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llvm-mirror/lib/Target/SystemZ/SystemZSelectionDAGInfo.h
Benjamin Kramer e80783f62f Pass DebugLoc and SDLoc by const ref.
This used to be free, copying and moving DebugLocs became expensive
after the metadata rewrite. Passing by reference eliminates a ton of
track/untrack operations. No functionality change intended.

llvm-svn: 272512
2016-06-12 15:39:02 +00:00

75 lines
3.1 KiB
C++

//===-- 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 SelectionDAGTargetInfo.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZSELECTIONDAGINFO_H
#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZSELECTIONDAGINFO_H
#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
namespace llvm {
class SystemZTargetMachine;
class SystemZSelectionDAGInfo : public SelectionDAGTargetInfo {
public:
explicit SystemZSelectionDAGInfo() = default;
SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &DL,
SDValue Chain, SDValue Dst, SDValue Src,
SDValue Size, unsigned Align, bool IsVolatile,
bool AlwaysInline,
MachinePointerInfo DstPtrInfo,
MachinePointerInfo SrcPtrInfo) const override;
SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, const SDLoc &DL,
SDValue Chain, SDValue Dst, SDValue Byte,
SDValue Size, unsigned Align, bool IsVolatile,
MachinePointerInfo DstPtrInfo) const override;
std::pair<SDValue, SDValue>
EmitTargetCodeForMemcmp(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
SDValue Src1, SDValue Src2, SDValue Size,
MachinePointerInfo Op1PtrInfo,
MachinePointerInfo Op2PtrInfo) const override;
std::pair<SDValue, SDValue>
EmitTargetCodeForMemchr(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
SDValue Src, SDValue Char, SDValue Length,
MachinePointerInfo SrcPtrInfo) const override;
std::pair<SDValue, SDValue> EmitTargetCodeForStrcpy(
SelectionDAG &DAG, const SDLoc &DL, SDValue Chain, SDValue Dest,
SDValue Src, MachinePointerInfo DestPtrInfo,
MachinePointerInfo SrcPtrInfo, bool isStpcpy) const override;
std::pair<SDValue, SDValue>
EmitTargetCodeForStrcmp(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
SDValue Src1, SDValue Src2,
MachinePointerInfo Op1PtrInfo,
MachinePointerInfo Op2PtrInfo) const override;
std::pair<SDValue, SDValue>
EmitTargetCodeForStrlen(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
SDValue Src,
MachinePointerInfo SrcPtrInfo) const override;
std::pair<SDValue, SDValue>
EmitTargetCodeForStrnlen(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
SDValue Src, SDValue MaxLength,
MachinePointerInfo SrcPtrInfo) const override;
};
} // end namespace llvm
#endif