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ac168b8bc8
For now this is restricted to fixed-length comparisons with a length in the range [1, 256], as for memcpy() and MVC. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188163 91177308-0d34-0410-b5e6-96231b3b80d8
53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
//===-- SystemZSelectionDAGInfo.h - SystemZ SelectionDAG Info ---*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the SystemZ subclass for TargetSelectionDAGInfo.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SYSTEMZSELECTIONDAGINFO_H
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#define SYSTEMZSELECTIONDAGINFO_H
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#include "llvm/Target/TargetSelectionDAGInfo.h"
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namespace llvm {
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class SystemZTargetMachine;
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class SystemZSelectionDAGInfo : public TargetSelectionDAGInfo {
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public:
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explicit SystemZSelectionDAGInfo(const SystemZTargetMachine &TM);
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~SystemZSelectionDAGInfo();
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virtual
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SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, SDLoc DL, SDValue Chain,
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SDValue Dst, SDValue Src,
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SDValue Size, unsigned Align,
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bool IsVolatile, bool AlwaysInline,
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MachinePointerInfo DstPtrInfo,
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MachinePointerInfo SrcPtrInfo) const
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LLVM_OVERRIDE;
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virtual SDValue
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EmitTargetCodeForMemset(SelectionDAG &DAG, SDLoc DL,
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SDValue Chain, SDValue Dst, SDValue Byte,
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SDValue Size, unsigned Align, bool IsVolatile,
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MachinePointerInfo DstPtrInfo) const LLVM_OVERRIDE;
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virtual std::pair<SDValue, SDValue>
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EmitTargetCodeForMemcmp(SelectionDAG &DAG, SDLoc DL, SDValue Chain,
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SDValue Src1, SDValue Src2, SDValue Size,
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MachinePointerInfo Op1PtrInfo,
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MachinePointerInfo Op2PtrInfo) const LLVM_OVERRIDE;
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};
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}
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#endif
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