}
break;
+ case ISD::MEMBARRIER: {
+ assert(Node->getNumOperands() == 6 && "Invalid MemBarrier node!");
+ switch (TLI.getOperationAction(ISD::MEMBARRIER, MVT::Other)) {
+ default: assert(0 && "This action is not supported yet!");
+ case TargetLowering::Legal: {
+ SDOperand Ops[6];
+ Ops[0] = LegalizeOp(Node->getOperand(0)); // Legalize the chain.
+ for (int x = 1; x < 6; ++x)
+ Ops[x] = PromoteOp(Node->getOperand(x));
+ Result = DAG.UpdateNodeOperands(Result, &Ops[0], 6);
+ break;
+ }
+ case TargetLowering::Expand:
+ //There is no libgcc call for this op
+ Result = Node->getOperand(0); // Noop
+ break;
+ }
+ break;
+ }
+
case ISD::Constant: {
ConstantSDNode *CN = cast<ConstantSDNode>(Node);
unsigned opAction =