[llvm] [LLVM] Clang format cleanups. (PR #82184)

[Felipe de Azevedo Piovezan via llvm-commits]

felipepiovezan wrote:

> whether or not the code that violates the clang format is code that you've actually modified. 

I believe this used to happen early on, but this should not be the case anymore. I'd propose we give it a try again and document when clang-format fails so that we can prove or disprove this claim.

https://github.com/llvm/llvm-project/pull/82184