DirectXSubtarget.h

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//===-- DirectXSubtarget.h - Define Subtarget for DirectX -------*- 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 DirectX specific subclass of TargetSubtargetInfo.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_DIRECTX_DIRECTXSUBTARGET_H
#define LLVM_DIRECTX_DIRECTXSUBTARGET_H
 
#include "DirectXFrameLowering.h"
#include "DirectXInstrInfo.h"
#include "DirectXTargetLowering.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/Target/TargetMachine.h"
 
#define GET_SUBTARGETINFO_HEADER
#include "DirectXGenSubtargetInfo.inc"
 
namespace llvm {
 
class DirectXTargetMachine;
 
class DirectXSubtarget : public DirectXGenSubtargetInfo {
  DirectXFrameLowering FL;
  DirectXTargetLowering TL;
  DirectXInstrInfo InstrInfo;
 
  virtual void anchor(); // virtual anchor method
 
public:
  DirectXSubtarget(const Triple &TT, StringRef CPU, StringRef FS,
                   const DirectXTargetMachine &TM);
 
  /// Parses a subtarget feature string, setting appropriate options.
  /// \note Definition of function is auto generated by `tblgen`.
  void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS);
 
  const DirectXTargetLowering *getTargetLowering() const override {
    return &TL;
  }
 
  const DirectXFrameLowering *getFrameLowering() const override { return &FL; }
 
  const DirectXInstrInfo *getInstrInfo() const override { return &InstrInfo; }
};
 
} // end namespace llvm
 
#endif // LLVM_DIRECTX_DIRECTXSUBTARGET_H