[X86] visitFCOPYSIGN - pull out repeated SDLoc. NFC.

Author: RKSimon

llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp

@@ -17492,10 +17492,10 @@ SDValue DAGCombiner::visitFCOPYSIGN(SDNode *N) {
   SDValue N0 = N->getOperand(0);
   SDValue N1 = N->getOperand(1);
   EVT VT = N->getValueType(0);
+  SDLoc DL(N);
 
   // fold (fcopysign c1, c2) -> fcopysign(c1,c2)
-  if (SDValue C =
-          DAG.FoldConstantArithmetic(ISD::FCOPYSIGN, SDLoc(N), VT, {N0, N1}))
+  if (SDValue C = DAG.FoldConstantArithmetic(ISD::FCOPYSIGN, DL, VT, {N0, N1}))
     return C;
 
   if (ConstantFPSDNode *N1C = isConstOrConstSplatFP(N->getOperand(1))) {
@@ -17504,10 +17504,10 @@ SDValue DAGCombiner::visitFCOPYSIGN(SDNode *N) {
     // copysign(x, c1) -> fneg(fabs(x)) iff isneg(c1)
     if (!V.isNegative()) {
       if (!LegalOperations || TLI.isOperationLegal(ISD::FABS, VT))
-        return DAG.getNode(ISD::FABS, SDLoc(N), VT, N0);
+        return DAG.getNode(ISD::FABS, DL, VT, N0);
     } else {
       if (!LegalOperations || TLI.isOperationLegal(ISD::FNEG, VT))
-        return DAG.getNode(ISD::FNEG, SDLoc(N), VT,
+        return DAG.getNode(ISD::FNEG, DL, VT,
                            DAG.getNode(ISD::FABS, SDLoc(N0), VT, N0));
     }
   }
@@ -17517,20 +17517,20 @@ SDValue DAGCombiner::visitFCOPYSIGN(SDNode *N) {
   // copysign(copysign(x,z), y) -> copysign(x, y)
   if (N0.getOpcode() == ISD::FABS || N0.getOpcode() == ISD::FNEG ||
       N0.getOpcode() == ISD::FCOPYSIGN)
-    return DAG.getNode(ISD::FCOPYSIGN, SDLoc(N), VT, N0.getOperand(0), N1);
+    return DAG.getNode(ISD::FCOPYSIGN, DL, VT, N0.getOperand(0), N1);
 
   // copysign(x, abs(y)) -> abs(x)
   if (N1.getOpcode() == ISD::FABS)
-    return DAG.getNode(ISD::FABS, SDLoc(N), VT, N0);
+    return DAG.getNode(ISD::FABS, DL, VT, N0);
 
   // copysign(x, copysign(y,z)) -> copysign(x, z)
   if (N1.getOpcode() == ISD::FCOPYSIGN)
-    return DAG.getNode(ISD::FCOPYSIGN, SDLoc(N), VT, N0, N1.getOperand(1));
+    return DAG.getNode(ISD::FCOPYSIGN, DL, VT, N0, N1.getOperand(1));
 
   // copysign(x, fp_extend(y)) -> copysign(x, y)
   // copysign(x, fp_round(y)) -> copysign(x, y)
   if (CanCombineFCOPYSIGN_EXTEND_ROUND(N))
-    return DAG.getNode(ISD::FCOPYSIGN, SDLoc(N), VT, N0, N1.getOperand(0));
+    return DAG.getNode(ISD::FCOPYSIGN, DL, VT, N0, N1.getOperand(0));
 
   // We only take the sign bit from the sign operand.
   EVT SignVT = N1.getValueType();