1 /* Gimple IR definitions.
3 Copyright 2007, 2008, 2009 Free Software Foundation, Inc.
4 Contributed by Aldy Hernandez <aldyh@redhat.com>
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 3, or (at your option) any later
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
25 #include "pointer-set.h"
29 #include "hard-reg-set.h"
30 #include "basic-block.h"
31 #include "tree-ssa-operands.h"
34 DEF_VEC_ALLOC_P(gimple,heap);
35 DEF_VEC_ALLOC_P(gimple,gc);
37 DEF_VEC_P(gimple_seq);
38 DEF_VEC_ALLOC_P(gimple_seq,gc);
39 DEF_VEC_ALLOC_P(gimple_seq,heap);
41 /* For each block, the PHI nodes that need to be rewritten are stored into
43 typedef VEC(gimple, heap) *gimple_vec;
44 DEF_VEC_P (gimple_vec);
45 DEF_VEC_ALLOC_P (gimple_vec, heap);
48 #define DEFGSCODE(SYM, STRING, STRUCT) SYM,
51 LAST_AND_UNUSED_GIMPLE_CODE
54 extern const char *const gimple_code_name[];
55 extern const unsigned char gimple_rhs_class_table[];
57 /* Error out if a gimple tuple is addressed incorrectly. */
58 #if defined ENABLE_GIMPLE_CHECKING
59 extern void gimple_check_failed (const_gimple, const char *, int, \
60 const char *, enum gimple_code, \
61 enum tree_code) ATTRIBUTE_NORETURN;
63 #define GIMPLE_CHECK(GS, CODE) \
65 const_gimple __gs = (GS); \
66 if (gimple_code (__gs) != (CODE)) \
67 gimple_check_failed (__gs, __FILE__, __LINE__, __FUNCTION__, \
70 #else /* not ENABLE_GIMPLE_CHECKING */
71 #define GIMPLE_CHECK(GS, CODE) (void)0
74 /* Class of GIMPLE expressions suitable for the RHS of assignments. See
75 get_gimple_rhs_class. */
78 GIMPLE_INVALID_RHS, /* The expression cannot be used on the RHS. */
79 GIMPLE_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_CANNOT_INLINE = 1 << 0,
100 GF_CALL_FROM_THUNK = 1 << 1,
101 GF_CALL_RETURN_SLOT_OPT = 1 << 2,
102 GF_CALL_TAILCALL = 1 << 3,
103 GF_CALL_VA_ARG_PACK = 1 << 4,
104 GF_OMP_PARALLEL_COMBINED = 1 << 0,
106 /* True on an GIMPLE_OMP_RETURN statement if the return does not require
107 a thread synchronization via some sort of barrier. The exact barrier
108 that would otherwise be emitted is dependent on the OMP statement with
109 which this return is associated. */
110 GF_OMP_RETURN_NOWAIT = 1 << 0,
112 GF_OMP_SECTION_LAST = 1 << 0,
113 GF_PREDICT_TAKEN = 1 << 15
116 /* Masks for selecting a pass local flag (PLF) to work on. These
117 masks are used by gimple_set_plf and gimple_plf. */
123 /* A node in a gimple_seq_d. */
124 struct gimple_seq_node_d GTY((chain_next ("%h.next"), chain_prev ("%h.prev")))
127 struct gimple_seq_node_d *prev;
128 struct gimple_seq_node_d *next;
131 /* A double-linked sequence of gimple statements. */
132 struct gimple_seq_d GTY ((chain_next ("%h.next_free")))
134 /* First and last statements in the sequence. */
135 gimple_seq_node first;
136 gimple_seq_node last;
138 /* Sequences are created/destroyed frequently. To minimize
139 allocation activity, deallocated sequences are kept in a pool of
140 available sequences. This is the pointer to the next free
141 sequence in the pool. */
142 gimple_seq next_free;
146 /* Return the first node in GIMPLE sequence S. */
148 static inline gimple_seq_node
149 gimple_seq_first (const_gimple_seq s)
151 return s ? s->first : NULL;
155 /* Return the first statement in GIMPLE sequence S. */
158 gimple_seq_first_stmt (const_gimple_seq s)
160 gimple_seq_node n = gimple_seq_first (s);
161 return (n) ? n->stmt : NULL;
165 /* Return the last node in GIMPLE sequence S. */
167 static inline gimple_seq_node
168 gimple_seq_last (const_gimple_seq s)
170 return s ? s->last : NULL;
174 /* Return the last statement in GIMPLE sequence S. */
177 gimple_seq_last_stmt (const_gimple_seq s)
179 gimple_seq_node n = gimple_seq_last (s);
180 return (n) ? n->stmt : NULL;
184 /* Set the last node in GIMPLE sequence S to LAST. */
187 gimple_seq_set_last (gimple_seq s, gimple_seq_node last)
193 /* Set the first node in GIMPLE sequence S to FIRST. */
196 gimple_seq_set_first (gimple_seq s, gimple_seq_node first)
202 /* Return true if GIMPLE sequence S is empty. */
205 gimple_seq_empty_p (const_gimple_seq s)
207 return s == NULL || s->first == NULL;
211 void gimple_seq_add_stmt (gimple_seq *, gimple);
213 /* Allocate a new sequence and initialize its first element with STMT. */
215 static inline gimple_seq
216 gimple_seq_alloc_with_stmt (gimple stmt)
218 gimple_seq seq = NULL;
219 gimple_seq_add_stmt (&seq, stmt);
224 /* Returns the sequence of statements in BB. */
226 static inline gimple_seq
227 bb_seq (const_basic_block bb)
229 return (!(bb->flags & BB_RTL) && bb->il.gimple) ? bb->il.gimple->seq : NULL;
233 /* Sets the sequence of statements in BB to SEQ. */
236 set_bb_seq (basic_block bb, gimple_seq seq)
238 gcc_assert (!(bb->flags & BB_RTL));
239 bb->il.gimple->seq = seq;
242 /* Iterator object for GIMPLE statement sequences. */
246 /* Sequence node holding the current statement. */
249 /* Sequence and basic block holding the statement. These fields
250 are necessary to handle edge cases such as when statement is
251 added to an empty basic block or when the last statement of a
252 block/sequence is removed. */
255 } gimple_stmt_iterator;
258 /* Data structure definitions for GIMPLE tuples. NOTE: word markers
259 are for 64 bit hosts. */
261 struct gimple_statement_base GTY(())
264 Main identifying code for a tuple. */
265 ENUM_BITFIELD(gimple_code) code : 8;
267 /* Nonzero if a warning should not be emitted on this tuple. */
268 unsigned int no_warning : 1;
270 /* Nonzero if this tuple has been visited. Passes are responsible
271 for clearing this bit before using it. */
272 unsigned int visited : 1;
274 /* Nonzero if this tuple represents a non-temporal move. */
275 unsigned int nontemporal_move : 1;
277 /* Pass local flags. These flags are free for any pass to use as
278 they see fit. Passes should not assume that these flags contain
279 any useful value when the pass starts. Any initial state that
280 the pass requires should be set on entry to the pass. See
281 gimple_set_plf and gimple_plf for usage. */
282 unsigned int plf : 2;
284 /* Nonzero if this statement has been modified and needs to have its
285 operands rescanned. */
286 unsigned modified : 1;
288 /* Nonzero if this statement contains volatile operands. */
289 unsigned has_volatile_ops : 1;
291 /* Nonzero if this statement contains memory refernces. */
292 unsigned references_memory_p : 1;
294 /* The SUBCODE field can be used for tuple-specific flags for tuples
295 that do not require subcodes. Note that SUBCODE should be at
296 least as wide as tree codes, as several tuples store tree codes
298 unsigned int subcode : 16;
300 /* UID of this statement. This is used by passes that want to
301 assign IDs to statements. It must be assigned and used by each
302 pass. By default it should be assumed to contain garbage. */
306 Locus information for debug info. */
309 /* Number of operands in this tuple. */
313 Basic block holding this statement. */
314 struct basic_block_def *bb;
317 Lexical block holding this statement. */
322 /* Base structure for tuples with operands. */
324 struct gimple_statement_with_ops_base GTY(())
327 struct gimple_statement_base gsbase;
330 Symbols whose addresses are taken by this statement (i.e., they
331 appear inside ADDR_EXPR nodes). */
332 bitmap GTY((skip (""))) addresses_taken;
335 SSA operand vectors. NOTE: It should be possible to
336 amalgamate these vectors with the operand vector OP. However,
337 the SSA operand vectors are organized differently and contain
338 more information (like immediate use chaining). */
339 struct def_optype_d GTY((skip (""))) *def_ops;
340 struct use_optype_d GTY((skip (""))) *use_ops;
344 /* Statements that take register operands. */
346 struct gimple_statement_with_ops GTY(())
349 struct gimple_statement_with_ops_base opbase;
352 Operand vector. NOTE! This must always be the last field
353 of this structure. In particular, this means that this
354 structure cannot be embedded inside another one. */
355 tree GTY((length ("%h.opbase.gsbase.num_ops"))) op[1];
359 /* Base for statements that take both memory and register operands. */
361 struct gimple_statement_with_memory_ops_base GTY(())
364 struct gimple_statement_with_ops_base opbase;
367 Vectors for virtual operands. */
368 struct voptype_d GTY((skip (""))) *vdef_ops;
369 struct voptype_d GTY((skip (""))) *vuse_ops;
372 Symbols stored/loaded by this statement. */
373 bitmap GTY((skip (""))) stores;
374 bitmap GTY((skip (""))) loads;
378 /* Statements that take both memory and register operands. */
380 struct gimple_statement_with_memory_ops GTY(())
383 struct gimple_statement_with_memory_ops_base membase;
386 Operand vector. NOTE! This must always be the last field
387 of this structure. In particular, this means that this
388 structure cannot be embedded inside another one. */
389 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
393 /* OpenMP statements (#pragma omp). */
395 struct gimple_statement_omp GTY(())
398 struct gimple_statement_base gsbase;
407 struct gimple_statement_bind GTY(())
410 struct gimple_statement_base gsbase;
413 Variables declared in this scope. */
417 This is different than the BLOCK field in gimple_statement_base,
418 which is analogous to TREE_BLOCK (i.e., the lexical block holding
419 this statement). This field is the equivalent of BIND_EXPR_BLOCK
420 in tree land (i.e., the lexical scope defined by this bind). See
431 struct gimple_statement_catch GTY(())
434 struct gimple_statement_base gsbase;
444 /* GIMPLE_EH_FILTER */
446 struct gimple_statement_eh_filter GTY(())
449 struct gimple_statement_base gsbase;
451 /* Subcode: EH_FILTER_MUST_NOT_THROW. A boolean flag analogous to
452 the tree counterpart. */
466 struct gimple_statement_phi GTY(())
469 struct gimple_statement_base gsbase;
479 struct phi_arg_d GTY ((length ("%h.nargs"))) args[1];
485 struct gimple_statement_resx GTY(())
488 struct gimple_statement_base gsbase;
491 Exception region number. */
498 struct gimple_statement_try GTY(())
501 struct gimple_statement_base gsbase;
504 Expression to evaluate. */
508 Cleanup expression. */
512 /* Kind of GIMPLE_TRY statements. */
513 enum gimple_try_flags
516 GIMPLE_TRY_CATCH = 1 << 0,
519 GIMPLE_TRY_FINALLY = 1 << 1,
520 GIMPLE_TRY_KIND = GIMPLE_TRY_CATCH | GIMPLE_TRY_FINALLY,
522 /* Analogous to TRY_CATCH_IS_CLEANUP. */
523 GIMPLE_TRY_CATCH_IS_CLEANUP = 1 << 2
526 /* GIMPLE_WITH_CLEANUP_EXPR */
528 struct gimple_statement_wce GTY(())
531 struct gimple_statement_base gsbase;
533 /* Subcode: CLEANUP_EH_ONLY. True if the cleanup should only be
534 executed if an exception is thrown, not on normal exit of its
535 scope. This flag is analogous to the CLEANUP_EH_ONLY flag
539 Cleanup expression. */
546 struct gimple_statement_asm GTY(())
549 struct gimple_statement_with_memory_ops_base membase;
552 __asm__ statement. */
556 Number of inputs, outputs and clobbers. */
562 Operand vector. NOTE! This must always be the last field
563 of this structure. In particular, this means that this
564 structure cannot be embedded inside another one. */
565 tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1];
568 /* GIMPLE_OMP_CRITICAL */
570 struct gimple_statement_omp_critical GTY(())
573 struct gimple_statement_omp omp;
576 Critical section name. */
581 struct gimple_omp_for_iter GTY(())
583 /* Condition code. */
586 /* Index variable. */
601 struct gimple_statement_omp_for GTY(())
604 struct gimple_statement_omp omp;
610 Number of elements in iter array. */
614 struct gimple_omp_for_iter * GTY((length ("%h.collapse"))) iter;
617 Pre-body evaluated before the loop body begins. */
622 /* GIMPLE_OMP_PARALLEL */
624 struct gimple_statement_omp_parallel GTY(())
627 struct gimple_statement_omp omp;
634 Child function holding the body of the parallel region. */
638 Shared data argument. */
643 /* GIMPLE_OMP_TASK */
645 struct gimple_statement_omp_task GTY(())
648 struct gimple_statement_omp_parallel par;
651 Child function holding firstprivate initialization if needed. */
655 Size and alignment in bytes of the argument data block. */
661 /* GIMPLE_OMP_SECTION */
662 /* Uses struct gimple_statement_omp. */
665 /* GIMPLE_OMP_SECTIONS */
667 struct gimple_statement_omp_sections GTY(())
670 struct gimple_statement_omp omp;
676 The control variable used for deciding which of the sections to
681 /* GIMPLE_OMP_CONTINUE.
