND_P;
1464 ops = g->gsops.opbase.def_ops;
1466 && DEF_OP_PTR (ops) == &g->gsmembase.vdef)
1467 return DEF_OP_PTR (ops);
1468 return NULL_DEF_OPERAND_P;
1472 /* Return the single VUSE operand of the statement G. */
1475 gimple_vuse (const_gimple g)
1477 if (!gimple_has_mem_ops (g))
1479 return g->gsmembase.vuse;
1482 /* Return the single VDEF operand of the statement G. */
1485 gimple_vdef (const_gimple g)
1487 if (!gimple_has_mem_ops (g))
1489 return g->gsmembase.vdef;
1492 /* Return the single VUSE operand of the statement G. */
1494 static inline tree *
1495 gimple_vuse_ptr (gimple g)
1497 if (!gimple_has_mem_ops (g))
1499 return &g->gsmembase.vuse;
1502 /* Return the single VDEF operand of the statement G. */
1504 static inline tree *
1505 gimple_vdef_ptr (gimple g)
1507 if (!gimple_has_mem_ops (g))
1509 return &g->gsmembase.vdef;
1512 /* Set the single VUSE operand of the statement G. */
1515 gimple_set_vuse (gimple g, tree vuse)
1517 gcc_gimple_checking_assert (gimple_has_mem_ops (g));
1518 g->gsmembase.vuse = vuse;
1521 /* Set the single VDEF operand of the statement G. */
1524 gimple_set_vdef (gimple g, tree vdef)
1526 gcc_gimple_checking_assert (gimple_has_mem_ops (g));
1527 g->gsmembase.vdef = vdef;
1531 /* Return true if statement G has operands and the modified field has
1535 gimple_modified_p (const_gimple g)
1537 return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false;
1541 /* Return the tree code for the expression computed by STMT. This is
1542 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For
1543 GIMPLE_CALL, return CALL_EXPR as the expression code for
1544 consistency. This is useful when the caller needs to deal with the
1545 three kinds of computation that GIMPLE supports. */
1547 static inline enum tree_code
1548 gimple_expr_code (const_gimple stmt)
1550 enum gimple_code code = gimple_code (stmt);
1551 if (code == GIMPLE_ASSIGN || code == GIMPLE_COND)
1552 return (enum tree_code) stmt->gsbase.subcode;
1555 gcc_gimple_checking_assert (code == GIMPLE_CALL);
1561 /* Mark statement S as modified, and update it. */
1564 update_stmt (gimple s)
1566 if (gimple_has_ops (s))
1568 gimple_set_modified (s, true);
1569 update_stmt_operands (s);
1573 /* Update statement S if it has been optimized. */
1576 update_stmt_if_modified (gimple s)
1578 if (gimple_modified_p (s))
1579 update_stmt_operands (s);
1582 /* Return true if statement STMT contains volatile operands. */
1585 gimple_has_volatile_ops (const_gimple stmt)
1587 if (gimple_has_mem_ops (stmt))
1588 return stmt->gsbase.has_volatile_ops;
1594 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */
1597 gimple_set_has_volatile_ops (gimple stmt, bool volatilep)
1599 if (gimple_has_mem_ops (stmt))
1600 stmt->gsbase.has_volatile_ops = (unsigned) volatilep;
1603 /* Return true if BB is in a transaction. */
1606 block_in_transaction (basic_block bb)
1608 return flag_tm && bb->flags & BB_IN_TRANSACTION;
1611 /* Return true if STMT is in a transaction. */
1614 gimple_in_transaction (gimple stmt)
1616 return block_in_transaction (gimple_bb (stmt));
1619 /* Return true if statement STMT may access memory. */
1622 gimple_references_memory_p (gimple stmt)
1624 return gimple_has_mem_ops (stmt) && gimple_vuse (stmt);
1628 /* Return the subcode for OMP statement S. */
1630 static inline unsigned
1631 gimple_omp_subcode (const_gimple s)
1633 gcc_gimple_checking_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD
1634 && gimple_code (s) <= GIMPLE_OMP_SINGLE);
1635 return s->gsbase.subcode;
1638 /* Set the subcode for OMP statement S to SUBCODE. */
1641 gimple_omp_set_subcode (gimple s, unsigned int subcode)
1643 /* We only have 16 bits for the subcode. Assert that we are not
1645 gcc_gimple_checking_assert (subcode < (1 << 16));
1646 s->gsbase.subcode = subcode;
1649 /* Set the nowait flag on OMP_RETURN statement S. */
1652 gimple_omp_return_set_nowait (gimple s)
1654 GIMPLE_CHECK (s, GIMPLE_OMP_RETURN);
1655 s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT;
1659 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT
1663 gimple_omp_return_nowait_p (const_gimple g)
1665 GIMPLE_CHECK (g, GIMPLE_OMP_RETURN);
1666 return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0;
1670 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST
1674 gimple_omp_section_last_p (const_gimple g)
1676 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1677 return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0;
1681 /* Set the GF_OMP_SECTION_LAST flag on G. */
1684 gimple_omp_section_set_last (gimple g)
1686 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1687 g->gsbase.subcode |= GF_OMP_SECTION_LAST;
1691 /* Return true if OMP parallel statement G has the
1692 GF_OMP_PARALLEL_COMBINED flag set. */
1695 gimple_omp_parallel_combined_p (const_gimple g)
1697 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1698 return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0;
1702 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean
1703 value of COMBINED_P. */
1706 gimple_omp_parallel_set_combined_p (gimple g, bool combined_p)
1708 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1710 g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED;
1712 g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED;
1716 /* Return true if OMP atomic load/store statement G has the
1717 GF_OMP_ATOMIC_NEED_VALUE flag set. */
1720 gimple_omp_atomic_need_value_p (const_gimple g)
1722 if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD)
1723 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
1724 return (gimple_omp_subcode (g) & GF_OMP_ATOMIC_NEED_VALUE) != 0;
1728 /* Set the GF_OMP_ATOMIC_NEED_VALUE flag on G. */
1731 gimple_omp_atomic_set_need_value (gimple g)
1733 if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD)
1734 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
1735 g->gsbase.subcode |= GF_OMP_ATOMIC_NEED_VALUE;
1739 /* Return the number of operands for statement GS. */
1741 static inline unsigned
1742 gimple_num_ops (const_gimple gs)
1744 return gs->gsbase.num_ops;
1748 /* Set the number of operands for statement GS. */
1751 gimple_set_num_ops (gimple gs, unsigned num_ops)
1753 gs->gsbase.num_ops = num_ops;
1757 /* Return the array of operands for statement GS. */
1759 static inline tree *
1760 gimple_ops (gimple gs)
1764 /* All the tuples have their operand vector at the very bottom
1765 of the structure. Note that those structures that do not
1766 have an operand vector have a zero offset. */
1767 off = gimple_ops_offset_[gimple_statement_structure (gs)];
1768 gcc_gimple_checking_assert (off != 0);
1770 return (tree *) ((char *) gs + off);
1774 /* Return operand I for statement GS. */
1777 gimple_op (const_gimple gs, unsigned i)
1779 if (gimple_has_ops (gs))
1781 gcc_gimple_checking_assert (i < gimple_num_ops (gs));
1782 return gimple_ops (CONST_CAST_GIMPLE (gs))[i];
1788 /* Return a pointer to operand I for statement GS. */
1790 static inline tree *
1791 gimple_op_ptr (const_gimple gs, unsigned i)
1793 if (gimple_has_ops (gs))
1795 gcc_gimple_checking_assert (i < gimple_num_ops (gs));
1796 return gimple_ops (CONST_CAST_GIMPLE (gs)) + i;
1802 /* Set operand I of statement GS to OP. */
1805 gimple_set_op (gimple gs, unsigned i, tree op)
1807 gcc_gimple_checking_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs));
1809 /* Note. It may be tempting to assert that OP matches
1810 is_gimple_operand, but that would be wrong. Different tuples
1811 accept slightly different sets of tree operands. Each caller
1812 should perform its own validation. */
1813 gimple_ops (gs)[i] = op;
1816 /* Return true if GS is a GIMPLE_ASSIGN. */
1819 is_gimple_assign (const_gimple gs)
1821 return gimple_code (gs) == GIMPLE_ASSIGN;
1824 /* Determine if expression CODE is one of the valid expressions that can
1825 be used on the RHS of GIMPLE assignments. */
1827 static inline enum gimple_rhs_class
1828 get_gimple_rhs_class (enum tree_code code)
1830 return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code];
1833 /* Return the LHS of assignment statement GS. */
1836 gimple_assign_lhs (const_gimple gs)
1838 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1839 return gimple_op (gs, 0);
1843 /* Return a pointer to the LHS of assignment statement GS. */
1845 static inline tree *
1846 gimple_assign_lhs_ptr (const_gimple gs)
1848 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1849 return gimple_op_ptr (gs, 0);
1853 /* Set LHS to be the LHS operand of assignment statement GS. */
1856 gimple_assign_set_lhs (gimple gs, tree lhs)
1858 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1859 gimple_set_op (gs, 0, lhs);
1861 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1862 SSA_NAME_DEF_STMT (lhs) = gs;
1866 /* Return the first operand on the RHS of assignment statement GS. */
1869 gimple_assign_rhs1 (const_gimple gs)
1871 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1872 return gimple_op (gs, 1);
1876 /* Return a pointer to the first operand on the RHS of assignment
1879 static inline tree *
1880 gimple_assign_rhs1_ptr (const_gimple gs)
1882 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1883 return gimple_op_ptr (gs, 1);
1886 /* Set RHS to be the first operand on the RHS of assignment statement GS. */
1889 gimple_assign_set_rhs1 (gimple gs, tree rhs)
1891 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1893 gimple_set_op (gs, 1, rhs);
1897 /* Return the second operand on the RHS of assignment statement GS.
1898 If GS does not have two operands, NULL is returned instead. */
1901 gimple_assign_rhs2 (const_gimple gs)
1903 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1905 if (gimple_num_ops (gs) >= 3)
1906 return gimple_op (gs, 2);
1912 /* Return a pointer to the second operand on the RHS of assignment
1915 static inline tree *
1916 gimple_assign_rhs2_ptr (const_gimple gs)
1918 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1919 return gimple_op_ptr (gs, 2);
1923 /* Set RHS to be the second operand on the RHS of assignment statement GS. */
1926 gimple_assign_set_rhs2 (gimple gs, tree rhs)
1928 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1930 gimple_set_op (gs, 2, rhs);
1933 /* Return the third operand on the RHS of assignment statement GS.
