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"
29 #include "hard-reg-set.h"
30 #include "basic-block.h"
31 #include "tree-ssa-operands.h"
32 #include "tree-ssa-alias.h"
35 DEF_VEC_ALLOC_P(gimple,heap);
36 DEF_VEC_ALLOC_P(gimple,gc);
38 typedef gimple *gimple_p;
40 DEF_VEC_ALLOC_P(gimple_p,heap);
42 DEF_VEC_P(gimple_seq);
43 DEF_VEC_ALLOC_P(gimple_seq,gc);
44 DEF_VEC_ALLOC_P(gimple_seq,heap);
46 /* For each block, the PHI nodes that need to be rewritten are stored into
48 typedef VEC(gimple, heap) *gimple_vec;
49 DEF_VEC_P (gimple_vec);
50 DEF_VEC_ALLOC_P (gimple_vec, heap);
53 #define DEFGSCODE(SYM, STRING, STRUCT) SYM,
56 LAST_AND_UNUSED_GIMPLE_CODE
59 extern const char *const gimple_code_name[];
60 extern const unsigned char gimple_rhs_class_table[];
62 /* Error out if a gimple tuple is addressed incorrectly. */
63 #if defined ENABLE_GIMPLE_CHECKING
64 extern void gimple_check_failed (const_gimple, const char *, int, \
65 const char *, enum gimple_code, \
66 enum tree_code) ATTRIBUTE_NORETURN;
68 #define GIMPLE_CHECK(GS, CODE) \
70 const_gimple __gs = (GS); \
71 if (gimple_code (__gs) != (CODE)) \
72 gimple_check_failed (__gs, __FILE__, __LINE__, __FUNCTION__, \
73 (CODE), ERROR_MARK); \
75 #else /* not ENABLE_GIMPLE_CHECKING */
76 #define GIMPLE_CHECK(GS, CODE) (void)0
79 /* Class of GIMPLE expressions suitable for the RHS of assignments. See
80 get_gimple_rhs_class. */
83 GIMPLE_INVALID_RHS, /* The expression cannot be used on the RHS. */
84 GIMPLE_BINARY_RHS, /* The expression is a binary operation. */
85 GIMPLE_UNARY_RHS, /* The expression is a unary operation. */
86 GIMPLE_SINGLE_RHS /* The expression is a single object (an SSA
87 name, a _DECL, a _REF, etc. */
90 /* Specific flags for individual GIMPLE statements. These flags are
91 always stored in gimple_statement_base.subcode and they may only be
92 defined for statement codes that do not use sub-codes.
94 Values for the masks can overlap as long as the overlapping values
95 are never used in the same statement class.
97 The maximum mask value that can be defined is 1 << 15 (i.e., each
98 statement code can hold up to 16 bitflags).
100 Keep this list sorted. */
102 GF_ASM_INPUT = 1 << 0,
103 GF_ASM_VOLATILE = 1 << 1,
104 GF_CALL_CANNOT_INLINE = 1 << 0,
105 GF_CALL_FROM_THUNK = 1 << 1,
106 GF_CALL_RETURN_SLOT_OPT = 1 << 2,
107 GF_CALL_TAILCALL = 1 << 3,
108 GF_CALL_VA_ARG_PACK = 1 << 4,
109 GF_OMP_PARALLEL_COMBINED = 1 << 0,
111 /* True on an GIMPLE_OMP_RETURN statement if the return does not require
112 a thread synchronization via some sort of barrier. The exact barrier
113 that would otherwise be emitted is dependent on the OMP statement with
114 which this return is associated. */
115 GF_OMP_RETURN_NOWAIT = 1 << 0,
117 GF_OMP_SECTION_LAST = 1 << 0,
118 GF_PREDICT_TAKEN = 1 << 15
121 /* Currently, there's only one type of gimple debug stmt. Others are
122 envisioned, for example, to enable the generation of is_stmt notes
123 in line number information, to mark sequence points, etc. This
124 subcode is to be used to tell them apart. */
125 enum gimple_debug_subcode {
126 GIMPLE_DEBUG_BIND = 0
129 /* Masks for selecting a pass local flag (PLF) to work on. These
130 masks are used by gimple_set_plf and gimple_plf. */
136 /* A node in a gimple_seq_d. */
137 struct GTY((chain_next ("%h.next"), chain_prev ("%h.prev"))) gimple_seq_node_d {
139 struct gimple_seq_node_d *prev;
140 struct gimple_seq_node_d *next;
143 /* A double-linked sequence of gimple statements. */
144 struct GTY ((chain_next ("%h.next_free"))) gimple_seq_d {
145 /* First and last statements in the sequence. */
146 gimple_seq_node first;
147 gimple_seq_node last;
149 /* Sequences are created/destroyed frequently. To minimize
150 allocation activity, deallocated sequences are kept in a pool of
151 available sequences. This is the pointer to the next free
152 sequence in the pool. */
153 gimple_seq next_free;
157 /* Return the first node in GIMPLE sequence S. */
159 static inline gimple_seq_node
160 gimple_seq_first (const_gimple_seq s)
162 return s ? s->first : NULL;
166 /* Return the first statement in GIMPLE sequence S. */
169 gimple_seq_first_stmt (const_gimple_seq s)
171 gimple_seq_node n = gimple_seq_first (s);
172 return (n) ? n->stmt : NULL;
176 /* Return the last node in GIMPLE sequence S. */
178 static inline gimple_seq_node
179 gimple_seq_last (const_gimple_seq s)
181 return s ? s->last : NULL;
185 /* Return the last statement in GIMPLE sequence S. */
188 gimple_seq_last_stmt (const_gimple_seq s)
190 gimple_seq_node n = gimple_seq_last (s);
191 return (n) ? n->stmt : NULL;
195 /* Set the last node in GIMPLE sequence S to LAST. */
198 gimple_seq_set_last (gimple_seq s, gimple_seq_node last)
204 /* Set the first node in GIMPLE sequence S to FIRST. */
207 gimple_seq_set_first (gimple_seq s, gimple_seq_node first)
213 /* Return true if GIMPLE sequence S is empty. */
216 gimple_seq_empty_p (const_gimple_seq s)
218 return s == NULL || s->first == NULL;
222 void gimple_seq_add_stmt (gimple_seq *, gimple);
224 /* Allocate a new sequence and initialize its first element with STMT. */
226 static inline gimple_seq
227 gimple_seq_alloc_with_stmt (gimple stmt)
229 gimple_seq seq = NULL;
230 gimple_seq_add_stmt (&seq, stmt);
235 /* Returns the sequence of statements in BB. */
237 static inline gimple_seq
238 bb_seq (const_basic_block bb)
240 return (!(bb->flags & BB_RTL) && bb->il.gimple) ? bb->il.gimple->seq : NULL;
244 /* Sets the sequence of statements in BB to SEQ. */
247 set_bb_seq (basic_block bb, gimple_seq seq)
249 gcc_assert (!(bb->flags & BB_RTL));
250 bb->il.gimple->seq = seq;
253 /* Iterator object for GIMPLE statement sequences. */
257 /* Sequence node holding the current statement. */
260 /* Sequence and basic block holding the statement. These fields
261 are necessary to handle edge cases such as when statement is
262 added to an empty basic block or when the last statement of a
263 block/sequence is removed. */
266 } gimple_stmt_iterator;
269 /* Data structure definitions for GIMPLE tuples. NOTE: word markers
270 are for 64 bit hosts. */
272 struct GTY(()) gimple_statement_base {
274 Main identifying code for a tuple. */
275 ENUM_BITFIELD(gimple_code) code : 8;
277 /* Nonzero if a warning should not be emitted on this tuple. */
278 unsigned int no_warning : 1;
280 /* Nonzero if this tuple has been visited. Passes are responsible
281 for clearing this bit before using it. */
282 unsigned int visited : 1;
284 /* Nonzero if this tuple represents a non-temporal move. */
285 unsigned int nontemporal_move : 1;
287 /* Pass local flags. These flags are free for any pass to use as
288 they see fit. Passes should not assume that these flags contain
289 any useful value when the pass starts. Any initial state that
290 the pass requires should be set on entry to the pass. See
291 gimple_set_plf and gimple_plf for usage. */
292 unsigned int plf : 2;
294 /* Nonzero if this statement has been modified and needs to have its
295 operands rescanned. */
296 unsigned modified : 1;
298 /* Nonzero if this statement contains volatile operands. */
299 unsigned has_volatile_ops : 1;
301 /* Padding to get subcode to 16 bit alignment. */
304 /* The SUBCODE field can be used for tuple-specific flags for tuples
305 that do not require subcodes. Note that SUBCODE should be at
306 least as wide as tree codes, as several tuples store tree codes
308 unsigned int subcode : 16;
310 /* UID of this statement. This is used by passes that want to
311 assign IDs to statements. It must be assigned and used by each
312 pass. By default it should be assumed to contain garbage. */
316 Locus information for debug info. */
319 /* Number of operands in this tuple. */
323 Basic block holding this statement. */
324 struct basic_block_def *bb;
327 Lexical block holding this statement. */
332 /* Base structure for tuples with operands. */
334 struct GTY(()) gimple_statement_with_ops_base
337 struct gimple_statement_base gsbase;
340 SSA operand vectors. NOTE: It should be possible to
341 amalgamate these vectors with the operand vector OP. However,
342 the SSA operand vectors are organized differently and contain
343 more information (like immediate use chaining). */
344 struct def_optype_d GTY((skip (""))) *def_ops;
345 struct use_optype_d GTY((skip (""))) *use_ops;
349 /* Statements that take register operands. */
351 struct GTY(()) gimple_statement_with_ops
354 struct gimple_statement_with_ops_base opbase;
357 Operand vector. NOTE! This must always be the last field
358 of this structure. In particular, this means that this
359 structure cannot be embedded inside another one. */
360 tree GTY((length ("%h.opbase.gsbase.num_ops"))) op[1];
364 /* Base for statements that take both memory and register operands. */
366 struct GTY(()) gimple_statement_with_memory_ops_base
369 struct gimple_statement_with_ops_base opbase;
372 Virtual operands for this statement. The GC will pick them
373 up via the ssa_names array. */
374 tree GTY((skip (""))) vdef;
375 tree GTY((skip (""))) vuse;
379 /* Statements that take both memory and register operands. */
381 struct GTY(()) gimple_statement_with_memory_ops
384 struct gimple_statement_with_memory_ops_base membase;
387 Operand vector. NOTE! This must always be the last field
388 of this structure. In particular, this means that this
389 structure cannot be embedded inside another one. */
390 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
394 /* Call statements that take both memory and register operands. */
396 struct GTY(()) gimple_statement_call
399 struct gimple_statement_with_memory_ops_base membase;
402 struct pt_solution call_used;
403 struct pt_solution call_clobbered;
406 Operand vector. NOTE! This must always be the last field
407 of this structure. In particular, this means that this
408 structure cannot be embedded inside another one. */
409 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
413 /* OpenMP statements (#pragma omp). */
415 struct GTY(()) gimple_statement_omp {
417 struct gimple_statement_base gsbase;
426 struct GTY(()) gimple_statement_bind {
428 struct gimple_statement_base gsbase;
431 Variables declared in this scope. */
435 This is different than the BLOCK field in gimple_statement_base,
436 which is analogous to TREE_BLOCK (i.e., the lexical block holding
437 this statement). This field is the equivalent of BIND_EXPR_BLOCK
438 in tree land (i.e., the lexical scope defined by this bind). See
449 struct GTY(()) gimple_statement_catch {
451 struct gimple_statement_base gsbase;
461 /* GIMPLE_EH_FILTER */
463 struct GTY(()) gimple_statement_eh_filter {
465 struct gimple_statement_base gsbase;
477 /* GIMPLE_EH_MUST_NOT_THROW */
479 struct GTY(()) gimple_statement_eh_mnt {
481 struct gimple_statement_base gsbase;
483 /* [ WORD 5 ] Abort function decl. */
489 struct GTY(()) gimple_statement_phi {
491 struct gimple_statement_base gsbase;
501 struct phi_arg_d GTY ((length ("%h.nargs"))) args[1];
505 /* GIMPLE_RESX, GIMPLE_EH_DISPATCH */
507 struct GTY(()) gimple_statement_eh_ctrl
510 struct gimple_statement_base gsbase;
513 Exception region number. */
520 struct GTY(()) gimple_statement_try {
522 struct gimple_statement_base gsbase;
525 Expression to evaluate. */
529 Cleanup expression. */
533 /* Kind of GIMPLE_TRY statements. */
534 enum gimple_try_flags
537 GIMPLE_TRY_CATCH = 1 << 0,
540 GIMPLE_TRY_FINALLY = 1 << 1,
541 GIMPLE_TRY_KIND = GIMPLE_TRY_CATCH | GIMPLE_TRY_FINALLY,
543 /* Analogous to TRY_CATCH_IS_CLEANUP. */
544 GIMPLE_TRY_CATCH_IS_CLEANUP = 1 << 2
547 /* GIMPLE_WITH_CLEANUP_EXPR */
549 struct GTY(()) gimple_statement_wce {
551 struct gimple_statement_base gsbase;
553 /* Subcode: CLEANUP_EH_ONLY. True if the cleanup should only be
554 executed if an exception is thrown, not on normal exit of its
555 scope. This flag is analogous to the CLEANUP_EH_ONLY flag
559 Cleanup expression. */
566 struct GTY(()) gimple_statement_asm
569 struct gimple_statement_with_memory_ops_base membase;
572 __asm__ statement. */
576 Number of inputs, outputs, clobbers, labels. */
583 Operand vector. NOTE! This must always be the last field
584 of this structure. In particular, this means that this
585 structure cannot be embedded inside another one. */
586 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
589 /* GIMPLE_OMP_CRITICAL */
591 struct GTY(()) gimple_statement_omp_critical {
593 struct gimple_statement_omp omp;
596 Critical section name. */
601 struct GTY(()) gimple_omp_for_iter {
602 /* Condition code. */
605 /* Index variable. */
620 struct GTY(()) gimple_statement_omp_for {
622 struct gimple_statement_omp omp;
628 Number of elements in iter array. */
632 struct gimple_omp_for_iter * GTY((length ("%h.collapse"))) iter;
635 Pre-body evaluated before the loop body begins. */
640 /* GIMPLE_OMP_PARALLEL */
642 struct GTY(()) gimple_statement_omp_parallel {
644 struct gimple_statement_omp omp;
651 Child function holding the body of the parallel region. */
655 Shared data argument. */
660 /* GIMPLE_OMP_TASK */
662 struct GTY(()) gimple_statement_omp_task {
664 struct gimple_statement_omp_parallel par;
667 Child function holding firstprivate initialization if needed. */
671 Size and alignment in bytes of the argument data block. */
677 /* GIMPLE_OMP_SECTION */
678 /* Uses struct gimple_statement_omp. */
681 /* GIMPLE_OMP_SECTIONS */
683 struct GTY(()) gimple_statement_omp_sections {
685 struct gimple_statement_omp omp;
691 The control variable used for deciding which of the sections to
696 /* GIMPLE_OMP_CONTINUE.
