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
27namespace llvm {
28
29class LanaiSubtarget : public LanaiGenSubtargetInfo {
30public:
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
66private:
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
75