Integrate LLVM at llvm/llvm-project@77d81c2270c6
Integrate LLVM at llvm/llvm-project@77d81c2270c6

Updates LLVM usage to match
[77d81c2270c6](https://github.com/llvm/llvm-project/commit/77d81c2270c6)

PiperOrigin-RevId: 365870238

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