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iopadmap: Fix z assignment to inout port

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Fixes #1841.
This commit is contained in:
Marcin Kościelnicki 2020-03-30 15:35:31 +02:00 • committed by Marcelina Kościelnicka
parent 22ef5701c0
commit 2d3753d730
2 changed files with 24 additions and 2 deletions
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10
tests/techmap/iopadmap.ys
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@ -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