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src/compiler/simplified-lowering.h

Index: src/compiler/simplified-lowering.h
diff --git a/src/compiler/simplified-lowering.h b/src/compiler/simplified-lowering.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_SIMPLIFIED_LOWERING_H_
+#define V8_COMPILER_SIMPLIFIED_LOWERING_H_
+
+#include "src/compiler/graph-reducer.h"
+#include "src/compiler/js-graph.h"
+#include "src/compiler/lowering-builder.h"
+#include "src/compiler/machine-operator.h"
+#include "src/compiler/node.h"
+#include "src/compiler/simplified-operator.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+class SimplifiedLowering : public LoweringBuilder {
+ public:
+  explicit SimplifiedLowering(JSGraph* jsgraph,
+                              SourcePositionTable* source_positions)
+      : LoweringBuilder(jsgraph->graph(), source_positions),
+        jsgraph_(jsgraph),
+        machine_(jsgraph->zone()) {}
+  virtual ~SimplifiedLowering() {}
+
+  virtual void Lower(Node* node);
+
+ private:
+  JSGraph* jsgraph_;
+  MachineOperatorBuilder machine_;
+
+  Node* DoChangeTaggedToInt32(Node* node, Node* effect, Node* control);
+  Node* DoChangeTaggedToUint32(Node* node, Node* effect, Node* control);
+  Node* DoChangeTaggedToFloat64(Node* node, Node* effect, Node* control);
+  Node* DoChangeInt32ToTagged(Node* node, Node* effect, Node* control);
+  Node* DoChangeUint32ToTagged(Node* node, Node* effect, Node* control);
+  Node* DoChangeFloat64ToTagged(Node* node, Node* effect, Node* control);
+  Node* DoChangeBoolToBit(Node* node, Node* effect, Node* control);
+  Node* DoChangeBitToBool(Node* node, Node* effect, Node* control);
+  Node* DoLoadField(Node* node, Node* effect, Node* control);
+  Node* DoStoreField(Node* node, Node* effect, Node* control);
+  Node* DoLoadElement(Node* node, Node* effect, Node* control);
+  Node* DoStoreElement(Node* node, Node* effect, Node* control);
+
+  Node* ComputeIndex(const ElementAccess& access, Node* index);
+
+  Zone* zone() { return jsgraph_->zone(); }
+  JSGraph* jsgraph() { return jsgraph_; }
+  Graph* graph() { return jsgraph()->graph(); }
+  CommonOperatorBuilder* common() { return jsgraph()->common(); }
+  MachineOperatorBuilder* machine() { return &machine_; }
+};
+
+}  // namespace compiler
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_COMPILER_SIMPLIFIED_LOWERING_H_