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1 //===-- SystemZSelectionDAGInfo.h - SystemZ SelectionDAG Info ---*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file defines the SystemZ subclass for SelectionDAGTargetInfo.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZSELECTIONDAGINFO_H
14 #define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZSELECTIONDAGINFO_H
15 
16 #include "llvm/CodeGen/SelectionDAGTargetInfo.h"
17 
18 namespace llvm {
19 
20 class SystemZTargetMachine;
21 
22 class SystemZSelectionDAGInfo : public SelectionDAGTargetInfo {
23 public:
24   explicit SystemZSelectionDAGInfo() = default;
25 
26   SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &DL,
27                                   SDValue Chain, SDValue Dst, SDValue Src,
28                                   SDValue Size, Align Alignment,
29                                   bool IsVolatile, bool AlwaysInline,
30                                   MachinePointerInfo DstPtrInfo,
31                                   MachinePointerInfo SrcPtrInfo) const override;
32 
33   SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, const SDLoc &DL,
34                                   SDValue Chain, SDValue Dst, SDValue Byte,
35                                   SDValue Size, Align Alignment,
36                                   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