[llvm] [NFC] Mitigate pointless copies (PR #95052)

[Braden Helmer via llvm-commits]

bradenhelmer wrote:

> LGTM, pending pre-commit CI completing. I'd add `[NFC]` to the start of the PR title.
> 
> 
> 
> Do you need me to click the merge button?

Yeah, thanks

https://github.com/llvm/llvm-project/pull/95052