Integrate LLVM at llvm/llvm-project@669eb6004670
Integrate LLVM at llvm/llvm-project@669eb6004670

Updates LLVM usage to match
[669eb6004670](https://github.com/llvm/llvm-project/commit/669eb6004670)

PiperOrigin-RevId: 420398089

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