683 Note: This does not inherit from gimple_statement_omp, because we
684 do not need the body field. */
686 struct gimple_statement_omp_continue GTY(())
689 struct gimple_statement_base gsbase;
698 /* GIMPLE_OMP_SINGLE */
700 struct gimple_statement_omp_single GTY(())
703 struct gimple_statement_omp omp;
710 /* GIMPLE_OMP_ATOMIC_LOAD.
711 Note: This is based on gimple_statement_base, not g_s_omp, because g_s_omp
712 contains a sequence, which we don't need here. */
714 struct gimple_statement_omp_atomic_load GTY(())
717 struct gimple_statement_base gsbase;
723 /* GIMPLE_OMP_ATOMIC_STORE.
724 See note on GIMPLE_OMP_ATOMIC_LOAD. */
726 struct gimple_statement_omp_atomic_store GTY(())
729 struct gimple_statement_base gsbase;
735 enum gimple_statement_structure_enum {
736 #define DEFGSSTRUCT(SYM, STRING) SYM,
737 #include "gsstruct.def"
743 /* Define the overall contents of a gimple tuple. It may be any of the
744 structures declared above for various types of tuples. */
746 union gimple_statement_d GTY ((desc ("gimple_statement_structure (&%h)")))
748 struct gimple_statement_base GTY ((tag ("GSS_BASE"))) gsbase;
749 struct gimple_statement_with_ops GTY ((tag ("GSS_WITH_OPS"))) gsops;
750 struct gimple_statement_with_memory_ops GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem;
751 struct gimple_statement_omp GTY ((tag ("GSS_OMP"))) omp;
752 struct gimple_statement_bind GTY ((tag ("GSS_BIND"))) gimple_bind;
753 struct gimple_statement_catch GTY ((tag ("GSS_CATCH"))) gimple_catch;
754 struct gimple_statement_eh_filter GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter;
755 struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi;
756 struct gimple_statement_resx GTY ((tag ("GSS_RESX"))) gimple_resx;
757 struct gimple_statement_try GTY ((tag ("GSS_TRY"))) gimple_try;
758 struct gimple_statement_wce GTY ((tag ("GSS_WCE"))) gimple_wce;
759 struct gimple_statement_asm GTY ((tag ("GSS_ASM"))) gimple_asm;
760 struct gimple_statement_omp_critical GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical;
761 struct gimple_statement_omp_for GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for;
762 struct gimple_statement_omp_parallel GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel;
763 struct gimple_statement_omp_task GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task;
764 struct gimple_statement_omp_sections GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections;
765 struct gimple_statement_omp_single GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single;
766 struct gimple_statement_omp_continue GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue;
767 struct gimple_statement_omp_atomic_load GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load;
768 struct gimple_statement_omp_atomic_store GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store;
772 gimple gimple_build_return (tree);
774 gimple gimple_build_assign_stat (tree, tree MEM_STAT_DECL);
775 #define gimple_build_assign(l,r) gimple_build_assign_stat (l, r MEM_STAT_INFO)
777 void extract_ops_from_tree (tree, enum tree_code *, tree *, tree *);
779 gimple gimple_build_assign_with_ops_stat (enum tree_code, tree, tree,
781 #define gimple_build_assign_with_ops(c,o1,o2,o3) \
782 gimple_build_assign_with_ops_stat (c, o1, o2, o3 MEM_STAT_INFO)
784 gimple gimple_build_call_vec (tree, VEC(tree, heap) *);
785 gimple gimple_build_call (tree, unsigned, ...);
786 gimple gimple_build_call_from_tree (tree);
787 gimple gimplify_assign (tree, tree, gimple_seq *);
788 gimple gimple_build_cond (enum tree_code, tree, tree, tree, tree);
789 gimple gimple_build_label (tree label);
790 gimple gimple_build_goto (tree dest);
791 gimple gimple_build_nop (void);
792 gimple gimple_build_bind (tree, gimple_seq, tree);
793 gimple gimple_build_asm (const char *, unsigned, unsigned, unsigned, ...);
794 gimple gimple_build_asm_vec (const char *, VEC(tree,gc) *, VEC(tree,gc) *,
796 gimple gimple_build_catch (tree, gimple_seq);
797 gimple gimple_build_eh_filter (tree, gimple_seq);
798 gimple gimple_build_try (gimple_seq, gimple_seq, enum gimple_try_flags);
799 gimple gimple_build_wce (gimple_seq);
800 gimple gimple_build_resx (int);
801 gimple gimple_build_switch (unsigned, tree, tree, ...);
802 gimple gimple_build_switch_vec (tree, tree, VEC(tree,heap) *);
803 gimple gimple_build_omp_parallel (gimple_seq, tree, tree, tree);
804 gimple gimple_build_omp_task (gimple_seq, tree, tree, tree, tree, tree, tree);
805 gimple gimple_build_omp_for (gimple_seq, tree, size_t, gimple_seq);
806 gimple gimple_build_omp_critical (gimple_seq, tree);
807 gimple gimple_build_omp_section (gimple_seq);
808 gimple gimple_build_omp_continue (tree, tree);
809 gimple gimple_build_omp_master (gimple_seq);
810 gimple gimple_build_omp_return (bool);
811 gimple gimple_build_omp_ordered (gimple_seq);
812 gimple gimple_build_omp_sections (gimple_seq, tree);
813 gimple gimple_build_omp_sections_switch (void);
814 gimple gimple_build_omp_single (gimple_seq, tree);
815 gimple gimple_build_cdt (tree, tree);
816 gimple gimple_build_omp_atomic_load (tree, tree);
817 gimple gimple_build_omp_atomic_store (tree);
818 gimple gimple_build_predict (enum br_predictor, enum prediction);
819 enum gimple_statement_structure_enum gimple_statement_structure (gimple);
820 enum gimple_statement_structure_enum gss_for_assign (enum tree_code);
821 void sort_case_labels (VEC(tree,heap) *);
822 void gimple_set_body (tree, gimple_seq);
823 gimple_seq gimple_body (tree);
824 bool gimple_has_body_p (tree);
825 gimple_seq gimple_seq_alloc (void);
826 void gimple_seq_free (gimple_seq);
827 void gimple_seq_add_seq (gimple_seq *, gimple_seq);
828 gimple_seq gimple_seq_copy (gimple_seq);
829 int gimple_call_flags (const_gimple);
830 bool gimple_assign_copy_p (gimple);
831 bool gimple_assign_ssa_name_copy_p (gimple);
832 bool gimple_assign_single_p (gimple);
833 bool gimple_assign_unary_nop_p (gimple);
834 void gimple_set_bb (gimple, struct basic_block_def *);
835 tree gimple_fold (const_gimple);
836 void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree);
837 void gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *, enum tree_code,
839 tree gimple_get_lhs (const_gimple);
840 void gimple_set_lhs (gimple, tree);
841 gimple gimple_copy (gimple);
842 bool is_gimple_operand (const_tree);
843 void gimple_set_modified (gimple, bool);
844 void gimple_cond_get_ops_from_tree (tree, enum tree_code *, tree *, tree *);
845 gimple gimple_build_cond_from_tree (tree, tree, tree);
846 void gimple_cond_set_condition_from_tree (gimple, tree);
847 bool gimple_has_side_effects (const_gimple);
848 bool gimple_rhs_has_side_effects (const_gimple);
849 bool gimple_could_trap_p (gimple);
850 bool gimple_assign_rhs_could_trap_p (gimple);
851 void gimple_regimplify_operands (gimple, gimple_stmt_iterator *);
852 bool empty_body_p (gimple_seq);
853 unsigned get_gimple_rhs_num_ops (enum tree_code);
855 /* Returns true iff T is a valid GIMPLE statement. */
856 extern bool is_gimple_stmt (tree);
858 /* Returns true iff TYPE is a valid type for a scalar register variable. */
859 extern bool is_gimple_reg_type (tree);
860 /* Returns true iff T is a scalar register variable. */
861 extern bool is_gimple_reg (tree);
862 /* Returns true iff T is any sort of variable. */
863 extern bool is_gimple_variable (tree);
864 /* Returns true iff T is any sort of symbol. */
865 extern bool is_gimple_id (tree);
866 /* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */
867 extern bool is_gimple_min_lval (tree);
868 /* Returns true iff T is something whose address can be taken. */
869 extern bool is_gimple_addressable (tree);
870 /* Returns true iff T is any valid GIMPLE lvalue. */
871 extern bool is_gimple_lvalue (tree);
873 /* Returns true iff T is a GIMPLE address. */
874 bool is_gimple_address (const_tree);
875 /* Returns true iff T is a GIMPLE invariant address. */
876 bool is_gimple_invariant_address (const_tree);
877 /* Returns true iff T is a GIMPLE invariant address at interprocedural
879 bool is_gimple_ip_invariant_address (const_tree);
880 /* Returns true iff T is a valid GIMPLE constant. */
881 bool is_gimple_constant (const_tree);
882 /* Returns true iff T is a GIMPLE restricted function invariant. */
883 extern bool is_gimple_min_invariant (const_tree);
884 /* Returns true iff T is a GIMPLE restricted interprecodural invariant. */
885 extern bool is_gimple_ip_invariant (const_tree);
886 /* Returns true iff T is a GIMPLE rvalue. */
887 extern bool is_gimple_val (tree);
888 /* Returns true iff T is a GIMPLE asm statement input. */
889 extern bool is_gimple_asm_val (tree);
890 /* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a
891 GIMPLE temporary, a renamed user variable, or something else,
893 extern bool is_gimple_reg_rhs (tree);
894 extern bool is_gimple_mem_rhs (tree);
896 /* Returns true iff T is a valid if-statement condition. */
897 extern bool is_gimple_condexpr (tree);
899 /* Returns true iff T is a type conversion. */
900 extern bool is_gimple_cast (tree);
901 /* Returns true iff T is a variable that does not need to live in memory. */
902 extern bool is_gimple_non_addressable (tree t);
904 /* Returns true iff T is a valid call address expression. */
905 extern bool is_gimple_call_addr (tree);
906 /* If T makes a function call, returns the CALL_EXPR operand. */
907 extern tree get_call_expr_in (tree t);
909 extern void recalculate_side_effects (tree);
912 extern tree create_tmp_var_raw (tree, const char *);
913 extern tree create_tmp_var_name (const char *);
914 extern tree create_tmp_var (tree, const char *);
915 extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *);
916 extern tree get_formal_tmp_var (tree, gimple_seq *);
917 extern void declare_vars (tree, gimple, bool);
918 extern void tree_annotate_all_with_location (tree *, location_t);
919 extern void annotate_all_with_location (gimple_seq, location_t);
921 /* Validation of GIMPLE expressions. Note that these predicates only check
922 the basic form of the expression, they don't recurse to make sure that
923 underlying nodes are also of the right form. */
924 typedef bool (*gimple_predicate)(tree);
927 /* FIXME we should deduce this from the predicate. */
928 typedef enum fallback_t {
929 fb_none = 0, /* Do not generate a temporary. */
931 fb_rvalue = 1, /* Generate an rvalue to hold the result of a
932 gimplified expression. */
934 fb_lvalue = 2, /* Generate an lvalue to hold the result of a
935 gimplified expression. */
937 fb_mayfail = 4, /* Gimplification may fail. Error issued
939 fb_either= fb_rvalue | fb_lvalue
942 enum gimplify_status {
943 GS_ERROR = -2, /* Something Bad Seen. */
944 GS_UNHANDLED = -1, /* A langhook result for "I dunno". */
945 GS_OK = 0, /* We did something, maybe more to do. */
946 GS_ALL_DONE = 1 /* The expression is fully gimplified. */
951 struct gimplify_ctx *prev_context;
953 VEC(gimple,heap) *bind_expr_stack;
955 gimple_seq conditional_cleanups;
959 VEC(tree,heap) *case_labels;
960 /* The formal temporary table. Should this be persistent? */
966 bool allow_rhs_cond_expr;
969 extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *,
970 bool (*) (tree), fallback_t);
971 extern void gimplify_type_sizes (tree, gimple_seq *);
972 extern void gimplify_one_sizepos (tree *, gimple_seq *);
973 extern bool gimplify_stmt (tree *, gimple_seq *);
974 extern gimple gimplify_body (tree *, tree, bool);
975 extern void push_gimplify_context (struct gimplify_ctx *);
976 extern void pop_gimplify_context (gimple);
977 extern void gimplify_and_add (tree, gimple_seq *);
979 /* Miscellaneous helpers. */
980 extern void gimple_add_tmp_var (tree);
981 extern gimple gimple_current_bind_expr (void);
982 extern VEC(gimple, heap) *gimple_bind_expr_stack (void);
983 extern tree voidify_wrapper_expr (tree, tree);
984 extern tree build_and_jump (tree *);
985 extern tree alloc_stmt_list (void);
986 extern void free_stmt_list (tree);
987 extern tree force_labels_r (tree *, int *, void *);
988 extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *,
990 struct gimplify_omp_ctx;
991 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree);
992 extern tree gimple_boolify (tree);
993 extern gimple_predicate rhs_predicate_for (tree);
994 extern tree canonicalize_cond_expr_cond (tree);
997 extern void diagnose_omp_structured_block_errors (tree);
998 extern tree omp_reduction_init (tree, tree);
1000 /* In tree-nested.c. */
1001 extern void lower_nested_functions (tree);
1002 extern void insert_field_into_struct (tree, tree);
1004 /* In gimplify.c. */
1005 extern void gimplify_function_tree (tree);
1007 /* In cfgexpand.c. */
1008 extern tree gimple_assign_rhs_to_tree (gimple);
1011 extern bool validate_gimple_arglist (const_gimple, ...);
1013 /* In tree-ssa-operands.c */
1014 extern void gimple_add_to_addresses_taken (gimple, tree);
1017 extern bool tree_ssa_useless_type_conversion (tree);
1018 extern bool useless_type_conversion_p (tree, tree);
1019 extern bool types_compatible_p (tree, tree);
1021 /* Return the code for GIMPLE statement G. */
1023 static inline enum gimple_code
1024 gimple_code (const_gimple g)
1026 return g->gsbase.code;
1030 /* Return true if statement G has sub-statements. This is only true for
1031 High GIMPLE statements. */
1034 gimple_has_substatements (gimple g)
1036 switch (gimple_code (g))
1040 case GIMPLE_EH_FILTER:
1042 case GIMPLE_OMP_FOR:
1043 case GIMPLE_OMP_MASTER:
1044 case GIMPLE_OMP_ORDERED:
1045 case GIMPLE_OMP_SECTION:
1046 case GIMPLE_OMP_PARALLEL:
1047 case GIMPLE_OMP_TASK:
1048 case GIMPLE_OMP_SECTIONS:
1049 case GIMPLE_OMP_SINGLE:
1050 case GIMPLE_OMP_CRITICAL:
1051 case GIMPLE_WITH_CLEANUP_EXPR:
1060 /* Return the basic block holding statement G. */
1062 static inline struct basic_block_def *
1063 gimple_bb (const_gimple g)
1065 return g->gsbase.bb;
1069 /* Return the lexical scope block holding statement G. */
1072 gimple_block (const_gimple g)
1074 return g->gsbase.block;
1078 /* Set BLOCK to be the lexical scope block holding statement G. */
1081 gimple_set_block (gimple g, tree block)
1083 g->gsbase.block = block;
1087 /* Return location information for statement G. */
1089 static inline location_t
1090 gimple_location (const_gimple g)
