forked from OSchip/llvm-project
23ce61b663
Summary: It is incorrect to compare TripCount (which is BECount + 1) with extraiters (or Count) to check if we should enter unrolled loop or not, because TripCount can potentially overflow (when BECount is max unsigned integer). While comparing BECount with (Count - 1) is overflow safe and therefore correct. Reviewer: hfinkel Differential Revision: http://reviews.llvm.org/D19256 From: Evgeny Stupachenko <evstupac@gmail.com> llvm-svn: 267662 |
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| .. | ||
| lit.local.cfg | ||
| partial.ll | ||
| runtime-loop.ll | ||