Integrate LLVM at llvm/llvm-project@d4c61314420c
Integrate LLVM at llvm/llvm-project@d4c61314420c

Updates LLVM usage to match
[d4c61314420c](https://github.com/llvm/llvm-project/commit/d4c61314420c)

PiperOrigin-RevId: 485571772

google/tsl,google/tsl,google/tsl