perm_proj0 = new_r_Proj(irg, block, perm, get_irn_mode(in[0]), 0);
perm_proj1 = new_r_Proj(irg, block, perm, get_irn_mode(in[1]), 1);
perm_proj0 = new_r_Proj(irg, block, perm, get_irn_mode(in[0]), 0);
perm_proj1 = new_r_Proj(irg, block, perm, get_irn_mode(in[1]), 1);