1 /* Gimple IR definitions.
3 Copyright 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
4 Contributed by Aldy Hernandez <aldyh@redhat.com>
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 3, or (at your option) any later
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
25 #include "pointer-set.h"
30 #include "basic-block.h"
32 #include "tree-ssa-operands.h"
33 #include "tree-ssa-alias.h"
34 #include "internal-fn.h"
36 typedef gimple gimple_seq_node;
38 /* For each block, the PHI nodes that need to be rewritten are stored into
40 typedef VEC(gimple, heap) *gimple_vec;
41 DEF_VEC_P (gimple_vec);
42 DEF_VEC_ALLOC_P (gimple_vec, heap);
45 #define DEFGSCODE(SYM, STRING, STRUCT) SYM,
48 LAST_AND_UNUSED_GIMPLE_CODE
51 extern const char *const gimple_code_name[];
52 extern const unsigned char gimple_rhs_class_table[];
54 /* Error out if a gimple tuple is addressed incorrectly. */
55 #if defined ENABLE_GIMPLE_CHECKING
56 #define gcc_gimple_checking_assert(EXPR) gcc_assert (EXPR)
57 extern void gimple_check_failed (const_gimple, const char *, int, \
58 const char *, enum gimple_code, \
59 enum tree_code) ATTRIBUTE_NORETURN;
61 #define GIMPLE_CHECK(GS, CODE) \
63 const_gimple __gs = (GS); \
64 if (gimple_code (__gs) != (CODE)) \
65 gimple_check_failed (__gs, __FILE__, __LINE__, __FUNCTION__, \
66 (CODE), ERROR_MARK); \
68 #else /* not ENABLE_GIMPLE_CHECKING */
69 #define gcc_gimple_checking_assert(EXPR) ((void)(0 && (EXPR)))
70 #define GIMPLE_CHECK(GS, CODE) (void)0
73 /* Class of GIMPLE expressions suitable for the RHS of assignments. See
74 get_gimple_rhs_class. */
77 GIMPLE_INVALID_RHS, /* The expression cannot be used on the RHS. */
78 GIMPLE_TERNARY_RHS, /* The expression is a ternary operation. */
79 GIMPLE_BINARY_RHS, /* The expression is a binary operation. */
80 GIMPLE_UNARY_RHS, /* The expression is a unary operation. */
81 GIMPLE_SINGLE_RHS /* The expression is a single object (an SSA
82 name, a _DECL, a _REF, etc. */
85 /* Specific flags for individual GIMPLE statements. These flags are
86 always stored in gimple_statement_base.subcode and they may only be
87 defined for statement codes that do not use sub-codes.
89 Values for the masks can overlap as long as the overlapping values
90 are never used in the same statement class.
92 The maximum mask value that can be defined is 1 << 15 (i.e., each
93 statement code can hold up to 16 bitflags).
95 Keep this list sorted. */
97 GF_ASM_INPUT = 1 << 0,
98 GF_ASM_VOLATILE = 1 << 1,
99 GF_CALL_FROM_THUNK = 1 << 0,
100 GF_CALL_RETURN_SLOT_OPT = 1 << 1,
101 GF_CALL_TAILCALL = 1 << 2,
102 GF_CALL_VA_ARG_PACK = 1 << 3,
103 GF_CALL_NOTHROW = 1 << 4,
104 GF_CALL_ALLOCA_FOR_VAR = 1 << 5,
105 GF_CALL_INTERNAL = 1 << 6,
106 GF_OMP_PARALLEL_COMBINED = 1 << 0,
108 /* True on an GIMPLE_OMP_RETURN statement if the return does not require
109 a thread synchronization via some sort of barrier. The exact barrier
110 that would otherwise be emitted is dependent on the OMP statement with
111 which this return is associated. */
112 GF_OMP_RETURN_NOWAIT = 1 << 0,
114 GF_OMP_SECTION_LAST = 1 << 0,
115 GF_OMP_ATOMIC_NEED_VALUE = 1 << 0,
116 GF_PREDICT_TAKEN = 1 << 15
119 /* Currently, there are only two types of gimple debug stmt. Others are
120 envisioned, for example, to enable the generation of is_stmt notes
121 in line number information, to mark sequence points, etc. This
122 subcode is to be used to tell them apart. */
123 enum gimple_debug_subcode {
124 GIMPLE_DEBUG_BIND = 0,
125 GIMPLE_DEBUG_SOURCE_BIND = 1
128 /* Masks for selecting a pass local flag (PLF) to work on. These
129 masks are used by gimple_set_plf and gimple_plf. */
135 /* Iterator object for GIMPLE statement sequences. */
139 /* Sequence node holding the current statement. */
142 /* Sequence and basic block holding the statement. These fields
143 are necessary to handle edge cases such as when statement is
144 added to an empty basic block or when the last statement of a
145 block/sequence is removed. */
148 } gimple_stmt_iterator;
151 /* Data structure definitions for GIMPLE tuples. NOTE: word markers
152 are for 64 bit hosts. */
154 struct GTY(()) gimple_statement_base {
156 Main identifying code for a tuple. */
157 ENUM_BITFIELD(gimple_code) code : 8;
159 /* Nonzero if a warning should not be emitted on this tuple. */
160 unsigned int no_warning : 1;
162 /* Nonzero if this tuple has been visited. Passes are responsible
163 for clearing this bit before using it. */
164 unsigned int visited : 1;
166 /* Nonzero if this tuple represents a non-temporal move. */
167 unsigned int nontemporal_move : 1;
169 /* Pass local flags. These flags are free for any pass to use as
170 they see fit. Passes should not assume that these flags contain
171 any useful value when the pass starts. Any initial state that
172 the pass requires should be set on entry to the pass. See
173 gimple_set_plf and gimple_plf for usage. */
174 unsigned int plf : 2;
176 /* Nonzero if this statement has been modified and needs to have its
177 operands rescanned. */
178 unsigned modified : 1;
180 /* Nonzero if this statement contains volatile operands. */
181 unsigned has_volatile_ops : 1;
183 /* The SUBCODE field can be used for tuple-specific flags for tuples
184 that do not require subcodes. Note that SUBCODE should be at
185 least as wide as tree codes, as several tuples store tree codes
187 unsigned int subcode : 16;
189 /* UID of this statement. This is used by passes that want to
190 assign IDs to statements. It must be assigned and used by each
191 pass. By default it should be assumed to contain garbage. */
195 Locus information for debug info. */
198 /* Number of operands in this tuple. */
202 Basic block holding this statement. */
206 Linked lists of gimple statements. The next pointers form
207 a NULL terminated list, the prev pointers are a cyclic list.
208 A gimple statement is hence also a double-ended list of
209 statements, with the pointer itself being the first element,
210 and the prev pointer being the last. */
212 gimple GTY((skip)) prev;
215 Lexical block holding this statement. */
220 /* Base structure for tuples with operands. */
222 struct GTY(()) gimple_statement_with_ops_base
225 struct gimple_statement_base gsbase;
228 SSA operand vectors. NOTE: It should be possible to
229 amalgamate these vectors with the operand vector OP. However,
230 the SSA operand vectors are organized differently and contain
231 more information (like immediate use chaining). */
232 struct def_optype_d GTY((skip (""))) *def_ops;
233 struct use_optype_d GTY((skip (""))) *use_ops;
237 /* Statements that take register operands. */
239 struct GTY(()) gimple_statement_with_ops
242 struct gimple_statement_with_ops_base opbase;
245 Operand vector. NOTE! This must always be the last field
246 of this structure. In particular, this means that this
247 structure cannot be embedded inside another one. */
248 tree GTY((length ("%h.opbase.gsbase.num_ops"))) op[1];
252 /* Base for statements that take both memory and register operands. */
254 struct GTY(()) gimple_statement_with_memory_ops_base
257 struct gimple_statement_with_ops_base opbase;
260 Virtual operands for this statement. The GC will pick them
261 up via the ssa_names array. */
262 tree GTY((skip (""))) vdef;
263 tree GTY((skip (""))) vuse;
267 /* Statements that take both memory and register operands. */
269 struct GTY(()) gimple_statement_with_memory_ops
272 struct gimple_statement_with_memory_ops_base membase;
275 Operand vector. NOTE! This must always be the last field
276 of this structure. In particular, this means that this
277 structure cannot be embedded inside another one. */
278 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
282 /* Call statements that take both memory and register operands. */
284 struct GTY(()) gimple_statement_call
287 struct gimple_statement_with_memory_ops_base membase;
290 struct pt_solution call_used;
291 struct pt_solution call_clobbered;
294 union GTY ((desc ("%1.membase.opbase.gsbase.subcode & GF_CALL_INTERNAL"))) {
295 tree GTY ((tag ("0"))) fntype;
296 enum internal_fn GTY ((tag ("GF_CALL_INTERNAL"))) internal_fn;
300 Operand vector. NOTE! This must always be the last field
301 of this structure. In particular, this means that this
302 structure cannot be embedded inside another one. */
303 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
307 /* OpenMP statements (#pragma omp). */
309 struct GTY(()) gimple_statement_omp {
311 struct gimple_statement_base gsbase;
320 struct GTY(()) gimple_statement_bind {
322 struct gimple_statement_base gsbase;
325 Variables declared in this scope. */
329 This is different than the BLOCK field in gimple_statement_base,
330 which is analogous to TREE_BLOCK (i.e., the lexical block holding
331 this statement). This field is the equivalent of BIND_EXPR_BLOCK
332 in tree land (i.e., the lexical scope defined by this bind). See
343 struct GTY(()) gimple_statement_catch {
345 struct gimple_statement_base gsbase;
355 /* GIMPLE_EH_FILTER */
357 struct GTY(()) gimple_statement_eh_filter {
359 struct gimple_statement_base gsbase;
372 struct GTY(()) gimple_statement_eh_else {
374 struct gimple_statement_base gsbase;
377 gimple_seq n_body, e_body;
380 /* GIMPLE_EH_MUST_NOT_THROW */
382 struct GTY(()) gimple_statement_eh_mnt {
384 struct gimple_statement_base gsbase;
386 /* [ WORD 7 ] Abort function decl. */
392 struct GTY(()) gimple_statement_phi {
394 struct gimple_statement_base gsbase;
404 struct phi_arg_d GTY ((length ("%h.nargs"))) args[1];
408 /* GIMPLE_RESX, GIMPLE_EH_DISPATCH */
410 struct GTY(()) gimple_statement_eh_ctrl
413 struct gimple_statement_base gsbase;
416 Exception region number. */
423 struct GTY(()) gimple_statement_try {
425 struct gimple_statement_base gsbase;
428 Expression to evaluate. */
432 Cleanup expression. */
436 /* Kind of GIMPLE_TRY statements. */
437 enum gimple_try_flags
440 GIMPLE_TRY_CATCH = 1 << 0,
443 GIMPLE_TRY_FINALLY = 1 << 1,
444 GIMPLE_TRY_KIND = GIMPLE_TRY_CATCH | GIMPLE_TRY_FINALLY,
446 /* Analogous to TRY_CATCH_IS_CLEANUP. */
447 GIMPLE_TRY_CATCH_IS_CLEANUP = 1 << 2
450 /* GIMPLE_WITH_CLEANUP_EXPR */
452 struct GTY(()) gimple_statement_wce {
454 struct gimple_statement_base gsbase;
456 /* Subcode: CLEANUP_EH_ONLY. True if the cleanup should only be
457 executed if an exception is thrown, not on normal exit of its
458 scope. This flag is analogous to the CLEANUP_EH_ONLY flag
462 Cleanup expression. */
469 struct GTY(()) gimple_statement_asm
472 struct gimple_statement_with_memory_ops_base membase;
475 __asm__ statement. */
479 Number of inputs, outputs, clobbers, labels. */
486 Operand vector. NOTE! This must always be the last field
487 of this structure. In particular, this means that this
488 structure cannot be embedded inside another one. */
489 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
492 /* GIMPLE_OMP_CRITICAL */
494 struct GTY(()) gimple_statement_omp_critical {
496 struct gimple_statement_omp omp;
499 Critical section name. */
504 struct GTY(()) gimple_omp_for_iter {
505 /* Condition code. */
508 /* Index variable. */
523 struct GTY(()) gimple_statement_omp_for {
525 struct gimple_statement_omp omp;
531 Number of elements in iter array. */
535 struct gimple_omp_for_iter * GTY((length ("%h.collapse"))) iter;
538 Pre-body evaluated before the loop body begins. */
543 /* GIMPLE_OMP_PARALLEL */
545 struct GTY(()) gimple_statement_omp_parallel {
547 struct gimple_statement_omp omp;
554 Child function holding the body of the parallel region. */
558 Shared data argument. */
563 /* GIMPLE_OMP_TASK */
565 struct GTY(()) gimple_statement_omp_task {
567 struct gimple_statement_omp_parallel par;
570 Child function holding firstprivate initialization if needed. */
574 Size and alignment in bytes of the argument data block. */
580 /* GIMPLE_OMP_SECTION */
581 /* Uses struct gimple_statement_omp. */
584 /* GIMPLE_OMP_SECTIONS */
586 struct GTY(()) gimple_statement_omp_sections {
588 struct gimple_statement_omp omp;
594 The control variable used for deciding which of the sections to
599 /* GIMPLE_OMP_CONTINUE.
601 Note: This does not inherit from gimple_statement_omp, because we
602 do not need the body field. */
604 struct GTY(()) gimple_statement_omp_continue {
606 struct gimple_statement_base gsbase;
615 /* GIMPLE_OMP_SINGLE */
617 struct GTY(()) gimple_statement_omp_single {
619 struct gimple_statement_omp omp;
626 /* GIMPLE_OMP_ATOMIC_LOAD.
627 Note: This is based on gimple_statement_base, not g_s_omp, because g_s_omp
628 contains a sequence, which we don't need here. */
630 struct GTY(()) gimple_statement_omp_atomic_load {
632 struct gimple_statement_base gsbase;
638 /* GIMPLE_OMP_ATOMIC_STORE.
639 See note on GIMPLE_OMP_ATOMIC_LOAD. */
641 struct GTY(()) gimple_statement_omp_atomic_store {
643 struct gimple_statement_base gsbase;
649 /* GIMPLE_TRANSACTION. */
651 /* Bits to be stored in the GIMPLE_TRANSACTION subcode. */
653 /* The __transaction_atomic was declared [[outer]] or it is
654 __transaction_relaxed. */
655 #define GTMA_IS_OUTER (1u << 0)
656 #define GTMA_IS_RELAXED (1u << 1)
657 #define GTMA_DECLARATION_MASK (GTMA_IS_OUTER | GTMA_IS_RELAXED)
659 /* The transaction is seen to not have an abort. */
660 #define GTMA_HAVE_ABORT (1u << 2)
661 /* The transaction is seen to have loads or stores. */
662 #define GTMA_HAVE_LOAD (1u << 3)
663 #define GTMA_HAVE_STORE (1u << 4)
664 /* The transaction MAY enter serial irrevocable mode in its dynamic scope. */
665 #define GTMA_MAY_ENTER_IRREVOCABLE (1u << 5)
666 /* The transaction WILL enter serial irrevocable mode.
667 An irrevocable block post-dominates the entire transaction, such
668 that all invocations of the transaction will go serial-irrevocable.
669 In such case, we don't bother instrumenting the transaction, and
670 tell the runtime that it should begin the transaction in
671 serial-irrevocable mode. */
672 #define GTMA_DOES_GO_IRREVOCABLE (1u << 6)
674 struct GTY(()) gimple_statement_transaction
677 struct gimple_statement_with_memory_ops_base gsbase;
686 #define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) SYM,
687 enum gimple_statement_structure_enum {
688 #include "gsstruct.def"
694 /* Define the overall contents of a gimple tuple. It may be any of the
695 structures declared above for various types of tuples. */
697 union GTY ((desc ("gimple_statement_structure (&%h)"),
698 chain_next ("%h.gsbase.next"), variable_size)) gimple_statement_d {
699 struct gimple_statement_base GTY ((tag ("GSS_BASE"))) gsbase;
700 struct gimple_statement_with_ops GTY ((tag ("GSS_WITH_OPS"))) gsops;
701 struct gimple_statement_with_memory_ops_base GTY ((tag ("GSS_WITH_MEM_OPS_BASE"))) gsmembase;
702 struct gimple_statement_with_memory_ops GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem;
703 struct gimple_statement_call GTY ((tag ("GSS_CALL"))) gimple_call;
704 struct gimple_statement_omp GTY ((tag ("GSS_OMP"))) omp;
705 struct gimple_statement_bind GTY ((tag ("GSS_BIND"))) gimple_bind;
706 struct gimple_statement_catch GTY ((tag ("GSS_CATCH"))) gimple_catch;
707 struct gimple_statement_eh_filter GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter;
708 struct gimple_statement_eh_mnt GTY ((tag ("GSS_EH_MNT"))) gimple_eh_mnt;
709 struct gimple_statement_eh_else GTY ((tag ("GSS_EH_ELSE"))) gimple_eh_else;
710 struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi;
711 struct gimple_statement_eh_ctrl GTY ((tag ("GSS_EH_CTRL"))) gimple_eh_ctrl;
712 struct gimple_statement_try GTY ((tag ("GSS_TRY"))) gimple_try;
713 struct gimple_statement_wce GTY ((tag ("GSS_WCE"))) gimple_wce;
714 struct gimple_statement_asm GTY ((tag ("GSS_ASM"))) gimple_asm;
715 struct gimple_statement_omp_critical GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical;
716 struct gimple_statement_omp_for GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for;
717 struct gimple_statement_omp_parallel GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel;
718 struct gimple_statement_omp_task GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task;
719 struct gimple_statement_omp_sections GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections;
720 struct gimple_statement_omp_single GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single;
721 struct gimple_statement_omp_continue GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue;
722 struct gimple_statement_omp_atomic_load GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load;
723 struct gimple_statement_omp_atomic_store GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store;
724 struct gimple_statement_transaction GTY((tag ("GSS_TRANSACTION"))) gimple_transaction;
729 /* Offset in bytes to the location of the operand vector.
