Integrate LLVM at llvm/llvm-project@0fe7531b75e5
Integrate LLVM at llvm/llvm-project@0fe7531b75e5

Updates LLVM usage to match
[0fe7531b75e5](https://github.com/llvm/llvm-project/commit/0fe7531b75e5)

PiperOrigin-RevId: 386189902

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