1 /* Gimple IR definitions.
3 Copyright 2007, 2008, 2009, 2010 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"
31 #include "hard-reg-set.h"
32 #include "basic-block.h"
33 #include "tree-ssa-operands.h"
34 #include "tree-ssa-alias.h"
36 struct gimple_seq_node_d;
37 typedef struct gimple_seq_node_d *gimple_seq_node;
38 typedef const struct gimple_seq_node_d *const_gimple_seq_node;
40 /* For each block, the PHI nodes that need to be rewritten are stored into
42 typedef VEC(gimple, heap) *gimple_vec;
43 DEF_VEC_P (gimple_vec);
44 DEF_VEC_ALLOC_P (gimple_vec, heap);
47 #define DEFGSCODE(SYM, STRING, STRUCT) SYM,
50 LAST_AND_UNUSED_GIMPLE_CODE
53 extern const char *const gimple_code_name[];
54 extern const unsigned char gimple_rhs_class_table[];
56 /* Error out if a gimple tuple is addressed incorrectly. */
57 #if defined ENABLE_GIMPLE_CHECKING
58 #define gcc_gimple_checking_assert(EXPR) gcc_assert (EXPR)
59 extern void gimple_check_failed (const_gimple, const char *, int, \
60 const char *, enum gimple_code, \
61 enum tree_code) ATTRIBUTE_NORETURN;
63 #define GIMPLE_CHECK(GS, CODE) \
65 const_gimple __gs = (GS); \
66 if (gimple_code (__gs) != (CODE)) \
67 gimple_check_failed (__gs, __FILE__, __LINE__, __FUNCTION__, \
68 (CODE), ERROR_MARK); \
70 #else /* not ENABLE_GIMPLE_CHECKING */
71 #define gcc_gimple_checking_assert(EXPR) ((void)(0 && (EXPR)))
72 #define GIMPLE_CHECK(GS, CODE) (void)0
75 /* Class of GIMPLE expressions suitable for the RHS of assignments. See
76 get_gimple_rhs_class. */
79 GIMPLE_INVALID_RHS, /* The expression cannot be used on the RHS. */
80 GIMPLE_TERNARY_RHS, /* The expression is a ternary operation. */
81 GIMPLE_BINARY_RHS, /* The expression is a binary operation. */
82 GIMPLE_UNARY_RHS, /* The expression is a unary operation. */
83 GIMPLE_SINGLE_RHS /* The expression is a single object (an SSA
84 name, a _DECL, a _REF, etc. */
87 /* Specific flags for individual GIMPLE statements. These flags are
88 always stored in gimple_statement_base.subcode and they may only be
89 defined for statement codes that do not use sub-codes.
91 Values for the masks can overlap as long as the overlapping values
92 are never used in the same statement class.
94 The maximum mask value that can be defined is 1 << 15 (i.e., each
95 statement code can hold up to 16 bitflags).
97 Keep this list sorted. */
99 GF_ASM_INPUT = 1 << 0,
100 GF_ASM_VOLATILE = 1 << 1,
101 GF_CALL_CANNOT_INLINE = 1 << 0,
102 GF_CALL_FROM_THUNK = 1 << 1,
103 GF_CALL_RETURN_SLOT_OPT = 1 << 2,
104 GF_CALL_TAILCALL = 1 << 3,
105 GF_CALL_VA_ARG_PACK = 1 << 4,
106 GF_CALL_NOTHROW = 1 << 5,
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_PREDICT_TAKEN = 1 << 15
119 /* Currently, there's only one type of gimple debug stmt. Others are
120 envisioned, for example, to enable the generation of is_stmt notes
121 in line number information, to mark sequence points, etc. This
122 subcode is to be used to tell them apart. */
123 enum gimple_debug_subcode {
124 GIMPLE_DEBUG_BIND = 0
127 /* Masks for selecting a pass local flag (PLF) to work on. These
128 masks are used by gimple_set_plf and gimple_plf. */
134 /* A node in a gimple_seq_d. */
135 struct GTY((chain_next ("%h.next"), chain_prev ("%h.prev"))) gimple_seq_node_d {
137 struct gimple_seq_node_d *prev;
138 struct gimple_seq_node_d *next;
141 /* A double-linked sequence of gimple statements. */
142 struct GTY ((chain_next ("%h.next_free"))) gimple_seq_d {
143 /* First and last statements in the sequence. */
144 gimple_seq_node first;
145 gimple_seq_node last;
147 /* Sequences are created/destroyed frequently. To minimize
148 allocation activity, deallocated sequences are kept in a pool of
149 available sequences. This is the pointer to the next free
150 sequence in the pool. */
151 gimple_seq next_free;
155 /* Return the first node in GIMPLE sequence S. */
157 static inline gimple_seq_node
158 gimple_seq_first (const_gimple_seq s)
160 return s ? s->first : NULL;
164 /* Return the first statement in GIMPLE sequence S. */
167 gimple_seq_first_stmt (const_gimple_seq s)
169 gimple_seq_node n = gimple_seq_first (s);
170 return (n) ? n->stmt : NULL;
174 /* Return the last node in GIMPLE sequence S. */
176 static inline gimple_seq_node
177 gimple_seq_last (const_gimple_seq s)
179 return s ? s->last : NULL;
183 /* Return the last statement in GIMPLE sequence S. */
186 gimple_seq_last_stmt (const_gimple_seq s)
188 gimple_seq_node n = gimple_seq_last (s);
189 return (n) ? n->stmt : NULL;
193 /* Set the last node in GIMPLE sequence S to LAST. */
196 gimple_seq_set_last (gimple_seq s, gimple_seq_node last)
202 /* Set the first node in GIMPLE sequence S to FIRST. */
205 gimple_seq_set_first (gimple_seq s, gimple_seq_node first)
211 /* Return true if GIMPLE sequence S is empty. */
214 gimple_seq_empty_p (const_gimple_seq s)
216 return s == NULL || s->first == NULL;
220 void gimple_seq_add_stmt (gimple_seq *, gimple);
222 /* Link gimple statement GS to the end of the sequence *SEQ_P. If
223 *SEQ_P is NULL, a new sequence is allocated. This function is
224 similar to gimple_seq_add_stmt, but does not scan the operands.
225 During gimplification, we need to manipulate statement sequences
226 before the def/use vectors have been constructed. */
227 void gimplify_seq_add_stmt (gimple_seq *, gimple);
229 /* Allocate a new sequence and initialize its first element with STMT. */
231 static inline gimple_seq
232 gimple_seq_alloc_with_stmt (gimple stmt)
234 gimple_seq seq = NULL;
235 gimple_seq_add_stmt (&seq, stmt);
240 /* Returns the sequence of statements in BB. */
242 static inline gimple_seq
243 bb_seq (const_basic_block bb)
245 return (!(bb->flags & BB_RTL) && bb->il.gimple) ? bb->il.gimple->seq : NULL;
249 /* Sets the sequence of statements in BB to SEQ. */
252 set_bb_seq (basic_block bb, gimple_seq seq)
254 gcc_checking_assert (!(bb->flags & BB_RTL));
255 bb->il.gimple->seq = seq;
258 /* Iterator object for GIMPLE statement sequences. */
262 /* Sequence node holding the current statement. */
265 /* Sequence and basic block holding the statement. These fields
266 are necessary to handle edge cases such as when statement is
267 added to an empty basic block or when the last statement of a
268 block/sequence is removed. */
271 } gimple_stmt_iterator;
274 /* Data structure definitions for GIMPLE tuples. NOTE: word markers
275 are for 64 bit hosts. */
277 struct GTY(()) gimple_statement_base {
279 Main identifying code for a tuple. */
280 ENUM_BITFIELD(gimple_code) code : 8;
282 /* Nonzero if a warning should not be emitted on this tuple. */
283 unsigned int no_warning : 1;
285 /* Nonzero if this tuple has been visited. Passes are responsible
286 for clearing this bit before using it. */
287 unsigned int visited : 1;
289 /* Nonzero if this tuple represents a non-temporal move. */
290 unsigned int nontemporal_move : 1;
292 /* Pass local flags. These flags are free for any pass to use as
293 they see fit. Passes should not assume that these flags contain
294 any useful value when the pass starts. Any initial state that
295 the pass requires should be set on entry to the pass. See
296 gimple_set_plf and gimple_plf for usage. */
297 unsigned int plf : 2;
299 /* Nonzero if this statement has been modified and needs to have its
300 operands rescanned. */
301 unsigned modified : 1;
303 /* Nonzero if this statement contains volatile operands. */
304 unsigned has_volatile_ops : 1;
306 /* Padding to get subcode to 16 bit alignment. */
309 /* The SUBCODE field can be used for tuple-specific flags for tuples
310 that do not require subcodes. Note that SUBCODE should be at
311 least as wide as tree codes, as several tuples store tree codes
313 unsigned int subcode : 16;
315 /* UID of this statement. This is used by passes that want to
316 assign IDs to statements. It must be assigned and used by each
317 pass. By default it should be assumed to contain garbage. */
321 Locus information for debug info. */
324 /* Number of operands in this tuple. */
328 Basic block holding this statement. */
329 struct basic_block_def *bb;
332 Lexical block holding this statement. */
337 /* Base structure for tuples with operands. */
339 struct GTY(()) gimple_statement_with_ops_base
342 struct gimple_statement_base gsbase;
345 SSA operand vectors. NOTE: It should be possible to
346 amalgamate these vectors with the operand vector OP. However,
347 the SSA operand vectors are organized differently and contain
348 more information (like immediate use chaining). */
349 struct def_optype_d GTY((skip (""))) *def_ops;
350 struct use_optype_d GTY((skip (""))) *use_ops;
354 /* Statements that take register operands. */
356 struct GTY(()) gimple_statement_with_ops
359 struct gimple_statement_with_ops_base opbase;
362 Operand vector. NOTE! This must always be the last field
363 of this structure. In particular, this means that this
364 structure cannot be embedded inside another one. */
365 tree GTY((length ("%h.opbase.gsbase.num_ops"))) op[1];
369 /* Base for statements that take both memory and register operands. */
371 struct GTY(()) gimple_statement_with_memory_ops_base
374 struct gimple_statement_with_ops_base opbase;
377 Virtual operands for this statement. The GC will pick them
378 up via the ssa_names array. */
379 tree GTY((skip (""))) vdef;
380 tree GTY((skip (""))) vuse;
384 /* Statements that take both memory and register operands. */
386 struct GTY(()) gimple_statement_with_memory_ops
389 struct gimple_statement_with_memory_ops_base membase;
392 Operand vector. NOTE! This must always be the last field
393 of this structure. In particular, this means that this
394 structure cannot be embedded inside another one. */
395 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
399 /* Call statements that take both memory and register operands. */
401 struct GTY(()) gimple_statement_call
404 struct gimple_statement_with_memory_ops_base membase;
407 struct pt_solution call_used;
408 struct pt_solution call_clobbered;
411 Operand vector. NOTE! This must always be the last field
412 of this structure. In particular, this means that this
413 structure cannot be embedded inside another one. */
414 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
418 /* OpenMP statements (#pragma omp). */
420 struct GTY(()) gimple_statement_omp {
422 struct gimple_statement_base gsbase;
431 struct GTY(()) gimple_statement_bind {
433 struct gimple_statement_base gsbase;
436 Variables declared in this scope. */
440 This is different than the BLOCK field in gimple_statement_base,
441 which is analogous to TREE_BLOCK (i.e., the lexical block holding
442 this statement). This field is the equivalent of BIND_EXPR_BLOCK
443 in tree land (i.e., the lexical scope defined by this bind). See
454 struct GTY(()) gimple_statement_catch {
456 struct gimple_statement_base gsbase;
466 /* GIMPLE_EH_FILTER */
468 struct GTY(()) gimple_statement_eh_filter {
470 struct gimple_statement_base gsbase;
482 /* GIMPLE_EH_MUST_NOT_THROW */
484 struct GTY(()) gimple_statement_eh_mnt {
486 struct gimple_statement_base gsbase;
488 /* [ WORD 5 ] Abort function decl. */
494 struct GTY(()) gimple_statement_phi {
496 struct gimple_statement_base gsbase;
506 struct phi_arg_d GTY ((length ("%h.nargs"))) args[1];
510 /* GIMPLE_RESX, GIMPLE_EH_DISPATCH */
512 struct GTY(()) gimple_statement_eh_ctrl
515 struct gimple_statement_base gsbase;
518 Exception region number. */
525 struct GTY(()) gimple_statement_try {
527 struct gimple_statement_base gsbase;
530 Expression to evaluate. */
534 Cleanup expression. */
538 /* Kind of GIMPLE_TRY statements. */
539 enum gimple_try_flags
542 GIMPLE_TRY_CATCH = 1 << 0,
545 GIMPLE_TRY_FINALLY = 1 << 1,
546 GIMPLE_TRY_KIND = GIMPLE_TRY_CATCH | GIMPLE_TRY_FINALLY,
548 /* Analogous to TRY_CATCH_IS_CLEANUP. */
549 GIMPLE_TRY_CATCH_IS_CLEANUP = 1 << 2
552 /* GIMPLE_WITH_CLEANUP_EXPR */
554 struct GTY(()) gimple_statement_wce {
556 struct gimple_statement_base gsbase;
558 /* Subcode: CLEANUP_EH_ONLY. True if the cleanup should only be
559 executed if an exception is thrown, not on normal exit of its
560 scope. This flag is analogous to the CLEANUP_EH_ONLY flag
564 Cleanup expression. */
571 struct GTY(()) gimple_statement_asm
574 struct gimple_statement_with_memory_ops_base membase;
577 __asm__ statement. */
581 Number of inputs, outputs, clobbers, labels. */
588 Operand vector. NOTE! This must always be the last field
589 of this structure. In particular, this means that this
590 structure cannot be embedded inside another one. */
591 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
594 /* GIMPLE_OMP_CRITICAL */
596 struct GTY(()) gimple_statement_omp_critical {
598 struct gimple_statement_omp omp;
601 Critical section name. */
606 struct GTY(()) gimple_omp_for_iter {
607 /* Condition code. */
610 /* Index variable. */
625 struct GTY(()) gimple_statement_omp_for {
627 struct gimple_statement_omp omp;
633 Number of elements in iter array. */
637 struct gimple_omp_for_iter * GTY((length ("%h.collapse"))) iter;
640 Pre-body evaluated before the loop body begins. */
645 /* GIMPLE_OMP_PARALLEL */
647 struct GTY(()) gimple_statement_omp_parallel {
649 struct gimple_statement_omp omp;
656 Child function holding the body of the parallel region. */
660 Shared data argument. */
665 /* GIMPLE_OMP_TASK */
667 struct GTY(()) gimple_statement_omp_task {
669 struct gimple_statement_omp_parallel par;
672 Child function holding firstprivate initialization if needed. */
676 Size and alignment in bytes of the argument data block. */
682 /* GIMPLE_OMP_SECTION */
683 /* Uses struct gimple_statement_omp. */
686 /* GIMPLE_OMP_SECTIONS */
688 struct GTY(()) gimple_statement_omp_sections {
690 struct gimple_statement_omp omp;
696 The control variable used for deciding which of the sections to
701 /* GIMPLE_OMP_CONTINUE.
