diff options
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LoopPredication.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopPredication.cpp b/llvm/lib/Transforms/Scalar/LoopPredication.cpp index e538b7070b8..32fd3da465f 100644 --- a/llvm/lib/Transforms/Scalar/LoopPredication.cpp +++ b/llvm/lib/Transforms/Scalar/LoopPredication.cpp @@ -182,8 +182,10 @@ Optional<Value *> LoopPredication::widenICmpRangeCheck(ICmpInst *ICI, DEBUG(ICI->dump()); auto RangeCheck = parseLoopICmp(ICI); - if (!RangeCheck) + if (!RangeCheck) { + DEBUG(dbgs() << "Failed to parse the loop latch condition!\n"); return None; + } ICmpInst::Predicate Pred = RangeCheck->Pred; const SCEVAddRecExpr *IndexAR = RangeCheck->IV; |
