1 files changed, 15 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/IPA/CallGraph.cpp b/llvm/lib/Analysis/IPA/CallGraph.cpp
index 46c044a3843..083b22d0170 100644
--- a/llvm/lib/Analysis/IPA/CallGraph.cpp
+++ b/llvm/lib/Analysis/IPA/CallGraph.cpp
@@ -32,6 +32,15 @@ CallGraph::CallGraph(Module &M)
     Root = ExternalCallingNode;
 }
 
+CallGraph::CallGraph(CallGraph &&Arg)
+    : M(Arg.M), FunctionMap(std::move(Arg.FunctionMap)), Root(Arg.Root),
+      ExternalCallingNode(Arg.ExternalCallingNode),
+      CallsExternalNode(std::move(Arg.CallsExternalNode)) {
+  Arg.FunctionMap.clear();
+  Arg.Root = nullptr;
+  Arg.ExternalCallingNode = nullptr;
+}
+
 CallGraph::~CallGraph() {
   // CallsExternalNode is not in the function map, delete it explicitly.
   if (CallsExternalNode)
@@ -253,6 +262,12 @@ void CallGraphNode::replaceCallEdge(CallSite CS,
 }
 
 //===----------------------------------------------------------------------===//
+// Out-of-line definitions of CallGraphAnalysis class members.
+//
+
+char CallGraphAnalysis::PassID;
+
+//===----------------------------------------------------------------------===//
 // Implementations of the CallGraphWrapperPass class methods.
 //