Hydrogen code stubs for vector-based ICs.

test/cctest/test-heap.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 3328 matching lines @@
   Handle<TypeFeedbackVector> vector =
       Handle<TypeFeedbackVector>(f->shared()->feedback_vector());
   FeedbackVectorICSlot slot(ic_slot_index);
   LoadICNexus nexus(vector, slot);
   CHECK(IC::IsCleared(&nexus));
 }
 
 
 TEST(IncrementalMarkingPreservesMonomorphicIC) {
   if (i::FLAG_always_opt) return;
+  // TODO(mvstanton): vector-ics need to treat maps weakly.
+  if (i::FLAG_vector_ics) return;
   CcTest::InitializeVM();
   v8::HandleScope scope(CcTest::isolate());
 
   // Prepare function f that contains a monomorphic IC for object
   // originating from the same native context.
   CompileRun("function fun() { this.x = 1; }; var obj = new fun();"
              "function f(o) { return o.x; } f(obj); f(obj);");
   Handle<JSFunction> f =
       v8::Utils::OpenHandle(
           *v8::Handle<v8::Function>::Cast(
@@ skipping 84 matching lines @@
 
   // Prepare function f that contains a polymorphic IC for objects
   // originating from two different native contexts.
   CcTest::global()->Set(v8_str("obj1"), obj1);
   CcTest::global()->Set(v8_str("obj2"), obj2);
   CompileRun("function f(o) { return o.x; } f(obj1); f(obj1); f(obj2);");
   Handle<JSFunction> f = v8::Utils::OpenHandle(
       *v8::Handle<v8::Function>::Cast(CcTest::global()->Get(v8_str("f"))));
 
   Code* ic_before = FindFirstIC(f->shared()->code(), Code::LOAD_IC);
-  CHECK(ic_before->ic_state() == POLYMORPHIC);
+  if (FLAG_vector_ics) {
+    CheckVectorIC(f, 0, POLYMORPHIC);
+    CHECK(ic_before->ic_state() == DEFAULT);
+  } else {
+    CHECK(ic_before->ic_state() == POLYMORPHIC);
+  }
 
   // Fire context dispose notification.
   SimulateIncrementalMarking(CcTest::heap());
   CcTest::heap()->CollectAllGarbage(Heap::kNoGCFlags);
 
   Code* ic_after = FindFirstIC(f->shared()->code(), Code::LOAD_IC);
-  CHECK(ic_after->ic_state() == POLYMORPHIC);
+  if (FLAG_vector_ics) {
+    CheckVectorIC(f, 0, POLYMORPHIC);
+    CHECK(ic_after->ic_state() == DEFAULT);
+  } else {
+    CHECK(ic_after->ic_state() == POLYMORPHIC);
+  }
 }
 
 
 TEST(IncrementalMarkingClearsPolymorphicIC) {
   if (i::FLAG_always_opt) return;
   CcTest::InitializeVM();
   v8::HandleScope scope(CcTest::isolate());
   v8::Local<v8::Value> obj1, obj2;
 
   {
@@ skipping 255 matching lines @@
   // Make a new closure that will get code installed from the code map.
   // Unoptimized code is missing and the deoptimizer will go ballistic.
   CompileRun("var g = mkClosure(); g('bozo');");
 }
 
 
 TEST(Regress169209) {
   i::FLAG_stress_compaction = false;
   i::FLAG_allow_natives_syntax = true;
   i::FLAG_flush_code_incrementally = true;
+  // TODO(mvstanton): vector ics need weak support.
+  if (i::FLAG_vector_ics) return;
 
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();
   Heap* heap = isolate->heap();
   HandleScope scope(isolate);
 
   // Perform one initial GC to enable code flushing.
   heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask);
 
   // Prepare a shared function info eligible for code flushing for which
@@ skipping 333 matching lines @@
   for (Object* site = heap->allocation_sites_list();
        !(site->IsUndefined());
        site = AllocationSite::cast(site)->weak_next()) {
     count++;
   }
   return count;
 }
 
 
 TEST(EnsureAllocationSiteDependentCodesProcessed) {
+  // TODO(mvstanton): vector ics need weak support!
+  if (FLAG_vector_ics) return;
   if (i::FLAG_always_opt || !i::FLAG_crankshaft) return;
   i::FLAG_allow_natives_syntax = true;
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();
   v8::internal::Heap* heap = CcTest::heap();
   GlobalHandles* global_handles = isolate->global_handles();
 
   if (!isolate->use_crankshaft()) return;
 
   // The allocation site at the head of the list is ours.
@@ skipping 42 matching lines @@
   // The site still exists because of our global handle, but the code is no
   // longer referred to by dependent_code().
   DependentCode::GroupStartIndexes starts(site->dependent_code());
   int index = starts.at(DependentCode::kAllocationSiteTransitionChangedGroup);
   CHECK(!(site->dependent_code()->is_code_at(index)));
 }
 
