[llvm] [LoopInterchange] Remove 'S' Scalar Dependencies (PR #119345)

[Ryotaro Kasuga via llvm-commits]

https://github.com/kasuga-fj commented:

> Thanks, and I also had a bit of a nagging feeling about the test cases. I quite like the idea about the XFAILs. I think what I will do is the following:
>
> - I will first convert the test cases that were modified and check the full IR to tests that check the optimisation remark in a separate patch. Checking the the optimisation remark is more compact, less verbose and easier to see.
>- I will then see if adding XFAILS here is better, I think so.

Cool! I second this idea.

https://github.com/llvm/llvm-project/pull/119345