forked from LeenkxTeam/Kmake
41 lines
980 B
JavaScript
41 lines
980 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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// Flags: --no-always-turbofan
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%NeverOptimizeFunction(h);
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function h(x, d) {
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if (d == 2) { return f(x, d-1); }
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if (d == 1) {
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// Calling `f` with a string as input will trigger an eager deopt of `f`,
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// which will also trigger a lazy deopt of all instances `f` on the caller
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// stack.
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return f("str", d-1);
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}
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return x;
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}
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function g(x, d) {
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let tmp = x * 12;
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let v = h(x, d);
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return tmp + v;
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}
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function f(x, d) {
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let a = x + 2;
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return g(a, d);
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}
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%PrepareFunctionForOptimization(f);
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%PrepareFunctionForOptimization(g);
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assertEquals(572, f(42, 0));
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assertEquals(572, f(42, 0));
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%OptimizeFunctionOnNextCall(f);
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assertEquals(572, f(42, 0));
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assertOptimized(f);
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assertEquals("528552NaNstr2", f(42, 2));
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assertUnoptimized(f);
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