X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fgimple.h;h=c9e835a60c5ccf980aa33e715b5f08a3345e9496;hb=16bd2f3cbfa8c8526eeb3ed89b2f880fee4a9553;hp=ffcf9aa95aeb89d9c695fdaebc8f7ce6b59e4590;hpb=a1157bfecf3a552d12e2c43d7d0520c3c7530437;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/gimple.h b/gcc/gimple.h index ffcf9aa95ae..c9e835a60c5 100644 --- a/gcc/gimple.h +++ b/gcc/gimple.h @@ -1,6 +1,6 @@ /* Gimple IR definitions. - Copyright 2007, 2008, 2009 Free Software Foundation, Inc. + Copyright 2007, 2008, 2009, 2010 Free Software Foundation, Inc. Contributed by Aldy Hernandez This file is part of GCC. @@ -24,23 +24,16 @@ along with GCC; see the file COPYING3. If not see #include "pointer-set.h" #include "vec.h" +#include "vecprim.h" +#include "vecir.h" #include "ggc.h" -#include "tm.h" -#include "hard-reg-set.h" #include "basic-block.h" #include "tree-ssa-operands.h" +#include "tree-ssa-alias.h" -DEF_VEC_P(gimple); -DEF_VEC_ALLOC_P(gimple,heap); -DEF_VEC_ALLOC_P(gimple,gc); - -typedef gimple *gimple_p; -DEF_VEC_P(gimple_p); -DEF_VEC_ALLOC_P(gimple_p,heap); - -DEF_VEC_P(gimple_seq); -DEF_VEC_ALLOC_P(gimple_seq,gc); -DEF_VEC_ALLOC_P(gimple_seq,heap); +struct gimple_seq_node_d; +typedef struct gimple_seq_node_d *gimple_seq_node; +typedef const struct gimple_seq_node_d *const_gimple_seq_node; /* For each block, the PHI nodes that need to be rewritten are stored into these vectors. */ @@ -60,6 +53,7 @@ extern const unsigned char gimple_rhs_class_table[]; /* Error out if a gimple tuple is addressed incorrectly. */ #if defined ENABLE_GIMPLE_CHECKING +#define gcc_gimple_checking_assert(EXPR) gcc_assert (EXPR) extern void gimple_check_failed (const_gimple, const char *, int, \ const char *, enum gimple_code, \ enum tree_code) ATTRIBUTE_NORETURN; @@ -72,6 +66,7 @@ extern void gimple_check_failed (const_gimple, const char *, int, \ (CODE), ERROR_MARK); \ } while (0) #else /* not ENABLE_GIMPLE_CHECKING */ +#define gcc_gimple_checking_assert(EXPR) ((void)(0 && (EXPR))) #define GIMPLE_CHECK(GS, CODE) (void)0 #endif @@ -80,6 +75,7 @@ extern void gimple_check_failed (const_gimple, const char *, int, \ enum gimple_rhs_class { GIMPLE_INVALID_RHS, /* The expression cannot be used on the RHS. */ + GIMPLE_TERNARY_RHS, /* The expression is a ternary operation. */ 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 @@ -105,6 +101,7 @@ enum gf_mask { GF_CALL_RETURN_SLOT_OPT = 1 << 2, GF_CALL_TAILCALL = 1 << 3, GF_CALL_VA_ARG_PACK = 1 << 4, + GF_CALL_NOTHROW = 1 << 5, GF_OMP_PARALLEL_COMBINED = 1 << 0, /* True on an GIMPLE_OMP_RETURN statement if the return does not require @@ -117,6 +114,14 @@ enum gf_mask { GF_PREDICT_TAKEN = 1 << 15 }; +/* Currently, there's only one type of gimple debug stmt. Others are + envisioned, for example, to enable the generation of is_stmt notes + in line number information, to mark sequence points, etc. This + subcode is to be used to tell them apart. */ +enum gimple_debug_subcode { + GIMPLE_DEBUG_BIND = 0 +}; + /* 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 { @@ -212,6 +217,13 @@ gimple_seq_empty_p (const_gimple_seq s) void gimple_seq_add_stmt (gimple_seq *, gimple); +/* Link gimple statement GS to the end of the sequence *SEQ_P. If + *SEQ_P is NULL, a new sequence is allocated. This function is + similar to gimple_seq_add_stmt, but does not scan the operands. + During gimplification, we need to manipulate statement sequences + before the def/use vectors have been constructed. */ +void gimplify_seq_add_stmt (gimple_seq *, gimple); + /* Allocate a new sequence and initialize its first element with STMT. */ static inline gimple_seq @@ -237,7 +249,7 @@ bb_seq (const_basic_block bb) static inline void set_bb_seq (basic_block bb, gimple_seq seq) { - gcc_assert (!(bb->flags & BB_RTL)); + gcc_checking_assert (!(bb->flags & BB_RTL)); bb->il.gimple->seq = seq; } @@ -382,6 +394,25 @@ struct GTY(()) gimple_statement_with_memory_ops }; +/* Call statements that take both memory and register operands. */ + +struct GTY(()) gimple_statement_call +{ + /* [ WORD 1-8 ] */ + struct gimple_statement_with_memory_ops_base membase; + + /* [ WORD 9-12 ] */ + struct pt_solution call_used; + struct pt_solution call_clobbered; + + /* [ 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]; +}; + + /* OpenMP statements (#pragma omp). */ struct GTY(()) gimple_statement_omp { @@ -436,9 +467,6 @@ struct GTY(()) gimple_statement_eh_filter { /* [ 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; @@ -449,6 +477,16 @@ struct GTY(()) gimple_statement_eh_filter { }; +/* GIMPLE_EH_MUST_NOT_THROW */ + +struct GTY(()) gimple_statement_eh_mnt { + /* [ WORD 1-4 ] */ + struct gimple_statement_base gsbase; + + /* [ WORD 5 ] Abort function decl. */ + tree fndecl; +}; + /* GIMPLE_PHI */ struct GTY(()) gimple_statement_phi { @@ -467,9 +505,10 @@ struct GTY(()) gimple_statement_phi { }; -/* GIMPLE_RESX */ +/* GIMPLE_RESX, GIMPLE_EH_DISPATCH */ -struct GTY(()) gimple_statement_resx { +struct GTY(()) gimple_statement_eh_ctrl +{ /* [ WORD 1-4 ] */ struct gimple_statement_base gsbase; @@ -537,10 +576,11 @@ struct GTY(()) gimple_statement_asm const char *string; /* [ WORD 10 ] - Number of inputs, outputs and clobbers. */ + Number of inputs, outputs, clobbers, labels. */ unsigned char ni; unsigned char no; - unsigned short nc; + unsigned char nc; + unsigned char nl; /* [ WORD 11 ] Operand vector. NOTE! This must always be the last field @@ -567,13 +607,13 @@ struct GTY(()) gimple_omp_for_iter { /* Index variable. */ tree index; - + /* Initial value. */ tree initial; /* Final value. */ tree final; - + /* Increment. */ tree incr; }; @@ -683,7 +723,7 @@ struct GTY(()) gimple_statement_omp_single { }; -/* GIMPLE_OMP_ATOMIC_LOAD. +/* 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. */ @@ -706,27 +746,30 @@ struct GTY(()) gimple_statement_omp_atomic_store { tree val; }; +#define DEFGSSTRUCT(SYM, STRUCT, HAS_TREE_OP) SYM, enum gimple_statement_structure_enum { -#define DEFGSSTRUCT(SYM, STRING) SYM, #include "gsstruct.def" -#undef DEFGSSTRUCT LAST_GSS_ENUM }; +#undef DEFGSSTRUCT /* Define the overall contents of a gimple tuple. It may be any of the structures declared above for various types of tuples. */ -union GTY ((desc ("gimple_statement_structure (&%h)"))) gimple_statement_d { +union GTY ((desc ("gimple_statement_structure (&%h)"), variable_size)) gimple_statement_d { 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_base GTY ((tag ("GSS_WITH_MEM_OPS_BASE"))) gsmembase; struct gimple_statement_with_memory_ops GTY ((tag ("GSS_WITH_MEM_OPS"))) gsmem; + struct gimple_statement_call GTY ((tag ("GSS_CALL"))) gimple_call; 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_eh_mnt GTY ((tag ("GSS_EH_MNT"))) gimple_eh_mnt; struct gimple_statement_phi GTY ((tag ("GSS_PHI"))) gimple_phi; - struct gimple_statement_resx GTY ((tag ("GSS_RESX"))) gimple_resx; + struct gimple_statement_eh_ctrl GTY ((tag ("GSS_EH_CTRL"))) gimple_eh_ctrl; 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; @@ -742,17 +785,35 @@ union GTY ((desc ("gimple_statement_structure (&%h)"))) gimple_statement_d { }; /* In gimple.c. */ + +/* Offset in bytes to the location of the operand vector. + Zero if there is no operand vector for this tuple structure. */ +extern size_t const gimple_ops_offset_[]; + +/* Map GIMPLE codes to GSS codes. */ +extern enum gimple_statement_structure_enum const gss_for_code_[]; + +/* This variable holds the currently expanded gimple statement for purposes + of comminucating the profile info to the builtin expanders. */ +extern gimple currently_expanding_gimple_stmt; + 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 *); +void extract_ops_from_tree_1 (tree, enum tree_code *, tree *, 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) + 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, NULL_TREE MEM_STAT_INFO) +#define gimple_build_assign_with_ops3(c,o1,o2,o3,o4) \ + gimple_build_assign_with_ops_stat (c, o1, o2, o3, o4 MEM_STAT_INFO) + +gimple gimple_build_debug_bind_stat (tree, tree, gimple MEM_STAT_DECL); +#define gimple_build_debug_bind(var,val,stmt) \ + gimple_build_debug_bind_stat ((var), (val), (stmt) MEM_STAT_INFO) gimple gimple_build_call_vec (tree, VEC(tree, heap) *); gimple gimple_build_call (tree, unsigned, ...); @@ -763,14 +824,16 @@ 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) *); + VEC(tree,gc) *, VEC(tree,gc) *); gimple gimple_build_catch (tree, gimple_seq); gimple gimple_build_eh_filter (tree, gimple_seq); +gimple gimple_build_eh_must_not_throw (tree); gimple gimple_build_try (gimple_seq, gimple_seq, enum gimple_try_flags); gimple gimple_build_wce (gimple_seq); gimple gimple_build_resx (int); +gimple gimple_build_eh_dispatch (int); +gimple gimple_build_switch_nlabels (unsigned, tree, tree); 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); @@ -789,7 +852,6 @@ 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); @@ -800,19 +862,20 @@ 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); +int gimple_call_return_flags (const_gimple); +int gimple_call_arg_flags (const_gimple, unsigned); +void gimple_call_reset_alias_info (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); +void gimple_assign_set_rhs_with_ops_1 (gimple_stmt_iterator *, enum tree_code, + tree, tree, tree); tree gimple_get_lhs (const_gimple); void gimple_set_lhs (gimple, tree); +void gimple_replace_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); @@ -820,10 +883,17 @@ 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_could_trap_p_1 (gimple, bool, bool); 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); +#define gimple_alloc(c, n) gimple_alloc_stat (c, n MEM_STAT_INFO) +gimple gimple_alloc_stat (enum gimple_code, unsigned MEM_STAT_DECL); +const char *gimple_decl_printable_name (tree, int); +tree gimple_fold_obj_type_ref (tree, tree); +tree gimple_get_relevant_ref_binfo (tree ref, tree known_binfo); +tree gimple_fold_obj_type_ref_known_binfo (HOST_WIDE_INT, tree); /* Returns true iff T is a valid GIMPLE statement. */ extern bool is_gimple_stmt (tree); @@ -860,6 +930,8 @@ extern bool is_gimple_ip_invariant (const_tree); 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 address operand of a MEM_REF. */ +bool is_gimple_mem_ref_addr (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. */ @@ -869,8 +941,6 @@ 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); @@ -880,6 +950,16 @@ extern bool is_gimple_call_addr (tree); extern tree get_call_expr_in (tree t); extern void recalculate_side_effects (tree); +extern bool gimple_compare_field_offset (tree, tree); +extern tree gimple_register_type (tree); +extern tree gimple_register_canonical_type (tree); +enum gtc_mode { GTC_MERGE = 0, GTC_DIAG = 1 }; +extern bool gimple_types_compatible_p (tree, tree, enum gtc_mode); +extern void print_gimple_types_stats (void); +extern void free_gimple_type_tables (void); +extern tree gimple_unsigned_type (tree); +extern tree gimple_signed_type (tree); +extern alias_set_type gimple_get_alias_set (tree); extern void count_uses_and_derefs (tree, gimple, unsigned *, unsigned *, unsigned *); extern bool walk_stmt_load_store_addr_ops (gimple, void *, @@ -890,15 +970,16 @@ extern bool walk_stmt_load_store_ops (gimple, void *, bool (*)(gimple, tree, void *), bool (*)(gimple, tree, void *)); extern bool gimple_ior_addresses_taken (bitmap, gimple); +extern bool gimple_call_builtin_p (gimple, enum built_in_function); /* 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 create_tmp_reg (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 @@ -940,7 +1021,7 @@ struct gimplify_ctx 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; @@ -967,8 +1048,6 @@ 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 *); @@ -979,7 +1058,6 @@ 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. */ @@ -997,6 +1075,7 @@ extern bool validate_gimple_arglist (const_gimple, ...); /* In tree-ssa.c */ extern bool tree_ssa_useless_type_conversion (tree); +extern tree tree_ssa_strip_useless_type_conversions (tree); extern bool useless_type_conversion_p (tree, tree); extern bool types_compatible_p (tree, tree); @@ -1009,6 +1088,25 @@ gimple_code (const_gimple g) } +/* Return the GSS code used by a GIMPLE code. */ + +static inline enum gimple_statement_structure_enum +gss_for_code (enum gimple_code code) +{ + gcc_gimple_checking_assert ((unsigned int)code < LAST_AND_UNUSED_GIMPLE_CODE); + return gss_for_code_[code]; +} + + +/* Return which GSS code is used by GS. */ + +static inline enum gimple_statement_structure_enum +gimple_statement_structure (gimple gs) +{ + return gss_for_code (gimple_code (gs)); +} + + /* Return true if statement G has sub-statements. This is only true for High GIMPLE statements. */ @@ -1037,7 +1135,7 @@ gimple_has_substatements (gimple g) return false; } } - + /* Return the basic block holding statement G. */ @@ -1235,7 +1333,7 @@ gimple_def_ops (const_gimple g) static inline void gimple_set_def_ops (gimple g, struct def_optype_d *def) { - gcc_assert (gimple_has_ops (g)); + gcc_gimple_checking_assert (gimple_has_ops (g)); g->gsops.opbase.def_ops = def; } @@ -1256,7 +1354,7 @@ gimple_use_ops (const_gimple g) static inline void gimple_set_use_ops (gimple g, struct use_optype_d *use) { - gcc_assert (gimple_has_ops (g)); + gcc_gimple_checking_assert (gimple_has_ops (g)); g->gsops.opbase.use_ops = use; } @@ -1271,7 +1369,7 @@ gimple_vuse_op (const_gimple g) return NULL_USE_OPERAND_P; ops = g->gsops.opbase.use_ops; if (ops - && USE_OP_PTR (ops)->use == &g->gsmem.membase.vuse) + && USE_OP_PTR (ops)->use == &g->gsmembase.vuse) return USE_OP_PTR (ops); return NULL_USE_OPERAND_P; } @@ -1286,7 +1384,7 @@ gimple_vdef_op (const_gimple g) return NULL_DEF_OPERAND_P; ops = g->gsops.opbase.def_ops; if (ops - && DEF_OP_PTR (ops) == &g->gsmem.membase.vdef) + && DEF_OP_PTR (ops) == &g->gsmembase.vdef) return DEF_OP_PTR (ops); return NULL_DEF_OPERAND_P; } @@ -1299,7 +1397,7 @@ gimple_vuse (const_gimple g) { if (!gimple_has_mem_ops (g)) return NULL_TREE; - return g->gsmem.membase.vuse; + return g->gsmembase.vuse; } /* Return the single VDEF operand of the statement G. */ @@ -1309,7 +1407,7 @@ gimple_vdef (const_gimple g) { if (!gimple_has_mem_ops (g)) return NULL_TREE; - return g->gsmem.membase.vdef; + return g->gsmembase.vdef; } /* Return the single VUSE operand of the statement G. */ @@ -1319,7 +1417,7 @@ gimple_vuse_ptr (gimple g) { if (!gimple_has_mem_ops (g)) return NULL; - return &g->gsmem.membase.vuse; + return &g->gsmembase.vuse; } /* Return the single VDEF operand of the statement G. */ @@ -1329,7 +1427,7 @@ gimple_vdef_ptr (gimple g) { if (!gimple_has_mem_ops (g)) return NULL; - return &g->gsmem.membase.vdef; + return &g->gsmembase.vdef; } /* Set the single VUSE operand of the statement G. */ @@ -1337,8 +1435,8 @@ gimple_vdef_ptr (gimple g) static inline void gimple_set_vuse (gimple g, tree vuse) { - gcc_assert (gimple_has_mem_ops (g)); - g->gsmem.membase.vuse = vuse; + gcc_gimple_checking_assert (gimple_has_mem_ops (g)); + g->gsmembase.vuse = vuse; } /* Set the