sched_add_before(before, copy);
reg = arch_register_for_index(cls, r);
DB((dbg, LEVEL_2, "Copy %+F (from %+F, before %+F) -> %s\n",
sched_add_before(before, copy);
reg = arch_register_for_index(cls, r);
DB((dbg, LEVEL_2, "Copy %+F (from %+F, before %+F) -> %s\n",