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Summary: This class maintains the same logic as the original RetireControlUnit. This is just an intermediate patch to make the RCU a Stage. Future patches will remove the dependency on the DispatchStage, and then more properly populate the pre/execute/post Stage interface. Reviewers: andreadb, RKSimon, courbet Reviewed By: andreadb, courbet Subscribers: javed.absar, mgorny, tschuett, gbedwell, llvm-commits Differential Revision: https://reviews.llvm.org/D47244 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@333292 91177308-0d34-0410-b5e6-96231b3b80d8
49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
//===---------------------- RetireStage.h -----------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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/// \file
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///
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/// This file defines the retire stage of an instruction pipeline.
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/// The RetireStage represents the process logic that interacts with the
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/// simulated RetireControlUnit hardware.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVM_MCA_RETIRE_STAGE_H
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#define LLVM_TOOLS_LLVM_MCA_RETIRE_STAGE_H
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#include "RegisterFile.h"
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#include "RetireControlUnit.h"
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#include "Stage.h"
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namespace mca {
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class Backend;
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class RetireStage : public Stage {
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// Owner will go away when we move listeners/eventing to the stages.
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Backend *Owner;
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RetireControlUnit &RCU;
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RegisterFile &PRF;
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public:
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RetireStage(Backend *B, RetireControlUnit &R, RegisterFile &F)
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: Stage(), Owner(B), RCU(R), PRF(F) {}
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RetireStage(const RetireStage &Other) = delete;
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RetireStage &operator=(const RetireStage &Other) = delete;
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virtual void preExecute(const InstRef &IR) override final;
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virtual bool execute(InstRef &IR) override final { return true; }
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void notifyInstructionRetired(const InstRef &IR);
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void onInstructionExecuted(unsigned TokenID);
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};
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} // namespace mca
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#endif // LLVM_TOOLS_LLVM_MCA_RETIRE_STAGE_H
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