/* Hooks for cfg representation specific functions.
- Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008
+ Free Software Foundation, Inc.
Contributed by Sebastian Pop <s.pop@laposte.net>
This file is part of GCC.
/* Debugging. */
int (*verify_flow_info) (void);
- void (*dump_bb) (basic_block, FILE *, int);
+ void (*dump_bb) (basic_block, FILE *, int, int);
/* Basic CFG manipulation. */
/* Returns true if it is possible to remove the edge by redirecting it
to the destination of the other edge going from its source. */
- bool (*can_remove_branch_p) (edge);
+ bool (*can_remove_branch_p) (const_edge);
/* Remove statements corresponding to a given basic block. */
void (*delete_basic_block) (basic_block);
/* Creates a new basic block just after basic block B by splitting
everything after specified instruction I. */
basic_block (*split_block) (basic_block b, void * i);
-
+
/* Move block B immediately after block A. */
bool (*move_block_after) (basic_block b, basic_block a);
/* Return true if the one of outgoing edges is already predicted by
PREDICTOR. */
- bool (*predicted_by_p) (basic_block bb, enum br_predictor predictor);
+ bool (*predicted_by_p) (const_basic_block bb, enum br_predictor predictor);
/* Return true when block A can be duplicated. */
- bool (*can_duplicate_block_p) (basic_block a);
+ bool (*can_duplicate_block_p) (const_basic_block a);
/* Duplicate block A. */
basic_block (*duplicate_block) (basic_block a);
basic_block (*split_edge) (edge);
void (*make_forwarder_block) (edge);
- /* Tries to make the edge fallthru. */
+ /* Try to make the edge fallthru. */
void (*tidy_fallthru_edge) (edge);
+ /* Make the edge non-fallthru. */
+ basic_block (*force_nonfallthru) (edge);
+
/* Say whether a block ends with a call, possibly followed by some
other code that must stay with the call. */
bool (*block_ends_with_call_p) (basic_block);
/* Say whether a block ends with a conditional branch. Switches
and unconditional branches do not qualify. */
- bool (*block_ends_with_condjump_p) (basic_block);
+ bool (*block_ends_with_condjump_p) (const_basic_block);
/* Add fake edges to the function exit for any non constant and non noreturn
calls, volatile inline assembly in the bitmap of blocks specified by
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 bool can_remove_branch_p (edge);
+extern bool can_remove_branch_p (const_edge);
extern void remove_branch (edge);
extern void remove_edge (edge);
extern edge split_block (basic_block, void *);
extern void merge_blocks (basic_block, basic_block);
extern edge make_forwarder_block (basic_block, bool (*)(edge),
void (*) (basic_block));
+extern basic_block force_nonfallthru (edge);
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 bool predicted_by_p (const_basic_block bb, enum br_predictor predictor);
+extern bool can_duplicate_block_p (const_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 bool block_ends_with_condjump_p (const_basic_block bb);
extern int flow_call_edges_add (sbitmap);
extern void execute_on_growing_pred (edge);
extern void execute_on_shrinking_pred (edge);
void *);
/* Hooks containers. */
-extern struct cfg_hooks tree_cfg_hooks;
+extern struct cfg_hooks gimple_cfg_hooks;
extern struct cfg_hooks rtl_cfg_hooks;
extern struct cfg_hooks cfg_layout_rtl_cfg_hooks;
extern enum ir_type current_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);
+extern void gimple_register_cfg_hooks (void);
+extern struct cfg_hooks get_cfg_hooks (void);
+extern void set_cfg_hooks (struct cfg_hooks);
#endif /* GCC_CFGHOOKS_H */