VM: Remove unecessary dead code from flow-graph builder.

runtime/vm/intermediate_language.h

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_INTERMEDIATE_LANGUAGE_H_
 #define VM_INTERMEDIATE_LANGUAGE_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/growable_array.h"
@@ skipping 3242 matching lines @@
                   ZoneGrowableArray<PushArgumentInstr*>* arguments,
                   const ZoneGrowableArray<const ICData*>& ic_data_array)
       : TemplateDefinition(Thread::Current()->GetNextDeoptId()),
         ic_data_(NULL),
         token_pos_(token_pos),
         function_(function),
         argument_names_(argument_names),
         arguments_(arguments),
         result_cid_(kDynamicCid),
         is_known_list_constructor_(false),
-        is_native_list_factory_(false),
         identity_(AliasIdentity::Unknown()) {
     ic_data_ = GetICData(ic_data_array);
     ASSERT(function.IsZoneHandle());
     ASSERT(argument_names.IsZoneHandle() ||  argument_names.InVMHeap());
   }
 
   StaticCallInstr(TokenPosition token_pos,
                   const Function& function,
                   const Array& argument_names,
                   ZoneGrowableArray<PushArgumentInstr*>* arguments,
                   intptr_t deopt_id)
       : TemplateDefinition(deopt_id),
         ic_data_(NULL),
         token_pos_(token_pos),
         function_(function),
         argument_names_(argument_names),
         arguments_(arguments),
         result_cid_(kDynamicCid),
         is_known_list_constructor_(false),
-        is_native_list_factory_(false),
         identity_(AliasIdentity::Unknown()) {
     ASSERT(function.IsZoneHandle());
     ASSERT(argument_names.IsZoneHandle() ||  argument_names.InVMHeap());
   }
 
   // ICData for static calls carries call count.
   const ICData* ic_data() const { return ic_data_; }
   bool HasICData() const {
     return (ic_data() != NULL) && !ic_data()->IsNull();
   }
@@ skipping 25 matching lines @@
 
   virtual EffectSet Effects() const { return EffectSet::All(); }
 
   void set_result_cid(intptr_t value) { result_cid_ = value; }
 
   bool is_known_list_constructor() const { return is_known_list_constructor_; }
   void set_is_known_list_constructor(bool value) {
     is_known_list_constructor_ = value;
   }
 
-  bool is_native_list_factory() const { return is_native_list_factory_; }
-  void set_is_native_list_factory(bool value) {
-    is_native_list_factory_ = value;
-  }
-
   bool IsRecognizedFactory() const {
-    return is_known_list_constructor() || is_native_list_factory();
+    return is_known_list_constructor();
   }
 
   virtual AliasIdentity Identity() const { return identity_; }
   virtual void SetIdentity(AliasIdentity identity) { identity_ = identity; }
 
   PRINT_OPERANDS_TO_SUPPORT
 
  private:
   const ICData* ic_data_;
   const TokenPosition token_pos_;
   const Function& function_;
   const Array& argument_names_;
   ZoneGrowableArray<PushArgumentInstr*>* arguments_;
   intptr_t result_cid_;  // For some library functions we know the result.
 
   // 'True' for recognized list constructors.
   bool is_known_list_constructor_;
-  bool is_native_list_factory_;
 
   AliasIdentity identity_;
 
   DISALLOW_COPY_AND_ASSIGN(StaticCallInstr);
 };
 
 
 class LoadLocalInstr : public TemplateDefinition<0, NoThrow> {
  public:
   LoadLocalInstr(const LocalVariable& local,
@@ skipping 4943 matching lines @@
   LocationSummary* Name::MakeLocationSummary(Zone* zone, bool opt) const {    \
     UNIMPLEMENTED();                                                          \
     return NULL;                                                              \
   }                                                                           \
   void Name::EmitNativeCode(FlowGraphCompiler* compiler) { UNIMPLEMENTED(); }
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_