[llvm] Clean up external users of GlobalValue::getGUID(StringRef) (PR #129644)

[Owen Rodley via llvm-commits]

orodley wrote:

### Merge activity

* **Apr 27, 9:07 PM EDT**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/129644).


https://github.com/llvm/llvm-project/pull/129644