698 Note: This does not inherit from gimple_statement_omp, because we
699 do not need the body field. */
701 struct GTY(()) gimple_statement_omp_continue {
703 struct gimple_statement_base gsbase;
712 /* GIMPLE_OMP_SINGLE */
714 struct GTY(()) gimple_statement_omp_single {
716 struct gimple_statement_omp omp;
723 /* GIMPLE_OMP_ATOMIC_LOAD.
724 Note: This is based on gimple_statement_base, not g_s_omp, because g_s_omp
725 contains a sequence, which we don't need here. */
727 struct GTY(()) gimple_statement_omp_atomic_load {
729 struct gimple_statement_base gsbase;
735 /* GIMPLE_OMP_ATOMIC_STORE.
736 See note on GIMPLE_OMP_ATOMIC_LOAD. */
738 struct GTY(()) gimple_statement_omp_atomic_store {
740 struct gimple_statement_base gsbase;
746 #define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) SYM,
747 enum gimple_statement_structure_enum {
748 #include "gsstruct.def"
754 /* Define the overall contents of a gimple tuple. It may be any of the
755 structures declared above for various types of tuples. */
757 union GTY ((desc ("gimple_statement_structure (&%h)"))) gimple_statement_d {
758 struct gimple_statement_base GTY ((tag ("GSS_BASE"))) gsbase;
759 struct gimple_statement_with_ops GTY ((tag ("GSS_WITH_OPS"))) gsops;
760 struct gimple_statement_with_memory_ops_base GTY ((tag ("GSS_WITH_MEM_OPS_BASE"))) gsmembase;
761 struct gimple_statement_with_memory_ops GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem;
762 struct gimple_statement_call GTY ((tag ("GSS_CALL"))) gimple_call;
763 struct gimple_statement_omp GTY ((tag ("GSS_OMP"))) omp;
764 struct gimple_statement_bind GTY ((tag ("GSS_BIND"))) gimple_bind;
765 struct gimple_statement_catch GTY ((tag ("GSS_CATCH"))) gimple_catch;
766 struct gimple_statement_eh_filter GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter;
767 struct gimple_statement_eh_mnt GTY ((tag ("GSS_EH_MNT"))) gimple_eh_mnt;
768 struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi;
769 struct gimple_statement_eh_ctrl GTY ((tag ("GSS_EH_CTRL"))) gimple_eh_ctrl;
770 struct gimple_statement_try GTY ((tag ("GSS_TRY"))) gimple_try;
771 struct gimple_statement_wce GTY ((tag ("GSS_WCE"))) gimple_wce;
772 struct gimple_statement_asm GTY ((tag ("GSS_ASM"))) gimple_asm;
773 struct gimple_statement_omp_critical GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical;
774 struct gimple_statement_omp_for GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for;
775 struct gimple_statement_omp_parallel GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel;
776 struct gimple_statement_omp_task GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task;
777 struct gimple_statement_omp_sections GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections;
778 struct gimple_statement_omp_single GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single;
779 struct gimple_statement_omp_continue GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue;
780 struct gimple_statement_omp_atomic_load GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load;
781 struct gimple_statement_omp_atomic_store GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store;
786 /* Offset in bytes to the location of the operand vector.
787 Zero if there is no operand vector for this tuple structure. */
788 extern size_t const gimple_ops_offset_[];
790 /* Map GIMPLE codes to GSS codes. */
791 extern enum gimple_statement_structure_enum const gss_for_code_[];
793 /* This variable holds the currently expanded gimple statement for purposes
794 of comminucating the profile info to the builtin expanders. */
795 extern gimple currently_expanding_gimple_stmt;
797 gimple gimple_build_return (tree);
799 gimple gimple_build_assign_stat (tree, tree MEM_STAT_DECL);
800 #define gimple_build_assign(l,r) gimple_build_assign_stat (l, r MEM_STAT_INFO)
802 void extract_ops_from_tree (tree, enum tree_code *, tree *, tree *);
804 gimple gimple_build_assign_with_ops_stat (enum tree_code, tree, tree,
806 #define gimple_build_assign_with_ops(c,o1,o2,o3) \
807 gimple_build_assign_with_ops_stat (c, o1, o2, o3 MEM_STAT_INFO)
809 gimple gimple_build_debug_bind_stat (tree, tree, gimple MEM_STAT_DECL);
810 #define gimple_build_debug_bind(var,val,stmt) \
811 gimple_build_debug_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
813 gimple gimple_build_call_vec (tree, VEC(tree, heap) *);
814 gimple gimple_build_call (tree, unsigned, ...);
815 gimple gimple_build_call_from_tree (tree);
816 gimple gimplify_assign (tree, tree, gimple_seq *);
817 gimple gimple_build_cond (enum tree_code, tree, tree, tree, tree);
818 gimple gimple_build_label (tree label);
819 gimple gimple_build_goto (tree dest);
820 gimple gimple_build_nop (void);
821 gimple gimple_build_bind (tree, gimple_seq, tree);
822 gimple gimple_build_asm_vec (const char *, VEC(tree,gc) *, VEC(tree,gc) *,
823 VEC(tree,gc) *, VEC(tree,gc) *);
824 gimple gimple_build_catch (tree, gimple_seq);
825 gimple gimple_build_eh_filter (tree, gimple_seq);
826 gimple gimple_build_eh_must_not_throw (tree);
827 gimple gimple_build_try (gimple_seq, gimple_seq, enum gimple_try_flags);
828 gimple gimple_build_wce (gimple_seq);
829 gimple gimple_build_resx (int);
830 gimple gimple_build_eh_dispatch (int);
831 gimple gimple_build_switch_nlabels (unsigned, tree, tree);
832 gimple gimple_build_switch (unsigned, tree, tree, ...);
833 gimple gimple_build_switch_vec (tree, tree, VEC(tree,heap) *);
834 gimple gimple_build_omp_parallel (gimple_seq, tree, tree, tree);
835 gimple gimple_build_omp_task (gimple_seq, tree, tree, tree, tree, tree, tree);
836 gimple gimple_build_omp_for (gimple_seq, tree, size_t, gimple_seq);
837 gimple gimple_build_omp_critical (gimple_seq, tree);
838 gimple gimple_build_omp_section (gimple_seq);
839 gimple gimple_build_omp_continue (tree, tree);
840 gimple gimple_build_omp_master (gimple_seq);
841 gimple gimple_build_omp_return (bool);
842 gimple gimple_build_omp_ordered (gimple_seq);
843 gimple gimple_build_omp_sections (gimple_seq, tree);
844 gimple gimple_build_omp_sections_switch (void);
845 gimple gimple_build_omp_single (gimple_seq, tree);
846 gimple gimple_build_cdt (tree, tree);
847 gimple gimple_build_omp_atomic_load (tree, tree);
848 gimple gimple_build_omp_atomic_store (tree);
849 gimple gimple_build_predict (enum br_predictor, enum prediction);
850 enum gimple_statement_structure_enum gss_for_assign (enum tree_code);
851 void sort_case_labels (VEC(tree,heap) *);
852 void gimple_set_body (tree, gimple_seq);
853 gimple_seq gimple_body (tree);
854 bool gimple_has_body_p (tree);
855 gimple_seq gimple_seq_alloc (void);
856 void gimple_seq_free (gimple_seq);
857 void gimple_seq_add_seq (gimple_seq *, gimple_seq);
858 gimple_seq gimple_seq_copy (gimple_seq);
859 int gimple_call_flags (const_gimple);
860 int gimple_call_return_flags (const_gimple);
861 int gimple_call_arg_flags (const_gimple, unsigned);
862 void gimple_call_reset_alias_info (gimple);
863 bool gimple_assign_copy_p (gimple);
864 bool gimple_assign_ssa_name_copy_p (gimple);
865 bool gimple_assign_single_p (gimple);
866 bool gimple_assign_unary_nop_p (gimple);
867 void gimple_set_bb (gimple, struct basic_block_def *);
868 void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree);
869 void gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *, enum tree_code,
871 tree gimple_get_lhs (const_gimple);
872 void gimple_set_lhs (gimple, tree);
873 void gimple_replace_lhs (gimple, tree);
874 gimple gimple_copy (gimple);
875 bool is_gimple_operand (const_tree);
876 void gimple_set_modified (gimple, bool);
877 void gimple_cond_get_ops_from_tree (tree, enum tree_code *, tree *, tree *);
878 gimple gimple_build_cond_from_tree (tree, tree, tree);
879 void gimple_cond_set_condition_from_tree (gimple, tree);
880 bool gimple_has_side_effects (const_gimple);
881 bool gimple_rhs_has_side_effects (const_gimple);
882 bool gimple_could_trap_p (gimple);
883 bool gimple_assign_rhs_could_trap_p (gimple);
884 void gimple_regimplify_operands (gimple, gimple_stmt_iterator *);
885 bool empty_body_p (gimple_seq);
886 unsigned get_gimple_rhs_num_ops (enum tree_code);
887 #define gimple_alloc(c, n) gimple_alloc_stat (c, n MEM_STAT_INFO)
888 gimple gimple_alloc_stat (enum gimple_code, unsigned MEM_STAT_DECL);
889 const char *gimple_decl_printable_name (tree, int);
890 tree gimple_fold_obj_type_ref (tree, tree);
892 /* Returns true iff T is a valid GIMPLE statement. */
893 extern bool is_gimple_stmt (tree);
895 /* Returns true iff TYPE is a valid type for a scalar register variable. */
896 extern bool is_gimple_reg_type (tree);
897 /* Returns true iff T is a scalar register variable. */
898 extern bool is_gimple_reg (tree);
899 /* Returns true iff T is any sort of variable. */
900 extern bool is_gimple_variable (tree);
901 /* Returns true iff T is any sort of symbol. */
902 extern bool is_gimple_id (tree);
903 /* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */
904 extern bool is_gimple_min_lval (tree);
905 /* Returns true iff T is something whose address can be taken. */
906 extern bool is_gimple_addressable (tree);
907 /* Returns true iff T is any valid GIMPLE lvalue. */
908 extern bool is_gimple_lvalue (tree);
910 /* Returns true iff T is a GIMPLE address. */
911 bool is_gimple_address (const_tree);
912 /* Returns true iff T is a GIMPLE invariant address. */
913 bool is_gimple_invariant_address (const_tree);
914 /* Returns true iff T is a GIMPLE invariant address at interprocedural
916 bool is_gimple_ip_invariant_address (const_tree);
917 /* Returns true iff T is a valid GIMPLE constant. */
918 bool is_gimple_constant (const_tree);
919 /* Returns true iff T is a GIMPLE restricted function invariant. */
920 extern bool is_gimple_min_invariant (const_tree);
921 /* Returns true iff T is a GIMPLE restricted interprecodural invariant. */
922 extern bool is_gimple_ip_invariant (const_tree);
923 /* Returns true iff T is a GIMPLE rvalue. */
924 extern bool is_gimple_val (tree);
925 /* Returns true iff T is a GIMPLE asm statement input. */
926 extern bool is_gimple_asm_val (tree);
927 /* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a
928 GIMPLE temporary, a renamed user variable, or something else,
930 extern bool is_gimple_reg_rhs (tree);
931 extern bool is_gimple_mem_rhs (tree);
933 /* Returns true iff T is a valid if-statement condition. */
934 extern bool is_gimple_condexpr (tree);
936 /* Returns true iff T is a type conversion. */
937 extern bool is_gimple_cast (tree);
938 /* Returns true iff T is a variable that does not need to live in memory. */
939 extern bool is_gimple_non_addressable (tree t);
941 /* Returns true iff T is a valid call address expression. */
942 extern bool is_gimple_call_addr (tree);
943 /* If T makes a function call, returns the CALL_EXPR operand. */
944 extern tree get_call_expr_in (tree t);
946 extern void recalculate_side_effects (tree);
947 extern bool compare_field_offset (tree, tree);
948 extern tree gimple_register_type (tree);
949 extern void print_gimple_types_stats (void);
950 extern void free_gimple_type_tables (void);
951 extern tree gimple_unsigned_type (tree);
952 extern tree gimple_signed_type (tree);
953 extern alias_set_type gimple_get_alias_set (tree);
954 extern void count_uses_and_derefs (tree, gimple, unsigned *, unsigned *,
956 extern bool walk_stmt_load_store_addr_ops (gimple, void *,
957 bool (*)(gimple, tree, void *),
958 bool (*)(gimple, tree, void *),
959 bool (*)(gimple, tree, void *));
960 extern bool walk_stmt_load_store_ops (gimple, void *,
961 bool (*)(gimple, tree, void *),
962 bool (*)(gimple, tree, void *));
963 extern bool gimple_ior_addresses_taken (bitmap, gimple);
966 extern tree create_tmp_var_raw (tree, const char *);
967 extern tree create_tmp_var_name (const char *);
968 extern tree create_tmp_var (tree, const char *);
969 extern tree create_tmp_reg (tree, const char *);
970 extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *);
971 extern tree get_formal_tmp_var (tree, gimple_seq *);
972 extern void declare_vars (tree, gimple, bool);
973 extern void annotate_all_with_location (gimple_seq, location_t);
975 /* Validation of GIMPLE expressions. Note that these predicates only check
976 the basic form of the expression, they don't recurse to make sure that
977 underlying nodes are also of the right form. */
978 typedef bool (*gimple_predicate)(tree);
981 /* FIXME we should deduce this from the predicate. */
983 fb_none = 0, /* Do not generate a temporary. */
985 fb_rvalue = 1, /* Generate an rvalue to hold the result of a
986 gimplified expression. */
988 fb_lvalue = 2, /* Generate an lvalue to hold the result of a
989 gimplified expression. */
991 fb_mayfail = 4, /* Gimplification may fail. Error issued
993 fb_either= fb_rvalue | fb_lvalue
996 typedef int fallback_t;
998 enum gimplify_status {
999 GS_ERROR = -2, /* Something Bad Seen. */
1000 GS_UNHANDLED = -1, /* A langhook result for "I dunno". */
1001 GS_OK = 0, /* We did something, maybe more to do. */
1002 GS_ALL_DONE = 1 /* The expression is fully gimplified. */
1007 struct gimplify_ctx *prev_context;
1009 VEC(gimple,heap) *bind_expr_stack;
1011 gimple_seq conditional_cleanups;
1015 VEC(tree,heap) *case_labels;
1016 /* The formal temporary table. Should this be persistent? */
1022 bool allow_rhs_cond_expr;
1025 extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *,
1026 bool (*) (tree), fallback_t);
1027 extern void gimplify_type_sizes (tree, gimple_seq *);
1028 extern void gimplify_one_sizepos (tree *, gimple_seq *);
1029 extern bool gimplify_stmt (tree *, gimple_seq *);
1030 extern gimple gimplify_body (tree *, tree, bool);
1031 extern void push_gimplify_context (struct gimplify_ctx *);
1032 extern void pop_gimplify_context (gimple);
1033 extern void gimplify_and_add (tree, gimple_seq *);
1035 /* Miscellaneous helpers. */
1036 extern void gimple_add_tmp_var (tree);
1037 extern gimple gimple_current_bind_expr (void);
1038 extern VEC(gimple, heap) *gimple_bind_expr_stack (void);
1039 extern tree voidify_wrapper_expr (tree, tree);
1040 extern tree build_and_jump (tree *);
1041 extern tree alloc_stmt_list (void);
1042 extern void free_stmt_list (tree);
1043 extern tree force_labels_r (tree *, int *, void *);
1044 extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *,
1046 struct gimplify_omp_ctx;
1047 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree);
1048 extern tree gimple_boolify (tree);
1049 extern gimple_predicate rhs_predicate_for (tree);
1050 extern tree canonicalize_cond_expr_cond (tree);
1053 extern tree omp_reduction_init (tree, tree);
1055 /* In tree-nested.c. */
1056 extern void lower_nested_functions (tree);
1057 extern void insert_field_into_struct (tree, tree);
