[llvm] [AArch64][InstCombine] Combine AES instructions with zero operands. (PR #142781)

[Ricardo Jesus via llvm-commits]

rj-jesus wrote:

> The SVE instructions might also benefit from being marked as commutative.

Thanks, I meant to do this yesterday but then time ran short; I'll do so just now. :)

https://github.com/llvm/llvm-project/pull/142781