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 if T is a GIMPLE temporary variable, false otherwise. */
863 extern bool is_gimple_formal_tmp_var (tree);
864 /* Returns true if T is a GIMPLE temporary register variable. */
865 extern bool is_gimple_formal_tmp_reg (tree);
866 /* Returns true iff T is any sort of variable. */
867 extern bool is_gimple_variable (tree);
868 /* Returns true iff T is any sort of symbol. */
869 extern bool is_gimple_id (tree);
870 /* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */
871 extern bool is_gimple_min_lval (tree);
872 /* Returns true iff T is something whose address can be taken. */
873 extern bool is_gimple_addressable (tree);
874 /* Returns true iff T is any valid GIMPLE lvalue. */
875 extern bool is_gimple_lvalue (tree);
877 /* Returns true iff T is a GIMPLE address. */
878 bool is_gimple_address (const_tree);
879 /* Returns true iff T is a GIMPLE invariant address. */
880 bool is_gimple_invariant_address (const_tree);
881 /* Returns true iff T is a GIMPLE invariant address at interprocedural
883 bool is_gimple_ip_invariant_address (const_tree);
884 /* Returns true iff T is a valid GIMPLE constant. */
885 bool is_gimple_constant (const_tree);
886 /* Returns true iff T is a GIMPLE restricted function invariant. */
887 extern bool is_gimple_min_invariant (const_tree);
888 /* Returns true iff T is a GIMPLE restricted interprecodural invariant. */
889 extern bool is_gimple_ip_invariant (const_tree);
890 /* Returns true iff T is a GIMPLE rvalue. */
891 extern bool is_gimple_val (tree);
892 /* Returns true iff T is a GIMPLE asm statement input. */
893 extern bool is_gimple_asm_val (tree);
894 /* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a
895 GIMPLE temporary, a renamed user variable, or something else,
897 extern bool is_gimple_formal_tmp_rhs (tree);
898 extern bool is_gimple_reg_rhs (tree);
899 extern bool is_gimple_mem_rhs (tree);
901 /* Returns true iff T is a valid if-statement condition. */
902 extern bool is_gimple_condexpr (tree);
904 /* Returns true iff T is a type conversion. */
905 extern bool is_gimple_cast (tree);
906 /* Returns true iff T is a variable that does not need to live in memory. */
907 extern bool is_gimple_non_addressable (tree t);
909 /* Returns true iff T is a valid call address expression. */
910 extern bool is_gimple_call_addr (tree);
911 /* If T makes a function call, returns the CALL_EXPR operand. */
912 extern tree get_call_expr_in (tree t);
914 extern void recalculate_side_effects (tree);
917 extern tree create_tmp_var_raw (tree, const char *);
918 extern tree create_tmp_var_name (const char *);
919 extern tree create_tmp_var (tree, const char *);
920 extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *);
921 extern tree get_formal_tmp_var (tree, gimple_seq *);
922 extern void declare_vars (tree, gimple, bool);
923 extern void tree_annotate_all_with_location (tree *, location_t);
924 extern void annotate_all_with_location (gimple_seq, location_t);
926 /* Validation of GIMPLE expressions. Note that these predicates only check
927 the basic form of the expression, they don't recurse to make sure that
928 underlying nodes are also of the right form. */
929 typedef bool (*gimple_predicate)(tree);
932 /* FIXME we should deduce this from the predicate. */
933 typedef enum fallback_t {
934 fb_none = 0, /* Do not generate a temporary. */
936 fb_rvalue = 1, /* Generate an rvalue to hold the result of a
937 gimplified expression. */
939 fb_lvalue = 2, /* Generate an lvalue to hold the result of a
940 gimplified expression. */
942 fb_mayfail = 4, /* Gimplification may fail. Error issued
944 fb_either= fb_rvalue | fb_lvalue
947 enum gimplify_status {
948 GS_ERROR = -2, /* Something Bad Seen. */
949 GS_UNHANDLED = -1, /* A langhook result for "I dunno". */
950 GS_OK = 0, /* We did something, maybe more to do. */
951 GS_ALL_DONE = 1 /* The expression is fully gimplified. */
956 struct gimplify_ctx *prev_context;
958 VEC(gimple,heap) *bind_expr_stack;
960 gimple_seq conditional_cleanups;
964 VEC(tree,heap) *case_labels;
965 /* The formal temporary table. Should this be persistent? */
971 bool allow_rhs_cond_expr;
974 extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *,
975 bool (*) (tree), fallback_t);
976 extern void gimplify_type_sizes (tree, gimple_seq *);
977 extern void gimplify_one_sizepos (tree *, gimple_seq *);
978 extern bool gimplify_stmt (tree *, gimple_seq *);
979 extern gimple gimplify_body (tree *, tree, bool);
980 extern void push_gimplify_context (struct gimplify_ctx *);
981 extern void pop_gimplify_context (gimple);
982 extern void gimplify_and_add (tree, gimple_seq *);
984 /* Miscellaneous helpers. */
985 extern void gimple_add_tmp_var (tree);
986 extern gimple gimple_current_bind_expr (void);
987 extern VEC(gimple, heap) *gimple_bind_expr_stack (void);
988 extern tree voidify_wrapper_expr (tree, tree);
989 extern tree build_and_jump (tree *);
990 extern tree alloc_stmt_list (void);
991 extern void free_stmt_list (tree);
992 extern tree force_labels_r (tree *, int *, void *);
993 extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *,
995 struct gimplify_omp_ctx;
996 extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree);
997 extern tree gimple_boolify (tree);
998 extern gimple_predicate rhs_predicate_for (tree);
999 extern tree canonicalize_cond_expr_cond (tree);
1002 extern void diagnose_omp_structured_block_errors (tree);
1003 extern tree omp_reduction_init (tree, tree);
1005 /* In tree-nested.c. */
1006 extern void lower_nested_functions (tree);
1007 extern void insert_field_into_struct (tree, tree);
1009 /* In gimplify.c. */
1010 extern void gimplify_function_tree (tree);
1012 /* In cfgexpand.c. */
1013 extern tree gimple_assign_rhs_to_tree (gimple);
1016 extern bool validate_gimple_arglist (const_gimple, ...);
1018 /* In tree-ssa-operands.c */
1019 extern void gimple_add_to_addresses_taken (gimple, tree);
1022 extern bool tree_ssa_useless_type_conversion (tree);
1023 extern bool useless_type_conversion_p (tree, tree);
1024 extern bool types_compatible_p (tree, tree);
1026 /* Return the code for GIMPLE statement G. */
1028 static inline enum gimple_code
1029 gimple_code (const_gimple g)
1031 return g->gsbase.code;
1035 /* Return true if statement G has sub-statements. This is only true for
1036 High GIMPLE statements. */
1039 gimple_has_substatements (gimple g)
1041 switch (gimple_code (g))
1045 case GIMPLE_EH_FILTER:
1047 case GIMPLE_OMP_FOR:
1048 case GIMPLE_OMP_MASTER:
1049 case GIMPLE_OMP_ORDERED:
1050 case GIMPLE_OMP_SECTION:
1051 case GIMPLE_OMP_PARALLEL:
1052 case GIMPLE_OMP_TASK:
1053 case GIMPLE_OMP_SECTIONS:
1054 case GIMPLE_OMP_SINGLE:
1055 case GIMPLE_OMP_CRITICAL:
1056 case GIMPLE_WITH_CLEANUP_EXPR:
1065 /* Return the basic block holding statement G. */
1067 static inline struct basic_block_def *
1068 gimple_bb (const_gimple g)
1070 return g->gsbase.bb;
1074 /* Return the lexical scope block holding statement G. */
1077 gimple_block (const_gimple g)
1079 return g->gsbase.block;
1083 /* Set BLOCK to be the lexical scope block holding statement G. */
1086 gimple_set_block (gimple g, tree block)
1088 g->gsbase.block = block;
1092 /* Return location information for statement G. */
1094 static inline location_t
1095 gimple_location (const_gimple g)
1097 return g->gsbase.location;
1100 /* Return pointer to location information for statement G. */
1102 static inline const location_t *
1103 gimple_location_ptr (const_gimple g)
1105 return &g->gsbase.location;
1109 /* Set location information for statement G. */
1112 gimple_set_location (gimple g, location_t location)
1114 g->gsbase.location = location;
1118 /* Return true if G contains location information. */
1121 gimple_has_location (const_gimple g)
1123 return gimple_location (g) != UNKNOWN_LOCATION;
1127 /* Return the file name of the location of STMT. */
1129 static inline const char *
1130 gimple_filename (const_gimple stmt)
1132 return LOCATION_FILE (gimple_location (stmt));
1136 /* Return the line number of the location of STMT. */
1139 gimple_lineno (const_gimple stmt)
1141 return LOCATION_LINE (gimple_location (stmt));
1145 /* Determine whether SEQ is a singleton. */
1148 gimple_seq_singleton_p (gimple_seq seq)
1150 return ((gimple_seq_first (seq) != NULL)
1151 && (gimple_seq_first (seq) == gimple_seq_last (seq)));
1154 /* Return true if no warnings should be emitted for statement STMT. */
1157 gimple_no_warning_p (const_gimple stmt)
1159 return stmt->gsbase.no_warning;
1162 /* Set the no_warning flag of STMT to NO_WARNING. */
1165 gimple_set_no_warning (gimple stmt, bool no_warning)
1167 stmt->gsbase.no_warning = (unsigned) no_warning;
1170 /* Set the visited status on statement STMT to VISITED_P. */
1173 gimple_set_visited (gimple stmt, bool visited_p)
1175 stmt->gsbase.visited = (unsigned) visited_p;
1179 /* Return the visited status for statement STMT. */
1182 gimple_visited_p (gimple stmt)
1184 return stmt->gsbase.visited;
1188 /* Set pass local flag PLF on statement STMT to VAL_P. */
1191 gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p)
1194 stmt->gsbase.plf |= (unsigned int) plf;
1196 stmt->gsbase.plf &= ~((unsigned int) plf);
1200 /* Return the value of pass local flag PLF on statement STMT. */
1202 static inline unsigned int
1203 gimple_plf (gimple stmt, enum plf_mask plf)
1205 return stmt->gsbase.plf & ((unsigned int) plf);
1209 /* Set the UID of statement. */
1212 gimple_set_uid (gimple g, unsigned uid)
1214 g->gsbase.uid = uid;
1218 /* Return the UID of statement. */
1220 static inline unsigned
1221 gimple_uid (const_gimple g)
1223 return g->gsbase.uid;
1227 /* Return true if GIMPLE statement G has register or memory operands. */
1230 gimple_has_ops (const_gimple g)
1232 return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN;
1236 /* Return true if GIMPLE statement G has memory operands. */
1239 gimple_has_mem_ops (const_gimple g)
1241 return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN;
1244 /* Return the set of addresses taken by statement G. */
1246 static inline bitmap
1247 gimple_addresses_taken (const_gimple g)
1249 if (gimple_has_ops (g))
1250 return g->gsops.opbase.addresses_taken;
1256 /* Return a pointer to the set of addresses taken by statement G. */
1258 static inline bitmap *
