Flesh out vector ic state query and set mechanisms.

test/cctest/test-compiler.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 292 matching lines @@
           *v8::Handle<v8::Function>::Cast(
               CcTest::global()->Get(v8_str("f"))));
 
   // We shouldn't have deoptimization support. We want to recompile and
   // verify that our feedback vector preserves information.
   CHECK(!f->shared()->has_deoptimization_support());
   Handle<TypeFeedbackVector> feedback_vector(f->shared()->feedback_vector());
 
   // Verify that we gathered feedback.
   int expected_slots = 0;
-  int expected_ic_slots = FLAG_vector_ics ? 2 : 1;
+  int expected_ic_slots = 1;
   CHECK_EQ(expected_slots, feedback_vector->Slots());
   CHECK_EQ(expected_ic_slots, feedback_vector->ICSlots());
-  FeedbackVectorICSlot slot_for_a(FLAG_vector_ics ? 1 : 0);
+  FeedbackVectorICSlot slot_for_a(0);
   CHECK(feedback_vector->Get(slot_for_a)->IsJSFunction());
 
   CompileRun("%OptimizeFunctionOnNextCall(f); f(fun1);");
 
   // Verify that the feedback is still "gathered" despite a recompilation
   // of the full code.
   CHECK(f->IsOptimized());
   CHECK(f->shared()->has_deoptimization_support());
   CHECK(f->shared()->feedback_vector()->Get(slot_for_a)->IsJSFunction());
 }
@@ skipping 118 matching lines @@
   CompileRun("function f() { a = 12345678 }; f();");
   CheckCodeForUnsafeLiteral(GetJSFunction(context->Global(), "f"));
   CompileRun("function f(x) { a = 12345678 + x}; f(1);");
   CheckCodeForUnsafeLiteral(GetJSFunction(context->Global(), "f"));
   CompileRun("function f(x) { var arguments = 1; x += 12345678}; f(1);");
   CheckCodeForUnsafeLiteral(GetJSFunction(context->Global(), "f"));
   CompileRun("function f(x) { var arguments = 1; x = 12345678}; f(1);");
   CheckCodeForUnsafeLiteral(GetJSFunction(context->Global(), "f"));
 }
 #endif