Make the GraphRoot edge look like a chain edge, which is more accurate,
and use the right result number, in the off chance that the graph root
has multiple result values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53923 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index 184c50e..4bcd916 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -110,7 +110,8 @@
GraphWriter<SelectionDAG*> &GW) {
GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
if (G->getRoot().Val)
- GW.emitEdge(0, -1, G->getRoot().Val, -1, "");
+ GW.emitEdge(0, -1, G->getRoot().Val, G->getRoot().ResNo,
+ "color=blue,style=dashed");
}
};
}