[PATCH] D20327: [InstCombine] transform multiplication overflow check written as a > (UINT_MAX /u b) to umul.with.overflow
John Regehr via llvm-commits
llvm-commits at lists.llvm.org
Tue May 17 12:10:11 PDT 2016
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
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