diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index bdddca3514..67707c6425 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -3221,7 +3221,12 @@ void SelectionDAGBuilder::visitStore(const StoreInst &I) { } void SelectionDAGBuilder::visitFence(const FenceInst &I) { - llvm_unreachable("Not implemented yet"); + DebugLoc dl = getCurDebugLoc(); + SDValue Ops[3]; + Ops[0] = getRoot(); + Ops[1] = DAG.getConstant(I.getOrdering(), TLI.getPointerTy()); + Ops[2] = DAG.getConstant(I.getSynchScope(), TLI.getPointerTy()); + DAG.setRoot(DAG.getNode(ISD::ATOMIC_FENCE, dl, MVT::Other, Ops, 3)); } /// visitTargetIntrinsic - Lower a call of a target intrinsic to an INTRINSIC |