def SDNPMayLoad : SDNodeProperty; // May read memory, sets 'mayLoad'.
def SDNPSideEffect : SDNodeProperty; // Sets 'HasUnmodelledSideEffects'.
def SDNPMemOperand : SDNodeProperty; // Touches memory, has assoc MemOperand
+def SDNPVariadic : SDNodeProperty; // Node has variable arguments.
//===----------------------------------------------------------------------===//
// Selection DAG Node definitions.