703 Note: This does not inherit from gimple_statement_omp, because we
704 do not need the body field. */
706 struct GTY(()) gimple_statement_omp_continue {
708 struct gimple_statement_base gsbase;
717 /* GIMPLE_OMP_SINGLE */
719 struct GTY(()) gimple_statement_omp_single {
721 struct gimple_statement_omp omp;
728 /* GIMPLE_OMP_ATOMIC_LOAD.
729 Note: This is based on gimple_statement_base, not g_s_omp, because g_s_omp
730 contains a sequence, which we don't need here. */
732 struct GTY(()) gimple_statement_omp_atomic_load {
734 struct gimple_statement_base gsbase;
740 /* GIMPLE_OMP_ATOMIC_STORE.
741 See note on GIMPLE_OMP_ATOMIC_LOAD. */
743 struct GTY(()) gimple_statement_omp_atomic_store {
745 struct gimple_statement_base gsbase;
751 #define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) SYM,
752 enum gimple_statement_structure_enum {
753 #include "gsstruct.def"
759 /* Define the overall contents of a gimple tuple. It may be any of the
760 structures declared above for various types of tuples. */
762 union GTY ((desc ("gimple_statement_structure (&%h)"), variable_size)) gimple_statement_d {
763 struct gimple_statement_base GTY ((tag ("GSS_BASE"))) gsbase;
764 struct gimple_statement_with_ops GTY ((tag ("GSS_WITH_OPS"))) gsops;
765 struct gimple_statement_with_memory_ops_base GTY ((tag ("GSS_WITH_MEM_OPS_BASE"))) gsmembase;
766 struct gimple_statement_with_memory_ops GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem;
767 struct gimple_statement_call GTY ((tag ("GSS_CALL"))) gimple_call;
768 struct gimple_statement_omp GTY ((tag ("GSS_OMP"))) omp;
769 struct gimple_statement_bind GTY ((tag ("GSS_BIND"))) gimple_bind;
770 struct gimple_statement_catch GTY ((tag ("GSS_CATCH"))) gimple_catch;
771 struct gimple_statement_eh_filter GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter;
772 struct gimple_statement_eh_mnt GTY ((tag ("GSS_EH_MNT"))) gimple_eh_mnt;
773 struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi;
774 struct gimple_statement_eh_ctrl GTY ((tag ("GSS_EH_CTRL"))) gimple_eh_ctrl;
775 struct gimple_statement_try GTY ((tag ("GSS_TRY"))) gimple_try;
776 struct gimple_statement_wce GTY ((tag ("GSS_WCE"))) gimple_wce;
777 struct gimple_statement_asm GTY ((tag ("GSS_ASM"))) gimple_asm;
778 struct gimple_statement_omp_critical GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical;
779 struct gimple_statement_omp_for GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for;
780 struct gimple_statement_omp_parallel GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel;
781 struct gimple_statement_omp_task GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task;
782 struct gimple_statement_omp_sections GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections;
783 struct gimple_statement_omp_single GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single;
784 struct gimple_statement_omp_continue GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue;
785 struct gimple_statement_omp_atomic_load GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load;
786 struct gimple_statement_omp_atomic_store GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store;
791 /* Offset in bytes to the location of the operand vector.
792 Zero if there is no operand vector for this tuple structure. */
793 extern size_t const gimple_ops_offset_[];
795 /* Map GIMPLE codes to GSS codes. */
796 extern enum gimple_statement_structure_enum const gss_for_code_[];
798 /* This variable holds the currently expanded gimple statement for purposes
799 of comminucating the profile info to the builtin expanders. */
800 extern gimple currently_expanding_gimple_stmt;
802 gimple gimple_build_return (tree);
804 gimple gimple_build_assign_stat (tree, tree MEM_STAT_DECL);
805 #define gimple_build_assign(l,r) gimple_build_assign_stat (l, r MEM_STAT_INFO)
807 void extract_ops_from_tree_1 (tree, enum tree_code *, tree *, tree *, tree *);
809 gimple gimple_build_assign_with_ops_stat (enum tree_code, tree, tree,
810 tree, tree MEM_STAT_DECL);
811 #define gimple_build_assign_with_ops(c,o1,o2,o3) \
812 gimple_build_assign_with_ops_stat (c, o1, o2, o3, NULL_TREE MEM_STAT_INFO)
813 #define gimple_build_assign_with_ops3(c,o1,o2,o3,o4) \
814 gimple_build_assign_with_ops_stat (c, o1, o2, o3, o4 MEM_STAT_INFO)
816 gimple gimple_build_debug_bind_stat (tree, tree, gimple MEM_STAT_DECL);
817 #define gimple_build_debug_bind(var,val,stmt) \
818 gimple_build_debug_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
820 gimple gimple_build_call_vec (tree, VEC(tree, heap) *);
821 gimple gimple_build_call (tree, unsigned, ...);
822 gimple gimple_build_call_from_tree (tree);
823 gimple gimplify_assign (tree, tree, gimple_seq *);
824 gimple gimple_build_cond (enum tree_code, tree, tree, tree, tree);
825 gimple gimple_build_label (tree label);
826 gimple gimple_build_goto (tree dest);
827 gimple gimple_build_nop (void);
828 gimple gimple_build_bind (tree, gimple_seq, tree);
829 gimple gimple_build_asm_vec (const char *, VEC(tree,gc) *, VEC(tree,gc) *,
830 VEC(tree,gc) *, VEC(tree,gc) *);
831 gimple gimple_build_catch (tree, gimple_seq);
832 gimple gimple_build_eh_filter (tree, gimple_seq);
833 gimple gimple_build_eh_must_not_throw (tree);
834 gimple gimple_build_try (gimple_seq, gimple_seq, enum gimple_try_flags);
835 gimple gimple_build_wce (gimple_seq);
836 gimple gimple_build_resx (int);
837 gimple gimple_build_eh_dispatch (int);
838 gimple gimple_build_switch_nlabels (unsigned, tree, tree);
839 gimple gimple_build_switch (unsigned, tree, tree, ...);
840 gimple gimple_build_switch_vec (tree, tree, VEC(tree,heap) *);
841 gimple gimple_build_omp_parallel (gimple_seq, tree, tree, tree);
842 gimple gimple_build_omp_task (gimple_seq, tree, tree, tree, tree, tree, tree);
843 gimple gimple_build_omp_for (gimple_seq, tree, size_t, gimple_seq);
844 gimple gimple_build_omp_critical (gimple_seq, tree);
845 gimple gimple_build_omp_section (gimple_seq);
846 gimple gimple_build_omp_continue (tree, tree);
847 gimple gimple_build_omp_master (gimple_seq);
848 gimple gimple_build_omp_return (bool);
849 gimple gimple_build_omp_ordered (gimple_seq);
850 gimple gimple_build_omp_sections (gimple_seq, tree);
851 gimple gimple_build_omp_sections_switch (void);
852 gimple gimple_build_omp_single (gimple_seq, tree);
853 gimple gimple_build_cdt (tree, tree);
854 gimple gimple_build_omp_atomic_load (tree, tree);
855 gimple gimple_build_omp_atomic_store (tree);
856 gimple gimple_build_predict (enum br_predictor, enum prediction);
857 enum gimple_statement_structure_enum gss_for_assign (enum tree_code);
858 void sort_case_labels (VEC(tree,heap) *);
859 void gimple_set_body (tree, gimple_seq);
860 gimple_seq gimple_body (tree);
861 bool gimple_has_body_p (tree);
862 gimple_seq gimple_seq_alloc (void);
863 void gimple_seq_free (gimple_seq);
864 void gimple_seq_add_seq (gimple_seq *, gimple_seq);
865 gimple_seq gimple_seq_copy (gimple_seq);
866 int gimple_call_flags (const_gimple);
867 int gimple_call_return_flags (const_gimple);
868 int gimple_call_arg_flags (const_gimple, unsigned);
869 void gimple_call_reset_alias_info (gimple);
870 bool gimple_assign_copy_p (gimple);
871 bool gimple_assign_ssa_name_copy_p (gimple);
872 bool gimple_assign_single_p (gimple);
873 bool gimple_assign_unary_nop_p (gimple);
874 void gimple_set_bb (gimple, struct basic_block_def *);
875 void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree);
876 void gimple_assign_set_rhs_with_ops_1 (gimple_stmt_iterator *, enum tree_code,
878 tree gimple_get_lhs (const_gimple);
879 void gimple_set_lhs (gimple, tree);
880 void gimple_replace_lhs (gimple, tree);
881 gimple gimple_copy (gimple);
882 bool is_gimple_operand (const_tree);
883 void gimple_set_modified (gimple, bool);
884 void gimple_cond_get_ops_from_tree (tree, enum tree_code *, tree *, tree *);
885 gimple gimple_build_cond_from_tree (tree, tree, tree);
886 void gimple_cond_set_condition_from_tree (gimple, tree);
887 bool gimple_has_side_effects (const_gimple);
888 bool gimple_rhs_has_side_effects (const_gimple);
889 bool gimple_could_trap_p (gimple);
890 bool gimple_assign_rhs_could_trap_p (gimple);
891 void gimple_regimplify_operands (gimple, gimple_stmt_iterator *);
892 bool empty_body_p (gimple_seq);
893 unsigned get_gimple_rhs_num_ops (enum tree_code);
894 #define gimple_alloc(c, n) gimple_alloc_stat (c, n MEM_STAT_INFO)
895 gimple gimple_alloc_stat (enum gimple_code, unsigned MEM_STAT_DECL);
896 const char *gimple_decl_printable_name (tree, int);
897 tree gimple_fold_obj_type_ref (tree, tree);
898 tree gimple_get_relevant_ref_binfo (tree ref, tree known_binfo);
899 tree gimple_fold_obj_type_ref_known_binfo (HOST_WIDE_INT, tree);
901 /* Returns true iff T is a valid GIMPLE statement. */
902 extern bool is_gimple_stmt (tree);
904 /* Returns true iff TYPE is a valid type for a scalar register variable. */
905 extern bool is_gimple_reg_type (tree);
906 /* Returns true iff T is a scalar register variable. */
907 extern bool is_gimple_reg (tree);
908 /* Returns true iff T is any sort of variable. */
909 extern bool is_gimple_variable (tree);
910 /* Returns true iff T is any sort of symbol. */
911 extern bool is_gimple_id (tree);
912 /* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */
913 extern bool is_gimple_min_lval (tree);
914 /* Returns true iff T is something whose address can be taken. */
915 extern bool is_gimple_addressable (tree);
916 /* Returns true iff T is any valid GIMPLE lvalue. */
917 extern bool is_gimple_lvalue (tree);
919 /* Returns true iff T is a GIMPLE address. */
920 bool is_gimple_address (const_tree);
921 /* Returns true iff T is a GIMPLE invariant address. */
922 bool is_gimple_invariant_address (const_tree);
923 /* Returns true iff T is a GIMPLE invariant address at interprocedural
925 bool is_gimple_ip_invariant_address (const_tree);
926 /* Returns true iff T is a valid GIMPLE constant. */
927 bool is_gimple_constant (const_tree);
928 /* Returns true iff T is a GIMPLE restricted function invariant. */
929 extern bool is_gimple_min_invariant (const_tree);
930 /* Returns true iff T is a GIMPLE restricted interprecodural invariant. */
931 extern bool is_gimple_ip_invariant (const_tree);
932 /* Returns true iff T is a GIMPLE rvalue. */
933 extern bool is_gimple_val (tree);
934 /* Returns true iff T is a GIMPLE asm statement input. */
935 extern bool is_gimple_asm_val (tree);
936 /* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a
937 GIMPLE temporary, a renamed user variable, or something else,
939 extern bool is_gimple_reg_rhs (tree);
940 extern bool is_gimple_mem_rhs (tree);
942 /* Returns true iff T is a valid if-statement condition. */
943 extern bool is_gimple_condexpr (tree);
945 /* Returns true iff T is a type conversion. */
946 extern bool is_gimple_cast (tree);
947 /* Returns true iff T is a variable that does not need to live in memory. */
948 extern bool is_gimple_non_addressable (tree t);
950 /* Returns true iff T is a valid call address expression. */
951 extern bool is_gimple_call_addr (tree);
952 /* If T makes a function call, returns the CALL_EXPR operand. */
953 extern tree get_call_expr_in (tree t);
955 extern void recalculate_side_effects (tree);
956 extern bool gimple_compare_field_offset (tree, tree);
957 extern tree gimple_register_type (tree);
958 extern void print_gimple_types_stats (void);
959 extern void free_gimple_type_tables (void);
960 extern tree gimple_unsigned_type (tree);
961 extern tree gimple_signed_type (tree);
962 extern alias_set_type gimple_get_alias_set (tree);
963 extern void count_uses_and_derefs (tree, gimple, unsigned *, unsigned *,
965 extern bool walk_stmt_load_store_addr_ops (gimple, void *,
966 bool (*)(gimple, tree, void *),
967 bool (*)(gimple, tree, void *),
968 bool (*)(gimple, tree, void *));
969 extern bool walk_stmt_load_store_ops (gimple, void *,
970 bool (*)(gimple, tree, void *),
971 bool (*)(gimple, tree, void *));
972 extern bool gimple_ior_addresses_taken (bitmap, gimple);
973 extern bool gimple_call_builtin_p (gimple, enum built_in_function);
976 extern tree create_tmp_var_raw (tree, const char *);
977 extern tree create_tmp_var_name (const char *);
978 extern tree create_tmp_var (tree, const char *);
979 extern tree create_tmp_reg (tree, const char *);
980 extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *);
981 extern tree get_formal_tmp_var (tree, gimple_seq *);
982 extern void declare_vars (tree, gimple, bool);
983 extern void annotate_all_with_location (gimple_seq, location_t);
985 /* Validation of GIMPLE expressions. Note that these predicates only check
986 the basic form of the expression, they don't recurse to make sure that
987 underlying nodes are also of the right form. */
988 typedef bool (*gimple_predicate)(tree);
991 /* FIXME we should deduce this from the predicate. */
993 fb_none = 0, /* Do not generate a temporary. */
995 fb_rvalue = 1, /* Generate an rvalue to hold the result of a
996 gimplified expression. */
998 fb_lvalue = 2, /* Generate an lvalue to hold the result of a
999 gimplified expression. */
1001 fb_mayfail = 4, /* Gimplification may fail. Error issued
1003 fb_either= fb_rvalue | fb_lvalue
1006 typedef int fallback_t;
1008 enum gimplify_status {
1009 GS_ERROR = -2, /* Something Bad Seen. */
1010 GS_UNHANDLED = -1, /* A langhook result for "I dunno". */
1011 GS_OK = 0, /* We did something, maybe more to do. */
1012 GS_ALL_DONE = 1 /* The expression is fully gimplified. */
1017 struct gimplify_ctx *prev_context;
1019 VEC(gimple,heap) *bind_expr_stack;
1021 gimple_seq conditional_cleanups;
1025 VEC(tree,heap) *case_labels;
1026 /* The formal temporary table. Should this be persistent? */
1032 bool allow_rhs_cond_expr;
1035 extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *,
1036 bool (*) (tree), fallback_t);
1037 extern void gimplify_type_sizes (tree, gimple_seq *);
1038 extern void gimplify_one_sizepos (tree *, gimple_seq *);
1039 extern bool gimplify_stmt (tree *, gimple_seq *);
1040 extern gimple gimplify_body (tree *, tree, bool);
1041 extern void push_gimplify_context (struct gimplify_ctx *);
1042 extern void pop_gimplify_context (gimple);
1043 extern void gimplify_and_add (tree, gimple_seq *);
1045 /* Miscellaneous helpers. */
1046 extern void gimple_add_tmp_var (tree);
1047 extern gimple gimple_current_bind_expr (void);
1048 extern VEC(gimple, heap) *gimple_bind_expr_stack (void);
1049 extern tree voidify_wrapper_expr (tree, tree);
1050 extern tree build_and_jump (tree *);
1051 extern tree force_labels_r (tree *, int *, void *);
1052 extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *,
1054 struct gimplify_omp_ctx;
1055 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree);
1056 extern tree gimple_boolify (tree);
1057 extern gimple_predicate rhs_predicate_for (tree);
1058 extern tree canonicalize_cond_expr_cond (tree);
1061 extern tree omp_reduction_init (tree, tree);
1063 /* In tree-nested.c. */