1059 /* In gimplify.c. */
1060 extern void gimplify_function_tree (tree);
1062 /* In cfgexpand.c. */
1063 extern tree gimple_assign_rhs_to_tree (gimple);
1066 extern bool validate_gimple_arglist (const_gimple, ...);
1069 extern bool tree_ssa_useless_type_conversion (tree);
1070 extern tree tree_ssa_strip_useless_type_conversions (tree);
1071 extern bool useless_type_conversion_p (tree, tree);
1072 extern bool types_compatible_p (tree, tree);
1074 /* Return the code for GIMPLE statement G. */
1076 static inline enum gimple_code
1077 gimple_code (const_gimple g)
1079 return g->gsbase.code;
1083 /* Return the GSS code used by a GIMPLE code. */
1085 static inline enum gimple_statement_structure_enum
1086 gss_for_code (enum gimple_code code)
1088 #ifdef ENABLE_CHECKING
1089 gcc_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE);
1091 return gss_for_code_[code];
1095 /* Return which GSS code is used by GS. */
1097 static inline enum gimple_statement_structure_enum
1098 gimple_statement_structure (gimple gs)
1100 return gss_for_code (gimple_code (gs));
1104 /* Return true if statement G has sub-statements. This is only true for
1105 High GIMPLE statements. */
1108 gimple_has_substatements (gimple g)
1110 switch (gimple_code (g))
1114 case GIMPLE_EH_FILTER:
1116 case GIMPLE_OMP_FOR:
1117 case GIMPLE_OMP_MASTER:
1118 case GIMPLE_OMP_ORDERED:
1119 case GIMPLE_OMP_SECTION:
1120 case GIMPLE_OMP_PARALLEL:
1121 case GIMPLE_OMP_TASK:
1122 case GIMPLE_OMP_SECTIONS:
1123 case GIMPLE_OMP_SINGLE:
1124 case GIMPLE_OMP_CRITICAL:
1125 case GIMPLE_WITH_CLEANUP_EXPR:
1134 /* Return the basic block holding statement G. */
1136 static inline struct basic_block_def *
1137 gimple_bb (const_gimple g)
1139 return g->gsbase.bb;
1143 /* Return the lexical scope block holding statement G. */
1146 gimple_block (const_gimple g)
1148 return g->gsbase.block;
1152 /* Set BLOCK to be the lexical scope block holding statement G. */
1155 gimple_set_block (gimple g, tree block)
1157 g->gsbase.block = block;
1161 /* Return location information for statement G. */
1163 static inline location_t
1164 gimple_location (const_gimple g)
1166 return g->gsbase.location;
1169 /* Return pointer to location information for statement G. */
1171 static inline const location_t *
1172 gimple_location_ptr (const_gimple g)
1174 return &g->gsbase.location;
1178 /* Set location information for statement G. */
1181 gimple_set_location (gimple g, location_t location)
1183 g->gsbase.location = location;
1187 /* Return true if G contains location information. */
1190 gimple_has_location (const_gimple g)
1192 return gimple_location (g) != UNKNOWN_LOCATION;
1196 /* Return the file name of the location of STMT. */
1198 static inline const char *
1199 gimple_filename (const_gimple stmt)
1201 return LOCATION_FILE (gimple_location (stmt));
1205 /* Return the line number of the location of STMT. */
1208 gimple_lineno (const_gimple stmt)
1210 return LOCATION_LINE (gimple_location (stmt));
1214 /* Determine whether SEQ is a singleton. */
1217 gimple_seq_singleton_p (gimple_seq seq)
1219 return ((gimple_seq_first (seq) != NULL)
1220 && (gimple_seq_first (seq) == gimple_seq_last (seq)));
1223 /* Return true if no warnings should be emitted for statement STMT. */
1226 gimple_no_warning_p (const_gimple stmt)
1228 return stmt->gsbase.no_warning;
1231 /* Set the no_warning flag of STMT to NO_WARNING. */
1234 gimple_set_no_warning (gimple stmt, bool no_warning)
1236 stmt->gsbase.no_warning = (unsigned) no_warning;
1239 /* Set the visited status on statement STMT to VISITED_P. */
1242 gimple_set_visited (gimple stmt, bool visited_p)
1244 stmt->gsbase.visited = (unsigned) visited_p;
1248 /* Return the visited status for statement STMT. */
1251 gimple_visited_p (gimple stmt)
1253 return stmt->gsbase.visited;
1257 /* Set pass local flag PLF on statement STMT to VAL_P. */
1260 gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p)
1263 stmt->gsbase.plf |= (unsigned int) plf;
1265 stmt->gsbase.plf &= ~((unsigned int) plf);
1269 /* Return the value of pass local flag PLF on statement STMT. */
1271 static inline unsigned int
1272 gimple_plf (gimple stmt, enum plf_mask plf)
1274 return stmt->gsbase.plf & ((unsigned int) plf);
1278 /* Set the UID of statement. */
1281 gimple_set_uid (gimple g, unsigned uid)
1283 g->gsbase.uid = uid;
1287 /* Return the UID of statement. */
1289 static inline unsigned
1290 gimple_uid (const_gimple g)
1292 return g->gsbase.uid;
1296 /* Return true if GIMPLE statement G has register or memory operands. */
1299 gimple_has_ops (const_gimple g)
1301 return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN;
1305 /* Return true if GIMPLE statement G has memory operands. */
1308 gimple_has_mem_ops (const_gimple g)
1310 return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN;
1314 /* Return the set of DEF operands for statement G. */
1316 static inline struct def_optype_d *
1317 gimple_def_ops (const_gimple g)
1319 if (!gimple_has_ops (g))
1321 return g->gsops.opbase.def_ops;
1325 /* Set DEF to be the set of DEF operands for statement G. */
1328 gimple_set_def_ops (gimple g, struct def_optype_d *def)
1330 gcc_assert (gimple_has_ops (g));
1331 g->gsops.opbase.def_ops = def;
1335 /* Return the set of USE operands for statement G. */
1337 static inline struct use_optype_d *
1338 gimple_use_ops (const_gimple g)
1340 if (!gimple_has_ops (g))
1342 return g->gsops.opbase.use_ops;
1346 /* Set USE to be the set of USE operands for statement G. */
1349 gimple_set_use_ops (gimple g, struct use_optype_d *use)
1351 gcc_assert (gimple_has_ops (g));
1352 g->gsops.opbase.use_ops = use;
1356 /* Return the set of VUSE operand for statement G. */
1358 static inline use_operand_p
1359 gimple_vuse_op (const_gimple g)
1361 struct use_optype_d *ops;
1362 if (!gimple_has_mem_ops (g))
1363 return NULL_USE_OPERAND_P;
1364 ops = g->gsops.opbase.use_ops;
1366 && USE_OP_PTR (ops)->use == &g->gsmembase.vuse)
1367 return USE_OP_PTR (ops);
1368 return NULL_USE_OPERAND_P;
1371 /* Return the set of VDEF operand for statement G. */
1373 static inline def_operand_p
1374 gimple_vdef_op (const_gimple g)
1376 struct def_optype_d *ops;
1377 if (!gimple_has_mem_ops (g))
1378 return NULL_DEF_OPERAND_P;
1379 ops = g->gsops.opbase.def_ops;
1381 && DEF_OP_PTR (ops) == &g->gsmembase.vdef)
1382 return DEF_OP_PTR (ops);
1383 return NULL_DEF_OPERAND_P;
1387 /* Return the single VUSE operand of the statement G. */
1390 gimple_vuse (const_gimple g)
1392 if (!gimple_has_mem_ops (g))
1394 return g->gsmembase.vuse;
1397 /* Return the single VDEF operand of the statement G. */
1400 gimple_vdef (const_gimple g)
1402 if (!gimple_has_mem_ops (g))
1404 return g->gsmembase.vdef;
1407 /* Return the single VUSE operand of the statement G. */
1409 static inline tree *
1410 gimple_vuse_ptr (gimple g)
1412 if (!gimple_has_mem_ops (g))
1414 return &g->gsmembase.vuse;
1417 /* Return the single VDEF operand of the statement G. */
1419 static inline tree *
1420 gimple_vdef_ptr (gimple g)
1422 if (!gimple_has_mem_ops (g))
1424 return &g->gsmembase.vdef;
1427 /* Set the single VUSE operand of the statement G. */
1430 gimple_set_vuse (gimple g, tree vuse)
1432 gcc_assert (gimple_has_mem_ops (g));
1433 g->gsmembase.vuse = vuse;
1436 /* Set the single VDEF operand of the statement G. */
1439 gimple_set_vdef (gimple g, tree vdef)
1441 gcc_assert (gimple_has_mem_ops (g));
1442 g->gsmembase.vdef = vdef;
1446 /* Return true if statement G has operands and the modified field has
1450 gimple_modified_p (const_gimple g)
1452 return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false;
1456 /* Return the tree code for the expression computed by STMT. This is
1457 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For
1458 GIMPLE_CALL, return CALL_EXPR as the expression code for
1459 consistency. This is useful when the caller needs to deal with the
1460 three kinds of computation that GIMPLE supports. */
1462 static inline enum tree_code
1463 gimple_expr_code (const_gimple stmt)
1465 enum gimple_code code = gimple_code (stmt);
1466 if (code == GIMPLE_ASSIGN || code == GIMPLE_COND)
1467 return (enum tree_code) stmt->gsbase.subcode;
1468 else if (code == GIMPLE_CALL)
1475 /* Mark statement S as modified, and update it. */
1478 update_stmt (gimple s)
1480 if (gimple_has_ops (s))
1482 gimple_set_modified (s, true);
1483 update_stmt_operands (s);
1487 /* Update statement S if it has been optimized. */
1490 update_stmt_if_modified (gimple s)
1492 if (gimple_modified_p (s))
1493 update_stmt_operands (s);
1496 /* Return true if statement STMT contains volatile operands. */
1499 gimple_has_volatile_ops (const_gimple stmt)
1501 if (gimple_has_mem_ops (stmt))
1502 return stmt->gsbase.has_volatile_ops;
1508 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */
1511 gimple_set_has_volatile_ops (gimple stmt, bool volatilep)
1513 if (gimple_has_mem_ops (stmt))
1514 stmt->gsbase.has_volatile_ops = (unsigned) volatilep;
1518 /* Return true if statement STMT may access memory. */
1521 gimple_references_memory_p (gimple stmt)
1523 return gimple_has_mem_ops (stmt) && gimple_vuse (stmt);
1527 /* Return the subcode for OMP statement S. */
1529 static inline unsigned
1530 gimple_omp_subcode (const_gimple s)
1532 gcc_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD
1533 && gimple_code (s) <= GIMPLE_OMP_SINGLE);
1534 return s->gsbase.subcode;
1537 /* Set the subcode for OMP statement S to SUBCODE. */
1540 gimple_omp_set_subcode (gimple s, unsigned int subcode)
1542 /* We only have 16 bits for the subcode. Assert that we are not
1544 gcc_assert (subcode < (1 << 16));
1545 s->gsbase.subcode = subcode;
1548 /* Set the nowait flag on OMP_RETURN statement S. */
1551 gimple_omp_return_set_nowait (gimple s)
1553 GIMPLE_CHECK (s, GIMPLE_OMP_RETURN);
1554 s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT;
1558 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT
1562 gimple_omp_return_nowait_p (const_gimple g)
1564 GIMPLE_CHECK (g, GIMPLE_OMP_RETURN);
1565 return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0;
1569 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST
1573 gimple_omp_section_last_p (const_gimple g)
1575 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1576 return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0;
1580 /* Set the GF_OMP_SECTION_LAST flag on G. */
1583 gimple_omp_section_set_last (gimple g)
1585 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1586 g->gsbase.subcode |= GF_OMP_SECTION_LAST;
1590 /* Return true if OMP parallel statement G has the
1591 GF_OMP_PARALLEL_COMBINED flag set. */
1594 gimple_omp_parallel_combined_p (const_gimple g)
1596 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1597 return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0;
1601 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean
1602 value of COMBINED_P. */
1605 gimple_omp_parallel_set_combined_p (gimple g, bool combined_p)
1607 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1609 g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED;
1611 g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED;
1615 /* Return the number of operands for statement GS. */
1617 static inline unsigned
1618 gimple_num_ops (const_gimple gs)
1620 return gs->gsbase.num_ops;
1624 /* Set the number of operands for statement GS. */
1627 gimple_set_num_ops (gimple gs, unsigned num_ops)
1629 gs->gsbase.num_ops = num_ops;
1633 /* Return the array of operands for statement GS. */
1635 static inline tree *
1636 gimple_ops (gimple gs)
1640 /* All the tuples have their operand vector at the very bottom
1641 of the structure. Note that those structures that do not
1642 have an operand vector have a zero offset. */
1643 off = gimple_ops_offset_[gimple_statement_structure (gs)];
1644 gcc_assert (off != 0);
1646 return (tree *) ((char *) gs + off);
1650 /* Return operand I for statement GS. */
1653 gimple_op (const_gimple gs, unsigned i)
1655 if (gimple_has_ops (gs))
1657 #ifdef ENABLE_CHECKING
1658 gcc_assert (i < gimple_num_ops (gs));
1660 return gimple_ops (CONST_CAST_GIMPLE (gs))[i];
1666 /* Return a pointer to operand I for statement GS. */
1668 static inline tree *
1669 gimple_op_ptr (const_gimple gs, unsigned i)
1671 if (gimple_has_ops (gs))
1673 #ifdef ENABLE_CHECKING
1674 gcc_assert (i < gimple_num_ops (gs));
1676 return gimple_ops (CONST_CAST_GIMPLE (gs)) + i;
1682 /* Set operand I of statement GS to OP. */
1685 gimple_set_op (gimple gs, unsigned i, tree op)
1687 gcc_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs));
1689 /* Note. It may be tempting to assert that OP matches
1690 is_gimple_operand, but that would be wrong. Different tuples
1691 accept slightly different sets of tree operands. Each caller
1692 should perform its own validation. */
1693 gimple_ops (gs)[i] = op;
1696 /* Return true if GS is a GIMPLE_ASSIGN. */
1699 is_gimple_assign (const_gimple gs)
1701 return gimple_code (gs) == GIMPLE_ASSIGN;
1704 /* Determine if expression CODE is one of the valid expressions that can
1705 be used on the RHS of GIMPLE assignments. */
1707 static inline enum gimple_rhs_class
1708 get_gimple_rhs_class (enum tree_code code)
1710 return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code];
1713 /* Return the LHS of assignment statement GS. */
1716 gimple_assign_lhs (const_gimple gs)
1718 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1719 return gimple_op (gs, 0);
1723 /* Return a pointer to the LHS of assignment statement GS. */
1725 static inline tree *
1726 gimple_assign_lhs_ptr (const_gimple gs)
1728 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1729 return gimple_op_ptr (gs, 0);
1733 /* Set LHS to be the LHS operand of assignment statement GS. */
1736 gimple_assign_set_lhs (gimple gs, tree lhs)
1738 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1739 gimple_set_op (gs, 0, lhs);
1741 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1742 SSA_NAME_DEF_STMT (lhs) = gs;
1746 /* Return the first operand on the RHS of assignment statement GS. */
1749 gimple_assign_rhs1 (const_gimple gs)
1751 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1752 return gimple_op (gs, 1);
1756 /* Return a pointer to the first operand on the RHS of assignment
1759 static inline tree *
1760 gimple_assign_rhs1_ptr (const_gimple gs)
1762 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1763 return gimple_op_ptr (gs, 1);
1766 /* Set RHS to be the first operand on the RHS of assignment statement GS. */
1769 gimple_assign_set_rhs1 (gimple gs, tree rhs)
1771 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1773 gimple_set_op (gs, 1, rhs);
1777 /* Return the second operand on the RHS of assignment statement GS.
