From a1344ec06ead35a3b7933ee93b5757eeff2e5d4a Mon Sep 17 00:00:00 2001
From: Miodrag Milanovic <mmicko@gmail.com>
Date: Wed, 1 Jan 2020 16:24:30 +0100
Subject: [PATCH] Added a test case

---
 tests/arch/xilinx/bug1605.ys | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 tests/arch/xilinx/bug1605.ys

diff --git a/tests/arch/xilinx/bug1605.ys b/tests/arch/xilinx/bug1605.ys
new file mode 100644
index 000000000..4be659860
--- /dev/null
+++ b/tests/arch/xilinx/bug1605.ys
@@ -0,0 +1,19 @@
+read_verilog <<EOT
+module top(inout io);
+    wire in;
+    wire t;
+    wire o;
+
+    IOBUF IOBUF(
+      .I(in),
+      .T(t),
+      .IO(io),
+      .O(o)
+    );
+endmodule
+EOT
+
+synth_xilinx
+cd top
+select -assert-count 1 t:IOBUF
+select -assert-none t:* t:IOBUF %d
-- 
2.30.2