[llvm] [DependenceAnalysis] Fix incorrect analysis of wrapping AddRec expressions (PR #154982)

[Ryotaro Kasuga via llvm-commits]

https://github.com/kasuga-fj requested changes to this pull request.

Why did you remove @nikic from the reviewers? Even setting that aside, this patch seems full of mistakes.

https://github.com/llvm/llvm-project/pull/154982