diff options
| author | Jim Laskey <jlaskey@mac.com> | 2006-10-17 19:33:52 +0000 |
|---|---|---|
| committer | Jim Laskey <jlaskey@mac.com> | 2006-10-17 19:33:52 +0000 |
| commit | 26f7fa7bba94eb18bf0e43586dd2b596cb58ca80 (patch) | |
| tree | 6708a40e03a0bc00223f823b7a2689133101dfcb /lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp | |
| parent | 3f3a6f6c3b6b178602a1246e62ed1e6c5d9631de (diff) | |
Make it simplier to dump DAGs while in DAGCombiner. Remove a nasty optimization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31009 91177308-0d34-0410-b5e6-96231b3b80d8
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, ""); } }; } |