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_class_p (gimple, enum built_in_class);
1027 extern bool gimple_call_builtin_p (gimple, enum built_in_function);
1028 extern bool gimple_asm_clobbers_memory_p (const_gimple);
1031 extern tree create_tmp_var_raw (tree, const char *);
1032 extern tree create_tmp_var_name (const char *);
1033 extern tree create_tmp_var (tree, const char *);
1034 extern tree create_tmp_reg (tree, const char *);
1035 extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *);
1036 extern tree get_formal_tmp_var (tree, gimple_seq *);
1037 extern void declare_vars (tree, gimple, bool);
1038 extern void annotate_all_with_location (gimple_seq, location_t);
1040 /* Validation of GIMPLE expressions. Note that these predicates only check
1041 the basic form of the expression, they don't recurse to make sure that
1042 underlying nodes are also of the right form. */
1043 typedef bool (*gimple_predicate)(tree);
1046 /* FIXME we should deduce this from the predicate. */
1048 fb_none = 0, /* Do not generate a temporary. */
1050 fb_rvalue = 1, /* Generate an rvalue to hold the result of a
1051 gimplified expression. */
1053 fb_lvalue = 2, /* Generate an lvalue to hold the result of a
1054 gimplified expression. */
1056 fb_mayfail = 4, /* Gimplification may fail. Error issued
1058 fb_either= fb_rvalue | fb_lvalue
1061 typedef int fallback_t;
1063 enum gimplify_status {
1064 GS_ERROR = -2, /* Something Bad Seen. */
1065 GS_UNHANDLED = -1, /* A langhook result for "I dunno". */
1066 GS_OK = 0, /* We did something, maybe more to do. */
1067 GS_ALL_DONE = 1 /* The expression is fully gimplified. */
1072 struct gimplify_ctx *prev_context;
1074 VEC(gimple,heap) *bind_expr_stack;
1076 gimple_seq conditional_cleanups;
1080 VEC(tree,heap) *case_labels;
1081 /* The formal temporary table. Should this be persistent? */
1087 bool allow_rhs_cond_expr;
1088 bool in_cleanup_point_expr;
1091 /* Return true if gimplify_one_sizepos doesn't need to gimplify
1092 expr (when in TYPE_SIZE{,_UNIT} and similar type/decl size/bitsize
1095 is_gimple_sizepos (tree expr)
1097 /* gimplify_one_sizepos doesn't need to do anything if the value isn't there,
1098 is constant, or contains A PLACEHOLDER_EXPR. We also don't want to do
1099 anything if it's already a VAR_DECL. If it's a VAR_DECL from another
1100 function, the gimplifier will want to replace it with a new variable,
1101 but that will cause problems if this type is from outside the function.
1102 It's OK to have that here. */
1103 return (expr == NULL_TREE
1104 || TREE_CONSTANT (expr)
1105 || TREE_CODE (expr) == VAR_DECL
1106 || CONTAINS_PLACEHOLDER_P (expr));
1109 extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *,
1110 bool (*) (tree), fallback_t);
1111 extern void gimplify_type_sizes (tree, gimple_seq *);
1112 extern void gimplify_one_sizepos (tree *, gimple_seq *);
1113 extern bool gimplify_stmt (tree *, gimple_seq *);
1114 extern gimple gimplify_body (tree, bool);
1115 extern void push_gimplify_context (struct gimplify_ctx *);
1116 extern void pop_gimplify_context (gimple);
1117 extern void gimplify_and_add (tree, gimple_seq *);
1119 /* Miscellaneous helpers. */
1120 extern void gimple_add_tmp_var (tree);
1121 extern gimple gimple_current_bind_expr (void);
1122 extern VEC(gimple, heap) *gimple_bind_expr_stack (void);
1123 extern tree voidify_wrapper_expr (tree, tree);
1124 extern tree build_and_jump (tree *);
1125 extern tree force_labels_r (tree *, int *, void *);
1126 extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *,
1128 struct gimplify_omp_ctx;
1129 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree);
1130 extern tree gimple_boolify (tree);
1131 extern gimple_predicate rhs_predicate_for (tree);
1132 extern tree canonicalize_cond_expr_cond (tree);
1135 extern tree omp_reduction_init (tree, tree);
1137 /* In trans-mem.c. */
1138 extern void diagnose_tm_safe_errors (tree);
1139 extern void compute_transaction_bits (void);
1141 /* In tree-nested.c. */
1142 extern void lower_nested_functions (tree);
1143 extern void insert_field_into_struct (tree, tree);
1145 /* In gimplify.c. */
1146 extern void gimplify_function_tree (tree);
1148 /* In cfgexpand.c. */
1149 extern tree gimple_assign_rhs_to_tree (gimple);
1152 extern bool validate_gimple_arglist (const_gimple, ...);
1155 extern bool tree_ssa_useless_type_conversion (tree);
1156 extern tree tree_ssa_strip_useless_type_conversions (tree);
1157 extern bool useless_type_conversion_p (tree, tree);
1158 extern bool types_compatible_p (tree, tree);
1160 /* Return the code for GIMPLE statement G. */
1162 static inline enum gimple_code
1163 gimple_code (const_gimple g)
1165 return g->gsbase.code;
1169 /* Return the GSS code used by a GIMPLE code. */
1171 static inline enum gimple_statement_structure_enum
1172 gss_for_code (enum gimple_code code)
1174 gcc_gimple_checking_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE);
1175 return gss_for_code_[code];
1179 /* Return which GSS code is used by GS. */
1181 static inline enum gimple_statement_structure_enum
1182 gimple_statement_structure (gimple gs)
1184 return gss_for_code (gimple_code (gs));
1188 /* Return true if statement G has sub-statements. This is only true for
1189 High GIMPLE statements. */
1192 gimple_has_substatements (gimple g)
1194 switch (gimple_code (g))
1198 case GIMPLE_EH_FILTER:
1199 case GIMPLE_EH_ELSE:
1201 case GIMPLE_OMP_FOR:
1202 case GIMPLE_OMP_MASTER:
1203 case GIMPLE_OMP_ORDERED:
1204 case GIMPLE_OMP_SECTION:
1205 case GIMPLE_OMP_PARALLEL:
1206 case GIMPLE_OMP_TASK:
1207 case GIMPLE_OMP_SECTIONS:
1208 case GIMPLE_OMP_SINGLE:
1209 case GIMPLE_OMP_CRITICAL:
1210 case GIMPLE_WITH_CLEANUP_EXPR:
1211 case GIMPLE_TRANSACTION:
1220 /* Return the basic block holding statement G. */
1222 static inline struct basic_block_def *
1223 gimple_bb (const_gimple g)
1225 return g->gsbase.bb;
1229 /* Return the lexical scope block holding statement G. */
1232 gimple_block (const_gimple g)
1234 return g->gsbase.block;
1238 /* Set BLOCK to be the lexical scope block holding statement G. */
1241 gimple_set_block (gimple g, tree block)
1243 g->gsbase.block = block;
1247 /* Return location information for statement G. */
1249 static inline location_t
1250 gimple_location (const_gimple g)
1252 return g->gsbase.location;
1255 /* Return pointer to location information for statement G. */
1257 static inline const location_t *
1258 gimple_location_ptr (const_gimple g)
1260 return &g->gsbase.location;
1264 /* Set location information for statement G. */
1267 gimple_set_location (gimple g, location_t location)
1269 g->gsbase.location = location;
1273 /* Return true if G contains location information. */
1276 gimple_has_location (const_gimple g)
1278 return gimple_location (g) != UNKNOWN_LOCATION;
1282 /* Return the file name of the location of STMT. */
1284 static inline const char *
1285 gimple_filename (const_gimple stmt)
1287 return LOCATION_FILE (gimple_location (stmt));
1291 /* Return the line number of the location of STMT. */
1294 gimple_lineno (const_gimple stmt)
1296 return LOCATION_LINE (gimple_location (stmt));
1300 /* Determine whether SEQ is a singleton. */
1303 gimple_seq_singleton_p (gimple_seq seq)
1305 return ((gimple_seq_first (seq) != NULL)
1306 && (gimple_seq_first (seq) == gimple_seq_last (seq)));
1309 /* Return true if no warnings should be emitted for statement STMT. */
1312 gimple_no_warning_p (const_gimple stmt)
1314 return stmt->gsbase.no_warning;
1317 /* Set the no_warning flag of STMT to NO_WARNING. */
1320 gimple_set_no_warning (gimple stmt, bool no_warning)
1322 stmt->gsbase.no_warning = (unsigned) no_warning;
1325 /* Set the visited status on statement STMT to VISITED_P. */
1328 gimple_set_visited (gimple stmt, bool visited_p)
1330 stmt->gsbase.visited = (unsigned) visited_p;
1334 /* Return the visited status for statement STMT. */
1337 gimple_visited_p (gimple stmt)
1339 return stmt->gsbase.visited;
1343 /* Set pass local flag PLF on statement STMT to VAL_P. */
1346 gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p)
1349 stmt->gsbase.plf |= (unsigned int) plf;
1351 stmt->gsbase.plf &= ~((unsigned int) plf);
1355 /* Return the value of pass local flag PLF on statement STMT. */
1357 static inline unsigned int
1358 gimple_plf (gimple stmt, enum plf_mask plf)
1360 return stmt->gsbase.plf & ((unsigned int) plf);
1364 /* Set the UID of statement. */
1367 gimple_set_uid (gimple g, unsigned uid)
1369 g->gsbase.uid = uid;
1373 /* Return the UID of statement. */
1375 static inline unsigned
1376 gimple_uid (const_gimple g)
1378 return g->gsbase.uid;
1382 /* Return true if GIMPLE statement G has register or memory operands. */
1385 gimple_has_ops (const_gimple g)
1387 return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN;
1391 /* Return true if GIMPLE statement G has memory operands. */
1394 gimple_has_mem_ops (const_gimple g)
1396 return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN;
1400 /* Return the set of DEF operands for statement G. */
1402 static inline struct def_optype_d *
1403 gimple_def_ops (const_gimple g)
1405 if (!gimple_has_ops (g))
1407 return g->gsops.opbase.def_ops;
1411 /* Set DEF to be the set of DEF operands for statement G. */
1414 gimple_set_def_ops (gimple g, struct def_optype_d *def)
1416 gcc_gimple_checking_assert (gimple_has_ops (g));
1417 g->gsops.opbase.def_ops = def;
1421 /* Return the set of USE operands for statement G. */
1423 static inline struct use_optype_d *
1424 gimple_use_ops (const_gimple g)
1426 if (!gimple_has_ops (g))
1428 return g->gsops.opbase.use_ops;
1432 /* Set USE to be the set of USE operands for statement G. */
1435 gimple_set_use_ops (gimple g, struct use_optype_d *use)
1437 gcc_gimple_checking_assert (gimple_has_ops (g));
1438 g->gsops.opbase.use_ops = use;
1442 /* Return the set of VUSE operand for statement G. */
1444 static inline use_operand_p
1445 gimple_vuse_op (const_gimple g)
1447 struct use_optype_d *ops;
1448 if (!gimple_has_mem_ops (g))
1449 return NULL_USE_OPERAND_P;
1450 ops = g->gsops.opbase.use_ops;
1452 && USE_OP_PTR (ops)->use == &g->gsmembase.vuse)
1453 return USE_OP_PTR (ops);
1454 return NULL_USE_OPERAND_P;
1457 /* Return the set of VDEF operand for statement G. */
1459 static inline def_operand_p
1460 gimple_vdef_op (const_gimple g)
1462 struct def_optype_d *ops;
1463 if (!gimple_has_mem_ops (g))
1464 return NULL_DEF_OPERAND_P;
1465 ops = g->gsops.opbase.def_ops;
1467 && DEF_OP_PTR (ops) == &g->gsmembase.vdef)
1468 return DEF_OP_PTR (ops);
1469 return NULL_DEF_OPERAND_P;
1473 /* Return the single VUSE operand of the statement G. */
1476 gimple_vuse (const_gimple g)
1478 if (!gimple_has_mem_ops (g))
1480 return g->gsmembase.vuse;
1483 /* Return the single VDEF operand of the statement G. */
1486 gimple_vdef (const_gimple g)
1488 if (!gimple_has_mem_ops (g))
1490 return g->gsmembase.vdef;
1493 /* Return the single VUSE operand of the statement G. */
1495 static inline tree *
1496 gimple_vuse_ptr (gimple g)
1498 if (!gimple_has_mem_ops (g))
1500 return &g->gsmembase.vuse;
1503 /* Return the single VDEF operand of the statement G. */
1505 static inline tree *
1506 gimple_vdef_ptr (gimple g)
1508 if (!gimple_has_mem_ops (g))
1510 return &g->gsmembase.vdef;
1513 /* Set the single VUSE operand of the statement G. */
1516 gimple_set_vuse (gimple g, tree vuse)
1518 gcc_gimple_checking_assert (gimple_has_mem_ops (g));
1519 g->gsmembase.vuse = vuse;
1522 /* Set the single VDEF operand of the statement G. */
1525 gimple_set_vdef (gimple g, tree vdef)
1527 gcc_gimple_checking_assert (gimple_has_mem_ops (g));
1528 g->gsmembase.vdef = vdef;
1532 /* Return true if statement G has operands and the modified field has
