From 7e6d70a4251e66b7cf28a5c1282e1e1f49eebbfb Mon Sep 17 00:00:00 2001
From: Mikhail Glushenkov <foldr@codedgers.com>
Date: Wed, 26 Nov 2008 22:59:45 +0000
Subject: Disallow multiple edges.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60127 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/llvmc/driver/CompilationGraph.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'tools/llvmc/driver/CompilationGraph.cpp')

diff --git a/tools/llvmc/driver/CompilationGraph.cpp b/tools/llvmc/driver/CompilationGraph.cpp
index 81283babb4..a4fda4834f 100644
--- a/tools/llvmc/driver/CompilationGraph.cpp
+++ b/tools/llvmc/driver/CompilationGraph.cpp
@@ -79,6 +79,20 @@ namespace {
 
 }
 
+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);
 }
-- 
cgit v1.2.3-18-g5258