Refactor the IL for object allocation with type arguments.

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 3692 matching lines @@
 
   const Class& cls_;
   const ZoneGrowableArray<const Field*>& fields_;
   ZoneGrowableArray<Value*>* values_;
   Location* locations_;
 
   DISALLOW_COPY_AND_ASSIGN(MaterializeObjectInstr);
 };
 
 
-class AllocateObjectWithBoundsCheckInstr : public TemplateDefinition<2> {
+class AllocateObjectWithBoundsCheckInstr : public TemplateDefinition<0> {
  public:
-  AllocateObjectWithBoundsCheckInstr(ConstructorCallNode* node,
-                                     Value* type_arguments,
-                                     Value* instantiator)
+  explicit AllocateObjectWithBoundsCheckInstr(ConstructorCallNode* node)
       : ast_node_(*node) {
-    SetInputAt(0, type_arguments);
-    SetInputAt(1, instantiator);
   }
 
   DECLARE_INSTRUCTION(AllocateObjectWithBoundsCheck)
 
+  virtual intptr_t ArgumentCount() const { return 4; }
+
   const Function& constructor() const { return ast_node_.constructor(); }
   intptr_t token_pos() const { return ast_node_.token_pos(); }
 
   virtual void PrintOperandsTo(BufferFormatter* f) const;
 
   virtual bool CanDeoptimize() const { return true; }
 
   virtual EffectSet Effects() const { return EffectSet::None(); }
 
   virtual bool MayThrow() const { return false; }
@@ skipping 2670 matching lines @@
   ForwardInstructionIterator* current_iterator_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FlowGraphVisitor);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_