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

Only ever used in one block

llvm-svn: 359890
This commit is contained in:
Simon Pilgrim 2019-05-03 14:38:24 +00:00
parent bfdd0f75a8
commit bc876df3a5
1 changed files with 2 additions and 3 deletions
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5
llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
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@ -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);
}