diff options
Diffstat (limited to 'lib/Transforms/Scalar/LoopIndexSplit.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/LoopIndexSplit.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/LoopIndexSplit.cpp b/lib/Transforms/Scalar/LoopIndexSplit.cpp index 3aedb93fd1..513cad8a56 100644 --- a/lib/Transforms/Scalar/LoopIndexSplit.cpp +++ b/lib/Transforms/Scalar/LoopIndexSplit.cpp @@ -1665,8 +1665,9 @@ void LoopIndexSplit::updatePHINodes(BasicBlock *ExitBB, BasicBlock *Latch, break; } - assert (NewV && "Unable to find new incoming value for exit block PHI"); - PN->addIncoming(NewV, Header); + // Add incoming value from header only if PN has any use inside the loop. + if (NewV) + PN->addIncoming(NewV, Header); } else if (Instruction *PHI = dyn_cast<Instruction>(V)) { // If this instruction is IVIncrement then IV is new incoming value |