1092 return g->gsbase.location;
1095 /* Return pointer to location information for statement G. */
1097 static inline const location_t *
1098 gimple_location_ptr (const_gimple g)
1100 return &g->gsbase.location;
1104 /* Set location information for statement G. */
1107 gimple_set_location (gimple g, location_t location)
1109 g->gsbase.location = location;
1113 /* Return true if G contains location information. */
1116 gimple_has_location (const_gimple g)
1118 return gimple_location (g) != UNKNOWN_LOCATION;
1122 /* Return the file name of the location of STMT. */
1124 static inline const char *
1125 gimple_filename (const_gimple stmt)
1127 return LOCATION_FILE (gimple_location (stmt));
1131 /* Return the line number of the location of STMT. */
1134 gimple_lineno (const_gimple stmt)
1136 return LOCATION_LINE (gimple_location (stmt));
1140 /* Determine whether SEQ is a singleton. */
1143 gimple_seq_singleton_p (gimple_seq seq)
1145 return ((gimple_seq_first (seq) != NULL)
1146 && (gimple_seq_first (seq) == gimple_seq_last (seq)));
1149 /* Return true if no warnings should be emitted for statement STMT. */
1152 gimple_no_warning_p (const_gimple stmt)
1154 return stmt->gsbase.no_warning;
1157 /* Set the no_warning flag of STMT to NO_WARNING. */
1160 gimple_set_no_warning (gimple stmt, bool no_warning)
1162 stmt->gsbase.no_warning = (unsigned) no_warning;
1165 /* Set the visited status on statement STMT to VISITED_P. */
1168 gimple_set_visited (gimple stmt, bool visited_p)
1170 stmt->gsbase.visited = (unsigned) visited_p;
1174 /* Return the visited status for statement STMT. */
1177 gimple_visited_p (gimple stmt)
1179 return stmt->gsbase.visited;
1183 /* Set pass local flag PLF on statement STMT to VAL_P. */
1186 gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p)
1189 stmt->gsbase.plf |= (unsigned int) plf;
1191 stmt->gsbase.plf &= ~((unsigned int) plf);
1195 /* Return the value of pass local flag PLF on statement STMT. */
1197 static inline unsigned int
1198 gimple_plf (gimple stmt, enum plf_mask plf)
1200 return stmt->gsbase.plf & ((unsigned int) plf);
1204 /* Set the UID of statement. */
1207 gimple_set_uid (gimple g, unsigned uid)
1209 g->gsbase.uid = uid;
1213 /* Return the UID of statement. */
1215 static inline unsigned
1216 gimple_uid (const_gimple g)
1218 return g->gsbase.uid;
1222 /* Return true if GIMPLE statement G has register or memory operands. */
1225 gimple_has_ops (const_gimple g)
1227 return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN;
1231 /* Return true if GIMPLE statement G has memory operands. */
1234 gimple_has_mem_ops (const_gimple g)
1236 return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN;
1239 /* Return the set of addresses taken by statement G. */
1241 static inline bitmap
1242 gimple_addresses_taken (const_gimple g)
1244 if (gimple_has_ops (g))
1245 return g->gsops.opbase.addresses_taken;
1251 /* Return a pointer to the set of addresses taken by statement G. */
1253 static inline bitmap *
1254 gimple_addresses_taken_ptr (gimple g)
1256 if (gimple_has_ops (g))
1257 return &g->gsops.opbase.addresses_taken;
1263 /* Set B to be the set of addresses taken by statement G. The
1264 previous set is freed. */
1267 gimple_set_addresses_taken (gimple g, bitmap b)
1269 gcc_assert (gimple_has_ops (g));
1270 BITMAP_FREE (g->gsops.opbase.addresses_taken);
1271 g->gsops.opbase.addresses_taken = b;
1275 /* Return the set of DEF operands for statement G. */
1277 static inline struct def_optype_d *
1278 gimple_def_ops (const_gimple g)
1280 if (!gimple_has_ops (g))
1282 return g->gsops.opbase.def_ops;
1286 /* Set DEF to be the set of DEF operands for statement G. */
1289 gimple_set_def_ops (gimple g, struct def_optype_d *def)
1291 gcc_assert (gimple_has_ops (g));
1292 g->gsops.opbase.def_ops = def;
1296 /* Return the set of USE operands for statement G. */
1298 static inline struct use_optype_d *
1299 gimple_use_ops (const_gimple g)
1301 if (!gimple_has_ops (g))
1303 return g->gsops.opbase.use_ops;
1307 /* Set USE to be the set of USE operands for statement G. */
1310 gimple_set_use_ops (gimple g, struct use_optype_d *use)
1312 gcc_assert (gimple_has_ops (g));
1313 g->gsops.opbase.use_ops = use;
1317 /* Return the set of VUSE operands for statement G. */
1319 static inline struct voptype_d *
1320 gimple_vuse_ops (const_gimple g)
1322 if (!gimple_has_mem_ops (g))
1324 return g->gsmem.membase.vuse_ops;
1328 /* Set OPS to be the set of VUSE operands for statement G. */
1331 gimple_set_vuse_ops (gimple g, struct voptype_d *ops)
1333 gcc_assert (gimple_has_mem_ops (g));
1334 g->gsmem.membase.vuse_ops = ops;
1338 /* Return the set of VDEF operands for statement G. */
1340 static inline struct voptype_d *
1341 gimple_vdef_ops (const_gimple g)
1343 if (!gimple_has_mem_ops (g))
1345 return g->gsmem.membase.vdef_ops;
1349 /* Set OPS to be the set of VDEF operands for statement G. */
1352 gimple_set_vdef_ops (gimple g, struct voptype_d *ops)
1354 gcc_assert (gimple_has_mem_ops (g));
1355 g->gsmem.membase.vdef_ops = ops;
1359 /* Return the set of symbols loaded by statement G. Each element of the
1360 set is the DECL_UID of the corresponding symbol. */
1362 static inline bitmap
1363 gimple_loaded_syms (const_gimple g)
1365 if (!gimple_has_mem_ops (g))
1367 return g->gsmem.membase.loads;
1371 /* Return the set of symbols stored by statement G. Each element of
1372 the set is the DECL_UID of the corresponding symbol. */
1374 static inline bitmap
1375 gimple_stored_syms (const_gimple g)
1377 if (!gimple_has_mem_ops (g))
1379 return g->gsmem.membase.stores;
1383 /* Return true if statement G has operands and the modified field has
1387 gimple_modified_p (const_gimple g)
1389 return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false;
1392 /* Return the type of the main expression computed by STMT. Return
1393 void_type_node if the statement computes nothing. */
1396 gimple_expr_type (const_gimple stmt)
1398 enum gimple_code code = gimple_code (stmt);
1400 if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL)
1402 tree type = TREE_TYPE (gimple_get_lhs (stmt));
1403 /* Integral sub-types are never the type of the expression,
1404 but they still can be the type of the result as the base
1405 type (in which expressions are computed) is trivially
1406 convertible to one of its sub-types. So always return
1407 the base type here. */
1408 if (INTEGRAL_TYPE_P (type)
1410 /* But only if they are trivially convertible. */
1411 && useless_type_conversion_p (type, TREE_TYPE (type)))
1412 type = TREE_TYPE (type);
1415 else if (code == GIMPLE_COND)
1416 return boolean_type_node;
1418 return void_type_node;
1422 /* Return the tree code for the expression computed by STMT. This is
1423 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For
1424 GIMPLE_CALL, return CALL_EXPR as the expression code for
1425 consistency. This is useful when the caller needs to deal with the
1426 three kinds of computation that GIMPLE supports. */
1428 static inline enum tree_code
1429 gimple_expr_code (const_gimple stmt)
1431 enum gimple_code code = gimple_code (stmt);
1432 if (code == GIMPLE_ASSIGN || code == GIMPLE_COND)
1433 return (enum tree_code) stmt->gsbase.subcode;
1434 else if (code == GIMPLE_CALL)
1441 /* Mark statement S as modified, and update it. */
1444 update_stmt (gimple s)
1446 if (gimple_has_ops (s))
1448 gimple_set_modified (s, true);
1449 update_stmt_operands (s);
1453 /* Update statement S if it has been optimized. */
1456 update_stmt_if_modified (gimple s)
1458 if (gimple_modified_p (s))
1459 update_stmt_operands (s);
1462 /* Return true if statement STMT contains volatile operands. */
1465 gimple_has_volatile_ops (const_gimple stmt)
1467 if (gimple_has_mem_ops (stmt))
1468 return stmt->gsbase.has_volatile_ops;
1474 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */
1477 gimple_set_has_volatile_ops (gimple stmt, bool volatilep)
1479 if (gimple_has_mem_ops (stmt))
1480 stmt->gsbase.has_volatile_ops = (unsigned) volatilep;
1484 /* Return true if statement STMT may access memory. */
1487 gimple_references_memory_p (gimple stmt)
1489 return gimple_has_mem_ops (stmt) && stmt->gsbase.references_memory_p;
1493 /* Set the REFERENCES_MEMORY_P flag for STMT to MEM_P. */
1496 gimple_set_references_memory (gimple stmt, bool mem_p)
1498 if (gimple_has_mem_ops (stmt))
1499 stmt->gsbase.references_memory_p = (unsigned) mem_p;
1502 /* Return the subcode for OMP statement S. */
1504 static inline unsigned
1505 gimple_omp_subcode (const_gimple s)
1507 gcc_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD
1508 && gimple_code (s) <= GIMPLE_OMP_SINGLE);
1509 return s->gsbase.subcode;
1512 /* Set the subcode for OMP statement S to SUBCODE. */
1515 gimple_omp_set_subcode (gimple s, unsigned int subcode)
1517 /* We only have 16 bits for the subcode. Assert that we are not
1519 gcc_assert (subcode < (1 << 16));
1520 s->gsbase.subcode = subcode;
1523 /* Set the nowait flag on OMP_RETURN statement S. */
1526 gimple_omp_return_set_nowait (gimple s)
1528 GIMPLE_CHECK (s, GIMPLE_OMP_RETURN);
1529 s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT;
1533 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT
1537 gimple_omp_return_nowait_p (const_gimple g)
1539 GIMPLE_CHECK (g, GIMPLE_OMP_RETURN);
1540 return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0;
1544 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST
1548 gimple_omp_section_last_p (const_gimple g)
1550 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1551 return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0;
1555 /* Set the GF_OMP_SECTION_LAST flag on G. */
1558 gimple_omp_section_set_last (gimple g)
1560 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1561 g->gsbase.subcode |= GF_OMP_SECTION_LAST;
1565 /* Return true if OMP parallel statement G has the
1566 GF_OMP_PARALLEL_COMBINED flag set. */
1569 gimple_omp_parallel_combined_p (const_gimple g)
1571 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1572 return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0;
1576 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean
1577 value of COMBINED_P. */
1580 gimple_omp_parallel_set_combined_p (gimple g, bool combined_p)
1582 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1584 g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED;
1586 g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED;
1590 /* Return the number of operands for statement GS. */
1592 static inline unsigned
1593 gimple_num_ops (const_gimple gs)
1595 return gs->gsbase.num_ops;
1599 /* Set the number of operands for statement GS. */
1602 gimple_set_num_ops (gimple gs, unsigned num_ops)
1604 gs->gsbase.num_ops = num_ops;
1608 /* Return the array of operands for statement GS. */
1610 static inline tree *
1611 gimple_ops (gimple gs)
1613 /* Offset in bytes to the location of the operand vector in every
1614 tuple structure. Defined in gimple.c */
1615 extern size_t const gimple_ops_offset_[];
1617 if (!gimple_has_ops (gs))
1620 /* All the tuples have their operand vector at the very bottom
1621 of the structure. */
1622 return ((tree *) ((char *) gs + gimple_ops_offset_[gimple_code (gs)]));
1626 /* Return operand I for statement GS. */
1629 gimple_op (const_gimple gs, unsigned i)
1631 if (gimple_has_ops (gs))
1633 gcc_assert (i < gimple_num_ops (gs));
1634 return gimple_ops (CONST_CAST_GIMPLE (gs))[i];
1640 /* Return a pointer to operand I for statement GS. */
1642 static inline tree *
1643 gimple_op_ptr (const_gimple gs, unsigned i)
1645 if (gimple_has_ops (gs))
1647 gcc_assert (i < gimple_num_ops (gs));
1648 return gimple_ops (CONST_CAST_GIMPLE (gs)) + i;
1654 /* Set operand I of statement GS to OP. */
1657 gimple_set_op (gimple gs, unsigned i, tree op)
1659 gcc_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs));
1661 /* Note. It may be tempting to assert that OP matches
1662 is_gimple_operand, but that would be wrong. Different tuples
1663 accept slightly different sets of tree operands. Each caller
1664 should perform its own validation. */
1665 gimple_ops (gs)[i] = op;
1668 /* Return true if GS is a GIMPLE_ASSIGN. */
1671 is_gimple_assign (const_gimple gs)
1673 return gimple_code (gs) == GIMPLE_ASSIGN;
1676 /* Determine if expression CODE is one of the valid expressions that can
1677 be used on the RHS of GIMPLE assignments. */
1679 static inline enum gimple_rhs_class
1680 get_gimple_rhs_class (enum tree_code code)
1682 return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code];
1685 /* Return the LHS of assignment statement GS. */
1688 gimple_assign_lhs (const_gimple gs)
1690 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1691 return gimple_op (gs, 0);
1695 /* Return a pointer to the LHS of assignment statement GS. */
1697 static inline tree *
1698 gimple_assign_lhs_ptr (const_gimple gs)
1700 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1701 return gimple_op_ptr (gs, 0);
1705 /* Set LHS to be the LHS operand of assignment statement GS. */
1708 gimple_assign_set_lhs (gimple gs, tree lhs)
1710 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1711 gcc_assert (is_gimple_operand (lhs));
1712 gimple_set_op (gs, 0, lhs);
1714 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1715 SSA_NAME_DEF_STMT (lhs) = gs;
1719 /* Return the first operand on the RHS of assignment statement GS. */
1722 gimple_assign_rhs1 (const_gimple gs)
1724 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1725 return gimple_op (gs, 1);
1729 /* Return a pointer to the first operand on the RHS of assignment
1732 static inline tree *
1733 gimple_assign_rhs1_ptr (const_gimple gs)
1735 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1736 return gimple_op_ptr (gs, 1);
1739 /* Set RHS to be the first operand on the RHS of assignment statement GS. */
1742 gimple_assign_set_rhs1 (gimple gs, tree rhs)
1744 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1746 /* If there are 3 or more operands, the 2 operands on the RHS must be
1748 if (gimple_num_ops (gs) >= 3)
1749 gcc_assert (is_gimple_val (rhs));
1751 gcc_assert (is_gimple_operand (rhs));
1753 gimple_set_op (gs, 1, rhs);
1757 /* Return the second operand on the RHS of assignment statement GS.
