[llvm-commits] [llvm] r82040 - /llvm/trunk/lib/CodeGen/MachineModuleInfoImpls.cpp
Benjamin Kramer
benny.kra at googlemail.com
Wed Sep 16 04:43:12 PDT 2009
Author: d0k
Date: Wed Sep 16 06:43:12 2009
New Revision: 82040
URL: http://llvm.org/viewvc/llvm-project?rev=82040&view=rev
Log:
Don't sort the vector when it is empty. This should fix some expensive checking
failures.
Modified:
llvm/trunk/lib/CodeGen/MachineModuleInfoImpls.cpp
Modified: llvm/trunk/lib/CodeGen/MachineModuleInfoImpls.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineModuleInfoImpls.cpp?rev=82040&r1=82039&r2=82040&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineModuleInfoImpls.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineModuleInfoImpls.cpp Wed Sep 16 06:43:12 2009
@@ -38,7 +38,8 @@
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;
}
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