Collect call counts for constructor calls, too.

test/cctest/test-feedback-vector.cc

 // Copyright 2014 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.
 
 #include "src/v8.h"
 #include "test/cctest/cctest.h"
 
 #include "src/api.h"
 #include "src/debug/debug.h"
 #include "src/execution.h"
@@ skipping 215 matching lines @@
   // Clear the IC manually in order to test this case.
   nexus.Clear(f->shared()->code());
   CompileRun("f(Array)");
   CHECK_EQ(MONOMORPHIC, nexus.StateFromFeedback());
   CHECK(nexus.GetFeedback()->IsAllocationSite());
 
   heap->CollectAllGarbage();
   CHECK_EQ(MONOMORPHIC, nexus.StateFromFeedback());
 }
 
+TEST(VectorCallCounts) {
+  if (i::FLAG_always_opt) return;
+  CcTest::InitializeVM();
+  LocalContext context;
+  v8::HandleScope scope(context->GetIsolate());
+  Isolate* isolate = CcTest::i_isolate();
+
+  // Make sure function f has a call that uses a type feedback slot.
+  CompileRun(
+      "function foo() { return 17; }"
+      "function f(a) { a(); } f(foo);");
+  Handle<JSFunction> f = GetFunction("f");
+  // There should be one IC.
+  Handle<TypeFeedbackVector> feedback_vector =
+      Handle<TypeFeedbackVector>(f->shared()->feedback_vector(), isolate);
+  FeedbackVectorSlot slot(0);
+  CallICNexus nexus(feedback_vector, slot);
+  CHECK_EQ(MONOMORPHIC, nexus.StateFromFeedback());
+
+  CompileRun("f(foo); f(foo);");
+  CHECK_EQ(MONOMORPHIC, nexus.StateFromFeedback());
+  CHECK_EQ(3, nexus.ExtractCallCount());
+
+  CompileRun(
+      "function Foo() {}"
+      "function f(a) { new a(); } f(Foo);");
+  f = GetFunction("f");
+  // There should be one IC.
+  feedback_vector =
+      Handle<TypeFeedbackVector>(f->shared()->feedback_vector(), isolate);
+  FeedbackVectorSlot cslot(1);
+
+  CompileRun("f(Foo); f(Foo);");
+  CHECK(feedback_vector->Get(cslot)->IsSmi());
+  CHECK_EQ(3, Smi::cast(feedback_vector->Get(cslot))->value());
+}
 
 TEST(VectorLoadICStates) {
   if (i::FLAG_always_opt) return;
   CcTest::InitializeVM();
   LocalContext context;
   v8::HandleScope scope(context->GetIsolate());
   Isolate* isolate = CcTest::i_isolate();
   Heap* heap = isolate->heap();
 
   // Make sure function f has a call that uses a type feedback slot.
@@ skipping 260 matching lines @@
   // There should be one IC slot.
   Handle<TypeFeedbackVector> feedback_vector(f->shared()->feedback_vector());
   FeedbackVectorHelper helper(feedback_vector);
   CHECK_EQ(1, helper.slot_count());
   FeedbackVectorSlot slot(0);
   StoreICNexus nexus(feedback_vector, slot);
   CHECK_EQ(MONOMORPHIC, nexus.StateFromFeedback());
 }
 
 }  // namespace