v8/test/mjsunit/compiler/regress-780658.js
Ross McIlroy 31a3cfbc10 [Test] Add PrepareForOptimization to mjsunit/compiler
BUG=v8:8801

Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256
Reviewed-on: https://chromium-review.googlesource.com/c/1495555
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60001}
2019-03-04 12:25:41 +00:00

31 lines
644 B
JavaScript

// Copyright 2017 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 --turbo-escape
function get1(l, b) {
return l[1];
}
function with_double(x) {
var o = {a: [x,x,x]};
o.a.some_property = 1;
return get1(o.a);
}
function with_tagged(x) {
var l = [{}, x,x];
return get1(l);
}
%PrepareFunctionForOptimization(with_double);
with_double(.5);
with_tagged({});
with_double(.6);
with_tagged(null);
with_double(.5);
with_tagged({});
%OptimizeFunctionOnNextCall(with_double);
with_double(.7);