Integrate LLVM at llvm/llvm-project@72ddd559b8aa
Integrate LLVM at llvm/llvm-project@72ddd559b8aa

Updates LLVM usage to match
[72ddd559b8aa](https://github.com/llvm/llvm-project/commit/72ddd559b8aa)

PiperOrigin-RevId: 340292055

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