bool (*)(const_basic_block, const void *),
basic_block *, int, const void *);
extern void compute_dominance_frontiers (bitmap *);
+extern bitmap compute_idf (bitmap, bitmap *);
extern void dump_bb_info (basic_block, bool, bool, int, const char *, FILE *);
extern void dump_edge_info (FILE *, edge, int);
extern void brief_dump_cfg (FILE *);