1758 If GS does not have two operands, NULL is returned instead. */
1761 gimple_assign_rhs2 (const_gimple gs)
1763 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1765 if (gimple_num_ops (gs) >= 3)
1766 return gimple_op (gs, 2);
1772 /* Return a pointer to the second operand on the RHS of assignment
1775 static inline tree *
1776 gimple_assign_rhs2_ptr (const_gimple gs)
1778 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1779 return gimple_op_ptr (gs, 2);
1783 /* Set RHS to be the second operand on the RHS of assignment statement GS. */
1786 gimple_assign_set_rhs2 (gimple gs, tree rhs)
1788 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1790 /* The 2 operands on the RHS must be GIMPLE values. */
1791 gcc_assert (is_gimple_val (rhs));
1793 gimple_set_op (gs, 2, rhs);
1796 /* Returns true if GS is a nontemporal move. */
1799 gimple_assign_nontemporal_move_p (const_gimple gs)
1801 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1802 return gs->gsbase.nontemporal_move;
1805 /* Sets nontemporal move flag of GS to NONTEMPORAL. */
1808 gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal)
1810 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1811 gs->gsbase.nontemporal_move = nontemporal;
1815 /* Return the code of the expression computed on the rhs of assignment
1816 statement GS. In case that the RHS is a single object, returns the
1817 tree code of the object. */
1819 static inline enum tree_code
1820 gimple_assign_rhs_code (const_gimple gs)
1822 enum tree_code code;
1823 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1825 code = gimple_expr_code (gs);
1826 if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS)
1827 code = TREE_CODE (gimple_assign_rhs1 (gs));
1833 /* Set CODE to be the code for the expression computed on the RHS of
1837 gimple_assign_set_rhs_code (gimple s, enum tree_code code)
1839 GIMPLE_CHECK (s, GIMPLE_ASSIGN);
1840 s->gsbase.subcode = code;
1844 /* Return the gimple rhs class of the code of the expression computed on
1845 the rhs of assignment statement GS.
1846 This will never return GIMPLE_INVALID_RHS. */
1848 static inline enum gimple_rhs_class
1849 gimple_assign_rhs_class (const_gimple gs)
1851 return get_gimple_rhs_class (gimple_assign_rhs_code (gs));
1855 /* Return true if S is a type-cast assignment. */
1858 gimple_assign_cast_p (gimple s)
1860 if (is_gimple_assign (s))
1862 enum tree_code sc = gimple_assign_rhs_code (s);
1863 return CONVERT_EXPR_CODE_P (sc)
1864 || sc == VIEW_CONVERT_EXPR
1865 || sc == FIX_TRUNC_EXPR;
1872 /* Return true if GS is a GIMPLE_CALL. */
1875 is_gimple_call (const_gimple gs)
1877 return gimple_code (gs) == GIMPLE_CALL;
1880 /* Return the LHS of call statement GS. */
1883 gimple_call_lhs (const_gimple gs)
1885 GIMPLE_CHECK (gs, GIMPLE_CALL);
1886 return gimple_op (gs, 0);
1890 /* Return a pointer to the LHS of call statement GS. */
1892 static inline tree *
1893 gimple_call_lhs_ptr (const_gimple gs)
1895 GIMPLE_CHECK (gs, GIMPLE_CALL);
1896 return gimple_op_ptr (gs, 0);
1900 /* Set LHS to be the LHS operand of call statement GS. */
1903 gimple_call_set_lhs (gimple gs, tree lhs)
1905 GIMPLE_CHECK (gs, GIMPLE_CALL);
1906 gcc_assert (!lhs || is_gimple_operand (lhs));
1907 gimple_set_op (gs, 0, lhs);
1908 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1909 SSA_NAME_DEF_STMT (lhs) = gs;
1913 /* Return the tree node representing the function called by call
1917 gimple_call_fn (const_gimple gs)
1919 GIMPLE_CHECK (gs, GIMPLE_CALL);
1920 return gimple_op (gs, 1);
1924 /* Return a pointer to the tree node representing the function called by call
1927 static inline tree *
1928 gimple_call_fn_ptr (const_gimple gs)
1930 GIMPLE_CHECK (gs, GIMPLE_CALL);
1931 return gimple_op_ptr (gs, 1);
1935 /* Set FN to be the function called by call statement GS. */
1938 gimple_call_set_fn (gimple gs, tree fn)
1940 GIMPLE_CHECK (gs, GIMPLE_CALL);
1941 gcc_assert (is_gimple_operand (fn));
1942 gimple_set_op (gs, 1, fn);
1946 /* Set FNDECL to be the function called by call statement GS. */
1949 gimple_call_set_fndecl (gimple gs, tree decl)
1951 GIMPLE_CHECK (gs, GIMPLE_CALL);
1952 gcc_assert (TREE_CODE (decl) == FUNCTION_DECL);
1953 gimple_set_op (gs, 1, build_fold_addr_expr (decl));
1957 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it.
1958 Otherwise return NULL. This function is analogous to
1959 get_callee_fndecl in tree land. */
1962 gimple_call_fndecl (const_gimple gs)
1964 tree addr = gimple_call_fn (gs);
1965 if (TREE_CODE (addr) == ADDR_EXPR)
1967 gcc_assert (TREE_CODE (TREE_OPERAND (addr, 0)) == FUNCTION_DECL);
1968 return TREE_OPERAND (addr, 0);
1974 /* Return the type returned by call statement GS. */
1977 gimple_call_return_type (const_gimple gs)
1979 tree fn = gimple_call_fn (gs);
1980 tree type = TREE_TYPE (fn);
1982 /* See through the pointer. */
1983 gcc_assert (POINTER_TYPE_P (type));
1984 type = TREE_TYPE (type);
1986 gcc_assert (TREE_CODE (type) == FUNCTION_TYPE
1987 || TREE_CODE (type) == METHOD_TYPE);
1989 /* The type returned by a FUNCTION_DECL is the type of its
1991 return TREE_TYPE (type);
1995 /* Return the static chain for call statement GS. */
1998 gimple_call_chain (const_gimple gs)
2000 GIMPLE_CHECK (gs, GIMPLE_CALL);
2001 return gimple_op (gs, 2);
2005 /* Return a pointer to the static chain for call statement GS. */
2007 static inline tree *
2008 gimple_call_chain_ptr (const_gimple gs)
2010 GIMPLE_CHECK (gs, GIMPLE_CALL);
2011 return gimple_op_ptr (gs, 2);
2014 /* Set CHAIN to be the static chain for call statement GS. */
2017 gimple_call_set_chain (gimple gs, tree chain)
2019 GIMPLE_CHECK (gs, GIMPLE_CALL);
2020 gcc_assert (chain == NULL
2021 || TREE_CODE (chain) == ADDR_EXPR
2022 || SSA_VAR_P (chain));
2023 gimple_set_op (gs, 2, chain);
2027 /* Return the number of arguments used by call statement GS. */
2029 static inline unsigned
2030 gimple_call_num_args (const_gimple gs)
2033 GIMPLE_CHECK (gs, GIMPLE_CALL);
2034 num_ops = gimple_num_ops (gs);
2035 gcc_assert (num_ops >= 3);
2040 /* Return the argument at position INDEX for call statement GS. */
2043 gimple_call_arg (const_gimple gs, unsigned index)
2045 GIMPLE_CHECK (gs, GIMPLE_CALL);
2046 return gimple_op (gs, index + 3);
2050 /* Return a pointer to the argument at position INDEX for call
2053 static inline tree *
2054 gimple_call_arg_ptr (const_gimple gs, unsigned index)
2056 GIMPLE_CHECK (gs, GIMPLE_CALL);
2057 return gimple_op_ptr (gs, index + 3);
2061 /* Set ARG to be the argument at position INDEX for call statement GS. */
2064 gimple_call_set_arg (gimple gs, unsigned index, tree arg)
2066 GIMPLE_CHECK (gs, GIMPLE_CALL);
2067 gcc_assert (is_gimple_operand (arg));
2068 gimple_set_op (gs, index + 3, arg);
2072 /* If TAIL_P is true, mark call statement S as being a tail call
2073 (i.e., a call just before the exit of a function). These calls are
2074 candidate for tail call optimization. */
2077 gimple_call_set_tail (gimple s, bool tail_p)
2079 GIMPLE_CHECK (s, GIMPLE_CALL);
2081 s->gsbase.subcode |= GF_CALL_TAILCALL;
2083 s->gsbase.subcode &= ~GF_CALL_TAILCALL;
2087 /* Return true if GIMPLE_CALL S is marked as a tail call. */
2090 gimple_call_tail_p (gimple s)
2092 GIMPLE_CHECK (s, GIMPLE_CALL);
2093 return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0;
2097 /* Set the inlinable status of GIMPLE_CALL S to INLINABLE_P. */
2100 gimple_call_set_cannot_inline (gimple s, bool inlinable_p)
2102 GIMPLE_CHECK (s, GIMPLE_CALL);
2104 s->gsbase.subcode |= GF_CALL_CANNOT_INLINE;
2106 s->gsbase.subcode &= ~GF_CALL_CANNOT_INLINE;
2110 /* Return true if GIMPLE_CALL S cannot be inlined. */
2113 gimple_call_cannot_inline_p (gimple s)
2115 GIMPLE_CHECK (s, GIMPLE_CALL);
2116 return (s->gsbase.subcode & GF_CALL_CANNOT_INLINE) != 0;
2120 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return
2121 slot optimization. This transformation uses the target of the call
2122 expansion as the return slot for calls that return in memory. */
2125 gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p)
2127 GIMPLE_CHECK (s, GIMPLE_CALL);
2128 if (return_slot_opt_p)
2129 s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT;
2131 s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT;
2135 /* Return true if S is marked for return slot optimization. */
2138 gimple_call_return_slot_opt_p (gimple s)
2140 GIMPLE_CHECK (s, GIMPLE_CALL);
2141 return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0;
2145 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a
2146 thunk to the thunked-to function. */
2149 gimple_call_set_from_thunk (gimple s, bool from_thunk_p)
2151 GIMPLE_CHECK (s, GIMPLE_CALL);
2153 s->gsbase.subcode |= GF_CALL_FROM_THUNK;
2155 s->gsbase.subcode &= ~GF_CALL_FROM_THUNK;
2159 /* Return true if GIMPLE_CALL S is a jump from a thunk. */
2162 gimple_call_from_thunk_p (gimple s)
2164 GIMPLE_CHECK (s, GIMPLE_CALL);
2165 return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0;
2169 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the
2170 argument pack in its argument list. */
2173 gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p)
2175 GIMPLE_CHECK (s, GIMPLE_CALL);
2176 if (pass_arg_pack_p)
2177 s->gsbase.subcode |= GF_CALL_VA_ARG_PACK;
2179 s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK;
2183 /* Return true if GIMPLE_CALL S is a stdarg call that needs the
2184 argument pack in its argument list. */
2187 gimple_call_va_arg_pack_p (gimple s)
2189 GIMPLE_CHECK (s, GIMPLE_CALL);
2190 return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0;
2194 /* Return true if S is a noreturn call. */
2197 gimple_call_noreturn_p (gimple s)
2199 GIMPLE_CHECK (s, GIMPLE_CALL);
2200 return (gimple_call_flags (s) & ECF_NORETURN) != 0;
2204 /* Return true if S is a nothrow call. */
2207 gimple_call_nothrow_p (gimple s)
2209 GIMPLE_CHECK (s, GIMPLE_CALL);
2210 return (gimple_call_flags (s) & ECF_NOTHROW) != 0;
2214 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */
2217 gimple_call_copy_flags (gimple dest_call, gimple orig_call)
2219 GIMPLE_CHECK (dest_call, GIMPLE_CALL);
2220 GIMPLE_CHECK (orig_call, GIMPLE_CALL);
2221 dest_call->gsbase.subcode = orig_call->gsbase.subcode;
2225 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a
2229 gimple_has_lhs (gimple stmt)
2231 return (is_gimple_assign (stmt)
2232 || (is_gimple_call (stmt)
2233 && gimple_call_lhs (stmt) != NULL_TREE));
2237 /* Return the code of the predicate computed by conditional statement GS. */
2239 static inline enum tree_code
2240 gimple_cond_code (const_gimple gs)
2242 GIMPLE_CHECK (gs, GIMPLE_COND);
2243 return gs->gsbase.subcode;
2247 /* Set CODE to be the predicate code for the conditional statement GS. */
2250 gimple_cond_set_code (gimple gs, enum tree_code code)
2252 GIMPLE_CHECK (gs, GIMPLE_COND);
2253 gcc_assert (TREE_CODE_CLASS (code) == tcc_comparison);
2254 gs->gsbase.subcode = code;
2258 /* Return the LHS of the predicate computed by conditional statement GS. */
2261 gimple_cond_lhs (const_gimple gs)
2263 GIMPLE_CHECK (gs, GIMPLE_COND);
2264 return gimple_op (gs, 0);
2267 /* Return the pointer to the LHS of the predicate computed by conditional
2270 static inline tree *
2271 gimple_cond_lhs_ptr (const_gimple gs)
2273 GIMPLE_CHECK (gs, GIMPLE_COND);
2274 return gimple_op_ptr (gs, 0);
2277 /* Set LHS to be the LHS operand of the predicate computed by
2278 conditional statement GS. */
2281 gimple_cond_set_lhs (gimple gs, tree lhs)
2283 GIMPLE_CHECK (gs, GIMPLE_COND);
2284 gcc_assert (is_gimple_operand (lhs));
2285 gimple_set_op (gs, 0, lhs);
2289 /* Return the RHS operand of the predicate computed by conditional GS. */
2292 gimple_cond_rhs (const_gimple gs)
2294 GIMPLE_CHECK (gs, GIMPLE_COND);
2295 return gimple_op (gs, 1);
2298 /* Return the pointer to the RHS operand of the predicate computed by
2301 static inline tree *
2302 gimple_cond_rhs_ptr (const_gimple gs)
2304 GIMPLE_CHECK (gs, GIMPLE_COND);
2305 return gimple_op_ptr (gs, 1);
2309 /* Set RHS to be the RHS operand of the predicate computed by
2310 conditional statement GS. */
2313 gimple_cond_set_rhs (gimple gs, tree rhs)
2315 GIMPLE_CHECK (gs, GIMPLE_COND);
2316 gcc_assert (is_gimple_operand (rhs));
2317 gimple_set_op (gs, 1, rhs);
2321 /* Return the label used by conditional statement GS when its
2322 predicate evaluates to true. */
2325 gimple_cond_true_label (const_gimple gs)
2327 GIMPLE_CHECK (gs, GIMPLE_COND);
2328 return gimple_op (gs, 2);
2332 /* Set LABEL to be the label used by conditional statement GS when its
2333 predicate evaluates to true. */
2336 gimple_cond_set_true_label (gimple gs, tree label)
2338 GIMPLE_CHECK (gs, GIMPLE_COND);
2339 gcc_assert (!label || TREE_CODE (label) == LABEL_DECL);
2340 gimple_set_op (gs, 2, label);
2344 /* Set LABEL to be the label used by conditional statement GS when its
2345 predicate evaluates to false. */
2348 gimple_cond_set_false_label (gimple gs, tree label)
2350 GIMPLE_CHECK (gs, GIMPLE_COND);
2351 gcc_assert (!label || TREE_CODE (label) == LABEL_DECL);
2352 gimple_set_op (gs, 3, label);
2356 /* Return the label used by conditional statement GS when its
2357 predicate evaluates to false. */
2360 gimple_cond_false_label (const_gimple gs)
2362 GIMPLE_CHECK (gs, GIMPLE_COND);