single VDEF operand of the statement G. */ @@ -1346,8 +1444,8 @@ gimple_set_vuse (gimple g, tree vuse) static inline void gimple_set_vdef (gimple g, tree vdef) { - gcc_assert (gimple_has_mem_ops (g)); - g->gsmem.membase.vdef = vdef; + gcc_gimple_checking_assert (gimple_has_mem_ops (g)); + g->gsmembase.vdef = vdef; } @@ -1373,10 +1471,11 @@ 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 (); + { + gcc_gimple_checking_assert (code == GIMPLE_CALL); + return CALL_EXPR; + } } @@ -1437,7 +1536,7 @@ gimple_references_memory_p (gimple stmt) static inline unsigned gimple_omp_subcode (const_gimple s) { - gcc_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD + gcc_gimple_checking_assert (gimple_code (s) >= GIMPLE_OMP_ATOMIC_LOAD && gimple_code (s) <= GIMPLE_OMP_SINGLE); return s->gsbase.subcode; } @@ -1449,7 +1548,7 @@ 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)); + gcc_gimple_checking_assert (subcode < (1 << 16)); s->gsbase.subcode = subcode; } @@ -1543,16 +1642,15 @@ gimple_set_num_ops (gimple gs, unsigned num_ops) 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; + size_t off; /* All the tuples have their operand vector at the very bottom - of the structure. */ - return ((tree *) ((char *) gs + gimple_ops_offset_[gimple_code (gs)])); + of the structure. Note that those structures that do not + have an operand vector have a zero offset. */ + off = gimple_ops_offset_[gimple_statement_structure (gs)]; + gcc_gimple_checking_assert (off != 0); + + return (tree *) ((char *) gs + off); } @@ -1563,7 +1661,7 @@ gimple_op (const_gimple gs, unsigned i) { if (gimple_has_ops (gs)) { - gcc_assert (i < gimple_num_ops (gs)); + gcc_gimple_checking_assert (i < gimple_num_ops (gs)); return gimple_ops (CONST_CAST_GIMPLE (gs))[i]; } else @@ -1577,7 +1675,7 @@ gimple_op_ptr (const_gimple gs, unsigned i) { if (gimple_has_ops (gs)) { - gcc_assert (i < gimple_num_ops (gs)); + gcc_gimple_checking_assert (i < gimple_num_ops (gs)); return gimple_ops (CONST_CAST_GIMPLE (gs)) + i; } else @@ -1589,7 +1687,7 @@ gimple_op_ptr (const_gimple gs, unsigned i) static inline void gimple_set_op (gimple gs, unsigned i, tree op) { - gcc_assert (gimple_has_ops (gs) && i < gimple_num_ops (gs)); + gcc_gimple_checking_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 @@ -1641,7 +1739,6 @@ 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) @@ -1676,13 +1773,6 @@ 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); } @@ -1720,12 +1810,66 @@ 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); } +/* Return the third operand on the RHS of assignment statement GS. + If GS does not have two operands, NULL is returned instead. */ + +static inline tree +gimple_assign_rhs3 (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASSIGN); + + if (gimple_num_ops (gs) >= 4) + return gimple_op (gs, 3); + else + return NULL_TREE; +} + +/* Return a pointer to the third operand on the RHS of assignment + statement GS. */ + +static inline tree * +gimple_assign_rhs3_ptr (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASSIGN); + return gimple_op_ptr (gs, 3); +} + + +/* Set RHS to be the third operand on the RHS of assignment statement GS. */ + +static inline void +gimple_assign_set_rhs3 (gimple gs, tree rhs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASSIGN); + + gimple_set_op (gs, 3, rhs); +} + +/* A wrapper around gimple_assign_set_rhs_with_ops_1, for callers which expect + to see only a maximum of two operands. */ + +static inline void +gimple_assign_set_rhs_with_ops (gimple_stmt_iterator *gsi, enum tree_code code, + tree op1, tree op2) +{ + gimple_assign_set_rhs_with_ops_1 (gsi, code, op1, op2, NULL); +} + +/* A wrapper around extract_ops_from_tree_1, for callers which expect + to see only a maximum of two operands. */ + +static inline void +extract_ops_from_tree (tree expr, enum tree_code *code, tree *op0, + tree *op1) +{ + tree op2; + extract_ops_from_tree_1 (expr, code, op0, op1, &op2); + gcc_assert (op2 == NULL_TREE); +} + /* Returns true if GS is a nontemporal move. */ static inline bool @@ -1755,7 +1899,10 @@ gimple_assign_rhs_code (const_gimple gs) enum tree_code code; GIMPLE_CHECK (gs, GIMPLE_ASSIGN); - code = gimple_expr_code (gs); + code = (enum tree_code) gs->gsbase.subcode; + /* While we initially set subcode to the TREE_CODE of the rhs for + GIMPLE_SINGLE_RHS assigns we do not update that subcode to stay + in sync when we rewrite stmts into SSA form or do SSA propagations. */ if (get_gimple_rhs_class (code) == GIMPLE_SINGLE_RHS) code = TREE_CODE (gimple_assign_rhs1 (gs)); @@ -1784,6 +1931,19 @@ gimple_assign_rhs_class (const_gimple gs) return get_gimple_rhs_class (gimple_assign_rhs_code (gs)); } +/* Return true if GS is an assignment with a singleton RHS, i.e., + there is no operator associated with the assignment itself. + Unlike gimple_assign_copy_p, this predicate returns true for + any RHS operand, including those that perform an operation + and do not have the semantics of a copy, such as COND_EXPR. */ + +static