v8/test/mjsunit/compiler/osr-manual2.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

37 lines
1.0 KiB
JavaScript

// Copyright 2014 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
var counter = 188;
function gen(w) { // defeat compiler cache.
var num = counter++;
var Z = [ "", "", "", ];
Z[w] = "%OptimizeOsr(); %PrepareFunctionForOptimization(f" + num + ")";
var src =
"function f" + num + "(a,b,c) {" +
" var x = 0;" +
" var y = 0;" +
" var z = 0;" +
" while (a > 0) { " + Z[0] + "; x += 19; a--; var j=2; while(j--); }" +
" while (b > 0) { " + Z[1] + "; y += 23; b--; var j=2; while(j--); }" +
" while (c > 0) { " + Z[2] + "; z += 29; c--; var j=2; while(j--); }" +
" return x + y + z;" +
"} f" + num;
return eval(src);
}
function check(x,a,b,c) {
for (var i = 0; i < 3; i++) {
var f = gen(i);
%PrepareFunctionForOptimization(f);
assertEquals(x, f(a, b, c));
}
}
check(213, 3,3,3);
check(365, 4,5,6);
check(6948, 99,98,97);