v8/test/mjsunit/compiler/osr-labeled.js
Leszek Swirski 66d5cebb49 Revert "[turbofan] Making OSR concurrent"
This reverts commit 9f902b7483.

Reason for revert: Reverting due to various fuzzing issues (numfuzz issues listed in original CL comments, ochang fuzzer in https://bugs.chromium.org/p/chromium/issues/detail?id=1299418)

Original change's description:
> [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}

Bug: v8:12161
Change-Id: Id6f6086517cd77fb1aa60b20fd03528b8e2ca686
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3477104
Auto-Submit: Leszek Swirski <leszeks@chromium.org>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Owners-Override: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#79194}
2022-02-21 14:02:43 +00:00

56 lines
1.4 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: --allow-natives-syntax --use-osr
function foo() {
var sum = 0;
A: for (var i = 0; i < 5; i++) {
B: for (var j = 0; j < 5; j++) {
%PrepareFunctionForOptimization(foo);
C: for (var k = 0; k < 10; k++) {
if (k === 5) %OptimizeOsr();
if (k === 6) break B;
sum++;
}
}
}
return sum;
}
%PrepareFunctionForOptimization(foo);
assertEquals(30, foo());
%PrepareFunctionForOptimization(foo);
assertEquals(30, foo());
function bar(a) {
var sum = 0;
A: for (var i = 0; i < 5; i++) {
B: for (var j = 0; j < 5; j++) {
%PrepareFunctionForOptimization(bar);
C: for (var k = 0; k < 10; k++) {
sum++;
%OptimizeOsr();
if (a === 1) break A;
if (a === 2) break B;
if (a === 3) break C;
}
}
}
return sum;
}
%PrepareFunctionForOptimization(bar);
assertEquals(1, bar(1));
%PrepareFunctionForOptimization(bar);
assertEquals(1, bar(1));
%PrepareFunctionForOptimization(bar);
assertEquals(5, bar(2));
%PrepareFunctionForOptimization(bar);
assertEquals(5, bar(2));
%PrepareFunctionForOptimization(bar);
assertEquals(25, bar(3));
%PrepareFunctionForOptimization(bar);
assertEquals(25, bar(3));