1934 If GS does not have two operands, NULL is returned instead. */
1937 gimple_assign_rhs3 (const_gimple gs)
1939 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1941 if (gimple_num_ops (gs) >= 4)
1942 return gimple_op (gs, 3);
1947 /* Return a pointer to the third operand on the RHS of assignment
1950 static inline tree *
1951 gimple_assign_rhs3_ptr (const_gimple gs)
1953 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1954 return gimple_op_ptr (gs, 3);
1958 /* Set RHS to be the third operand on the RHS of assignment statement GS. */
1961 gimple_assign_set_rhs3 (gimple gs, tree rhs)
1963 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1965 gimple_set_op (gs, 3, rhs);
1968 /* A wrapper around gimple_assign_set_rhs_with_ops_1, for callers which expect
1969 to see only a maximum of two operands. */
1972 gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *gsi, enum tree_code code,
1975 gimple_assign_set_rhs_with_ops_1 (gsi, code, op1, op2, NULL);
1978 /* A wrapper around extract_ops_from_tree_1, for callers which expect
1979 to see only a maximum of two operands. */
1982 extract_ops_from_tree (tree expr, enum tree_code *code, tree *op0,
1986 extract_ops_from_tree_1 (expr, code, op0, op1, &op2);
1987 gcc_assert (op2 == NULL_TREE);
1990 /* Returns true if GS is a nontemporal move. */
1993 gimple_assign_nontemporal_move_p (const_gimple gs)
1995 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1996 return gs->gsbase.nontemporal_move;
1999 /* Sets nontemporal move flag of GS to NONTEMPORAL. */
2002 gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal)
2004 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
2005 gs->gsbase.nontemporal_move = nontemporal;
2009 /* Return the code of the expression computed on the rhs of assignment
2010 statement GS. In case that the RHS is a single object, returns the
2011 tree code of the object. */
2013 static inline enum tree_code
2014 gimple_assign_rhs_code (const_gimple gs)
2016 enum tree_code code;
2017 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
2019 code = (enum tree_code) gs->gsbase.subcode;
2020 /* While we initially set subcode to the TREE_CODE of the rhs for
2021 GIMPLE_SINGLE_RHS assigns we do not update that subcode to stay
2022 in sync when we rewrite stmts into SSA form or do SSA propagations. */
2023 if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS)
2024 code = TREE_CODE (gimple_assign_rhs1 (gs));
2030 /* Set CODE to be the code for the expression computed on the RHS of
2034 gimple_assign_set_rhs_code (gimple s, enum tree_code code)
2036 GIMPLE_CHECK (s, GIMPLE_ASSIGN);
2037 s->gsbase.subcode = code;
2041 /* Return the gimple rhs class of the code of the expression computed on
2042 the rhs of assignment statement GS.
2043 This will never return GIMPLE_INVALID_RHS. */
2045 static inline enum gimple_rhs_class
2046 gimple_assign_rhs_class (const_gimple gs)
2048 return get_gimple_rhs_class (gimple_assign_rhs_code (gs));
2051 /* Return true if GS is an assignment with a singleton RHS, i.e.,
2052 there is no operator associated with the assignment itself.
2053 Unlike gimple_assign_copy_p, this predicate returns true for
2054 any RHS operand, including those that perform an operation
2055 and do not have the semantics of a copy, such as COND_EXPR. */
2058 gimple_assign_single_p (gimple gs)
2060 return (is_gimple_assign (gs)
2061 && gimple_assign_rhs_class (gs) == GIMPLE_SINGLE_RHS);
2065 /* Return true if S is a type-cast assignment. */
2068 gimple_assign_cast_p (gimple s)
2070 if (is_gimple_assign (s))
2072 enum tree_code sc = gimple_assign_rhs_code (s);
2073 return CONVERT_EXPR_CODE_P (sc)
2074 || sc == VIEW_CONVERT_EXPR
2075 || sc == FIX_TRUNC_EXPR;
2081 /* Return true if S is a clobber statement. */
2084 gimple_clobber_p (gimple s)
2086 return gimple_assign_single_p (s)
2087 && TREE_CLOBBER_P (gimple_assign_rhs1 (s));
2090 /* Return true if GS is a GIMPLE_CALL. */
2093 is_gimple_call (const_gimple gs)
2095 return gimple_code (gs) == GIMPLE_CALL;
2098 /* Return the LHS of call statement GS. */
2101 gimple_call_lhs (const_gimple gs)
2103 GIMPLE_CHECK (gs, GIMPLE_CALL);
2104 return gimple_op (gs, 0);
2108 /* Return a pointer to the LHS of call statement GS. */
2110 static inline tree *
2111 gimple_call_lhs_ptr (const_gimple gs)
2113 GIMPLE_CHECK (gs, GIMPLE_CALL);
2114 return gimple_op_ptr (gs, 0);
2118 /* Set LHS to be the LHS operand of call statement GS. */
2121 gimple_call_set_lhs (gimple gs, tree lhs)
2123 GIMPLE_CHECK (gs, GIMPLE_CALL);
2124 gimple_set_op (gs, 0, lhs);
2125 if (lhs && TREE_CODE (lhs) == SSA_NAME)
2126 SSA_NAME_DEF_STMT (lhs) = gs;
2130 /* Return true if call GS calls an internal-only function, as enumerated
2134 gimple_call_internal_p (const_gimple gs)
2136 GIMPLE_CHECK (gs, GIMPLE_CALL);
2137 return (gs->gsbase.subcode & GF_CALL_INTERNAL) != 0;
2141 /* Return the target of internal call GS. */
2143 static inline enum internal_fn
2144 gimple_call_internal_fn (const_gimple gs)
2146 gcc_gimple_checking_assert (gimple_call_internal_p (gs));
2147 return gs->gimple_call.u.internal_fn;
2151 /* Return the function type of the function called by GS. */
2154 gimple_call_fntype (const_gimple gs)
2156 GIMPLE_CHECK (gs, GIMPLE_CALL);
2157 if (gimple_call_internal_p (gs))
2159 return gs->gimple_call.u.fntype;
2162 /* Set the type of the function called by GS to FNTYPE. */
2165 gimple_call_set_fntype (gimple gs, tree fntype)
2167 GIMPLE_CHECK (gs, GIMPLE_CALL);
2168 gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
2169 gs->gimple_call.u.fntype = fntype;
2173 /* Return the tree node representing the function called by call
2177 gimple_call_fn (const_gimple gs)
2179 GIMPLE_CHECK (gs, GIMPLE_CALL);
2180 return gimple_op (gs, 1);
2183 /* Return a pointer to the tree node representing the function called by call
2186 static inline tree *
2187 gimple_call_fn_ptr (const_gimple gs)
2189 GIMPLE_CHECK (gs, GIMPLE_CALL);
2190 return gimple_op_ptr (gs, 1);
2194 /* Set FN to be the function called by call statement GS. */
2197 gimple_call_set_fn (gimple gs, tree fn)
2199 GIMPLE_CHECK (gs, GIMPLE_CALL);
2200 gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
2201 gimple_set_op (gs, 1, fn);
2205 /* Set FNDECL to be the function called by call statement GS. */
2208 gimple_call_set_fndecl (gimple gs, tree decl)
2210 GIMPLE_CHECK (gs, GIMPLE_CALL);
2211 gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
2212 gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl));
2216 /* Set internal function FN to be the function called by call statement GS. */
2219 gimple_call_set_internal_fn (gimple gs, enum internal_fn fn)
2221 GIMPLE_CHECK (gs, GIMPLE_CALL);
2222 gcc_gimple_checking_assert (gimple_call_internal_p (gs));
2223 gs->gimple_call.u.internal_fn = fn;
2227 /* Given a valid GIMPLE_CALL function address return the FUNCTION_DECL
2228 associated with the callee if known. Otherwise return NULL_TREE. */
2231 gimple_call_addr_fndecl (const_tree fn)
2233 if (fn && TREE_CODE (fn) == ADDR_EXPR)
2235 tree fndecl = TREE_OPERAND (fn, 0);
2236 if (TREE_CODE (fndecl) == MEM_REF
2237 && TREE_CODE (TREE_OPERAND (fndecl, 0)) == ADDR_EXPR
2238 && integer_zerop (TREE_OPERAND (fndecl, 1)))
2239 fndecl = TREE_OPERAND (TREE_OPERAND (fndecl, 0), 0);
2240 if (TREE_CODE (fndecl) == FUNCTION_DECL)
2246 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it.
