[llvm] [LoopCacheAnalysis] Replace delinearization for fixed size array (PR #164798)

[Sjoerd Meijer via llvm-commits]

https://github.com/sjoerdmeijer approved this pull request.

Ok, thanks, LGTM.

Maybe give @Meinersbur one more chance to look at this before merging it.

https://github.com/llvm/llvm-project/pull/164798