diff --git a/clang/lib/AST/ByteCode/Compiler.cpp b/clang/lib/AST/ByteCode/Compiler.cpp
index 754cd0db9868b..785918846976d 100644
--- a/clang/lib/AST/ByteCode/Compiler.cpp
+++ b/clang/lib/AST/ByteCode/Compiler.cpp
@@ -1282,9 +1282,8 @@ bool Compiler<Emitter>::VisitVectorBinOp(const BinaryOperator *E) {
                 ? BinaryOperator::getOpForCompoundAssignment(E->getOpcode())
                 : E->getOpcode();
 
-  // The LHS and RHS of a comparison operator must have the same type. So we
-  // just use LHS vector element type here.
   PrimType ElemT = this->classifyVectorElementType(LHS->getType());
+  PrimType RHSElemT = this->classifyVectorElementType(RHS->getType());
   PrimType ResultElemT = this->classifyVectorElementType(E->getType());
 
   // Evaluate LHS and save value to LHSOffset.
@@ -1312,7 +1311,7 @@ bool Compiler<Emitter>::VisitVectorBinOp(const BinaryOperator *E) {
   PrimType PromotT = classifyPrim(PromotTy);
   PrimType OpT = NeedIntPromot ? PromotT : ElemT;
 
-  auto getElem = [=](unsigned Offset, unsigned Index) {
+  auto getElem = [=](unsigned Offset, PrimType ElemT, unsigned Index) {
     if (!this->emitGetLocal(PT_Ptr, Offset, E))
       return false;
     if (!this->emitArrayElemPop(ElemT, Index, E))
@@ -1342,9 +1341,9 @@ bool Compiler<Emitter>::VisitVectorBinOp(const BinaryOperator *E) {
   }
 
   for (unsigned I = 0; I != VecTy->getNumElements(); ++I) {
-    if (!getElem(LHSOffset, I))
+    if (!getElem(LHSOffset, ElemT, I))
       return false;
-    if (!getElem(RHSOffset, I))
+    if (!getElem(RHSOffset, RHSElemT, I))
       return false;
     switch (Op) {
     case BO_Add:
@@ -1372,11 +1371,11 @@ bool Compiler<Emitter>::VisitVectorBinOp(const BinaryOperator *E) {
         return false;
       break;
     case BO_Shl:
-      if (!this->emitShl(OpT, ElemT, E))
+      if (!this->emitShl(OpT, RHSElemT, E))
         return false;
       break;
     case BO_Shr:
-      if (!this->emitShr(OpT, ElemT, E))
+      if (!this->emitShr(OpT, RHSElemT, E))
         return false;
       break;
     case BO_EQ: