Integrate LLVM at llvm/llvm-project@2bf8be79b10c
Integrate LLVM at llvm/llvm-project@2bf8be79b10c

Updates LLVM usage to match
[2bf8be79b10c](https://github.com/llvm/llvm-project/commit/2bf8be79b10c)

PiperOrigin-RevId: 395395052

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