Integrate LLVM at llvm/llvm-project@11a46b174923
Integrate LLVM at llvm/llvm-project@11a46b174923

Updates LLVM usage to match
[11a46b174923](https://github.com/llvm/llvm-project/commit/11a46b174923)

PiperOrigin-RevId: 419678954

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