diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp index 486f054ad0..53e7595f8a 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp @@ -61,7 +61,8 @@ namespace llvm { static void addCustomGraphFeatures(SelectionDAG *G, GraphWriter<SelectionDAG*> &GW) { GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot"); - GW.emitEdge(0, -1, G->getRoot().Val, -1, ""); + if (G->getRoot().Val) + GW.emitEdge(0, -1, G->getRoot().Val, -1, ""); } }; } |