// Copyright 2024 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 --turbolev --turbofan function dematerialized_object(n) { let o = { x : 42 }; if (n < 0) { // We won't execute this code when collecting feedback, which means that // Maglev will do an unconditional deopt here. n + 5; return o; } o.x = 17; if (n == 1) { // We won't execute this code when collecting feedback, which means that // Maglev will do an unconditional deopt here. n + 5; return o; } return n + 2; } %PrepareFunctionForOptimization(dematerialized_object); assertEquals(7, dematerialized_object(5)); assertEquals(7, dematerialized_object(5)); %OptimizeFunctionOnNextCall(dematerialized_object); assertEquals(7, dematerialized_object(5)); assertEquals({x : 42}, dematerialized_object(-1)); %ClearFunctionFeedback(dematerialized_object); %PrepareFunctionForOptimization(dematerialized_object); assertEquals(7, dematerialized_object(5)); assertEquals(7, dematerialized_object(5)); %OptimizeFunctionOnNextCall(dematerialized_object); assertEquals(7, dematerialized_object(5)); assertEquals({x : 17}, dematerialized_object(1));