1259 gimple_addresses_taken_ptr (gimple g)
1261 if (gimple_has_ops (g))
1262 return &g->gsops.opbase.addresses_taken;
1268 /* Set B to be the set of addresses taken by statement G. The
1269 previous set is freed. */
1272 gimple_set_addresses_taken (gimple g, bitmap b)
1274 gcc_assert (gimple_has_ops (g));
1275 BITMAP_FREE (g->gsops.opbase.addresses_taken);
1276 g->gsops.opbase.addresses_taken = b;
1280 /* Return the set of DEF operands for statement G. */
1282 static inline struct def_optype_d *
1283 gimple_def_ops (const_gimple g)
1285 if (!gimple_has_ops (g))
1287 return g->gsops.opbase.def_ops;
1291 /* Set DEF to be the set of DEF operands for statement G. */
1294 gimple_set_def_ops (gimple g, struct def_optype_d *def)
1296 gcc_assert (gimple_has_ops (g));
1297 g->gsops.opbase.def_ops = def;
1301 /* Return the set of USE operands for statement G. */
1303 static inline struct use_optype_d *
1304 gimple_use_ops (const_gimple g)
1306 if (!gimple_has_ops (g))
1308 return g->gsops.opbase.use_ops;
1312 /* Set USE to be the set of USE operands for statement G. */
1315 gimple_set_use_ops (gimple g, struct use_optype_d *use)
1317 gcc_assert (gimple_has_ops (g));
1318 g->gsops.opbase.use_ops = use;
1322 /* Return the set of VUSE operands for statement G. */
1324 static inline struct voptype_d *
1325 gimple_vuse_ops (const_gimple g)
1327 if (!gimple_has_mem_ops (g))
1329 return g->gsmem.membase.vuse_ops;
1333 /* Set OPS to be the set of VUSE operands for statement G. */
1336 gimple_set_vuse_ops (gimple g, struct voptype_d *ops)
1338 gcc_assert (gimple_has_mem_ops (g));
1339 g->gsmem.membase.vuse_ops = ops;
1343 /* Return the set of VDEF operands for statement G. */
1345 static inline struct voptype_d *
1346 gimple_vdef_ops (const_gimple g)
1348 if (!gimple_has_mem_ops (g))
1350 return g->gsmem.membase.vdef_ops;
1354 /* Set OPS to be the set of VDEF operands for statement G. */
1357 gimple_set_vdef_ops (gimple g, struct voptype_d *ops)
1359 gcc_assert (gimple_has_mem_ops (g));
1360 g->gsmem.membase.vdef_ops = ops;
1364 /* Return the set of symbols loaded by statement G. Each element of the
1365 set is the DECL_UID of the corresponding symbol. */
1367 static inline bitmap
1368 gimple_loaded_syms (const_gimple g)
1370 if (!gimple_has_mem_ops (g))
1372 return g->gsmem.membase.loads;
1376 /* Return the set of symbols stored by statement G. Each element of
1377 the set is the DECL_UID of the corresponding symbol. */
1379 static inline bitmap
1380 gimple_stored_syms (const_gimple g)
1382 if (!gimple_has_mem_ops (g))
1384 return g->gsmem.membase.stores;
1388 /* Return true if statement G has operands and the modified field has
1392 gimple_modified_p (const_gimple g)
1394 return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false;
1398 /* Return the tree code for the expression computed by STMT. This is
1399 only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For
1400 GIMPLE_CALL, return CALL_EXPR as the expression code for
1401 consistency. This is useful when the caller needs to deal with the
1402 three kinds of computation that GIMPLE supports. */
1404 static inline enum tree_code
1405 gimple_expr_code (const_gimple stmt)
1407 enum gimple_code code = gimple_code (stmt);
1408 if (code == GIMPLE_ASSIGN || code == GIMPLE_COND)
1409 return (enum tree_code) stmt->gsbase.subcode;
1410 else if (code == GIMPLE_CALL)
1417 /* Mark statement S as modified, and update it. */
1420 update_stmt (gimple s)
1422 if (gimple_has_ops (s))
1424 gimple_set_modified (s, true);
1425 update_stmt_operands (s);
1429 /* Update statement S if it has been optimized. */
1432 update_stmt_if_modified (gimple s)
1434 if (gimple_modified_p (s))
1435 update_stmt_operands (s);
1438 /* Return true if statement STMT contains volatile operands. */
1441 gimple_has_volatile_ops (const_gimple stmt)
1443 if (gimple_has_mem_ops (stmt))
1444 return stmt->gsbase.has_volatile_ops;
1450 /* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */
1453 gimple_set_has_volatile_ops (gimple stmt, bool volatilep)
1455 if (gimple_has_mem_ops (stmt))
1456 stmt->gsbase.has_volatile_ops = (unsigned) volatilep;
1460 /* Return true if statement STMT may access memory. */
1463 gimple_references_memory_p (gimple stmt)
1465 return gimple_has_mem_ops (stmt) && stmt->gsbase.references_memory_p;
1469 /* Set the REFERENCES_MEMORY_P flag for STMT to MEM_P. */
1472 gimple_set_references_memory (gimple stmt, bool mem_p)
1474 if (gimple_has_mem_ops (stmt))
1475 stmt->gsbase.references_memory_p = (unsigned) mem_p;
1478 /* Return the subcode for OMP statement S. */
1480 static inline unsigned
1481 gimple_omp_subcode (const_gimple s)
1483 gcc_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD
1484 && gimple_code (s) <= GIMPLE_OMP_SINGLE);
1485 return s->gsbase.subcode;
1488 /* Set the subcode for OMP statement S to SUBCODE. */
1491 gimple_omp_set_subcode (gimple s, unsigned int subcode)
1493 /* We only have 16 bits for the subcode. Assert that we are not
1495 gcc_assert (subcode < (1 << 16));
1496 s->gsbase.subcode = subcode;
1499 /* Set the nowait flag on OMP_RETURN statement S. */
1502 gimple_omp_return_set_nowait (gimple s)
1504 GIMPLE_CHECK (s, GIMPLE_OMP_RETURN);
1505 s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT;
1509 /* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT
1513 gimple_omp_return_nowait_p (const_gimple g)
1515 GIMPLE_CHECK (g, GIMPLE_OMP_RETURN);
1516 return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0;
1520 /* Return true if OMP section statement G has the GF_OMP_SECTION_LAST
1524 gimple_omp_section_last_p (const_gimple g)
1526 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1527 return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0;
1531 /* Set the GF_OMP_SECTION_LAST flag on G. */
1534 gimple_omp_section_set_last (gimple g)
1536 GIMPLE_CHECK (g, GIMPLE_OMP_SECTION);
1537 g->gsbase.subcode |= GF_OMP_SECTION_LAST;
1541 /* Return true if OMP parallel statement G has the
1542 GF_OMP_PARALLEL_COMBINED flag set. */
1545 gimple_omp_parallel_combined_p (const_gimple g)
1547 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1548 return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0;
1552 /* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean
1553 value of COMBINED_P. */
1556 gimple_omp_parallel_set_combined_p (gimple g, bool combined_p)
1558 GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL);
1560 g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED;
1562 g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED;
1566 /* Return the number of operands for statement GS. */
1568 static inline unsigned
1569 gimple_num_ops (const_gimple gs)
1571 return gs->gsbase.num_ops;
1575 /* Set the number of operands for statement GS. */
1578 gimple_set_num_ops (gimple gs, unsigned num_ops)
1580 gs->gsbase.num_ops = num_ops;
1584 /* Return the array of operands for statement GS. */
1586 static inline tree *
1587 gimple_ops (gimple gs)
1589 /* Offset in bytes to the location of the operand vector in every
1590 tuple structure. Defined in gimple.c */
1591 extern size_t const gimple_ops_offset_[];
1593 if (!gimple_has_ops (gs))
1596 /* All the tuples have their operand vector at the very bottom
1597 of the structure. */
1598 return ((tree *) ((char *) gs + gimple_ops_offset_[gimple_code (gs)]));
1602 /* Return operand I for statement GS. */
1605 gimple_op (const_gimple gs, unsigned i)
1607 if (gimple_has_ops (gs))
1609 gcc_assert (i < gimple_num_ops (gs));
1610 return gimple_ops (CONST_CAST_GIMPLE (gs))[i];
1616 /* Return a pointer to operand I for statement GS. */
1618 static inline tree *
1619 gimple_op_ptr (const_gimple gs, unsigned i)
1621 if (gimple_has_ops (gs))
1623 gcc_assert (i < gimple_num_ops (gs));
1624 return gimple_ops (CONST_CAST_GIMPLE (gs)) + i;
1630 /* Set operand I of statement GS to OP. */
1633 gimple_set_op (gimple gs, unsigned i, tree op)
1635 gcc_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs));
1637 /* Note. It may be tempting to assert that OP matches
1638 is_gimple_operand, but that would be wrong. Different tuples
1639 accept slightly different sets of tree operands. Each caller
1640 should perform its own validation. */
1641 gimple_ops (gs)[i] = op;
1644 /* Return true if GS is a GIMPLE_ASSIGN. */
1647 is_gimple_assign (const_gimple gs)
1649 return gimple_code (gs) == GIMPLE_ASSIGN;
1652 /* Determine if expression CODE is one of the valid expressions that can
1653 be used on the RHS of GIMPLE assignments. */
1655 static inline enum gimple_rhs_class
1656 get_gimple_rhs_class (enum tree_code code)
1658 return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code];
1661 /* Return the LHS of assignment statement GS. */
1664 gimple_assign_lhs (const_gimple gs)
1666 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1667 return gimple_op (gs, 0);
1671 /* Return a pointer to the LHS of assignment statement GS. */
1673 static inline tree *
1674 gimple_assign_lhs_ptr (const_gimple gs)
1676 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1677 return gimple_op_ptr (gs, 0);
1681 /* Set LHS to be the LHS operand of assignment statement GS. */
1684 gimple_assign_set_lhs (gimple gs, tree lhs)
1686 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1687 gcc_assert (is_gimple_operand (lhs));
1688 gimple_set_op (gs, 0, lhs);
1690 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1691 SSA_NAME_DEF_STMT (lhs) = gs;
1695 /* Return the first operand on the RHS of assignment statement GS. */
1698 gimple_assign_rhs1 (const_gimple gs)
1700 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1701 return gimple_op (gs, 1);
1705 /* Return a pointer to the first operand on the RHS of assignment
1708 static inline tree *
1709 gimple_assign_rhs1_ptr (const_gimple gs)
1711 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1712 return gimple_op_ptr (gs, 1);
1715 /* Set RHS to be the first operand on the RHS of assignment statement GS. */
1718 gimple_assign_set_rhs1 (gimple gs, tree rhs)
1720 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1722 /* If there are 3 or more operands, the 2 operands on the RHS must be
1724 if (gimple_num_ops (gs) >= 3)
1725 gcc_assert (is_gimple_val (rhs));
1727 gcc_assert (is_gimple_operand (rhs));
1729 gimple_set_op (gs, 1, rhs);
1733 /* Return the second operand on the RHS of assignment statement GS.
