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proc_clean: only consider fully-defined case operands.

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Charlotte 2023-08-11 15:52:05 +10:00 • committed by Marcelina Kościelnicka
parent 40978971f4
commit bf84861fc2
2 changed files with 23 additions and 1 deletions
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22
tests/proc/clean_undef_case.ys Normal file
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@ -0,0 +1,22 @@
read_rtlil <<EOT
module \m
wire width 1 \w
process $p
switch 3'001
case 3'--1
assign \w 3'001
case 3'-1-
assign \w 3'010
case 3'1--
assign \w 3'100
end
end
end
EOT
proc_clean # Bug: removes the cases.
proc_clean # Removes the now-empty switch and its containing process.
select -assert-count 1 */p:*