diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 155b1a33ac..3290311df2 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -7109,10 +7109,13 @@ SDOperand SelectionDAGLegalize::ScalarizeVectorOp(SDOperand Op) { Result = Node->getOperand(0); assert(Result.getValueType() == NewVT); break; - case ISD::BIT_CONVERT: - Result = DAG.getNode(ISD::BIT_CONVERT, NewVT, - ScalarizeVectorOp(Op.getOperand(0))); + case ISD::BIT_CONVERT: { + SDOperand Op0 = Op.getOperand(0); + if (MVT::getVectorNumElements(Op0.getValueType()) == 1) + Op0 = ScalarizeVectorOp(Op0); + Result = DAG.getNode(ISD::BIT_CONVERT, NewVT, Op0); break; + } case ISD::SELECT: Result = DAG.getNode(ISD::SELECT, NewVT, Op.getOperand(0), ScalarizeVectorOp(Op.getOperand(1)), |