2363 return gimple_op (gs, 3);
2367 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */
2370 gimple_cond_make_false (gimple gs)
2372 gimple_cond_set_lhs (gs, boolean_true_node);
2373 gimple_cond_set_rhs (gs, boolean_false_node);
2374 gs->gsbase.subcode = EQ_EXPR;
2378 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */
2381 gimple_cond_make_true (gimple gs)
2383 gimple_cond_set_lhs (gs, boolean_true_node);
2384 gimple_cond_set_rhs (gs, boolean_true_node);
2385 gs->gsbase.subcode = EQ_EXPR;
2388 /* Check if conditional statemente GS is of the form 'if (1 == 1)',
2389 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */
2392 gimple_cond_true_p (const_gimple gs)
2394 tree lhs = gimple_cond_lhs (gs);
2395 tree rhs = gimple_cond_rhs (gs);
2396 enum tree_code code = gimple_cond_code (gs);
2398 if (lhs != boolean_true_node && lhs != boolean_false_node)
2401 if (rhs != boolean_true_node && rhs != boolean_false_node)
2404 if (code == NE_EXPR && lhs != rhs)
2407 if (code == EQ_EXPR && lhs == rhs)
2413 /* Check if conditional statement GS is of the form 'if (1 != 1)',
2414 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */
2417 gimple_cond_false_p (const_gimple gs)
2419 tree lhs = gimple_cond_lhs (gs);
2420 tree rhs = gimple_cond_rhs (gs);
2421 enum tree_code code = gimple_cond_code (gs);
2423 if (lhs != boolean_true_node && lhs != boolean_false_node)
2426 if (rhs != boolean_true_node && rhs != boolean_false_node)
2429 if (code == NE_EXPR && lhs == rhs)
2432 if (code == EQ_EXPR && lhs != rhs)
2438 /* Check if conditional statement GS is of the form 'if (var != 0)' or
2442 gimple_cond_single_var_p (gimple gs)
2444 if (gimple_cond_code (gs) == NE_EXPR
2445 && gimple_cond_rhs (gs) == boolean_false_node)
2448 if (gimple_cond_code (gs) == EQ_EXPR
2449 && gimple_cond_rhs (gs) == boolean_true_node)
2455 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */
2458 gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs)
2460 gimple_cond_set_code (stmt, code);
2461 gimple_cond_set_lhs (stmt, lhs);
2462 gimple_cond_set_rhs (stmt, rhs);
2465 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */
2468 gimple_label_label (const_gimple gs)
2470 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2471 return gimple_op (gs, 0);
2475 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement
2479 gimple_label_set_label (gimple gs, tree label)
2481 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2482 gcc_assert (TREE_CODE (label) == LABEL_DECL);
2483 gimple_set_op (gs, 0, label);
2487 /* Return the destination of the unconditional jump GS. */
2490 gimple_goto_dest (const_gimple gs)
2492 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2493 return gimple_op (gs, 0);
2497 /* Set DEST to be the destination of the unconditonal jump GS. */
2500 gimple_goto_set_dest (gimple gs, tree dest)
2502 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2503 gcc_assert (is_gimple_operand (dest));
2504 gimple_set_op (gs, 0, dest);
2508 /* Return the variables declared in the GIMPLE_BIND statement GS. */
2511 gimple_bind_vars (const_gimple gs)
2513 GIMPLE_CHECK (gs, GIMPLE_BIND);
2514 return gs->gimple_bind.vars;
2518 /* Set VARS to be the set of variables declared in the GIMPLE_BIND
2522 gimple_bind_set_vars (gimple gs, tree vars)
2524 GIMPLE_CHECK (gs, GIMPLE_BIND);
2525 gs->gimple_bind.vars = vars;
2529 /* Append VARS to the set of variables declared in the GIMPLE_BIND
2533 gimple_bind_append_vars (gimple gs, tree vars)
2535 GIMPLE_CHECK (gs, GIMPLE_BIND);
2536 gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars);
2540 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */
2542 static inline gimple_seq
2543 gimple_bind_body (gimple gs)
2545 GIMPLE_CHECK (gs, GIMPLE_BIND);
2546 return gs->gimple_bind.body;
2550 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND
2554 gimple_bind_set_body (gimple gs, gimple_seq seq)
2556 GIMPLE_CHECK (gs, GIMPLE_BIND);
2557 gs->gimple_bind.body = seq;
2561 /* Append a statement to the end of a GIMPLE_BIND's body. */
2564 gimple_bind_add_stmt (gimple gs, gimple stmt)
2566 GIMPLE_CHECK (gs, GIMPLE_BIND);
2567 gimple_seq_add_stmt (&gs->gimple_bind.body, stmt);
2571 /* Append a sequence of statements to the end of a GIMPLE_BIND's body. */
2574 gimple_bind_add_seq (gimple gs, gimple_seq seq)
2576 GIMPLE_CHECK (gs, GIMPLE_BIND);
2577 gimple_seq_add_seq (&gs->gimple_bind.body, seq);
2581 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement
2582 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */
2585 gimple_bind_block (const_gimple gs)
2587 GIMPLE_CHECK (gs, GIMPLE_BIND);
2588 return gs->gimple_bind.block;
2592 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND
2596 gimple_bind_set_block (gimple gs, tree block)
2598 GIMPLE_CHECK (gs, GIMPLE_BIND);
2599 gcc_assert (block == NULL_TREE || TREE_CODE (block) == BLOCK);
2600 gs->gimple_bind.block = block;
2604 /* Return the number of input operands for GIMPLE_ASM GS. */
2606 static inline unsigned
2607 gimple_asm_ninputs (const_gimple gs)
2609 GIMPLE_CHECK (gs, GIMPLE_ASM);
2610 return gs->gimple_asm.ni;
2614 /* Return the number of output operands for GIMPLE_ASM GS. */
2616 static inline unsigned
2617 gimple_asm_noutputs (const_gimple gs)
2619 GIMPLE_CHECK (gs, GIMPLE_ASM);
2620 return gs->gimple_asm.no;
2624 /* Return the number of clobber operands for GIMPLE_ASM GS. */
2626 static inline unsigned
2627 gimple_asm_nclobbers (const_gimple gs)
2629 GIMPLE_CHECK (gs, GIMPLE_ASM);
2630 return gs->gimple_asm.nc;
2634 /* Return input operand INDEX of GIMPLE_ASM GS. */
2637 gimple_asm_input_op (const_gimple gs, unsigned index)
2639 GIMPLE_CHECK (gs, GIMPLE_ASM);
2640 gcc_assert (index <= gs->gimple_asm.ni);
2641 return gimple_op (gs, index);
2644 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */
2646 static inline tree *
2647 gimple_asm_input_op_ptr (const_gimple gs, unsigned index)
2649 GIMPLE_CHECK (gs, GIMPLE_ASM);
2650 gcc_assert (index <= gs->gimple_asm.ni);
2651 return gimple_op_ptr (gs, index);
2655 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */
2658 gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op)
2660 GIMPLE_CHECK (gs, GIMPLE_ASM);
2661 gcc_assert (index <= gs->gimple_asm.ni);
2662 gcc_assert (TREE_CODE (in_op) == TREE_LIST);
2663 gimple_set_op (gs, index, in_op);
2667 /* Return output operand INDEX of GIMPLE_ASM GS. */
2670 gimple_asm_output_op (const_gimple gs, unsigned index)
2672 GIMPLE_CHECK (gs, GIMPLE_ASM);
2673 gcc_assert (index <= gs->gimple_asm.no);
2674 return gimple_op (gs, index + gs->gimple_asm.ni);
2677 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */
2679 static inline tree *
2680 gimple_asm_output_op_ptr (const_gimple gs, unsigned index)
2682 GIMPLE_CHECK (gs, GIMPLE_ASM);
2683 gcc_assert (index <= gs->gimple_asm.no);
2684 return gimple_op_ptr (gs, index + gs->gimple_asm.ni);
2688 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */
2691 gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op)
2693 GIMPLE_CHECK (gs, GIMPLE_ASM);
2694 gcc_assert (index <= gs->gimple_asm.no);
2695 gcc_assert (TREE_CODE (out_op) == TREE_LIST);
2696 gimple_set_op (gs, index + gs->gimple_asm.ni, out_op);
2700 /* Return clobber operand INDEX of GIMPLE_ASM GS. */
2703 gimple_asm_clobber_op (const_gimple gs, unsigned index)
2705 GIMPLE_CHECK (gs, GIMPLE_ASM);
2706 gcc_assert (index <= gs->gimple_asm.nc);
2707 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no);
2711 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */
2714 gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op)
2716 GIMPLE_CHECK (gs, GIMPLE_ASM);
2717 gcc_assert (index <= gs->gimple_asm.nc);
2718 gcc_assert (TREE_CODE (clobber_op) == TREE_LIST);
2719 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op);
2723 /* Return the string representing the assembly instruction in
2726 static inline const char *
2727 gimple_asm_string (const_gimple gs)
2729 GIMPLE_CHECK (gs, GIMPLE_ASM);
2730 return gs->gimple_asm.string;
2734 /* Return true if GS is an asm statement marked volatile. */
2737 gimple_asm_volatile_p (const_gimple gs)
2739 GIMPLE_CHECK (gs, GIMPLE_ASM);
2740 return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0;
2744 /* If VOLATLE_P is true, mark asm statement GS as volatile. */
2747 gimple_asm_set_volatile (gimple gs, bool volatile_p)
2749 GIMPLE_CHECK (gs, GIMPLE_ASM);
2751 gs->gsbase.subcode |= GF_ASM_VOLATILE;
2753 gs->gsbase.subcode &= ~GF_ASM_VOLATILE;
2757 /* If INPUT_P is true, mark asm GS as an ASM_INPUT. */
2760 gimple_asm_set_input (gimple gs, bool input_p)
2762 GIMPLE_CHECK (gs, GIMPLE_ASM);
2764 gs->gsbase.subcode |= GF_ASM_INPUT;
2766 gs->gsbase.subcode &= ~GF_ASM_INPUT;
2770 /* Return true if asm GS is an ASM_INPUT. */
2773 gimple_asm_input_p (const_gimple gs)
2775 GIMPLE_CHECK (gs, GIMPLE_ASM);
2776 return (gs->gsbase.subcode & GF_ASM_INPUT) != 0;
2780 /* Return the types handled by GIMPLE_CATCH statement GS. */
2783 gimple_catch_types (const_gimple gs)
2785 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2786 return gs->gimple_catch.types;
2790 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */
2792 static inline tree *
2793 gimple_catch_types_ptr (gimple gs)
2795 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2796 return &gs->gimple_catch.types;
2800 /* Return the GIMPLE sequence representing the body of the handler of
2801 GIMPLE_CATCH statement GS. */
2803 static inline gimple_seq
2804 gimple_catch_handler (gimple gs)
2806 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2807 return gs->gimple_catch.handler;
2811 /* Return a pointer to the GIMPLE sequence representing the body of
2812 the handler of GIMPLE_CATCH statement GS. */
2814 static inline gimple_seq *
2815 gimple_catch_handler_ptr (gimple gs)
2817 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2818 return &gs->gimple_catch.handler;
2822 /* Set T to be the set of types handled by GIMPLE_CATCH GS. */
2825 gimple_catch_set_types (gimple gs, tree t)
2827 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2828 gs->gimple_catch.types = t;
2832 /* Set HANDLER to be the body of GIMPLE_CATCH GS. */
2835 gimple_catch_set_handler (gimple gs, gimple_seq handler)
2837 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2838 gs->gimple_catch.handler = handler;
2842 /* Return the types handled by GIMPLE_EH_FILTER statement GS. */
2845 gimple_eh_filter_types (const_gimple gs)
2847 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2848 return gs->gimple_eh_filter.types;
2852 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement
2855 static inline tree *
2856 gimple_eh_filter_types_ptr (gimple gs)
2858 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2859 return &gs->gimple_eh_filter.types;
2863 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER
2866 static inline gimple_seq
2867 gimple_eh_filter_failure (gimple gs)
2869 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2870 return gs->gimple_eh_filter.failure;
2874 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */
2877 gimple_eh_filter_set_types (gimple gs, tree types)
2879 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2880 gs->gimple_eh_filter.types = types;
2884 /* Set FAILURE to be the sequence of statements to execute on failure
2885 for GIMPLE_EH_FILTER GS. */
2888 gimple_eh_filter_set_failure (gimple gs, gimple_seq failure)
2890 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2891 gs->gimple_eh_filter.failure = failure;
2894 /* Return the EH_FILTER_MUST_NOT_THROW flag. */
2898 gimple_eh_filter_must_not_throw (gimple gs)
2900 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2901 return gs->gsbase.subcode != 0;
2904 /* Set the EH_FILTER_MUST_NOT_THROW flag to the value MNTP. */
2907 gimple_eh_filter_set_must_not_throw (gimple gs, bool mntp)
2909 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2910 gs->gsbase.subcode = (unsigned int) mntp;
2914 /* GIMPLE_TRY accessors. */
2916 /* Return the kind of try block represented by GIMPLE_TRY GS. This is
2917 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */
2919 static inline enum gimple_try_flags
2920 gimple_try_kind (const_gimple gs)
2922 GIMPLE_CHECK (gs, GIMPLE_TRY);
2923 return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND);
2927 /* Set the kind of try block represented by GIMPLE_TRY GS. */
2930 gimple_try_set_kind (gimple gs, enum gimple_try_flags kind)
2932 GIMPLE_CHECK (gs, GIMPLE_TRY);
2933 gcc_assert (kind == GIMPLE_TRY_CATCH || kind == GIMPLE_TRY_FINALLY);
2934 if (gimple_try_kind (gs) != kind)
2935 gs->gsbase.subcode = (unsigned int) kind;
2939 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
2942 gimple_try_catch_is_cleanup (const_gimple gs)
2944 gcc_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH);
2945 return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0;
2949 /* Return the sequence of statements used as the body for GIMPLE_TRY GS. */
2951 static inline gimple_seq
2952 gimple_try_eval (gimple gs)
2954 GIMPLE_CHECK (gs, GIMPLE_TRY);
2955 return gs->gimple_try.eval;
2959 /* Return the sequence of statements used as the cleanup body for
2962 static inline gimple_seq
2963 gimple_try_cleanup (gimple gs)
2965 GIMPLE_CHECK (gs, GIMPLE_TRY);
