diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/LoopPredication.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LoopPredication.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopPredication.cpp b/llvm/lib/Transforms/Scalar/LoopPredication.cpp index d3cec7568b6..4ee3d0079c7 100644 --- a/llvm/lib/Transforms/Scalar/LoopPredication.cpp +++ b/llvm/lib/Transforms/Scalar/LoopPredication.cpp @@ -653,6 +653,11 @@ static void normalizePredicate(ScalarEvolution *SE, Loop *L, RC.IV->getStepRecurrence(*SE)->isOne() && SE->isKnownPredicate(ICmpInst::ICMP_ULE, RC.IV->getStart(), RC.Limit)) RC.Pred = ICmpInst::ICMP_ULT; + if (RC.Pred == ICmpInst::ICMP_EQ && + RC.IV->getStepRecurrence(*SE)->isOne() && + SE->isKnownPredicate(ICmpInst::ICMP_ULE, RC.IV->getStart(), RC.Limit)) + RC.Pred = ICmpInst::ICMP_UGE; + } |
