Integrate LLVM at llvm/llvm-project@25c02b32a46c
Integrate LLVM at llvm/llvm-project@25c02b32a46c

Updates LLVM usage to match
[25c02b32a46c](https://github.com/llvm/llvm-project/commit/25c02b32a46c)

PiperOrigin-RevId: 386453664

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