2247 Otherwise return NULL. This function is analogous to
2248 get_callee_fndecl in tree land. */
2251 gimple_call_fndecl (const_gimple gs)
2253 return gimple_call_addr_fndecl (gimple_call_fn (gs));
2257 /* Return the type returned by call statement GS. */
2260 gimple_call_return_type (const_gimple gs)
2262 tree type = gimple_call_fntype (gs);
2264 if (type == NULL_TREE)
2265 return TREE_TYPE (gimple_call_lhs (gs));
2267 /* The type returned by a function is the type of its
2269 return TREE_TYPE (type);
2273 /* Return the static chain for call statement GS. */
2276 gimple_call_chain (const_gimple gs)
2278 GIMPLE_CHECK (gs, GIMPLE_CALL);
2279 return gimple_op (gs, 2);
2283 /* Return a pointer to the static chain for call statement GS. */
2285 static inline tree *
2286 gimple_call_chain_ptr (const_gimple gs)
2288 GIMPLE_CHECK (gs, GIMPLE_CALL);
2289 return gimple_op_ptr (gs, 2);
2292 /* Set CHAIN to be the static chain for call statement GS. */
2295 gimple_call_set_chain (gimple gs, tree chain)
2297 GIMPLE_CHECK (gs, GIMPLE_CALL);
2299 gimple_set_op (gs, 2, chain);
2303 /* Return the number of arguments used by call statement GS. */
2305 static inline unsigned
2306 gimple_call_num_args (const_gimple gs)
2309 GIMPLE_CHECK (gs, GIMPLE_CALL);
2310 num_ops = gimple_num_ops (gs);
2315 /* Return the argument at position INDEX for call statement GS. */
2318 gimple_call_arg (const_gimple gs, unsigned index)
2320 GIMPLE_CHECK (gs, GIMPLE_CALL);
2321 return gimple_op (gs, index + 3);
2325 /* Return a pointer to the argument at position INDEX for call
2328 static inline tree *
2329 gimple_call_arg_ptr (const_gimple gs, unsigned index)
2331 GIMPLE_CHECK (gs, GIMPLE_CALL);
2332 return gimple_op_ptr (gs, index + 3);
2336 /* Set ARG to be the argument at position INDEX for call statement GS. */
2339 gimple_call_set_arg (gimple gs, unsigned index, tree arg)
2341 GIMPLE_CHECK (gs, GIMPLE_CALL);
2342 gimple_set_op (gs, index + 3, arg);
2346 /* If TAIL_P is true, mark call statement S as being a tail call
2347 (i.e., a call just before the exit of a function). These calls are
2348 candidate for tail call optimization. */
2351 gimple_call_set_tail (gimple s, bool tail_p)
2353 GIMPLE_CHECK (s, GIMPLE_CALL);
2355 s->gsbase.subcode |= GF_CALL_TAILCALL;
2357 s->gsbase.subcode &= ~GF_CALL_TAILCALL;
2361 /* Return true if GIMPLE_CALL S is marked as a tail call. */
2364 gimple_call_tail_p (gimple s)
2366 GIMPLE_CHECK (s, GIMPLE_CALL);
2367 return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0;
2371 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return
2372 slot optimization. This transformation uses the target of the call
2373 expansion as the return slot for calls that return in memory. */
2376 gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p)
2378 GIMPLE_CHECK (s, GIMPLE_CALL);
2379 if (return_slot_opt_p)
2380 s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT;
2382 s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT;
2386 /* Return true if S is marked for return slot optimization. */
2389 gimple_call_return_slot_opt_p (gimple s)
2391 GIMPLE_CHECK (s, GIMPLE_CALL);
2392 return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0;
2396 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a
2397 thunk to the thunked-to function. */
2400 gimple_call_set_from_thunk (gimple s, bool from_thunk_p)
2402 GIMPLE_CHECK (s, GIMPLE_CALL);
2404 s->gsbase.subcode |= GF_CALL_FROM_THUNK;
2406 s->gsbase.subcode &= ~GF_CALL_FROM_THUNK;
2410 /* Return true if GIMPLE_CALL S is a jump from a thunk. */
2413 gimple_call_from_thunk_p (gimple s)
2415 GIMPLE_CHECK (s, GIMPLE_CALL);
2416 return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0;
2420 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the
2421 argument pack in its argument list. */
2424 gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p)
2426 GIMPLE_CHECK (s, GIMPLE_CALL);
2427 if (pass_arg_pack_p)
2428 s->gsbase.subcode |= GF_CALL_VA_ARG_PACK;
2430 s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK;
2434 /* Return true if GIMPLE_CALL S is a stdarg call that needs the
2435 argument pack in its argument list. */
2438 gimple_call_va_arg_pack_p (gimple s)
2440 GIMPLE_CHECK (s, GIMPLE_CALL);
2441 return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0;
2445 /* Return true if S is a noreturn call. */
2448 gimple_call_noreturn_p (gimple s)
2450 GIMPLE_CHECK (s, GIMPLE_CALL);
2451 return (gimple_call_flags (s) & ECF_NORETURN) != 0;
2455 /* If NOTHROW_P is true, GIMPLE_CALL S is a call that is known to not throw
2456 even if the called function can throw in other cases. */
2459 gimple_call_set_nothrow (gimple s, bool nothrow_p)
2461 GIMPLE_CHECK (s, GIMPLE_CALL);
2463 s->gsbase.subcode |= GF_CALL_NOTHROW;
2465 s->gsbase.subcode &= ~GF_CALL_NOTHROW;
2468 /* Return true if S is a nothrow call. */
2471 gimple_call_nothrow_p (gimple s)
2473 GIMPLE_CHECK (s, GIMPLE_CALL);
2474 return (gimple_call_flags (s) & ECF_NOTHROW) != 0;
2477 /* If FOR_VAR is true, GIMPLE_CALL S is a call to builtin_alloca that
2478 is known to be emitted for VLA objects. Those are wrapped by
2479 stack_save/stack_restore calls and hence can't lead to unbounded
2480 stack growth even when they occur in loops. */
2483 gimple_call_set_alloca_for_var (gimple s, bool for_var)
2485 GIMPLE_CHECK (s, GIMPLE_CALL);
2487 s->gsbase.subcode |= GF_CALL_ALLOCA_FOR_VAR;
2489 s->gsbase.subcode &= ~GF_CALL_ALLOCA_FOR_VAR;
2492 /* Return true of S is a call to builtin_alloca emitted for VLA objects. */
2495 gimple_call_alloca_for_var_p (gimple s)
2497 GIMPLE_CHECK (s, GIMPLE_CALL);
2498 return (s->gsbase.subcode & GF_CALL_ALLOCA_FOR_VAR) != 0;
2501 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */
2504 gimple_call_copy_flags (gimple dest_call, gimple orig_call)
2506 GIMPLE_CHECK (dest_call, GIMPLE_CALL);
2507 GIMPLE_CHECK (orig_call, GIMPLE_CALL);
2508 dest_call->gsbase.subcode = orig_call->gsbase.subcode;
2512 /* Return a pointer to the points-to solution for the set of call-used
2513 variables of the call CALL. */
2515 static inline struct pt_solution *
2516 gimple_call_use_set (gimple call)
2518 GIMPLE_CHECK (call, GIMPLE_CALL);
2519 return &call->gimple_call.call_used;
2523 /* Return a pointer to the points-to solution for the set of call-used
2524 variables of the call CALL. */
2526 static inline struct pt_solution *
2527 gimple_call_clobber_set (gimple call)
2529 GIMPLE_CHECK (call, GIMPLE_CALL);
2530 return &call->gimple_call.call_clobbered;
2534 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a
2538 gimple_has_lhs (gimple stmt)
2540 return (is_gimple_assign (stmt)
2541 || (is_gimple_call (stmt)
2542 && gimple_call_lhs (stmt) != NULL_TREE));
2546 /* Return the code of the predicate computed by conditional statement GS. */
2548 static inline enum tree_code
2549 gimple_cond_code (const_gimple gs)
2551 GIMPLE_CHECK (gs, GIMPLE_COND);
2552 return (enum tree_code) gs->gsbase.subcode;
2556 /* Set CODE to be the predicate code for the conditional statement GS. */
2559 gimple_cond_set_code (gimple gs, enum tree_code code)
2561 GIMPLE_CHECK (gs, GIMPLE_COND);
2562 gs->gsbase.subcode = code;
2566 /* Return the LHS of the predicate computed by conditional statement GS. */
2569 gimple_cond_lhs (const_gimple gs)
2571 GIMPLE_CHECK (gs, GIMPLE_COND);
2572 return gimple_op (gs, 0);
2575 /* Return the pointer to the LHS of the predicate computed by conditional
2578 static inline tree *
2579 gimple_cond_lhs_ptr (const_gimple gs)
2581 GIMPLE_CHECK (gs, GIMPLE_COND);
2582 return gimple_op_ptr (gs, 0);
2585 /* Set LHS to be the LHS operand of the predicate computed by
2586 conditional statement GS. */
2589 gimple_cond_set_lhs (gimple gs, tree lhs)
2591 GIMPLE_CHECK (gs, GIMPLE_COND);
2592 gimple_set_op (gs, 0, lhs);
2596 /* Return the RHS operand of the predicate computed by conditional GS. */
2599 gimple_cond_rhs (const_gimple gs)
2601 GIMPLE_CHECK (gs, GIMPLE_COND);
2602 return gimple_op (gs, 1);
2605 /* Return the pointer to the RHS operand of the predicate computed by
2608 static inline tree *
2609 gimple_cond_rhs_ptr (const_gimple gs)
2611 GIMPLE_CHECK (gs, GIMPLE_COND);
2612 return gimple_op_ptr (gs, 1);
2616 /* Set RHS to be the RHS operand of the predicate computed by
2617 conditional statement GS. */
2620 gimple_cond_set_rhs (gimple gs, tree rhs)
2622 GIMPLE_CHECK (gs, GIMPLE_COND);
2623 gimple_set_op (gs, 1, rhs);
2627 /* Return the label used by conditional statement GS when its
2628 predicate evaluates to true. */
2631 gimple_cond_true_label (const_gimple gs)
2633 GIMPLE_CHECK (gs, GIMPLE_COND);
2634 return gimple_op (gs, 2);
2638 /* Set LABEL to be the label used by conditional statement GS when its
2639 predicate evaluates to true. */
2642 gimple_cond_set_true_label (gimple gs, tree label)
2644 GIMPLE_CHECK (gs, GIMPLE_COND);
2645 gimple_set_op (gs, 2, label);
2649 /* Set LABEL to be the label used by conditional statement GS when its
2650 predicate evaluates to false. */
2653 gimple_cond_set_false_label (gimple gs, tree label)
2655 GIMPLE_CHECK (gs, GIMPLE_COND);
2656 gimple_set_op (gs, 3, label);
2660 /* Return the label used by conditional statement GS when its
2661 predicate evaluates to false. */
2664 gimple_cond_false_label (const_gimple gs)
2666 GIMPLE_CHECK (gs, GIMPLE_COND);
2667 return gimple_op (gs, 3);
2671 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */
2674 gimple_cond_make_false (gimple gs)
2676 gimple_cond_set_lhs (gs, boolean_true_node);
2677 gimple_cond_set_rhs (gs, boolean_false_node);
2678 gs->gsbase.subcode = EQ_EXPR;
2682 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */
2685 gimple_cond_make_true (gimple gs)
2687 gimple_cond_set_lhs (gs, boolean_true_node);
2688 gimple_cond_set_rhs (gs, boolean_true_node);
2689 gs->gsbase.subcode = EQ_EXPR;
2692 /* Check if conditional statemente GS is of the form 'if (1 == 1)',
2693 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */
2696 gimple_cond_true_p (const_gimple gs)
2698 tree lhs = gimple_cond_lhs (gs);
2699 tree rhs = gimple_cond_rhs (gs);
2700 enum tree_code code = gimple_cond_code (gs);
2702 if (lhs != boolean_true_node && lhs != boolean_false_node)
2705 if (rhs != boolean_true_node && rhs != boolean_false_node)
2708 if (code == NE_EXPR && lhs != rhs)
2711 if (code == EQ_EXPR && lhs == rhs)
2717 /* Check if conditional statement GS is of the form 'if (1 != 1)',
2718 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */
2721 gimple_cond_false_p (const_gimple gs)
2723 tree lhs = gimple_cond_lhs (gs);
2724 tree rhs = gimple_cond_rhs (gs);
2725 enum tree_code code = gimple_cond_code (gs);
2727 if (lhs != boolean_true_node && lhs != boolean_false_node)
2730 if (rhs != boolean_true_node && rhs != boolean_false_node)
2733 if (code == NE_EXPR && lhs == rhs)
2736 if (code == EQ_EXPR && lhs != rhs)
2742 /* Check if conditional statement GS is of the form 'if (var != 0)' or
2746 gimple_cond_single_var_p (gimple gs)
2748 if (gimple_cond_code (gs) == NE_EXPR
2749 && gimple_cond_rhs (gs) == boolean_false_node)
2752 if (gimple_cond_code (gs) == EQ_EXPR
2753 && gimple_cond_rhs (gs) == boolean_true_node)
2759 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */
2762 gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs)
2764 gimple_cond_set_code (stmt, code);
2765 gimple_cond_set_lhs (stmt, lhs);
2766 gimple_cond_set_rhs (stmt, rhs);
2769 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */
2772 gimple_label_label (const_gimple gs)
2774 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2775 return gimple_op (gs, 0);
2779 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement
2783 gimple_label_set_label (gimple gs, tree label)
2785 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2786 gimple_set_op (gs, 0, label);
2790 /* Return the destination of the unconditional jump GS. */
