[llvm] [LV] Support strided load with a stride of -1 (PR #128718)

[Mel Chen via llvm-commits]

Mel-Chen wrote:

> Do you know if/how this is related/interacts with #130032?

Honestly, I don't quite understand how consecutive load/store can directly replace reverse accesses. As you mentioned, #130032 lacks description.

https://github.com/llvm/llvm-project/pull/128718