Merge V8 5.3.332.45. DO NOT MERGE
Test: Manual
FPIIM-449
Change-Id: Id3254828b068abdea3cb10442e0172a8c9a98e03
(cherry picked from commit 13e2dadd00298019ed862f2b2fc5068bba730bcf)
diff --git a/src/compiler/checkpoint-elimination.h b/src/compiler/checkpoint-elimination.h
new file mode 100644
index 0000000..4d6aada
--- /dev/null
+++ b/src/compiler/checkpoint-elimination.h
@@ -0,0 +1,27 @@
+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef V8_COMPILER_CHECKPOINT_ELIMINATION_H_
+#define V8_COMPILER_CHECKPOINT_ELIMINATION_H_
+
+#include "src/compiler/graph-reducer.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+// Performs elimination of redundant checkpoints within the graph.
+class CheckpointElimination final : public AdvancedReducer {
+ public:
+ explicit CheckpointElimination(Editor* editor);
+ ~CheckpointElimination() final {}
+
+ Reduction Reduce(Node* node) final;
+};
+
+} // namespace compiler
+} // namespace internal
+} // namespace v8
+
+#endif // V8_COMPILER_CHECKPOINT_ELIMINATION_H_