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