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