[llvm] LAA: scale strides using type-size (NFC) (PR #124529)

[Ramkumar Ramachandra via llvm-commits]

artagnon wrote:

> Taking a step back, are there any planned follow-ups that make it easier to work with scaled strides?

Yes, I plan to iterate on the aggressive HasSameSize check, weakening it. A version of that patch was https://github.com/llvm/llvm-project/pull/122318, but I fear that it might be incorrect without scaling strides.

https://github.com/llvm/llvm-project/pull/124529