[llvm] [SCCP] Support constant structure in PhiNode (PR #163713)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

> This is really strange. Why changing some function name, comment, and remove the namespace qualifier breaks the unrelated CI🫠. Can I just ignore the CI fail?
> 
> Update: I can confirm that it works on my local machine.

You can rebase your branch to make the CI green :)

https://github.com/llvm/llvm-project/pull/163713