[PATCH] D76235: [ARM][LowOverheadLoops] Add checks for narrowing

[Sam Parker via Phabricator via llvm-commits]

samparker updated this revision to Diff 252044.
samparker added a comment.

- Added/moved some comments.
- Renamed variables/functions.
- Added/removed tests.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D76235/new/

https://reviews.llvm.org/D76235

Files:
  llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/ctlz-non-zeros.mir
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/safe-retaining.mir
  llvm/test/CodeGen/Thumb2/LowOverheadLoops/unsafe-retaining.mir

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