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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/feedback-vector.h" | 5 #include "src/feedback-vector.h" |
6 #include "src/code-stubs.h" | 6 #include "src/code-stubs.h" |
7 #include "src/feedback-vector-inl.h" | 7 #include "src/feedback-vector-inl.h" |
8 #include "src/ic/ic-inl.h" | 8 #include "src/ic/ic-inl.h" |
9 #include "src/ic/ic-state.h" | 9 #include "src/ic/ic-state.h" |
10 #include "src/objects.h" | 10 #include "src/objects.h" |
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1042 InlineCacheState CollectTypeProfileNexus::StateFromFeedback() const { | 1042 InlineCacheState CollectTypeProfileNexus::StateFromFeedback() const { |
1043 Isolate* isolate = GetIsolate(); | 1043 Isolate* isolate = GetIsolate(); |
1044 Object* const feedback = GetFeedback(); | 1044 Object* const feedback = GetFeedback(); |
1045 | 1045 |
1046 if (feedback == *FeedbackVector::UninitializedSentinel(isolate)) { | 1046 if (feedback == *FeedbackVector::UninitializedSentinel(isolate)) { |
1047 return UNINITIALIZED; | 1047 return UNINITIALIZED; |
1048 } | 1048 } |
1049 return MONOMORPHIC; | 1049 return MONOMORPHIC; |
1050 } | 1050 } |
1051 | 1051 |
1052 void CollectTypeProfileNexus::Collect(Handle<Name> type) { | 1052 void CollectTypeProfileNexus::Collect(Handle<Name> type, int position) { |
1053 Isolate* isolate = GetIsolate(); | 1053 Isolate* isolate = GetIsolate(); |
1054 | 1054 |
1055 Object* const feedback = GetFeedback(); | 1055 Object* const feedback = GetFeedback(); |
1056 Handle<ArrayList> types; | 1056 Handle<ArrayList> types; |
1057 | 1057 |
1058 if (feedback == *FeedbackVector::UninitializedSentinel(isolate)) { | 1058 if (feedback == *FeedbackVector::UninitializedSentinel(isolate)) { |
1059 types = ArrayList::New(isolate, 1); | 1059 types = ArrayList::New(isolate, 1); |
1060 } else { | 1060 } else { |
1061 types = Handle<ArrayList>(ArrayList::cast(feedback), isolate); | 1061 types = Handle<ArrayList>(ArrayList::cast(feedback), isolate); |
1062 } | 1062 } |
1063 | |
1064 Handle<Tuple2> entry = isolate->factory()->NewTuple2( | |
1065 type, Handle<Smi>(Smi::FromInt(position), isolate)); | |
1066 | |
1063 // TODO(franzih): Somehow sort this list. Either avoid duplicates | 1067 // TODO(franzih): Somehow sort this list. Either avoid duplicates |
1064 // or use the common base type. | 1068 // or use the common base type. |
1065 SetFeedback(*ArrayList::Add(types, type)); | 1069 SetFeedback(*ArrayList::Add(types, entry)); |
1066 } | 1070 } |
1067 | 1071 |
1068 void CollectTypeProfileNexus::Print() const { | 1072 void CollectTypeProfileNexus::Print() const { |
1069 Isolate* isolate = GetIsolate(); | 1073 Isolate* isolate = GetIsolate(); |
1070 | 1074 |
1071 Object* const feedback = GetFeedback(); | 1075 Object* const feedback = GetFeedback(); |
1072 | 1076 |
1073 if (feedback == *FeedbackVector::UninitializedSentinel(isolate)) { | 1077 if (feedback == *FeedbackVector::UninitializedSentinel(isolate)) { |
1074 return; | 1078 return; |
1075 } | 1079 } |
1076 | 1080 |
1077 Handle<ArrayList> list; | 1081 Handle<ArrayList> list; |
1078 list = Handle<ArrayList>(ArrayList::cast(feedback), isolate); | 1082 list = Handle<ArrayList>(ArrayList::cast(feedback), isolate); |
1079 | 1083 |
1080 for (int i = 0; i < list->Length(); i++) { | 1084 for (int i = 0; i < list->Length(); i++) { |
1081 String* name = String::cast(list->Get(i)); | 1085 Handle<Object> maybe_entry = Handle<Object>(list->Get(i), isolate); |
1082 PrintF("%s\n", name->ToCString().get()); | 1086 if (!maybe_entry->IsTuple2()) { |
Michael Starzinger
2017/03/20 17:12:32
The Handle<Tuple2>::cast already covers this. If y
Franzi
2017/03/20 19:29:37
I have no idea what I was thinking 😂. Keeping a DC
| |
1087 UNREACHABLE(); | |
1088 } | |
1089 Handle<Tuple2> entry = Handle<Tuple2>::cast(maybe_entry); | |
1090 Handle<String> type = | |
1091 Handle<String>(String::cast(entry->value1()), isolate); | |
1092 int position = Smi::cast(entry->value2())->value(); | |
1093 PrintF("%d: %s\n", position, type->ToCString().get()); | |
1083 } | 1094 } |
1084 } | 1095 } |
1085 | 1096 |
1086 } // namespace internal | 1097 } // namespace internal |
1087 } // namespace v8 | 1098 } // namespace v8 |
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