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}
52 lines
1.3 KiB
JavaScript
52 lines
1.3 KiB
JavaScript
// Copyright 2021 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 --sparkplug --no-always-sparkplug --use-osr
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// Flags: --opt --no-always-opt --deopt-every-n-times=0
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function isExecutingBaseline(func) {
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let opt_status = %GetOptimizationStatus(func);
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return (opt_status & V8OptimizationStatus.kTopmostFrameIsBaseline) !== 0;
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}
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function f() {
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for (var i = 0; i <= 20; i++) {
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if (i == 5) {
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%BaselineOsr();
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}
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if (i > 5) {
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assertTrue(isBaseline(f));
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assertTrue(isExecutingBaseline(f));
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}
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}
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}
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%NeverOptimizeFunction(f);
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f();
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var expectedStatus = V8OptimizationStatus.kTopmostFrameIsInterpreted;
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function checkTopmostFrame(func) {
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let opt_status = %GetOptimizationStatus(func);
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assertTrue ((opt_status & expectedStatus) !== 0, "Expected flag " +
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expectedStatus + " to be set in optimization status");
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}
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function g() {
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for (var i = 0; i <= 20; i++) {
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checkTopmostFrame(g)
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if (i == 2) {
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%BaselineOsr();
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expectedStatus = V8OptimizationStatus.kTopmostFrameIsBaseline;
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}
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if (i == 5) {
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%OptimizeOsr();
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expectedStatus = V8OptimizationStatus.kTopmostFrameIsTurboFanned;
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}
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}
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}
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%PrepareFunctionForOptimization(g);
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g();
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