inline bool +gimple_assign_single_p (gimple gs) +{ + return (is_gimple_assign (gs) + && gimple_assign_rhs_class (gs) == GIMPLE_SINGLE_RHS); +} + /* Return true if S is a type-cast assignment. */ @@ -1836,7 +1996,6 @@ 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; @@ -1871,7 +2030,6 @@ 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); } @@ -1882,8 +2040,7 @@ static inline void gimple_call_set_fndecl (gimple gs, tree decl) { GIMPLE_CHECK (gs, GIMPLE_CALL); - gcc_assert (TREE_CODE (decl) == FUNCTION_DECL); - gimple_set_op (gs, 1, build_fold_addr_expr (decl)); + gimple_set_op (gs, 1, build_fold_addr_expr_loc (gimple_location (gs), decl)); } @@ -1897,7 +2054,15 @@ gimple_call_fndecl (const_gimple gs) tree addr = gimple_call_fn (gs); if (TREE_CODE (addr) == ADDR_EXPR) { - gcc_assert (TREE_CODE (TREE_OPERAND (addr, 0)) == FUNCTION_DECL); + tree fndecl = TREE_OPERAND (addr, 0); + if (TREE_CODE (fndecl) == MEM_REF) + { + if (TREE_CODE (TREE_OPERAND (fndecl, 0)) == ADDR_EXPR + && integer_zerop (TREE_OPERAND (fndecl, 1))) + return TREE_OPERAND (TREE_OPERAND (fndecl, 0), 0); + else + return NULL_TREE; + } return TREE_OPERAND (addr, 0); } return NULL_TREE; @@ -1913,12 +2078,8 @@ gimple_call_return_type (const_gimple gs) tree type = TREE_TYPE (fn); /* See through the pointer. */ - gcc_assert (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); @@ -1950,9 +2111,7 @@ 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 - || SSA_VAR_P (chain)); + gimple_set_op (gs, 2, chain); } @@ -1965,7 +2124,6 @@ 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; } @@ -1997,7 +2155,6 @@ 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); } @@ -2134,6 +2291,19 @@ gimple_call_noreturn_p (gimple s) } +/* If NOTHROW_P is true, GIMPLE_CALL S is a call that is known to not throw + even if the called function can throw in other cases. */ + +static inline void +gimple_call_set_nothrow (gimple s, bool nothrow_p) +{ + GIMPLE_CHECK (s, GIMPLE_CALL); + if (nothrow_p) + s->gsbase.subcode |= GF_CALL_NOTHROW; + else + s->gsbase.subcode &= ~GF_CALL_NOTHROW; +} + /* Return true if S is a nothrow call. */ static inline bool @@ -2155,6 +2325,28 @@ gimple_call_copy_flags (gimple dest_call, gimple orig_call) } +/* Return a pointer to the points-to solution for the set of call-used + variables of the call CALL. */ + +static inline struct pt_solution * +gimple_call_use_set (gimple call) +{ + GIMPLE_CHECK (call, GIMPLE_CALL); + return &call->gimple_call.call_used; +} + + +/* Return a pointer to the points-to solution for the set of call-used + variables of the call CALL. */ + +static inline struct pt_solution * +gimple_call_clobber_set (gimple call) +{ + GIMPLE_CHECK (call, GIMPLE_CALL); + return &call->gimple_call.call_clobbered; +} + + /* Returns true if this is a GIMPLE_ASSIGN or a GIMPLE_CALL with a non-NULL lhs. */ @@ -2183,7 +2375,6 @@ 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; } @@ -2214,7 +2405,6 @@ 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); } @@ -2246,7 +2436,6 @@ 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); } @@ -2269,7 +2458,6 @@ 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); } @@ -2281,7 +2469,6 @@ 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); } @@ -2412,7 +2599,6 @@ 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); } @@ -2429,11 +2615,10 @@ gimple_goto_dest (const_gimple gs) /* Set DEST to be the destination of the unconditonal jump GS. */ -static inline void +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); } @@ -2529,7 +2714,8 @@ static inline void gimple_bind_set_block (gimple gs, tree block) { GIMPLE_CHECK (gs, GIMPLE_BIND); - gcc_assert (block == NULL_TREE || TREE_CODE (block) == BLOCK); + gcc_gimple_checking_assert (block == NULL_TREE + || TREE_CODE (block) == BLOCK); gs->gimple_bind.block = block; } @@ -2563,6 +2749,14 @@ gimple_asm_nclobbers (const_gimple gs) return gs->gimple_asm.nc; } +/* Return the number of label operands for GIMPLE_ASM GS. */ + +static inline unsigned +gimple_asm_nlabels (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + return gs->gimple_asm.nl; +} /* Return input operand INDEX of GIMPLE_ASM GS. */ @@ -2570,7 +2764,7 @@ static inline tree gimple_asm_input_op (const_gimple gs, unsigned index) { GIMPLE_CHECK (gs, GIMPLE_ASM); - gcc_assert (index <= gs->gimple_asm.ni); + gcc_gimple_checking_assert (index <= gs->gimple_asm.ni); return gimple_op (gs, index); } @@ -2580,7 +2774,7 @@ 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); + gcc_gimple_checking_assert (index <= gs->gimple_asm.ni); return gimple_op_ptr (gs, index); } @@ -2591,8 +2785,8 @@ 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); + gcc_gimple_checking_assert (index <= gs->gimple_asm.ni + && TREE_CODE (in_op) == TREE_LIST); gimple_set_op (gs, index, in_op); } @@ -2603,7 +2797,7 @@ static inline tree gimple_asm_output_op (const_gimple gs, unsigned index) { GIMPLE_CHECK (gs, GIMPLE_ASM); - gcc_assert (index <= gs->gimple_asm.no); + gcc_gimple_checking_assert (index <= gs->gimple_asm.no); return gimple_op (gs, index + gs->gimple_asm.ni); } @@ -2613,7 +2807,7 @@ 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); + gcc_gimple_checking_assert (index <= gs->gimple_asm.no); return gimple_op_ptr (gs, index + gs->gimple_asm.ni); } @@ -2624,8 +2818,8 @@ 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); + gcc_gimple_checking_assert (index <= gs->gimple_asm.no + && TREE_CODE (out_op) == TREE_LIST); gimple_set_op (gs, index + gs->gimple_asm.ni, out_op); } @@ -2636,7 +2830,7 @@ static inline tree gimple_asm_clobber_op (const_gimple gs, unsigned index) { GIMPLE_CHECK (gs, GIMPLE_ASM); - gcc_assert (index <= gs->gimple_asm.nc); + gcc_gimple_checking_assert (index <= gs->gimple_asm.nc); return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no); } @@ -2647,11 +2841,31 @@ 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); + gcc_gimple_checking_assert (index <= gs->gimple_asm.nc + && TREE_CODE (clobber_op) == TREE_LIST); gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.no, clobber_op); } +/* Return label operand INDEX of GIMPLE_ASM GS. */ + +static inline tree +gimple_asm_label_op (const_gimple gs, unsigned index) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + gcc_gimple_checking_assert (index <= gs->gimple_asm.nl); + return gimple_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc); +} + +/* Set LABEL_OP to be label operand INDEX in GIMPLE_ASM GS. */ + +static inline void +gimple_asm_set_label_op (gimple gs, unsigned index, tree label_op) +{ + GIMPLE_CHECK (gs, GIMPLE_ASM); + gcc_gimple_checking_assert (index <= gs->gimple_asm.nl + && TREE_CODE (label_op) == TREE_LIST); + gimple_set_op (gs, index + gs->gimple_asm.ni + gs->gimple_asm.nc, label_op); +} /* Return the string representing the assembly instruction in GIMPLE_ASM GS. */ @@ -2824,23 +3038,22 @@ gimple_eh_filter_set_failure (gimple gs, gimple_seq failure) gs->gimple_eh_filter.failure = failure; } -/* Return the EH_FILTER_MUST_NOT_THROW flag. */ - -static inline bool +/* Get the function decl to be called by the MUST_NOT_THROW region. */ -gimple_eh_filter_must_not_throw (gimple gs) +static inline tree +gimple_eh_must_not_throw_fndecl (gimple gs) { - GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); - return gs->gsbase.subcode != 0; + GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW); + return gs->gimple_eh_mnt.fndecl; } -/* Set the EH_FILTER_MUST_NOT_THROW flag to the value MNTP. */ +/* Set the function decl to be called by GS to DECL. */ static inline void -gimple_eh_filter_set_must_not_throw (gimple gs, bool mntp) +gimple_eh_must_not_throw_set_fndecl (gimple gs, tree decl) { - GIMPLE_CHECK (gs, GIMPLE_EH_FILTER); - gs->gsbase.subcode = (unsigned int) mntp; + GIMPLE_CHECK (gs, GIMPLE_EH_MUST_NOT_THROW); + gs->gimple_eh_mnt.fndecl = decl; } @@ -2863,7 +3076,8 @@ 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); + gcc_gimple_checking_assert (kind == GIMPLE_TRY_CATCH + || kind == GIMPLE_TRY_FINALLY); if (gimple_try_kind (gs) != kind) gs->gsbase.subcode = (unsigned int) kind; } @@ -2874,7 +3088,7 @@ gimple_try_set_kind (gimple gs, enum gimple_try_flags kind) static inline bool gimple_try_catch_is_cleanup (const_gimple gs) { - gcc_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH); + gcc_gimple_checking_assert (gimple_try_kind (gs) == GIMPLE_TRY_CATCH); return (gs->gsbase.subcode & GIMPLE_TRY_CATCH_IS_CLEANUP) != 0; } @@ -2905,7 +3119,7 @@ gimple_try_cleanup (gimple gs) static inline void gimple_try_set_catch_is_cleanup (gimple g, bool catch_is_cleanup) { - gcc_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH); + gcc_gimple_checking_assert (gimple_try_kind (g) == GIMPLE_TRY_CATCH); if (catch_is_cleanup) g->gsbase.subcode |= GIMPLE_TRY_CATCH_IS_CLEANUP; else @@ -3032,7 +3246,7 @@ 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); + gcc_gimple_checking_assert (index <= gs->gimple_phi.capacity); return &(gs->gimple_phi.args[index]); } @@ -3043,8 +3257,8 @@ 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)); + gcc_gimple_checking_assert (index <= gs->gimple_phi.nargs); + gs->gimple_phi.args[index] = *phiarg; } /* Return the region number for GIMPLE_RESX GS. */ @@ -3053,7 +3267,7 @@ static inline int gimple_resx_region (const_gimple gs) { GIMPLE_CHECK (gs, GIMPLE_RESX); - return gs->gimple_resx.region; + return gs->gimple_eh_ctrl.region; } /* Set REGION to be the region number for GIMPLE_RESX GS. */ @@ -3062,9 +3276,26 @@ static inline void gimple_resx_set_region (gimple gs, int region) { GIMPLE_CHECK (gs, GIMPLE_RESX); - gs->gimple_resx.region = region; + gs->gimple_eh_ctrl.region = region; } +/* Return the region number for GIMPLE_EH_DISPATCH GS. */ + +static inline int +gimple_eh_dispatch_region (const_gimple gs) +{ + GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH); + return gs->gimple_eh_ctrl.region; +} + +/* Set REGION to be the region number for GIMPLE_EH_DISPATCH GS. */ + +static inline void +gimple_eh_dispatch_set_region (gimple gs, int region) +{ + GIMPLE_CHECK (gs, GIMPLE_EH_DISPATCH); + gs->gimple_eh_ctrl.region = region; +} /* Return the number of labels associated with the switch statement GS. */ @@ -3074,7 +3305,7 @@ 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); + gcc_gimple_checking_assert (num_ops > 1); return num_ops - 1; } @@ -3115,7 +3346,7 @@ 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)); + gcc_gimple_checking_assert (SSA_VAR_P (index) || CONSTANT_CLASS_P (index)); gimple_set_op (gs, 0, index); } @@ -3127,7 +3358,7 @@ static inline tree gimple_switch_label (const_gimple gs, unsigned index) { GIMPLE_CHECK (gs, GIMPLE_SWITCH); - gcc_assert (gimple_num_ops (gs) > index + 1); + gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1); return gimple_op (gs, index + 1); } @@ -3137,8 +3368,9 @@ 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); + gcc_gimple_checking_assert (gimple_num_ops (gs) > index + 1 + && (label == NULL_TREE + || TREE_CODE (label) == CASE_LABEL_EXPR)); gimple_set_op (gs, index + 1, label); } @@ -3158,10 +3390,109 @@ gimple_switch_set_default_label (gimple gs, tree label) gimple_switch_set_label (gs, 0, label); } +/* Return true if GS is a GIMPLE_DEBUG statement. */ + +static inline bool +is_gimple_debug (const_gimple gs) +{ + return gimple_code (gs) == GIMPLE_DEBUG; +} + +/* Return true if S is a GIMPLE_DEBUG BIND statement. */ + +static inline bool +gimple_debug_bind_p (const_gimple s) +{ + if (is_gimple_debug (s)) + return s->gsbase.subcode == GIMPLE_DEBUG_BIND; + + return false; +} + +/* Return the variable bound in a GIMPLE_DEBUG bind statement. */ + +static inline tree +gimple_debug_bind_get_var (gimple dbg) +{ + GIMPLE_CHECK (dbg, GIMPLE_DEBUG); + gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); + return gimple_op (dbg, 0); +} + +/* Return the value bound to the variable in a GIMPLE_DEBUG bind + statement. */ + +static inline tree +gimple_debug_bind_get_value (gimple dbg) +{ + GIMPLE_CHECK (dbg, GIMPLE_DEBUG); + gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); + return gimple_op (dbg, 1); +} + +/* Return a pointer to the value bound to the variable in a + GIMPLE_DEBUG bind statement. */ + +static inline tree * +gimple_debug_bind_get_value_ptr (gimple dbg) +{ + GIMPLE_CHECK (dbg, GIMPLE_DEBUG); + gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); + return gimple_op_ptr (dbg, 1); +} + +/* Set the variable bound in a GIMPLE_DEBUG bind statement. */ + +static inline void +gimple_debug_bind_set_var (gimple dbg, tree var) +{ + GIMPLE_CHECK (dbg, GIMPLE_DEBUG); + gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); + gimple_set_op (dbg, 0, var); +} + +/* Set the value bound to the variable in a GIMPLE_DEBUG bind + statement. */ + +static inline void +gimple_debug_bind_set_value (gimple dbg, tree value) +{ + GIMPLE_CHECK (dbg, GIMPLE_DEBUG); + gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); + gimple_set_op (dbg, 1, value); +} + +/* The second operand of a GIMPLE_DEBUG_BIND, when the value was + optimized away. */ +#define GIMPLE_DEBUG_BIND_NOVALUE NULL_TREE /* error_mark_node */ + +/* Remove the value bound to the variable in a GIMPLE_DEBUG bind + statement. */ + +static inline void +gimple_debug_bind_reset_value (gimple dbg) +{ + GIMPLE_CHECK (dbg, GIMPLE_DEBUG); + gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); + gimple_set_op (dbg, 1, GIMPLE_DEBUG_BIND_NOVALUE); +} + +/* Return true if the GIMPLE_DEBUG bind statement is bound to a + value. */ + +static inline bool +gimple_debug_bind_has_value_p (gimple dbg) +{ + GIMPLE_CHECK (dbg, GIMPLE_DEBUG); + gcc_gimple_checking_assert (gimple_debug_bind_p (dbg)); + return gimple_op (dbg, 1) != GIMPLE_DEBUG_BIND_NOVALUE; +} + +#undef GIMPLE_DEBUG_BIND_NOVALUE /* Return the body for the OMP statement GS. */ -static inline gimple_seq +static inline gimple_seq gimple_omp_body (gimple gs) { return gs->omp.body; @@ -3252,7 +3583,7 @@ 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); + gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); return gs->gimple_omp_for.iter[i].index; } @@ -3263,7 +3594,7 @@ 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); + gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); return &gs->gimple_omp_for.iter[i].index; } @@ -3274,7 +3605,7 @@ 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); + gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); gs->gimple_omp_for.iter[i].index = index; } @@ -3285,7 +3616,7 @@ 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); + gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); return gs->gimple_omp_for.iter[i].initial; } @@ -3296,7 +3627,7 @@ 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); + gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); return &gs->gimple_omp_for.iter[i].initial; } @@ -3307,7 +3638,7 @@ 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); + gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); gs->gimple_omp_for.iter[i].initial = initial; } @@ -3318,7 +3649,7 @@ 