LLVM  10.0.0svn
ARCSubtarget.h
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1 //===- ARCSubtarget.h - Define Subtarget for the ARC ------------*- 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 ARC specific subclass of TargetSubtargetInfo.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_LIB_TARGET_ARC_ARCSUBTARGET_H
14 #define LLVM_LIB_TARGET_ARC_ARCSUBTARGET_H
15 
16 #include "ARCFrameLowering.h"
17 #include "ARCISelLowering.h"
18 #include "ARCInstrInfo.h"
21 #include <string>
22 
23 #define GET_SUBTARGETINFO_HEADER
24 #include "ARCGenSubtargetInfo.inc"
25 
26 namespace llvm {
27 
28 class StringRef;
29 class TargetMachine;
30 
32  virtual void anchor();
33  ARCInstrInfo InstrInfo;
34  ARCFrameLowering FrameLowering;
35  ARCTargetLowering TLInfo;
37 
38 public:
39  /// This constructor initializes the data members to match that
40  /// of the specified triple.
41  ARCSubtarget(const Triple &TT, const std::string &CPU, const std::string &FS,
42  const TargetMachine &TM);
43 
44  /// Parses features string setting specified subtarget options.
45  /// Definition of function is auto generated by tblgen.
47 
48  const ARCInstrInfo *getInstrInfo() const override { return &InstrInfo; }
49  const ARCFrameLowering *getFrameLowering() const override {
50  return &FrameLowering;
51  }
52  const ARCTargetLowering *getTargetLowering() const override {
53  return &TLInfo;
54  }
55  const ARCRegisterInfo *getRegisterInfo() const override {
56  return &InstrInfo.getRegisterInfo();
57  }
58  const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
59  return &TSInfo;
60  }
61 };
62 
63 } // end namespace llvm
64 
65 #endif // LLVM_LIB_TARGET_ARC_ARCSUBTARGET_H
const ARCRegisterInfo & getRegisterInfo() const
Definition: ARCInstrInfo.h:33
This class represents lattice values for constants.
Definition: AllocatorList.h:23
void ParseSubtargetFeatures(StringRef CPU, StringRef FS)
Parses features string setting specified subtarget options.
const ARCRegisterInfo * getRegisterInfo() const override
Definition: ARCSubtarget.h:55
const ARCInstrInfo * getInstrInfo() const override
Definition: ARCSubtarget.h:48
ARCSubtarget(const Triple &TT, const std::string &CPU, const std::string &FS, const TargetMachine &TM)
This constructor initializes the data members to match that of the specified triple.
const ARCTargetLowering * getTargetLowering() const override
Definition: ARCSubtarget.h:52
Targets can subclass this to parameterize the SelectionDAG lowering and instruction selection process...
const SelectionDAGTargetInfo * getSelectionDAGInfo() const override
Definition: ARCSubtarget.h:58
Triple - Helper class for working with autoconf configuration names.
Definition: Triple.h:43
Primary interface to the complete machine description for the target machine.
Definition: TargetMachine.h:65
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:48
const ARCFrameLowering * getFrameLowering() const override
Definition: ARCSubtarget.h:49