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diff --git a/compiler/optimizing/sharpening.h b/compiler/optimizing/sharpening.h
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+/*
+ * Copyright (C) 2015 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_COMPILER_OPTIMIZING_SHARPENING_H_
+#define ART_COMPILER_OPTIMIZING_SHARPENING_H_
+
+#include "optimization.h"
+
+namespace art {
+
+class CodeGenerator;
+class CompilerDriver;
+class DexCompilationUnit;
+class HInvokeStaticOrDirect;
+
+// Optimization that tries to improve the way we dispatch methods and access types,
+// fields, etc. Besides actual method sharpening based on receiver type (for example
+// virtual->direct), this includes selecting the best available dispatch for
+// invoke-static/-direct based on code generator support.
+class HSharpening : public HOptimization {
+ public:
+  HSharpening(HGraph* graph,
+              CodeGenerator* codegen,
+              const DexCompilationUnit& compilation_unit,
+              CompilerDriver* compiler_driver)
+      : HOptimization(graph, kSharpeningPassName),
+        codegen_(codegen),
+        compilation_unit_(compilation_unit),
+        compiler_driver_(compiler_driver) { }
+
+  void Run() OVERRIDE;
+
+  static constexpr const char* kSharpeningPassName = "sharpening";
+
+ private:
+  void ProcessInvokeStaticOrDirect(HInvokeStaticOrDirect* invoke);
+
+  CodeGenerator* codegen_;
+  const DexCompilationUnit& compilation_unit_;
+  CompilerDriver* compiler_driver_;
+};
+
+}  // namespace art
+
+#endif  // ART_COMPILER_OPTIMIZING_SHARPENING_H_