diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 5742aef..aacee99 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -2756,9 +2756,12 @@ SDOperand DAGCombiner::visitVBinOp(SDNode *N, ISD::NodeType IntOp, Ops.back().getOpcode() == ISD::ConstantFP) && "Scalar binop didn't fold!"); } - Ops.push_back(*(LHS.Val->op_end()-2)); - Ops.push_back(*(LHS.Val->op_end()-1)); - return DAG.getNode(ISD::VBUILD_VECTOR, MVT::Vector, Ops); + + if (Ops.size() == LHS.getNumOperands()-2) { + Ops.push_back(*(LHS.Val->op_end()-2)); + Ops.push_back(*(LHS.Val->op_end()-1)); + return DAG.getNode(ISD::VBUILD_VECTOR, MVT::Vector, Ops); + } } return SDOperand(); |