[llvm] AMDGPU: Add more tests for v_dot2_f32_f16/bf16 (PR #179223)

[Petar Avramovic via llvm-commits]

petar-avramovic wrote:

* **#179226** <a href="https://app.graphite.com/github/pr/llvm/llvm-project/179226?utm_source=stack-comment-icon" target="_blank"><img src="https://static.graphite.dev/graphite-32x32-black.png" alt="Graphite" width="10px" height="10px"/></a>
* **#179225** <a href="https://app.graphite.com/github/pr/llvm/llvm-project/179225?utm_source=stack-comment-icon" target="_blank"><img src="https://static.graphite.dev/graphite-32x32-black.png" alt="Graphite" width="10px" height="10px"/></a>
* **#179224** <a href="https://app.graphite.com/github/pr/llvm/llvm-project/179224?utm_source=stack-comment-icon" target="_blank"><img src="https://static.graphite.dev/graphite-32x32-black.png" alt="Graphite" width="10px" height="10px"/></a>
* **#179223** <a href="https://app.graphite.com/github/pr/llvm/llvm-project/179223?utm_source=stack-comment-icon" target="_blank"><img src="https://static.graphite.dev/graphite-32x32-black.png" alt="Graphite" width="10px" height="10px"/></a> 👈 <a href="https://app.graphite.com/github/pr/llvm/llvm-project/179223?utm_source=stack-comment-view-in-graphite" target="_blank">(View in Graphite)</a>
* `main`


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https://github.com/llvm/llvm-project/pull/179223