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4 commits

Author SHA1 Message Date
Jannis Harder
ca5b910296 opt_merge: Add -keepdc option required for formal verification 
The `-keepdc` option prevents merging flipflops with dont-care bits in
their initial value, as, in general, this is not a valid transform for
formal verification.

The keepdc option of `opt` is passed along to `opt_merge` now.
 2022-04-01 21:03:20 +02:00
Marcelina Kościelnicka
98003430d6 opt_merge: Use FfInitVals. 
Partial #2920 fix.
 2021-08-08 01:19:22 +02:00
Eddie Hung
9f30d7f843 opt_merge: speedup 2020-03-16 12:43:54 -07:00
Eddie Hung
d86d073ad6 Add testcase 2019-12-13 10:26:30 -08:00