LanaiSubtarget.h

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//=====-- LanaiSubtarget.h - Define Subtarget for the Lanai -----*- C++ -*--==//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file declares the Lanai specific subclass of TargetSubtarget.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_LIB_TARGET_LANAI_LANAISUBTARGET_H
#define LLVM_LIB_TARGET_LANAI_LANAISUBTARGET_H
 
#include "LanaiFrameLowering.h"
#include "LanaiISelLowering.h"
#include "LanaiInstrInfo.h"
#include "LanaiSelectionDAGInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/Target/TargetMachine.h"
 
#define OPTIONS_STRUCT_DECL
#include "LanaiOptions.inc"
 
#define GET_SUBTARGETINFO_HEADER
#include "LanaiGenSubtargetInfo.inc"
 
namespace llvm {
class LanaiTargetMachine;
 
class LanaiSubtarget : public LanaiGenSubtargetInfo {
public:
  // This constructor initializes the data members to match that
  // of the specified triple.
  LanaiSubtarget(const Triple &TargetTriple, StringRef Cpu,
                 StringRef FeatureString, const LanaiTargetMachine &TM,
                 const TargetOptions &Options, CodeModel::Model CodeModel,
                 CodeGenOptLevel OptLevel);
 
  const LanaiOptions &getCLOpts() const { return CLOpts; }
 
  // ParseSubtargetFeatures - Parses features string setting specified
  // subtarget options.  Definition of function is auto generated by tblgen.
  void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS);
 
  LanaiSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
 
  void initSubtargetFeatures(StringRef CPU, StringRef FS);
 
  bool enableMachineScheduler() const override { return true; }
 
  const LanaiInstrInfo *getInstrInfo() const override { return &InstrInfo; }
 
  const TargetFrameLowering *getFrameLowering() const override {
    return &FrameLowering;
  }
 
  const LanaiRegisterInfo *getRegisterInfo() const override {
    return &InstrInfo.getRegisterInfo();
  }
 
  const LanaiTargetLowering *getTargetLowering() const override {
    return &TLInfo;
  }
 
  const LanaiSelectionDAGInfo *getSelectionDAGInfo() const override {
    return &TSInfo;
  }
 
private:
  const LanaiOptions &CLOpts;
  LanaiInstrInfo InstrInfo;
  LanaiFrameLowering FrameLowering;
  LanaiTargetLowering TLInfo;
  LanaiSelectionDAGInfo TSInfo;
};
} // namespace llvm
 
#endif // LLVM_LIB_TARGET_LANAI_LANAISUBTARGET_H