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a0e5e0f4 - Integrate LLVM at llvm/llvm-project@c012e487b724

Integrate LLVM at llvm/llvm-project@c012e487b724 Updates LLVM usage to match [c012e487b724](https://github.com/llvm/llvm-project/commit/c012e487b724) PiperOrigin-RevId: 642581785