Integrate LLVM at llvm/llvm-project@10b3675aa950
Integrate LLVM at llvm/llvm-project@10b3675aa950

Updates LLVM usage to match
[10b3675aa950](https://github.com/llvm/llvm-project/commit/10b3675aa950)

PiperOrigin-RevId: 418071135

google-research/structured-additive-IR,google-research/structured-additive-IR