Integrate LLVM at llvm/llvm-project@87387c403b47
Integrate LLVM at llvm/llvm-project@87387c403b47

Updates LLVM usage to match
[87387c403b47](https://github.com/llvm/llvm-project/commit/87387c403b47)

PiperOrigin-RevId: 425647861

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