[llvm] [InstCombine] Fold trunc nuw i1 to false when dominated by icmp. (PR #151961)

[Andreas Jonson via llvm-commits]

andjo403 wrote:

hmm maybe it was git that tricked me, it was not happy with more then 10k changed files, when I checked bench/ruff-rs/optimized/8dg5gv1ul0w7vccunqd3ii3jp.ll with this PR vs https://github.com/llvm/llvm-project/pull/153003 there was only changes of names on variables so that PR helps a least.

https://github.com/llvm/llvm-project/pull/151961