77 lines
2.5 KiB
JavaScript
77 lines
2.5 KiB
JavaScript
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// Copyright 2013 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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// Flags: --allow-natives-syntax --nodead-code-elimination
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// Flags: --nofold-constants --nouse-gvn
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// Create a function to get a long series of removable simulates.
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// f() {
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// var _0 = <random>, _1 = <random>, ... _1000 = <random>,
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// _1001 = <random var> + <random var>,
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// _1002 = <random var> + <random var>,
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// ...
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// _99999 = <random var> + <random var>,
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// x = 1;
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// return _0;
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// }
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var seed = 1;
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function rand() {
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seed = seed * 171 % 1337 + 17;
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return (seed % 1000) / 1000;
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}
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function randi(max) {
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seed = seed * 131 % 1773 + 13;
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return seed % max;
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}
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function varname(i) {
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return "_" + i;
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}
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var source = "var ";
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for (var i = 0; i < 1000; i++) {
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source += [varname(i), "=", rand(), ","].join("");
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}
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for (var i = 1000; i < 100000; i++) {
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source += [varname(i), "=",
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varname(randi(i)), "+",
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varname(randi(i)), ","].join("");
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}
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source += "x=1; return _0;"
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var f = new Function(source);
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f();
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%OptimizeFunctionOnNextCall(f);
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f();
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