*/
int co_get_costs_loop_depth(const copy_opt_t *co, ir_node *root, ir_node* arg, int pos);
/**
* Computes the costs of a copy according to execution frequency
* @param co The copy opt object.
*/
int co_get_costs_loop_depth(const copy_opt_t *co, ir_node *root, ir_node* arg, int pos);
/**
* Computes the costs of a copy according to execution frequency
* @param co The copy opt object.