1778 If GS does not have two operands, NULL is returned instead. */
1781 gimple_assign_rhs2 (const_gimple gs)
1783 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1785 if (gimple_num_ops (gs) >= 3)
1786 return gimple_op (gs, 2);
1792 /* Return a pointer to the second operand on the RHS of assignment
1795 static inline tree *
1796 gimple_assign_rhs2_ptr (const_gimple gs)
1798 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1799 return gimple_op_ptr (gs, 2);
1803 /* Set RHS to be the second operand on the RHS of assignment statement GS. */
1806 gimple_assign_set_rhs2 (gimple gs, tree rhs)
1808 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1810 gimple_set_op (gs, 2, rhs);
1813 /* Returns true if GS is a nontemporal move. */
1816 gimple_assign_nontemporal_move_p (const_gimple gs)
1818 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1819 return gs->gsbase.nontemporal_move;
1822 /* Sets nontemporal move flag of GS to NONTEMPORAL. */
1825 gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal)
1827 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1828 gs->gsbase.nontemporal_move = nontemporal;
1832 /* Return the code of the expression computed on the rhs of assignment
1833 statement GS. In case that the RHS is a single object, returns the
1834 tree code of the object. */
1836 static inline enum tree_code
1837 gimple_assign_rhs_code (const_gimple gs)
1839 enum tree_code code;
1840 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1842 code = gimple_expr_code (gs);
1843 if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS)
1844 code = TREE_CODE (gimple_assign_rhs1 (gs));
1850 /* Set CODE to be the code for the expression computed on the RHS of
1854 gimple_assign_set_rhs_code (gimple s, enum tree_code code)
1856 GIMPLE_CHECK (s, GIMPLE_ASSIGN);
1857 s->gsbase.subcode = code;
1861 /* Return the gimple rhs class of the code of the expression computed on
1862 the rhs of assignment statement GS.
1863 This will never return GIMPLE_INVALID_RHS. */
1865 static inline enum gimple_rhs_class
1866 gimple_assign_rhs_class (const_gimple gs)
1868 return get_gimple_rhs_class (gimple_assign_rhs_code (gs));
1872 /* Return true if S is a type-cast assignment. */
1875 gimple_assign_cast_p (gimple s)
1877 if (is_gimple_assign (s))
1879 enum tree_code sc = gimple_assign_rhs_code (s);
1880 return CONVERT_EXPR_CODE_P (sc)
1881 || sc == VIEW_CONVERT_EXPR
1882 || sc == FIX_TRUNC_EXPR;
1889 /* Return true if GS is a GIMPLE_CALL. */
1892 is_gimple_call (const_gimple gs)
1894 return gimple_code (gs) == GIMPLE_CALL;
1897 /* Return the LHS of call statement GS. */
1900 gimple_call_lhs (const_gimple gs)
1902 GIMPLE_CHECK (gs, GIMPLE_CALL);
1903 return gimple_op (gs, 0);
1907 /* Return a pointer to the LHS of call statement GS. */
1909 static inline tree *
1910 gimple_call_lhs_ptr (const_gimple gs)
1912 GIMPLE_CHECK (gs, GIMPLE_CALL);
1913 return gimple_op_ptr (gs, 0);
1917 /* Set LHS to be the LHS operand of call statement GS. */
1920 gimple_call_set_lhs (gimple gs, tree lhs)
1922 GIMPLE_CHECK (gs, GIMPLE_CALL);
1923 gimple_set_op (gs, 0, lhs);
1924 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1925 SSA_NAME_DEF_STMT (lhs) = gs;
1929 /* Return the tree node representing the function called by call
1933 gimple_call_fn (const_gimple gs)
1935 GIMPLE_CHECK (gs, GIMPLE_CALL);
1936 return gimple_op (gs, 1);
1940 /* Return a pointer to the tree node representing the function called by call
1943 static inline tree *
1944 gimple_call_fn_ptr (const_gimple gs)
1946 GIMPLE_CHECK (gs, GIMPLE_CALL);
1947 return gimple_op_ptr (gs, 1);
1951 /* Set FN to be the function called by call statement GS. */
1954 gimple_call_set_fn (gimple gs, tree fn)
1956 GIMPLE_CHECK (gs, GIMPLE_CALL);
1957 gimple_set_op (gs, 1, fn);
1961 /* Set FNDECL to be the function called by call statement GS. */
1964 gimple_call_set_fndecl (gimple gs, tree decl)
1966 GIMPLE_CHECK (gs, GIMPLE_CALL);
1967 gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl));
1971 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it.
1972 Otherwise return NULL. This function is analogous to
1973 get_callee_fndecl in tree land. */
1976 gimple_call_fndecl (const_gimple gs)
1978 tree addr = gimple_call_fn (gs);
1979 if (TREE_CODE (addr) == ADDR_EXPR)
1980 return TREE_OPERAND (addr, 0);
1985 /* Return the type returned by call statement GS. */
1988 gimple_call_return_type (const_gimple gs)
1990 tree fn = gimple_call_fn (gs);
1991 tree type = TREE_TYPE (fn);
1993 /* See through the pointer. */
1994 type = TREE_TYPE (type);
1996 /* The type returned by a FUNCTION_DECL is the type of its
1998 return TREE_TYPE (type);
2002 /* Return the static chain for call statement GS. */
2005 gimple_call_chain (const_gimple gs)
2007 GIMPLE_CHECK (gs, GIMPLE_CALL);
2008 return gimple_op (gs, 2);
2012 /* Return a pointer to the static chain for call statement GS. */
2014 static inline tree *
2015 gimple_call_chain_ptr (const_gimple gs)
2017 GIMPLE_CHECK (gs, GIMPLE_CALL);
2018 return gimple_op_ptr (gs, 2);
2021 /* Set CHAIN to be the static chain for call statement GS. */
2024 gimple_call_set_chain (gimple gs, tree chain)
2026 GIMPLE_CHECK (gs, GIMPLE_CALL);
2028 gimple_set_op (gs, 2, chain);
2032 /* Return the number of arguments used by call statement GS. */
2034 static inline unsigned
2035 gimple_call_num_args (const_gimple gs)
2038 GIMPLE_CHECK (gs, GIMPLE_CALL);
2039 num_ops = gimple_num_ops (gs);
2044 /* Return the argument at position INDEX for call statement GS. */
2047 gimple_call_arg (const_gimple gs, unsigned index)
2049 GIMPLE_CHECK (gs, GIMPLE_CALL);
2050 return gimple_op (gs, index + 3);
2054 /* Return a pointer to the argument at position INDEX for call
2057 static inline tree *
2058 gimple_call_arg_ptr (const_gimple gs, unsigned index)
2060 GIMPLE_CHECK (gs, GIMPLE_CALL);
2061 return gimple_op_ptr (gs, index + 3);
2065 /* Set ARG to be the argument at position INDEX for call statement GS. */
2068 gimple_call_set_arg (gimple gs, unsigned index, tree arg)
2070 GIMPLE_CHECK (gs, GIMPLE_CALL);
2071 gimple_set_op (gs, index + 3, arg);
2075 /* If TAIL_P is true, mark call statement S as being a tail call
2076 (i.e., a call just before the exit of a function). These calls are
2077 candidate for tail call optimization. */
2080 gimple_call_set_tail (gimple s, bool tail_p)
2082 GIMPLE_CHECK (s, GIMPLE_CALL);
2084 s->gsbase.subcode |= GF_CALL_TAILCALL;
2086 s->gsbase.subcode &= ~GF_CALL_TAILCALL;
2090 /* Return true if GIMPLE_CALL S is marked as a tail call. */
2093 gimple_call_tail_p (gimple s)
2095 GIMPLE_CHECK (s, GIMPLE_CALL);
2096 return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0;
2100 /* Set the inlinable status of GIMPLE_CALL S to INLINABLE_P. */
2103 gimple_call_set_cannot_inline (gimple s, bool inlinable_p)
2105 GIMPLE_CHECK (s, GIMPLE_CALL);
2107 s->gsbase.subcode |= GF_CALL_CANNOT_INLINE;
2109 s->gsbase.subcode &= ~GF_CALL_CANNOT_INLINE;
2113 /* Return true if GIMPLE_CALL S cannot be inlined. */
2116 gimple_call_cannot_inline_p (gimple s)
2118 GIMPLE_CHECK (s, GIMPLE_CALL);
2119 return (s->gsbase.subcode & GF_CALL_CANNOT_INLINE) != 0;
2123 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return
2124 slot optimization. This transformation uses the target of the call
2125 expansion as the return slot for calls that return in memory. */
2128 gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p)
2130 GIMPLE_CHECK (s, GIMPLE_CALL);
2131 if (return_slot_opt_p)
2132 s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT;
2134 s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT;
2138 /* Return true if S is marked for return slot optimization. */
2141 gimple_call_return_slot_opt_p (gimple s)
2143 GIMPLE_CHECK (s, GIMPLE_CALL);
2144 return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0;
2148 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a
2149 thunk to the thunked-to function. */
2152 gimple_call_set_from_thunk (gimple s, bool from_thunk_p)
2154 GIMPLE_CHECK (s, GIMPLE_CALL);
2156 s->gsbase.subcode |= GF_CALL_FROM_THUNK;
2158 s->gsbase.subcode &= ~GF_CALL_FROM_THUNK;
2162 /* Return true if GIMPLE_CALL S is a jump from a thunk. */
2165 gimple_call_from_thunk_p (gimple s)
2167 GIMPLE_CHECK (s, GIMPLE_CALL);
2168 return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0;
2172 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the
2173 argument pack in its argument list. */
2176 gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p)
2178 GIMPLE_CHECK (s, GIMPLE_CALL);
2179 if (pass_arg_pack_p)
2180 s->gsbase.subcode |= GF_CALL_VA_ARG_PACK;
2182 s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK;
2186 /* Return true if GIMPLE_CALL S is a stdarg call that needs the
2187 argument pack in its argument list. */
2190 gimple_call_va_arg_pack_p (gimple s)
2192 GIMPLE_CHECK (s, GIMPLE_CALL);
2193 return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0;
2197 /* Return true if S is a noreturn call. */
2200 gimple_call_noreturn_p (gimple s)
2202 GIMPLE_CHECK (s, GIMPLE_CALL);
2203 return (gimple_call_flags (s) & ECF_NORETURN) != 0;
2207 /* Return true if S is a nothrow call. */
2210 gimple_call_nothrow_p (gimple s)
2212 GIMPLE_CHECK (s, GIMPLE_CALL);
2213 return (gimple_call_flags (s) & ECF_NOTHROW) != 0;
2217 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */
2220 gimple_call_copy_flags (gimple dest_call, gimple orig_call)
2222 GIMPLE_CHECK (dest_call, GIMPLE_CALL);
2223 GIMPLE_CHECK (orig_call, GIMPLE_CALL);
2224 dest_call->gsbase.subcode = orig_call->gsbase.subcode;
2228 /* Return a pointer to the points-to solution for the set of call-used
2229 variables of the call CALL. */
2231 static inline struct pt_solution *
2232 gimple_call_use_set (gimple call)
2234 GIMPLE_CHECK (call, GIMPLE_CALL);
2235 return &call->gimple_call.call_used;
2239 /* Return a pointer to the points-to solution for the set of call-used
2240 variables of the call CALL. */
2242 static inline struct pt_solution *
2243 gimple_call_clobber_set (gimple call)
2245 GIMPLE_CHECK (call, GIMPLE_CALL);
2246 return &call->gimple_call.call_clobbered;
2250 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a
2254 gimple_has_lhs (gimple stmt)
2256 return (is_gimple_assign (stmt)
2257 || (is_gimple_call (stmt)
2258 && gimple_call_lhs (stmt) != NULL_TREE));
2262 /* Return the code of the predicate computed by conditional statement GS. */
2264 static inline enum tree_code
2265 gimple_cond_code (const_gimple gs)
2267 GIMPLE_CHECK (gs, GIMPLE_COND);
2268 return (enum tree_code) gs->gsbase.subcode;
2272 /* Set CODE to be the predicate code for the conditional statement GS. */
2275 gimple_cond_set_code (gimple gs, enum tree_code code)
2277 GIMPLE_CHECK (gs, GIMPLE_COND);
2278 gs->gsbase.subcode = code;
2282 /* Return the LHS of the predicate computed by conditional statement GS. */
2285 gimple_cond_lhs (const_gimple gs)
2287 GIMPLE_CHECK (gs, GIMPLE_COND);
2288 return gimple_op (gs, 0);
2291 /* Return the pointer to the LHS of the predicate computed by conditional
2294 static inline tree *
2295 gimple_cond_lhs_ptr (const_gimple gs)
2297 GIMPLE_CHECK (gs, GIMPLE_COND);
2298 return gimple_op_ptr (gs, 0);
2301 /* Set LHS to be the LHS operand of the predicate computed by
2302 conditional statement GS. */
2305 gimple_cond_set_lhs (gimple gs, tree lhs)
2307 GIMPLE_CHECK (gs, GIMPLE_COND);
2308 gimple_set_op (gs, 0, lhs);
2312 /* Return the RHS operand of the predicate computed by conditional GS. */
2315 gimple_cond_rhs (const_gimple gs)
2317 GIMPLE_CHECK (gs, GIMPLE_COND);
2318 return gimple_op (gs, 1);
2321 /* Return the pointer to the RHS operand of the predicate computed by
2324 static inline tree *
2325 gimple_cond_rhs_ptr (const_gimple gs)
2327 GIMPLE_CHECK (gs, GIMPLE_COND);
2328 return gimple_op_ptr (gs, 1);
2332 /* Set RHS to be the RHS operand of the predicate computed by
2333 conditional statement GS. */
2336 gimple_cond_set_rhs (gimple gs, tree rhs)
2338 GIMPLE_CHECK (gs, GIMPLE_COND);
2339 gimple_set_op (gs, 1, rhs);
2343 /* Return the label used by conditional statement GS when its
2344 predicate evaluates to true. */
2347 gimple_cond_true_label (const_gimple gs)
2349 GIMPLE_CHECK (gs, GIMPLE_COND);
2350 return gimple_op (gs, 2);
2354 /* Set LABEL to be the label used by conditional statement GS when its
2355 predicate evaluates to true. */
2358 gimple_cond_set_true_label (gimple gs, tree label)
2360 GIMPLE_CHECK (gs, GIMPLE_COND);
2361 gimple_set_op (gs, 2, label);
2365 /* Set LABEL to be the label used by conditional statement GS when its
2366 predicate evaluates to false. */
2369 gimple_cond_set_false_label (gimple gs, tree label)
2371 GIMPLE_CHECK (gs, GIMPLE_COND);
2372 gimple_set_op (gs, 3, label);
2376 /* Return the label used by conditional statement GS when its
2377 predicate evaluates to false. */
2380 gimple_cond_false_label (const_gimple gs)
2382 GIMPLE_CHECK (gs, GIMPLE_COND);
2383 return gimple_op (gs, 3);
2387 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */
2390 gimple_cond_make_false (gimple gs)
2392 gimple_cond_set_lhs (gs, boolean_true_node);
2393 gimple_cond_set_rhs (gs, boolean_false_node);
2394 gs->gsbase.subcode = EQ_EXPR;
2398 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */
2401 gimple_cond_make_true (gimple gs)
2403 gimple_cond_set_lhs (gs, boolean_true_node);
2404 gimple_cond_set_rhs (gs, boolean_true_node);
2405 gs->gsbase.subcode = EQ_EXPR;
2408 /* Check if conditional statemente GS is of the form 'if (1 == 1)',
2409 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */
2412 gimple_cond_true_p (const_gimple gs)
2414 tree lhs = gimple_cond_lhs (gs);
2415 tree rhs = gimple_cond_rhs (gs);
2416 enum tree_code code = gimple_cond_code (gs);
2418 if (lhs != boolean_true_node && lhs != boolean_false_node)
2421 if (rhs != boolean_true_node && rhs != boolean_false_node)
2424 if (code == NE_EXPR && lhs != rhs)
2427 if (code == EQ_EXPR && lhs == rhs)
2433 /* Check if conditional statement GS is of the form 'if (1 != 1)',
2434 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */
