v8/test/mjsunit/compiler/osr-regex-id.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

66 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 id(f) { return f; }
function foo(a) {
var r = /\0/;
for (var i = 0; i < 10; i++) {
if (a) %OptimizeOsr();
%PrepareFunctionForOptimization(foo);
}
return r;
}
%PrepareFunctionForOptimization(foo);
function bar(a) {
for (var i = 0; i < 10; i++) {
if (a) %OptimizeOsr();
%PrepareFunctionForOptimization(bar);
var r = /\0/;
}
return r;
}
%PrepareFunctionForOptimization(bar);
function baz(a) {
for (var i = 0; i < 10; i++) {
if (a) %OptimizeOsr();
%PrepareFunctionForOptimization(baz);
}
return /\0/;
}
%PrepareFunctionForOptimization(baz);
function qux(a) {
for (var i = 0; i < 10; i++) {
if (i > 5 && a) {
%OptimizeOsr();
%PrepareFunctionForOptimization(qux);
} else {
var r = /\0/;
}
}
return r;
}
%PrepareFunctionForOptimization(qux);
function test(f) {
// Test the reference equality of regex's created in OSR'd function.
var x = f(false);
%PrepareFunctionForOptimization(f);
assertEquals(x, f(true));
%PrepareFunctionForOptimization(f);
assertEquals(x, f(true));
%PrepareFunctionForOptimization(f);
assertEquals(x, f(true));
}
test(foo);
test(bar);
test(baz);
test(qux);