Index: src/compiler/js-context-specialization.h |
diff --git a/src/compiler/js-context-specialization.h b/src/compiler/js-context-specialization.h |
new file mode 100644 |
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+++ b/src/compiler/js-context-specialization.h |
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+// Copyright 2014 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_CONTEXT_SPECIALIZATION_H_ |
+#define V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_ |
+ |
+#include "src/compiler/graph-reducer.h" |
+#include "src/compiler/js-graph.h" |
+#include "src/contexts.h" |
+#include "src/v8.h" |
+ |
+namespace v8 { |
+namespace internal { |
+namespace compiler { |
+ |
+// Specializes a given JSGraph to a given context, potentially constant folding |
+// some {LoadContext} nodes. |
+class JSContextSpecializer { |
+ public: |
+ JSContextSpecializer(CompilationInfo* info, JSGraph* jsgraph, Node* context) |
+ : info_(info), jsgraph_(jsgraph), context_(context) {} |
+ |
+ void SpecializeToContext(); |
+ Reduction ReduceJSLoadContext(Node* node); |
+ |
+ private: |
+ CompilationInfo* info_; |
+ JSGraph* jsgraph_; |
+ Node* context_; |
+}; |
+} |
+} |
+} // namespace v8::internal::compiler |
+ |
+#endif // V8_COMPILER_JS_CONTEXT_SPECIALIZATION_H_ |