llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.h

   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   bool isTargetMemoryOpcode(unsigned Opcode) const override;
  25
  26   bool isTargetStrictFPOpcode(unsigned Opcode) const override;
  27
  28   SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &DL,
  29                                   SDValue Chain, SDValue Dst, SDValue Src,
  30                                   SDValue Size, Align Alignment,
  31                                   bool IsVolatile, bool AlwaysInline,
  32                                   MachinePointerInfo DstPtrInfo,
  33                                   MachinePointerInfo SrcPtrInfo) const override;
  34
  35   SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, const SDLoc &DL,
  36                                   SDValue Chain, SDValue Dst, SDValue Byte,
  37                                   SDValue Size, Align Alignment,
  38                                   bool IsVolatile, bool AlwaysInline,
  39                                   MachinePointerInfo DstPtrInfo) const override;
  40
  41   std::pair<SDValue, SDValue>
  42   EmitTargetCodeForMemcmp(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
  43                           SDValue Src1, SDValue Src2, SDValue Size,
  44                           MachinePointerInfo Op1PtrInfo,
  45                           MachinePointerInfo Op2PtrInfo) const override;
  46
  47   std::pair<SDValue, SDValue>
  48   EmitTargetCodeForMemchr(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
  49                           SDValue Src, SDValue Char, SDValue Length,
  50                           MachinePointerInfo SrcPtrInfo) const override;
  51
  52   std::pair<SDValue, SDValue> EmitTargetCodeForStrcpy(
  53       SelectionDAG &DAG, const SDLoc &DL, SDValue Chain, SDValue Dest,
  54       SDValue Src, MachinePointerInfo DestPtrInfo,
  55       MachinePointerInfo SrcPtrInfo, bool isStpcpy) const override;
  56
  57   std::pair<SDValue, SDValue>
  58   EmitTargetCodeForStrcmp(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
  59                           SDValue Src1, SDValue Src2,
  60                           MachinePointerInfo Op1PtrInfo,
  61                           MachinePointerInfo Op2PtrInfo) const override;
  62
  63   std::pair<SDValue, SDValue>
  64   EmitTargetCodeForStrlen(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
  65                           SDValue Src,
  66                           MachinePointerInfo SrcPtrInfo) const override;
  67
  68   std::pair<SDValue, SDValue>
  69   EmitTargetCodeForStrnlen(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
  70                            SDValue Src, SDValue MaxLength,
  71                            MachinePointerInfo SrcPtrInfo) const override;
  72 };
  73
  74 } // end namespace llvm
  75
  76 #endif