diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 4ee17bf807c..2183431e1aa 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -8515,7 +8515,7 @@ SDValue SelectionDAGLegalize::StoreWidenVectorOp(StoreSDNode *ST,
   // It must be true that we the widen vector type is bigger than where
   // we need to store.
   assert(StVT.isVector() && VVT.isVector());
-  assert(StVT.getSizeInBits() < VVT.getSizeInBits());
+  assert(StVT.bitsLT(VVT));
   assert(StVT.getVectorElementType() == VVT.getVectorElementType());
 
   // Store value
diff --git a/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
index 420a8d374c6..128dc3351e4 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
@@ -1865,7 +1865,7 @@ SDValue DAGTypeLegalizer::WidenVecOp_STORE(SDNode *N) {
   // It must be true that we the widen vector type is bigger than where
   // we need to store.
   assert(StVT.isVector() && ValOp.getValueType().isVector());
-  assert(StVT.getSizeInBits() < ValOp.getValueType().getSizeInBits());
+  assert(StVT.bitsLT(ValOp.getValueType()));
 
   SmallVector<SDValue, 16> StChain;
   if (ST->isTruncatingStore()) {