module top (foo, \foo[3] , out_bus, out_scalar); input [7:0] foo; input \foo[3] ; output out_bus; output out_scalar; child u_child (.foo(foo), .\foo[3] (\foo[3] ), .out_bus(out_bus), .out_scalar(out_scalar)); endmodule module child (foo, \foo[3] , out_bus, out_scalar); input [7:0] foo; input \foo[3] ; output out_bus; output out_scalar; BUF_X1 bus_load (.A(foo[3]), .Z(out_bus)); BUF_X1 scalar_load (.A(\foo[3] ), .Z(out_scalar)); endmodule