Integrate LLVM at llvm/llvm-project@511cfe944195
Integrate LLVM at llvm/llvm-project@511cfe944195

Updates LLVM usage to match
[511cfe944195](https://github.com/llvm/llvm-project/commit/511cfe944195)

PiperOrigin-RevId: 348482094

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