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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