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/*
* Copyright (c) 2022, Red Hat, Inc. 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;
import compiler.lib.ir_framework.*;
import jdk.test.lib.Utils;
import java.util.Random;
/*
* @test
* @bug 8278228
* @summary C2: Improve identical back-to-back if elimination
* @library /test/lib /
* @run driver compiler.c2.irTests.TestBackToBackIfs
*/
public class TestBackToBackIfs {
public static void main(String[] args) {
TestFramework.run();
}
static private int int_field;
@Test
@IR(counts = { IRNode.IF, "1" })
public static void test(int a, int b) {
if (a == b) {
int_field = 0x42;
} else {
int_field = 42;
}
if (a == b) {
int_field = 0x42;
} else {
int_field = 42;
}
}
@Run(test = "test")
public static void test_runner() {
test(42, 0x42);
test(0x42, 0x42);
}
}
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