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Diffstat (limited to 'gcc/gimple.h')
| -rw-r--r-- | gcc/gimple.h | 4546 |
1 files changed, 4546 insertions, 0 deletions
diff --git a/gcc/gimple.h b/gcc/gimple.h new file mode 100644 index 00000000000..0c11f3ebfa7 --- /dev/null +++ b/gcc/gimple.h @@ -0,0 +1,4546 @@ +/* Gimple IR definitions. + + Copyright 2007, 2008 Free Software Foundation, Inc. + Contributed by Aldy Hernandez <aldyh@redhat.com> + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 3, or (at your option) any later +version. + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#ifndef GCC_GIMPLE_H +#define GCC_GIMPLE_H + +#include "pointer-set.h" +#include "vec.h" +#include "ggc.h" +#include "tm.h" +#include "hard-reg-set.h" +#include "basic-block.h" +#include "tree-ssa-operands.h" + +DEF_VEC_P(gimple); +DEF_VEC_ALLOC_P(gimple,heap); +DEF_VEC_ALLOC_P(gimple,gc); + +DEF_VEC_P(gimple_seq); +DEF_VEC_ALLOC_P(gimple_seq,gc); +DEF_VEC_ALLOC_P(gimple_seq,heap); + +enum gimple_code { +#define DEFGSCODE(SYM, STRING, STRUCT) SYM, +#include "gimple.def" +#undef DEFGSCODE + LAST_AND_UNUSED_GIMPLE_CODE +}; + +extern const char *const gimple_code_name[]; +extern const unsigned char gimple_rhs_class_table[]; + +/* Error out if a gimple tuple is addressed incorrectly. */ +#if defined ENABLE_GIMPLE_CHECKING +extern void gimple_check_failed (const_gimple, const char *, int, \ + const char *, enum gimple_code, \ + enum tree_code) ATTRIBUTE_NORETURN; +extern void gimple_range_check_failed (const_gimple, const char *, int, \ + const char *, enum gimple_code, \ + enum gimple_code) ATTRIBUTE_NORETURN; + +#define GIMPLE_CHECK(GS, CODE) \ + do { \ + const_gimple __gs = (GS); \ + if (gimple_code (__gs) != (CODE)) \ + gimple_check_failed (__gs, __FILE__, __LINE__, __FUNCTION__, \ + (CODE), 0); \ + } while (0) +#else /* not ENABLE_GIMPLE_CHECKING */ +#define GIMPLE_CHECK(GS, CODE) (void)0 +#endif + +/* Class of GIMPLE expressions suitable for the RHS of assignments. See + get_gimple_rhs_class. */ +enum gimple_rhs_class +{ + GIMPLE_INVALID_RHS, /* The expression cannot be used on the RHS. */ + GIMPLE_BINARY_RHS, /* The expression is a binary operation. */ + GIMPLE_UNARY_RHS, /* The expression is a unary operation. */ + GIMPLE_SINGLE_RHS /* The expression is a single object (an SSA + name, a _DECL, a _REF, etc. */ +}; + +/* Specific flags for individual GIMPLE statements. These flags are + always stored in gimple_statement_base.subcode and they may only be + defined for statement codes that do not use sub-codes. + + Values for the masks can overlap as long as the overlapping values + are never used in the same statement class. + + The maximum mask value that can be defined is 1 << 15 (i.e., each + statement code can hold up to 16 bitflags). + + Keep this list sorted. */ +enum gf_mask { + GF_ASM_INPUT = 1 << 0, + GF_ASM_VOLATILE = 1 << 1, + GF_CALL_CANNOT_INLINE = 1 << 0, + GF_CALL_FROM_THUNK = 1 << 1, + GF_CALL_RETURN_SLOT_OPT = 1 << 2, + GF_CALL_TAILCALL = 1 << 3, + GF_CALL_VA_ARG_PACK = 1 << 4, + GF_OMP_PARALLEL_COMBINED = 1 << 0, + + /* True on an GIMPLE_OMP_RETURN statement if the return does not require + a thread synchronization via some sort of barrier. The exact barrier + that would otherwise be emitted is dependent on the OMP statement with + which this return is associated. */ + GF_OMP_RETURN_NOWAIT = 1 << 0, + + GF_OMP_SECTION_LAST = 1 << 0, + GF_PREDICT_TAKEN = 1 << 15 +}; + +/* Masks for selecting a pass local flag (PLF) to work on. These + masks are used by gimple_set_plf and gimple_plf. */ +enum plf_mask { + GF_PLF_1 = 1 << 0, + GF_PLF_2 = 1 << 1 +}; + +/* A node in a gimple_seq_d. */ +struct gimple_seq_node_d GTY((chain_next ("%h.next"), chain_prev ("%h.prev"))) +{ + gimple stmt; + struct gimple_seq_node_d *prev; + struct gimple_seq_node_d *next; +}; + +/* A double-linked sequence of gimple statements. */ +struct gimple_seq_d GTY ((chain_next ("%h.next_free"))) +{ + /* First and last statements in the sequence. */ + gimple_seq_node first; + gimple_seq_node last; + + /* Sequences are created/destroyed frequently. To minimize + allocation activity, deallocated sequences are kept in a pool of + available sequences. This is the pointer to the next free + sequence in the pool. */ + gimple_seq next_free; +}; + + +/* Return the first node in GIMPLE sequence S. */ + +static inline gimple_seq_node +gimple_seq_first (const_gimple_seq s) +{ + return s ? s->first : NULL; +} + + +/* Return the first statement in GIMPLE sequence S. */ + +static inline gimple +gimple_seq_first_stmt (const_gimple_seq s) +{ + gimple_seq_node n = gimple_seq_first (s); + return (n) ? n->stmt : NULL; +} + + +/* Return the last node in GIMPLE sequence S. */ + +static inline gimple_seq_node +gimple_seq_last (const_gimple_seq s) +{ + return s ? s->last : NULL; +} + + +/* Return the last statement in GIMPLE sequence S. */ + +static inline gimple +gimple_seq_last_stmt (const_gimple_seq s) +{ + gimple_seq_node n = gimple_seq_last (s); + return (n) ? n->stmt : NULL; +} + + +/* Set the last node in GIMPLE sequence S to LAST. */ + +static inline void +gimple_seq_set_last (gimple_seq s, gimple_seq_node last) +{ + s->last = last; +} + + +/* Set the first node in GIMPLE sequence S to FIRST. */ + +static inline void +gimple_seq_set_first (gimple_seq s, gimple_seq_node first) +{ + s->first = first; +} + + +/* Return true if GIMPLE sequence S is empty. */ + +static inline bool +gimple_seq_empty_p (const_gimple_seq s) +{ + return s == NULL || s->first == NULL; +} + + +void gimple_seq_add_stmt (gimple_seq *, gimple); + +/* Allocate a new sequence and initialize its first element with STMT. */ + +static inline gimple_seq +gimple_seq_alloc_with_stmt (gimple stmt) +{ + gimple_seq seq = NULL; + gimple_seq_add_stmt (&seq, stmt); + return seq; +} + + +/* Returns the sequence of statements in BB. */ + +static inline gimple_seq +bb_seq (const_basic_block bb) +{ + return (!(bb->flags & BB_RTL) && bb->il.gimple) ? bb->il.gimple->seq : NULL; +} + + +/* Sets the sequence of statements in BB to SEQ. */ + +static inline void +set_bb_seq (basic_block bb, gimple_seq seq) +{ + gcc_assert (!(bb->flags & BB_RTL)); + bb->il.gimple->seq = seq; +} + +/* Iterator object for GIMPLE statement sequences. */ + +typedef struct +{ + /* Sequence node holding the current statement. */ + gimple_seq_node ptr; + + /* Sequence and basic block holding the statement. These fields + are necessary to handle edge cases such as when statement is + added to an empty basic block or when the last statement of a + block/sequence is removed. */ + gimple_seq seq; + basic_block bb; +} gimple_stmt_iterator; + + +/* Data structure definitions for GIMPLE tuples. NOTE: word markers + are for 64 bit hosts. */ + +struct gimple_statement_base GTY(()) +{ + /* [ WORD 1 ] + Main identifying code for a tuple. */ + ENUM_BITFIELD(gimple_code) code : 8; + + /* Nonzero if a warning should not be emitted on this tuple. */ + unsigned int no_warning : 1; + + /* Nonzero if this tuple has been visited. Passes are responsible + for clearing this bit before using it. */ + unsigned int visited : 1; + + /* Nonzero if this tuple represents a non-temporal move. */ + unsigned int nontemporal_move : 1; + + /* Pass local flags. These flags are free for any pass to use as + they see fit. Passes should not assume that these flags contain + any useful value when the pass starts. Any initial state that + the pass requires should be set on entry to the pass. See + gimple_set_plf and gimple_plf for usage. */ + unsigned int plf : 2; + + /* Nonzero if this statement has been modified and needs to have its + operands rescanned. */ + unsigned modified : 1; + + /* Nonzero if this statement contains volatile operands. */ + unsigned has_volatile_ops : 1; + + /* Nonzero if this statement contains memory refernces. */ + unsigned references_memory_p : 1; + + /* The SUBCODE field can be used for tuple-specific flags for tuples + that do not require subcodes. Note that SUBCODE should be at + least as wide as tree codes, as several tuples store tree codes + in there. */ + unsigned int subcode : 16; + + /* UID of this statement. */ + unsigned uid; + + /* [ WORD 2 ] + Locus information for debug info. */ + location_t location; + + /* Number of operands in this tuple. */ + unsigned num_ops; + + /* [ WORD 3 ] + Basic block holding this statement. */ + struct basic_block_def *bb; + + /* [ WORD 4 ] + Lexical block holding this statement. */ + tree block; +}; + + +/* Base structure for tuples with operands. */ + +struct gimple_statement_with_ops_base GTY(()) +{ + /* [ WORD 1-4 ] */ + struct gimple_statement_base gsbase; + + /* [ WORD 5 ] + Symbols whose addresses are taken by this statement (i.e., they + appear inside ADDR_EXPR nodes). */ + bitmap GTY((skip (""))) addresses_taken; + + /* [ WORD 6-7 ] + SSA operand vectors. NOTE: It should be possible to + amalgamate these vectors with the operand vector OP. However, + the SSA operand vectors are organized differently and contain + more information (like immediate use chaining). */ + struct def_optype_d GTY((skip (""))) *def_ops; + struct use_optype_d GTY((skip (""))) *use_ops; +}; + + +/* Statements that take register operands. */ + +struct gimple_statement_with_ops GTY(()) +{ + /* [ WORD 1-7 ] */ + struct gimple_statement_with_ops_base opbase; + + /* [ WORD 8 ] + Operand vector. NOTE! This must always be the last field + of this structure. In particular, this means that this + structure cannot be embedded inside another one. */ + tree GTY((length ("%h.opbase.gsbase.num_ops"))) op[1]; +}; + + +/* Base for statements that take both memory and register operands. */ + +struct gimple_statement_with_memory_ops_base GTY(()) +{ + /* [ WORD 1-7 ] */ + struct gimple_statement_with_ops_base opbase; + + /* [ WORD 8-9 ] + Vectors for virtual operands. */ + struct voptype_d GTY((skip (""))) *vdef_ops; + struct voptype_d GTY((skip (""))) *vuse_ops; + + /* [ WORD 9-10 ] + Symbols stored/loaded by this statement. */ + bitmap GTY((skip (""))) stores; + bitmap GTY((skip (""))) loads; +}; + + +/* Statements that take both memory and register operands. */ + +struct gimple_statement_with_memory_ops GTY(()) +{ + /* [ WORD 1-10 ] */ + struct gimple_statement_with_memory_ops_base membase; + + /* [ WORD 11 ] + Operand vector. NOTE! This must always be the last field + of this structure. In particular, this means that this + structure cannot be embedded inside another one. */ + tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1]; +}; + + +/* OpenMP statements (#pragma omp). */ + +struct gimple_statement_omp GTY(()) +{ + /* [ WORD 1-4 ] */ + struct gimple_statement_base gsbase; + + /* [ WORD 5 ] */ + gimple_seq body; +}; + + +/* GIMPLE_BIND */ + +struct gimple_statement_bind GTY(()) +{ + /* [ WORD 1-4 ] */ + struct gimple_statement_base gsbase; + + /* [ WORD 5 ] + Variables declared in this scope. */ + tree vars; + + /* [ WORD 6 ] + This is different than the BLOCK field in gimple_statement_base, + which is analogous to TREE_BLOCK (i.e., the lexical block holding + this statement). This field is the equivalent of BIND_EXPR_BLOCK + in tree land (i.e., the lexical scope defined by this bind). See + gimple-low.c. */ + tree block; + + /* [ WORD 7 ] */ + gimple_seq body; +}; + + +/* GIMPLE_CATCH */ + +struct gimple_statement_catch GTY(()) +{ + /* [ WORD 1-4 ] */ + struct gimple_statement_base gsbase; + + /* [ WORD 5 ] */ + tree types; + + /* [ WORD 6 ] */ + gimple_seq handler; +}; + + +/* GIMPLE_EH_FILTER */ + +struct gimple_statement_eh_filter GTY(()) +{ + /* [ WORD 1-4 ] */ + struct gimple_statement_base gsbase; + + /* Subcode: EH_FILTER_MUST_NOT_THROW. A boolean flag analogous to + the tree counterpart. */ + + /* [ WORD 5 ] + Filter types. */ + tree types; + + /* [ WORD 6 ] + Failure actions. */ + gimple_seq failure; +}; + + +/* GIMPLE_PHI */ + +struct gimple_statement_phi GTY(()) +{ + /* [ WORD 1-4 ] */ + struct gimple_statement_base gsbase; + + /* [ WORD 5 ] */ + unsigned capacity; + unsigned nargs; + + /* [ WORD 6 ] */ + tree result; + + /* [ WORD 7 ] */ + struct phi_arg_d GTY ((length ("%h.nargs"))) args[1]; +}; + + +/* GIMPLE_RESX */ + +struct gimple_statement_resx GTY(()) +{ + /* [ WORD 1-4 ] */ + struct gimple_statement_base gsbase; + + /* [ WORD 5 ] + Exception region number. */ + int region; +}; + + +/* GIMPLE_TRY */ + +struct gimple_statement_try GTY(()) +{ + /* [ WORD 1-4 ] */ + struct gimple_statement_base gsbase; + + /* [ WORD 5 ] + Expression to evaluate. */ + gimple_seq eval; + + /* [ WORD 6 ] + Cleanup expression. */ + gimple_seq cleanup; +}; + +/* Kind of GIMPLE_TRY statements. */ +enum gimple_try_flags +{ + /* A try/catch. */ + GIMPLE_TRY_CATCH = 1 << 0, + + /* A try/finally. */ + GIMPLE_TRY_FINALLY = 1 << 1, + GIMPLE_TRY_KIND = GIMPLE_TRY_CATCH | GIMPLE_TRY_FINALLY, + + /* Analogous to TRY_CATCH_IS_CLEANUP. */ + GIMPLE_TRY_CATCH_IS_CLEANUP = 1 << 2 +}; + +/* GIMPLE_WITH_CLEANUP_EXPR */ + +struct gimple_statement_wce GTY(()) +{ + /* [ WORD 1-4 ] */ + struct gimple_statement_base gsbase; + + /* Subcode: CLEANUP_EH_ONLY. True if the cleanup should only be + executed if an exception is thrown, not on normal exit of its + scope. This flag is analogous to the CLEANUP_EH_ONLY flag + in TARGET_EXPRs. */ + + /* [ WORD 5 ] + Cleanup expression. */ + gimple_seq cleanup; +}; + + +/* GIMPLE_ASM */ + +struct gimple_statement_asm GTY(()) +{ + /* [ WORD 1-10 ] */ + struct gimple_statement_with_memory_ops_base membase; + + /* [ WORD 11 ] + __asm__ statement. */ + const char *string; + + /* [ WORD 12 ] + Number of inputs, outputs and clobbers. */ + unsigned char ni; + unsigned char no; + unsigned short nc; + + /* [ WORD 13 ] + Operand vector. NOTE! This must always be the last field + of this structure. In particular, this means that this + structure cannot be embedded inside another one. */ + tree GTY((length ("%h.membase.opbase.gsbase.num_ops"))) op[1]; +}; + +/* GIMPLE_OMP_CRITICAL */ + +struct gimple_statement_omp_critical GTY(()) +{ + /* [ WORD 1-5 ] */ + struct gimple_statement_omp omp; + + /* [ WORD 6 ] + Critical section name. */ + tree name; +}; + + +struct gimple_omp_for_iter GTY(()) +{ + /* Condition code. */ + enum