commit 4145bd509d0be0ea2ebea693a7ad15948480d982
author Dan Gohman <gohman@apple.com> Fri Mar 21 22:51:06 2008 +0000
committer Dan Gohman <gohman@apple.com> Fri Mar 21 22:51:06 2008 +0000
tree 209921b5b4edf21722791cc7648c33f241a94ac1
parent 8e0c20bf1b7f507621d765cc7d795362fda639ff

Fix -view-sunit-dags to support cross-rc-copy nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48664 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index ad58aa0..7779acc 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -314,7 +314,10 @@
                                                       &G->DAG) + "\n";
   }
 
-  Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(SU->Node, &G->DAG);
+  if (SU->Node)
+    Op += DOTGraphTraits<SelectionDAG*>::getNodeLabel(SU->Node, &G->DAG);
+  else
+    Op += "<CROSS RC COPY>";
 
   return Op;
 }