2437 gimple_cond_false_p (const_gimple gs)
2439 tree lhs = gimple_cond_lhs (gs);
2440 tree rhs = gimple_cond_rhs (gs);
2441 enum tree_code code = gimple_cond_code (gs);
2443 if (lhs != boolean_true_node && lhs != boolean_false_node)
2446 if (rhs != boolean_true_node && rhs != boolean_false_node)
2449 if (code == NE_EXPR && lhs == rhs)
2452 if (code == EQ_EXPR && lhs != rhs)
2458 /* Check if conditional statement GS is of the form 'if (var != 0)' or
2462 gimple_cond_single_var_p (gimple gs)
2464 if (gimple_cond_code (gs) == NE_EXPR
2465 && gimple_cond_rhs (gs) == boolean_false_node)
2468 if (gimple_cond_code (gs) == EQ_EXPR
2469 && gimple_cond_rhs (gs) == boolean_true_node)
2475 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */
2478 gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs)
2480 gimple_cond_set_code (stmt, code);
2481 gimple_cond_set_lhs (stmt, lhs);
2482 gimple_cond_set_rhs (stmt, rhs);
2485 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */
2488 gimple_label_label (const_gimple gs)
2490 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2491 return gimple_op (gs, 0);
2495 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement
2499 gimple_label_set_label (gimple gs, tree label)
2501 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2502 gimple_set_op (gs, 0, label);
2506 /* Return the destination of the unconditional jump GS. */
2509 gimple_goto_dest (const_gimple gs)
2511 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2512 return gimple_op (gs, 0);
2516 /* Set DEST to be the destination of the unconditonal jump GS. */
2519 gimple_goto_set_dest (gimple gs, tree dest)
2521 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2522 gimple_set_op (gs, 0, dest);
2526 /* Return the variables declared in the GIMPLE_BIND statement GS. */
2529 gimple_bind_vars (const_gimple gs)
2531 GIMPLE_CHECK (gs, GIMPLE_BIND);
2532 return gs->gimple_bind.vars;
2536 /* Set VARS to be the set of variables declared in the GIMPLE_BIND
2540 gimple_bind_set_vars (gimple gs, tree vars)
2542 GIMPLE_CHECK (gs, GIMPLE_BIND);
2543 gs->gimple_bind.vars = vars;
2547 /* Append VARS to the set of variables declared in the GIMPLE_BIND
2551 gimple_bind_append_vars (gimple gs, tree vars)
2553 GIMPLE_CHECK (gs, GIMPLE_BIND);
2554 gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars);
2558 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */
2560 static inline gimple_seq
2561 gimple_bind_body (gimple gs)
2563 GIMPLE_CHECK (gs, GIMPLE_BIND);
2564 return gs->gimple_bind.body;
2568 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND
2572 gimple_bind_set_body (gimple gs, gimple_seq seq)
2574 GIMPLE_CHECK (gs, GIMPLE_BIND);
2575 gs->gimple_bind.body = seq;
2579 /* Append a statement to the end of a GIMPLE_BIND's body. */
2582 gimple_bind_add_stmt (gimple gs, gimple stmt)
2584 GIMPLE_CHECK (gs, GIMPLE_BIND);
2585 gimple_seq_add_stmt (&gs->gimple_bind.body, stmt);
2589 /* Append a sequence of statements to the end of a GIMPLE_BIND's body. */
2592 gimple_bind_add_seq (gimple gs, gimple_seq seq)
2594 GIMPLE_CHECK (gs, GIMPLE_BIND);
2595 gimple_seq_add_seq (&gs->gimple_bind.body, seq);
2599 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement
2600 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */
2603 gimple_bind_block (const_gimple gs)
2605 GIMPLE_CHECK (gs, GIMPLE_BIND);
2606 return gs->gimple_bind.block;
2610 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND
2614 gimple_bind_set_block (gimple gs, tree block)
2616 GIMPLE_CHECK (gs, GIMPLE_BIND);
2617 gcc_assert (block == NULL_TREE || TREE_CODE (block) == BLOCK);
2618 gs->gimple_bind.block = block;
2622 /* Return the number of input operands for GIMPLE_ASM GS. */
2624 static inline unsigned
2625 gimple_asm_ninputs (const_gimple gs)
2627 GIMPLE_CHECK (gs, GIMPLE_ASM);
2628 return gs->gimple_asm.ni;
2632 /* Return the number of output operands for GIMPLE_ASM GS. */
2634 static inline unsigned
2635 gimple_asm_noutputs (const_gimple gs)
2637 GIMPLE_CHECK (gs, GIMPLE_ASM);
2638 return gs->gimple_asm.no;
2642 /* Return the number of clobber operands for GIMPLE_ASM GS. */
2644 static inline unsigned
2645 gimple_asm_nclobbers (const_gimple gs)
2647 GIMPLE_CHECK (gs, GIMPLE_ASM);
2648 return gs->gimple_asm.nc;
2651 /* Return the number of label operands for GIMPLE_ASM GS. */
2653 static inline unsigned
2654 gimple_asm_nlabels (const_gimple gs)
2656 GIMPLE_CHECK (gs, GIMPLE_ASM);
2657 return gs->gimple_asm.nl;
2660 /* Return input operand INDEX of GIMPLE_ASM GS. */
2663 gimple_asm_input_op (const_gimple gs, unsigned index)
2665 GIMPLE_CHECK (gs, GIMPLE_ASM);
2666 gcc_assert (index <= gs->gimple_asm.ni);
2667 return gimple_op (gs, index);
2670 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */
2672 static inline tree *
2673 gimple_asm_input_op_ptr (const_gimple gs, unsigned index)
2675 GIMPLE_CHECK (gs, GIMPLE_ASM);
2676 gcc_assert (index <= gs->gimple_asm.ni);
2677 return gimple_op_ptr (gs, index);
2681 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */
2684 gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op)
2686 GIMPLE_CHECK (gs, GIMPLE_ASM);
2687 gcc_assert (index <= gs->gimple_asm.ni);
2688 gcc_assert (TREE_CODE (in_op) == TREE_LIST);
2689 gimple_set_op (gs, index, in_op);
2693 /* Return output operand INDEX of GIMPLE_ASM GS. */
2696 gimple_asm_output_op (const_gimple gs, unsigned index)
2698 GIMPLE_CHECK (gs, GIMPLE_ASM);
2699 gcc_assert (index <= gs->gimple_asm.no);
2700 return gimple_op (gs, index + gs->gimple_asm.ni);
2703 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */
2705 static inline tree *
2706 gimple_asm_output_op_ptr (const_gimple gs, unsigned index)
2708 GIMPLE_CHECK (gs, GIMPLE_ASM);
2709 gcc_assert (index <= gs->gimple_asm.no);
2710 return gimple_op_ptr (gs, index + gs->gimple_asm.ni);
2714 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */
2717 gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op)
2719 GIMPLE_CHECK (gs, GIMPLE_ASM);
2720 gcc_assert (index <= gs->gimple_asm.no);
2721 gcc_assert (TREE_CODE (out_op) == TREE_LIST);
2722 gimple_set_op (gs, index + gs->gimple_asm.ni, out_op);
2726 /* Return clobber operand INDEX of GIMPLE_ASM GS. */
2729 gimple_asm_clobber_op (const_gimple gs, unsigned index)
2731 GIMPLE_CHECK (gs, GIMPLE_ASM);
2732 gcc_assert (index <= gs->gimple_asm.nc);
2733 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no);
2737 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */
2740 gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op)
2742 GIMPLE_CHECK (gs, GIMPLE_ASM);
2743 gcc_assert (index <= gs->gimple_asm.nc);
2744 gcc_assert (TREE_CODE (clobber_op) == TREE_LIST);
2745 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op);
2748 /* Return label operand INDEX of GIMPLE_ASM GS. */
2751 gimple_asm_label_op (const_gimple gs, unsigned index)
2753 GIMPLE_CHECK (gs, GIMPLE_ASM);
2754 gcc_assert (index <= gs->gimple_asm.nl);
2755 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc);
2758 /* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS. */
2761 gimple_asm_set_label_op (gimple gs, unsigned index, tree label_op)
2763 GIMPLE_CHECK (gs, GIMPLE_ASM);
2764 gcc_assert (index <= gs->gimple_asm.nl);
2765 gcc_assert (TREE_CODE (label_op) == TREE_LIST);
2766 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc, label_op);
2769 /* Return the string representing the assembly instruction in
2772 static inline const char *
2773 gimple_asm_string (const_gimple gs)
2775 GIMPLE_CHECK (gs, GIMPLE_ASM);
2776 return gs->gimple_asm.string;
2780 /* Return true if GS is an asm statement marked volatile. */
2783 gimple_asm_volatile_p (const_gimple gs)
2785 GIMPLE_CHECK (gs, GIMPLE_ASM);
2786 return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0;
2790 /* If VOLATLE_P is true, mark asm statement GS as volatile. */
2793 gimple_asm_set_volatile (gimple gs, bool volatile_p)
2795 GIMPLE_CHECK (gs, GIMPLE_ASM);
2797 gs->gsbase.subcode |= GF_ASM_VOLATILE;
2799 gs->gsbase.subcode &= ~GF_ASM_VOLATILE;
2803 /* If INPUT_P is true, mark asm GS as an ASM_INPUT. */
2806 gimple_asm_set_input (gimple gs, bool input_p)
2808 GIMPLE_CHECK (gs, GIMPLE_ASM);
2810 gs->gsbase.subcode |= GF_ASM_INPUT;
2812 gs->gsbase.subcode &= ~GF_ASM_INPUT;
2816 /* Return true if asm GS is an ASM_INPUT. */
2819 gimple_asm_input_p (const_gimple gs)
2821 GIMPLE_CHECK (gs, GIMPLE_ASM);
2822 return (gs->gsbase.subcode & GF_ASM_INPUT) != 0;
2826 /* Return the types handled by GIMPLE_CATCH statement GS. */
2829 gimple_catch_types (const_gimple gs)
2831 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2832 return gs->gimple_catch.types;
2836 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */
2838 static inline tree *
2839 gimple_catch_types_ptr (gimple gs)
2841 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2842 return &gs->gimple_catch.types;
2846 /* Return the GIMPLE sequence representing the body of the handler of
2847 GIMPLE_CATCH statement GS. */
2849 static inline gimple_seq
2850 gimple_catch_handler (gimple gs)
2852 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2853 return gs->gimple_catch.handler;
2857 /* Return a pointer to the GIMPLE sequence representing the body of
2858 the handler of GIMPLE_CATCH statement GS. */
2860 static inline gimple_seq *
2861 gimple_catch_handler_ptr (gimple gs)
2863 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2864 return &gs->gimple_catch.handler;
2868 /* Set T to be the set of types handled by GIMPLE_CATCH GS. */
2871 gimple_catch_set_types (gimple gs, tree t)
2873 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2874 gs->gimple_catch.types = t;
2878 /* Set HANDLER to be the body of GIMPLE_CATCH GS. */
2881 gimple_catch_set_handler (gimple gs, gimple_seq handler)
2883 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2884 gs->gimple_catch.handler = handler;
2888 /* Return the types handled by GIMPLE_EH_FILTER statement GS. */
2891 gimple_eh_filter_types (const_gimple gs)
2893 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2894 return gs->gimple_eh_filter.types;
2898 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement
2901 static inline tree *
2902 gimple_eh_filter_types_ptr (gimple gs)
2904 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2905 return &gs->gimple_eh_filter.types;
2909 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER
2912 static inline gimple_seq
2913 gimple_eh_filter_failure (gimple gs)
2915 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2916 return gs->gimple_eh_filter.failure;
2920 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */
2923 gimple_eh_filter_set_types (gimple gs, tree types)
2925 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2926 gs->gimple_eh_filter.types = types;
2930 /* Set FAILURE to be the sequence of statements to execute on failure
2931 for GIMPLE_EH_FILTER GS. */
2934 gimple_eh_filter_set_failure (gimple gs, gimple_seq failure)
2936 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2937 gs->gimple_eh_filter.failure = failure;
2940 /* Get the function decl to be called by the MUST_NOT_THROW region. */
2943 gimple_eh_must_not_throw_fndecl (gimple gs)
2945 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
2946 return gs->gimple_eh_mnt.fndecl;
2949 /* Set the function decl to be called by GS to DECL. */
2952 gimple_eh_must_not_throw_set_fndecl (gimple gs, tree decl)
2954 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
2955 gs->gimple_eh_mnt.fndecl = decl;
2959 /* GIMPLE_TRY accessors. */
2961 /* Return the kind of try block represented by GIMPLE_TRY GS. This is
2962 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */
2964 static inline enum gimple_try_flags
2965 gimple_try_kind (const_gimple gs)
2967 GIMPLE_CHECK (gs, GIMPLE_TRY);
2968 return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND);
2972 /* Set the kind of try block represented by GIMPLE_TRY GS. */
2975 gimple_try_set_kind (gimple gs, enum gimple_try_flags kind)
2977 GIMPLE_CHECK (gs, GIMPLE_TRY);
2978 gcc_assert (kind == GIMPLE_TRY_CATCH || kind == GIMPLE_TRY_FINALLY);
2979 if (gimple_try_kind (gs) != kind)
2980 gs->gsbase.subcode = (unsigned int) kind;
2984 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
2987 gimple_try_catch_is_cleanup (const_gimple gs)
2989 gcc_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH);
2990 return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0;
2994 /* Return the sequence of statements used as the body for GIMPLE_TRY GS. */
2996 static inline gimple_seq
2997 gimple_try_eval (gimple gs)
2999 GIMPLE_CHECK (gs, GIMPLE_TRY);
3000 return gs->gimple_try.eval;
3004 /* Return the sequence of statements used as the cleanup body for
3007 static inline gimple_seq
3008 gimple_try_cleanup (gimple gs)
3010 GIMPLE_CHECK (gs, GIMPLE_TRY);
3011 return gs->gimple_try.cleanup;
3015 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3018 gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup)
3020 gcc_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH);
3021 if (catch_is_cleanup)
3022 g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP;
3024 g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP;
3028 /* Set EVAL to be the sequence of statements to use as the body for
3032 gimple_try_set_eval (gimple gs, gimple_seq eval)
3034 GIMPLE_CHECK (gs, GIMPLE_TRY);
3035 gs->gimple_try.eval = eval;
3039 /* Set CLEANUP to be the sequence of statements to use as the cleanup
3040 body for GIMPLE_TRY GS. */
3043 gimple_try_set_cleanup (gimple gs, gimple_seq cleanup)
3045 GIMPLE_CHECK (gs, GIMPLE_TRY);
3046 gs->gimple_try.cleanup = cleanup;
3050 /* Return the cleanup sequence for cleanup statement GS. */
3052 static inline gimple_seq
3053 gimple_wce_cleanup (gimple gs)
3055 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3056 return gs->gimple_wce.cleanup;
3060 /* Set CLEANUP to be the cleanup sequence for GS. */
3063 gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup)
3065 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3066 gs->gimple_wce.cleanup = cleanup;
