verilator/test_regress/t/t_unroll_complexcond.v

// DESCRIPTION: Verilator: Verilog Test module
//
// This files is used to generated the BLKLOOPINIT error which
// is actually caused by not being able to unroll the for loop.
//
//
// This file ONLY is placed under the Creative Commons Public Domain.
// SPDX-FileCopyrightText: 2013 Jie Xu
// SPDX-License-Identifier: CC0-1.0

module t (
    input clk
);

  reg [3:0] tmp[3:0];

  initial begin
    tmp[0] = 4'b0000;
    tmp[2] = 4'b0010;
    tmp[3] = 4'b0011;
  end

  // Test loop
  always @(posedge clk) begin
    int i;
    int j;
    for (i = 0; (i < 4) && (i > 1); i++) begin
      tmp[i] <= tmp[i-i];
    end
    if (tmp[0] != 4'b0000) $stop;
    if (tmp[3] != 4'b0011) $stop;

    j = 0;
    for (i = $c32("1"); i < 3; ++i) j++;
    if (j != 2) $stop;
    j = 0;
    for (i = 1; i < $c32("3"); ++i) j++;
    if (j != 2) $stop;
    j = 0;
    for (i = 1; i < 3; i = i + $c32("1")) j++;
    if (j != 2) $stop;

    $write("*-* All Finished *-*\n");
    $finish;
  end
endmodule