2793 gimple_goto_dest (const_gimple gs)
2795 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2796 return gimple_op (gs, 0);
2800 /* Set DEST to be the destination of the unconditonal jump GS. */
2803 gimple_goto_set_dest (gimple gs, tree dest)
2805 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2806 gimple_set_op (gs, 0, dest);
2810 /* Return the variables declared in the GIMPLE_BIND statement GS. */
2813 gimple_bind_vars (const_gimple gs)
2815 GIMPLE_CHECK (gs, GIMPLE_BIND);
2816 return gs->gimple_bind.vars;
2820 /* Set VARS to be the set of variables declared in the GIMPLE_BIND
2824 gimple_bind_set_vars (gimple gs, tree vars)
2826 GIMPLE_CHECK (gs, GIMPLE_BIND);
2827 gs->gimple_bind.vars = vars;
2831 /* Append VARS to the set of variables declared in the GIMPLE_BIND
2835 gimple_bind_append_vars (gimple gs, tree vars)
2837 GIMPLE_CHECK (gs, GIMPLE_BIND);
2838 gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars);
2842 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */
2844 static inline gimple_seq
2845 gimple_bind_body (gimple gs)
2847 GIMPLE_CHECK (gs, GIMPLE_BIND);
2848 return gs->gimple_bind.body;
2852 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND
2856 gimple_bind_set_body (gimple gs, gimple_seq seq)
2858 GIMPLE_CHECK (gs, GIMPLE_BIND);
2859 gs->gimple_bind.body = seq;
2863 /* Append a statement to the end of a GIMPLE_BIND's body. */
2866 gimple_bind_add_stmt (gimple gs, gimple stmt)
2868 GIMPLE_CHECK (gs, GIMPLE_BIND);
2869 gimple_seq_add_stmt (&gs->gimple_bind.body, stmt);
2873 /* Append a sequence of statements to the end of a GIMPLE_BIND's body. */
2876 gimple_bind_add_seq (gimple gs, gimple_seq seq)
2878 GIMPLE_CHECK (gs, GIMPLE_BIND);
2879 gimple_seq_add_seq (&gs->gimple_bind.body, seq);
2883 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement
2884 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */
2887 gimple_bind_block (const_gimple gs)
2889 GIMPLE_CHECK (gs, GIMPLE_BIND);
2890 return gs->gimple_bind.block;
2894 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND
2898 gimple_bind_set_block (gimple gs, tree block)
2900 GIMPLE_CHECK (gs, GIMPLE_BIND);
2901 gcc_gimple_checking_assert (block == NULL_TREE
2902 || TREE_CODE (block) == BLOCK);
2903 gs->gimple_bind.block = block;
2907 /* Return the number of input operands for GIMPLE_ASM GS. */
2909 static inline unsigned
2910 gimple_asm_ninputs (const_gimple gs)
2912 GIMPLE_CHECK (gs, GIMPLE_ASM);
2913 return gs->gimple_asm.ni;
2917 /* Return the number of output operands for GIMPLE_ASM GS. */
2919 static inline unsigned
2920 gimple_asm_noutputs (const_gimple gs)
2922 GIMPLE_CHECK (gs, GIMPLE_ASM);
2923 return gs->gimple_asm.no;
2927 /* Return the number of clobber operands for GIMPLE_ASM GS. */
2929 static inline unsigned
2930 gimple_asm_nclobbers (const_gimple gs)
2932 GIMPLE_CHECK (gs, GIMPLE_ASM);
2933 return gs->gimple_asm.nc;
2936 /* Return the number of label operands for GIMPLE_ASM GS. */
2938 static inline unsigned
2939 gimple_asm_nlabels (const_gimple gs)
2941 GIMPLE_CHECK (gs, GIMPLE_ASM);
2942 return gs->gimple_asm.nl;
2945 /* Return input operand INDEX of GIMPLE_ASM GS. */
2948 gimple_asm_input_op (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 (gs, index);
2955 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */
2957 static inline tree *
2958 gimple_asm_input_op_ptr (const_gimple gs, unsigned index)
2960 GIMPLE_CHECK (gs, GIMPLE_ASM);
2961 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni);
2962 return gimple_op_ptr (gs, index);
2966 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */
2969 gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op)
2971 GIMPLE_CHECK (gs, GIMPLE_ASM);
2972 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni
2973 && TREE_CODE (in_op) == TREE_LIST);
2974 gimple_set_op (gs, index, in_op);
2978 /* Return output operand INDEX of GIMPLE_ASM GS. */
2981 gimple_asm_output_op (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 (gs, index + gs->gimple_asm.ni);
2988 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */
2990 static inline tree *
2991 gimple_asm_output_op_ptr (const_gimple gs, unsigned index)
2993 GIMPLE_CHECK (gs, GIMPLE_ASM);
2994 gcc_gimple_checking_assert (index <= gs->gimple_asm.no);
2995 return gimple_op_ptr (gs, index + gs->gimple_asm.ni);
2999 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */
3002 gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op)
3004 GIMPLE_CHECK (gs, GIMPLE_ASM);
3005 gcc_gimple_checking_assert (index <= gs->gimple_asm.no
3006 && TREE_CODE (out_op) == TREE_LIST);
3007 gimple_set_op (gs, index + gs->gimple_asm.ni, out_op);
3011 /* Return clobber operand INDEX of GIMPLE_ASM GS. */
3014 gimple_asm_clobber_op (const_gimple gs, unsigned index)
3016 GIMPLE_CHECK (gs, GIMPLE_ASM);
3017 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc);
3018 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no);
3022 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */
3025 gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op)
3027 GIMPLE_CHECK (gs, GIMPLE_ASM);
3028 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc
3029 && TREE_CODE (clobber_op) == TREE_LIST);
3030 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op);
3033 /* Return label operand INDEX of GIMPLE_ASM GS. */
3036 gimple_asm_label_op (const_gimple gs, unsigned index)
3038 GIMPLE_CHECK (gs, GIMPLE_ASM);
3039 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl);
3040 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc);
3043 /* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS. */
3046 gimple_asm_set_label_op (gimple gs, unsigned index, tree label_op)
3048 GIMPLE_CHECK (gs, GIMPLE_ASM);
3049 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl
3050 && TREE_CODE (label_op) == TREE_LIST);
3051 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc, label_op);
3054 /* Return the string representing the assembly instruction in
3057 static inline const char *
3058 gimple_asm_string (const_gimple gs)
3060 GIMPLE_CHECK (gs, GIMPLE_ASM);
3061 return gs->gimple_asm.string;
3065 /* Return true if GS is an asm statement marked volatile. */
3068 gimple_asm_volatile_p (const_gimple gs)
3070 GIMPLE_CHECK (gs, GIMPLE_ASM);
3071 return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0;
3075 /* If VOLATLE_P is true, mark asm statement GS as volatile. */
3078 gimple_asm_set_volatile (gimple gs, bool volatile_p)
3080 GIMPLE_CHECK (gs, GIMPLE_ASM);
3082 gs->gsbase.subcode |= GF_ASM_VOLATILE;
3084 gs->gsbase.subcode &= ~GF_ASM_VOLATILE;
3088 /* If INPUT_P is true, mark asm GS as an ASM_INPUT. */
3091 gimple_asm_set_input (gimple gs, bool input_p)
3093 GIMPLE_CHECK (gs, GIMPLE_ASM);
3095 gs->gsbase.subcode |= GF_ASM_INPUT;
3097 gs->gsbase.subcode &= ~GF_ASM_INPUT;
3101 /* Return true if asm GS is an ASM_INPUT. */
3104 gimple_asm_input_p (const_gimple gs)
3106 GIMPLE_CHECK (gs, GIMPLE_ASM);
3107 return (gs->gsbase.subcode & GF_ASM_INPUT) != 0;
3111 /* Return the types handled by GIMPLE_CATCH statement GS. */
3114 gimple_catch_types (const_gimple gs)
3116 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3117 return gs->gimple_catch.types;
3121 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */
3123 static inline tree *
3124 gimple_catch_types_ptr (gimple gs)
3126 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3127 return &gs->gimple_catch.types;
3131 /* Return the GIMPLE sequence representing the body of the handler of
3132 GIMPLE_CATCH statement GS. */
3134 static inline gimple_seq
3135 gimple_catch_handler (gimple gs)
3137 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3138 return gs->gimple_catch.handler;
3142 /* Return a pointer to the GIMPLE sequence representing the body of
3143 the handler of GIMPLE_CATCH statement GS. */
3145 static inline gimple_seq *
3146 gimple_catch_handler_ptr (gimple gs)
3148 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3149 return &gs->gimple_catch.handler;
3153 /* Set T to be the set of types handled by GIMPLE_CATCH GS. */
3156 gimple_catch_set_types (gimple gs, tree t)
3158 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3159 gs->gimple_catch.types = t;
3163 /* Set HANDLER to be the body of GIMPLE_CATCH GS. */
3166 gimple_catch_set_handler (gimple gs, gimple_seq handler)
3168 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3169 gs->gimple_catch.handler = handler;
3173 /* Return the types handled by GIMPLE_EH_FILTER statement GS. */
3176 gimple_eh_filter_types (const_gimple gs)
3178 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3179 return gs->gimple_eh_filter.types;
3183 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement
3186 static inline tree *
3187 gimple_eh_filter_types_ptr (gimple gs)
3189 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3190 return &gs->gimple_eh_filter.types;
3194 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER
3197 static inline gimple_seq
3198 gimple_eh_filter_failure (gimple gs)
3200 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3201 return gs->gimple_eh_filter.failure;
3205 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */
3208 gimple_eh_filter_set_types (gimple gs, tree types)
3210 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3211 gs->gimple_eh_filter.types = types;
3215 /* Set FAILURE to be the sequence of statements to execute on failure
3216 for GIMPLE_EH_FILTER GS. */
3219 gimple_eh_filter_set_failure (gimple gs, gimple_seq failure)
3221 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3222 gs->gimple_eh_filter.failure = failure;
3225 /* Get the function decl to be called by the MUST_NOT_THROW region. */
3228 gimple_eh_must_not_throw_fndecl (gimple gs)
3230 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
3231 return gs->gimple_eh_mnt.fndecl;
3234 /* Set the function decl to be called by GS to DECL. */
3237 gimple_eh_must_not_throw_set_fndecl (gimple gs, tree decl)
3239 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
3240 gs->gimple_eh_mnt.fndecl = decl;
3243 /* GIMPLE_EH_ELSE accessors. */
3245 static inline gimple_seq
3246 gimple_eh_else_n_body (gimple gs)
3248 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3249 return gs->gimple_eh_else.n_body;
3252 static inline gimple_seq
3253 gimple_eh_else_e_body (gimple gs)
3255 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3256 return gs->gimple_eh_else.e_body;
3260 gimple_eh_else_set_n_body (gimple gs, gimple_seq seq)
3262 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3263 gs->gimple_eh_else.n_body = seq;
3267 gimple_eh_else_set_e_body (gimple gs, gimple_seq seq)
3269 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3270 gs->gimple_eh_else.e_body = seq;
3273 /* GIMPLE_TRY accessors. */
3275 /* Return the kind of try block represented by GIMPLE_TRY GS. This is
3276 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */
3278 static inline enum gimple_try_flags
3279 gimple_try_kind (const_gimple gs)
3281 GIMPLE_CHECK (gs, GIMPLE_TRY);
3282 return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND);
3286 /* Set the kind of try block represented by GIMPLE_TRY GS. */
3289 gimple_try_set_kind (gimple gs, enum gimple_try_flags kind)
3291 GIMPLE_CHECK (gs, GIMPLE_TRY);
3292 gcc_gimple_checking_assert (kind == GIMPLE_TRY_CATCH
3293 || kind == GIMPLE_TRY_FINALLY);
3294 if (gimple_try_kind (gs) != kind)
3295 gs->gsbase.subcode = (unsigned int) kind;
3299 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3302 gimple_try_catch_is_cleanup (const_gimple gs)
3304 gcc_gimple_checking_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH);
3305 return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0;
3309 /* Return the sequence of statements used as the body for GIMPLE_TRY GS. */
3311 static inline gimple_seq
3312 gimple_try_eval (gimple gs)
