| //===---------------------- RetireStage.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 retire stage of an instruction pipeline. |
| /// The RetireStage represents the process logic that interacts with the |
| /// simulated RetireControlUnit hardware. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_TOOLS_LLVM_MCA_RETIRE_STAGE_H |
| #define LLVM_TOOLS_LLVM_MCA_RETIRE_STAGE_H |
| |
| #include "RegisterFile.h" |
| #include "RetireControlUnit.h" |
| #include "Stage.h" |
| |
| namespace mca { |
| |
| class RetireStage : public Stage { |
| // Owner will go away when we move listeners/eventing to the stages. |
| RetireControlUnit &RCU; |
| RegisterFile &PRF; |
| |
| public: |
| RetireStage(RetireControlUnit &R, RegisterFile &F) |
| : Stage(), RCU(R), PRF(F) {} |
| RetireStage(const RetireStage &Other) = delete; |
| RetireStage &operator=(const RetireStage &Other) = delete; |
| |
| virtual bool hasWorkToComplete() const override final { |
| return !RCU.isEmpty(); |
| } |
| virtual void cycleStart() override final; |
| virtual bool execute(InstRef &IR) override final { return true; } |
| void notifyInstructionRetired(const InstRef &IR); |
| void onInstructionExecuted(unsigned TokenID); |
| }; |
| |
| } // namespace mca |
| |
| #endif // LLVM_TOOLS_LLVM_MCA_RETIRE_STAGE_H |
