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 /* Padding to get subcode to 16 bit alignment. */
311 /* The SUBCODE field can be used for tuple-specific flags for tuples
312 that do not require subcodes. Note that SUBCODE should be at
313 least as wide as tree codes, as several tuples store tree codes
315 unsigned int subcode : 16;
317 /* UID of this statement. This is used by passes that want to
318 assign IDs to statements. It must be assigned and used by each
319 pass. By default it should be assumed to contain garbage. */
323 Locus information for debug info. */
326 /* Number of operands in this tuple. */
330 Basic block holding this statement. */
331 struct basic_block_def *bb;
334 Lexical block holding this statement. */
339 /* Base structure for tuples with operands. */
341 struct GTY(()) gimple_statement_with_ops_base
344 struct gimple_statement_base gsbase;
347 SSA operand vectors. NOTE: It should be possible to
348 amalgamate these vectors with the operand vector OP. However,
349 the SSA operand vectors are organized differently and contain
350 more information (like immediate use chaining). */
351 struct def_optype_d GTY((skip (""))) *def_ops;
352 struct use_optype_d GTY((skip (""))) *use_ops;
356 /* Statements that take register operands. */
358 struct GTY(()) gimple_statement_with_ops
361 struct gimple_statement_with_ops_base opbase;
364 Operand vector. NOTE! This must always be the last field
365 of this structure. In particular, this means that this
366 structure cannot be embedded inside another one. */
367 tree GTY((length ("%h.opbase.gsbase.num_ops"))) op[1];
371 /* Base for statements that take both memory and register operands. */
373 struct GTY(()) gimple_statement_with_memory_ops_base
376 struct gimple_statement_with_ops_base opbase;
379 Virtual operands for this statement. The GC will pick them
380 up via the ssa_names array. */
381 tree GTY((skip (""))) vdef;
382 tree GTY((skip (""))) vuse;
386 /* Statements that take both memory and register operands. */
388 struct GTY(()) gimple_statement_with_memory_ops
391 struct gimple_statement_with_memory_ops_base membase;
394 Operand vector. NOTE! This must always be the last field
395 of this structure. In particular, this means that this
396 structure cannot be embedded inside another one. */
397 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
401 /* Call statements that take both memory and register operands. */
403 struct GTY(()) gimple_statement_call
406 struct gimple_statement_with_memory_ops_base membase;
409 struct pt_solution call_used;
410 struct pt_solution call_clobbered;
413 union GTY ((desc ("%1.membase.opbase.gsbase.subcode & GF_CALL_INTERNAL"))) {
414 tree GTY ((tag ("0"))) fntype;
415 enum internal_fn GTY ((tag ("GF_CALL_INTERNAL"))) internal_fn;
419 Operand vector. NOTE! This must always be the last field
420 of this structure. In particular, this means that this
421 structure cannot be embedded inside another one. */
422 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
426 /* OpenMP statements (#pragma omp). */
428 struct GTY(()) gimple_statement_omp {
430 struct gimple_statement_base gsbase;
439 struct GTY(()) gimple_statement_bind {
441 struct gimple_statement_base gsbase;
444 Variables declared in this scope. */
448 This is different than the BLOCK field in gimple_statement_base,
449 which is analogous to TREE_BLOCK (i.e., the lexical block holding
450 this statement). This field is the equivalent of BIND_EXPR_BLOCK
451 in tree land (i.e., the lexical scope defined by this bind). See
462 struct GTY(()) gimple_statement_catch {
464 struct gimple_statement_base gsbase;
474 /* GIMPLE_EH_FILTER */
476 struct GTY(()) gimple_statement_eh_filter {
478 struct gimple_statement_base gsbase;
491 struct GTY(()) gimple_statement_eh_else {
493 struct gimple_statement_base gsbase;
496 gimple_seq n_body, e_body;
499 /* GIMPLE_EH_MUST_NOT_THROW */
501 struct GTY(()) gimple_statement_eh_mnt {
503 struct gimple_statement_base gsbase;
505 /* [ WORD 5 ] Abort function decl. */
511 struct GTY(()) gimple_statement_phi {
513 struct gimple_statement_base gsbase;
523 struct phi_arg_d GTY ((length ("%h.nargs"))) args[1];
527 /* GIMPLE_RESX, GIMPLE_EH_DISPATCH */
529 struct GTY(()) gimple_statement_eh_ctrl
532 struct gimple_statement_base gsbase;
535 Exception region number. */
542 struct GTY(()) gimple_statement_try {
544 struct gimple_statement_base gsbase;
547 Expression to evaluate. */
551 Cleanup expression. */
555 /* Kind of GIMPLE_TRY statements. */
556 enum gimple_try_flags
559 GIMPLE_TRY_CATCH = 1 << 0,
562 GIMPLE_TRY_FINALLY = 1 << 1,
563 GIMPLE_TRY_KIND = GIMPLE_TRY_CATCH | GIMPLE_TRY_FINALLY,
565 /* Analogous to TRY_CATCH_IS_CLEANUP. */
566 GIMPLE_TRY_CATCH_IS_CLEANUP = 1 << 2
569 /* GIMPLE_WITH_CLEANUP_EXPR */
571 struct GTY(()) gimple_statement_wce {
573 struct gimple_statement_base gsbase;
575 /* Subcode: CLEANUP_EH_ONLY. True if the cleanup should only be
576 executed if an exception is thrown, not on normal exit of its
577 scope. This flag is analogous to the CLEANUP_EH_ONLY flag
581 Cleanup expression. */
588 struct GTY(()) gimple_statement_asm
591 struct gimple_statement_with_memory_ops_base membase;
594 __asm__ statement. */
598 Number of inputs, outputs, clobbers, labels. */
605 Operand vector. NOTE! This must always be the last field
606 of this structure. In particular, this means that this
607 structure cannot be embedded inside another one. */
608 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
611 /* GIMPLE_OMP_CRITICAL */
613 struct GTY(()) gimple_statement_omp_critical {
615 struct gimple_statement_omp omp;
618 Critical section name. */
623 struct GTY(()) gimple_omp_for_iter {
624 /* Condition code. */
627 /* Index variable. */
642 struct GTY(()) gimple_statement_omp_for {
644 struct gimple_statement_omp omp;
650 Number of elements in iter array. */
654 struct gimple_omp_for_iter * GTY((length ("%h.collapse"))) iter;
657 Pre-body evaluated before the loop body begins. */
662 /* GIMPLE_OMP_PARALLEL */
664 struct GTY(()) gimple_statement_omp_parallel {
666 struct gimple_statement_omp omp;
673 Child function holding the body of the parallel region. */
677 Shared data argument. */
682 /* GIMPLE_OMP_TASK */
684 struct GTY(()) gimple_statement_omp_task {
686 struct gimple_statement_omp_parallel par;
689 Child function holding firstprivate initialization if needed. */
693 Size and alignment in bytes of the argument data block. */
699 /* GIMPLE_OMP_SECTION */
700 /* Uses struct gimple_statement_omp. */
703 /* GIMPLE_OMP_SECTIONS */
705 struct GTY(()) gimple_statement_omp_sections {
707 struct gimple_statement_omp omp;
713 The control variable used for deciding which of the sections to
718 /* GIMPLE_OMP_CONTINUE.
720 Note: This does not inherit from gimple_statement_omp, because we
721 do not need the body field. */
723 struct GTY(()) gimple_statement_omp_continue {
725 struct gimple_statement_base gsbase;
734 /* GIMPLE_OMP_SINGLE */
736 struct GTY(()) gimple_statement_omp_single {
738 struct gimple_statement_omp omp;
745 /* GIMPLE_OMP_ATOMIC_LOAD.
746 Note: This is based on gimple_statement_base, not g_s_omp, because g_s_omp
747 contains a sequence, which we don't need here. */
749 struct GTY(()) gimple_statement_omp_atomic_load {
751 struct gimple_statement_base gsbase;
757 /* GIMPLE_OMP_ATOMIC_STORE.
758 See note on GIMPLE_OMP_ATOMIC_LOAD. */
760 struct GTY(()) gimple_statement_omp_atomic_store {
762 struct gimple_statement_base gsbase;
768 /* GIMPLE_TRANSACTION. */
770 /* Bits to be stored in the GIMPLE_TRANSACTION subcode. */
772 /* The __transaction_atomic was declared [[outer]] or it is
773 __transaction_relaxed. */
774 #define GTMA_IS_OUTER (1u << 0)
775 #define GTMA_IS_RELAXED (1u << 1)
776 #define GTMA_DECLARATION_MASK (GTMA_IS_OUTER | GTMA_IS_RELAXED)
778 /* The transaction is seen to not have an abort. */
779 #define GTMA_HAVE_ABORT (1u << 2)
780 /* The transaction is seen to have loads or stores. */
781 #define GTMA_HAVE_LOAD (1u << 3)
782 #define GTMA_HAVE_STORE (1u << 4)
783 /* The transaction MAY enter serial irrevocable mode in its dynamic scope. */
784 #define GTMA_MAY_ENTER_IRREVOCABLE (1u << 5)
785 /* The transaction WILL enter serial irrevocable mode.
786 An irrevocable block post-dominates the entire transaction, such
787 that all invocations of the transaction will go serial-irrevocable.
788 In such case, we don't bother instrumenting the transaction, and
789 tell the runtime that it should begin the transaction in
790 serial-irrevocable mode. */
791 #define GTMA_DOES_GO_IRREVOCABLE (1u << 6)
793 struct GTY(()) gimple_statement_transaction
796 struct gimple_statement_with_memory_ops_base gsbase;
805 #define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) SYM,
806 enum gimple_statement_structure_enum {
807 #include "gsstruct.def"
813 /* Define the overall contents of a gimple tuple. It may be any of the
814 structures declared above for various types of tuples. */
816 union GTY ((desc ("gimple_statement_structure (&%h)"), variable_size)) gimple_statement_d {
817 struct gimple_statement_base GTY ((tag ("GSS_BASE"))) gsbase;
818 struct gimple_statement_with_ops GTY ((tag ("GSS_WITH_OPS"))) gsops;
819 struct gimple_statement_with_memory_ops_base GTY ((tag ("GSS_WITH_MEM_OPS_BASE"))) gsmembase;
820 struct gimple_statement_with_memory_ops GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem;
821 struct gimple_statement_call GTY ((tag ("GSS_CALL"))) gimple_call;
822 struct gimple_statement_omp GTY ((tag ("GSS_OMP"))) omp;
823 struct gimple_statement_bind GTY ((tag ("GSS_BIND"))) gimple_bind;
824 struct gimple_statement_catch GTY ((tag ("GSS_CATCH"))) gimple_catch;
825 struct gimple_statement_eh_filter GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter;
826 struct gimple_statement_eh_mnt GTY ((tag ("GSS_EH_MNT"))) gimple_eh_mnt;
827 struct gimple_statement_eh_else GTY ((tag ("GSS_EH_ELSE"))) gimple_eh_else;
828 struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi;
829 struct gimple_statement_eh_ctrl GTY ((tag ("GSS_EH_CTRL"))) gimple_eh_ctrl;
830 struct gimple_statement_try GTY ((tag ("GSS_TRY"))) gimple_try;
831 struct gimple_statement_wce GTY ((tag ("GSS_WCE"))) gimple_wce;
832 struct gimple_statement_asm GTY ((tag ("GSS_ASM"))) gimple_asm;
833 struct gimple_statement_omp_critical GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical;
834 struct gimple_statement_omp_for GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for;
835 struct gimple_statement_omp_parallel GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel;
836 struct gimple_statement_omp_task GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task;
837 struct gimple_statement_omp_sections GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections;
838 struct gimple_statement_omp_single GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single;
839 struct gimple_statement_omp_continue GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue;
840 struct gimple_statement_omp_atomic_load GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load;
841 struct gimple_statement_omp_atomic_store GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store;
842 struct gimple_statement_transaction GTY((tag ("GSS_TRANSACTION"))) gimple_transaction;
847 /* Offset in bytes to the location of the operand vector.