1734 If GS does not have two operands, NULL is returned instead. */
1737 gimple_assign_rhs2 (const_gimple gs)
1739 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1741 if (gimple_num_ops (gs) >= 3)
1742 return gimple_op (gs, 2);
1748 /* Return a pointer to the second operand on the RHS of assignment
1751 static inline tree *
1752 gimple_assign_rhs2_ptr (const_gimple gs)
1754 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1755 return gimple_op_ptr (gs, 2);
1759 /* Set RHS to be the second operand on the RHS of assignment statement GS. */
1762 gimple_assign_set_rhs2 (gimple gs, tree rhs)
1764 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1766 /* The 2 operands on the RHS must be GIMPLE values. */
1767 gcc_assert (is_gimple_val (rhs));
1769 gimple_set_op (gs, 2, rhs);
1772 /* Returns true if GS is a nontemporal move. */
1775 gimple_assign_nontemporal_move_p (const_gimple gs)
1777 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1778 return gs->gsbase.nontemporal_move;
1781 /* Sets nontemporal move flag of GS to NONTEMPORAL. */
1784 gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal)
1786 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1787 gs->gsbase.nontemporal_move = nontemporal;
1791 /* Return the code of the expression computed on the rhs of assignment
1792 statement GS. In case that the RHS is a single object, returns the
1793 tree code of the object. */
1795 static inline enum tree_code
1796 gimple_assign_rhs_code (const_gimple gs)
1798 enum tree_code code;
1799 GIMPLE_CHECK (gs, GIMPLE_ASSIGN);
1801 code = gimple_expr_code (gs);
1802 if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS)
1803 code = TREE_CODE (gimple_assign_rhs1 (gs));
1809 /* Set CODE to be the code for the expression computed on the RHS of
1813 gimple_assign_set_rhs_code (gimple s, enum tree_code code)
1815 GIMPLE_CHECK (s, GIMPLE_ASSIGN);
1816 s->gsbase.subcode = code;
1820 /* Return the gimple rhs class of the code of the expression computed on
1821 the rhs of assignment statement GS.
1822 This will never return GIMPLE_INVALID_RHS. */
1824 static inline enum gimple_rhs_class
1825 gimple_assign_rhs_class (const_gimple gs)
1827 return get_gimple_rhs_class (gimple_assign_rhs_code (gs));
1831 /* Return true if S is a type-cast assignment. */
1834 gimple_assign_cast_p (gimple s)
1836 if (is_gimple_assign (s))
1838 enum tree_code sc = gimple_assign_rhs_code (s);
1839 return CONVERT_EXPR_CODE_P (sc)
1840 || sc == VIEW_CONVERT_EXPR
1841 || sc == FIX_TRUNC_EXPR;
1848 /* Return true if GS is a GIMPLE_CALL. */
1851 is_gimple_call (const_gimple gs)
1853 return gimple_code (gs) == GIMPLE_CALL;
1856 /* Return the LHS of call statement GS. */
1859 gimple_call_lhs (const_gimple gs)
1861 GIMPLE_CHECK (gs, GIMPLE_CALL);
1862 return gimple_op (gs, 0);
1866 /* Return a pointer to the LHS of call statement GS. */
1868 static inline tree *
1869 gimple_call_lhs_ptr (const_gimple gs)
1871 GIMPLE_CHECK (gs, GIMPLE_CALL);
1872 return gimple_op_ptr (gs, 0);
1876 /* Set LHS to be the LHS operand of call statement GS. */
1879 gimple_call_set_lhs (gimple gs, tree lhs)
1881 GIMPLE_CHECK (gs, GIMPLE_CALL);
1882 gcc_assert (!lhs || is_gimple_operand (lhs));
1883 gimple_set_op (gs, 0, lhs);
1884 if (lhs && TREE_CODE (lhs) == SSA_NAME)
1885 SSA_NAME_DEF_STMT (lhs) = gs;
1889 /* Return the tree node representing the function called by call
1893 gimple_call_fn (const_gimple gs)
1895 GIMPLE_CHECK (gs, GIMPLE_CALL);
1896 return gimple_op (gs, 1);
1900 /* Return a pointer to the tree node representing the function called by call
1903 static inline tree *
1904 gimple_call_fn_ptr (const_gimple gs)
1906 GIMPLE_CHECK (gs, GIMPLE_CALL);
1907 return gimple_op_ptr (gs, 1);
1911 /* Set FN to be the function called by call statement GS. */
1914 gimple_call_set_fn (gimple gs, tree fn)
1916 GIMPLE_CHECK (gs, GIMPLE_CALL);
1917 gcc_assert (is_gimple_operand (fn));
1918 gimple_set_op (gs, 1, fn);
1922 /* Set FNDECL to be the function called by call statement GS. */
1925 gimple_call_set_fndecl (gimple gs, tree decl)
1927 GIMPLE_CHECK (gs, GIMPLE_CALL);
1928 gcc_assert (TREE_CODE (decl) == FUNCTION_DECL);
1929 gimple_set_op (gs, 1, build_fold_addr_expr (decl));
1933 /* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it.
1934 Otherwise return NULL. This function is analogous to
1935 get_callee_fndecl in tree land. */
1938 gimple_call_fndecl (const_gimple gs)
1940 tree addr = gimple_call_fn (gs);
1941 if (TREE_CODE (addr) == ADDR_EXPR)
1943 gcc_assert (TREE_CODE (TREE_OPERAND (addr, 0)) == FUNCTION_DECL);
1944 return TREE_OPERAND (addr, 0);
1950 /* Return the type returned by call statement GS. */
1953 gimple_call_return_type (const_gimple gs)
1955 tree fn = gimple_call_fn (gs);
1956 tree type = TREE_TYPE (fn);
1958 /* See through the pointer. */
1959 gcc_assert (POINTER_TYPE_P (type));
1960 type = TREE_TYPE (type);
1962 gcc_assert (TREE_CODE (type) == FUNCTION_TYPE
1963 || TREE_CODE (type) == METHOD_TYPE);
1965 /* The type returned by a FUNCTION_DECL is the type of its
1967 return TREE_TYPE (type);
1971 /* Return the static chain for call statement GS. */
1974 gimple_call_chain (const_gimple gs)
1976 GIMPLE_CHECK (gs, GIMPLE_CALL);
1977 return gimple_op (gs, 2);
1981 /* Return a pointer to the static chain for call statement GS. */
1983 static inline tree *
1984 gimple_call_chain_ptr (const_gimple gs)
1986 GIMPLE_CHECK (gs, GIMPLE_CALL);
1987 return gimple_op_ptr (gs, 2);
1990 /* Set CHAIN to be the static chain for call statement GS. */
1993 gimple_call_set_chain (gimple gs, tree chain)
1995 GIMPLE_CHECK (gs, GIMPLE_CALL);
1996 gcc_assert (chain == NULL
1997 || TREE_CODE (chain) == ADDR_EXPR
1998 || SSA_VAR_P (chain));
1999 gimple_set_op (gs, 2, chain);
2003 /* Return the number of arguments used by call statement GS. */
2005 static inline unsigned
2006 gimple_call_num_args (const_gimple gs)
2009 GIMPLE_CHECK (gs, GIMPLE_CALL);
2010 num_ops = gimple_num_ops (gs);
2011 gcc_assert (num_ops >= 3);
2016 /* Return the argument at position INDEX for call statement GS. */
2019 gimple_call_arg (const_gimple gs, unsigned index)
2021 GIMPLE_CHECK (gs, GIMPLE_CALL);
2022 return gimple_op (gs, index + 3);
2026 /* Return a pointer to the argument at position INDEX for call
2029 static inline tree *
2030 gimple_call_arg_ptr (const_gimple gs, unsigned index)
2032 GIMPLE_CHECK (gs, GIMPLE_CALL);
2033 return gimple_op_ptr (gs, index + 3);
2037 /* Set ARG to be the argument at position INDEX for call statement GS. */
2040 gimple_call_set_arg (gimple gs, unsigned index, tree arg)
2042 GIMPLE_CHECK (gs, GIMPLE_CALL);
2043 gcc_assert (is_gimple_operand (arg));
2044 gimple_set_op (gs, index + 3, arg);
2048 /* If TAIL_P is true, mark call statement S as being a tail call
2049 (i.e., a call just before the exit of a function). These calls are
2050 candidate for tail call optimization. */
2053 gimple_call_set_tail (gimple s, bool tail_p)
2055 GIMPLE_CHECK (s, GIMPLE_CALL);
2057 s->gsbase.subcode |= GF_CALL_TAILCALL;
2059 s->gsbase.subcode &= ~GF_CALL_TAILCALL;
2063 /* Return true if GIMPLE_CALL S is marked as a tail call. */
2066 gimple_call_tail_p (gimple s)
2068 GIMPLE_CHECK (s, GIMPLE_CALL);
2069 return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0;
2073 /* Set the inlinable status of GIMPLE_CALL S to INLINABLE_P. */
2076 gimple_call_set_cannot_inline (gimple s, bool inlinable_p)
2078 GIMPLE_CHECK (s, GIMPLE_CALL);
2080 s->gsbase.subcode |= GF_CALL_CANNOT_INLINE;
2082 s->gsbase.subcode &= ~GF_CALL_CANNOT_INLINE;
2086 /* Return true if GIMPLE_CALL S cannot be inlined. */
2089 gimple_call_cannot_inline_p (gimple s)
2091 GIMPLE_CHECK (s, GIMPLE_CALL);
2092 return (s->gsbase.subcode & GF_CALL_CANNOT_INLINE) != 0;
2096 /* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return
2097 slot optimization. This transformation uses the target of the call
2098 expansion as the return slot for calls that return in memory. */
2101 gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p)
2103 GIMPLE_CHECK (s, GIMPLE_CALL);
2104 if (return_slot_opt_p)
2105 s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT;
2107 s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT;
2111 /* Return true if S is marked for return slot optimization. */
2114 gimple_call_return_slot_opt_p (gimple s)
2116 GIMPLE_CHECK (s, GIMPLE_CALL);
2117 return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0;
2121 /* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a
2122 thunk to the thunked-to function. */
2125 gimple_call_set_from_thunk (gimple s, bool from_thunk_p)
2127 GIMPLE_CHECK (s, GIMPLE_CALL);
2129 s->gsbase.subcode |= GF_CALL_FROM_THUNK;
2131 s->gsbase.subcode &= ~GF_CALL_FROM_THUNK;
2135 /* Return true if GIMPLE_CALL S is a jump from a thunk. */
2138 gimple_call_from_thunk_p (gimple s)
2140 GIMPLE_CHECK (s, GIMPLE_CALL);
2141 return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0;
2145 /* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the
2146 argument pack in its argument list. */
2149 gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p)
2151 GIMPLE_CHECK (s, GIMPLE_CALL);
2152 if (pass_arg_pack_p)
2153 s->gsbase.subcode |= GF_CALL_VA_ARG_PACK;
2155 s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK;
2159 /* Return true if GIMPLE_CALL S is a stdarg call that needs the
2160 argument pack in its argument list. */
2163 gimple_call_va_arg_pack_p (gimple s)
2165 GIMPLE_CHECK (s, GIMPLE_CALL);
2166 return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0;
2170 /* Return true if S is a noreturn call. */
2173 gimple_call_noreturn_p (gimple s)
2175 GIMPLE_CHECK (s, GIMPLE_CALL);
2176 return (gimple_call_flags (s) & ECF_NORETURN) != 0;
2180 /* Return true if S is a nothrow call. */
2183 gimple_call_nothrow_p (gimple s)
2185 GIMPLE_CHECK (s, GIMPLE_CALL);
2186 return (gimple_call_flags (s) & ECF_NOTHROW) != 0;
2190 /* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */
2193 gimple_call_copy_flags (gimple dest_call, gimple orig_call)
2195 GIMPLE_CHECK (dest_call, GIMPLE_CALL);
2196 GIMPLE_CHECK (orig_call, GIMPLE_CALL);
2197 dest_call->gsbase.subcode = orig_call->gsbase.subcode;
2201 /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a
2205 gimple_has_lhs (gimple stmt)
2207 return (is_gimple_assign (stmt)
2208 || (is_gimple_call (stmt)
2209 && gimple_call_lhs (stmt) != NULL_TREE));
2213 /* Return the code of the predicate computed by conditional statement GS. */
2215 static inline enum tree_code
2216 gimple_cond_code (const_gimple gs)
2218 GIMPLE_CHECK (gs, GIMPLE_COND);
2219 return gs->gsbase.subcode;
2223 /* Set CODE to be the predicate code for the conditional statement GS. */
2226 gimple_cond_set_code (gimple gs, enum tree_code code)
2228 GIMPLE_CHECK (gs, GIMPLE_COND);
2229 gcc_assert (TREE_CODE_CLASS (code) == tcc_comparison);
2230 gs->gsbase.subcode = code;
2234 /* Return the LHS of the predicate computed by conditional statement GS. */
2237 gimple_cond_lhs (const_gimple gs)
2239 GIMPLE_CHECK (gs, GIMPLE_COND);
2240 return gimple_op (gs, 0);
2243 /* Return the pointer to the LHS of the predicate computed by conditional
2246 static inline tree *
2247 gimple_cond_lhs_ptr (const_gimple gs)
2249 GIMPLE_CHECK (gs, GIMPLE_COND);
