1 //==-- AArch64TargetMachine.h - Define TargetMachine for 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 TargetMachine. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_LIB_TARGET_AARCH64_AARCH64TARGETMACHINE_H 15 #define LLVM_LIB_TARGET_AARCH64_AARCH64TARGETMACHINE_H 16 17 #include "AArch64InstrInfo.h" 18 #include "AArch64Subtarget.h" 19 #include "llvm/IR/DataLayout.h" 20 #include "llvm/Target/TargetMachine.h" 21 22 namespace llvm { 23 24 class AArch64TargetMachine : public LLVMTargetMachine { 25 protected: 26 std::unique_ptr<TargetLoweringObjectFile> TLOF; 27 AArch64Subtarget Subtarget; 28 mutable StringMap<std::unique_ptr<AArch64Subtarget>> SubtargetMap; 29 30 public: 31 AArch64TargetMachine(const Target &T, StringRef TT, StringRef CPU, 32 StringRef FS, const TargetOptions &Options, 33 Reloc::Model RM, CodeModel::Model CM, 34 CodeGenOpt::Level OL, bool IsLittleEndian); 35 36 ~AArch64TargetMachine() override; 37 getSubtargetImpl()38 const AArch64Subtarget *getSubtargetImpl() const override { 39 return &Subtarget; 40 } 41 const AArch64Subtarget *getSubtargetImpl(const Function &F) const override; 42 43 // Pass Pipeline Configuration 44 TargetPassConfig *createPassConfig(PassManagerBase &PM) override; 45 46 /// \brief Register AArch64 analysis passes with a pass manager. 47 void addAnalysisPasses(PassManagerBase &PM) override; 48 getObjFileLowering()49 TargetLoweringObjectFile* getObjFileLowering() const override { 50 return TLOF.get(); 51 } 52 53 private: 54 bool isLittle; 55 }; 56 57 // AArch64leTargetMachine - AArch64 little endian target machine. 58 // 59 class AArch64leTargetMachine : public AArch64TargetMachine { 60 virtual void anchor(); 61 public: 62 AArch64leTargetMachine(const Target &T, StringRef TT, StringRef CPU, 63 StringRef FS, const TargetOptions &Options, 64 Reloc::Model RM, CodeModel::Model CM, 65 CodeGenOpt::Level OL); 66 }; 67 68 // AArch64beTargetMachine - AArch64 big endian target machine. 69 // 70 class AArch64beTargetMachine : public AArch64TargetMachine { 71 virtual void anchor(); 72 public: 73 AArch64beTargetMachine(const Target &T, StringRef TT, StringRef CPU, 74 StringRef FS, const TargetOptions &Options, 75 Reloc::Model RM, CodeModel::Model CM, 76 CodeGenOpt::Level OL); 77 }; 78 79 } // end namespace llvm 80 81 #endif 82