848 Zero if there is no operand vector for this tuple structure. */
849 extern size_t const gimple_ops_offset_[];
851 /* Map GIMPLE codes to GSS codes. */
852 extern enum gimple_statement_structure_enum const gss_for_code_[];
854 /* This variable holds the currently expanded gimple statement for purposes
855 of comminucating the profile info to the builtin expanders. */
856 extern gimple currently_expanding_gimple_stmt;
858 gimple gimple_build_return (tree);
860 gimple gimple_build_assign_stat (tree, tree MEM_STAT_DECL);
861 #define gimple_build_assign(l,r) gimple_build_assign_stat (l, r MEM_STAT_INFO)
863 void extract_ops_from_tree_1 (tree, enum tree_code *, tree *, tree *, tree *);
865 gimple gimple_build_assign_with_ops_stat (enum tree_code, tree, tree,
866 tree, tree MEM_STAT_DECL);
867 #define gimple_build_assign_with_ops(c,o1,o2,o3) \
868 gimple_build_assign_with_ops_stat (c, o1, o2, o3, NULL_TREE MEM_STAT_INFO)
869 #define gimple_build_assign_with_ops3(c,o1,o2,o3,o4) \
870 gimple_build_assign_with_ops_stat (c, o1, o2, o3, o4 MEM_STAT_INFO)
872 gimple gimple_build_debug_bind_stat (tree, tree, gimple MEM_STAT_DECL);
873 #define gimple_build_debug_bind(var,val,stmt) \
874 gimple_build_debug_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
875 gimple gimple_build_debug_source_bind_stat (tree, tree, gimple MEM_STAT_DECL);
876 #define gimple_build_debug_source_bind(var,val,stmt) \
877 gimple_build_debug_source_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
879 gimple gimple_build_call_vec (tree, VEC(tree, heap) *);
880 gimple gimple_build_call (tree, unsigned, ...);
881 gimple gimple_build_call_valist (tree, unsigned, va_list);
882 gimple gimple_build_call_internal (enum internal_fn, unsigned, ...);
883 gimple gimple_build_call_internal_vec (enum internal_fn, VEC(tree, heap) *);
884 gimple gimple_build_call_from_tree (tree);
885 gimple gimplify_assign (tree, tree, gimple_seq *);
886 gimple gimple_build_cond (enum tree_code, tree, tree, tree, tree);
887 gimple gimple_build_label (tree label);
888 gimple gimple_build_goto (tree dest);
889 gimple gimple_build_nop (void);
890 gimple gimple_build_bind (tree, gimple_seq, tree);
891 gimple gimple_build_asm_vec (const char *, VEC(tree,gc) *, VEC(tree,gc) *,
892 VEC(tree,gc) *, VEC(tree,gc) *);
893 gimple gimple_build_catch (tree, gimple_seq);
894 gimple gimple_build_eh_filter (tree, gimple_seq);
895 gimple gimple_build_eh_must_not_throw (tree);
896 gimple gimple_build_eh_else (gimple_seq, gimple_seq);
897 gimple gimple_build_try (gimple_seq, gimple_seq, enum gimple_try_flags);
898 gimple gimple_build_wce (gimple_seq);
899 gimple gimple_build_resx (int);
900 gimple gimple_build_eh_dispatch (int);
901 gimple gimple_build_switch_nlabels (unsigned, tree, tree);
902 gimple gimple_build_switch (unsigned, tree, tree, ...);
903 gimple gimple_build_switch_vec (tree, tree, VEC(tree,heap) *);
904 gimple gimple_build_omp_parallel (gimple_seq, tree, tree, tree);
905 gimple gimple_build_omp_task (gimple_seq, tree, tree, tree, tree, tree, tree);
906 gimple gimple_build_omp_for (gimple_seq, tree, size_t, gimple_seq);
907 gimple gimple_build_omp_critical (gimple_seq, tree);
908 gimple gimple_build_omp_section (gimple_seq);
909 gimple gimple_build_omp_continue (tree, tree);
910 gimple gimple_build_omp_master (gimple_seq);
911 gimple gimple_build_omp_return (bool);
912 gimple gimple_build_omp_ordered (gimple_seq);
913 gimple gimple_build_omp_sections (gimple_seq, tree);
914 gimple gimple_build_omp_sections_switch (void);
915 gimple gimple_build_omp_single (gimple_seq, tree);
916 gimple gimple_build_cdt (tree, tree);
917 gimple gimple_build_omp_atomic_load (tree, tree);
918 gimple gimple_build_omp_atomic_store (tree);
919 gimple gimple_build_transaction (gimple_seq, tree);
920 gimple gimple_build_predict (enum br_predictor, enum prediction);
921 enum gimple_statement_structure_enum gss_for_assign (enum tree_code);
922 void sort_case_labels (VEC(tree,heap) *);
923 void gimple_set_body (tree, gimple_seq);
924 gimple_seq gimple_body (tree);
925 bool gimple_has_body_p (tree);
926 gimple_seq gimple_seq_alloc (void);
927 void gimple_seq_free (gimple_seq);
928 void gimple_seq_add_seq (gimple_seq *, gimple_seq);
929 gimple_seq gimple_seq_copy (gimple_seq);
930 bool gimple_call_same_target_p (const_gimple, const_gimple);
931 int gimple_call_flags (const_gimple);
932 int gimple_call_return_flags (const_gimple);
933 int gimple_call_arg_flags (const_gimple, unsigned);
934 void gimple_call_reset_alias_info (gimple);
935 bool gimple_assign_copy_p (gimple);
936 bool gimple_assign_ssa_name_copy_p (gimple);
937 bool gimple_assign_unary_nop_p (gimple);
938 void gimple_set_bb (gimple, struct basic_block_def *);
939 void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree);
940 void gimple_assign_set_rhs_with_ops_1 (gimple_stmt_iterator *, enum tree_code,
942 tree gimple_get_lhs (const_gimple);
943 void gimple_set_lhs (gimple, tree);
944 void gimple_replace_lhs (gimple, tree);
945 gimple gimple_copy (gimple);
946 void gimple_set_modified (gimple, bool);
947 void gimple_cond_get_ops_from_tree (tree, enum tree_code *, tree *, tree *);
948 gimple gimple_build_cond_from_tree (tree, tree, tree);
949 void gimple_cond_set_condition_from_tree (gimple, tree);
950 bool gimple_has_side_effects (const_gimple);
951 bool gimple_could_trap_p (gimple);
952 bool gimple_could_trap_p_1 (gimple, bool, bool);
953 bool gimple_assign_rhs_could_trap_p (gimple);
954 void gimple_regimplify_operands (gimple, gimple_stmt_iterator *);
955 bool empty_body_p (gimple_seq);
956 unsigned get_gimple_rhs_num_ops (enum tree_code);
957 #define gimple_alloc(c, n) gimple_alloc_stat (c, n MEM_STAT_INFO)
958 gimple gimple_alloc_stat (enum gimple_code, unsigned MEM_STAT_DECL);
959 const char *gimple_decl_printable_name (tree, int);
960 tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree);
961 void gimple_adjust_this_by_delta (gimple_stmt_iterator *, tree);
962 tree gimple_extract_devirt_binfo_from_cst (tree);
963 /* Returns true iff T is a valid GIMPLE statement. */
964 extern bool is_gimple_stmt (tree);
966 /* Returns true iff T is a scalar register variable. */
967 extern bool is_gimple_reg (tree);
968 /* Returns true iff T is any sort of variable. */
969 extern bool is_gimple_variable (tree);
970 /* Returns true iff T is any sort of symbol. */
971 extern bool is_gimple_id (tree);
972 /* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */
973 extern bool is_gimple_min_lval (tree);
974 /* Returns true iff T is something whose address can be taken. */
975 extern bool is_gimple_addressable (tree);
976 /* Returns true iff T is any valid GIMPLE lvalue. */
977 extern bool is_gimple_lvalue (tree);
979 /* Returns true iff T is a GIMPLE address. */
980 bool is_gimple_address (const_tree);
981 /* Returns true iff T is a GIMPLE invariant address. */
982 bool is_gimple_invariant_address (const_tree);
983 /* Returns true iff T is a GIMPLE invariant address at interprocedural
985 bool is_gimple_ip_invariant_address (const_tree);
986 /* Returns true iff T is a valid GIMPLE constant. */
987 bool is_gimple_constant (const_tree);
988 /* Returns true iff T is a GIMPLE restricted function invariant. */
989 extern bool is_gimple_min_invariant (const_tree);
990 /* Returns true iff T is a GIMPLE restricted interprecodural invariant. */
991 extern bool is_gimple_ip_invariant (const_tree);
992 /* Returns true iff T is a GIMPLE rvalue. */
993 extern bool is_gimple_val (tree);
994 /* Returns true iff T is a GIMPLE asm statement input. */
995 extern bool is_gimple_asm_val (tree);
996 /* Returns true iff T is a valid address operand of a MEM_REF. */
997 bool is_gimple_mem_ref_addr (tree);
998 /* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a
999 GIMPLE temporary, a renamed user variable, or something else,
1001 extern bool is_gimple_reg_rhs (tree);
1002 extern bool is_gimple_mem_rhs (tree);
1004 /* Returns true iff T is a valid if-statement condition. */
1005 extern bool is_gimple_condexpr (tree);
1007 /* Returns true iff T is a valid call address expression. */
1008 extern bool is_gimple_call_addr (tree);
1010 extern void recalculate_side_effects (tree);
1011 extern bool gimple_compare_field_offset (tree, tree);
1012 extern tree gimple_register_type (tree);
1013 extern tree gimple_register_canonical_type (tree);
1014 extern void print_gimple_types_stats (void);
1015 extern void free_gimple_type_tables (void);
1016 extern tree gimple_unsigned_type (tree);
1017 extern tree gimple_signed_type (tree);
1018 extern alias_set_type gimple_get_alias_set (tree);
1019 extern void count_uses_and_derefs (tree, gimple, unsigned *, unsigned *,
1021 extern bool walk_stmt_load_store_addr_ops (gimple, void *,
1022 bool (*)(gimple, tree, void *),
1023 bool (*)(gimple, tree, void *),
1024 bool (*)(gimple, tree, void *));
1025 extern bool walk_stmt_load_store_ops (gimple, void *,
1026 bool (*)(gimple, tree, void *),
1027 bool (*)(gimple, tree, void *));
1028 extern bool gimple_ior_addresses_taken (bitmap, gimple);
1029 extern bool gimple_call_builtin_p (gimple, enum built_in_function);
1030 extern bool gimple_asm_clobbers_memory_p (const_gimple);
1033 extern tree create_tmp_var_raw (tree, const char *);
1034 extern tree create_tmp_var_name (const char *);
1035 extern tree create_tmp_var (tree, const char *);
1036 extern tree create_tmp_reg (tree, const char *);
1037 extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *);
1038 extern tree get_formal_tmp_var (tree, gimple_seq *);
1039 extern void declare_vars (tree, gimple, bool);
1040 extern void annotate_all_with_location (gimple_seq, location_t);
1042 /* Validation of GIMPLE expressions. Note that these predicates only check
1043 the basic form of the expression, they don't recurse to make sure that
1044 underlying nodes are also of the right form. */
1045 typedef bool (*gimple_predicate)(tree);
1048 /* FIXME we should deduce this from the predicate. */
1050 fb_none = 0, /* Do not generate a temporary. */
1052 fb_rvalue = 1, /* Generate an rvalue to hold the result of a
1053 gimplified expression. */
1055 fb_lvalue = 2, /* Generate an lvalue to hold the result of a
1056 gimplified expression. */
1058 fb_mayfail = 4, /* Gimplification may fail. Error issued
1060 fb_either= fb_rvalue | fb_lvalue
1063 typedef int fallback_t;
1065 enum gimplify_status {
1066 GS_ERROR = -2, /* Something Bad Seen. */
1067 GS_UNHANDLED = -1, /* A langhook result for "I dunno". */
1068 GS_OK = 0, /* We did something, maybe more to do. */
1069 GS_ALL_DONE = 1 /* The expression is fully gimplified. */
1074 struct gimplify_ctx *prev_context;
1076 VEC(gimple,heap) *bind_expr_stack;
1078 gimple_seq conditional_cleanups;
1082 VEC(tree,heap) *case_labels;
1083 /* The formal temporary table. Should this be persistent? */
1089 bool allow_rhs_cond_expr;
1090 bool in_cleanup_point_expr;
1093 extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *,
1094 bool (*) (tree), fallback_t);
1095 extern void gimplify_type_sizes (tree, gimple_seq *);
1096 extern void gimplify_one_sizepos (tree *, gimple_seq *);
1097 extern bool gimplify_stmt (tree *, gimple_seq *);
1098 extern gimple gimplify_body (tree, bool);
1099 extern void push_gimplify_context (struct gimplify_ctx *);
1100 extern void pop_gimplify_context (gimple);
1101 extern void gimplify_and_add (tree, gimple_seq *);
1103 /* Miscellaneous helpers. */
1104 extern void gimple_add_tmp_var (tree);
1105 extern gimple gimple_current_bind_expr (void);
1106 extern VEC(gimple, heap) *gimple_bind_expr_stack (void);
1107 extern tree voidify_wrapper_expr (tree, tree);
1108 extern tree build_and_jump (tree *);
1109 extern tree force_labels_r (tree *, int *, void *);
1110 extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *,
1112 struct gimplify_omp_ctx;
1113 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree);
1114 extern tree gimple_boolify (tree);
1115 extern gimple_predicate rhs_predicate_for (tree);
1116 extern tree canonicalize_cond_expr_cond (tree);
1119 extern tree omp_reduction_init (tree, tree);
1121 /* In trans-mem.c. */
1122 extern void diagnose_tm_safe_errors (tree);
1124 /* In tree-nested.c. */
1125 extern void lower_nested_functions (tree);
1126 extern void insert_field_into_struct (tree, tree);
1128 /* In gimplify.c. */
1129 extern void gimplify_function_tree (tree);
1131 /* In cfgexpand.c. */
1132 extern tree gimple_assign_rhs_to_tree (gimple);
1135 extern bool validate_gimple_arglist (const_gimple, ...);
1138 extern bool tree_ssa_useless_type_conversion (tree);
1139 extern tree tree_ssa_strip_useless_type_conversions (tree);
1140 extern bool useless_type_conversion_p (tree, tree);
1141 extern bool types_compatible_p (tree, tree);
1143 /* Return the code for GIMPLE statement G. */
1145 static inline enum gimple_code
1146 gimple_code (const_gimple g)
1148 return g->gsbase.code;
1152 /* Return the GSS code used by a GIMPLE code. */
1154 static inline enum gimple_statement_structure_enum
1155 gss_for_code (enum gimple_code code)
1157 gcc_gimple_checking_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE);
1158 return gss_for_code_[code];
1162 /* Return which GSS code is used by GS. */
1164 static inline enum gimple_statement_structure_enum
1165 gimple_statement_structure (gimple gs)
1167 return gss_for_code (gimple_code (gs));
1171 /* Return true if statement G has sub-statements. This is only true for
1172 High GIMPLE statements. */
1175 gimple_has_substatements (gimple g)
1177 switch (gimple_code (g))
1181 case GIMPLE_EH_FILTER:
1182 case GIMPLE_EH_ELSE:
1184 case GIMPLE_OMP_FOR:
1185 case GIMPLE_OMP_MASTER:
1186 case GIMPLE_OMP_ORDERED:
1187 case GIMPLE_OMP_SECTION:
1188 case GIMPLE_OMP_PARALLEL:
1189 case GIMPLE_OMP_TASK:
1190 case GIMPLE_OMP_SECTIONS:
1191 case GIMPLE_OMP_SINGLE:
1192 case GIMPLE_OMP_CRITICAL:
1193 case GIMPLE_WITH_CLEANUP_EXPR:
1194 case GIMPLE_TRANSACTION:
1203 /* Return the basic block holding statement G. */
1205 static inline struct basic_block_def *
1206 gimple_bb (const_gimple g)
1208 return g->gsbase.bb;
1212 /* Return the lexical scope block holding statement G. */
1215 gimple_block (const_gimple g)
1217 return g->gsbase.block;
1221 /* Set BLOCK to be the lexical scope block holding statement G. */
1224 gimple_set_block (gimple g, tree block)
1226 g->gsbase.block = block;
1230 /* Return location information for statement G. */
1232 static inline location_t
1233 gimple_location (const_gimple g)
1235 return g->gsbase.location;
1238 /* Return pointer to location information for statement G. */
1240 static inline const location_t *
1241 gimple_location_ptr (const_gimple g)
1243 return &g->gsbase.location;
1247 /* Set location information for statement G. */
1250 gimple_set_location (gimple g, location_t location)
1252 g->gsbase.location = location;
1256 /* Return true if G contains location information. */
1259 gimple_has_location (const_gimple g)
1261 return gimple_location (g) != UNKNOWN_LOCATION;
1265 /* Return the file name of the location of STMT. */
1267 static inline const char *
1268 gimple_filename (const_gimple stmt)
1270 return LOCATION_FILE (gimple_location (stmt));
1274 /* Return the line number of the location of STMT. */
1277 gimple_lineno (const_gimple stmt)
1279 return LOCATION_LINE (gimple_location (stmt));
1283 /* Determine whether SEQ is a singleton. */
1286 gimple_seq_singleton_p (gimple_seq seq)
1288 return ((gimple_seq_first (seq) != NULL)
1289 && (gimple_seq_first (seq) == gimple_seq_last (seq)));
1292 /* Return true if no warnings should be emitted for statement STMT. */
1295 gimple_no_warning_p (const_gimple stmt)
1297 return stmt->gsbase.no_warning;
