[llvm] [LAA] Switch safe-distance APIs to operate in elements instead of bits (PR #191867)

[Ramkumar Ramachandra via llvm-commits]

https://github.com/artagnon commented:

This makes sense to me, and I wanted to do this myself. Probably good to add the NFC tag to the title, as only debug messages are changed?

https://github.com/llvm/llvm-project/pull/191867