Integrate LLVM at llvm/llvm-project@4d79ef814aed
Integrate LLVM at llvm/llvm-project@4d79ef814aed

Updates LLVM usage to match
[4d79ef814aed](https://github.com/llvm/llvm-project/commit/4d79ef814aed)

PiperOrigin-RevId: 341037948

iree-org/iree,google/iree,google/iree,google/iree,google/iree,iree-org/iree,iree-org/iree,google/iree,google/iree,iree-org/iree,iree-org/iree,iree-org/iree,google/iree,iree-org/iree