module top_a; initial $display("top_a"); mod m(); endmodule module top_b; initial $display("top_b"); intf i(); sub s(i); endmodule module mod; initial $display("mod"); endmodule interface intf; initial $display("intf"); endinterface module sub(interface i); initial $display("sub"); endmodule module top_c; parameter type T; parameter U; initial if ($bits(T) == 1) $display("top_c"); endmodule module top_d; initial $display("top_d"); endmodule