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/*
* Copyright (c) 2024, 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.
*/
/*
* @test
* @bug 8331194
* @summary Check that Reduce Allocation Merges doesn't crash when an input
* of the Phi is not the _current_ output of the Phi but said input
* needs to be rematerialized because it's used regardless of the
* Phi output.
* @run main/othervm -XX:CompileCommand=dontinline,*TestReduceAllocationAndNestedScalarized*::test
* -XX:CompileCommand=compileonly,*TestReduceAllocationAndNestedScalarized*::test
* -XX:CompileCommand=compileonly,*Picture*::*init*
* -XX:CompileCommand=compileonly,*Point*::*init*
* -XX:CompileCommand=exclude,*Unloaded*::*
* -XX:+IgnoreUnrecognizedVMOptions
* -XX:-TieredCompilation
* -XX:-UseCompressedOops
* -Xcomp
* -server
* compiler.escapeAnalysis.TestReduceAllocationAndNestedScalarized
* @run main compiler.escapeAnalysis.TestReduceAllocationAndNestedScalarized
*/
package compiler.escapeAnalysis;
public class TestReduceAllocationAndNestedScalarized {
static class Picture {
public Point first;
public Point second;
}
static class Point {
int x;
}
static class Unloaded {
}
static int test(boolean cond) {
Picture p = new Picture();
p.first = new Point();
Point p2 = p.first;
if (cond) p2 = new Point();
p.second = p2;
new Unloaded();
return p.first.x;
}
public static void main(String[] args) {
Picture pic = new Picture();
Point pnt = new Point();
int res = test(true);
System.out.println("Result is: " + res);
}
}
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