Make BuildBinaryOperation use ReturnValue instead of ReturnInstruction.

src/hydrogen.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1320 matching lines @@
     store_map->SkipWriteBarrier();
     return store_map;
   }
   HLoadNamedField* AddLoadElements(HValue* object);
 
   bool MatchRotateRight(HValue* left,
                         HValue* right,
                         HValue** operand,
                         HValue** shift_amount);
 
-  HInstruction* BuildBinaryOperation(Token::Value op,
-                                     HValue* left,
-                                     HValue* right,
-                                     Handle<Type> left_type,
-                                     Handle<Type> right_type,
-                                     Handle<Type> result_type,
-                                     Maybe<int> fixed_right_arg,
-                                     bool binop_stub = false);
+  HValue* BuildBinaryOperation(Token::Value op,
+                               HValue* left,
+                               HValue* right,
+                               Handle<Type> left_type,
+                               Handle<Type> right_type,
+                               Handle<Type> result_type,
+                               Maybe<int> fixed_right_arg,
+                               bool binop_stub = false);
 
   HLoadNamedField* AddLoadFixedArrayLength(HValue *object);
 
   HValue* AddLoadJSBuiltin(Builtins::JavaScript builtin);
 
   HValue* EnforceNumberType(HValue* number, Handle<Type> expected);
   HValue* TruncateToNumber(HValue* value, Handle<Type>* expected);
 
   void FinishExitWithHardDeoptimization(const char* reason,
                                         HBasicBlock* continuation);
@@ skipping 908 matching lines @@
                                        Handle<String> name);
   void HandleLiteralCompareTypeof(CompareOperation* expr,
                                   Expression* sub_expr,
                                   Handle<String> check);
   void HandleLiteralCompareNil(CompareOperation* expr,
                                Expression* sub_expr,
                                NilValue nil);
 
   HInstruction* BuildStringCharCodeAt(HValue* string,
                                       HValue* index);
-  HInstruction* BuildBinaryOperation(BinaryOperation* expr,
-                                     HValue* left,
-                                     HValue* right);
+  HValue* BuildBinaryOperation(BinaryOperation* expr,
+                               HValue* left,
+                               HValue* right);
   HInstruction* BuildIncrement(bool returns_original_input,
                                CountOperation* expr);
   HInstruction* BuildLoadKeyedGeneric(HValue* object,
                                       HValue* key);
 
   HInstruction* TryBuildConsolidatedElementLoad(HValue* object,
                                                 HValue* key,
                                                 HValue* val,
                                                 SmallMapList* maps);
 
@@ skipping 287 matching lines @@
   }
 
  private:
   HGraphBuilder* builder_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_