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); + gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); return gs->gimple_omp_for.iter[i].final; } @@ -3329,7 +3660,7 @@ 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); + gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); return &gs->gimple_omp_for.iter[i].final; } @@ -3340,7 +3671,7 @@ 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); + gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); gs->gimple_omp_for.iter[i].final = final; } @@ -3351,7 +3682,7 @@ 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); + gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); return gs->gimple_omp_for.iter[i].incr; } @@ -3362,7 +3693,7 @@ 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); + gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); return &gs->gimple_omp_for.iter[i].incr; } @@ -3373,7 +3704,7 @@ 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); + gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); gs->gimple_omp_for.iter[i].incr = incr; } @@ -3875,8 +4206,8 @@ 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); + gcc_gimple_checking_assert (TREE_CODE_CLASS (cond) == tcc_comparison + && i < gs->gimple_omp_for.collapse); gs->gimple_omp_for.iter[i].cond = cond; } @@ -3887,7 +4218,7 @@ 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); + gcc_gimple_checking_assert (i < gs->gimple_omp_for.collapse); return gs->gimple_omp_for.iter[i].cond; } @@ -4046,7 +4377,6 @@ 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); } @@ -4056,7 +4386,6 @@ 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); } @@ -4067,33 +4396,38 @@ 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. */ +#define CASE_GIMPLE_OMP \ + case GIMPLE_OMP_PARALLEL: \ + case GIMPLE_OMP_TASK: \ + case GIMPLE_OMP_FOR: \ + case GIMPLE_OMP_SECTIONS: \ + case GIMPLE_OMP_SECTIONS_SWITCH: \ + case GIMPLE_OMP_SINGLE: \ + case GIMPLE_OMP_SECTION: \ + case GIMPLE_OMP_MASTER: \ + case GIMPLE_OMP_ORDERED: \ + case GIMPLE_OMP_CRITICAL: \ + case GIMPLE_OMP_RETURN: \ + case GIMPLE_OMP_ATOMIC_LOAD: \ + case GIMPLE_OMP_ATOMIC_STORE: \ + case GIMPLE_OMP_CONTINUE + 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); + switch (gimple_code (stmt)) + { + CASE_GIMPLE_OMP: + return true; + default: + return false; + } } @@ -4106,69 +4440,14 @@ gimple_nop_p (const_gimple g) } -/* Return the new type set by GIMPLE_CHANGE_DYNAMIC_TYPE statement GS. */ +/* Return true if GS is a GIMPLE_RESX. */ -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) +static inline bool +is_gimple_resx (const_gimple gs) { - GIMPLE_CHECK (gs, GIMPLE_CHANGE_DYNAMIC_TYPE); - gimple_set_op (gs, 0, ptr); + return gimple_code (gs) == GIMPLE_RESX; } - /* Return the predictor of GIMPLE_PREDICT statement GS. */ static inline enum br_predictor @@ -4273,7 +4552,7 @@ 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; @@ -4371,8 +4650,60 @@ gsi_after_labels (basic_block bb) return gsi; } +/* Advance the iterator to the next non-debug gimple statement. */ + +static inline void +gsi_next_nondebug (gimple_stmt_iterator *i) +{ + do + { + gsi_next (i); + } + while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i))); +} + +/* Advance the iterator to the next non-debug gimple statement. */ + +static inline void +gsi_prev_nondebug (gimple_stmt_iterator *i) +{ + do + { + gsi_prev (i); + } + while (!gsi_end_p (*i) && is_gimple_debug (gsi_stmt (*i))); +} + +/* Return a new iterator pointing to the first non-debug statement in + basic block BB. */ + +static inline gimple_stmt_iterator +gsi_start_nondebug_bb (basic_block bb) +{ + gimple_stmt_iterator i = gsi_start_bb (bb); + + if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i))) + gsi_next_nondebug (&i); + + return i; +} + +/* Return a new iterator pointing to the last non-debug statement in + basic block BB. */ + +static inline gimple_stmt_iterator +gsi_last_nondebug_bb (basic_block bb) +{ + gimple_stmt_iterator i = gsi_last_bb (bb); + + if (!gsi_end_p (i) && is_gimple_debug (gsi_stmt (i))) + gsi_prev_nondebug (&i); + + return i; +} + /* 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. */ @@ -4548,4 +4879,20 @@ gimple_alloc_kind (enum gimple_code code) extern void dump_gimple_statistics (void); +/* In gimple-fold.c. */ +void gimplify_and_update_call_from_tree (gimple_stmt_iterator *, tree); +tree gimple_fold_builtin (gimple); +bool fold_stmt (gimple_stmt_iterator *); +bool fold_stmt_inplace (gimple); +tree maybe_fold_offset_to_address (location_t, tree, tree, tree); +tree maybe_fold_offset_to_reference (location_t, tree, tree, tree); +tree maybe_fold_stmt_addition (location_t, tree, tree, tree); +tree get_symbol_constant_value (tree); +tree canonicalize_constructor_val (tree); +bool may_propagate_address_into_dereference (tree, tree); +extern tree maybe_fold_and_comparisons (enum tree_code, tree, tree, + enum tree_code, tree, tree); +extern tree maybe_fold_or_comparisons (enum tree_code, tree, tree, + enum tree_code, tree, tree); + #endif /* GCC_GIMPLE_H */