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 5b15dfb210..1c0be0ba52 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -1847,11 +1847,19 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { case ISD::READCYCLECOUNTER: Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain Result = DAG.UpdateNodeOperands(Result, Tmp1); + switch (TLI.getOperationAction(ISD::READCYCLECOUNTER, + Node->getValueType(0))) { + default: assert(0 && "This action is not supported yet!"); + case TargetLowering::Legal: break; + case TargetLowering::Custom: + Result = TLI.LowerOperation(Result, DAG); + break; + } // Since rdcc produce two values, make sure to remember that we legalized // both of them. - AddLegalizedOperand(SDOperand(Node, 0), Result.getValue(0)); - AddLegalizedOperand(SDOperand(Node, 1), Result.getValue(1)); + AddLegalizedOperand(SDOperand(Node, 0), LegalizeOp(Result.getValue(0))); + AddLegalizedOperand(SDOperand(Node, 1), LegalizeOp(Result.getValue(1))); return Result; case ISD::SELECT: |