1064 extern void lower_nested_functions (tree);
1065 extern void insert_field_into_struct (tree, tree);
1067 /* In gimplify.c. */
1068 extern void gimplify_function_tree (tree);
1070 /* In cfgexpand.c. */
1071 extern tree gimple_assign_rhs_to_tree (gimple);
1074 extern bool validate_gimple_arglist (const_gimple, ...);
1077 extern bool tree_ssa_useless_type_conversion (tree);
1078 extern tree tree_ssa_strip_useless_type_conversions (tree);
1079 extern bool useless_type_conversion_p (tree, tree);
1080 extern bool types_compatible_p (tree, tree);
1082 /* Return the code for GIMPLE statement G. */
1084 static inline enum gimple_code
1085 gimple_code (const_gimple g)
1087 return g->gsbase.code;
1091 /* Return the GSS code used by a GIMPLE code. */
1093 static inline enum gimple_statement_structure_enum
1094 gss_for_code (enum gimple_code code)
1096 gcc_gimple_checking_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE);
1097 return gss_for_code_[code];
1101 /* Return which GSS code is used by GS. */
1103 static inline enum gimple_statement_structure_enum
1104 gimple_statement_structure (gimple gs)
1106 return gss_for_code (gimple_code (gs));
1110 /* Return true if statement G has sub-statements. This is only true for
1111 High GIMPLE statements. */
1114 gimple_has_substatements (gimple g)
1116 switch (gimple_code (g))
1120 case GIMPLE_EH_FILTER:
1122 case GIMPLE_OMP_FOR:
1123 case GIMPLE_OMP_MASTER:
1124 case GIMPLE_OMP_ORDERED:
1125 case GIMPLE_OMP_SECTION:
1126 case GIMPLE_OMP_PARALLEL:
1127 case GIMPLE_OMP_TASK:
1128 case GIMPLE_OMP_SECTIONS:
1129 case GIMPLE_OMP_SINGLE:
1130 case GIMPLE_OMP_CRITICAL:
1131 case GIMPLE_WITH_CLEANUP_EXPR:
1140 /* Return the basic block holding statement G. */
1142 static inline struct basic_block_def *
1143 gimple_bb (const_gimple g)
1145 return g->gsbase.bb;
1149 /* Return the lexical scope block holding statement G. */
1152 gimple_block (const_gimple g)
1154 return g->gsbase.block;
1158 /* Set BLOCK to be the lexical scope block holding statement G. */
1161 gimple_set_block (gimple g, tree block)
1163 g->gsbase.block = block;
1167 /* Return location information for statement G. */
1169 static inline location_t
1170 gimple_location (const_gimple g)
1172 return g->gsbase.location;
1175 /* Return pointer to location information for statement G. */
1177 static inline const location_t *
1178 gimple_location_ptr (const_gimple g)
1180 return &g->gsbase.location;
1184 /* Set location information for statement G. */
1187 gimple_set_location (gimple g, location_t location)
1189 g->gsbase.location = location;
1193 /* Return true if G contains location information. */
1196 gimple_has_location (const_gimple g)
1198 return gimple_location (g) != UNKNOWN_LOCATION;
1202 /* Return the file name of the location of STMT. */
1204 static inline const char *
1205 gimple_filename (const_gimple stmt)
1207 return LOCATION_FILE (gimple_location (stmt));
1211 /* Return the line number of the location of STMT. */
1214 gimple_lineno (const_gimple stmt)
1216 return LOCATION_LINE (gimple_location (stmt));
1220 /* Determine whether SEQ is a singleton. */
1223 gimple_seq_singleton_p (gimple_seq seq)
1225 return ((gimple_seq_first (seq) != NULL)
1226 && (gimple_seq_first (seq) == gimple_seq_last (seq)));
1229 /* Return true if no warnings should be emitted for statement STMT. */
1232 gimple_no_warning_p (const_gimple stmt)
1234 return stmt->gsbase.no_warning;
1237 /* Set the no_warning flag of STMT to NO_WARNING. */
1240 gimple_set_no_warning (gimple stmt, bool no_warning)
1242 stmt->gsbase.no_warning = (unsigned) no_warning;
1245 /* Set the visited status on statement STMT to VISITED_P. */
1248 gimple_set_visited (gimple stmt, bool visited_p)
1250 stmt->gsbase.visited = (unsigned) visited_p;
1254 /* Return the visited status for statement STMT. */
1257 gimple_visited_p (gimple stmt)
1259 return stmt->gsbase.visited;
1263 /* Set pass local flag PLF on statement STMT to VAL_P. */
1266 gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p)
1269 stmt->gsbase.plf |= (unsigned int) plf;
1271 stmt->gsbase.plf &= ~((unsigned int) plf);
1275 /* Return the value of pass local flag PLF on statement STMT. */
1277 static inline unsigned int
1278 gimple_plf (gimple stmt, enum plf_mask plf)
1280 return stmt->gsbase.plf & ((unsigned int) plf);
1284 /* Set the UID of statement. */
1287 gimple_set_uid (gimple g, unsigned uid)
1289 g->gsbase.uid = uid;
1293 /* Return the UID of statement. */
1295 static inline unsigned
1296 gimple_uid (const_gimple g)
1298 return g->gsbase.uid;
1302 /* Return true if GIMPLE statement G has register or memory operands. */
1305 gimple_has_ops (const_gimple g)
1307 return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN;
1311 /* Return true if GIMPLE statement G has memory operands. */
1314 gimple_has_mem_ops (const_gimple g)
1316 return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN;
1320 /* Return the set of DEF operands for statement G. */
1322 static inline struct def_optype_d *
1323 gimple_def_ops (const_gimple g)
1325 if (!gimple_has_ops (g))
1327 return g->gsops.opbase.def_ops;
1331 /* Set DEF to be the set of DEF operands for statement G. */
1334 gimple_set_def_ops (gimple g, struct def_optype_d *def)
1336 gcc_gimple_checking_assert (gimple_has_ops (g));
1337 g->gsops.opbase.def_ops = def;
1341 /* Return the set of USE operands for statement G. */
1343 static inline struct use_optype_d *
1344 gimple_use_ops (const_gimple g)
1346 if (!gimple_has_ops (g))
1348 return g->gsops.opbase.use_ops;
1352 /* Set USE to be the set of USE operands for statement G. */
1355 gimple_set_use_ops (gimple g, struct use_optype_d *use)
1357 gcc_gimple_checking_assert (gimple_has_ops (g));
1358 g->gsops.opbase.use_ops = use;
1362 /* Return the set of VUSE operand for statement G. */
1364 static inline use_operand_p
1365 gimple_vuse_op (const_gimple g)
1367 struct use_optype_d *ops;
1368 if (!gimple_has_mem_ops (g))
1369 return NULL_USE_OPERAND_P;
1370 ops = g->gsops.opbase.use_ops;
1372 && USE_OP_PTR (ops)->use == &g->gsmembase.vuse)
1373 return USE_OP_PTR (ops);
1374 return NULL_USE_OPERAND_P;
1377 /* Return the set of VDEF operand for statement G. */
1379 static inline def_operand_p
1380 gimple_vdef_op (const_gimple g)
1382 struct def_optype_d *ops;
1383 if (!gimple_has_mem_ops (g))
1384 return NULL_DEF_OPERAND_P;
1385 ops = g->gsops.opbase.def_ops;
1387 && DEF_OP_PTR (ops) == &g->gsmembase.vdef)
1388 return DEF_OP_PTR (ops);
1389 return NULL_DEF_OPERAND_P;
1393 /* Return the single VUSE operand of the statement G. */
1396 gimple_vuse (const_gimple g)
1398 if (!gimple_has_mem_ops (g))
1400 return g->gsmembase.vuse;
1403 /* Return the single VDEF operand of the statement G. */
1406 gimple_vdef (const_gimple g)
1408 if (!gimple_has_mem_ops (g))
1410 return g->gsmembase.vdef;
1413 /* Return the single VUSE operand of the statement G. */
1415 static inline tree *
1416 gimple_vuse_ptr (gimple g)
1418 if (!gimple_has_mem_ops (g))
1420 return &g->gsmembase.vuse;
1423 /* Return the single VDEF operand of the statement G. */
1425 static inline tree *
1426 gimple_vdef_ptr (gimple g)
1428 if (!gimple_has_mem_ops (g))
1430 return &g->gsmembase.vdef;
1433 /* Set the single VUSE operand of the statement G. */
1436 gimple_set_vuse (gimple g, tree vuse)
1438 gcc_gimple_checking_assert (gimple_has_mem_ops (g));
1439 g->gsmembase.vuse = vuse;
1442 /* Set the single VDEF operand of the statement G. */
1445 gimple_set_vdef (gimple g, tree vdef)
1447 gcc_gimple_checking_assert (gimple_has_mem_ops (g));
1448 g->gsmembase.vdef = vdef;
1452 /* Return true if statement G has operands and the modified field has
1456 gimple_modified_p (const_gimple g)
1458 return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false;
1462 /* Return the tree code for the expression computed by STMT. This is
1463 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For
1464 GIMPLE_CALL, return CALL_EXPR as the expression code for
1465 consistency. This is useful when the caller needs to deal with the
1466 three kinds of computation that GIMPLE supports. */
1468 static inline enum tree_code
1469 gimple_expr_code (const_gimple stmt)
1471 enum gimple_code code = gimple_code (stmt);
1472 if (code == GIMPLE_ASSIGN || code == GIMPLE_COND)
1473 return (enum tree_code) stmt->gsbase.subcode;
1476 gcc_gimple_checking_assert (code == GIMPLE_CALL);
1482 /* Mark statement S as modified, and update it. */
1485 update_stmt (gimple s)
1487 if (gimple_has_ops (s))
1489 gimple_set_modified (s, true);
1490 update_stmt_operands (s);
1494 /* Update statement S if it has been optimized. */
1497 update_stmt_if_modified (gimple s)
1499 if (gimple_modified_p (s))
1500 update_stmt_operands (s);
1503 /* Return true if statement STMT contains volatile operands. */
1506 gimple_has_volatile_ops (const_gimple stmt)
1508 if (gimple_has_mem_ops (stmt))
1509 return stmt->gsbase.has_volatile_ops;
1515 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */
1518 gimple_set_has_volatile_ops (gimple stmt, bool volatilep)
1520 if (gimple_has_mem_ops (stmt))
1521 stmt->gsbase.has_volatile_ops = (unsigned) volatilep;
1525 /* Return true if statement STMT may access memory. */
1528 gimple_references_memory_p (gimple stmt)
1530 return gimple_has_mem_ops (stmt) && gimple_vuse (stmt);
1534 /* Return the subcode for OMP statement S. */
1536 static inline unsigned
1537 gimple_omp_subcode (const_gimple s)
1539 gcc_gimple_checking_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD
1540 && gimple_code (s) <= GIMPLE_OMP_SINGLE);
1541 return s->gsbase.subcode;
1544 /* Set the subcode for OMP statement S to SUBCODE. */
1547 gimple_omp_set_subcode (gimple s, unsigned int subcode)
1549 /* We only have 16 bits for the subcode. Assert that we are not
1551 gcc_gimple_checking_assert (subcode < (1 << 16));
1552 s->gsbase.subcode = subcode;
1555 /* Set the nowait flag on OMP_RETURN statement S. */
1558 gimple_omp_return_set_nowait (gimple s)
1560 GIMPLE_CHECK (s, GIMPLE_OMP_RETURN);
1561 s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT;
1565 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT
1569 gimple_omp_return_nowait_p (const_gimple g)
1571 GIMPLE_CHECK (g, GIMPLE_OMP_RETURN);
1572 return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0;
1576 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST
1580 gimple_omp_section_last_p (const_gimple g)
1582 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1583 return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0;
1587 /* Set the GF_OMP_SECTION_LAST flag on G. */
1590 gimple_omp_section_set_last (gimple g)
1592 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1593 g->gsbase.subcode |= GF_OMP_SECTION_LAST;
1597 /* Return true if OMP parallel statement G has the
1598 GF_OMP_PARALLEL_COMBINED flag set. */
1601 gimple_omp_parallel_combined_p (const_gimple g)
1603 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1604 return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0;
1608 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean
1609 value of COMBINED_P. */
1612 gimple_omp_parallel_set_combined_p (gimple g, bool combined_p)
1614 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1616 g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED;
1618 g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED;
1622 /* Return the number of operands for statement GS. */
1624 static inline unsigned
1625 gimple_num_ops (const_gimple gs)
1627 return gs->gsbase.num_ops;
1631 /* Set the number of operands for statement GS. */
1634 gimple_set_num_ops (gimple gs, unsigned num_ops)
1636 gs->gsbase.num_ops = num_ops;
1640 /* Return the array of operands for statement GS. */
1642 static inline tree *
1643 gimple_ops (gimple gs)
1647 /* All the tuples have their operand vector at the very bottom
1648 of the structure. Note that those structures that do not
1649 have an operand vector have a zero offset. */
1650 off = gimple_ops_offset_[gimple_statement_structure (gs)];
1651 gcc_gimple_checking_assert (off != 0);
1653 return (tree *) ((char *) gs + off);
1657 /* Return operand I for statement GS. */
1660 gimple_op (const_gimple gs, unsigned i)
1662 if (gimple_has_ops (gs))
1664 gcc_gimple_checking_assert (i < gimple_num_ops (gs));
1665 return gimple_ops (CONST_CAST_GIMPLE (gs))[i];
1671 /* Return a pointer to operand I for statement GS. */
1673 static inline tree *
1674 gimple_op_ptr (const_gimple gs, unsigned i)
1676 if (gimple_has_ops (gs))
1678 gcc_gimple_checking_assert (i < gimple_num_ops (gs));
1679 return gimple_ops (CONST_CAST_GIMPLE (gs)) + i;
1685 /* Set operand I of statement GS to OP. */
1688 gimple_set_op (gimple gs, unsigned i, tree op)
1690 gcc_gimple_checking_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs));
1692 /* Note. It may be tempting to assert that OP matches
1693 is_gimple_operand, but that would be wrong. Different tuples
1694 accept slightly different sets of tree operands. Each caller
1695 should perform its own validation. */
1696 gimple_ops (gs)[i] = op;
1699 /* Return true if GS is a GIMPLE_ASSIGN. */
1702 is_gimple_assign (const_gimple gs)
1704 return gimple_code (gs) == GIMPLE_ASSIGN;
1707 /* Determine if expression CODE is one of the valid expressions that can
1708 be used on the RHS of GIMPLE assignments. */
1710 static inline enum gimple_rhs_class
1711 get_gimple_rhs_class (enum tree_code code)
1713 return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code];
1716 /* Return the LHS of assignment statement GS. */
1719 gimple_assign_lhs (const_gimple gs)
1721 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1722 return gimple_op (gs, 0);
1726 /* Return a pointer to the LHS of assignment statement GS. */
1728 static inline tree *
1729 gimple_assign_lhs_ptr (const_gimple gs)
1731 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1732 return gimple_op_ptr (gs, 0);
1736 /* Set LHS to be the LHS operand of assignment statement GS. */
1739 gimple_assign_set_lhs (gimple gs, tree lhs)
1741 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1742 gimple_set_op (gs, 0, lhs);
1744 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1745 SSA_NAME_DEF_STMT (lhs) = gs;
1749 /* Return the first operand on the RHS of assignment statement GS. */
1752 gimple_assign_rhs1 (const_gimple gs)
1754 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1755 return gimple_op (gs, 1);
1759 /* Return a pointer to the first operand on the RHS of assignment
1762 static inline tree *
1763 gimple_assign_rhs1_ptr (const_gimple gs)
1765 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1766 return gimple_op_ptr (gs, 1);
1769 /* Set RHS to be the first operand on the RHS of assignment statement GS. */
1772 gimple_assign_set_rhs1 (gimple gs, tree rhs)
1774 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1776 gimple_set_op (gs, 1, rhs);
1780 /* Return the second operand on the RHS of assignment statement GS.
