[llvm] [LV][EVL] Emit vp.merge intrinsic to enable out-loop reduction in EVL vectorization. (PR #101641)

[Florian Hahn via llvm-commits]

https://github.com/fhahn commented:

Thanks for the latest updates. Would be good for someone more familiar with EVL intrinsics to also take a look.

https://github.com/llvm/llvm-project/pull/101641