diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Target/Mips/MipsTargetMachine.h')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/Target/Mips/MipsTargetMachine.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/Mips/MipsTargetMachine.h b/contrib/llvm-project/llvm/lib/Target/Mips/MipsTargetMachine.h new file mode 100644 index 000000000000..25300504a02d --- /dev/null +++ b/contrib/llvm-project/llvm/lib/Target/Mips/MipsTargetMachine.h @@ -0,0 +1,96 @@ +//===- 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; + const 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; } +}; + +/// 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 |
