[llvm] [AArch64][GISel] Support neon.abs intrinsic for vector types (PR #107226)

[David Green via llvm-commits]

davemgreen wrote:

Oh - AArch64LegalizerInfo::legalizeIntrinsic() has some existing lowering for intrinsics like min/max. That is probably a good place for it.

https://github.com/llvm/llvm-project/pull/107226