[llvm] [AArch64] Optimized generated assembly for bool to svbool_t conversions (PR #83001)

[via llvm-commits]

Lukacma wrote:

I cleaned it up in this patch and added capability to see through bitcasts. Not sure if that is necessary for all cases, but it might happen in certain situations. 

https://github.com/llvm/llvm-project/pull/83001