[PATCH] D153453: (WIP)[MemCpyOpt] implement inter-BB stack-move optimization which unify the lifetime overlapped fully copied allocas, the src is never modified or referenced

[Kohei Asano via Phabricator via llvm-commits]

khei4 updated this revision to Diff 534614.
khei4 added a comment.

rebase and fix wrong diff


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D153453/new/

https://reviews.llvm.org/D153453

Files:
  llvm/include/llvm/Transforms/Scalar/MemCpyOptimizer.h
  llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
  llvm/test/Analysis/ScopedNoAliasAA/alias-scope-merging.ll
  llvm/test/Transforms/MemCpyOpt/callslot.ll
  llvm/test/Transforms/MemCpyOpt/callslot_badaa.ll
  llvm/test/Transforms/MemCpyOpt/memcpy.ll
  llvm/test/Transforms/MemCpyOpt/stack-move.ll
  llvm/test/Transforms/MemCpyOpt/stackrestore.ll

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