47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
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// Copyright 2022 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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//
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// Flags: --allow-natives-syntax --maglev --no-stress-opt
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function f(x) {
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var y = 0;
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for (var i = 0; i < x; i++) {
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y = 1;
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}
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return y;
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}
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let keep_going = 100000; // A counter to avoid test hangs on failure.
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function g() {
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// Test that normal tiering (without OptimizeFooOnNextCall) works.
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// We test the entire pipeline, i.e. Ignition-SP-ML-TF.
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f(10);
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// TODO(v8:7700): Enable.
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/*
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if (%IsSparkplugEnabled()) {
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while (!%ActiveTierIsSparkplug(f) && --keep_going) f(10);
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assertTrue(%ActiveTierIsSparkplug(f));
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}
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if (%IsMaglevEnabled()) {
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while (!%ActiveTierIsMaglev(f) && --keep_going) f(10);
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assertTrue(%ActiveTierIsMaglev(f));
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}
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*/
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if (%IsTurbofanEnabled()) {
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while (!%ActiveTierIsTurbofan(f) && --keep_going) f(10);
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assertTrue(%ActiveTierIsTurbofan(f));
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f(10);
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assertTrue(%ActiveTierIsTurbofan(f));
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}
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}
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%NeverOptimizeFunction(g);
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g();
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