1781 If GS does not have two operands, NULL is returned instead. */
1784 gimple_assign_rhs2 (const_gimple gs)
1786 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1788 if (gimple_num_ops (gs) >= 3)
1789 return gimple_op (gs, 2);
1795 /* Return a pointer to the second operand on the RHS of assignment
1798 static inline tree *
1799 gimple_assign_rhs2_ptr (const_gimple gs)
1801 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1802 return gimple_op_ptr (gs, 2);
1806 /* Set RHS to be the second operand on the RHS of assignment statement GS. */
1809 gimple_assign_set_rhs2 (gimple gs, tree rhs)
1811 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1813 gimple_set_op (gs, 2, rhs);
1816 /* Return the third operand on the RHS of assignment statement GS.
1817 If GS does not have two operands, NULL is returned instead. */
1820 gimple_assign_rhs3 (const_gimple gs)
1822 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1824 if (gimple_num_ops (gs) >= 4)
1825 return gimple_op (gs, 3);
1830 /* Return a pointer to the third operand on the RHS of assignment
1833 static inline tree *
1834 gimple_assign_rhs3_ptr (const_gimple gs)
1836 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1837 return gimple_op_ptr (gs, 3);
1841 /* Set RHS to be the third operand on the RHS of assignment statement GS. */
1844 gimple_assign_set_rhs3 (gimple gs, tree rhs)
1846 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1848 gimple_set_op (gs, 3, rhs);
1851 /* A wrapper around gimple_assign_set_rhs_with_ops_1, for callers which expect
1852 to see only a maximum of two operands. */
1855 gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *gsi, enum tree_code code,
1858 gimple_assign_set_rhs_with_ops_1 (gsi, code, op1, op2, NULL);
1861 /* A wrapper around extract_ops_from_tree_1, for callers which expect
1862 to see only a maximum of two operands. */
1865 extract_ops_from_tree (tree expr, enum tree_code *code, tree *op0,
1869 extract_ops_from_tree_1 (expr, code, op0, op1, &op2);
1870 gcc_assert (op2 == NULL_TREE);
1873 /* Returns true if GS is a nontemporal move. */
1876 gimple_assign_nontemporal_move_p (const_gimple gs)
1878 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1879 return gs->gsbase.nontemporal_move;
1882 /* Sets nontemporal move flag of GS to NONTEMPORAL. */
1885 gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal)
1887 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1888 gs->gsbase.nontemporal_move = nontemporal;
1892 /* Return the code of the expression computed on the rhs of assignment
1893 statement GS. In case that the RHS is a single object, returns the
1894 tree code of the object. */
1896 static inline enum tree_code
1897 gimple_assign_rhs_code (const_gimple gs)
1899 enum tree_code code;
1900 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1902 code = gimple_expr_code (gs);
1903 if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS)
1904 code = TREE_CODE (gimple_assign_rhs1 (gs));
1910 /* Set CODE to be the code for the expression computed on the RHS of
1914 gimple_assign_set_rhs_code (gimple s, enum tree_code code)
1916 GIMPLE_CHECK (s, GIMPLE_ASSIGN);
1917 s->gsbase.subcode = code;
1921 /* Return the gimple rhs class of the code of the expression computed on
1922 the rhs of assignment statement GS.
1923 This will never return GIMPLE_INVALID_RHS. */
1925 static inline enum gimple_rhs_class
1926 gimple_assign_rhs_class (const_gimple gs)
1928 return get_gimple_rhs_class (gimple_assign_rhs_code (gs));
1932 /* Return true if S is a type-cast assignment. */
1935 gimple_assign_cast_p (gimple s)
1937 if (is_gimple_assign (s))
1939 enum tree_code sc = gimple_assign_rhs_code (s);
1940 return CONVERT_EXPR_CODE_P (sc)
1941 || sc == VIEW_CONVERT_EXPR
1942 || sc == FIX_TRUNC_EXPR;
1949 /* Return true if GS is a GIMPLE_CALL. */
1952 is_gimple_call (const_gimple gs)
1954 return gimple_code (gs) == GIMPLE_CALL;
1957 /* Return the LHS of call statement GS. */
1960 gimple_call_lhs (const_gimple gs)
1962 GIMPLE_CHECK (gs, GIMPLE_CALL);
1963 return gimple_op (gs, 0);
1967 /* Return a pointer to the LHS of call statement GS. */
1969 static inline tree *
1970 gimple_call_lhs_ptr (const_gimple gs)
1972 GIMPLE_CHECK (gs, GIMPLE_CALL);
1973 return gimple_op_ptr (gs, 0);
1977 /* Set LHS to be the LHS operand of call statement GS. */
1980 gimple_call_set_lhs (gimple gs, tree lhs)
1982 GIMPLE_CHECK (gs, GIMPLE_CALL);
1983 gimple_set_op (gs, 0, lhs);
1984 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1985 SSA_NAME_DEF_STMT (lhs) = gs;
1989 /* Return the tree node representing the function called by call
1993 gimple_call_fn (const_gimple gs)
1995 GIMPLE_CHECK (gs, GIMPLE_CALL);
1996 return gimple_op (gs, 1);
2000 /* Return a pointer to the tree node representing the function called by call
2003 static inline tree *
2004 gimple_call_fn_ptr (const_gimple gs)
2006 GIMPLE_CHECK (gs, GIMPLE_CALL);
2007 return gimple_op_ptr (gs, 1);
2011 /* Set FN to be the function called by call statement GS. */
2014 gimple_call_set_fn (gimple gs, tree fn)
2016 GIMPLE_CHECK (gs, GIMPLE_CALL);
2017 gimple_set_op (gs, 1, fn);
2021 /* Set FNDECL to be the function called by call statement GS. */
2024 gimple_call_set_fndecl (gimple gs, tree decl)
2026 GIMPLE_CHECK (gs, GIMPLE_CALL);
2027 gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl));
2031 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it.
2032 Otherwise return NULL. This function is analogous to
2033 get_callee_fndecl in tree land. */
2036 gimple_call_fndecl (const_gimple gs)
2038 tree addr = gimple_call_fn (gs);
2039 if (TREE_CODE (addr) == ADDR_EXPR)
2040 return TREE_OPERAND (addr, 0);
2045 /* Return the type returned by call statement GS. */
2048 gimple_call_return_type (const_gimple gs)
2050 tree fn = gimple_call_fn (gs);
2051 tree type = TREE_TYPE (fn);
2053 /* See through the pointer. */
2054 type = TREE_TYPE (type);
2056 /* The type returned by a FUNCTION_DECL is the type of its
2058 return TREE_TYPE (type);
2062 /* Return the static chain for call statement GS. */
2065 gimple_call_chain (const_gimple gs)
2067 GIMPLE_CHECK (gs, GIMPLE_CALL);
2068 return gimple_op (gs, 2);
2072 /* Return a pointer to the static chain for call statement GS. */
2074 static inline tree *
2075 gimple_call_chain_ptr (const_gimple gs)
2077 GIMPLE_CHECK (gs, GIMPLE_CALL);
2078 return gimple_op_ptr (gs, 2);
2081 /* Set CHAIN to be the static chain for call statement GS. */
2084 gimple_call_set_chain (gimple gs, tree chain)
2086 GIMPLE_CHECK (gs, GIMPLE_CALL);
2088 gimple_set_op (gs, 2, chain);
2092 /* Return the number of arguments used by call statement GS. */
2094 static inline unsigned
2095 gimple_call_num_args (const_gimple gs)
2098 GIMPLE_CHECK (gs, GIMPLE_CALL);
2099 num_ops = gimple_num_ops (gs);
2104 /* Return the argument at position INDEX for call statement GS. */
2107 gimple_call_arg (const_gimple gs, unsigned index)
2109 GIMPLE_CHECK (gs, GIMPLE_CALL);
2110 return gimple_op (gs, index + 3);
2114 /* Return a pointer to the argument at position INDEX for call
2117 static inline tree *
2118 gimple_call_arg_ptr (const_gimple gs, unsigned index)
2120 GIMPLE_CHECK (gs, GIMPLE_CALL);
2121 return gimple_op_ptr (gs, index + 3);
2125 /* Set ARG to be the argument at position INDEX for call statement GS. */
2128 gimple_call_set_arg (gimple gs, unsigned index, tree arg)
2130 GIMPLE_CHECK (gs, GIMPLE_CALL);
2131 gimple_set_op (gs, index + 3, arg);
2135 /* If TAIL_P is true, mark call statement S as being a tail call
2136 (i.e., a call just before the exit of a function). These calls are
2137 candidate for tail call optimization. */
2140 gimple_call_set_tail (gimple s, bool tail_p)
2142 GIMPLE_CHECK (s, GIMPLE_CALL);
2144 s->gsbase.subcode |= GF_CALL_TAILCALL;
2146 s->gsbase.subcode &= ~GF_CALL_TAILCALL;
2150 /* Return true if GIMPLE_CALL S is marked as a tail call. */
2153 gimple_call_tail_p (gimple s)
2155 GIMPLE_CHECK (s, GIMPLE_CALL);
2156 return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0;
2160 /* Set the inlinable status of GIMPLE_CALL S to INLINABLE_P. */
2163 gimple_call_set_cannot_inline (gimple s, bool inlinable_p)
2165 GIMPLE_CHECK (s, GIMPLE_CALL);
2167 s->gsbase.subcode |= GF_CALL_CANNOT_INLINE;
2169 s->gsbase.subcode &= ~GF_CALL_CANNOT_INLINE;
2173 /* Return true if GIMPLE_CALL S cannot be inlined. */
2176 gimple_call_cannot_inline_p (gimple s)
2178 GIMPLE_CHECK (s, GIMPLE_CALL);
2179 return (s->gsbase.subcode & GF_CALL_CANNOT_INLINE) != 0;
2183 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return
2184 slot optimization. This transformation uses the target of the call
2185 expansion as the return slot for calls that return in memory. */
2188 gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p)
2190 GIMPLE_CHECK (s, GIMPLE_CALL);
2191 if (return_slot_opt_p)
2192 s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT;
2194 s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT;
2198 /* Return true if S is marked for return slot optimization. */
2201 gimple_call_return_slot_opt_p (gimple s)
2203 GIMPLE_CHECK (s, GIMPLE_CALL);
2204 return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0;
2208 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a
2209 thunk to the thunked-to function. */
2212 gimple_call_set_from_thunk (gimple s, bool from_thunk_p)
2214 GIMPLE_CHECK (s, GIMPLE_CALL);
2216 s->gsbase.subcode |= GF_CALL_FROM_THUNK;
2218 s->gsbase.subcode &= ~GF_CALL_FROM_THUNK;
2222 /* Return true if GIMPLE_CALL S is a jump from a thunk. */
2225 gimple_call_from_thunk_p (gimple s)
2227 GIMPLE_CHECK (s, GIMPLE_CALL);
2228 return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0;
2232 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the
2233 argument pack in its argument list. */
2236 gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p)
2238 GIMPLE_CHECK (s, GIMPLE_CALL);
2239 if (pass_arg_pack_p)
2240 s->gsbase.subcode |= GF_CALL_VA_ARG_PACK;
2242 s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK;
2246 /* Return true if GIMPLE_CALL S is a stdarg call that needs the
2247 argument pack in its argument list. */
2250 gimple_call_va_arg_pack_p (gimple s)
2252 GIMPLE_CHECK (s, GIMPLE_CALL);
2253 return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0;
2257 /* Return true if S is a noreturn call. */
2260 gimple_call_noreturn_p (gimple s)
2262 GIMPLE_CHECK (s, GIMPLE_CALL);
2263 return (gimple_call_flags (s) & ECF_NORETURN) != 0;
2267 /* If NOTHROW_P is true, GIMPLE_CALL S is a call that is known to not throw
2268 even if the called function can throw in other cases. */
2271 gimple_call_set_nothrow (gimple s, bool nothrow_p)
2273 GIMPLE_CHECK (s, GIMPLE_CALL);
2275 s->gsbase.subcode |= GF_CALL_NOTHROW;
2277 s->gsbase.subcode &= ~GF_CALL_NOTHROW;
2280 /* Return true if S is a nothrow call. */
2283 gimple_call_nothrow_p (gimple s)
2285 GIMPLE_CHECK (s, GIMPLE_CALL);
2286 return (gimple_call_flags (s) & ECF_NOTHROW) != 0;
2290 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */
2293 gimple_call_copy_flags (gimple dest_call, gimple orig_call)
2295 GIMPLE_CHECK (dest_call, GIMPLE_CALL);
2296 GIMPLE_CHECK (orig_call, GIMPLE_CALL);
2297 dest_call->gsbase.subcode = orig_call->gsbase.subcode;
2301 /* Return a pointer to the points-to solution for the set of call-used
2302 variables of the call CALL. */
2304 static inline struct pt_solution *
2305 gimple_call_use_set (gimple call)
2307 GIMPLE_CHECK (call, GIMPLE_CALL);
2308 return &call->gimple_call.call_used;
2312 /* Return a pointer to the points-to solution for the set of call-used
2313 variables of the call CALL. */
2315 static inline struct pt_solution *
2316 gimple_call_clobber_set (gimple call)
2318 GIMPLE_CHECK (call, GIMPLE_CALL);
2319 return &call->gimple_call.call_clobbered;
2323 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a
2327 gimple_has_lhs (gimple stmt)
2329 return (is_gimple_assign (stmt)
2330 || (is_gimple_call (stmt)
2331 && gimple_call_lhs (stmt) != NULL_TREE));
2335 /* Return the code of the predicate computed by conditional statement GS. */
2337 static inline enum tree_code
2338 gimple_cond_code (const_gimple gs)
2340 GIMPLE_CHECK (gs, GIMPLE_COND);
2341 return (enum tree_code) gs->gsbase.subcode;
2345 /* Set CODE to be the predicate code for the conditional statement GS. */
2348 gimple_cond_set_code (gimple gs, enum tree_code code)
2350 GIMPLE_CHECK (gs, GIMPLE_COND);
2351 gs->gsbase.subcode = code;
2355 /* Return the LHS of the predicate computed by conditional statement GS. */
2358 gimple_cond_lhs (const_gimple gs)
2360 GIMPLE_CHECK (gs, GIMPLE_COND);
2361 return gimple_op (gs, 0);
2364 /* Return the pointer to the LHS of the predicate computed by conditional
2367 static inline tree *
2368 gimple_cond_lhs_ptr (const_gimple gs)
2370 GIMPLE_CHECK (gs, GIMPLE_COND);
2371 return gimple_op_ptr (gs, 0);
2374 /* Set LHS to be the LHS operand of the predicate computed by
2375 conditional statement GS. */
2378 gimple_cond_set_lhs (gimple gs, tree lhs)
2380 GIMPLE_CHECK (gs, GIMPLE_COND);
2381 gimple_set_op (gs, 0, lhs);
2385 /* Return the RHS operand of the predicate computed by conditional GS. */
2388 gimple_cond_rhs (const_gimple gs)
2390 GIMPLE_CHECK (gs, GIMPLE_COND);
2391 return gimple_op (gs, 1);
2394 /* Return the pointer to the RHS operand of the predicate computed by
2397 static inline tree *
2398 gimple_cond_rhs_ptr (const_gimple gs)
2400 GIMPLE_CHECK (gs, GIMPLE_COND);
2401 return gimple_op_ptr (gs, 1);
2405 /* Set RHS to be the RHS operand of the predicate computed by
2406 conditional statement GS. */
2409 gimple_cond_set_rhs (gimple gs, tree rhs)
2411 GIMPLE_CHECK (gs, GIMPLE_COND);
2412 gimple_set_op (gs, 1, rhs);
2416 /* Return the label used by conditional statement GS when its
2417 predicate evaluates to true. */
2420 gimple_cond_true_label (const_gimple gs)
2422 GIMPLE_CHECK (gs, GIMPLE_COND);
2423 return gimple_op (gs, 2);
2427 /* Set LABEL to be the label used by conditional statement GS when its
2428 predicate evaluates to true. */
2431 gimple_cond_set_true_label (gimple gs, tree label)
2433 GIMPLE_CHECK (gs, GIMPLE_COND);
2434 gimple_set_op (gs, 2, label);
2438 /* Set LABEL to be the label used by conditional statement GS when its
2439 predicate evaluates to false. */
2442 gimple_cond_set_false_label (gimple gs, tree label)
2444 GIMPLE_CHECK (gs, GIMPLE_COND);
2445 gimple_set_op (gs, 3, label);
2449 /* Return the label used by conditional statement GS when its
