diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp index cebd614..a36dca6 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp @@ -1878,9 +1878,8 @@ SDValue DAGTypeLegalizer::WidenVecRes_BUILD_VECTOR(SDNode *N) { unsigned WidenNumElts = WidenVT.getVectorNumElements(); SmallVector<SDValue, 16> NewOps(N->op_begin(), N->op_end()); - NewOps.reserve(WidenNumElts); - for (unsigned i = NumElts; i < WidenNumElts; ++i) - NewOps.push_back(DAG.getUNDEF(EltVT)); + assert(WidenNumElts >= NumElts && "Shrinking vector instead of widening!"); + NewOps.append(WidenNumElts - NumElts, DAG.getUNDEF(EltVT)); return DAG.getNode(ISD::BUILD_VECTOR, dl, WidenVT, &NewOps[0], NewOps.size()); } |