[PATCH] D46741: [llvm-mca] Introduce a pipeline Stage class and FetchStage.

[Matt Davis via Phabricator via llvm-commits]

mattd updated this revision to Diff 146876.
mattd added a comment.

- Removed eraseInstruction.  Since we place ownership of all instructions in FetchStage, we can scan the list at the end of each Fetch cycle (postExecute) and clean up retired instructions at that time (thanks Andrea for that suggestion).
- Added isRetired predicate to Instruction.h


https://reviews.llvm.org/D46741

Files:
  tools/llvm-mca/Backend.cpp
  tools/llvm-mca/Backend.h
  tools/llvm-mca/CMakeLists.txt
  tools/llvm-mca/Dispatch.cpp
  tools/llvm-mca/FetchStage.cpp
  tools/llvm-mca/FetchStage.h
  tools/llvm-mca/Instruction.h
  tools/llvm-mca/Stage.cpp
  tools/llvm-mca/Stage.h
  tools/llvm-mca/llvm-mca.cpp

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