extern void clear_edges (void);
extern rtx first_insn_after_basic_block_note (basic_block);
extern void scale_bbs_frequencies_int (basic_block *, int, int, int);
extern void clear_edges (void);
extern rtx first_insn_after_basic_block_note (basic_block);
extern void scale_bbs_frequencies_int (basic_block *, int, int, int);