Store arguments descriptor in ICData. Remove loading of arguments descriptor at unoptimized call si…

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 3165 matching lines @@
 class ICData : public Object {
  public:
   RawFunction* function() const {
     return raw_ptr()->function_;
   }
 
   RawString* target_name() const {
     return raw_ptr()->target_name_;
   }
 
+  RawArray* arguments_descriptor() const {
+    return raw_ptr()->args_descriptor_;
+  }
+
   intptr_t num_args_tested() const {
     return raw_ptr()->num_args_tested_;
   }
 
   intptr_t deopt_id() const {
     return raw_ptr()->deopt_id_;
   }
 
   intptr_t deopt_reason() const {
     return raw_ptr()->deopt_reason_;
@@ skipping 14 matching lines @@
   }
 
   static intptr_t target_name_offset() {
     return OFFSET_OF(RawICData, target_name_);
   }
 
   static intptr_t num_args_tested_offset() {
     return OFFSET_OF(RawICData, num_args_tested_);
   }
 
+  static intptr_t arguments_descriptor_offset() {
+    return OFFSET_OF(RawICData, args_descriptor_);
+  }
+
   static intptr_t ic_data_offset() {
     return OFFSET_OF(RawICData, ic_data_);
   }
 
   static intptr_t function_offset() {
     return OFFSET_OF(RawICData, function_);
   }
 
   static intptr_t is_closure_call_offset() {
     return OFFSET_OF(RawICData, is_closure_call_);
@@ skipping 37 matching lines @@
     return AsUnaryClassChecksForArgNr(0);
   }
 
   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& caller_function,
                         const String& target_name,
+                        const Array& arguments_descriptor,
                         intptr_t deopt_id,
                         intptr_t num_args_tested);
 
   static intptr_t TestEntryLengthFor(intptr_t num_args);
 
   static intptr_t TargetIndexFor(intptr_t num_args) {
     return num_args;
   }
 
   static intptr_t CountIndexFor(intptr_t num_args) {
     return (num_args + 1);
   }
 
  private:
   RawArray* ic_data() const {
     return raw_ptr()->ic_data_;
   }
 
   void set_function(const Function& value) const;
   void set_target_name(const String& value) const;
+  void set_arguments_descriptor(const Array& value) const;
   void set_deopt_id(intptr_t value) const;
   void set_num_args_tested(intptr_t value) const;
   void set_ic_data(const Array& value) const;
 
 #if defined(DEBUG)
   // Used in asserts to verify that a check is not added twice.
   bool HasCheck(const GrowableArray<intptr_t>& cids) const;
 #endif  // DEBUG
 
   intptr_t TestEntryLength() const;
@@ skipping 2614 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_