1300 /* Set the no_warning flag of STMT to NO_WARNING. */
1303 gimple_set_no_warning (gimple stmt, bool no_warning)
1305 stmt->gsbase.no_warning = (unsigned) no_warning;
1308 /* Set the visited status on statement STMT to VISITED_P. */
1311 gimple_set_visited (gimple stmt, bool visited_p)
1313 stmt->gsbase.visited = (unsigned) visited_p;
1317 /* Return the visited status for statement STMT. */
1320 gimple_visited_p (gimple stmt)
1322 return stmt->gsbase.visited;
1326 /* Set pass local flag PLF on statement STMT to VAL_P. */
1329 gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p)
1332 stmt->gsbase.plf |= (unsigned int) plf;
1334 stmt->gsbase.plf &= ~((unsigned int) plf);
1338 /* Return the value of pass local flag PLF on statement STMT. */
1340 static inline unsigned int
1341 gimple_plf (gimple stmt, enum plf_mask plf)
1343 return stmt->gsbase.plf & ((unsigned int) plf);
1347 /* Set the UID of statement. */
1350 gimple_set_uid (gimple g, unsigned uid)
1352 g->gsbase.uid = uid;
1356 /* Return the UID of statement. */
1358 static inline unsigned
1359 gimple_uid (const_gimple g)
1361 return g->gsbase.uid;
1365 /* Return true if GIMPLE statement G has register or memory operands. */
1368 gimple_has_ops (const_gimple g)
1370 return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN;
1374 /* Return true if GIMPLE statement G has memory operands. */
1377 gimple_has_mem_ops (const_gimple g)
1379 return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN;
1383 /* Return the set of DEF operands for statement G. */
1385 static inline struct def_optype_d *
1386 gimple_def_ops (const_gimple g)
1388 if (!gimple_has_ops (g))
1390 return g->gsops.opbase.def_ops;
1394 /* Set DEF to be the set of DEF operands for statement G. */
1397 gimple_set_def_ops (gimple g, struct def_optype_d *def)
1399 gcc_gimple_checking_assert (gimple_has_ops (g));
1400 g->gsops.opbase.def_ops = def;
1404 /* Return the set of USE operands for statement G. */
1406 static inline struct use_optype_d *
1407 gimple_use_ops (const_gimple g)
1409 if (!gimple_has_ops (g))
1411 return g->gsops.opbase.use_ops;
1415 /* Set USE to be the set of USE operands for statement G. */
1418 gimple_set_use_ops (gimple g, struct use_optype_d *use)
1420 gcc_gimple_checking_assert (gimple_has_ops (g));
1421 g->gsops.opbase.use_ops = use;
1425 /* Return the set of VUSE operand for statement G. */
1427 static inline use_operand_p
1428 gimple_vuse_op (const_gimple g)
1430 struct use_optype_d *ops;
1431 if (!gimple_has_mem_ops (g))
1432 return NULL_USE_OPERAND_P;
1433 ops = g->gsops.opbase.use_ops;
1435 && USE_OP_PTR (ops)->use == &g->gsmembase.vuse)
1436 return USE_OP_PTR (ops);
1437 return NULL_USE_OPERAND_P;
1440 /* Return the set of VDEF operand for statement G. */
1442 static inline def_operand_p
1443 gimple_vdef_op (const_gimple g)
1445 struct def_optype_d *ops;
1446 if (!gimple_has_mem_ops (g))
1447 return NULL_DEF_OPERAND_P;
1448 ops = g->gsops.opbase.def_ops;
1450 && DEF_OP_PTR (ops) == &g->gsmembase.vdef)
1451 return DEF_OP_PTR (ops);
1452 return NULL_DEF_OPERAND_P;
1456 /* Return the single VUSE operand of the statement G. */
1459 gimple_vuse (const_gimple g)
1461 if (!gimple_has_mem_ops (g))
1463 return g->gsmembase.vuse;
1466 /* Return the single VDEF operand of the statement G. */
1469 gimple_vdef (const_gimple g)
1471 if (!gimple_has_mem_ops (g))
1473 return g->gsmembase.vdef;
1476 /* Return the single VUSE operand of the statement G. */
1478 static inline tree *
1479 gimple_vuse_ptr (gimple g)
1481 if (!gimple_has_mem_ops (g))
1483 return &g->gsmembase.vuse;
1486 /* Return the single VDEF operand of the statement G. */
1488 static inline tree *
1489 gimple_vdef_ptr (gimple g)
1491 if (!gimple_has_mem_ops (g))
1493 return &g->gsmembase.vdef;
1496 /* Set the single VUSE operand of the statement G. */
1499 gimple_set_vuse (gimple g, tree vuse)
1501 gcc_gimple_checking_assert (gimple_has_mem_ops (g));
1502 g->gsmembase.vuse = vuse;
1505 /* Set the single VDEF operand of the statement G. */
1508 gimple_set_vdef (gimple g, tree vdef)
1510 gcc_gimple_checking_assert (gimple_has_mem_ops (g));
1511 g->gsmembase.vdef = vdef;
1515 /* Return true if statement G has operands and the modified field has
1519 gimple_modified_p (const_gimple g)
1521 return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false;
1525 /* Return the tree code for the expression computed by STMT. This is
1526 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For
1527 GIMPLE_CALL, return CALL_EXPR as the expression code for
1528 consistency. This is useful when the caller needs to deal with the
1529 three kinds of computation that GIMPLE supports. */
1531 static inline enum tree_code
1532 gimple_expr_code (const_gimple stmt)
1534 enum gimple_code code = gimple_code (stmt);
1535 if (code == GIMPLE_ASSIGN || code == GIMPLE_COND)
1536 return (enum tree_code) stmt->gsbase.subcode;
1539 gcc_gimple_checking_assert (code == GIMPLE_CALL);
1545 /* Mark statement S as modified, and update it. */
1548 update_stmt (gimple s)
1550 if (gimple_has_ops (s))
1552 gimple_set_modified (s, true);
1553 update_stmt_operands (s);
1557 /* Update statement S if it has been optimized. */
1560 update_stmt_if_modified (gimple s)
1562 if (gimple_modified_p (s))
1563 update_stmt_operands (s);
1566 /* Return true if statement STMT contains volatile operands. */
1569 gimple_has_volatile_ops (const_gimple stmt)
1571 if (gimple_has_mem_ops (stmt))
1572 return stmt->gsbase.has_volatile_ops;
1578 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */
1581 gimple_set_has_volatile_ops (gimple stmt, bool volatilep)
1583 if (gimple_has_mem_ops (stmt))
1584 stmt->gsbase.has_volatile_ops = (unsigned) volatilep;
1588 /* Return true if statement STMT may access memory. */
1591 gimple_references_memory_p (gimple stmt)
1593 return gimple_has_mem_ops (stmt) && gimple_vuse (stmt);
1597 /* Return the subcode for OMP statement S. */
1599 static inline unsigned
1600 gimple_omp_subcode (const_gimple s)
1602 gcc_gimple_checking_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD
1603 && gimple_code (s) <= GIMPLE_OMP_SINGLE);
1604 return s->gsbase.subcode;
1607 /* Set the subcode for OMP statement S to SUBCODE. */
1610 gimple_omp_set_subcode (gimple s, unsigned int subcode)
1612 /* We only have 16 bits for the subcode. Assert that we are not
1614 gcc_gimple_checking_assert (subcode < (1 << 16));
1615 s->gsbase.subcode = subcode;
1618 /* Set the nowait flag on OMP_RETURN statement S. */
1621 gimple_omp_return_set_nowait (gimple s)
1623 GIMPLE_CHECK (s, GIMPLE_OMP_RETURN);
1624 s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT;
1628 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT
1632 gimple_omp_return_nowait_p (const_gimple g)
1634 GIMPLE_CHECK (g, GIMPLE_OMP_RETURN);
1635 return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0;
1639 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST
1643 gimple_omp_section_last_p (const_gimple g)
1645 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1646 return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0;
1650 /* Set the GF_OMP_SECTION_LAST flag on G. */
1653 gimple_omp_section_set_last (gimple g)
1655 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1656 g->gsbase.subcode |= GF_OMP_SECTION_LAST;
1660 /* Return true if OMP parallel statement G has the
1661 GF_OMP_PARALLEL_COMBINED flag set. */
1664 gimple_omp_parallel_combined_p (const_gimple g)
1666 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1667 return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0;
1671 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean
1672 value of COMBINED_P. */
1675 gimple_omp_parallel_set_combined_p (gimple g, bool combined_p)
1677 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1679 g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED;
1681 g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED;
1685 /* Return true if OMP atomic load/store statement G has the
1686 GF_OMP_ATOMIC_NEED_VALUE flag set. */
1689 gimple_omp_atomic_need_value_p (const_gimple g)
1691 if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD)
1692 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
1693 return (gimple_omp_subcode (g) & GF_OMP_ATOMIC_NEED_VALUE) != 0;
1697 /* Set the GF_OMP_ATOMIC_NEED_VALUE flag on G. */
1700 gimple_omp_atomic_set_need_value (gimple g)
1702 if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD)
1703 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
1704 g->gsbase.subcode |= GF_OMP_ATOMIC_NEED_VALUE;
1708 /* Return the number of operands for statement GS. */
1710 static inline unsigned
1711 gimple_num_ops (const_gimple gs)
1713 return gs->gsbase.num_ops;
1717 /* Set the number of operands for statement GS. */
1720 gimple_set_num_ops (gimple gs, unsigned num_ops)
1722 gs->gsbase.num_ops = num_ops;
1726 /* Return the array of operands for statement GS. */
1728 static inline tree *
1729 gimple_ops (gimple gs)
1733 /* All the tuples have their operand vector at the very bottom
1734 of the structure. Note that those structures that do not
1735 have an operand vector have a zero offset. */
1736 off = gimple_ops_offset_[gimple_statement_structure (gs)];
1737 gcc_gimple_checking_assert (off != 0);
1739 return (tree *) ((char *) gs + off);
1743 /* Return operand I for statement GS. */
1746 gimple_op (const_gimple gs, unsigned i)
1748 if (gimple_has_ops (gs))
1750 gcc_gimple_checking_assert (i < gimple_num_ops (gs));
1751 return gimple_ops (CONST_CAST_GIMPLE (gs))[i];
1757 /* Return a pointer to operand I for statement GS. */
1759 static inline tree *
1760 gimple_op_ptr (const_gimple gs, unsigned i)
1762 if (gimple_has_ops (gs))
1764 gcc_gimple_checking_assert (i < gimple_num_ops (gs));
1765 return gimple_ops (CONST_CAST_GIMPLE (gs)) + i;
1771 /* Set operand I of statement GS to OP. */
1774 gimple_set_op (gimple gs, unsigned i, tree op)
1776 gcc_gimple_checking_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs));
1778 /* Note. It may be tempting to assert that OP matches
1779 is_gimple_operand, but that would be wrong. Different tuples
1780 accept slightly different sets of tree operands. Each caller
1781 should perform its own validation. */
1782 gimple_ops (gs)[i] = op;
1785 /* Return true if GS is a GIMPLE_ASSIGN. */
1788 is_gimple_assign (const_gimple gs)
1790 return gimple_code (gs) == GIMPLE_ASSIGN;
1793 /* Determine if expression CODE is one of the valid expressions that can
1794 be used on the RHS of GIMPLE assignments. */
1796 static inline enum gimple_rhs_class
1797 get_gimple_rhs_class (enum tree_code code)
1799 return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code];
1802 /* Return the LHS of assignment statement GS. */
1805 gimple_assign_lhs (const_gimple gs)
1807 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1808 return gimple_op (gs, 0);
1812 /* Return a pointer to the LHS of assignment statement GS. */
1814 static inline tree *
1815 gimple_assign_lhs_ptr (const_gimple gs)
1817 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1818 return gimple_op_ptr (gs, 0);
1822 /* Set LHS to be the LHS operand of assignment statement GS. */
1825 gimple_assign_set_lhs (gimple gs, tree lhs)
1827 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1828 gimple_set_op (gs, 0, lhs);
1830 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1831 SSA_NAME_DEF_STMT (lhs) = gs;
1835 /* Return the first operand on the RHS of assignment statement GS. */
1838 gimple_assign_rhs1 (const_gimple gs)
1840 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1841 return gimple_op (gs, 1);
1845 /* Return a pointer to the first operand on the RHS of assignment
1848 static inline tree *
1849 gimple_assign_rhs1_ptr (const_gimple gs)
1851 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1852 return gimple_op_ptr (gs, 1);
1855 /* Set RHS to be the first operand on the RHS of assignment statement GS. */
1858 gimple_assign_set_rhs1 (gimple gs, tree rhs)
1860 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1862 gimple_set_op (gs, 1, rhs);
1866 /* Return the second operand on the RHS of assignment statement GS.
1867 If GS does not have two operands, NULL is returned instead. */
1870 gimple_assign_rhs2 (const_gimple gs)
1872 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1874 if (gimple_num_ops (gs) >= 3)
1875 return gimple_op (gs, 2);
1881 /* Return a pointer to the second operand on the RHS of assignment
1884 static inline tree *
1885 gimple_assign_rhs2_ptr (const_gimple gs)
1887 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1888 return gimple_op_ptr (gs, 2);
1892 /* Set RHS to be the second operand on the RHS of assignment statement GS. */
1895 gimple_assign_set_rhs2 (gimple gs, tree rhs)
1897 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1899 gimple_set_op (gs, 2, rhs);
1902 /* Return the third operand on the RHS of assignment statement GS.
1903 If GS does not have two operands, NULL is returned instead. */
1906 gimple_assign_rhs3 (const_gimple gs)
1908 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1910 if (gimple_num_ops (gs) >= 4)
1911 return gimple_op (gs, 3);
1916 /* Return a pointer to the third operand on the RHS of assignment
1919 static inline tree *
1920 gimple_assign_rhs3_ptr (const_gimple gs)
1922 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1923 return gimple_op_ptr (gs, 3);
1927 /* Set RHS to be the third operand on the RHS of assignment statement GS. */
1930 gimple_assign_set_rhs3 (gimple gs, tree rhs)
1932 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1934 gimple_set_op (gs, 3, rhs);
1937 /* A wrapper around gimple_assign_set_rhs_with_ops_1, for callers which expect
1938 to see only a maximum of two operands. */
1941 gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *gsi, enum tree_code code,
1944 gimple_assign_set_rhs_with_ops_1 (gsi, code, op1, op2, NULL);
1947 /* A wrapper around extract_ops_from_tree_1, for callers which expect
1948 to see only a maximum of two operands. */
1951 extract_ops_from_tree (tree expr, enum tree_code *code, tree *op0,
1955 extract_ops_from_tree_1 (expr, code, op0, op1, &op2);
1956 gcc_assert (op2 == NULL_TREE);
1959 /* Returns true if GS is a nontemporal move. */
1962 gimple_assign_nontemporal_move_p (const_gimple gs)
1964 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1965 return gs->gsbase.nontemporal_move;
1968 /* Sets nontemporal move flag of GS to NONTEMPORAL. */
1971 gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal)
1973 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1974 gs->gsbase.nontemporal_move = nontemporal;
1978 /* Return the code of the expression computed on the rhs of assignment
1979 statement GS. In case that the RHS is a single object, returns the
1980 tree code of the object. */
1982 static inline enum tree_code
1983 gimple_assign_rhs_code (const_gimple gs)
1985 enum tree_code code;
1986 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1988 code = (enum tree_code) gs->gsbase.subcode;
1989 /* While we initially set subcode to the TREE_CODE of the rhs for
1990 GIMPLE_SINGLE_RHS assigns we do not update that subcode to stay
1991 in sync when we rewrite stmts into SSA form or do SSA propagations. */
1992 if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS)
1993 code = TREE_CODE (gimple_assign_rhs1 (gs));
1999 /* Set CODE to be the code for the expression computed on the RHS of
2003 gimple_assign_set_rhs_code (gimple s, enum tree_code code)
2005 GIMPLE_CHECK (s, GIMPLE_ASSIGN);
2006 s->gsbase.subcode = code;
2010 /* Return the gimple rhs class of the code of the expression computed on
2011 the rhs of assignment statement GS.
