Results.push_back(ExpandExtractFromVectorThroughStack(SDValue(Node, 0)));
break;
case ISD::CONCAT_VECTORS: {
- // Use extract/insert/build vector for now. We might try to be
- // more clever later.
- SmallVector<SDValue, 8> Ops;
- unsigned NumOperands = Node->getNumOperands();
- for (unsigned i=0; i < NumOperands; ++i) {
- SDValue SubOp = Node->getOperand(i);
- MVT VVT = SubOp.getNode()->getValueType(0);
- MVT EltVT = VVT.getVectorElementType();
- unsigned NumSubElem = VVT.getVectorNumElements();
- for (unsigned j=0; j < NumSubElem; ++j) {
- Ops.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, EltVT, SubOp,
- DAG.getIntPtrConstant(j)));
- }
- }
- Tmp1 = DAG.getNode(ISD::BUILD_VECTOR, dl, Node->getValueType(0),
- &Ops[0], Ops.size());
- Results.push_back(Tmp1);
+ Results.push_back(ExpandVectorBuildThroughStack(Node));
break;
}
case ISD::SCALAR_TO_VECTOR:
--- /dev/null
+; RUN: llvm-as < %s | llc
+
+define <2 x i64> @_mm_movpi64_pi64(<1 x i64> %a, <1 x i64> %b) nounwind readnone {
+entry:
+ %0 = shufflevector <1 x i64> %a, <1 x i64> %b, <2 x i32> <i32 0, i32 1>
+ ret <2 x i64> %0
+}
+