Merge google -> main (#7941)

* 5273f10be Merge pull request #7940 from GMNGeoffrey:main-to-google
* aca20d891 Integrate LLVM at llvm/llvm-project@7176799a7e19
* 5593996c0 Integrate LLVM at llvm/llvm-project@e07736fe3c78
* c361d7b54 Integrate LLVM at llvm/llvm-project@7056250f517a