Disallow multiple edges.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60127 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvmc/driver/CompilationGraph.cpp b/tools/llvmc/driver/CompilationGraph.cpp
index 81283ba..a4fda48 100644
--- a/tools/llvmc/driver/CompilationGraph.cpp
+++ b/tools/llvmc/driver/CompilationGraph.cpp
@@ -79,6 +79,20 @@
}
+void Node::AddEdge(Edge* Edg) {
+ // If there already was an edge between two nodes, modify it instead
+ // of adding a new edge.
+ const std::string& ToolName = Edg->ToolName();
+ for (container_type::iterator B = OutEdges.begin(), E = OutEdges.end();
+ B != E; ++B) {
+ if ((*B)->ToolName() == ToolName) {
+ llvm::IntrusiveRefCntPtr<Edge>(Edg).swap(*B);
+ return;
+ }
+ }
+ OutEdges.push_back(llvm::IntrusiveRefCntPtr<Edge>(Edg));
+}
+
CompilationGraph::CompilationGraph() {
NodesMap["root"] = Node(this);
}