2250 return gimple_op_ptr (gs, 0);
2253 /* Set LHS to be the LHS operand of the predicate computed by
2254 conditional statement GS. */
2257 gimple_cond_set_lhs (gimple gs, tree lhs)
2259 GIMPLE_CHECK (gs, GIMPLE_COND);
2260 gcc_assert (is_gimple_operand (lhs));
2261 gimple_set_op (gs, 0, lhs);
2265 /* Return the RHS operand of the predicate computed by conditional GS. */
2268 gimple_cond_rhs (const_gimple gs)
2270 GIMPLE_CHECK (gs, GIMPLE_COND);
2271 return gimple_op (gs, 1);
2274 /* Return the pointer to the RHS operand of the predicate computed by
2277 static inline tree *
2278 gimple_cond_rhs_ptr (const_gimple gs)
2280 GIMPLE_CHECK (gs, GIMPLE_COND);
2281 return gimple_op_ptr (gs, 1);
2285 /* Set RHS to be the RHS operand of the predicate computed by
2286 conditional statement GS. */
2289 gimple_cond_set_rhs (gimple gs, tree rhs)
2291 GIMPLE_CHECK (gs, GIMPLE_COND);
2292 gcc_assert (is_gimple_operand (rhs));
2293 gimple_set_op (gs, 1, rhs);
2297 /* Return the label used by conditional statement GS when its
2298 predicate evaluates to true. */
2301 gimple_cond_true_label (const_gimple gs)
2303 GIMPLE_CHECK (gs, GIMPLE_COND);
2304 return gimple_op (gs, 2);
2308 /* Set LABEL to be the label used by conditional statement GS when its
2309 predicate evaluates to true. */
2312 gimple_cond_set_true_label (gimple gs, tree label)
2314 GIMPLE_CHECK (gs, GIMPLE_COND);
2315 gcc_assert (!label || TREE_CODE (label) == LABEL_DECL);
2316 gimple_set_op (gs, 2, label);
2320 /* Set LABEL to be the label used by conditional statement GS when its
2321 predicate evaluates to false. */
2324 gimple_cond_set_false_label (gimple gs, tree label)
2326 GIMPLE_CHECK (gs, GIMPLE_COND);
2327 gcc_assert (!label || TREE_CODE (label) == LABEL_DECL);
2328 gimple_set_op (gs, 3, label);
2332 /* Return the label used by conditional statement GS when its
2333 predicate evaluates to false. */
2336 gimple_cond_false_label (const_gimple gs)
2338 GIMPLE_CHECK (gs, GIMPLE_COND);
2339 return gimple_op (gs, 3);
2343 /* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */
2346 gimple_cond_make_false (gimple gs)
2348 gimple_cond_set_lhs (gs, boolean_true_node);
2349 gimple_cond_set_rhs (gs, boolean_false_node);
2350 gs->gsbase.subcode = EQ_EXPR;
2354 /* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */
2357 gimple_cond_make_true (gimple gs)
2359 gimple_cond_set_lhs (gs, boolean_true_node);
2360 gimple_cond_set_rhs (gs, boolean_true_node);
2361 gs->gsbase.subcode = EQ_EXPR;
2364 /* Check if conditional statemente GS is of the form 'if (1 == 1)',
2365 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */
2368 gimple_cond_true_p (const_gimple gs)
2370 tree lhs = gimple_cond_lhs (gs);
2371 tree rhs = gimple_cond_rhs (gs);
2372 enum tree_code code = gimple_cond_code (gs);
2374 if (lhs != boolean_true_node && lhs != boolean_false_node)
2377 if (rhs != boolean_true_node && rhs != boolean_false_node)
2380 if (code == NE_EXPR && lhs != rhs)
2383 if (code == EQ_EXPR && lhs == rhs)
2389 /* Check if conditional statement GS is of the form 'if (1 != 1)',
2390 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */
2393 gimple_cond_false_p (const_gimple gs)
2395 tree lhs = gimple_cond_lhs (gs);
2396 tree rhs = gimple_cond_rhs (gs);
2397 enum tree_code code = gimple_cond_code (gs);
2399 if (lhs != boolean_true_node && lhs != boolean_false_node)
2402 if (rhs != boolean_true_node && rhs != boolean_false_node)
2405 if (code == NE_EXPR && lhs == rhs)
2408 if (code == EQ_EXPR && lhs != rhs)
2414 /* Check if conditional statement GS is of the form 'if (var != 0)' or
2418 gimple_cond_single_var_p (gimple gs)
2420 if (gimple_cond_code (gs) == NE_EXPR
2421 && gimple_cond_rhs (gs) == boolean_false_node)
2424 if (gimple_cond_code (gs) == EQ_EXPR
2425 && gimple_cond_rhs (gs) == boolean_true_node)
2431 /* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */
2434 gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs)
2436 gimple_cond_set_code (stmt, code);
2437 gimple_cond_set_lhs (stmt, lhs);
2438 gimple_cond_set_rhs (stmt, rhs);
2441 /* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */
2444 gimple_label_label (const_gimple gs)
2446 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2447 return gimple_op (gs, 0);
2451 /* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement
2455 gimple_label_set_label (gimple gs, tree label)
2457 GIMPLE_CHECK (gs, GIMPLE_LABEL);
2458 gcc_assert (TREE_CODE (label) == LABEL_DECL);
2459 gimple_set_op (gs, 0, label);
2463 /* Return the destination of the unconditional jump GS. */
2466 gimple_goto_dest (const_gimple gs)
2468 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2469 return gimple_op (gs, 0);
2473 /* Set DEST to be the destination of the unconditonal jump GS. */
2476 gimple_goto_set_dest (gimple gs, tree dest)
2478 GIMPLE_CHECK (gs, GIMPLE_GOTO);
2479 gcc_assert (is_gimple_operand (dest));
2480 gimple_set_op (gs, 0, dest);
2484 /* Return the variables declared in the GIMPLE_BIND statement GS. */
2487 gimple_bind_vars (const_gimple gs)
2489 GIMPLE_CHECK (gs, GIMPLE_BIND);
2490 return gs->gimple_bind.vars;
2494 /* Set VARS to be the set of variables declared in the GIMPLE_BIND
2498 gimple_bind_set_vars (gimple gs, tree vars)
2500 GIMPLE_CHECK (gs, GIMPLE_BIND);
2501 gs->gimple_bind.vars = vars;
2505 /* Append VARS to the set of variables declared in the GIMPLE_BIND
2509 gimple_bind_append_vars (gimple gs, tree vars)
2511 GIMPLE_CHECK (gs, GIMPLE_BIND);
2512 gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars);
2516 /* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */
2518 static inline gimple_seq
2519 gimple_bind_body (gimple gs)
2521 GIMPLE_CHECK (gs, GIMPLE_BIND);
2522 return gs->gimple_bind.body;
2526 /* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND
2530 gimple_bind_set_body (gimple gs, gimple_seq seq)
2532 GIMPLE_CHECK (gs, GIMPLE_BIND);
2533 gs->gimple_bind.body = seq;
2537 /* Append a statement to the end of a GIMPLE_BIND's body. */
2540 gimple_bind_add_stmt (gimple gs, gimple stmt)
2542 GIMPLE_CHECK (gs, GIMPLE_BIND);
2543 gimple_seq_add_stmt (&gs->gimple_bind.body, stmt);
2547 /* Append a sequence of statements to the end of a GIMPLE_BIND's body. */
2550 gimple_bind_add_seq (gimple gs, gimple_seq seq)
2552 GIMPLE_CHECK (gs, GIMPLE_BIND);
2553 gimple_seq_add_seq (&gs->gimple_bind.body, seq);
2557 /* Return the TREE_BLOCK node associated with GIMPLE_BIND statement
2558 GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */
2561 gimple_bind_block (const_gimple gs)
2563 GIMPLE_CHECK (gs, GIMPLE_BIND);
2564 return gs->gimple_bind.block;
2568 /* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND
2572 gimple_bind_set_block (gimple gs, tree block)
2574 GIMPLE_CHECK (gs, GIMPLE_BIND);
2575 gcc_assert (block == NULL_TREE || TREE_CODE (block) == BLOCK);
2576 gs->gimple_bind.block = block;
2580 /* Return the number of input operands for GIMPLE_ASM GS. */
2582 static inline unsigned
2583 gimple_asm_ninputs (const_gimple gs)
2585 GIMPLE_CHECK (gs, GIMPLE_ASM);
2586 return gs->gimple_asm.ni;
2590 /* Return the number of output operands for GIMPLE_ASM GS. */
2592 static inline unsigned
2593 gimple_asm_noutputs (const_gimple gs)
2595 GIMPLE_CHECK (gs, GIMPLE_ASM);
2596 return gs->gimple_asm.no;
2600 /* Return the number of clobber operands for GIMPLE_ASM GS. */
2602 static inline unsigned
2603 gimple_asm_nclobbers (const_gimple gs)
2605 GIMPLE_CHECK (gs, GIMPLE_ASM);
2606 return gs->gimple_asm.nc;
2610 /* Return input operand INDEX of GIMPLE_ASM GS. */
2613 gimple_asm_input_op (const_gimple gs, unsigned index)
2615 GIMPLE_CHECK (gs, GIMPLE_ASM);
2616 gcc_assert (index <= gs->gimple_asm.ni);
2617 return gimple_op (gs, index);
2620 /* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */
2622 static inline tree *
2623 gimple_asm_input_op_ptr (const_gimple gs, unsigned index)
2625 GIMPLE_CHECK (gs, GIMPLE_ASM);
2626 gcc_assert (index <= gs->gimple_asm.ni);
2627 return gimple_op_ptr (gs, index);
2631 /* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */
2634 gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op)
2636 GIMPLE_CHECK (gs, GIMPLE_ASM);
2637 gcc_assert (index <= gs->gimple_asm.ni);
2638 gcc_assert (TREE_CODE (in_op) == TREE_LIST);
2639 gimple_set_op (gs, index, in_op);
2643 /* Return output operand INDEX of GIMPLE_ASM GS. */
2646 gimple_asm_output_op (const_gimple gs, unsigned index)
2648 GIMPLE_CHECK (gs, GIMPLE_ASM);
2649 gcc_assert (index <= gs->gimple_asm.no);
2650 return gimple_op (gs, index + gs->gimple_asm.ni);
2653 /* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */
2655 static inline tree *
2656 gimple_asm_output_op_ptr (const_gimple gs, unsigned index)
2658 GIMPLE_CHECK (gs, GIMPLE_ASM);
2659 gcc_assert (index <= gs->gimple_asm.no);
2660 return gimple_op_ptr (gs, index + gs->gimple_asm.ni);
2664 /* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */
2667 gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op)
2669 GIMPLE_CHECK (gs, GIMPLE_ASM);
2670 gcc_assert (index <= gs->gimple_asm.no);
2671 gcc_assert (TREE_CODE (out_op) == TREE_LIST);
2672 gimple_set_op (gs, index + gs->gimple_asm.ni, out_op);
2676 /* Return clobber operand INDEX of GIMPLE_ASM GS. */
2679 gimple_asm_clobber_op (const_gimple gs, unsigned index)
2681 GIMPLE_CHECK (gs, GIMPLE_ASM);
2682 gcc_assert (index <= gs->gimple_asm.nc);
2683 return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no);
2687 /* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */
2690 gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op)
2692 GIMPLE_CHECK (gs, GIMPLE_ASM);
2693 gcc_assert (index <= gs->gimple_asm.nc);
2694 gcc_assert (TREE_CODE (clobber_op) == TREE_LIST);
2695 gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op);
2699 /* Return the string representing the assembly instruction in
2702 static inline const char *
2703 gimple_asm_string (const_gimple gs)
2705 GIMPLE_CHECK (gs, GIMPLE_ASM);
2706 return gs->gimple_asm.string;
2710 /* Return true if GS is an asm statement marked volatile. */
2713 gimple_asm_volatile_p (const_gimple gs)
2715 GIMPLE_CHECK (gs, GIMPLE_ASM);
2716 return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0;
2720 /* If VOLATLE_P is true, mark asm statement GS as volatile. */
2723 gimple_asm_set_volatile (gimple gs, bool volatile_p)
2725 GIMPLE_CHECK (gs, GIMPLE_ASM);
2727 gs->gsbase.subcode |= GF_ASM_VOLATILE;
2729 gs->gsbase.subcode &= ~GF_ASM_VOLATILE;
2733 /* If INPUT_P is true, mark asm GS as an ASM_INPUT. */
2736 gimple_asm_set_input (gimple gs, bool input_p)
2738 GIMPLE_CHECK (gs, GIMPLE_ASM);
2740 gs->gsbase.subcode |= GF_ASM_INPUT;
2742 gs->gsbase.subcode &= ~GF_ASM_INPUT;
2746 /* Return true if asm GS is an ASM_INPUT. */
2749 gimple_asm_input_p (const_gimple gs)
2751 GIMPLE_CHECK (gs, GIMPLE_ASM);
2752 return (gs->gsbase.subcode & GF_ASM_INPUT) != 0;
2756 /* Return the types handled by GIMPLE_CATCH statement GS. */
2759 gimple_catch_types (const_gimple gs)
2761 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2762 return gs->gimple_catch.types;
2766 /* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */
2768 static inline tree *
2769 gimple_catch_types_ptr (gimple gs)
2771 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2772 return &gs->gimple_catch.types;
