ARM64: initial backend import
[oota-llvm.git] / lib / Target / ARM64 / ARM64SelectionDAGInfo.h
1 //===-- ARM64SelectionDAGInfo.h - ARM64 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 ARM64 subclass for TargetSelectionDAGInfo.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #ifndef ARM64SELECTIONDAGINFO_H
15 #define ARM64SELECTIONDAGINFO_H
16
17 #include "llvm/Target/TargetSelectionDAGInfo.h"
18
19 namespace llvm {
20
21 class ARM64SelectionDAGInfo : public TargetSelectionDAGInfo {
22   /// Subtarget - Keep a pointer to the ARMSubtarget around so that we can
23   /// make the right decision when generating code for different targets.
24   const ARM64Subtarget *Subtarget;
25
26 public:
27   explicit ARM64SelectionDAGInfo(const TargetMachine &TM);
28   ~ARM64SelectionDAGInfo();
29
30   virtual SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, SDLoc dl,
31                                           SDValue Chain, SDValue Dst,
32                                           SDValue Src, SDValue Size,
33                                           unsigned Align, bool isVolatile,
34                                           MachinePointerInfo DstPtrInfo) const;
35 };
36 }
37
38 #endif