3070 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */
3073 gimple_wce_cleanup_eh_only (const_gimple gs)
3075 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3076 return gs->gsbase.subcode != 0;
3080 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */
3083 gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p)
3085 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3086 gs->gsbase.subcode = (unsigned int) eh_only_p;
3090 /* Return the maximum number of arguments supported by GIMPLE_PHI GS. */
3092 static inline unsigned
3093 gimple_phi_capacity (const_gimple gs)
3095 GIMPLE_CHECK (gs, GIMPLE_PHI);
3096 return gs->gimple_phi.capacity;
3100 /* Return the number of arguments in GIMPLE_PHI GS. This must always
3101 be exactly the number of incoming edges for the basic block holding
3104 static inline unsigned
3105 gimple_phi_num_args (const_gimple gs)
3107 GIMPLE_CHECK (gs, GIMPLE_PHI);
3108 return gs->gimple_phi.nargs;
3112 /* Return the SSA name created by GIMPLE_PHI GS. */
3115 gimple_phi_result (const_gimple gs)
3117 GIMPLE_CHECK (gs, GIMPLE_PHI);
3118 return gs->gimple_phi.result;
3121 /* Return a pointer to the SSA name created by GIMPLE_PHI GS. */
3123 static inline tree *
3124 gimple_phi_result_ptr (gimple gs)
3126 GIMPLE_CHECK (gs, GIMPLE_PHI);
3127 return &gs->gimple_phi.result;
3130 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */
3133 gimple_phi_set_result (gimple gs, tree result)
3135 GIMPLE_CHECK (gs, GIMPLE_PHI);
3136 gs->gimple_phi.result = result;
3140 /* Return the PHI argument corresponding to incoming edge INDEX for
3143 static inline struct phi_arg_d *
3144 gimple_phi_arg (gimple gs, unsigned index)
3146 GIMPLE_CHECK (gs, GIMPLE_PHI);
3147 gcc_assert (index <= gs->gimple_phi.capacity);
3148 return &(gs->gimple_phi.args[index]);
3151 /* Set PHIARG to be the argument corresponding to incoming edge INDEX
3152 for GIMPLE_PHI GS. */
3155 gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg)
3157 GIMPLE_CHECK (gs, GIMPLE_PHI);
3158 gcc_assert (index <= gs->gimple_phi.nargs);
3159 memcpy (gs->gimple_phi.args + index, phiarg, sizeof (struct phi_arg_d));
3162 /* Return the region number for GIMPLE_RESX GS. */
3165 gimple_resx_region (const_gimple gs)
3167 GIMPLE_CHECK (gs, GIMPLE_RESX);
3168 return gs->gimple_eh_ctrl.region;
3171 /* Set REGION to be the region number for GIMPLE_RESX GS. */
3174 gimple_resx_set_region (gimple gs, int region)
3176 GIMPLE_CHECK (gs, GIMPLE_RESX);
3177 gs->gimple_eh_ctrl.region = region;
3180 /* Return the region number for GIMPLE_EH_DISPATCH GS. */
3183 gimple_eh_dispatch_region (const_gimple gs)
3185 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3186 return gs->gimple_eh_ctrl.region;
3189 /* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS. */
3192 gimple_eh_dispatch_set_region (gimple gs, int region)
3194 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3195 gs->gimple_eh_ctrl.region = region;
3198 /* Return the number of labels associated with the switch statement GS. */
3200 static inline unsigned
3201 gimple_switch_num_labels (const_gimple gs)
3204 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3205 num_ops = gimple_num_ops (gs);
3206 gcc_assert (num_ops > 1);
3211 /* Set NLABELS to be the number of labels for the switch statement GS. */
3214 gimple_switch_set_num_labels (gimple g, unsigned nlabels)
3216 GIMPLE_CHECK (g, GIMPLE_SWITCH);
3217 gimple_set_num_ops (g, nlabels + 1);
3221 /* Return the index variable used by the switch statement GS. */
3224 gimple_switch_index (const_gimple gs)
3226 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3227 return gimple_op (gs, 0);
3231 /* Return a pointer to the index variable for the switch statement GS. */
3233 static inline tree *
3234 gimple_switch_index_ptr (const_gimple gs)
3236 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3237 return gimple_op_ptr (gs, 0);
3241 /* Set INDEX to be the index variable for switch statement GS. */
3244 gimple_switch_set_index (gimple gs, tree index)
3246 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3247 gcc_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index));
3248 gimple_set_op (gs, 0, index);
3252 /* Return the label numbered INDEX. The default label is 0, followed by any
3253 labels in a switch statement. */
3256 gimple_switch_label (const_gimple gs, unsigned index)
3258 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3259 gcc_assert (gimple_num_ops (gs) > index + 1);
3260 return gimple_op (gs, index + 1);
3263 /* Set the label number INDEX to LABEL. 0 is always the default label. */
3266 gimple_switch_set_label (gimple gs, unsigned index, tree label)
3268 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3269 gcc_assert (gimple_num_ops (gs) > index + 1);
3270 gcc_assert (label == NULL_TREE || TREE_CODE (label) == CASE_LABEL_EXPR);
3271 gimple_set_op (gs, index + 1, label);
3274 /* Return the default label for a switch statement. */
3277 gimple_switch_default_label (const_gimple gs)
3279 return gimple_switch_label (gs, 0);
3282 /* Set the default label for a switch statement. */
3285 gimple_switch_set_default_label (gimple gs, tree label)
3287 gimple_switch_set_label (gs, 0, label);
3290 /* Return true if GS is a GIMPLE_DEBUG statement. */
3293 is_gimple_debug (const_gimple gs)
3295 return gimple_code (gs) == GIMPLE_DEBUG;
3298 /* Return true if S is a GIMPLE_DEBUG BIND statement. */
3301 gimple_debug_bind_p (const_gimple s)
3303 if (is_gimple_debug (s))
3304 return s->gsbase.subcode == GIMPLE_DEBUG_BIND;
3309 /* Return the variable bound in a GIMPLE_DEBUG bind statement. */
3312 gimple_debug_bind_get_var (gimple dbg)
3314 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3315 #ifdef ENABLE_CHECKING
3316 gcc_assert (gimple_debug_bind_p (dbg));
3318 return gimple_op (dbg, 0);
3321 /* Return the value bound to the variable in a GIMPLE_DEBUG bind
3325 gimple_debug_bind_get_value (gimple dbg)
3327 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3328 #ifdef ENABLE_CHECKING
3329 gcc_assert (gimple_debug_bind_p (dbg));
3331 return gimple_op (dbg, 1);
3334 /* Return a pointer to the value bound to the variable in a
3335 GIMPLE_DEBUG bind statement. */
3337 static inline tree *
3338 gimple_debug_bind_get_value_ptr (gimple dbg)
3340 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3341 #ifdef ENABLE_CHECKING
3342 gcc_assert (gimple_debug_bind_p (dbg));
3344 return gimple_op_ptr (dbg, 1);
3347 /* Set the variable bound in a GIMPLE_DEBUG bind statement. */
3350 gimple_debug_bind_set_var (gimple dbg, tree var)
3352 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3353 #ifdef ENABLE_CHECKING
3354 gcc_assert (gimple_debug_bind_p (dbg));
3356 gimple_set_op (dbg, 0, var);
3359 /* Set the value bound to the variable in a GIMPLE_DEBUG bind
3363 gimple_debug_bind_set_value (gimple dbg, tree value)
3365 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3366 #ifdef ENABLE_CHECKING
3367 gcc_assert (gimple_debug_bind_p (dbg));
3369 gimple_set_op (dbg, 1, value);
3372 /* The second operand of a GIMPLE_DEBUG_BIND, when the value was
3374 #define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */
3376 /* Remove the value bound to the variable in a GIMPLE_DEBUG bind
3380 gimple_debug_bind_reset_value (gimple dbg)
3382 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3383 #ifdef ENABLE_CHECKING
3384 gcc_assert (gimple_debug_bind_p (dbg));
3386 gimple_set_op (dbg, 1, GIMPLE_DEBUG_BIND_NOVALUE);
3389 /* Return true if the GIMPLE_DEBUG bind statement is bound to a
3393 gimple_debug_bind_has_value_p (gimple dbg)
3395 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3396 #ifdef ENABLE_CHECKING
3397 gcc_assert (gimple_debug_bind_p (dbg));
3399 return gimple_op (dbg, 1) != GIMPLE_DEBUG_BIND_NOVALUE;
3402 #undef GIMPLE_DEBUG_BIND_NOVALUE
3404 /* Return the body for the OMP statement GS. */
3406 static inline gimple_seq
3407 gimple_omp_body (gimple gs)
3409 return gs->omp.body;
3412 /* Set BODY to be the body for the OMP statement GS. */
3415 gimple_omp_set_body (gimple gs, gimple_seq body)
3417 gs->omp.body = body;
3421 /* Return the name associated with OMP_CRITICAL statement GS. */
3424 gimple_omp_critical_name (const_gimple gs)
3426 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3427 return gs->gimple_omp_critical.name;
3431 /* Return a pointer to the name associated with OMP critical statement GS. */
3433 static inline tree *
3434 gimple_omp_critical_name_ptr (gimple gs)
3436 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3437 return &gs->gimple_omp_critical.name;
3441 /* Set NAME to be the name associated with OMP critical statement GS. */
3444 gimple_omp_critical_set_name (gimple gs, tree name)
3446 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3447 gs->gimple_omp_critical.name = name;
3451 /* Return the clauses associated with OMP_FOR GS. */
3454 gimple_omp_for_clauses (const_gimple gs)
3456 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3457 return gs->gimple_omp_for.clauses;
3461 /* Return a pointer to the OMP_FOR GS. */
3463 static inline tree *
3464 gimple_omp_for_clauses_ptr (gimple gs)
3466 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3467 return &gs->gimple_omp_for.clauses;
3471 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */
3474 gimple_omp_for_set_clauses (gimple gs, tree clauses)
3476 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3477 gs->gimple_omp_for.clauses = clauses;
3481 /* Get the collapse count of OMP_FOR GS. */
3483 static inline size_t
3484 gimple_omp_for_collapse (gimple gs)
3486 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3487 return gs->gimple_omp_for.collapse;
3491 /* Return the index variable for OMP_FOR GS. */
3494 gimple_omp_for_index (const_gimple gs, size_t i)
3496 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3497 gcc_assert (i < gs->gimple_omp_for.collapse);
3498 return gs->gimple_omp_for.iter[i].index;
3502 /* Return a pointer to the index variable for OMP_FOR GS. */
3504 static inline tree *
3505 gimple_omp_for_index_ptr (gimple gs, size_t i)
3507 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3508 gcc_assert (i < gs->gimple_omp_for.collapse);
3509 return &gs->gimple_omp_for.iter[i].index;
3513 /* Set INDEX to be the index variable for OMP_FOR GS. */
3516 gimple_omp_for_set_index (gimple gs, size_t i, tree index)
3518 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3519 gcc_assert (i < gs->gimple_omp_for.collapse);
3520 gs->gimple_omp_for.iter[i].index = index;
3524 /* Return the initial value for OMP_FOR GS. */
3527 gimple_omp_for_initial (const_gimple gs, size_t i)
3529 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3530 gcc_assert (i < gs->gimple_omp_for.collapse);
3531 return gs->gimple_omp_for.iter[i].initial;
3535 /* Return a pointer to the initial value for OMP_FOR GS. */
3537 static inline tree *
3538 gimple_omp_for_initial_ptr (gimple gs, size_t i)
3540 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3541 gcc_assert (i < gs->gimple_omp_for.collapse);
3542 return &gs->gimple_omp_for.iter[i].initial;
3546 /* Set INITIAL to be the initial value for OMP_FOR GS. */
3549 gimple_omp_for_set_initial (gimple gs, size_t i, tree initial)
3551 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3552 gcc_assert (i < gs->gimple_omp_for.collapse);
3553 gs->gimple_omp_for.iter[i].initial = initial;
3557 /* Return the final value for OMP_FOR GS. */
3560 gimple_omp_for_final (const_gimple gs, size_t i)
3562 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3563 gcc_assert (i < gs->gimple_omp_for.collapse);
3564 return gs->gimple_omp_for.iter[i].final;
3568 /* Return a pointer to the final value for OMP_FOR GS. */
3570 static inline tree *
3571 gimple_omp_for_final_ptr (gimple gs, size_t i)
3573 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3574 gcc_assert (i < gs->gimple_omp_for.collapse);
3575 return &gs->gimple_omp_for.iter[i].final;
3579 /* Set FINAL to be the final value for OMP_FOR GS. */
3582 gimple_omp_for_set_final (gimple gs, size_t i, tree final)
3584 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3585 gcc_assert (i < gs->gimple_omp_for.collapse);
3586 gs->gimple_omp_for.iter[i].final = final;
3590 /* Return the increment value for OMP_FOR GS. */
3593 gimple_omp_for_incr (const_gimple gs, size_t i)
3595 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3596 gcc_assert (i < gs->gimple_omp_for.collapse);
3597 return gs->gimple_omp_for.iter[i].incr;
3601 /* Return a pointer to the increment value for OMP_FOR GS. */
3603 static inline tree *
3604 gimple_omp_for_incr_ptr (gimple gs, size_t i)
3606 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3607 gcc_assert (i < gs->gimple_omp_for.collapse);
3608 return &gs->gimple_omp_for.iter[i].incr;
3612 /* Set INCR to be the increment value for OMP_FOR GS. */
3615 gimple_omp_for_set_incr (gimple gs, size_t i, tree incr)
3617 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3618 gcc_assert (i < gs->gimple_omp_for.collapse);
3619 gs->gimple_omp_for.iter[i].incr = incr;
3623 /* Return the sequence of statements to execute before the OMP_FOR
3624 statement GS starts. */
3626 static inline gimple_seq
3627 gimple_omp_for_pre_body (gimple gs)
3629 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3630 return gs->gimple_omp_for.pre_body;
3634 /* Set PRE_BODY to be the sequence of statements to execute before the
3635 OMP_FOR statement GS starts. */
3638 gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body)
3640 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3641 gs->gimple_omp_for.pre_body = pre_body;
3645 /* Return the clauses associated with OMP_PARALLEL GS. */
3648 gimple_omp_parallel_clauses (const_gimple gs)
3650 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3651 return gs->gimple_omp_parallel.clauses;
3655 /* Return a pointer to the clauses associated with OMP_PARALLEL GS. */
3657 static inline tree *
3658 gimple_omp_parallel_clauses_ptr (gimple gs)
