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 SystemZSelectionDAGInfo : public SelectionDAGTargetInfo {
21 public:
22   explicit SystemZSelectionDAGInfo() = default;
23 
24   SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &DL,
25                                   SDValue Chain, SDValue Dst, SDValue Src,
26                                   SDValue Size, Align Alignment,
27                                   bool IsVolatile, bool AlwaysInline,
28                                   MachinePointerInfo DstPtrInfo,
29                                   MachinePointerInfo SrcPtrInfo) const override;
30 
31   SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, const SDLoc &DL,
32                                   SDValue Chain, SDValue Dst, SDValue Byte,
33                                   SDValue Size, Align Alignment,
34                                   bool IsVolatile, bool AlwaysInline,
35                                   MachinePointerInfo DstPtrInfo) const override;
36 
37   std::pair<SDValue, SDValue>
38   EmitTargetCodeForMemcmp(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
39                           SDValue Src1, SDValue Src2, SDValue Size,
40                           MachinePointerInfo Op1PtrInfo,
41                           MachinePointerInfo Op2PtrInfo) const override;
42 
43   std::pair<SDValue, SDValue>
44   EmitTargetCodeForMemchr(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
45                           SDValue Src, SDValue Char, SDValue Length,
46                           MachinePointerInfo SrcPtrInfo) const override;
47 
48   std::pair<SDValue, SDValue> EmitTargetCodeForStrcpy(
49       SelectionDAG &DAG, const SDLoc &DL, SDValue Chain, SDValue Dest,
50       SDValue Src, MachinePointerInfo DestPtrInfo,
51       MachinePointerInfo SrcPtrInfo, bool isStpcpy) const override;
52 
53   std::pair<SDValue, SDValue>
54   EmitTargetCodeForStrcmp(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
55                           SDValue Src1, SDValue Src2,
56                           MachinePointerInfo Op1PtrInfo,
57                           MachinePointerInfo Op2PtrInfo) const override;
58 
59   std::pair<SDValue, SDValue>
60   EmitTargetCodeForStrlen(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
61                           SDValue Src,
62                           MachinePointerInfo SrcPtrInfo) const override;
63 
64   std::pair<SDValue, SDValue>
65   EmitTargetCodeForStrnlen(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
66                            SDValue Src, SDValue MaxLength,
67                            MachinePointerInfo SrcPtrInfo) const override;
68 };
69 
70 } // end namespace llvm
71 
72 #endif
73