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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 X86SELECTIONDAGINFO_H
15 #define X86SELECTIONDAGINFO_H
16 
17 #include "llvm/Target/TargetSelectionDAGInfo.h"
18 
19 namespace llvm {
20 
21 class X86TargetLowering;
22 class X86TargetMachine;
23 class X86Subtarget;
24 
25 class X86SelectionDAGInfo : public TargetSelectionDAGInfo {
26   /// Subtarget - Keep a pointer to the X86Subtarget around so that we can
27   /// make the right decision when generating code for different targets.
28   const X86Subtarget *Subtarget;
29 
30   const X86TargetLowering &TLI;
31 
32 public:
33   explicit X86SelectionDAGInfo(const X86TargetMachine &TM);
34   ~X86SelectionDAGInfo();
35 
36   virtual
37   SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, DebugLoc dl,
38                                   SDValue Chain,
39                                   SDValue Dst, SDValue Src,
40                                   SDValue Size, unsigned Align,
41                                   bool isVolatile,
42                                   MachinePointerInfo DstPtrInfo) const;
43 
44   virtual
45   SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl,
46                                   SDValue Chain,
47                                   SDValue Dst, SDValue Src,
48                                   SDValue Size, unsigned Align,
49                                   bool isVolatile, bool AlwaysInline,
50                                   MachinePointerInfo DstPtrInfo,
51                                   MachinePointerInfo SrcPtrInfo) const;
52 };
53 
54 }
55 
56 #endif
57