730 Zero if there is no operand vector for this tuple structure. */
731 extern size_t const gimple_ops_offset_[];
733 /* Map GIMPLE codes to GSS codes. */
734 extern enum gimple_statement_structure_enum const gss_for_code_[];
736 /* This variable holds the currently expanded gimple statement for purposes
737 of comminucating the profile info to the builtin expanders. */
738 extern gimple currently_expanding_gimple_stmt;
740 gimple gimple_build_return (tree);
742 gimple gimple_build_assign_stat (tree, tree MEM_STAT_DECL);
743 #define gimple_build_assign(l,r) gimple_build_assign_stat (l, r MEM_STAT_INFO)
745 void extract_ops_from_tree_1 (tree, enum tree_code *, tree *, tree *, tree *);
747 gimple gimple_build_assign_with_ops_stat (enum tree_code, tree, tree,
748 tree, tree MEM_STAT_DECL);
749 #define gimple_build_assign_with_ops(c,o1,o2,o3) \
750 gimple_build_assign_with_ops_stat (c, o1, o2, o3, NULL_TREE MEM_STAT_INFO)
751 #define gimple_build_assign_with_ops3(c,o1,o2,o3,o4) \
752 gimple_build_assign_with_ops_stat (c, o1, o2, o3, o4 MEM_STAT_INFO)
754 gimple gimple_build_debug_bind_stat (tree, tree, gimple MEM_STAT_DECL);
755 #define gimple_build_debug_bind(var,val,stmt) \
756 gimple_build_debug_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
757 gimple gimple_build_debug_source_bind_stat (tree, tree, gimple MEM_STAT_DECL);
758 #define gimple_build_debug_source_bind(var,val,stmt) \
759 gimple_build_debug_source_bind_stat ((var), (val), (stmt) MEM_STAT_INFO)
761 gimple gimple_build_call_vec (tree, VEC(tree, heap) *);
762 gimple gimple_build_call (tree, unsigned, ...);
763 gimple gimple_build_call_valist (tree, unsigned, va_list);
764 gimple gimple_build_call_internal (enum internal_fn, unsigned, ...);
765 gimple gimple_build_call_internal_vec (enum internal_fn, VEC(tree, heap) *);
766 gimple gimple_build_call_from_tree (tree);
767 gimple gimplify_assign (tree, tree, gimple_seq *);
768 gimple gimple_build_cond (enum tree_code, tree, tree, tree, tree);
769 gimple gimple_build_label (tree label);
770 gimple gimple_build_goto (tree dest);
771 gimple gimple_build_nop (void);
772 gimple gimple_build_bind (tree, gimple_seq, tree);
773 gimple gimple_build_asm_vec (const char *, VEC(tree,gc) *, VEC(tree,gc) *,
774 VEC(tree,gc) *, VEC(tree,gc) *);
775 gimple gimple_build_catch (tree, gimple_seq);
776 gimple gimple_build_eh_filter (tree, gimple_seq);
777 gimple gimple_build_eh_must_not_throw (tree);
778 gimple gimple_build_eh_else (gimple_seq, gimple_seq);
779 gimple gimple_build_try (gimple_seq, gimple_seq, enum gimple_try_flags);
780 gimple gimple_build_wce (gimple_seq);
781 gimple gimple_build_resx (int);
782 gimple gimple_build_eh_dispatch (int);
783 gimple gimple_build_switch_nlabels (unsigned, tree, tree);
784 gimple gimple_build_switch (unsigned, tree, tree, ...);
785 gimple gimple_build_switch_vec (tree, tree, VEC(tree,heap) *);
786 gimple gimple_build_omp_parallel (gimple_seq, tree, tree, tree);
787 gimple gimple_build_omp_task (gimple_seq, tree, tree, tree, tree, tree, tree);
788 gimple gimple_build_omp_for (gimple_seq, tree, size_t, gimple_seq);
789 gimple gimple_build_omp_critical (gimple_seq, tree);
790 gimple gimple_build_omp_section (gimple_seq);
791 gimple gimple_build_omp_continue (tree, tree);
792 gimple gimple_build_omp_master (gimple_seq);
793 gimple gimple_build_omp_return (bool);
794 gimple gimple_build_omp_ordered (gimple_seq);
795 gimple gimple_build_omp_sections (gimple_seq, tree);
796 gimple gimple_build_omp_sections_switch (void);
797 gimple gimple_build_omp_single (gimple_seq, tree);
798 gimple gimple_build_cdt (tree, tree);
799 gimple gimple_build_omp_atomic_load (tree, tree);
800 gimple gimple_build_omp_atomic_store (tree);
801 gimple gimple_build_transaction (gimple_seq, tree);
802 gimple gimple_build_predict (enum br_predictor, enum prediction);
803 enum gimple_statement_structure_enum gss_for_assign (enum tree_code);
804 void sort_case_labels (VEC(tree,heap) *);
805 void preprocess_case_label_vec_for_gimple (VEC(tree,heap) *, tree, tree *);
806 void gimple_set_body (tree, gimple_seq);
807 gimple_seq gimple_body (tree);
808 bool gimple_has_body_p (tree);
809 gimple_seq gimple_seq_alloc (void);
810 void gimple_seq_free (gimple_seq);
811 void gimple_seq_add_seq (gimple_seq *, gimple_seq);
812 gimple_seq gimple_seq_copy (gimple_seq);
813 bool gimple_call_same_target_p (const_gimple, const_gimple);
814 int gimple_call_flags (const_gimple);
815 int gimple_call_return_flags (const_gimple);
816 int gimple_call_arg_flags (const_gimple, unsigned);
817 void gimple_call_reset_alias_info (gimple);
818 bool gimple_assign_copy_p (gimple);
819 bool gimple_assign_ssa_name_copy_p (gimple);
820 bool gimple_assign_unary_nop_p (gimple);
821 void gimple_set_bb (gimple, basic_block);
822 void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree);
823 void gimple_assign_set_rhs_with_ops_1 (gimple_stmt_iterator *, enum tree_code,
825 tree gimple_get_lhs (const_gimple);
826 void gimple_set_lhs (gimple, tree);
827 void gimple_replace_lhs (gimple, tree);
828 gimple gimple_copy (gimple);
829 void gimple_cond_get_ops_from_tree (tree, enum tree_code *, tree *, tree *);
830 gimple gimple_build_cond_from_tree (tree, tree, tree);
831 void gimple_cond_set_condition_from_tree (gimple, tree);
832 bool gimple_has_side_effects (const_gimple);
833 bool gimple_could_trap_p (gimple);
834 bool gimple_could_trap_p_1 (gimple, bool, bool);
835 bool gimple_assign_rhs_could_trap_p (gimple);
836 void gimple_regimplify_operands (gimple, gimple_stmt_iterator *);
837 bool empty_body_p (gimple_seq);
838 unsigned get_gimple_rhs_num_ops (enum tree_code);
839 #define gimple_alloc(c, n) gimple_alloc_stat (c, n MEM_STAT_INFO)
840 gimple gimple_alloc_stat (enum gimple_code, unsigned MEM_STAT_DECL);
841 const char *gimple_decl_printable_name (tree, int);
842 tree gimple_get_virt_method_for_binfo (HOST_WIDE_INT, tree);
843 tree gimple_extract_devirt_binfo_from_cst (tree);
845 /* Returns true iff T is a scalar register variable. */
846 extern bool is_gimple_reg (tree);
847 /* Returns true iff T is any sort of variable. */
848 extern bool is_gimple_variable (tree);
849 /* Returns true iff T is any sort of symbol. */
850 extern bool is_gimple_id (tree);
851 /* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */
852 extern bool is_gimple_min_lval (tree);
853 /* Returns true iff T is something whose address can be taken. */
854 extern bool is_gimple_addressable (tree);
855 /* Returns true iff T is any valid GIMPLE lvalue. */
856 extern bool is_gimple_lvalue (tree);
858 /* Returns true iff T is a GIMPLE address. */
859 bool is_gimple_address (const_tree);
860 /* Returns true iff T is a GIMPLE invariant address. */
861 bool is_gimple_invariant_address (const_tree);
862 /* Returns true iff T is a GIMPLE invariant address at interprocedural
864 bool is_gimple_ip_invariant_address (const_tree);
865 /* Returns true iff T is a valid GIMPLE constant. */
866 bool is_gimple_constant (const_tree);
867 /* Returns true iff T is a GIMPLE restricted function invariant. */
868 extern bool is_gimple_min_invariant (const_tree);
869 /* Returns true iff T is a GIMPLE restricted interprecodural invariant. */
870 extern bool is_gimple_ip_invariant (const_tree);
871 /* Returns true iff T is a GIMPLE rvalue. */
872 extern bool is_gimple_val (tree);
873 /* Returns true iff T is a GIMPLE asm statement input. */
874 extern bool is_gimple_asm_val (tree);
875 /* Returns true iff T is a valid address operand of a MEM_REF. */
876 bool is_gimple_mem_ref_addr (tree);
878 /* Returns true iff T is a valid if-statement condition. */
879 extern bool is_gimple_condexpr (tree);
881 /* Returns true iff T is a valid call address expression. */
882 extern bool is_gimple_call_addr (tree);
884 extern void recalculate_side_effects (tree);
885 extern bool gimple_compare_field_offset (tree, tree);
886 extern tree gimple_register_type (tree);
887 extern tree gimple_register_canonical_type (tree);
888 extern void print_gimple_types_stats (void);
889 extern void free_gimple_type_tables (void);
890 extern tree gimple_unsigned_type (tree);
891 extern tree gimple_signed_type (tree);
892 extern alias_set_type gimple_get_alias_set (tree);
893 extern void count_uses_and_derefs (tree, gimple, unsigned *, unsigned *,
895 extern bool walk_stmt_load_store_addr_ops (gimple, void *,
896 bool (*)(gimple, tree, void *),
897 bool (*)(gimple, tree, void *),
898 bool (*)(gimple, tree, void *));
899 extern bool walk_stmt_load_store_ops (gimple, void *,
900 bool (*)(gimple, tree, void *),
901 bool (*)(gimple, tree, void *));
902 extern bool gimple_ior_addresses_taken (bitmap, gimple);
903 extern bool gimple_call_builtin_p (gimple, enum built_in_function);
904 extern bool gimple_asm_clobbers_memory_p (const_gimple);
907 extern tree create_tmp_var_raw (tree, const char *);
908 extern tree create_tmp_var_name (const char *);
909 extern tree create_tmp_var (tree, const char *);
910 extern tree create_tmp_reg (tree, const char *);
911 extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *);
912 extern tree get_formal_tmp_var (tree, gimple_seq *);
913 extern void declare_vars (tree, gimple, bool);
914 extern void annotate_all_with_location (gimple_seq, location_t);
916 /* Validation of GIMPLE expressions. Note that these predicates only check
917 the basic form of the expression, they don't recurse to make sure that
918 underlying nodes are also of the right form. */
919 typedef bool (*gimple_predicate)(tree);
922 /* FIXME we should deduce this from the predicate. */
924 fb_none = 0, /* Do not generate a temporary. */
926 fb_rvalue = 1, /* Generate an rvalue to hold the result of a
927 gimplified expression. */
929 fb_lvalue = 2, /* Generate an lvalue to hold the result of a
930 gimplified expression. */
932 fb_mayfail = 4, /* Gimplification may fail. Error issued
934 fb_either= fb_rvalue | fb_lvalue
937 typedef int fallback_t;
939 enum gimplify_status {
940 GS_ERROR = -2, /* Something Bad Seen. */
941 GS_UNHANDLED = -1, /* A langhook result for "I dunno". */
942 GS_OK = 0, /* We did something, maybe more to do. */
943 GS_ALL_DONE = 1 /* The expression is fully gimplified. */
948 struct gimplify_ctx *prev_context;
950 VEC(gimple,heap) *bind_expr_stack;
952 gimple_seq conditional_cleanups;
956 VEC(tree,heap) *case_labels;
957 /* The formal temporary table. Should this be persistent? */
963 bool allow_rhs_cond_expr;
964 bool in_cleanup_point_expr;
967 extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *,
968 bool (*) (tree), fallback_t);
969 extern void gimplify_type_sizes (tree, gimple_seq *);
970 extern void gimplify_one_sizepos (tree *, gimple_seq *);
971 extern bool gimplify_stmt (tree *, gimple_seq *);
972 extern gimple gimplify_body (tree, bool);
973 extern void push_gimplify_context (struct gimplify_ctx *);
974 extern void pop_gimplify_context (gimple);
975 extern void gimplify_and_add (tree, gimple_seq *);
977 /* Miscellaneous helpers. */
978 extern void gimple_add_tmp_var (tree);
979 extern gimple gimple_current_bind_expr (void);
980 extern VEC(gimple, heap) *gimple_bind_expr_stack (void);
981 extern tree voidify_wrapper_expr (tree, tree);
982 extern tree build_and_jump (tree *);
983 extern tree force_labels_r (tree *, int *, void *);
984 extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *,
986 struct gimplify_omp_ctx;
987 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree);
988 extern tree gimple_boolify (tree);
989 extern gimple_predicate rhs_predicate_for (tree);
990 extern tree canonicalize_cond_expr_cond (tree);
993 extern tree omp_reduction_init (tree, tree);
995 /* In trans-mem.c. */
996 extern void diagnose_tm_safe_errors (tree);
997 extern void compute_transaction_bits (void);
999 /* In tree-nested.c. */
1000 extern void lower_nested_functions (tree);
1001 extern void insert_field_into_struct (tree, tree);
1003 /* In gimplify.c. */
1004 extern void gimplify_function_tree (tree);
1006 /* In cfgexpand.c. */
1007 extern tree gimple_assign_rhs_to_tree (gimple);
1010 extern bool validate_gimple_arglist (const_gimple, ...);
1013 extern bool tree_ssa_useless_type_conversion (tree);
1014 extern tree tree_ssa_strip_useless_type_conversions (tree);
1015 extern bool useless_type_conversion_p (tree, tree);
1016 extern bool types_compatible_p (tree, tree);
1018 /* Return the first node in GIMPLE sequence S. */
1020 static inline gimple_seq_node
1021 gimple_seq_first (gimple_seq s)
1027 /* Return the first statement in GIMPLE sequence S. */
1029 static inline gimple
1030 gimple_seq_first_stmt (gimple_seq s)
1032 gimple_seq_node n = gimple_seq_first (s);
1037 /* Return the last node in GIMPLE sequence S. */
1039 static inline gimple_seq_node
1040 gimple_seq_last (gimple_seq s)
1042 return s ? s->gsbase.prev : NULL;
1046 /* Return the last statement in GIMPLE sequence S. */
1048 static inline gimple
1049 gimple_seq_last_stmt (gimple_seq s)
1051 gimple_seq_node n = gimple_seq_last (s);
1056 /* Set the last node in GIMPLE sequence *PS to LAST. */
1059 gimple_seq_set_last (gimple_seq *ps, gimple_seq_node last)
1061 (*ps)->gsbase.prev = last;
1065 /* Set the first node in GIMPLE sequence *PS to FIRST. */
1068 gimple_seq_set_first (gimple_seq *ps, gimple_seq_node first)
1074 /* Return true if GIMPLE sequence S is empty. */
1077 gimple_seq_empty_p (gimple_seq s)
1083 void gimple_seq_add_stmt (gimple_seq *, gimple);
1085 /* Link gimple statement GS to the end of the sequence *SEQ_P. If
1086 *SEQ_P is NULL, a new sequence is allocated. This function is
1087 similar to gimple_seq_add_stmt, but does not scan the operands.
