Implement LICM in optimizing compiler.

Change-Id: I9c8afb0a58ef45e568576015473cbfd5f011c242

1 files changed, 42 insertions, 0 deletions

diff --git a/compiler/optimizing/licm.h b/compiler/optimizing/licm.h
new file mode 100644
index 0000000000..4812394a35
--- /dev/null
+++ b/compiler/optimizing/licm.h
@@ -0,0 +1,42 @@
+/*
+ * 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_LICM_H_
+#define ART_COMPILER_OPTIMIZING_LICM_H_
+
+#include "nodes.h"
+#include "optimization.h"
+
+namespace art {
+
+class SideEffectsAnalysis;
+
+class LICM : public HOptimization {
+ public:
+  LICM(HGraph* graph, const SideEffectsAnalysis& side_effects)
+      : HOptimization(graph, true, kLoopInvariantCodeMotionPassName), side_effects_(side_effects) {}
+
+  void Run() OVERRIDE;
+
+ private:
+  const SideEffectsAnalysis& side_effects_;
+
+  DISALLOW_COPY_AND_ASSIGN(LICM);
+};
+
+}  // namespace art
+
+#endif  // ART_COMPILER_OPTIMIZING_LICM_H_