/* use traditionally out edges */
assure_irg_outs(irg);
/* mark all used entities */
for (i = get_irn_n_outs(frame) - 1; i >= 0; --i) {
sel = get_irn_out(frame, i);
/* use traditionally out edges */
assure_irg_outs(irg);
/* mark all used entities */
for (i = get_irn_n_outs(frame) - 1; i >= 0; --i) {
sel = get_irn_out(frame, i);