Revision: 15553
Author: [email protected]
Date: Mon Jul 8 06:43:43 2013
Log: Add a test case for Phi representations
BUG=chromium:167394
[email protected]
Review URL: https://codereview.chromium.org/18838002
http://code.google.com/p/v8/source/detail?r=15553
Added:
/branches/bleeding_edge/test/mjsunit/compiler/phi-representations.js
=======================================
--- /dev/null
+++ /branches/bleeding_edge/test/mjsunit/compiler/phi-representations.js
Mon Jul 8 06:43:43 2013
@@ -0,0 +1,56 @@
+// Copyright 2013 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
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --allow-natives-syntax
+
+function ar() {
+ var r = undefined;
+ var f = 1;
+ while (f--) {
+ r = (typeof r === 'undefined') ? 0.1 : r;
+ };
+ return (r - r);
+}
+
+assertEquals(0, ar());
+assertEquals(0, ar());
+%OptimizeFunctionOnNextCall(ar);
+assertEquals(0, ar());
+
+function ar2() {
+ var r = undefined;
+ var f = 1;
+ while (f--) {
+ r = r === undefined ? 0.1 : r;
+ };
+ return (r - r);
+}
+
+assertEquals(0, ar2());
+assertEquals(0, ar2());
+%OptimizeFunctionOnNextCall(ar2);
+assertEquals(0, ar2());
--
--
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