1 //===-- PPCTargetMachine.h - Define TargetMachine for PowerPC ---*- 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 PowerPC specific subclass of TargetMachine. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_LIB_TARGET_POWERPC_PPCTARGETMACHINE_H 15 #define LLVM_LIB_TARGET_POWERPC_PPCTARGETMACHINE_H 16 17 #include "PPCInstrInfo.h" 18 #include "PPCSubtarget.h" 19 #include "llvm/IR/DataLayout.h" 20 #include "llvm/Target/TargetMachine.h" 21 22 namespace llvm { 23 24 /// PPCTargetMachine - Common code between 32-bit and 64-bit PowerPC targets. 25 /// 26 class PPCTargetMachine : public LLVMTargetMachine { 27 public: 28 enum PPCABI { PPC_ABI_UNKNOWN, PPC_ABI_ELFv1, PPC_ABI_ELFv2 }; 29 private: 30 std::unique_ptr<TargetLoweringObjectFile> TLOF; 31 PPCABI TargetABI; 32 PPCSubtarget Subtarget; 33 34 mutable StringMap<std::unique_ptr<PPCSubtarget>> SubtargetMap; 35 36 public: 37 PPCTargetMachine(const Target &T, const Triple &TT, StringRef CPU, 38 StringRef FS, const TargetOptions &Options, Reloc::Model RM, 39 CodeModel::Model CM, CodeGenOpt::Level OL); 40 41 ~PPCTargetMachine() override; 42 43 const PPCSubtarget *getSubtargetImpl(const Function &F) const override; 44 45 // Pass Pipeline Configuration 46 TargetPassConfig *createPassConfig(PassManagerBase &PM) override; 47 48 TargetIRAnalysis getTargetIRAnalysis() override; 49 getObjFileLowering()50 TargetLoweringObjectFile *getObjFileLowering() const override { 51 return TLOF.get(); 52 } isELFv2ABI()53 bool isELFv2ABI() const { return TargetABI == PPC_ABI_ELFv2; } isPPC64()54 bool isPPC64() const { 55 const Triple &TT = getTargetTriple(); 56 return (TT.getArch() == Triple::ppc64 || TT.getArch() == Triple::ppc64le); 57 }; 58 }; 59 60 /// PPC32TargetMachine - PowerPC 32-bit target machine. 61 /// 62 class PPC32TargetMachine : public PPCTargetMachine { 63 virtual void anchor(); 64 public: 65 PPC32TargetMachine(const Target &T, const Triple &TT, StringRef CPU, 66 StringRef FS, const TargetOptions &Options, 67 Reloc::Model RM, CodeModel::Model CM, 68 CodeGenOpt::Level OL); 69 }; 70 71 /// PPC64TargetMachine - PowerPC 64-bit target machine. 72 /// 73 class PPC64TargetMachine : public PPCTargetMachine { 74 virtual void anchor(); 75 public: 76 PPC64TargetMachine(const Target &T, const Triple &TT, StringRef CPU, 77 StringRef FS, const TargetOptions &Options, 78 Reloc::Model RM, CodeModel::Model CM, 79 CodeGenOpt::Level OL); 80 }; 81 82 } // end namespace llvm 83 84 #endif 85