Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(18)

Unified Diff: test/mjsunit/compiler/instanceof-opt2.js

Issue 2535753004: [turbofan] Add appropriate types to express Callable. (Closed)
Patch Set: Add spec comments. Created 4 years, 1 month ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « test/mjsunit/compiler/instanceof-opt1.js ('k') | no next file » | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: test/mjsunit/compiler/instanceof-opt2.js
diff --git a/test/mjsunit/compiler/instanceof-opt2.js b/test/mjsunit/compiler/instanceof-opt2.js
new file mode 100644
index 0000000000000000000000000000000000000000..6f57faf1fce5b54dea20881a6519c6f8cb48c642
--- /dev/null
+++ b/test/mjsunit/compiler/instanceof-opt2.js
@@ -0,0 +1,16 @@
+// Copyright 2016 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
+
+function Foo() {}
+
+// TurboFan will optimize this to false via constant-folding the
+// OrdinaryHasInstance call inside Function.prototype[@@hasInstance].
+function foo() { return 1 instanceof Foo; }
+
+assertEquals(false, foo());
+assertEquals(false, foo());
+%OptimizeFunctionOnNextCall(foo);
+assertEquals(false, foo());
« no previous file with comments | « test/mjsunit/compiler/instanceof-opt1.js ('k') | no next file » | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698