// 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 t (/*AUTOARG*/ // Inputs clk ); input clk; integer cyc; initial cyc=1; wire a = cyc[0]; wire b = cyc[0]; always @ (posedge clk) begin cyc <= cyc + 1; // Before this was optimized, with --coverage-line // error: self-comparison always evaluates to true [-Werror=tautological-compare] // if (((1U & vlSelf->t__DOT__cyc) == (1U & vlSelf->t__DOT__cyc))) if (a != cyc[0]) $stop; // Becomes cyc == cyc after substitution if (b != cyc[0]) $stop; if (cyc==10) begin $write("*-* All Finished *-*\n"); $finish; end end endmodule