1 //===-- DirectXSubtarget.h - Define Subtarget for DirectX -------*- 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 DirectX specific subclass of TargetSubtargetInfo.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_DIRECTX_DIRECTXSUBTARGET_H
14 #define LLVM_DIRECTX_DIRECTXSUBTARGET_H
15 
16 #include "DirectXFrameLowering.h"
17 #include "DirectXInstrInfo.h"
18 #include "DirectXTargetLowering.h"
19 #include "llvm/CodeGen/TargetSubtargetInfo.h"
20 #include "llvm/IR/DataLayout.h"
21 #include "llvm/Target/TargetMachine.h"
22 
23 #define GET_SUBTARGETINFO_HEADER
24 #include "DirectXGenSubtargetInfo.inc"
25 
26 namespace llvm {
27 
28 class DirectXTargetMachine;
29 
30 class DirectXSubtarget : public DirectXGenSubtargetInfo {
31   DirectXFrameLowering FL;
32   DirectXTargetLowering TL;
33   DirectXInstrInfo InstrInfo;
34 
35   virtual void anchor(); // virtual anchor method
36 
37 public:
38   DirectXSubtarget(const Triple &TT, StringRef CPU, StringRef FS,
39                    const DirectXTargetMachine &TM);
40 
41   /// Parses a subtarget feature string, setting appropriate options.
42   /// \note Definition of function is auto generated by `tblgen`.
43   void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS);
44 
45   const DirectXTargetLowering *getTargetLowering() const override {
46     return &TL;
47   }
48 
49   const DirectXFrameLowering *getFrameLowering() const override { return &FL; }
50 
51   const DirectXInstrInfo *getInstrInfo() const override { return &InstrInfo; }
52 };
53 
54 } // end namespace llvm
55 
56 #endif // LLVM_DIRECTX_DIRECTXSUBTARGET_H
57