[llvm-branch-commits] [llvm] [AMDGPU] Add the code generation support for `llvm.[sin/cos].bf16` (PR #149631)

[Shilei Tian via llvm-branch-commits]

shiltian wrote:

### Merge activity

* **Jul 21, 2:51 PM UTC**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/149631).


https://github.com/llvm/llvm-project/pull/149631