Deprecte LoweringBuilder in favor of Reducer.

src/compiler/js-generic-lowering.h

 // 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_GENERIC_LOWERING_H_
 #define V8_COMPILER_JS_GENERIC_LOWERING_H_
 
 #include "src/v8.h"
 
 #include "src/allocation.h"
 #include "src/compiler/graph.h"
+#include "src/compiler/graph-reducer.h"
 #include "src/compiler/js-graph.h"
-#include "src/compiler/lowering-builder.h"
 #include "src/compiler/opcodes.h"
 #include "src/unique.h"
 
 namespace v8 {
 namespace internal {
 
 // Forward declarations.
 class HydrogenCodeStub;
 
 namespace compiler {
 
 // Forward declarations.
 class CommonOperatorBuilder;
 class MachineOperatorBuilder;
 class Linkage;
 
 // Lowers JS-level operators to runtime and IC calls in the "generic" case.
-class JSGenericLowering : public LoweringBuilder {
+class JSGenericLowering : public Reducer {
  public:
   JSGenericLowering(CompilationInfo* info, JSGraph* graph,
-                    MachineOperatorBuilder* machine,
-                    SourcePositionTable* source_positions);
+                    MachineOperatorBuilder* machine);
   virtual ~JSGenericLowering() {}
 
-  virtual void Lower(Node* node);
+  virtual Reduction Reduce(Node* node);
 
  protected:
 // Dispatched depending on opcode.
 #define DECLARE_LOWER(x) Node* Lower##x(Node* node);
   ALL_OP_LIST(DECLARE_LOWER)
 #undef DECLARE_LOWER
 
   // Helpers to create new constant nodes.
   Node* SmiConstant(int immediate);
   Node* Int32Constant(int immediate);
@@ skipping 25 matching lines @@
   JSGraph* jsgraph_;
   Linkage* linkage_;
   MachineOperatorBuilder* machine_;
   SetOncePointer<Node> centrystub_constant_;
 };
 }
 }
 }  // namespace v8::internal::compiler
 
 #endif  // V8_COMPILER_JS_GENERIC_LOWERING_H_