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 
27 namespace llvm {
28 
29 class LanaiSubtarget : public LanaiGenSubtargetInfo {
30 public:
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 
enableMachineScheduler()46   bool enableMachineScheduler() const override { return true; }
47 
getInstrInfo()48   const LanaiInstrInfo *getInstrInfo() const override { return &InstrInfo; }
49 
getFrameLowering()50   const TargetFrameLowering *getFrameLowering() const override {
51     return &FrameLowering;
52   }
53 
getRegisterInfo()54   const LanaiRegisterInfo *getRegisterInfo() const override {
55     return &InstrInfo.getRegisterInfo();
56   }
57 
getTargetLowering()58   const LanaiTargetLowering *getTargetLowering() const override {
59     return &TLInfo;
60   }
61 
getSelectionDAGInfo()62   const LanaiSelectionDAGInfo *getSelectionDAGInfo() const override {
63     return &TSInfo;
64   }
65 
66 private:
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