// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed into the Public Domain, for any use,
// without warranty, 2010 by Wilson Snyder.

module t (/*AUTOARG*/
   // Inputs
   clk
   );
   input clk;

   integer i;

   reg   sync_blk;
   reg   sync_blk2;
   reg   sync_nblk;
   reg   sync2_ok;
   reg   sync3_ok;
   reg   combo_blk;
   reg   combo_nblk;

   always @(posedge clk) begin
      sync_blk = 1'b1;
      sync_blk2 = 1'b1;   // Only warn once per block
      sync_nblk <= 1'b1;
   end

   always @* begin
      combo_blk = 1'b1;
      combo_nblk <= 1'b1;
   end

   always @(posedge clk) begin
      for (int i=0; i<20; i++) begin
         sync2_ok <= 1'b1;
      end
   end

   always @(posedge clk) begin
      sync3_ok <= f(sync3_ok);
   end

   function f (input v);
      f = ~v;
   endfunction

endmodule