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 enum IcCheckType { ELEMENT, PROPERTY };
  15
  16
  17 class PropertyICCompiler : public PropertyAccessCompiler {
  18  public:
  19   // Finds the Code object stored in the Heap::non_monomorphic_cache().
  20   static Code* FindPreMonomorphic(Isolate* isolate, Code::Kind kind,
  21                                   ExtraICState extra_ic_state);
  22
  23   // Named
  24   static Handle<Code> ComputeLoad(Isolate* isolate, InlineCacheState ic_state,
  25                                   ExtraICState extra_state);
  26   static Handle<Code> ComputeStore(Isolate* isolate, InlineCacheState ic_state,
  27                                    ExtraICState extra_state);
  28
  29   static Handle<Code> ComputeMonomorphic(Code::Kind kind, Handle<Name> name,
  30                                          Handle<HeapType> type,
  31                                          Handle<Code> handler,
  32                                          ExtraICState extra_ic_state);
  33   static Handle<Code> ComputePolymorphic(Code::Kind kind, TypeHandleList* types,
  34                                          CodeHandleList* handlers,
  35                                          int number_of_valid_maps,
  36                                          Handle<Name> name,
  37                                          ExtraICState extra_ic_state);
  38
  39   // Keyed
  40   static Handle<Code> ComputeKeyedLoadMonomorphic(Handle<Map> receiver_map);
  41
  42   static Handle<Code> ComputeKeyedStoreMonomorphic(
  43       Handle<Map> receiver_map, StrictMode strict_mode,
  44       KeyedAccessStoreMode store_mode);
  45   static Handle<Code> ComputeKeyedLoadPolymorphic(MapHandleList* receiver_maps);
  46   static Handle<Code> ComputeKeyedStorePolymorphic(
  47       MapHandleList* receiver_maps, KeyedAccessStoreMode store_mode,
  48       StrictMode strict_mode);
  49
  50   // Compare nil
  51   static Handle<Code> ComputeCompareNil(Handle<Map> receiver_map,
  52                                         CompareNilICStub* stub);
  53
  54   // Helpers
  55   // TODO(verwaest): Move all uses of these helpers to the PropertyICCompiler
  56   // and make the helpers private.
  57   static void GenerateRuntimeSetProperty(MacroAssembler* masm,
  58                                          StrictMode strict_mode);
  59
  60
  61  private:
  62   PropertyICCompiler(Isolate* isolate, Code::Kind kind,
  63                      ExtraICState extra_ic_state = kNoExtraICState,
  64                      CacheHolderFlag cache_holder = kCacheOnReceiver)
  65       : PropertyAccessCompiler(isolate, kind, cache_holder),
  66         extra_ic_state_(extra_ic_state) {}
  67
  68   static Handle<Code> Find(Handle<Name> name, Handle<Map> stub_holder_map,
  69                            Code::Kind kind,
  70                            ExtraICState extra_ic_state = kNoExtraICState,
  71                            CacheHolderFlag cache_holder = kCacheOnReceiver);
  72
  73   Handle<Code> CompileLoadInitialize(Code::Flags flags);
  74   Handle<Code> CompileLoadPreMonomorphic(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<HeapType> type, Handle<Code> handler,
  81                                   Handle<Name> name, IcCheckType check);
  82   Handle<Code> CompilePolymorphic(TypeHandleList* types,
  83                                   CodeHandleList* handlers, Handle<Name> name,
  84                                   Code::StubType type, IcCheckType check);
  85
  86   Handle<Code> CompileKeyedStoreMonomorphic(Handle<Map> receiver_map,
  87                                             KeyedAccessStoreMode store_mode);
  88   Handle<Code> CompileKeyedStorePolymorphic(MapHandleList* receiver_maps,
  89                                             KeyedAccessStoreMode store_mode);
  90   Handle<Code> CompileKeyedStorePolymorphic(MapHandleList* receiver_maps,
  91                                             CodeHandleList* handler_stubs,
  92                                             MapHandleList* transitioned_maps);
  93
  94   bool IncludesNumberType(TypeHandleList* types);
  95
  96   Handle<Code> GetCode(Code::Kind kind, Code::StubType type, Handle<Name> name,
  97                        InlineCacheState state = MONOMORPHIC);
  98
  99   Logger::LogEventsAndTags log_kind(Handle<Code> code) {
 100     if (kind() == Code::LOAD_IC) {
 101       return code->ic_state() == MONOMORPHIC ? Logger::LOAD_IC_TAG
 102                                              : Logger::LOAD_POLYMORPHIC_IC_TAG;
 103     } else if (kind() == Code::KEYED_LOAD_IC) {
 104       return code->ic_state() == MONOMORPHIC
 105                  ? Logger::KEYED_LOAD_IC_TAG
 106                  : Logger::KEYED_LOAD_POLYMORPHIC_IC_TAG;
 107     } else if (kind() == Code::STORE_IC) {
 108       return code->ic_state() == MONOMORPHIC ? Logger::STORE_IC_TAG
 109                                              : Logger::STORE_POLYMORPHIC_IC_TAG;
 110     } else {
 111       DCHECK_EQ(Code::KEYED_STORE_IC, kind());
 112       return code->ic_state() == MONOMORPHIC
 113                  ? Logger::KEYED_STORE_IC_TAG
 114                  : Logger::KEYED_STORE_POLYMORPHIC_IC_TAG;
 115     }
 116   }
 117
 118   const ExtraICState extra_ic_state_;
 119 };
 120
 121
 122 }
 123 }  // namespace v8::internal
 124
 125 #endif  // V8_IC_IC_COMPILER_H_