[ic] Support data handlers in LoadGlobalIC.

src/ic/accessor-assembler-impl.h

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_SRC_IC_ACCESSOR_ASSEMBLER_IMPL_H_
 #define V8_SRC_IC_ACCESSOR_ASSEMBLER_IMPL_H_
 
 #include "src/code-stub-assembler.h"
 
 namespace v8 {
 namespace internal {
 
 namespace compiler {
 class CodeAssemblerState;
 }
 
 using compiler::Node;
 
 #define ACCESSOR_ASSEMBLER_PUBLIC_INTERFACE(V) \
   V(LoadIC)                                    \
   V(LoadICTrampoline)                          \
-  V(LoadICProtoArray)                          \
-  V(LoadGlobalIC)                              \
-  V(LoadGlobalICTrampoline)                    \
   V(KeyedLoadICTF)                             \
   V(KeyedLoadICTrampolineTF)                   \
   V(KeyedLoadICMegamorphic)                    \
   V(StoreIC)                                   \
   V(StoreICTrampoline)
-// KeyedStoreIC and KeyedStoreICTrampoline need custom handling because of
-// their "language_mode" parameter.
+// The other IC entry points need custom handling because of additional
+// parameters like "typeof_mode" or "language_mode".
 
 class AccessorAssemblerImpl : public CodeStubAssembler {
  public:
   explicit AccessorAssemblerImpl(compiler::CodeAssemblerState* state)
       : CodeStubAssembler(state) {}
 
 #define DECLARE_PUBLIC_METHOD(Name) void Generate##Name();
 
   ACCESSOR_ASSEMBLER_PUBLIC_INTERFACE(DECLARE_PUBLIC_METHOD)
 #undef DECLARE_PUBLIC_METHOD
 
+  void GenerateLoadICProtoArray(bool throw_reference_error_if_nonexistent);
+
+  void GenerateLoadGlobalIC(TypeofMode typeof_mode);
+  void GenerateLoadGlobalICTrampoline(TypeofMode typeof_mode);
+
   void GenerateKeyedStoreICTF(LanguageMode language_mode);
   void GenerateKeyedStoreICTrampolineTF(LanguageMode language_mode);
 
   void TryProbeStubCache(StubCache* stub_cache, Node* receiver, Node* name,
                          Label* if_handler, Variable* var_handler,
                          Label* if_miss);
 
   Node* StubCachePrimaryOffsetForTesting(Node* name, Node* map) {
     return StubCachePrimaryOffset(name, map);
   }
@@ skipping 28 matching lines @@
 
   void HandleStoreICHandlerCase(const StoreICParameters* p, Node* handler,
                                 Label* miss);
 
  private:
   enum ElementSupport { kOnlyProperties, kSupportElements };
 
   // Stub generation entry points.
 
   void LoadIC(const LoadICParameters* p);
-  void LoadICProtoArray(const LoadICParameters* p, Node* handler);
-  void LoadGlobalIC(const LoadICParameters* p);
+  void LoadICProtoArray(const LoadICParameters* p, Node* handler,
+                        bool throw_reference_error_if_nonexistent);
+  void LoadGlobalIC(const LoadICParameters* p, TypeofMode typeof_mode);
   void KeyedLoadIC(const LoadICParameters* p);
   void KeyedLoadICGeneric(const LoadICParameters* p);
   void StoreIC(const StoreICParameters* p);
   void KeyedStoreIC(const StoreICParameters* p, LanguageMode language_mode);
 
   // IC dispatcher behavior.
 
   // Checks monomorphic case. Returns {feedback} entry of the vector.
   Node* TryMonomorphicCase(Node* slot, Node* vector, Node* receiver_map,
                            Label* if_handler, Variable* var_handler,
@@ skipping 10 matching lines @@
   // LoadIC implementation.
 
   void HandleLoadICHandlerCase(
       const LoadICParameters* p, Node* handler, Label* miss,
       ElementSupport support_elements = kOnlyProperties);
 
   void HandleLoadICSmiHandlerCase(const LoadICParameters* p, Node* holder,
                                   Node* smi_handler, Label* miss,
                                   ElementSupport support_elements);
 
-  void HandleLoadICProtoHandler(const LoadICParameters* p, Node* handler,
-                                Variable* var_holder, Variable* var_smi_handler,
-                                Label* if_smi_handler, Label* miss);
+  void HandleLoadICProtoHandlerCase(const LoadICParameters* p, Node* handler,
+                                    Variable* var_holder,
+                                    Variable* var_smi_handler,
+                                    Label* if_smi_handler, Label* miss,
+                                    bool throw_reference_error_if_nonexistent);
 
   Node* EmitLoadICProtoArrayCheck(const LoadICParameters* p, Node* handler,
                                   Node* handler_length, Node* handler_flags,
-                                  Label* miss);
+                                  Label* miss,
+                                  bool throw_reference_error_if_nonexistent);
+
+  // LoadGlobalIC implementation.
+
+  void HandleLoadGlobalICHandlerCase(const LoadICParameters* p, Node* handler,
+                                     Label* miss,
+                                     bool throw_reference_error_if_nonexistent);
 
   // StoreIC implementation.
 
   void HandleStoreICProtoHandler(const StoreICParameters* p, Node* handler,
                                  Label* miss);
   // If |transition| is nullptr then the normal field store is generated or
   // transitioning store otherwise.
   void HandleStoreICSmiHandlerCase(Node* handler_word, Node* holder,
                                    Node* value, Node* transition, Label* miss);
   // If |transition| is nullptr then the normal field store is generated or
@@ skipping 27 matching lines @@
   void TryProbeStubCacheTable(StubCache* stub_cache, StubCacheTable table_id,
                               Node* entry_offset, Node* name, Node* map,
                               Label* if_handler, Variable* var_handler,
                               Label* if_miss);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_SRC_IC_ACCESSOR_ASSEMBLER_IMPL_H_