		Search-engine friendly clone of the ACL2 documentation.

Vl-design-wildelim

Vl-assign-wildelim

Eliminate ==? and !=? operators throughout a vl-assign-p

Signature
(vl-assign-wildelim x warnings) → (mv warnings new-x)
Arguments: x — Guard (vl-assign-p x).; warnings — Guard (vl-warninglist-p warnings).
Returns: warnings — Type (vl-warninglist-p warnings).; new-x — Type (vl-assign-p new-x).

Definitions and Theorems

Function: vl-assign-wildelim

(defun vl-assign-wildelim (x warnings)
  (declare (xargs :guard (and (vl-assign-p x)
                              (vl-warninglist-p warnings))))
  (let ((__function__ 'vl-assign-wildelim))
    (declare (ignorable __function__))
    (b* ((x (vl-assign-fix x))
         (warnings (vl-warninglist-fix warnings)))
      (b* (((vl-assign x) x)
           (ctx x)
           ((mv warnings lhs-prime)
            (vl-expr-wildelim x.lvalue ctx warnings))
           ((mv warnings rhs-prime)
            (vl-expr-wildelim x.expr ctx warnings))
           ((mv warnings delay-prime)
            (vl-maybe-gatedelay-wildelim x.delay ctx warnings))
           (x-prime (change-vl-assign x
                                      :lvalue lhs-prime
                                      :expr rhs-prime
                                      :delay delay-prime)))
        (mv warnings x-prime)))))

Theorem: vl-warninglist-p-of-vl-assign-wildelim.warnings

(defthm vl-warninglist-p-of-vl-assign-wildelim.warnings
  (b* (((mv ?warnings ?new-x)
        (vl-assign-wildelim x warnings)))
    (vl-warninglist-p warnings))
  :rule-classes :rewrite)

Theorem: vl-assign-p-of-vl-assign-wildelim.new-x

(defthm vl-assign-p-of-vl-assign-wildelim.new-x
  (b* (((mv ?warnings ?new-x)
        (vl-assign-wildelim x warnings)))
    (vl-assign-p new-x))
  :rule-classes :rewrite)

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

(defthm vl-assign-wildelim-of-vl-assign-fix-x
  (equal (vl-assign-wildelim (vl-assign-fix x)
                             warnings)
         (vl-assign-wildelim x warnings)))

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

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

Theorem: vl-assign-wildelim-of-vl-warninglist-fix-warnings

(defthm vl-assign-wildelim-of-vl-warninglist-fix-warnings
  (equal (vl-assign-wildelim x (vl-warninglist-fix warnings))
         (vl-assign-wildelim x warnings)))

Theorem: vl-assign-wildelim-vl-warninglist-equiv-congruence-on-warnings

(defthm
     vl-assign-wildelim-vl-warninglist-equiv-congruence-on-warnings
  (implies (vl-warninglist-equiv warnings warnings-equiv)
           (equal (vl-assign-wildelim x warnings)
                  (vl-assign-wildelim x warnings-equiv)))
  :rule-classes :congruence)