2450 predicate evaluates to false. */
2453 gimple_cond_false_label (const_gimple gs)
2455 GIMPLE_CHECK (gs, GIMPLE_COND);
2456 return gimple_op (gs, 3);
2460 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */
2463 gimple_cond_make_false (gimple gs)
2465 gimple_cond_set_lhs (gs, boolean_true_node);
2466 gimple_cond_set_rhs (gs, boolean_false_node);
2467 gs->gsbase.subcode = EQ_EXPR;
2471 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */
2474 gimple_cond_make_true (gimple gs)
2476 gimple_cond_set_lhs (gs, boolean_true_node);
2477 gimple_cond_set_rhs (gs, boolean_true_node);
2478 gs->gsbase.subcode = EQ_EXPR;
2481 /* Check if conditional statemente GS is of the form 'if (1 == 1)',
2482 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */
2485 gimple_cond_true_p (const_gimple gs)
2487 tree lhs = gimple_cond_lhs (gs);
2488 tree rhs = gimple_cond_rhs (gs);
2489 enum tree_code code = gimple_cond_code (gs);
2491 if (lhs != boolean_true_node && lhs != boolean_false_node)
2494 if (rhs != boolean_true_node && rhs != boolean_false_node)
2497 if (code == NE_EXPR && lhs != rhs)
2500 if (code == EQ_EXPR && lhs == rhs)
2506 /* Check if conditional statement GS is of the form 'if (1 != 1)',
2507 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */
2510 gimple_cond_false_p (const_gimple gs)
2512 tree lhs = gimple_cond_lhs (gs);
2513 tree rhs = gimple_cond_rhs (gs);
2514 enum tree_code code = gimple_cond_code (gs);
2516 if (lhs != boolean_true_node && lhs != boolean_false_node)
2519 if (rhs != boolean_true_node && rhs != boolean_false_node)
2522 if (code == NE_EXPR && lhs == rhs)
2525 if (code == EQ_EXPR && lhs != rhs)
2531 /* Check if conditional statement GS is of the form 'if (var != 0)' or
2535 gimple_cond_single_var_p (gimple gs)
2537 if (gimple_cond_code (gs) == NE_EXPR
2538 && gimple_cond_rhs (gs) == boolean_false_node)
2541 if (gimple_cond_code (gs) == EQ_EXPR
2542 && gimple_cond_rhs (gs) == boolean_true_node)
2548 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */
2551 gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs)
2553 gimple_cond_set_code (stmt, code);
2554 gimple_cond_set_lhs (stmt, lhs);
2555 gimple_cond_set_rhs (stmt, rhs);
2558 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */
2561 gimple_label_label (const_gimple gs)
2563 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2564 return gimple_op (gs, 0);
2568 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement
2572 gimple_label_set_label (gimple gs, tree label)
2574 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2575 gimple_set_op (gs, 0, label);
2579 /* Return the destination of the unconditional jump GS. */
2582 gimple_goto_dest (const_gimple gs)
2584 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2585 return gimple_op (gs, 0);
2589 /* Set DEST to be the destination of the unconditonal jump GS. */
2592 gimple_goto_set_dest (gimple gs, tree dest)
2594 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2595 gimple_set_op (gs, 0, dest);
2599 /* Return the variables declared in the GIMPLE_BIND statement GS. */
2602 gimple_bind_vars (const_gimple gs)
2604 GIMPLE_CHECK (gs, GIMPLE_BIND);
2605 return gs->gimple_bind.vars;
2609 /* Set VARS to be the set of variables declared in the GIMPLE_BIND
2613 gimple_bind_set_vars (gimple gs, tree vars)
2615 GIMPLE_CHECK (gs, GIMPLE_BIND);
2616 gs->gimple_bind.vars = vars;
2620 /* Append VARS to the set of variables declared in the GIMPLE_BIND
2624 gimple_bind_append_vars (gimple gs, tree vars)
2626 GIMPLE_CHECK (gs, GIMPLE_BIND);
2627 gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars);
2631 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */
2633 static inline gimple_seq
2634 gimple_bind_body (gimple gs)
2636 GIMPLE_CHECK (gs, GIMPLE_BIND);
2637 return gs->gimple_bind.body;
2641 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND
2645 gimple_bind_set_body (gimple gs, gimple_seq seq)
2647 GIMPLE_CHECK (gs, GIMPLE_BIND);
2648 gs->gimple_bind.body = seq;
2652 /* Append a statement to the end of a GIMPLE_BIND's body. */
2655 gimple_bind_add_stmt (gimple gs, gimple stmt)
2657 GIMPLE_CHECK (gs, GIMPLE_BIND);
2658 gimple_seq_add_stmt (&gs->gimple_bind.body, stmt);
2662 /* Append a sequence of statements to the end of a GIMPLE_BIND's body. */
2665 gimple_bind_add_seq (gimple gs, gimple_seq seq)
2667 GIMPLE_CHECK (gs, GIMPLE_BIND);
2668 gimple_seq_add_seq (&gs->gimple_bind.body, seq);
2672 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement
2673 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */
2676 gimple_bind_block (const_gimple gs)
2678 GIMPLE_CHECK (gs, GIMPLE_BIND);
2679 return gs->gimple_bind.block;
2683 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND
2687 gimple_bind_set_block (gimple gs, tree block)
2689 GIMPLE_CHECK (gs, GIMPLE_BIND);
2690 gcc_gimple_checking_assert (block == NULL_TREE
2691 || TREE_CODE (block) == BLOCK);
2692 gs->gimple_bind.block = block;
2696 /* Return the number of input operands for GIMPLE_ASM GS. */
2698 static inline unsigned
2699 gimple_asm_ninputs (const_gimple gs)
2701 GIMPLE_CHECK (gs, GIMPLE_ASM);
2702 return gs->gimple_asm.ni;
2706 /* Return the number of output operands for GIMPLE_ASM GS. */
2708 static inline unsigned
2709 gimple_asm_noutputs (const_gimple gs)
2711 GIMPLE_CHECK (gs, GIMPLE_ASM);
2712 return gs->gimple_asm.no;
2716 /* Return the number of clobber operands for GIMPLE_ASM GS. */
2718 static inline unsigned
2719 gimple_asm_nclobbers (const_gimple gs)
2721 GIMPLE_CHECK (gs, GIMPLE_ASM);
2722 return gs->gimple_asm.nc;
2725 /* Return the number of label operands for GIMPLE_ASM GS. */
2727 static inline unsigned
2728 gimple_asm_nlabels (const_gimple gs)
2730 GIMPLE_CHECK (gs, GIMPLE_ASM);
2731 return gs->gimple_asm.nl;
2734 /* Return input operand INDEX of GIMPLE_ASM GS. */
2737 gimple_asm_input_op (const_gimple gs, unsigned index)
2739 GIMPLE_CHECK (gs, GIMPLE_ASM);
2740 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni);
2741 return gimple_op (gs, index);
2744 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */
2746 static inline tree *
2747 gimple_asm_input_op_ptr (const_gimple gs, unsigned index)
2749 GIMPLE_CHECK (gs, GIMPLE_ASM);
2750 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni);
2751 return gimple_op_ptr (gs, index);
2755 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */
2758 gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op)
2760 GIMPLE_CHECK (gs, GIMPLE_ASM);
2761 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni
2762 && TREE_CODE (in_op) == TREE_LIST);
2763 gimple_set_op (gs, index, in_op);
2767 /* Return output operand INDEX of GIMPLE_ASM GS. */
2770 gimple_asm_output_op (const_gimple gs, unsigned index)
2772 GIMPLE_CHECK (gs, GIMPLE_ASM);
2773 gcc_gimple_checking_assert (index <= gs->gimple_asm.no);
2774 return gimple_op (gs, index + gs->gimple_asm.ni);
2777 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */
2779 static inline tree *
2780 gimple_asm_output_op_ptr (const_gimple gs, unsigned index)
2782 GIMPLE_CHECK (gs, GIMPLE_ASM);
2783 gcc_gimple_checking_assert (index <= gs->gimple_asm.no);
2784 return gimple_op_ptr (gs, index + gs->gimple_asm.ni);
2788 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */
2791 gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op)
2793 GIMPLE_CHECK (gs, GIMPLE_ASM);
2794 gcc_gimple_checking_assert (index <= gs->gimple_asm.no
2795 && TREE_CODE (out_op) == TREE_LIST);
2796 gimple_set_op (gs, index + gs->gimple_asm.ni, out_op);
2800 /* Return clobber operand INDEX of GIMPLE_ASM GS. */
2803 gimple_asm_clobber_op (const_gimple gs, unsigned index)
2805 GIMPLE_CHECK (gs, GIMPLE_ASM);
2806 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc);
2807 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no);
2811 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */
2814 gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op)
2816 GIMPLE_CHECK (gs, GIMPLE_ASM);
2817 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc
2818 && TREE_CODE (clobber_op) == TREE_LIST);
2819 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op);
2822 /* Return label operand INDEX of GIMPLE_ASM GS. */
2825 gimple_asm_label_op (const_gimple gs, unsigned index)
2827 GIMPLE_CHECK (gs, GIMPLE_ASM);
2828 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl);
2829 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc);
2832 /* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS. */
2835 gimple_asm_set_label_op (gimple gs, unsigned index, tree label_op)
2837 GIMPLE_CHECK (gs, GIMPLE_ASM);
2838 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl
2839 && TREE_CODE (label_op) == TREE_LIST);
2840 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc, label_op);
2843 /* Return the string representing the assembly instruction in
2846 static inline const char *
2847 gimple_asm_string (const_gimple gs)
2849 GIMPLE_CHECK (gs, GIMPLE_ASM);
2850 return gs->gimple_asm.string;
2854 /* Return true if GS is an asm statement marked volatile. */
2857 gimple_asm_volatile_p (const_gimple gs)
2859 GIMPLE_CHECK (gs, GIMPLE_ASM);
2860 return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0;
2864 /* If VOLATLE_P is true, mark asm statement GS as volatile. */
2867 gimple_asm_set_volatile (gimple gs, bool volatile_p)
2869 GIMPLE_CHECK (gs, GIMPLE_ASM);
2871 gs->gsbase.subcode |= GF_ASM_VOLATILE;
2873 gs->gsbase.subcode &= ~GF_ASM_VOLATILE;
2877 /* If INPUT_P is true, mark asm GS as an ASM_INPUT. */
2880 gimple_asm_set_input (gimple gs, bool input_p)
2882 GIMPLE_CHECK (gs, GIMPLE_ASM);
2884 gs->gsbase.subcode |= GF_ASM_INPUT;
2886 gs->gsbase.subcode &= ~GF_ASM_INPUT;
2890 /* Return true if asm GS is an ASM_INPUT. */
2893 gimple_asm_input_p (const_gimple gs)
2895 GIMPLE_CHECK (gs, GIMPLE_ASM);
2896 return (gs->gsbase.subcode & GF_ASM_INPUT) != 0;
2900 /* Return the types handled by GIMPLE_CATCH statement GS. */
2903 gimple_catch_types (const_gimple gs)
2905 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2906 return gs->gimple_catch.types;
2910 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */
2912 static inline tree *
2913 gimple_catch_types_ptr (gimple gs)
2915 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2916 return &gs->gimple_catch.types;
2920 /* Return the GIMPLE sequence representing the body of the handler of
2921 GIMPLE_CATCH statement GS. */
2923 static inline gimple_seq
2924 gimple_catch_handler (gimple gs)
2926 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2927 return gs->gimple_catch.handler;
2931 /* Return a pointer to the GIMPLE sequence representing the body of
2932 the handler of GIMPLE_CATCH statement GS. */
2934 static inline gimple_seq *
2935 gimple_catch_handler_ptr (gimple gs)
2937 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2938 return &gs->gimple_catch.handler;
2942 /* Set T to be the set of types handled by GIMPLE_CATCH GS. */
2945 gimple_catch_set_types (gimple gs, tree t)
2947 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2948 gs->gimple_catch.types = t;
2952 /* Set HANDLER to be the body of GIMPLE_CATCH GS. */
2955 gimple_catch_set_handler (gimple gs, gimple_seq handler)
2957 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2958 gs->gimple_catch.handler = handler;
2962 /* Return the types handled by GIMPLE_EH_FILTER statement GS. */
2965 gimple_eh_filter_types (const_gimple gs)
2967 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2968 return gs->gimple_eh_filter.types;
2972 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement
2975 static inline tree *
2976 gimple_eh_filter_types_ptr (gimple gs)
2978 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2979 return &gs->gimple_eh_filter.types;
2983 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER
2986 static inline gimple_seq
2987 gimple_eh_filter_failure (gimple gs)
2989 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2990 return gs->gimple_eh_filter.failure;
2994 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */
2997 gimple_eh_filter_set_types (gimple gs, tree types)
2999 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3000 gs->gimple_eh_filter.types = types;
3004 /* Set FAILURE to be the sequence of statements to execute on failure
3005 for GIMPLE_EH_FILTER GS. */
3008 gimple_eh_filter_set_failure (gimple gs, gimple_seq failure)
3010 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3011 gs->gimple_eh_filter.failure = failure;
3014 /* Get the function decl to be called by the MUST_NOT_THROW region. */
3017 gimple_eh_must_not_throw_fndecl (gimple gs)
3019 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
3020 return gs->gimple_eh_mnt.fndecl;
3023 /* Set the function decl to be called by GS to DECL. */
3026 gimple_eh_must_not_throw_set_fndecl (gimple gs, tree decl)
3028 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
3029 gs->gimple_eh_mnt.fndecl = decl;
3033 /* GIMPLE_TRY accessors. */
3035 /* Return the kind of try block represented by GIMPLE_TRY GS. This is
3036 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */
3038 static inline enum gimple_try_flags
3039 gimple_try_kind (const_gimple gs)
3041 GIMPLE_CHECK (gs, GIMPLE_TRY);
3042 return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND);
3046 /* Set the kind of try block represented by GIMPLE_TRY GS. */
3049 gimple_try_set_kind (gimple gs, enum gimple_try_flags kind)
3051 GIMPLE_CHECK (gs, GIMPLE_TRY);
3052 gcc_gimple_checking_assert (kind == GIMPLE_TRY_CATCH
3053 || kind == GIMPLE_TRY_FINALLY);
3054 if (gimple_try_kind (gs) != kind)
3055 gs->gsbase.subcode = (unsigned int) kind;
3059 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3062 gimple_try_catch_is_cleanup (const_gimple gs)
3064 gcc_gimple_checking_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH);
3065 return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0;
3069 /* Return the sequence of statements used as the body for GIMPLE_TRY GS. */
3071 static inline gimple_seq
3072 gimple_try_eval (gimple gs)
3074 GIMPLE_CHECK (gs, GIMPLE_TRY);
3075 return gs->gimple_try.eval;
3079 /* Return the sequence of statements used as the cleanup body for
3082 static inline gimple_seq
3083 gimple_try_cleanup (gimple gs)
3085 GIMPLE_CHECK (gs, GIMPLE_TRY);
3086 return gs->gimple_try.cleanup;
3090 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3093 gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup)
3095 gcc_gimple_checking_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH);
