diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 0bb6dd0301f..9c5c9643327 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -1427,10 +1427,16 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { // Turn this into a return of the scalar type. Tmp2 = PackVectorOp(Tmp2, EVT); Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp2); + + // FIXME: Returns of gcc generic vectors smaller than a legal type + // should be returned in integer registers! + // The scalarized value type may not be legal, e.g. it might require // promotion or expansion. Relegalize the return. Result = LegalizeOp(Result); } else { + // FIXME: Returns of gcc generic vectors larger than a legal vector + // type should be returned by reference! SDOperand Lo, Hi; SplitVectorOp(Tmp2, Lo, Hi); Result = DAG.getNode(ISD::RET, MVT::Other, Tmp1, Lo, Hi); @@ -1458,6 +1464,8 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { break; case Expand: { SDOperand Lo, Hi; + assert(Node->getOperand(i).getValueType() != MVT::Vector && + "FIXME: TODO: implement returning non-legal vector types!"); ExpandOp(Node->getOperand(i), Lo, Hi); NewValues.push_back(Lo); NewValues.push_back(Hi); |
