Use SmallSet instead of std::set.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35133 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 059d8a7..5623776 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -3983,7 +3983,7 @@
     return false;
 
   // DestBBs - These are the blocks where a copy of BinOp will be inserted.
-  std::set<BasicBlock*> DestBBs;
+  SmallSet<BasicBlock*, 8> DestBBs;
   BasicBlock *DefBB = BinOp->getParent();
   bool MadeChange = false;
   for (Value::use_iterator UI = BinOp->use_begin(), E = BinOp->use_end();