VM-codegen: Add IL instruction to check if a Smi is in a constant range

runtime/vm/flow_graph_compiler.h

 // Copyright (c) 2012, 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_FLOW_GRAPH_COMPILER_H_
 #define RUNTIME_VM_FLOW_GRAPH_COMPILER_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 #include "vm/code_descriptors.h"
@@ skipping 587 matching lines @@
 
   void AddStubCallTarget(const Code& code);
 
   RawArray* edge_counters_array() const { return edge_counters_array_.raw(); }
 
   RawArray* InliningIdToFunction() const;
 
   void BeginCodeSourceRange();
   void EndCodeSourceRange(TokenPosition token_pos);
 
   static bool LookupMethodFor(int class_id,

[Vyacheslav Egorov (Google), 2017/06/28 13:53:47]

If possible please exclude abstract class change from this CL as it is not
directly related.

I would like to keep CL minimal (e.g. they solve one particular problem).

[erikcorry, 2017/07/03 08:59:55]

Done.

                               const String& name,
                               const ArgumentsDescriptor& args_desc,
-                              Function* fn_return);
+                              Function* fn_return,
+                              bool* class_is_abstract_return = NULL);
 
 #if defined(TARGET_ARCH_DBC)
   enum CallResult {
     kHasResult,
     kNoResult,
   };
   void RecordAfterCallHelper(TokenPosition token_pos,
                              intptr_t deopt_id,
                              intptr_t argument_count,
                              CallResult result,
@@ skipping 218 matching lines @@
   ZoneGrowableArray<const ICData*>* deopt_id_to_ic_data_;
 
   Array& edge_counters_array_;
 
   DISALLOW_COPY_AND_ASSIGN(FlowGraphCompiler);
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_FLOW_GRAPH_COMPILER_H_