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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46002 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -29,15 +29,22 @@ CCState::CCState(unsigned CC, bool isVarArg, const TargetMachine &tm,
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UsedRegs.resize(MRI.getNumRegs());
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}
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void CCState::HandleStruct(unsigned ValNo, MVT::ValueType ValVT,
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MVT::ValueType LocVT, CCValAssign::LocInfo LocInfo,
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unsigned ArgFlags) {
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unsigned MinAlign = TM.getTargetData()->getPointerABIAlignment();
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// HandleByVal - Allocate a stack slot large enough to pass an argument by
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// value. The size and alignment information of the argument is encoded in its
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// parameter attribute.
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void CCState::HandleByVal(unsigned ValNo, MVT::ValueType ValVT,
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MVT::ValueType LocVT, CCValAssign::LocInfo LocInfo,
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int MinSize, int MinAlign,
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unsigned ArgFlags) {
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unsigned Align = 1 << ((ArgFlags & ISD::ParamFlags::ByValAlign) >>
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ISD::ParamFlags::ByValAlignOffs);
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unsigned Size = (ArgFlags & ISD::ParamFlags::ByValSize) >>
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ISD::ParamFlags::ByValSizeOffs;
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unsigned Offset = AllocateStack(Size, std::max(MinAlign, Align));
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if (MinSize > (int)Size)
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Size = MinSize;
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if (MinAlign > (int)Align)
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Align = MinAlign;
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unsigned Offset = AllocateStack(Size, Align);
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addLoc(CCValAssign::getMem(ValNo, ValVT, Offset, LocVT, LocInfo));
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}
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