src/ic/ic-compiler.h

   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
   3 // found in the LICENSE file.
   4
   5 #ifndef V8_IC_IC_COMPILER_H_
   6 #define V8_IC_IC_COMPILER_H_
   7
   8 #include "src/ic/access-compiler.h"
   9
  10 namespace v8 {
  11 namespace internal {
  12
  13
  14 class PropertyICCompiler : public PropertyAccessCompiler {
  15  public:
  16   // Finds the Code object stored in the Heap::non_monomorphic_cache().
  17   static Code* FindPreMonomorphic(Isolate* isolate, Code::Kind kind,
  18                                   ExtraICState extra_ic_state);
  19
  20   // Named
  21   static Handle<Code> ComputeStore(Isolate* isolate, InlineCacheState ic_state,
  22                                    ExtraICState extra_state);
  23
  24   static Handle<Code> ComputeMonomorphic(Code::Kind kind, Handle<Name> name,
  25                                          Handle<Map> map, Handle<Code> handler,
  26                                          ExtraICState extra_ic_state);
  27   static Handle<Code> ComputePolymorphic(Code::Kind kind, MapHandleList* maps,
  28                                          CodeHandleList* handlers,
  29                                          int number_of_valid_maps,
  30                                          Handle<Name> name,
  31                                          ExtraICState extra_ic_state);
  32
  33   // Keyed
  34   static Handle<Code> ComputeKeyedLoadMonomorphicHandler(
  35       Handle<Map> receiver_map, ExtraICState extra_ic_state);
  36
  37   static Handle<Code> ComputeKeyedStoreMonomorphicHandler(
  38       Handle<Map> receiver_map, LanguageMode language_mode,
  39       KeyedAccessStoreMode store_mode);
  40   static Handle<Code> ComputeKeyedStoreMonomorphic(
  41       Handle<Map> receiver_map, LanguageMode language_mode,
  42       KeyedAccessStoreMode store_mode);
  43   static void ComputeKeyedStorePolymorphicHandlers(
  44       MapHandleList* receiver_maps, MapHandleList* transitioned_maps,
  45       CodeHandleList* handlers, KeyedAccessStoreMode store_mode,
  46       LanguageMode language_mode);
  47   static Handle<Code> ComputeKeyedStorePolymorphic(
  48       MapHandleList* receiver_maps, KeyedAccessStoreMode store_mode,
  49       LanguageMode language_mode);
  50
  51   // Compare nil
  52   static Handle<Code> ComputeCompareNil(Handle<Map> receiver_map,
  53                                         CompareNilICStub* stub);
  54
  55   // Helpers
  56   // TODO(verwaest): Move all uses of these helpers to the PropertyICCompiler
  57   // and make the helpers private.
  58   static void GenerateRuntimeSetProperty(MacroAssembler* masm,
  59                                          LanguageMode language_mode);
  60
  61
  62  private:
  63   PropertyICCompiler(Isolate* isolate, Code::Kind kind,
  64                      ExtraICState extra_ic_state = kNoExtraICState,
  65                      CacheHolderFlag cache_holder = kCacheOnReceiver)
  66       : PropertyAccessCompiler(isolate, kind, cache_holder),
  67         extra_ic_state_(extra_ic_state) {}
  68
  69   static Handle<Code> Find(Handle<Name> name, Handle<Map> stub_holder_map,
  70                            Code::Kind kind,
  71                            ExtraICState extra_ic_state = kNoExtraICState,
  72                            CacheHolderFlag cache_holder = kCacheOnReceiver);
  73
  74   Handle<Code> CompileLoadInitialize(Code::Flags flags);
  75   Handle<Code> CompileStoreInitialize(Code::Flags flags);
  76   Handle<Code> CompileStorePreMonomorphic(Code::Flags flags);
  77   Handle<Code> CompileStoreGeneric(Code::Flags flags);
  78   Handle<Code> CompileStoreMegamorphic(Code::Flags flags);
  79
  80   Handle<Code> CompileMonomorphic(Handle<Map> map, Handle<Code> handler,
  81                                   Handle<Name> name, IcCheckType check);
  82   Handle<Code> CompilePolymorphic(MapHandleList* maps, CodeHandleList* handlers,
  83                                   Handle<Name> name, Code::StubType type,
  84                                   IcCheckType check);
  85
  86   Handle<Code> CompileKeyedStoreMonomorphicHandler(
  87       Handle<Map> receiver_map, KeyedAccessStoreMode store_mode);
  88   Handle<Code> CompileKeyedStoreMonomorphic(Handle<Map> receiver_map,
  89                                             KeyedAccessStoreMode store_mode);
  90   Handle<Code> CompileKeyedStorePolymorphic(MapHandleList* receiver_maps,
  91                                             KeyedAccessStoreMode store_mode);
  92   void CompileKeyedStorePolymorphicHandlers(MapHandleList* receiver_maps,
  93                                             MapHandleList* transitioned_maps,
  94                                             CodeHandleList* handlers,
  95                                             KeyedAccessStoreMode store_mode);
  96   Handle<Code> CompileKeyedStorePolymorphic(MapHandleList* receiver_maps,
  97                                             CodeHandleList* handler_stubs,
  98                                             MapHandleList* transitioned_maps);
  99
 100   bool IncludesNumberMap(MapHandleList* maps);
 101
 102   Handle<Code> GetCode(Code::Kind kind, Code::StubType type, Handle<Name> name,
 103                        InlineCacheState state = MONOMORPHIC);
 104
 105   Logger::LogEventsAndTags log_kind(Handle<Code> code) {
 106     if (kind() == Code::LOAD_IC) {
 107       return code->ic_state() == MONOMORPHIC ? Logger::LOAD_IC_TAG
 108                                              : Logger::LOAD_POLYMORPHIC_IC_TAG;
 109     } else if (kind() == Code::KEYED_LOAD_IC) {
 110       return code->ic_state() == MONOMORPHIC
 111                  ? Logger::KEYED_LOAD_IC_TAG
 112                  : Logger::KEYED_LOAD_POLYMORPHIC_IC_TAG;
 113     } else if (kind() == Code::STORE_IC) {
 114       return code->ic_state() == MONOMORPHIC ? Logger::STORE_IC_TAG
 115                                              : Logger::STORE_POLYMORPHIC_IC_TAG;
 116     } else {
 117       DCHECK_EQ(Code::KEYED_STORE_IC, kind());
 118       return code->ic_state() == MONOMORPHIC
 119                  ? Logger::KEYED_STORE_IC_TAG
 120                  : Logger::KEYED_STORE_POLYMORPHIC_IC_TAG;
 121     }
 122   }
 123
 124   const ExtraICState extra_ic_state_;
 125 };
 126
 127
 128 }  // namespace internal
 129 }  // namespace v8
 130
 131 #endif  // V8_IC_IC_COMPILER_H_