lib/Target/Lanai/LanaiSubtarget.h

   1 //=====-- LanaiSubtarget.h - Define Subtarget for the Lanai -----*- 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 declares the Lanai specific subclass of TargetSubtarget.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_LIB_TARGET_LANAI_LANAISUBTARGET_H
  14 #define LLVM_LIB_TARGET_LANAI_LANAISUBTARGET_H
  15
  16 #include "LanaiFrameLowering.h"
  17 #include "LanaiISelLowering.h"
  18 #include "LanaiInstrInfo.h"
  19 #include "LanaiSelectionDAGInfo.h"
  20 #include "llvm/CodeGen/TargetFrameLowering.h"
  21 #include "llvm/CodeGen/TargetSubtargetInfo.h"
  22 #include "llvm/IR/DataLayout.h"
  23 #include "llvm/Target/TargetMachine.h"
  24
  25 #define GET_SUBTARGETINFO_HEADER
  26 #include "LanaiGenSubtargetInfo.inc"
  27
  28 namespace llvm {
  29
  30 class LanaiSubtarget : public LanaiGenSubtargetInfo {
  31 public:
  32   // This constructor initializes the data members to match that
  33   // of the specified triple.
  34   LanaiSubtarget(const Triple &TargetTriple, StringRef Cpu,
  35                  StringRef FeatureString, const TargetMachine &TM,
  36                  const TargetOptions &Options, CodeModel::Model CodeModel,
  37                  CodeGenOpt::Level OptLevel);
  38
  39   // ParseSubtargetFeatures - Parses features string setting specified
  40   // subtarget options.  Definition of function is auto generated by tblgen.
  41   void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
  42
  43   LanaiSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
  44
  45   void initSubtargetFeatures(StringRef CPU, StringRef FS);
  46
  47   bool enableMachineScheduler() const override { return true; }
  48
  49   const LanaiInstrInfo *getInstrInfo() const override { return &InstrInfo; }
  50
  51   const TargetFrameLowering *getFrameLowering() const override {
  52     return &FrameLowering;
  53   }
  54
  55   const LanaiRegisterInfo *getRegisterInfo() const override {
  56     return &InstrInfo.getRegisterInfo();
  57   }
  58
  59   const LanaiTargetLowering *getTargetLowering() const override {
  60     return &TLInfo;
  61   }
  62
  63   const LanaiSelectionDAGInfo *getSelectionDAGInfo() const override {
  64     return &TSInfo;
  65   }
  66
  67 private:
  68   LanaiFrameLowering FrameLowering;
  69   LanaiInstrInfo InstrInfo;
  70   LanaiTargetLowering TLInfo;
  71   LanaiSelectionDAGInfo TSInfo;
  72 };
  73 } // namespace llvm
  74
  75 #endif // LLVM_LIB_TARGET_LANAI_LANAISUBTARGET_H