[llvm] [AArch64] Consider streaming mode in TTI interfaces for vectorization. (PR #96305)

[Paul Walker via llvm-commits]

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

I don't think this patch makes anything worse so am happy to accept, but I'll wait for a response to my query before doing so.

https://github.com/llvm/llvm-project/pull/96305