[llvm] [RISCV] Handle scalable ops with < EEW / 2 narrow types in combineBinOp_VLToVWBinOp_VL (PR #84158)

[Philip Reames via llvm-commits]

https://github.com/preames approved this pull request.

LGTM

To be particularly clear since this patch has evolved quite a bit - my LGTM applies specifically to the version of code currently on review.  Any change beyond a simple rebase invalidates this LGTM and you should explicitly ask for new review.  

https://github.com/llvm/llvm-project/pull/84158