[llvm] [AArch64][SVE] Fold integer lane extract and store to FPR store (PR #129756)

[Paul Walker via llvm-commits]

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

I feel like I've said this before but why is this not just a DAG combine? Some of the results look preferable regardless of streaming requirements.

https://github.com/llvm/llvm-project/pull/129756