2966 return gs->gimple_try.cleanup;
2970 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
2973 gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup)
2975 gcc_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH);
2976 if (catch_is_cleanup)
2977 g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP;
2979 g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP;
2983 /* Set EVAL to be the sequence of statements to use as the body for
2987 gimple_try_set_eval (gimple gs, gimple_seq eval)
2989 GIMPLE_CHECK (gs, GIMPLE_TRY);
2990 gs->gimple_try.eval = eval;
2994 /* Set CLEANUP to be the sequence of statements to use as the cleanup
2995 body for GIMPLE_TRY GS. */
2998 gimple_try_set_cleanup (gimple gs, gimple_seq cleanup)
3000 GIMPLE_CHECK (gs, GIMPLE_TRY);
3001 gs->gimple_try.cleanup = cleanup;
3005 /* Return the cleanup sequence for cleanup statement GS. */
3007 static inline gimple_seq
3008 gimple_wce_cleanup (gimple gs)
3010 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3011 return gs->gimple_wce.cleanup;
3015 /* Set CLEANUP to be the cleanup sequence for GS. */
3018 gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup)
3020 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3021 gs->gimple_wce.cleanup = cleanup;
3025 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */
3028 gimple_wce_cleanup_eh_only (const_gimple gs)
3030 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3031 return gs->gsbase.subcode != 0;
3035 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */
3038 gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p)
3040 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3041 gs->gsbase.subcode = (unsigned int) eh_only_p;
3045 /* Return the maximum number of arguments supported by GIMPLE_PHI GS. */
3047 static inline unsigned
3048 gimple_phi_capacity (const_gimple gs)
3050 GIMPLE_CHECK (gs, GIMPLE_PHI);
3051 return gs->gimple_phi.capacity;
3055 /* Return the number of arguments in GIMPLE_PHI GS. This must always
3056 be exactly the number of incoming edges for the basic block holding
3059 static inline unsigned
3060 gimple_phi_num_args (const_gimple gs)
3062 GIMPLE_CHECK (gs, GIMPLE_PHI);
3063 return gs->gimple_phi.nargs;
3067 /* Return the SSA name created by GIMPLE_PHI GS. */
3070 gimple_phi_result (const_gimple gs)
3072 GIMPLE_CHECK (gs, GIMPLE_PHI);
3073 return gs->gimple_phi.result;
3076 /* Return a pointer to the SSA name created by GIMPLE_PHI GS. */
3078 static inline tree *
3079 gimple_phi_result_ptr (gimple gs)
3081 GIMPLE_CHECK (gs, GIMPLE_PHI);
3082 return &gs->gimple_phi.result;
3085 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */
3088 gimple_phi_set_result (gimple gs, tree result)
3090 GIMPLE_CHECK (gs, GIMPLE_PHI);
3091 gs->gimple_phi.result = result;
3095 /* Return the PHI argument corresponding to incoming edge INDEX for
3098 static inline struct phi_arg_d *
3099 gimple_phi_arg (gimple gs, unsigned index)
3101 GIMPLE_CHECK (gs, GIMPLE_PHI);
3102 gcc_assert (index <= gs->gimple_phi.capacity);
3103 return &(gs->gimple_phi.args[index]);
3106 /* Set PHIARG to be the argument corresponding to incoming edge INDEX
3107 for GIMPLE_PHI GS. */
3110 gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg)
3112 GIMPLE_CHECK (gs, GIMPLE_PHI);
3113 gcc_assert (index <= gs->gimple_phi.nargs);
3114 memcpy (gs->gimple_phi.args + index, phiarg, sizeof (struct phi_arg_d));
3117 /* Return the region number for GIMPLE_RESX GS. */
3120 gimple_resx_region (const_gimple gs)
3122 GIMPLE_CHECK (gs, GIMPLE_RESX);
3123 return gs->gimple_resx.region;
3126 /* Set REGION to be the region number for GIMPLE_RESX GS. */
3129 gimple_resx_set_region (gimple gs, int region)
3131 GIMPLE_CHECK (gs, GIMPLE_RESX);
3132 gs->gimple_resx.region = region;
3136 /* Return the number of labels associated with the switch statement GS. */
3138 static inline unsigned
3139 gimple_switch_num_labels (const_gimple gs)
3142 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3143 num_ops = gimple_num_ops (gs);
3144 gcc_assert (num_ops > 1);
3149 /* Set NLABELS to be the number of labels for the switch statement GS. */
3152 gimple_switch_set_num_labels (gimple g, unsigned nlabels)
3154 GIMPLE_CHECK (g, GIMPLE_SWITCH);
3155 gimple_set_num_ops (g, nlabels + 1);
3159 /* Return the index variable used by the switch statement GS. */
3162 gimple_switch_index (const_gimple gs)
3164 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3165 return gimple_op (gs, 0);
3169 /* Return a pointer to the index variable for the switch statement GS. */
3171 static inline tree *
3172 gimple_switch_index_ptr (const_gimple gs)
3174 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3175 return gimple_op_ptr (gs, 0);
3179 /* Set INDEX to be the index variable for switch statement GS. */
3182 gimple_switch_set_index (gimple gs, tree index)
3184 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3185 gcc_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index));
3186 gimple_set_op (gs, 0, index);
3190 /* Return the label numbered INDEX. The default label is 0, followed by any
3191 labels in a switch statement. */
3194 gimple_switch_label (const_gimple gs, unsigned index)
3196 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3197 gcc_assert (gimple_num_ops (gs) > index + 1);
3198 return gimple_op (gs, index + 1);
3201 /* Set the label number INDEX to LABEL. 0 is always the default label. */
3204 gimple_switch_set_label (gimple gs, unsigned index, tree label)
3206 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3207 gcc_assert (gimple_num_ops (gs) > index + 1);
3208 gcc_assert (label == NULL_TREE || TREE_CODE (label) == CASE_LABEL_EXPR);
3209 gimple_set_op (gs, index + 1, label);
3212 /* Return the default label for a switch statement. */
3215 gimple_switch_default_label (const_gimple gs)
3217 return gimple_switch_label (gs, 0);
3220 /* Set the default label for a switch statement. */
3223 gimple_switch_set_default_label (gimple gs, tree label)
3225 gimple_switch_set_label (gs, 0, label);
3229 /* Return the body for the OMP statement GS. */
3231 static inline gimple_seq
3232 gimple_omp_body (gimple gs)
3234 return gs->omp.body;
3237 /* Set BODY to be the body for the OMP statement GS. */
3240 gimple_omp_set_body (gimple gs, gimple_seq body)
3242 gs->omp.body = body;
3246 /* Return the name associated with OMP_CRITICAL statement GS. */
3249 gimple_omp_critical_name (const_gimple gs)
3251 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3252 return gs->gimple_omp_critical.name;
3256 /* Return a pointer to the name associated with OMP critical statement GS. */
3258 static inline tree *
3259 gimple_omp_critical_name_ptr (gimple gs)
3261 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3262 return &gs->gimple_omp_critical.name;
3266 /* Set NAME to be the name associated with OMP critical statement GS. */
3269 gimple_omp_critical_set_name (gimple gs, tree name)
3271 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3272 gs->gimple_omp_critical.name = name;
3276 /* Return the clauses associated with OMP_FOR GS. */
3279 gimple_omp_for_clauses (const_gimple gs)
3281 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3282 return gs->gimple_omp_for.clauses;
3286 /* Return a pointer to the OMP_FOR GS. */
3288 static inline tree *
3289 gimple_omp_for_clauses_ptr (gimple gs)
3291 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3292 return &gs->gimple_omp_for.clauses;
3296 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */
3299 gimple_omp_for_set_clauses (gimple gs, tree clauses)
3301 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3302 gs->gimple_omp_for.clauses = clauses;
3306 /* Get the collapse count of OMP_FOR GS. */
3308 static inline size_t
3309 gimple_omp_for_collapse (gimple gs)
3311 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3312 return gs->gimple_omp_for.collapse;
3316 /* Return the index variable for OMP_FOR GS. */
3319 gimple_omp_for_index (const_gimple gs, size_t i)
3321 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3322 gcc_assert (i < gs->gimple_omp_for.collapse);
3323 return gs->gimple_omp_for.iter[i].index;
3327 /* Return a pointer to the index variable for OMP_FOR GS. */
3329 static inline tree *
3330 gimple_omp_for_index_ptr (gimple gs, size_t i)
3332 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3333 gcc_assert (i < gs->gimple_omp_for.collapse);
3334 return &gs->gimple_omp_for.iter[i].index;
3338 /* Set INDEX to be the index variable for OMP_FOR GS. */
3341 gimple_omp_for_set_index (gimple gs, size_t i, tree index)
3343 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3344 gcc_assert (i < gs->gimple_omp_for.collapse);
3345 gs->gimple_omp_for.iter[i].index = index;
3349 /* Return the initial value for OMP_FOR GS. */
3352 gimple_omp_for_initial (const_gimple gs, size_t i)
3354 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3355 gcc_assert (i < gs->gimple_omp_for.collapse);
3356 return gs->gimple_omp_for.iter[i].initial;
3360 /* Return a pointer to the initial value for OMP_FOR GS. */
3362 static inline tree *
3363 gimple_omp_for_initial_ptr (gimple gs, size_t i)
3365 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3366 gcc_assert (i < gs->gimple_omp_for.collapse);
3367 return &gs->gimple_omp_for.iter[i].initial;
3371 /* Set INITIAL to be the initial value for OMP_FOR GS. */
3374 gimple_omp_for_set_initial (gimple gs, size_t i, tree initial)
3376 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3377 gcc_assert (i < gs->gimple_omp_for.collapse);
3378 gs->gimple_omp_for.iter[i].initial = initial;
3382 /* Return the final value for OMP_FOR GS. */
3385 gimple_omp_for_final (const_gimple gs, size_t i)
3387 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3388 gcc_assert (i < gs->gimple_omp_for.collapse);
3389 return gs->gimple_omp_for.iter[i].final;
3393 /* Return a pointer to the final value for OMP_FOR GS. */
3395 static inline tree *
3396 gimple_omp_for_final_ptr (gimple gs, size_t i)
3398 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3399 gcc_assert (i < gs->gimple_omp_for.collapse);
3400 return &gs->gimple_omp_for.iter[i].final;
3404 /* Set FINAL to be the final value for OMP_FOR GS. */
3407 gimple_omp_for_set_final (gimple gs, size_t i, tree final)
3409 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3410 gcc_assert (i < gs->gimple_omp_for.collapse);
3411 gs->gimple_omp_for.iter[i].final = final;
3415 /* Return the increment value for OMP_FOR GS. */
3418 gimple_omp_for_incr (const_gimple gs, size_t i)
3420 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3421 gcc_assert (i < gs->gimple_omp_for.collapse);
3422 return gs->gimple_omp_for.iter[i].incr;
3426 /* Return a pointer to the increment value for OMP_FOR GS. */
3428 static inline tree *
3429 gimple_omp_for_incr_ptr (gimple gs, size_t i)
3431 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3432 gcc_assert (i < gs->gimple_omp_for.collapse);
3433 return &gs->gimple_omp_for.iter[i].incr;
3437 /* Set INCR to be the increment value for OMP_FOR GS. */
3440 gimple_omp_for_set_incr (gimple gs, size_t i, tree incr)
3442 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3443 gcc_assert (i < gs->gimple_omp_for.collapse);
3444 gs->gimple_omp_for.iter[i].incr = incr;
3448 /* Return the sequence of statements to execute before the OMP_FOR
3449 statement GS starts. */
3451 static inline gimple_seq
3452 gimple_omp_for_pre_body (gimple gs)
3454 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3455 return gs->gimple_omp_for.pre_body;
3459 /* Set PRE_BODY to be the sequence of statements to execute before the
3460 OMP_FOR statement GS starts. */
3463 gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body)
3465 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3466 gs->gimple_omp_for.pre_body = pre_body;
3470 /* Return the clauses associated with OMP_PARALLEL GS. */
3473 gimple_omp_parallel_clauses (const_gimple gs)
3475 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3476 return gs->gimple_omp_parallel.clauses;
3480 /* Return a pointer to the clauses associated with OMP_PARALLEL GS. */
3482 static inline tree *
3483 gimple_omp_parallel_clauses_ptr (gimple gs)
3485 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3486 return &gs->gimple_omp_parallel.clauses;
3490 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL
3494 gimple_omp_parallel_set_clauses (gimple gs, tree clauses)
3496 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3497 gs->gimple_omp_parallel.clauses = clauses;
3501 /* Return the child function used to hold the body of OMP_PARALLEL GS. */
3504 gimple_omp_parallel_child_fn (const_gimple gs)
3506 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3507 return gs->gimple_omp_parallel.child_fn;
3510 /* Return a pointer to the child function used to hold the body of
3513 static inline tree *
3514 gimple_omp_parallel_child_fn_ptr (gimple gs)
3516 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3517 return &gs->gimple_omp_parallel.child_fn;
3521 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */
3524 gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn)
3526 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3527 gs->gimple_omp_parallel.child_fn = child_fn;