 
 TEST(CellsInOptimizedCodeAreWeak) {
   if (i::FLAG_always_opt || !i::FLAG_crankshaft) return;
+  // TODO(mvstanton): vector-ics need to treat maps weakly.
+  if (i::FLAG_vector_ics) return;
   i::FLAG_weak_embedded_objects_in_optimized_code = true;
   i::FLAG_allow_natives_syntax = true;
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();
   v8::internal::Heap* heap = CcTest::heap();
 
   if (!isolate->use_crankshaft()) return;
   HandleScope outer_scope(heap->isolate());
   Handle<Code> code;
   {
@@ skipping 22 matching lines @@
   // Now make sure that a gc should get rid of the function
   for (int i = 0; i < 4; i++) {
     heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask);
   }
 
   DCHECK(code->marked_for_deoptimization());
 }
 
 
 TEST(ObjectsInOptimizedCodeAreWeak) {
+  // TODO(mvstanton): vector ics need weak support!
+  if (FLAG_vector_ics) return;
   if (i::FLAG_always_opt || !i::FLAG_crankshaft) return;
   i::FLAG_weak_embedded_objects_in_optimized_code = true;
   i::FLAG_allow_natives_syntax = true;
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();
   v8::internal::Heap* heap = CcTest::heap();
 
   if (!isolate->use_crankshaft()) return;
   HandleScope outer_scope(heap->isolate());
   Handle<Code> code;
@@ skipping 23 matching lines @@
     heap->CollectAllGarbage(Heap::kAbortIncrementalMarkingMask);
   }
 
   DCHECK(code->marked_for_deoptimization());
 }
 
 
 TEST(NoWeakHashTableLeakWithIncrementalMarking) {
   if (i::FLAG_always_opt || !i::FLAG_crankshaft) return;
   if (!i::FLAG_incremental_marking) return;
+  // TODO(mvstanton): vector ics need weak support.
+  if (FLAG_vector_ics) return;
   i::FLAG_weak_embedded_objects_in_optimized_code = true;
   i::FLAG_allow_natives_syntax = true;
   i::FLAG_compilation_cache = false;
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();
   v8::internal::Heap* heap = CcTest::heap();
 
   if (!isolate->use_crankshaft()) return;
   HandleScope outer_scope(heap->isolate());
   for (int i = 0; i < 3; i++) {
     SimulateIncrementalMarking(heap);
     {
       LocalContext context;
       HandleScope scope(heap->isolate());
       EmbeddedVector<char, 256> source;
       SNPrintF(source,
                "function bar%d() {"
                "  return foo%d(1);"
                "};"
                "function foo%d(x) { with (x) { return 1 + x; } };"
                "bar%d();"
                "bar%d();"
                "bar%d();"
-               "%%OptimizeFunctionOnNextCall(bar%d);"
-               "bar%d();", i, i, i, i, i, i, i, i);
+               "%%OptimizeFwunctionOnNextCall(bar%d);"
+               "bar%d();",
+               i, i, i, i, i, i, i, i);
       CompileRun(source.start());
     }
     heap->CollectAllGarbage(i::Heap::kNoGCFlags);
   }
   int elements = 0;
   if (heap->weak_object_to_code_table()->IsHashTable()) {
     WeakHashTable* t = WeakHashTable::cast(heap->weak_object_to_code_table());
     elements = t->NumberOfElements();
   }
   CHECK_EQ(0, elements);
@@ skipping 141 matching lines @@
                 "   var obj = Object.create(proto);"
                 "   loadIC(obj);"
                 "   loadIC(obj);"
                 "   loadIC(obj);"
                 "   return proto;"
                 " })();");
 }
 
 
 TEST(WeakMapInPolymorphicLoadIC) {
+  // TODO(mvstanton): vector-ics need to treat maps weakly.
+  if (i::FLAG_vector_ics) return;
   CheckWeakness(
       "function loadIC(obj) {"
       "  return obj.name;"
       "}"
       " (function() {"
       "   var proto = {'name' : 'weak'};"
       "   var obj = Object.create(proto);"
       "   loadIC(obj);"
       "   loadIC(obj);"
       "   loadIC(obj);"
@@ skipping 494 matching lines @@
 #ifdef DEBUG
 TEST(PathTracer) {
   CcTest::InitializeVM();
   v8::HandleScope scope(CcTest::isolate());
 
   v8::Local<v8::Value> result = CompileRun("'abc'");
   Handle<Object> o = v8::Utils::OpenHandle(*result);
   CcTest::i_isolate()->heap()->TracePathToObject(*o);
 }
 #endif  // DEBUG