1536 gimple_modified_p (const_gimple g)
1538 return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false;
1542 /* Return the tree code for the expression computed by STMT. This is
1543 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For
1544 GIMPLE_CALL, return CALL_EXPR as the expression code for
1545 consistency. This is useful when the caller needs to deal with the
1546 three kinds of computation that GIMPLE supports. */
1548 static inline enum tree_code
1549 gimple_expr_code (const_gimple stmt)
1551 enum gimple_code code = gimple_code (stmt);
1552 if (code == GIMPLE_ASSIGN || code == GIMPLE_COND)
1553 return (enum tree_code) stmt->gsbase.subcode;
1556 gcc_gimple_checking_assert (code == GIMPLE_CALL);
1562 /* Mark statement S as modified, and update it. */
1565 update_stmt (gimple s)
1567 if (gimple_has_ops (s))
1569 gimple_set_modified (s, true);
1570 update_stmt_operands (s);
1574 /* Update statement S if it has been optimized. */
1577 update_stmt_if_modified (gimple s)
1579 if (gimple_modified_p (s))
1580 update_stmt_operands (s);
1583 /* Return true if statement STMT contains volatile operands. */
1586 gimple_has_volatile_ops (const_gimple stmt)
1588 if (gimple_has_mem_ops (stmt))
1589 return stmt->gsbase.has_volatile_ops;
1595 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */
1598 gimple_set_has_volatile_ops (gimple stmt, bool volatilep)
1600 if (gimple_has_mem_ops (stmt))
1601 stmt->gsbase.has_volatile_ops = (unsigned) volatilep;
1604 /* Return true if BB is in a transaction. */
1607 block_in_transaction (basic_block bb)
1609 return flag_tm && bb->flags & BB_IN_TRANSACTION;
1612 /* Return true if STMT is in a transaction. */
1615 gimple_in_transaction (gimple stmt)
1617 return block_in_transaction (gimple_bb (stmt));
1620 /* Return true if statement STMT may access memory. */
1623 gimple_references_memory_p (gimple stmt)
1625 return gimple_has_mem_ops (stmt) && gimple_vuse (stmt);
1629 /* Return the subcode for OMP statement S. */
1631 static inline unsigned
1632 gimple_omp_subcode (const_gimple s)
1634 gcc_gimple_checking_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD
1635 && gimple_code (s) <= GIMPLE_OMP_SINGLE);
1636 return s->gsbase.subcode;
1639 /* Set the subcode for OMP statement S to SUBCODE. */
1642 gimple_omp_set_subcode (gimple s, unsigned int subcode)
1644 /* We only have 16 bits for the subcode. Assert that we are not
1646 gcc_gimple_checking_assert (subcode < (1 << 16));
1647 s->gsbase.subcode = subcode;
1650 /* Set the nowait flag on OMP_RETURN statement S. */
1653 gimple_omp_return_set_nowait (gimple s)
1655 GIMPLE_CHECK (s, GIMPLE_OMP_RETURN);
1656 s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT;
1660 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT
1664 gimple_omp_return_nowait_p (const_gimple g)
1666 GIMPLE_CHECK (g, GIMPLE_OMP_RETURN);
1667 return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0;
1671 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST
1675 gimple_omp_section_last_p (const_gimple g)
1677 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1678 return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0;
1682 /* Set the GF_OMP_SECTION_LAST flag on G. */
1685 gimple_omp_section_set_last (gimple g)
1687 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1688 g->gsbase.subcode |= GF_OMP_SECTION_LAST;
1692 /* Return true if OMP parallel statement G has the
1693 GF_OMP_PARALLEL_COMBINED flag set. */
1696 gimple_omp_parallel_combined_p (const_gimple g)
1698 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1699 return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0;
1703 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean
1704 value of COMBINED_P. */
1707 gimple_omp_parallel_set_combined_p (gimple g, bool combined_p)
1709 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1711 g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED;
1713 g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED;
1717 /* Return true if OMP atomic load/store statement G has the
1718 GF_OMP_ATOMIC_NEED_VALUE flag set. */
1721 gimple_omp_atomic_need_value_p (const_gimple g)
1723 if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD)
1724 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
1725 return (gimple_omp_subcode (g) & GF_OMP_ATOMIC_NEED_VALUE) != 0;
1729 /* Set the GF_OMP_ATOMIC_NEED_VALUE flag on G. */
1732 gimple_omp_atomic_set_need_value (gimple g)
1734 if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD)
1735 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
1736 g->gsbase.subcode |= GF_OMP_ATOMIC_NEED_VALUE;
1740 /* Return the number of operands for statement GS. */
1742 static inline unsigned
1743 gimple_num_ops (const_gimple gs)
1745 return gs->gsbase.num_ops;
1749 /* Set the number of operands for statement GS. */
1752 gimple_set_num_ops (gimple gs, unsigned num_ops)
1754 gs->gsbase.num_ops = num_ops;
1758 /* Return the array of operands for statement GS. */
1760 static inline tree *
1761 gimple_ops (gimple gs)
1765 /* All the tuples have their operand vector at the very bottom
1766 of the structure. Note that those structures that do not
1767 have an operand vector have a zero offset. */
1768 off = gimple_ops_offset_[gimple_statement_structure (gs)];
1769 gcc_gimple_checking_assert (off != 0);
1771 return (tree *) ((char *) gs + off);
1775 /* Return operand I for statement GS. */
1778 gimple_op (const_gimple gs, unsigned i)
1780 if (gimple_has_ops (gs))
1782 gcc_gimple_checking_assert (i < gimple_num_ops (gs));
1783 return gimple_ops (CONST_CAST_GIMPLE (gs))[i];
1789 /* Return a pointer to operand I for statement GS. */
1791 static inline tree *
1792 gimple_op_ptr (const_gimple gs, unsigned i)
1794 if (gimple_has_ops (gs))
1796 gcc_gimple_checking_assert (i < gimple_num_ops (gs));
1797 return gimple_ops (CONST_CAST_GIMPLE (gs)) + i;
1803 /* Set operand I of statement GS to OP. */
1806 gimple_set_op (gimple gs, unsigned i, tree op)
1808 gcc_gimple_checking_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs));
1810 /* Note. It may be tempting to assert that OP matches
1811 is_gimple_operand, but that would be wrong. Different tuples
1812 accept slightly different sets of tree operands. Each caller
1813 should perform its own validation. */
1814 gimple_ops (gs)[i] = op;
1817 /* Return true if GS is a GIMPLE_ASSIGN. */
1820 is_gimple_assign (const_gimple gs)
1822 return gimple_code (gs) == GIMPLE_ASSIGN;
1825 /* Determine if expression CODE is one of the valid expressions that can
1826 be used on the RHS of GIMPLE assignments. */
1828 static inline enum gimple_rhs_class
1829 get_gimple_rhs_class (enum tree_code code)
1831 return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code];
1834 /* Return the LHS of assignment statement GS. */
1837 gimple_assign_lhs (const_gimple gs)
1839 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1840 return gimple_op (gs, 0);
1844 /* Return a pointer to the LHS of assignment statement GS. */
1846 static inline tree *
1847 gimple_assign_lhs_ptr (const_gimple gs)
1849 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1850 return gimple_op_ptr (gs, 0);
1854 /* Set LHS to be the LHS operand of assignment statement GS. */
1857 gimple_assign_set_lhs (gimple gs, tree lhs)
1859 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1860 gimple_set_op (gs, 0, lhs);
1862 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1863 SSA_NAME_DEF_STMT (lhs) = gs;
1867 /* Return the first operand on the RHS of assignment statement GS. */
1870 gimple_assign_rhs1 (const_gimple gs)
1872 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1873 return gimple_op (gs, 1);
1877 /* Return a pointer to the first operand on the RHS of assignment
1880 static inline tree *
1881 gimple_assign_rhs1_ptr (const_gimple gs)
1883 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1884 return gimple_op_ptr (gs, 1);
1887 /* Set RHS to be the first operand on the RHS of assignment statement GS. */
1890 gimple_assign_set_rhs1 (gimple gs, tree rhs)
1892 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1894 gimple_set_op (gs, 1, rhs);
1898 /* Return the second operand on the RHS of assignment statement GS.
1899 If GS does not have two operands, NULL is returned instead. */
1902 gimple_assign_rhs2 (const_gimple gs)
1904 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1906 if (gimple_num_ops (gs) >= 3)
1907 return gimple_op (gs, 2);
1913 /* Return a pointer to the second operand on the RHS of assignment
1916 static inline tree *
1917 gimple_assign_rhs2_ptr (const_gimple gs)
1919 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1920 return gimple_op_ptr (gs, 2);
1924 /* Set RHS to be the second operand on the RHS of assignment statement GS. */
1927 gimple_assign_set_rhs2 (gimple gs, tree rhs)
1929 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1931 gimple_set_op (gs, 2, rhs);
1934 /* Return the third operand on the RHS of assignment statement GS.
1935 If GS does not have two operands, NULL is returned instead. */
1938 gimple_assign_rhs3 (const_gimple gs)
1940 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1942 if (gimple_num_ops (gs) >= 4)
1943 return gimple_op (gs, 3);
1948 /* Return a pointer to the third operand on the RHS of assignment
1951 static inline tree *
1952 gimple_assign_rhs3_ptr (const_gimple gs)
1954 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1955 return gimple_op_ptr (gs, 3);
1959 /* Set RHS to be the third operand on the RHS of assignment statement GS. */
1962 gimple_assign_set_rhs3 (gimple gs, tree rhs)
1964 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1966 gimple_set_op (gs, 3, rhs);
1969 /* A wrapper around gimple_assign_set_rhs_with_ops_1, for callers which expect
1970 to see only a maximum of two operands. */
1973 gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *gsi, enum tree_code code,
1976 gimple_assign_set_rhs_with_ops_1 (gsi, code, op1, op2, NULL);
1979 /* A wrapper around extract_ops_from_tree_1, for callers which expect
1980 to see only a maximum of two operands. */
1983 extract_ops_from_tree (tree expr, enum tree_code *code, tree *op0,
1987 extract_ops_from_tree_1 (expr, code, op0, op1, &op2);
1988 gcc_assert (op2 == NULL_TREE);
1991 /* Returns true if GS is a nontemporal move. */
1994 gimple_assign_nontemporal_move_p (const_gimple gs)
1996 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1997 return gs->gsbase.nontemporal_move;
2000 /* Sets nontemporal move flag of GS to NONTEMPORAL. */
2003 gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal)
2005 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
2006 gs->gsbase.nontemporal_move = nontemporal;
2010 /* Return the code of the expression computed on the rhs of assignment
2011 statement GS. In case that the RHS is a single object, returns the
2012 tree code of the object. */
2014 static inline enum tree_code
2015 gimple_assign_rhs_code (const_gimple gs)
2017 enum tree_code code;
2018 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
2020 code = (enum tree_code) gs->gsbase.subcode;
2021 /* While we initially set subcode to the TREE_CODE of the rhs for
2022 GIMPLE_SINGLE_RHS assigns we do not update that subcode to stay
2023 in sync when we rewrite stmts into SSA form or do SSA propagations. */
2024 if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS)
2025 code = TREE_CODE (gimple_assign_rhs1 (gs));
2031 /* Set CODE to be the code for the expression computed on the RHS of
2035 gimple_assign_set_rhs_code (gimple s, enum tree_code code)
2037 GIMPLE_CHECK (s, GIMPLE_ASSIGN);
2038 s->gsbase.subcode = code;
2042 /* Return the gimple rhs class of the code of the expression computed on
2043 the rhs of assignment statement GS.