1088 During gimplification, we need to manipulate statement sequences
1089 before the def/use vectors have been constructed. */
1090 void gimple_seq_add_stmt_without_update (gimple_seq *, gimple);
1092 /* Allocate a new sequence and initialize its first element with STMT. */
1094 static inline gimple_seq
1095 gimple_seq_alloc_with_stmt (gimple stmt)
1097 gimple_seq seq = NULL;
1098 gimple_seq_add_stmt (&seq, stmt);
1103 /* Returns the sequence of statements in BB. */
1105 static inline gimple_seq
1106 bb_seq (const_basic_block bb)
1108 return (!(bb->flags & BB_RTL)) ? bb->il.gimple.seq : NULL;
1111 static inline gimple_seq *
1112 bb_seq_addr (basic_block bb)
1114 return (!(bb->flags & BB_RTL)) ? &bb->il.gimple.seq : NULL;
1117 /* Sets the sequence of statements in BB to SEQ. */
1120 set_bb_seq (basic_block bb, gimple_seq seq)
1122 gcc_checking_assert (!(bb->flags & BB_RTL));
1123 bb->il.gimple.seq = seq;
1127 /* Return the code for GIMPLE statement G. */
1129 static inline enum gimple_code
1130 gimple_code (const_gimple g)
1132 return g->gsbase.code;
1136 /* Return the GSS code used by a GIMPLE code. */
1138 static inline enum gimple_statement_structure_enum
1139 gss_for_code (enum gimple_code code)
1141 gcc_gimple_checking_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE);
1142 return gss_for_code_[code];
1146 /* Return which GSS code is used by GS. */
1148 static inline enum gimple_statement_structure_enum
1149 gimple_statement_structure (gimple gs)
1151 return gss_for_code (gimple_code (gs));
1155 /* Return true if statement G has sub-statements. This is only true for
1156 High GIMPLE statements. */
1159 gimple_has_substatements (gimple g)
1161 switch (gimple_code (g))
1165 case GIMPLE_EH_FILTER:
1166 case GIMPLE_EH_ELSE:
1168 case GIMPLE_OMP_FOR:
1169 case GIMPLE_OMP_MASTER:
1170 case GIMPLE_OMP_ORDERED:
1171 case GIMPLE_OMP_SECTION:
1172 case GIMPLE_OMP_PARALLEL:
1173 case GIMPLE_OMP_TASK:
1174 case GIMPLE_OMP_SECTIONS:
1175 case GIMPLE_OMP_SINGLE:
1176 case GIMPLE_OMP_CRITICAL:
1177 case GIMPLE_WITH_CLEANUP_EXPR:
1178 case GIMPLE_TRANSACTION:
1187 /* Return the basic block holding statement G. */
1189 static inline basic_block
1190 gimple_bb (const_gimple g)
1192 return g->gsbase.bb;
1196 /* Return the lexical scope block holding statement G. */
1199 gimple_block (const_gimple g)
1201 return g->gsbase.block;
1205 /* Set BLOCK to be the lexical scope block holding statement G. */
1208 gimple_set_block (gimple g, tree block)
1210 g->gsbase.block = block;
1214 /* Return location information for statement G. */
1216 static inline location_t
1217 gimple_location (const_gimple g)
1219 return g->gsbase.location;
1222 /* Return pointer to location information for statement G. */
1224 static inline const location_t *
1225 gimple_location_ptr (const_gimple g)
1227 return &g->gsbase.location;
1231 /* Set location information for statement G. */
1234 gimple_set_location (gimple g, location_t location)
1236 g->gsbase.location = location;
1240 /* Return true if G contains location information. */
1243 gimple_has_location (const_gimple g)
1245 return gimple_location (g) != UNKNOWN_LOCATION;
1249 /* Return the file name of the location of STMT. */
1251 static inline const char *
1252 gimple_filename (const_gimple stmt)
1254 return LOCATION_FILE (gimple_location (stmt));
1258 /* Return the line number of the location of STMT. */
1261 gimple_lineno (const_gimple stmt)
1263 return LOCATION_LINE (gimple_location (stmt));
1267 /* Determine whether SEQ is a singleton. */
1270 gimple_seq_singleton_p (gimple_seq seq)
1272 return ((gimple_seq_first (seq) != NULL)
1273 && (gimple_seq_first (seq) == gimple_seq_last (seq)));
1276 /* Return true if no warnings should be emitted for statement STMT. */
1279 gimple_no_warning_p (const_gimple stmt)
1281 return stmt->gsbase.no_warning;
1284 /* Set the no_warning flag of STMT to NO_WARNING. */
1287 gimple_set_no_warning (gimple stmt, bool no_warning)
1289 stmt->gsbase.no_warning = (unsigned) no_warning;
1292 /* Set the visited status on statement STMT to VISITED_P. */
1295 gimple_set_visited (gimple stmt, bool visited_p)
1297 stmt->gsbase.visited = (unsigned) visited_p;
1301 /* Return the visited status for statement STMT. */
1304 gimple_visited_p (gimple stmt)
1306 return stmt->gsbase.visited;
1310 /* Set pass local flag PLF on statement STMT to VAL_P. */
1313 gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p)
1316 stmt->gsbase.plf |= (unsigned int) plf;
1318 stmt->gsbase.plf &= ~((unsigned int) plf);
1322 /* Return the value of pass local flag PLF on statement STMT. */
1324 static inline unsigned int
1325 gimple_plf (gimple stmt, enum plf_mask plf)
1327 return stmt->gsbase.plf & ((unsigned int) plf);
1331 /* Set the UID of statement. */
1334 gimple_set_uid (gimple g, unsigned uid)
1336 g->gsbase.uid = uid;
1340 /* Return the UID of statement. */
1342 static inline unsigned
1343 gimple_uid (const_gimple g)
1345 return g->gsbase.uid;
1349 /* Make statement G a singleton sequence. */
1352 gimple_init_singleton (gimple g)
1354 g->gsbase.next = NULL;
1359 /* Return true if GIMPLE statement G has register or memory operands. */
1362 gimple_has_ops (const_gimple g)
1364 return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN;
1368 /* Return true if GIMPLE statement G has memory operands. */
1371 gimple_has_mem_ops (const_gimple g)
1373 return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN;
1377 /* Return the set of DEF operands for statement G. */
1379 static inline struct def_optype_d *
1380 gimple_def_ops (const_gimple g)
1382 if (!gimple_has_ops (g))
1384 return g->gsops.opbase.def_ops;
1388 /* Set DEF to be the set of DEF operands for statement G. */
1391 gimple_set_def_ops (gimple g, struct def_optype_d *def)
1393 gcc_gimple_checking_assert (gimple_has_ops (g));
1394 g->gsops.opbase.def_ops = def;
1398 /* Return the set of USE operands for statement G. */
1400 static inline struct use_optype_d *
1401 gimple_use_ops (const_gimple g)
1403 if (!gimple_has_ops (g))
1405 return g->gsops.opbase.use_ops;
1409 /* Set USE to be the set of USE operands for statement G. */
1412 gimple_set_use_ops (gimple g, struct use_optype_d *use)
1414 gcc_gimple_checking_assert (gimple_has_ops (g));
1415 g->gsops.opbase.use_ops = use;
1419 /* Return the set of VUSE operand for statement G. */
1421 static inline use_operand_p
1422 gimple_vuse_op (const_gimple g)
1424 struct use_optype_d *ops;
1425 if (!gimple_has_mem_ops (g))
1426 return NULL_USE_OPERAND_P;
1427 ops = g->gsops.opbase.use_ops;
1429 && USE_OP_PTR (ops)->use == &g->gsmembase.vuse)
1430 return USE_OP_PTR (ops);
1431 return NULL_USE_OPERAND_P;
1434 /* Return the set of VDEF operand for statement G. */
1436 static inline def_operand_p
1437 gimple_vdef_op (const_gimple g)
1439 struct def_optype_d *ops;
1440 if (!gimple_has_mem_ops (g))
1441 return NULL_DEF_OPERAND_P;
1442 ops = g->gsops.opbase.def_ops;
1444 && DEF_OP_PTR (ops) == &g->gsmembase.vdef)
1445 return DEF_OP_PTR (ops);
1446 return NULL_DEF_OPERAND_P;
1450 /* Return the single VUSE operand of the statement G. */
1453 gimple_vuse (const_gimple g)
1455 if (!gimple_has_mem_ops (g))
1457 return g->gsmembase.vuse;
1460 /* Return the single VDEF operand of the statement G. */
1463 gimple_vdef (const_gimple g)
1465 if (!gimple_has_mem_ops (g))
1467 return g->gsmembase.vdef;
1470 /* Return the single VUSE operand of the statement G. */
1472 static inline tree *
1473 gimple_vuse_ptr (gimple g)
1475 if (!gimple_has_mem_ops (g))
1477 return &g->gsmembase.vuse;
1480 /* Return the single VDEF operand of the statement G. */
1482 static inline tree *
1483 gimple_vdef_ptr (gimple g)
1485 if (!gimple_has_mem_ops (g))
1487 return &g->gsmembase.vdef;
1490 /* Set the single VUSE operand of the statement G. */
1493 gimple_set_vuse (gimple g, tree vuse)
1495 gcc_gimple_checking_assert (gimple_has_mem_ops (g));
1496 g->gsmembase.vuse = vuse;
1499 /* Set the single VDEF operand of the statement G. */
1502 gimple_set_vdef (gimple g, tree vdef)
1504 gcc_gimple_checking_assert (gimple_has_mem_ops (g));
1505 g->gsmembase.vdef = vdef;
1509 /* Return true if statement G has operands and the modified field has
1513 gimple_modified_p (const_gimple g)
1515 return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false;
1519 /* Set the MODIFIED flag to MODIFIEDP, iff the gimple statement G has
1520 a MODIFIED field. */
1523 gimple_set_modified (gimple s, bool modifiedp)
1525 if (gimple_has_ops (s))
1526 s->gsbase.modified = (unsigned) modifiedp;
1530 /* Return the tree code for the expression computed by STMT. This is
1531 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For
1532 GIMPLE_CALL, return CALL_EXPR as the expression code for
1533 consistency. This is useful when the caller needs to deal with the
1534 three kinds of computation that GIMPLE supports. */
1536 static inline enum tree_code
1537 gimple_expr_code (const_gimple stmt)
1539 enum gimple_code code = gimple_code (stmt);
1540 if (code == GIMPLE_ASSIGN || code == GIMPLE_COND)
1541 return (enum tree_code) stmt->gsbase.subcode;
1544 gcc_gimple_checking_assert (code == GIMPLE_CALL);
1550 /* Mark statement S as modified, and update it. */
1553 update_stmt (gimple s)
1555 if (gimple_has_ops (s))
1557 gimple_set_modified (s, true);
1558 update_stmt_operands (s);
1562 /* Update statement S if it has been optimized. */
1565 update_stmt_if_modified (gimple s)
1567 if (gimple_modified_p (s))
1568 update_stmt_operands (s);
1571 /* Return true if statement STMT contains volatile operands. */
1574 gimple_has_volatile_ops (const_gimple stmt)
1576 if (gimple_has_mem_ops (stmt))
1577 return stmt->gsbase.has_volatile_ops;
1583 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */
1586 gimple_set_has_volatile_ops (gimple stmt, bool volatilep)
1588 if (gimple_has_mem_ops (stmt))
1589 stmt->gsbase.has_volatile_ops = (unsigned) volatilep;
1592 /* Return true if BB is in a transaction. */
1595 block_in_transaction (basic_block bb)
1597 return flag_tm && bb->flags & BB_IN_TRANSACTION;
1600 /* Return true if STMT is in a transaction. */
1603 gimple_in_transaction (gimple stmt)
1605 return block_in_transaction (gimple_bb (stmt));
1608 /* Return true if statement STMT may access memory. */
1611 gimple_references_memory_p (gimple stmt)
1613 return gimple_has_mem_ops (stmt) && gimple_vuse (stmt);
1617 /* Return the subcode for OMP statement S. */
1619 static inline unsigned
1620 gimple_omp_subcode (const_gimple s)
1622 gcc_gimple_checking_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD
1623 && gimple_code (s) <= GIMPLE_OMP_SINGLE);
1624 return s->gsbase.subcode;
1627 /* Set the subcode for OMP statement S to SUBCODE. */
1630 gimple_omp_set_subcode (gimple s, unsigned int subcode)
1632 /* We only have 16 bits for the subcode. Assert that we are not
1634 gcc_gimple_checking_assert (subcode < (1 << 16));
1635 s->gsbase.subcode = subcode;
1638 /* Set the nowait flag on OMP_RETURN statement S. */
1641 gimple_omp_return_set_nowait (gimple s)
1643 GIMPLE_CHECK (s, GIMPLE_OMP_RETURN);
1644 s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT;
1648 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT
1652 gimple_omp_return_nowait_p (const_gimple g)
1654 GIMPLE_CHECK (g, GIMPLE_OMP_RETURN);
1655 return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0;
1659 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST
1663 gimple_omp_section_last_p (const_gimple g)
1665 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1666 return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0;
1670 /* Set the GF_OMP_SECTION_LAST flag on G. */
1673 gimple_omp_section_set_last (gimple g)
1675 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1676 g->gsbase.subcode |= GF_OMP_SECTION_LAST;
1680 /* Return true if OMP parallel statement G has the
1681 GF_OMP_PARALLEL_COMBINED flag set. */
1684 gimple_omp_parallel_combined_p (const_gimple g)
1686 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1687 return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0;
1691 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean
1692 value of COMBINED_P. */
1695 gimple_omp_parallel_set_combined_p (gimple g, bool combined_p)
1697 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1699 g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED;
1701 g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED;
1705 /* Return true if OMP atomic load/store statement G has the
1706 GF_OMP_ATOMIC_NEED_VALUE flag set. */
1709 gimple_omp_atomic_need_value_p (const_gimple g)
1711 if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD)
1712 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
1713 return (gimple_omp_subcode (g) & GF_OMP_ATOMIC_NEED_VALUE) != 0;
1717 /* Set the GF_OMP_ATOMIC_NEED_VALUE flag on G. */
1720 gimple_omp_atomic_set_need_value (gimple g)
1722 if (gimple_code (g) != GIMPLE_OMP_ATOMIC_LOAD)
1723 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
1724 g->gsbase.subcode |= GF_OMP_ATOMIC_NEED_VALUE;
1728 /* Return the number of operands for statement GS. */
1730 static inline unsigned
1731 gimple_num_ops (const_gimple gs)
1733 return gs->gsbase.num_ops;
1737 /* Set the number of operands for statement GS. */
1740 gimple_set_num_ops (gimple gs, unsigned num_ops)
1742 gs->gsbase.num_ops = num_ops;
1746 /* Return the array of operands for statement GS. */
1748 static inline tree *
1749 gimple_ops (gimple gs)
1753 /* All the tuples have their operand vector at the very bottom
1754 of the structure. Note that those structures that do not
1755 have an operand vector have a zero offset. */
1756 off = gimple_ops_offset_[gimple_statement_structure (gs)];
1757 gcc_gimple_checking_assert (off != 0);
1759 return (tree *) ((char *) gs + off);
1763 /* Return operand I for statement GS. */
1766 gimple_op (const_gimple gs, unsigned i)
1768 if (gimple_has_ops (gs))
1770 gcc_gimple_checking_assert (i < gimple_num_ops (gs));
1771 return gimple_ops (CONST_CAST_GIMPLE (gs))[i];
1777 /* Return a pointer to operand I for statement GS. */
1779 static inline tree *
1780 gimple_op_ptr (const_gimple gs, unsigned i)
1782 if (gimple_has_ops (gs))
1784 gcc_gimple_checking_assert (i < gimple_num_ops (gs));
1785 return gimple_ops (CONST_CAST_GIMPLE (gs)) + i;
1791 /* Set operand I of statement GS to OP. */
1794 gimple_set_op (gimple gs, unsigned i, tree op)
1796 gcc_gimple_checking_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs));
1798 /* Note. It may be tempting to assert that OP matches
1799 is_gimple_operand, but that would be wrong. Different tuples
1800 accept slightly different sets of tree operands. Each caller
1801 should perform its own validation. */
1802 gimple_ops (gs)[i] = op;
1805 /* Return true if GS is a GIMPLE_ASSIGN. */
1808 is_gimple_assign (const_gimple gs)
1810 return gimple_code (gs) == GIMPLE_ASSIGN;
1813 /* Determine if expression CODE is one of the valid expressions that can
1814 be used on the RHS of GIMPLE assignments. */
1816 static inline enum gimple_rhs_class
1817 get_gimple_rhs_class (enum tree_code code)
1819 return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code];
1822 /* Return the LHS of assignment statement GS. */
1825 gimple_assign_lhs (const_gimple gs)
1827 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1828 return gimple_op (gs, 0);
1832 /* Return a pointer to the LHS of assignment statement GS. */
1834 static inline tree *
1835 gimple_assign_lhs_ptr (const_gimple gs)
1837 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1838 return gimple_op_ptr (gs, 0);
1842 /* Set LHS to be the LHS operand of assignment statement GS. */
1845 gimple_assign_set_lhs (gimple gs, tree lhs)
1847 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1848 gimple_set_op (gs, 0, lhs);
1850 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1851 SSA_NAME_DEF_STMT (lhs) = gs;
1855 /* Return the first operand on the RHS of assignment statement GS. */
1858 gimple_assign_rhs1 (const_gimple gs)
1860 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1861 return gimple_op (gs, 1);
1865 /* Return a pointer to the first operand on the RHS of assignment
1868 static inline tree *
1869 gimple_assign_rhs1_ptr (const_gimple gs)
1871 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1872 return gimple_op_ptr (gs, 1);
1875 /* Set RHS to be the first operand on the RHS of assignment statement GS. */
1878 gimple_assign_set_rhs1 (gimple gs, tree rhs)
1880 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1882 gimple_set_op (gs, 1, rhs);
1886 /* Return the second operand on the RHS of assignment statement GS.
