[clang] [llvm] [ValueTracking] Add dominating condition support in computeKnownBits() (PR #73662)

[Yingwei Zheng via cfe-commits]

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

The regression in `Shootout-C++-ary2` may be caused by ThinLTO. But I think it is OK to go ahead and merge :)


https://github.com/llvm/llvm-project/pull/73662