2044 This will never return GIMPLE_INVALID_RHS. */
2046 static inline enum gimple_rhs_class
2047 gimple_assign_rhs_class (const_gimple gs)
2049 return get_gimple_rhs_class (gimple_assign_rhs_code (gs));
2052 /* Return true if GS is an assignment with a singleton RHS, i.e.,
2053 there is no operator associated with the assignment itself.
2054 Unlike gimple_assign_copy_p, this predicate returns true for
2055 any RHS operand, including those that perform an operation
2056 and do not have the semantics of a copy, such as COND_EXPR. */
2059 gimple_assign_single_p (gimple gs)
2061 return (is_gimple_assign (gs)
2062 && gimple_assign_rhs_class (gs) == GIMPLE_SINGLE_RHS);
2066 /* Return true if S is a type-cast assignment. */
2069 gimple_assign_cast_p (gimple s)
2071 if (is_gimple_assign (s))
2073 enum tree_code sc = gimple_assign_rhs_code (s);
2074 return CONVERT_EXPR_CODE_P (sc)
2075 || sc == VIEW_CONVERT_EXPR
2076 || sc == FIX_TRUNC_EXPR;
2082 /* Return true if S is a clobber statement. */
2085 gimple_clobber_p (gimple s)
2087 return gimple_assign_single_p (s)
2088 && TREE_CLOBBER_P (gimple_assign_rhs1 (s));
2091 /* Return true if GS is a GIMPLE_CALL. */
2094 is_gimple_call (const_gimple gs)
2096 return gimple_code (gs) == GIMPLE_CALL;
2099 /* Return the LHS of call statement GS. */
2102 gimple_call_lhs (const_gimple gs)
2104 GIMPLE_CHECK (gs, GIMPLE_CALL);
2105 return gimple_op (gs, 0);
2109 /* Return a pointer to the LHS of call statement GS. */
2111 static inline tree *
2112 gimple_call_lhs_ptr (const_gimple gs)
2114 GIMPLE_CHECK (gs, GIMPLE_CALL);
2115 return gimple_op_ptr (gs, 0);
2119 /* Set LHS to be the LHS operand of call statement GS. */
2122 gimple_call_set_lhs (gimple gs, tree lhs)
2124 GIMPLE_CHECK (gs, GIMPLE_CALL);
2125 gimple_set_op (gs, 0, lhs);
2126 if (lhs && TREE_CODE (lhs) == SSA_NAME)
2127 SSA_NAME_DEF_STMT (lhs) = gs;
2131 /* Return true if call GS calls an internal-only function, as enumerated
2135 gimple_call_internal_p (const_gimple gs)
2137 GIMPLE_CHECK (gs, GIMPLE_CALL);
2138 return (gs->gsbase.subcode & GF_CALL_INTERNAL) != 0;
2142 /* Return the target of internal call GS. */
2144 static inline enum internal_fn
2145 gimple_call_internal_fn (const_gimple gs)
2147 gcc_gimple_checking_assert (gimple_call_internal_p (gs));
2148 return gs->gimple_call.u.internal_fn;
2152 /* Return the function type of the function called by GS. */
2155 gimple_call_fntype (const_gimple gs)
2157 GIMPLE_CHECK (gs, GIMPLE_CALL);
2158 if (gimple_call_internal_p (gs))
2160 return gs->gimple_call.u.fntype;
2163 /* Set the type of the function called by GS to FNTYPE. */
2166 gimple_call_set_fntype (gimple gs, tree fntype)
2168 GIMPLE_CHECK (gs, GIMPLE_CALL);
2169 gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
2170 gs->gimple_call.u.fntype = fntype;
2174 /* Return the tree node representing the function called by call
2178 gimple_call_fn (const_gimple gs)
2180 GIMPLE_CHECK (gs, GIMPLE_CALL);
2181 return gimple_op (gs, 1);
2184 /* Return a pointer to the tree node representing the function called by call
2187 static inline tree *
2188 gimple_call_fn_ptr (const_gimple gs)
2190 GIMPLE_CHECK (gs, GIMPLE_CALL);
2191 return gimple_op_ptr (gs, 1);
2195 /* Set FN to be the function called by call statement GS. */
2198 gimple_call_set_fn (gimple gs, tree fn)
2200 GIMPLE_CHECK (gs, GIMPLE_CALL);
2201 gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
2202 gimple_set_op (gs, 1, fn);
2206 /* Set FNDECL to be the function called by call statement GS. */
2209 gimple_call_set_fndecl (gimple gs, tree decl)
2211 GIMPLE_CHECK (gs, GIMPLE_CALL);
2212 gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
2213 gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl));
2217 /* Set internal function FN to be the function called by call statement GS. */
2220 gimple_call_set_internal_fn (gimple gs, enum internal_fn fn)
2222 GIMPLE_CHECK (gs, GIMPLE_CALL);
2223 gcc_gimple_checking_assert (gimple_call_internal_p (gs));
2224 gs->gimple_call.u.internal_fn = fn;
2228 /* Given a valid GIMPLE_CALL function address return the FUNCTION_DECL
2229 associated with the callee if known. Otherwise return NULL_TREE. */
2232 gimple_call_addr_fndecl (const_tree fn)
2234 if (fn && TREE_CODE (fn) == ADDR_EXPR)
2236 tree fndecl = TREE_OPERAND (fn, 0);
2237 if (TREE_CODE (fndecl) == MEM_REF
2238 && TREE_CODE (TREE_OPERAND (fndecl, 0)) == ADDR_EXPR
2239 && integer_zerop (TREE_OPERAND (fndecl, 1)))
2240 fndecl = TREE_OPERAND (TREE_OPERAND (fndecl, 0), 0);
2241 if (TREE_CODE (fndecl) == FUNCTION_DECL)
2247 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it.
2248 Otherwise return NULL. This function is analogous to
2249 get_callee_fndecl in tree land. */
2252 gimple_call_fndecl (const_gimple gs)
2254 return gimple_call_addr_fndecl (gimple_call_fn (gs));
2258 /* Return the type returned by call statement GS. */
2261 gimple_call_return_type (const_gimple gs)
2263 tree type = gimple_call_fntype (gs);
2265 if (type == NULL_TREE)
2266 return TREE_TYPE (gimple_call_lhs (gs));
2268 /* The type returned by a function is the type of its
2270 return TREE_TYPE (type);
2274 /* Return the static chain for call statement GS. */
2277 gimple_call_chain (const_gimple gs)
2279 GIMPLE_CHECK (gs, GIMPLE_CALL);
2280 return gimple_op (gs, 2);
2284 /* Return a pointer to the static chain for call statement GS. */
2286 static inline tree *
2287 gimple_call_chain_ptr (const_gimple gs)
2289 GIMPLE_CHECK (gs, GIMPLE_CALL);
2290 return gimple_op_ptr (gs, 2);
2293 /* Set CHAIN to be the static chain for call statement GS. */
2296 gimple_call_set_chain (gimple gs, tree chain)
2298 GIMPLE_CHECK (gs, GIMPLE_CALL);
2300 gimple_set_op (gs, 2, chain);
2304 /* Return the number of arguments used by call statement GS. */
2306 static inline unsigned
2307 gimple_call_num_args (const_gimple gs)
2310 GIMPLE_CHECK (gs, GIMPLE_CALL);
2311 num_ops = gimple_num_ops (gs);
2316 /* Return the argument at position INDEX for call statement GS. */
2319 gimple_call_arg (const_gimple gs, unsigned index)
2321 GIMPLE_CHECK (gs, GIMPLE_CALL);
2322 return gimple_op (gs, index + 3);
2326 /* Return a pointer to the argument at position INDEX for call
2329 static inline tree *
2330 gimple_call_arg_ptr (const_gimple gs, unsigned index)
2332 GIMPLE_CHECK (gs, GIMPLE_CALL);
2333 return gimple_op_ptr (gs, index + 3);
2337 /* Set ARG to be the argument at position INDEX for call statement GS. */
2340 gimple_call_set_arg (gimple gs, unsigned index, tree arg)
2342 GIMPLE_CHECK (gs, GIMPLE_CALL);
2343 gimple_set_op (gs, index + 3, arg);
2347 /* If TAIL_P is true, mark call statement S as being a tail call
2348 (i.e., a call just before the exit of a function). These calls are
2349 candidate for tail call optimization. */
2352 gimple_call_set_tail (gimple s, bool tail_p)
2354 GIMPLE_CHECK (s, GIMPLE_CALL);
2356 s->gsbase.subcode |= GF_CALL_TAILCALL;
2358 s->gsbase.subcode &= ~GF_CALL_TAILCALL;
2362 /* Return true if GIMPLE_CALL S is marked as a tail call. */
2365 gimple_call_tail_p (gimple s)
2367 GIMPLE_CHECK (s, GIMPLE_CALL);
2368 return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0;
2372 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return
2373 slot optimization. This transformation uses the target of the call
2374 expansion as the return slot for calls that return in memory. */
2377 gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p)
2379 GIMPLE_CHECK (s, GIMPLE_CALL);
2380 if (return_slot_opt_p)
2381 s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT;
2383 s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT;
2387 /* Return true if S is marked for return slot optimization. */
2390 gimple_call_return_slot_opt_p (gimple s)
2392 GIMPLE_CHECK (s, GIMPLE_CALL);
2393 return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0;
2397 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a
2398 thunk to the thunked-to function. */
2401 gimple_call_set_from_thunk (gimple s, bool from_thunk_p)
2403 GIMPLE_CHECK (s, GIMPLE_CALL);
2405 s->gsbase.subcode |= GF_CALL_FROM_THUNK;
2407 s->gsbase.subcode &= ~GF_CALL_FROM_THUNK;
2411 /* Return true if GIMPLE_CALL S is a jump from a thunk. */
2414 gimple_call_from_thunk_p (gimple s)
2416 GIMPLE_CHECK (s, GIMPLE_CALL);
2417 return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0;
2421 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the
2422 argument pack in its argument list. */
2425 gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p)
2427 GIMPLE_CHECK (s, GIMPLE_CALL);
2428 if (pass_arg_pack_p)
2429 s->gsbase.subcode |= GF_CALL_VA_ARG_PACK;
2431 s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK;
2435 /* Return true if GIMPLE_CALL S is a stdarg call that needs the
2436 argument pack in its argument list. */
2439 gimple_call_va_arg_pack_p (gimple s)
2441 GIMPLE_CHECK (s, GIMPLE_CALL);
2442 return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0;
2446 /* Return true if S is a noreturn call. */
2449 gimple_call_noreturn_p (gimple s)
2451 GIMPLE_CHECK (s, GIMPLE_CALL);
2452 return (gimple_call_flags (s) & ECF_NORETURN) != 0;
2456 /* If NOTHROW_P is true, GIMPLE_CALL S is a call that is known to not throw
2457 even if the called function can throw in other cases. */
2460 gimple_call_set_nothrow (gimple s, bool nothrow_p)
2462 GIMPLE_CHECK (s, GIMPLE_CALL);
2464 s->gsbase.subcode |= GF_CALL_NOTHROW;
2466 s->gsbase.subcode &= ~GF_CALL_NOTHROW;
2469 /* Return true if S is a nothrow call. */
2472 gimple_call_nothrow_p (gimple s)
2474 GIMPLE_CHECK (s, GIMPLE_CALL);
2475 return (gimple_call_flags (s) & ECF_NOTHROW) != 0;
2478 /* If FOR_VAR is true, GIMPLE_CALL S is a call to builtin_alloca that
2479 is known to be emitted for VLA objects. Those are wrapped by
2480 stack_save/stack_restore calls and hence can't lead to unbounded
2481 stack growth even when they occur in loops. */
2484 gimple_call_set_alloca_for_var (gimple s, bool for_var)
2486 GIMPLE_CHECK (s, GIMPLE_CALL);
2488 s->gsbase.subcode |= GF_CALL_ALLOCA_FOR_VAR;
2490 s->gsbase.subcode &= ~GF_CALL_ALLOCA_FOR_VAR;
2493 /* Return true of S is a call to builtin_alloca emitted for VLA objects. */
2496 gimple_call_alloca_for_var_p (gimple s)
2498 GIMPLE_CHECK (s, GIMPLE_CALL);
2499 return (s->gsbase.subcode & GF_CALL_ALLOCA_FOR_VAR) != 0;
2502 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */
2505 gimple_call_copy_flags (gimple dest_call, gimple orig_call)
2507 GIMPLE_CHECK (dest_call, GIMPLE_CALL);
2508 GIMPLE_CHECK (orig_call, GIMPLE_CALL);
2509 dest_call->gsbase.subcode = orig_call->gsbase.subcode;
2513 /* Return a pointer to the points-to solution for the set of call-used
2514 variables of the call CALL. */
2516 static inline struct pt_solution *
2517 gimple_call_use_set (gimple call)
2519 GIMPLE_CHECK (call, GIMPLE_CALL);
2520 return &call->gimple_call.call_used;
2524 /* Return a pointer to the points-to solution for the set of call-used
2525 variables of the call CALL. */
2527 static inline struct pt_solution *
2528 gimple_call_clobber_set (gimple call)
2530 GIMPLE_CHECK (call, GIMPLE_CALL);
2531 return &call->gimple_call.call_clobbered;
2535 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a
2539 gimple_has_lhs (gimple stmt)
2541 return (is_gimple_assign (stmt)
2542 || (is_gimple_call (stmt)
2543 && gimple_call_lhs (stmt) != NULL_TREE));
2547 /* Return the code of the predicate computed by conditional statement GS. */
2549 static inline enum tree_code
2550 gimple_cond_code (const_gimple gs)
2552 GIMPLE_CHECK (gs, GIMPLE_COND);
2553 return (enum tree_code) gs->gsbase.subcode;
2557 /* Set CODE to be the predicate code for the conditional statement GS. */
2560 gimple_cond_set_code (gimple gs, enum tree_code code)
2562 GIMPLE_CHECK (gs, GIMPLE_COND);
2563 gs->gsbase.subcode = code;
2567 /* Return the LHS of the predicate computed by conditional statement GS. */
2570 gimple_cond_lhs (const_gimple gs)
2572 GIMPLE_CHECK (gs, GIMPLE_COND);
2573 return gimple_op (gs, 0);
2576 /* Return the pointer to the LHS of the predicate computed by conditional
2579 static inline tree *
2580 gimple_cond_lhs_ptr (const_gimple gs)
2582 GIMPLE_CHECK (gs, GIMPLE_COND);
2583 return gimple_op_ptr (gs, 0);
2586 /* Set LHS to be the LHS operand of the predicate computed by
2587 conditional statement GS. */
2590 gimple_cond_set_lhs (gimple gs, tree lhs)
2592 GIMPLE_CHECK (gs, GIMPLE_COND);
2593 gimple_set_op (gs, 0, lhs);
2597 /* Return the RHS operand of the predicate computed by conditional GS. */
2600 gimple_cond_rhs (const_gimple gs)
2602 GIMPLE_CHECK (gs, GIMPLE_COND);
2603 return gimple_op (gs, 1);