1887 If GS does not have two operands, NULL is returned instead. */
1890 gimple_assign_rhs2 (const_gimple gs)
1892 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1894 if (gimple_num_ops (gs) >= 3)
1895 return gimple_op (gs, 2);
1901 /* Return a pointer to the second operand on the RHS of assignment
1904 static inline tree *
1905 gimple_assign_rhs2_ptr (const_gimple gs)
1907 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1908 return gimple_op_ptr (gs, 2);
1912 /* Set RHS to be the second operand on the RHS of assignment statement GS. */
1915 gimple_assign_set_rhs2 (gimple gs, tree rhs)
1917 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1919 gimple_set_op (gs, 2, rhs);
1922 /* Return the third operand on the RHS of assignment statement GS.
1923 If GS does not have two operands, NULL is returned instead. */
1926 gimple_assign_rhs3 (const_gimple gs)
1928 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1930 if (gimple_num_ops (gs) >= 4)
1931 return gimple_op (gs, 3);
1936 /* Return a pointer to the third operand on the RHS of assignment
1939 static inline tree *
1940 gimple_assign_rhs3_ptr (const_gimple gs)
1942 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1943 return gimple_op_ptr (gs, 3);
1947 /* Set RHS to be the third operand on the RHS of assignment statement GS. */
1950 gimple_assign_set_rhs3 (gimple gs, tree rhs)
1952 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1954 gimple_set_op (gs, 3, rhs);
1957 /* A wrapper around gimple_assign_set_rhs_with_ops_1, for callers which expect
1958 to see only a maximum of two operands. */
1961 gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *gsi, enum tree_code code,
1964 gimple_assign_set_rhs_with_ops_1 (gsi, code, op1, op2, NULL);
1967 /* A wrapper around extract_ops_from_tree_1, for callers which expect
1968 to see only a maximum of two operands. */
1971 extract_ops_from_tree (tree expr, enum tree_code *code, tree *op0,
1975 extract_ops_from_tree_1 (expr, code, op0, op1, &op2);
1976 gcc_assert (op2 == NULL_TREE);
1979 /* Returns true if GS is a nontemporal move. */
1982 gimple_assign_nontemporal_move_p (const_gimple gs)
1984 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1985 return gs->gsbase.nontemporal_move;
1988 /* Sets nontemporal move flag of GS to NONTEMPORAL. */
1991 gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal)
1993 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1994 gs->gsbase.nontemporal_move = nontemporal;
1998 /* Return the code of the expression computed on the rhs of assignment
1999 statement GS. In case that the RHS is a single object, returns the
2000 tree code of the object. */
2002 static inline enum tree_code
2003 gimple_assign_rhs_code (const_gimple gs)
2005 enum tree_code code;
2006 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
2008 code = (enum tree_code) gs->gsbase.subcode;
2009 /* While we initially set subcode to the TREE_CODE of the rhs for
2010 GIMPLE_SINGLE_RHS assigns we do not update that subcode to stay
2011 in sync when we rewrite stmts into SSA form or do SSA propagations. */
2012 if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS)
2013 code = TREE_CODE (gimple_assign_rhs1 (gs));
2019 /* Set CODE to be the code for the expression computed on the RHS of
2023 gimple_assign_set_rhs_code (gimple s, enum tree_code code)
2025 GIMPLE_CHECK (s, GIMPLE_ASSIGN);
2026 s->gsbase.subcode = code;
2030 /* Return the gimple rhs class of the code of the expression computed on
2031 the rhs of assignment statement GS.
2032 This will never return GIMPLE_INVALID_RHS. */
2034 static inline enum gimple_rhs_class
2035 gimple_assign_rhs_class (const_gimple gs)
2037 return get_gimple_rhs_class (gimple_assign_rhs_code (gs));
2040 /* Return true if GS is an assignment with a singleton RHS, i.e.,
2041 there is no operator associated with the assignment itself.
2042 Unlike gimple_assign_copy_p, this predicate returns true for
2043 any RHS operand, including those that perform an operation
2044 and do not have the semantics of a copy, such as COND_EXPR. */
2047 gimple_assign_single_p (gimple gs)
2049 return (is_gimple_assign (gs)
2050 && gimple_assign_rhs_class (gs) == GIMPLE_SINGLE_RHS);
2054 /* Return true if S is a type-cast assignment. */
2057 gimple_assign_cast_p (gimple s)
2059 if (is_gimple_assign (s))
2061 enum tree_code sc = gimple_assign_rhs_code (s);
2062 return CONVERT_EXPR_CODE_P (sc)
2063 || sc == VIEW_CONVERT_EXPR
2064 || sc == FIX_TRUNC_EXPR;
2070 /* Return true if S is a clobber statement. */
2073 gimple_clobber_p (gimple s)
2075 return gimple_assign_single_p (s)
2076 && TREE_CLOBBER_P (gimple_assign_rhs1 (s));
2079 /* Return true if GS is a GIMPLE_CALL. */
2082 is_gimple_call (const_gimple gs)
2084 return gimple_code (gs) == GIMPLE_CALL;
2087 /* Return the LHS of call statement GS. */
2090 gimple_call_lhs (const_gimple gs)
2092 GIMPLE_CHECK (gs, GIMPLE_CALL);
2093 return gimple_op (gs, 0);
2097 /* Return a pointer to the LHS of call statement GS. */
2099 static inline tree *
2100 gimple_call_lhs_ptr (const_gimple gs)
2102 GIMPLE_CHECK (gs, GIMPLE_CALL);
2103 return gimple_op_ptr (gs, 0);
2107 /* Set LHS to be the LHS operand of call statement GS. */
2110 gimple_call_set_lhs (gimple gs, tree lhs)
2112 GIMPLE_CHECK (gs, GIMPLE_CALL);
2113 gimple_set_op (gs, 0, lhs);
2114 if (lhs && TREE_CODE (lhs) == SSA_NAME)
2115 SSA_NAME_DEF_STMT (lhs) = gs;
2119 /* Return true if call GS calls an internal-only function, as enumerated
2123 gimple_call_internal_p (const_gimple gs)
2125 GIMPLE_CHECK (gs, GIMPLE_CALL);
2126 return (gs->gsbase.subcode & GF_CALL_INTERNAL) != 0;
2130 /* Return the target of internal call GS. */
2132 static inline enum internal_fn
2133 gimple_call_internal_fn (const_gimple gs)
2135 gcc_gimple_checking_assert (gimple_call_internal_p (gs));
2136 return gs->gimple_call.u.internal_fn;
2140 /* Return the function type of the function called by GS. */
2143 gimple_call_fntype (const_gimple gs)
2145 GIMPLE_CHECK (gs, GIMPLE_CALL);
2146 if (gimple_call_internal_p (gs))
2148 return gs->gimple_call.u.fntype;
2151 /* Set the type of the function called by GS to FNTYPE. */
2154 gimple_call_set_fntype (gimple gs, tree fntype)
2156 GIMPLE_CHECK (gs, GIMPLE_CALL);
2157 gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
2158 gs->gimple_call.u.fntype = fntype;
2162 /* Return the tree node representing the function called by call
2166 gimple_call_fn (const_gimple gs)
2168 GIMPLE_CHECK (gs, GIMPLE_CALL);
2169 return gimple_op (gs, 1);
2172 /* Return a pointer to the tree node representing the function called by call
2175 static inline tree *
2176 gimple_call_fn_ptr (const_gimple gs)
2178 GIMPLE_CHECK (gs, GIMPLE_CALL);
2179 return gimple_op_ptr (gs, 1);
2183 /* Set FN to be the function called by call statement GS. */
2186 gimple_call_set_fn (gimple gs, tree fn)
2188 GIMPLE_CHECK (gs, GIMPLE_CALL);
2189 gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
2190 gimple_set_op (gs, 1, fn);
2194 /* Set FNDECL to be the function called by call statement GS. */
2197 gimple_call_set_fndecl (gimple gs, tree decl)
2199 GIMPLE_CHECK (gs, GIMPLE_CALL);
2200 gcc_gimple_checking_assert (!gimple_call_internal_p (gs));
2201 gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl));
2205 /* Set internal function FN to be the function called by call statement GS. */
2208 gimple_call_set_internal_fn (gimple gs, enum internal_fn fn)
2210 GIMPLE_CHECK (gs, GIMPLE_CALL);
2211 gcc_gimple_checking_assert (gimple_call_internal_p (gs));
2212 gs->gimple_call.u.internal_fn = fn;
2216 /* Given a valid GIMPLE_CALL function address return the FUNCTION_DECL
2217 associated with the callee if known. Otherwise return NULL_TREE. */
2220 gimple_call_addr_fndecl (const_tree fn)
2222 if (fn && TREE_CODE (fn) == ADDR_EXPR)
2224 tree fndecl = TREE_OPERAND (fn, 0);
2225 if (TREE_CODE (fndecl) == MEM_REF
2226 && TREE_CODE (TREE_OPERAND (fndecl, 0)) == ADDR_EXPR
2227 && integer_zerop (TREE_OPERAND (fndecl, 1)))
2228 fndecl = TREE_OPERAND (TREE_OPERAND (fndecl, 0), 0);
2229 if (TREE_CODE (fndecl) == FUNCTION_DECL)
2235 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it.
2236 Otherwise return NULL. This function is analogous to
2237 get_callee_fndecl in tree land. */
2240 gimple_call_fndecl (const_gimple gs)
2242 return gimple_call_addr_fndecl (gimple_call_fn (gs));
2246 /* Return the type returned by call statement GS. */
2249 gimple_call_return_type (const_gimple gs)
2251 tree type = gimple_call_fntype (gs);
2253 if (type == NULL_TREE)
2254 return TREE_TYPE (gimple_call_lhs (gs));
2256 /* The type returned by a function is the type of its
2258 return TREE_TYPE (type);
2262 /* Return the static chain for call statement GS. */
2265 gimple_call_chain (const_gimple gs)
2267 GIMPLE_CHECK (gs, GIMPLE_CALL);
2268 return gimple_op (gs, 2);
2272 /* Return a pointer to the static chain for call statement GS. */
2274 static inline tree *
2275 gimple_call_chain_ptr (const_gimple gs)
2277 GIMPLE_CHECK (gs, GIMPLE_CALL);
2278 return gimple_op_ptr (gs, 2);
2281 /* Set CHAIN to be the static chain for call statement GS. */
2284 gimple_call_set_chain (gimple gs, tree chain)
2286 GIMPLE_CHECK (gs, GIMPLE_CALL);
2288 gimple_set_op (gs, 2, chain);
2292 /* Return the number of arguments used by call statement GS. */
2294 static inline unsigned
2295 gimple_call_num_args (const_gimple gs)
2298 GIMPLE_CHECK (gs, GIMPLE_CALL);
2299 num_ops = gimple_num_ops (gs);
2304 /* Return the argument at position INDEX for call statement GS. */
2307 gimple_call_arg (const_gimple gs, unsigned index)
2309 GIMPLE_CHECK (gs, GIMPLE_CALL);
2310 return gimple_op (gs, index + 3);
2314 /* Return a pointer to the argument at position INDEX for call
2317 static inline tree *
2318 gimple_call_arg_ptr (const_gimple gs, unsigned index)
2320 GIMPLE_CHECK (gs, GIMPLE_CALL);
2321 return gimple_op_ptr (gs, index + 3);
2325 /* Set ARG to be the argument at position INDEX for call statement GS. */
2328 gimple_call_set_arg (gimple gs, unsigned index, tree arg)
2330 GIMPLE_CHECK (gs, GIMPLE_CALL);
2331 gimple_set_op (gs, index + 3, arg);
2335 /* If TAIL_P is true, mark call statement S as being a tail call
2336 (i.e., a call just before the exit of a function). These calls are
2337 candidate for tail call optimization. */
2340 gimple_call_set_tail (gimple s, bool tail_p)
2342 GIMPLE_CHECK (s, GIMPLE_CALL);
2344 s->gsbase.subcode |= GF_CALL_TAILCALL;
2346 s->gsbase.subcode &= ~GF_CALL_TAILCALL;
2350 /* Return true if GIMPLE_CALL S is marked as a tail call. */
2353 gimple_call_tail_p (gimple s)
2355 GIMPLE_CHECK (s, GIMPLE_CALL);
2356 return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0;
2360 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return
2361 slot optimization. This transformation uses the target of the call
2362 expansion as the return slot for calls that return in memory. */
2365 gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p)
2367 GIMPLE_CHECK (s, GIMPLE_CALL);
2368 if (return_slot_opt_p)
2369 s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT;
2371 s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT;
2375 /* Return true if S is marked for return slot optimization. */
2378 gimple_call_return_slot_opt_p (gimple s)
2380 GIMPLE_CHECK (s, GIMPLE_CALL);
2381 return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0;
2385 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a
2386 thunk to the thunked-to function. */
2389 gimple_call_set_from_thunk (gimple s, bool from_thunk_p)
2391 GIMPLE_CHECK (s, GIMPLE_CALL);
2393 s->gsbase.subcode |= GF_CALL_FROM_THUNK;
2395 s->gsbase.subcode &= ~GF_CALL_FROM_THUNK;
2399 /* Return true if GIMPLE_CALL S is a jump from a thunk. */
2402 gimple_call_from_thunk_p (gimple s)
2404 GIMPLE_CHECK (s, GIMPLE_CALL);
2405 return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0;
2409 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the
2410 argument pack in its argument list. */
2413 gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p)
2415 GIMPLE_CHECK (s, GIMPLE_CALL);
2416 if (pass_arg_pack_p)
2417 s->gsbase.subcode |= GF_CALL_VA_ARG_PACK;
2419 s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK;
2423 /* Return true if GIMPLE_CALL S is a stdarg call that needs the
2424 argument pack in its argument list. */
2427 gimple_call_va_arg_pack_p (gimple s)
2429 GIMPLE_CHECK (s, GIMPLE_CALL);
2430 return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0;
2434 /* Return true if S is a noreturn call. */
2437 gimple_call_noreturn_p (gimple s)
2439 GIMPLE_CHECK (s, GIMPLE_CALL);
2440 return (gimple_call_flags (s) & ECF_NORETURN) != 0;
2444 /* If NOTHROW_P is true, GIMPLE_CALL S is a call that is known to not throw
2445 even if the called function can throw in other cases. */
2448 gimple_call_set_nothrow (gimple s, bool nothrow_p)
2450 GIMPLE_CHECK (s, GIMPLE_CALL);
2452 s->gsbase.subcode |= GF_CALL_NOTHROW;
2454 s->gsbase.subcode &= ~GF_CALL_NOTHROW;
2457 /* Return true if S is a nothrow call. */
2460 gimple_call_nothrow_p (gimple s)
2462 GIMPLE_CHECK (s, GIMPLE_CALL);
2463 return (gimple_call_flags (s) & ECF_NOTHROW) != 0;
2466 /* If FOR_VAR is true, GIMPLE_CALL S is a call to builtin_alloca that
2467 is known to be emitted for VLA objects. Those are wrapped by
2468 stack_save/stack_restore calls and hence can't lead to unbounded
2469 stack growth even when they occur in loops. */
2472 gimple_call_set_alloca_for_var (gimple s, bool for_var)
2474 GIMPLE_CHECK (s, GIMPLE_CALL);
2476 s->gsbase.subcode |= GF_CALL_ALLOCA_FOR_VAR;
2478 s->gsbase.subcode &= ~GF_CALL_ALLOCA_FOR_VAR;
2481 /* Return true of S is a call to builtin_alloca emitted for VLA objects. */
2484 gimple_call_alloca_for_var_p (gimple s)
2486 GIMPLE_CHECK (s, GIMPLE_CALL);
2487 return (s->gsbase.subcode & GF_CALL_ALLOCA_FOR_VAR) != 0;
2490 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */
2493 gimple_call_copy_flags (gimple dest_call, gimple orig_call)
2495 GIMPLE_CHECK (dest_call, GIMPLE_CALL);
2496 GIMPLE_CHECK (orig_call, GIMPLE_CALL);
2497 dest_call->gsbase.subcode = orig_call->gsbase.subcode;
2501 /* Return a pointer to the points-to solution for the set of call-used
2502 variables of the call CALL. */
2504 static inline struct pt_solution *
2505 gimple_call_use_set (gimple call)
2507 GIMPLE_CHECK (call, GIMPLE_CALL);
2508 return &call->gimple_call.call_used;
2512 /* Return a pointer to the points-to solution for the set of call-used
2513 variables of the call CALL. */
2515 static inline struct pt_solution *
2516 gimple_call_clobber_set (gimple call)
2518 GIMPLE_CHECK (call, GIMPLE_CALL);
2519 return &call->gimple_call.call_clobbered;
2523 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a
2527 gimple_has_lhs (gimple stmt)
2529 return (is_gimple_assign (stmt)
2530 || (is_gimple_call (stmt)
2531 && gimple_call_lhs (stmt) != NULL_TREE));
2535 /* Return the code of the predicate computed by conditional statement GS. */
2537 static inline enum tree_code
2538 gimple_cond_code (const_gimple gs)
2540 GIMPLE_CHECK (gs, GIMPLE_COND);
2541 return (enum tree_code) gs->gsbase.subcode;
2545 /* Set CODE to be the predicate code for the conditional statement GS. */
2548 gimple_cond_set_code (gimple gs, enum tree_code code)
2550 GIMPLE_CHECK (gs, GIMPLE_COND);
2551 gs->gsbase.subcode = code;
2555 /* Return the LHS of the predicate computed by conditional statement GS. */
2558 gimple_cond_lhs (const_gimple gs)
2560 GIMPLE_CHECK (gs, GIMPLE_COND);
2561 return gimple_op (gs, 0);
2564 /* Return the pointer to the LHS of the predicate computed by conditional
2567 static inline tree *
2568 gimple_cond_lhs_ptr (const_gimple gs)
2570 GIMPLE_CHECK (gs, GIMPLE_COND);
2571 return gimple_op_ptr (gs, 0);
2574 /* Set LHS to be the LHS operand of the predicate computed by
2575 conditional statement GS. */
2578 gimple_cond_set_lhs (gimple gs, tree lhs)
2580 GIMPLE_CHECK (gs, GIMPLE_COND);
2581 gimple_set_op (gs, 0, lhs);
2585 /* Return the RHS operand of the predicate computed by conditional GS. */
2588 gimple_cond_rhs (const_gimple gs)
2590 GIMPLE_CHECK (gs, GIMPLE_COND);
2591 return gimple_op (gs, 1);
2594 /* Return the pointer to the RHS operand of the predicate computed by
2597 static inline tree *
