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/TargetFrameLowering.h"
21#include "llvm/CodeGen/TargetSubtargetInfo.h"
22#include "llvm/IR/DataLayout.h"
23#include "llvm/Target/TargetMachine.h"
24
25#define GET_SUBTARGETINFO_HEADER
26#include "LanaiGenSubtargetInfo.inc"
27
28namespace llvm {
29
30class LanaiSubtarget : public LanaiGenSubtargetInfo {
31public:
32  // This constructor initializes the data members to match that
33  // of the specified triple.
34  LanaiSubtarget(const Triple &TargetTriple, StringRef Cpu,
35                 StringRef FeatureString, const TargetMachine &TM,
36                 const TargetOptions &Options, CodeModel::Model CodeModel,
37                 CodeGenOpt::Level OptLevel);
38
39  // ParseSubtargetFeatures - Parses features string setting specified
40  // subtarget options.  Definition of function is auto generated by tblgen.
41  void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
42
43  LanaiSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS);
44
45  void initSubtargetFeatures(StringRef CPU, StringRef FS);
46
47  bool enableMachineScheduler() const override { return true; }
48
49  const LanaiInstrInfo *getInstrInfo() const override { return &InstrInfo; }
50
51  const TargetFrameLowering *getFrameLowering() const override {
52    return &FrameLowering;
53  }
54
55  const LanaiRegisterInfo *getRegisterInfo() const override {
56    return &InstrInfo.getRegisterInfo();
57  }
58
59  const LanaiTargetLowering *getTargetLowering() const override {
60    return &TLInfo;
61  }
62
63  const LanaiSelectionDAGInfo *getSelectionDAGInfo() const override {
64    return &TSInfo;
65  }
66
67private:
68  LanaiFrameLowering FrameLowering;
69  LanaiInstrInfo InstrInfo;
70  LanaiTargetLowering TLInfo;
71  LanaiSelectionDAGInfo TSInfo;
72};
73} // namespace llvm
74
75#endif // LLVM_LIB_TARGET_LANAI_LANAISUBTARGET_H
76