| //===---------------------- FetchStage.h ------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| /// \file |
| /// |
| /// This file defines the Fetch stage of an instruction pipeline. Its sole |
| /// purpose in life is to produce instructions for the rest of the pipeline. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_TOOLS_LLVM_MCA_FETCH_STAGE_H |
| #define LLVM_TOOLS_LLVM_MCA_FETCH_STAGE_H |
| |
| #include "InstrBuilder.h" |
| #include "SourceMgr.h" |
| #include "Stage.h" |
| #include <map> |
| |
| namespace mca { |
| |
| class FetchStage : public Stage { |
| using InstMap = std::map<unsigned, std::unique_ptr<Instruction>>; |
| InstMap Instructions; |
| InstrBuilder &IB; |
| SourceMgr &SM; |
| |
| public: |
| FetchStage(InstrBuilder &IB, SourceMgr &SM) : IB(IB), SM(SM) {} |
| FetchStage(const FetchStage &Other) = delete; |
| FetchStage &operator=(const FetchStage &Other) = delete; |
| |
| bool hasWorkToComplete() const override final; |
| bool execute(InstRef &IR) override final; |
| void postExecute() override final; |
| void cycleEnd() override final; |
| }; |
| |
| } // namespace mca |
| |
| #endif // LLVM_TOOLS_LLVM_MCA_FETCH_STAGE_H |
