[llvm] [LV] Optimize VPWidenIntOrFpInductionRecipe for known TC (PR #118828)

[Florian Hahn via llvm-commits]

https://github.com/fhahn commented:

The pattern match looks fine to me. Spotted a few more remaining small things after another pass.

LGTM with those addressed if possible

https://github.com/llvm/llvm-project/pull/118828