Upgrade V8 to version 4.9.385.28
https://chromium.googlesource.com/v8/v8/+/4.9.385.28
FPIIM-449
Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
diff --git a/test/mjsunit/call-counts.js b/test/mjsunit/call-counts.js
new file mode 100644
index 0000000..1ad62ba
--- /dev/null
+++ b/test/mjsunit/call-counts.js
@@ -0,0 +1,46 @@
+// Copyright 2015 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.
+
+// Flags: --allow-natives-syntax --noalways-opt
+
+// We disable vector store ICs because slot indices change when this option
+// is enabled.
+
+// Locations in the type feedback vector where call counts are maintained for
+// the two calls made from bar();
+
+(function() {
+ const kFooCallExtraIndex = 5;
+ const kArrayCallExtraIndex = 7;
+
+ function GetCallCount(func, slot) {
+ var vector = %GetTypeFeedbackVector(func);
+ // Call counts are recorded doubled.
+ var value = %FixedArrayGet(vector, slot);
+ return Math.floor(value / 2);
+ }
+
+ function foo(a) { return a[3] * 16; }
+
+ function bar(a) {
+ var result = 0;
+ for (var i = 0; i < 10; i++) {
+ result = foo(a);
+ if (i % 2 === 0) {
+ var r = Array();
+ r[0] = 1;
+ result += r[0];
+ }
+ }
+ return result;
+ }
+
+ var a = [1, 2, 3];
+ bar(a);
+ assertEquals(10, GetCallCount(bar, kFooCallExtraIndex));
+ assertEquals(5, GetCallCount(bar, kArrayCallExtraIndex));
+
+ %OptimizeFunctionOnNextCall(bar);
+ bar(a);
+})();