v8/test/mjsunit/regress/regress-sync-optimized-lists.js
Mythri A ae1af6a568 [cleanup] Add %PrepareFunctionForOptimize for tests that use %OptimizeOsr
Bug: v8:8394, v8:8801, v8:9183
Change-Id: I29ff1a6dda97e89335b30fcc8c380bcb4055e1fb
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1664690
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62254}
2019-06-18 16:47:29 +00:00

43 lines
927 B
JavaScript

// 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);