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 /// Common code between 32-bit and 64-bit PowerPC targets. 25 /// 26 class PPCTargetMachine final : 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 33 mutable StringMap<std::unique_ptr<PPCSubtarget>> SubtargetMap; 34 35 public: 36 PPCTargetMachine(const Target &T, const Triple &TT, StringRef CPU, 37 StringRef FS, const TargetOptions &Options, 38 Optional<Reloc::Model> RM, CodeModel::Model CM, 39 CodeGenOpt::Level OL); 40 41 ~PPCTargetMachine() override; 42 43 const PPCSubtarget *getSubtargetImpl(const Function &F) const override; 44 // The no argument getSubtargetImpl, while it exists on some targets, is 45 // deprecated and should not be used. 46 const PPCSubtarget *getSubtargetImpl() const = delete; 47 48 // Pass Pipeline Configuration 49 TargetPassConfig *createPassConfig(PassManagerBase &PM) override; 50 51 TargetIRAnalysis getTargetIRAnalysis() override; 52 53 TargetLoweringObjectFile *getObjFileLowering() const override { 54 return TLOF.get(); 55 } 56 bool isELFv2ABI() const { return TargetABI == PPC_ABI_ELFv2; } 57 bool isPPC64() const { 58 const Triple &TT = getTargetTriple(); 59 return (TT.getArch() == Triple::ppc64 || TT.getArch() == Triple::ppc64le); 60 }; 61 62 bool isMachineVerifierClean() const override { 63 return false; 64 } 65 }; 66 } // end namespace llvm 67 68 #endif 69