1 //==-- AArch64Subtarget.h - Define Subtarget for the AArch64 ---*- C++ -*--===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file declares the AArch64 specific subclass of TargetSubtargetInfo.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_TARGET_AARCH64_SUBTARGET_H
15 #define LLVM_TARGET_AARCH64_SUBTARGET_H
17 #include "llvm/ADT/Triple.h"
18 #include "llvm/Target/TargetSubtargetInfo.h"
20 #define GET_SUBTARGETINFO_HEADER
21 #include "AArch64GenSubtargetInfo.inc"
29 class AArch64Subtarget : public AArch64GenSubtargetInfo {
30 virtual void anchor();
36 /// TargetTriple - What processor and OS we're targeting.
39 /// CPUString - String name of used CPU.
40 std::string CPUString;
42 /// IsLittleEndian - The target is Little Endian
46 void initializeSubtargetFeatures(StringRef CPU, StringRef FS);
49 /// This constructor initializes the data members to match that
50 /// of the specified triple.
52 AArch64Subtarget(StringRef TT, StringRef CPU, StringRef FS,
55 virtual bool enableMachineScheduler() const {
59 /// ParseSubtargetFeatures - Parses features string setting specified
60 /// subtarget options. Definition of function is auto generated by tblgen.
61 void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
63 bool GVIsIndirectSymbol(const GlobalValue *GV, Reloc::Model RelocM) const;
65 bool isTargetELF() const { return TargetTriple.isOSBinFormatELF(); }
66 bool isTargetLinux() const { return TargetTriple.isOSLinux(); }
68 bool hasFPARMv8() const { return HasFPARMv8; }
69 bool hasNEON() const { return HasNEON; }
70 bool hasCrypto() const { return HasCrypto; }
72 bool isLittle() const { return IsLittleEndian; }
74 const std::string & getCPUString() const { return CPUString; }
76 } // End llvm namespace
78 #endif // LLVM_TARGET_AARCH64_SUBTARGET_H