5edec0e39a
PR-URL: https://github.com/nodejs/node/pull/55014 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
27 lines
789 B
JavaScript
27 lines
789 B
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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//
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// Flags: --maglev --allow-natives-syntax --maglev-untagged-phis
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function f(a) {
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let int32 = a + 1;
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let int32_phi = a ? int32 : 42;
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let int32_use = int32_phi + 1;
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// {float64_phi} has an Int32 input and a Float64 use, we should thus generate
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// a Float64 phi for it. One of its inputs is {int32_phi}, which should have
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// been untagged as Int32, and for which we should thus require an
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// Int32ToFloat64 conversion.
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let float64_phi = a ? int32_phi : int32;
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let float64_use = float64_phi + 4.5;
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return float64_use;
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}
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%PrepareFunctionForOptimization(f);
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f(1);
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%OptimizeMaglevOnNextCall(f);
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f(1);
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