2012 This will never return GIMPLE_INVALID_RHS. */
2014 static inline enum gimple_rhs_class
2015 gimple_assign_rhs_class (const_gimple gs)
2017 return get_gimple_rhs_class (gimple_assign_rhs_code (gs));
2020 /* Return true if GS is an assignment with a singleton RHS, i.e.,
2021 there is no operator associated with the assignment itself.
2022 Unlike gimple_assign_copy_p, this predicate returns true for
2023 any RHS operand, including those that perform an operation
2024 and do not have the semantics of a copy, such as COND_EXPR. */
2027 gimple_assign_single_p (gimple gs)
2029 return (is_gimple_assign (gs)
2030 && gimple_assign_rhs_class (gs) == GIMPLE_SINGLE_RHS);
2034 /* Return true if S is a type-cast assignment. */
2037 gimple_assign_cast_p (gimple s)
2039 if (is_gimple_assign (s))
2041 enum tree_code sc = gimple_assign_rhs_code (s);
2042 return CONVERT_EXPR_CODE_P (sc)
2043 || sc == VIEW_CONVERT_EXPR
2044 || sc == FIX_TRUNC_EXPR;
2050 /* Return true if S is a clobber statement. */
2053 gimple_clobber_p (gimple s)
2055 return gimple_assign_single_p (s)
2056 && TREE_CLOBBER_P (gimple_assign_rhs1 (s));
2059 /* Return true if GS is a GIMPLE_CALL. */
2062 is_gimple_call (const_gimple gs)
2064 return gimple_code (gs) == GIMPLE_CALL;
2067 /* Return the LHS of call statement GS. */
2070 gimple_call_lhs (const_gimple gs)
2072 GIMPLE_CHECK (gs, GIMPLE_CALL);
2073 return gimple_op (gs, 0);
2077 /* Return a pointer to the LHS of call statement GS. */
2079 static inline tree *
2080 gimple_call_lhs_ptr (const_gimple gs)
2082 GIMPLE_CHECK (gs, GIMPLE_CALL);
2083 return gimple_op_ptr (gs, 0);
2087 /* Set LHS to be the LHS operand of call statement GS. */
2090 gimple_call_set_lhs (gimple gs, tree lhs)
2092 GIMPLE_CHECK (gs, GIMPLE_CALL);
2093 gimple_set_op (gs, 0, lhs);
2094 if (lhs && TREE_CODE (lhs) == SSA_NAME)
2095 SSA_NAME_DEF_STMT (lhs) = gs;
2099 /* Return true if call GS calls an internal-only function, as enumerated
2103 gimple_call_internal_p (const_gimple gs)
2105 GIMPLE_CHECK (gs, GIMPLE_CALL);
2106 return (gs->gsbase.subcode & GF_CALL_INTERNAL) != 0;
2110 /* Return the target of internal call GS. */
2112 static inline enum internal_fn
2113 gimple_call_internal_fn (const_gimple gs)
2115 gcc_gimple_checking_assert (gimple_call_internal_p (gs));
2116 return gs->gimple_call.u.internal_fn;
2120 /* Return the function type of the function called by GS. */
2123 gimple_call_fntype (const_gimple gs)
2125 GIMPLE_CHECK (gs, GIMPLE_CALL);
2126 if (gimple_call_internal_p (gs))
2128 return gs->gimple_call.u.fntype;
2131 /* Set the type of the function called by GS to FNTYPE. */
2134 gimple_call_set_fntype (gimple gs, tree fntype)
2136 GIMPLE_CHECK (gs, GIMPLE_CALL);
2137 gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
2138 gs->gimple_call.u.fntype = fntype;
2142 /* Return the tree node representing the function called by call
2146 gimple_call_fn (const_gimple gs)
2148 GIMPLE_CHECK (gs, GIMPLE_CALL);
2149 return gimple_op (gs, 1);
2152 /* Return a pointer to the tree node representing the function called by call
2155 static inline tree *
2156 gimple_call_fn_ptr (const_gimple gs)
2158 GIMPLE_CHECK (gs, GIMPLE_CALL);
2159 return gimple_op_ptr (gs, 1);
2163 /* Set FN to be the function called by call statement GS. */
2166 gimple_call_set_fn (gimple gs, tree fn)
2168 GIMPLE_CHECK (gs, GIMPLE_CALL);
2169 gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
2170 gimple_set_op (gs, 1, fn);
2174 /* Set FNDECL to be the function called by call statement GS. */
2177 gimple_call_set_fndecl (gimple gs, tree decl)
2179 GIMPLE_CHECK (gs, GIMPLE_CALL);
2180 gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
2181 gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl));
2185 /* Set internal function FN to be the function called by call statement GS. */
2188 gimple_call_set_internal_fn (gimple gs, enum internal_fn fn)
2190 GIMPLE_CHECK (gs, GIMPLE_CALL);
2191 gcc_gimple_checking_assert (gimple_call_internal_p (gs));
2192 gs->gimple_call.u.internal_fn = fn;
2196 /* Given a valid GIMPLE_CALL function address return the FUNCTION_DECL
2197 associated with the callee if known. Otherwise return NULL_TREE. */
2200 gimple_call_addr_fndecl (const_tree fn)
2202 if (fn && TREE_CODE (fn) == ADDR_EXPR)
2204 tree fndecl = TREE_OPERAND (fn, 0);
2205 if (TREE_CODE (fndecl) == MEM_REF
2206 && TREE_CODE (TREE_OPERAND (fndecl, 0)) == ADDR_EXPR
2207 && integer_zerop (TREE_OPERAND (fndecl, 1)))
2208 fndecl = TREE_OPERAND (TREE_OPERAND (fndecl, 0), 0);
2209 if (TREE_CODE (fndecl) == FUNCTION_DECL)
2215 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it.
2216 Otherwise return NULL. This function is analogous to
2217 get_callee_fndecl in tree land. */
2220 gimple_call_fndecl (const_gimple gs)
2222 return gimple_call_addr_fndecl (gimple_call_fn (gs));
2226 /* Return the type returned by call statement GS. */
2229 gimple_call_return_type (const_gimple gs)
2231 tree type = gimple_call_fntype (gs);
2233 if (type == NULL_TREE)
2234 return TREE_TYPE (gimple_call_lhs (gs));
2236 /* The type returned by a function is the type of its
2238 return TREE_TYPE (type);
2242 /* Return the static chain for call statement GS. */
2245 gimple_call_chain (const_gimple gs)
2247 GIMPLE_CHECK (gs, GIMPLE_CALL);
2248 return gimple_op (gs, 2);
2252 /* Return a pointer to the static chain for call statement GS. */
2254 static inline tree *
2255 gimple_call_chain_ptr (const_gimple gs)
2257 GIMPLE_CHECK (gs, GIMPLE_CALL);
2258 return gimple_op_ptr (gs, 2);
2261 /* Set CHAIN to be the static chain for call statement GS. */
2264 gimple_call_set_chain (gimple gs, tree chain)
2266 GIMPLE_CHECK (gs, GIMPLE_CALL);
2268 gimple_set_op (gs, 2, chain);
2272 /* Return the number of arguments used by call statement GS. */
2274 static inline unsigned
2275 gimple_call_num_args (const_gimple gs)
2278 GIMPLE_CHECK (gs, GIMPLE_CALL);
2279 num_ops = gimple_num_ops (gs);
2284 /* Return the argument at position INDEX for call statement GS. */
2287 gimple_call_arg (const_gimple gs, unsigned index)
2289 GIMPLE_CHECK (gs, GIMPLE_CALL);
2290 return gimple_op (gs, index + 3);
2294 /* Return a pointer to the argument at position INDEX for call
2297 static inline tree *
2298 gimple_call_arg_ptr (const_gimple gs, unsigned index)
2300 GIMPLE_CHECK (gs, GIMPLE_CALL);
2301 return gimple_op_ptr (gs, index + 3);
2305 /* Set ARG to be the argument at position INDEX for call statement GS. */
2308 gimple_call_set_arg (gimple gs, unsigned index, tree arg)
2310 GIMPLE_CHECK (gs, GIMPLE_CALL);
2311 gimple_set_op (gs, index + 3, arg);
2315 /* If TAIL_P is true, mark call statement S as being a tail call
2316 (i.e., a call just before the exit of a function). These calls are
2317 candidate for tail call optimization. */
2320 gimple_call_set_tail (gimple s, bool tail_p)
2322 GIMPLE_CHECK (s, GIMPLE_CALL);
2324 s->gsbase.subcode |= GF_CALL_TAILCALL;
2326 s->gsbase.subcode &= ~GF_CALL_TAILCALL;
2330 /* Return true if GIMPLE_CALL S is marked as a tail call. */
2333 gimple_call_tail_p (gimple s)
2335 GIMPLE_CHECK (s, GIMPLE_CALL);
2336 return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0;
2340 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return
2341 slot optimization. This transformation uses the target of the call
2342 expansion as the return slot for calls that return in memory. */
2345 gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p)
2347 GIMPLE_CHECK (s, GIMPLE_CALL);
2348 if (return_slot_opt_p)
2349 s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT;
2351 s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT;
2355 /* Return true if S is marked for return slot optimization. */
2358 gimple_call_return_slot_opt_p (gimple s)
2360 GIMPLE_CHECK (s, GIMPLE_CALL);
2361 return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0;
2365 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a
2366 thunk to the thunked-to function. */
2369 gimple_call_set_from_thunk (gimple s, bool from_thunk_p)
2371 GIMPLE_CHECK (s, GIMPLE_CALL);
2373 s->gsbase.subcode |= GF_CALL_FROM_THUNK;
2375 s->gsbase.subcode &= ~GF_CALL_FROM_THUNK;
2379 /* Return true if GIMPLE_CALL S is a jump from a thunk. */
2382 gimple_call_from_thunk_p (gimple s)
2384 GIMPLE_CHECK (s, GIMPLE_CALL);
2385 return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0;
2389 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the
2390 argument pack in its argument list. */
2393 gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p)
2395 GIMPLE_CHECK (s, GIMPLE_CALL);
2396 if (pass_arg_pack_p)
2397 s->gsbase.subcode |= GF_CALL_VA_ARG_PACK;
2399 s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK;
2403 /* Return true if GIMPLE_CALL S is a stdarg call that needs the
2404 argument pack in its argument list. */
2407 gimple_call_va_arg_pack_p (gimple s)
2409 GIMPLE_CHECK (s, GIMPLE_CALL);
2410 return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0;
2414 /* Return true if S is a noreturn call. */
2417 gimple_call_noreturn_p (gimple s)
2419 GIMPLE_CHECK (s, GIMPLE_CALL);
2420 return (gimple_call_flags (s) & ECF_NORETURN) != 0;
2424 /* If NOTHROW_P is true, GIMPLE_CALL S is a call that is known to not throw
2425 even if the called function can throw in other cases. */
2428 gimple_call_set_nothrow (gimple s, bool nothrow_p)
2430 GIMPLE_CHECK (s, GIMPLE_CALL);
2432 s->gsbase.subcode |= GF_CALL_NOTHROW;
2434 s->gsbase.subcode &= ~GF_CALL_NOTHROW;
2437 /* Return true if S is a nothrow call. */
2440 gimple_call_nothrow_p (gimple s)
2442 GIMPLE_CHECK (s, GIMPLE_CALL);
2443 return (gimple_call_flags (s) & ECF_NOTHROW) != 0;
2446 /* If FOR_VAR is true, GIMPLE_CALL S is a call to builtin_alloca that
2447 is known to be emitted for VLA objects. Those are wrapped by
2448 stack_save/stack_restore calls and hence can't lead to unbounded
2449 stack growth even when they occur in loops. */
2452 gimple_call_set_alloca_for_var (gimple s, bool for_var)
2454 GIMPLE_CHECK (s, GIMPLE_CALL);
2456 s->gsbase.subcode |= GF_CALL_ALLOCA_FOR_VAR;
2458 s->gsbase.subcode &= ~GF_CALL_ALLOCA_FOR_VAR;
2461 /* Return true of S is a call to builtin_alloca emitted for VLA objects. */
2464 gimple_call_alloca_for_var_p (gimple s)
2466 GIMPLE_CHECK (s, GIMPLE_CALL);
2467 return (s->gsbase.subcode & GF_CALL_ALLOCA_FOR_VAR) != 0;
2470 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */
2473 gimple_call_copy_flags (gimple dest_call, gimple orig_call)
2475 GIMPLE_CHECK (dest_call, GIMPLE_CALL);
2476 GIMPLE_CHECK (orig_call, GIMPLE_CALL);
2477 dest_call->gsbase.subcode = orig_call->gsbase.subcode;
2481 /* Return a pointer to the points-to solution for the set of call-used
2482 variables of the call CALL. */
2484 static inline struct pt_solution *
2485 gimple_call_use_set (gimple call)
2487 GIMPLE_CHECK (call, GIMPLE_CALL);
2488 return &call->gimple_call.call_used;
2492 /* Return a pointer to the points-to solution for the set of call-used
2493 variables of the call CALL. */
2495 static inline struct pt_solution *
2496 gimple_call_clobber_set (gimple call)
2498 GIMPLE_CHECK (call, GIMPLE_CALL);
2499 return &call->gimple_call.call_clobbered;
2503 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a
2507 gimple_has_lhs (gimple stmt)
2509 return (is_gimple_assign (stmt)
2510 || (is_gimple_call (stmt)
2511 && gimple_call_lhs (stmt) != NULL_TREE));
2515 /* Return the code of the predicate computed by conditional statement GS. */
2517 static inline enum tree_code
2518 gimple_cond_code (const_gimple gs)
2520 GIMPLE_CHECK (gs, GIMPLE_COND);
2521 return (enum tree_code) gs->gsbase.subcode;
2525 /* Set CODE to be the predicate code for the conditional statement GS. */
2528 gimple_cond_set_code (gimple gs, enum tree_code code)
2530 GIMPLE_CHECK (gs, GIMPLE_COND);
2531 gs->gsbase.subcode = code;
2535 /* Return the LHS of the predicate computed by conditional statement GS. */
2538 gimple_cond_lhs (const_gimple gs)
2540 GIMPLE_CHECK (gs, GIMPLE_COND);
2541 return gimple_op (gs, 0);
2544 /* Return the pointer to the LHS of the predicate computed by conditional
2547 static inline tree *
2548 gimple_cond_lhs_ptr (const_gimple gs)
2550 GIMPLE_CHECK (gs, GIMPLE_COND);
2551 return gimple_op_ptr (gs, 0);
2554 /* Set LHS to be the LHS operand of the predicate computed by
2555 conditional statement GS. */
2558 gimple_cond_set_lhs (gimple gs, tree lhs)
2560 GIMPLE_CHECK (gs, GIMPLE_COND);
2561 gimple_set_op (gs, 0, lhs);
2565 /* Return the RHS operand of the predicate computed by conditional GS. */
2568 gimple_cond_rhs (const_gimple gs)
2570 GIMPLE_CHECK (gs, GIMPLE_COND);
2571 return gimple_op (gs, 1);
2574 /* Return the pointer to the RHS operand of the predicate computed by
2577 static inline tree *
2578 gimple_cond_rhs_ptr (const_gimple gs)
2580 GIMPLE_CHECK (gs, GIMPLE_COND);
2581 return gimple_op_ptr (gs, 1);
2585 /* Set RHS to be the RHS operand of the predicate computed by
2586 conditional statement GS. */
2589 gimple_cond_set_rhs (gimple gs, tree rhs)
2591 GIMPLE_CHECK (gs, GIMPLE_COND);
2592 gimple_set_op (gs, 1, rhs);
2596 /* Return the label used by conditional statement GS when its
2597 predicate evaluates to true. */
2600 gimple_cond_true_label (const_gimple gs)
2602 GIMPLE_CHECK (gs, GIMPLE_COND);
2603 return gimple_op (gs, 2);
2607 /* Set LABEL to be the label used by conditional statement GS when its
2608 predicate evaluates to true. */
2611 gimple_cond_set_true_label (gimple gs, tree label)
2613 GIMPLE_CHECK (gs, GIMPLE_COND);
2614 gimple_set_op (gs, 2, label);
2618 /* Set LABEL to be the label used by conditional statement GS when its
2619 predicate evaluates to false. */
2622 gimple_cond_set_false_label (gimple gs, tree label)
2624 GIMPLE_CHECK (gs, GIMPLE_COND);
2625 gimple_set_op (gs, 3, label);
2629 /* Return the label used by conditional statement GS when its
2630 predicate evaluates to false. */
2633 gimple_cond_false_label (const_gimple gs)
2635 GIMPLE_CHECK (gs, GIMPLE_COND);
2636 return gimple_op (gs, 3);
2640 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */
2643 gimple_cond_make_false (gimple gs)
2645 gimple_cond_set_lhs (gs, boolean_true_node);
2646 gimple_cond_set_rhs (gs, boolean_false_node);
2647 gs->gsbase.subcode = EQ_EXPR;
2651 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */
2654 gimple_cond_make_true (gimple gs)
2656 gimple_cond_set_lhs (gs, boolean_true_node);
2657 gimple_cond_set_rhs (gs, boolean_true_node);
2658 gs->gsbase.subcode = EQ_EXPR;
2661 /* Check if conditional statemente GS is of the form 'if (1 == 1)',
2662 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */
2665 gimple_cond_true_p (const_gimple gs)
2667 tree lhs = gimple_cond_lhs (gs);
2668 tree rhs = gimple_cond_rhs (gs);
2669 enum tree_code code = gimple_cond_code (gs);
2671 if (lhs != boolean_true_node && lhs != boolean_false_node)
2674 if (rhs != boolean_true_node && rhs != boolean_false_node)
2677 if (code == NE_EXPR && lhs != rhs)
2680 if (code == EQ_EXPR && lhs == rhs)
2686 /* Check if conditional statement GS is of the form 'if (1 != 1)',
2687 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */
2690 gimple_cond_false_p (const_gimple gs)
2692 tree lhs = gimple_cond_lhs (gs);
