[llvm] AMDGPU: Mark grid size loads with range metadata (PR #113019)

[Matt Arsenault via llvm-commits]

arsenm wrote:

### Merge activity

* **Dec 9, 10:58 AM EST**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/113019).


https://github.com/llvm/llvm-project/pull/113019