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[X86] Use SelectionDAG::getFPExtendOrRound to simplify some code. 

llvm-svn: 321432
This commit is contained in:
Craig Topper 2017-12-25 00:54:51 +00:00
parent 60c7f2d9ce
commit b2cd8485dc
1 changed files with 1 additions and 10 deletions
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11
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -15760,16 +15760,7 @@ SDValue X86TargetLowering::LowerUINT_TO_FP_i32(SDValue Op,
SDValue Sub = DAG.getNode(ISD::FSUB, dl, MVT::f64, Or, Bias);
// Handle final rounding.
MVT DestVT = Op.getSimpleValueType();
if (DestVT.bitsLT(MVT::f64))
return DAG.getNode(ISD::FP_ROUND, dl, DestVT, Sub,
DAG.getIntPtrConstant(0, dl));
if (DestVT.bitsGT(MVT::f64))
return DAG.getNode(ISD::FP_EXTEND, dl, DestVT, Sub);
// Handle final rounding.
return Sub;
return DAG.getFPExtendOrRound(Sub, dl, Op.getSimpleValueType());
}
static SDValue lowerUINT_TO_FP_v2i32(SDValue Op, SelectionDAG &DAG,