[ic] Refactor LoadIC code.

src/code-stub-assembler.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_CODE_STUB_ASSEMBLER_H_
 #define V8_CODE_STUB_ASSEMBLER_H_
 
 #include <functional>
 
 #include "src/compiler/code-assembler.h"
@@ skipping 1124 matching lines @@
   compiler::Node* CallGetterIfAccessor(compiler::Node* value,
                                        compiler::Node* details,
                                        compiler::Node* context,
                                        compiler::Node* receiver,
                                        Label* if_bailout);
 
   void HandleLoadICHandlerCase(
       const LoadICParameters* p, compiler::Node* handler, Label* miss,
       ElementSupport support_elements = kOnlyProperties);
 
+  void HandleLoadICSmiHandlerCase(const LoadICParameters* p,
+                                  compiler::Node* holder,
+                                  compiler::Node* smi_handler, Label* miss,
+                                  ElementSupport support_elements);
+
   void HandleLoadICProtoHandler(const LoadICParameters* p,
                                 compiler::Node* handler, Variable* var_holder,
                                 Variable* var_smi_handler,
                                 Label* if_smi_handler, Label* miss);
 
+  compiler::Node* EmitLoadICProtoArrayCheck(const LoadICParameters* p,
+                                            compiler::Node* handler,
+                                            compiler::Node* handler_length,
+                                            compiler::Node* handler_flags,
+                                            Label* miss);
+
   void CheckPrototype(compiler::Node* prototype_cell, compiler::Node* name,
                       Label* miss);
 
   void NameDictionaryNegativeLookup(compiler::Node* object,
                                     compiler::Node* name, Label* miss);
 
   // If |transition| is nullptr then the normal field store is generated or
   // transitioning store otherwise.
   void HandleStoreFieldAndReturn(compiler::Node* handler_word,
                                  compiler::Node* holder,
@@ skipping 127 matching lines @@
   }
 #else
 #define CSA_SLOW_ASSERT(csa, x) ((void)0)
 #endif
 
 DEFINE_OPERATORS_FOR_FLAGS(CodeStubAssembler::AllocationFlags);
 
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_CODE_STUB_ASSEMBLER_H_