Integrate LLVM at llvm/llvm-project@db646de3ee01
Integrate LLVM at llvm/llvm-project@db646de3ee01

Updates LLVM usage to match
[db646de3ee01](https://github.com/llvm/llvm-project/commit/db646de3ee01)

PiperOrigin-RevId: 383246370

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