/* * Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package compiler.c2.irTests.scalarReplacement; import compiler.lib.ir_framework.*; /* * @test * @bug 8267265 * @summary Tests that Escape Analysis and Scalar Replacement is able to handle some simple cases. * @library /test/lib / * @run driver compiler.c2.irTests.scalarReplacement.ScalarReplacementTests */ public class ScalarReplacementTests { private class Person { private String name; private int age; public Person(Person p) { this.name = p.getName(); this.age = p.getAge(); } public Person(String name, int age) { this.name = name; this.age = age; } public String getName() { return name; } public int getAge() { return age; } } public static void main(String[] args) { TestFramework.run(); } @Test @Arguments(values = Argument.RANDOM_EACH) @IR(failOn = {IRNode.CALL, IRNode.LOAD, IRNode.STORE, IRNode.FIELD_ACCESS, IRNode.ALLOC}) public String stringConstant(int age) { Person p = new Person("Java", age); return p.getName(); } @Test @Arguments(values = Argument.RANDOM_EACH) @IR(failOn = {IRNode.CALL, IRNode.LOAD, IRNode.STORE, IRNode.FIELD_ACCESS, IRNode.ALLOC}) public int intConstant(int age) { Person p = new Person("Java", age); return p.getAge(); } @Test @Arguments(values = Argument.RANDOM_EACH) @IR(failOn = {IRNode.CALL, IRNode.LOAD, IRNode.STORE, IRNode.FIELD_ACCESS, IRNode.ALLOC}) public String nestedStringConstant(int age) { Person p1 = new Person("Java", age); Person p2 = new Person(p1); return p2.getName(); } @Test @Arguments(values = Argument.RANDOM_EACH) @IR(failOn = {IRNode.CALL, IRNode.LOAD, IRNode.STORE, IRNode.FIELD_ACCESS, IRNode.ALLOC}) public int nestedIntConstant(int age) { Person p1 = new Person("Java", age); Person p2 = new Person(p1); return p2.getAge(); } @Test @Arguments(values = {Argument.RANDOM_EACH, Argument.RANDOM_EACH}) @IR(failOn = {IRNode.CALL, IRNode.LOAD, IRNode.STORE, IRNode.FIELD_ACCESS, IRNode.ALLOC}) public int nestedConstants(int age1, int age2) { Person p = new Person( new Person("Java", age1).getName(), new Person("Java", age2).getAge()); return p.getAge(); } }