2598 gimple_cond_rhs_ptr (const_gimple gs)
2600 GIMPLE_CHECK (gs, GIMPLE_COND);
2601 return gimple_op_ptr (gs, 1);
2605 /* Set RHS to be the RHS operand of the predicate computed by
2606 conditional statement GS. */
2609 gimple_cond_set_rhs (gimple gs, tree rhs)
2611 GIMPLE_CHECK (gs, GIMPLE_COND);
2612 gimple_set_op (gs, 1, rhs);
2616 /* Return the label used by conditional statement GS when its
2617 predicate evaluates to true. */
2620 gimple_cond_true_label (const_gimple gs)
2622 GIMPLE_CHECK (gs, GIMPLE_COND);
2623 return gimple_op (gs, 2);
2627 /* Set LABEL to be the label used by conditional statement GS when its
2628 predicate evaluates to true. */
2631 gimple_cond_set_true_label (gimple gs, tree label)
2633 GIMPLE_CHECK (gs, GIMPLE_COND);
2634 gimple_set_op (gs, 2, label);
2638 /* Set LABEL to be the label used by conditional statement GS when its
2639 predicate evaluates to false. */
2642 gimple_cond_set_false_label (gimple gs, tree label)
2644 GIMPLE_CHECK (gs, GIMPLE_COND);
2645 gimple_set_op (gs, 3, label);
2649 /* Return the label used by conditional statement GS when its
2650 predicate evaluates to false. */
2653 gimple_cond_false_label (const_gimple gs)
2655 GIMPLE_CHECK (gs, GIMPLE_COND);
2656 return gimple_op (gs, 3);
2660 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */
2663 gimple_cond_make_false (gimple gs)
2665 gimple_cond_set_lhs (gs, boolean_true_node);
2666 gimple_cond_set_rhs (gs, boolean_false_node);
2667 gs->gsbase.subcode = EQ_EXPR;
2671 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */
2674 gimple_cond_make_true (gimple gs)
2676 gimple_cond_set_lhs (gs, boolean_true_node);
2677 gimple_cond_set_rhs (gs, boolean_true_node);
2678 gs->gsbase.subcode = EQ_EXPR;
2681 /* Check if conditional statemente GS is of the form 'if (1 == 1)',
2682 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */
2685 gimple_cond_true_p (const_gimple gs)
2687 tree lhs = gimple_cond_lhs (gs);
2688 tree rhs = gimple_cond_rhs (gs);
2689 enum tree_code code = gimple_cond_code (gs);
2691 if (lhs != boolean_true_node && lhs != boolean_false_node)
2694 if (rhs != boolean_true_node && rhs != boolean_false_node)
2697 if (code == NE_EXPR && lhs != rhs)
2700 if (code == EQ_EXPR && lhs == rhs)
2706 /* Check if conditional statement GS is of the form 'if (1 != 1)',
2707 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */
2710 gimple_cond_false_p (const_gimple gs)
2712 tree lhs = gimple_cond_lhs (gs);
2713 tree rhs = gimple_cond_rhs (gs);
2714 enum tree_code code = gimple_cond_code (gs);
2716 if (lhs != boolean_true_node && lhs != boolean_false_node)
2719 if (rhs != boolean_true_node && rhs != boolean_false_node)
2722 if (code == NE_EXPR && lhs == rhs)
2725 if (code == EQ_EXPR && lhs != rhs)
2731 /* Check if conditional statement GS is of the form 'if (var != 0)' or
2735 gimple_cond_single_var_p (gimple gs)
2737 if (gimple_cond_code (gs) == NE_EXPR
2738 && gimple_cond_rhs (gs) == boolean_false_node)
2741 if (gimple_cond_code (gs) == EQ_EXPR
2742 && gimple_cond_rhs (gs) == boolean_true_node)
2748 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */
2751 gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs)
2753 gimple_cond_set_code (stmt, code);
2754 gimple_cond_set_lhs (stmt, lhs);
2755 gimple_cond_set_rhs (stmt, rhs);
2758 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */
2761 gimple_label_label (const_gimple gs)
2763 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2764 return gimple_op (gs, 0);
2768 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement
2772 gimple_label_set_label (gimple gs, tree label)
2774 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2775 gimple_set_op (gs, 0, label);
2779 /* Return the destination of the unconditional jump GS. */
2782 gimple_goto_dest (const_gimple gs)
2784 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2785 return gimple_op (gs, 0);
2789 /* Set DEST to be the destination of the unconditonal jump GS. */
2792 gimple_goto_set_dest (gimple gs, tree dest)
2794 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2795 gimple_set_op (gs, 0, dest);
2799 /* Return the variables declared in the GIMPLE_BIND statement GS. */
2802 gimple_bind_vars (const_gimple gs)
2804 GIMPLE_CHECK (gs, GIMPLE_BIND);
2805 return gs->gimple_bind.vars;
2809 /* Set VARS to be the set of variables declared in the GIMPLE_BIND
2813 gimple_bind_set_vars (gimple gs, tree vars)
2815 GIMPLE_CHECK (gs, GIMPLE_BIND);
2816 gs->gimple_bind.vars = vars;
2820 /* Append VARS to the set of variables declared in the GIMPLE_BIND
2824 gimple_bind_append_vars (gimple gs, tree vars)
2826 GIMPLE_CHECK (gs, GIMPLE_BIND);
2827 gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars);
2831 static inline gimple_seq *
2832 gimple_bind_body_ptr (gimple gs)
2834 GIMPLE_CHECK (gs, GIMPLE_BIND);
2835 return &gs->gimple_bind.body;
2838 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */
2840 static inline gimple_seq
2841 gimple_bind_body (gimple gs)
2843 return *gimple_bind_body_ptr (gs);
2847 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND
2851 gimple_bind_set_body (gimple gs, gimple_seq seq)
2853 GIMPLE_CHECK (gs, GIMPLE_BIND);
2854 gs->gimple_bind.body = seq;
2858 /* Append a statement to the end of a GIMPLE_BIND's body. */
2861 gimple_bind_add_stmt (gimple gs, gimple stmt)
2863 GIMPLE_CHECK (gs, GIMPLE_BIND);
2864 gimple_seq_add_stmt (&gs->gimple_bind.body, stmt);
2868 /* Append a sequence of statements to the end of a GIMPLE_BIND's body. */
2871 gimple_bind_add_seq (gimple gs, gimple_seq seq)
2873 GIMPLE_CHECK (gs, GIMPLE_BIND);
2874 gimple_seq_add_seq (&gs->gimple_bind.body, seq);
2878 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement
2879 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */
2882 gimple_bind_block (const_gimple gs)
2884 GIMPLE_CHECK (gs, GIMPLE_BIND);
2885 return gs->gimple_bind.block;
2889 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND
2893 gimple_bind_set_block (gimple gs, tree block)
2895 GIMPLE_CHECK (gs, GIMPLE_BIND);
2896 gcc_gimple_checking_assert (block == NULL_TREE
2897 || TREE_CODE (block) == BLOCK);
2898 gs->gimple_bind.block = block;
2902 /* Return the number of input operands for GIMPLE_ASM GS. */
2904 static inline unsigned
2905 gimple_asm_ninputs (const_gimple gs)
2907 GIMPLE_CHECK (gs, GIMPLE_ASM);
2908 return gs->gimple_asm.ni;
2912 /* Return the number of output operands for GIMPLE_ASM GS. */
2914 static inline unsigned
2915 gimple_asm_noutputs (const_gimple gs)
2917 GIMPLE_CHECK (gs, GIMPLE_ASM);
2918 return gs->gimple_asm.no;
2922 /* Return the number of clobber operands for GIMPLE_ASM GS. */
2924 static inline unsigned
2925 gimple_asm_nclobbers (const_gimple gs)
2927 GIMPLE_CHECK (gs, GIMPLE_ASM);
2928 return gs->gimple_asm.nc;
2931 /* Return the number of label operands for GIMPLE_ASM GS. */
2933 static inline unsigned
2934 gimple_asm_nlabels (const_gimple gs)
2936 GIMPLE_CHECK (gs, GIMPLE_ASM);
2937 return gs->gimple_asm.nl;
2940 /* Return input operand INDEX of GIMPLE_ASM GS. */
2943 gimple_asm_input_op (const_gimple gs, unsigned index)
2945 GIMPLE_CHECK (gs, GIMPLE_ASM);
2946 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni);
2947 return gimple_op (gs, index);
2950 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */
2952 static inline tree *
2953 gimple_asm_input_op_ptr (const_gimple gs, unsigned index)
2955 GIMPLE_CHECK (gs, GIMPLE_ASM);
2956 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni);
2957 return gimple_op_ptr (gs, index);
2961 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */
2964 gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op)
2966 GIMPLE_CHECK (gs, GIMPLE_ASM);
2967 gcc_gimple_checking_assert (index <= gs->gimple_asm.ni
2968 && TREE_CODE (in_op) == TREE_LIST);
2969 gimple_set_op (gs, index, in_op);
2973 /* Return output operand INDEX of GIMPLE_ASM GS. */
2976 gimple_asm_output_op (const_gimple gs, unsigned index)
2978 GIMPLE_CHECK (gs, GIMPLE_ASM);
2979 gcc_gimple_checking_assert (index <= gs->gimple_asm.no);
2980 return gimple_op (gs, index + gs->gimple_asm.ni);
2983 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */
2985 static inline tree *
2986 gimple_asm_output_op_ptr (const_gimple gs, unsigned index)
2988 GIMPLE_CHECK (gs, GIMPLE_ASM);
2989 gcc_gimple_checking_assert (index <= gs->gimple_asm.no);
2990 return gimple_op_ptr (gs, index + gs->gimple_asm.ni);
2994 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */
2997 gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op)
2999 GIMPLE_CHECK (gs, GIMPLE_ASM);
3000 gcc_gimple_checking_assert (index <= gs->gimple_asm.no
3001 && TREE_CODE (out_op) == TREE_LIST);
3002 gimple_set_op (gs, index + gs->gimple_asm.ni, out_op);
3006 /* Return clobber operand INDEX of GIMPLE_ASM GS. */
3009 gimple_asm_clobber_op (const_gimple gs, unsigned index)
3011 GIMPLE_CHECK (gs, GIMPLE_ASM);
3012 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc);
3013 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no);
3017 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */
3020 gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op)
3022 GIMPLE_CHECK (gs, GIMPLE_ASM);
3023 gcc_gimple_checking_assert (index <= gs->gimple_asm.nc
3024 && TREE_CODE (clobber_op) == TREE_LIST);
3025 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op);
3028 /* Return label operand INDEX of GIMPLE_ASM GS. */
3031 gimple_asm_label_op (const_gimple gs, unsigned index)
3033 GIMPLE_CHECK (gs, GIMPLE_ASM);
3034 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl);
3035 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc);
3038 /* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS. */
3041 gimple_asm_set_label_op (gimple gs, unsigned index, tree label_op)
3043 GIMPLE_CHECK (gs, GIMPLE_ASM);
3044 gcc_gimple_checking_assert (index <= gs->gimple_asm.nl
3045 && TREE_CODE (label_op) == TREE_LIST);
3046 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc, label_op);
3049 /* Return the string representing the assembly instruction in
3052 static inline const char *
3053 gimple_asm_string (const_gimple gs)
3055 GIMPLE_CHECK (gs, GIMPLE_ASM);
3056 return gs->gimple_asm.string;
3060 /* Return true if GS is an asm statement marked volatile. */
3063 gimple_asm_volatile_p (const_gimple gs)
3065 GIMPLE_CHECK (gs, GIMPLE_ASM);
3066 return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0;
3070 /* If VOLATLE_P is true, mark asm statement GS as volatile. */
3073 gimple_asm_set_volatile (gimple gs, bool volatile_p)
3075 GIMPLE_CHECK (gs, GIMPLE_ASM);
3077 gs->gsbase.subcode |= GF_ASM_VOLATILE;
3079 gs->gsbase.subcode &= ~GF_ASM_VOLATILE;
3083 /* If INPUT_P is true, mark asm GS as an ASM_INPUT. */
3086 gimple_asm_set_input (gimple gs, bool input_p)
3088 GIMPLE_CHECK (gs, GIMPLE_ASM);
3090 gs->gsbase.subcode |= GF_ASM_INPUT;
3092 gs->gsbase.subcode &= ~GF_ASM_INPUT;
3096 /* Return true if asm GS is an ASM_INPUT. */
3099 gimple_asm_input_p (const_gimple gs)
3101 GIMPLE_CHECK (gs, GIMPLE_ASM);
3102 return (gs->gsbase.subcode & GF_ASM_INPUT) != 0;
3106 /* Return the types handled by GIMPLE_CATCH statement GS. */
3109 gimple_catch_types (const_gimple gs)
3111 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3112 return gs->gimple_catch.types;
3116 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */
3118 static inline tree *
3119 gimple_catch_types_ptr (gimple gs)
3121 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3122 return &gs->gimple_catch.types;
3126 /* Return a pointer to the GIMPLE sequence representing the body of
3127 the handler of GIMPLE_CATCH statement GS. */
3129 static inline gimple_seq *
3130 gimple_catch_handler_ptr (gimple gs)
3132 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3133 return &gs->gimple_catch.handler;
3137 /* Return the GIMPLE sequence representing the body of the handler of
3138 GIMPLE_CATCH statement GS. */
3140 static inline gimple_seq
3141 gimple_catch_handler (gimple gs)
3143 return *gimple_catch_handler_ptr (gs);
3147 /* Set T to be the set of types handled by GIMPLE_CATCH GS. */
3150 gimple_catch_set_types (gimple gs, tree t)
3152 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3153 gs->gimple_catch.types = t;
3157 /* Set HANDLER to be the body of GIMPLE_CATCH GS. */
3160 gimple_catch_set_handler (gimple gs, gimple_seq handler)
3162 GIMPLE_CHECK (gs, GIMPLE_CATCH);
3163 gs->gimple_catch.handler = handler;
3167 /* Return the types handled by GIMPLE_EH_FILTER statement GS. */
3170 gimple_eh_filter_types (const_gimple gs)
3172 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3173 return gs->gimple_eh_filter.types;
3177 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement
3180 static inline tree *
3181 gimple_eh_filter_types_ptr (gimple gs)
3183 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3184 return &gs->gimple_eh_filter.types;
3188 /* Return a pointer to the sequence of statement to execute when
3189 GIMPLE_EH_FILTER statement fails. */
3191 static inline gimple_seq *
3192 gimple_eh_filter_failure_ptr (gimple gs)
3194 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3195 return &gs->gimple_eh_filter.failure;
3199 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER
3202 static inline gimple_seq
3203 gimple_eh_filter_failure (gimple gs)
3205 return *gimple_eh_filter_failure_ptr (gs);
3209 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */
3212 gimple_eh_filter_set_types (gimple gs, tree types)
3214 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3215 gs->gimple_eh_filter.types = types;
3219 /* Set FAILURE to be the sequence of statements to execute on failure
3220 for GIMPLE_EH_FILTER GS. */
3223 gimple_eh_filter_set_failure (gimple gs, gimple_seq failure)
3225 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
3226 gs->gimple_eh_filter.failure = failure;
3229 /* Get the function decl to be called by the MUST_NOT_THROW region. */
3232 gimple_eh_must_not_throw_fndecl (gimple gs)
3234 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
3235 return gs->gimple_eh_mnt.fndecl;
3238 /* Set the function decl to be called by GS to DECL. */
3241 gimple_eh_must_not_throw_set_fndecl (gimple gs, tree decl)
3243 GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW);
3244 gs->gimple_eh_mnt.fndecl = decl;
3247 /* GIMPLE_EH_ELSE accessors. */
3249 static inline gimple_seq *
3250 gimple_eh_else_n_body_ptr (gimple gs)
3252 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3253 return &gs->gimple_eh_else.n_body;
3256 static inline gimple_seq
3257 gimple_eh_else_n_body (gimple gs)
3259 return *gimple_eh_else_n_body_ptr (gs);
3262 static inline gimple_seq *
3263 gimple_eh_else_e_body_ptr (gimple gs)
3265 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3266 return &gs->gimple_eh_else.e_body;
3269 static inline gimple_seq
3270 gimple_eh_else_e_body (gimple gs)
3272 return *gimple_eh_else_e_body_ptr (gs);
3276 gimple_eh_else_set_n_body (gimple gs, gimple_seq seq)
3278 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3279 gs->gimple_eh_else.n_body = seq;
3283 gimple_eh_else_set_e_body (gimple gs, gimple_seq seq)
3285 GIMPLE_CHECK (gs, GIMPLE_EH_ELSE);
3286 gs->gimple_eh_else.e_body = seq;
3289 /* GIMPLE_TRY accessors. */
3291 /* Return the kind of try block represented by GIMPLE_TRY GS. This is
3292 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */
3294 static inline enum gimple_try_flags
3295 gimple_try_kind (const_gimple gs)
3297 GIMPLE_CHECK (gs, GIMPLE_TRY);
3298 return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND);
3302 /* Set the kind of try block represented by GIMPLE_TRY GS. */
3305 gimple_try_set_kind (gimple gs, enum gimple_try_flags kind)
3307 GIMPLE_CHECK (gs, GIMPLE_TRY);
3308 gcc_gimple_checking_assert (kind == GIMPLE_TRY_CATCH
3309 || kind == GIMPLE_TRY_FINALLY);
3310 if (gimple_try_kind (gs) != kind)
3311 gs->gsbase.subcode = (unsigned int) kind;
3315 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3318 gimple_try_catch_is_cleanup (const_gimple gs)
3320 gcc_gimple_checking_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH);
3321 return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0;
3325 /* Return a pointer to the sequence of statements used as the
3326 body for GIMPLE_TRY GS. */
