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Add a test case for Phi representations

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BUG=chromium:167394
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/18838002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15553 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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jkummerow@chromium.org 2013-07-08 13:43:43 +00:00
parent 1d51b7a760
commit ed6d2d5c44
1 changed files with 56 additions and 0 deletions
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56
test/mjsunit/compiler/phi-representations.js Normal file
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// 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());