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 25 namespace llvm { 26 class StringRef; 27 class GlobalValue; 28 29 class AArch64Subtarget : public AArch64GenSubtargetInfo { 30 protected: 31 bool HasNEON; 32 bool HasCrypto; 33 34 /// TargetTriple - What processor and OS we're targeting. 35 Triple TargetTriple; 36 public: 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 isTargetELF()48 bool isTargetELF() const { return TargetTriple.isOSBinFormatELF(); } isTargetLinux()49 bool isTargetLinux() const { return TargetTriple.getOS() == Triple::Linux; } 50 51 }; 52 } // End llvm namespace 53 54 #endif // LLVM_TARGET_AARCH64_SUBTARGET_H 55