diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 4adea020011b8..d3cd9b1671e1b 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -12739,12 +12739,12 @@ static SDValue tryToFoldExtendSelectLoad(SDNode *N, const TargetLowering &TLI,
 /// dag nodes (see for example method DAGCombiner::visitSIGN_EXTEND).
 /// Vector extends are not folded if operations are legal; this is to
 /// avoid introducing illegal build_vector dag nodes.
-static SDValue tryToFoldExtendOfConstant(SDNode *N, const TargetLowering &TLI,
+static SDValue tryToFoldExtendOfConstant(SDNode *N, const SDLoc &DL,
+                                         const TargetLowering &TLI,
                                          SelectionDAG &DAG, bool LegalTypes) {
   unsigned Opcode = N->getOpcode();
   SDValue N0 = N->getOperand(0);
   EVT VT = N->getValueType(0);
-  SDLoc DL(N);
 
   assert((ISD::isExtOpcode(Opcode) || ISD::isExtVecInRegOpcode(Opcode)) &&
          "Expected EXTEND dag node in input!");
@@ -13400,7 +13400,7 @@ SDValue DAGCombiner::visitSIGN_EXTEND(SDNode *N) {
   if (N0.isUndef())
     return DAG.getConstant(0, DL, VT);
 
-  if (SDValue Res = tryToFoldExtendOfConstant(N, TLI, DAG, LegalTypes))
+  if (SDValue Res = tryToFoldExtendOfConstant(N, DL, TLI, DAG, LegalTypes))
     return Res;
 
   // fold (sext (sext x)) -> (sext x)
@@ -13669,7 +13669,7 @@ SDValue DAGCombiner::visitZERO_EXTEND(SDNode *N) {
   if (N0.isUndef())
     return DAG.getConstant(0, DL, VT);
 
-  if (SDValue Res = tryToFoldExtendOfConstant(N, TLI, DAG, LegalTypes))
+  if (SDValue Res = tryToFoldExtendOfConstant(N, DL, TLI, DAG, LegalTypes))
     return Res;
 
   // fold (zext (zext x)) -> (zext x)
@@ -13937,12 +13937,13 @@ SDValue DAGCombiner::visitZERO_EXTEND(SDNode *N) {
 SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) {
   SDValue N0 = N->getOperand(0);
   EVT VT = N->getValueType(0);
+  SDLoc DL(N);
 
   // aext(undef) = undef
   if (N0.isUndef())
     return DAG.getUNDEF(VT);
 
-  if (SDValue Res = tryToFoldExtendOfConstant(N, TLI, DAG, LegalTypes))
+  if (SDValue Res = tryToFoldExtendOfConstant(N, DL, TLI, DAG, LegalTypes))
     return Res;
 
   // fold (aext (aext x)) -> (aext x)
@@ -13951,7 +13952,7 @@ SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) {
   if (N0.getOpcode() == ISD::ANY_EXTEND  ||
       N0.getOpcode() == ISD::ZERO_EXTEND ||
       N0.getOpcode() == ISD::SIGN_EXTEND)
-    return DAG.getNode(N0.getOpcode(), SDLoc(N), VT, N0.getOperand(0));
+    return DAG.getNode(N0.getOpcode(), DL, VT, N0.getOperand(0));
 
   // fold (aext (aext_extend_vector_inreg x)) -> (aext_extend_vector_inreg x)
   // fold (aext (zext_extend_vector_inreg x)) -> (zext_extend_vector_inreg x)
@@ -13959,7 +13960,7 @@ SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) {
   if (N0.getOpcode() == ISD::ANY_EXTEND_VECTOR_INREG ||
       N0.getOpcode() == ISD::ZERO_EXTEND_VECTOR_INREG ||
       N0.getOpcode() == ISD::SIGN_EXTEND_VECTOR_INREG)
-    return DAG.getNode(N0.getOpcode(), SDLoc(N), VT, N0.getOperand(0));
+    return DAG.getNode(N0.getOpcode(), DL, VT, N0.getOperand(0));
 
   // fold (aext (truncate (load x))) -> (aext (smaller load x))
   // fold (aext (truncate (srl (load x), c))) -> (aext (small load (x+c/n)))
@@ -13977,7 +13978,7 @@ SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) {
 
   // fold (aext (truncate x))
   if (N0.getOpcode() == ISD::TRUNCATE)
-    return DAG.getAnyExtOrTrunc(N0.getOperand(0), SDLoc(N), VT);
+    return DAG.getAnyExtOrTrunc(N0.getOperand(0), DL, VT);
 
