[llvm] [InstCombine][DebugInfo] Update debug value uses in `freelyInvertAllUsersOf` (PR #137013)

[Orlando Cazalet-Hyams via llvm-commits]

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

> Yes, it is still correct with this patch. In this case, InstCombine calls freelyInvertAllUsersOf(%cmp). But %cmp is not used by any #dbg_value.

Oh right, yep that makes sense. Thanks for checking.

LGTM

https://github.com/llvm/llvm-project/pull/137013