3314 GIMPLE_CHECK (gs, GIMPLE_TRY);
3315 return gs->gimple_try.eval;
3319 /* Return the sequence of statements used as the cleanup body for
3322 static inline gimple_seq
3323 gimple_try_cleanup (gimple gs)
3325 GIMPLE_CHECK (gs, GIMPLE_TRY);
3326 return gs->gimple_try.cleanup;
3330 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3333 gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup)
3335 gcc_gimple_checking_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH);
3336 if (catch_is_cleanup)
3337 g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP;
3339 g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP;
3343 /* Set EVAL to be the sequence of statements to use as the body for
3347 gimple_try_set_eval (gimple gs, gimple_seq eval)
3349 GIMPLE_CHECK (gs, GIMPLE_TRY);
3350 gs->gimple_try.eval = eval;
3354 /* Set CLEANUP to be the sequence of statements to use as the cleanup
3355 body for GIMPLE_TRY GS. */
3358 gimple_try_set_cleanup (gimple gs, gimple_seq cleanup)
3360 GIMPLE_CHECK (gs, GIMPLE_TRY);
3361 gs->gimple_try.cleanup = cleanup;
3365 /* Return the cleanup sequence for cleanup statement GS. */
3367 static inline gimple_seq
3368 gimple_wce_cleanup (gimple gs)
3370 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3371 return gs->gimple_wce.cleanup;
3375 /* Set CLEANUP to be the cleanup sequence for GS. */
3378 gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup)
3380 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3381 gs->gimple_wce.cleanup = cleanup;
3385 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */
3388 gimple_wce_cleanup_eh_only (const_gimple gs)
3390 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3391 return gs->gsbase.subcode != 0;
3395 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */
3398 gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p)
3400 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3401 gs->gsbase.subcode = (unsigned int) eh_only_p;
3405 /* Return the maximum number of arguments supported by GIMPLE_PHI GS. */
3407 static inline unsigned
3408 gimple_phi_capacity (const_gimple gs)
3410 GIMPLE_CHECK (gs, GIMPLE_PHI);
3411 return gs->gimple_phi.capacity;
3415 /* Return the number of arguments in GIMPLE_PHI GS. This must always
3416 be exactly the number of incoming edges for the basic block holding
3419 static inline unsigned
3420 gimple_phi_num_args (const_gimple gs)
3422 GIMPLE_CHECK (gs, GIMPLE_PHI);
3423 return gs->gimple_phi.nargs;
3427 /* Return the SSA name created by GIMPLE_PHI GS. */
3430 gimple_phi_result (const_gimple gs)
3432 GIMPLE_CHECK (gs, GIMPLE_PHI);
3433 return gs->gimple_phi.result;
3436 /* Return a pointer to the SSA name created by GIMPLE_PHI GS. */
3438 static inline tree *
3439 gimple_phi_result_ptr (gimple gs)
3441 GIMPLE_CHECK (gs, GIMPLE_PHI);
3442 return &gs->gimple_phi.result;
3445 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */
3448 gimple_phi_set_result (gimple gs, tree result)
3450 GIMPLE_CHECK (gs, GIMPLE_PHI);
3451 gs->gimple_phi.result = result;
3455 /* Return the PHI argument corresponding to incoming edge INDEX for
3458 static inline struct phi_arg_d *
3459 gimple_phi_arg (gimple gs, unsigned index)
3461 GIMPLE_CHECK (gs, GIMPLE_PHI);
3462 gcc_gimple_checking_assert (index <= gs->gimple_phi.capacity);
3463 return &(gs->gimple_phi.args[index]);
3466 /* Set PHIARG to be the argument corresponding to incoming edge INDEX
3467 for GIMPLE_PHI GS. */
3470 gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg)
3472 GIMPLE_CHECK (gs, GIMPLE_PHI);
3473 gcc_gimple_checking_assert (index <= gs->gimple_phi.nargs);
3474 gs->gimple_phi.args[index] = *phiarg;
3477 /* Return the region number for GIMPLE_RESX GS. */
3480 gimple_resx_region (const_gimple gs)
3482 GIMPLE_CHECK (gs, GIMPLE_RESX);
3483 return gs->gimple_eh_ctrl.region;
3486 /* Set REGION to be the region number for GIMPLE_RESX GS. */
3489 gimple_resx_set_region (gimple gs, int region)
3491 GIMPLE_CHECK (gs, GIMPLE_RESX);
3492 gs->gimple_eh_ctrl.region = region;
3495 /* Return the region number for GIMPLE_EH_DISPATCH GS. */
3498 gimple_eh_dispatch_region (const_gimple gs)
3500 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3501 return gs->gimple_eh_ctrl.region;
3504 /* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS. */
3507 gimple_eh_dispatch_set_region (gimple gs, int region)
3509 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3510 gs->gimple_eh_ctrl.region = region;
3513 /* Return the number of labels associated with the switch statement GS. */
3515 static inline unsigned
3516 gimple_switch_num_labels (const_gimple gs)
3519 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3520 num_ops = gimple_num_ops (gs);
3521 gcc_gimple_checking_assert (num_ops > 1);
3526 /* Set NLABELS to be the number of labels for the switch statement GS. */
3529 gimple_switch_set_num_labels (gimple g, unsigned nlabels)
3531 GIMPLE_CHECK (g, GIMPLE_SWITCH);
3532 gimple_set_num_ops (g, nlabels + 1);
3536 /* Return the index variable used by the switch statement GS. */
3539 gimple_switch_index (const_gimple gs)
3541 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3542 return gimple_op (gs, 0);
3546 /* Return a pointer to the index variable for the switch statement GS. */
3548 static inline tree *
3549 gimple_switch_index_ptr (const_gimple gs)
3551 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3552 return gimple_op_ptr (gs, 0);
3556 /* Set INDEX to be the index variable for switch statement GS. */
3559 gimple_switch_set_index (gimple gs, tree index)
3561 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3562 gcc_gimple_checking_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index));
3563 gimple_set_op (gs, 0, index);
3567 /* Return the label numbered INDEX. The default label is 0, followed by any
3568 labels in a switch statement. */
3571 gimple_switch_label (const_gimple gs, unsigned index)
3573 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3574 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1);
3575 return gimple_op (gs, index + 1);
3578 /* Set the label number INDEX to LABEL. 0 is always the default label. */
3581 gimple_switch_set_label (gimple gs, unsigned index, tree label)
3583 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3584 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1
3585 && (label == NULL_TREE
3586 || TREE_CODE (label) == CASE_LABEL_EXPR));
3587 gimple_set_op (gs, index + 1, label);
3590 /* Return the default label for a switch statement. */
3593 gimple_switch_default_label (const_gimple gs)
3595 return gimple_switch_label (gs, 0);
3598 /* Set the default label for a switch statement. */
3601 gimple_switch_set_default_label (gimple gs, tree label)
3603 gimple_switch_set_label (gs, 0, label);
3606 /* Return true if GS is a GIMPLE_DEBUG statement. */
3609 is_gimple_debug (const_gimple gs)
3611 return gimple_code (gs) == GIMPLE_DEBUG;
3614 /* Return true if S is a GIMPLE_DEBUG BIND statement. */
3617 gimple_debug_bind_p (const_gimple s)
3619 if (is_gimple_debug (s))
3620 return s->gsbase.subcode == GIMPLE_DEBUG_BIND;
3625 /* Return the variable bound in a GIMPLE_DEBUG bind statement. */
3628 gimple_debug_bind_get_var (gimple dbg)
3630 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3631 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3632 return gimple_op (dbg, 0);
3635 /* Return the value bound to the variable in a GIMPLE_DEBUG bind
3639 gimple_debug_bind_get_value (gimple dbg)
3641 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3642 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3643 return gimple_op (dbg, 1);
3646 /* Return a pointer to the value bound to the variable in a
3647 GIMPLE_DEBUG bind statement. */
3649 static inline tree *
3650 gimple_debug_bind_get_value_ptr (gimple dbg)
3652 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3653 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3654 return gimple_op_ptr (dbg, 1);
3657 /* Set the variable bound in a GIMPLE_DEBUG bind statement. */
3660 gimple_debug_bind_set_var (gimple dbg, tree var)
3662 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3663 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3664 gimple_set_op (dbg, 0, var);
3667 /* Set the value bound to the variable in a GIMPLE_DEBUG bind
3671 gimple_debug_bind_set_value (gimple dbg, tree value)
3673 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3674 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3675 gimple_set_op (dbg, 1, value);
3678 /* The second operand of a GIMPLE_DEBUG_BIND, when the value was
3680 #define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */
3682 /* Remove the value bound to the variable in a GIMPLE_DEBUG bind
3686 gimple_debug_bind_reset_value (gimple dbg)
3688 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3689 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3690 gimple_set_op (dbg, 1, GIMPLE_DEBUG_BIND_NOVALUE);
3693 /* Return true if the GIMPLE_DEBUG bind statement is bound to a
3697 gimple_debug_bind_has_value_p (gimple dbg)
3699 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3700 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3701 return gimple_op (dbg, 1) != GIMPLE_DEBUG_BIND_NOVALUE;
3704 #undef GIMPLE_DEBUG_BIND_NOVALUE
3706 /* Return true if S is a GIMPLE_DEBUG SOURCE BIND statement. */
3709 gimple_debug_source_bind_p (const_gimple s)
3711 if (is_gimple_debug (s))
3712 return s->gsbase.subcode == GIMPLE_DEBUG_SOURCE_BIND;
3717 /* Return the variable bound in a GIMPLE_DEBUG source bind statement. */
3720 gimple_debug_source_bind_get_var (gimple dbg)
3722 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3723 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3724 return gimple_op (dbg, 0);
3727 /* Return the value bound to the variable in a GIMPLE_DEBUG source bind
3731 gimple_debug_source_bind_get_value (gimple dbg)
3733 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3734 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3735 return gimple_op (dbg, 1);
3738 /* Return a pointer to the value bound to the variable in a
3739 GIMPLE_DEBUG source bind statement. */
3741 static inline tree *
3742 gimple_debug_source_bind_get_value_ptr (gimple dbg)
3744 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3745 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3746 return gimple_op_ptr (dbg, 1);
3749 /* Set the variable bound in a GIMPLE_DEBUG source bind statement. */
3752 gimple_debug_source_bind_set_var (gimple dbg, tree var)
3754 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3755 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3756 gimple_set_op (dbg, 0, var);
3759 /* Set the value bound to the variable in a GIMPLE_DEBUG source bind
3763 gimple_debug_source_bind_set_value (gimple dbg, tree value)
3765 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3766 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3767 gimple_set_op (dbg, 1, value);
3770 /* Return the body for the OMP statement GS. */
3772 static inline gimple_seq
3773 gimple_omp_body (gimple gs)
3775 return gs->omp.body;
3778 /* Set BODY to be the body for the OMP statement GS. */
3781 gimple_omp_set_body (gimple gs, gimple_seq body)
3783 gs->omp.body = body;
3787 /* Return the name associated with OMP_CRITICAL statement GS. */
3790 gimple_omp_critical_name (const_gimple gs)
3792 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3793 return gs->gimple_omp_critical.name;
3797 /* Return a pointer to the name associated with OMP critical statement GS. */
3799 static inline tree *
3800 gimple_omp_critical_name_ptr (gimple gs)
3802 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3803 return &gs->gimple_omp_critical.name;
3807 /* Set NAME to be the name associated with OMP critical statement GS. */
