[llvm] [AArch64] Add @llvm.experimental.vector.match (PR #101974)

[Paul Walker via llvm-commits]

https://github.com/paulwalker-arm commented:

To help things along I've reviewed the PR based on the assumption this intrinsic will be the way to go.  In general it looks pretty nice but I do think you'll want to tighten the intrinsic definition a little more.

https://github.com/llvm/llvm-project/pull/101974