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Simplify code. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120907 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -521,13 +521,12 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM)
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setOperationAction(ISD::UNDEF, MVT::f80, Expand);
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setOperationAction(ISD::FCOPYSIGN, MVT::f80, Expand);
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{
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bool ignored;
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APFloat TmpFlt(+0.0);
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TmpFlt.convert(APFloat::x87DoubleExtended, APFloat::rmNearestTiesToEven,
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&ignored);
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APFloat TmpFlt = APFloat::getZero(APFloat::x87DoubleExtended);
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addLegalFPImmediate(TmpFlt); // FLD0
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TmpFlt.changeSign();
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addLegalFPImmediate(TmpFlt); // FLD0/FCHS
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bool ignored;
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APFloat TmpFlt2(+1.0);
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TmpFlt2.convert(APFloat::x87DoubleExtended, APFloat::rmNearestTiesToEven,
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&ignored);
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@ -40,22 +40,25 @@ using namespace llvm;
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//===----------------------------------------------------------------------===//
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// Constructor to create a '0' constant of arbitrary type...
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static const uint64_t zero[2] = {0, 0};
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Constant *Constant::getNullValue(const Type *Ty) {
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switch (Ty->getTypeID()) {
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case Type::IntegerTyID:
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return ConstantInt::get(Ty, 0);
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case Type::FloatTyID:
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return ConstantFP::get(Ty->getContext(), APFloat(APInt(32, 0)));
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return ConstantFP::get(Ty->getContext(),
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APFloat::getZero(APFloat::IEEEsingle));
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case Type::DoubleTyID:
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return ConstantFP::get(Ty->getContext(), APFloat(APInt(64, 0)));
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return ConstantFP::get(Ty->getContext(),
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APFloat::getZero(APFloat::IEEEdouble));
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case Type::X86_FP80TyID:
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return ConstantFP::get(Ty->getContext(), APFloat(APInt(80, 2, zero)));
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return ConstantFP::get(Ty->getContext(),
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APFloat::getZero(APFloat::x87DoubleExtended));
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case Type::FP128TyID:
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return ConstantFP::get(Ty->getContext(),
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APFloat(APInt(128, 2, zero), true));
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APFloat::getZero(APFloat::IEEEquad));
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case Type::PPC_FP128TyID:
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return ConstantFP::get(Ty->getContext(), APFloat(APInt(128, 2, zero)));
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return ConstantFP::get(Ty->getContext(),
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APFloat::getZero(APFloat::PPCDoubleDouble));
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case Type::PointerTyID:
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return ConstantPointerNull::get(cast<PointerType>(Ty));
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case Type::StructTyID:
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