3810 gimple_omp_critical_set_name (gimple gs, tree name)
3812 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3813 gs->gimple_omp_critical.name = name;
3817 /* Return the clauses associated with OMP_FOR GS. */
3820 gimple_omp_for_clauses (const_gimple gs)
3822 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3823 return gs->gimple_omp_for.clauses;
3827 /* Return a pointer to the OMP_FOR GS. */
3829 static inline tree *
3830 gimple_omp_for_clauses_ptr (gimple gs)
3832 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3833 return &gs->gimple_omp_for.clauses;
3837 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */
3840 gimple_omp_for_set_clauses (gimple gs, tree clauses)
3842 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3843 gs->gimple_omp_for.clauses = clauses;
3847 /* Get the collapse count of OMP_FOR GS. */
3849 static inline size_t
3850 gimple_omp_for_collapse (gimple gs)
3852 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3853 return gs->gimple_omp_for.collapse;
3857 /* Return the index variable for OMP_FOR GS. */
3860 gimple_omp_for_index (const_gimple gs, size_t i)
3862 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3863 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3864 return gs->gimple_omp_for.iter[i].index;
3868 /* Return a pointer to the index variable for OMP_FOR GS. */
3870 static inline tree *
3871 gimple_omp_for_index_ptr (gimple gs, size_t i)
3873 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3874 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3875 return &gs->gimple_omp_for.iter[i].index;
3879 /* Set INDEX to be the index variable for OMP_FOR GS. */
3882 gimple_omp_for_set_index (gimple gs, size_t i, tree index)
3884 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3885 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3886 gs->gimple_omp_for.iter[i].index = index;
3890 /* Return the initial value for OMP_FOR GS. */
3893 gimple_omp_for_initial (const_gimple gs, size_t i)
3895 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3896 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3897 return gs->gimple_omp_for.iter[i].initial;
3901 /* Return a pointer to the initial value for OMP_FOR GS. */
3903 static inline tree *
3904 gimple_omp_for_initial_ptr (gimple gs, size_t i)
3906 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3907 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3908 return &gs->gimple_omp_for.iter[i].initial;
3912 /* Set INITIAL to be the initial value for OMP_FOR GS. */
3915 gimple_omp_for_set_initial (gimple gs, size_t i, tree initial)
3917 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3918 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3919 gs->gimple_omp_for.iter[i].initial = initial;
3923 /* Return the final value for OMP_FOR GS. */
3926 gimple_omp_for_final (const_gimple gs, size_t i)
3928 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3929 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3930 return gs->gimple_omp_for.iter[i].final;
3934 /* Return a pointer to the final value for OMP_FOR GS. */
3936 static inline tree *
3937 gimple_omp_for_final_ptr (gimple gs, size_t i)
3939 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3940 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3941 return &gs->gimple_omp_for.iter[i].final;
3945 /* Set FINAL to be the final value for OMP_FOR GS. */
3948 gimple_omp_for_set_final (gimple gs, size_t i, tree final)
3950 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3951 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3952 gs->gimple_omp_for.iter[i].final = final;
3956 /* Return the increment value for OMP_FOR GS. */
3959 gimple_omp_for_incr (const_gimple gs, size_t i)
3961 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3962 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3963 return gs->gimple_omp_for.iter[i].incr;
3967 /* Return a pointer to the increment value for OMP_FOR GS. */
3969 static inline tree *
3970 gimple_omp_for_incr_ptr (gimple gs, size_t i)
3972 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3973 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3974 return &gs->gimple_omp_for.iter[i].incr;
3978 /* Set INCR to be the increment value for OMP_FOR GS. */
3981 gimple_omp_for_set_incr (gimple gs, size_t i, tree incr)
3983 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3984 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3985 gs->gimple_omp_for.iter[i].incr = incr;
3989 /* Return the sequence of statements to execute before the OMP_FOR
3990 statement GS starts. */
3992 static inline gimple_seq
3993 gimple_omp_for_pre_body (gimple gs)
3995 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3996 return gs->gimple_omp_for.pre_body;
4000 /* Set PRE_BODY to be the sequence of statements to execute before the
4001 OMP_FOR statement GS starts. */
4004 gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body)
4006 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4007 gs->gimple_omp_for.pre_body = pre_body;
4011 /* Return the clauses associated with OMP_PARALLEL GS. */
4014 gimple_omp_parallel_clauses (const_gimple gs)
4016 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4017 return gs->gimple_omp_parallel.clauses;
4021 /* Return a pointer to the clauses associated with OMP_PARALLEL GS. */
4023 static inline tree *
4024 gimple_omp_parallel_clauses_ptr (gimple gs)
4026 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4027 return &gs->gimple_omp_parallel.clauses;
4031 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL
4035 gimple_omp_parallel_set_clauses (gimple gs, tree clauses)
4037 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4038 gs->gimple_omp_parallel.clauses = clauses;
4042 /* Return the child function used to hold the body of OMP_PARALLEL GS. */
4045 gimple_omp_parallel_child_fn (const_gimple gs)
4047 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4048 return gs->gimple_omp_parallel.child_fn;
4051 /* Return a pointer to the child function used to hold the body of
4054 static inline tree *
4055 gimple_omp_parallel_child_fn_ptr (gimple gs)
4057 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4058 return &gs->gimple_omp_parallel.child_fn;
4062 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */
4065 gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn)
4067 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4068 gs->gimple_omp_parallel.child_fn = child_fn;
4072 /* Return the artificial argument used to send variables and values
4073 from the parent to the children threads in OMP_PARALLEL GS. */
4076 gimple_omp_parallel_data_arg (const_gimple gs)
4078 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4079 return gs->gimple_omp_parallel.data_arg;
4083 /* Return a pointer to the data argument for OMP_PARALLEL GS. */
4085 static inline tree *
4086 gimple_omp_parallel_data_arg_ptr (gimple gs)
4088 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4089 return &gs->gimple_omp_parallel.data_arg;
4093 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */
4096 gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg)
4098 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4099 gs->gimple_omp_parallel.data_arg = data_arg;
4103 /* Return the clauses associated with OMP_TASK GS. */
4106 gimple_omp_task_clauses (const_gimple gs)
4108 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4109 return gs->gimple_omp_parallel.clauses;
4113 /* Return a pointer to the clauses associated with OMP_TASK GS. */
4115 static inline tree *
4116 gimple_omp_task_clauses_ptr (gimple gs)
4118 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4119 return &gs->gimple_omp_parallel.clauses;
4123 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
4127 gimple_omp_task_set_clauses (gimple gs, tree clauses)
4129 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4130 gs->gimple_omp_parallel.clauses = clauses;
4134 /* Return the child function used to hold the body of OMP_TASK GS. */
4137 gimple_omp_task_child_fn (const_gimple gs)
4139 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4140 return gs->gimple_omp_parallel.child_fn;
4143 /* Return a pointer to the child function used to hold the body of
4146 static inline tree *
4147 gimple_omp_task_child_fn_ptr (gimple gs)
4149 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4150 return &gs->gimple_omp_parallel.child_fn;
4154 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
4157 gimple_omp_task_set_child_fn (gimple gs, tree child_fn)
4159 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4160 gs->gimple_omp_parallel.child_fn = child_fn;
4164 /* Return the artificial argument used to send variables and values
4165 from the parent to the children threads in OMP_TASK GS. */
4168 gimple_omp_task_data_arg (const_gimple gs)
4170 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4171 return gs->gimple_omp_parallel.data_arg;
4175 /* Return a pointer to the data argument for OMP_TASK GS. */
4177 static inline tree *
4178 gimple_omp_task_data_arg_ptr (gimple gs)
4180 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4181 return &gs->gimple_omp_parallel.data_arg;
4185 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
4188 gimple_omp_task_set_data_arg (gimple gs, tree data_arg)
4190 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4191 gs->gimple_omp_parallel.data_arg = data_arg;
4195 /* Return the clauses associated with OMP_TASK GS. */
4198 gimple_omp_taskreg_clauses (const_gimple gs)
4200 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4201 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4202 return gs->gimple_omp_parallel.clauses;
4206 /* Return a pointer to the clauses associated with OMP_TASK GS. */
4208 static inline tree *
4209 gimple_omp_taskreg_clauses_ptr (gimple gs)
4211 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4212 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4213 return &gs->gimple_omp_parallel.clauses;
4217 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
4221 gimple_omp_taskreg_set_clauses (gimple gs, tree clauses)
4223 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4224 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4225 gs->gimple_omp_parallel.clauses = clauses;
4229 /* Return the child function used to hold the body of OMP_TASK GS. */
4232 gimple_omp_taskreg_child_fn (const_gimple gs)
4234 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4235 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4236 return gs->gimple_omp_parallel.child_fn;
4239 /* Return a pointer to the child function used to hold the body of
4242 static inline tree *
4243 gimple_omp_taskreg_child_fn_ptr (gimple gs)
4245 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4246 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4247 return &gs->gimple_omp_parallel.child_fn;
4251 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
4254 gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn)
4256 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4257 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4258 gs->gimple_omp_parallel.child_fn = child_fn;
4262 /* Return the artificial argument used to send variables and values
4263 from the parent to the children threads in OMP_TASK GS. */
4266 gimple_omp_taskreg_data_arg (const_gimple gs)
4268 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4269 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4270 return gs->gimple_omp_parallel.data_arg;
4274 /* Return a pointer to the data argument for OMP_TASK GS. */
4276 static inline tree *
4277 gimple_omp_taskreg_data_arg_ptr (gimple gs)
4279 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4280 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4281 return &gs->gimple_omp_parallel.data_arg;
4285 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
