[llvm-branch-commits] [llvm] AMDGPU: Handle minimumnum/maximumnum in fneg combines (PR #139133)

[Matt Arsenault via llvm-branch-commits]

arsenm wrote:

### Merge activity

* **May 9, 2:00 AM EDT**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/139133).


https://github.com/llvm/llvm-project/pull/139133