[PATCH] D155406: (WIP) [MemCpyOpt] implement multi BB stack-move optimization

[Kohei Asano via Phabricator via llvm-commits]

khei4 updated this revision to Diff 540870.
khei4 added a comment.
Herald added a subscriber: hiraditya.

add

- Dom/PDomTree branches and rebased for instruction level nearst common pdom calculation https://reviews.llvm.org/D155420
- insertion for lifetime.end/start for above dom/pdom cases
- use `isPotentiallyReachable ` for reachable query.

TODO: seems like conditions and/or implementation isn't sufficient to reduce loop example.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D155406/new/

https://reviews.llvm.org/D155406

Files:
  llvm/include/llvm/Transforms/Scalar/MemCpyOptimizer.h
  llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
  llvm/test/Transforms/MemCpyOpt/stack-move.ll

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