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-rw-r--r--llvm/lib/Target/X86/X86ISelLowering.cpp13
1 files changed, 4 insertions, 9 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 381b81f9945..ca9855e6ec9 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -14639,18 +14639,13 @@ static SDValue LowerFABSorFNEG(SDValue Op, SelectionDAG &DAG) {
}
unsigned EltBits = EltVT.getSizeInBits();
- LLVMContext *Context = DAG.getContext();
// For FABS, mask is 0x7f...; for FNEG, mask is 0x80...
APInt MaskElt =
IsFABS ? APInt::getSignedMaxValue(EltBits) : APInt::getSignBit(EltBits);
- Constant *C = ConstantInt::get(*Context, MaskElt);
- C = ConstantVector::getSplat(NumElts, C);
- const TargetLowering &TLI = DAG.getTargetLoweringInfo();
- SDValue CPIdx = DAG.getConstantPool(C, TLI.getPointerTy(DAG.getDataLayout()));
- unsigned Alignment = cast<ConstantPoolSDNode>(CPIdx)->getAlignment();
- SDValue Mask = DAG.getLoad(
- LogicVT, dl, DAG.getEntryNode(), CPIdx,
- MachinePointerInfo::getConstantPool(DAG.getMachineFunction()), Alignment);
+ const fltSemantics &Sem =
+ EltVT == MVT::f64 ? APFloat::IEEEdouble :
+ (IsF128 ? APFloat::IEEEquad : APFloat::IEEEsingle);
+ SDValue Mask = DAG.getConstantFP(APFloat(Sem, MaskElt), dl, LogicVT);
SDValue Op0 = Op.getOperand(0);
bool IsFNABS = !IsFABS && (Op0.getOpcode() == ISD::FABS);
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