[X86] combineOr - pull out repeated SDLoc(). NFCI.

Author: RKSimon

llvm/lib/Target/X86/X86ISelLowering.cpp

@@ -46646,11 +46646,12 @@ static SDValue combineOr(SDNode *N, SelectionDAG &DAG,
   SDValue N0 = N->getOperand(0);
   SDValue N1 = N->getOperand(1);
   EVT VT = N->getValueType(0);
+  SDLoc dl(N);
 
   // If this is SSE1 only convert to FOR to avoid scalarization.
   if (Subtarget.hasSSE1() && !Subtarget.hasSSE2() && VT == MVT::v4i32) {
     return DAG.getBitcast(MVT::v4i32,
-                          DAG.getNode(X86ISD::FOR, SDLoc(N), MVT::v4f32,
+                          DAG.getNode(X86ISD::FOR, dl, MVT::v4f32,
                                       DAG.getBitcast(MVT::v4f32, N0),
                                       DAG.getBitcast(MVT::v4f32, N1)));
   }
@@ -46662,7 +46663,6 @@ static SDValue combineOr(SDNode *N, SelectionDAG &DAG,
     SmallVector<APInt, 2> SrcPartials;
     if (matchScalarReduction(SDValue(N, 0), ISD::OR, SrcOps, &SrcPartials) &&
         SrcOps.size() == 1) {
-      SDLoc dl(N);
       const TargetLowering &TLI = DAG.getTargetLoweringInfo();
       unsigned NumElts = SrcOps[0].getValueType().getVectorNumElements();
       EVT MaskVT = EVT::getIntegerVT(*DAG.getContext(), NumElts);
@@ -46709,7 +46709,6 @@ static SDValue combineOr(SDNode *N, SelectionDAG &DAG,
     if (NumElts >= 16 && N1.getOpcode() == X86ISD::KSHIFTL &&
         N1.getConstantOperandAPInt(1) == HalfElts &&
         DAG.MaskedValueIsZero(N0, APInt(1, 1), UpperElts)) {
-      SDLoc dl(N);
       return DAG.getNode(
           ISD::CONCAT_VECTORS, dl, VT,
           extractSubVector(N0, 0, DAG, dl, HalfElts),
@@ -46718,7 +46717,6 @@ static SDValue combineOr(SDNode *N, SelectionDAG &DAG,
     if (NumElts >= 16 && N0.getOpcode() == X86ISD::KSHIFTL &&
         N0.getConstantOperandAPInt(1) == HalfElts &&
         DAG.MaskedValueIsZero(N1, APInt(1, 1), UpperElts)) {
-      SDLoc dl(N);
       return DAG.getNode(
           ISD::CONCAT_VECTORS, dl, VT,
           extractSubVector(N1, 0, DAG, dl, HalfElts),