Integrate LLVM at llvm/llvm-project@20d5c42e0ef5
Integrate LLVM at llvm/llvm-project@20d5c42e0ef5

Updates LLVM usage to match
[20d5c42e0ef5](https://github.com/llvm/llvm-project/commit/20d5c42e0ef5)

PiperOrigin-RevId: 365666232

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