[llvm] [LV][EVL] Generate negative strided load/store for reversed load/store (PR #123608)

Luke Lau via llvm-commits llvm-commits at lists.llvm.org
Mon Jan 20 08:51:49 PST 2025


lukel97 wrote:

> > And we don't seem to currently check if it's supported anyway?
> 
> Yes, because we never emit strided ops in LV for now. To emit it, need to correctly implement legality checks and cost model

I meant as in we don't check if llvm.experimental.vp.reverse is supported, and it doesn't look like there's a default expansion for it

https://github.com/llvm/llvm-project/pull/123608


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