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 21namespace llvm { 22 23/// Common code between 32-bit and 64-bit PowerPC targets. 24/// 25class PPCTargetMachine final : public LLVMTargetMachine { 26public: 27 enum PPCABI { PPC_ABI_UNKNOWN, PPC_ABI_ELFv1, PPC_ABI_ELFv2 }; 28private: 29 std::unique_ptr<TargetLoweringObjectFile> TLOF; 30 PPCABI TargetABI; 31 32 mutable StringMap<std::unique_ptr<PPCSubtarget>> SubtargetMap; 33 34public: 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 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} // end namespace llvm 63 64#endif 65