[PATCH] D20327: [InstCombine] transform multiplication overflow check written as a > (UINT_MAX /u b) to umul.with.overflow

[John Regehr via llvm-commits]

regehr added a comment.

Hi guys, I don't know the best place for this-- just wanted to implement it since Rich Felker, author of Musl libc, was complaining that the transformation is missing. If this isn't the right place I'm happy to close this out.


http://reviews.llvm.org/D20327