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/js-call-reducer.h b/src/compiler/js-call-reducer.h
new file mode 100644
index 0000000..9ffae15
--- /dev/null
+++ b/src/compiler/js-call-reducer.h
@@ -0,0 +1,67 @@
+// 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_JS_CALL_REDUCER_H_
+#define V8_COMPILER_JS_CALL_REDUCER_H_
+
+#include "src/base/flags.h"
+#include "src/compiler/graph-reducer.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+// Forward declarations.
+class CommonOperatorBuilder;
+class JSGraph;
+class JSOperatorBuilder;
+
+
+// Performs strength reduction on {JSCallConstruct} and {JSCallFunction} nodes,
+// which might allow inlining or other optimizations to be performed afterwards.
+class JSCallReducer final : public Reducer {
+ public:
+ // Flags that control the mode of operation.
+ enum Flag {
+ kNoFlags = 0u,
+ kDeoptimizationEnabled = 1u << 0,
+ };
+ typedef base::Flags<Flag> Flags;
+
+ JSCallReducer(JSGraph* jsgraph, Flags flags,
+ MaybeHandle<Context> native_context)
+ : jsgraph_(jsgraph), flags_(flags), native_context_(native_context) {}
+
+ Reduction Reduce(Node* node) final;
+
+ private:
+ Reduction ReduceArrayConstructor(Node* node);
+ Reduction ReduceNumberConstructor(Node* node);
+ Reduction ReduceFunctionPrototypeApply(Node* node);
+ Reduction ReduceFunctionPrototypeCall(Node* node);
+ Reduction ReduceJSCallConstruct(Node* node);
+ Reduction ReduceJSCallFunction(Node* node);
+
+ MaybeHandle<Context> GetNativeContext(Node* node);
+
+ Graph* graph() const;
+ Flags flags() const { return flags_; }
+ JSGraph* jsgraph() const { return jsgraph_; }
+ Isolate* isolate() const;
+ MaybeHandle<Context> native_context() const { return native_context_; }
+ CommonOperatorBuilder* common() const;
+ JSOperatorBuilder* javascript() const;
+
+ JSGraph* const jsgraph_;
+ Flags const flags_;
+ MaybeHandle<Context> const native_context_;
+};
+
+DEFINE_OPERATORS_FOR_FLAGS(JSCallReducer::Flags)
+
+} // namespace compiler
+} // namespace internal
+} // namespace v8
+
+#endif // V8_COMPILER_JS_CALL_REDUCER_H_