[llvm-branch-commits] [llvm] [LoopVectorize] Support vectorization of compressing patterns (PR #214491)

[Andrei Elovikov via llvm-branch-commits]

eas wrote:

> Do you have any specific examples that could be tested? I've not found anything that would be considered legal due to various restrictions on stores/loads.

Early exit from the update/store block and a store in the exit. If it fails some of the existing legality checks - that's fine, it's intended as a negative test, I'd imagine.

https://github.com/llvm/llvm-project/pull/214491