Adds support for collecting statistics about code and its metadata.

src/compiler.cc

 // Copyright 2012 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.
 
 #include "src/compiler.h"
 
 #include <algorithm>
 
 #include "src/ast/ast-numbering.h"
 #include "src/ast/prettyprinter.h"
@@ skipping 427 matching lines @@
   if (info->shared_info()->is_toplevel()) {
     Vector<const char> filter = CStrVector(FLAG_ignition_filter);
     return (filter.length() == 0) || (filter.length() == 1 && filter[0] == '*');
   }
 
   // Finally respect the filter.
   return info->shared_info()->PassesFilter(FLAG_ignition_filter);
 }
 
 int CodeAndMetadataSize(CompilationInfo* info) {
-  int size = 0;
   if (info->has_bytecode_array()) {
-    Handle<BytecodeArray> bytecode_array = info->bytecode_array();
-    size += bytecode_array->BytecodeArraySize();
-    size += bytecode_array->constant_pool()->Size();
-    size += bytecode_array->handler_table()->Size();
-    size += bytecode_array->source_position_table()->Size();
-  } else {
-    Handle<Code> code = info->code();
-    size += code->CodeSize();
-    size += code->relocation_info()->Size();
-    size += code->deoptimization_data()->Size();
-    size += code->handler_table()->Size();
+    return info->bytecode_array()->SizeIncludingMetadata();
   }
-  return size;
+  return info->code()->SizeIncludingMetadata();
 }
 
 bool GenerateUnoptimizedCode(CompilationInfo* info) {
   bool success;
   EnsureFeedbackVector(info);
   if (FLAG_validate_asm && info->scope()->asm_module()) {
     AsmTyper typer(info->isolate(), info->zone(), *(info->script()),
                    info->literal());
     if (FLAG_enable_simd_asmjs) {
       typer.set_allow_simd(true);
@@ skipping 1283 matching lines @@
     MaybeHandle<Code> code;
     if (cached.code != nullptr) code = handle(cached.code);
     Handle<Context> native_context(function->context()->native_context());
     SharedFunctionInfo::AddToOptimizedCodeMap(shared, native_context, code,
                                               literals, BailoutId::None());
   }
 }
 
 }  // namespace internal
 }  // namespace v8