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Vl-op-fix

Signature

(vl-op-fix x) → xx

Arguments

x — Guard (vl-op-p x).

Returns

xx — Type (vl-op-p xx).

Definitions and Theorems

Function: vl-op-fix

(defun vl-op-fix (x)
  (declare (xargs :guard (vl-op-p x)))
  (let ((__function__ 'vl-op-fix))
    (declare (ignorable __function__))
    (mbe :logic
         (if (vl-binaryop-p x)
             x
           (vl-unaryop-fix x))
         :exec x)))

Theorem: vl-op-p-of-vl-op-fix

(defthm vl-op-p-of-vl-op-fix
  (b* ((xx (vl-op-fix x))) (vl-op-p xx))
  :rule-classes :rewrite)

Theorem: vl-op-fix-when-vl-op-p

(defthm vl-op-fix-when-vl-op-p
  (b* ((?xx (vl-op-fix x)))
    (implies (vl-op-p x) (equal xx x))))