1 //===-- PPCTargetMachine.h - Define TargetMachine for PowerPC ---*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file declares the PowerPC specific subclass of TargetMachine. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_LIB_TARGET_POWERPC_PPCTARGETMACHINE_H 14 #define LLVM_LIB_TARGET_POWERPC_PPCTARGETMACHINE_H 15 16 #include "PPCInstrInfo.h" 17 #include "PPCSubtarget.h" 18 #include "llvm/IR/DataLayout.h" 19 #include "llvm/Target/TargetMachine.h" 20 21 namespace llvm { 22 23 /// Common code between 32-bit and 64-bit PowerPC targets. 24 /// 25 class PPCTargetMachine final : public LLVMTargetMachine { 26 public: 27 enum PPCABI { PPC_ABI_UNKNOWN, PPC_ABI_ELFv1, PPC_ABI_ELFv2 }; 28 private: 29 std::unique_ptr<TargetLoweringObjectFile> TLOF; 30 PPCABI TargetABI; 31 32 mutable StringMap<std::unique_ptr<PPCSubtarget>> SubtargetMap; 33 34 public: 35 PPCTargetMachine(const Target &T, const Triple &TT, StringRef CPU, 36 StringRef FS, const TargetOptions &Options, 37 Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM, 38 CodeGenOpt::Level OL, bool JIT); 39 40 ~PPCTargetMachine() override; 41 42 const PPCSubtarget *getSubtargetImpl(const Function &F) const override; 43 // DO NOT IMPLEMENT: There is no such thing as a valid default subtarget, 44 // subtargets are per-function entities based on the target-specific 45 // attributes of each function. 46 const PPCSubtarget *getSubtargetImpl() const = delete; 47 48 // Pass Pipeline Configuration 49 TargetPassConfig *createPassConfig(PassManagerBase &PM) override; 50 51 TargetTransformInfo getTargetTransformInfo(const Function &F) override; 52 getObjFileLowering()53 TargetLoweringObjectFile *getObjFileLowering() const override { 54 return TLOF.get(); 55 } isELFv2ABI()56 bool isELFv2ABI() const { return TargetABI == PPC_ABI_ELFv2; } isPPC64()57 bool isPPC64() const { 58 const Triple &TT = getTargetTriple(); 59 return (TT.getArch() == Triple::ppc64 || TT.getArch() == Triple::ppc64le); 60 }; 61 }; 62 } // end namespace llvm 63 64 #endif 65