tree_code cond; + + /* Index variable. */ + tree index; + + /* Initial value. */ + tree initial; + + /* Final value. */ + tree final; + + /* Increment. */ + tree incr; +}; + +/* GIMPLE_OMP_FOR */ + +struct gimple_statement_omp_for GTY(()) +{ + /* [ WORD 1-5 ] */ + struct gimple_statement_omp omp; + + /* [ WORD 6 ] */ + tree clauses; + + /* [ WORD 7 ] + Number of elements in iter array. */ + size_t collapse; + + /* [ WORD 8 ] */ + struct gimple_omp_for_iter * GTY((length ("%h.collapse"))) iter; + + /* [ WORD 9 ] + Pre-body evaluated before the loop body begins. */ + gimple_seq pre_body; +}; + + +/* GIMPLE_OMP_PARALLEL */ + +struct gimple_statement_omp_parallel GTY(()) +{ + /* [ WORD 1-5 ] */ + struct gimple_statement_omp omp; + + /* [ WORD 6 ] + Clauses. */ + tree clauses; + + /* [ WORD 7 ] + Child function holding the body of the parallel region. */ + tree child_fn; + + /* [ WORD 8 ] + Shared data argument. */ + tree data_arg; +}; + + +/* GIMPLE_OMP_TASK */ + +struct gimple_statement_omp_task GTY(()) +{ + /* [ WORD 1-8 ] */ + struct gimple_statement_omp_parallel par; + + /* [ WORD 9 ] + Child function holding firstprivate initialization if needed. */ + tree copy_fn; + + /* [ WORD 10-11 ] + Size and alignment in bytes of the argument data block. */ + tree arg_size; + tree arg_align; +}; + + +/* GIMPLE_OMP_SECTION */ +/* Uses struct gimple_statement_omp. */ + + +/* GIMPLE_OMP_SECTIONS */ + +struct gimple_statement_omp_sections GTY(()) +{ + /* [ WORD 1-5 ] */ + struct gimple_statement_omp omp; + + /* [ WORD 6 ] */ + tree clauses; + + /* [ WORD 7 ] + The control variable used for deciding which of the sections to + execute. */ + tree control; +}; + +/* GIMPLE_OMP_CONTINUE. + + Note: This does not inherit from gimple_statement_omp, because we + do not need the body field. */ + +struct gimple_statement_omp_continue GTY(()) +{ + /* [ WORD 1-4 ] */ + struct gimple_statement_base gsbase; + + /* [ WORD 5 ] */ + tree control_def; + + /* [ WORD 6 ] */ + tree control_use; +}; + +/* GIMPLE_OMP_SINGLE */ + +struct gimple_statement_omp_single GTY(()) +{ + /* [ WORD 1-5 ] */ + struct gimple_statement_omp omp; + + /* [ WORD 6 ] */ + tree clauses; +}; + + +/* GIMPLE_OMP_ATOMIC_LOAD. + Note: This is based on gimple_statement_base, not g_s_omp, because g_s_omp + contains a sequence, which we don't need here. */ + +struct gimple_statement_omp_atomic_load GTY(()) +{ + /* [ WORD 1-4 ] */ + struct gimple_statement_base gsbase; + + /* [ WORD 5-6 ] */ + tree rhs, lhs; +}; + +/* GIMPLE_OMP_ATOMIC_STORE. + See note on GIMPLE_OMP_ATOMIC_LOAD. */ + +struct gimple_statement_omp_atomic_store GTY(()) +{ + /* [ WORD 1-4 ] */ + struct gimple_statement_base gsbase; + + /* [ WORD 5 ] */ + tree val; +}; + +enum gimple_statement_structure_enum { +#define DEFGSSTRUCT(SYM, STRING) SYM, +#include "gsstruct.def" +#undef DEFGSSTRUCT + LAST_GSS_ENUM +}; + + +/* Define the overall contents of a gimple tuple. It may be any of the + structures declared above for various types of tuples. */ + +union gimple_statement_d GTY ((desc ("gimple_statement_structure (&%h)"))) +{ + struct gimple_statement_base GTY ((tag ("GSS_BASE"))) gsbase; + struct gimple_statement_with_ops GTY ((tag ("GSS_WITH_OPS"))) gsops; + struct gimple_statement_with_memory_ops GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem; + struct gimple_statement_omp GTY ((tag ("GSS_OMP"))) omp; + struct gimple_statement_bind GTY ((tag ("GSS_BIND"))) gimple_bind; + struct gimple_statement_catch GTY ((tag ("GSS_CATCH"))) gimple_catch; + struct gimple_statement_eh_filter GTY ((tag ("GSS_EH_FILTER"))) gimple_eh_filter; + struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi; + struct gimple_statement_resx GTY ((tag ("GSS_RESX"))) gimple_resx; + struct gimple_statement_try GTY ((tag ("GSS_TRY"))) gimple_try; + struct gimple_statement_wce GTY ((tag ("GSS_WCE"))) gimple_wce; + struct gimple_statement_asm GTY ((tag ("GSS_ASM"))) gimple_asm; + struct gimple_statement_omp_critical GTY ((tag ("GSS_OMP_CRITICAL"))) gimple_omp_critical; + struct gimple_statement_omp_for GTY ((tag ("GSS_OMP_FOR"))) gimple_omp_for; + struct gimple_statement_omp_parallel GTY ((tag ("GSS_OMP_PARALLEL"))) gimple_omp_parallel; + struct gimple_statement_omp_task GTY ((tag ("GSS_OMP_TASK"))) gimple_omp_task; + struct gimple_statement_omp_sections GTY ((tag ("GSS_OMP_SECTIONS"))) gimple_omp_sections; + struct gimple_statement_omp_single GTY ((tag ("GSS_OMP_SINGLE"))) gimple_omp_single; + struct gimple_statement_omp_continue GTY ((tag ("GSS_OMP_CONTINUE"))) gimple_omp_continue; + struct gimple_statement_omp_atomic_load GTY ((tag ("GSS_OMP_ATOMIC_LOAD"))) gimple_omp_atomic_load; + struct gimple_statement_omp_atomic_store GTY ((tag ("GSS_OMP_ATOMIC_STORE"))) gimple_omp_atomic_store; +}; + +/* In gimple.c. */ +gimple gimple_build_return (tree); + +gimple gimple_build_assign_stat (tree, tree MEM_STAT_DECL); +#define gimple_build_assign(l,r) gimple_build_assign_stat (l, r MEM_STAT_INFO) + +void extract_ops_from_tree (tree, enum tree_code *, tree *, tree *); + +gimple gimple_build_assign_with_ops_stat (enum tree_code, tree, tree, + tree MEM_STAT_DECL); +#define gimple_build_assign_with_ops(c,o1,o2,o3) \ + gimple_build_assign_with_ops_stat (c, o1, o2, o3 MEM_STAT_INFO) + +gimple gimple_build_call_vec (tree, VEC(tree, heap) *); +gimple gimple_build_call (tree, unsigned, ...); +gimple gimple_build_call_from_tree (tree); +gimple gimplify_assign (tree, tree, gimple_seq *); +gimple gimple_build_cond (enum tree_code, tree, tree, tree, tree); +gimple gimple_build_label (tree label); +gimple gimple_build_goto (tree dest); +gimple gimple_build_nop (void); +gimple gimple_build_bind (tree, gimple_seq, tree); +gimple gimple_build_asm (const char *, unsigned, unsigned, unsigned, ...); +gimple gimple_build_asm_vec (const char *, VEC(tree,gc) *, VEC(tree,gc) *, + VEC(tree,gc) *); +gimple gimple_build_catch (tree, gimple_seq); +gimple gimple_build_eh_filter (tree, gimple_seq); +gimple gimple_build_try (gimple_seq, gimple_seq, unsigned int); +gimple gimple_build_wce (gimple_seq); +gimple gimple_build_resx (int); +gimple gimple_build_switch (unsigned, tree, tree, ...); +gimple gimple_build_switch_vec (tree, tree, VEC(tree,heap) *); +gimple gimple_build_omp_parallel (gimple_seq, tree, tree, tree); +gimple gimple_build_omp_task (gimple_seq, tree, tree, tree, tree, tree, tree); +gimple gimple_build_omp_for (gimple_seq, tree, size_t, gimple_seq); +gimple gimple_build_omp_critical (gimple_seq, tree); +gimple gimple_build_omp_section (gimple_seq); +gimple gimple_build_omp_continue (tree, tree); +gimple gimple_build_omp_master (gimple_seq); +gimple gimple_build_omp_return (bool); +gimple gimple_build_omp_ordered (gimple_seq); +gimple gimple_build_omp_sections (gimple_seq, tree); +gimple gimple_build_omp_sections_switch (void); +gimple gimple_build_omp_single (gimple_seq, tree); +gimple gimple_build_cdt (tree, tree); +gimple gimple_build_omp_atomic_load (tree, tree); +gimple gimple_build_omp_atomic_store (tree); +gimple gimple_build_predict (enum br_predictor, enum prediction); +enum gimple_statement_structure_enum gimple_statement_structure (gimple); +enum gimple_statement_structure_enum gss_for_assign (enum tree_code); +void sort_case_labels (VEC(tree,heap) *); +void gimple_set_body (tree, gimple_seq); +gimple_seq gimple_body (tree); +gimple_seq gimple_seq_alloc (void); +void gimple_seq_free (gimple_seq); +void gimple_seq_add_seq (gimple_seq *, gimple_seq); +gimple_seq gimple_seq_copy (gimple_seq); +int gimple_call_flags (const_gimple); +bool gimple_assign_copy_p (gimple); +bool gimple_assign_ssa_name_copy_p (gimple); +bool gimple_assign_single_p (gimple); +bool gimple_assign_unary_nop_p (gimple); +void gimple_set_bb (gimple, struct basic_block_def *); +tree gimple_fold (const_gimple); +void gimple_assign_set_rhs_from_tree (gimple_stmt_iterator *, tree); +void gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *, enum tree_code, + tree, tree); +tree gimple_get_lhs (const_gimple); +void gimple_set_lhs (gimple, tree); +gimple gimple_copy (gimple); +bool is_gimple_operand (const_tree); +void gimple_set_modified (gimple, bool); +void gimple_cond_get_ops_from_tree (tree, enum tree_code *, tree *, tree *); +gimple gimple_build_cond_from_tree (tree, tree, tree); +void gimple_cond_set_condition_from_tree (gimple, tree); +bool gimple_has_side_effects (const_gimple); +bool gimple_rhs_has_side_effects (const_gimple); +bool gimple_could_trap_p (gimple); +bool gimple_assign_rhs_could_trap_p (gimple); +void gimple_regimplify_operands (gimple, gimple_stmt_iterator *); +bool empty_body_p (gimple_seq); +unsigned get_gimple_rhs_num_ops (enum tree_code); + +/* Returns true iff T is a valid GIMPLE statement. */ +extern bool is_gimple_stmt (tree); + +/* Returns true iff TYPE is a valid type for a scalar register variable. */ +extern bool is_gimple_reg_type (tree); +/* Returns true iff T is a scalar register variable. */ +extern bool is_gimple_reg (tree); +/* Returns true if T is a GIMPLE temporary variable, false otherwise. */ +extern bool is_gimple_formal_tmp_var (tree); +/* Returns true if T is a GIMPLE temporary register variable. */ +extern bool is_gimple_formal_tmp_reg (tree); +/* Returns true iff T is any sort of variable. */ +extern bool is_gimple_variable (tree); +/* Returns true iff T is any sort of symbol. */ +extern bool is_gimple_id (tree); +/* Returns true iff T is a variable or an INDIRECT_REF (of a variable). */ +extern bool is_gimple_min_lval (tree); +/* Returns true iff T is something whose address can be taken. */ +extern bool is_gimple_addressable (tree); +/* Returns true iff T is any valid GIMPLE lvalue. */ +extern bool is_gimple_lvalue (tree); + +/* Returns true iff T is a GIMPLE address. */ +bool is_gimple_address (const_tree); +/* Returns true iff T is a GIMPLE invariant address. */ +bool is_gimple_invariant_address (const_tree); +/* Returns true iff T is a valid GIMPLE constant. */ +bool is_gimple_constant (const_tree); +/* Returns true iff T is a GIMPLE restricted function invariant. */ +extern bool is_gimple_min_invariant (const_tree); +/* Returns true iff T is a GIMPLE rvalue. */ +extern bool is_gimple_val (tree); +/* Returns true iff T is a GIMPLE asm statement input. */ +extern bool is_gimple_asm_val (tree); +/* Returns true iff T is a valid rhs for a MODIFY_EXPR where the LHS is a + GIMPLE temporary, a renamed user variable, or something else, + respectively. */ +extern bool is_gimple_formal_tmp_rhs (tree); +extern bool is_gimple_reg_rhs (tree); +extern bool is_gimple_mem_rhs (tree); + +/* Returns true iff T is a valid if-statement condition. */ +extern bool is_gimple_condexpr (tree); + +/* Returns true iff T is a type conversion. */ +extern bool is_gimple_cast (tree); +/* Returns true iff T is a variable that does not need to live in memory. */ +extern bool is_gimple_non_addressable (tree t); + +/* Returns true iff T is a valid call address expression. */ +extern bool is_gimple_call_addr (tree); +/* If T makes a function call, returns the CALL_EXPR operand. */ +extern tree get_call_expr_in (tree t); + +extern void recalculate_side_effects (tree); + +/* In gimplify.c */ +extern tree create_tmp_var_raw (tree, const char *); +extern tree create_tmp_var_name (const char *); +extern tree create_tmp_var (tree, const char *); +extern tree get_initialized_tmp_var (tree, gimple_seq *, gimple_seq *); +extern tree get_formal_tmp_var (tree, gimple_seq *); +extern void declare_vars (tree, gimple, bool); +extern void tree_annotate_all_with_location (tree *, location_t); +extern void annotate_all_with_location (gimple_seq, location_t); + +/* Validation of GIMPLE expressions. Note that these predicates only check + the basic form of the expression, they don't recurse to make sure that + underlying nodes are also of the right form. */ +typedef bool (*gimple_predicate)(tree); + + +/* FIXME we should deduce this from the predicate. */ +typedef enum fallback_t { + fb_none = 0, /* Do not generate a temporary. */ + + fb_rvalue = 1, /* Generate an rvalue to hold the result of a + gimplified expression. */ + + fb_lvalue = 2, /* Generate an lvalue to hold the result of a + gimplified expression. */ + + fb_mayfail = 4, /* Gimplification may fail. Error issued + afterwards. */ + fb_either= fb_rvalue | fb_lvalue +} fallback_t; + +enum gimplify_status { + GS_ERROR = -2, /* Something Bad Seen. */ + GS_UNHANDLED = -1, /* A langhook result for "I dunno". */ + GS_OK = 0, /* We did something, maybe more to do. */ + GS_ALL_DONE = 1 /* The expression is fully gimplified. */ +}; + +struct gimplify_ctx +{ + struct gimplify_ctx *prev_context; + + VEC(gimple,heap) *bind_expr_stack; + tree temps; + gimple_seq conditional_cleanups; + tree exit_label; + tree return_temp; + + VEC(tree,heap) *case_labels; + /* The formal temporary table. Should this be persistent? */ + htab_t temp_htab; + + int conditions; + bool save_stack; + bool into_ssa; + bool allow_rhs_cond_expr; +}; + +extern enum gimplify_status gimplify_expr (tree *, gimple_seq *, gimple_seq *, + bool (*) (tree), fallback_t); +extern void gimplify_type_sizes (tree, gimple_seq *); +extern void gimplify_one_sizepos (tree *, gimple_seq *); +extern bool gimplify_stmt (tree *, gimple_seq *); +extern gimple gimplify_body (tree *, tree, bool); +extern void push_gimplify_context (struct gimplify_ctx *); +extern void pop_gimplify_context (gimple); +extern void gimplify_and_add (tree, gimple_seq *); + +/* Miscellaneous helpers. */ +extern void gimple_add_tmp_var (tree); +extern gimple gimple_current_bind_expr (void); +extern VEC(gimple, heap) *gimple_bind_expr_stack (void); +extern tree voidify_wrapper_expr (tree, tree); +extern tree build_and_jump (tree *); +extern tree alloc_stmt_list (void); +extern void free_stmt_list (tree); +extern tree force_labels_r (tree *, int *, void *); +extern enum gimplify_status gimplify_va_arg_expr (tree *, gimple_seq *, + gimple_seq *); +struct gimplify_omp_ctx; +extern void omp_firstprivatize_variable (struct gimplify_omp_ctx *, tree); +extern tree gimple_boolify (tree); +extern gimple_predicate rhs_predicate_for (tree); +extern tree canonicalize_cond_expr_cond (tree); + +/* In omp-low.c. */ +extern void