/*
 * Copyright (C) 2020  The SymbiFlow Authors.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

`include "./not/not.sim.v"

(* MODES="PASSTHROUGH;INVERT" *)
module INV(I, O);
    input  wire I;
    output wire O;

    parameter MODE="PASSTHROUGH";

    // Passthrough (no inversion) mode
    generate if (MODE == "PASSTHROUGH") begin
        assign O = I;

    // Inversion with placeable inverter
    end else if (MODE == "INVERT") begin
        NOT inverter(I, O);

    end endgenerate
endmodule