[PATCH] D94780: [ARM][Block placement] Check the predecessor exists before processing it

[Dave Green via Phabricator via llvm-commits]

dmgreen accepted this revision.
dmgreen added a comment.
This revision is now accepted and ready to land.

Thanks. LGTM


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D94780/new/

https://reviews.llvm.org/D94780