Index: include/llvm/ADT/ScopeExit.h
===================================================================
--- /dev/null
+++ include/llvm/ADT/ScopeExit.h
@@ -0,0 +1,52 @@
+//===- llvm/ADT/ScopeExit.h - Execute code at scope exit --------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the make_scope_exit function, which executes user-defined
+// cleanup logic at scope exit.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_ADT_SCOPE_EXIT_H
+#define LLVM_ADT_SCOPE_EXIT_H
+
+#include "llvm/Support/Compiler.h"
+
+#include <type_traits>
+#include <utility>
+
+namespace llvm {
+namespace detail {
+
+template <typename Callable> class LLVM_ATTRIBUTE_UNUSED_RESULT scope_exit {
+  Callable ExitFunction;
+
+public:
+  template <typename Fp>
+  explicit scope_exit(Fp &&F) : ExitFunction(std::forward<Fp>(F)) {}
+
+  ~scope_exit() { ExitFunction(); }
+};
+
+} // end namespace detail
+
+// Keeps the callable object that is passed in, and execute it at the
+// destruction of the returned object (usually at the scope exit where the
+// returned object is kept).
+//
+// Interface is specified by p0052r2.
+template <typename Callable>
+detail::scope_exit<typename std::decay<Callable>::type>
+make_scope_exit(Callable &&F) {
+  return detail::scope_exit<typename std::decay<Callable>::type>(
+      std::forward<Callable>(F));
+}
+
+} // end namespace llvm
+
+#endif
Index: unittests/ADT/CMakeLists.txt
===================================================================
--- unittests/ADT/CMakeLists.txt
+++ unittests/ADT/CMakeLists.txt
@@ -34,6 +34,7 @@
   PriorityWorklistTest.cpp
   RangeAdapterTest.cpp
   SCCIteratorTest.cpp
+  ScopeExitTest.cpp
   SequenceTest.cpp
   SetVectorTest.cpp
   SmallPtrSetTest.cpp
Index: unittests/ADT/ScopeExitTest.cpp
===================================================================
--- /dev/null
+++ unittests/ADT/ScopeExitTest.cpp
@@ -0,0 +1,45 @@
+//===- llvm/unittest/ADT/ScopeExit.cpp - Scope exit unit tests --*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ADT/ScopeExit.h"
+#include "llvm/ADT/SmallVector.h"
+#include "gtest/gtest.h"
+
+#include <functional>
+
+using namespace llvm;
+
+namespace {
+
+TEST(ScopeExitTest, Copy) {
+  SmallVector<int, 3> v;
+  auto f = [&](int counter) {
+    return [&v, counter] { v.push_back(counter); };
+  };
+  {
+    auto g1 = make_scope_exit(f(0));
+    { auto g2 = make_scope_exit(f(1)); }
+    auto g3 = make_scope_exit(f(2));
+    EXPECT_EQ((SmallVector<int, 3>{1}), v);
+  }
+  EXPECT_EQ((SmallVector<int, 3>{1, 2, 0}), v);
+}
+
+TEST(ScopeExitTest, Move) {
+  bool succ = false;
+  std::function<void()> f([&succ] { succ = true; });
+  ASSERT_TRUE(static_cast<bool>(f));
+  {
+    auto g4 = make_scope_exit(std::move(f));
+    EXPECT_FALSE(f);
+    EXPECT_FALSE(succ);
+  }
+  EXPECT_TRUE(succ);
+}
+}