diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 3a4f09bc6c9f59..17892edf45b181 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -6200,8 +6200,8 @@ static unsigned getOpcode_EXTEND_VECTOR_INREG(unsigned Opcode) {
   llvm_unreachable("Unknown opcode");
 }
 
-static SDValue getExtendInVec(unsigned Opcode, const SDLoc &DL, EVT VT,
-                              SDValue In, SelectionDAG &DAG) {
+static SDValue getEXTEND_VECTOR_INREG(unsigned Opcode, const SDLoc &DL, EVT VT,
+                                      SDValue In, SelectionDAG &DAG) {
   EVT InVT = In.getValueType();
   assert(VT.isVector() && InVT.isVector() && "Expected vector VTs.");
   assert((ISD::ANY_EXTEND == Opcode || ISD::SIGN_EXTEND == Opcode ||
@@ -12865,8 +12865,8 @@ static SDValue lowerShuffleAsSpecificZeroOrAnyExtend(
     MVT ExtVT = MVT::getVectorVT(MVT::getIntegerVT(EltBits * Scale),
                                  NumElements / Scale);
     InputV = ShuffleOffset(InputV);
-    InputV = getExtendInVec(AnyExt ? ISD::ANY_EXTEND : ISD::ZERO_EXTEND, DL,
-                            ExtVT, InputV, DAG);
+    InputV = getEXTEND_VECTOR_INREG(AnyExt ? ISD::ANY_EXTEND : ISD::ZERO_EXTEND,
+                                    DL, ExtVT, InputV, DAG);
     return DAG.getBitcast(VT, InputV);
   }
 
@@ -29988,7 +29988,7 @@ void X86TargetLowering::ReplaceNodeResults(SDNode *N,
       std::tie(LoVT, HiVT) = DAG.GetSplitDestVTs(N->getValueType(0));
       assert(isTypeLegal(LoVT) && "Split VT not legal?");
 
-      SDValue Lo = getExtendInVec(N->getOpcode(), dl, LoVT, In, DAG);
+      SDValue Lo = getEXTEND_VECTOR_INREG(N->getOpcode(), dl, LoVT, In, DAG);
 
       // We need to shift the input over by half the number of elements.
       unsigned NumElts = InVT.getVectorNumElements();
@@ -29998,7 +29998,7 @@ void X86TargetLowering::ReplaceNodeResults(SDNode *N,
         ShufMask[i] = i + HalfNumElts;
 
       SDValue Hi = DAG.getVectorShuffle(InVT, dl, In, In, ShufMask);
-      Hi = getExtendInVec(N->getOpcode(), dl, HiVT, Hi, DAG);
+      Hi = getEXTEND_VECTOR_INREG(N->getOpcode(), dl, HiVT, Hi, DAG);
 
       SDValue Res = DAG.getNode(ISD::CONCAT_VECTORS, dl, VT, Lo, Hi);
       Results.push_back(Res);