STOR_OUT
struct storage_hash_list *outputs = gather_storage(parent, STOR_OUT);
state.outputs = gather_storage(bb, STOR_OUT);
struct storage *out = lookup_storage(bb, pseudo, STOR_OUT);
add_storage(out, bb, pseudo, STOR_OUT);
struct storage *out = lookup_storage(bb, pseudo, STOR_OUT);
add_storage(out, bb, pseudo, STOR_OUT);
parent_out = lookup_storage(bb, pseudo, STOR_OUT);
add_storage(child_in, bb, pseudo, STOR_OUT);
add_storage(parent_out, bb, pseudo, STOR_OUT);
struct storage *storage = lookup_storage(bb, phi->target, STOR_OUT);