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Vl-seltrace-index-count

Signature

(vl-seltrace-index-count x) → count

Arguments

x — Guard (vl-seltrace-p x).

Returns

count — Type (natp count).

Definitions and Theorems

Function: vl-seltrace-index-count

(defun vl-seltrace-index-count (x)
  (declare (xargs :guard (vl-seltrace-p x)))
  (let ((__function__ 'vl-seltrace-index-count))
    (declare (ignorable __function__))
    (if (atom x)
        0
      (+ (b* (((vl-selstep x1) (car x)))
           (vl-select-case x1.select
                           :field 0
                           :index 1))
         (vl-seltrace-index-count (cdr x))))))

Theorem: natp-of-vl-seltrace-index-count

(defthm natp-of-vl-seltrace-index-count
  (b* ((count (vl-seltrace-index-count x)))
    (natp count))
  :rule-classes :type-prescription)

Theorem: vl-seltrace-index-count-of-vl-seltrace-fix-x

(defthm vl-seltrace-index-count-of-vl-seltrace-fix-x
  (equal (vl-seltrace-index-count (vl-seltrace-fix x))
         (vl-seltrace-index-count x)))

Theorem: vl-seltrace-index-count-vl-seltrace-equiv-congruence-on-x

(defthm vl-seltrace-index-count-vl-seltrace-equiv-congruence-on-x
  (implies (vl-seltrace-equiv x x-equiv)
           (equal (vl-seltrace-index-count x)
                  (vl-seltrace-index-count x-equiv)))
  :rule-classes :congruence)