[PATCH] D111219: [MachineCopyPropagation] Handle propagation of undef copies

Jay Foad via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Oct 6 03:53:38 PDT 2021

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foad added a comment.

What happens if you don't do this? Does it fail machine verification? I wonder why this bug hasn't come to light earlier?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D111219/new/

https://reviews.llvm.org/D111219

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