Revert "Revert "Introduce a class to implement optimization passes.""

This reverts commit 1ddbf6d4b37979a9f11a203c12befd5ae8b65df4.

Change-Id: I110a14668d1564ee0604dc958b91394b40da89fc

1 files changed, 0 insertions, 43 deletions

diff --git a/compiler/optimizing/constant_propagation.h b/compiler/optimizing/constant_propagation.h
deleted file mode 100644
index 0729881888..0000000000
--- a/compiler/optimizing/constant_propagation.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Copyright (C) 2014 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_CONSTANT_PROPAGATION_H_
-#define ART_COMPILER_OPTIMIZING_CONSTANT_PROPAGATION_H_
-
-#include "nodes.h"
-
-namespace art {
-
-/**
- * Optimization pass performing a simple constant propagation on the
- * SSA form.
- */
-class ConstantPropagation : public ValueObject {
- public:
-  explicit ConstantPropagation(HGraph* graph)
-    : graph_(graph) {}
-
-  void Run();
-
- private:
-  HGraph* const graph_;
-
-  DISALLOW_COPY_AND_ASSIGN(ConstantPropagation);
-};
-
-}  // namespace art
-
-#endif  // ART_COMPILER_OPTIMIZING_CONSTANT_PROPAGATION_H_