Integrate LLVM at llvm/llvm-project@bb43a0cd4adc
Integrate LLVM at llvm/llvm-project@bb43a0cd4adc

Updates LLVM usage to match
[bb43a0cd4adc](https://github.com/llvm/llvm-project/commit/bb43a0cd4adc)

PiperOrigin-RevId: 340963390

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