2606 /* Return the pointer to the RHS operand of the predicate computed by
2609 static inline tree *
2610 gimple_cond_rhs_ptr (const_gimple gs)
2612 GIMPLE_CHECK (gs, GIMPLE_COND);
2613 return gimple_op_ptr (gs, 1);
2617 /* Set RHS to be the RHS operand of the predicate computed by
2618 conditional statement GS. */
2621 gimple_cond_set_rhs (gimple gs, tree rhs)
2623 GIMPLE_CHECK (gs, GIMPLE_COND);
2624 gimple_set_op (gs, 1, rhs);
2628 /* Return the label used by conditional statement GS when its
2629 predicate evaluates to true. */
2632 gimple_cond_true_label (const_gimple gs)
2634 GIMPLE_CHECK (gs, GIMPLE_COND);
2635 return gimple_op (gs, 2);
2639 /* Set LABEL to be the label used by conditional statement GS when its
2640 predicate evaluates to true. */
2643 gimple_cond_set_true_label (gimple gs, tree label)
2645 GIMPLE_CHECK (gs, GIMPLE_COND);
2646 gimple_set_op (gs, 2, label);
2650 /* Set LABEL to be the label used by conditional statement GS when its
2651 predicate evaluates to false. */
2654 gimple_cond_set_false_label (gimple gs, tree label)
2656 GIMPLE_CHECK (gs, GIMPLE_COND);
2657 gimple_set_op (gs, 3, label);
2661 /* Return the label used by conditional statement GS when its
2662 predicate evaluates to false. */
2665 gimple_cond_false_label (const_gimple gs)
2667 GIMPLE_CHECK (gs, GIMPLE_COND);
2668 return gimple_op (gs, 3);
2672 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */
2675 gimple_cond_make_false (gimple gs)
2677 gimple_cond_set_lhs (gs, boolean_true_node);
2678 gimple_cond_set_rhs (gs, boolean_false_node);
2679 gs->gsbase.subcode = EQ_EXPR;
2683 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */
2686 gimple_cond_make_true (gimple gs)
2688 gimple_cond_set_lhs (gs, boolean_true_node);
2689 gimple_cond_set_rhs (gs, boolean_true_node);
2690 gs->gsbase.subcode = EQ_EXPR;
2693 /* Check if conditional statemente GS is of the form 'if (1 == 1)',
2694 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */
2697 gimple_cond_true_p (const_gimple gs)
2699 tree lhs = gimple_cond_lhs (gs);
2700 tree rhs = gimple_cond_rhs (gs);
2701 enum tree_code code = gimple_cond_code (gs);
2703 if (lhs != boolean_true_node && lhs != boolean_false_node)
2706 if (rhs != boolean_true_node && rhs != boolean_false_node)
2709 if (code == NE_EXPR && lhs != rhs)
2712 if (code == EQ_EXPR && lhs == rhs)
2718 /* Check if conditional statement GS is of the form 'if (1 != 1)',
2719 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */
2722 gimple_cond_false_p (const_gimple gs)
2724 tree lhs = gimple_cond_lhs (gs);
2725 tree rhs = gimple_cond_rhs (gs);
2726 enum tree_code code = gimple_cond_code (gs);
2728 if (lhs != boolean_true_node && lhs != boolean_false_node)
2731 if (rhs != boolean_true_node && rhs != boolean_false_node)
2734 if (code == NE_EXPR && lhs == rhs)
2737 if (code == EQ_EXPR && lhs != rhs)
2743 /* Check if conditional statement GS is of the form 'if (var != 0)' or
2747 gimple_cond_single_var_p (gimple gs)
2749 if (gimple_cond_code (gs) == NE_EXPR
2750 && gimple_cond_rhs (gs) == boolean_false_node)
2753 if (gimple_cond_code (gs) == EQ_EXPR
2754 && gimple_cond_rhs (gs) == boolean_true_node)
2760 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */
2763 gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs)
2765 gimple_cond_set_code (stmt, code);
2766 gimple_cond_set_lhs (stmt, lhs);
2767 gimple_cond_set_rhs (stmt, rhs);
2770 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */
2773 gimple_label_label (const_gimple gs)
2775 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2776 return gimple_op (gs, 0);
2780 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement
2784 gimple_label_set_label (gimple gs, tree label)
2786 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2787 gimple_set_op (gs, 0, label);
2791 /* Return the destination of the unconditional jump GS. */
2794 gimple_goto_dest (const_gimple gs)
2796 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2797 return gimple_op (gs, 0);
2801 /* Set DEST to be the destination of the unconditonal jump GS. */
2804 gimple_goto_set_dest (gimple gs, tree dest)
2806 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2807 gimple_set_op (gs, 0, dest);
2811 /* Return the variables declared in the GIMPLE_BIND statement GS. */
2814 gimple_bind_vars (const_gimple gs)
2816 GIMPLE_CHECK (gs, GIMPLE_BIND);
2817 return gs->gimple_bind.vars;
2821 /* Set VARS to be the set of variables declared in the GIMPLE_BIND
2825 gimple_bind_set_vars (gimple gs, tree vars)
2827 GIMPLE_CHECK (gs, GIMPLE_BIND);
2828 gs->gimple_bind.vars = vars;
2832 /* Append VARS to the set of variables declared in the GIMPLE_BIND
2836 gimple_bind_append_vars (gimple gs, tree vars)
2838 GIMPLE_CHECK (gs, GIMPLE_BIND);
2839 gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars);
2843 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */
2845 static inline gimple_seq
2846 gimple_bind_body (gimple gs)
2848 GIMPLE_CHECK (gs, GIMPLE_BIND);
2849 return gs->gimple_bind.body;
2853 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND
2857 gimple_bind_set_body (gimple gs, gimple_seq seq)
2859 GIMPLE_CHECK (gs, GIMPLE_BIND);
2860 gs->gimple_bind.body = seq;
2864 /* Append a statement to the end of a GIMPLE_BIND's body. */
2867 gimple_bind_add_stmt (gimple gs, gimple stmt)
2869 GIMPLE_CHECK (gs, GIMPLE_BIND);
2870 gimple_seq_add_stmt (&gs->gimple_bind.body, stmt);
2874 /* Append a sequence of statements to the end of a GIMPLE_BIND's body. */
2877 gimple_bind_add_seq (gimple gs, gimple_seq seq)
2879 GIMPLE_CHECK (gs, GIMPLE_BIND);
2880 gimple_seq_add_seq (&gs->gimple_bind.body, seq);
2884 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement
2885 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */
2888 gimple_bind_block (const_gimple gs)
2890 GIMPLE_CHECK (gs, GIMPLE_BIND);
2891 return gs->gimple_bind.block;
2895 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND
2899 gimple_bind_set_block (gimple gs, tree block)
2901 GIMPLE_CHECK (gs, GIMPLE_BIND);
2902 gcc_gimple_checking_assert (block == NULL_TREE
2903 || TREE_CODE (block) == BLOCK);
2904 gs->gimple_bind.block = block;
2908 /* Return the number of input operands for GIMPLE_ASM GS. */
2910 static inline unsigned
2911 gimple_asm_ninputs (const_gimple gs)
2913 GIMPLE_CHECK (gs, GIMPLE_ASM);
2914 return gs->gimple_asm.ni;
2918 /* Return the number of output operands for GIMPLE_ASM GS. */
2920 static inline unsigned
2921 gimple_asm_noutputs (const_gimple gs)
2923 GIMPLE_CHECK (gs, GIMPLE_ASM);
2924 return gs->gimple_asm.no;
2928 /* Return the number of clobber operands for GIMPLE_ASM GS. */
2930 static inline unsigned
2931 gimple_asm_nclobbers (const_gimple gs)
2933 GIMPLE_CHECK (gs, GIMPLE_ASM);
2934 return gs->gimple_asm.nc;
2937 /* Return the number of label operands for GIMPLE_ASM GS. */
2939 static inline unsigned
2940 gimple_asm_nlabels (const_gimple gs)
2942 GIMPLE_CHECK (gs, GIMPLE_ASM);
2943 return gs->gimple_asm.nl;
2946 /* Return input operand INDEX of GIMPLE_ASM GS. */
2949 gimple_asm_input_op (const_gimple gs, unsigned index)
2951 GIMPLE_CHECK (gs, GIMPLE_ASM);
2952 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni);
2953 return gimple_op (gs, index);
2956 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */
2958 static inline tree *
2959 gimple_asm_input_op_ptr (const_gimple gs, unsigned index)
2961 GIMPLE_CHECK (gs, GIMPLE_ASM);
2962 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni);
2963 return gimple_op_ptr (gs, index);
2967 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */
2970 gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op)
2972 GIMPLE_CHECK (gs, GIMPLE_ASM);
2973 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni
2974 && TREE_CODE (in_op) == TREE_LIST);
2975 gimple_set_op (gs, index, in_op);
2979 /* Return output operand INDEX of GIMPLE_ASM GS. */
2982 gimple_asm_output_op (const_gimple gs, unsigned index)
2984 GIMPLE_CHECK (gs, GIMPLE_ASM);
2985 gcc_gimple_checking_assert (index <= gs->gimple_asm.no);
2986 return gimple_op (gs, index + gs->gimple_asm.ni);
2989 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */
2991 static inline tree *
2992 gimple_asm_output_op_ptr (const_gimple gs, unsigned index)
2994 GIMPLE_CHECK (gs, GIMPLE_ASM);
2995 gcc_gimple_checking_assert (index <= gs->gimple_asm.no);
2996 return gimple_op_ptr (gs, index + gs->gimple_asm.ni);
3000 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */
3003 gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op)
3005 GIMPLE_CHECK (gs, GIMPLE_ASM);
3006 gcc_gimple_checking_assert (index <= gs->gimple_asm.no
3007 && TREE_CODE (out_op) == TREE_LIST);
3008 gimple_set_op (gs, index + gs->gimple_asm.ni, out_op);
3012 /* Return clobber operand INDEX of GIMPLE_ASM GS. */
3015 gimple_asm_clobber_op (const_gimple gs, unsigned index)
3017 GIMPLE_CHECK (gs, GIMPLE_ASM);
3018 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc);
3019 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no);
3023 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */
3026 gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op)
3028 GIMPLE_CHECK (gs, GIMPLE_ASM);
3029 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc
3030 && TREE_CODE (clobber_op) == TREE_LIST);
3031 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op);
3034 /* Return label operand INDEX of GIMPLE_ASM GS. */
3037 gimple_asm_label_op (const_gimple gs, unsigned index)
3039 GIMPLE_CHECK (gs, GIMPLE_ASM);
3040 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl);
3041 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc);
3044 /* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS. */
3047 gimple_asm_set_label_op (gimple gs, unsigned index, tree label_op)
3049 GIMPLE_CHECK (gs, GIMPLE_ASM);
3050 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl
3051 && TREE_CODE (label_op) == TREE_LIST);
3052 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc, label_op);
3055 /* Return the string representing the assembly instruction in
3058 static inline const char *
3059 gimple_asm_string (const_gimple gs)
3061 GIMPLE_CHECK (gs, GIMPLE_ASM);
3062 return gs->gimple_asm.string;
3066 /* Return true if GS is an asm statement marked volatile. */
3069 gimple_asm_volatile_p (const_gimple gs)
3071 GIMPLE_CHECK (gs, GIMPLE_ASM);
3072 return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0;
3076 /* If VOLATLE_P is true, mark asm statement GS as volatile. */
3079 gimple_asm_set_volatile (gimple gs, bool volatile_p)
3081 GIMPLE_CHECK (gs, GIMPLE_ASM);
3083 gs->gsbase.subcode |= GF_ASM_VOLATILE;
3085 gs->gsbase.subcode &= ~GF_ASM_VOLATILE;
3089 /* If INPUT_P is true, mark asm GS as an ASM_INPUT. */
3092 gimple_asm_set_input (gimple gs, bool input_p)
3094 GIMPLE_CHECK (gs, GIMPLE_ASM);
3096 gs->gsbase.subcode |= GF_ASM_INPUT;
3098 gs->gsbase.subcode &= ~GF_ASM_INPUT;
3102 /* Return true if asm GS is an ASM_INPUT. */
3105 gimple_asm_input_p (const_gimple gs)
3107 GIMPLE_CHECK (gs, GIMPLE_ASM);
3108 return (gs->gsbase.subcode & GF_ASM_INPUT) != 0;
3112 /* Return the types handled by GIMPLE_CATCH statement GS. */
3115 gimple_catch_types (const_gimple gs)
3117 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3118 return gs->gimple_catch.types;
3122 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */
3124 static inline tree *
3125 gimple_catch_types_ptr (gimple gs)
3127 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3128 return &gs->gimple_catch.types;
3132 /* Return the GIMPLE sequence representing the body of the handler of
3133 GIMPLE_CATCH statement GS. */
3135 static inline gimple_seq
3136 gimple_catch_handler (gimple gs)
3138 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3139 return gs->gimple_catch.handler;
3143 /* Return a pointer to the GIMPLE sequence representing the body of
3144 the handler of GIMPLE_CATCH statement GS. */
3146 static inline gimple_seq *
3147 gimple_catch_handler_ptr (gimple gs)
3149 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3150 return &gs->gimple_catch.handler;
3154 /* Set T to be the set of types handled by GIMPLE_CATCH GS. */
3157 gimple_catch_set_types (gimple gs, tree t)
3159 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3160 gs->gimple_catch.types = t;
3164 /* Set HANDLER to be the body of GIMPLE_CATCH GS. */
3167 gimple_catch_set_handler (gimple gs, gimple_seq handler)
3169 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3170 gs->gimple_catch.handler = handler;
3174 /* Return the types handled by GIMPLE_EH_FILTER statement GS. */
3177 gimple_eh_filter_types (const_gimple gs)
3179 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3180 return gs->gimple_eh_filter.types;
