[llvm] [LV][AArch64] LoopVectorizer allows scalable frem instructions (PR #76247)

[Florian Hahn via llvm-commits]

fhahn wrote:

We are already checking if a library function exists, wouldn't it be more accurate to replace to widen recipe with a WidenCall recipe with the function?

https://github.com/llvm/llvm-project/pull/76247