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1//===--- CSKYTargetMachine.h - Define TargetMachine for CSKY ----*- 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-exception6//7//===----------------------------------------------------------------------===//8//9// This file declares the CSKY specific subclass of TargetMachine.10//11//===----------------------------------------------------------------------===//12 13#ifndef LLVM_LIB_TARGET_CSKY_CSKYTARGETMACHINE_H14#define LLVM_LIB_TARGET_CSKY_CSKYTARGETMACHINE_H15 16#include "CSKYSubtarget.h"17#include "llvm/CodeGen/CodeGenTargetMachineImpl.h"18#include "llvm/IR/DataLayout.h"19#include <optional>20 21namespace llvm {22 23class CSKYTargetMachine : public CodeGenTargetMachineImpl {24 std::unique_ptr<TargetLoweringObjectFile> TLOF;25 mutable StringMap<std::unique_ptr<CSKYSubtarget>> SubtargetMap;26 27public:28 CSKYTargetMachine(const Target &T, const Triple &TT, StringRef CPU,29 StringRef FS, const TargetOptions &Options,30 std::optional<Reloc::Model> RM,31 std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,32 bool JIT);33 34 TargetPassConfig *createPassConfig(PassManagerBase &PM) override;35 36 const CSKYSubtarget *getSubtargetImpl(const Function &F) const override;37 // DO NOT IMPLEMENT: There is no such thing as a valid default subtarget,38 // subtargets are per-function entities based on the target-specific39 // attributes of each function.40 const CSKYSubtarget *getSubtargetImpl() const = delete;41 42 TargetLoweringObjectFile *getObjFileLowering() const override {43 return TLOF.get();44 }45 46 MachineFunctionInfo *47 createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F,48 const TargetSubtargetInfo *STI) const override;49};50} // namespace llvm51 52#endif53