66d5cebb49
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}
32 lines
886 B
JavaScript
32 lines
886 B
JavaScript
// Copyright 2013 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax
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function Cb(a, trigger) {
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var f, g;
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for(f = a.length; f--;) {
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g = a.charCodeAt(f);
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// This will fail after OSR if Runtime_StringCharCodeAt is modified
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// to iterates optimized frames and visit safepoint pointers.
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if (g == "C".charCodeAt(0)) {
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%OptimizeOsr();
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%PrepareFunctionForOptimization(Cb);
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}
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}
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return g;
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}
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var s1 = "long string to make cons string 1";
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var s2 = "long string to make cons string 2";
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%PrepareFunctionForOptimization(Cb);
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Cb(s1 + s2);
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%PrepareFunctionForOptimization(Cb);
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Cb(s1);
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var s3 = "string for triggering osr in Cb";
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%PrepareFunctionForOptimization(Cb);
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Cb(s3 + s3);
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%PrepareFunctionForOptimization(Cb);
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Cb(s1 + s2);
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