auto -> ElementCount

Author: SamTebbs33

llvm/lib/Transforms/Vectorize/LoopVectorize.cpp

@@ -5029,7 +5029,7 @@ calculateRegisterUsage(VPlan &Plan, ArrayRef<ElementCount> VFs,
         } else {
           // The output from scaled phis and scaled reductions actually have
           // fewer lanes than the VF.
-          auto VF = VFs[J];
+          ElementCount VF = VFs[J];
           if (auto *ReductionR = dyn_cast<VPReductionPHIRecipe>(R))
             VF = VF.divideCoefficientBy(ReductionR->getVFScaleFactor());
           else if (auto *PartialReductionR =