VM: Simplify lowering of is-tests.

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 RUNTIME_VM_INTERMEDIATE_LANGUAGE_H_
 #define RUNTIME_VM_INTERMEDIATE_LANGUAGE_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/growable_array.h"
@@ skipping 3929 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(BooleanNegateInstr);
 };
 
 
 class InstanceOfInstr : public TemplateDefinition<2, Throws> {
  public:
   InstanceOfInstr(TokenPosition token_pos,
                   Value* value,
                   Value* instantiator_type_arguments,
                   const AbstractType& type,
-                  bool negate_result,
                   intptr_t deopt_id)
-      : TemplateDefinition(deopt_id),
-        token_pos_(token_pos),
-        type_(type),
-        negate_result_(negate_result) {
+      : TemplateDefinition(deopt_id), token_pos_(token_pos), type_(type) {
     ASSERT(!type.IsNull());
     SetInputAt(0, value);
     SetInputAt(1, instantiator_type_arguments);
   }
 
   DECLARE_INSTRUCTION(InstanceOf)
   virtual CompileType ComputeType() const;
 
   Value* value() const { return inputs_[0]; }
   Value* instantiator_type_arguments() const { return inputs_[1]; }
 
-  bool negate_result() const { return negate_result_; }
   const AbstractType& type() const { return type_; }
   virtual TokenPosition token_pos() const { return token_pos_; }
 
   virtual bool CanDeoptimize() const { return true; }
 
   virtual EffectSet Effects() const { return EffectSet::None(); }
 
   PRINT_OPERANDS_TO_SUPPORT
 
  private:
   const TokenPosition token_pos_;
   Value* value_;
   Value* type_arguments_;
   const AbstractType& type_;
-  const bool negate_result_;
 
   DISALLOW_COPY_AND_ASSIGN(InstanceOfInstr);
 };
 
 
 class AllocateObjectInstr : public TemplateDefinition<0, NoThrow> {
  public:
   AllocateObjectInstr(TokenPosition token_pos,
                       const Class& cls,
                       ZoneGrowableArray<PushArgumentInstr*>* arguments)
@@ skipping 4041 matching lines @@
   LocationSummary* Name::MakeLocationSummary(Zone* zone, bool opt) const {     \
     UNIMPLEMENTED();                                                           \
     return NULL;                                                               \
   }                                                                            \
   void Name::EmitNativeCode(FlowGraphCompiler* compiler) { UNIMPLEMENTED(); }
 
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_INTERMEDIATE_LANGUAGE_H_