1//===-- X86SelectionDAGInfo.h - X86 SelectionDAG Info -----------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file defines the X86 subclass for TargetSelectionDAGInfo.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_LIB_TARGET_X86_X86SELECTIONDAGINFO_H
15#define LLVM_LIB_TARGET_X86_X86SELECTIONDAGINFO_H
16
17#include "llvm/Target/TargetSelectionDAGInfo.h"
18
19namespace llvm {
20
21class X86TargetLowering;
22class X86TargetMachine;
23class X86Subtarget;
24
25class X86SelectionDAGInfo : public TargetSelectionDAGInfo {
26  /// Returns true if it is possible for the base register to conflict with the
27  /// given set of clobbers for a memory intrinsic.
28  bool isBaseRegConflictPossible(SelectionDAG &DAG,
29                                 ArrayRef<unsigned> ClobberSet) const;
30
31public:
32  explicit X86SelectionDAGInfo(const DataLayout &DL);
33  ~X86SelectionDAGInfo();
34
35  SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, SDLoc dl,
36                                  SDValue Chain,
37                                  SDValue Dst, SDValue Src,
38                                  SDValue Size, unsigned Align,
39                                  bool isVolatile,
40                                  MachinePointerInfo DstPtrInfo) const override;
41
42  SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, SDLoc dl,
43                                  SDValue Chain,
44                                  SDValue Dst, SDValue Src,
45                                  SDValue Size, unsigned Align,
46                                  bool isVolatile, bool AlwaysInline,
47                                  MachinePointerInfo DstPtrInfo,
48                                  MachinePointerInfo SrcPtrInfo) const override;
49};
50
51}
52
53#endif
54