3531 /* Return the artificial argument used to send variables and values
3532 from the parent to the children threads in OMP_PARALLEL GS. */
3535 gimple_omp_parallel_data_arg (const_gimple gs)
3537 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3538 return gs->gimple_omp_parallel.data_arg;
3542 /* Return a pointer to the data argument for OMP_PARALLEL GS. */
3544 static inline tree *
3545 gimple_omp_parallel_data_arg_ptr (gimple gs)
3547 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3548 return &gs->gimple_omp_parallel.data_arg;
3552 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */
3555 gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg)
3557 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3558 gs->gimple_omp_parallel.data_arg = data_arg;
3562 /* Return the clauses associated with OMP_TASK GS. */
3565 gimple_omp_task_clauses (const_gimple gs)
3567 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3568 return gs->gimple_omp_parallel.clauses;
3572 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3574 static inline tree *
3575 gimple_omp_task_clauses_ptr (gimple gs)
3577 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3578 return &gs->gimple_omp_parallel.clauses;
3582 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3586 gimple_omp_task_set_clauses (gimple gs, tree clauses)
3588 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3589 gs->gimple_omp_parallel.clauses = clauses;
3593 /* Return the child function used to hold the body of OMP_TASK GS. */
3596 gimple_omp_task_child_fn (const_gimple gs)
3598 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3599 return gs->gimple_omp_parallel.child_fn;
3602 /* Return a pointer to the child function used to hold the body of
3605 static inline tree *
3606 gimple_omp_task_child_fn_ptr (gimple gs)
3608 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3609 return &gs->gimple_omp_parallel.child_fn;
3613 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3616 gimple_omp_task_set_child_fn (gimple gs, tree child_fn)
3618 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3619 gs->gimple_omp_parallel.child_fn = child_fn;
3623 /* Return the artificial argument used to send variables and values
3624 from the parent to the children threads in OMP_TASK GS. */
3627 gimple_omp_task_data_arg (const_gimple gs)
3629 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3630 return gs->gimple_omp_parallel.data_arg;
3634 /* Return a pointer to the data argument for OMP_TASK GS. */
3636 static inline tree *
3637 gimple_omp_task_data_arg_ptr (gimple gs)
3639 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3640 return &gs->gimple_omp_parallel.data_arg;
3644 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3647 gimple_omp_task_set_data_arg (gimple gs, tree data_arg)
3649 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3650 gs->gimple_omp_parallel.data_arg = data_arg;
3654 /* Return the clauses associated with OMP_TASK GS. */
3657 gimple_omp_taskreg_clauses (const_gimple gs)
3659 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3660 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3661 return gs->gimple_omp_parallel.clauses;
3665 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3667 static inline tree *
3668 gimple_omp_taskreg_clauses_ptr (gimple gs)
3670 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3671 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3672 return &gs->gimple_omp_parallel.clauses;
3676 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3680 gimple_omp_taskreg_set_clauses (gimple gs, tree clauses)
3682 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3683 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3684 gs->gimple_omp_parallel.clauses = clauses;
3688 /* Return the child function used to hold the body of OMP_TASK GS. */
3691 gimple_omp_taskreg_child_fn (const_gimple gs)
3693 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3694 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3695 return gs->gimple_omp_parallel.child_fn;
3698 /* Return a pointer to the child function used to hold the body of
3701 static inline tree *
3702 gimple_omp_taskreg_child_fn_ptr (gimple gs)
3704 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3705 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3706 return &gs->gimple_omp_parallel.child_fn;
3710 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3713 gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn)
3715 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3716 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3717 gs->gimple_omp_parallel.child_fn = child_fn;
3721 /* Return the artificial argument used to send variables and values
3722 from the parent to the children threads in OMP_TASK GS. */
3725 gimple_omp_taskreg_data_arg (const_gimple gs)
3727 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3728 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3729 return gs->gimple_omp_parallel.data_arg;
3733 /* Return a pointer to the data argument for OMP_TASK GS. */
3735 static inline tree *
3736 gimple_omp_taskreg_data_arg_ptr (gimple gs)
3738 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3739 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3740 return &gs->gimple_omp_parallel.data_arg;
3744 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3747 gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg)
3749 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3750 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3751 gs->gimple_omp_parallel.data_arg = data_arg;
3755 /* Return the copy function used to hold the body of OMP_TASK GS. */
3758 gimple_omp_task_copy_fn (const_gimple gs)
3760 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3761 return gs->gimple_omp_task.copy_fn;
3764 /* Return a pointer to the copy function used to hold the body of
3767 static inline tree *
3768 gimple_omp_task_copy_fn_ptr (gimple gs)
3770 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3771 return &gs->gimple_omp_task.copy_fn;
3775 /* Set CHILD_FN to be the copy function for OMP_TASK GS. */
3778 gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn)
3780 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3781 gs->gimple_omp_task.copy_fn = copy_fn;
3785 /* Return size of the data block in bytes in OMP_TASK GS. */
3788 gimple_omp_task_arg_size (const_gimple gs)
3790 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3791 return gs->gimple_omp_task.arg_size;
3795 /* Return a pointer to the data block size for OMP_TASK GS. */
3797 static inline tree *
3798 gimple_omp_task_arg_size_ptr (gimple gs)
3800 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3801 return &gs->gimple_omp_task.arg_size;
3805 /* Set ARG_SIZE to be the data block size for OMP_TASK GS. */
3808 gimple_omp_task_set_arg_size (gimple gs, tree arg_size)
3810 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3811 gs->gimple_omp_task.arg_size = arg_size;
3815 /* Return align of the data block in bytes in OMP_TASK GS. */
3818 gimple_omp_task_arg_align (const_gimple gs)
3820 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3821 return gs->gimple_omp_task.arg_align;
3825 /* Return a pointer to the data block align for OMP_TASK GS. */
3827 static inline tree *
3828 gimple_omp_task_arg_align_ptr (gimple gs)
3830 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3831 return &gs->gimple_omp_task.arg_align;
3835 /* Set ARG_SIZE to be the data block align for OMP_TASK GS. */
3838 gimple_omp_task_set_arg_align (gimple gs, tree arg_align)
3840 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3841 gs->gimple_omp_task.arg_align = arg_align;
3845 /* Return the clauses associated with OMP_SINGLE GS. */
3848 gimple_omp_single_clauses (const_gimple gs)
3850 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
3851 return gs->gimple_omp_single.clauses;
3855 /* Return a pointer to the clauses associated with OMP_SINGLE GS. */
3857 static inline tree *
3858 gimple_omp_single_clauses_ptr (gimple gs)
3860 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
3861 return &gs->gimple_omp_single.clauses;
3865 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */
3868 gimple_omp_single_set_clauses (gimple gs, tree clauses)
3870 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
3871 gs->gimple_omp_single.clauses = clauses;
3875 /* Return the clauses associated with OMP_SECTIONS GS. */
3878 gimple_omp_sections_clauses (const_gimple gs)
3880 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
3881 return gs->gimple_omp_sections.clauses;
3885 /* Return a pointer to the clauses associated with OMP_SECTIONS GS. */
3887 static inline tree *
3888 gimple_omp_sections_clauses_ptr (gimple gs)
3890 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
3891 return &gs->gimple_omp_sections.clauses;
3895 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS
3899 gimple_omp_sections_set_clauses (gimple gs, tree clauses)
3901 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
3902 gs->gimple_omp_sections.clauses = clauses;
3906 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS
3910 gimple_omp_sections_control (const_gimple gs)
3912 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
3913 return gs->gimple_omp_sections.control;
3917 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS
3920 static inline tree *
3921 gimple_omp_sections_control_ptr (gimple gs)
3923 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
3924 return &gs->gimple_omp_sections.control;
3928 /* Set CONTROL to be the set of clauses associated with the
3929 GIMPLE_OMP_SECTIONS in GS. */
3932 gimple_omp_sections_set_control (gimple gs, tree control)
3934 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
3935 gs->gimple_omp_sections.control = control;
3939 /* Set COND to be the condition code for OMP_FOR GS. */
3942 gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond)
3944 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3945 gcc_assert (TREE_CODE_CLASS (cond) == tcc_comparison);
3946 gcc_assert (i < gs->gimple_omp_for.collapse);
3947 gs->gimple_omp_for.iter[i].cond = cond;
3951 /* Return the condition code associated with OMP_FOR GS. */
3953 static inline enum tree_code
3954 gimple_omp_for_cond (const_gimple gs, size_t i)
3956 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3957 gcc_assert (i < gs->gimple_omp_for.collapse);
3958 return gs->gimple_omp_for.iter[i].cond;
3962 /* Set the value being stored in an atomic store. */
3965 gimple_omp_atomic_store_set_val (gimple g, tree val)
3967 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
3968 g->gimple_omp_atomic_store.val = val;
3972 /* Return the value being stored in an atomic store. */
3975 gimple_omp_atomic_store_val (const_gimple g)
3977 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
3978 return g->gimple_omp_atomic_store.val;
3982 /* Return a pointer to the value being stored in an atomic store. */
3984 static inline tree *
3985 gimple_omp_atomic_store_val_ptr (gimple g)
3987 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
3988 return &g->gimple_omp_atomic_store.val;
3992 /* Set the LHS of an atomic load. */
3995 gimple_omp_atomic_load_set_lhs (gimple g, tree lhs)
3997 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
3998 g->gimple_omp_atomic_load.lhs = lhs;
4002 /* Get the LHS of an atomic load. */
4005 gimple_omp_atomic_load_lhs (const_gimple g)
4007 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4008 return g->gimple_omp_atomic_load.lhs;
4012 /* Return a pointer to the LHS of an atomic load. */
4014 static inline tree *
4015 gimple_omp_atomic_load_lhs_ptr (gimple g)
4017 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4018 return &g->gimple_omp_atomic_load.lhs;
4022 /* Set the RHS of an atomic load. */
4025 gimple_omp_atomic_load_set_rhs (gimple g, tree rhs)
4027 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4028 g->gimple_omp_atomic_load.rhs = rhs;
4032 /* Get the RHS of an atomic load. */
4035 gimple_omp_atomic_load_rhs (const_gimple g)
4037 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4038 return g->gimple_omp_atomic_load.rhs;
4042 /* Return a pointer to the RHS of an atomic load. */
4044 static inline tree *
4045 gimple_omp_atomic_load_rhs_ptr (gimple g)
4047 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4048 return &g->gimple_omp_atomic_load.rhs;
4052 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4055 gimple_omp_continue_control_def (const_gimple g)
4057 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4058 return g->gimple_omp_continue.control_def;
4061 /* The same as above, but return the address. */
4063 static inline tree *
4064 gimple_omp_continue_control_def_ptr (gimple g)
4066 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4067 return &g->gimple_omp_continue.control_def;
4070 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4073 gimple_omp_continue_set_control_def (gimple g, tree def)
4075 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4076 g->gimple_omp_continue.control_def = def;
4080 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4083 gimple_omp_continue_control_use (const_gimple g)