2776 /* Return the GIMPLE sequence representing the body of the handler of
2777 GIMPLE_CATCH statement GS. */
2779 static inline gimple_seq
2780 gimple_catch_handler (gimple gs)
2782 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2783 return gs->gimple_catch.handler;
2787 /* Return a pointer to the GIMPLE sequence representing the body of
2788 the handler of GIMPLE_CATCH statement GS. */
2790 static inline gimple_seq *
2791 gimple_catch_handler_ptr (gimple gs)
2793 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2794 return &gs->gimple_catch.handler;
2798 /* Set T to be the set of types handled by GIMPLE_CATCH GS. */
2801 gimple_catch_set_types (gimple gs, tree t)
2803 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2804 gs->gimple_catch.types = t;
2808 /* Set HANDLER to be the body of GIMPLE_CATCH GS. */
2811 gimple_catch_set_handler (gimple gs, gimple_seq handler)
2813 GIMPLE_CHECK (gs, GIMPLE_CATCH);
2814 gs->gimple_catch.handler = handler;
2818 /* Return the types handled by GIMPLE_EH_FILTER statement GS. */
2821 gimple_eh_filter_types (const_gimple gs)
2823 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2824 return gs->gimple_eh_filter.types;
2828 /* Return a pointer to the types handled by GIMPLE_EH_FILTER statement
2831 static inline tree *
2832 gimple_eh_filter_types_ptr (gimple gs)
2834 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2835 return &gs->gimple_eh_filter.types;
2839 /* Return the sequence of statement to execute when GIMPLE_EH_FILTER
2842 static inline gimple_seq
2843 gimple_eh_filter_failure (gimple gs)
2845 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2846 return gs->gimple_eh_filter.failure;
2850 /* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */
2853 gimple_eh_filter_set_types (gimple gs, tree types)
2855 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2856 gs->gimple_eh_filter.types = types;
2860 /* Set FAILURE to be the sequence of statements to execute on failure
2861 for GIMPLE_EH_FILTER GS. */
2864 gimple_eh_filter_set_failure (gimple gs, gimple_seq failure)
2866 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2867 gs->gimple_eh_filter.failure = failure;
2870 /* Return the EH_FILTER_MUST_NOT_THROW flag. */
2874 gimple_eh_filter_must_not_throw (gimple gs)
2876 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2877 return gs->gsbase.subcode != 0;
2880 /* Set the EH_FILTER_MUST_NOT_THROW flag to the value MNTP. */
2883 gimple_eh_filter_set_must_not_throw (gimple gs, bool mntp)
2885 GIMPLE_CHECK (gs, GIMPLE_EH_FILTER);
2886 gs->gsbase.subcode = (unsigned int) mntp;
2890 /* GIMPLE_TRY accessors. */
2892 /* Return the kind of try block represented by GIMPLE_TRY GS. This is
2893 either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */
2895 static inline enum gimple_try_flags
2896 gimple_try_kind (const_gimple gs)
2898 GIMPLE_CHECK (gs, GIMPLE_TRY);
2899 return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND);
2903 /* Set the kind of try block represented by GIMPLE_TRY GS. */
2906 gimple_try_set_kind (gimple gs, enum gimple_try_flags kind)
2908 GIMPLE_CHECK (gs, GIMPLE_TRY);
2909 gcc_assert (kind == GIMPLE_TRY_CATCH || kind == GIMPLE_TRY_FINALLY);
2910 if (gimple_try_kind (gs) != kind)
2911 gs->gsbase.subcode = (unsigned int) kind;
2915 /* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
2918 gimple_try_catch_is_cleanup (const_gimple gs)
2920 gcc_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH);
2921 return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0;
2925 /* Return the sequence of statements used as the body for GIMPLE_TRY GS. */
2927 static inline gimple_seq
2928 gimple_try_eval (gimple gs)
2930 GIMPLE_CHECK (gs, GIMPLE_TRY);
2931 return gs->gimple_try.eval;
2935 /* Return the sequence of statements used as the cleanup body for
2938 static inline gimple_seq
2939 gimple_try_cleanup (gimple gs)
2941 GIMPLE_CHECK (gs, GIMPLE_TRY);
2942 return gs->gimple_try.cleanup;
2946 /* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */
2949 gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup)
2951 gcc_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH);
2952 if (catch_is_cleanup)
2953 g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP;
2955 g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP;
2959 /* Set EVAL to be the sequence of statements to use as the body for
2963 gimple_try_set_eval (gimple gs, gimple_seq eval)
2965 GIMPLE_CHECK (gs, GIMPLE_TRY);
2966 gs->gimple_try.eval = eval;
2970 /* Set CLEANUP to be the sequence of statements to use as the cleanup
2971 body for GIMPLE_TRY GS. */
2974 gimple_try_set_cleanup (gimple gs, gimple_seq cleanup)
2976 GIMPLE_CHECK (gs, GIMPLE_TRY);
2977 gs->gimple_try.cleanup = cleanup;
2981 /* Return the cleanup sequence for cleanup statement GS. */
2983 static inline gimple_seq
2984 gimple_wce_cleanup (gimple gs)
2986 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
2987 return gs->gimple_wce.cleanup;
2991 /* Set CLEANUP to be the cleanup sequence for GS. */
2994 gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup)
2996 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
2997 gs->gimple_wce.cleanup = cleanup;
3001 /* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */
3004 gimple_wce_cleanup_eh_only (const_gimple gs)
3006 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3007 return gs->gsbase.subcode != 0;
3011 /* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */
3014 gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p)
3016 GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR);
3017 gs->gsbase.subcode = (unsigned int) eh_only_p;
3021 /* Return the maximum number of arguments supported by GIMPLE_PHI GS. */
3023 static inline unsigned
3024 gimple_phi_capacity (const_gimple gs)
3026 GIMPLE_CHECK (gs, GIMPLE_PHI);
3027 return gs->gimple_phi.capacity;
3031 /* Return the number of arguments in GIMPLE_PHI GS. This must always
3032 be exactly the number of incoming edges for the basic block holding
3035 static inline unsigned
3036 gimple_phi_num_args (const_gimple gs)
3038 GIMPLE_CHECK (gs, GIMPLE_PHI);
3039 return gs->gimple_phi.nargs;
3043 /* Return the SSA name created by GIMPLE_PHI GS. */
3046 gimple_phi_result (const_gimple gs)
3048 GIMPLE_CHECK (gs, GIMPLE_PHI);
3049 return gs->gimple_phi.result;
3052 /* Return a pointer to the SSA name created by GIMPLE_PHI GS. */
3054 static inline tree *
3055 gimple_phi_result_ptr (gimple gs)
3057 GIMPLE_CHECK (gs, GIMPLE_PHI);
3058 return &gs->gimple_phi.result;
3061 /* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */
3064 gimple_phi_set_result (gimple gs, tree result)
3066 GIMPLE_CHECK (gs, GIMPLE_PHI);
3067 gs->gimple_phi.result = result;
3071 /* Return the PHI argument corresponding to incoming edge INDEX for
3074 static inline struct phi_arg_d *
3075 gimple_phi_arg (gimple gs, unsigned index)
3077 GIMPLE_CHECK (gs, GIMPLE_PHI);
3078 gcc_assert (index <= gs->gimple_phi.capacity);
3079 return &(gs->gimple_phi.args[index]);
3082 /* Set PHIARG to be the argument corresponding to incoming edge INDEX
3083 for GIMPLE_PHI GS. */
3086 gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg)
3088 GIMPLE_CHECK (gs, GIMPLE_PHI);
3089 gcc_assert (index <= gs->gimple_phi.nargs);
3090 memcpy (gs->gimple_phi.args + index, phiarg, sizeof (struct phi_arg_d));
3093 /* Return the region number for GIMPLE_RESX GS. */
3096 gimple_resx_region (const_gimple gs)
3098 GIMPLE_CHECK (gs, GIMPLE_RESX);
3099 return gs->gimple_resx.region;
3102 /* Set REGION to be the region number for GIMPLE_RESX GS. */
3105 gimple_resx_set_region (gimple gs, int region)
3107 GIMPLE_CHECK (gs, GIMPLE_RESX);
3108 gs->gimple_resx.region = region;
3112 /* Return the number of labels associated with the switch statement GS. */
3114 static inline unsigned
3115 gimple_switch_num_labels (const_gimple gs)
3118 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3119 num_ops = gimple_num_ops (gs);
3120 gcc_assert (num_ops > 1);
3125 /* Set NLABELS to be the number of labels for the switch statement GS. */
3128 gimple_switch_set_num_labels (gimple g, unsigned nlabels)
3130 GIMPLE_CHECK (g, GIMPLE_SWITCH);
3131 gimple_set_num_ops (g, nlabels + 1);
3135 /* Return the index variable used by the switch statement GS. */
3138 gimple_switch_index (const_gimple gs)
3140 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3141 return gimple_op (gs, 0);
3145 /* Return a pointer to the index variable for the switch statement GS. */
3147 static inline tree *
3148 gimple_switch_index_ptr (const_gimple gs)
3150 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3151 return gimple_op_ptr (gs, 0);
3155 /* Set INDEX to be the index variable for switch statement GS. */
3158 gimple_switch_set_index (gimple gs, tree index)
3160 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3161 gcc_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index));
3162 gimple_set_op (gs, 0, index);
3166 /* Return the label numbered INDEX. The default label is 0, followed by any
3167 labels in a switch statement. */
3170 gimple_switch_label (const_gimple gs, unsigned index)
3172 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3173 gcc_assert (gimple_num_ops (gs) > index + 1);
3174 return gimple_op (gs, index + 1);
3177 /* Set the label number INDEX to LABEL. 0 is always the default label. */
3180 gimple_switch_set_label (gimple gs, unsigned index, tree label)
3182 GIMPLE_CHECK (gs, GIMPLE_SWITCH);
3183 gcc_assert (gimple_num_ops (gs) > index + 1);
3184 gcc_assert (label == NULL_TREE || TREE_CODE (label) == CASE_LABEL_EXPR);
3185 gimple_set_op (gs, index + 1, label);
3188 /* Return the default label for a switch statement. */
3191 gimple_switch_default_label (const_gimple gs)
3193 return gimple_switch_label (gs, 0);
3196 /* Set the default label for a switch statement. */
3199 gimple_switch_set_default_label (gimple gs, tree label)
3201 gimple_switch_set_label (gs, 0, label);
3205 /* Return the body for the OMP statement GS. */
3207 static inline gimple_seq
3208 gimple_omp_body (gimple gs)
3210 return gs->omp.body;
3213 /* Set BODY to be the body for the OMP statement GS. */
3216 gimple_omp_set_body (gimple gs, gimple_seq body)
3218 gs->omp.body = body;
3222 /* Return the name associated with OMP_CRITICAL statement GS. */
3225 gimple_omp_critical_name (const_gimple gs)
3227 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3228 return gs->gimple_omp_critical.name;
3232 /* Return a pointer to the name associated with OMP critical statement GS. */
3234 static inline tree *
3235 gimple_omp_critical_name_ptr (gimple gs)
3237 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3238 return &gs->gimple_omp_critical.name;
3242 /* Set NAME to be the name associated with OMP critical statement GS. */
3245 gimple_omp_critical_set_name (gimple gs, tree name)
3247 GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL);
3248 gs->gimple_omp_critical.name = name;
3252 /* Return the clauses associated with OMP_FOR GS. */
3255 gimple_omp_for_clauses (const_gimple gs)
3257 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3258 return gs->gimple_omp_for.clauses;
3262 /* Return a pointer to the OMP_FOR GS. */
3264 static inline tree *
