forked from LeenkxTeam/Kmake
24 lines
818 B
JavaScript
24 lines
818 B
JavaScript
// Copyright 2024 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 --turbolev --turbofan
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function dematerialized_heap_number(n) {
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let f64 = 17.72;
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if (n < 0) {
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// We won't execute this code when collecting feedback, which means that
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// Maglev will do an unconditional deopt here (and {f64} will thus have no
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// use besides the frame state for this deopt).
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return f64 + 5;
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}
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return n + 2;
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}
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%PrepareFunctionForOptimization(dematerialized_heap_number);
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assertEquals(7, dematerialized_heap_number(5));
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%OptimizeFunctionOnNextCall(dematerialized_heap_number);
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assertEquals(7, dematerialized_heap_number(5));
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assertEquals(22.72, dematerialized_heap_number(-1));
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