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    Id->phase

    (id->phase id aignet) computes the value of the node under the all-0 simulation.

    In the logic, we have to compute the value by recursively walking over the node array. However, in the execution we keep these values pre-computed so this is mostly just a stobj array lookup in the node array.

    Function: id->phase

    (defun id->phase (id aignet)
           (declare (xargs :stobjs (aignet)))
           (declare (xargs :guard (natp id)))
           (declare (xargs :guard (id-existsp id aignet)))
           (let ((__function__ 'id->phase))
                (declare (ignorable __function__))
                (mbe :logic (non-exec (id-phase id aignet))
                     :exec (snode->phase^ (id->slot1 id aignet)))))