1 //===-- SystemZSelectionDAGInfo.h - SystemZ 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 SystemZ subclass for SelectionDAGTargetInfo.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZSELECTIONDAGINFO_H
15 #define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZSELECTIONDAGINFO_H
16 
17 #include "llvm/CodeGen/SelectionDAGTargetInfo.h"
18 
19 namespace llvm {
20 
21 class SystemZTargetMachine;
22 
23 class SystemZSelectionDAGInfo : public SelectionDAGTargetInfo {
24 public:
25   explicit SystemZSelectionDAGInfo() = default;
26 
27   SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &DL,
28                                   SDValue Chain, SDValue Dst, SDValue Src,
29                                   SDValue Size, unsigned Align, bool IsVolatile,
30                                   bool AlwaysInline,
31                                   MachinePointerInfo DstPtrInfo,
32                                   MachinePointerInfo SrcPtrInfo) const override;
33 
34   SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, const SDLoc &DL,
35                                   SDValue Chain, SDValue Dst, SDValue Byte,
36                                   SDValue Size, unsigned Align, bool IsVolatile,
37                                   MachinePointerInfo DstPtrInfo) const override;
38 
39   std::pair<SDValue, SDValue>
40   EmitTargetCodeForMemcmp(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
41                           SDValue Src1, SDValue Src2, SDValue Size,
42                           MachinePointerInfo Op1PtrInfo,
43                           MachinePointerInfo Op2PtrInfo) const override;
44 
45   std::pair<SDValue, SDValue>
46   EmitTargetCodeForMemchr(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
47                           SDValue Src, SDValue Char, SDValue Length,
48                           MachinePointerInfo SrcPtrInfo) const override;
49 
50   std::pair<SDValue, SDValue> EmitTargetCodeForStrcpy(
51       SelectionDAG &DAG, const SDLoc &DL, SDValue Chain, SDValue Dest,
52       SDValue Src, MachinePointerInfo DestPtrInfo,
53       MachinePointerInfo SrcPtrInfo, bool isStpcpy) const override;
54 
55   std::pair<SDValue, SDValue>
56   EmitTargetCodeForStrcmp(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
57                           SDValue Src1, SDValue Src2,
58                           MachinePointerInfo Op1PtrInfo,
59                           MachinePointerInfo Op2PtrInfo) const override;
60 
61   std::pair<SDValue, SDValue>
62   EmitTargetCodeForStrlen(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
63                           SDValue Src,
64                           MachinePointerInfo SrcPtrInfo) const override;
65 
66   std::pair<SDValue, SDValue>
67   EmitTargetCodeForStrnlen(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
68                            SDValue Src, SDValue MaxLength,
69                            MachinePointerInfo SrcPtrInfo) const override;
70 };
71 
72 } // end namespace llvm
73 
74 #endif
75