diff --git a/src/compiler/codegen/Optimizer.h b/src/compiler/codegen/Optimizer.h
new file mode 100644
index 0000000..c485717
--- /dev/null
+++ b/src/compiler/codegen/Optimizer.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_SRC_COMPILER_COMPILER_OPTIMIZATION_H_
+#define ART_SRC_COMPILER_COMPILER_OPTIMIZATION_H_
+
+#include "../Dalvik.h"
+
+#define STACK_ALIGN_WORDS 4
+#define STACK_ALIGNMENT (STACK_ALIGN_WORDS * 4)
+
+/* Supress optimization if corresponding bit set */
+enum optControlVector {
+    kLoadStoreElimination = 0,
+    kLoadHoisting,
+    kTrackLiveTemps,
+    kSuppressLoads,
+    kPromoteRegs,
+};
+
+/* Forward declarations */
+struct CompilationUnit;
+struct LIR;
+
+void oatApplyLocalOptimizations(struct CompilationUnit* cUnit,
+                                struct LIR* head, struct LIR* tail);
+
+#endif  // ART_SRC_COMPILER_COMPILER_OPTIMIZATION_H_