[llvm] [InstCombine] Fold zext/sext i1 store using dominating branch condition (PR #201195)

[Nikita Popov via llvm-commits]

https://github.com/nikic requested changes to this pull request.

The impact on llvm-opt-benchmark is minimal. I'm not willing to take a non-principled fix for this issue with so little practical impact.

https://github.com/llvm/llvm-project/pull/201195