3265 gimple_omp_for_clauses_ptr (gimple gs)
3267 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3268 return &gs->gimple_omp_for.clauses;
3272 /* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */
3275 gimple_omp_for_set_clauses (gimple gs, tree clauses)
3277 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3278 gs->gimple_omp_for.clauses = clauses;
3282 /* Get the collapse count of OMP_FOR GS. */
3284 static inline size_t
3285 gimple_omp_for_collapse (gimple gs)
3287 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3288 return gs->gimple_omp_for.collapse;
3292 /* Return the index variable for OMP_FOR GS. */
3295 gimple_omp_for_index (const_gimple gs, size_t i)
3297 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3298 gcc_assert (i < gs->gimple_omp_for.collapse);
3299 return gs->gimple_omp_for.iter[i].index;
3303 /* Return a pointer to the index variable for OMP_FOR GS. */
3305 static inline tree *
3306 gimple_omp_for_index_ptr (gimple gs, size_t i)
3308 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3309 gcc_assert (i < gs->gimple_omp_for.collapse);
3310 return &gs->gimple_omp_for.iter[i].index;
3314 /* Set INDEX to be the index variable for OMP_FOR GS. */
3317 gimple_omp_for_set_index (gimple gs, size_t i, tree index)
3319 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3320 gcc_assert (i < gs->gimple_omp_for.collapse);
3321 gs->gimple_omp_for.iter[i].index = index;
3325 /* Return the initial value for OMP_FOR GS. */
3328 gimple_omp_for_initial (const_gimple gs, size_t i)
3330 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3331 gcc_assert (i < gs->gimple_omp_for.collapse);
3332 return gs->gimple_omp_for.iter[i].initial;
3336 /* Return a pointer to the initial value for OMP_FOR GS. */
3338 static inline tree *
3339 gimple_omp_for_initial_ptr (gimple gs, size_t i)
3341 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3342 gcc_assert (i < gs->gimple_omp_for.collapse);
3343 return &gs->gimple_omp_for.iter[i].initial;
3347 /* Set INITIAL to be the initial value for OMP_FOR GS. */
3350 gimple_omp_for_set_initial (gimple gs, size_t i, tree initial)
3352 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3353 gcc_assert (i < gs->gimple_omp_for.collapse);
3354 gs->gimple_omp_for.iter[i].initial = initial;
3358 /* Return the final value for OMP_FOR GS. */
3361 gimple_omp_for_final (const_gimple gs, size_t i)
3363 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3364 gcc_assert (i < gs->gimple_omp_for.collapse);
3365 return gs->gimple_omp_for.iter[i].final;
3369 /* Return a pointer to the final value for OMP_FOR GS. */
3371 static inline tree *
3372 gimple_omp_for_final_ptr (gimple gs, size_t i)
3374 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3375 gcc_assert (i < gs->gimple_omp_for.collapse);
3376 return &gs->gimple_omp_for.iter[i].final;
3380 /* Set FINAL to be the final value for OMP_FOR GS. */
3383 gimple_omp_for_set_final (gimple gs, size_t i, tree final)
3385 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3386 gcc_assert (i < gs->gimple_omp_for.collapse);
3387 gs->gimple_omp_for.iter[i].final = final;
3391 /* Return the increment value for OMP_FOR GS. */
3394 gimple_omp_for_incr (const_gimple gs, size_t i)
3396 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3397 gcc_assert (i < gs->gimple_omp_for.collapse);
3398 return gs->gimple_omp_for.iter[i].incr;
3402 /* Return a pointer to the increment value for OMP_FOR GS. */
3404 static inline tree *
3405 gimple_omp_for_incr_ptr (gimple gs, size_t i)
3407 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3408 gcc_assert (i < gs->gimple_omp_for.collapse);
3409 return &gs->gimple_omp_for.iter[i].incr;
3413 /* Set INCR to be the increment value for OMP_FOR GS. */
3416 gimple_omp_for_set_incr (gimple gs, size_t i, tree incr)
3418 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3419 gcc_assert (i < gs->gimple_omp_for.collapse);
3420 gs->gimple_omp_for.iter[i].incr = incr;
3424 /* Return the sequence of statements to execute before the OMP_FOR
3425 statement GS starts. */
3427 static inline gimple_seq
3428 gimple_omp_for_pre_body (gimple gs)
3430 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3431 return gs->gimple_omp_for.pre_body;
3435 /* Set PRE_BODY to be the sequence of statements to execute before the
3436 OMP_FOR statement GS starts. */
3439 gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body)
3441 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3442 gs->gimple_omp_for.pre_body = pre_body;
3446 /* Return the clauses associated with OMP_PARALLEL GS. */
3449 gimple_omp_parallel_clauses (const_gimple gs)
3451 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3452 return gs->gimple_omp_parallel.clauses;
3456 /* Return a pointer to the clauses associated with OMP_PARALLEL GS. */
3458 static inline tree *
3459 gimple_omp_parallel_clauses_ptr (gimple gs)
3461 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3462 return &gs->gimple_omp_parallel.clauses;
3466 /* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL
3470 gimple_omp_parallel_set_clauses (gimple gs, tree clauses)
3472 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3473 gs->gimple_omp_parallel.clauses = clauses;
3477 /* Return the child function used to hold the body of OMP_PARALLEL GS. */
3480 gimple_omp_parallel_child_fn (const_gimple gs)
3482 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3483 return gs->gimple_omp_parallel.child_fn;
3486 /* Return a pointer to the child function used to hold the body of
3489 static inline tree *
3490 gimple_omp_parallel_child_fn_ptr (gimple gs)
3492 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3493 return &gs->gimple_omp_parallel.child_fn;
3497 /* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */
3500 gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn)
3502 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3503 gs->gimple_omp_parallel.child_fn = child_fn;
3507 /* Return the artificial argument used to send variables and values
3508 from the parent to the children threads in OMP_PARALLEL GS. */
3511 gimple_omp_parallel_data_arg (const_gimple gs)
3513 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3514 return gs->gimple_omp_parallel.data_arg;
3518 /* Return a pointer to the data argument for OMP_PARALLEL GS. */
3520 static inline tree *
3521 gimple_omp_parallel_data_arg_ptr (gimple gs)
3523 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3524 return &gs->gimple_omp_parallel.data_arg;
3528 /* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */
3531 gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg)
3533 GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL);
3534 gs->gimple_omp_parallel.data_arg = data_arg;
3538 /* Return the clauses associated with OMP_TASK GS. */
3541 gimple_omp_task_clauses (const_gimple gs)
3543 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3544 return gs->gimple_omp_parallel.clauses;
3548 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3550 static inline tree *
3551 gimple_omp_task_clauses_ptr (gimple gs)
3553 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3554 return &gs->gimple_omp_parallel.clauses;
3558 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3562 gimple_omp_task_set_clauses (gimple gs, tree clauses)
3564 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3565 gs->gimple_omp_parallel.clauses = clauses;
3569 /* Return the child function used to hold the body of OMP_TASK GS. */
3572 gimple_omp_task_child_fn (const_gimple gs)
3574 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3575 return gs->gimple_omp_parallel.child_fn;
3578 /* Return a pointer to the child function used to hold the body of
3581 static inline tree *
3582 gimple_omp_task_child_fn_ptr (gimple gs)
3584 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3585 return &gs->gimple_omp_parallel.child_fn;
3589 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3592 gimple_omp_task_set_child_fn (gimple gs, tree child_fn)
3594 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3595 gs->gimple_omp_parallel.child_fn = child_fn;
3599 /* Return the artificial argument used to send variables and values
3600 from the parent to the children threads in OMP_TASK GS. */
3603 gimple_omp_task_data_arg (const_gimple gs)
3605 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3606 return gs->gimple_omp_parallel.data_arg;
3610 /* Return a pointer to the data argument for OMP_TASK GS. */
3612 static inline tree *
3613 gimple_omp_task_data_arg_ptr (gimple gs)
3615 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3616 return &gs->gimple_omp_parallel.data_arg;
3620 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3623 gimple_omp_task_set_data_arg (gimple gs, tree data_arg)
3625 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3626 gs->gimple_omp_parallel.data_arg = data_arg;
3630 /* Return the clauses associated with OMP_TASK GS. */
3633 gimple_omp_taskreg_clauses (const_gimple gs)
3635 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3636 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3637 return gs->gimple_omp_parallel.clauses;
3641 /* Return a pointer to the clauses associated with OMP_TASK GS. */
3643 static inline tree *
3644 gimple_omp_taskreg_clauses_ptr (gimple gs)
3646 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3647 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3648 return &gs->gimple_omp_parallel.clauses;
3652 /* Set CLAUSES to be the list of clauses associated with OMP_TASK
3656 gimple_omp_taskreg_set_clauses (gimple gs, tree clauses)
3658 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3659 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3660 gs->gimple_omp_parallel.clauses = clauses;
3664 /* Return the child function used to hold the body of OMP_TASK GS. */
3667 gimple_omp_taskreg_child_fn (const_gimple gs)
3669 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3670 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3671 return gs->gimple_omp_parallel.child_fn;
3674 /* Return a pointer to the child function used to hold the body of
3677 static inline tree *
3678 gimple_omp_taskreg_child_fn_ptr (gimple gs)
3680 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3681 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3682 return &gs->gimple_omp_parallel.child_fn;
3686 /* Set CHILD_FN to be the child function for OMP_TASK GS. */
3689 gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn)
3691 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3692 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3693 gs->gimple_omp_parallel.child_fn = child_fn;
3697 /* Return the artificial argument used to send variables and values
3698 from the parent to the children threads in OMP_TASK GS. */
3701 gimple_omp_taskreg_data_arg (const_gimple gs)
3703 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3704 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3705 return gs->gimple_omp_parallel.data_arg;
3709 /* Return a pointer to the data argument for OMP_TASK GS. */
3711 static inline tree *
3712 gimple_omp_taskreg_data_arg_ptr (gimple gs)
3714 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3715 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3716 return &gs->gimple_omp_parallel.data_arg;
