forked from LeenkxTeam/Kmake
35 lines
679 B
JavaScript
35 lines
679 B
JavaScript
// 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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// Flags: --allow-natives-syntax --maglev --no-always-turbofan
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var x = 1;
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var do_change = {};
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do_change = false;
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function g() {
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if (do_change) {
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x = 2;
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return 40;
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}
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return 30;
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}
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function f() {
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return g() + x;
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}
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%PrepareFunctionForOptimization(f);
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assertEquals(31, f());
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%OptimizeMaglevOnNextCall(f);
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assertEquals(31, f());
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assertTrue(isMaglevved(f));
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// Trigger a lazy deopt on the next g() call.
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do_change = true;
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assertEquals(42, f());
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assertFalse(isMaglevved(f));
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assertUnoptimized(f);
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