[PATCH] D102615: [LoopDeletion] Break backedge if we can prove that the loop is exited on 1st iteration

[Nikita Popov via Phabricator via llvm-commits]

nikic added a comment.

@mkazantsev Results for the two patches are https://llvm-compile-time-tracker.com/compare.php?from=d82f2a123f9c443911fc40009d2017915b850758&to=b0b2bf3b5da950679db1431aae431a6dedea2245&stat=instructions and https://llvm-compile-time-tracker.com/compare.php?from=59d938e649e62db0cef4903d495e838fbc6a6eb8&to=51d334a845a082338735b0fdfc620a4b15fa26fe&stat=instructions. They make for minor improvements, though close to the noise floor.


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  https://reviews.llvm.org/D102615/new/

https://reviews.llvm.org/D102615