[llvm] Late temporal divergence lowering for SDAG (PR #67033)

[Nicolai Hähnle via llvm-commits]

nhaehnle wrote:

> Now if there is a pass that can sink vgpr instruction outside of the cycle and instruction used sgpr Src defined inside the cycle we have a problem.

Right. It seems like a pass that does this is buggy and *that* should be fixed instead of adding yet another pass that tries to fixup mistakes made by an earlier pass.

https://github.com/llvm/llvm-project/pull/67033