[TargetLowering] ShrinkDemandedConstant - reduce scope of TLO.DAG variable. NFCI.

Only ever used in one block

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@359890 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 3515048c7f81527d4f2693da65477d8ab4e45eba..73fda1b760805ab81e845c78636221e8d235e6f2 100644 (file)
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -448,7 +448,6 @@ TargetLowering::isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const {
 /// return true.
 bool TargetLowering::ShrinkDemandedConstant(SDValue Op, const APInt &Demanded,
                                             TargetLoweringOpt &TLO) const {
-  SelectionDAG &DAG = TLO.DAG;
   SDLoc DL(Op);
   unsigned Opcode = Op.getOpcode();
 
@@ -474,8 +473,8 @@ bool TargetLowering::ShrinkDemandedConstant(SDValue Op, const APInt &Demanded,
 
     if (!C.isSubsetOf(Demanded)) {
       EVT VT = Op.getValueType();
-      SDValue NewC = DAG.getConstant(Demanded & C, DL, VT);
-      SDValue NewOp = DAG.getNode(Opcode, DL, VT, Op.getOperand(0), NewC);
+      SDValue NewC = TLO.DAG.getConstant(Demanded & C, DL, VT);
+      SDValue NewOp = TLO.DAG.getNode(Opcode, DL, VT, Op.getOperand(0), NewC);
       return TLO.CombineTo(Op, NewOp);
     }