[llvm] [ARM] Add NEON support for ISD::ABDS/ABDU nodes. (PR #94504)

[David Green via llvm-commits]

davemgreen wrote:

Yeah it sounds OK to me. I think I would expect the intrinsics to be converted to ISD::ABD nodes, as we do for AArch64.

https://github.com/llvm/llvm-project/pull/94504