Implement instance field guards for kernel-based FlowGraphBuilder

runtime/vm/kernel_to_il.h

 // Copyright (c) 2016, 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_KERNEL_TO_IL_H_
 #define RUNTIME_VM_KERNEL_TO_IL_H_
 
 #include "vm/growable_array.h"
 #include "vm/hash_map.h"
 
@@ skipping 690 matching lines @@
   Fragment InitStaticField(const dart::Field& field);
   Fragment LoadStaticField();
   Fragment NullConstant();
   Fragment NativeCall(const dart::String* name, const Function* function);
   Fragment PushArgument();
   Fragment Return();
   Fragment StaticCall(const Function& target, intptr_t argument_count);
   Fragment StaticCall(const Function& target, intptr_t argument_count,
                       const Array& argument_names);
   Fragment StoreIndexed(intptr_t class_id);
+  Fragment StoreInstanceFieldGuarded(const dart::Field& field);
   Fragment StoreInstanceField(const dart::Field& field);
   Fragment StoreInstanceField(intptr_t offset);
   Fragment StoreLocal(LocalVariable* variable);
   Fragment StoreStaticField(const dart::Field& field);
   Fragment StringInterpolate();
   Fragment ThrowTypeError();
   Fragment ThrowNoSuchMethodError();
   Fragment BuildImplicitClosureCreation(const Function& target);
+  Fragment GuardFieldLength(const dart::Field& field, intptr_t deopt_id);
+  Fragment GuardFieldClass(const dart::Field& field, intptr_t deopt_id);
 
   dart::RawFunction* LookupMethodByMember(Member* target,
                                           const dart::String& method_name);
 
   LocalVariable* MakeTemporary();
   LocalVariable* MakeNonTemporary(const dart::String& symbol);
 
   intptr_t CurrentTryIndex();
   intptr_t AllocateTryIndex() { return next_used_try_index_++; }
 
@@ skipping 101 matching lines @@
   friend class SwitchBlock;
   friend class TryCatchBlock;
   friend class TryFinallyBlock;
 };
 
 }  // namespace kernel
 }  // namespace dart
 
 
 #endif  // RUNTIME_VM_KERNEL_TO_IL_H_