// DESCRIPTION: Verilator: Verilog Test module // // This file ONLY is placed under the Creative Commons Public Domain, for // any use, without warranty, 2024 by Wilson Snyder. // SPDX-License-Identifier: CC0-1.0 module sub(input wire clk, cpu_reset); reg reset_r; always @(posedge clk) begin reset_r <= cpu_reset; // The problematic one end endmodule module TOP(/*AUTOARG*/ // Inputs clk, reset_l ); input clk; input reset_l; reg sync_0, sync_1, sync_2; wire _cpu_reset_chain_io_q = sync_0; sub sub (.clk(clk), .cpu_reset(_cpu_reset_chain_io_q | !reset_l)); always @(posedge clk) begin sync_0 <= sync_1; sync_1 <= sync_2; sync_2 <= !reset_l; end endmodule