[llvm] [InstCombine] Relax one-use requirement for add iN (sext i1 X), (sext i1 Y) --> sext (X | Y) to iN (PR #90509)

[via llvm-commits]

goldsteinn wrote:

This appears to have a pretty significant compile time impact: https://llvm-compile-time-tracker.com/compare.php?from=519e0bb094bd9444b64ac62f2e8192543fdb94b9&to=dd0245e3d74955ace14c95d288abf72346ad52e8&stat=instructions:u

https://github.com/llvm/llvm-project/pull/90509