Upgrade V8 to version 4.9.385.28
https://chromium.googlesource.com/v8/v8/+/4.9.385.28
FPIIM-449
Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/src/compiler/loop-peeling.h b/src/compiler/loop-peeling.h
new file mode 100644
index 0000000..ea963b0
--- /dev/null
+++ b/src/compiler/loop-peeling.h
@@ -0,0 +1,43 @@
+// Copyright 2015 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_LOOP_PEELING_H_
+#define V8_COMPILER_LOOP_PEELING_H_
+
+#include "src/compiler/loop-analysis.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+// Represents the output of peeling a loop, which is basically the mapping
+// from the body of the loop to the corresponding nodes in the peeled
+// iteration.
+class PeeledIteration : public ZoneObject {
+ public:
+ // Maps {node} to its corresponding copy in the peeled iteration, if
+ // the node was part of the body of the loop. Returns {node} otherwise.
+ Node* map(Node* node);
+
+ protected:
+ PeeledIteration() {}
+};
+
+class CommonOperatorBuilder;
+
+// Implements loop peeling.
+class LoopPeeler {
+ public:
+ static bool CanPeel(LoopTree* loop_tree, LoopTree::Loop* loop);
+ static PeeledIteration* Peel(Graph* graph, CommonOperatorBuilder* common,
+ LoopTree* loop_tree, LoopTree::Loop* loop,
+ Zone* tmp_zone);
+};
+
+
+} // namespace compiler
+} // namespace internal
+} // namespace v8
+
+#endif // V8_COMPILER_LOOP_PEELING_H_