smallvectorize the list of returns built by CloneAndPruneFunctionInto.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80202 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/CloneModule.cpp b/lib/Transforms/Utils/CloneModule.cpp
index 13b2d46..0285f8c 100644
--- a/lib/Transforms/Utils/CloneModule.cpp
+++ b/lib/Transforms/Utils/CloneModule.cpp
@@ -108,7 +108,7 @@
         ValueMap[J] = DestI++;
       }
 
-      std::vector<ReturnInst*> Returns;  // Ignore returns cloned...
+      SmallVector<ReturnInst*, 8> Returns;  // Ignore returns cloned.
       CloneFunctionInto(F, I, ValueMap, Returns);
     }