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Diffstat (limited to 'lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index aadfa26420..a3dd36e288 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -2955,8 +2955,10 @@ void SelectionDAGLegalize::ExpandNode(SDNode *Node, Results.push_back(DAG.getConstant(0, MVT::i32)); Results.push_back(Node->getOperand(0)); break; + case ISD::ATOMIC_FENCE: case ISD::MEMBARRIER: { // If the target didn't lower this, lower it to '__sync_synchronize()' call + // FIXME: handle "fence singlethread" more efficiently. TargetLowering::ArgListTy Args; std::pair<SDValue, SDValue> CallResult = TLI.LowerCallTo(Node->getOperand(0), Type::getVoidTy(*DAG.getContext()), |