diff options
| -rw-r--r-- | include/llvm/Analysis/Dominators.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/llvm/Analysis/Dominators.h b/include/llvm/Analysis/Dominators.h index 5d1e8ecf12..846bf1e5f8 100644 --- a/include/llvm/Analysis/Dominators.h +++ b/include/llvm/Analysis/Dominators.h @@ -548,7 +548,9 @@ public: o << "DFSNumbers invalid: " << SlowQueries << " slow queries."; o << "\n"; - PrintDomTree<NodeT>(getRootNode(), o, 1); + // The postdom tree can have a null root if there are no returns. + if (getRootNode()) + PrintDomTree<NodeT>(getRootNode(), o, 1); } protected: |