[llvm] [RemoveDIs][NFC] Find DPValues using findDbgDeclares (PR #73500)

[Jeremy Morse via llvm-commits]

https://github.com/jmorse commented:

Commented on 2nd commit; I think we need a change to avoid a bit of technically undefined behaviour here. It's unlikely that anything's going to optimise around it, but we should avoid relying on it in the compiler itself.

Otherwise this all looks good.

https://github.com/llvm/llvm-project/pull/73500