tree d9190de286f8fd9ad559821d01fc525efee93146
parent 14ee48a5bae352780b767a14bd97e8e91800a95b
author Dan Gohman <gohman@apple.com> 1245627998 +0000
committer Dan Gohman <gohman@apple.com> 1245627998 +0000

Fix ScalarEvolution's backedge-taken count computations to check for
overflow when computing a integer division to round up.

Thanks to Nick Lewycky for noticing this!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73862 91177308-0d34-0410-b5e6-96231b3b80d8