diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 7965e141a5..6ea58519f8 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -448,8 +448,17 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { MVT::ValueType SrcVT = cast<MVTSDNode>(Node)->getExtraValueType(); switch (TLI.getOperationAction(Node->getOpcode(), SrcVT)) { - case TargetLowering::Promote: default: assert(0 && "This action is not supported yet!"); + case TargetLowering::Promote: + assert(SrcVT == MVT::i1 && "Can only promote EXTLOAD from i1 -> i8!"); + Result = DAG.getNode(Node->getOpcode(), Node->getValueType(0), + Tmp1, Tmp2, MVT::i8); + // Since loads produce two values, make sure to remember that we legalized + // both of them. + AddLegalizedOperand(SDOperand(Node, 0), Result); + AddLegalizedOperand(SDOperand(Node, 1), Result.getValue(1)); + return Result.getValue(Op.ResNo); + case TargetLowering::Legal: if (Tmp1 != Node->getOperand(0) || Tmp2 != Node->getOperand(1)) @@ -463,7 +472,6 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { AddLegalizedOperand(SDOperand(Node, 0), Result); AddLegalizedOperand(SDOperand(Node, 1), Result.getValue(1)); return Result.getValue(Op.ResNo); - break; case TargetLowering::Expand: assert(Node->getOpcode() != ISD::EXTLOAD && "EXTLOAD should always be supported!"); |