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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2009-09-16 11:43:12 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2009-09-16 11:43:12 +0000 |
| commit | f4f1b266fd83c819ea2cf7cbd9bcd377d95c4eb6 (patch) | |
| tree | ac54fdfdc460c7e5d70788ab00ece473ec2fd87a /lib/CodeGen/MachineModuleInfoImpls.cpp | |
| parent | 923327267949b537d7a2fdad5b7a919bd90ce085 (diff) | |
Don't sort the vector when it is empty. This should fix some expensive checking
failures.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82040 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineModuleInfoImpls.cpp')
| -rw-r--r-- | lib/CodeGen/MachineModuleInfoImpls.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/MachineModuleInfoImpls.cpp b/lib/CodeGen/MachineModuleInfoImpls.cpp index 10de1deec4..7a6292910f 100644 --- a/lib/CodeGen/MachineModuleInfoImpls.cpp +++ b/lib/CodeGen/MachineModuleInfoImpls.cpp @@ -38,7 +38,8 @@ MachineModuleInfoMachO::SymbolListTy MachineModuleInfoMachO::GetSortedStubs(const DenseMap<const MCSymbol*, const MCSymbol*> &Map) { MachineModuleInfoMachO::SymbolListTy List(Map.begin(), Map.end()); - qsort(&List[0], List.size(), sizeof(List[0]), SortSymbolPair); + if (!List.empty()) + qsort(&List[0], List.size(), sizeof(List[0]), SortSymbolPair); return List; } |