diagnose_omp_structured_block_errors (tree); +extern tree omp_reduction_init (tree, tree); + +/* In tree-nested.c. */ +extern void lower_nested_functions (tree); +extern void insert_field_into_struct (tree, tree); + +/* In gimplify.c. */ +extern void gimplify_function_tree (tree); + +/* In cfgexpand.c. */ +extern tree gimple_assign_rhs_to_tree (gimple); + +/* In builtins.c */ +extern bool validate_gimple_arglist (const_gimple, ...); + +/* In tree-ssa-operands.c */ +extern void gimple_add_to_addresses_taken (gimple, tree); + +/* In tree-ssa.c */ +extern bool tree_ssa_useless_type_conversion (tree); +extern bool useless_type_conversion_p (tree, tree); +extern bool types_compatible_p (tree, tree); + +/* Return the code for GIMPLE statement G. */ + +static inline enum gimple_code +gimple_code (const_gimple g) +{ + return g->gsbase.code; +} + + +/* Return true if statement G has sub-statements. This is only true for + High GIMPLE statements. */ + +static inline bool +gimple_has_substatements (gimple g) +{ + switch (gimple_code (g)) + { + case GIMPLE_BIND: + case GIMPLE_CATCH: + case GIMPLE_EH_FILTER: + case GIMPLE_TRY: + case GIMPLE_OMP_FOR: + case GIMPLE_OMP_MASTER: + case GIMPLE_OMP_ORDERED: + case GIMPLE_OMP_SECTION: + case GIMPLE_OMP_PARALLEL: + case GIMPLE_OMP_TASK: + case GIMPLE_OMP_SECTIONS: + case GIMPLE_OMP_SINGLE: + case GIMPLE_WITH_CLEANUP_EXPR: + return true; + + default: + return false; + } +} + + +/* Return the basic block holding statement G. */ + +static inline struct basic_block_def * +gimple_bb (const_gimple g) +{ + return g->gsbase.bb; +} + + +/* Return the lexical scope block holding statement G. */ + +static inline tree +gimple_block (const_gimple g) +{ + return g->gsbase.block; +} + + +/* Set BLOCK to be the lexical scope block holding statement G. */ + +static inline void +gimple_set_block (gimple g, tree block) +{ + g->gsbase.block = block; +} + + +/* Return location information for statement G. */ + +static inline location_t +gimple_location (const_gimple g) +{ + return g->gsbase.location; +} + +/* Return pointer to location information for statement G. */ + +static inline const location_t * +gimple_location_ptr (const_gimple g) +{ + return &g->gsbase.location; +} + + +/* Set location information for statement G. */ + +static inline void +gimple_set_location (gimple g, location_t location) +{ + g->gsbase.location = location; +} + + +/* Return true if G contains location information. */ + +static inline bool +gimple_has_location (const_gimple g) +{ + return gimple_location (g) != UNKNOWN_LOCATION; +} + + +/* Return the file name of the location of STMT. */ + +static inline const char * +gimple_filename (const_gimple stmt) +{ + return LOCATION_FILE (gimple_location (stmt)); +} + + +/* Return the line number of the location of STMT. */ + +static inline int +gimple_lineno (const_gimple stmt) +{ + return LOCATION_LINE (gimple_location (stmt)); +} + + +/* Determine whether SEQ is a singleton. */ + +static inline bool +gimple_seq_singleton_p (gimple_seq seq) +{ + return ((gimple_seq_first (seq) != NULL) + && (gimple_seq_first (seq) == gimple_seq_last (seq))); +} + +/* Return true if no warnings should be emitted for statement STMT. */ + +static inline bool +gimple_no_warning_p (const_gimple stmt) +{ + return stmt->gsbase.no_warning; +} + +/* Set the no_warning flag of STMT to NO_WARNING. */ + +static inline void +gimple_set_no_warning (gimple stmt, bool no_warning) +{ + stmt->gsbase.no_warning = (unsigned) no_warning; +} + +/* Set the visited status on statement STMT to VISITED_P. */ + +static inline void +gimple_set_visited (gimple stmt, bool visited_p) +{ + stmt->gsbase.visited = (unsigned) visited_p; +} + + +/* Return the visited status for statement STMT. */ + +static inline bool +gimple_visited_p (gimple stmt) +{ + return stmt->gsbase.visited; +} + + +/* Set pass local flag PLF on statement STMT to VAL_P. */ + +static inline void +gimple_set_plf (gimple stmt, enum plf_mask plf, bool val_p) +{ + if (val_p) + stmt->gsbase.plf |= (unsigned int) plf; + else + stmt->gsbase.plf &= ~((unsigned int) plf); +} + + +/* Return the value of pass local flag PLF on statement STMT. */ + +static inline unsigned int +gimple_plf (gimple stmt, enum plf_mask plf) +{ + return stmt->gsbase.plf & ((unsigned int) plf); +} + + +/* Set the uid of statement */ + +static inline void +gimple_set_uid (gimple g, unsigned uid) +{ + g->gsbase.uid = uid; +} + + +/* Return the uid of statement */ + +static inline unsigned +gimple_uid (const_gimple g) +{ + return g->gsbase.uid; +} + + +/* Return true if GIMPLE statement G has register or memory operands. */ + +static inline bool +gimple_has_ops (const_gimple g) +{ + return gimple_code (g) >= GIMPLE_COND && gimple_code (g) <= GIMPLE_RETURN; +} + + +/* Return true if GIMPLE statement G has memory operands. */ + +static inline bool +gimple_has_mem_ops (const_gimple g) +{ + return gimple_code (g) >= GIMPLE_ASSIGN && gimple_code (g) <= GIMPLE_RETURN; +} + +/* Return the set of addresses taken by statement G. */ + +static inline bitmap +gimple_addresses_taken (const_gimple g) +{ + if (gimple_has_ops (g)) + return g->gsops.opbase.addresses_taken; + else + return NULL; +} + + +/* Return a pointer to the set of addresses taken by statement G. */ + +static inline bitmap * +gimple_addresses_taken_ptr (gimple g) +{ + if (gimple_has_ops (g)) + return &g->gsops.opbase.addresses_taken; + else + return NULL; +} + + +/* Set B to be the set of addresses taken by statement G. The + previous set is freed. */ + +static inline void +gimple_set_addresses_taken (gimple g, bitmap b) +{ + gcc_assert (gimple_has_ops (g)); + BITMAP_FREE (g->gsops.opbase.addresses_taken); + g->gsops.opbase.addresses_taken = b; +} + + +/* Return the set of DEF operands for statement G. */ + +static inline struct def_optype_d * +gimple_def_ops (const_gimple g) +{ + if (!gimple_has_ops (g)) + return NULL; + return g->gsops.opbase.def_ops; +} + + +/* Set DEF to be the set of DEF operands for statement G. */ + +static inline void +gimple_set_def_ops (gimple g, struct def_optype_d *def) +{ + gcc_assert (gimple_has_ops (g)); + g->gsops.opbase.def_ops = def; +} + + +/* Return the set of USE operands for statement G. */ + +static inline struct use_optype_d * +gimple_use_ops (const_gimple g) +{ + if (!gimple_has_ops (g)) + return NULL; + return g->gsops.opbase.use_ops; +} + + +/* Set USE to be the set of USE operands for statement G. */ + +static inline void +gimple_set_use_ops (gimple g, struct use_optype_d *use) +{ + gcc_assert (gimple_has_ops (g)); + g->gsops.opbase.use_ops = use; +} + + +/* Return the set of VUSE operands for statement G. */ + +static inline struct voptype_d * +gimple_vuse_ops (const_gimple g) +{ + if (!gimple_has_mem_ops (g)) + return NULL; + return g->gsmem.membase.vuse_ops; +} + + +/* Set OPS to be the set of VUSE operands for statement G. */ + +static inline void +gimple_set_vuse_ops (gimple g, struct voptype_d *ops) +{ + gcc_assert (gimple_has_mem_ops (g)); + g->gsmem.membase.vuse_ops = ops; +} + + +/* Return the set of VDEF operands for statement G. */ + +static inline struct voptype_d * +gimple_vdef_ops (const_gimple g) +{ + if (!gimple_has_mem_ops (g)) + return NULL; + return g->gsmem.membase.vdef_ops; +} + + +/* Set OPS to be the set of VDEF operands for statement G. */ + +static inline void +gimple_set_vdef_ops (gimple g, struct voptype_d *ops) +{ + gcc_assert (gimple_has_mem_ops (g)); + g->gsmem.membase.vdef_ops = ops; +} + + +/* Return the set of symbols loaded by statement G. Each element of the + set is the DECL_UID of the corresponding symbol. */ + +static inline bitmap +gimple_loaded_syms (const_gimple g) +{ + if (!gimple_has_mem_ops (g)) + return NULL; + return g->gsmem.membase.loads; +} + + +/* Return the set of symbols stored by statement G. Each element of + the set is the DECL_UID of the corresponding symbol. */ + +static inline bitmap +gimple_stored_syms (const_gimple g) +{ + if (!gimple_has_mem_ops (g)) + return NULL; + return g->gsmem.membase.stores; +} + + +/* Return true if statement G has operands and the modified field has + been set. */ + +static inline bool +gimple_modified_p (const_gimple g) +{ + return (gimple_has_ops (g)) ? (bool) g->gsbase.modified : false; +} + +/* Return the type of the main expression computed by STMT. Return + void_type_node if the statement computes nothing. */ + +static inline tree +gimple_expr_type (const_gimple stmt) +{ + enum gimple_code code = gimple_code (stmt); + + if (code == GIMPLE_ASSIGN || code == GIMPLE_CALL) + { + tree type = TREE_TYPE (gimple_get_lhs (stmt)); + /* Integral sub-types are never the type of the expression, + but they still can be the type of the result as the base + type (in which expressions are computed) is trivially + convertible to one of its sub-types. So always return + the base type here. */ + if (INTEGRAL_TYPE_P (type) + && TREE_TYPE (type) + /* But only if they are trivially convertible. */ + && useless_type_conversion_p (type, TREE_TYPE (type))) + type = TREE_TYPE (type); + return type; + } + else if (code == GIMPLE_COND) + return boolean_type_node; + else + return void_type_node; +} + + +/* Return the tree code for the expression computed by STMT. This is + only valid for GIMPLE_COND, GIMPLE_CALL and GIMPLE_ASSIGN. For + GIMPLE_CALL, return CALL_EXPR as the expression code for + consistency. This is useful when the caller needs to deal with the + three kinds of computation that GIMPLE supports. */ + +static inline enum tree_code +gimple_expr_code (const_gimple stmt) +{ + enum gimple_code code = gimple_code (stmt); + if (code == GIMPLE_ASSIGN || code == GIMPLE_COND) + return (enum tree_code) stmt->gsbase.subcode; + else if (code == GIMPLE_CALL) + return CALL_EXPR; + else + gcc_unreachable (); +} + + +/* Mark statement S as modified, and update it. */ + +static inline void +update_stmt (gimple s) +{ + if (gimple_has_ops (s)) + { + gimple_set_modified (s, true); + update_stmt_operands (s); + } +} + +/* Update statement S if it has been optimized. */ + +static inline void +update_stmt_if_modified (gimple s) +{ + if (gimple_modified_p (s)) + update_stmt_operands (s); +} + +/* Return true if statement STMT contains volatile operands. */ + +static inline bool +gimple_has_volatile_ops (const_gimple stmt) +{ + if (gimple_has_mem_ops (stmt)) + return stmt->gsbase.has_volatile_ops; + else + return false; +} + + +/* Set the HAS_VOLATILE_OPS flag to VOLATILEP. */ + +static inline void +gimple_set_has_volatile_ops (gimple stmt, bool volatilep) +{ + if (gimple_has_mem_ops (stmt)) + stmt->gsbase.has_volatile_ops = (unsigned) volatilep; +} + + +/* Return true if statement STMT may access memory. */ + +static inline bool +gimple_references_memory_p (gimple stmt) +{ + return gimple_has_mem_ops (stmt) && stmt->gsbase.references_memory_p; +} + + +/* Set the REFERENCES_MEMORY_P flag for STMT to MEM_P. */ + +static inline void +gimple_set_references_memory (gimple stmt, bool mem_p) +{ + if (gimple_has_mem_ops (stmt)) + stmt->gsbase.references_memory_p = (unsigned) mem_p; +} + +/* Return the subcode for OMP statement S. */ + +static inline unsigned +gimple_omp_subcode (const_gimple s) +{ + gcc_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD + && gimple_code (s) <= GIMPLE_OMP_SINGLE); + return s->gsbase.subcode; +} + +/* Set the subcode for OMP statement S to SUBCODE. */ + +static inline void +gimple_omp_set_subcode (gimple s, unsigned int subcode) +{ + /* We only have 16 bits for the subcode. Assert that we are not + overflowing it. */ + gcc_assert (subcode < (1 << 16)); + s->gsbase.subcode = subcode; +} + +/* Set the nowait flag on OMP_RETURN statement S. */ + +static inline void +gimple_omp_return_set_nowait (gimple s) +{ + GIMPLE_CHECK (s, GIMPLE_OMP_RETURN); + s->gsbase.subcode |= GF_OMP_RETURN_NOWAIT; +} + + +/* Return true if OMP return statement G has the GF_OMP_RETURN_NOWAIT + flag set. */ + +static inline bool +gimple_omp_return_nowait_p (const_gimple g) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_RETURN); + return (gimple_omp_subcode (g) & GF_OMP_RETURN_NOWAIT) != 0; +} + + +/* Return true if OMP section statement G has the GF_OMP_SECTION_LAST + flag set. */ + +static inline bool +gimple_omp_section_last_p (const_gimple g) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_SECTION); + return (gimple_omp_subcode (g) & GF_OMP_SECTION_LAST) != 0; +} + + +/* Set the GF_OMP_SECTION_LAST flag on G. */ + +static inline void +gimple_omp_section_set_last (gimple g) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_SECTION); + g->gsbase.subcode |= GF_OMP_SECTION_LAST; +} + + +/* Return true if OMP parallel statement G has the + GF_OMP_PARALLEL_COMBINED flag set. */ + +static inline bool +gimple_omp_parallel_combined_p (const_gimple g) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL); + return (gimple_omp_subcode (g) & GF_OMP_PARALLEL_COMBINED) != 0; +} + + +/* Set the GF_OMP_PARALLEL_COMBINED field in G depending on the boolean + value of COMBINED_P. */ + +static inline void +gimple_omp_parallel_set_combined_p (gimple g, bool combined_p) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_PARALLEL); + if (combined_p) + g->gsbase.subcode |= GF_OMP_PARALLEL_COMBINED; + else + g->gsbase.subcode &= ~GF_OMP_PARALLEL_COMBINED; +} + + +/* Return the number of operands for statement GS. */ + +static inline unsigned +gimple_num_ops (const_gimple gs) +{ + return gs->gsbase.num_ops; +} + + +/* Set the number of operands for statement GS. */ + +static inline void +gimple_set_num_ops (gimple gs, unsigned num_ops) +{ + gs->gsbase.num_ops = num_ops; +} + + +/* Return the array of operands for statement GS. */ + +static inline tree * +gimple_ops (gimple gs) +{ + /* Offset in bytes to the location of the operand vector in every + tuple structure. Defined in gimple.c */ + extern size_t const gimple_ops_offset_[]; + + if (!gimple_has_ops (gs)) + return NULL; + + /* All the tuples have their operand vector at the very bottom + of the structure. */ + return ((tree *) ((char *) gs + gimple_ops_offset_[gimple_code (gs)])); +} + + +/* Return operand I for statement GS. */ + +static inline tree +gimple_op (const_gimple gs, unsigned i) +{ + if (gimple_has_ops (gs)) + { + gcc_assert (i < gimple_num_ops (gs)); + return gimple_ops (CONST_CAST_GIMPLE (gs))[i]; + } + else + return NULL_TREE; +} + +/* Return a pointer to operand I for statement GS. */ + +static inline tree * +gimple_op_ptr (const_gimple gs, unsigned i) +{ + if (gimple_has_ops (gs)) + { + gcc_assert (i < gimple_num_ops (gs)); + return gimple_ops (CONST_CAST_GIMPLE (gs)) + i; + } + else + return NULL; +} + +/* Set operand I of statement GS to OP. */ + +static inline void +gimple_set_op (gimple gs, unsigned i, tree op) +{ + gcc_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs)); + + /* Note. It may be tempting to assert that OP matches + is_gimple_operand, but that would be wrong. Different tuples + accept slightly different sets of tree operands. Each caller + should perform its own validation. */ + gimple_ops (gs)[i] = op; +} + +/* Return true if GS is a GIMPLE_ASSIGN. */ + +static inline bool +is_gimple_assign (const_gimple gs) +{ + return gimple_code (gs) == GIMPLE_ASSIGN; +} + +/* Determine if expression CODE is one of the valid expressions that can + be used on the RHS of GIMPLE assignments. */ + +static inline enum gimple_rhs_class +get_gimple_rhs_class (enum tree_code code) +{ + return (enum gimple_rhs_class) gimple_rhs_class_table[(int) code]; +} + +/* Return the LHS of assignment statement GS. */ + +static inline tree +gimple_assign_lhs (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASSIGN); + return gimple_op (gs, 0); +} + + +/* Return a pointer to the LHS of assignment statement GS. */ + +static inline tree * +gimple_assign_lhs_ptr (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASSIGN); + return gimple_op_ptr (gs, 0); +} + + +/* Set LHS to be the LHS operand of assignment statement GS. */ + +static inline void +gimple_assign_set_lhs (gimple gs, tree lhs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASSIGN); + gcc_assert (is_gimple_operand (lhs)); + gimple_set_op (gs, 0, lhs); + + if (lhs && TREE_CODE (lhs) == SSA_NAME) + SSA_NAME_DEF_STMT (lhs) = gs; +} + + +/* Return the first operand on the RHS of assignment statement GS. */ + +static inline tree +gimple_assign_rhs1 (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASSIGN); + return gimple_op (gs, 1); +} + + +/* Return a pointer to the first operand on the RHS of assignment + statement GS. */ + +static inline tree * +gimple_assign_rhs1_ptr (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASSIGN); + return gimple_op_ptr (gs, 1); +} + +/* Set RHS to be the first operand on the RHS of assignment statement GS. */ + +static inline void +gimple_assign_set_rhs1 (gimple gs, tree rhs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASSIGN); + + /* If there are 3 or more operands, the 2 operands on the RHS must be + GIMPLE values. */ + if (gimple_num_ops (gs) >= 3) + gcc_assert (is_gimple_val (rhs)); + else + gcc_assert (is_gimple_operand (rhs)); + + gimple_set_op (gs, 1, rhs); +} + + +/* Return the second operand on the RHS of assignment statement GS. + If GS does not have two operands, NULL is returned instead. */ + +static inline tree +gimple_assign_rhs2 (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASSIGN); + + if (gimple_num_ops (gs) >= 3) + return gimple_op (gs, 2); + else + return NULL_TREE; +} + + +/* Return a pointer to the second operand on the RHS of assignment + statement GS. */ + +static inline tree * +gimple_assign_rhs2_ptr (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASSIGN); + return gimple_op_ptr (gs, 2); +} + + +/* Set RHS to be the second operand on the RHS of assignment statement GS. */ + +static inline void +gimple_assign_set_rhs2 (gimple gs, tree rhs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASSIGN); + + /* The 2 operands on the RHS must be GIMPLE values. */ + gcc_assert (is_gimple_val (rhs)); + + gimple_set_op (gs, 2, rhs); +} + +/* Returns true if GS is a nontemporal move. */ + +static inline bool +gimple_assign_nontemporal_move_p (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASSIGN); + return gs->gsbase.nontemporal_move; +} + +/* Sets nontemporal move flag of GS to NONTEMPORAL. */ + +static inline void +gimple_assign_set_nontemporal_move (gimple gs, bool nontemporal) +{ + GIMPLE_CHECK (gs, GIMPLE_ASSIGN); + gs->gsbase.nontemporal_move = nontemporal; +} + + +/* Return the code of the expression computed on the rhs of assignment + statement GS. In case that the RHS is a single object, returns the + tree code of the object. */ + +static inline enum tree_code +gimple_assign_rhs_code (const_gimple gs) +{ + enum tree_code code; + GIMPLE_CHECK (gs, GIMPLE_ASSIGN); + + code = gimple_expr_code (gs); + if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS) + code = TREE_CODE (gimple_assign_rhs1 (gs)); + + return code; +} + + +/* Set CODE to be the code for the expression computed on the RHS of + assignment S. */ + +static inline void +gimple_assign_set_rhs_code (gimple s, enum tree_code code) +{ + GIMPLE_CHECK (s, GIMPLE_ASSIGN); + s->gsbase.subcode = code; +} + + +/* Return true if S is a type-cast assignment. */ + +static inline bool +gimple_assign_cast_p (gimple s) +{ + if (is_gimple_assign (s)) + { + enum tree_code sc = gimple_assign_rhs_code (s); + return sc == NOP_EXPR + || sc == CONVERT_EXPR + || sc == VIEW_CONVERT_EXPR + || sc == FIX_TRUNC_EXPR; + } + + return false; +} + + +/* Return true if GS is a GIMPLE_CALL. */ + +static inline bool +is_gimple_call (const_gimple gs) +{ + return gimple_code (gs) == GIMPLE_CALL; +} + +/* Return the LHS of call statement GS. */ + +static inline tree +gimple_call_lhs (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_CALL); + return gimple_op (gs, 0); +} + + +/* Return a pointer to the LHS of call statement GS. */ + +static inline tree * +gimple_call_lhs_ptr (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_CALL); + return gimple_op_ptr (gs, 0); +} + + +/* Set LHS to be the LHS operand of call statement GS. */ + +static inline void +gimple_call_set_lhs (gimple gs, tree lhs) +{ + GIMPLE_CHECK (gs, GIMPLE_CALL); + gcc_assert (!lhs || is_gimple_operand (lhs)); + gimple_set_op (gs, 0, lhs); + if (lhs && TREE_CODE (lhs) == SSA_NAME) + SSA_NAME_DEF_STMT (lhs) = gs; +} + + +/* Return the tree node representing the function called by call + statement GS. This may or may not be a FUNCTION_DECL node. */ + +static inline tree +gimple_call_fn (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_CALL); + return gimple_op (gs, 1); +} + + +/* Return a pointer to the tree node representing the function called by call + statement GS. */ + +static inline tree * +gimple_call_fn_ptr (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_CALL); + return gimple_op_ptr (gs, 1); +} + + +/* Set FN to be the function called by call statement GS. */ + +static inline void +gimple_call_set_fn (gimple gs, tree fn) +{ + GIMPLE_CHECK (gs, GIMPLE_CALL); + gcc_assert (is_gimple_operand (fn)); + gimple_set_op (gs, 1, fn); +} + + +/* If a given GIMPLE_CALL's callee is a FUNCTION_DECL, return it. + Otherwise return NULL. This function is analogous to + get_callee_fndecl in tree land. */ + +static inline tree +gimple_call_fndecl (const_gimple gs) +{ + tree decl = gimple_call_fn (gs); + return (TREE_CODE (decl) == FUNCTION_DECL) ? decl : NULL_TREE; +} + + +/* Return the type returned by call statement GS. */ + +static inline tree +gimple_call_return_type (const_gimple gs) +{ + tree fn = gimple_call_fn (gs); + tree type = TREE_TYPE (fn); + + /* See through pointers. */ + if (POINTER_TYPE_P (type)) + type = TREE_TYPE (type); + + gcc_assert (TREE_CODE (type) == FUNCTION_TYPE + || TREE_CODE (type) == METHOD_TYPE); + + /* The type returned by a FUNCTION_DECL is the type of its + function type. */ + return TREE_TYPE (type); +} + + +/* Return the static chain for call statement GS. */ + +static inline tree +gimple_call_chain (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_CALL); + return gimple_op (gs, 2); +} + + +/* Return a pointer to the static chain for call statement GS. */ + +static inline tree * +gimple_call_chain_ptr (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_CALL); + return gimple_op_ptr (gs, 2); +} + +/* Set CHAIN to be the static chain for call statement GS. */ + +static inline void +gimple_call_set_chain (gimple gs, tree chain) +{ + GIMPLE_CHECK (gs, GIMPLE_CALL); + gcc_assert (chain == NULL + || TREE_CODE (chain) == ADDR_EXPR + || DECL_P (chain)); + gimple_set_op (gs, 2, chain); +} + + +/* Return the number of arguments used by call statement GS. */ + +static inline unsigned +gimple_call_num_args (const_gimple gs) +{ + unsigned num_ops; + GIMPLE_CHECK (gs, GIMPLE_CALL); + num_ops = gimple_num_ops (gs); + gcc_assert (num_ops >= 3); + return num_ops - 3; +} + + +/* Return the argument at position INDEX for call statement GS. */ + +static inline tree +gimple_call_arg (const_gimple gs, unsigned index) +{ + GIMPLE_CHECK (gs, GIMPLE_CALL); + return gimple_op (gs, index + 3); +} + + +/* Return a pointer to the argument at position INDEX for call + statement GS. */ + +static inline tree * +gimple_call_arg_ptr (const_gimple gs, unsigned index) +{ + GIMPLE_CHECK (gs, GIMPLE_CALL); + return gimple_op_ptr (gs, index + 3); +} + + +/* Set ARG to be the argument at position INDEX for call statement GS. */ + +static inline void +gimple_call_set_arg (gimple gs, unsigned index, tree arg) +{ + GIMPLE_CHECK (gs, GIMPLE_CALL); + gcc_assert (is_gimple_operand (arg)); + gimple_set_op (gs, index + 3, arg); +} + + +/* If TAIL_P is true, mark call statement S as being a tail call + (i.e., a call just before the exit of a function). These calls are + candidate for tail call optimization. */ + +static inline void +gimple_call_set_tail (gimple s, bool tail_p) +{ + GIMPLE_CHECK (s, GIMPLE_CALL); + if (tail_p) + s->gsbase.subcode |= GF_CALL_TAILCALL; + else + s->gsbase.subcode &= ~GF_CALL_TAILCALL; +} + + +/* Return true if GIMPLE_CALL S is marked as a tail call. */ + +static inline bool +gimple_call_tail_p (gimple s) +{ + GIMPLE_CHECK (s, GIMPLE_CALL); + return (s->gsbase.subcode & GF_CALL_TAILCALL) != 0; +} + + +/* Set the inlinable status of GIMPLE_CALL S to INLINABLE_P. */ + +static inline void +gimple_call_set_cannot_inline (gimple s, bool inlinable_p) +{ + GIMPLE_CHECK (s, GIMPLE_CALL); + if (inlinable_p) + s->gsbase.subcode |= GF_CALL_CANNOT_INLINE; + else + s->gsbase.subcode &= ~GF_CALL_CANNOT_INLINE; +} + + +/* Return true if GIMPLE_CALL S cannot be inlined. */ + +static inline bool +gimple_call_cannot_inline_p (gimple s) +{ + GIMPLE_CHECK (s, GIMPLE_CALL); + return (s->gsbase.subcode & GF_CALL_CANNOT_INLINE) != 0; +} + + +/* If RETURN_SLOT_OPT_P is true mark GIMPLE_CALL S as valid for return + slot optimization. This transformation uses the target of the call + expansion as the return slot for calls that return in memory. */ + +static inline void +gimple_call_set_return_slot_opt (gimple s, bool return_slot_opt_p) +{ + GIMPLE_CHECK (s, GIMPLE_CALL); + if (return_slot_opt_p) + s->gsbase.subcode |= GF_CALL_RETURN_SLOT_OPT; + else + s->gsbase.subcode &= ~GF_CALL_RETURN_SLOT_OPT; +} + + +/* Return true if S is marked for return slot optimization. */ + +static inline bool +gimple_call_return_slot_opt_p (gimple s) +{ + GIMPLE_CHECK (s, GIMPLE_CALL); + return (s->gsbase.subcode & GF_CALL_RETURN_SLOT_OPT) != 0; +} + + +/* If FROM_THUNK_P is true, mark GIMPLE_CALL S as being the jump from a + thunk to the thunked-to function. */ + +static inline void +gimple_call_set_from_thunk (gimple s, bool from_thunk_p) +{ + GIMPLE_CHECK (s, GIMPLE_CALL); + if (from_thunk_p) + s->gsbase.subcode |= GF_CALL_FROM_THUNK; + else + s->gsbase.subcode &= ~GF_CALL_FROM_THUNK; +} + + +/* Return true if GIMPLE_CALL S is a jump from a thunk. */ + +static inline bool +gimple_call_from_thunk_p (gimple s) +{ + GIMPLE_CHECK (s, GIMPLE_CALL); + return (s->gsbase.subcode & GF_CALL_FROM_THUNK) != 0; +} + + +/* If PASS_ARG_PACK_P is true, GIMPLE_CALL S is a stdarg call that needs the + argument pack in its argument list. */ + +static inline void +gimple_call_set_va_arg_pack (gimple s, bool pass_arg_pack_p) +{ + GIMPLE_CHECK (s, GIMPLE_CALL); + if (pass_arg_pack_p) + s->gsbase.subcode |= GF_CALL_VA_ARG_PACK; + else + s->gsbase.subcode &= ~GF_CALL_VA_ARG_PACK; +} + + +/* Return true if GIMPLE_CALL S is a stdarg call that needs the + argument pack in its argument list. */ + +static inline bool +gimple_call_va_arg_pack_p (gimple s) +{ + GIMPLE_CHECK (s, GIMPLE_CALL); + return (s->gsbase.subcode & GF_CALL_VA_ARG_PACK) != 0; +} + + +/* Return true if S is a noreturn call. */ + +static inline bool +gimple_call_noreturn_p (gimple s) +{ + GIMPLE_CHECK (s, GIMPLE_CALL); + return (gimple_call_flags (s) & ECF_NORETURN) != 0; +} + + +/* Return true if S is a nothrow call. */ + +static inline bool +gimple_call_nothrow_p (gimple s) +{ + GIMPLE_CHECK (s, GIMPLE_CALL); + return (gimple_call_flags (s) & ECF_NOTHROW) != 0; +} + + +/* Copy all the GF_CALL_* flags from ORIG_CALL to DEST_CALL. */ + +static inline void +gimple_call_copy_flags (gimple dest_call, gimple orig_call) +{ + GIMPLE_CHECK (dest_call, GIMPLE_CALL); + GIMPLE_CHECK (orig_call, GIMPLE_CALL); + dest_call->gsbase.subcode = orig_call->gsbase.subcode; +} + + +/* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a + non-NULL lhs. */ + +static inline bool +gimple_has_lhs (gimple stmt) +{ + return (is_gimple_assign (stmt) + || (is_gimple_call (stmt) + && gimple_call_lhs (stmt) != NULL_TREE)); +} + + +/* Return the code of the predicate computed by conditional statement GS. */ + +static inline enum tree_code +gimple_cond_code (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_COND); + return gs->gsbase.subcode; +} + + +/* Set CODE to be the predicate code for the conditional statement GS. */ + +static inline void +gimple_cond_set_code (gimple gs, enum tree_code code) +{ + GIMPLE_CHECK (gs, GIMPLE_COND); + gcc_assert (TREE_CODE_CLASS (code) == tcc_comparison); + gs->gsbase.subcode = code; +} + + +/* Return the LHS of the predicate computed by conditional statement GS. */ + +static inline tree +gimple_cond_lhs (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_COND); + return gimple_op (gs, 0); +} + +/* Return the pointer