Integrate LLVM at llvm/llvm-project@4bb60c285cb3
Integrate LLVM at llvm/llvm-project@4bb60c285cb3

Updates LLVM usage to match
[4bb60c285cb3](https://github.com/llvm/llvm-project/commit/4bb60c285cb3)

PiperOrigin-RevId: 369750761

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