[llvm] [AArch64][ABI] Pass v8f32 on the stack (PR #69729)

[KAWASHIMA Takahiro via llvm-commits]

kawashima-fj wrote:

@vfdff I fixed in #70034 (will be merged soon) not to create `v8f32` in the ArgumentPromotion pass. If `v8f32` is created in another place, #70034 does not fix anything.

https://github.com/llvm/llvm-project/pull/69729