namespace {
/// NodeUpdateListener - This class is a DAGUpdateListener that listens for
/// updates to nodes and recomputes their ready state.
- class VISIBILITY_HIDDEN NodeUpdateListener :
+ class VISIBILITY_HIDDEN NodeUpdateListener :
public SelectionDAG::DAGUpdateListener {
DAGTypeLegalizer &DTL;
public:
NodeUpdateListener(DAGTypeLegalizer &dtl) : DTL(dtl) {}
-
+
virtual void NodeDeleted(SDNode *N) {
// Ignore deletes.
+ assert(N->getNodeId() != DAGTypeLegalizer::Processed &&
+ N->getNodeId() != DAGTypeLegalizer::ReadyToProcess &&
+ "RAUW deleted processed node!");
}
-
+
virtual void NodeUpdated(SDNode *N) {
// Node updates can mean pretty much anything. It is possible that an
// operand was set to something already processed (f.e.) in which case
// this node could become ready. Recompute its flags.
- if (N->getNodeId() != DAGTypeLegalizer::ReadyToProcess)
- DTL.ReanalyzeNodeFlags(N);
+ assert(N->getNodeId() != DAGTypeLegalizer::Processed &&
+ N->getNodeId() != DAGTypeLegalizer::ReadyToProcess &&
+ "RAUW updated processed node!");
+ DTL.ReanalyzeNodeFlags(N);
}
};
}