Merge pull request #2529 from zachjs/unnamed-genblk

verilog: significant block scoping improvements

1 files changed, 25 insertions, 0 deletions

diff --git a/tests/simple/func_recurse.v b/tests/simple/func_recurse.v
new file mode 100644
index 000000000..d61c8cc06
--- /dev/null
+++ b/tests/simple/func_recurse.v
@@ -0,0 +1,25 @@
+module top(
+	input wire [3:0] inp,
+	output wire [3:0] out1, out2
+);
+	function automatic [3:0] pow_a;
+		input [3:0] base, exp;
+		begin
+			pow_a = 1;
+			if (exp > 0)
+				pow_a = base * pow_a(base, exp - 1);
+		end
+	endfunction
+
+	function automatic [3:0] pow_b;
+		input [3:0] base, exp;
+		begin
+			pow_b = 1;
+			if (exp > 0)
+				pow_b = base * pow_b(base, exp - 1);
+		end
+	endfunction
+
+	assign out1 = pow_a(inp, 3);
+	assign out2 = pow_b(2, 2);
+endmodule