Integrate LLVM at llvm/llvm-project@f96ab6cc1b20
Integrate LLVM at llvm/llvm-project@f96ab6cc1b20

Updates LLVM usage to match
[f96ab6cc1b20](https://github.com/llvm/llvm-project/commit/f96ab6cc1b20)

PiperOrigin-RevId: 420384797

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