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| author | Chris Lattner <sabre@nondot.org> | 2009-09-08 01:22:54 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-09-08 01:22:54 +0000 |
| commit | 45336a6f22de93b38d693fbdde0c96aa84f1e70f (patch) | |
| tree | 38cdb2fc1a272bb082159d51616cfae54434613d /include | |
| parent | ff1e98c72ae5f2aa805112925fd5c06049aa8e79 (diff) | |
| download | llvm-45336a6f22de93b38d693fbdde0c96aa84f1e70f.tar.gz llvm-45336a6f22de93b38d693fbdde0c96aa84f1e70f.tar.bz2 llvm-45336a6f22de93b38d693fbdde0c96aa84f1e70f.tar.xz | |
fix PR4915, a crash in -debug mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81177 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
| -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: |