[llvm-branch-commits] [RISCV] Combine vwaddu_wv+vabd(u) to vwabda(u) (PR #184603)

[Mikhail Gudim via llvm-branch-commits]

mgudim wrote:

> Actually I don't understand why we want to do it in the LLVM IR level. We don't have representations of absolute difference in the LLVM IR level (we don't have something like llvm.abds/llvm.abdu intrinsics).

I do not insist on doing this in IR.

https://github.com/llvm/llvm-project/pull/184603