[llvm] [DebugInfo] Clone dbg.values in SimplifyCFG like normal instructions (PR #72526)

[Orlando Cazalet-Hyams via llvm-commits]

https://github.com/OCHyams approved this pull request.

👍 LGTM pending compile time tracker results - as discussed, this is an improvement, even if the end result isn't perfect.

https://github.com/llvm/llvm-project/pull/72526