Integrate LLVM at llvm/llvm-project@5dcd6afa2088
Integrate LLVM at llvm/llvm-project@5dcd6afa2088

Updates LLVM usage to match
[5dcd6afa2088](https://github.com/llvm/llvm-project/commit/5dcd6afa2088)

PiperOrigin-RevId: 476920056

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