Integrate LLVM at llvm/llvm-project@3e7350f3173b
Integrate LLVM at llvm/llvm-project@3e7350f3173b

Updates LLVM usage to match
[3e7350f3173b](https://github.com/llvm/llvm-project/commit/3e7350f3173b)

PiperOrigin-RevId: 472857384

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