Record call counts also for megamorphic calls.

src/interpreter/interpreter-assembler.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_INTERPRETER_INTERPRETER_ASSEMBLER_H_
 #define V8_INTERPRETER_INTERPRETER_ASSEMBLER_H_
 
 #include "src/allocation.h"
 #include "src/builtins/builtins.h"
 #include "src/code-stub-assembler.h"
@@ skipping 74 matching lines @@
   compiler::Node* LoadContextSlot(compiler::Node* context,
                                   compiler::Node* slot_index);
   // Stores |value| into |slot_index| of |context|.
   compiler::Node* StoreContextSlot(compiler::Node* context,
                                    compiler::Node* slot_index,
                                    compiler::Node* value);
 
   // Load the TypeFeedbackVector for the current function.
   compiler::Node* LoadTypeFeedbackVector();
 
+  // Increment the call count for a CALL_IC or construct call.
+  // The call count is located at feedback_vector[slot_id + 1].
+  compiler::Node* IncrementCallCount(compiler::Node* type_feedback_vector,
+                                     compiler::Node* slot_id);
+
   // Call JSFunction or Callable |function| with |arg_count|
   // arguments (not including receiver) and the first argument
   // located at |first_arg|. Type feedback is collected in the
   // slot at index |slot_id|.
   compiler::Node* CallJSWithFeedback(compiler::Node* function,
                                      compiler::Node* context,
                                      compiler::Node* first_arg,
                                      compiler::Node* arg_count,
                                      compiler::Node* slot_id,
                                      compiler::Node* type_feedback_vector,
@@ skipping 186 matching lines @@
   compiler::Node* stack_pointer_before_call_;
 
   DISALLOW_COPY_AND_ASSIGN(InterpreterAssembler);
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_INTERPRETER_ASSEMBLER_H_