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