3184 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement
3187 static inline tree *
3188 gimple_eh_filter_types_ptr (gimple gs)
3190 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3191 return &gs->gimple_eh_filter.types;
3195 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER
3198 static inline gimple_seq
3199 gimple_eh_filter_failure (gimple gs)
3201 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3202 return gs->gimple_eh_filter.failure;
3206 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */
3209 gimple_eh_filter_set_types (gimple gs, tree types)
3211 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3212 gs->gimple_eh_filter.types = types;
3216 /* Set FAILURE to be the sequence of statements to execute on failure
3217 for GIMPLE_EH_FILTER GS. */
3220 gimple_eh_filter_set_failure (gimple gs, gimple_seq failure)
3222 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3223 gs->gimple_eh_filter.failure = failure;
3226 /* Get the function decl to be called by the MUST_NOT_THROW region. */
3229 gimple_eh_must_not_throw_fndecl (gimple gs)
3231 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
3232 return gs->gimple_eh_mnt.fndecl;
3235 /* Set the function decl to be called by GS to DECL. */
3238 gimple_eh_must_not_throw_set_fndecl (gimple gs, tree decl)
3240 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
3241 gs->gimple_eh_mnt.fndecl = decl;
3244 /* GIMPLE_EH_ELSE accessors. */
3246 static inline gimple_seq
3247 gimple_eh_else_n_body (gimple gs)
3249 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3250 return gs->gimple_eh_else.n_body;
3253 static inline gimple_seq
3254 gimple_eh_else_e_body (gimple gs)
3256 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3257 return gs->gimple_eh_else.e_body;
3261 gimple_eh_else_set_n_body (gimple gs, gimple_seq seq)
3263 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3264 gs->gimple_eh_else.n_body = seq;
3268 gimple_eh_else_set_e_body (gimple gs, gimple_seq seq)
3270 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3271 gs->gimple_eh_else.e_body = seq;
3274 /* GIMPLE_TRY accessors. */
3276 /* Return the kind of try block represented by GIMPLE_TRY GS. This is
3277 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */
3279 static inline enum gimple_try_flags
3280 gimple_try_kind (const_gimple gs)
3282 GIMPLE_CHECK (gs, GIMPLE_TRY);
3283 return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND);
3287 /* Set the kind of try block represented by GIMPLE_TRY GS. */
3290 gimple_try_set_kind (gimple gs, enum gimple_try_flags kind)
3292 GIMPLE_CHECK (gs, GIMPLE_TRY);
3293 gcc_gimple_checking_assert (kind == GIMPLE_TRY_CATCH
3294 || kind == GIMPLE_TRY_FINALLY);
3295 if (gimple_try_kind (gs) != kind)
3296 gs->gsbase.subcode = (unsigned int) kind;
3300 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3303 gimple_try_catch_is_cleanup (const_gimple gs)
3305 gcc_gimple_checking_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH);
3306 return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0;
3310 /* Return the sequence of statements used as the body for GIMPLE_TRY GS. */
3312 static inline gimple_seq
3313 gimple_try_eval (gimple gs)
3315 GIMPLE_CHECK (gs, GIMPLE_TRY);
3316 return gs->gimple_try.eval;
3320 /* Return the sequence of statements used as the cleanup body for
3323 static inline gimple_seq
3324 gimple_try_cleanup (gimple gs)
3326 GIMPLE_CHECK (gs, GIMPLE_TRY);
3327 return gs->gimple_try.cleanup;
3331 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3334 gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup)
3336 gcc_gimple_checking_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH);
3337 if (catch_is_cleanup)
3338 g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP;
3340 g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP;
3344 /* Set EVAL to be the sequence of statements to use as the body for
3348 gimple_try_set_eval (gimple gs, gimple_seq eval)
3350 GIMPLE_CHECK (gs, GIMPLE_TRY);
3351 gs->gimple_try.eval = eval;
3355 /* Set CLEANUP to be the sequence of statements to use as the cleanup
3356 body for GIMPLE_TRY GS. */
3359 gimple_try_set_cleanup (gimple gs, gimple_seq cleanup)
3361 GIMPLE_CHECK (gs, GIMPLE_TRY);
3362 gs->gimple_try.cleanup = cleanup;
3366 /* Return the cleanup sequence for cleanup statement GS. */
3368 static inline gimple_seq
3369 gimple_wce_cleanup (gimple gs)
3371 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3372 return gs->gimple_wce.cleanup;
3376 /* Set CLEANUP to be the cleanup sequence for GS. */
3379 gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup)
3381 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3382 gs->gimple_wce.cleanup = cleanup;
3386 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */
3389 gimple_wce_cleanup_eh_only (const_gimple gs)
3391 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3392 return gs->gsbase.subcode != 0;
3396 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */
3399 gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p)
3401 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3402 gs->gsbase.subcode = (unsigned int) eh_only_p;
3406 /* Return the maximum number of arguments supported by GIMPLE_PHI GS. */
3408 static inline unsigned
3409 gimple_phi_capacity (const_gimple gs)
3411 GIMPLE_CHECK (gs, GIMPLE_PHI);
3412 return gs->gimple_phi.capacity;
3416 /* Return the number of arguments in GIMPLE_PHI GS. This must always
3417 be exactly the number of incoming edges for the basic block holding
3420 static inline unsigned
3421 gimple_phi_num_args (const_gimple gs)
3423 GIMPLE_CHECK (gs, GIMPLE_PHI);
3424 return gs->gimple_phi.nargs;
3428 /* Return the SSA name created by GIMPLE_PHI GS. */
3431 gimple_phi_result (const_gimple gs)
3433 GIMPLE_CHECK (gs, GIMPLE_PHI);
3434 return gs->gimple_phi.result;
3437 /* Return a pointer to the SSA name created by GIMPLE_PHI GS. */
3439 static inline tree *
3440 gimple_phi_result_ptr (gimple gs)
3442 GIMPLE_CHECK (gs, GIMPLE_PHI);
3443 return &gs->gimple_phi.result;
3446 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */
3449 gimple_phi_set_result (gimple gs, tree result)
3451 GIMPLE_CHECK (gs, GIMPLE_PHI);
3452 gs->gimple_phi.result = result;
3456 /* Return the PHI argument corresponding to incoming edge INDEX for
3459 static inline struct phi_arg_d *
3460 gimple_phi_arg (gimple gs, unsigned index)
3462 GIMPLE_CHECK (gs, GIMPLE_PHI);
3463 gcc_gimple_checking_assert (index <= gs->gimple_phi.capacity);
3464 return &(gs->gimple_phi.args[index]);
3467 /* Set PHIARG to be the argument corresponding to incoming edge INDEX
3468 for GIMPLE_PHI GS. */
3471 gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg)
3473 GIMPLE_CHECK (gs, GIMPLE_PHI);
3474 gcc_gimple_checking_assert (index <= gs->gimple_phi.nargs);
3475 gs->gimple_phi.args[index] = *phiarg;
3478 /* Return the region number for GIMPLE_RESX GS. */
3481 gimple_resx_region (const_gimple gs)
3483 GIMPLE_CHECK (gs, GIMPLE_RESX);
3484 return gs->gimple_eh_ctrl.region;
3487 /* Set REGION to be the region number for GIMPLE_RESX GS. */
3490 gimple_resx_set_region (gimple gs, int region)
3492 GIMPLE_CHECK (gs, GIMPLE_RESX);
3493 gs->gimple_eh_ctrl.region = region;
3496 /* Return the region number for GIMPLE_EH_DISPATCH GS. */
3499 gimple_eh_dispatch_region (const_gimple gs)
3501 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3502 return gs->gimple_eh_ctrl.region;
3505 /* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS. */
3508 gimple_eh_dispatch_set_region (gimple gs, int region)
3510 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3511 gs->gimple_eh_ctrl.region = region;
3514 /* Return the number of labels associated with the switch statement GS. */
3516 static inline unsigned
3517 gimple_switch_num_labels (const_gimple gs)
3520 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3521 num_ops = gimple_num_ops (gs);
3522 gcc_gimple_checking_assert (num_ops > 1);
3527 /* Set NLABELS to be the number of labels for the switch statement GS. */
3530 gimple_switch_set_num_labels (gimple g, unsigned nlabels)
3532 GIMPLE_CHECK (g, GIMPLE_SWITCH);
3533 gimple_set_num_ops (g, nlabels + 1);
3537 /* Return the index variable used by the switch statement GS. */
3540 gimple_switch_index (const_gimple gs)
3542 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3543 return gimple_op (gs, 0);
3547 /* Return a pointer to the index variable for the switch statement GS. */
3549 static inline tree *
3550 gimple_switch_index_ptr (const_gimple gs)
3552 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3553 return gimple_op_ptr (gs, 0);
3557 /* Set INDEX to be the index variable for switch statement GS. */
3560 gimple_switch_set_index (gimple gs, tree index)
3562 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3563 gcc_gimple_checking_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index));
3564 gimple_set_op (gs, 0, index);
3568 /* Return the label numbered INDEX. The default label is 0, followed by any
3569 labels in a switch statement. */
3572 gimple_switch_label (const_gimple gs, unsigned index)
3574 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3575 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1);
3576 return gimple_op (gs, index + 1);
3579 /* Set the label number INDEX to LABEL. 0 is always the default label. */
3582 gimple_switch_set_label (gimple gs, unsigned index, tree label)
3584 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3585 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1
3586 && (label == NULL_TREE
3587 || TREE_CODE (label) == CASE_LABEL_EXPR));
3588 gimple_set_op (gs, index + 1, label);
3591 /* Return the default label for a switch statement. */
3594 gimple_switch_default_label (const_gimple gs)
3596 return gimple_switch_label (gs, 0);
3599 /* Set the default label for a switch statement. */
3602 gimple_switch_set_default_label (gimple gs, tree label)
3604 gimple_switch_set_label (gs, 0, label);
3607 /* Return true if GS is a GIMPLE_DEBUG statement. */
3610 is_gimple_debug (const_gimple gs)
3612 return gimple_code (gs) == GIMPLE_DEBUG;
3615 /* Return true if S is a GIMPLE_DEBUG BIND statement. */
3618 gimple_debug_bind_p (const_gimple s)
3620 if (is_gimple_debug (s))
3621 return s->gsbase.subcode == GIMPLE_DEBUG_BIND;
3626 /* Return the variable bound in a GIMPLE_DEBUG bind statement. */
3629 gimple_debug_bind_get_var (gimple dbg)
3631 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3632 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3633 return gimple_op (dbg, 0);
3636 /* Return the value bound to the variable in a GIMPLE_DEBUG bind
3640 gimple_debug_bind_get_value (gimple dbg)
3642 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3643 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3644 return gimple_op (dbg, 1);
3647 /* Return a pointer to the value bound to the variable in a
3648 GIMPLE_DEBUG bind statement. */
3650 static inline tree *
3651 gimple_debug_bind_get_value_ptr (gimple dbg)
3653 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3654 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3655 return gimple_op_ptr (dbg, 1);
3658 /* Set the variable bound in a GIMPLE_DEBUG bind statement. */
3661 gimple_debug_bind_set_var (gimple dbg, tree var)
3663 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3664 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3665 gimple_set_op (dbg, 0, var);
3668 /* Set the value bound to the variable in a GIMPLE_DEBUG bind
3672 gimple_debug_bind_set_value (gimple dbg, tree value)
3674 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3675 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3676 gimple_set_op (dbg, 1, value);
3679 /* The second operand of a GIMPLE_DEBUG_BIND, when the value was
3681 #define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */
3683 /* Remove the value bound to the variable in a GIMPLE_DEBUG bind
3687 gimple_debug_bind_reset_value (gimple dbg)
3689 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3690 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3691 gimple_set_op (dbg, 1, GIMPLE_DEBUG_BIND_NOVALUE);
3694 /* Return true if the GIMPLE_DEBUG bind statement is bound to a
3698 gimple_debug_bind_has_value_p (gimple dbg)
3700 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3701 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3702 return gimple_op (dbg, 1) != GIMPLE_DEBUG_BIND_NOVALUE;
3705 #undef GIMPLE_DEBUG_BIND_NOVALUE
3707 /* Return true if S is a GIMPLE_DEBUG SOURCE BIND statement. */
3710 gimple_debug_source_bind_p (const_gimple s)
3712 if (is_gimple_debug (s))
