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authorSimon Hausmann <simon.hausmann@nokia.com>2012-01-05 10:12:14 +0100
committerSimon Hausmann <simon.hausmann@nokia.com>2012-01-05 12:18:02 +0100
commitba0f3a56487cf43207ab0ef1c898fa093082287b (patch)
treee93181a50477d83c22983ea2c318150d78d06982 /src/3rdparty/v8/test/mjsunit/compiler/loops.js
parentbbfea5b3a10cad429714267d507cc90f3da6db1b (diff)
downloadqtjsbackend-ba0f3a56487cf43207ab0ef1c898fa093082287b.tar.gz
Imported v8 version 3.7.3 from https://github.com/v8/v8.git
Change-Id: I152648081e46f599c2bb88eaaf67034fa5daac3a
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+// Copyright 2009 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.
+
+// Test compilation of loops.
+
+var n = 1;
+for (var i = 1; (6 - i); i++) {
+ // Factorial!
+ n = n * i;
+}
+assertEquals(120, n);
+
+// Test assignments in the loop condition.
+function f(i, n) {
+ while((n = n - 1) >= 0) {
+ i = n + 1;
+ }
+ return i;
+}
+assertEquals(1, f(0, 42));
+
+
+// Test do-while loop and continue.
+function g(a) {
+ var x = 0, c = 0;
+ do {
+ x = x + 1;
+ if (x < 5) continue;
+ c = c + 1;
+ } while(x < a);
+ return c;
+}
+
+assertEquals(6, g(10));
+
+// Test deoptimization in the loop condition.
+assertEquals(0, g("foo"));