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09a8440b45
PR-URL: https://github.com/nodejs/node/pull/51362 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
54 lines
1.6 KiB
JavaScript
54 lines
1.6 KiB
JavaScript
// Copyright 2023 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: --sparkplug --no-always-sparkplug --maglev --turbofan
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// Flags: --no-always-turbofan --allow-natives-syntax --concurrent-recompilation
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// Note: OSR from Maglev to Turbofan requires --concurrent-recompilation.
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const topLevel = %GetFunctionForCurrentFrame();
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let status = %GetOptimizationStatus(topLevel);
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assertTrue(topFrameIsInterpreted(status));
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assertFalse(topFrameIsBaseline(status));
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assertFalse(topFrameIsMaglevved(status));
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assertFalse(topFrameIsTurboFanned(status));
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// Need a back edge for OSR to happen:
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for (let i = 0; i < 1; ++i) {
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if (i == 0) {
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%BaselineOsr();
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}
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}
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status = %GetOptimizationStatus(topLevel);
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assertFalse(topFrameIsInterpreted(status));
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assertTrue(topFrameIsBaseline(status));
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assertFalse(topFrameIsMaglevved(status));
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assertFalse(topFrameIsTurboFanned(status));
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%PrepareFunctionForOptimization(topLevel);
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let gotMaglevved = false;
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let gotTurbofanned = false;
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for (let i = 0; ; ++i) {
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if (i == 1 || i == 2) {
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%OptimizeOsr();
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}
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status = %GetOptimizationStatus(topLevel);
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const isMaglevved = topFrameIsMaglevved(status);
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const isTurbofanned = topFrameIsTurboFanned(status);
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// The test will opt, deopt and opt again. We assert below that we reach the
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// top tiers at some point.
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gotMaglevved = gotMaglevved || isMaglevved;
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gotTurbofanned = gotTurbofanned || isTurbofanned;
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if (gotTurbofanned) {
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// This will deopt but it's fine, the test is over.
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break;
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}
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}
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assertTrue(gotMaglevved);
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assertTrue(gotTurbofanned);
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