Integrate LLVM at llvm/llvm-project@e7fb1c15cb85
Integrate LLVM at llvm/llvm-project@e7fb1c15cb85

Updates LLVM usage to match
[e7fb1c15cb85](https://github.com/llvm/llvm-project/commit/e7fb1c15cb85)

PiperOrigin-RevId: 430976543

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