DBG((dbg, LEVEL_1, " for %+F(%s) -- %+F(%s)\n", phi, phi_reg->name, arg, arg_reg->name));
if (phi_reg == arg_reg
- || (arg_reg->type & arch_register_type_joker)
|| (arg_reg->type & arch_register_type_virtual)) {
/* Phi and arg have the same register, so pin and continue */
pin_irn(arg, phi_block);