Integrate LLVM at llvm/llvm-project@86bde99a9027
Integrate LLVM at llvm/llvm-project@86bde99a9027

Updates LLVM usage to match
[86bde99a9027](https://github.com/llvm/llvm-project/commit/86bde99a9027)

PiperOrigin-RevId: 428848352

tensorflow/runtime,tensorflow/runtime,tensorflow/runtime,tensorflow/runtime