2693 tree rhs = gimple_cond_rhs (gs);
2694 enum tree_code code = gimple_cond_code (gs);
2696 if (lhs != boolean_true_node && lhs != boolean_false_node)
2699 if (rhs != boolean_true_node && rhs != boolean_false_node)
2702 if (code == NE_EXPR && lhs == rhs)
2705 if (code == EQ_EXPR && lhs != rhs)
2711 /* Check if conditional statement GS is of the form 'if (var != 0)' or
2715 gimple_cond_single_var_p (gimple gs)
2717 if (gimple_cond_code (gs) == NE_EXPR
2718 && gimple_cond_rhs (gs) == boolean_false_node)
2721 if (gimple_cond_code (gs) == EQ_EXPR
2722 && gimple_cond_rhs (gs) == boolean_true_node)
2728 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */
2731 gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs)
2733 gimple_cond_set_code (stmt, code);
2734 gimple_cond_set_lhs (stmt, lhs);
2735 gimple_cond_set_rhs (stmt, rhs);
2738 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */
2741 gimple_label_label (const_gimple gs)
2743 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2744 return gimple_op (gs, 0);
2748 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement
2752 gimple_label_set_label (gimple gs, tree label)
2754 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2755 gimple_set_op (gs, 0, label);
2759 /* Return the destination of the unconditional jump GS. */
2762 gimple_goto_dest (const_gimple gs)
2764 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2765 return gimple_op (gs, 0);
2769 /* Set DEST to be the destination of the unconditonal jump GS. */
2772 gimple_goto_set_dest (gimple gs, tree dest)
2774 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2775 gimple_set_op (gs, 0, dest);
2779 /* Return the variables declared in the GIMPLE_BIND statement GS. */
2782 gimple_bind_vars (const_gimple gs)
2784 GIMPLE_CHECK (gs, GIMPLE_BIND);
2785 return gs->gimple_bind.vars;
2789 /* Set VARS to be the set of variables declared in the GIMPLE_BIND
2793 gimple_bind_set_vars (gimple gs, tree vars)
2795 GIMPLE_CHECK (gs, GIMPLE_BIND);
2796 gs->gimple_bind.vars = vars;
2800 /* Append VARS to the set of variables declared in the GIMPLE_BIND
2804 gimple_bind_append_vars (gimple gs, tree vars)
2806 GIMPLE_CHECK (gs, GIMPLE_BIND);
2807 gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars);
2811 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */
2813 static inline gimple_seq
2814 gimple_bind_body (gimple gs)
2816 GIMPLE_CHECK (gs, GIMPLE_BIND);
2817 return gs->gimple_bind.body;
2821 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND
2825 gimple_bind_set_body (gimple gs, gimple_seq seq)
2827 GIMPLE_CHECK (gs, GIMPLE_BIND);
2828 gs->gimple_bind.body = seq;
2832 /* Append a statement to the end of a GIMPLE_BIND's body. */
2835 gimple_bind_add_stmt (gimple gs, gimple stmt)
2837 GIMPLE_CHECK (gs, GIMPLE_BIND);
2838 gimple_seq_add_stmt (&gs->gimple_bind.body, stmt);
2842 /* Append a sequence of statements to the end of a GIMPLE_BIND's body. */
2845 gimple_bind_add_seq (gimple gs, gimple_seq seq)
2847 GIMPLE_CHECK (gs, GIMPLE_BIND);
2848 gimple_seq_add_seq (&gs->gimple_bind.body, seq);
2852 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement
2853 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */
2856 gimple_bind_block (const_gimple gs)
2858 GIMPLE_CHECK (gs, GIMPLE_BIND);
2859 return gs->gimple_bind.block;
2863 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND
2867 gimple_bind_set_block (gimple gs, tree block)
2869 GIMPLE_CHECK (gs, GIMPLE_BIND);
2870 gcc_gimple_checking_assert (block == NULL_TREE
2871 || TREE_CODE (block) == BLOCK);
2872 gs->gimple_bind.block = block;
2876 /* Return the number of input operands for GIMPLE_ASM GS. */
2878 static inline unsigned
2879 gimple_asm_ninputs (const_gimple gs)
2881 GIMPLE_CHECK (gs, GIMPLE_ASM);
2882 return gs->gimple_asm.ni;
2886 /* Return the number of output operands for GIMPLE_ASM GS. */
2888 static inline unsigned
2889 gimple_asm_noutputs (const_gimple gs)
2891 GIMPLE_CHECK (gs, GIMPLE_ASM);
2892 return gs->gimple_asm.no;
2896 /* Return the number of clobber operands for GIMPLE_ASM GS. */
2898 static inline unsigned
2899 gimple_asm_nclobbers (const_gimple gs)
2901 GIMPLE_CHECK (gs, GIMPLE_ASM);
2902 return gs->gimple_asm.nc;
2905 /* Return the number of label operands for GIMPLE_ASM GS. */
2907 static inline unsigned
2908 gimple_asm_nlabels (const_gimple gs)
2910 GIMPLE_CHECK (gs, GIMPLE_ASM);
2911 return gs->gimple_asm.nl;
2914 /* Return input operand INDEX of GIMPLE_ASM GS. */
2917 gimple_asm_input_op (const_gimple gs, unsigned index)
2919 GIMPLE_CHECK (gs, GIMPLE_ASM);
2920 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni);
2921 return gimple_op (gs, index);
2924 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */
2926 static inline tree *
2927 gimple_asm_input_op_ptr (const_gimple gs, unsigned index)
2929 GIMPLE_CHECK (gs, GIMPLE_ASM);
2930 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni);
2931 return gimple_op_ptr (gs, index);
2935 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */
2938 gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op)
2940 GIMPLE_CHECK (gs, GIMPLE_ASM);
2941 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni
2942 && TREE_CODE (in_op) == TREE_LIST);
2943 gimple_set_op (gs, index, in_op);
2947 /* Return output operand INDEX of GIMPLE_ASM GS. */
2950 gimple_asm_output_op (const_gimple gs, unsigned index)
2952 GIMPLE_CHECK (gs, GIMPLE_ASM);
2953 gcc_gimple_checking_assert (index <= gs->gimple_asm.no);
2954 return gimple_op (gs, index + gs->gimple_asm.ni);
2957 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */
2959 static inline tree *
2960 gimple_asm_output_op_ptr (const_gimple gs, unsigned index)
2962 GIMPLE_CHECK (gs, GIMPLE_ASM);
2963 gcc_gimple_checking_assert (index <= gs->gimple_asm.no);
2964 return gimple_op_ptr (gs, index + gs->gimple_asm.ni);
2968 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */
2971 gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op)
2973 GIMPLE_CHECK (gs, GIMPLE_ASM);
2974 gcc_gimple_checking_assert (index <= gs->gimple_asm.no
2975 && TREE_CODE (out_op) == TREE_LIST);
2976 gimple_set_op (gs, index + gs->gimple_asm.ni, out_op);
2980 /* Return clobber operand INDEX of GIMPLE_ASM GS. */
2983 gimple_asm_clobber_op (const_gimple gs, unsigned index)
2985 GIMPLE_CHECK (gs, GIMPLE_ASM);
2986 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc);
2987 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no);
2991 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */
2994 gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op)
2996 GIMPLE_CHECK (gs, GIMPLE_ASM);
2997 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc
2998 && TREE_CODE (clobber_op) == TREE_LIST);
2999 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op);
3002 /* Return label operand INDEX of GIMPLE_ASM GS. */
3005 gimple_asm_label_op (const_gimple gs, unsigned index)
3007 GIMPLE_CHECK (gs, GIMPLE_ASM);
3008 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl);
3009 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc);
3012 /* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS. */
3015 gimple_asm_set_label_op (gimple gs, unsigned index, tree label_op)
3017 GIMPLE_CHECK (gs, GIMPLE_ASM);
3018 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl
3019 && TREE_CODE (label_op) == TREE_LIST);
3020 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc, label_op);
3023 /* Return the string representing the assembly instruction in
3026 static inline const char *
3027 gimple_asm_string (const_gimple gs)
3029 GIMPLE_CHECK (gs, GIMPLE_ASM);
3030 return gs->gimple_asm.string;
3034 /* Return true if GS is an asm statement marked volatile. */
3037 gimple_asm_volatile_p (const_gimple gs)
3039 GIMPLE_CHECK (gs, GIMPLE_ASM);
3040 return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0;
3044 /* If VOLATLE_P is true, mark asm statement GS as volatile. */
3047 gimple_asm_set_volatile (gimple gs, bool volatile_p)
3049 GIMPLE_CHECK (gs, GIMPLE_ASM);
3051 gs->gsbase.subcode |= GF_ASM_VOLATILE;
3053 gs->gsbase.subcode &= ~GF_ASM_VOLATILE;
3057 /* If INPUT_P is true, mark asm GS as an ASM_INPUT. */
3060 gimple_asm_set_input (gimple gs, bool input_p)
3062 GIMPLE_CHECK (gs, GIMPLE_ASM);
3064 gs->gsbase.subcode |= GF_ASM_INPUT;
3066 gs->gsbase.subcode &= ~GF_ASM_INPUT;
3070 /* Return true if asm GS is an ASM_INPUT. */
3073 gimple_asm_input_p (const_gimple gs)
3075 GIMPLE_CHECK (gs, GIMPLE_ASM);
3076 return (gs->gsbase.subcode & GF_ASM_INPUT) != 0;
3080 /* Return the types handled by GIMPLE_CATCH statement GS. */
3083 gimple_catch_types (const_gimple gs)
3085 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3086 return gs->gimple_catch.types;
3090 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */
3092 static inline tree *
3093 gimple_catch_types_ptr (gimple gs)
3095 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3096 return &gs->gimple_catch.types;
3100 /* Return the GIMPLE sequence representing the body of the handler of
3101 GIMPLE_CATCH statement GS. */
3103 static inline gimple_seq
3104 gimple_catch_handler (gimple gs)
3106 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3107 return gs->gimple_catch.handler;
3111 /* Return a pointer to the GIMPLE sequence representing the body of
3112 the handler of GIMPLE_CATCH statement GS. */
3114 static inline gimple_seq *
3115 gimple_catch_handler_ptr (gimple gs)
3117 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3118 return &gs->gimple_catch.handler;
3122 /* Set T to be the set of types handled by GIMPLE_CATCH GS. */
3125 gimple_catch_set_types (gimple gs, tree t)
3127 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3128 gs->gimple_catch.types = t;
3132 /* Set HANDLER to be the body of GIMPLE_CATCH GS. */
3135 gimple_catch_set_handler (gimple gs, gimple_seq handler)
3137 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3138 gs->gimple_catch.handler = handler;
3142 /* Return the types handled by GIMPLE_EH_FILTER statement GS. */
3145 gimple_eh_filter_types (const_gimple gs)
3147 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3148 return gs->gimple_eh_filter.types;
3152 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement
3155 static inline tree *
3156 gimple_eh_filter_types_ptr (gimple gs)
3158 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3159 return &gs->gimple_eh_filter.types;
3163 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER
3166 static inline gimple_seq
3167 gimple_eh_filter_failure (gimple gs)
3169 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3170 return gs->gimple_eh_filter.failure;
3174 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */
3177 gimple_eh_filter_set_types (gimple gs, tree types)
3179 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3180 gs->gimple_eh_filter.types = types;
3184 /* Set FAILURE to be the sequence of statements to execute on failure
3185 for GIMPLE_EH_FILTER GS. */
3188 gimple_eh_filter_set_failure (gimple gs, gimple_seq failure)
3190 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3191 gs->gimple_eh_filter.failure = failure;
3194 /* Get the function decl to be called by the MUST_NOT_THROW region. */
3197 gimple_eh_must_not_throw_fndecl (gimple gs)
3199 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
3200 return gs->gimple_eh_mnt.fndecl;
3203 /* Set the function decl to be called by GS to DECL. */
3206 gimple_eh_must_not_throw_set_fndecl (gimple gs, tree decl)
3208 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
3209 gs->gimple_eh_mnt.fndecl = decl;
3212 /* GIMPLE_EH_ELSE accessors. */
3214 static inline gimple_seq
3215 gimple_eh_else_n_body (gimple gs)
3217 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3218 return gs->gimple_eh_else.n_body;
3221 static inline gimple_seq
3222 gimple_eh_else_e_body (gimple gs)
3224 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3225 return gs->gimple_eh_else.e_body;
3229 gimple_eh_else_set_n_body (gimple gs, gimple_seq seq)
3231 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3232 gs->gimple_eh_else.n_body = seq;
3236 gimple_eh_else_set_e_body (gimple gs, gimple_seq seq)
3238 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3239 gs->gimple_eh_else.e_body = seq;
3242 /* GIMPLE_TRY accessors. */
3244 /* Return the kind of try block represented by GIMPLE_TRY GS. This is
3245 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */
3247 static inline enum gimple_try_flags
3248 gimple_try_kind (const_gimple gs)
3250 GIMPLE_CHECK (gs, GIMPLE_TRY);
3251 return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND);
3255 /* Set the kind of try block represented by GIMPLE_TRY GS. */
3258 gimple_try_set_kind (gimple gs, enum gimple_try_flags kind)
3260 GIMPLE_CHECK (gs, GIMPLE_TRY);
3261 gcc_gimple_checking_assert (kind == GIMPLE_TRY_CATCH
3262 || kind == GIMPLE_TRY_FINALLY);
3263 if (gimple_try_kind (gs) != kind)
3264 gs->gsbase.subcode = (unsigned int) kind;
3268 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3271 gimple_try_catch_is_cleanup (const_gimple gs)
3273 gcc_gimple_checking_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH);
3274 return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0;
3278 /* Return the sequence of statements used as the body for GIMPLE_TRY GS. */
3280 static inline gimple_seq
3281 gimple_try_eval (gimple gs)
3283 GIMPLE_CHECK (gs, GIMPLE_TRY);
3284 return gs->gimple_try.eval;
3288 /* Return the sequence of statements used as the cleanup body for
3291 static inline gimple_seq
3292 gimple_try_cleanup (gimple gs)
3294 GIMPLE_CHECK (gs, GIMPLE_TRY);
3295 return gs->gimple_try.cleanup;
3299 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3302 gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup)
3304 gcc_gimple_checking_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH);
3305 if (catch_is_cleanup)
3306 g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP;
3308 g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP;
3312 /* Set EVAL to be the sequence of statements to use as the body for
3316 gimple_try_set_eval (gimple gs, gimple_seq eval)
3318 GIMPLE_CHECK (gs, GIMPLE_TRY);
3319 gs->gimple_try.eval = eval;
3323 /* Set CLEANUP to be the sequence of statements to use as the cleanup
3324 body for GIMPLE_TRY GS. */
3327 gimple_try_set_cleanup (gimple gs, gimple_seq cleanup)
3329 GIMPLE_CHECK (gs, GIMPLE_TRY);
3330 gs->gimple_try.cleanup = cleanup;
3334 /* Return the cleanup sequence for cleanup statement GS. */
3336 static inline gimple_seq
3337 gimple_wce_cleanup (gimple gs)
3339 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3340 return gs->gimple_wce.cleanup;
3344 /* Set CLEANUP to be the cleanup sequence for GS. */
3347 gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup)
3349 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3350 gs->gimple_wce.cleanup = cleanup;
3354 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */
3357 gimple_wce_cleanup_eh_only (const_gimple gs)
3359 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3360 return gs->gsbase.subcode != 0;
3364 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */
3367 gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p)
