v8/test/mjsunit/regress/regress-sync-optimized-lists.js

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

43 lines
927 B
JavaScript
Raw Normal View History

// Copyright 2014 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 --block-concurrent-recompilation
function Ctor() {
this.a = 1;
}
function get_closure() {
return function add_field(obj, osr) {
obj.c = 3;
var x = 0;
if (osr) %OptimizeOsr();
for (var i = 0; i < 10; i++) {
x = i + 1;
}
return x;
}
}
var f1 = get_closure();
%PrepareFunctionForOptimization(f1);
f1(new Ctor(), false);
f1(new Ctor(), false);
%OptimizeFunctionOnNextCall(f1, "concurrent");
// Kick off concurrent recompilation and OSR.
var o = new Ctor();
%PrepareFunctionForOptimization(f1);
f1(o, true);
// Flush the optimizing compiler's queue.
%NotifyContextDisposed();
// Trigger deopt.
o.c = 2.2;
var f2 = get_closure();
%PrepareFunctionForOptimization(f2);
f2(new Ctor(), true);