3328 static inline gimple_seq *
3329 gimple_try_eval_ptr (gimple gs)
3331 GIMPLE_CHECK (gs, GIMPLE_TRY);
3332 return &gs->gimple_try.eval;
3336 /* Return the sequence of statements used as the body for GIMPLE_TRY GS. */
3338 static inline gimple_seq
3339 gimple_try_eval (gimple gs)
3341 return *gimple_try_eval_ptr (gs);
3345 /* Return a pointer to the sequence of statements used as the cleanup body for
3348 static inline gimple_seq *
3349 gimple_try_cleanup_ptr (gimple gs)
3351 GIMPLE_CHECK (gs, GIMPLE_TRY);
3352 return &gs->gimple_try.cleanup;
3356 /* Return the sequence of statements used as the cleanup body for
3359 static inline gimple_seq
3360 gimple_try_cleanup (gimple gs)
3362 return *gimple_try_cleanup_ptr (gs);
3366 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
3369 gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup)
3371 gcc_gimple_checking_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH);
3372 if (catch_is_cleanup)
3373 g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP;
3375 g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP;
3379 /* Set EVAL to be the sequence of statements to use as the body for
3383 gimple_try_set_eval (gimple gs, gimple_seq eval)
3385 GIMPLE_CHECK (gs, GIMPLE_TRY);
3386 gs->gimple_try.eval = eval;
3390 /* Set CLEANUP to be the sequence of statements to use as the cleanup
3391 body for GIMPLE_TRY GS. */
3394 gimple_try_set_cleanup (gimple gs, gimple_seq cleanup)
3396 GIMPLE_CHECK (gs, GIMPLE_TRY);
3397 gs->gimple_try.cleanup = cleanup;
3401 /* Return a pointer to the cleanup sequence for cleanup statement GS. */
3403 static inline gimple_seq *
3404 gimple_wce_cleanup_ptr (gimple gs)
3406 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3407 return &gs->gimple_wce.cleanup;
3411 /* Return the cleanup sequence for cleanup statement GS. */
3413 static inline gimple_seq
3414 gimple_wce_cleanup (gimple gs)
3416 return *gimple_wce_cleanup_ptr (gs);
3420 /* Set CLEANUP to be the cleanup sequence for GS. */
3423 gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup)
3425 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3426 gs->gimple_wce.cleanup = cleanup;
3430 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */
3433 gimple_wce_cleanup_eh_only (const_gimple gs)
3435 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3436 return gs->gsbase.subcode != 0;
3440 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */
3443 gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p)
3445 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3446 gs->gsbase.subcode = (unsigned int) eh_only_p;
3450 /* Return the maximum number of arguments supported by GIMPLE_PHI GS. */
3452 static inline unsigned
3453 gimple_phi_capacity (const_gimple gs)
3455 GIMPLE_CHECK (gs, GIMPLE_PHI);
3456 return gs->gimple_phi.capacity;
3460 /* Return the number of arguments in GIMPLE_PHI GS. This must always
3461 be exactly the number of incoming edges for the basic block holding
3464 static inline unsigned
3465 gimple_phi_num_args (const_gimple gs)
3467 GIMPLE_CHECK (gs, GIMPLE_PHI);
3468 return gs->gimple_phi.nargs;
3472 /* Return the SSA name created by GIMPLE_PHI GS. */
3475 gimple_phi_result (const_gimple gs)
3477 GIMPLE_CHECK (gs, GIMPLE_PHI);
3478 return gs->gimple_phi.result;
3481 /* Return a pointer to the SSA name created by GIMPLE_PHI GS. */
3483 static inline tree *
3484 gimple_phi_result_ptr (gimple gs)
3486 GIMPLE_CHECK (gs, GIMPLE_PHI);
3487 return &gs->gimple_phi.result;
3490 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */
3493 gimple_phi_set_result (gimple gs, tree result)
3495 GIMPLE_CHECK (gs, GIMPLE_PHI);
3496 gs->gimple_phi.result = result;
3497 if (result && TREE_CODE (result) == SSA_NAME)
3498 SSA_NAME_DEF_STMT (result) = gs;
3502 /* Return the PHI argument corresponding to incoming edge INDEX for
3505 static inline struct phi_arg_d *
3506 gimple_phi_arg (gimple gs, unsigned index)
3508 GIMPLE_CHECK (gs, GIMPLE_PHI);
3509 gcc_gimple_checking_assert (index <= gs->gimple_phi.capacity);
3510 return &(gs->gimple_phi.args[index]);
3513 /* Set PHIARG to be the argument corresponding to incoming edge INDEX
3514 for GIMPLE_PHI GS. */
3517 gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg)
3519 GIMPLE_CHECK (gs, GIMPLE_PHI);
3520 gcc_gimple_checking_assert (index <= gs->gimple_phi.nargs);
3521 gs->gimple_phi.args[index] = *phiarg;
3524 /* Return the region number for GIMPLE_RESX GS. */
3527 gimple_resx_region (const_gimple gs)
3529 GIMPLE_CHECK (gs, GIMPLE_RESX);
3530 return gs->gimple_eh_ctrl.region;
3533 /* Set REGION to be the region number for GIMPLE_RESX GS. */
3536 gimple_resx_set_region (gimple gs, int region)
3538 GIMPLE_CHECK (gs, GIMPLE_RESX);
3539 gs->gimple_eh_ctrl.region = region;
3542 /* Return the region number for GIMPLE_EH_DISPATCH GS. */
3545 gimple_eh_dispatch_region (const_gimple gs)
3547 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3548 return gs->gimple_eh_ctrl.region;
3551 /* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS. */
3554 gimple_eh_dispatch_set_region (gimple gs, int region)
3556 GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH);
3557 gs->gimple_eh_ctrl.region = region;
3560 /* Return the number of labels associated with the switch statement GS. */
3562 static inline unsigned
3563 gimple_switch_num_labels (const_gimple gs)
3566 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3567 num_ops = gimple_num_ops (gs);
3568 gcc_gimple_checking_assert (num_ops > 1);
3573 /* Set NLABELS to be the number of labels for the switch statement GS. */
3576 gimple_switch_set_num_labels (gimple g, unsigned nlabels)
3578 GIMPLE_CHECK (g, GIMPLE_SWITCH);
3579 gimple_set_num_ops (g, nlabels + 1);
3583 /* Return the index variable used by the switch statement GS. */
3586 gimple_switch_index (const_gimple gs)
3588 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3589 return gimple_op (gs, 0);
3593 /* Return a pointer to the index variable for the switch statement GS. */
3595 static inline tree *
3596 gimple_switch_index_ptr (const_gimple gs)
3598 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3599 return gimple_op_ptr (gs, 0);
3603 /* Set INDEX to be the index variable for switch statement GS. */
3606 gimple_switch_set_index (gimple gs, tree index)
3608 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3609 gcc_gimple_checking_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index));
3610 gimple_set_op (gs, 0, index);
3614 /* Return the label numbered INDEX. The default label is 0, followed by any
3615 labels in a switch statement. */
3618 gimple_switch_label (const_gimple gs, unsigned index)
3620 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3621 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1);
3622 return gimple_op (gs, index + 1);
3625 /* Set the label number INDEX to LABEL. 0 is always the default label. */
3628 gimple_switch_set_label (gimple gs, unsigned index, tree label)
3630 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3631 gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1
3632 && (label == NULL_TREE
3633 || TREE_CODE (label) == CASE_LABEL_EXPR));
3634 gimple_set_op (gs, index + 1, label);
3637 /* Return the default label for a switch statement. */
3640 gimple_switch_default_label (const_gimple gs)
3642 return gimple_switch_label (gs, 0);
3645 /* Set the default label for a switch statement. */
3648 gimple_switch_set_default_label (gimple gs, tree label)
3650 gimple_switch_set_label (gs, 0, label);
3653 /* Return true if GS is a GIMPLE_DEBUG statement. */
3656 is_gimple_debug (const_gimple gs)
3658 return gimple_code (gs) == GIMPLE_DEBUG;
3661 /* Return true if S is a GIMPLE_DEBUG BIND statement. */
3664 gimple_debug_bind_p (const_gimple s)
3666 if (is_gimple_debug (s))
3667 return s->gsbase.subcode == GIMPLE_DEBUG_BIND;
3672 /* Return the variable bound in a GIMPLE_DEBUG bind statement. */
3675 gimple_debug_bind_get_var (gimple dbg)
3677 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3678 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3679 return gimple_op (dbg, 0);
3682 /* Return the value bound to the variable in a GIMPLE_DEBUG bind
3686 gimple_debug_bind_get_value (gimple dbg)
3688 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3689 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3690 return gimple_op (dbg, 1);
3693 /* Return a pointer to the value bound to the variable in a
3694 GIMPLE_DEBUG bind statement. */
3696 static inline tree *
3697 gimple_debug_bind_get_value_ptr (gimple dbg)
3699 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3700 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3701 return gimple_op_ptr (dbg, 1);
3704 /* Set the variable bound in a GIMPLE_DEBUG bind statement. */
3707 gimple_debug_bind_set_var (gimple dbg, tree var)
3709 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3710 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3711 gimple_set_op (dbg, 0, var);
3714 /* Set the value bound to the variable in a GIMPLE_DEBUG bind
3718 gimple_debug_bind_set_value (gimple dbg, tree value)
3720 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3721 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3722 gimple_set_op (dbg, 1, value);
3725 /* The second operand of a GIMPLE_DEBUG_BIND, when the value was
3727 #define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */
3729 /* Remove the value bound to the variable in a GIMPLE_DEBUG bind
3733 gimple_debug_bind_reset_value (gimple dbg)
3735 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3736 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3737 gimple_set_op (dbg, 1, GIMPLE_DEBUG_BIND_NOVALUE);
3740 /* Return true if the GIMPLE_DEBUG bind statement is bound to a
3744 gimple_debug_bind_has_value_p (gimple dbg)
3746 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3747 gcc_gimple_checking_assert (gimple_debug_bind_p (dbg));
3748 return gimple_op (dbg, 1) != GIMPLE_DEBUG_BIND_NOVALUE;
3751 #undef GIMPLE_DEBUG_BIND_NOVALUE
3753 /* Return true if S is a GIMPLE_DEBUG SOURCE BIND statement. */
3756 gimple_debug_source_bind_p (const_gimple s)
3758 if (is_gimple_debug (s))
3759 return s->gsbase.subcode == GIMPLE_DEBUG_SOURCE_BIND;
3764 /* Return the variable bound in a GIMPLE_DEBUG source bind statement. */
3767 gimple_debug_source_bind_get_var (gimple dbg)
3769 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3770 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3771 return gimple_op (dbg, 0);
3774 /* Return the value bound to the variable in a GIMPLE_DEBUG source bind
3778 gimple_debug_source_bind_get_value (gimple dbg)
3780 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3781 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3782 return gimple_op (dbg, 1);
3785 /* Return a pointer to the value bound to the variable in a
3786 GIMPLE_DEBUG source bind statement. */
3788 static inline tree *
3789 gimple_debug_source_bind_get_value_ptr (gimple dbg)
3791 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3792 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3793 return gimple_op_ptr (dbg, 1);
3796 /* Set the variable bound in a GIMPLE_DEBUG source bind statement. */
3799 gimple_debug_source_bind_set_var (gimple dbg, tree var)
3801 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3802 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3803 gimple_set_op (dbg, 0, var);
3806 /* Set the value bound to the variable in a GIMPLE_DEBUG source bind
3810 gimple_debug_source_bind_set_value (gimple dbg, tree value)
3812 GIMPLE_CHECK (dbg, GIMPLE_DEBUG);
3813 gcc_gimple_checking_assert (gimple_debug_source_bind_p (dbg));
3814 gimple_set_op (dbg, 1, value);
3817 /* Return a pointer to the body for the OMP statement GS. */
3819 static inline gimple_seq *
3820 gimple_omp_body_ptr (gimple gs)
3822 return &gs->omp.body;
3825 /* Return the body for the OMP statement GS. */
3827 static inline gimple_seq
3828 gimple_omp_body (gimple gs)
3830 return *gimple_omp_body_ptr (gs);
3833 /* Set BODY to be the body for the OMP statement GS. */
3836 gimple_omp_set_body (gimple gs, gimple_seq body)
3838 gs->omp.body = body;
3842 /* Return the name associated with OMP_CRITICAL statement GS. */
3845 gimple_omp_critical_name (const_gimple gs)
3847 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3848 return gs->gimple_omp_critical.name;
3852 /* Return a pointer to the name associated with OMP critical statement GS. */
3854 static inline tree *
3855 gimple_omp_critical_name_ptr (gimple gs)
3857 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3858 return &gs->gimple_omp_critical.name;
3862 /* Set NAME to be the name associated with OMP critical statement GS. */
3865 gimple_omp_critical_set_name (gimple gs, tree name)
3867 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3868 gs->gimple_omp_critical.name = name;
3872 /* Return the clauses associated with OMP_FOR GS. */
3875 gimple_omp_for_clauses (const_gimple gs)
3877 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3878 return gs->gimple_omp_for.clauses;
3882 /* Return a pointer to the OMP_FOR GS. */
3884 static inline tree *
3885 gimple_omp_for_clauses_ptr (gimple gs)
3887 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3888 return &gs->gimple_omp_for.clauses;
3892 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */
3895 gimple_omp_for_set_clauses (gimple gs, tree clauses)
3897 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3898 gs->gimple_omp_for.clauses = clauses;
3902 /* Get the collapse count of OMP_FOR GS. */
3904 static inline size_t
3905 gimple_omp_for_collapse (gimple gs)
3907 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3908 return gs->gimple_omp_for.collapse;
3912 /* Return the index variable for OMP_FOR GS. */
3915 gimple_omp_for_index (const_gimple gs, size_t i)
3917 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3918 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3919 return gs->gimple_omp_for.iter[i].index;
3923 /* Return a pointer to the index variable for OMP_FOR GS. */
3925 static inline tree *
3926 gimple_omp_for_index_ptr (gimple gs, size_t i)
3928 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3929 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3930 return &gs->gimple_omp_for.iter[i].index;
3934 /* Set INDEX to be the index variable for OMP_FOR GS. */
3937 gimple_omp_for_set_index (gimple gs, size_t i, tree index)
3939 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3940 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3941 gs->gimple_omp_for.iter[i].index = index;
3945 /* Return the initial value for OMP_FOR GS. */
3948 gimple_omp_for_initial (const_gimple gs, size_t i)
3950 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3951 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3952 return gs->gimple_omp_for.iter[i].initial;
3956 /* Return a pointer to the initial value for OMP_FOR GS. */
3958 static inline tree *
3959 gimple_omp_for_initial_ptr (gimple gs, size_t i)
3961 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3962 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3963 return &gs->gimple_omp_for.iter[i].initial;
3967 /* Set INITIAL to be the initial value for OMP_FOR GS. */
3970 gimple_omp_for_set_initial (gimple gs, size_t i, tree initial)
3972 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3973 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3974 gs->gimple_omp_for.iter[i].initial = initial;
3978 /* Return the final value for OMP_FOR GS. */
3981 gimple_omp_for_final (const_gimple gs, size_t i)
3983 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3984 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3985 return gs->gimple_omp_for.iter[i].final;
3989 /* Return a pointer to the final value for OMP_FOR GS. */
3991 static inline tree *
3992 gimple_omp_for_final_ptr (gimple gs, size_t i)
3994 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3995 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
3996 return &gs->gimple_omp_for.iter[i].final;
4000 /* Set FINAL to be the final value for OMP_FOR GS. */
4003 gimple_omp_for_set_final (gimple gs, size_t i, tree final)
4005 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4006 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