   // Fold (aext (and (trunc x), cst)) -> (and x, cst)
   // if the trunc is not free.
@@ -13985,7 +13986,6 @@ SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) {
       N0.getOperand(0).getOpcode() == ISD::TRUNCATE &&
       N0.getOperand(1).getOpcode() == ISD::Constant &&
       !TLI.isTruncateFree(N0.getOperand(0).getOperand(0), N0.getValueType())) {
-    SDLoc DL(N);
     SDValue X = DAG.getAnyExtOrTrunc(N0.getOperand(0).getOperand(0), DL, VT);
     SDValue Y = DAG.getNode(ISD::ANY_EXTEND, DL, VT, N0.getOperand(1));
     assert(isa<ConstantSDNode>(Y) && "Expected constant to be folded!");
@@ -14011,9 +14011,9 @@ SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) {
           ExtendUsesToFormExtLoad(VT, N, N0, ISD::ANY_EXTEND, SetCCs, TLI);
     if (DoXform) {
       LoadSDNode *LN0 = cast<LoadSDNode>(N0);
-      SDValue ExtLoad = DAG.getExtLoad(ISD::EXTLOAD, SDLoc(N), VT,
-                                       LN0->getChain(), LN0->getBasePtr(),
-                                       N0.getValueType(), LN0->getMemOperand());
+      SDValue ExtLoad = DAG.getExtLoad(ISD::EXTLOAD, DL, VT, LN0->getChain(),
+                                       LN0->getBasePtr(), N0.getValueType(),
+                                       LN0->getMemOperand());
       ExtendSetCCUses(SetCCs, N0, ExtLoad, ISD::ANY_EXTEND);
       // If the load value is used only by N, replace it via CombineTo N.
       bool NoReplaceTrunc = N0.hasOneUse();
@@ -14039,9 +14039,9 @@ SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) {
     ISD::LoadExtType ExtType = LN0->getExtensionType();
     EVT MemVT = LN0->getMemoryVT();
     if (!LegalOperations || TLI.isLoadExtLegal(ExtType, VT, MemVT)) {
-      SDValue ExtLoad = DAG.getExtLoad(ExtType, SDLoc(N),
-                                       VT, LN0->getChain(), LN0->getBasePtr(),
-                                       MemVT, LN0->getMemOperand());
+      SDValue ExtLoad =
+          DAG.getExtLoad(ExtType, DL, VT, LN0->getChain(), LN0->getBasePtr(),
+                         MemVT, LN0->getMemOperand());
       CombineTo(N, ExtLoad);
       DAG.ReplaceAllUsesOfValueWith(SDValue(LN0, 1), ExtLoad.getValue(1));
       recursivelyDeleteUnusedNodes(LN0);
@@ -14069,23 +14069,20 @@ SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) {
       // we know that the element size of the sext'd result matches the
       // element size of the compare operands.
       if (VT.getSizeInBits() == N00VT.getSizeInBits())
-        return DAG.getSetCC(SDLoc(N), VT, N0.getOperand(0),
-                             N0.getOperand(1),
-                             cast<CondCodeSDNode>(N0.getOperand(2))->get());
+        return DAG.getSetCC(DL, VT, N0.getOperand(0), N0.getOperand(1),
+                            cast<CondCodeSDNode>(N0.getOperand(2))->get());
 
       // If the desired elements are smaller or larger than the source
       // elements we can use a matching integer vector type and then
       // truncate/any extend
       EVT MatchingVectorType = N00VT.changeVectorElementTypeToInteger();
-      SDValue VsetCC =
-        DAG.getSetCC(SDLoc(N), MatchingVectorType, N0.getOperand(0),
-                      N0.getOperand(1),
-                      cast<CondCodeSDNode>(N0.getOperand(2))->get());
-      return DAG.getAnyExtOrTrunc(VsetCC, SDLoc(N), VT);
+      SDValue VsetCC = DAG.getSetCC(
+          DL, MatchingVectorType, N0.getOperand(0), N0.getOperand(1),
+          cast<CondCodeSDNode>(N0.getOperand(2))->get());
+      return DAG.getAnyExtOrTrunc(VsetCC, DL, VT);
     }
 
     // aext(setcc x,y,cc) -> select_cc x, y, 1, 0, cc
-    SDLoc DL(N);
     if (SDValue SCC = SimplifySelectCC(
             DL, N0.getOperand(0), N0.getOperand(1), DAG.getConstant(1, DL, VT),
             DAG.getConstant(0, DL, VT),
@@ -14637,10 +14634,9 @@ SDValue DAGCombiner::visitSIGN_EXTEND_INREG(SDNode *N) {
   return SDValue();
 }
 
-static SDValue
-foldExtendVectorInregToExtendOfSubvector(SDNode *N, const TargetLowering &TLI,
-                                         SelectionDAG &DAG,
-                                         bool LegalOperations) {
+static SDValue foldExtendVectorInregToExtendOfSubvector(
+    SDNode *N, const SDLoc &DL, const TargetLowering &TLI, SelectionDAG &DAG,
+    bool LegalOperations) {
   unsigned InregOpcode = N->getOpcode();
   unsigned Opcode = DAG.getOpcode_EXTEND(InregOpcode);
 
@@ -14667,28 +14663,29 @@ foldExtendVectorInregToExtendOfSubvector(SDNode *N, const TargetLowering &TLI,
   if (LegalOperations && !TLI.isOperationLegal(Opcode, VT))
     return SDValue();
 
-  return DAG.getNode(Opcode, SDLoc(N), VT, Src);
+  return DAG.getNode(Opcode, DL, VT, Src);
 }
 
 SDValue DAGCombiner::visitEXTEND_VECTOR_INREG(SDNode *N) {
   SDValue N0 = N->getOperand(0);
   EVT VT = N->getValueType(0);
+  SDLoc DL(N);
 
   if (N0.isUndef()) {
     // aext_vector_inreg(undef) = undef because the top bits are undefined.
     // {s/z}ext_vector_inreg(undef) = 0 because the top bits must be the same.
     return N->getOpcode() == ISD::ANY_EXTEND_VECTOR_INREG
                ? DAG.getUNDEF(VT)
-               : DAG.getConstant(0, SDLoc(N), VT);
+               : DAG.getConstant(0, DL, VT);
   }
 
-  if (SDValue Res = tryToFoldExtendOfConstant(N, TLI, DAG, LegalTypes))
+  if (SDValue Res = tryToFoldExtendOfConstant(N, DL, TLI, DAG, LegalTypes))
     return Res;
 
   if (SimplifyDemandedVectorElts(SDValue(N, 0)))
     return SDValue(N, 0);
 
-  if (SDValue R = foldExtendVectorInregToExtendOfSubvector(N, TLI, DAG,
+  if (SDValue R = foldExtendVectorInregToExtendOfSubvector(N, DL, TLI, DAG,
                                                            LegalOperations))
     return R;