3660 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3661 return &gs->gimple_omp_parallel.clauses;
3665 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL
3669 gimple_omp_parallel_set_clauses (gimple gs, tree clauses)
3671 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3672 gs->gimple_omp_parallel.clauses = clauses;
3676 /* Return the child function used to hold the body of OMP_PARALLEL GS. */
3679 gimple_omp_parallel_child_fn (const_gimple gs)
3681 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3682 return gs->gimple_omp_parallel.child_fn;
3685 /* Return a pointer to the child function used to hold the body of
3688 static inline tree *
3689 gimple_omp_parallel_child_fn_ptr (gimple gs)
3691 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3692 return &gs->gimple_omp_parallel.child_fn;
3696 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */
3699 gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn)
3701 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3702 gs->gimple_omp_parallel.child_fn = child_fn;
3706 /* Return the artificial argument used to send variables and values
3707 from the parent to the children threads in OMP_PARALLEL GS. */
3710 gimple_omp_parallel_data_arg (const_gimple gs)
3712 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3713 return gs->gimple_omp_parallel.data_arg;
3717 /* Return a pointer to the data argument for OMP_PARALLEL GS. */
3719 static inline tree *
3720 gimple_omp_parallel_data_arg_ptr (gimple gs)
3722 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3723 return &gs->gimple_omp_parallel.data_arg;
3727 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */
3730 gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg)
3732 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3733 gs->gimple_omp_parallel.data_arg = data_arg;
3737 /* Return the clauses associated with OMP_TASK GS. */
3740 gimple_omp_task_clauses (const_gimple gs)
3742 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3743 return gs->gimple_omp_parallel.clauses;
3747 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3749 static inline tree *
3750 gimple_omp_task_clauses_ptr (gimple gs)
3752 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3753 return &gs->gimple_omp_parallel.clauses;
3757 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3761 gimple_omp_task_set_clauses (gimple gs, tree clauses)
3763 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3764 gs->gimple_omp_parallel.clauses = clauses;
3768 /* Return the child function used to hold the body of OMP_TASK GS. */
3771 gimple_omp_task_child_fn (const_gimple gs)
3773 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3774 return gs->gimple_omp_parallel.child_fn;
3777 /* Return a pointer to the child function used to hold the body of
3780 static inline tree *
3781 gimple_omp_task_child_fn_ptr (gimple gs)
3783 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3784 return &gs->gimple_omp_parallel.child_fn;
3788 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3791 gimple_omp_task_set_child_fn (gimple gs, tree child_fn)
3793 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3794 gs->gimple_omp_parallel.child_fn = child_fn;
3798 /* Return the artificial argument used to send variables and values
3799 from the parent to the children threads in OMP_TASK GS. */
3802 gimple_omp_task_data_arg (const_gimple gs)
3804 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3805 return gs->gimple_omp_parallel.data_arg;
3809 /* Return a pointer to the data argument for OMP_TASK GS. */
3811 static inline tree *
3812 gimple_omp_task_data_arg_ptr (gimple gs)
3814 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3815 return &gs->gimple_omp_parallel.data_arg;
3819 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3822 gimple_omp_task_set_data_arg (gimple gs, tree data_arg)
3824 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3825 gs->gimple_omp_parallel.data_arg = data_arg;
3829 /* Return the clauses associated with OMP_TASK GS. */
3832 gimple_omp_taskreg_clauses (const_gimple gs)
3834 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3835 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3836 return gs->gimple_omp_parallel.clauses;
3840 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3842 static inline tree *
3843 gimple_omp_taskreg_clauses_ptr (gimple gs)
3845 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3846 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3847 return &gs->gimple_omp_parallel.clauses;
3851 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3855 gimple_omp_taskreg_set_clauses (gimple gs, tree clauses)
3857 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3858 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3859 gs->gimple_omp_parallel.clauses = clauses;
3863 /* Return the child function used to hold the body of OMP_TASK GS. */
3866 gimple_omp_taskreg_child_fn (const_gimple gs)
3868 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3869 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3870 return gs->gimple_omp_parallel.child_fn;
3873 /* Return a pointer to the child function used to hold the body of
3876 static inline tree *
3877 gimple_omp_taskreg_child_fn_ptr (gimple gs)
3879 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3880 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3881 return &gs->gimple_omp_parallel.child_fn;
3885 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3888 gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn)
3890 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3891 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3892 gs->gimple_omp_parallel.child_fn = child_fn;
3896 /* Return the artificial argument used to send variables and values
3897 from the parent to the children threads in OMP_TASK GS. */
3900 gimple_omp_taskreg_data_arg (const_gimple gs)
3902 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3903 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3904 return gs->gimple_omp_parallel.data_arg;
3908 /* Return a pointer to the data argument for OMP_TASK GS. */
3910 static inline tree *
3911 gimple_omp_taskreg_data_arg_ptr (gimple gs)
3913 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3914 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3915 return &gs->gimple_omp_parallel.data_arg;
3919 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3922 gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg)
3924 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3925 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3926 gs->gimple_omp_parallel.data_arg = data_arg;
3930 /* Return the copy function used to hold the body of OMP_TASK GS. */
3933 gimple_omp_task_copy_fn (const_gimple gs)
3935 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3936 return gs->gimple_omp_task.copy_fn;
3939 /* Return a pointer to the copy function used to hold the body of
3942 static inline tree *
3943 gimple_omp_task_copy_fn_ptr (gimple gs)
3945 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3946 return &gs->gimple_omp_task.copy_fn;
3950 /* Set CHILD_FN to be the copy function for OMP_TASK GS. */
3953 gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn)
3955 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3956 gs->gimple_omp_task.copy_fn = copy_fn;
3960 /* Return size of the data block in bytes in OMP_TASK GS. */
3963 gimple_omp_task_arg_size (const_gimple gs)
3965 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3966 return gs->gimple_omp_task.arg_size;
3970 /* Return a pointer to the data block size for OMP_TASK GS. */
3972 static inline tree *
3973 gimple_omp_task_arg_size_ptr (gimple gs)
3975 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3976 return &gs->gimple_omp_task.arg_size;
3980 /* Set ARG_SIZE to be the data block size for OMP_TASK GS. */
3983 gimple_omp_task_set_arg_size (gimple gs, tree arg_size)
3985 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3986 gs->gimple_omp_task.arg_size = arg_size;
3990 /* Return align of the data block in bytes in OMP_TASK GS. */
3993 gimple_omp_task_arg_align (const_gimple gs)
3995 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3996 return gs->gimple_omp_task.arg_align;
4000 /* Return a pointer to the data block align for OMP_TASK GS. */
4002 static inline tree *
4003 gimple_omp_task_arg_align_ptr (gimple gs)
4005 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4006 return &gs->gimple_omp_task.arg_align;
4010 /* Set ARG_SIZE to be the data block align for OMP_TASK GS. */
4013 gimple_omp_task_set_arg_align (gimple gs, tree arg_align)
4015 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4016 gs->gimple_omp_task.arg_align = arg_align;
4020 /* Return the clauses associated with OMP_SINGLE GS. */
4023 gimple_omp_single_clauses (const_gimple gs)
4025 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4026 return gs->gimple_omp_single.clauses;
4030 /* Return a pointer to the clauses associated with OMP_SINGLE GS. */
4032 static inline tree *
4033 gimple_omp_single_clauses_ptr (gimple gs)
4035 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4036 return &gs->gimple_omp_single.clauses;
4040 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */
4043 gimple_omp_single_set_clauses (gimple gs, tree clauses)
4045 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4046 gs->gimple_omp_single.clauses = clauses;
4050 /* Return the clauses associated with OMP_SECTIONS GS. */
4053 gimple_omp_sections_clauses (const_gimple gs)
4055 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4056 return gs->gimple_omp_sections.clauses;
4060 /* Return a pointer to the clauses associated with OMP_SECTIONS GS. */
4062 static inline tree *
4063 gimple_omp_sections_clauses_ptr (gimple gs)
4065 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4066 return &gs->gimple_omp_sections.clauses;
4070 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS
4074 gimple_omp_sections_set_clauses (gimple gs, tree clauses)
4076 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4077 gs->gimple_omp_sections.clauses = clauses;
4081 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS
4085 gimple_omp_sections_control (const_gimple gs)
4087 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4088 return gs->gimple_omp_sections.control;
4092 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS
4095 static inline tree *
4096 gimple_omp_sections_control_ptr (gimple gs)
4098 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4099 return &gs->gimple_omp_sections.control;
4103 /* Set CONTROL to be the set of clauses associated with the
4104 GIMPLE_OMP_SECTIONS in GS. */
4107 gimple_omp_sections_set_control (gimple gs, tree control)
4109 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4110 gs->gimple_omp_sections.control = control;
4114 /* Set COND to be the condition code for OMP_FOR GS. */
4117 gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond)
4119 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4120 gcc_assert (TREE_CODE_CLASS (cond) == tcc_comparison);
4121 gcc_assert (i < gs->gimple_omp_for.collapse);
4122 gs->gimple_omp_for.iter[i].cond = cond;
4126 /* Return the condition code associated with OMP_FOR GS. */
4128 static inline enum tree_code
4129 gimple_omp_for_cond (const_gimple gs, size_t i)
4131 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4132 gcc_assert (i < gs->gimple_omp_for.collapse);
4133 return gs->gimple_omp_for.iter[i].cond;
4137 /* Set the value being stored in an atomic store. */
4140 gimple_omp_atomic_store_set_val (gimple g, tree val)
4142 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4143 g->gimple_omp_atomic_store.val = val;
4147 /* Return the value being stored in an atomic store. */
4150 gimple_omp_atomic_store_val (const_gimple g)
4152 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4153 return g->gimple_omp_atomic_store.val;
4157 /* Return a pointer to the value being stored in an atomic store. */
4159 static inline tree *
4160 gimple_omp_atomic_store_val_ptr (gimple g)
4162 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4163 return &g->gimple_omp_atomic_store.val;
4167 /* Set the LHS of an atomic load. */
4170 gimple_omp_atomic_load_set_lhs (gimple g, tree lhs)
4172 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4173 g->gimple_omp_atomic_load.lhs = lhs;
4177 /* Get the LHS of an atomic load. */
4180 gimple_omp_atomic_load_lhs (const_gimple g)
4182 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4183 return g->gimple_omp_atomic_load.lhs;
4187 /* Return a pointer to the LHS of an atomic load. */
4189 static inline tree *
4190 gimple_omp_atomic_load_lhs_ptr (gimple g)
4192 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4193 return &g->gimple_omp_atomic_load.lhs;
4197 /* Set the RHS of an atomic load. */
4200 gimple_omp_atomic_load_set_rhs (gimple g, tree rhs)
4202 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4203 g->gimple_omp_atomic_load.rhs = rhs;
4207 /* Get the RHS of an atomic load. */
4210 gimple_omp_atomic_load_rhs (const_gimple g)
4212 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4213 return g->gimple_omp_atomic_load.rhs;
4217 /* Return a pointer to the RHS of an atomic load. */
4219 static inline tree *
4220 gimple_omp_atomic_load_rhs_ptr (gimple g)
4222 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4223 return &g->gimple_omp_atomic_load.rhs;
4227 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4230 gimple_omp_continue_control_def (const_gimple g)
4232 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4233 return g->gimple_omp_continue.control_def;
4236 /* The same as above, but return the address. */
4238 static inline tree *
4239 gimple_omp_continue_control_def_ptr (gimple g)
4241 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4242 return &g->gimple_omp_continue.control_def;
4245 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4248 gimple_omp_continue_set_control_def (gimple g, tree def)
