Use SmallPtrSet instaed of std::set

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37548 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/VMCore/Dominators.cpp b/lib/VMCore/Dominators.cpp
index 5e0ab84cf9784fb94a23f88c745bbf8dd088ced6..e6e1ffab7789d78e47dd1cab02436f74393a2591 100644 (file)
--- a/lib/VMCore/Dominators.cpp
+++ b/lib/VMCore/Dominators.cpp
@@ -403,8 +403,7 @@ BasicBlock *DominatorTreeBase::findNearestCommonDominator(BasicBlock *A,
     return A;
 
   // Collect NodeA dominators set.
-  // SmallPtrSet<DomTreeNode*, 16> NodeADoms;
-  std::set<DomTreeNode*> NodeADoms;
+  SmallPtrSet<DomTreeNode*, 16> NodeADoms;
   NodeADoms.insert(NodeA);
   DomTreeNode *IDomA = NodeA->getIDom();
   while(IDomA) {