llvm-6502/lib/Target/SystemZ/SystemZSelectionDAGInfo.h
Richard Sandiford 19262ee072 [SystemZ] Use SRST to implement strlen and strnlen
It would also make sense to use it for memchr; I'm working on that now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188547 91177308-0d34-0410-b5e6-96231b3b80d8
2013-08-16 11:41:43 +00:00

76 lines
2.9 KiB
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//===-- SystemZSelectionDAGInfo.h - SystemZ SelectionDAG Info ---*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the SystemZ subclass for TargetSelectionDAGInfo.
//
//===----------------------------------------------------------------------===//
#ifndef SYSTEMZSELECTIONDAGINFO_H
#define SYSTEMZSELECTIONDAGINFO_H
#include "llvm/Target/TargetSelectionDAGInfo.h"
namespace llvm {
class SystemZTargetMachine;
class SystemZSelectionDAGInfo : public TargetSelectionDAGInfo {
public:
explicit SystemZSelectionDAGInfo(const SystemZTargetMachine &TM);
~SystemZSelectionDAGInfo();
virtual
SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, SDLoc DL, SDValue Chain,
SDValue Dst, SDValue Src,
SDValue Size, unsigned Align,
bool IsVolatile, bool AlwaysInline,
MachinePointerInfo DstPtrInfo,
MachinePointerInfo SrcPtrInfo) const
LLVM_OVERRIDE;
virtual SDValue
EmitTargetCodeForMemset(SelectionDAG &DAG, SDLoc DL,
SDValue Chain, SDValue Dst, SDValue Byte,
SDValue Size, unsigned Align, bool IsVolatile,
MachinePointerInfo DstPtrInfo) const LLVM_OVERRIDE;
virtual std::pair<SDValue, SDValue>
EmitTargetCodeForMemcmp(SelectionDAG &DAG, SDLoc DL, SDValue Chain,
SDValue Src1, SDValue Src2, SDValue Size,
MachinePointerInfo Op1PtrInfo,
MachinePointerInfo Op2PtrInfo) const LLVM_OVERRIDE;
virtual std::pair<SDValue, SDValue>
EmitTargetCodeForStrcpy(SelectionDAG &DAG, SDLoc DL, SDValue Chain,
SDValue Dest, SDValue Src,
MachinePointerInfo DestPtrInfo,
MachinePointerInfo SrcPtrInfo,
bool isStpcpy) const LLVM_OVERRIDE;
virtual std::pair<SDValue, SDValue>
EmitTargetCodeForStrcmp(SelectionDAG &DAG, SDLoc DL, SDValue Chain,
SDValue Src1, SDValue Src2,
MachinePointerInfo Op1PtrInfo,
MachinePointerInfo Op2PtrInfo) const LLVM_OVERRIDE;
virtual std::pair<SDValue, SDValue>
EmitTargetCodeForStrlen(SelectionDAG &DAG, SDLoc DL, SDValue Chain,
SDValue Src, MachinePointerInfo SrcPtrInfo) const
LLVM_OVERRIDE;
virtual std::pair<SDValue, SDValue>
EmitTargetCodeForStrnlen(SelectionDAG &DAG, SDLoc DL, SDValue Chain,
SDValue Src, SDValue MaxLength,
MachinePointerInfo SrcPtrInfo) const LLVM_OVERRIDE;
};
}
#endif