3713 return s->gsbase.subcode == GIMPLE_DEBUG_SOURCE_BIND;
3718 /* Return the variable bound in a GIMPLE_DEBUG source bind statement. */
3721 gimple_debug_source_bind_get_var (gimple dbg)
3723 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3724 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3725 return gimple_op (dbg, 0);
3728 /* Return the value bound to the variable in a GIMPLE_DEBUG source bind
3732 gimple_debug_source_bind_get_value (gimple dbg)
3734 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3735 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3736 return gimple_op (dbg, 1);
3739 /* Return a pointer to the value bound to the variable in a
3740 GIMPLE_DEBUG source bind statement. */
3742 static inline tree *
3743 gimple_debug_source_bind_get_value_ptr (gimple dbg)
3745 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3746 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3747 return gimple_op_ptr (dbg, 1);
3750 /* Set the variable bound in a GIMPLE_DEBUG source bind statement. */
3753 gimple_debug_source_bind_set_var (gimple dbg, tree var)
3755 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3756 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3757 gimple_set_op (dbg, 0, var);
3760 /* Set the value bound to the variable in a GIMPLE_DEBUG source bind
3764 gimple_debug_source_bind_set_value (gimple dbg, tree value)
3766 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3767 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3768 gimple_set_op (dbg, 1, value);
3771 /* Return the body for the OMP statement GS. */
3773 static inline gimple_seq
3774 gimple_omp_body (gimple gs)
3776 return gs->omp.body;
3779 /* Set BODY to be the body for the OMP statement GS. */
3782 gimple_omp_set_body (gimple gs, gimple_seq body)
3784 gs->omp.body = body;
3788 /* Return the name associated with OMP_CRITICAL statement GS. */
3791 gimple_omp_critical_name (const_gimple gs)
3793 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3794 return gs->gimple_omp_critical.name;
3798 /* Return a pointer to the name associated with OMP critical statement GS. */
3800 static inline tree *
3801 gimple_omp_critical_name_ptr (gimple gs)
3803 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3804 return &gs->gimple_omp_critical.name;
3808 /* Set NAME to be the name associated with OMP critical statement GS. */
3811 gimple_omp_critical_set_name (gimple gs, tree name)
3813 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3814 gs->gimple_omp_critical.name = name;
3818 /* Return the clauses associated with OMP_FOR GS. */
3821 gimple_omp_for_clauses (const_gimple gs)
3823 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3824 return gs->gimple_omp_for.clauses;
3828 /* Return a pointer to the OMP_FOR GS. */
3830 static inline tree *
3831 gimple_omp_for_clauses_ptr (gimple gs)
3833 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3834 return &gs->gimple_omp_for.clauses;
3838 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */
3841 gimple_omp_for_set_clauses (gimple gs, tree clauses)
3843 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3844 gs->gimple_omp_for.clauses = clauses;
3848 /* Get the collapse count of OMP_FOR GS. */
3850 static inline size_t
3851 gimple_omp_for_collapse (gimple gs)
3853 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3854 return gs->gimple_omp_for.collapse;
3858 /* Return the index variable for OMP_FOR GS. */
3861 gimple_omp_for_index (const_gimple gs, size_t i)
3863 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3864 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3865 return gs->gimple_omp_for.iter[i].index;
3869 /* Return a pointer to the index variable for OMP_FOR GS. */
3871 static inline tree *
3872 gimple_omp_for_index_ptr (gimple gs, size_t i)
3874 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3875 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3876 return &gs->gimple_omp_for.iter[i].index;
3880 /* Set INDEX to be the index variable for OMP_FOR GS. */
3883 gimple_omp_for_set_index (gimple gs, size_t i, tree index)
3885 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3886 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3887 gs->gimple_omp_for.iter[i].index = index;
3891 /* Return the initial value for OMP_FOR GS. */
3894 gimple_omp_for_initial (const_gimple gs, size_t i)
3896 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3897 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3898 return gs->gimple_omp_for.iter[i].initial;
3902 /* Return a pointer to the initial value for OMP_FOR GS. */
3904 static inline tree *
3905 gimple_omp_for_initial_ptr (gimple gs, size_t i)
3907 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3908 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3909 return &gs->gimple_omp_for.iter[i].initial;
3913 /* Set INITIAL to be the initial value for OMP_FOR GS. */
3916 gimple_omp_for_set_initial (gimple gs, size_t i, tree initial)
3918 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3919 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3920 gs->gimple_omp_for.iter[i].initial = initial;
3924 /* Return the final value for OMP_FOR GS. */
3927 gimple_omp_for_final (const_gimple gs, size_t i)
3929 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3930 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3931 return gs->gimple_omp_for.iter[i].final;
3935 /* Return a pointer to the final value for OMP_FOR GS. */
3937 static inline tree *
3938 gimple_omp_for_final_ptr (gimple gs, size_t i)
3940 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3941 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3942 return &gs->gimple_omp_for.iter[i].final;
3946 /* Set FINAL to be the final value for OMP_FOR GS. */
3949 gimple_omp_for_set_final (gimple gs, size_t i, tree final)
3951 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3952 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3953 gs->gimple_omp_for.iter[i].final = final;
3957 /* Return the increment value for OMP_FOR GS. */
3960 gimple_omp_for_incr (const_gimple gs, size_t i)
3962 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3963 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3964 return gs->gimple_omp_for.iter[i].incr;
3968 /* Return a pointer to the increment value for OMP_FOR GS. */
3970 static inline tree *
3971 gimple_omp_for_incr_ptr (gimple gs, size_t i)
3973 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3974 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3975 return &gs->gimple_omp_for.iter[i].incr;
3979 /* Set INCR to be the increment value for OMP_FOR GS. */
3982 gimple_omp_for_set_incr (gimple gs, size_t i, tree incr)
3984 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3985 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3986 gs->gimple_omp_for.iter[i].incr = incr;
3990 /* Return the sequence of statements to execute before the OMP_FOR
3991 statement GS starts. */
3993 static inline gimple_seq
3994 gimple_omp_for_pre_body (gimple gs)
3996 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3997 return gs->gimple_omp_for.pre_body;
4001 /* Set PRE_BODY to be the sequence of statements to execute before the
4002 OMP_FOR statement GS starts. */
4005 gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body)
4007 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4008 gs->gimple_omp_for.pre_body = pre_body;
4012 /* Return the clauses associated with OMP_PARALLEL GS. */
4015 gimple_omp_parallel_clauses (const_gimple gs)
4017 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4018 return gs->gimple_omp_parallel.clauses;
4022 /* Return a pointer to the clauses associated with OMP_PARALLEL GS. */
4024 static inline tree *
4025 gimple_omp_parallel_clauses_ptr (gimple gs)
4027 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4028 return &gs->gimple_omp_parallel.clauses;
4032 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL
4036 gimple_omp_parallel_set_clauses (gimple gs, tree clauses)
4038 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4039 gs->gimple_omp_parallel.clauses = clauses;
4043 /* Return the child function used to hold the body of OMP_PARALLEL GS. */
4046 gimple_omp_parallel_child_fn (const_gimple gs)
4048 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4049 return gs->gimple_omp_parallel.child_fn;
4052 /* Return a pointer to the child function used to hold the body of
4055 static inline tree *
4056 gimple_omp_parallel_child_fn_ptr (gimple gs)
4058 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4059 return &gs->gimple_omp_parallel.child_fn;
4063 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */
4066 gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn)
4068 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4069 gs->gimple_omp_parallel.child_fn = child_fn;
4073 /* Return the artificial argument used to send variables and values
4074 from the parent to the children threads in OMP_PARALLEL GS. */
4077 gimple_omp_parallel_data_arg (const_gimple gs)
4079 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4080 return gs->gimple_omp_parallel.data_arg;
4084 /* Return a pointer to the data argument for OMP_PARALLEL GS. */
4086 static inline tree *
4087 gimple_omp_parallel_data_arg_ptr (gimple gs)
4089 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4090 return &gs->gimple_omp_parallel.data_arg;
4094 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */
4097 gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg)
4099 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4100 gs->gimple_omp_parallel.data_arg = data_arg;
4104 /* Return the clauses associated with OMP_TASK GS. */
4107 gimple_omp_task_clauses (const_gimple gs)
4109 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4110 return gs->gimple_omp_parallel.clauses;
4114 /* Return a pointer to the clauses associated with OMP_TASK GS. */
4116 static inline tree *
4117 gimple_omp_task_clauses_ptr (gimple gs)
4119 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4120 return &gs->gimple_omp_parallel.clauses;
4124 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
4128 gimple_omp_task_set_clauses (gimple gs, tree clauses)
4130 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4131 gs->gimple_omp_parallel.clauses = clauses;
4135 /* Return the child function used to hold the body of OMP_TASK GS. */
4138 gimple_omp_task_child_fn (const_gimple gs)
4140 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4141 return gs->gimple_omp_parallel.child_fn;
4144 /* Return a pointer to the child function used to hold the body of
4147 static inline tree *
4148 gimple_omp_task_child_fn_ptr (gimple gs)
4150 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4151 return &gs->gimple_omp_parallel.child_fn;
4155 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
4158 gimple_omp_task_set_child_fn (gimple gs, tree child_fn)
4160 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4161 gs->gimple_omp_parallel.child_fn = child_fn;
4165 /* Return the artificial argument used to send variables and values
4166 from the parent to the children threads in OMP_TASK GS. */
4169 gimple_omp_task_data_arg (const_gimple gs)
4171 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4172 return gs->gimple_omp_parallel.data_arg;
4176 /* Return a pointer to the data argument for OMP_TASK GS. */
4178 static inline tree *
4179 gimple_omp_task_data_arg_ptr (gimple gs)
4181 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4182 return &gs->gimple_omp_parallel.data_arg;
4186 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
4189 gimple_omp_task_set_data_arg (gimple gs, tree data_arg)
4191 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4192 gs->gimple_omp_parallel.data_arg = data_arg;
4196 /* Return the clauses associated with OMP_TASK GS. */
4199 gimple_omp_taskreg_clauses (const_gimple gs)
4201 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4202 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4203 return gs->gimple_omp_parallel.clauses;
4207 /* Return a pointer to the clauses associated with OMP_TASK GS. */
4209 static inline tree *
4210 gimple_omp_taskreg_clauses_ptr (gimple gs)
4212 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4213 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4214 return &gs->gimple_omp_parallel.clauses;
4218 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
4222 gimple_omp_taskreg_set_clauses (gimple gs, tree clauses)
4224 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4225 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4226 gs->gimple_omp_parallel.clauses = clauses;
