[llvm] [LV][AArch64] Prefer Fixed over Scalable if cost-model is equal (Neoverse V2) (PR #95819)

[Sjoerd Meijer via llvm-commits]

sjoerdmeijer wrote:

@paulwalker-arm , @david-arm : I think a very fair question is why we should be generating SVE code for this type of kernels? Can you explain the benefit?

https://github.com/llvm/llvm-project/pull/95819