Integrate LLVM at llvm/llvm-project@11d144c57642
Integrate LLVM at llvm/llvm-project@11d144c57642

Updates LLVM usage to match
[11d144c57642](https://github.com/llvm/llvm-project/commit/11d144c57642)

PiperOrigin-RevId: 431457263

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