1//==-- AArch64Subtarget.h - Define Subtarget for the AArch64 ---*- C++ -*--===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file declares the AArch64 specific subclass of TargetSubtargetInfo.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_TARGET_AARCH64_SUBTARGET_H
15#define LLVM_TARGET_AARCH64_SUBTARGET_H
16
17#include "llvm/ADT/Triple.h"
18#include "llvm/Target/TargetSubtargetInfo.h"
19
20#define GET_SUBTARGETINFO_HEADER
21#include "AArch64GenSubtargetInfo.inc"
22
23#include <string>
24
25namespace llvm {
26class StringRef;
27class GlobalValue;
28
29class AArch64Subtarget : public AArch64GenSubtargetInfo {
30protected:
31  bool HasNEON;
32  bool HasCrypto;
33
34  /// TargetTriple - What processor and OS we're targeting.
35  Triple TargetTriple;
36public:
37  /// This constructor initializes the data members to match that
38  /// of the specified triple.
39  ///
40  AArch64Subtarget(StringRef TT, StringRef CPU, StringRef FS);
41
42  /// ParseSubtargetFeatures - Parses features string setting specified
43  /// subtarget options.  Definition of function is auto generated by tblgen.
44  void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
45
46  bool GVIsIndirectSymbol(const GlobalValue *GV, Reloc::Model RelocM) const;
47
48  bool isTargetELF() const { return TargetTriple.isOSBinFormatELF(); }
49  bool isTargetLinux() const { return TargetTriple.getOS() == Triple::Linux; }
50
51};
52} // End llvm namespace
53
54#endif  // LLVM_TARGET_AARCH64_SUBTARGET_H
55