3369 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3370 gs->gsbase.subcode = (unsigned int) eh_only_p;
3374 /* Return the maximum number of arguments supported by GIMPLE_PHI GS. */
3376 static inline unsigned
3377 gimple_phi_capacity (const_gimple gs)
3379 GIMPLE_CHECK (gs, GIMPLE_PHI);
3380 return gs->gimple_phi.capacity;
3384 /* Return the number of arguments in GIMPLE_PHI GS. This must always
3385 be exactly the number of incoming edges for the basic block holding
3388 static inline unsigned
3389 gimple_phi_num_args (const_gimple gs)
3391 GIMPLE_CHECK (gs, GIMPLE_PHI);
3392 return gs->gimple_phi.nargs;
3396 /* Return the SSA name created by GIMPLE_PHI GS. */
3399 gimple_phi_result (const_gimple gs)
3401 GIMPLE_CHECK (gs, GIMPLE_PHI);
3402 return gs->gimple_phi.result;
3405 /* Return a pointer to the SSA name created by GIMPLE_PHI GS. */
3407 static inline tree *
3408 gimple_phi_result_ptr (gimple gs)
3410 GIMPLE_CHECK (gs, GIMPLE_PHI);
3411 return &gs->gimple_phi.result;
3414 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */
3417 gimple_phi_set_result (gimple gs, tree result)
3419 GIMPLE_CHECK (gs, GIMPLE_PHI);
3420 gs->gimple_phi.result = result;
3424 /* Return the PHI argument corresponding to incoming edge INDEX for
3427 static inline struct phi_arg_d *
3428 gimple_phi_arg (gimple gs, unsigned index)
3430 GIMPLE_CHECK (gs, GIMPLE_PHI);
3431 gcc_gimple_checking_assert (index <= gs->gimple_phi.capacity);
3432 return &(gs->gimple_phi.args[index]);
3435 /* Set PHIARG to be the argument corresponding to incoming edge INDEX
3436 for GIMPLE_PHI GS. */
3439 gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg)
3441 GIMPLE_CHECK (gs, GIMPLE_PHI);
3442 gcc_gimple_checking_assert (index <= gs->gimple_phi.nargs);
3443 gs->gimple_phi.args[index] = *phiarg;
3446 /* Return the region number for GIMPLE_RESX GS. */
3449 gimple_resx_region (const_gimple gs)
3451 GIMPLE_CHECK (gs, GIMPLE_RESX);
3452 return gs->gimple_eh_ctrl.region;
3455 /* Set REGION to be the region number for GIMPLE_RESX GS. */
3458 gimple_resx_set_region (gimple gs, int region)
3460 GIMPLE_CHECK (gs, GIMPLE_RESX);
3461 gs->gimple_eh_ctrl.region = region;
3464 /* Return the region number for GIMPLE_EH_DISPATCH GS. */
3467 gimple_eh_dispatch_region (const_gimple gs)
3469 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3470 return gs->gimple_eh_ctrl.region;
3473 /* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS. */
3476 gimple_eh_dispatch_set_region (gimple gs, int region)
3478 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3479 gs->gimple_eh_ctrl.region = region;
3482 /* Return the number of labels associated with the switch statement GS. */
3484 static inline unsigned
3485 gimple_switch_num_labels (const_gimple gs)
3488 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3489 num_ops = gimple_num_ops (gs);
3490 gcc_gimple_checking_assert (num_ops > 1);
3495 /* Set NLABELS to be the number of labels for the switch statement GS. */
3498 gimple_switch_set_num_labels (gimple g, unsigned nlabels)
3500 GIMPLE_CHECK (g, GIMPLE_SWITCH);
3501 gimple_set_num_ops (g, nlabels + 1);
3505 /* Return the index variable used by the switch statement GS. */
3508 gimple_switch_index (const_gimple gs)
3510 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3511 return gimple_op (gs, 0);
3515 /* Return a pointer to the index variable for the switch statement GS. */
3517 static inline tree *
3518 gimple_switch_index_ptr (const_gimple gs)
3520 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3521 return gimple_op_ptr (gs, 0);
3525 /* Set INDEX to be the index variable for switch statement GS. */
3528 gimple_switch_set_index (gimple gs, tree index)
3530 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3531 gcc_gimple_checking_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index));
3532 gimple_set_op (gs, 0, index);
3536 /* Return the label numbered INDEX. The default label is 0, followed by any
3537 labels in a switch statement. */
3540 gimple_switch_label (const_gimple gs, unsigned index)
3542 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3543 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1);
3544 return gimple_op (gs, index + 1);
3547 /* Set the label number INDEX to LABEL. 0 is always the default label. */
3550 gimple_switch_set_label (gimple gs, unsigned index, tree label)
3552 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3553 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1
3554 && (label == NULL_TREE
3555 || TREE_CODE (label) == CASE_LABEL_EXPR));
3556 gimple_set_op (gs, index + 1, label);
3559 /* Return the default label for a switch statement. */
3562 gimple_switch_default_label (const_gimple gs)
3564 return gimple_switch_label (gs, 0);
3567 /* Set the default label for a switch statement. */
3570 gimple_switch_set_default_label (gimple gs, tree label)
3572 gimple_switch_set_label (gs, 0, label);
3575 /* Return true if GS is a GIMPLE_DEBUG statement. */
3578 is_gimple_debug (const_gimple gs)
3580 return gimple_code (gs) == GIMPLE_DEBUG;
3583 /* Return true if S is a GIMPLE_DEBUG BIND statement. */
3586 gimple_debug_bind_p (const_gimple s)
3588 if (is_gimple_debug (s))
3589 return s->gsbase.subcode == GIMPLE_DEBUG_BIND;
3594 /* Return the variable bound in a GIMPLE_DEBUG bind statement. */
3597 gimple_debug_bind_get_var (gimple dbg)
3599 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3600 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3601 return gimple_op (dbg, 0);
3604 /* Return the value bound to the variable in a GIMPLE_DEBUG bind
3608 gimple_debug_bind_get_value (gimple dbg)
3610 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3611 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3612 return gimple_op (dbg, 1);
3615 /* Return a pointer to the value bound to the variable in a
3616 GIMPLE_DEBUG bind statement. */
3618 static inline tree *
3619 gimple_debug_bind_get_value_ptr (gimple dbg)
3621 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3622 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3623 return gimple_op_ptr (dbg, 1);
3626 /* Set the variable bound in a GIMPLE_DEBUG bind statement. */
3629 gimple_debug_bind_set_var (gimple dbg, tree var)
3631 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3632 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3633 gimple_set_op (dbg, 0, var);
3636 /* Set the value bound to the variable in a GIMPLE_DEBUG bind
3640 gimple_debug_bind_set_value (gimple dbg, tree value)
3642 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3643 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3644 gimple_set_op (dbg, 1, value);
3647 /* The second operand of a GIMPLE_DEBUG_BIND, when the value was
3649 #define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */
3651 /* Remove the value bound to the variable in a GIMPLE_DEBUG bind
3655 gimple_debug_bind_reset_value (gimple dbg)
3657 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3658 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3659 gimple_set_op (dbg, 1, GIMPLE_DEBUG_BIND_NOVALUE);
3662 /* Return true if the GIMPLE_DEBUG bind statement is bound to a
3666 gimple_debug_bind_has_value_p (gimple dbg)
3668 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3669 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3670 return gimple_op (dbg, 1) != GIMPLE_DEBUG_BIND_NOVALUE;
3673 #undef GIMPLE_DEBUG_BIND_NOVALUE
3675 /* Return true if S is a GIMPLE_DEBUG SOURCE BIND statement. */
3678 gimple_debug_source_bind_p (const_gimple s)
3680 if (is_gimple_debug (s))
3681 return s->gsbase.subcode == GIMPLE_DEBUG_SOURCE_BIND;
3686 /* Return the variable bound in a GIMPLE_DEBUG source bind statement. */
3689 gimple_debug_source_bind_get_var (gimple dbg)
3691 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3692 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3693 return gimple_op (dbg, 0);
3696 /* Return the value bound to the variable in a GIMPLE_DEBUG source bind
3700 gimple_debug_source_bind_get_value (gimple dbg)
3702 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3703 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3704 return gimple_op (dbg, 1);
3707 /* Return a pointer to the value bound to the variable in a
3708 GIMPLE_DEBUG source bind statement. */
3710 static inline tree *
3711 gimple_debug_source_bind_get_value_ptr (gimple dbg)
3713 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3714 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3715 return gimple_op_ptr (dbg, 1);
3718 /* Set the variable bound in a GIMPLE_DEBUG source bind statement. */
3721 gimple_debug_source_bind_set_var (gimple dbg, tree var)
3723 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3724 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3725 gimple_set_op (dbg, 0, var);
3728 /* Set the value bound to the variable in a GIMPLE_DEBUG source bind
3732 gimple_debug_source_bind_set_value (gimple dbg, tree value)
3734 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3735 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3736 gimple_set_op (dbg, 1, value);
3739 /* Return the body for the OMP statement GS. */
3741 static inline gimple_seq
3742 gimple_omp_body (gimple gs)
3744 return gs->omp.body;
3747 /* Set BODY to be the body for the OMP statement GS. */
3750 gimple_omp_set_body (gimple gs, gimple_seq body)
3752 gs->omp.body = body;
3756 /* Return the name associated with OMP_CRITICAL statement GS. */
3759 gimple_omp_critical_name (const_gimple gs)
3761 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3762 return gs->gimple_omp_critical.name;
3766 /* Return a pointer to the name associated with OMP critical statement GS. */
3768 static inline tree *
3769 gimple_omp_critical_name_ptr (gimple gs)
3771 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3772 return &gs->gimple_omp_critical.name;
3776 /* Set NAME to be the name associated with OMP critical statement GS. */
3779 gimple_omp_critical_set_name (gimple gs, tree name)
3781 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3782 gs->gimple_omp_critical.name = name;
3786 /* Return the clauses associated with OMP_FOR GS. */
3789 gimple_omp_for_clauses (const_gimple gs)
3791 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3792 return gs->gimple_omp_for.clauses;
3796 /* Return a pointer to the OMP_FOR GS. */
3798 static inline tree *
3799 gimple_omp_for_clauses_ptr (gimple gs)
3801 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3802 return &gs->gimple_omp_for.clauses;
3806 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */
3809 gimple_omp_for_set_clauses (gimple gs, tree clauses)
3811 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3812 gs->gimple_omp_for.clauses = clauses;
3816 /* Get the collapse count of OMP_FOR GS. */
3818 static inline size_t
3819 gimple_omp_for_collapse (gimple gs)
3821 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3822 return gs->gimple_omp_for.collapse;
3826 /* Return the index variable for OMP_FOR GS. */
3829 gimple_omp_for_index (const_gimple gs, size_t i)
3831 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3832 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3833 return gs->gimple_omp_for.iter[i].index;
3837 /* Return a pointer to the index variable for OMP_FOR GS. */
3839 static inline tree *
3840 gimple_omp_for_index_ptr (gimple gs, size_t i)
3842 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3843 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3844 return &gs->gimple_omp_for.iter[i].index;
3848 /* Set INDEX to be the index variable for OMP_FOR GS. */
3851 gimple_omp_for_set_index (gimple gs, size_t i, tree index)
3853 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3854 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3855 gs->gimple_omp_for.iter[i].index = index;
3859 /* Return the initial value for OMP_FOR GS. */
3862 gimple_omp_for_initial (const_gimple gs, size_t i)
3864 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3865 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3866 return gs->gimple_omp_for.iter[i].initial;
3870 /* Return a pointer to the initial value for OMP_FOR GS. */
3872 static inline tree *
3873 gimple_omp_for_initial_ptr (gimple gs, size_t i)
3875 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3876 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3877 return &gs->gimple_omp_for.iter[i].initial;
3881 /* Set INITIAL to be the initial value for OMP_FOR GS. */
3884 gimple_omp_for_set_initial (gimple gs, size_t i, tree initial)
3886 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3887 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3888 gs->gimple_omp_for.iter[i].initial = initial;
3892 /* Return the final value for OMP_FOR GS. */
3895 gimple_omp_for_final (const_gimple gs, size_t i)
3897 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3898 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3899 return gs->gimple_omp_for.iter[i].final;
3903 /* Return a pointer to the final value for OMP_FOR GS. */
3905 static inline tree *
3906 gimple_omp_for_final_ptr (gimple gs, size_t i)
3908 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3909 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3910 return &gs->gimple_omp_for.iter[i].final;
3914 /* Set FINAL to be the final value for OMP_FOR GS. */
3917 gimple_omp_for_set_final (gimple gs, size_t i, tree final)
3919 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3920 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3921 gs->gimple_omp_for.iter[i].final = final;
3925 /* Return the increment value for OMP_FOR GS. */
3928 gimple_omp_for_incr (const_gimple gs, size_t i)
3930 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3931 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3932 return gs->gimple_omp_for.iter[i].incr;
3936 /* Return a pointer to the increment value for OMP_FOR GS. */
3938 static inline tree *
3939 gimple_omp_for_incr_ptr (gimple gs, size_t i)
3941 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3942 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3943 return &gs->gimple_omp_for.iter[i].incr;
3947 /* Set INCR to be the increment value for OMP_FOR GS. */
3950 gimple_omp_for_set_incr (gimple gs, size_t i, tree incr)
3952 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3953 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3954 gs->gimple_omp_for.iter[i].incr = incr;
3958 /* Return the sequence of statements to execute before the OMP_FOR
3959 statement GS starts. */
3961 static inline gimple_seq
3962 gimple_omp_for_pre_body (gimple gs)
3964 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3965 return gs->gimple_omp_for.pre_body;
3969 /* Set PRE_BODY to be the sequence of statements to execute before the
3970 OMP_FOR statement GS starts. */
3973 gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body)
3975 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3976 gs->gimple_omp_for.pre_body = pre_body;
3980 /* Return the clauses associated with OMP_PARALLEL GS. */
3983 gimple_omp_parallel_clauses (const_gimple gs)
