in the v_may_def list. */
unsigned in_v_may_def_list : 1;
+ /* True for HEAP and PARM_NOALIAS artificial variables. */
+ unsigned is_heapvar : 1;
+
/* An artificial variable representing the memory location pointed-to by
all the pointer symbols that flow-insensitive alias analysis
(mostly type-based) considers to be aliased. If the variable is
typedef struct var_ann_d *var_ann_t;
typedef struct function_ann_d *function_ann_t;
typedef struct stmt_ann_d *stmt_ann_t;
+typedef struct tree_ann_common_d *tree_ann_common_t;
-static inline tree_ann_t tree_ann (tree);
-static inline tree_ann_t get_tree_ann (tree);
+static inline tree_ann_common_t tree_common_ann (tree);
+static inline tree_ann_common_t get_tree_common_ann (tree);
static inline var_ann_t var_ann (tree);
static inline var_ann_t get_var_ann (tree);
static inline function_ann_t function_ann (tree);
static inline function_ann_t get_function_ann (tree);
static inline stmt_ann_t stmt_ann (tree);
+static inline bool has_stmt_ann (tree);
static inline stmt_ann_t get_stmt_ann (tree);
static inline enum tree_ann_type ann_type (tree_ann_t);
static inline basic_block bb_for_stmt (tree);
/* Array of all variables referenced in the function. */
extern GTY((param_is (struct int_tree_map))) htab_t referenced_vars;
-/* List of referenced variables in the function with duplicate UID's. */
-extern VEC(tree,gc) *referenced_vars_dup_list;
/* Default defs for undefined symbols. */
extern GTY((param_is (struct int_tree_map))) htab_t default_defs;
extern tree referenced_var_lookup (unsigned int);
+extern bool referenced_var_check_and_insert (tree);
#define num_referenced_vars htab_elements (referenced_vars)
#define referenced_var(i) referenced_var_lookup (i)
/* Artificial variable used to model the effects of function calls. */
extern GTY(()) tree global_var;
+/* Artificial variable used to model the effects of nonlocal
+ variables. */
+extern GTY(()) tree nonlocal_all;
+
/* Call clobbered variables in the function. If bit I is set, then
REFERENCED_VARS (I) is call-clobbered. */
extern bitmap call_clobbered_vars;
extern bool is_ctrl_altering_stmt (tree);
extern bool computed_goto_p (tree);
extern bool simple_goto_p (tree);
+extern bool tree_can_make_abnormal_goto (tree);
extern basic_block single_noncomplex_succ (basic_block bb);
extern void tree_dump_bb (basic_block, FILE *, int);
extern void debug_tree_bb (basic_block);
basic_block *);
extern void add_phi_args_after_copy_bb (basic_block);
extern void add_phi_args_after_copy (basic_block *, unsigned);
+extern bool tree_purge_dead_abnormal_call_edges (basic_block);
extern bool tree_purge_dead_eh_edges (basic_block);
extern bool tree_purge_all_dead_eh_edges (bitmap);
extern tree gimplify_val (block_stmt_iterator *, tree, tree);
tree, tree, tree, tree);
extern void init_empty_tree_cfg (void);
extern void fold_cond_expr_cond (void);
+extern void make_abnormal_goto_edges (basic_block, bool);
extern void replace_uses_by (tree, tree);
extern void start_recording_case_labels (void);
extern void end_recording_case_labels (void);
extern var_ann_t create_var_ann (tree);
extern function_ann_t create_function_ann (tree);
extern stmt_ann_t create_stmt_ann (tree);
-extern tree_ann_t create_tree_ann (tree);
+extern tree_ann_common_t create_tree_common_ann (tree);
extern void dump_dfa_stats (FILE *);
extern void debug_dfa_stats (void);
extern void debug_referenced_vars (void);
extern bool may_be_aliased (tree);
extern bool is_aliased_with (tree, tree);
extern struct ptr_info_def *get_ptr_info (tree);
-extern void new_type_alias (tree, tree);
+extern void new_type_alias (tree, tree, tree);
extern void count_uses_and_derefs (tree, tree, unsigned *, unsigned *, bool *);
static inline subvar_t get_subvars_for_var (tree);
static inline tree get_subvar_at (tree, unsigned HOST_WIDE_INT);
void register_new_name_mapping (tree, tree);
tree create_new_def_for (tree, tree, def_operand_p);
bool need_ssa_update_p (void);
+bool name_mappings_registered_p (void);
bool name_registered_for_update_p (tree);
bitmap ssa_names_to_replace (void);
void release_ssa_name_after_update_ssa (tree name);
};
/* In tree-vectorizer.c */
-void vectorize_loops (struct loops *);
+unsigned vectorize_loops (struct loops *);
+extern bool vect_can_force_dr_alignment_p (tree, unsigned int);
+extern tree get_vectype_for_scalar_type (tree);
/* In tree-ssa-phiopt.c */
bool empty_block_p (basic_block);
/* In tree-ssa-loop*.c */
void tree_ssa_lim (struct loops *);
-void tree_ssa_unswitch_loops (struct loops *);
-void canonicalize_induction_variables (struct loops *);
-void tree_unroll_loops_completely (struct loops *, bool);
-void tree_ssa_prefetch_arrays (struct loops *);
-void remove_empty_loops (struct loops *);
+unsigned int tree_ssa_unswitch_loops (struct loops *);
+unsigned int canonicalize_induction_variables (struct loops *);
+unsigned int tree_unroll_loops_completely (struct loops *, bool);
+unsigned int tree_ssa_prefetch_arrays (struct loops *);
+unsigned int remove_empty_loops (struct loops *);
void tree_ssa_iv_optimize (struct loops *);
bool number_of_iterations_exit (struct loop *, edge,
/* In tree-vn.c */
bool expressions_equal_p (tree, tree);
-tree get_value_handle (tree);
+static inline tree get_value_handle (tree);
hashval_t vn_compute (tree, hashval_t);
void sort_vuses (VEC (tree, gc) *);
tree vn_lookup_or_add (tree, tree);
extern void recalculate_used_alone (void);
extern bool updating_used_alone;
+
+int least_common_multiple (int, int);
+
#endif /* _TREE_FLOW_H */
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