From 57c749294c5d79b0cfaa4cafc4f339eed5e93060 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Tue, 22 Jul 2008 17:52:59 +0000
Subject: [PATCH] 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.

llvm-svn: 53923
---
 llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index 184c50e9037d..4bcd916ff845 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -110,7 +110,8 @@ namespace llvm {
                                        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");
     }
   };
 }