3096 if (catch_is_cleanup)
3097 g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP;
3099 g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP;
3103 /* Set EVAL to be the sequence of statements to use as the body for
3107 gimple_try_set_eval (gimple gs, gimple_seq eval)
3109 GIMPLE_CHECK (gs, GIMPLE_TRY);
3110 gs->gimple_try.eval = eval;
3114 /* Set CLEANUP to be the sequence of statements to use as the cleanup
3115 body for GIMPLE_TRY GS. */
3118 gimple_try_set_cleanup (gimple gs, gimple_seq cleanup)
3120 GIMPLE_CHECK (gs, GIMPLE_TRY);
3121 gs->gimple_try.cleanup = cleanup;
3125 /* Return the cleanup sequence for cleanup statement GS. */
3127 static inline gimple_seq
3128 gimple_wce_cleanup (gimple gs)
3130 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3131 return gs->gimple_wce.cleanup;
3135 /* Set CLEANUP to be the cleanup sequence for GS. */
3138 gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup)
3140 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3141 gs->gimple_wce.cleanup = cleanup;
3145 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */
3148 gimple_wce_cleanup_eh_only (const_gimple gs)
3150 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3151 return gs->gsbase.subcode != 0;
3155 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */
3158 gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p)
3160 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3161 gs->gsbase.subcode = (unsigned int) eh_only_p;
3165 /* Return the maximum number of arguments supported by GIMPLE_PHI GS. */
3167 static inline unsigned
3168 gimple_phi_capacity (const_gimple gs)
3170 GIMPLE_CHECK (gs, GIMPLE_PHI);
3171 return gs->gimple_phi.capacity;
3175 /* Return the number of arguments in GIMPLE_PHI GS. This must always
3176 be exactly the number of incoming edges for the basic block holding
3179 static inline unsigned
3180 gimple_phi_num_args (const_gimple gs)
3182 GIMPLE_CHECK (gs, GIMPLE_PHI);
3183 return gs->gimple_phi.nargs;
3187 /* Return the SSA name created by GIMPLE_PHI GS. */
3190 gimple_phi_result (const_gimple gs)
3192 GIMPLE_CHECK (gs, GIMPLE_PHI);
3193 return gs->gimple_phi.result;
3196 /* Return a pointer to the SSA name created by GIMPLE_PHI GS. */
3198 static inline tree *
3199 gimple_phi_result_ptr (gimple gs)
3201 GIMPLE_CHECK (gs, GIMPLE_PHI);
3202 return &gs->gimple_phi.result;
3205 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */
3208 gimple_phi_set_result (gimple gs, tree result)
3210 GIMPLE_CHECK (gs, GIMPLE_PHI);
3211 gs->gimple_phi.result = result;
3215 /* Return the PHI argument corresponding to incoming edge INDEX for
3218 static inline struct phi_arg_d *
3219 gimple_phi_arg (gimple gs, unsigned index)
3221 GIMPLE_CHECK (gs, GIMPLE_PHI);
3222 gcc_gimple_checking_assert (index <= gs->gimple_phi.capacity);
3223 return &(gs->gimple_phi.args[index]);
3226 /* Set PHIARG to be the argument corresponding to incoming edge INDEX
3227 for GIMPLE_PHI GS. */
3230 gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg)
3232 GIMPLE_CHECK (gs, GIMPLE_PHI);
3233 gcc_gimple_checking_assert (index <= gs->gimple_phi.nargs);
3234 gs->gimple_phi.args[index] = *phiarg;
3237 /* Return the region number for GIMPLE_RESX GS. */
3240 gimple_resx_region (const_gimple gs)
3242 GIMPLE_CHECK (gs, GIMPLE_RESX);
3243 return gs->gimple_eh_ctrl.region;
3246 /* Set REGION to be the region number for GIMPLE_RESX GS. */
3249 gimple_resx_set_region (gimple gs, int region)
3251 GIMPLE_CHECK (gs, GIMPLE_RESX);
3252 gs->gimple_eh_ctrl.region = region;
3255 /* Return the region number for GIMPLE_EH_DISPATCH GS. */
3258 gimple_eh_dispatch_region (const_gimple gs)
3260 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3261 return gs->gimple_eh_ctrl.region;
3264 /* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS. */
3267 gimple_eh_dispatch_set_region (gimple gs, int region)
3269 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3270 gs->gimple_eh_ctrl.region = region;
3273 /* Return the number of labels associated with the switch statement GS. */
3275 static inline unsigned
3276 gimple_switch_num_labels (const_gimple gs)
3279 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3280 num_ops = gimple_num_ops (gs);
3281 gcc_gimple_checking_assert (num_ops > 1);
3286 /* Set NLABELS to be the number of labels for the switch statement GS. */
3289 gimple_switch_set_num_labels (gimple g, unsigned nlabels)
3291 GIMPLE_CHECK (g, GIMPLE_SWITCH);
3292 gimple_set_num_ops (g, nlabels + 1);
3296 /* Return the index variable used by the switch statement GS. */
3299 gimple_switch_index (const_gimple gs)
3301 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3302 return gimple_op (gs, 0);
3306 /* Return a pointer to the index variable for the switch statement GS. */
3308 static inline tree *
3309 gimple_switch_index_ptr (const_gimple gs)
3311 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3312 return gimple_op_ptr (gs, 0);
3316 /* Set INDEX to be the index variable for switch statement GS. */
3319 gimple_switch_set_index (gimple gs, tree index)
3321 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3322 gcc_gimple_checking_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index));
3323 gimple_set_op (gs, 0, index);
3327 /* Return the label numbered INDEX. The default label is 0, followed by any
3328 labels in a switch statement. */
3331 gimple_switch_label (const_gimple gs, unsigned index)
3333 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3334 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1);
3335 return gimple_op (gs, index + 1);
3338 /* Set the label number INDEX to LABEL. 0 is always the default label. */
3341 gimple_switch_set_label (gimple gs, unsigned index, tree label)
3343 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3344 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1
3345 && (label == NULL_TREE
3346 || TREE_CODE (label) == CASE_LABEL_EXPR));
3347 gimple_set_op (gs, index + 1, label);
3350 /* Return the default label for a switch statement. */
3353 gimple_switch_default_label (const_gimple gs)
3355 return gimple_switch_label (gs, 0);
3358 /* Set the default label for a switch statement. */
3361 gimple_switch_set_default_label (gimple gs, tree label)
3363 gimple_switch_set_label (gs, 0, label);
3366 /* Return true if GS is a GIMPLE_DEBUG statement. */
3369 is_gimple_debug (const_gimple gs)
3371 return gimple_code (gs) == GIMPLE_DEBUG;
3374 /* Return true if S is a GIMPLE_DEBUG BIND statement. */
3377 gimple_debug_bind_p (const_gimple s)
3379 if (is_gimple_debug (s))
3380 return s->gsbase.subcode == GIMPLE_DEBUG_BIND;
3385 /* Return the variable bound in a GIMPLE_DEBUG bind statement. */
3388 gimple_debug_bind_get_var (gimple dbg)
3390 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3391 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3392 return gimple_op (dbg, 0);
3395 /* Return the value bound to the variable in a GIMPLE_DEBUG bind
3399 gimple_debug_bind_get_value (gimple dbg)
3401 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3402 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3403 return gimple_op (dbg, 1);
3406 /* Return a pointer to the value bound to the variable in a
3407 GIMPLE_DEBUG bind statement. */
3409 static inline tree *
3410 gimple_debug_bind_get_value_ptr (gimple dbg)
3412 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3413 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3414 return gimple_op_ptr (dbg, 1);
3417 /* Set the variable bound in a GIMPLE_DEBUG bind statement. */
3420 gimple_debug_bind_set_var (gimple dbg, tree var)
3422 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3423 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3424 gimple_set_op (dbg, 0, var);
3427 /* Set the value bound to the variable in a GIMPLE_DEBUG bind
3431 gimple_debug_bind_set_value (gimple dbg, tree value)
3433 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3434 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3435 gimple_set_op (dbg, 1, value);
3438 /* The second operand of a GIMPLE_DEBUG_BIND, when the value was
3440 #define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */
3442 /* Remove the value bound to the variable in a GIMPLE_DEBUG bind
3446 gimple_debug_bind_reset_value (gimple dbg)
3448 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3449 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3450 gimple_set_op (dbg, 1, GIMPLE_DEBUG_BIND_NOVALUE);
3453 /* Return true if the GIMPLE_DEBUG bind statement is bound to a
3457 gimple_debug_bind_has_value_p (gimple dbg)
3459 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3460 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3461 return gimple_op (dbg, 1) != GIMPLE_DEBUG_BIND_NOVALUE;
3464 #undef GIMPLE_DEBUG_BIND_NOVALUE
3466 /* Return the body for the OMP statement GS. */
3468 static inline gimple_seq
3469 gimple_omp_body (gimple gs)
3471 return gs->omp.body;
3474 /* Set BODY to be the body for the OMP statement GS. */
3477 gimple_omp_set_body (gimple gs, gimple_seq body)
3479 gs->omp.body = body;
3483 /* Return the name associated with OMP_CRITICAL statement GS. */
3486 gimple_omp_critical_name (const_gimple gs)
3488 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3489 return gs->gimple_omp_critical.name;
3493 /* Return a pointer to the name associated with OMP critical statement GS. */
3495 static inline tree *
3496 gimple_omp_critical_name_ptr (gimple gs)
3498 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3499 return &gs->gimple_omp_critical.name;
3503 /* Set NAME to be the name associated with OMP critical statement GS. */
3506 gimple_omp_critical_set_name (gimple gs, tree name)
3508 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3509 gs->gimple_omp_critical.name = name;
3513 /* Return the clauses associated with OMP_FOR GS. */
3516 gimple_omp_for_clauses (const_gimple gs)
3518 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3519 return gs->gimple_omp_for.clauses;
3523 /* Return a pointer to the OMP_FOR GS. */
3525 static inline tree *
3526 gimple_omp_for_clauses_ptr (gimple gs)
3528 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3529 return &gs->gimple_omp_for.clauses;
3533 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */
3536 gimple_omp_for_set_clauses (gimple gs, tree clauses)
3538 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3539 gs->gimple_omp_for.clauses = clauses;
3543 /* Get the collapse count of OMP_FOR GS. */
3545 static inline size_t
3546 gimple_omp_for_collapse (gimple gs)
3548 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3549 return gs->gimple_omp_for.collapse;
3553 /* Return the index variable for OMP_FOR GS. */
3556 gimple_omp_for_index (const_gimple gs, size_t i)
3558 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3559 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3560 return gs->gimple_omp_for.iter[i].index;
3564 /* Return a pointer to the index variable for OMP_FOR GS. */
3566 static inline tree *
3567 gimple_omp_for_index_ptr (gimple gs, size_t i)
3569 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3570 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3571 return &gs->gimple_omp_for.iter[i].index;
3575 /* Set INDEX to be the index variable for OMP_FOR GS. */
3578 gimple_omp_for_set_index (gimple gs, size_t i, tree index)
3580 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3581 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3582 gs->gimple_omp_for.iter[i].index = index;
3586 /* Return the initial value for OMP_FOR GS. */
3589 gimple_omp_for_initial (const_gimple gs, size_t i)
3591 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3592 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3593 return gs->gimple_omp_for.iter[i].initial;
3597 /* Return a pointer to the initial value for OMP_FOR GS. */
3599 static inline tree *
3600 gimple_omp_for_initial_ptr (gimple gs, size_t i)
3602 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3603 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3604 return &gs->gimple_omp_for.iter[i].initial;
3608 /* Set INITIAL to be the initial value for OMP_FOR GS. */
3611 gimple_omp_for_set_initial (gimple gs, size_t i, tree initial)
3613 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3614 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3615 gs->gimple_omp_for.iter[i].initial = initial;
3619 /* Return the final value for OMP_FOR GS. */
3622 gimple_omp_for_final (const_gimple gs, size_t i)
3624 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3625 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3626 return gs->gimple_omp_for.iter[i].final;
3630 /* Return a pointer to the final value for OMP_FOR GS. */
3632 static inline tree *
3633 gimple_omp_for_final_ptr (gimple gs, size_t i)
3635 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3636 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3637 return &gs->gimple_omp_for.iter[i].final;
3641 /* Set FINAL to be the final value for OMP_FOR GS. */
3644 gimple_omp_for_set_final (gimple gs, size_t i, tree final)
3646 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3647 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3648 gs->gimple_omp_for.iter[i].final = final;
3652 /* Return the increment value for OMP_FOR GS. */
3655 gimple_omp_for_incr (const_gimple gs, size_t i)
3657 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3658 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3659 return gs->gimple_omp_for.iter[i].incr;
3663 /* Return a pointer to the increment value for OMP_FOR GS. */
3665 static inline tree *
3666 gimple_omp_for_incr_ptr (gimple gs, size_t i)
3668 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3669 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3670 return &gs->gimple_omp_for.iter[i].incr;
3674 /* Set INCR to be the increment value for OMP_FOR GS. */
3677 gimple_omp_for_set_incr (gimple gs, size_t i, tree incr)
3679 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3680 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3681 gs->gimple_omp_for.iter[i].incr = incr;
3685 /* Return the sequence of statements to execute before the OMP_FOR
3686 statement GS starts. */
3688 static inline gimple_seq
3689 gimple_omp_for_pre_body (gimple gs)
3691 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3692 return gs->gimple_omp_for.pre_body;
3696 /* Set PRE_BODY to be the sequence of statements to execute before the
