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 mutable StringMap<std::unique_ptr<AArch64Subtarget>> SubtargetMap; 28 29 public: 30 AArch64TargetMachine(const Target &T, const Triple &TT, StringRef CPU, 31 StringRef FS, const TargetOptions &Options, 32 Optional<Reloc::Model> RM, CodeModel::Model CM, 33 CodeGenOpt::Level OL, bool IsLittleEndian); 34 35 ~AArch64TargetMachine() override; 36 const AArch64Subtarget *getSubtargetImpl(const Function &F) const override; 37 38 // Pass Pipeline Configuration 39 TargetPassConfig *createPassConfig(PassManagerBase &PM) override; 40 41 /// \brief Get the TargetIRAnalysis for this target. 42 TargetIRAnalysis getTargetIRAnalysis() override; 43 44 TargetLoweringObjectFile* getObjFileLowering() const override { 45 return TLOF.get(); 46 } 47 48 private: 49 AArch64Subtarget Subtarget; 50 }; 51 52 // AArch64 little endian target machine. 53 // 54 class AArch64leTargetMachine : public AArch64TargetMachine { 55 virtual void anchor(); 56 public: 57 AArch64leTargetMachine(const Target &T, const Triple &TT, StringRef CPU, 58 StringRef FS, const TargetOptions &Options, 59 Optional<Reloc::Model> RM, CodeModel::Model CM, 60 CodeGenOpt::Level OL); 61 }; 62 63 // AArch64 big endian target machine. 64 // 65 class AArch64beTargetMachine : public AArch64TargetMachine { 66 virtual void anchor(); 67 public: 68 AArch64beTargetMachine(const Target &T, const Triple &TT, StringRef CPU, 69 StringRef FS, const TargetOptions &Options, 70 Optional<Reloc::Model> RM, CodeModel::Model CM, 71 CodeGenOpt::Level OL); 72 }; 73 74 } // end namespace llvm 75 76 #endif 77
