[PATCH] D140697: [MemCpyOpt] Merge succeeding undefs while attempting a `memset`

[Jamie Hill-Daniel via Phabricator via llvm-commits]

clubby789 updated this revision to Diff 485421.
clubby789 added a comment.

Update test format and add profitability heuristic


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D140697/new/

https://reviews.llvm.org/D140697

Files:
  llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
  llvm/test/Transforms/MemCpyOpt/merge-undef-memset.ll

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