3697 OMP_FOR statement GS starts. */
3700 gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body)
3702 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3703 gs->gimple_omp_for.pre_body = pre_body;
3707 /* Return the clauses associated with OMP_PARALLEL GS. */
3710 gimple_omp_parallel_clauses (const_gimple gs)
3712 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3713 return gs->gimple_omp_parallel.clauses;
3717 /* Return a pointer to the clauses associated with OMP_PARALLEL GS. */
3719 static inline tree *
3720 gimple_omp_parallel_clauses_ptr (gimple gs)
3722 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3723 return &gs->gimple_omp_parallel.clauses;
3727 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL
3731 gimple_omp_parallel_set_clauses (gimple gs, tree clauses)
3733 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3734 gs->gimple_omp_parallel.clauses = clauses;
3738 /* Return the child function used to hold the body of OMP_PARALLEL GS. */
3741 gimple_omp_parallel_child_fn (const_gimple gs)
3743 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3744 return gs->gimple_omp_parallel.child_fn;
3747 /* Return a pointer to the child function used to hold the body of
3750 static inline tree *
3751 gimple_omp_parallel_child_fn_ptr (gimple gs)
3753 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3754 return &gs->gimple_omp_parallel.child_fn;
3758 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */
3761 gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn)
3763 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3764 gs->gimple_omp_parallel.child_fn = child_fn;
3768 /* Return the artificial argument used to send variables and values
3769 from the parent to the children threads in OMP_PARALLEL GS. */
3772 gimple_omp_parallel_data_arg (const_gimple gs)
3774 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3775 return gs->gimple_omp_parallel.data_arg;
3779 /* Return a pointer to the data argument for OMP_PARALLEL GS. */
3781 static inline tree *
3782 gimple_omp_parallel_data_arg_ptr (gimple gs)
3784 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3785 return &gs->gimple_omp_parallel.data_arg;
3789 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */
3792 gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg)
3794 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3795 gs->gimple_omp_parallel.data_arg = data_arg;
3799 /* Return the clauses associated with OMP_TASK GS. */
3802 gimple_omp_task_clauses (const_gimple gs)
3804 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3805 return gs->gimple_omp_parallel.clauses;
3809 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3811 static inline tree *
3812 gimple_omp_task_clauses_ptr (gimple gs)
3814 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3815 return &gs->gimple_omp_parallel.clauses;
3819 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3823 gimple_omp_task_set_clauses (gimple gs, tree clauses)
3825 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3826 gs->gimple_omp_parallel.clauses = clauses;
3830 /* Return the child function used to hold the body of OMP_TASK GS. */
3833 gimple_omp_task_child_fn (const_gimple gs)
3835 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3836 return gs->gimple_omp_parallel.child_fn;
3839 /* Return a pointer to the child function used to hold the body of
3842 static inline tree *
3843 gimple_omp_task_child_fn_ptr (gimple gs)
3845 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3846 return &gs->gimple_omp_parallel.child_fn;
3850 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3853 gimple_omp_task_set_child_fn (gimple gs, tree child_fn)
3855 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3856 gs->gimple_omp_parallel.child_fn = child_fn;
3860 /* Return the artificial argument used to send variables and values
3861 from the parent to the children threads in OMP_TASK GS. */
3864 gimple_omp_task_data_arg (const_gimple gs)
3866 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3867 return gs->gimple_omp_parallel.data_arg;
3871 /* Return a pointer to the data argument for OMP_TASK GS. */
3873 static inline tree *
3874 gimple_omp_task_data_arg_ptr (gimple gs)
3876 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3877 return &gs->gimple_omp_parallel.data_arg;
3881 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3884 gimple_omp_task_set_data_arg (gimple gs, tree data_arg)
3886 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3887 gs->gimple_omp_parallel.data_arg = data_arg;
3891 /* Return the clauses associated with OMP_TASK GS. */
3894 gimple_omp_taskreg_clauses (const_gimple gs)
3896 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3897 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3898 return gs->gimple_omp_parallel.clauses;
3902 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3904 static inline tree *
3905 gimple_omp_taskreg_clauses_ptr (gimple gs)
3907 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3908 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3909 return &gs->gimple_omp_parallel.clauses;
3913 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3917 gimple_omp_taskreg_set_clauses (gimple gs, tree clauses)
3919 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3920 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3921 gs->gimple_omp_parallel.clauses = clauses;
3925 /* Return the child function used to hold the body of OMP_TASK GS. */
3928 gimple_omp_taskreg_child_fn (const_gimple gs)
3930 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3931 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3932 return gs->gimple_omp_parallel.child_fn;
3935 /* Return a pointer to the child function used to hold the body of
3938 static inline tree *
3939 gimple_omp_taskreg_child_fn_ptr (gimple gs)
3941 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3942 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3943 return &gs->gimple_omp_parallel.child_fn;
3947 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3950 gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn)
3952 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3953 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3954 gs->gimple_omp_parallel.child_fn = child_fn;
3958 /* Return the artificial argument used to send variables and values
3959 from the parent to the children threads in OMP_TASK GS. */
3962 gimple_omp_taskreg_data_arg (const_gimple gs)
3964 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3965 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3966 return gs->gimple_omp_parallel.data_arg;
3970 /* Return a pointer to the data argument for OMP_TASK GS. */
3972 static inline tree *
3973 gimple_omp_taskreg_data_arg_ptr (gimple gs)
3975 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3976 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3977 return &gs->gimple_omp_parallel.data_arg;
3981 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3984 gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg)
3986 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3987 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3988 gs->gimple_omp_parallel.data_arg = data_arg;
3992 /* Return the copy function used to hold the body of OMP_TASK GS. */
3995 gimple_omp_task_copy_fn (const_gimple gs)
3997 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3998 return gs->gimple_omp_task.copy_fn;
4001 /* Return a pointer to the copy function used to hold the body of
4004 static inline tree *
4005 gimple_omp_task_copy_fn_ptr (gimple gs)
4007 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4008 return &gs->gimple_omp_task.copy_fn;
4012 /* Set CHILD_FN to be the copy function for OMP_TASK GS. */
4015 gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn)
4017 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4018 gs->gimple_omp_task.copy_fn = copy_fn;
4022 /* Return size of the data block in bytes in OMP_TASK GS. */
4025 gimple_omp_task_arg_size (const_gimple gs)
4027 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4028 return gs->gimple_omp_task.arg_size;
4032 /* Return a pointer to the data block size for OMP_TASK GS. */
4034 static inline tree *
4035 gimple_omp_task_arg_size_ptr (gimple gs)
4037 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4038 return &gs->gimple_omp_task.arg_size;
4042 /* Set ARG_SIZE to be the data block size for OMP_TASK GS. */
4045 gimple_omp_task_set_arg_size (gimple gs, tree arg_size)
4047 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4048 gs->gimple_omp_task.arg_size = arg_size;
4052 /* Return align of the data block in bytes in OMP_TASK GS. */
4055 gimple_omp_task_arg_align (const_gimple gs)
4057 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4058 return gs->gimple_omp_task.arg_align;
4062 /* Return a pointer to the data block align for OMP_TASK GS. */
4064 static inline tree *
4065 gimple_omp_task_arg_align_ptr (gimple gs)
4067 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4068 return &gs->gimple_omp_task.arg_align;
4072 /* Set ARG_SIZE to be the data block align for OMP_TASK GS. */
4075 gimple_omp_task_set_arg_align (gimple gs, tree arg_align)
4077 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4078 gs->gimple_omp_task.arg_align = arg_align;
4082 /* Return the clauses associated with OMP_SINGLE GS. */
4085 gimple_omp_single_clauses (const_gimple gs)
4087 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4088 return gs->gimple_omp_single.clauses;
4092 /* Return a pointer to the clauses associated with OMP_SINGLE GS. */
4094 static inline tree *
4095 gimple_omp_single_clauses_ptr (gimple gs)
4097 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4098 return &gs->gimple_omp_single.clauses;
4102 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */
4105 gimple_omp_single_set_clauses (gimple gs, tree clauses)
4107 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4108 gs->gimple_omp_single.clauses = clauses;
4112 /* Return the clauses associated with OMP_SECTIONS GS. */
4115 gimple_omp_sections_clauses (const_gimple gs)
4117 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4118 return gs->gimple_omp_sections.clauses;
4122 /* Return a pointer to the clauses associated with OMP_SECTIONS GS. */
4124 static inline tree *
4125 gimple_omp_sections_clauses_ptr (gimple gs)
4127 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4128 return &gs->gimple_omp_sections.clauses;
4132 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS
4136 gimple_omp_sections_set_clauses (gimple gs, tree clauses)
4138 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4139 gs->gimple_omp_sections.clauses = clauses;
4143 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS
4147 gimple_omp_sections_control (const_gimple gs)
4149 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4150 return gs->gimple_omp_sections.control;
4154 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS
4157 static inline tree *
4158 gimple_omp_sections_control_ptr (gimple gs)
4160 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4161 return &gs->gimple_omp_sections.control;
4165 /* Set CONTROL to be the set of clauses associated with the
4166 GIMPLE_OMP_SECTIONS in GS. */
4169 gimple_omp_sections_set_control (gimple gs, tree control)
4171 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4172 gs->gimple_omp_sections.control = control;
4176 /* Set COND to be the condition code for OMP_FOR GS. */
4179 gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond)
4181 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4182 gcc_gimple_checking_assert (TREE_CODE_CLASS (cond) == tcc_comparison
4183 && i < gs->gimple_omp_for.collapse);
4184 gs->gimple_omp_for.iter[i].cond = cond;
4188 /* Return the condition code associated with OMP_FOR GS. */
4190 static inline enum tree_code
4191 gimple_omp_for_cond (const_gimple gs, size_t i)
4193 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4194 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
4195 return gs->gimple_omp_for.iter[i].cond;
4199 /* Set the value being stored in an atomic store. */
4202 gimple_omp_atomic_store_set_val (gimple g, tree val)
4204 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4205 g->gimple_omp_atomic_store.val = val;
4209 /* Return the value being stored in an atomic store. */
4212 gimple_omp_atomic_store_val (const_gimple g)
4214 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4215 return g->gimple_omp_atomic_store.val;
4219 /* Return a pointer to the value being stored in an atomic store. */
4221 static inline tree *
4222 gimple_omp_atomic_store_val_ptr (gimple g)
4224 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4225 return &g->gimple_omp_atomic_store.val;
4229 /* Set the LHS of an atomic load. */
4232 gimple_omp_atomic_load_set_lhs (gimple g, tree lhs)
4234 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4235 g->gimple_omp_atomic_load.lhs = lhs;
4239 /* Get the LHS of an atomic load. */
4242 gimple_omp_atomic_load_lhs (const_gimple g)
4244 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4245 return g->gimple_omp_atomic_load.lhs;
4249 /* Return a pointer to the LHS of an atomic load. */
4251 static inline tree *
4252 gimple_omp_atomic_load_lhs_ptr (gimple g)
4254 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4255 return &g->gimple_omp_atomic_load.lhs;
4259 /* Set the RHS of an atomic load. */
4262 gimple_omp_atomic_load_set_rhs (gimple g, tree rhs)
4264 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4265 g->gimple_omp_atomic_load.rhs = rhs;
4269 /* Get the RHS of an atomic load. */
4272 gimple_omp_atomic_load_rhs (const_gimple g)
4274 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4275 return g->gimple_omp_atomic_load.rhs;
4279 /* Return a pointer to the RHS of an atomic load. */
4281 static inline tree *
4282 gimple_omp_atomic_load_rhs_ptr (gimple g)
4284 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4285 return &g->gimple_omp_atomic_load.rhs;
4289 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4292 gimple_omp_continue_control_def (const_gimple g)
4294 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4295 return g->gimple_omp_continue.control_def;
4298 /* The same as above, but return the address. */
4300 static inline tree *
4301 gimple_omp_continue_control_def_ptr (gimple g)
