[llvm-branch-commits] [llvm] AMDGPU: Optimize mfma_scale intrinsics with 0 inputs (PR #116724)

[Matt Arsenault via llvm-branch-commits]

arsenm wrote:

### Merge activity

* **Nov 21, 11:47 AM EST**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/116724).


https://github.com/llvm/llvm-project/pull/116724