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此仓库是为了提升国内下载速度的镜像仓库,每日同步一次。 原始仓库: https://github.com/WebKit/webkit
该仓库未声明开源许可证文件(LICENSE),使用请关注具体项目描述及其代码上游依赖。
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ftl-polymorphic-urshift.js 1.19 KB
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//@ runFTLNoCJIT
var o1 = {
i: 0,
valueOf: function() { return this.i; }
};
result = 0;
function foo(a, b) {
var result = 0;
for (var j = 0; j < 10; j++) {
var temp;
if (a > b)
temp = a >>> b;
else
temp = b >>> 1;
result += temp;
}
// Busy work just to allow the DFG and FTL to optimize this out. If the above causes
// us to speculation fail out to the baseline, this busy work will take a lot longer
// to run.
// This loop below also gets the DFG to compile this function sooner.
var origResult = result;
for (var i = 1; i < 1000; i++)
result = result >>> i;
result = origResult > result ? origResult : result;
return result;
}
noInline(foo);
var iterations;
var expectedResult;
if (this.window) {
// The layout test doesn't like too many iterations and may time out.
iterations = 10000;
expectedResult = 439840;
} else {
iterations = 100000;
expectedResult = 48330800;
}
for (var i = 0; i <= iterations; i++) {
o1.i = i;
if (i % 2)
result += foo(o1, 10);
else
result += foo(i, 10);
}
if (result != expectedResult)
throw "Bad result: " + result;
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