[llvm] [InstCombine] Preload DomConditionCache to reach fixed point when sinking (PR #170835)

[Nikita Popov via llvm-commits]

nikic wrote:

Looks like doing this has a large compile-time overhead: https://llvm-compile-time-tracker.com/compare.php?from=d5551e1d595a5298f11f2cf1317799a2680bd7ce&to=3752f2bbbc13fb622b68fc02371a9c086b9ad8b2&stat=instructions:u

https://github.com/llvm/llvm-project/pull/170835