to the LHS of the predicate computed by conditional + statement GS. */ + +static inline tree * +gimple_cond_lhs_ptr (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_COND); + return gimple_op_ptr (gs, 0); +} + +/* Set LHS to be the LHS operand of the predicate computed by + conditional statement GS. */ + +static inline void +gimple_cond_set_lhs (gimple gs, tree lhs) +{ + GIMPLE_CHECK (gs, GIMPLE_COND); + gcc_assert (is_gimple_operand (lhs)); + gimple_set_op (gs, 0, lhs); +} + + +/* Return the RHS operand of the predicate computed by conditional GS. */ + +static inline tree +gimple_cond_rhs (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_COND); + return gimple_op (gs, 1); +} + +/* Return the pointer to the RHS operand of the predicate computed by + conditional GS. */ + +static inline tree * +gimple_cond_rhs_ptr (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_COND); + return gimple_op_ptr (gs, 1); +} + + +/* Set RHS to be the RHS operand of the predicate computed by + conditional statement GS. */ + +static inline void +gimple_cond_set_rhs (gimple gs, tree rhs) +{ + GIMPLE_CHECK (gs, GIMPLE_COND); + gcc_assert (is_gimple_operand (rhs)); + gimple_set_op (gs, 1, rhs); +} + + +/* Return the label used by conditional statement GS when its + predicate evaluates to true. */ + +static inline tree +gimple_cond_true_label (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_COND); + return gimple_op (gs, 2); +} + + +/* Set LABEL to be the label used by conditional statement GS when its + predicate evaluates to true. */ + +static inline void +gimple_cond_set_true_label (gimple gs, tree label) +{ + GIMPLE_CHECK (gs, GIMPLE_COND); + gcc_assert (!label || TREE_CODE (label) == LABEL_DECL); + gimple_set_op (gs, 2, label); +} + + +/* Set LABEL to be the label used by conditional statement GS when its + predicate evaluates to false. */ + +static inline void +gimple_cond_set_false_label (gimple gs, tree label) +{ + GIMPLE_CHECK (gs, GIMPLE_COND); + gcc_assert (!label || TREE_CODE (label) == LABEL_DECL); + gimple_set_op (gs, 3, label); +} + + +/* Return the label used by conditional statement GS when its + predicate evaluates to false. */ + +static inline tree +gimple_cond_false_label (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_COND); + return gimple_op (gs, 3); +} + + +/* Set the conditional COND_STMT to be of the form 'if (1 == 0)'. */ + +static inline void +gimple_cond_make_false (gimple gs) +{ + gimple_cond_set_lhs (gs, boolean_true_node); + gimple_cond_set_rhs (gs, boolean_false_node); + gs->gsbase.subcode = EQ_EXPR; +} + + +/* Set the conditional COND_STMT to be of the form 'if (1 == 1)'. */ + +static inline void +gimple_cond_make_true (gimple gs) +{ + gimple_cond_set_lhs (gs, boolean_true_node); + gimple_cond_set_rhs (gs, boolean_true_node); + gs->gsbase.subcode = EQ_EXPR; +} + +/* Check if conditional statemente GS is of the form 'if (1 == 1)', + 'if (0 == 0)', 'if (1 != 0)' or 'if (0 != 1)' */ + +static inline bool +gimple_cond_true_p (const_gimple gs) +{ + tree lhs = gimple_cond_lhs (gs); + tree rhs = gimple_cond_rhs (gs); + enum tree_code code = gimple_cond_code (gs); + + if (lhs != boolean_true_node && lhs != boolean_false_node) + return false; + + if (rhs != boolean_true_node && rhs != boolean_false_node) + return false; + + if (code == NE_EXPR && lhs != rhs) + return true; + + if (code == EQ_EXPR && lhs == rhs) + return true; + + return false; +} + +/* Check if conditional statement GS is of the form 'if (1 != 1)', + 'if (0 != 0)', 'if (1 == 0)' or 'if (0 == 1)' */ + +static inline bool +gimple_cond_false_p (const_gimple gs) +{ + tree lhs = gimple_cond_lhs (gs); + tree rhs = gimple_cond_rhs (gs); + enum tree_code code = gimple_cond_code (gs); + + if (lhs != boolean_true_node && lhs != boolean_false_node) + return false; + + if (rhs != boolean_true_node && rhs != boolean_false_node) + return false; + + if (code == NE_EXPR && lhs == rhs) + return true; + + if (code == EQ_EXPR && lhs != rhs) + return true; + + return false; +} + +/* Check if conditional statement GS is of the form 'if (var != 0)' or + 'if (var == 1)' */ + +static inline bool +gimple_cond_single_var_p (gimple gs) +{ + if (gimple_cond_code (gs) == NE_EXPR + && gimple_cond_rhs (gs) == boolean_false_node) + return true; + + if (gimple_cond_code (gs) == EQ_EXPR + && gimple_cond_rhs (gs) == boolean_true_node) + return true; + + return false; +} + +/* Set the code, LHS and RHS of GIMPLE_COND STMT from CODE, LHS and RHS. */ + +static inline void +gimple_cond_set_condition (gimple stmt, enum tree_code code, tree lhs, tree rhs) +{ + gimple_cond_set_code (stmt, code); + gimple_cond_set_lhs (stmt, lhs); + gimple_cond_set_rhs (stmt, rhs); +} + +/* Return the LABEL_DECL node used by GIMPLE_LABEL statement GS. */ + +static inline tree +gimple_label_label (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_LABEL); + return gimple_op (gs, 0); +} + + +/* Set LABEL to be the LABEL_DECL node used by GIMPLE_LABEL statement + GS. */ + +static inline void +gimple_label_set_label (gimple gs, tree label) +{ + GIMPLE_CHECK (gs, GIMPLE_LABEL); + gcc_assert (TREE_CODE (label) == LABEL_DECL); + gimple_set_op (gs, 0, label); +} + + +/* Return the destination of the unconditional jump GS. */ + +static inline tree +gimple_goto_dest (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_GOTO); + return gimple_op (gs, 0); +} + + +/* Set DEST to be the destination of the unconditonal jump GS. */ + +static inline void +gimple_goto_set_dest (gimple gs, tree dest) +{ + GIMPLE_CHECK (gs, GIMPLE_GOTO); + gcc_assert (is_gimple_operand (dest)); + gimple_set_op (gs, 0, dest); +} + + +/* Return the variables declared in the GIMPLE_BIND statement GS. */ + +static inline tree +gimple_bind_vars (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_BIND); + return gs->gimple_bind.vars; +} + + +/* Set VARS to be the set of variables declared in the GIMPLE_BIND + statement GS. */ + +static inline void +gimple_bind_set_vars (gimple gs, tree vars) +{ + GIMPLE_CHECK (gs, GIMPLE_BIND); + gs->gimple_bind.vars = vars; +} + + +/* Append VARS to the set of variables declared in the GIMPLE_BIND + statement GS. */ + +static inline void +gimple_bind_append_vars (gimple gs, tree vars) +{ + GIMPLE_CHECK (gs, GIMPLE_BIND); + gs->gimple_bind.vars = chainon (gs->gimple_bind.vars, vars); +} + + +/* Return the GIMPLE sequence contained in the GIMPLE_BIND statement GS. */ + +static inline gimple_seq +gimple_bind_body (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_BIND); + return gs->gimple_bind.body; +} + + +/* Set SEQ to be the GIMPLE sequence contained in the GIMPLE_BIND + statement GS. */ + +static inline void +gimple_bind_set_body (gimple gs, gimple_seq seq) +{ + GIMPLE_CHECK (gs, GIMPLE_BIND); + gs->gimple_bind.body = seq; +} + + +/* Append a statement to the end of a GIMPLE_BIND's body. */ + +static inline void +gimple_bind_add_stmt (gimple gs, gimple stmt) +{ + GIMPLE_CHECK (gs, GIMPLE_BIND); + gimple_seq_add_stmt (&gs->gimple_bind.body, stmt); +} + + +/* Append a sequence of statements to the end of a GIMPLE_BIND's body. */ + +static inline void +gimple_bind_add_seq (gimple gs, gimple_seq seq) +{ + GIMPLE_CHECK (gs, GIMPLE_BIND); + gimple_seq_add_seq (&gs->gimple_bind.body, seq); +} + + +/* Return the TREE_BLOCK node associated with GIMPLE_BIND statement + GS. This is analogous to the BIND_EXPR_BLOCK field in trees. */ + +static inline tree +gimple_bind_block (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_BIND); + return gs->gimple_bind.block; +} + + +/* Set BLOCK to be the TREE_BLOCK node associated with GIMPLE_BIND + statement GS. */ + +static inline void +gimple_bind_set_block (gimple gs, tree block) +{ + GIMPLE_CHECK (gs, GIMPLE_BIND); + gcc_assert (TREE_CODE (block) == BLOCK); + gs->gimple_bind.block = block; +} + + +/* Return the number of input operands for GIMPLE_ASM GS. */ + +static inline unsigned +gimple_asm_ninputs (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + return gs->gimple_asm.ni; +} + + +/* Return the number of output operands for GIMPLE_ASM GS. */ + +static inline unsigned +gimple_asm_noutputs (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + return gs->gimple_asm.no; +} + + +/* Return the number of clobber operands for GIMPLE_ASM GS. */ + +static inline unsigned +gimple_asm_nclobbers (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + return gs->gimple_asm.nc; +} + + +/* Return input operand INDEX of GIMPLE_ASM GS. */ + +static inline tree +gimple_asm_input_op (const_gimple gs, unsigned index) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + gcc_assert (index <= gs->gimple_asm.ni); + return gimple_op (gs, index); +} + +/* Return a pointer to input operand INDEX of GIMPLE_ASM GS. */ + +static inline tree * +gimple_asm_input_op_ptr (const_gimple gs, unsigned index) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + gcc_assert (index <= gs->gimple_asm.ni); + return gimple_op_ptr (gs, index); +} + + +/* Set IN_OP to be input operand INDEX in GIMPLE_ASM GS. */ + +static inline void +gimple_asm_set_input_op (gimple gs, unsigned index, tree in_op) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + gcc_assert (index <= gs->gimple_asm.ni); + gcc_assert (TREE_CODE (in_op) == TREE_LIST); + gimple_set_op (gs, index, in_op); +} + + +/* Return output operand INDEX of GIMPLE_ASM GS. */ + +static inline tree +gimple_asm_output_op (const_gimple gs, unsigned index) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + gcc_assert (index <= gs->gimple_asm.no); + return gimple_op (gs, index + gs->gimple_asm.ni); +} + +/* Return a pointer to output operand INDEX of GIMPLE_ASM GS. */ + +static inline tree * +gimple_asm_output_op_ptr (const_gimple gs, unsigned index) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + gcc_assert (index <= gs->gimple_asm.no); + return gimple_op_ptr (gs, index + gs->gimple_asm.ni); +} + + +/* Set OUT_OP to be output operand INDEX in GIMPLE_ASM GS. */ + +static inline void +gimple_asm_set_output_op (gimple gs, unsigned index, tree out_op) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + gcc_assert (index <= gs->gimple_asm.no); + gcc_assert (TREE_CODE (out_op) == TREE_LIST); + gimple_set_op (gs, index + gs->gimple_asm.ni, out_op); +} + + +/* Return clobber operand INDEX of GIMPLE_ASM GS. */ + +static inline tree +gimple_asm_clobber_op (const_gimple gs, unsigned index) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + gcc_assert (index <= gs->gimple_asm.nc); + return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no); +} + + +/* Set CLOBBER_OP to be clobber operand INDEX in GIMPLE_ASM GS. */ + +static inline void +gimple_asm_set_clobber_op (gimple gs, unsigned index, tree clobber_op) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + gcc_assert (index <= gs->gimple_asm.nc); + gcc_assert (TREE_CODE (clobber_op) == TREE_LIST); + gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op); +} + + +/* Return the string representing the assembly instruction in + GIMPLE_ASM GS. */ + +static inline const char * +gimple_asm_string (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + return gs->gimple_asm.string; +} + + +/* Return true if GS is an asm statement marked volatile. */ + +static inline bool +gimple_asm_volatile_p (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + return (gs->gsbase.subcode & GF_ASM_VOLATILE) != 0; +} + + +/* If VOLATLE_P is true, mark asm statement GS as volatile. */ + +static inline void +gimple_asm_set_volatile (gimple gs, bool volatile_p) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + if (volatile_p) + gs->gsbase.subcode |= GF_ASM_VOLATILE; + else + gs->gsbase.subcode &= ~GF_ASM_VOLATILE; +} + + +/* If INPUT_P is true, mark asm GS as an ASM_INPUT. */ + +static inline void +gimple_asm_set_input (gimple gs, bool input_p) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + if (input_p) + gs->gsbase.subcode |= GF_ASM_INPUT; + else + gs->gsbase.subcode &= ~GF_ASM_INPUT; +} + + +/* Return true if asm GS is an ASM_INPUT. */ + +static inline bool +gimple_asm_input_p (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + return (gs->gsbase.subcode & GF_ASM_INPUT) != 0; +} + + +/* Return the types handled by GIMPLE_CATCH statement GS. */ + +static inline tree +gimple_catch_types (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_CATCH); + return gs->gimple_catch.types; +} + + +/* Return a pointer to the types handled by GIMPLE_CATCH statement GS. */ + +static inline tree * +gimple_catch_types_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_CATCH); + return &gs->gimple_catch.types; +} + + +/* Return the GIMPLE sequence representing the body of the handler of + GIMPLE_CATCH statement GS. */ + +static inline gimple_seq +gimple_catch_handler (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_CATCH); + return gs->gimple_catch.handler; +} + + +/* Return a pointer to the GIMPLE sequence representing the body of + the handler of GIMPLE_CATCH statement GS. */ + +static inline gimple_seq * +gimple_catch_handler_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_CATCH); + return &gs->gimple_catch.handler; +} + + +/* Set T to be the set of types handled by GIMPLE_CATCH GS. */ + +static inline void +gimple_catch_set_types (gimple gs, tree t) +{ + GIMPLE_CHECK (gs, GIMPLE_CATCH); + gs->gimple_catch.types = t; +} + + +/* Set HANDLER to be the body of GIMPLE_CATCH GS. */ + +static inline void +gimple_catch_set_handler (gimple gs, gimple_seq handler) +{ + GIMPLE_CHECK (gs, GIMPLE_CATCH); + gs->gimple_catch.handler = handler; +} + + +/* Return the types handled by GIMPLE_EH_FILTER statement GS. */ + +static inline tree +gimple_eh_filter_types (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); + return gs->gimple_eh_filter.types; +} + + +/* Return a pointer to the types handled by GIMPLE_EH_FILTER statement + GS. */ + +static inline tree * +gimple_eh_filter_types_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); + return &gs->gimple_eh_filter.types; +} + + +/* Return the sequence of statement to execute when GIMPLE_EH_FILTER + statement fails. */ + +static inline gimple_seq +gimple_eh_filter_failure (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); + return