[llvm] [LoopInterchange] Prevent interchange when memory-accessing calls exist (PR #200828)

[Ryotaro Kasuga via llvm-commits]

kasuga-fj wrote:

> I think this was missed. Are you planning to take this next? I think somewhere `mayHaveSideEffects()` should be covered because it will include `mayThrow()` like cases.

Yes, I'll address it in another PR. I'll share the concrete reproducer later.

https://github.com/llvm/llvm-project/pull/200828