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[X86] lowerShuffleAsBitMask - generalize FP handling. #135345

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Merged
merged 1 commit into from
Apr 11, 2025
Merged

[X86] lowerShuffleAsBitMask - generalize FP handling. #135345

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5 changes: 2 additions & 3 deletions llvm/lib/Target/X86/X86ISelLowering.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -10871,12 +10871,11 @@ static SDValue lowerShuffleAsBitMask(const SDLoc &DL, MVT VT, SDValue V1,
}

MVT LogicVT = VT;
if (EltVT == MVT::f32 || EltVT == MVT::f64) {
if (EltVT.isFloatingPoint()) {
Zero = DAG.getConstantFP(0.0, DL, EltVT);
APFloat AllOnesValue = APFloat::getAllOnesValue(EltVT.getFltSemantics());
AllOnes = DAG.getConstantFP(AllOnesValue, DL, EltVT);
LogicVT =
MVT::getVectorVT(EltVT == MVT::f64 ? MVT::i64 : MVT::i32, Mask.size());
LogicVT = MVT::getVectorVT(EltVT.changeTypeToInteger(), Mask.size());
} else {
Zero = DAG.getConstant(0, DL, EltVT);
AllOnes = DAG.getAllOnesConstant(DL, EltVT);
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