v8/test/mjsunit/compiler/regress-645851.js
Fanchen Kong 9f902b7483 [turbofan] Making OSR concurrent
... to reduce compilation overhead on the main thread for OSR

Bug: v8:12161
Change-Id: I54ca5fa6201405daf92dac9cf51d5de4b46577b3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3369361
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Fanchen Kong <fanchen.kong@intel.com>
Cr-Commit-Position: refs/heads/main@{#79188}
2022-02-21 09:40:10 +00:00

22 lines
482 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
function f() {
var sum = 0;
while (1) {
for (var j = 0; j < 200; j -= j) {
sum = sum + 1;
%OptimizeOsr(0, "concurrent");
if (sum == 2) return;
%PrepareFunctionForOptimization(f);
}
}
return sum;
}
%PrepareFunctionForOptimization(f);
f();