3720 /* Set DATA_ARG to be the data argument for OMP_TASK GS. */
3723 gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg)
3725 if (gimple_code (gs) != GIMPLE_OMP_PARALLEL)
3726 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3727 gs->gimple_omp_parallel.data_arg = data_arg;
3731 /* Return the copy function used to hold the body of OMP_TASK GS. */
3734 gimple_omp_task_copy_fn (const_gimple gs)
3736 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3737 return gs->gimple_omp_task.copy_fn;
3740 /* Return a pointer to the copy function used to hold the body of
3743 static inline tree *
3744 gimple_omp_task_copy_fn_ptr (gimple gs)
3746 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3747 return &gs->gimple_omp_task.copy_fn;
3751 /* Set CHILD_FN to be the copy function for OMP_TASK GS. */
3754 gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn)
3756 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3757 gs->gimple_omp_task.copy_fn = copy_fn;
3761 /* Return size of the data block in bytes in OMP_TASK GS. */
3764 gimple_omp_task_arg_size (const_gimple gs)
3766 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3767 return gs->gimple_omp_task.arg_size;
3771 /* Return a pointer to the data block size for OMP_TASK GS. */
3773 static inline tree *
3774 gimple_omp_task_arg_size_ptr (gimple gs)
3776 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3777 return &gs->gimple_omp_task.arg_size;
3781 /* Set ARG_SIZE to be the data block size for OMP_TASK GS. */
3784 gimple_omp_task_set_arg_size (gimple gs, tree arg_size)
3786 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3787 gs->gimple_omp_task.arg_size = arg_size;
3791 /* Return align of the data block in bytes in OMP_TASK GS. */
3794 gimple_omp_task_arg_align (const_gimple gs)
3796 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3797 return gs->gimple_omp_task.arg_align;
3801 /* Return a pointer to the data block align for OMP_TASK GS. */
3803 static inline tree *
3804 gimple_omp_task_arg_align_ptr (gimple gs)
3806 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3807 return &gs->gimple_omp_task.arg_align;
3811 /* Set ARG_SIZE to be the data block align for OMP_TASK GS. */
3814 gimple_omp_task_set_arg_align (gimple gs, tree arg_align)
3816 GIMPLE_CHECK (gs, GIMPLE_OMP_TASK);
3817 gs->gimple_omp_task.arg_align = arg_align;
3821 /* Return the clauses associated with OMP_SINGLE GS. */
3824 gimple_omp_single_clauses (const_gimple gs)
3826 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
3827 return gs->gimple_omp_single.clauses;
3831 /* Return a pointer to the clauses associated with OMP_SINGLE GS. */
3833 static inline tree *
3834 gimple_omp_single_clauses_ptr (gimple gs)
3836 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
3837 return &gs->gimple_omp_single.clauses;
3841 /* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */
3844 gimple_omp_single_set_clauses (gimple gs, tree clauses)
3846 GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE);
3847 gs->gimple_omp_single.clauses = clauses;
3851 /* Return the clauses associated with OMP_SECTIONS GS. */
3854 gimple_omp_sections_clauses (const_gimple gs)
3856 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
3857 return gs->gimple_omp_sections.clauses;
3861 /* Return a pointer to the clauses associated with OMP_SECTIONS GS. */
3863 static inline tree *
3864 gimple_omp_sections_clauses_ptr (gimple gs)
3866 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
3867 return &gs->gimple_omp_sections.clauses;
3871 /* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS
3875 gimple_omp_sections_set_clauses (gimple gs, tree clauses)
3877 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
3878 gs->gimple_omp_sections.clauses = clauses;
3882 /* Return the control variable associated with the GIMPLE_OMP_SECTIONS
3886 gimple_omp_sections_control (const_gimple gs)
3888 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
3889 return gs->gimple_omp_sections.control;
3893 /* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS
3896 static inline tree *
3897 gimple_omp_sections_control_ptr (gimple gs)
3899 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
3900 return &gs->gimple_omp_sections.control;
3904 /* Set CONTROL to be the set of clauses associated with the
3905 GIMPLE_OMP_SECTIONS in GS. */
3908 gimple_omp_sections_set_control (gimple gs, tree control)
3910 GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS);
3911 gs->gimple_omp_sections.control = control;
3915 /* Set COND to be the condition code for OMP_FOR GS. */
3918 gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond)
3920 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3921 gcc_assert (TREE_CODE_CLASS (cond) == tcc_comparison);
3922 gcc_assert (i < gs->gimple_omp_for.collapse);
3923 gs->gimple_omp_for.iter[i].cond = cond;
3927 /* Return the condition code associated with OMP_FOR GS. */
3929 static inline enum tree_code
3930 gimple_omp_for_cond (const_gimple gs, size_t i)
3932 GIMPLE_CHECK (gs, GIMPLE_OMP_FOR);
3933 gcc_assert (i < gs->gimple_omp_for.collapse);
3934 return gs->gimple_omp_for.iter[i].cond;
3938 /* Set the value being stored in an atomic store. */
3941 gimple_omp_atomic_store_set_val (gimple g, tree val)
3943 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
3944 g->gimple_omp_atomic_store.val = val;
3948 /* Return the value being stored in an atomic store. */
3951 gimple_omp_atomic_store_val (const_gimple g)
3953 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
3954 return g->gimple_omp_atomic_store.val;
3958 /* Return a pointer to the value being stored in an atomic store. */
3960 static inline tree *
3961 gimple_omp_atomic_store_val_ptr (gimple g)
3963 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE);
3964 return &g->gimple_omp_atomic_store.val;
3968 /* Set the LHS of an atomic load. */
3971 gimple_omp_atomic_load_set_lhs (gimple g, tree lhs)
3973 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
3974 g->gimple_omp_atomic_load.lhs = lhs;
3978 /* Get the LHS of an atomic load. */
3981 gimple_omp_atomic_load_lhs (const_gimple g)
3983 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
3984 return g->gimple_omp_atomic_load.lhs;
3988 /* Return a pointer to the LHS of an atomic load. */
3990 static inline tree *
3991 gimple_omp_atomic_load_lhs_ptr (gimple g)
3993 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
3994 return &g->gimple_omp_atomic_load.lhs;
3998 /* Set the RHS of an atomic load. */
4001 gimple_omp_atomic_load_set_rhs (gimple g, tree rhs)
4003 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4004 g->gimple_omp_atomic_load.rhs = rhs;
4008 /* Get the RHS of an atomic load. */
4011 gimple_omp_atomic_load_rhs (const_gimple g)
4013 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4014 return g->gimple_omp_atomic_load.rhs;
4018 /* Return a pointer to the RHS of an atomic load. */
4020 static inline tree *
4021 gimple_omp_atomic_load_rhs_ptr (gimple g)
4023 GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD);
4024 return &g->gimple_omp_atomic_load.rhs;
4028 /* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4031 gimple_omp_continue_control_def (const_gimple g)
4033 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4034 return g->gimple_omp_continue.control_def;
4037 /* The same as above, but return the address. */
4039 static inline tree *
4040 gimple_omp_continue_control_def_ptr (gimple g)
4042 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4043 return &g->gimple_omp_continue.control_def;
4046 /* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */
4049 gimple_omp_continue_set_control_def (gimple g, tree def)
4051 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4052 g->gimple_omp_continue.control_def = def;
4056 /* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4059 gimple_omp_continue_control_use (const_gimple g)
4061 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4062 return g->gimple_omp_continue.control_use;
4066 /* The same as above, but return the address. */
4068 static inline tree *
4069 gimple_omp_continue_control_use_ptr (gimple g)
4071 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4072 return &g->gimple_omp_continue.control_use;
4076 /* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */
4079 gimple_omp_continue_set_control_use (gimple g, tree use)
4081 GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE);
4082 g->gimple_omp_continue.control_use = use;
4086 /* Return a pointer to the return value for GIMPLE_RETURN GS. */
4088 static inline tree *
4089 gimple_return_retval_ptr (const_gimple gs)
4091 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4092 gcc_assert (gimple_num_ops (gs) == 1);
4093 return gimple_op_ptr (gs, 0);
4096 /* Return the return value for GIMPLE_RETURN GS. */
4099 gimple_return_retval (const_gimple gs)
4101 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4102 gcc_assert (gimple_num_ops (gs) == 1);
4103 return gimple_op (gs, 0);
4107 /* Set RETVAL to be the return value for GIMPLE_RETURN GS. */
4110 gimple_return_set_retval (gimple gs, tree retval)
4112 GIMPLE_CHECK (gs, GIMPLE_RETURN);
4113 gcc_assert (gimple_num_ops (gs) == 1);
4114 gcc_assert (retval == NULL_TREE
4115 || TREE_CODE (retval) == RESULT_DECL
4116 || is_gimple_val (retval));
4117 gimple_set_op (gs, 0, retval);
4121 /* Returns true when the gimple statment STMT is any of the OpenMP types. */
4124 is_gimple_omp (const_gimple stmt)
4126 return (gimple_code (stmt) == GIMPLE_OMP_PARALLEL
4127 || gimple_code (stmt) == GIMPLE_OMP_TASK
4128 || gimple_code (stmt) == GIMPLE_OMP_FOR
4129 || gimple_code (stmt) == GIMPLE_OMP_SECTIONS
4130 || gimple_code (stmt) == GIMPLE_OMP_SECTIONS_SWITCH
4131 || gimple_code (stmt) == GIMPLE_OMP_SINGLE
4132 || gimple_code (stmt) == GIMPLE_OMP_SECTION
4133 || gimple_code (stmt) == GIMPLE_OMP_MASTER
4134 || gimple_code (stmt) == GIMPLE_OMP_ORDERED
4135 || gimple_code (stmt) == GIMPLE_OMP_CRITICAL
4136 || gimple_code (stmt) == GIMPLE_OMP_RETURN
4137 || gimple_code (stmt) == GIMPLE_OMP_ATOMIC_LOAD
4138 || gimple_code (stmt) == GIMPLE_OMP_ATOMIC_STORE
4139 || gimple_code (stmt) == GIMPLE_OMP_CONTINUE);
4143 /* Returns TRUE if statement G is a GIMPLE_NOP. */
4146 gimple_nop_p (const_gimple g)
4148 return gimple_code (g) == GIMPLE_NOP;
4152 /* Return the new type set by GIMPLE_CHANGE_DYNAMIC_TYPE statement GS. */
4155 gimple_cdt_new_type (gimple gs)
4157 GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE);
4158 return gimple_op (gs, 1);
4161 /* Return a pointer to the new type set by GIMPLE_CHANGE_DYNAMIC_TYPE
4164 static inline tree *
4165 gimple_cdt_new_type_ptr (gimple gs)
4167 GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE);
4168 return gimple_op_ptr (gs, 1);
4171 /* Set NEW_TYPE to be the type returned by GIMPLE_CHANGE_DYNAMIC_TYPE
4175 gimple_cdt_set_new_type (gimple gs, tree new_type)
4177 GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE);
4178 gcc_assert (TREE_CODE_CLASS (TREE_CODE (new_type)) == tcc_type);
4179 gimple_set_op (gs, 1, new_type);
4183 /* Return the location affected by GIMPLE_CHANGE_DYNAMIC_TYPE statement GS. */
4186 gimple_cdt_location (gimple gs)
