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//===-- X86SelectionDAGInfo.h - X86 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 X86 subclass for SelectionDAGTargetInfo.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_X86_X86SELECTIONDAGINFO_H
#define LLVM_LIB_TARGET_X86_X86SELECTIONDAGINFO_H
#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
namespace llvm {
class X86TargetLowering;
class X86TargetMachine;
class X86Subtarget;
class X86SelectionDAGInfo : public SelectionDAGTargetInfo {
/// Returns true if it is possible for the base register to conflict with the
/// given set of clobbers for a memory intrinsic.
bool isBaseRegConflictPossible(SelectionDAG &DAG,
ArrayRef<MCPhysReg> ClobberSet) const;
public:
explicit X86SelectionDAGInfo() = default;
SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, const SDLoc &dl,
SDValue Chain, SDValue Dst, SDValue Src,
SDValue Size, unsigned Align, bool isVolatile,
MachinePointerInfo DstPtrInfo) const override;
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;
};
}
#endif
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