node = get_irn_n(node, -1);
if (is_Bad(node)) /* sometimes bad is predecessor of nodes instead of block: in case of optimization */
node = get_irn_n(node, -1);
node = get_irn_n(node, -1);
if (is_Bad(node)) /* sometimes bad is predecessor of nodes instead of block: in case of optimization */
node = get_irn_n(node, -1);