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"
19#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
20#include "llvm/CodeGen/TargetSubtargetInfo.h"
21#include <string>
22
23#define GET_SUBTARGETINFO_HEADER
24#include "ARCGenSubtargetInfo.inc"
25
26namespace llvm {
27
28class StringRef;
29class TargetMachine;
30
31class ARCSubtarget : public ARCGenSubtargetInfo {
32 virtual void anchor();
33 ARCInstrInfo InstrInfo;
34 ARCFrameLowering FrameLowering;
35 ARCTargetLowering TLInfo;
36 SelectionDAGTargetInfo TSInfo;
37
38 // ARC processor extensions
39 bool Xnorm = false;
40
41public:
42 /// This constructor initializes the data members to match that
43 /// of the specified triple.
44 ARCSubtarget(const Triple &TT, const std::string &CPU, const std::string &FS,
45 const TargetMachine &TM);
46
47 /// Parses features string setting specified subtarget options.
48 /// Definition of function is auto generated by tblgen.
49 void ParseSubtargetFeatures(StringRef CPU, StringRef TuneCPU, StringRef FS);
50
51 const ARCInstrInfo *getInstrInfo() const override { return &InstrInfo; }
52 const ARCFrameLowering *getFrameLowering() const override {
53 return &FrameLowering;
54 }
55 const ARCTargetLowering *getTargetLowering() const override {
56 return &TLInfo;
57 }
58 const ARCRegisterInfo *getRegisterInfo() const override {
59 return &InstrInfo.getRegisterInfo();
60 }
61 const SelectionDAGTargetInfo *getSelectionDAGInfo() const override {
62 return &TSInfo;
63 }
64
65 bool hasNorm() const { return Xnorm; }
66};
67
68} // end namespace llvm
69
70#endif // LLVM_LIB_TARGET_ARC_ARCSUBTARGET_H
71

source code of llvm/lib/Target/ARC/ARCSubtarget.h