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-rw-r--r--lib/VMCore/Dominators.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/VMCore/Dominators.cpp b/lib/VMCore/Dominators.cpp
index 2d222adc56..1421cf14e7 100644
--- a/lib/VMCore/Dominators.cpp
+++ b/lib/VMCore/Dominators.cpp
@@ -19,6 +19,7 @@
#include "llvm/Assembly/Writer.h"
#include "llvm/ADT/DepthFirstIterator.h"
#include "llvm/ADT/SetOperations.h"
+#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/Instructions.h"
#include <algorithm>
using namespace llvm;
@@ -462,7 +463,7 @@ DominanceFrontier::calculate(const DominatorTree &DT,
DomSetType *Result = NULL;
std::vector<DFCalculateWorkObject> workList;
- std::set<BasicBlock *> visited;
+ SmallPtrSet<BasicBlock *, 32> visited;
workList.push_back(DFCalculateWorkObject(BB, NULL, Node, NULL));
do {