v8/test/mjsunit/compiler/osr-maze2.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

65 lines
1.3 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 bar() {
var sum = 11;
var i = 35;
while (i-- > 31) {
LOOP1();
j = 9;
while (j-- > 7) {
LOOP2();
sum = sum + j * 5;
var k = 7;
while (k-- > 5) {
LOOP3();
sum = sum + j * 5;
}
}
}
while (i-- > 29) {
LOOP4();
while (j-- > 3) {
LOOP5();
var k = 10;
while (k-- > 8) {
LOOP6();
sum = sum + k * 11;
}
}
while (j-- > 1) {
LOOP7();
var k = 8;
while (k-- > 6) {
LOOP8();
var m = 9;
while (m-- > 6) {
LOOP9();
sum = sum + k * 13;
}
}
}
}
return sum;
}
function gen(i) {
var body = bar.toString();
body = body.replace(new RegExp("bar"), "bar" + i);
for (var j = 1; j < 10; j++) {
var r = new RegExp("LOOP" + j + "\\(\\);");
if (i == j) body = body.replace(r, "%OptimizeOsr(); %PrepareFunctionForOptimization(bar" + i +");");
else body = body.replace(r, "");
}
return eval("(" + body + ")");
}
for (var i = 1; i < 10; i++) {
var f = gen(i);
%PrepareFunctionForOptimization(f);
assertEquals(1979, f());
}