[runtime] Refine runtime call stats for IC misses.

src/ic/ic-compiler.cc

 // Copyright 2014 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/ic/ic-compiler.h"
 
 #include "src/ic/handler-compiler.h"
 #include "src/ic/ic-inl.h"
 #include "src/profiler/cpu-profiler.h"
 
 
 namespace v8 {
 namespace internal {
 
 
 Handle<Code> PropertyICCompiler::ComputeKeyedLoadMonomorphicHandler(
     Handle<Map> receiver_map, ExtraICState extra_ic_state) {
   Isolate* isolate = receiver_map->GetIsolate();
   bool is_js_array = receiver_map->instance_type() == JS_ARRAY_TYPE;
   ElementsKind elements_kind = receiver_map->elements_kind();
 
   // No need to check for an elements-free prototype chain here, the generated
   // stub code needs to check that dynamically anyway.
   bool convert_hole_to_undefined =
       is_js_array && elements_kind == FAST_HOLEY_ELEMENTS &&
       *receiver_map == isolate->get_initial_js_array_map(elements_kind);
   Handle<Code> stub;
   if (receiver_map->has_indexed_interceptor()) {
+    TRACE_HANDLER_STATS(isolate, KeyedLoadIC_LoadIndexedInterceptorStub);
     stub = LoadIndexedInterceptorStub(isolate).GetCode();
   } else if (receiver_map->IsStringMap()) {
+    TRACE_HANDLER_STATS(isolate, KeyedLoadIC_LoadIndexedStringStub);
     stub = LoadIndexedStringStub(isolate).GetCode();
   } else if (receiver_map->has_sloppy_arguments_elements()) {
+    TRACE_HANDLER_STATS(isolate, KeyedLoadIC_KeyedLoadSloppyArgumentsStub);
     stub = KeyedLoadSloppyArgumentsStub(isolate).GetCode();
   } else if (receiver_map->has_fast_elements() ||
              receiver_map->has_fixed_typed_array_elements()) {
+    TRACE_HANDLER_STATS(isolate, KeyedLoadIC_LoadFastElementStub);
     stub = LoadFastElementStub(isolate, is_js_array, elements_kind,
                                convert_hole_to_undefined).GetCode();
   } else {
     DCHECK(receiver_map->has_dictionary_elements());
+    TRACE_HANDLER_STATS(isolate, KeyedLoadIC_LoadDictionaryElementStub);
     stub = LoadDictionaryElementStub(isolate, LoadICState(extra_ic_state))
                .GetCode();
   }
   return stub;
 }
 
 Handle<Code> PropertyICCompiler::ComputeKeyedStoreMonomorphicHandler(
     Handle<Map> receiver_map, KeyedAccessStoreMode store_mode) {
   Isolate* isolate = receiver_map->GetIsolate();
 
@@ skipping 69 matching lines @@
 
 #define __ ACCESS_MASM(masm())
 
 
 Handle<Code> PropertyICCompiler::CompileKeyedStoreMonomorphicHandler(
     Handle<Map> receiver_map, KeyedAccessStoreMode store_mode) {
   ElementsKind elements_kind = receiver_map->elements_kind();
   bool is_jsarray = receiver_map->instance_type() == JS_ARRAY_TYPE;
   Handle<Code> stub;
   if (receiver_map->has_sloppy_arguments_elements()) {
+    TRACE_HANDLER_STATS(isolate(), KeyedStoreIC_KeyedStoreSloppyArgumentsStub);
     stub = KeyedStoreSloppyArgumentsStub(isolate(), store_mode).GetCode();
   } else if (receiver_map->has_fast_elements() ||
              receiver_map->has_fixed_typed_array_elements()) {
+    TRACE_HANDLER_STATS(isolate(), KeyedStoreIC_StoreFastElementStub);
     stub = StoreFastElementStub(isolate(), is_jsarray, elements_kind,
                                 store_mode).GetCode();
   } else {
+    TRACE_HANDLER_STATS(isolate(), KeyedStoreIC_StoreElementStub);
     stub = StoreElementStub(isolate(), elements_kind, store_mode).GetCode();
   }
   return stub;
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8