4288 gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg)
4290 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4291 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4292 gs->gimple_omp_parallel.data_arg = data_arg;
4296 /* Return the copy function used to hold the body of OMP_TASK GS. */
4299 gimple_omp_task_copy_fn (const_gimple gs)
4301 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4302 return gs->gimple_omp_task.copy_fn;
4305 /* Return a pointer to the copy function used to hold the body of
4308 static inline tree *
4309 gimple_omp_task_copy_fn_ptr (gimple gs)
4311 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4312 return &gs->gimple_omp_task.copy_fn;
4316 /* Set CHILD_FN to be the copy function for OMP_TASK GS. */
4319 gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn)
4321 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4322 gs->gimple_omp_task.copy_fn = copy_fn;
4326 /* Return size of the data block in bytes in OMP_TASK GS. */
4329 gimple_omp_task_arg_size (const_gimple gs)
4331 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4332 return gs->gimple_omp_task.arg_size;
4336 /* Return a pointer to the data block size for OMP_TASK GS. */
4338 static inline tree *
4339 gimple_omp_task_arg_size_ptr (gimple gs)
4341 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4342 return &gs->gimple_omp_task.arg_size;
4346 /* Set ARG_SIZE to be the data block size for OMP_TASK GS. */
4349 gimple_omp_task_set_arg_size (gimple gs, tree arg_size)
4351 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4352 gs->gimple_omp_task.arg_size = arg_size;
4356 /* Return align of the data block in bytes in OMP_TASK GS. */
4359 gimple_omp_task_arg_align (const_gimple gs)
4361 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4362 return gs->gimple_omp_task.arg_align;
4366 /* Return a pointer to the data block align for OMP_TASK GS. */
4368 static inline tree *
4369 gimple_omp_task_arg_align_ptr (gimple gs)
4371 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4372 return &gs->gimple_omp_task.arg_align;
4376 /* Set ARG_SIZE to be the data block align for OMP_TASK GS. */
4379 gimple_omp_task_set_arg_align (gimple gs, tree arg_align)
4381 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4382 gs->gimple_omp_task.arg_align = arg_align;
4386 /* Return the clauses associated with OMP_SINGLE GS. */
4389 gimple_omp_single_clauses (const_gimple gs)
4391 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4392 return gs->gimple_omp_single.clauses;
4396 /* Return a pointer to the clauses associated with OMP_SINGLE GS. */
4398 static inline tree *
4399 gimple_omp_single_clauses_ptr (gimple gs)
4401 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4402 return &gs->gimple_omp_single.clauses;
4406 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */
4409 gimple_omp_single_set_clauses (gimple gs, tree clauses)
4411 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4412 gs->gimple_omp_single.clauses = clauses;
4416 /* Return the clauses associated with OMP_SECTIONS GS. */
4419 gimple_omp_sections_clauses (const_gimple gs)
4421 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4422 return gs->gimple_omp_sections.clauses;
4426 /* Return a pointer to the clauses associated with OMP_SECTIONS GS. */
4428 static inline tree *
4429 gimple_omp_sections_clauses_ptr (gimple gs)
4431 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4432 return &gs->gimple_omp_sections.clauses;
4436 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS
4440 gimple_omp_sections_set_clauses (gimple gs, tree clauses)
4442 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4443 gs->gimple_omp_sections.clauses = clauses;
4447 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS
4451 gimple_omp_sections_control (const_gimple gs)
4453 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4454 return gs->gimple_omp_sections.control;
4458 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS
4461 static inline tree *
4462 gimple_omp_sections_control_ptr (gimple gs)
4464 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4465 return &gs->gimple_omp_sections.control;
4469 /* Set CONTROL to be the set of clauses associated with the
4470 GIMPLE_OMP_SECTIONS in GS. */
4473 gimple_omp_sections_set_control (gimple gs, tree control)
4475 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4476 gs->gimple_omp_sections.control = control;
4480 /* Set COND to be the condition code for OMP_FOR GS. */
4483 gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond)
4485 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4486 gcc_gimple_checking_assert (TREE_CODE_CLASS (cond) == tcc_comparison
4487 && i < gs->gimple_omp_for.collapse);
4488 gs->gimple_omp_for.iter[i].cond = cond;
4492 /* Return the condition code associated with OMP_FOR GS. */
4494 static inline enum tree_code
4495 gimple_omp_for_cond (const_gimple gs, size_t i)
4497 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4498 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
4499 return gs->gimple_omp_for.iter[i].cond;
4503 /* Set the value being stored in an atomic store. */
4506 gimple_omp_atomic_store_set_val (gimple g, tree val)
4508 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4509 g->gimple_omp_atomic_store.val = val;
4513 /* Return the value being stored in an atomic store. */
4516 gimple_omp_atomic_store_val (const_gimple g)
4518 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4519 return g->gimple_omp_atomic_store.val;
4523 /* Return a pointer to the value being stored in an atomic store. */
4525 static inline tree *
4526 gimple_omp_atomic_store_val_ptr (gimple g)
4528 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4529 return &g->gimple_omp_atomic_store.val;
4533 /* Set the LHS of an atomic load. */
4536 gimple_omp_atomic_load_set_lhs (gimple g, tree lhs)
4538 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4539 g->gimple_omp_atomic_load.lhs = lhs;
4543 /* Get the LHS of an atomic load. */
4546 gimple_omp_atomic_load_lhs (const_gimple g)
4548 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4549 return g->gimple_omp_atomic_load.lhs;
4553 /* Return a pointer to the LHS of an atomic load. */
4555 static inline tree *
4556 gimple_omp_atomic_load_lhs_ptr (gimple g)
4558 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4559 return &g->gimple_omp_atomic_load.lhs;
4563 /* Set the RHS of an atomic load. */
4566 gimple_omp_atomic_load_set_rhs (gimple g, tree rhs)
4568 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4569 g->gimple_omp_atomic_load.rhs = rhs;
4573 /* Get the RHS of an atomic load. */
4576 gimple_omp_atomic_load_rhs (const_gimple g)
4578 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4579 return g->gimple_omp_atomic_load.rhs;
4583 /* Return a pointer to the RHS of an atomic load. */
4585 static inline tree *
4586 gimple_omp_atomic_load_rhs_ptr (gimple g)
4588 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4589 return &g->gimple_omp_atomic_load.rhs;
4593 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4596 gimple_omp_continue_control_def (const_gimple g)
4598 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4599 return g->gimple_omp_continue.control_def;
4602 /* The same as above, but return the address. */
4604 static inline tree *
4605 gimple_omp_continue_control_def_ptr (gimple g)
4607 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4608 return &g->gimple_omp_continue.control_def;
4611 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4614 gimple_omp_continue_set_control_def (gimple g, tree def)
4616 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4617 g->gimple_omp_continue.control_def = def;
4621 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4624 gimple_omp_continue_control_use (const_gimple g)
4626 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4627 return g->gimple_omp_continue.control_use;
4631 /* The same as above, but return the address. */
4633 static inline tree *
4634 gimple_omp_continue_control_use_ptr (gimple g)
4636 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4637 return &g->gimple_omp_continue.control_use;
4641 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4644 gimple_omp_continue_set_control_use (gimple g, tree use)
4646 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4647 g->gimple_omp_continue.control_use = use;
4650 /* Return the body for the GIMPLE_TRANSACTION statement GS. */
4652 static inline gimple_seq
4653 gimple_transaction_body (gimple gs)
4655 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4656 return gs->gimple_transaction.body;
4659 /* Return the label associated with a GIMPLE_TRANSACTION. */
4662 gimple_transaction_label (const_gimple gs)
4664 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4665 return gs->gimple_transaction.label;
4668 static inline tree *
4669 gimple_transaction_label_ptr (gimple gs)
4671 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4672 return &gs->gimple_transaction.label;
4675 /* Return the subcode associated with a GIMPLE_TRANSACTION. */
4677 static inline unsigned int
4678 gimple_transaction_subcode (const_gimple gs)
4680 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4681 return gs->gsbase.subcode;
4684 /* Set BODY to be the body for the GIMPLE_TRANSACTION statement GS. */
4687 gimple_transaction_set_body (gimple gs, gimple_seq body)
4689 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4690 gs->gimple_transaction.body = body;
4693 /* Set the label associated with a GIMPLE_TRANSACTION. */
4696 gimple_transaction_set_label (gimple gs, tree label)
4698 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4699 gs->gimple_transaction.label = label;
4702 /* Set the subcode associated with a GIMPLE_TRANSACTION. */
4705 gimple_transaction_set_subcode (gimple gs, unsigned int subcode)
4707 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4708 gs->gsbase.subcode = subcode;
4712 /* Return a pointer to the return value for GIMPLE_RETURN GS. */
4714 static inline tree *
4715 gimple_return_retval_ptr (const_gimple gs)
4717 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4718 return gimple_op_ptr (gs, 0);
4721 /* Return the return value for GIMPLE_RETURN GS. */
4724 gimple_return_retval (const_gimple gs)
4726 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4727 return gimple_op (gs, 0);
4731 /* Set RETVAL to be the return value for GIMPLE_RETURN GS. */
4734 gimple_return_set_retval (gimple gs, tree retval)
4736 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4737 gimple_set_op (gs, 0, retval);
4741 /* Returns true when the gimple statment STMT is any of the OpenMP types. */
4743 #define CASE_GIMPLE_OMP \
4744 case GIMPLE_OMP_PARALLEL: \
4745 case GIMPLE_OMP_TASK: \
4746 case GIMPLE_OMP_FOR: \
4747 case GIMPLE_OMP_SECTIONS: \
4748 case GIMPLE_OMP_SECTIONS_SWITCH: \
4749 case GIMPLE_OMP_SINGLE: \
4750 case GIMPLE_OMP_SECTION: \
4751 case GIMPLE_OMP_MASTER: \
4752 case GIMPLE_OMP_ORDERED: \
4753 case GIMPLE_OMP_CRITICAL: \
4754 case GIMPLE_OMP_RETURN: \
4755 case GIMPLE_OMP_ATOMIC_LOAD: \
4756 case GIMPLE_OMP_ATOMIC_STORE: \
4757 case GIMPLE_OMP_CONTINUE
4760 is_gimple_omp (const_gimple stmt)
4762 switch (gimple_code (stmt))
4772 /* Returns TRUE if statement G is a GIMPLE_NOP. */
4775 gimple_nop_p (const_gimple g)
4777 return gimple_code (g) == GIMPLE_NOP;
4781 /* Return true if GS is a GIMPLE_RESX. */
4784 is_gimple_resx (const_gimple gs)
4786 return gimple_code (gs) == GIMPLE_RESX;
4789 /* Return the predictor of GIMPLE_PREDICT statement GS. */
4791 static inline enum br_predictor
4792 gimple_predict_predictor (gimple gs)
4794 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4795 return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN);
4799 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */
