e6cbf659d1
The dependency flags of instructions depending on a previous check have to be a super-set of the flags of the check instructions. Review URL: http://codereview.chromium.org/6730025 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7343 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
66 lines
2.1 KiB
JavaScript
66 lines
2.1 KiB
JavaScript
// Copyright 2011 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Regression test for GVN on field loads.
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function bar() {}
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// Make sure there is a transition on adding "bar" inobject property.
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var b = new bar();
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b.bar = "bar";
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function test(a) {
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var b = new Array(10);
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for (var i = 0; i < 10; i++) {
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b[i] = new bar();
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}
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for (var i = 0; i < 10; i++) {
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b[i].bar = a.foo;
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}
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}
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// Create an object with fast backing store properties.
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var a = {};
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a.p1 = "";
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a.p2 = "";
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a.p3 = "";
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a.p4 = "";
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a.p5 = "";
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a.p6 = "";
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a.p7 = "";
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a.p8 = "";
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a.p9 = "";
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a.p10 = "";
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a.p11 = "";
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a.foo = "foo";
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for (var i = 0; i < 100000; i++) {
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test(a);
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}
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test("");
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