gs->gimple_eh_filter.failure; +} + + +/* Set TYPES to be the set of types handled by GIMPLE_EH_FILTER GS. */ + +static inline void +gimple_eh_filter_set_types (gimple gs, tree types) +{ + GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); + gs->gimple_eh_filter.types = types; +} + + +/* Set FAILURE to be the sequence of statements to execute on failure + for GIMPLE_EH_FILTER GS. */ + +static inline void +gimple_eh_filter_set_failure (gimple gs, gimple_seq failure) +{ + GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); + gs->gimple_eh_filter.failure = failure; +} + +/* Return the EH_FILTER_MUST_NOT_THROW flag. */ + +static inline bool + +gimple_eh_filter_must_not_throw (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); + return gs->gsbase.subcode != 0; +} + +/* Set the EH_FILTER_MUST_NOT_THROW flag to the value MNTP. */ + +static inline void +gimple_eh_filter_set_must_not_throw (gimple gs, bool mntp) +{ + GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); + gs->gsbase.subcode = (unsigned int) mntp; +} + + +/* GIMPLE_TRY accessors. */ + +/* Return the kind of try block represented by GIMPLE_TRY GS. This is + either GIMPLE_TRY_CATCH or GIMPLE_TRY_FINALLY. */ + +static inline enum gimple_try_flags +gimple_try_kind (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_TRY); + return (enum gimple_try_flags) (gs->gsbase.subcode & GIMPLE_TRY_KIND); +} + + +/* Set the kind of try block represented by GIMPLE_TRY GS. */ + +static inline void +gimple_try_set_kind (gimple gs, enum gimple_try_flags kind) +{ + GIMPLE_CHECK (gs, GIMPLE_TRY); + gcc_assert (kind == GIMPLE_TRY_CATCH || kind == GIMPLE_TRY_FINALLY); + if (gimple_try_kind (gs) != kind) + gs->gsbase.subcode = (unsigned int) kind; +} + + +/* Return the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */ + +static inline bool +gimple_try_catch_is_cleanup (const_gimple gs) +{ + gcc_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH); + return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0; +} + + +/* Return the sequence of statements used as the body for GIMPLE_TRY GS. */ + +static inline gimple_seq +gimple_try_eval (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_TRY); + return gs->gimple_try.eval; +} + + +/* Return the sequence of statements used as the cleanup body for + GIMPLE_TRY GS. */ + +static inline gimple_seq +gimple_try_cleanup (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_TRY); + return gs->gimple_try.cleanup; +} + + +/* Set the GIMPLE_TRY_CATCH_IS_CLEANUP flag. */ + +static inline void +gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup) +{ + gcc_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH); + if (catch_is_cleanup) + g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP; + else + g->gsbase.subcode &= ~GIMPLE_TRY_CATCH_IS_CLEANUP; +} + + +/* Set EVAL to be the sequence of statements to use as the body for + GIMPLE_TRY GS. */ + +static inline void +gimple_try_set_eval (gimple gs, gimple_seq eval) +{ + GIMPLE_CHECK (gs, GIMPLE_TRY); + gs->gimple_try.eval = eval; +} + + +/* Set CLEANUP to be the sequence of statements to use as the cleanup + body for GIMPLE_TRY GS. */ + +static inline void +gimple_try_set_cleanup (gimple gs, gimple_seq cleanup) +{ + GIMPLE_CHECK (gs, GIMPLE_TRY); + gs->gimple_try.cleanup = cleanup; +} + + +/* Return the cleanup sequence for cleanup statement GS. */ + +static inline gimple_seq +gimple_wce_cleanup (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR); + return gs->gimple_wce.cleanup; +} + + +/* Set CLEANUP to be the cleanup sequence for GS. */ + +static inline void +gimple_wce_set_cleanup (gimple gs, gimple_seq cleanup) +{ + GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR); + gs->gimple_wce.cleanup = cleanup; +} + + +/* Return the CLEANUP_EH_ONLY flag for a WCE tuple. */ + +static inline bool +gimple_wce_cleanup_eh_only (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR); + return gs->gsbase.subcode != 0; +} + + +/* Set the CLEANUP_EH_ONLY flag for a WCE tuple. */ + +static inline void +gimple_wce_set_cleanup_eh_only (gimple gs, bool eh_only_p) +{ + GIMPLE_CHECK (gs, GIMPLE_WITH_CLEANUP_EXPR); + gs->gsbase.subcode = (unsigned int) eh_only_p; +} + + +/* Return the maximum number of arguments supported by GIMPLE_PHI GS. */ + +static inline unsigned +gimple_phi_capacity (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_PHI); + return gs->gimple_phi.capacity; +} + + +/* Return the number of arguments in GIMPLE_PHI GS. This must always + be exactly the number of incoming edges for the basic block holding + GS. */ + +static inline unsigned +gimple_phi_num_args (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_PHI); + return gs->gimple_phi.nargs; +} + + +/* Return the SSA name created by GIMPLE_PHI GS. */ + +static inline tree +gimple_phi_result (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_PHI); + return gs->gimple_phi.result; +} + +/* Return a pointer to the SSA name created by GIMPLE_PHI GS. */ + +static inline tree * +gimple_phi_result_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_PHI); + return &gs->gimple_phi.result; +} + +/* Set RESULT to be the SSA name created by GIMPLE_PHI GS. */ + +static inline void +gimple_phi_set_result (gimple gs, tree result) +{ + GIMPLE_CHECK (gs, GIMPLE_PHI); + gs->gimple_phi.result = result; +} + + +/* Return the PHI argument corresponding to incoming edge INDEX for + GIMPLE_PHI GS. */ + +static inline struct phi_arg_d * +gimple_phi_arg (gimple gs, unsigned index) +{ + GIMPLE_CHECK (gs, GIMPLE_PHI); + gcc_assert (index <= gs->gimple_phi.capacity); + return &(gs->gimple_phi.args[index]); +} + +/* Set PHIARG to be the argument corresponding to incoming edge INDEX + for GIMPLE_PHI GS. */ + +static inline void +gimple_phi_set_arg (gimple gs, unsigned index, struct phi_arg_d * phiarg) +{ + GIMPLE_CHECK (gs, GIMPLE_PHI); + gcc_assert (index <= gs->gimple_phi.nargs); + memcpy (gs->gimple_phi.args + index, phiarg, sizeof (struct phi_arg_d)); +} + +/* Return the region number for GIMPLE_RESX GS. */ + +static inline int +gimple_resx_region (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_RESX); + return gs->gimple_resx.region; +} + +/* Set REGION to be the region number for GIMPLE_RESX GS. */ + +static inline void +gimple_resx_set_region (gimple gs, int region) +{ + GIMPLE_CHECK (gs, GIMPLE_RESX); + gs->gimple_resx.region = region; +} + + +/* Return the number of labels associated with the switch statement GS. */ + +static inline unsigned +gimple_switch_num_labels (const_gimple gs) +{ + unsigned num_ops; + GIMPLE_CHECK (gs, GIMPLE_SWITCH); + num_ops = gimple_num_ops (gs); + gcc_assert (num_ops > 1); + return num_ops - 1; +} + + +/* Set NLABELS to be the number of labels for the switch statement GS. */ + +static inline void +gimple_switch_set_num_labels (gimple g, unsigned nlabels) +{ + GIMPLE_CHECK (g, GIMPLE_SWITCH); + gimple_set_num_ops (g, nlabels + 1); +} + + +/* Return the index variable used by the switch statement GS. */ + +static inline tree +gimple_switch_index (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_SWITCH); + return gimple_op (gs, 0); +} + + +/* Return a pointer to the index variable for the switch statement GS. */ + +static inline tree * +gimple_switch_index_ptr (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_SWITCH); + return gimple_op_ptr (gs, 0); +} + + +/* Set INDEX to be the index variable for switch statement GS. */ + +static inline void +gimple_switch_set_index (gimple gs, tree index) +{ + GIMPLE_CHECK (gs, GIMPLE_SWITCH); + gcc_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index)); + gimple_set_op (gs, 0, index); +} + + +/* Return the label numbered INDEX. The default label is 0, followed by any + labels in a switch statement. */ + +static inline tree +gimple_switch_label (const_gimple gs, unsigned index) +{ + GIMPLE_CHECK (gs, GIMPLE_SWITCH); + gcc_assert (gimple_num_ops (gs) > index + 1); + return gimple_op (gs, index + 1); +} + +/* Set the label number INDEX to LABEL. 0 is always the default label. */ + +static inline void +gimple_switch_set_label (gimple gs, unsigned index, tree label) +{ + GIMPLE_CHECK (gs, GIMPLE_SWITCH); + gcc_assert (gimple_num_ops (gs) > index + 1); + gcc_assert (label == NULL_TREE || TREE_CODE (label) == CASE_LABEL_EXPR); + gimple_set_op (gs, index + 1, label); +} + +/* Return the default label for a switch statement. */ + +static inline tree +gimple_switch_default_label (const_gimple gs) +{ + return gimple_switch_label (gs, 0); +} + +/* Set the default label for a switch statement. */ + +static inline void +gimple_switch_set_default_label (gimple gs, tree label) +{ + gimple_switch_set_label (gs, 0, label); +} + + +/* Return the body for the OMP statement GS. */ + +static inline gimple_seq +gimple_omp_body (gimple gs) +{ + return gs->omp.body; +} + +/* Set BODY to be the body for the OMP statement GS. */ + +static inline void +gimple_omp_set_body (gimple gs, gimple_seq body) +{ + gs->omp.body = body; +} + + +/* Return the name associated with OMP_CRITICAL statement GS. */ + +static inline tree +gimple_omp_critical_name (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL); + return gs->gimple_omp_critical.name; +} + + +/* Return a pointer to the name associated with OMP critical statement GS. */ + +static inline tree * +gimple_omp_critical_name_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL); + return &gs->gimple_omp_critical.name; +} + + +/* Set NAME to be the name associated with OMP critical statement GS. */ + +static inline void +gimple_omp_critical_set_name (gimple gs, tree name) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_CRITICAL); + gs->gimple_omp_critical.name = name; +} + + +/* Return the clauses associated with OMP_FOR GS. */ + +static inline tree +gimple_omp_for_clauses (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + return gs->gimple_omp_for.clauses; +} + + +/* Return a pointer to the OMP_FOR GS. */ + +static inline tree * +gimple_omp_for_clauses_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + return &gs->gimple_omp_for.clauses; +} + + +/* Set CLAUSES to be the list of clauses associated with OMP_FOR GS. */ + +static inline void +gimple_omp_for_set_clauses (gimple gs, tree clauses) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + gs->gimple_omp_for.clauses = clauses; +} + + +/* Get the collapse count of OMP_FOR GS. */ + +static inline size_t +gimple_omp_for_collapse (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + return gs->gimple_omp_for.collapse; +} + + +/* Return the index variable for OMP_FOR GS. */ + +static inline tree +gimple_omp_for_index (const_gimple gs, size_t i) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + gcc_assert (i < gs->gimple_omp_for.collapse); + return gs->gimple_omp_for.iter[i].index; +} + + +/* Return a pointer to the index variable for OMP_FOR GS. */ + +static inline tree * +gimple_omp_for_index_ptr (gimple gs, size_t i) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + gcc_assert (i < gs->gimple_omp_for.collapse); + return &gs->gimple_omp_for.iter[i].index; +} + + +/* Set INDEX to be the index variable for OMP_FOR GS. */ + +static inline void +gimple_omp_for_set_index (gimple gs, size_t i, tree index) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + gcc_assert (i < gs->gimple_omp_for.collapse); + gs->gimple_omp_for.iter[i].index = index; +} + + +/* Return the initial value for OMP_FOR GS. */ + +static inline tree +gimple_omp_for_initial (const_gimple gs, size_t i) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + gcc_assert (i < gs->gimple_omp_for.collapse); + return gs->gimple_omp_for.iter[i].initial; +} + + +/* Return a pointer to the initial value for OMP_FOR GS. */ + +static inline tree * +gimple_omp_for_initial_ptr (gimple gs, size_t i) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + gcc_assert (i < gs->gimple_omp_for.collapse); + return &gs->gimple_omp_for.iter[i].initial; +} + + +/* Set INITIAL to be the initial value for OMP_FOR GS. */ + +static inline void +gimple_omp_for_set_initial (gimple gs, size_t i, tree initial) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + gcc_assert (i < gs->gimple_omp_for.collapse); + gs->gimple_omp_for.iter[i].initial = initial; +} + + +/* Return the final value for OMP_FOR GS. */ + +static inline tree +gimple_omp_for_final (const_gimple gs, size_t i) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + gcc_assert (i < gs->gimple_omp_for.collapse); + return gs->gimple_omp_for.iter[i].final; +} + + +/* Return a pointer to the final value for OMP_FOR GS. */ + +static inline tree * +gimple_omp_for_final_ptr (gimple gs, size_t i) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + gcc_assert (i < gs->gimple_omp_for.collapse); + return &gs->gimple_omp_for.iter[i].final; +} + + +/* Set FINAL to be the final value for OMP_FOR GS. */ + +static inline void +gimple_omp_for_set_final (gimple gs, size_t i, tree final) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + gcc_assert (i < gs->gimple_omp_for.collapse); + gs->gimple_omp_for.iter[i].final = final; +} + + +/* Return the increment value for OMP_FOR GS. */ + +static inline tree +gimple_omp_for_incr (const_gimple gs, size_t i) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + gcc_assert (i < gs->gimple_omp_for.collapse); + return gs->gimple_omp_for.iter[i].incr; +} + + +/* Return a pointer to the increment value for OMP_FOR GS. */ + +static inline tree * +gimple_omp_for_incr_ptr (gimple gs, size_t i) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + gcc_assert (i < gs->gimple_omp_for.collapse); + return &gs->gimple_omp_for.iter[i].incr; +} + + +/* Set INCR to be the increment value for OMP_FOR GS. */ + +static inline void +gimple_omp_for_set_incr (gimple gs, size_t i, tree incr) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + gcc_assert (i < gs->gimple_omp_for.collapse); + gs->gimple_omp_for.iter[i].incr = incr; +} + + +/* Return the sequence of statements to execute before the OMP_FOR + statement GS starts. */ + +static inline gimple_seq +gimple_omp_for_pre_body (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + return gs->gimple_omp_for.pre_body; +} + + +/* Set PRE_BODY