[llvm] [LV][EVL] Support reduction idioms using tail folding with EVL. (PR #90184)

[Florian Hahn via llvm-commits]

fhahn wrote:


> Sounds good to me, but it would be good to have some upstream buildbot that builds some code with the various options to have some runtime testing.


any more thoughts about runtime testing and why the current runtime testing didn't uncover the issues mentioned?

https://github.com/llvm/llvm-project/pull/90184