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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 | d9ac5deabfa68d437de63461d45b9c2912f527b9 (patch) | |
| tree | 38cdb2fc1a272bb082159d51616cfae54434613d /include/llvm/Analysis/Dominators.h | |
| parent | 4a748b0f120835f4e83b77cfa761b504125ec817 (diff) | |
| download | external_llvm-d9ac5deabfa68d437de63461d45b9c2912f527b9.zip external_llvm-d9ac5deabfa68d437de63461d45b9c2912f527b9.tar.gz external_llvm-d9ac5deabfa68d437de63461d45b9c2912f527b9.tar.bz2 | |
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/llvm/Analysis/Dominators.h')
| -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 5d1e8ec..846bf1e 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: |