1 files changed, 35 insertions, 1 deletions
diff --git a/tests/simple/task_func.v b/tests/simple/task_func.v
index 51e31015f..9b8e26e51 100644
--- a/tests/simple/task_func.v
+++ b/tests/simple/task_func.v
@@ -33,8 +33,42 @@ end
 
 endmodule
 
+// -------------------------------------------------------------------
 
-module task_func_test02( input [7:0] din_a, input [7:0] din_b, output [7:0] dout_a);
+module task_func_test02(clk, a, b, c, x, y, z, w);
+
+input clk;
+input [7:0] a, b, c;
+output reg [7:0] x, y, z, w;
+
+function [7:0] sum_shift(input [3:0] s1, s2, s3);
+sum_shift = s1 + (s2 << 2) + (s3 << 4);
+endfunction
+
+task reset_w;
+w = 0;
+endtask
+
+task add_to(output [7:0] out, input [7:0] in);
+out = out + in;
+endtask
+
+always @(posedge clk) begin
+	x = sum_shift(a, b, c);
+	y = sum_shift(a[7:4], b[5:2], c[3:0]);
+	z = sum_shift(a[0], b[5:4], c >> 5) ^ sum_shift(1, 2, 3);
+
+	reset_w;
+	add_to(w, x);
+	add_to(w, y);
+	add_to(w, z);
+end
+
+endmodule
+
+// -------------------------------------------------------------------
+
+module task_func_test03( input [7:0] din_a, input [7:0] din_b, output [7:0] dout_a);
 	assign dout_a = test(din_a,din_b);
 	function [7:0] test;
 		input [7:0] a;