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