Integrate LLVM at llvm/llvm-project@a83e9266b96c
Integrate LLVM at llvm/llvm-project@a83e9266b96c

Updates LLVM usage to match
[a83e9266b96c](https://github.com/llvm/llvm-project/commit/a83e9266b96c)

PiperOrigin-RevId: 424064089

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