Remove all functionality from class HSubgraph.

src/hydrogen.h

 // Copyright 2011 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 99 matching lines @@
   void set_parent_loop_header(HBasicBlock* block) {
     ASSERT(parent_loop_header_ == NULL);
     parent_loop_header_ = block;
   }
 
   bool HasParentLoopHeader() const { return parent_loop_header_ != NULL; }
 
   void SetJoinId(int id);
 
   void Finish(HControlInstruction* last);
+  void FinishExit(HControlInstruction* instruction);
   void Goto(HBasicBlock* block, bool include_stack_check = false);
 
   int PredecessorIndexOf(HBasicBlock* predecessor) const;
   void AddSimulate(int id) { AddInstruction(CreateSimulate(id)); }
   void AssignCommonDominator(HBasicBlock* other);
 
   // Add the inlined function exit sequence, adding an HLeaveInlined
   // instruction and updating the bailout environment.
   void AddLeaveInlined(HValue* return_value, HBasicBlock* target);
 
@@ skipping 69 matching lines @@
         exit_block_(NULL) {
   }
 
   HGraph* graph() const { return graph_; }
   HBasicBlock* entry_block() const { return entry_block_; }
   HBasicBlock* exit_block() const { return exit_block_; }
   void set_exit_block(HBasicBlock* block) {
     exit_block_ = block;
   }
 
-  void PreProcessOsrEntry(IterationStatement* statement);
-
-  void AppendJoin(HBasicBlock* first, HBasicBlock* second, int join_id);
-  void AppendWhile(IterationStatement* statement,
-                   HBasicBlock* condition_entry,
-                   HBasicBlock* exit_block,
-                   HBasicBlock* body_exit,
-                   HBasicBlock* break_block,
-                   HBasicBlock* loop_entry,
-                   HBasicBlock* loop_exit);
-  void AppendDoWhile(IterationStatement* statement,
-                     HBasicBlock* body_entry,
-                     HBasicBlock* go_back,
-                     HBasicBlock* exit_block,
-                     HBasicBlock* break_block);
-  void AppendEndless(IterationStatement* statement,
-                     HBasicBlock* body_entry,
-                     HBasicBlock* body_exit,
-                     HBasicBlock* break_block);
-  void Append(BreakableStatement* stmt,
-              HBasicBlock* entry_block,
-              HBasicBlock* exit_block,
-              HBasicBlock* break_block);
-  void ResolveContinue(IterationStatement* statement,
-                       HBasicBlock* continue_block);
-  HBasicBlock* JoinBlocks(HBasicBlock* a, HBasicBlock* b, int id);
-
-  void FinishExit(HControlInstruction* instruction);
   void Initialize(HBasicBlock* block) {
     ASSERT(entry_block_ == NULL);
     entry_block_ = block;
     exit_block_ = block;
   }
 
  protected:
   HGraph* graph_;  // The graph this is a subgraph of.
   HBasicBlock* entry_block_;
   HBasicBlock* exit_block_;
@@ skipping 444 matching lines @@
   // Generators for inline runtime functions.
 #define INLINE_FUNCTION_GENERATOR_DECLARATION(Name, argc, ressize)      \
   void Generate##Name(CallRuntime* call);
 
   INLINE_FUNCTION_LIST(INLINE_FUNCTION_GENERATOR_DECLARATION)
   INLINE_RUNTIME_FUNCTION_LIST(INLINE_FUNCTION_GENERATOR_DECLARATION)
 #undef INLINE_FUNCTION_GENERATOR_DECLARATION
 
   void Bailout(const char* reason);
 
-  void AppendPeeledWhile(IterationStatement* stmt,
-                         HBasicBlock* condition_entry,
-                         HBasicBlock* exit_block,
-                         HBasicBlock* body_exit,
-                         HBasicBlock* break_block);
+  void PreProcessOsrEntry(IterationStatement* statement);
+
+  HBasicBlock* CreateJoin(HBasicBlock* first,
+                          HBasicBlock* second,
+                          int join_id);
+  HBasicBlock* CreateWhile(IterationStatement* statement,
+                           HBasicBlock* condition_entry,
+                           HBasicBlock* exit_block,
+                           HBasicBlock* body_exit,
+                           HBasicBlock* break_block,
+                           HBasicBlock* loop_entry,
+                           HBasicBlock* loop_exit);
+  HBasicBlock* CreateDoWhile(IterationStatement* statement,
+                             HBasicBlock* body_entry,
+                             HBasicBlock* go_back,
+                             HBasicBlock* exit_block,
+                             HBasicBlock* break_block);
+  HBasicBlock* CreateEndless(IterationStatement* statement,
+                             HBasicBlock* body_entry,
+                             HBasicBlock* body_exit,
+                             HBasicBlock* break_block);
+  HBasicBlock* CreatePeeledWhile(IterationStatement* stmt,
+                                 HBasicBlock* condition_entry,
+                                 HBasicBlock* exit_block,
+                                 HBasicBlock* body_exit,
+                                 HBasicBlock* break_block);
+  HBasicBlock* JoinContinue(IterationStatement* statement,
+                            HBasicBlock* exit_block,
+                            HBasicBlock* continue_block);
+
 
   void AddToSubgraph(HSubgraph* graph, ZoneList<Statement*>* stmts);
   void AddToSubgraph(HSubgraph* graph, Statement* stmt);
   void AddToSubgraph(HSubgraph* graph, Expression* expr);
 
   HValue* Top() const { return environment()->Top(); }
   void Drop(int n) { environment()->Drop(n); }
   void Bind(Variable* var, HValue* value) { environment()->Bind(var, value); }
 
   void VisitForValue(Expression* expr);
@@ skipping 375 matching lines @@
   const char* filename_;
   HeapStringAllocator string_allocator_;
   StringStream trace_;
   int indent_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_