81 lines
2.8 KiB
Java
81 lines
2.8 KiB
Java
/*
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* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8331194
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* @summary Check that Reduce Allocation Merges doesn't crash when an input
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* of the Phi is not the _current_ output of the Phi but said input
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* needs to be rematerialized because it's used regardless of the
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* Phi output.
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* @run main/othervm -XX:CompileCommand=dontinline,*TestReduceAllocationAndNestedScalarized*::test
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* -XX:CompileCommand=compileonly,*TestReduceAllocationAndNestedScalarized*::test
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* -XX:CompileCommand=compileonly,*Picture*::*init*
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* -XX:CompileCommand=compileonly,*Point*::*init*
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* -XX:CompileCommand=exclude,*Unloaded*::*
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* -XX:+IgnoreUnrecognizedVMOptions
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* -XX:-TieredCompilation
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* -XX:-UseCompressedOops
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* -Xcomp
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* -server
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* compiler.escapeAnalysis.TestReduceAllocationAndNestedScalarized
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* @run main compiler.escapeAnalysis.TestReduceAllocationAndNestedScalarized
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*/
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package compiler.escapeAnalysis;
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public class TestReduceAllocationAndNestedScalarized {
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static class Picture {
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public Point first;
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public Point second;
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}
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static class Point {
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int x;
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}
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static class Unloaded {
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}
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static int test(boolean cond) {
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Picture p = new Picture();
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p.first = new Point();
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Point p2 = p.first;
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if (cond) p2 = new Point();
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p.second = p2;
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new Unloaded();
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return p.first.x;
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}
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public static void main(String[] args) {
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Picture pic = new Picture();
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Point pnt = new Point();
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int res = test(true);
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System.out.println("Result is: " + res);
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}
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}
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