| commit | 62baa594d786389844d40990fb8a0e59b5ad1f80 | [log] [tgz] |
|---|---|---|
| author | David Majnemer <david.majnemer@gmail.com> | Sun Nov 16 07:30:35 2014 +0000 |
| committer | David Majnemer <david.majnemer@gmail.com> | Sun Nov 16 07:30:35 2014 +0000 |
| tree | 25e3a9b7a0242282a6feb75d30b23530ea8bb7e4 | |
| parent | f5dc5ae36bd7f494aa1fd937be7a8177b9b277fa [diff] |
ScalarEvolution: HowFarToZero was wrongly using signed division HowFarToZero was supposed to use unsigned division in order to calculate the backedge taken count. However, SCEVDivision::divide performs signed division. Unless I am mistaken, no users of SCEVDivision actually want signed arithmetic: switch to udiv and urem. This fixes PR21578. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222093 91177308-0d34-0410-b5e6-96231b3b80d8