[Interpreter] Collect type feedback for calls in the bytecode handler

src/interpreter/bytecode-array-builder.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_BYTECODE_ARRAY_BUILDER_H_
 #define V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_
 
 #include "src/ast/ast.h"
 #include "src/interpreter/bytecode-array-writer.h"
 #include "src/interpreter/bytecode-register-allocator.h"
@@ skipping 134 matching lines @@
   // Push the context in accumulator as the new context, and store in register
   // |context|.
   BytecodeArrayBuilder& PushContext(Register context);
 
   // Pop the current context and replace with |context|.
   BytecodeArrayBuilder& PopContext(Register context);
 
   // Call a JS function. The JSFunction or Callable to be called should be in
   // |callable|, the receiver should be in |receiver_args| and all subsequent
   // arguments should be in registers <receiver_args + 1> to
-  // <receiver_args + receiver_arg_count - 1>.
+  // <receiver_args + receiver_arg_count - 1>. Type feedback is recorded in
+  // the |feedback_slot| in the type feedback vector.
   BytecodeArrayBuilder& Call(
       Register callable, Register receiver_args, size_t receiver_arg_count,
       int feedback_slot, TailCallMode tail_call_mode = TailCallMode::kDisallow);
 
   BytecodeArrayBuilder& TailCall(Register callable, Register receiver_args,
                                  size_t receiver_arg_count, int feedback_slot) {
     return Call(callable, receiver_args, receiver_arg_count, feedback_slot,
                 TailCallMode::kAllow);
   }
 
@@ skipping 201 matching lines @@
   BytecodeSourceInfo latest_source_info_;
 
   DISALLOW_COPY_AND_ASSIGN(BytecodeArrayBuilder);
 };
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_