mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
2.5 KiB
75 lines
2.5 KiB
// 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 --nodead-code-elimination
|
|
// Flags: --nofold-constants --nouse-gvn
|
|
|
|
// Create a function to get a long series of removable simulates.
|
|
// f() {
|
|
// var _0 = <random>, _1 = <random>, ... _1000 = <random>,
|
|
// _1001 = <random var> + <random var>,
|
|
// _1002 = <random var> + <random var>,
|
|
// ...
|
|
// _99999 = <random var> + <random var>,
|
|
// x = 1;
|
|
// return _0;
|
|
// }
|
|
|
|
var seed = 1;
|
|
|
|
function rand() {
|
|
seed = seed * 171 % 1337 + 17;
|
|
return (seed % 1000) / 1000;
|
|
}
|
|
|
|
function randi(max) {
|
|
seed = seed * 131 % 1773 + 13;
|
|
return seed % max;
|
|
}
|
|
|
|
function varname(i) {
|
|
return "_" + i;
|
|
}
|
|
|
|
var source = "var ";
|
|
|
|
for (var i = 0; i < 750; i++) {
|
|
source += [varname(i), "=", rand(), ","].join("");
|
|
}
|
|
|
|
for (var i = 750; i < 3000; i++) {
|
|
source += [varname(i), "=",
|
|
varname(randi(i)), "+",
|
|
varname(randi(i)), ","].join("");
|
|
}
|
|
|
|
source += "x=1; return _0;"
|
|
var f = new Function(source);
|
|
|
|
f();
|
|
%OptimizeFunctionOnNextCall(f);
|
|
f();
|
|
|