3985 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3986 return gs->gimple_omp_parallel.clauses;
3990 /* Return a pointer to the clauses associated with OMP_PARALLEL GS. */
3992 static inline tree *
3993 gimple_omp_parallel_clauses_ptr (gimple gs)
3995 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3996 return &gs->gimple_omp_parallel.clauses;
4000 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL
4004 gimple_omp_parallel_set_clauses (gimple gs, tree clauses)
4006 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4007 gs->gimple_omp_parallel.clauses = clauses;
4011 /* Return the child function used to hold the body of OMP_PARALLEL GS. */
4014 gimple_omp_parallel_child_fn (const_gimple gs)
4016 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4017 return gs->gimple_omp_parallel.child_fn;
4020 /* Return a pointer to the child function used to hold the body of
4023 static inline tree *
4024 gimple_omp_parallel_child_fn_ptr (gimple gs)
4026 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4027 return &gs->gimple_omp_parallel.child_fn;
4031 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */
4034 gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn)
4036 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4037 gs->gimple_omp_parallel.child_fn = child_fn;
4041 /* Return the artificial argument used to send variables and values
4042 from the parent to the children threads in OMP_PARALLEL GS. */
4045 gimple_omp_parallel_data_arg (const_gimple gs)
4047 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4048 return gs->gimple_omp_parallel.data_arg;
4052 /* Return a pointer to the data argument for OMP_PARALLEL GS. */
4054 static inline tree *
4055 gimple_omp_parallel_data_arg_ptr (gimple gs)
4057 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4058 return &gs->gimple_omp_parallel.data_arg;
4062 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */
4065 gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg)
4067 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4068 gs->gimple_omp_parallel.data_arg = data_arg;
4072 /* Return the clauses associated with OMP_TASK GS. */
4075 gimple_omp_task_clauses (const_gimple gs)
4077 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4078 return gs->gimple_omp_parallel.clauses;
4082 /* Return a pointer to the clauses associated with OMP_TASK GS. */
4084 static inline tree *
4085 gimple_omp_task_clauses_ptr (gimple gs)
4087 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4088 return &gs->gimple_omp_parallel.clauses;
4092 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
4096 gimple_omp_task_set_clauses (gimple gs, tree clauses)
4098 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4099 gs->gimple_omp_parallel.clauses = clauses;
4103 /* Return the child function used to hold the body of OMP_TASK GS. */
4106 gimple_omp_task_child_fn (const_gimple gs)
4108 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4109 return gs->gimple_omp_parallel.child_fn;
4112 /* Return a pointer to the child function used to hold the body of
4115 static inline tree *
4116 gimple_omp_task_child_fn_ptr (gimple gs)
4118 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4119 return &gs->gimple_omp_parallel.child_fn;
4123 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
4126 gimple_omp_task_set_child_fn (gimple gs, tree child_fn)
4128 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4129 gs->gimple_omp_parallel.child_fn = child_fn;
4133 /* Return the artificial argument used to send variables and values
4134 from the parent to the children threads in OMP_TASK GS. */
4137 gimple_omp_task_data_arg (const_gimple gs)
4139 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4140 return gs->gimple_omp_parallel.data_arg;
4144 /* Return a pointer to the data argument for OMP_TASK GS. */
4146 static inline tree *
4147 gimple_omp_task_data_arg_ptr (gimple gs)
4149 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4150 return &gs->gimple_omp_parallel.data_arg;
4154 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
4157 gimple_omp_task_set_data_arg (gimple gs, tree data_arg)
4159 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4160 gs->gimple_omp_parallel.data_arg = data_arg;
4164 /* Return the clauses associated with OMP_TASK GS. */
4167 gimple_omp_taskreg_clauses (const_gimple gs)
4169 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4170 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4171 return gs->gimple_omp_parallel.clauses;
4175 /* Return a pointer to the clauses associated with OMP_TASK GS. */
4177 static inline tree *
4178 gimple_omp_taskreg_clauses_ptr (gimple gs)
4180 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4181 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4182 return &gs->gimple_omp_parallel.clauses;
4186 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
4190 gimple_omp_taskreg_set_clauses (gimple gs, tree clauses)
4192 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4193 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4194 gs->gimple_omp_parallel.clauses = clauses;
4198 /* Return the child function used to hold the body of OMP_TASK GS. */
4201 gimple_omp_taskreg_child_fn (const_gimple gs)
4203 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4204 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4205 return gs->gimple_omp_parallel.child_fn;
4208 /* Return a pointer to the child function used to hold the body of
4211 static inline tree *
4212 gimple_omp_taskreg_child_fn_ptr (gimple gs)
4214 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4215 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4216 return &gs->gimple_omp_parallel.child_fn;
4220 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
4223 gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn)
4225 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4226 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4227 gs->gimple_omp_parallel.child_fn = child_fn;
4231 /* Return the artificial argument used to send variables and values
4232 from the parent to the children threads in OMP_TASK GS. */
4235 gimple_omp_taskreg_data_arg (const_gimple gs)
4237 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4238 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4239 return gs->gimple_omp_parallel.data_arg;
4243 /* Return a pointer to the data argument for OMP_TASK GS. */
4245 static inline tree *
4246 gimple_omp_taskreg_data_arg_ptr (gimple gs)
4248 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4249 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4250 return &gs->gimple_omp_parallel.data_arg;
4254 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
4257 gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg)
4259 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4260 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4261 gs->gimple_omp_parallel.data_arg = data_arg;
4265 /* Return the copy function used to hold the body of OMP_TASK GS. */
4268 gimple_omp_task_copy_fn (const_gimple gs)
4270 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4271 return gs->gimple_omp_task.copy_fn;
4274 /* Return a pointer to the copy function used to hold the body of
4277 static inline tree *
4278 gimple_omp_task_copy_fn_ptr (gimple gs)
4280 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4281 return &gs->gimple_omp_task.copy_fn;
4285 /* Set CHILD_FN to be the copy function for OMP_TASK GS. */
4288 gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn)
4290 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4291 gs->gimple_omp_task.copy_fn = copy_fn;
4295 /* Return size of the data block in bytes in OMP_TASK GS. */
4298 gimple_omp_task_arg_size (const_gimple gs)
4300 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4301 return gs->gimple_omp_task.arg_size;
4305 /* Return a pointer to the data block size for OMP_TASK GS. */
4307 static inline tree *
4308 gimple_omp_task_arg_size_ptr (gimple gs)
4310 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4311 return &gs->gimple_omp_task.arg_size;
4315 /* Set ARG_SIZE to be the data block size for OMP_TASK GS. */
4318 gimple_omp_task_set_arg_size (gimple gs, tree arg_size)
4320 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4321 gs->gimple_omp_task.arg_size = arg_size;
4325 /* Return align of the data block in bytes in OMP_TASK GS. */
4328 gimple_omp_task_arg_align (const_gimple gs)
4330 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4331 return gs->gimple_omp_task.arg_align;
4335 /* Return a pointer to the data block align for OMP_TASK GS. */
4337 static inline tree *
4338 gimple_omp_task_arg_align_ptr (gimple gs)
4340 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4341 return &gs->gimple_omp_task.arg_align;
4345 /* Set ARG_SIZE to be the data block align for OMP_TASK GS. */
4348 gimple_omp_task_set_arg_align (gimple gs, tree arg_align)
4350 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4351 gs->gimple_omp_task.arg_align = arg_align;
4355 /* Return the clauses associated with OMP_SINGLE GS. */
4358 gimple_omp_single_clauses (const_gimple gs)
4360 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4361 return gs->gimple_omp_single.clauses;
4365 /* Return a pointer to the clauses associated with OMP_SINGLE GS. */
4367 static inline tree *
4368 gimple_omp_single_clauses_ptr (gimple gs)
4370 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4371 return &gs->gimple_omp_single.clauses;
4375 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */
4378 gimple_omp_single_set_clauses (gimple gs, tree clauses)
4380 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4381 gs->gimple_omp_single.clauses = clauses;
4385 /* Return the clauses associated with OMP_SECTIONS GS. */
4388 gimple_omp_sections_clauses (const_gimple gs)
4390 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4391 return gs->gimple_omp_sections.clauses;
4395 /* Return a pointer to the clauses associated with OMP_SECTIONS GS. */
4397 static inline tree *
4398 gimple_omp_sections_clauses_ptr (gimple gs)
4400 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4401 return &gs->gimple_omp_sections.clauses;
4405 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS
4409 gimple_omp_sections_set_clauses (gimple gs, tree clauses)
4411 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4412 gs->gimple_omp_sections.clauses = clauses;
4416 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS
4420 gimple_omp_sections_control (const_gimple gs)
4422 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4423 return gs->gimple_omp_sections.control;
4427 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS
4430 static inline tree *
4431 gimple_omp_sections_control_ptr (gimple gs)
4433 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4434 return &gs->gimple_omp_sections.control;
4438 /* Set CONTROL to be the set of clauses associated with the
4439 GIMPLE_OMP_SECTIONS in GS. */
4442 gimple_omp_sections_set_control (gimple gs, tree control)
4444 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4445 gs->gimple_omp_sections.control = control;
4449 /* Set COND to be the condition code for OMP_FOR GS. */
4452 gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond)
4454 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4455 gcc_gimple_checking_assert (TREE_CODE_CLASS (cond) == tcc_comparison
4456 && i < gs->gimple_omp_for.collapse);
4457 gs->gimple_omp_for.iter[i].cond = cond;
4461 /* Return the condition code associated with OMP_FOR GS. */
4463 static inline enum tree_code
4464 gimple_omp_for_cond (const_gimple gs, size_t i)
4466 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4467 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
4468 return gs->gimple_omp_for.iter[i].cond;
4472 /* Set the value being stored in an atomic store. */
4475 gimple_omp_atomic_store_set_val (gimple g, tree val)
4477 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4478 g->gimple_omp_atomic_store.val = val;
4482 /* Return the value being stored in an atomic store. */
4485 gimple_omp_atomic_store_val (const_gimple g)
4487 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4488 return g->gimple_omp_atomic_store.val;
4492 /* Return a pointer to the value being stored in an atomic store. */
4494 static inline tree *
4495 gimple_omp_atomic_store_val_ptr (gimple g)
4497 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4498 return &g->gimple_omp_atomic_store.val;
4502 /* Set the LHS of an atomic load. */
4505 gimple_omp_atomic_load_set_lhs (gimple g, tree lhs)
4507 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4508 g->gimple_omp_atomic_load.lhs = lhs;
4512 /* Get the LHS of an atomic load. */
4515 gimple_omp_atomic_load_lhs (const_gimple g)
4517 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4518 return g->gimple_omp_atomic_load.lhs;
4522 /* Return a pointer to the LHS of an atomic load. */
4524 static inline tree *
4525 gimple_omp_atomic_load_lhs_ptr (gimple g)
4527 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4528 return &g->gimple_omp_atomic_load.lhs;
4532 /* Set the RHS of an atomic load. */
4535 gimple_omp_atomic_load_set_rhs (gimple g, tree rhs)
4537 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4538 g->gimple_omp_atomic_load.rhs = rhs;
4542 /* Get the RHS of an atomic load. */
4545 gimple_omp_atomic_load_rhs (const_gimple g)
4547 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4548 return g->gimple_omp_atomic_load.rhs;
4552 /* Return a pointer to the RHS of an atomic load. */
4554 static inline tree *
4555 gimple_omp_atomic_load_rhs_ptr (gimple g)
4557 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4558 return &g->gimple_omp_atomic_load.rhs;
4562 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4565 gimple_omp_continue_control_def (const_gimple g)
4567 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4568 return g->gimple_omp_continue.control_def;
4571 /* The same as above, but return the address. */
4573 static inline tree *
4574 gimple_omp_continue_control_def_ptr (gimple g)
4576 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4577 return &g->gimple_omp_continue.control_def;
4580 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4583 gimple_omp_continue_set_control_def (gimple g, tree def)
4585 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4586 g->gimple_omp_continue.control_def = def;
4590 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4593 gimple_omp_continue_control_use (const_gimple g)
4595 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4596 return g->gimple_omp_continue.control_use;
4600 /* The same as above, but return the address. */
4602 static inline tree *
4603 gimple_omp_continue_control_use_ptr (gimple g)
4605 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4606 return &g->gimple_omp_continue.control_use;
4610 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4613 gimple_omp_continue_set_control_use (gimple g, tree use)
4615 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4616 g->gimple_omp_continue.control_use = use;
4619 /* Return the body for the GIMPLE_TRANSACTION statement GS. */
4621 static inline gimple_seq
