diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/IndVarSimplify.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/IndVarSimplify.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp index 40cc3fc3af2..4520a468aca 100644 --- a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp +++ b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp @@ -2662,11 +2662,11 @@ static const SCEV* getMaxBackedgeTakenCount(ScalarEvolution &SE, // merge the max and exact information to approximate a version of // getConstantMaxBackedgeTakenCount which isn't restricted to just constants. SmallVector<const SCEV*, 4> ExitCounts; - const SCEV *MaxConstEC = SE.getConstantMaxBackedgeTakenCount(L); - if (!isa<SCEVCouldNotCompute>(MaxConstEC)) - ExitCounts.push_back(MaxConstEC); for (BasicBlock *ExitingBB : ExitingBlocks) { const SCEV *ExitCount = SE.getExitCount(L, ExitingBB); + if (isa<SCEVCouldNotCompute>(ExitCount)) + ExitCount = SE.getExitCount(L, ExitingBB, + ScalarEvolution::ConstantMaximum); if (!isa<SCEVCouldNotCompute>(ExitCount)) { assert(DT.dominates(ExitingBB, L->getLoopLatch()) && "We should only have known counts for exiting blocks that " |
