Encapsulating Type information in the CompareICStub

src/stub-cache.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 885 matching lines @@
   if (entry != -1) return Handle<Code>(Code::cast(cache->ValueAt(entry)));
 
   StubCompiler compiler(isolate_);
   Handle<Code> code = compiler.CompileCallMiss(flags);
   FillCache(isolate_, code);
   return code;
 }
 
 
 Handle<Code> StubCache::ComputeCompareNil(Handle<Map> receiver_map,
-                                          NilValue nil,
-                                          CompareNilICStub::Types types) {
-  CompareNilICStub stub(kNonStrictEquality, nil, types);
+                                          CompareNilICStub& stub) {
+  stub.SetKind(kNonStrictEquality);
 
   Handle<String> name(isolate_->heap()->empty_string());
   if (!receiver_map->is_shared()) {
     Handle<Code> cached_ic = FindIC(name, receiver_map, Code::COMPARE_NIL_IC,
                                     Code::NORMAL, stub.GetExtraICState());
     if (!cached_ic.is_null()) return cached_ic;
   }
 
   Handle<Code> ic = stub.GetCode(isolate_);
   // For monomorphic maps, use the code as a template, copying and replacing
@@ skipping 1170 matching lines @@
           Handle<FunctionTemplateInfo>(
               FunctionTemplateInfo::cast(signature->receiver()));
     }
   }
 
   is_simple_api_call_ = true;
 }
 
 
 } }  // namespace v8::internal