[llvm] [llvm] Update tests to use struct path TBAA (PR #226051)

[Antonio Frighetto via llvm-commits]

https://github.com/antoniofrighetto approved this pull request.

Had been planning to do this some time soon, seems overall good to me, thanks! (Haven't deeply looked into all of them...)

https://github.com/llvm/llvm-project/pull/226051