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d16c1af4bc
Summary: The logic of dispatch remains the same, but now DispatchUnit is a Stage (DispatchStage). This change has the benefit of simplifying the backend runCycle() code. The same logic applies, but it belongs to different components now. This is just a start, eventually we will need to remove the call to the DispatchStage in Scheduler.cpp, but that will be a separate patch. This change is mostly a renaming and moving of existing logic. This change also encouraged me to remove the Subtarget (STI) member from the Backend class. That member was used to initialize the other members of Backend and to eventually call DispatchUnit::dispatch(). Now that we have Stages, we can eliminate this by instantiating the DispatchStage with everything it needs at the time of construction (e.g., Subtarget). That change allows us to call DispatchStage::execute(IR) as we expect to call execute() for all other stages. Once we add the Stage list (D46907) we can more cleanly call preExecute() on all of the stages, DispatchStage, will probably wrap cycleEvent() in that case. Made some formatting and minor cleanups to README.txt. Some of the text was re-flowed to stay within 80 cols. Reviewers: andreadb, courbet, RKSimon Reviewed By: andreadb, courbet Subscribers: mgorny, javed.absar, tschuett, gbedwell, llvm-commits Differential Revision: https://reviews.llvm.org/D46983 llvm-svn: 332652
39 lines
692 B
CMake
39 lines
692 B
CMake
set(LLVM_LINK_COMPONENTS
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AllTargetsAsmPrinters
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AllTargetsAsmParsers
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AllTargetsDescs
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AllTargetsDisassemblers
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AllTargetsInfos
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MC
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MCParser
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Support
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)
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add_llvm_tool(llvm-mca
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Backend.cpp
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BackendPrinter.cpp
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CodeRegion.cpp
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DispatchStage.cpp
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DispatchStatistics.cpp
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FetchStage.cpp
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HWEventListener.cpp
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InstrBuilder.cpp
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Instruction.cpp
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InstructionInfoView.cpp
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InstructionTables.cpp
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LSUnit.cpp
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llvm-mca.cpp
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RegisterFile.cpp
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RegisterFileStatistics.cpp
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ResourcePressureView.cpp
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RetireControlUnit.cpp
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RetireControlUnitStatistics.cpp
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Scheduler.cpp
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SchedulerStatistics.cpp
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Stage.cpp
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Support.cpp
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SummaryView.cpp
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TimelineView.cpp
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View.cpp
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)
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