4802 gimple_predict_set_predictor (gimple gs, enum br_predictor predictor)
4804 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4805 gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN)
4806 | (unsigned) predictor;
4810 /* Return the outcome of GIMPLE_PREDICT statement GS. */
4812 static inline enum prediction
4813 gimple_predict_outcome (gimple gs)
4815 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4816 return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN;
4820 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */
4823 gimple_predict_set_outcome (gimple gs, enum prediction outcome)
4825 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4826 if (outcome == TAKEN)
4827 gs->gsbase.subcode |= GF_PREDICT_TAKEN;
4829 gs->gsbase.subcode &= ~GF_PREDICT_TAKEN;
4833 /* Return the type of the main expression computed by STMT. Return
4834 void_type_node if the statement computes nothing. */
4837 gimple_expr_type (const_gimple stmt)
4839 enum gimple_code code = gimple_code (stmt);
4841 if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL)
4844 /* In general we want to pass out a type that can be substituted
4845 for both the RHS and the LHS types if there is a possibly
4846 useless conversion involved. That means returning the
4847 original RHS type as far as we can reconstruct it. */
4848 if (code == GIMPLE_CALL)
4849 type = gimple_call_return_type (stmt);
4851 switch (gimple_assign_rhs_code (stmt))
4853 case POINTER_PLUS_EXPR:
4854 type = TREE_TYPE (gimple_assign_rhs1 (stmt));
4858 /* As fallback use the type of the LHS. */
4859 type = TREE_TYPE (gimple_get_lhs (stmt));
4864 else if (code == GIMPLE_COND)
4865 return boolean_type_node;
4867 return void_type_node;
4870 /* Return true if TYPE is a suitable type for a scalar register variable. */
4873 is_gimple_reg_type (tree type)
4875 return !AGGREGATE_TYPE_P (type);
4878 /* Return a new iterator pointing to GIMPLE_SEQ's first statement. */
4880 static inline gimple_stmt_iterator
4881 gsi_start (gimple_seq seq)
4883 gimple_stmt_iterator i;
4885 i.ptr = gimple_seq_first (seq);
4887 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4893 /* Return a new iterator pointing to the first statement in basic block BB. */
4895 static inline gimple_stmt_iterator
4896 gsi_start_bb (basic_block bb)
4898 gimple_stmt_iterator i;
4902 i.ptr = gimple_seq_first (seq);
4910 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */
4912 static inline gimple_stmt_iterator
4913 gsi_last (gimple_seq seq)
4915 gimple_stmt_iterator i;
4917 i.ptr = gimple_seq_last (seq);
4919 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4925 /* Return a new iterator pointing to the last statement in basic block BB. */
4927 static inline gimple_stmt_iterator
4928 gsi_last_bb (basic_block bb)
4930 gimple_stmt_iterator i;
4934 i.ptr = gimple_seq_last (seq);
4942 /* Return true if I is at the end of its sequence. */
4945 gsi_end_p (gimple_stmt_iterator i)
4947 return i.ptr == NULL;
4951 /* Return true if I is one statement before the end of its sequence. */
4954 gsi_one_before_end_p (gimple_stmt_iterator i)
4956 return i.ptr != NULL && i.ptr->next == NULL;
4960 /* Advance the iterator to the next gimple statement. */
4963 gsi_next (gimple_stmt_iterator *i)
4965 i->ptr = i->ptr->next;
4968 /* Advance the iterator to the previous gimple statement. */
4971 gsi_prev (gimple_stmt_iterator *i)
4973 i->ptr = i->ptr->prev;
4976 /* Return the current stmt. */
4978 static inline gimple
4979 gsi_stmt (gimple_stmt_iterator i)
4984 /* Return a block statement iterator that points to the first non-label
4985 statement in block BB. */
4987 static inline gimple_stmt_iterator
4988 gsi_after_labels (basic_block bb)
4990 gimple_stmt_iterator gsi = gsi_start_bb (bb);
4992 while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL)
4998 /* Advance the iterator to the next non-debug gimple statement. */
5001 gsi_next_nondebug (gimple_stmt_iterator *i)
5007 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
5010 /* Advance the iterator to the next non-debug gimple statement. */
5013 gsi_prev_nondebug (gimple_stmt_iterator *i)
5019 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
5022 /* Return a new iterator pointing to the first non-debug statement in
5025 static inline gimple_stmt_iterator
5026 gsi_start_nondebug_bb (basic_block bb)
5028 gimple_stmt_iterator i = gsi_start_bb (bb);
5030 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
5031 gsi_next_nondebug (&i);
5036 /* Return a new iterator pointing to the last non-debug statement in
5039 static inline gimple_stmt_iterator
5040 gsi_last_nondebug_bb (basic_block bb)
5042 gimple_stmt_iterator i = gsi_last_bb (bb);
5044 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
5045 gsi_prev_nondebug (&i);
5050 /* Return a pointer to the current stmt.
5052 NOTE: You may want to use gsi_replace on the iterator itself,
5053 as this performs additional bookkeeping that will not be done
5054 if you simply assign through a pointer returned by gsi_stmt_ptr. */
5056 static inline gimple *
5057 gsi_stmt_ptr (gimple_stmt_iterator *i)
5059 return &i->ptr->stmt;
5063 /* Return the basic block associated with this iterator. */
5065 static inline basic_block
5066 gsi_bb (gimple_stmt_iterator i)
5072 /* Return the sequence associated with this iterator. */
5074 static inline gimple_seq
5075 gsi_seq (gimple_stmt_iterator i)
5081 enum gsi_iterator_update
5083 GSI_NEW_STMT, /* Only valid when single statement is added, move
5085 GSI_SAME_STMT, /* Leave the iterator at the same statement. */
5086 GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable
5087 for linking other statements in the same
5091 /* In gimple-iterator.c */
5092 gimple_stmt_iterator gsi_start_phis (basic_block);
5093 gimple_seq gsi_split_seq_after (gimple_stmt_iterator);
5094 gimple_seq gsi_split_seq_before (gimple_stmt_iterator *);
5095 void gsi_replace (gimple_stmt_iterator *, gimple, bool);
5096 void gsi_insert_before (gimple_stmt_iterator *, gimple,
5097 enum gsi_iterator_update);
5098 void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple,
5099 enum gsi_iterator_update);
5100 void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq,
5101 enum gsi_iterator_update);
5102 void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq,
5103 enum gsi_iterator_update);
5104 void gsi_insert_after (gimple_stmt_iterator *, gimple,
5105 enum gsi_iterator_update);
5106 void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple,
5107 enum gsi_iterator_update);
5108 void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq,
5109 enum gsi_iterator_update);
5110 void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq,
5111 enum gsi_iterator_update);
5112 void gsi_remove (gimple_stmt_iterator *, bool);
5113 gimple_stmt_iterator gsi_for_stmt (gimple);
5114 void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *);
5115 void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *);
5116 void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *);
5117 void gsi_insert_on_edge (edge, gimple);
5118 void gsi_insert_seq_on_edge (edge, gimple_seq);
5119 basic_block gsi_insert_on_edge_immediate (edge, gimple);
5120 basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq);
5121 void gsi_commit_one_edge_insert (edge, basic_block *);
5122 void gsi_commit_edge_inserts (void);
5123 gimple gimple_call_copy_skip_args (gimple, bitmap);
5126 /* Convenience routines to walk all statements of a gimple function.
5127 Note that this is useful exclusively before the code is converted
5128 into SSA form. Once the program is in SSA form, the standard
5129 operand interface should be used to analyze/modify statements. */
5130 struct walk_stmt_info
5132 /* Points to the current statement being walked. */
5133 gimple_stmt_iterator gsi;
5135 /* Additional data that the callback functions may want to carry
5136 through the recursion. */
5139 /* Pointer map used to mark visited tree nodes when calling
5140 walk_tree on each operand. If set to NULL, duplicate tree nodes
5141 will be visited more than once. */
5142 struct pointer_set_t *pset;
5144 /* Operand returned by the callbacks. This is set when calling
5145 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback
5146 returns non-NULL, this field will contain the tree returned by
5147 the last callback. */
5148 tree callback_result;
5150 /* Indicates whether the operand being examined may be replaced
5151 with something that matches is_gimple_val (if true) or something
5152 slightly more complicated (if false). "Something" technically
5153 means the common subset of is_gimple_lvalue and is_gimple_rhs,
5154 but we never try to form anything more complicated than that, so
5155 we don't bother checking.
5157 Also note that CALLBACK should update this flag while walking the
5158 sub-expressions of a statement. For instance, when walking the
5159 statement 'foo (&var)', the flag VAL_ONLY will initially be set
5160 to true, however, when walking &var, the operand of that
5161 ADDR_EXPR does not need to be a GIMPLE value. */
5162 BOOL_BITFIELD val_only : 1;
5164 /* True if we are currently walking the LHS of an assignment. */
5165 BOOL_BITFIELD is_lhs : 1;
5167 /* Optional. Set to true by the callback functions if they made any
5169 BOOL_BITFIELD changed : 1;
5171 /* True if we're interested in location information. */
5172 BOOL_BITFIELD want_locations : 1;
5174 /* True if we've removed the statement that was processed. */
5175 BOOL_BITFIELD removed_stmt : 1;
5178 /* Callback for walk_gimple_stmt. Called for every statement found
5179 during traversal. The first argument points to the statement to
5180 walk. The second argument is a flag that the callback sets to
5181 'true' if it the callback handled all the operands and
5182 sub-statements of the statement (the default value of this flag is
5183 'false'). The third argument is an anonymous pointer to data
5184 to be used by the callback. */
5185 typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *,
5186 struct walk_stmt_info *);
5188 gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn,
5189 struct walk_stmt_info *);
5190 tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn,
5191 struct walk_stmt_info *);
5192 tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *);
5194 #ifdef GATHER_STATISTICS
5195 /* Enum and arrays used for allocation stats. Keep in sync with
5196 gimple.c:gimple_alloc_kind_names. */
5197 enum gimple_alloc_kind
5199 gimple_alloc_kind_assign, /* Assignments. */
5200 gimple_alloc_kind_phi, /* PHI nodes. */
5201 gimple_alloc_kind_cond, /* Conditionals. */
5202 gimple_alloc_kind_seq, /* Sequences. */
5203 gimple_alloc_kind_rest, /* Everything else. */
5204 gimple_alloc_kind_all
5207 extern int gimple_alloc_counts[];
5208 extern int gimple_alloc_sizes[];
5210 /* Return the allocation kind for a given stmt CODE. */
5211 static inline enum gimple_alloc_kind
5212 gimple_alloc_kind (enum gimple_code code)
5217 return gimple_alloc_kind_assign;
5219 return gimple_alloc_kind_phi;
5221 return gimple_alloc_kind_cond;
5223 return gimple_alloc_kind_rest;
5226 #endif /* GATHER_STATISTICS */
5228 extern void dump_gimple_statistics (void);
5230 /* In gimple-fold.c. */
5231 void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree);
5232 tree gimple_fold_builtin (gimple);
5233 bool fold_stmt (gimple_stmt_iterator *);
5234 bool fold_stmt_inplace (gimple_stmt_iterator *);
5235 tree get_symbol_constant_value (tree);
5236 tree canonicalize_constructor_val (tree);
5237 extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree,
5238 enum tree_code, tree, tree);
5239 extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree,
5240 enum tree_code, tree, tree);
5242 bool gimple_val_nonnegative_real_p (tree);
5243 #endif /* GCC_GIMPLE_H */