4188 GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE);
4189 return gimple_op (gs, 0);
4193 /* Return a pointer to the location affected by GIMPLE_CHANGE_DYNAMIC_TYPE
4196 static inline tree *
4197 gimple_cdt_location_ptr (gimple gs)
4199 GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE);
4200 return gimple_op_ptr (gs, 0);
4204 /* Set PTR to be the location affected by GIMPLE_CHANGE_DYNAMIC_TYPE
4208 gimple_cdt_set_location (gimple gs, tree ptr)
4210 GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE);
4211 gimple_set_op (gs, 0, ptr);
4215 /* Return the predictor of GIMPLE_PREDICT statement GS. */
4217 static inline enum br_predictor
4218 gimple_predict_predictor (gimple gs)
4220 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4221 return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN);
4225 /* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */
4228 gimple_predict_set_predictor (gimple gs, enum br_predictor predictor)
4230 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4231 gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN)
4232 | (unsigned) predictor;
4236 /* Return the outcome of GIMPLE_PREDICT statement GS. */
4238 static inline enum prediction
4239 gimple_predict_outcome (gimple gs)
4241 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4242 return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN;
4246 /* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */
4249 gimple_predict_set_outcome (gimple gs, enum prediction outcome)
4251 GIMPLE_CHECK (gs, GIMPLE_PREDICT);
4252 if (outcome == TAKEN)
4253 gs->gsbase.subcode |= GF_PREDICT_TAKEN;
4255 gs->gsbase.subcode &= ~GF_PREDICT_TAKEN;
4259 /* Return the type of the main expression computed by STMT. Return
4260 void_type_node if the statement computes nothing. */
4263 gimple_expr_type (const_gimple stmt)
4265 enum gimple_code code = gimple_code (stmt);
4267 if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL)
4270 /* In general we want to pass out a type that can be substituted
4271 for both the RHS and the LHS types if there is a possibly
4272 useless conversion involved. That means returning the
4273 original RHS type as far as we can reconstruct it. */
4274 if (code == GIMPLE_CALL)
4275 type = gimple_call_return_type (stmt);
4277 switch (gimple_assign_rhs_code (stmt))
4279 case POINTER_PLUS_EXPR:
4280 type = TREE_TYPE (gimple_assign_rhs1 (stmt));
4284 /* As fallback use the type of the LHS. */
4285 type = TREE_TYPE (gimple_get_lhs (stmt));
4289 /* Integral sub-types are never the type of the expression,
4290 but they still can be the type of the result as the base
4291 type (in which expressions are computed) is trivially
4292 convertible to one of its sub-types. So always return
4293 the base type here. */
4294 if (INTEGRAL_TYPE_P (type)
4296 /* But only if they are trivially convertible. */
4297 && useless_type_conversion_p (type, TREE_TYPE (type)))
4298 type = TREE_TYPE (type);
4301 else if (code == GIMPLE_COND)
4302 return boolean_type_node;
4304 return void_type_node;
4308 /* Return a new iterator pointing to GIMPLE_SEQ's first statement. */
4310 static inline gimple_stmt_iterator
4311 gsi_start (gimple_seq seq)
4313 gimple_stmt_iterator i;
4315 i.ptr = gimple_seq_first (seq);
4317 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4323 /* Return a new iterator pointing to the first statement in basic block BB. */
4325 static inline gimple_stmt_iterator
4326 gsi_start_bb (basic_block bb)
4328 gimple_stmt_iterator i;
4332 i.ptr = gimple_seq_first (seq);
4340 /* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */
4342 static inline gimple_stmt_iterator
4343 gsi_last (gimple_seq seq)
4345 gimple_stmt_iterator i;
4347 i.ptr = gimple_seq_last (seq);
4349 i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL;
4355 /* Return a new iterator pointing to the last statement in basic block BB. */
4357 static inline gimple_stmt_iterator
4358 gsi_last_bb (basic_block bb)
4360 gimple_stmt_iterator i;
4364 i.ptr = gimple_seq_last (seq);
4372 /* Return true if I is at the end of its sequence. */
4375 gsi_end_p (gimple_stmt_iterator i)
4377 return i.ptr == NULL;
4381 /* Return true if I is one statement before the end of its sequence. */
4384 gsi_one_before_end_p (gimple_stmt_iterator i)
4386 return i.ptr != NULL && i.ptr->next == NULL;
4390 /* Advance the iterator to the next gimple statement. */
4393 gsi_next (gimple_stmt_iterator *i)
4395 i->ptr = i->ptr->next;
4398 /* Advance the iterator to the previous gimple statement. */
4401 gsi_prev (gimple_stmt_iterator *i)
4403 i->ptr = i->ptr->prev;
4406 /* Return the current stmt. */
4408 static inline gimple
4409 gsi_stmt (gimple_stmt_iterator i)
4414 /* Return a block statement iterator that points to the first non-label
4415 statement in block BB. */
4417 static inline gimple_stmt_iterator
4418 gsi_after_labels (basic_block bb)
4420 gimple_stmt_iterator gsi = gsi_start_bb (bb);
4422 while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL)
4428 /* Return a pointer to the current stmt.
4430 NOTE: You may want to use gsi_replace on the iterator itself,
4431 as this performs additional bookkeeping that will not be done
4432 if you simply assign through a pointer returned by gsi_stmt_ptr. */
4434 static inline gimple *
4435 gsi_stmt_ptr (gimple_stmt_iterator *i)
4437 return &i->ptr->stmt;
4441 /* Return the basic block associated with this iterator. */
4443 static inline basic_block
4444 gsi_bb (gimple_stmt_iterator i)
4450 /* Return the sequence associated with this iterator. */
4452 static inline gimple_seq
4453 gsi_seq (gimple_stmt_iterator i)
4459 enum gsi_iterator_update
4461 GSI_NEW_STMT, /* Only valid when single statement is added, move
4463 GSI_SAME_STMT, /* Leave the iterator at the same statement. */
4464 GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable
4465 for linking other statements in the same
4469 /* In gimple-iterator.c */
4470 gimple_stmt_iterator gsi_start_phis (basic_block);
4471 gimple_seq gsi_split_seq_after (gimple_stmt_iterator);
4472 gimple_seq gsi_split_seq_before (gimple_stmt_iterator *);
4473 void gsi_replace (gimple_stmt_iterator *, gimple, bool);
4474 void gsi_insert_before (gimple_stmt_iterator *, gimple,
4475 enum gsi_iterator_update);
4476 void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple,
4477 enum gsi_iterator_update);
4478 void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq,
4479 enum gsi_iterator_update);
4480 void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq,
4481 enum gsi_iterator_update);
4482 void gsi_insert_after (gimple_stmt_iterator *, gimple,
4483 enum gsi_iterator_update);
4484 void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple,
4485 enum gsi_iterator_update);
4486 void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq,
4487 enum gsi_iterator_update);
4488 void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq,
4489 enum gsi_iterator_update);
4490 void gsi_remove (gimple_stmt_iterator *, bool);
4491 gimple_stmt_iterator gsi_for_stmt (gimple);
4492 void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *);
4493 void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *);
4494 void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *);
4495 void gsi_insert_on_edge (edge, gimple);
4496 void gsi_insert_seq_on_edge (edge, gimple_seq);
4497 basic_block gsi_insert_on_edge_immediate (edge, gimple);
4498 basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq);
4499 void gsi_commit_one_edge_insert (edge, basic_block *);
4500 void gsi_commit_edge_inserts (void);
4501 gimple gimple_call_copy_skip_args (gimple, bitmap);
4504 /* Convenience routines to walk all statements of a gimple function.
4505 Note that this is useful exclusively before the code is converted
4506 into SSA form. Once the program is in SSA form, the standard
4507 operand interface should be used to analyze/modify statements. */
4508 struct walk_stmt_info
4510 /* Points to the current statement being walked. */
4511 gimple_stmt_iterator gsi;
4513 /* Additional data that the callback functions may want to carry
4514 through the recursion. */
4517 /* Pointer map used to mark visited tree nodes when calling
4518 walk_tree on each operand. If set to NULL, duplicate tree nodes
4519 will be visited more than once. */
4520 struct pointer_set_t *pset;
4522 /* Indicates whether the operand being examined may be replaced
4523 with something that matches is_gimple_val (if true) or something
4524 slightly more complicated (if false). "Something" technically
4525 means the common subset of is_gimple_lvalue and is_gimple_rhs,
4526 but we never try to form anything more complicated than that, so
4527 we don't bother checking.
4529 Also note that CALLBACK should update this flag while walking the
4530 sub-expressions of a statement. For instance, when walking the
4531 statement 'foo (&var)', the flag VAL_ONLY will initially be set
4532 to true, however, when walking &var, the operand of that
4533 ADDR_EXPR does not need to be a GIMPLE value. */
4536 /* True if we are currently walking the LHS of an assignment. */
4539 /* Optional. Set to true by the callback functions if they made any
4543 /* True if we're interested in location information. */
4544 bool want_locations;
4546 /* Operand returned by the callbacks. This is set when calling
4547 walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback
4548 returns non-NULL, this field will contain the tree returned by
4549 the last callback. */
4550 tree callback_result;
4553 /* Callback for walk_gimple_stmt. Called for every statement found
4554 during traversal. The first argument points to the statement to
4555 walk. The second argument is a flag that the callback sets to
4556 'true' if it the callback handled all the operands and
4557 sub-statements of the statement (the default value of this flag is
4558 'false'). The third argument is an anonymous pointer to data
4559 to be used by the callback. */
4560 typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *,
4561 struct walk_stmt_info *);
4563 gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn,
4564 struct walk_stmt_info *);
4565 tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn,
4566 struct walk_stmt_info *);
4567 tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *);
4569 #ifdef GATHER_STATISTICS
4570 /* Enum and arrays used for allocation stats. Keep in sync with
4571 gimple.c:gimple_alloc_kind_names. */
4572 enum gimple_alloc_kind
4574 gimple_alloc_kind_assign, /* Assignments. */
4575 gimple_alloc_kind_phi, /* PHI nodes. */
4576 gimple_alloc_kind_cond, /* Conditionals. */
4577 gimple_alloc_kind_seq, /* Sequences. */
4578 gimple_alloc_kind_rest, /* Everything else. */
4579 gimple_alloc_kind_all
4582 extern int gimple_alloc_counts[];
4583 extern int gimple_alloc_sizes[];
4585 /* Return the allocation kind for a given stmt CODE. */
4586 static inline enum gimple_alloc_kind
4587 gimple_alloc_kind (enum gimple_code code)
4592 return gimple_alloc_kind_assign;
4594 return gimple_alloc_kind_phi;
4596 return gimple_alloc_kind_cond;
4598 return gimple_alloc_kind_rest;
4601 #endif /* GATHER_STATISTICS */
4603 extern void dump_gimple_statistics (void);
4605 #endif /* GCC_GIMPLE_H */