| //===- MipsTargetMachine.h - Define TargetMachine for Mips ------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file declares the Mips specific subclass of TargetMachine. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_MIPS_MIPSTARGETMACHINE_H |
| #define LLVM_LIB_TARGET_MIPS_MIPSTARGETMACHINE_H |
| |
| #include "MCTargetDesc/MipsABIInfo.h" |
| #include "MipsSubtarget.h" |
| #include "llvm/ADT/Optional.h" |
| #include "llvm/ADT/StringMap.h" |
| #include "llvm/ADT/StringRef.h" |
| #include "llvm/Support/CodeGen.h" |
| #include "llvm/Target/TargetMachine.h" |
| #include <memory> |
| |
| namespace llvm { |
| |
| class MipsTargetMachine : public LLVMTargetMachine { |
| bool isLittle; |
| std::unique_ptr<TargetLoweringObjectFile> TLOF; |
| // Selected ABI |
| MipsABIInfo ABI; |
| MipsSubtarget *Subtarget; |
| MipsSubtarget DefaultSubtarget; |
| MipsSubtarget NoMips16Subtarget; |
| MipsSubtarget Mips16Subtarget; |
| |
| mutable StringMap<std::unique_ptr<MipsSubtarget>> SubtargetMap; |
| |
| public: |
| MipsTargetMachine(const Target &T, const Triple &TT, StringRef CPU, |
| StringRef FS, const TargetOptions &Options, |
| Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM, |
| CodeGenOpt::Level OL, bool JIT, bool isLittle); |
| ~MipsTargetMachine() override; |
| |
| TargetTransformInfo getTargetTransformInfo(const Function &F) override; |
| |
| const MipsSubtarget *getSubtargetImpl() const { |
| if (Subtarget) |
| return Subtarget; |
| return &DefaultSubtarget; |
| } |
| |
| const MipsSubtarget *getSubtargetImpl(const Function &F) const override; |
| |
| /// Reset the subtarget for the Mips target. |
| void resetSubtarget(MachineFunction *MF); |
| |
| // Pass Pipeline Configuration |
| TargetPassConfig *createPassConfig(PassManagerBase &PM) override; |
| |
| TargetLoweringObjectFile *getObjFileLowering() const override { |
| return TLOF.get(); |
| } |
| |
| bool isLittleEndian() const { return isLittle; } |
| const MipsABIInfo &getABI() const { return ABI; } |
| |
| bool isMachineVerifierClean() const override { |
| return false; |
| } |
| }; |
| |
| /// Mips32/64 big endian target machine. |
| /// |
| class MipsebTargetMachine : public MipsTargetMachine { |
| virtual void anchor(); |
| |
| public: |
| MipsebTargetMachine(const Target &T, const Triple &TT, StringRef CPU, |
| StringRef FS, const TargetOptions &Options, |
| Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM, |
| CodeGenOpt::Level OL, bool JIT); |
| }; |
| |
| /// Mips32/64 little endian target machine. |
| /// |
| class MipselTargetMachine : public MipsTargetMachine { |
| virtual void anchor(); |
| |
| public: |
| MipselTargetMachine(const Target &T, const Triple &TT, StringRef CPU, |
| StringRef FS, const TargetOptions &Options, |
| Optional<Reloc::Model> RM, Optional<CodeModel::Model> CM, |
| CodeGenOpt::Level OL, bool JIT); |
| }; |
| |
| } // end namespace llvm |
| |
| #endif // LLVM_LIB_TARGET_MIPS_MIPSTARGETMACHINE_H |