4250 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4251 g->gimple_omp_continue.control_def = def;
4255 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4258 gimple_omp_continue_control_use (const_gimple g)
4260 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4261 return g->gimple_omp_continue.control_use;
4265 /* The same as above, but return the address. */
4267 static inline tree *
4268 gimple_omp_continue_control_use_ptr (gimple g)
4270 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4271 return &g->gimple_omp_continue.control_use;
4275 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4278 gimple_omp_continue_set_control_use (gimple g, tree use)
4280 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4281 g->gimple_omp_continue.control_use = use;
4285 /* Return a pointer to the return value for GIMPLE_RETURN GS. */
4287 static inline tree *
4288 gimple_return_retval_ptr (const_gimple gs)
4290 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4291 return gimple_op_ptr (gs, 0);
4294 /* Return the return value for GIMPLE_RETURN GS. */
4297 gimple_return_retval (const_gimple gs)
4299 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4300 return gimple_op (gs, 0);
4304 /* Set RETVAL to be the return value for GIMPLE_RETURN GS. */
4307 gimple_return_set_retval (gimple gs, tree retval)
4309 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4310 gimple_set_op (gs, 0, retval);
4314 /* Returns true when the gimple statment STMT is any of the OpenMP types. */
4316 #define CASE_GIMPLE_OMP \
4317 case GIMPLE_OMP_PARALLEL: \
4318 case GIMPLE_OMP_TASK: \
4319 case GIMPLE_OMP_FOR: \
4320 case GIMPLE_OMP_SECTIONS: \
4321 case GIMPLE_OMP_SECTIONS_SWITCH: \
4322 case GIMPLE_OMP_SINGLE: \
4323 case GIMPLE_OMP_SECTION: \
4324 case GIMPLE_OMP_MASTER: \
4325 case GIMPLE_OMP_ORDERED: \
4326 case GIMPLE_OMP_CRITICAL: \
4327 case GIMPLE_OMP_RETURN: \
4328 case GIMPLE_OMP_ATOMIC_LOAD: \
4329 case GIMPLE_OMP_ATOMIC_STORE: \
4330 case GIMPLE_OMP_CONTINUE
4333 is_gimple_omp (const_gimple stmt)
4335 switch (gimple_code (stmt))
4345 /* Returns TRUE if statement G is a GIMPLE_NOP. */
4348 gimple_nop_p (const_gimple g)
4350 return gimple_code (g) == GIMPLE_NOP;
4354 /* Return true if GS is a GIMPLE_RESX. */
4357 is_gimple_resx (const_gimple gs)
4359 return gimple_code (gs) == GIMPLE_RESX;
4362 /* Return the predictor of GIMPLE_PREDICT statement GS. */
4364 static inline enum br_predictor
4365 gimple_predict_predictor (gimple gs)
4367 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4368 return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN);
4372 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */
4375 gimple_predict_set_predictor (gimple gs, enum br_predictor predictor)
4377 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4378 gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN)
4379 | (unsigned) predictor;
4383 /* Return the outcome of GIMPLE_PREDICT statement GS. */
4385 static inline enum prediction
4386 gimple_predict_outcome (gimple gs)
4388 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4389 return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN;
4393 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */
4396 gimple_predict_set_outcome (gimple gs, enum prediction outcome)
4398 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4399 if (outcome == TAKEN)
4400 gs->gsbase.subcode |= GF_PREDICT_TAKEN;
4402 gs->gsbase.subcode &= ~GF_PREDICT_TAKEN;
4406 /* Return the type of the main expression computed by STMT. Return
4407 void_type_node if the statement computes nothing. */
4410 gimple_expr_type (const_gimple stmt)
4412 enum gimple_code code = gimple_code (stmt);
4414 if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL)
4417 /* In general we want to pass out a type that can be substituted
4418 for both the RHS and the LHS types if there is a possibly
4419 useless conversion involved. That means returning the
4420 original RHS type as far as we can reconstruct it. */
4421 if (code == GIMPLE_CALL)
4422 type = gimple_call_return_type (stmt);
4424 switch (gimple_assign_rhs_code (stmt))
4426 case POINTER_PLUS_EXPR:
4427 type = TREE_TYPE (gimple_assign_rhs1 (stmt));
4431 /* As fallback use the type of the LHS. */
4432 type = TREE_TYPE (gimple_get_lhs (stmt));
4437 else if (code == GIMPLE_COND)
4438 return boolean_type_node;
4440 return void_type_node;
4444 /* Return a new iterator pointing to GIMPLE_SEQ's first statement. */
4446 static inline gimple_stmt_iterator
4447 gsi_start (gimple_seq seq)
4449 gimple_stmt_iterator i;
4451 i.ptr = gimple_seq_first (seq);
4453 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4459 /* Return a new iterator pointing to the first statement in basic block BB. */
4461 static inline gimple_stmt_iterator
4462 gsi_start_bb (basic_block bb)
4464 gimple_stmt_iterator i;
4468 i.ptr = gimple_seq_first (seq);
4476 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */
4478 static inline gimple_stmt_iterator
4479 gsi_last (gimple_seq seq)
4481 gimple_stmt_iterator i;
4483 i.ptr = gimple_seq_last (seq);
4485 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4491 /* Return a new iterator pointing to the last statement in basic block BB. */
4493 static inline gimple_stmt_iterator
4494 gsi_last_bb (basic_block bb)
4496 gimple_stmt_iterator i;
4500 i.ptr = gimple_seq_last (seq);
4508 /* Return true if I is at the end of its sequence. */
4511 gsi_end_p (gimple_stmt_iterator i)
4513 return i.ptr == NULL;
4517 /* Return true if I is one statement before the end of its sequence. */
4520 gsi_one_before_end_p (gimple_stmt_iterator i)
4522 return i.ptr != NULL && i.ptr->next == NULL;
4526 /* Advance the iterator to the next gimple statement. */
4529 gsi_next (gimple_stmt_iterator *i)
4531 i->ptr = i->ptr->next;
4534 /* Advance the iterator to the previous gimple statement. */
4537 gsi_prev (gimple_stmt_iterator *i)
4539 i->ptr = i->ptr->prev;
4542 /* Return the current stmt. */
4544 static inline gimple
4545 gsi_stmt (gimple_stmt_iterator i)
4550 /* Return a block statement iterator that points to the first non-label
4551 statement in block BB. */
4553 static inline gimple_stmt_iterator
4554 gsi_after_labels (basic_block bb)
4556 gimple_stmt_iterator gsi = gsi_start_bb (bb);
4558 while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL)
4564 /* Advance the iterator to the next non-debug gimple statement. */
4567 gsi_next_nondebug (gimple_stmt_iterator *i)
4573 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4576 /* Advance the iterator to the next non-debug gimple statement. */
4579 gsi_prev_nondebug (gimple_stmt_iterator *i)
4585 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
4588 /* Return a new iterator pointing to the first non-debug statement in
4591 static inline gimple_stmt_iterator
4592 gsi_start_nondebug_bb (basic_block bb)
4594 gimple_stmt_iterator i = gsi_start_bb (bb);
4596 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
4597 gsi_next_nondebug (&i);
4602 /* Return a new iterator pointing to the last non-debug statement in
4605 static inline gimple_stmt_iterator
4606 gsi_last_nondebug_bb (basic_block bb)
4608 gimple_stmt_iterator i = gsi_last_bb (bb);
4610 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
4611 gsi_prev_nondebug (&i);
4616 /* Return a pointer to the current stmt.
4618 NOTE: You may want to use gsi_replace on the iterator itself,
4619 as this performs additional bookkeeping that will not be done
4620 if you simply assign through a pointer returned by gsi_stmt_ptr. */
4622 static inline gimple *
4623 gsi_stmt_ptr (gimple_stmt_iterator *i)
4625 return &i->ptr->stmt;
4629 /* Return the basic block associated with this iterator. */
4631 static inline basic_block
4632 gsi_bb (gimple_stmt_iterator i)
4638 /* Return the sequence associated with this iterator. */
4640 static inline gimple_seq
4641 gsi_seq (gimple_stmt_iterator i)
4647 enum gsi_iterator_update
4649 GSI_NEW_STMT, /* Only valid when single statement is added, move
4651 GSI_SAME_STMT, /* Leave the iterator at the same statement. */
4652 GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable
4653 for linking other statements in the same
4657 /* In gimple-iterator.c */
4658 gimple_stmt_iterator gsi_start_phis (basic_block);
4659 gimple_seq gsi_split_seq_after (gimple_stmt_iterator);
4660 gimple_seq gsi_split_seq_before (gimple_stmt_iterator *);
4661 void gsi_replace (gimple_stmt_iterator *, gimple, bool);
4662 void gsi_insert_before (gimple_stmt_iterator *, gimple,
4663 enum gsi_iterator_update);
4664 void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple,
4665 enum gsi_iterator_update);
4666 void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq,
4667 enum gsi_iterator_update);
4668 void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq,
4669 enum gsi_iterator_update);
4670 void gsi_insert_after (gimple_stmt_iterator *, gimple,
4671 enum gsi_iterator_update);
4672 void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple,
4673 enum gsi_iterator_update);
4674 void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq,
4675 enum gsi_iterator_update);
4676 void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq,
4677 enum gsi_iterator_update);
4678 void gsi_remove (gimple_stmt_iterator *, bool);
4679 gimple_stmt_iterator gsi_for_stmt (gimple);
4680 void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *);
4681 void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *);
4682 void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *);
4683 void gsi_insert_on_edge (edge, gimple);
4684 void gsi_insert_seq_on_edge (edge, gimple_seq);
4685 basic_block gsi_insert_on_edge_immediate (edge, gimple);
4686 basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq);
4687 void gsi_commit_one_edge_insert (edge, basic_block *);
4688 void gsi_commit_edge_inserts (void);
4689 gimple gimple_call_copy_skip_args (gimple, bitmap);
4692 /* Convenience routines to walk all statements of a gimple function.
4693 Note that this is useful exclusively before the code is converted
4694 into SSA form. Once the program is in SSA form, the standard
4695 operand interface should be used to analyze/modify statements. */
4696 struct walk_stmt_info
4698 /* Points to the current statement being walked. */
4699 gimple_stmt_iterator gsi;
4701 /* Additional data that the callback functions may want to carry
4702 through the recursion. */
4705 /* Pointer map used to mark visited tree nodes when calling
4706 walk_tree on each operand. If set to NULL, duplicate tree nodes
4707 will be visited more than once. */
4708 struct pointer_set_t *pset;
4710 /* Indicates whether the operand being examined may be replaced
4711 with something that matches is_gimple_val (if true) or something
4712 slightly more complicated (if false). "Something" technically
4713 means the common subset of is_gimple_lvalue and is_gimple_rhs,
4714 but we never try to form anything more complicated than that, so
4715 we don't bother checking.
4717 Also note that CALLBACK should update this flag while walking the
4718 sub-expressions of a statement. For instance, when walking the
4719 statement 'foo (&var)', the flag VAL_ONLY will initially be set
4720 to true, however, when walking &var, the operand of that
4721 ADDR_EXPR does not need to be a GIMPLE value. */
4724 /* True if we are currently walking the LHS of an assignment. */
4727 /* Optional. Set to true by the callback functions if they made any
4731 /* True if we're interested in location information. */
4732 bool want_locations;
4734 /* Operand returned by the callbacks. This is set when calling
4735 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback
4736 returns non-NULL, this field will contain the tree returned by
4737 the last callback. */
4738 tree callback_result;
4741 /* Callback for walk_gimple_stmt. Called for every statement found
4742 during traversal. The first argument points to the statement to
4743 walk. The second argument is a flag that the callback sets to
4744 'true' if it the callback handled all the operands and
4745 sub-statements of the statement (the default value of this flag is
4746 'false'). The third argument is an anonymous pointer to data
4747 to be used by the callback. */
4748 typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *,
4749 struct walk_stmt_info *);
4751 gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn,
4752 struct walk_stmt_info *);
4753 tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn,
4754 struct walk_stmt_info *);
4755 tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *);
4757 #ifdef GATHER_STATISTICS
4758 /* Enum and arrays used for allocation stats. Keep in sync with
4759 gimple.c:gimple_alloc_kind_names. */
4760 enum gimple_alloc_kind
4762 gimple_alloc_kind_assign, /* Assignments. */
4763 gimple_alloc_kind_phi, /* PHI nodes. */
4764 gimple_alloc_kind_cond, /* Conditionals. */
4765 gimple_alloc_kind_seq, /* Sequences. */
4766 gimple_alloc_kind_rest, /* Everything else. */
4767 gimple_alloc_kind_all
4770 extern int gimple_alloc_counts[];
4771 extern int gimple_alloc_sizes[];
4773 /* Return the allocation kind for a given stmt CODE. */
4774 static inline enum gimple_alloc_kind
4775 gimple_alloc_kind (enum gimple_code code)
4780 return gimple_alloc_kind_assign;
4782 return gimple_alloc_kind_phi;
4784 return gimple_alloc_kind_cond;
4786 return gimple_alloc_kind_rest;
4789 #endif /* GATHER_STATISTICS */
4791 extern void dump_gimple_statistics (void);
4793 /* In gimple-fold.c. */
4794 void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree);
4795 tree gimple_fold_builtin (gimple);
4796 bool fold_stmt (gimple_stmt_iterator *);
4797 bool fold_stmt_inplace (gimple);
4798 tree maybe_fold_offset_to_reference (location_t, tree, tree, tree);
4799 tree maybe_fold_offset_to_address (location_t, tree, tree, tree);
4800 tree maybe_fold_stmt_addition (location_t, tree, tree, tree);
4801 tree get_symbol_constant_value (tree);
4802 bool may_propagate_address_into_dereference (tree, tree);
4805 #endif /* GCC_GIMPLE_H */