4085 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4086 return g->gimple_omp_continue.control_use;
4090 /* The same as above, but return the address. */
4092 static inline tree *
4093 gimple_omp_continue_control_use_ptr (gimple g)
4095 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4096 return &g->gimple_omp_continue.control_use;
4100 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4103 gimple_omp_continue_set_control_use (gimple g, tree use)
4105 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4106 g->gimple_omp_continue.control_use = use;
4110 /* Return a pointer to the return value for GIMPLE_RETURN GS. */
4112 static inline tree *
4113 gimple_return_retval_ptr (const_gimple gs)
4115 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4116 gcc_assert (gimple_num_ops (gs) == 1);
4117 return gimple_op_ptr (gs, 0);
4120 /* Return the return value for GIMPLE_RETURN GS. */
4123 gimple_return_retval (const_gimple gs)
4125 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4126 gcc_assert (gimple_num_ops (gs) == 1);
4127 return gimple_op (gs, 0);
4131 /* Set RETVAL to be the return value for GIMPLE_RETURN GS. */
4134 gimple_return_set_retval (gimple gs, tree retval)
4136 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4137 gcc_assert (gimple_num_ops (gs) == 1);
4138 gcc_assert (retval == NULL_TREE
4139 || TREE_CODE (retval) == RESULT_DECL
4140 || is_gimple_val (retval));
4141 gimple_set_op (gs, 0, retval);
4145 /* Returns true when the gimple statment STMT is any of the OpenMP types. */
4148 is_gimple_omp (const_gimple stmt)
4150 return (gimple_code (stmt) == GIMPLE_OMP_PARALLEL
4151 || gimple_code (stmt) == GIMPLE_OMP_TASK
4152 || gimple_code (stmt) == GIMPLE_OMP_FOR
4153 || gimple_code (stmt) == GIMPLE_OMP_SECTIONS
4154 || gimple_code (stmt) == GIMPLE_OMP_SECTIONS_SWITCH
4155 || gimple_code (stmt) == GIMPLE_OMP_SINGLE
4156 || gimple_code (stmt) == GIMPLE_OMP_SECTION
4157 || gimple_code (stmt) == GIMPLE_OMP_MASTER
4158 || gimple_code (stmt) == GIMPLE_OMP_ORDERED
4159 || gimple_code (stmt) == GIMPLE_OMP_CRITICAL
4160 || gimple_code (stmt) == GIMPLE_OMP_RETURN
4161 || gimple_code (stmt) == GIMPLE_OMP_ATOMIC_LOAD
4162 || gimple_code (stmt) == GIMPLE_OMP_ATOMIC_STORE
4163 || gimple_code (stmt) == GIMPLE_OMP_CONTINUE);
4167 /* Returns TRUE if statement G is a GIMPLE_NOP. */
4170 gimple_nop_p (const_gimple g)
4172 return gimple_code (g) == GIMPLE_NOP;
4176 /* Return the new type set by GIMPLE_CHANGE_DYNAMIC_TYPE statement GS. */
4179 gimple_cdt_new_type (gimple gs)
4181 GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE);
4182 return gimple_op (gs, 1);
4185 /* Return a pointer to the new type set by GIMPLE_CHANGE_DYNAMIC_TYPE
4188 static inline tree *
4189 gimple_cdt_new_type_ptr (gimple gs)
4191 GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE);
4192 return gimple_op_ptr (gs, 1);
4195 /* Set NEW_TYPE to be the type returned by GIMPLE_CHANGE_DYNAMIC_TYPE
4199 gimple_cdt_set_new_type (gimple gs, tree new_type)
4201 GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE);
4202 gcc_assert (TREE_CODE_CLASS (TREE_CODE (new_type)) == tcc_type);
4203 gimple_set_op (gs, 1, new_type);
4207 /* Return the location affected by GIMPLE_CHANGE_DYNAMIC_TYPE statement GS. */
4210 gimple_cdt_location (gimple gs)
4212 GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE);
4213 return gimple_op (gs, 0);
4217 /* Return a pointer to the location affected by GIMPLE_CHANGE_DYNAMIC_TYPE
4220 static inline tree *
4221 gimple_cdt_location_ptr (gimple gs)
4223 GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE);
4224 return gimple_op_ptr (gs, 0);
4228 /* Set PTR to be the location affected by GIMPLE_CHANGE_DYNAMIC_TYPE
4232 gimple_cdt_set_location (gimple gs, tree ptr)
4234 GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE);
4235 gimple_set_op (gs, 0, ptr);
4239 /* Return the predictor of GIMPLE_PREDICT statement GS. */
4241 static inline enum br_predictor
4242 gimple_predict_predictor (gimple gs)
4244 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4245 return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN);
4249 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */
4252 gimple_predict_set_predictor (gimple gs, enum br_predictor predictor)
4254 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4255 gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN)
4256 | (unsigned) predictor;
4260 /* Return the outcome of GIMPLE_PREDICT statement GS. */
4262 static inline enum prediction
4263 gimple_predict_outcome (gimple gs)
4265 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4266 return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN;
4270 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */
4273 gimple_predict_set_outcome (gimple gs, enum prediction outcome)
4275 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4276 if (outcome == TAKEN)
4277 gs->gsbase.subcode |= GF_PREDICT_TAKEN;
4279 gs->gsbase.subcode &= ~GF_PREDICT_TAKEN;
4283 /* Return a new iterator pointing to GIMPLE_SEQ's first statement. */
4285 static inline gimple_stmt_iterator
4286 gsi_start (gimple_seq seq)
4288 gimple_stmt_iterator i;
4290 i.ptr = gimple_seq_first (seq);
4292 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4298 /* Return a new iterator pointing to the first statement in basic block BB. */
4300 static inline gimple_stmt_iterator
4301 gsi_start_bb (basic_block bb)
4303 gimple_stmt_iterator i;
4307 i.ptr = gimple_seq_first (seq);
4315 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */
4317 static inline gimple_stmt_iterator
4318 gsi_last (gimple_seq seq)
4320 gimple_stmt_iterator i;
4322 i.ptr = gimple_seq_last (seq);
4324 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4330 /* Return a new iterator pointing to the last statement in basic block BB. */
4332 static inline gimple_stmt_iterator
4333 gsi_last_bb (basic_block bb)
4335 gimple_stmt_iterator i;
4339 i.ptr = gimple_seq_last (seq);
4347 /* Return true if I is at the end of its sequence. */
4350 gsi_end_p (gimple_stmt_iterator i)
4352 return i.ptr == NULL;
4356 /* Return true if I is one statement before the end of its sequence. */
4359 gsi_one_before_end_p (gimple_stmt_iterator i)
4361 return i.ptr != NULL && i.ptr->next == NULL;
4365 /* Advance the iterator to the next gimple statement. */
4368 gsi_next (gimple_stmt_iterator *i)
4370 i->ptr = i->ptr->next;
4373 /* Advance the iterator to the previous gimple statement. */
4376 gsi_prev (gimple_stmt_iterator *i)
4378 i->ptr = i->ptr->prev;
4381 /* Return the current stmt. */
4383 static inline gimple
4384 gsi_stmt (gimple_stmt_iterator i)
4389 /* Return a block statement iterator that points to the first non-label
4390 statement in block BB. */
4392 static inline gimple_stmt_iterator
4393 gsi_after_labels (basic_block bb)
4395 gimple_stmt_iterator gsi = gsi_start_bb (bb);
4397 while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL)
4403 /* Return a pointer to the current stmt.
4405 NOTE: You may want to use gsi_replace on the iterator itself,
4406 as this performs additional bookkeeping that will not be done
4407 if you simply assign through a pointer returned by gsi_stmt_ptr. */
4409 static inline gimple *
4410 gsi_stmt_ptr (gimple_stmt_iterator *i)
4412 return &i->ptr->stmt;
4416 /* Return the basic block associated with this iterator. */
4418 static inline basic_block
4419 gsi_bb (gimple_stmt_iterator i)
4425 /* Return the sequence associated with this iterator. */
4427 static inline gimple_seq
4428 gsi_seq (gimple_stmt_iterator i)
4434 enum gsi_iterator_update
4436 GSI_NEW_STMT, /* Only valid when single statement is added, move
4438 GSI_SAME_STMT, /* Leave the iterator at the same statement. */
4439 GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable
4440 for linking other statements in the same
4444 /* In gimple-iterator.c */
4445 gimple_stmt_iterator gsi_start_phis (basic_block);
4446 gimple_seq gsi_split_seq_after (gimple_stmt_iterator);
4447 gimple_seq gsi_split_seq_before (gimple_stmt_iterator *);
4448 void gsi_replace (gimple_stmt_iterator *, gimple, bool);
4449 void gsi_insert_before (gimple_stmt_iterator *, gimple,
4450 enum gsi_iterator_update);
4451 void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple,
4452 enum gsi_iterator_update);
4453 void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq,
4454 enum gsi_iterator_update);
4455 void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq,
4456 enum gsi_iterator_update);
4457 void gsi_insert_after (gimple_stmt_iterator *, gimple,
4458 enum gsi_iterator_update);
4459 void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple,
4460 enum gsi_iterator_update);
4461 void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq,
4462 enum gsi_iterator_update);
4463 void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq,
4464 enum gsi_iterator_update);
4465 void gsi_remove (gimple_stmt_iterator *, bool);
4466 gimple_stmt_iterator gsi_for_stmt (gimple);
4467 void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *);
4468 void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *);
4469 void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *);
4470 void gsi_insert_on_edge (edge, gimple);
4471 void gsi_insert_seq_on_edge (edge, gimple_seq);
4472 basic_block gsi_insert_on_edge_immediate (edge, gimple);
4473 basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq);
4474 void gsi_commit_one_edge_insert (edge, basic_block *);
4475 void gsi_commit_edge_inserts (void);
4476 gimple gimple_call_copy_skip_args (gimple, bitmap);
4479 /* Convenience routines to walk all statements of a gimple function.
4480 Note that this is useful exclusively before the code is converted
4481 into SSA form. Once the program is in SSA form, the standard
4482 operand interface should be used to analyze/modify statements. */
4483 struct walk_stmt_info
4485 /* Points to the current statement being walked. */
4486 gimple_stmt_iterator gsi;
4488 /* Additional data that the callback functions may want to carry
4489 through the recursion. */
4492 /* Pointer map used to mark visited tree nodes when calling
4493 walk_tree on each operand. If set to NULL, duplicate tree nodes
4494 will be visited more than once. */
4495 struct pointer_set_t *pset;
4497 /* Indicates whether the operand being examined may be replaced
4498 with something that matches is_gimple_val (if true) or something
4499 slightly more complicated (if false). "Something" technically
4500 means the common subset of is_gimple_lvalue and is_gimple_rhs,
4501 but we never try to form anything more complicated than that, so
4502 we don't bother checking.
4504 Also note that CALLBACK should update this flag while walking the
4505 sub-expressions of a statement. For instance, when walking the
4506 statement 'foo (&var)', the flag VAL_ONLY will initially be set
4507 to true, however, when walking &var, the operand of that
4508 ADDR_EXPR does not need to be a GIMPLE value. */
4511 /* True if we are currently walking the LHS of an assignment. */
4514 /* Optional. Set to true by the callback functions if they made any
4518 /* True if we're interested in location information. */
4519 bool want_locations;
4521 /* Operand returned by the callbacks. This is set when calling
4522 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback
4523 returns non-NULL, this field will contain the tree returned by
4524 the last callback. */
4525 tree callback_result;
4528 /* Callback for walk_gimple_stmt. Called for every statement found
4529 during traversal. The first argument points to the statement to
4530 walk. The second argument is a flag that the callback sets to
4531 'true' if it the callback handled all the operands and
4532 sub-statements of the statement (the default value of this flag is
4533 'false'). The third argument is an anonymous pointer to data
4534 to be used by the callback. */
4535 typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *,
4536 struct walk_stmt_info *);
4538 gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn,
4539 struct walk_stmt_info *);
4540 tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn,
4541 struct walk_stmt_info *);
4542 tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *);
4544 #ifdef GATHER_STATISTICS
4545 /* Enum and arrays used for allocation stats. Keep in sync with
4546 gimple.c:gimple_alloc_kind_names. */
4547 enum gimple_alloc_kind
4549 gimple_alloc_kind_assign, /* Assignments. */
4550 gimple_alloc_kind_phi, /* PHI nodes. */
4551 gimple_alloc_kind_cond, /* Conditionals. */
4552 gimple_alloc_kind_seq, /* Sequences. */
4553 gimple_alloc_kind_rest, /* Everything else. */
4554 gimple_alloc_kind_all
4557 extern int gimple_alloc_counts[];
4558 extern int gimple_alloc_sizes[];
4560 /* Return the allocation kind for a given stmt CODE. */
4561 static inline enum gimple_alloc_kind
4562 gimple_alloc_kind (enum gimple_code code)
4567 return gimple_alloc_kind_assign;
4569 return gimple_alloc_kind_phi;
4571 return gimple_alloc_kind_cond;
4573 return gimple_alloc_kind_rest;
4576 #endif /* GATHER_STATISTICS */
4578 extern void dump_gimple_statistics (void);
4580 #endif /* GCC_GIMPLE_H */