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

[Sam Tebbs via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG1a497ae9b836: [ARM][Block placement] Check the predecessor exists before processing it (authored by samtebbs).

Repository:
  rG LLVM Github Monorepo

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

https://reviews.llvm.org/D94780

Files:
  llvm/lib/Target/ARM/ARMBlockPlacement.cpp
  llvm/test/CodeGen/Thumb2/block-placement.mir

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