Added flag --inline_smi_string_hashcode and --inline_smi_string_hashcode_ratio to decide when/if sh…

runtime/vm/object.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 VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 1942 matching lines @@
   // Returns this->raw() if num_args_tested == 1 and arg_nr == 1, otherwise
   // returns a new ICData object containing only unique arg_nr checks.
   // Returns only used entries.
   RawICData* AsUnaryClassChecksForArgNr(intptr_t arg_nr) const;
   RawICData* AsUnaryClassChecks() const {
     return AsUnaryClassChecksForArgNr(0);
   }
   RawICData* AsUnaryClassChecksForCid(
       intptr_t cid, const Function& target) const;
 
+  // Returns ICData with aggregated receiver count, sorted by highest count.
+  // Smi not first!! Used for printing and optimizations.

[zra, 2016/04/27 16:28:17]

Could you explain a bit more what "Smi not first" means? 

[srdjan, 2016/04/27 18:10:22]

Added comment that the convention for ICData used in code generation is that Smi
check is first.

+  RawICData* AsUnaryClassChecksSortedByCount() const;
+
   // Consider only used entries.
   bool AllTargetsHaveSameOwner(intptr_t owner_cid) const;
   bool AllReceiversAreNumbers() const;
   bool HasOneTarget() const;
   bool HasReceiverClassId(intptr_t class_id) const;
 
   static RawICData* New(const Function& owner,
                         const String& target_name,
                         const Array& arguments_descriptor,
                         intptr_t deopt_id,
@@ skipping 6528 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_