extern basic_block get_bb_copy (basic_block);
void set_loop_copy (class loop *, class loop *);
class loop *get_loop_copy (class loop *);
+void scale_strictly_dominated_blocks (basic_block,
+ profile_count, profile_count);
/* Generic RAII class to allocate a bit from storage of integer type T.
The allocated bit is accessible as mask with the single bit set