4230 /* Return the child function used to hold the body of OMP_TASK GS. */
4233 gimple_omp_taskreg_child_fn (const_gimple gs)
4235 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4236 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4237 return gs->gimple_omp_parallel.child_fn;
4240 /* Return a pointer to the child function used to hold the body of
4243 static inline tree *
4244 gimple_omp_taskreg_child_fn_ptr (gimple gs)
4246 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4247 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4248 return &gs->gimple_omp_parallel.child_fn;
4252 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
4255 gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn)
4257 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4258 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4259 gs->gimple_omp_parallel.child_fn = child_fn;
4263 /* Return the artificial argument used to send variables and values
4264 from the parent to the children threads in OMP_TASK GS. */
4267 gimple_omp_taskreg_data_arg (const_gimple gs)
4269 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4270 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4271 return gs->gimple_omp_parallel.data_arg;
4275 /* Return a pointer to the data argument for OMP_TASK GS. */
4277 static inline tree *
4278 gimple_omp_taskreg_data_arg_ptr (gimple gs)
4280 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4281 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4282 return &gs->gimple_omp_parallel.data_arg;
4286 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
4289 gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg)
4291 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4292 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4293 gs->gimple_omp_parallel.data_arg = data_arg;
4297 /* Return the copy function used to hold the body of OMP_TASK GS. */
4300 gimple_omp_task_copy_fn (const_gimple gs)
4302 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4303 return gs->gimple_omp_task.copy_fn;
4306 /* Return a pointer to the copy function used to hold the body of
4309 static inline tree *
4310 gimple_omp_task_copy_fn_ptr (gimple gs)
4312 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4313 return &gs->gimple_omp_task.copy_fn;
4317 /* Set CHILD_FN to be the copy function for OMP_TASK GS. */
4320 gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn)
4322 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4323 gs->gimple_omp_task.copy_fn = copy_fn;
4327 /* Return size of the data block in bytes in OMP_TASK GS. */
4330 gimple_omp_task_arg_size (const_gimple gs)
4332 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4333 return gs->gimple_omp_task.arg_size;
4337 /* Return a pointer to the data block size for OMP_TASK GS. */
4339 static inline tree *
4340 gimple_omp_task_arg_size_ptr (gimple gs)
4342 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4343 return &gs->gimple_omp_task.arg_size;
4347 /* Set ARG_SIZE to be the data block size for OMP_TASK GS. */
4350 gimple_omp_task_set_arg_size (gimple gs, tree arg_size)
4352 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4353 gs->gimple_omp_task.arg_size = arg_size;
4357 /* Return align of the data block in bytes in OMP_TASK GS. */
4360 gimple_omp_task_arg_align (const_gimple gs)
4362 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4363 return gs->gimple_omp_task.arg_align;
4367 /* Return a pointer to the data block align for OMP_TASK GS. */
4369 static inline tree *
4370 gimple_omp_task_arg_align_ptr (gimple gs)
4372 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4373 return &gs->gimple_omp_task.arg_align;
4377 /* Set ARG_SIZE to be the data block align for OMP_TASK GS. */
4380 gimple_omp_task_set_arg_align (gimple gs, tree arg_align)
4382 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4383 gs->gimple_omp_task.arg_align = arg_align;
4387 /* Return the clauses associated with OMP_SINGLE GS. */
4390 gimple_omp_single_clauses (const_gimple gs)
4392 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4393 return gs->gimple_omp_single.clauses;
4397 /* Return a pointer to the clauses associated with OMP_SINGLE GS. */
4399 static inline tree *
4400 gimple_omp_single_clauses_ptr (gimple gs)
4402 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4403 return &gs->gimple_omp_single.clauses;
4407 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */
4410 gimple_omp_single_set_clauses (gimple gs, tree clauses)
4412 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4413 gs->gimple_omp_single.clauses = clauses;
4417 /* Return the clauses associated with OMP_SECTIONS GS. */
4420 gimple_omp_sections_clauses (const_gimple gs)
4422 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4423 return gs->gimple_omp_sections.clauses;
4427 /* Return a pointer to the clauses associated with OMP_SECTIONS GS. */
4429 static inline tree *
4430 gimple_omp_sections_clauses_ptr (gimple gs)
4432 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4433 return &gs->gimple_omp_sections.clauses;
4437 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS
4441 gimple_omp_sections_set_clauses (gimple gs, tree clauses)
4443 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4444 gs->gimple_omp_sections.clauses = clauses;
4448 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS
4452 gimple_omp_sections_control (const_gimple gs)
4454 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4455 return gs->gimple_omp_sections.control;
4459 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS
4462 static inline tree *
4463 gimple_omp_sections_control_ptr (gimple gs)
4465 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4466 return &gs->gimple_omp_sections.control;
4470 /* Set CONTROL to be the set of clauses associated with the
4471 GIMPLE_OMP_SECTIONS in GS. */
4474 gimple_omp_sections_set_control (gimple gs, tree control)
4476 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4477 gs->gimple_omp_sections.control = control;
4481 /* Set COND to be the condition code for OMP_FOR GS. */
4484 gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond)
4486 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4487 gcc_gimple_checking_assert (TREE_CODE_CLASS (cond) == tcc_comparison
4488 && i < gs->gimple_omp_for.collapse);
4489 gs->gimple_omp_for.iter[i].cond = cond;
4493 /* Return the condition code associated with OMP_FOR GS. */
4495 static inline enum tree_code
4496 gimple_omp_for_cond (const_gimple gs, size_t i)
4498 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4499 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
4500 return gs->gimple_omp_for.iter[i].cond;
4504 /* Set the value being stored in an atomic store. */
4507 gimple_omp_atomic_store_set_val (gimple g, tree val)
4509 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4510 g->gimple_omp_atomic_store.val = val;
4514 /* Return the value being stored in an atomic store. */
4517 gimple_omp_atomic_store_val (const_gimple g)
4519 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4520 return g->gimple_omp_atomic_store.val;
4524 /* Return a pointer to the value being stored in an atomic store. */
4526 static inline tree *
4527 gimple_omp_atomic_store_val_ptr (gimple g)
4529 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4530 return &g->gimple_omp_atomic_store.val;
4534 /* Set the LHS of an atomic load. */
4537 gimple_omp_atomic_load_set_lhs (gimple g, tree lhs)
4539 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4540 g->gimple_omp_atomic_load.lhs = lhs;
4544 /* Get the LHS of an atomic load. */
4547 gimple_omp_atomic_load_lhs (const_gimple g)
4549 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4550 return g->gimple_omp_atomic_load.lhs;
4554 /* Return a pointer to the LHS of an atomic load. */
4556 static inline tree *
4557 gimple_omp_atomic_load_lhs_ptr (gimple g)
4559 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4560 return &g->gimple_omp_atomic_load.lhs;
4564 /* Set the RHS of an atomic load. */
4567 gimple_omp_atomic_load_set_rhs (gimple g, tree rhs)
4569 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4570 g->gimple_omp_atomic_load.rhs = rhs;
4574 /* Get the RHS of an atomic load. */
4577 gimple_omp_atomic_load_rhs (const_gimple g)
4579 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4580 return g->gimple_omp_atomic_load.rhs;
4584 /* Return a pointer to the RHS of an atomic load. */
4586 static inline tree *
4587 gimple_omp_atomic_load_rhs_ptr (gimple g)
4589 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4590 return &g->gimple_omp_atomic_load.rhs;
4594 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4597 gimple_omp_continue_control_def (const_gimple g)
4599 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4600 return g->gimple_omp_continue.control_def;
4603 /* The same as above, but return the address. */
4605 static inline tree *
4606 gimple_omp_continue_control_def_ptr (gimple g)
4608 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4609 return &g->gimple_omp_continue.control_def;
4612 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4615 gimple_omp_continue_set_control_def (gimple g, tree def)
4617 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4618 g->gimple_omp_continue.control_def = def;
4622 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4625 gimple_omp_continue_control_use (const_gimple g)
4627 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4628 return g->gimple_omp_continue.control_use;
4632 /* The same as above, but return the address. */
4634 static inline tree *
4635 gimple_omp_continue_control_use_ptr (gimple g)
4637 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4638 return &g->gimple_omp_continue.control_use;
4642 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4645 gimple_omp_continue_set_control_use (gimple g, tree use)
4647 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4648 g->gimple_omp_continue.control_use = use;
4651 /* Return the body for the GIMPLE_TRANSACTION statement GS. */
4653 static inline gimple_seq
4654 gimple_transaction_body (gimple gs)
4656 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4657 return gs->gimple_transaction.body;
4660 /* Return the label associated with a GIMPLE_TRANSACTION. */
4663 gimple_transaction_label (const_gimple gs)
4665 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4666 return gs->gimple_transaction.label;
4669 static inline tree *
4670 gimple_transaction_label_ptr (gimple gs)
4672 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4673 return &gs->gimple_transaction.label;
4676 /* Return the subcode associated with a GIMPLE_TRANSACTION. */
4678 static inline unsigned int
4679 gimple_transaction_subcode (const_gimple gs)
4681 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4682 return gs->gsbase.subcode;
4685 /* Set BODY to be the body for the GIMPLE_TRANSACTION statement GS. */
4688 gimple_transaction_set_body (gimple gs, gimple_seq body)
4690 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4691 gs->gimple_transaction.body = body;
4694 /* Set the label associated with a GIMPLE_TRANSACTION. */
4697 gimple_transaction_set_label (gimple gs, tree label)
4699 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4700 gs->gimple_transaction.label = label;
4703 /* Set the subcode associated with a GIMPLE_TRANSACTION. */
4706 gimple_transaction_set_subcode (gimple gs, unsigned int subcode)
4708 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4709 gs->gsbase.subcode = subcode;
4713 /* Return a pointer to the return value for GIMPLE_RETURN GS. */
4715 static inline tree *
4716 gimple_return_retval_ptr (const_gimple gs)
4718 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4719 return gimple_op_ptr (gs, 0);
4722 /* Return the return value for GIMPLE_RETURN GS. */
4725 gimple_return_retval (const_gimple gs)
4727 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4728 return gimple_op (gs, 0);
4732 /* Set RETVAL to be the return value for GIMPLE_RETURN GS. */
4735 gimple_return_set_retval (gimple gs, tree retval)
4737 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4738 gimple_set_op (gs, 0, retval);
4742 /* Returns true when the gimple statment STMT is any of the OpenMP types. */
4744 #define CASE_GIMPLE_OMP \
4745 case GIMPLE_OMP_PARALLEL: \
4746 case GIMPLE_OMP_TASK: \
4747 case GIMPLE_OMP_FOR: \
4748 case GIMPLE_OMP_SECTIONS: \
4749 case GIMPLE_OMP_SECTIONS_SWITCH: \
4750 case GIMPLE_OMP_SINGLE: \
4751 case GIMPLE_OMP_SECTION: \
4752 case GIMPLE_OMP_MASTER: \
4753 case GIMPLE_OMP_ORDERED: \
