PR-URL: https://github.com/nodejs/node/pull/28918 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
28 lines
612 B
JavaScript
28 lines
612 B
JavaScript
// Copyright 2016 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
// Flags: --allow-natives-syntax
|
|
|
|
var foo = function() {
|
|
"use asm";
|
|
var a = new Uint8Array(2);
|
|
a[0] = 128;
|
|
a[1] = 127;
|
|
|
|
function foo() {
|
|
var x = a[0] | 0;
|
|
var y = a[1] | 0;
|
|
if (x < 0) x = 4294967296 + x | 0;
|
|
if (y < 0) y = 4294967296 + y | 0;
|
|
return x >= y;
|
|
};
|
|
%PrepareFunctionForOptimization(foo);
|
|
return foo;
|
|
}();
|
|
|
|
assertTrue(foo());
|
|
assertTrue(foo());
|
|
%OptimizeFunctionOnNextCall(foo);
|
|
assertTrue(foo());
|