diff options
| -rw-r--r-- | include/llvm/Support/GraphWriter.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/include/llvm/Support/GraphWriter.h b/include/llvm/Support/GraphWriter.h index 833f4a8e08..14a70cb189 100644 --- a/include/llvm/Support/GraphWriter.h +++ b/include/llvm/Support/GraphWriter.h @@ -82,15 +82,18 @@ public: GraphWriter(std::ostream &o, const GraphType &g) : O(o), G(g) {} void writeHeader(const std::string &Name) { - if (Name.empty()) - O << "digraph foo {\n"; // Graph name doesn't matter - else + std::string GraphName = DOTTraits::getGraphName(G); + + if (!Name.empty()) O << "digraph " << Name << " {\n"; + else if (!GraphName.empty()) + O << "digraph " << GraphName << " {\n"; + else + O << "digraph unnamed {\n"; if (DOTTraits::renderGraphFromBottomUp()) O << "\trankdir=\"BT\";\n"; - std::string GraphName = DOTTraits::getGraphName(G); if (!GraphName.empty()) O << "\tlabel=\"" << DOT::EscapeString(GraphName) << "\";\n"; O << DOTTraits::getGraphProperties(G); |