diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
@@ -4407,10 +4407,12 @@
   assert(getTypeAction(Mask.getValueType()) ==
              TargetLowering::TypeWidenVector &&
          "Unable to widen binary VP op");
+  EVT WideMaskVT =
+      TLI.getTypeToTransformTo(*DAG.getContext(), Mask.getValueType());
+  (void)WideMaskVT;
   Mask = GetWidenedVector(Mask);
   assert(Mask.getValueType().getVectorElementCount() ==
-             TLI.getTypeToTransformTo(*DAG.getContext(), Mask.getValueType())
-                 .getVectorElementCount() &&
+         WideMaskVT.getVectorElementCount() &&
          "Unable to widen vector load");
 
   SDValue Res =