v8/test/mjsunit/compiler/osr-follow.js
2015-01-30 13:09:44 +00:00

62 lines
1.2 KiB
JavaScript

// Copyright 2015 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: --use-osr --turbo-osr
function foo(a) {
var sum = 0;
var inc = a ? 100 : 200;
for (var i = 0; i < 100000; i++) {
sum += inc;
}
return sum + inc;
}
function bar(a) {
var sum = 0;
var inc = a ? 100 : 200;
var x = a ? 5 : 6;
var y = a ? 7 : 8;
for (var i = 0; i < 100000; i++) {
sum += inc;
}
return sum ? x : y;
}
function baz(a) {
var limit = a ? 100001 : 100002;
var r = 1;
var x = a ? 1 : 2;
var y = a ? 3 : 4;
for (var i = 0; i < limit; i++) {
r = r * -1;
}
return r > 0 ? x == y : x != y;
}
function qux(a) {
var limit = a ? 100001 : 100002;
var r = 1;
var x = a ? 1 : 2;
var y = a ? 3 : 4;
for (var i = 0; i < limit; i++) {
r = r * -1;
}
var w = r > 0 ? x : y;
var z = r > 0 ? y : x;
return w === z;
}
function test(func, tv, fv) {
assertEquals(tv, func(true));
assertEquals(fv, func(false));
assertEquals(tv, func(true));
assertEquals(fv, func(false));
}
test(foo, 10000100, 20000200);
test(bar, 5, 6);
test(baz, true, false);
test(qux, false, false);