4754 case GIMPLE_OMP_CRITICAL: \
4755 case GIMPLE_OMP_RETURN: \
4756 case GIMPLE_OMP_ATOMIC_LOAD: \
4757 case GIMPLE_OMP_ATOMIC_STORE: \
4758 case GIMPLE_OMP_CONTINUE
4761 is_gimple_omp (const_gimple stmt)
4763 switch (gimple_code (stmt))
4773 /* Returns TRUE if statement G is a GIMPLE_NOP. */
4776 gimple_nop_p (const_gimple g)
4778 return gimple_code (g) == GIMPLE_NOP;
4782 /* Return true if GS is a GIMPLE_RESX. */
4785 is_gimple_resx (const_gimple gs)
4787 return gimple_code (gs) == GIMPLE_RESX;
4790 /* Return the predictor of GIMPLE_PREDICT statement GS. */
4792 static inline enum br_predictor
4793 gimple_predict_predictor (gimple gs)
4795 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4796 return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN);
4800 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */
4803 gimple_predict_set_predictor (gimple gs, enum br_predictor predictor)
4805 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4806 gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN)
4807 | (unsigned) predictor;
4811 /* Return the outcome of GIMPLE_PREDICT statement GS. */
4813 static inline enum prediction
4814 gimple_predict_outcome (gimple gs)
4816 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4817 return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN;
4821 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */
4824 gimple_predict_set_outcome (gimple gs, enum prediction outcome)
4826 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4827 if (outcome == TAKEN)
4828 gs->gsbase.subcode |= GF_PREDICT_TAKEN;
4830 gs->gsbase.subcode &= ~GF_PREDICT_TAKEN;
4834 /* Return the type of the main expression computed by STMT. Return
4835 void_type_node if the statement computes nothing. */
4838 gimple_expr_type (const_gimple stmt)
4840 enum gimple_code code = gimple_code (stmt);
4842 if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL)
4845 /* In general we want to pass out a type that can be substituted
4846 for both the RHS and the LHS types if there is a possibly
4847 useless conversion involved. That means returning the
4848 original RHS type as far as we can reconstruct it. */
4849 if (code == GIMPLE_CALL)
4850 type = gimple_call_return_type (stmt);
4852 switch (gimple_assign_rhs_code (stmt))
4854 case POINTER_PLUS_EXPR:
4855 type = TREE_TYPE (gimple_assign_rhs1 (stmt));
4859 /* As fallback use the type of the LHS. */
4860 type = TREE_TYPE (gimple_get_lhs (stmt));
4865 else if (code == GIMPLE_COND)
4866 return boolean_type_node;
4868 return void_type_node;
4871 /* Return true if TYPE is a suitable type for a scalar register variable. */
4874 is_gimple_reg_type (tree type)
4876 return !AGGREGATE_TYPE_P (type);
4879 /* Return a new iterator pointing to GIMPLE_SEQ's first statement. */
4881 static inline gimple_stmt_iterator
4882 gsi_start (gimple_seq seq)
4884 gimple_stmt_iterator i;
4886 i.ptr = gimple_seq_first (seq);
4888 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4894 /* Return a new iterator pointing to the first statement in basic block BB. */
4896 static inline gimple_stmt_iterator
4897 gsi_start_bb (basic_block bb)
4899 gimple_stmt_iterator i;
4903 i.ptr = gimple_seq_first (seq);
4911 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */
4913 static inline gimple_stmt_iterator
4914 gsi_last (gimple_seq seq)
4916 gimple_stmt_iterator i;
4918 i.ptr = gimple_seq_last (seq);
4920 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4926 /* Return a new iterator pointing to the last statement in basic block BB. */
4928 static inline gimple_stmt_iterator
4929 gsi_last_bb (basic_block bb)
4931 gimple_stmt_iterator i;
4935 i.ptr = gimple_seq_last (seq);
4943 /* Return true if I is at the end of its sequence. */
4946 gsi_end_p (gimple_stmt_iterator i)
4948 return i.ptr == NULL;
4952 /* Return true if I is one statement before the end of its sequence. */
4955 gsi_one_before_end_p (gimple_stmt_iterator i)
4957 return i.ptr != NULL && i.ptr->next == NULL;
4961 /* Advance the iterator to the next gimple statement. */
4964 gsi_next (gimple_stmt_iterator *i)
4966 i->ptr = i->ptr->next;
4969 /* Advance the iterator to the previous gimple statement. */
4972 gsi_prev (gimple_stmt_iterator *i)
4974 i->ptr = i->ptr->prev;
4977 /* Return the current stmt. */
4979 static inline gimple
4980 gsi_stmt (gimple_stmt_iterator i)
4985 /* Return a block statement iterator that points to the first non-label
4986 statement in block BB. */
4988 static inline gimple_stmt_iterator
4989 gsi_after_labels (basic_block bb)
4991 gimple_stmt_iterator gsi = gsi_start_bb (bb);
4993 while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL)
4999 /* Advance the iterator to the next non-debug gimple statement. */
5002 gsi_next_nondebug (gimple_stmt_iterator *i)
5008 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
5011 /* Advance the iterator to the next non-debug gimple statement. */
5014 gsi_prev_nondebug (gimple_stmt_iterator *i)
5020 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
5023 /* Return a new iterator pointing to the first non-debug statement in
5026 static inline gimple_stmt_iterator
5027 gsi_start_nondebug_bb (basic_block bb)
5029 gimple_stmt_iterator i = gsi_start_bb (bb);
5031 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
5032 gsi_next_nondebug (&i);
5037 /* Return a new iterator pointing to the last non-debug statement in
5040 static inline gimple_stmt_iterator
5041 gsi_last_nondebug_bb (basic_block bb)
5043 gimple_stmt_iterator i = gsi_last_bb (bb);
5045 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
5046 gsi_prev_nondebug (&i);
5051 /* Return a pointer to the current stmt.
5053 NOTE: You may want to use gsi_replace on the iterator itself,
5054 as this performs additional bookkeeping that will not be done
5055 if you simply assign through a pointer returned by gsi_stmt_ptr. */
5057 static inline gimple *
5058 gsi_stmt_ptr (gimple_stmt_iterator *i)
5060 return &i->ptr->stmt;
5064 /* Return the basic block associated with this iterator. */
5066 static inline basic_block
5067 gsi_bb (gimple_stmt_iterator i)
5073 /* Return the sequence associated with this iterator. */
5075 static inline gimple_seq
5076 gsi_seq (gimple_stmt_iterator i)
5082 enum gsi_iterator_update
5084 GSI_NEW_STMT, /* Only valid when single statement is added, move
5086 GSI_SAME_STMT, /* Leave the iterator at the same statement. */
5087 GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable
5088 for linking other statements in the same
5092 /* In gimple-iterator.c */
5093 gimple_stmt_iterator gsi_start_phis (basic_block);
5094 gimple_seq gsi_split_seq_after (gimple_stmt_iterator);
5095 gimple_seq gsi_split_seq_before (gimple_stmt_iterator *);
5096 void gsi_replace (gimple_stmt_iterator *, gimple, bool);
5097 void gsi_insert_before (gimple_stmt_iterator *, gimple,
5098 enum gsi_iterator_update);
5099 void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple,
5100 enum gsi_iterator_update);
5101 void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq,
5102 enum gsi_iterator_update);
5103 void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq,
5104 enum gsi_iterator_update);
5105 void gsi_insert_after (gimple_stmt_iterator *, gimple,
5106 enum gsi_iterator_update);
5107 void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple,
5108 enum gsi_iterator_update);
5109 void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq,
5110 enum gsi_iterator_update);
5111 void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq,
5112 enum gsi_iterator_update);
5113 void gsi_remove (gimple_stmt_iterator *, bool);
5114 gimple_stmt_iterator gsi_for_stmt (gimple);
5115 void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *);
5116 void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *);
5117 void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *);
5118 void gsi_insert_on_edge (edge, gimple);
5119 void gsi_insert_seq_on_edge (edge, gimple_seq);
5120 basic_block gsi_insert_on_edge_immediate (edge, gimple);
5121 basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq);
5122 void gsi_commit_one_edge_insert (edge, basic_block *);
5123 void gsi_commit_edge_inserts (void);
5124 gimple gimple_call_copy_skip_args (gimple, bitmap);
5127 /* Convenience routines to walk all statements of a gimple function.
5128 Note that this is useful exclusively before the code is converted
5129 into SSA form. Once the program is in SSA form, the standard
5130 operand interface should be used to analyze/modify statements. */
5131 struct walk_stmt_info
5133 /* Points to the current statement being walked. */
5134 gimple_stmt_iterator gsi;
5136 /* Additional data that the callback functions may want to carry
5137 through the recursion. */
5140 /* Pointer map used to mark visited tree nodes when calling
5141 walk_tree on each operand. If set to NULL, duplicate tree nodes
5142 will be visited more than once. */
5143 struct pointer_set_t *pset;
5145 /* Operand returned by the callbacks. This is set when calling
5146 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback
5147 returns non-NULL, this field will contain the tree returned by
5148 the last callback. */
5149 tree callback_result;
5151 /* Indicates whether the operand being examined may be replaced
5152 with something that matches is_gimple_val (if true) or something
5153 slightly more complicated (if false). "Something" technically
5154 means the common subset of is_gimple_lvalue and is_gimple_rhs,
5155 but we never try to form anything more complicated than that, so
5156 we don't bother checking.
5158 Also note that CALLBACK should update this flag while walking the
5159 sub-expressions of a statement. For instance, when walking the
5160 statement 'foo (&var)', the flag VAL_ONLY will initially be set
5161 to true, however, when walking &var, the operand of that
5162 ADDR_EXPR does not need to be a GIMPLE value. */
5163 BOOL_BITFIELD val_only : 1;
5165 /* True if we are currently walking the LHS of an assignment. */
5166 BOOL_BITFIELD is_lhs : 1;
5168 /* Optional. Set to true by the callback functions if they made any
5170 BOOL_BITFIELD changed : 1;
5172 /* True if we're interested in location information. */
5173 BOOL_BITFIELD want_locations : 1;
5175 /* True if we've removed the statement that was processed. */
5176 BOOL_BITFIELD removed_stmt : 1;
5179 /* Callback for walk_gimple_stmt. Called for every statement found
5180 during traversal. The first argument points to the statement to
5181 walk. The second argument is a flag that the callback sets to
5182 'true' if it the callback handled all the operands and
5183 sub-statements of the statement (the default value of this flag is
5184 'false'). The third argument is an anonymous pointer to data
5185 to be used by the callback. */
5186 typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *,
5187 struct walk_stmt_info *);
5189 gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn,
5190 struct walk_stmt_info *);
5191 tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn,
5192 struct walk_stmt_info *);
5193 tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *);
5195 #ifdef GATHER_STATISTICS
5196 /* Enum and arrays used for allocation stats. Keep in sync with
5197 gimple.c:gimple_alloc_kind_names. */
5198 enum gimple_alloc_kind
5200 gimple_alloc_kind_assign, /* Assignments. */
5201 gimple_alloc_kind_phi, /* PHI nodes. */
5202 gimple_alloc_kind_cond, /* Conditionals. */
5203 gimple_alloc_kind_seq, /* Sequences. */
5204 gimple_alloc_kind_rest, /* Everything else. */
5205 gimple_alloc_kind_all
5208 extern int gimple_alloc_counts[];
5209 extern int gimple_alloc_sizes[];
5211 /* Return the allocation kind for a given stmt CODE. */
5212 static inline enum gimple_alloc_kind
5213 gimple_alloc_kind (enum gimple_code code)
5218 return gimple_alloc_kind_assign;
5220 return gimple_alloc_kind_phi;
5222 return gimple_alloc_kind_cond;
5224 return gimple_alloc_kind_rest;
5227 #endif /* GATHER_STATISTICS */
5229 extern void dump_gimple_statistics (void);
5231 /* In gimple-fold.c. */
5232 void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree);
5233 tree gimple_fold_builtin (gimple);
5234 bool fold_stmt (gimple_stmt_iterator *);
5235 bool fold_stmt_inplace (gimple_stmt_iterator *);
5236 tree get_symbol_constant_value (tree);
5237 tree canonicalize_constructor_val (tree);
5238 extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree,
5239 enum tree_code, tree, tree);
5240 extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree,
5241 enum tree_code, tree, tree);
5243 bool gimple_val_nonnegative_real_p (tree);
5244 #endif /* GCC_GIMPLE_H */