1 files changed, 26 insertions, 0 deletions
diff --git a/tests/sva/basic04.vhd b/tests/sva/basic04.vhd
new file mode 100644
index 00000000..f2ec305e
--- /dev/null
+++ b/tests/sva/basic04.vhd
@@ -0,0 +1,26 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity top is
+	port (
+		clock : in std_logic;
+		ctrl : in std_logic;
+		x : out std_logic
+	);
+end entity;
+
+architecture rtl of top is
+	signal read : std_logic := '0';
+	signal write : std_logic := '0';
+	signal ready : std_logic := '0';
+begin
+	process (clock) begin
+		if (rising_edge(clock)) then
+			read <= not ctrl;
+			write <= ctrl;
+			ready <= write;
+		end if;
+	end process;
+
+	x <= read xor write xor ready;
+end architecture;