Allow dispatch to use a range of Class-ids in 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 2759 matching lines @@
                                const ICData& ic_data,
                                bool with_checks,
                                bool complete)
       : TemplateDefinition(instance_call->deopt_id()),
         instance_call_(instance_call),
         ic_data_(ic_data),
         with_checks_(with_checks),
         complete_(complete) {
     ASSERT(instance_call_ != NULL);
     ASSERT(!ic_data.NumberOfChecksIs(0));
+    InitializeIcCount();
   }
 
   InstanceCallInstr* instance_call() const { return instance_call_; }
   bool with_checks() const { return with_checks_; }
   void set_with_checks(bool b) { with_checks_ = b; }
   bool complete() const { return complete_; }
   virtual TokenPosition token_pos() const {
     return instance_call_->token_pos();
   }
 
   virtual CompileType ComputeType() const;
 
   virtual intptr_t ArgumentCount() const {
     return instance_call()->ArgumentCount();
   }
   virtual PushArgumentInstr* PushArgumentAt(intptr_t index) const {
     return instance_call()->PushArgumentAt(index);
   }
 
   bool HasSingleRecognizedTarget() const;
 
   virtual intptr_t CallCount() const { return ic_data().AggregateCount(); }
 
   DECLARE_INSTRUCTION(PolymorphicInstanceCall)
 
   const ICData& ic_data() const { return ic_data_; }
 
+  intptr_t total_ic_count() { return total_ic_count_; }

[Vyacheslav Egorov (Google), 2017/03/10 10:31:30]

This is an extremely confusing name. We need:

(a) a better name
(b) some comments on why this is needed as opposed to CallCount() above.

Please rearrange members in such a way that CallCount() and total_ic_count are
next to each other.

[erikcorry, 2017/03/10 13:30:01]

Done.

+
+  void set_total_ic_count(intptr_t count) { total_ic_count_ = count; }
+
   virtual bool CanDeoptimize() const { return true; }
 
   virtual EffectSet Effects() const { return EffectSet::All(); }
 
   virtual Definition* Canonicalize(FlowGraph* graph);
 
   static RawType* ComputeRuntimeType(const ICData& ic_data);
 
   PRINT_OPERANDS_TO_SUPPORT
 
  private:
   InstanceCallInstr* instance_call_;
   const ICData& ic_data_;
   bool with_checks_;
   const bool complete_;
+  intptr_t total_ic_count_;
+
+  void InitializeIcCount();
 
   DISALLOW_COPY_AND_ASSIGN(PolymorphicInstanceCallInstr);
 };
 
 
 class StrictCompareInstr : public TemplateComparison<2, NoThrow, Pure> {
  public:
   StrictCompareInstr(TokenPosition token_pos,
                      Token::Kind kind,
                      Value* left,
@@ skipping 5194 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_