[llvm] [polly] IR: Remove uselist for constantdata (PR #137313)

[Matt Arsenault via llvm-commits]

arsenm wrote:

### Merge activity

* **May 6, 11:13 AM EDT**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/137313).


https://github.com/llvm/llvm-project/pull/137313