Adding a type vector to replace type cells.

src/runtime.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 27 matching lines @@
 #include "codegen.h"
 #include "compilation-cache.h"
 #include "compiler.h"
 #include "cpu.h"
 #include "cpu-profiler.h"
 #include "dateparser-inl.h"
 #include "debug.h"
 #include "deoptimizer.h"
 #include "date.h"
 #include "execution.h"
+#include "feedbackslots.h"
 #include "full-codegen.h"
 #include "global-handles.h"
 #include "isolate-inl.h"
 #include "jsregexp.h"
 #include "jsregexp-inl.h"
 #include "json-parser.h"
 #include "json-stringifier.h"
 #include "liveedit.h"
 #include "misc-intrinsics.h"
 #include "parser.h"
@@ skipping 8407 matching lines @@
 }
 
 
 RUNTIME_FUNCTION(MaybeObject*, Runtime_ClearFunctionTypeFeedback) {
   HandleScope scope(isolate);
   ASSERT(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0);
   Code* unoptimized = function->shared()->code();
   if (unoptimized->kind() == Code::FUNCTION) {
     unoptimized->ClearInlineCaches();
-    unoptimized->ClearTypeFeedbackCells(isolate->heap());
+    unoptimized->ClearTypeFeedbackInfo(isolate->heap());
   }
   return isolate->heap()->undefined_value();
 }
 
 
 RUNTIME_FUNCTION(MaybeObject*, Runtime_RunningInSimulator) {
   SealHandleScope shs(isolate);
 #if defined(USE_SIMULATOR)
   return isolate->heap()->true_value();
 #else
@@ skipping 3273 matching lines @@
       if (scope_info->scope_type() != FUNCTION_SCOPE) {
         // Global or eval code.
         CompilationInfoWithZone info(script);
         if (scope_info->scope_type() == GLOBAL_SCOPE) {
           info.MarkAsGlobal();
         } else {
           ASSERT(scope_info->scope_type() == EVAL_SCOPE);
           info.MarkAsEval();
           info.SetContext(Handle<Context>(function_->context()));
         }
-        if (Parser::Parse(&info) && Scope::Analyze(&info)) {
+        if (Parser::Parse(&info) && Scope::Analyze(&info) &&
+            FeedbackSlotAllocator::Run(&info)) {
           scope = info.function()->scope();
         }
         RetrieveScopeChain(scope, shared_info);
       } else {
         // Function code
         CompilationInfoWithZone info(shared_info);
-        if (Parser::Parse(&info) && Scope::Analyze(&info)) {
+        if (Parser::Parse(&info) && Scope::Analyze(&info) &&
+            FeedbackSlotAllocator::Run(&info)) {
           scope = info.function()->scope();
         }
         RetrieveScopeChain(scope, shared_info);
       }
     }
   }
 
   ScopeIterator(Isolate* isolate,
                 Handle<JSFunction> function)
     : isolate_(isolate),
@@ skipping 3041 matching lines @@
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     isolate->counters()->gc_last_resort_from_js()->Increment();
     isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags,
                                        "Runtime::PerformGC");
   }
 }
 
 
 } }  // namespace v8::internal