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Add the $anyinit cell and the formalff pass

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These can be used to protect undefined flip-flop initialization values
from optimizations that are not sound for formal verification and can
help mapping all solver-provided values in witness traces for flows that
use different backends simultaneously.
This commit is contained in:
Jannis Harder 2022-07-21 14:22:15 +02:00
parent c26b2bf543
commit c0063288d6
16 changed files with 271 additions and 8 deletions
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1
passes/fsm/fsm_detect.cc
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@ -280,6 +280,7 @@ struct FsmDetectPass : public Pass {
CellTypes ct;
ct.setup_internals();
ct.setup_internals_anyinit();
ct.setup_internals_mem();
ct.setup_stdcells();
ct.setup_stdcells_mem();