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Svmods

Assigns-addr-p

Signature
(assigns-addr-p x) → *
Arguments: x — Guard (assigns-p x).

Definitions and Theorems

Function: assigns-addr-p

(defun
     assigns-addr-p (x)
     (declare (xargs :guard (assigns-p x)))
     (let ((__function__ 'assigns-addr-p))
          (declare (ignorable __function__))
          (mbe :logic (svarlist-addr-p (assigns-vars x))
               :exec (b* ((x (assigns-fix x))
                          ((when (atom x)) t))
                         (and (lhs-addr-p (caar x))
                              (svex-addr-p (driver->value (cdar x)))
                              (assigns-addr-p (cdr x)))))))

Theorem: assigns-addr-p-of-assigns-fix-x

(defthm assigns-addr-p-of-assigns-fix-x
        (equal (assigns-addr-p (assigns-fix x))
               (assigns-addr-p x)))

Theorem: assigns-addr-p-assigns-equiv-congruence-on-x

(defthm assigns-addr-p-assigns-equiv-congruence-on-x
        (implies (assigns-equiv x x-equiv)
                 (equal (assigns-addr-p x)
                        (assigns-addr-p x-equiv)))
        :rule-classes :congruence)