#ifndef GCC_CFGHOOKS_H
#define GCC_CFGHOOKS_H
struct cfg_hooks
{
const char *name;
int (*verify_flow_info) (void);
void (*dump_bb) (basic_block, FILE *, int);
basic_block (*create_basic_block) (void *head, void *end, basic_block after);
edge (*redirect_edge_and_branch) (edge e, basic_block b);
basic_block (*redirect_edge_and_branch_force) (edge, basic_block);
void (*delete_basic_block) (basic_block);
basic_block (*split_block) (basic_block b, void * i);
bool (*move_block_after) (basic_block b, basic_block a);
bool (*can_merge_blocks_p) (basic_block a, basic_block b);
void (*merge_blocks) (basic_block a, basic_block b);
void (*predict_edge) (edge e, enum br_predictor predictor, int probability);
bool (*predicted_by_p) (basic_block bb, enum br_predictor predictor);
bool (*can_duplicate_block_p) (basic_block a);
basic_block (*duplicate_block) (basic_block a);
basic_block (*split_edge) (edge);
void (*make_forwarder_block) (edge);
void (*tidy_fallthru_edge) (edge);
bool (*block_ends_with_call_p) (basic_block);
bool (*block_ends_with_condjump_p) (basic_block);
int (*flow_call_edges_add) (sbitmap);
void (*execute_on_growing_pred) (edge);
void (*execute_on_shrinking_pred) (edge);
bool (*cfg_hook_duplicate_loop_to_header_edge) (struct loop *loop, edge e,
struct loops *loops,
unsigned int ndupl,
sbitmap wont_exit,
edge orig, edge *to_remove,
unsigned int *n_to_remove,
int flags);
void (*lv_add_condition_to_bb) (basic_block, basic_block, basic_block,
void *);
void (*lv_adjust_loop_header_phi) (basic_block, basic_block,
basic_block, edge);
void (*extract_cond_bb_edges) (basic_block, edge *, edge *);
void (*flush_pending_stmts) (edge);
};
extern void verify_flow_info (void);
extern void dump_bb (basic_block, FILE *, int);
extern edge redirect_edge_and_branch (edge, basic_block);
extern basic_block redirect_edge_and_branch_force (edge, basic_block);
extern edge split_block (basic_block, void *);
extern edge split_block_after_labels (basic_block);
extern bool move_block_after (basic_block, basic_block);
extern void delete_basic_block (basic_block);
extern basic_block split_edge (edge);
extern basic_block create_basic_block (void *, void *, basic_block);
extern basic_block create_empty_bb (basic_block);
extern bool can_merge_blocks_p (basic_block, basic_block);
extern void merge_blocks (basic_block, basic_block);
extern edge make_forwarder_block (basic_block, bool (*)(edge),
void (*) (basic_block));
extern void tidy_fallthru_edge (edge);
extern void tidy_fallthru_edges (void);
extern void predict_edge (edge e, enum br_predictor predictor, int probability);
extern bool predicted_by_p (basic_block bb, enum br_predictor predictor);
extern bool can_duplicate_block_p (basic_block);
extern basic_block duplicate_block (basic_block, edge, basic_block);
extern bool block_ends_with_call_p (basic_block bb);
extern bool block_ends_with_condjump_p (basic_block bb);
extern int flow_call_edges_add (sbitmap);
extern void execute_on_growing_pred (edge);
extern void execute_on_shrinking_pred (edge);
extern bool cfg_hook_duplicate_loop_to_header_edge (struct loop *loop, edge,
struct loops *loops,
unsigned int ndupl,
sbitmap wont_exit,
edge orig, edge *to_remove,
unsigned int *n_to_remove,
int flags);
extern void lv_flush_pending_stmts (edge);
extern void extract_cond_bb_edges (basic_block, edge *, edge*);
extern void lv_adjust_loop_header_phi (basic_block, basic_block, basic_block,
edge);
extern void lv_add_condition_to_bb (basic_block, basic_block, basic_block,
void *);
extern struct cfg_hooks tree_cfg_hooks;
extern struct cfg_hooks rtl_cfg_hooks;
extern struct cfg_hooks cfg_layout_rtl_cfg_hooks;
extern int ir_type (void);
extern void rtl_register_cfg_hooks (void);
extern void cfg_layout_rtl_register_cfg_hooks (void);
extern void tree_register_cfg_hooks (void);
#endif