diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 12b6cf390183..eedffaf7166c 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -8880,8 +8880,8 @@ static SDValue lowerVectorShuffleToEXPAND(const SDLoc &DL, MVT VT,
 
 static bool matchVectorShuffleWithUNPCK(MVT VT, SDValue &V1, SDValue &V2,
                                         unsigned &UnpackOpcode, bool IsUnary,
-                                        ArrayRef<int> TargetMask, SDLoc &DL,
-                                        SelectionDAG &DAG,
+                                        ArrayRef<int> TargetMask,
+                                        const SDLoc &DL, SelectionDAG &DAG,
                                         const X86Subtarget &Subtarget) {
   int NumElts = VT.getVectorNumElements();
 
@@ -27987,7 +27987,8 @@ bool X86TargetLowering::isGAPlusOffset(SDNode *N,
 // TODO: Investigate sharing more of this with shuffle lowering.
 static bool matchUnaryVectorShuffle(MVT MaskVT, ArrayRef<int> Mask,
                                     bool AllowFloatDomain, bool AllowIntDomain,
-                                    SDValue &V1, SDLoc &DL, SelectionDAG &DAG,
+                                    SDValue &V1, const SDLoc &DL,
+                                    SelectionDAG &DAG,
                                     const X86Subtarget &Subtarget,
                                     unsigned &Shuffle, MVT &SrcVT, MVT &DstVT) {
   unsigned NumMaskElts = Mask.size();
@@ -28235,7 +28236,7 @@ static bool matchUnaryPermuteVectorShuffle(MVT MaskVT, ArrayRef<int> Mask,
 // TODO: Investigate sharing more of this with shuffle lowering.
 static bool matchBinaryVectorShuffle(MVT MaskVT, ArrayRef<int> Mask,
                                      bool AllowFloatDomain, bool AllowIntDomain,
-                                     SDValue &V1, SDValue &V2, SDLoc &DL,
+                                     SDValue &V1, SDValue &V2, const SDLoc &DL,
                                      SelectionDAG &DAG,
                                      const X86Subtarget &Subtarget,
                                      unsigned &Shuffle, MVT &SrcVT, MVT &DstVT,
@@ -28299,15 +28300,11 @@ static bool matchBinaryVectorShuffle(MVT MaskVT, ArrayRef<int> Mask,
   return false;
 }
 
-static bool matchBinaryPermuteVectorShuffle(MVT MaskVT, ArrayRef<int> Mask,
-                                            const APInt &Zeroable,
-                                            bool AllowFloatDomain,
-                                            bool AllowIntDomain,
-                                            SDValue &V1, SDValue &V2, SDLoc &DL,
-                                            SelectionDAG &DAG,
-                                            const X86Subtarget &Subtarget,
-                                            unsigned &Shuffle, MVT &ShuffleVT,
-                                            unsigned &PermuteImm) {
+static bool matchBinaryPermuteVectorShuffle(
+    MVT MaskVT, ArrayRef<int> Mask, const APInt &Zeroable,
+    bool AllowFloatDomain, bool AllowIntDomain, SDValue &V1, SDValue &V2,
+    const SDLoc &DL, SelectionDAG &DAG, const X86Subtarget &Subtarget,
+    unsigned &Shuffle, MVT &ShuffleVT, unsigned &PermuteImm) {
   unsigned NumMaskElts = Mask.size();
   unsigned EltSizeInBits = MaskVT.getScalarSizeInBits();