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Kmake/deps/v8/test/mjsunit/compiler/inlined-call-polymorphic.js
2026-05-26 23:36:42 -07:00

28 lines
928 B
JavaScript

// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Flags: --allow-natives-syntax --turbofan --turboshaft-enable-debug-features
function make_closure() { return () => { return 42; } }
%PrepareFunctionForOptimization(make_closure);
%PrepareFunctionForOptimization(make_closure());
function inline_polymorphic(f) {
let answer = f();
%TurbofanStaticAssert(answer == 42);
}
%PrepareFunctionForOptimization(inline_polymorphic);
inline_polymorphic(make_closure());
inline_polymorphic(make_closure());
// Compile using top tier since we need value numbering phase for the
// TurbofanStaticAssert to deduce answer is 42 at compile time. In Turboprop
// this phase is disabled.
%OptimizeFunctionOnNextCall(inline_polymorphic);
inline_polymorphic(make_closure());
try {
inline_polymorphic(3);
} catch(e) {}