[llvm-branch-commits] [clang] [AMDGPU] Add builtins for wave reduction intrinsics (PR #150170)

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easyonaadit wrote:

### Merge activity

* **Sep 10, 10:47 AM UTC**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/150170).


https://github.com/llvm/llvm-project/pull/150170