llvm-project

62fd3320 - [InstCombine] Optimize usub.sat pattern (#151044)

[InstCombine] Optimize usub.sat pattern (#151044) Fixes #79690 Generalized proof: https://alive2.llvm.org/ce/z/22ybrr --------- Co-authored-by: Nimit Sachdeva <nimsach@amazon.com>