diff options
Diffstat (limited to 'llvm/lib/Analysis/IVUsers.cpp')
| -rw-r--r-- | llvm/lib/Analysis/IVUsers.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/Analysis/IVUsers.cpp b/llvm/lib/Analysis/IVUsers.cpp index 9432696b5a26..db6cff720642 100644 --- a/llvm/lib/Analysis/IVUsers.cpp +++ b/llvm/lib/Analysis/IVUsers.cpp @@ -101,12 +101,12 @@ static bool isSimplifiedLoopNest(BasicBlock *BB, const DominatorTree *DT, BasicBlock *DomBB = Rung->getBlock(); Loop *DomLoop = LI->getLoopFor(DomBB); if (DomLoop && DomLoop->getHeader() == DomBB) { - // If the domtree walk reaches a loop with no preheader, return false. - if (!DomLoop->isLoopSimplifyForm()) - return false; // If we have already checked this loop nest, stop checking. if (SimpleLoopNests.count(DomLoop)) break; + // If the domtree walk reaches a loop with no preheader, return false. + if (!DomLoop->isLoopSimplifyForm()) + return false; // If we have not already checked this loop nest, remember the loop // header nearest to BB. The nearest loop may not contain BB. if (!NearestLoop) |