4007 gs->gimple_omp_for.iter[i].final = final;
4011 /* Return the increment value for OMP_FOR GS. */
4014 gimple_omp_for_incr (const_gimple gs, size_t i)
4016 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4017 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
4018 return gs->gimple_omp_for.iter[i].incr;
4022 /* Return a pointer to the increment value for OMP_FOR GS. */
4024 static inline tree *
4025 gimple_omp_for_incr_ptr (gimple gs, size_t i)
4027 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4028 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
4029 return &gs->gimple_omp_for.iter[i].incr;
4033 /* Set INCR to be the increment value for OMP_FOR GS. */
4036 gimple_omp_for_set_incr (gimple gs, size_t i, tree incr)
4038 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4039 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
4040 gs->gimple_omp_for.iter[i].incr = incr;
4044 /* Return a pointer to the sequence of statements to execute before the OMP_FOR
4045 statement GS starts. */
4047 static inline gimple_seq *
4048 gimple_omp_for_pre_body_ptr (gimple gs)
4050 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4051 return &gs->gimple_omp_for.pre_body;
4055 /* Return the sequence of statements to execute before the OMP_FOR
4056 statement GS starts. */
4058 static inline gimple_seq
4059 gimple_omp_for_pre_body (gimple gs)
4061 return *gimple_omp_for_pre_body_ptr (gs);
4065 /* Set PRE_BODY to be the sequence of statements to execute before the
4066 OMP_FOR statement GS starts. */
4069 gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body)
4071 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4072 gs->gimple_omp_for.pre_body = pre_body;
4076 /* Return the clauses associated with OMP_PARALLEL GS. */
4079 gimple_omp_parallel_clauses (const_gimple gs)
4081 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4082 return gs->gimple_omp_parallel.clauses;
4086 /* Return a pointer to the clauses associated with OMP_PARALLEL GS. */
4088 static inline tree *
4089 gimple_omp_parallel_clauses_ptr (gimple gs)
4091 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4092 return &gs->gimple_omp_parallel.clauses;
4096 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL
4100 gimple_omp_parallel_set_clauses (gimple gs, tree clauses)
4102 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4103 gs->gimple_omp_parallel.clauses = clauses;
4107 /* Return the child function used to hold the body of OMP_PARALLEL GS. */
4110 gimple_omp_parallel_child_fn (const_gimple gs)
4112 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4113 return gs->gimple_omp_parallel.child_fn;
4116 /* Return a pointer to the child function used to hold the body of
4119 static inline tree *
4120 gimple_omp_parallel_child_fn_ptr (gimple gs)
4122 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4123 return &gs->gimple_omp_parallel.child_fn;
4127 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */
4130 gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn)
4132 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4133 gs->gimple_omp_parallel.child_fn = child_fn;
4137 /* Return the artificial argument used to send variables and values
4138 from the parent to the children threads in OMP_PARALLEL GS. */
4141 gimple_omp_parallel_data_arg (const_gimple gs)
4143 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4144 return gs->gimple_omp_parallel.data_arg;
4148 /* Return a pointer to the data argument for OMP_PARALLEL GS. */
4150 static inline tree *
4151 gimple_omp_parallel_data_arg_ptr (gimple gs)
4153 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4154 return &gs->gimple_omp_parallel.data_arg;
4158 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */
4161 gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg)
4163 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
4164 gs->gimple_omp_parallel.data_arg = data_arg;
4168 /* Return the clauses associated with OMP_TASK GS. */
4171 gimple_omp_task_clauses (const_gimple gs)
4173 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4174 return gs->gimple_omp_parallel.clauses;
4178 /* Return a pointer to the clauses associated with OMP_TASK GS. */
4180 static inline tree *
4181 gimple_omp_task_clauses_ptr (gimple gs)
4183 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4184 return &gs->gimple_omp_parallel.clauses;
4188 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
4192 gimple_omp_task_set_clauses (gimple gs, tree clauses)
4194 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4195 gs->gimple_omp_parallel.clauses = clauses;
4199 /* Return the child function used to hold the body of OMP_TASK GS. */
4202 gimple_omp_task_child_fn (const_gimple gs)
4204 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4205 return gs->gimple_omp_parallel.child_fn;
4208 /* Return a pointer to the child function used to hold the body of
4211 static inline tree *
4212 gimple_omp_task_child_fn_ptr (gimple gs)
4214 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4215 return &gs->gimple_omp_parallel.child_fn;
4219 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
4222 gimple_omp_task_set_child_fn (gimple gs, tree child_fn)
4224 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4225 gs->gimple_omp_parallel.child_fn = child_fn;
4229 /* Return the artificial argument used to send variables and values
4230 from the parent to the children threads in OMP_TASK GS. */
4233 gimple_omp_task_data_arg (const_gimple gs)
4235 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4236 return gs->gimple_omp_parallel.data_arg;
4240 /* Return a pointer to the data argument for OMP_TASK GS. */
4242 static inline tree *
4243 gimple_omp_task_data_arg_ptr (gimple gs)
4245 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4246 return &gs->gimple_omp_parallel.data_arg;
4250 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
4253 gimple_omp_task_set_data_arg (gimple gs, tree data_arg)
4255 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4256 gs->gimple_omp_parallel.data_arg = data_arg;
4260 /* Return the clauses associated with OMP_TASK GS. */
4263 gimple_omp_taskreg_clauses (const_gimple gs)
4265 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4266 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4267 return gs->gimple_omp_parallel.clauses;
4271 /* Return a pointer to the clauses associated with OMP_TASK GS. */
4273 static inline tree *
4274 gimple_omp_taskreg_clauses_ptr (gimple gs)
4276 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4277 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4278 return &gs->gimple_omp_parallel.clauses;
4282 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
4286 gimple_omp_taskreg_set_clauses (gimple gs, tree clauses)
4288 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4289 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4290 gs->gimple_omp_parallel.clauses = clauses;
4294 /* Return the child function used to hold the body of OMP_TASK GS. */
4297 gimple_omp_taskreg_child_fn (const_gimple gs)
4299 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4300 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4301 return gs->gimple_omp_parallel.child_fn;
4304 /* Return a pointer to the child function used to hold the body of
4307 static inline tree *
4308 gimple_omp_taskreg_child_fn_ptr (gimple gs)
4310 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4311 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4312 return &gs->gimple_omp_parallel.child_fn;
4316 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
4319 gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn)
4321 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4322 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4323 gs->gimple_omp_parallel.child_fn = child_fn;
4327 /* Return the artificial argument used to send variables and values
4328 from the parent to the children threads in OMP_TASK GS. */
4331 gimple_omp_taskreg_data_arg (const_gimple gs)
4333 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4334 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4335 return gs->gimple_omp_parallel.data_arg;
4339 /* Return a pointer to the data argument for OMP_TASK GS. */
4341 static inline tree *
4342 gimple_omp_taskreg_data_arg_ptr (gimple gs)
4344 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4345 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4346 return &gs->gimple_omp_parallel.data_arg;
4350 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
4353 gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg)
4355 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
4356 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4357 gs->gimple_omp_parallel.data_arg = data_arg;
4361 /* Return the copy function used to hold the body of OMP_TASK GS. */
4364 gimple_omp_task_copy_fn (const_gimple gs)
4366 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4367 return gs->gimple_omp_task.copy_fn;
4370 /* Return a pointer to the copy function used to hold the body of
4373 static inline tree *
4374 gimple_omp_task_copy_fn_ptr (gimple gs)
4376 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4377 return &gs->gimple_omp_task.copy_fn;
4381 /* Set CHILD_FN to be the copy function for OMP_TASK GS. */
4384 gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn)
4386 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4387 gs->gimple_omp_task.copy_fn = copy_fn;
4391 /* Return size of the data block in bytes in OMP_TASK GS. */
4394 gimple_omp_task_arg_size (const_gimple gs)
4396 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4397 return gs->gimple_omp_task.arg_size;
4401 /* Return a pointer to the data block size for OMP_TASK GS. */
4403 static inline tree *
4404 gimple_omp_task_arg_size_ptr (gimple gs)
4406 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4407 return &gs->gimple_omp_task.arg_size;
4411 /* Set ARG_SIZE to be the data block size for OMP_TASK GS. */
4414 gimple_omp_task_set_arg_size (gimple gs, tree arg_size)
4416 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4417 gs->gimple_omp_task.arg_size = arg_size;
4421 /* Return align of the data block in bytes in OMP_TASK GS. */
4424 gimple_omp_task_arg_align (const_gimple gs)
4426 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4427 return gs->gimple_omp_task.arg_align;
4431 /* Return a pointer to the data block align for OMP_TASK GS. */
4433 static inline tree *
4434 gimple_omp_task_arg_align_ptr (gimple gs)
4436 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4437 return &gs->gimple_omp_task.arg_align;
4441 /* Set ARG_SIZE to be the data block align for OMP_TASK GS. */
4444 gimple_omp_task_set_arg_align (gimple gs, tree arg_align)
4446 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
4447 gs->gimple_omp_task.arg_align = arg_align;
4451 /* Return the clauses associated with OMP_SINGLE GS. */
4454 gimple_omp_single_clauses (const_gimple gs)
4456 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4457 return gs->gimple_omp_single.clauses;
4461 /* Return a pointer to the clauses associated with OMP_SINGLE GS. */
4463 static inline tree *
4464 gimple_omp_single_clauses_ptr (gimple gs)
4466 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4467 return &gs->gimple_omp_single.clauses;
4471 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */
4474 gimple_omp_single_set_clauses (gimple gs, tree clauses)
4476 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
4477 gs->gimple_omp_single.clauses = clauses;
4481 /* Return the clauses associated with OMP_SECTIONS GS. */
4484 gimple_omp_sections_clauses (const_gimple gs)
4486 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4487 return gs->gimple_omp_sections.clauses;
4491 /* Return a pointer to the clauses associated with OMP_SECTIONS GS. */
4493 static inline tree *
4494 gimple_omp_sections_clauses_ptr (gimple gs)
4496 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4497 return &gs->gimple_omp_sections.clauses;
4501 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS
4505 gimple_omp_sections_set_clauses (gimple gs, tree clauses)
4507 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4508 gs->gimple_omp_sections.clauses = clauses;
4512 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS
4516 gimple_omp_sections_control (const_gimple gs)
4518 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4519 return gs->gimple_omp_sections.control;
4523 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS
4526 static inline tree *
4527 gimple_omp_sections_control_ptr (gimple gs)
4529 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4530 return &gs->gimple_omp_sections.control;
4534 /* Set CONTROL to be the set of clauses associated with the
4535 GIMPLE_OMP_SECTIONS in GS. */
4538 gimple_omp_sections_set_control (gimple gs, tree control)
4540 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
4541 gs->gimple_omp_sections.control = control;
4545 /* Set COND to be the condition code for OMP_FOR GS. */
4548 gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond)
4550 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4551 gcc_gimple_checking_assert (TREE_CODE_CLASS (cond) == tcc_comparison
4552 && i < gs->gimple_omp_for.collapse);
4553 gs->gimple_omp_for.iter[i].cond = cond;
4557 /* Return the condition code associated with OMP_FOR GS. */
4559 static inline enum tree_code
4560 gimple_omp_for_cond (const_gimple gs, size_t i)
4562 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
4563 gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse);
4564 return gs->gimple_omp_for.iter[i].cond;
4568 /* Set the value being stored in an atomic store. */
4571 gimple_omp_atomic_store_set_val (gimple g, tree val)
4573 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4574 g->gimple_omp_atomic_store.val = val;
4578 /* Return the value being stored in an atomic store. */
4581 gimple_omp_atomic_store_val (const_gimple g)
4583 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4584 return g->gimple_omp_atomic_store.val;
4588 /* Return a pointer to the value being stored in an atomic store. */
4590 static inline tree *
4591 gimple_omp_atomic_store_val_ptr (gimple g)
4593 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
4594 return &g->gimple_omp_atomic_store.val;
4598 /* Set the LHS of an atomic load. */
4601 gimple_omp_atomic_load_set_lhs (gimple g, tree lhs)
4603 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4604 g->gimple_omp_atomic_load.lhs = lhs;
4608 /* Get the LHS of an atomic load. */
4611 gimple_omp_atomic_load_lhs (const_gimple g)
4613 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4614 return g->gimple_omp_atomic_load.lhs;
4618 /* Return a pointer to the LHS of an atomic load. */
4620 static inline tree *
4621 gimple_omp_atomic_load_lhs_ptr (gimple g)
4623 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4624 return &g->gimple_omp_atomic_load.lhs;
4628 /* Set the RHS of an atomic load. */
4631 gimple_omp_atomic_load_set_rhs (gimple g, tree rhs)
4633 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4634 g->gimple_omp_atomic_load.rhs = rhs;
4638 /* Get the RHS of an atomic load. */
4641 gimple_omp_atomic_load_rhs (const_gimple g)
4643 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4644 return g->gimple_omp_atomic_load.rhs;
4648 /* Return a pointer to the RHS of an atomic load. */
4650 static inline tree *
4651 gimple_omp_atomic_load_rhs_ptr (gimple g)
4653 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4654 return &g->gimple_omp_atomic_load.rhs;
4658 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4661 gimple_omp_continue_control_def (const_gimple g)
4663 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4664 return g->gimple_omp_continue.control_def;
4667 /* The same as above, but return the address. */
4669 static inline tree *
4670 gimple_omp_continue_control_def_ptr (gimple g)
4672 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4673 return &g->gimple_omp_continue.control_def;
4676 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4679 gimple_omp_continue_set_control_def (gimple g, tree def)
4681 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4682 g->gimple_omp_continue.control_def = def;
