Integrate LLVM at llvm/llvm-project@41d7909368be
Integrate LLVM at llvm/llvm-project@41d7909368be

Updates LLVM usage to match
[41d7909368be](https://github.com/llvm/llvm-project/commit/41d7909368be)

PiperOrigin-RevId: 376785495

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