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/*
* Copyright (c) 2023, 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.
*/
package compiler.c2.irTests;
import jdk.test.lib.Asserts;
import compiler.lib.ir_framework.*;
import java.util.Random;
import jdk.test.lib.Utils;
/*
* @test
* @summary Test that unnessercary test instructions are not present in the final code
* @bug 8312213
* @library /test/lib /
* @requires vm.compiler2.enabled
* @requires os.arch == "x86_64" | os.arch == "amd64"
* @run driver compiler.c2.irTests.TestTestRemovalPeephole
*/
public class TestTestRemovalPeephole {
static volatile boolean field;
public static void main(String[] args) {
TestFramework.run();
}
@Test
@Arguments(values = {Argument.RANDOM_EACH, Argument.RANDOM_EACH})
@IR(failOn = {IRNode.X86_TESTI_REG, IRNode.X86_TESTL_REG}, phase = CompilePhase.FINAL_CODE)
public boolean testIntAddtionEquals0(int x, int y) {
int result = x + y;
if (result == 0) {
field = true;
return true;
}
return false;
}
@Test
@Arguments(values = {Argument.RANDOM_EACH, Argument.RANDOM_EACH})
@IR(failOn = {IRNode.X86_TESTI_REG, IRNode.X86_TESTL_REG}, phase = CompilePhase.FINAL_CODE)
public boolean testIntAddtionNotEquals0(int x, int y) {
int result = x + y;
if (result != 0) {
field = true;
return true;
}
return false;
}
@Test
@Arguments(values = {Argument.RANDOM_EACH, Argument.RANDOM_EACH})
@IR(failOn = {IRNode.X86_TESTI_REG, IRNode.X86_TESTL_REG}, phase = CompilePhase.FINAL_CODE)
public boolean testLongAddtionEquals0(long x, long y) {
long result = x + y;
if (result == 0) {
field = true;
return true;
}
return false;
}
@Test
@Arguments(values = {Argument.RANDOM_EACH, Argument.RANDOM_EACH})
@IR(failOn = {IRNode.X86_TESTI_REG, IRNode.X86_TESTL_REG}, phase = CompilePhase.FINAL_CODE)
public boolean testLongAddtionNotEquals0(long x, long y) {
long result = x + y;
if (result != 0) {
field = true;
return true;
}
return false;
}
@Test
@Arguments(values = {Argument.RANDOM_EACH, Argument.RANDOM_EACH})
@IR(failOn = {IRNode.X86_TESTI_REG, IRNode.X86_TESTL_REG}, phase = CompilePhase.FINAL_CODE)
public boolean testIntOrEquals0(int x, int y) {
int result = x | y;
if (result == 0) {
field = true;
return true;
}
return false;
}
@Test
@Arguments(values = {Argument.RANDOM_EACH, Argument.RANDOM_EACH})
@IR(failOn = {IRNode.X86_TESTI_REG, IRNode.X86_TESTL_REG}, phase = CompilePhase.FINAL_CODE)
public boolean testIntOrNotEquals0(int x, int y) {
int result = x | y;
if (result != 0) {
field = true;
return true;
}
return false;
}
@Test
@Arguments(values = {Argument.RANDOM_EACH, Argument.RANDOM_EACH})
@IR(failOn = {IRNode.X86_TESTI_REG, IRNode.X86_TESTL_REG}, phase = CompilePhase.FINAL_CODE)
public boolean testLongOrEquals0(long x, long y) {
long result = x | y;
if (result == 0) {
field = true;
return true;
}
return false;
}
@Test
@Arguments(values = {Argument.RANDOM_EACH, Argument.RANDOM_EACH})
@IR(failOn = {IRNode.X86_TESTI_REG, IRNode.X86_TESTL_REG}, phase = CompilePhase.FINAL_CODE)
public boolean testLongOrNotEquals0(long x, long y) {
long result = x | y;
if (result != 0) {
field = true;
return true;
}
return false;
}
@Test
@Arguments(values = {Argument.RANDOM_EACH, Argument.RANDOM_EACH})
@IR(failOn = {IRNode.X86_TESTI_REG, IRNode.X86_TESTL_REG}, phase = CompilePhase.FINAL_CODE)
public boolean testIntOrGreater0(int x, int y) {
int result = x | y;
if (result > 0) {
field = true;
return true;
}
return false;
}
@Test
@Arguments(values = {Argument.RANDOM_EACH, Argument.RANDOM_EACH})
@IR(failOn = {IRNode.X86_TESTI_REG, IRNode.X86_TESTL_REG}, phase = CompilePhase.FINAL_CODE)
public boolean testLongOrGreater0(long x, long y) {
long result = x | y;
if (result > 0) {
field = true;
return true;
}
return false;
}
@DontCompile
public void assertResult(int x, int y) {
Asserts.assertEQ((x + y) == 0, testIntAddtionEquals0(x, y));
Asserts.assertEQ((x + y) != 0, testIntAddtionNotEquals0(x, y));
Asserts.assertEQ((x | y) == 0, testIntOrEquals0(x, y));
Asserts.assertEQ((x | y) != 0, testIntOrNotEquals0(x, y));
Asserts.assertEQ((x | y) > 0, testIntOrGreater0(x, y));
}
@DontCompile
public void assertResult(long x, long y) {
Asserts.assertEQ((x + y) == 0, testLongAddtionEquals0(x, y));
Asserts.assertEQ((x + y) != 0, testLongAddtionNotEquals0(x, y));
Asserts.assertEQ((x | y) == 0, testLongOrEquals0(x, y));
Asserts.assertEQ((x | y) != 0, testLongOrNotEquals0(x, y));
Asserts.assertEQ((x | y) > 0, testLongOrGreater0(x, y));
}
}
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