Integrate LLVM at llvm/llvm-project@7d53fecb6792
Integrate LLVM at llvm/llvm-project@7d53fecb6792

Updates LLVM usage to match
[7d53fecb6792](https://github.com/llvm/llvm-project/commit/7d53fecb6792)

PiperOrigin-RevId: 330418199

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