[llvm-branch-commits] [llvm] AMDGPU: Expand flat atomics that may access private memory (PR #109407)

[Matt Arsenault via llvm-branch-commits]

arsenm wrote:

> [!WARNING]
> <b>This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack <a href="https://app.graphite.dev/github/pr/llvm/llvm-project/109407?utm_source=stack-comment-downstack-mergeability-warning" >on Graphite</a>.</b>
> <a href="https://graphite.dev/docs/merge-pull-requests">Learn more</a>

* **#109408** <a href="https://app.graphite.dev/github/pr/llvm/llvm-project/109408?utm_source=stack-comment-icon" target="_blank"><img src="https://static.graphite.dev/graphite-32x32-black.png" alt="Graphite" width="10px" height="10px"/></a>
* **#109407** <a href="https://app.graphite.dev/github/pr/llvm/llvm-project/109407?utm_source=stack-comment-icon" target="_blank"><img src="https://static.graphite.dev/graphite-32x32-black.png" alt="Graphite" width="10px" height="10px"/></a> 👈
* **#109406** <a href="https://app.graphite.dev/github/pr/llvm/llvm-project/109406?utm_source=stack-comment-icon" target="_blank"><img src="https://static.graphite.dev/graphite-32x32-black.png" alt="Graphite" width="10px" height="10px"/></a>
* **#102599** <a href="https://app.graphite.dev/github/pr/llvm/llvm-project/102599?utm_source=stack-comment-icon" target="_blank"><img src="https://static.graphite.dev/graphite-32x32-black.png" alt="Graphite" width="10px" height="10px"/></a>
* **#102461** <a href="https://app.graphite.dev/github/pr/llvm/llvm-project/102461?utm_source=stack-comment-icon" target="_blank"><img src="https://static.graphite.dev/graphite-32x32-black.png" alt="Graphite" width="10px" height="10px"/></a>: 2 other dependent PRs ([#102462](https://github.com/llvm/llvm-project/pull/102462) <a href="https://app.graphite.dev/github/pr/llvm/llvm-project/102462?utm_source=stack-comment-icon" target="_blank"><img src="https://static.graphite.dev/graphite-32x32-black.png" alt="Graphite" width="10px" height="10px"/></a>, [#103938](https://github.com/llvm/llvm-project/pull/103938) <a href="https://app.graphite.dev/github/pr/llvm/llvm-project/103938?utm_source=stack-comment-icon" target="_blank"><img src="https://static.graphite.dev/graphite-32x32-black.png" alt="Graphite" width="10px" height="10px"/></a>)
* `main`

This stack of pull requests is managed by Graphite. <a href="https://stacking.dev/?utm_source=stack-comment">Learn more about stacking.</a>
<h2></h2>

 Join @arsenm and the rest of your teammates on <a href="https://graphite.dev?utm-source=stack-comment"><img src="https://static.graphite.dev/graphite-32x32-black.png" alt="Graphite" width="11px" height="11px"/> <b>Graphite</b></a>
  <!-- Current dependencies on/for this PR: -->

https://github.com/llvm/llvm-project/pull/109407