to be the sequence of statements to execute before the + OMP_FOR statement GS starts. */ + +static inline void +gimple_omp_for_set_pre_body (gimple gs, gimple_seq pre_body) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + gs->gimple_omp_for.pre_body = pre_body; +} + + +/* Return the clauses associated with OMP_PARALLEL GS. */ + +static inline tree +gimple_omp_parallel_clauses (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); + return gs->gimple_omp_parallel.clauses; +} + + +/* Return a pointer to the clauses associated with OMP_PARALLEL GS. */ + +static inline tree * +gimple_omp_parallel_clauses_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); + return &gs->gimple_omp_parallel.clauses; +} + + +/* Set CLAUSES to be the list of clauses associated with OMP_PARALLEL + GS. */ + +static inline void +gimple_omp_parallel_set_clauses (gimple gs, tree clauses) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); + gs->gimple_omp_parallel.clauses = clauses; +} + + +/* Return the child function used to hold the body of OMP_PARALLEL GS. */ + +static inline tree +gimple_omp_parallel_child_fn (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); + return gs->gimple_omp_parallel.child_fn; +} + +/* Return a pointer to the child function used to hold the body of + OMP_PARALLEL GS. */ + +static inline tree * +gimple_omp_parallel_child_fn_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); + return &gs->gimple_omp_parallel.child_fn; +} + + +/* Set CHILD_FN to be the child function for OMP_PARALLEL GS. */ + +static inline void +gimple_omp_parallel_set_child_fn (gimple gs, tree child_fn) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); + gs->gimple_omp_parallel.child_fn = child_fn; +} + + +/* Return the artificial argument used to send variables and values + from the parent to the children threads in OMP_PARALLEL GS. */ + +static inline tree +gimple_omp_parallel_data_arg (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); + return gs->gimple_omp_parallel.data_arg; +} + + +/* Return a pointer to the data argument for OMP_PARALLEL GS. */ + +static inline tree * +gimple_omp_parallel_data_arg_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); + return &gs->gimple_omp_parallel.data_arg; +} + + +/* Set DATA_ARG to be the data argument for OMP_PARALLEL GS. */ + +static inline void +gimple_omp_parallel_set_data_arg (gimple gs, tree data_arg) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_PARALLEL); + gs->gimple_omp_parallel.data_arg = data_arg; +} + + +/* Return the clauses associated with OMP_TASK GS. */ + +static inline tree +gimple_omp_task_clauses (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + return gs->gimple_omp_parallel.clauses; +} + + +/* Return a pointer to the clauses associated with OMP_TASK GS. */ + +static inline tree * +gimple_omp_task_clauses_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + return &gs->gimple_omp_parallel.clauses; +} + + +/* Set CLAUSES to be the list of clauses associated with OMP_TASK + GS. */ + +static inline void +gimple_omp_task_set_clauses (gimple gs, tree clauses) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + gs->gimple_omp_parallel.clauses = clauses; +} + + +/* Return the child function used to hold the body of OMP_TASK GS. */ + +static inline tree +gimple_omp_task_child_fn (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + return gs->gimple_omp_parallel.child_fn; +} + +/* Return a pointer to the child function used to hold the body of + OMP_TASK GS. */ + +static inline tree * +gimple_omp_task_child_fn_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + return &gs->gimple_omp_parallel.child_fn; +} + + +/* Set CHILD_FN to be the child function for OMP_TASK GS. */ + +static inline void +gimple_omp_task_set_child_fn (gimple gs, tree child_fn) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + gs->gimple_omp_parallel.child_fn = child_fn; +} + + +/* Return the artificial argument used to send variables and values + from the parent to the children threads in OMP_TASK GS. */ + +static inline tree +gimple_omp_task_data_arg (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + return gs->gimple_omp_parallel.data_arg; +} + + +/* Return a pointer to the data argument for OMP_TASK GS. */ + +static inline tree * +gimple_omp_task_data_arg_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + return &gs->gimple_omp_parallel.data_arg; +} + + +/* Set DATA_ARG to be the data argument for OMP_TASK GS. */ + +static inline void +gimple_omp_task_set_data_arg (gimple gs, tree data_arg) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + gs->gimple_omp_parallel.data_arg = data_arg; +} + + +/* Return the clauses associated with OMP_TASK GS. */ + +static inline tree +gimple_omp_taskreg_clauses (const_gimple gs) +{ + if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + return gs->gimple_omp_parallel.clauses; +} + + +/* Return a pointer to the clauses associated with OMP_TASK GS. */ + +static inline tree * +gimple_omp_taskreg_clauses_ptr (gimple gs) +{ + if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + return &gs->gimple_omp_parallel.clauses; +} + + +/* Set CLAUSES to be the list of clauses associated with OMP_TASK + GS. */ + +static inline void +gimple_omp_taskreg_set_clauses (gimple gs, tree clauses) +{ + if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + gs->gimple_omp_parallel.clauses = clauses; +} + + +/* Return the child function used to hold the body of OMP_TASK GS. */ + +static inline tree +gimple_omp_taskreg_child_fn (const_gimple gs) +{ + if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + return gs->gimple_omp_parallel.child_fn; +} + +/* Return a pointer to the child function used to hold the body of + OMP_TASK GS. */ + +static inline tree * +gimple_omp_taskreg_child_fn_ptr (gimple gs) +{ + if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + return &gs->gimple_omp_parallel.child_fn; +} + + +/* Set CHILD_FN to be the child function for OMP_TASK GS. */ + +static inline void +gimple_omp_taskreg_set_child_fn (gimple gs, tree child_fn) +{ + if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + gs->gimple_omp_parallel.child_fn = child_fn; +} + + +/* Return the artificial argument used to send variables and values + from the parent to the children threads in OMP_TASK GS. */ + +static inline tree +gimple_omp_taskreg_data_arg (const_gimple gs) +{ + if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + return gs->gimple_omp_parallel.data_arg; +} + + +/* Return a pointer to the data argument for OMP_TASK GS. */ + +static inline tree * +gimple_omp_taskreg_data_arg_ptr (gimple gs) +{ + if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + return &gs->gimple_omp_parallel.data_arg; +} + + +/* Set DATA_ARG to be the data argument for OMP_TASK GS. */ + +static inline void +gimple_omp_taskreg_set_data_arg (gimple gs, tree data_arg) +{ + if (gimple_code (gs) != GIMPLE_OMP_PARALLEL) + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + gs->gimple_omp_parallel.data_arg = data_arg; +} + + +/* Return the copy function used to hold the body of OMP_TASK GS. */ + +static inline tree +gimple_omp_task_copy_fn (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + return gs->gimple_omp_task.copy_fn; +} + +/* Return a pointer to the copy function used to hold the body of + OMP_TASK GS. */ + +static inline tree * +gimple_omp_task_copy_fn_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + return &gs->gimple_omp_task.copy_fn; +} + + +/* Set CHILD_FN to be the copy function for OMP_TASK GS. */ + +static inline void +gimple_omp_task_set_copy_fn (gimple gs, tree copy_fn) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + gs->gimple_omp_task.copy_fn = copy_fn; +} + + +/* Return size of the data block in bytes in OMP_TASK GS. */ + +static inline tree +gimple_omp_task_arg_size (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + return gs->gimple_omp_task.arg_size; +} + + +/* Return a pointer to the data block size for OMP_TASK GS. */ + +static inline tree * +gimple_omp_task_arg_size_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + return &gs->gimple_omp_task.arg_size; +} + + +/* Set ARG_SIZE to be the data block size for OMP_TASK GS. */ + +static inline void +gimple_omp_task_set_arg_size (gimple gs, tree arg_size) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + gs->gimple_omp_task.arg_size = arg_size; +} + + +/* Return align of the data block in bytes in OMP_TASK GS. */ + +static inline tree +gimple_omp_task_arg_align (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + return gs->gimple_omp_task.arg_align; +} + + +/* Return a pointer to the data block align for OMP_TASK GS. */ + +static inline tree * +gimple_omp_task_arg_align_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + return &gs->gimple_omp_task.arg_align; +} + + +/* Set ARG_SIZE to be the data block align for OMP_TASK GS. */ + +static inline void +gimple_omp_task_set_arg_align (gimple gs, tree arg_align) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_TASK); + gs->gimple_omp_task.arg_align = arg_align; +} + + +/* Return the clauses associated with OMP_SINGLE GS. */ + +static inline tree +gimple_omp_single_clauses (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE); + return gs->gimple_omp_single.clauses; +} + + +/* Return a pointer to the clauses associated with OMP_SINGLE GS. */ + +static inline tree * +gimple_omp_single_clauses_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE); + return &gs->gimple_omp_single.clauses; +} + + +/* Set CLAUSES to be the clauses associated with OMP_SINGLE GS. */ + +static inline void +gimple_omp_single_set_clauses (gimple gs, tree clauses) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_SINGLE); + gs->gimple_omp_single.clauses = clauses; +} + + +/* Return the clauses associated with OMP_SECTIONS GS. */ + +static inline tree +gimple_omp_sections_clauses (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); + return gs->gimple_omp_sections.clauses; +} + + +/* Return a pointer to the clauses associated with OMP_SECTIONS GS. */ + +static inline tree * +gimple_omp_sections_clauses_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); + return &gs->gimple_omp_sections.clauses; +} + + +/* Set CLAUSES to be the set of clauses associated with OMP_SECTIONS + GS. */ + +static inline void +gimple_omp_sections_set_clauses (gimple gs, tree clauses) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); + gs->gimple_omp_sections.clauses = clauses; +} + + +/* Return the control variable associated with the GIMPLE_OMP_SECTIONS + in GS. */ + +static inline tree +gimple_omp_sections_control (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); + return gs->gimple_omp_sections.control; +} + + +/* Return a pointer to the clauses associated with the GIMPLE_OMP_SECTIONS + GS. */ + +static inline tree * +gimple_omp_sections_control_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); + return &gs->gimple_omp_sections.control; +} + + +/* Set CONTROL to be the set of clauses associated with the + GIMPLE_OMP_SECTIONS in GS. */ + +static inline void +gimple_omp_sections_set_control (gimple gs, tree control) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_SECTIONS); + gs->gimple_omp_sections.control = control; +} + + +/* Set COND to be the condition code for OMP_FOR GS. */ + +static inline void +gimple_omp_for_set_cond (gimple gs, size_t i, enum tree_code cond) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + gcc_assert (TREE_CODE_CLASS (cond) == tcc_comparison); + gcc_assert (i < gs->gimple_omp_for.collapse); + gs->gimple_omp_for.iter[i].cond = cond; +} + + +/* Return the condition code associated with OMP_FOR GS. */ + +static inline enum tree_code +gimple_omp_for_cond (const_gimple gs, size_t i) +{ + GIMPLE_CHECK (gs, GIMPLE_OMP_FOR); + gcc_assert (i < gs->gimple_omp_for.collapse); + return gs->gimple_omp_for.iter[i].cond; +} + + +/* Set the value being stored in an atomic store. */ + +static inline void +gimple_omp_atomic_store_set_val (gimple g, tree val) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE); + g->gimple_omp_atomic_store.val = val; +} + + +/* Return the value being stored in an atomic store. */ + +static inline tree +gimple_omp_atomic_store_val (const_gimple g) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE); + return g->gimple_omp_atomic_store.val; +} + + +/* Return a pointer to the value being stored in an atomic store. */ + +static inline tree * +gimple_omp_atomic_store_val_ptr (gimple g) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_STORE); + return &g->gimple_omp_atomic_store.val; +} + + +/* Set the LHS of an atomic load. */ + +static inline void +gimple_omp_atomic_load_set_lhs (gimple g, tree lhs) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); + g->gimple_omp_atomic_load.lhs = lhs; +} + + +/* Get the LHS of an atomic load. */ + +static inline tree +gimple_omp_atomic_load_lhs (const_gimple g) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); + return g->gimple_omp_atomic_load.lhs; +} + + +/* Return a pointer to the LHS of an atomic load. */ + +static inline tree * +gimple_omp_atomic_load_lhs_ptr (gimple g) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); + return &g->gimple_omp_atomic_load.lhs; +} + + +/* Set the RHS of an atomic load. */ + +static inline void +gimple_omp_atomic_load_set_rhs (gimple g, tree rhs) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); + g->gimple_omp_atomic_load.rhs = rhs; +} + + +/* Get the RHS of an atomic load. */ + +static inline tree +gimple_omp_atomic_load_rhs (const_gimple g) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); + return g->gimple_omp_atomic_load.rhs; +} + + +/* Return a pointer to the RHS of an atomic load. */ + +static inline tree * +gimple_omp_atomic_load_rhs_ptr (gimple g) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_ATOMIC_LOAD); + return &g->gimple_omp_atomic_load.rhs; +} + + +/* Get the definition of the control variable in a GIMPLE_OMP_CONTINUE. */ + +static inline tree +gimple_omp_continue_control_def (const_gimple g) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); + return g->gimple_omp_continue.control_def; +} + +/* The same as above, but return the