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Don't sort the vector when it is empty. This should fix some expensive checking

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failures.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82040 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2009-09-16 11:43:12 +00:00
parent 9233272679
commit f4f1b266fd
1 changed files with 2 additions and 1 deletions
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3
lib/CodeGen/MachineModuleInfoImpls.cpp
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@ -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;
}