Integrate LLVM at llvm/llvm-project@c02aa1543845
Integrate LLVM at llvm/llvm-project@c02aa1543845

Updates LLVM usage to match
[c02aa1543845](https://github.com/llvm/llvm-project/commit/c02aa1543845)

PiperOrigin-RevId: 407678047

iree-org/iree-llvm-sandbox,iree-org/iree-llvm-sandbox,iree-org/iree-llvm-sandbox,iree-org/iree-llvm-sandbox