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| author | Chris Lattner <sabre@nondot.org> | 2010-07-27 18:59:50 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-07-27 18:59:50 +0000 |
| commit | 90f8795e1c0d43e5b3d6254ff2a3cad533069218 (patch) | |
| tree | 3c5a1b2f62dd11ecc4e6c274d664a79d6e273beb /include/llvm/ADT | |
| parent | 977fa34df8b54595ff64157d0f4e5a14921669e8 (diff) | |
| download | external_llvm-90f8795e1c0d43e5b3d6254ff2a3cad533069218.zip external_llvm-90f8795e1c0d43e5b3d6254ff2a3cad533069218.tar.gz external_llvm-90f8795e1c0d43e5b3d6254ff2a3cad533069218.tar.bz2 | |
make lookup failures not fatal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109530 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/ADT')
| -rw-r--r-- | include/llvm/ADT/ScopedHashTable.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/llvm/ADT/ScopedHashTable.h b/include/llvm/ADT/ScopedHashTable.h index b5ca374..c96ad19 100644 --- a/include/llvm/ADT/ScopedHashTable.h +++ b/include/llvm/ADT/ScopedHashTable.h @@ -139,7 +139,12 @@ public: } V lookup(const K &Key) { - return TopLevelMap[Key]->getValue(); + typename DenseMap<K, ScopedHashTableVal<K, V, KInfo>*, KInfo>::iterator + I = TopLevelMap.find(Key); + if (I != TopLevelMap.end()) + return I->second->getValue(); + + return V(); } void insert(const K &Key, const V &Val) { |