From 5cae9c6e1628db7223a205d2444ef26e682007a5 Mon Sep 17 00:00:00 2001
From: David Shah <dave@ds0.me>
Date: Tue, 25 Feb 2020 14:14:45 +0000
Subject: deminout: Don't demote inouts with unused bits

Signed-off-by: David Shah <dave@ds0.me>
---
 tests/various/deminout_unused.ys | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 tests/various/deminout_unused.ys

(limited to 'tests')

diff --git a/tests/various/deminout_unused.ys b/tests/various/deminout_unused.ys
new file mode 100644
index 000000000..5ed00509d
--- /dev/null
+++ b/tests/various/deminout_unused.ys
@@ -0,0 +1,14 @@
+read_verilog <<EOT
+module top(input clk, inout [7:0] x);
+
+reg [3:0] ctr;
+always @(posedge clk) ctr <= ctr + 1'b1;
+
+assign x[7:4] = ctr;
+endmodule
+EOT
+proc
+tribuf
+deminout
+select -assert-count 1 i:x o:x %i
+
-- 
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