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