address. */ + +static inline tree * +gimple_omp_continue_control_def_ptr (gimple g) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); + return &g->gimple_omp_continue.control_def; +} + +/* Set the definition of the control variable in a GIMPLE_OMP_CONTINUE. */ + +static inline void +gimple_omp_continue_set_control_def (gimple g, tree def) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); + g->gimple_omp_continue.control_def = def; +} + + +/* Get the use of the control variable in a GIMPLE_OMP_CONTINUE. */ + +static inline tree +gimple_omp_continue_control_use (const_gimple g) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); + return g->gimple_omp_continue.control_use; +} + + +/* The same as above, but return the address. */ + +static inline tree * +gimple_omp_continue_control_use_ptr (gimple g) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); + return &g->gimple_omp_continue.control_use; +} + + +/* Set the use of the control variable in a GIMPLE_OMP_CONTINUE. */ + +static inline void +gimple_omp_continue_set_control_use (gimple g, tree use) +{ + GIMPLE_CHECK (g, GIMPLE_OMP_CONTINUE); + g->gimple_omp_continue.control_use = use; +} + + +/* Return a pointer to the return value for GIMPLE_RETURN GS. */ + +static inline tree * +gimple_return_retval_ptr (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_RETURN); + gcc_assert (gimple_num_ops (gs) == 1); + return gimple_op_ptr (gs, 0); +} + +/* Return the return value for GIMPLE_RETURN GS. */ + +static inline tree +gimple_return_retval (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_RETURN); + gcc_assert (gimple_num_ops (gs) == 1); + return gimple_op (gs, 0); +} + + +/* Set RETVAL to be the return value for GIMPLE_RETURN GS. */ + +static inline void +gimple_return_set_retval (gimple gs, tree retval) +{ + GIMPLE_CHECK (gs, GIMPLE_RETURN); + gcc_assert (gimple_num_ops (gs) == 1); + gcc_assert (retval == NULL_TREE + || TREE_CODE (retval) == RESULT_DECL + || is_gimple_val (retval)); + gimple_set_op (gs, 0, retval); +} + + +/* Returns true when the gimple statment STMT is any of the OpenMP types. */ + +static inline bool +is_gimple_omp (const_gimple stmt) +{ + return (gimple_code (stmt) == GIMPLE_OMP_PARALLEL + || gimple_code (stmt) == GIMPLE_OMP_TASK + || gimple_code (stmt) == GIMPLE_OMP_FOR + || gimple_code (stmt) == GIMPLE_OMP_SECTIONS + || gimple_code (stmt) == GIMPLE_OMP_SECTIONS_SWITCH + || gimple_code (stmt) == GIMPLE_OMP_SINGLE + || gimple_code (stmt) == GIMPLE_OMP_SECTION + || gimple_code (stmt) == GIMPLE_OMP_MASTER + || gimple_code (stmt) == GIMPLE_OMP_ORDERED + || gimple_code (stmt) == GIMPLE_OMP_CRITICAL + || gimple_code (stmt) == GIMPLE_OMP_RETURN + || gimple_code (stmt) == GIMPLE_OMP_ATOMIC_LOAD + || gimple_code (stmt) == GIMPLE_OMP_ATOMIC_STORE + || gimple_code (stmt) == GIMPLE_OMP_CONTINUE); +} + + +/* Returns TRUE if statement G is a GIMPLE_NOP. */ + +static inline bool +gimple_nop_p (const_gimple g) +{ + return gimple_code (g) == GIMPLE_NOP; +} + + +/* Return the new type set by GIMPLE_CHANGE_DYNAMIC_TYPE statement GS. */ + +static inline tree +gimple_cdt_new_type (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE); + return gimple_op (gs, 1); +} + +/* Return a pointer to the new type set by GIMPLE_CHANGE_DYNAMIC_TYPE + statement GS. */ + +static inline tree * +gimple_cdt_new_type_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE); + return gimple_op_ptr (gs, 1); +} + +/* Set NEW_TYPE to be the type returned by GIMPLE_CHANGE_DYNAMIC_TYPE + statement GS. */ + +static inline void +gimple_cdt_set_new_type (gimple gs, tree new_type) +{ + GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE); + gcc_assert (TREE_CODE_CLASS (TREE_CODE (new_type)) == tcc_type); + gimple_set_op (gs, 1, new_type); +} + + +/* Return the location affected by GIMPLE_CHANGE_DYNAMIC_TYPE statement GS. */ + +static inline tree +gimple_cdt_location (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE); + return gimple_op (gs, 0); +} + + +/* Return a pointer to the location affected by GIMPLE_CHANGE_DYNAMIC_TYPE + statement GS. */ + +static inline tree * +gimple_cdt_location_ptr (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE); + return gimple_op_ptr (gs, 0); +} + + +/* Set PTR to be the location affected by GIMPLE_CHANGE_DYNAMIC_TYPE + statement GS. */ + +static inline void +gimple_cdt_set_location (gimple gs, tree ptr) +{ + GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE); + gimple_set_op (gs, 0, ptr); +} + + +/* Return the predictor of GIMPLE_PREDICT statement GS. */ + +static inline enum br_predictor +gimple_predict_predictor (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_PREDICT); + return (enum br_predictor) (gs->gsbase.subcode & ~GF_PREDICT_TAKEN); +} + + +/* Set the predictor of GIMPLE_PREDICT statement GS to PREDICT. */ + +static inline void +gimple_predict_set_predictor (gimple gs, enum br_predictor predictor) +{ + GIMPLE_CHECK (gs, GIMPLE_PREDICT); + gs->gsbase.subcode = (gs->gsbase.subcode & GF_PREDICT_TAKEN) + | (unsigned) predictor; +} + + +/* Return the outcome of GIMPLE_PREDICT statement GS. */ + +static inline enum prediction +gimple_predict_outcome (gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_PREDICT); + return (gs->gsbase.subcode & GF_PREDICT_TAKEN) ? TAKEN : NOT_TAKEN; +} + + +/* Set the outcome of GIMPLE_PREDICT statement GS to OUTCOME. */ + +static inline void +gimple_predict_set_outcome (gimple gs, enum prediction outcome) +{ + GIMPLE_CHECK (gs, GIMPLE_PREDICT); + if (outcome == TAKEN) + gs->gsbase.subcode |= GF_PREDICT_TAKEN; + else + gs->gsbase.subcode &= ~GF_PREDICT_TAKEN; +} + + +/* Return a new iterator pointing to GIMPLE_SEQ's first statement. */ + +static inline gimple_stmt_iterator +gsi_start (gimple_seq seq) +{ + gimple_stmt_iterator i; + + i.ptr = gimple_seq_first (seq); + i.seq = seq; + i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL; + + return i; +} + + +/* Return a new iterator pointing to the first statement in basic block BB. */ + +static inline gimple_stmt_iterator +gsi_start_bb (basic_block bb) +{ + gimple_stmt_iterator i; + gimple_seq seq; + + seq = bb_seq (bb); + i.ptr = gimple_seq_first (seq); + i.seq = seq; + i.bb = bb; + + return i; +} + + +/* Return a new iterator initially pointing to GIMPLE_SEQ's last statement. */ + +static inline gimple_stmt_iterator +gsi_last (gimple_seq seq) +{ + gimple_stmt_iterator i; + + i.ptr = gimple_seq_last (seq); + i.seq = seq; + i.bb = (i.ptr && i.ptr->stmt) ? gimple_bb (i.ptr->stmt) : NULL; + + return i; +} + + +/* Return a new iterator pointing to the last statement in basic block BB. */ + +static inline gimple_stmt_iterator +gsi_last_bb (basic_block bb) +{ + gimple_stmt_iterator i; + gimple_seq seq; + + seq = bb_seq (bb); + i.ptr = gimple_seq_last (seq); + i.seq = seq; + i.bb = bb; + + return i; +} + + +/* Return true if I is at the end of its sequence. */ + +static inline bool +gsi_end_p (gimple_stmt_iterator i) +{ + return i.ptr == NULL; +} + + +/* Return true if I is one statement before the end of its sequence. */ + +static inline bool +gsi_one_before_end_p (gimple_stmt_iterator i) +{ + return i.ptr != NULL && i.ptr->next == NULL; +} + + +/* Advance the iterator to the next gimple statement. */ + +static inline void +gsi_next (gimple_stmt_iterator *i) +{ + i->ptr = i->ptr->next; +} + +/* Advance the iterator to the previous gimple statement. */ + +static inline void +gsi_prev (gimple_stmt_iterator *i) +{ + i->ptr = i->ptr->prev; +} + +/* Return the current stmt. */ + +static inline gimple +gsi_stmt (gimple_stmt_iterator i) +{ + return i.ptr->stmt; +} + +/* Return a block statement iterator that points to the first non-label + statement in block BB. */ + +static inline gimple_stmt_iterator +gsi_after_labels (basic_block bb) +{ + gimple_stmt_iterator gsi = gsi_start_bb (bb); + + while (!gsi_end_p (gsi) && gimple_code (gsi_stmt (gsi)) == GIMPLE_LABEL) + gsi_next (&gsi); + + return gsi; +} + +/* Return a pointer to the current stmt. + + NOTE: You may want to use gsi_replace on the iterator itself, + as this performs additional bookkeeping that will not be done + if you simply assign through a pointer returned by gsi_stmt_ptr. */ + +static inline gimple * +gsi_stmt_ptr (gimple_stmt_iterator *i) +{ + return &i->ptr->stmt; +} + + +/* Return the basic block associated with this iterator. */ + +static inline basic_block +gsi_bb (gimple_stmt_iterator i) +{ + return i.bb; +} + + +/* Return the sequence associated with this iterator. */ + +static inline gimple_seq +gsi_seq (gimple_stmt_iterator i) +{ + return i.seq; +} + + +enum gsi_iterator_update +{ + GSI_NEW_STMT, /* Only valid when single statement is added, move + iterator to it. */ + GSI_SAME_STMT, /* Leave the iterator at the same statement. */ + GSI_CONTINUE_LINKING /* Move iterator to whatever position is suitable + for linking other statements in the same + direction. */ +}; + +/* In gimple-iterator.c */ +gimple_stmt_iterator gsi_start_phis (basic_block); +gimple_seq gsi_split_seq_after (gimple_stmt_iterator); +gimple_seq gsi_split_seq_before (gimple_stmt_iterator *); +void gsi_replace (gimple_stmt_iterator *, gimple, bool); +void gsi_insert_before (gimple_stmt_iterator *, gimple, + enum gsi_iterator_update); +void gsi_insert_before_without_update (gimple_stmt_iterator *, gimple, + enum gsi_iterator_update); +void gsi_insert_seq_before (gimple_stmt_iterator *, gimple_seq, + enum gsi_iterator_update); +void gsi_insert_seq_before_without_update (gimple_stmt_iterator *, gimple_seq, + enum gsi_iterator_update); +void gsi_insert_after (gimple_stmt_iterator *, gimple, + enum gsi_iterator_update); +void gsi_insert_after_without_update (gimple_stmt_iterator *, gimple, + enum gsi_iterator_update); +void gsi_insert_seq_after (gimple_stmt_iterator *, gimple_seq, + enum gsi_iterator_update); +void gsi_insert_seq_after_without_update (gimple_stmt_iterator *, gimple_seq, + enum gsi_iterator_update); +void gsi_remove (gimple_stmt_iterator *, bool); +gimple_stmt_iterator gsi_for_stmt (gimple); +void gsi_move_after (gimple_stmt_iterator *, gimple_stmt_iterator *); +void gsi_move_before (gimple_stmt_iterator *, gimple_stmt_iterator *); +void gsi_move_to_bb_end (gimple_stmt_iterator *, struct basic_block_def *); +void gsi_insert_on_edge (edge, gimple); +void gsi_insert_seq_on_edge (edge, gimple_seq); +basic_block gsi_insert_on_edge_immediate (edge, gimple); +basic_block gsi_insert_seq_on_edge_immediate (edge, gimple_seq); +void gsi_commit_one_edge_insert (edge, basic_block *); +void gsi_commit_edge_inserts (void); + + +/* Convenience routines to walk all statements of a gimple function. + Note that this is useful exclusively before the code is converted + into SSA form. Once the program is in SSA form, the standard + operand interface should be used to analyze/modify statements. */ +struct walk_stmt_info +{ + /* Points to the current statement being walked. */ + gimple_stmt_iterator gsi; + + /* Additional data that the callback functions may want to carry + through the recursion. */ + void *info; + + /* Pointer map used to mark visited tree nodes when calling + walk_tree on each operand. If set to NULL, duplicate tree nodes + will be visited more than once. */ + struct pointer_set_t *pset; + + /* Indicates whether the operand being examined may be replaced + with something that matches is_gimple_val (if true) or something + slightly more complicated (if false). "Something" technically + means the common subset of is_gimple_lvalue and is_gimple_rhs, + but we never try to form anything more complicated than that, so + we don't bother checking. + + Also note that CALLBACK should update this flag while walking the + sub-expressions of a statement. For instance, when walking the + statement 'foo (&var)', the flag VAL_ONLY will initially be set + to true, however, when walking &var, the operand of that + ADDR_EXPR does not need to be a GIMPLE value. */ + bool val_only; + + /* True if we are currently walking the LHS of an assignment. */ + bool is_lhs; + + /* Optional. Set to true by the callback functions if they made any + changes. */ + bool changed; + + /* True if we're interested in location information. */ + bool want_locations; + + /* Operand returned by the callbacks. This is set when calling + walk_gimple_seq. If the walk_stmt_fn or walk_tree_fn callback + returns non-NULL, this field will contain the tree returned by + the last callback. */ + tree callback_result; +}; + +/* Callback for walk_gimple_stmt. Called for every statement found + during traversal. The first argument points to the statement to + walk. The second argument is a flag that the callback sets to + 'true' if it the callback handled all the operands and + sub-statements of the statement (the default value of this flag is + 'false'). The third argument is an anonymous pointer to data + to be used by the callback. */ +typedef tree (*walk_stmt_fn) (gimple_stmt_iterator *, bool *, + struct walk_stmt_info *); + +gimple walk_gimple_seq (gimple_seq, walk_stmt_fn, walk_tree_fn, + struct walk_stmt_info *); +tree walk_gimple_stmt (gimple_stmt_iterator *, walk_stmt_fn, walk_tree_fn, + struct walk_stmt_info *); +tree walk_gimple_op (gimple, walk_tree_fn, struct walk_stmt_info *); + +#ifdef GATHER_STATISTICS +/* Enum and arrays used for allocation stats. Keep in sync with + gimple.c:gimple_alloc_kind_names. */ +enum gimple_alloc_kind +{ + gimple_alloc_kind_assign, /* Assignments. */ + gimple_alloc_kind_phi, /* PHI nodes. */ + gimple_alloc_kind_cond, /* Conditionals. */ + gimple_alloc_kind_seq, /* Sequences. */ + gimple_alloc_kind_rest, /* Everything else. */ + gimple_alloc_kind_all +}; + +extern int gimple_alloc_counts[]; +extern int gimple_alloc_sizes[]; + +/* Return the allocation kind for a given stmt CODE. */ +static inline enum gimple_alloc_kind +gimple_alloc_kind (enum gimple_code code) +{ + switch (code) + { + case GIMPLE_ASSIGN: + return gimple_alloc_kind_assign; + case GIMPLE_PHI: + return gimple_alloc_kind_phi; + case GIMPLE_COND: + return gimple_alloc_kind_cond; + default: + return gimple_alloc_kind_rest; + } +} +#endif /* GATHER_STATISTICS */ + +extern void dump_gimple_statistics (void); + +#endif /* GCC_GIMPLE_H */ |