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authorDan Gohman <gohman@apple.com>2008-03-21 22:51:06 +0000
committerDan Gohman <gohman@apple.com>2008-03-21 22:51:06 +0000
commit4145bd509d0be0ea2ebea693a7ad15948480d982 (patch)
tree209921b5b4edf21722791cc7648c33f241a94ac1 /lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
parent8e0c20bf1b7f507621d765cc7d795362fda639ff (diff)
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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
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp')
-rw-r--r--lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index ad58aa0616..7779acce63 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -314,7 +314,10 @@ std::string DOTGraphTraits<ScheduleDAG*>::getNodeLabel(const SUnit *SU,
&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;
}