4303 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4304 return &g->gimple_omp_continue.control_def;
4307 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4310 gimple_omp_continue_set_control_def (gimple g, tree def)
4312 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4313 g->gimple_omp_continue.control_def = def;
4317 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4320 gimple_omp_continue_control_use (const_gimple g)
4322 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4323 return g->gimple_omp_continue.control_use;
4327 /* The same as above, but return the address. */
4329 static inline tree *
4330 gimple_omp_continue_control_use_ptr (gimple g)
4332 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4333 return &g->gimple_omp_continue.control_use;
4337 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4340 gimple_omp_continue_set_control_use (gimple g, tree use)
4342 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4343 g->gimple_omp_continue.control_use = use;
4347 /* Return a pointer to the return value for GIMPLE_RETURN GS. */
4349 static inline tree *
4350 gimple_return_retval_ptr (const_gimple gs)
4352 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4353 return gimple_op_ptr (gs, 0);
4356 /* Return the return value for GIMPLE_RETURN GS. */
4359 gimple_return_retval (const_gimple gs)
4361 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4362 return gimple_op (gs, 0);
4366 /* Set RETVAL to be the return value for GIMPLE_RETURN GS. */
4369 gimple_return_set_retval (gimple gs, tree retval)
4371 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4372 gimple_set_op (gs, 0, retval);
4376 /* Returns true when the gimple statment STMT is any of the OpenMP types. */
4378 #define CASE_GIMPLE_OMP \
4379 case GIMPLE_OMP_PARALLEL: \
4380 case GIMPLE_OMP_TASK: \
4381 case GIMPLE_OMP_FOR: \
4382 case GIMPLE_OMP_SECTIONS: \
4383 case GIMPLE_OMP_SECTIONS_SWITCH: \
4384 case GIMPLE_OMP_SINGLE: \
4385 case GIMPLE_OMP_SECTION: \
4386 case GIMPLE_OMP_MASTER: \
4387 case GIMPLE_OMP_ORDERED: \
4388 case GIMPLE_OMP_CRITICAL: \
4389 case GIMPLE_OMP_RETURN: \
4390 case GIMPLE_OMP_ATOMIC_LOAD: \
4391 case GIMPLE_OMP_ATOMIC_STORE: \
4392 case GIMPLE_OMP_CONTINUE
4395 is_gimple_omp (const_gimple stmt)
4397 switch (gimple_code (stmt))
4407 /* Returns TRUE if statement G is a GIMPLE_NOP. */
4410 gimple_nop_p (const_gimple g)
4412 return gimple_code (g) == GIMPLE_NOP;
4416 /* Return true if GS is a GIMPLE_RESX. */
4419 is_gimple_resx (const_gimple gs)
4421 return gimple_code (gs) == GIMPLE_RESX;
4424 /* Return the predictor of GIMPLE_PREDICT statement GS. */
4426 static inline enum br_predictor
4427 gimple_predict_predictor (gimple gs)
4429 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4430 return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN);
4434 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */
4437 gimple_predict_set_predictor (gimple gs, enum br_predictor predictor)
4439 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4440 gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN)
4441 | (unsigned) predictor;
4445 /* Return the outcome of GIMPLE_PREDICT statement GS. */
4447 static inline enum prediction
4448 gimple_predict_outcome (gimple gs)
4450 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4451 return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN;
4455 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */
4458 gimple_predict_set_outcome (gimple gs, enum prediction outcome)
4460 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4461 if (outcome == TAKEN)
4462 gs->gsbase.subcode |= GF_PREDICT_TAKEN;
4464 gs->gsbase.subcode &= ~GF_PREDICT_TAKEN;
4468 /* Return the type of the main expression computed by STMT. Return
4469 void_type_node if the statement computes nothing. */
4472 gimple_expr_type (const_gimple stmt)
4474 enum gimple_code code = gimple_code (stmt);
4476 if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL)
4479 /* In general we want to pass out a type that can be substituted
4480 for both the RHS and the LHS types if there is a possibly
4481 useless conversion involved. That means returning the
4482 original RHS type as far as we can reconstruct it. */
4483 if (code == GIMPLE_CALL)
4484 type = gimple_call_return_type (stmt);
4486 switch (gimple_assign_rhs_code (stmt))
4488 case POINTER_PLUS_EXPR:
4489 type = TREE_TYPE (gimple_assign_rhs1 (stmt));
4493 /* As fallback use the type of the LHS. */
4494 type = TREE_TYPE (gimple_get_lhs (stmt));
4499 else if (code == GIMPLE_COND)
4500 return boolean_type_node;
4502 return void_type_node;
4506 /* Return a new iterator pointing to GIMPLE_SEQ's first statement. */
4508 static inline gimple_stmt_iterator
4509 gsi_start (gimple_seq seq)
4511 gimple_stmt_iterator i;
4513 i.ptr = gimple_seq_first (seq);
4515 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4521 /* Return a new iterator pointing to the first statement in basic block BB. */
4523 static inline gimple_stmt_iterator
4524 gsi_start_bb (basic_block bb)
4526 gimple_stmt_iterator i;
4530 i.ptr = gimple_seq_first (seq);
4538 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */
4540 static inline gimple_stmt_iterator
4541 gsi_last (gimple_seq seq)
4543 gimple_stmt_iterator i;
4545 i.ptr = gimple_seq_last (seq);
4547 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4553 /* Return a new iterator pointing to the last statement in basic block BB. */
4555 static inline gimple_stmt_iterator
4556 gsi_last_bb (basic_block bb)
4558 gimple_stmt_iterator i;
4562 i.ptr = gimple_seq_last (seq);
4570 /* Return true if I is at the end of its sequence. */
4573 gsi_end_p (gimple_stmt_iterator i)
4575 return i.ptr == NULL;
4579 /* Return true if I is one statement before the end of its sequence. */
4582 gsi_one_before_end_p (gimple_stmt_iterator i)
4584 return i.ptr != NULL && i.ptr->next == NULL;
4588 /* Advance the iterator to the next gimple statement. */
4591 gsi_next (gimple_stmt_iterator *i)
4593 i->ptr = i->ptr->next;
4596 /* Advance the iterator to the previous gimple statement. */
4599 gsi_prev (gimple_stmt_iterator *i)
4601 i->ptr = i->ptr->prev;
4604 /* Return the current stmt. */
4606 static inline gimple
4607 gsi_stmt (gimple_stmt_iterator i)
4612 /* Return a block statement iterator that points to the first non-label
4613 statement in block BB. */
4615 static inline gimple_stmt_iterator
4616 gsi_after_labels (basic_block bb)
4618 gimple_stmt_iterator gsi = gsi_start_bb (bb);
4620 while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL)
4626 /* Advance the iterator to the next non-debug gimple statement. */
4629 gsi_next_nondebug (gimple_stmt_iterator *i)
4635 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4638 /* Advance the iterator to the next non-debug gimple statement. */
4641 gsi_prev_nondebug (gimple_stmt_iterator *i)
4647 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4650 /* Return a new iterator pointing to the first non-debug statement in
4653 static inline gimple_stmt_iterator
4654 gsi_start_nondebug_bb (basic_block bb)
4656 gimple_stmt_iterator i = gsi_start_bb (bb);
4658 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
4659 gsi_next_nondebug (&i);
4664 /* Return a new iterator pointing to the last non-debug statement in
4667 static inline gimple_stmt_iterator
4668 gsi_last_nondebug_bb (basic_block bb)
4670 gimple_stmt_iterator i = gsi_last_bb (bb);
4672 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
4673 gsi_prev_nondebug (&i);
4678 /* Return a pointer to the current stmt.
4680 NOTE: You may want to use gsi_replace on the iterator itself,
4681 as this performs additional bookkeeping that will not be done
4682 if you simply assign through a pointer returned by gsi_stmt_ptr. */
4684 static inline gimple *
4685 gsi_stmt_ptr (gimple_stmt_iterator *i)
4687 return &i->ptr->stmt;
4691 /* Return the basic block associated with this iterator. */
4693 static inline basic_block
4694 gsi_bb (gimple_stmt_iterator i)
4700 /* Return the sequence associated with this iterator. */
4702 static inline gimple_seq
4703 gsi_seq (gimple_stmt_iterator i)
4709 enum gsi_iterator_update
4711 GSI_NEW_STMT, /* Only valid when single statement is added, move
4713 GSI_SAME_STMT, /* Leave the iterator at the same statement. */
4714 GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable
4715 for linking other statements in the same
4719 /* In gimple-iterator.c */
4720 gimple_stmt_iterator gsi_start_phis (basic_block);
4721 gimple_seq gsi_split_seq_after (gimple_stmt_iterator);
4722 gimple_seq gsi_split_seq_before (gimple_stmt_iterator *);
4723 void gsi_replace (gimple_stmt_iterator *, gimple, bool);
4724 void gsi_insert_before (gimple_stmt_iterator *, gimple,
4725 enum gsi_iterator_update);
4726 void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple,
4727 enum gsi_iterator_update);
4728 void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq,
4729 enum gsi_iterator_update);
4730 void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq,
4731 enum gsi_iterator_update);
4732 void gsi_insert_after (gimple_stmt_iterator *, gimple,
4733 enum gsi_iterator_update);
4734 void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple,
4735 enum gsi_iterator_update);
4736 void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq,
4737 enum gsi_iterator_update);
4738 void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq,
4739 enum gsi_iterator_update);
4740 void gsi_remove (gimple_stmt_iterator *, bool);
4741 gimple_stmt_iterator gsi_for_stmt (gimple);
4742 void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *);
4743 void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *);
4744 void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *);
4745 void gsi_insert_on_edge (edge, gimple);
4746 void gsi_insert_seq_on_edge (edge, gimple_seq);
4747 basic_block gsi_insert_on_edge_immediate (edge, gimple);
4748 basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq);
4749 void gsi_commit_one_edge_insert (edge, basic_block *);
4750 void gsi_commit_edge_inserts (void);
4751 gimple gimple_call_copy_skip_args (gimple, bitmap);
4754 /* Convenience routines to walk all statements of a gimple function.
4755 Note that this is useful exclusively before the code is converted
4756 into SSA form. Once the program is in SSA form, the standard
4757 operand interface should be used to analyze/modify statements. */
4758 struct walk_stmt_info
4760 /* Points to the current statement being walked. */
4761 gimple_stmt_iterator gsi;
4763 /* Additional data that the callback functions may want to carry
4764 through the recursion. */
4767 /* Pointer map used to mark visited tree nodes when calling
4768 walk_tree on each operand. If set to NULL, duplicate tree nodes
4769 will be visited more than once. */
4770 struct pointer_set_t *pset;
4772 /* Indicates whether the operand being examined may be replaced
4773 with something that matches is_gimple_val (if true) or something
4774 slightly more complicated (if false). "Something" technically
4775 means the common subset of is_gimple_lvalue and is_gimple_rhs,
4776 but we never try to form anything more complicated than that, so
4777 we don't bother checking.
4779 Also note that CALLBACK should update this flag while walking the
4780 sub-expressions of a statement. For instance, when walking the
4781 statement 'foo (&var)', the flag VAL_ONLY will initially be set
4782 to true, however, when walking &var, the operand of that
4783 ADDR_EXPR does not need to be a GIMPLE value. */
4786 /* True if we are currently walking the LHS of an assignment. */
4789 /* Optional. Set to true by the callback functions if they made any
4793 /* True if we're interested in location information. */
4794 bool want_locations;
4796 /* Operand returned by the callbacks. This is set when calling
4797 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback
4798 returns non-NULL, this field will contain the tree returned by
4799 the last callback. */
4800 tree callback_result;
4803 /* Callback for walk_gimple_stmt. Called for every statement found
4804 during traversal. The first argument points to the statement to
4805 walk. The second argument is a flag that the callback sets to
4806 'true' if it the callback handled all the operands and
4807 sub-statements of the statement (the default value of this flag is
4808 'false'). The third argument is an anonymous pointer to data
4809 to be used by the callback. */
4810 typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *,
4811 struct walk_stmt_info *);
4813 gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn,
4814 struct walk_stmt_info *);
4815 tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn,
4816 struct walk_stmt_info *);
4817 tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *);
4819 #ifdef GATHER_STATISTICS
4820 /* Enum and arrays used for allocation stats. Keep in sync with
4821 gimple.c:gimple_alloc_kind_names. */
4822 enum gimple_alloc_kind
4824 gimple_alloc_kind_assign, /* Assignments. */
4825 gimple_alloc_kind_phi, /* PHI nodes. */
4826 gimple_alloc_kind_cond, /* Conditionals. */
4827 gimple_alloc_kind_seq, /* Sequences. */
4828 gimple_alloc_kind_rest, /* Everything else. */
4829 gimple_alloc_kind_all
4832 extern int gimple_alloc_counts[];
4833 extern int gimple_alloc_sizes[];
4835 /* Return the allocation kind for a given stmt CODE. */
4836 static inline enum gimple_alloc_kind
4837 gimple_alloc_kind (enum gimple_code code)
4842 return gimple_alloc_kind_assign;
4844 return gimple_alloc_kind_phi;
4846 return gimple_alloc_kind_cond;
4848 return gimple_alloc_kind_rest;
4851 #endif /* GATHER_STATISTICS */
4853 extern void dump_gimple_statistics (void);
4855 /* In gimple-fold.c. */
4856 void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree);
4857 tree gimple_fold_builtin (gimple);
4858 bool fold_stmt (gimple_stmt_iterator *);
4859 bool fold_stmt_inplace (gimple);
4860 tree maybe_fold_offset_to_reference (location_t, tree, tree, tree);
4861 tree maybe_fold_offset_to_address (location_t, tree, tree, tree);
4862 tree maybe_fold_stmt_addition (location_t, tree, tree, tree);
4863 tree get_symbol_constant_value (tree);
4864 bool may_propagate_address_into_dereference (tree, tree);
4865 extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree,
4866 enum tree_code, tree, tree);
4867 extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree,
4868 enum tree_code, tree, tree);
4870 #endif /* GCC_GIMPLE_H */