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opt_ffinv - push inverters through FFs
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.. cmd:def:: opt_ffinv
   :title: push inverters through FFs

   .. only:: html



      .. code:: yoscrypt

         opt_ffinv [selection]

      ::

         This pass pushes inverters to the other side of a FF when they can be merged
         into LUTs on the other side.

.. only:: latex

   ::

      
          opt_ffinv [selection]
      
      This pass pushes inverters to the other side of a FF when they can be merged
      into LUTs on the other side.