Integrate LLVM at llvm/llvm-project@43de305704a5
Integrate LLVM at llvm/llvm-project@43de305704a5

Updates LLVM usage to match
[43de305704a5](https://github.com/llvm/llvm-project/commit/43de305704a5)

PiperOrigin-RevId: 425907899

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