4622 gimple_transaction_body (gimple gs)
4624 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4625 return gs->gimple_transaction.body;
4628 /* Return the label associated with a GIMPLE_TRANSACTION. */
4631 gimple_transaction_label (const_gimple gs)
4633 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4634 return gs->gimple_transaction.label;
4637 static inline tree *
4638 gimple_transaction_label_ptr (gimple gs)
4640 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4641 return &gs->gimple_transaction.label;
4644 /* Return the subcode associated with a GIMPLE_TRANSACTION. */
4646 static inline unsigned int
4647 gimple_transaction_subcode (const_gimple gs)
4649 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4650 return gs->gsbase.subcode;
4653 /* Set BODY to be the body for the GIMPLE_TRANSACTION statement GS. */
4656 gimple_transaction_set_body (gimple gs, gimple_seq body)
4658 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4659 gs->gimple_transaction.body = body;
4662 /* Set the label associated with a GIMPLE_TRANSACTION. */
4665 gimple_transaction_set_label (gimple gs, tree label)
4667 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4668 gs->gimple_transaction.label = label;
4671 /* Set the subcode associated with a GIMPLE_TRANSACTION. */
4674 gimple_transaction_set_subcode (gimple gs, unsigned int subcode)
4676 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4677 gs->gsbase.subcode = subcode;
4681 /* Return a pointer to the return value for GIMPLE_RETURN GS. */
4683 static inline tree *
4684 gimple_return_retval_ptr (const_gimple gs)
4686 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4687 return gimple_op_ptr (gs, 0);
4690 /* Return the return value for GIMPLE_RETURN GS. */
4693 gimple_return_retval (const_gimple gs)
4695 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4696 return gimple_op (gs, 0);
4700 /* Set RETVAL to be the return value for GIMPLE_RETURN GS. */
4703 gimple_return_set_retval (gimple gs, tree retval)
4705 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4706 gimple_set_op (gs, 0, retval);
4710 /* Returns true when the gimple statment STMT is any of the OpenMP types. */
4712 #define CASE_GIMPLE_OMP \
4713 case GIMPLE_OMP_PARALLEL: \
4714 case GIMPLE_OMP_TASK: \
4715 case GIMPLE_OMP_FOR: \
4716 case GIMPLE_OMP_SECTIONS: \
4717 case GIMPLE_OMP_SECTIONS_SWITCH: \
4718 case GIMPLE_OMP_SINGLE: \
4719 case GIMPLE_OMP_SECTION: \
4720 case GIMPLE_OMP_MASTER: \
4721 case GIMPLE_OMP_ORDERED: \
4722 case GIMPLE_OMP_CRITICAL: \
4723 case GIMPLE_OMP_RETURN: \
4724 case GIMPLE_OMP_ATOMIC_LOAD: \
4725 case GIMPLE_OMP_ATOMIC_STORE: \
4726 case GIMPLE_OMP_CONTINUE
4729 is_gimple_omp (const_gimple stmt)
4731 switch (gimple_code (stmt))
4741 /* Returns TRUE if statement G is a GIMPLE_NOP. */
4744 gimple_nop_p (const_gimple g)
4746 return gimple_code (g) == GIMPLE_NOP;
4750 /* Return true if GS is a GIMPLE_RESX. */
4753 is_gimple_resx (const_gimple gs)
4755 return gimple_code (gs) == GIMPLE_RESX;
4758 /* Return the predictor of GIMPLE_PREDICT statement GS. */
4760 static inline enum br_predictor
4761 gimple_predict_predictor (gimple gs)
4763 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4764 return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN);
4768 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */
4771 gimple_predict_set_predictor (gimple gs, enum br_predictor predictor)
4773 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4774 gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN)
4775 | (unsigned) predictor;
4779 /* Return the outcome of GIMPLE_PREDICT statement GS. */
4781 static inline enum prediction
4782 gimple_predict_outcome (gimple gs)
4784 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4785 return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN;
4789 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */
4792 gimple_predict_set_outcome (gimple gs, enum prediction outcome)
4794 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4795 if (outcome == TAKEN)
4796 gs->gsbase.subcode |= GF_PREDICT_TAKEN;
4798 gs->gsbase.subcode &= ~GF_PREDICT_TAKEN;
4802 /* Return the type of the main expression computed by STMT. Return
4803 void_type_node if the statement computes nothing. */
4806 gimple_expr_type (const_gimple stmt)
4808 enum gimple_code code = gimple_code (stmt);
4810 if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL)
4813 /* In general we want to pass out a type that can be substituted
4814 for both the RHS and the LHS types if there is a possibly
4815 useless conversion involved. That means returning the
4816 original RHS type as far as we can reconstruct it. */
4817 if (code == GIMPLE_CALL)
4818 type = gimple_call_return_type (stmt);
4820 switch (gimple_assign_rhs_code (stmt))
4822 case POINTER_PLUS_EXPR:
4823 type = TREE_TYPE (gimple_assign_rhs1 (stmt));
4827 /* As fallback use the type of the LHS. */
4828 type = TREE_TYPE (gimple_get_lhs (stmt));
4833 else if (code == GIMPLE_COND)
4834 return boolean_type_node;
4836 return void_type_node;
4839 /* Return true if TYPE is a suitable type for a scalar register variable. */
4842 is_gimple_reg_type (tree type)
4844 return !AGGREGATE_TYPE_P (type);
4847 /* Return a new iterator pointing to GIMPLE_SEQ's first statement. */
4849 static inline gimple_stmt_iterator
4850 gsi_start (gimple_seq seq)
4852 gimple_stmt_iterator i;
4854 i.ptr = gimple_seq_first (seq);
4856 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4862 /* Return a new iterator pointing to the first statement in basic block BB. */
4864 static inline gimple_stmt_iterator
4865 gsi_start_bb (basic_block bb)
4867 gimple_stmt_iterator i;
4871 i.ptr = gimple_seq_first (seq);
4879 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */
4881 static inline gimple_stmt_iterator
4882 gsi_last (gimple_seq seq)
4884 gimple_stmt_iterator i;
4886 i.ptr = gimple_seq_last (seq);
4888 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4894 /* Return a new iterator pointing to the last statement in basic block BB. */
4896 static inline gimple_stmt_iterator
4897 gsi_last_bb (basic_block bb)
4899 gimple_stmt_iterator i;
4903 i.ptr = gimple_seq_last (seq);
4911 /* Return true if I is at the end of its sequence. */
4914 gsi_end_p (gimple_stmt_iterator i)
4916 return i.ptr == NULL;
4920 /* Return true if I is one statement before the end of its sequence. */
4923 gsi_one_before_end_p (gimple_stmt_iterator i)
4925 return i.ptr != NULL && i.ptr->next == NULL;
4929 /* Advance the iterator to the next gimple statement. */
4932 gsi_next (gimple_stmt_iterator *i)
4934 i->ptr = i->ptr->next;
4937 /* Advance the iterator to the previous gimple statement. */
4940 gsi_prev (gimple_stmt_iterator *i)
4942 i->ptr = i->ptr->prev;
4945 /* Return the current stmt. */
4947 static inline gimple
4948 gsi_stmt (gimple_stmt_iterator i)
4953 /* Return a block statement iterator that points to the first non-label
4954 statement in block BB. */
4956 static inline gimple_stmt_iterator
4957 gsi_after_labels (basic_block bb)
4959 gimple_stmt_iterator gsi = gsi_start_bb (bb);
4961 while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL)
4967 /* Advance the iterator to the next non-debug gimple statement. */
4970 gsi_next_nondebug (gimple_stmt_iterator *i)
4976 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4979 /* Advance the iterator to the next non-debug gimple statement. */
4982 gsi_prev_nondebug (gimple_stmt_iterator *i)
4988 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4991 /* Return a new iterator pointing to the first non-debug statement in
4994 static inline gimple_stmt_iterator
4995 gsi_start_nondebug_bb (basic_block bb)
4997 gimple_stmt_iterator i = gsi_start_bb (bb);
4999 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
5000 gsi_next_nondebug (&i);
5005 /* Return a new iterator pointing to the last non-debug statement in
5008 static inline gimple_stmt_iterator
5009 gsi_last_nondebug_bb (basic_block bb)
5011 gimple_stmt_iterator i = gsi_last_bb (bb);
5013 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
5014 gsi_prev_nondebug (&i);
5019 /* Return a pointer to the current stmt.
5021 NOTE: You may want to use gsi_replace on the iterator itself,
5022 as this performs additional bookkeeping that will not be done
5023 if you simply assign through a pointer returned by gsi_stmt_ptr. */
5025 static inline gimple *
5026 gsi_stmt_ptr (gimple_stmt_iterator *i)
5028 return &i->ptr->stmt;
5032 /* Return the basic block associated with this iterator. */
5034 static inline basic_block
5035 gsi_bb (gimple_stmt_iterator i)
5041 /* Return the sequence associated with this iterator. */
5043 static inline gimple_seq
5044 gsi_seq (gimple_stmt_iterator i)
5050 enum gsi_iterator_update
5052 GSI_NEW_STMT, /* Only valid when single statement is added, move
5054 GSI_SAME_STMT, /* Leave the iterator at the same statement. */
5055 GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable
5056 for linking other statements in the same
5060 /* In gimple-iterator.c */
5061 gimple_stmt_iterator gsi_start_phis (basic_block);
5062 gimple_seq gsi_split_seq_after (gimple_stmt_iterator);
5063 gimple_seq gsi_split_seq_before (gimple_stmt_iterator *);
5064 void gsi_replace (gimple_stmt_iterator *, gimple, bool);
5065 void gsi_insert_before (gimple_stmt_iterator *, gimple,
5066 enum gsi_iterator_update);
5067 void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple,
5068 enum gsi_iterator_update);
5069 void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq,
5070 enum gsi_iterator_update);
5071 void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq,
5072 enum gsi_iterator_update);
5073 void gsi_insert_after (gimple_stmt_iterator *, gimple,
5074 enum gsi_iterator_update);
5075 void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple,
5076 enum gsi_iterator_update);
5077 void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq,
5078 enum gsi_iterator_update);
5079 void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq,
5080 enum gsi_iterator_update);
5081 void gsi_remove (gimple_stmt_iterator *, bool);
5082 gimple_stmt_iterator gsi_for_stmt (gimple);
5083 void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *);
5084 void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *);
5085 void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *);
5086 void gsi_insert_on_edge (edge, gimple);
5087 void gsi_insert_seq_on_edge (edge, gimple_seq);
5088 basic_block gsi_insert_on_edge_immediate (edge, gimple);
5089 basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq);
5090 void gsi_commit_one_edge_insert (edge, basic_block *);
5091 void gsi_commit_edge_inserts (void);
5092 gimple gimple_call_copy_skip_args (gimple, bitmap);
5095 /* Convenience routines to walk all statements of a gimple function.
5096 Note that this is useful exclusively before the code is converted
5097 into SSA form. Once the program is in SSA form, the standard
5098 operand interface should be used to analyze/modify statements. */
5099 struct walk_stmt_info
5101 /* Points to the current statement being walked. */
5102 gimple_stmt_iterator gsi;
5104 /* Additional data that the callback functions may want to carry
5105 through the recursion. */
5108 /* Pointer map used to mark visited tree nodes when calling
5109 walk_tree on each operand. If set to NULL, duplicate tree nodes
5110 will be visited more than once. */
5111 struct pointer_set_t *pset;
5113 /* Operand returned by the callbacks. This is set when calling
5114 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback
5115 returns non-NULL, this field will contain the tree returned by
5116 the last callback. */
5117 tree callback_result;
5119 /* Indicates whether the operand being examined may be replaced
5120 with something that matches is_gimple_val (if true) or something
5121 slightly more complicated (if false). "Something" technically
5122 means the common subset of is_gimple_lvalue and is_gimple_rhs,
5123 but we never try to form anything more complicated than that, so
5124 we don't bother checking.
5126 Also note that CALLBACK should update this flag while walking the
5127 sub-expressions of a statement. For instance, when walking the
5128 statement 'foo (&var)', the flag VAL_ONLY will initially be set
5129 to true, however, when walking &var, the operand of that
5130 ADDR_EXPR does not need to be a GIMPLE value. */
5131 BOOL_BITFIELD val_only : 1;
5133 /* True if we are currently walking the LHS of an assignment. */
5134 BOOL_BITFIELD is_lhs : 1;
5136 /* Optional. Set to true by the callback functions if they made any
5138 BOOL_BITFIELD changed : 1;
5140 /* True if we're interested in location information. */
5141 BOOL_BITFIELD want_locations : 1;
5143 /* True if we've removed the statement that was processed. */
5144 BOOL_BITFIELD removed_stmt : 1;
5147 /* Callback for walk_gimple_stmt. Called for every statement found
5148 during traversal. The first argument points to the statement to
5149 walk. The second argument is a flag that the callback sets to
5150 'true' if it the callback handled all the operands and
5151 sub-statements of the statement (the default value of this flag is
5152 'false'). The third argument is an anonymous pointer to data
5153 to be used by the callback. */
5154 typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *,
5155 struct walk_stmt_info *);
5157 gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn,
5158 struct walk_stmt_info *);
5159 tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn,
5160 struct walk_stmt_info *);
5161 tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *);
5163 #ifdef GATHER_STATISTICS
5164 /* Enum and arrays used for allocation stats. Keep in sync with
5165 gimple.c:gimple_alloc_kind_names. */
5166 enum gimple_alloc_kind
5168 gimple_alloc_kind_assign, /* Assignments. */
5169 gimple_alloc_kind_phi, /* PHI nodes. */
5170 gimple_alloc_kind_cond, /* Conditionals. */
5171 gimple_alloc_kind_seq, /* Sequences. */
5172 gimple_alloc_kind_rest, /* Everything else. */
5173 gimple_alloc_kind_all
5176 extern int gimple_alloc_counts[];
5177 extern int gimple_alloc_sizes[];
5179 /* Return the allocation kind for a given stmt CODE. */
5180 static inline enum gimple_alloc_kind
5181 gimple_alloc_kind (enum gimple_code code)
5186 return gimple_alloc_kind_assign;
5188 return gimple_alloc_kind_phi;
5190 return gimple_alloc_kind_cond;
5192 return gimple_alloc_kind_rest;
5195 #endif /* GATHER_STATISTICS */
5197 extern void dump_gimple_statistics (void);
5199 /* In gimple-fold.c. */
5200 void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree);
5201 tree gimple_fold_builtin (gimple);
5202 bool fold_stmt (gimple_stmt_iterator *);
5203 bool fold_stmt_inplace (gimple_stmt_iterator *);
5204 tree get_symbol_constant_value (tree);
5205 tree canonicalize_constructor_val (tree);
5206 extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree,
5207 enum tree_code, tree, tree);
5208 extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree,
5209 enum tree_code, tree, tree);
5211 bool gimple_val_nonnegative_real_p (tree);
5212 #endif /* GCC_GIMPLE_H */