4686 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4689 gimple_omp_continue_control_use (const_gimple g)
4691 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4692 return g->gimple_omp_continue.control_use;
4696 /* The same as above, but return the address. */
4698 static inline tree *
4699 gimple_omp_continue_control_use_ptr (gimple g)
4701 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4702 return &g->gimple_omp_continue.control_use;
4706 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4709 gimple_omp_continue_set_control_use (gimple g, tree use)
4711 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4712 g->gimple_omp_continue.control_use = use;
4715 /* Return a pointer to the body for the GIMPLE_TRANSACTION statement GS. */
4717 static inline gimple_seq *
4718 gimple_transaction_body_ptr (gimple gs)
4720 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4721 return &gs->gimple_transaction.body;
4724 /* Return the body for the GIMPLE_TRANSACTION statement GS. */
4726 static inline gimple_seq
4727 gimple_transaction_body (gimple gs)
4729 return *gimple_transaction_body_ptr (gs);
4732 /* Return the label associated with a GIMPLE_TRANSACTION. */
4735 gimple_transaction_label (const_gimple gs)
4737 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4738 return gs->gimple_transaction.label;
4741 static inline tree *
4742 gimple_transaction_label_ptr (gimple gs)
4744 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4745 return &gs->gimple_transaction.label;
4748 /* Return the subcode associated with a GIMPLE_TRANSACTION. */
4750 static inline unsigned int
4751 gimple_transaction_subcode (const_gimple gs)
4753 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4754 return gs->gsbase.subcode;
4757 /* Set BODY to be the body for the GIMPLE_TRANSACTION statement GS. */
4760 gimple_transaction_set_body (gimple gs, gimple_seq body)
4762 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4763 gs->gimple_transaction.body = body;
4766 /* Set the label associated with a GIMPLE_TRANSACTION. */
4769 gimple_transaction_set_label (gimple gs, tree label)
4771 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4772 gs->gimple_transaction.label = label;
4775 /* Set the subcode associated with a GIMPLE_TRANSACTION. */
4778 gimple_transaction_set_subcode (gimple gs, unsigned int subcode)
4780 GIMPLE_CHECK (gs, GIMPLE_TRANSACTION);
4781 gs->gsbase.subcode = subcode;
4785 /* Return a pointer to the return value for GIMPLE_RETURN GS. */
4787 static inline tree *
4788 gimple_return_retval_ptr (const_gimple gs)
4790 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4791 return gimple_op_ptr (gs, 0);
4794 /* Return the return value for GIMPLE_RETURN GS. */
4797 gimple_return_retval (const_gimple gs)
4799 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4800 return gimple_op (gs, 0);
4804 /* Set RETVAL to be the return value for GIMPLE_RETURN GS. */
4807 gimple_return_set_retval (gimple gs, tree retval)
4809 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4810 gimple_set_op (gs, 0, retval);
4814 /* Returns true when the gimple statement STMT is any of the OpenMP types. */
4816 #define CASE_GIMPLE_OMP \
4817 case GIMPLE_OMP_PARALLEL: \
4818 case GIMPLE_OMP_TASK: \
4819 case GIMPLE_OMP_FOR: \
4820 case GIMPLE_OMP_SECTIONS: \
4821 case GIMPLE_OMP_SECTIONS_SWITCH: \
4822 case GIMPLE_OMP_SINGLE: \
4823 case GIMPLE_OMP_SECTION: \
4824 case GIMPLE_OMP_MASTER: \
4825 case GIMPLE_OMP_ORDERED: \
4826 case GIMPLE_OMP_CRITICAL: \
4827 case GIMPLE_OMP_RETURN: \
4828 case GIMPLE_OMP_ATOMIC_LOAD: \
4829 case GIMPLE_OMP_ATOMIC_STORE: \
4830 case GIMPLE_OMP_CONTINUE
4833 is_gimple_omp (const_gimple stmt)
4835 switch (gimple_code (stmt))
4845 /* Returns TRUE if statement G is a GIMPLE_NOP. */
4848 gimple_nop_p (const_gimple g)
4850 return gimple_code (g) == GIMPLE_NOP;
4854 /* Return true if GS is a GIMPLE_RESX. */
4857 is_gimple_resx (const_gimple gs)
4859 return gimple_code (gs) == GIMPLE_RESX;
4862 /* Return the predictor of GIMPLE_PREDICT statement GS. */
4864 static inline enum br_predictor
4865 gimple_predict_predictor (gimple gs)
4867 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4868 return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN);
4872 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */
4875 gimple_predict_set_predictor (gimple gs, enum br_predictor predictor)
4877 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4878 gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN)
4879 | (unsigned) predictor;
4883 /* Return the outcome of GIMPLE_PREDICT statement GS. */
4885 static inline enum prediction
4886 gimple_predict_outcome (gimple gs)
4888 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4889 return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN;
4893 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */
4896 gimple_predict_set_outcome (gimple gs, enum prediction outcome)
4898 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4899 if (outcome == TAKEN)
4900 gs->gsbase.subcode |= GF_PREDICT_TAKEN;
4902 gs->gsbase.subcode &= ~GF_PREDICT_TAKEN;
4906 /* Return the type of the main expression computed by STMT. Return
4907 void_type_node if the statement computes nothing. */
4910 gimple_expr_type (const_gimple stmt)
4912 enum gimple_code code = gimple_code (stmt);
4914 if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL)
4917 /* In general we want to pass out a type that can be substituted
4918 for both the RHS and the LHS types if there is a possibly
4919 useless conversion involved. That means returning the
4920 original RHS type as far as we can reconstruct it. */
4921 if (code == GIMPLE_CALL)
4922 type = gimple_call_return_type (stmt);
4924 switch (gimple_assign_rhs_code (stmt))
4926 case POINTER_PLUS_EXPR:
4927 type = TREE_TYPE (gimple_assign_rhs1 (stmt));
4931 /* As fallback use the type of the LHS. */
4932 type = TREE_TYPE (gimple_get_lhs (stmt));
4937 else if (code == GIMPLE_COND)
4938 return boolean_type_node;
4940 return void_type_node;
4943 /* Return true if TYPE is a suitable type for a scalar register variable. */
4946 is_gimple_reg_type (tree type)
4948 return !AGGREGATE_TYPE_P (type);
4951 /* Return a new iterator pointing to GIMPLE_SEQ's first statement. */
4953 static inline gimple_stmt_iterator
4954 gsi_start_1 (gimple_seq *seq)
4956 gimple_stmt_iterator i;
4958 i.ptr = gimple_seq_first (*seq);
4960 i.bb = i.ptr ? gimple_bb (i.ptr) : NULL;
4965 #define gsi_start(x) gsi_start_1(&(x))
4967 static inline gimple_stmt_iterator
4970 gimple_stmt_iterator i;
4977 /* Return a new iterator pointing to the first statement in basic block BB. */
4979 static inline gimple_stmt_iterator
4980 gsi_start_bb (basic_block bb)
4982 gimple_stmt_iterator i;
4985 seq = bb_seq_addr (bb);
4986 i.ptr = gimple_seq_first (*seq);
4994 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */
4996 static inline gimple_stmt_iterator
4997 gsi_last_1 (gimple_seq *seq)
4999 gimple_stmt_iterator i;
5001 i.ptr = gimple_seq_last (*seq);
5003 i.bb = i.ptr ? gimple_bb (i.ptr) : NULL;
5008 #define gsi_last(x) gsi_last_1(&(x))
5010 /* Return a new iterator pointing to the last statement in basic block BB. */
5012 static inline gimple_stmt_iterator
5013 gsi_last_bb (basic_block bb)
5015 gimple_stmt_iterator i;
5018 seq = bb_seq_addr (bb);
5019 i.ptr = gimple_seq_last (*seq);
5027 /* Return true if I is at the end of its sequence. */
5030 gsi_end_p (gimple_stmt_iterator i)
5032 return i.ptr == NULL;
5036 /* Return true if I is one statement before the end of its sequence. */
5039 gsi_one_before_end_p (gimple_stmt_iterator i)
5041 return i.ptr != NULL && i.ptr->gsbase.next == NULL;
5045 /* Advance the iterator to the next gimple statement. */
5048 gsi_next (gimple_stmt_iterator *i)
5050 i->ptr = i->ptr->gsbase.next;
5053 /* Advance the iterator to the previous gimple statement. */
5056 gsi_prev (gimple_stmt_iterator *i)
5058 gimple prev = i->ptr->gsbase.prev;
5059 if (prev->gsbase.next)
5065 /* Return the current stmt. */
5067 static inline gimple
5068 gsi_stmt (gimple_stmt_iterator i)
5073 /* Return a block statement iterator that points to the first non-label
5074 statement in block BB. */
5076 static inline gimple_stmt_iterator
5077 gsi_after_labels (basic_block bb)
5079 gimple_stmt_iterator gsi = gsi_start_bb (bb);
5081 while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL)
5087 /* Advance the iterator to the next non-debug gimple statement. */
5090 gsi_next_nondebug (gimple_stmt_iterator *i)
5096 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
5099 /* Advance the iterator to the next non-debug gimple statement. */
5102 gsi_prev_nondebug (gimple_stmt_iterator *i)
5108 while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i)));
5111 /* Return a new iterator pointing to the first non-debug statement in
5114 static inline gimple_stmt_iterator
5115 gsi_start_nondebug_bb (basic_block bb)
5117 gimple_stmt_iterator i = gsi_start_bb (bb);
5119 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
5120 gsi_next_nondebug (&i);
5125 /* Return a new iterator pointing to the last non-debug statement in
5128 static inline gimple_stmt_iterator
5129 gsi_last_nondebug_bb (basic_block bb)
5131 gimple_stmt_iterator i = gsi_last_bb (bb);
5133 if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i)))
5134 gsi_prev_nondebug (&i);
5140 /* Return the basic block associated with this iterator. */
5142 static inline basic_block
5143 gsi_bb (gimple_stmt_iterator i)
5149 /* Return the sequence associated with this iterator. */
5151 static inline gimple_seq
5152 gsi_seq (gimple_stmt_iterator i)
5158 enum gsi_iterator_update
5160 GSI_NEW_STMT, /* Only valid when single statement is added, move
5162 GSI_SAME_STMT, /* Leave the iterator at the same statement. */
5163 GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable
5164 for linking other statements in the same
5168 /* In gimple-iterator.c */
5169 gimple_stmt_iterator gsi_start_phis (basic_block);
5170 gimple_seq gsi_split_seq_after (gimple_stmt_iterator);
5171 void gsi_split_seq_before (gimple_stmt_iterator *, gimple_seq *);
5172 void gsi_set_stmt (gimple_stmt_iterator *, gimple);
5173 void gsi_replace (gimple_stmt_iterator *, gimple, bool);
5174 void gsi_replace_with_seq (gimple_stmt_iterator *, gimple_seq, bool);
5175 void gsi_insert_before (gimple_stmt_iterator *, gimple,
5176 enum gsi_iterator_update);
5177 void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple,
5178 enum gsi_iterator_update);
5179 void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq,
5180 enum gsi_iterator_update);
5181 void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq,
5182 enum gsi_iterator_update);
5183 void gsi_insert_after (gimple_stmt_iterator *, gimple,
5184 enum gsi_iterator_update);
5185 void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple,
5186 enum gsi_iterator_update);
5187 void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq,
5188 enum gsi_iterator_update);
5189 void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq,
5190 enum gsi_iterator_update);
5191 bool gsi_remove (gimple_stmt_iterator *, bool);
5192 gimple_stmt_iterator gsi_for_stmt (gimple);
5193 void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *);
5194 void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *);
5195 void gsi_move_to_bb_end (gimple_stmt_iterator *, basic_block);
5196 void gsi_insert_on_edge (edge, gimple);
5197 void gsi_insert_seq_on_edge (edge, gimple_seq);
5198 basic_block gsi_insert_on_edge_immediate (edge, gimple);
5199 basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq);
5200 void gsi_commit_one_edge_insert (edge, basic_block *);
5201 void gsi_commit_edge_inserts (void);
5202 gimple gimple_call_copy_skip_args (gimple, bitmap);
5205 /* Convenience routines to walk all statements of a gimple function.
5206 Note that this is useful exclusively before the code is converted
5207 into SSA form. Once the program is in SSA form, the standard
5208 operand interface should be used to analyze/modify statements. */
5209 struct walk_stmt_info
5211 /* Points to the current statement being walked. */
5212 gimple_stmt_iterator gsi;
5214 /* Additional data that the callback functions may want to carry
5215 through the recursion. */
5218 /* Pointer map used to mark visited tree nodes when calling
5219 walk_tree on each operand. If set to NULL, duplicate tree nodes
5220 will be visited more than once. */
5221 struct pointer_set_t *pset;
5223 /* Operand returned by the callbacks. This is set when calling
5224 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback
5225 returns non-NULL, this field will contain the tree returned by
5226 the last callback. */
5227 tree callback_result;
5229 /* Indicates whether the operand being examined may be replaced
5230 with something that matches is_gimple_val (if true) or something
5231 slightly more complicated (if false). "Something" technically
5232 means the common subset of is_gimple_lvalue and is_gimple_rhs,
5233 but we never try to form anything more complicated than that, so
5234 we don't bother checking.
5236 Also note that CALLBACK should update this flag while walking the
5237 sub-expressions of a statement. For instance, when walking the
5238 statement 'foo (&var)', the flag VAL_ONLY will initially be set
5239 to true, however, when walking &var, the operand of that
5240 ADDR_EXPR does not need to be a GIMPLE value. */
5241 BOOL_BITFIELD val_only : 1;
5243 /* True if we are currently walking the LHS of an assignment. */
5244 BOOL_BITFIELD is_lhs : 1;
5246 /* Optional. Set to true by the callback functions if they made any
5248 BOOL_BITFIELD changed : 1;
5250 /* True if we're interested in location information. */
5251 BOOL_BITFIELD want_locations : 1;
5253 /* True if we've removed the statement that was processed. */
5254 BOOL_BITFIELD removed_stmt : 1;
5257 /* Callback for walk_gimple_stmt. Called for every statement found
5258 during traversal. The first argument points to the statement to
5259 walk. The second argument is a flag that the callback sets to
5260 'true' if it the callback handled all the operands and
5261 sub-statements of the statement (the default value of this flag is
5262 'false'). The third argument is an anonymous pointer to data
5263 to be used by the callback. */
5264 typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *,
5265 struct walk_stmt_info *);
5267 gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn,
5268 struct walk_stmt_info *);
5269 gimple walk_gimple_seq_mod (gimple_seq *, walk_stmt_fn, walk_tree_fn,
5270 struct walk_stmt_info *);
5271 tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn,
5272 struct walk_stmt_info *);
5273 tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *);
5275 /* Enum and arrays used for allocation stats. Keep in sync with
5276 gimple.c:gimple_alloc_kind_names. */
5277 enum gimple_alloc_kind
5279 gimple_alloc_kind_assign, /* Assignments. */
5280 gimple_alloc_kind_phi, /* PHI nodes. */
5281 gimple_alloc_kind_cond, /* Conditionals. */
5282 gimple_alloc_kind_rest, /* Everything else. */
5283 gimple_alloc_kind_all
5286 extern int gimple_alloc_counts[];
5287 extern int gimple_alloc_sizes[];
5289 /* Return the allocation kind for a given stmt CODE. */
5290 static inline enum gimple_alloc_kind
5291 gimple_alloc_kind (enum gimple_code code)
5296 return gimple_alloc_kind_assign;
5298 return gimple_alloc_kind_phi;
5300 return gimple_alloc_kind_cond;
5302 return gimple_alloc_kind_rest;
5306 extern void dump_gimple_statistics (void);
5308 /* In gimple-fold.c. */
5309 void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree);
5310 tree gimple_fold_builtin (gimple);
5311 bool fold_stmt (gimple_stmt_iterator *);
5312 bool fold_stmt_inplace (gimple_stmt_iterator *);
5313 tree get_symbol_constant_value (tree);
5314 tree canonicalize_constructor_val (tree, tree);
5315 extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree,
5316 enum tree_code, tree, tree);
5317 extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree,
5318 enum tree_code, tree, tree);
5320 bool gimple_val_nonnegative_real_p (tree);
5321 #endif /* GCC_GIMPLE_H */