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Expr-simp

Vl-assign-simp

Signature
(vl-assign-simp x) → new-x
Arguments: x — Guard (vl-assign-p x).
Returns: new-x — Type (vl-assign-p new-x).

Definitions and Theorems

Function: vl-assign-simp

(defun vl-assign-simp (x)
  (declare (xargs :guard (vl-assign-p x)))
  (let ((__function__ 'vl-assign-simp))
    (declare (ignorable __function__))
    (change-vl-assign x
                      :expr (vl-expr-simp (vl-assign->expr x)))))

Theorem: vl-assign-p-of-vl-assign-simp

(defthm vl-assign-p-of-vl-assign-simp
  (b* ((new-x (vl-assign-simp x)))
    (vl-assign-p new-x))
  :rule-classes :rewrite)

Theorem: vl-assign-simp-of-vl-assign-fix-x

(defthm vl-assign-simp-of-vl-assign-fix-x
  (equal (vl-assign-simp (vl-assign-fix x))
         (vl-assign-simp x)))

Theorem: vl-assign-simp-vl-assign-equiv-congruence-on-x

(defthm vl-assign-simp-vl-assign-equiv-congruence-on-x
  (implies (vl-assign-equiv x x-equiv)
           (equal (vl-assign-simp x)
                  (vl-assign-simp x-equiv)))
  :rule-classes :congruence)