[VPlan] NFC improvement

Author: artagnon

llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp

@@ -1432,12 +1432,11 @@ static void narrowToSingleScalarRecipes(VPlan &Plan) {
           !all_of(RepOrWidenR->users(), [RepOrWidenR](const VPUser *U) {
             if (auto *Store = dyn_cast<VPWidenStoreRecipe>(U)) {
               // VPWidenStore doesn't have users, and stores are always
-              // profitable to widen: hence, permitting single-scalar stored
-              // values and mask operands is an important leaf condition. The
-              // assert must hold as we checked the RepOrWidenR operand against
-              // vputils::isSingleScalar.
-              assert(RepOrWidenR == Store->getAddr() ||
-                     RepOrWidenR == Store->getMask() ||
+              // profitable to widen: hence, permitting address and mask
+              // operands, and single-scalar stored values is an important leaf
+              // condition. The assert must hold as we checked the RepOrWidenR
+              // operand against vputils::isSingleScalar.
+              assert(RepOrWidenR != Store->getStoredValue() ||
                      vputils::isSingleScalar(Store->getStoredValue()));
               return true;
             }