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-rw-r--r--tests/techmap/iopadmap.ys10
1 files changed, 9 insertions, 1 deletions
diff --git a/tests/techmap/iopadmap.ys b/tests/techmap/iopadmap.ys
index 25ea94dfc..df029b3a0 100644
--- a/tests/techmap/iopadmap.ys
+++ b/tests/techmap/iopadmap.ys
@@ -55,13 +55,19 @@ obuf b (.i(i), .o(tmp));
assign o = tmp;
endmodule
+module k(inout o, o2);
+assign o = 1'bz;
+endmodule
+
EOT
opt_clean
tribuf
simplemap
-iopadmap -bits -inpad ibuf o:i -outpad obuf i:o -toutpad obuft oe:i:o -tinoutpad iobuf oe:o:i:io a b c d e f g h i j
+iopadmap -bits -inpad ibuf o:i -outpad obuf i:o -toutpad obuft oe:i:o -tinoutpad iobuf oe:o:i:io a b c d e f g h i j k
opt_clean
+hierarchy -check
+check
select -assert-count 1 a/t:ibuf
select -assert-count 1 a/t:obuf
@@ -140,6 +146,8 @@ select -assert-count 0 i/t:obuf
select -assert-count 1 j/t:ibuf
select -assert-count 1 j/t:obuf
+select -assert-count 2 k/t:iobuf
+
# Check that \init attributes get moved from output buffer
# to buffer input