tests/simple/localparam_attr.v - third_party/yosys - Git at Google

 module uut_localparam_attr (I, O);

 (* LOCALPARAM_ATTRIBUTE = "attribute_content" *)
 localparam WIDTH = 1;

 input  wire [WIDTH-1:0] I;
 output wire [WIDTH-1:0] O;

 assign O = I;

 endmodule
	module uut_localparam_attr (I, O);

	(* LOCALPARAM_ATTRIBUTE = "attribute_content" *)
	localparam WIDTH = 1;

	input wire [WIDTH-1:0] I;
	output wire [WIDTH-1:0] O;

	assign O = I;

	endmodule