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/*
* Copyright (c) 2022, Arm Limited. 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.*;
/*
* @test
* @bug 8276673 8280089
* @summary Test abs nodes optimization in C2.
* @requires os.arch=="amd64" | os.arch=="x86_64" | os.arch=="aarch64" | os.arch=="riscv64"
* @library /test/lib /
* @run driver compiler.c2.irTests.TestIRAbs
*/
public class TestIRAbs {
public static char [] cspecial = {
0, 42, 128, 256, 1024, 4096, 65535
};
public static int [] ispecial = {
0, Integer.MAX_VALUE, Integer.MIN_VALUE, -42, 42, -1, 1
};
public static long [] lspecial = {
0, Long.MAX_VALUE, Long.MIN_VALUE, -42, 42, -1, 1
};
public static float [] fspecial = {
0.0f,
-0.0f,
Float.MAX_VALUE,
Float.MIN_VALUE,
-Float.MAX_VALUE,
-Float.MIN_VALUE,
Float.NaN,
Float.POSITIVE_INFINITY,
Float.NEGATIVE_INFINITY,
Integer.MAX_VALUE,
Integer.MIN_VALUE,
Long.MAX_VALUE,
Long.MIN_VALUE,
-1.0f,
1.0f,
-42.0f,
42.0f
};
public static double [] dspecial = {
0.0,
-0.0,
Double.MAX_VALUE,
Double.MIN_VALUE,
-Double.MAX_VALUE,
-Double.MIN_VALUE,
Double.NaN,
Double.POSITIVE_INFINITY,
Double.NEGATIVE_INFINITY,
Integer.MAX_VALUE,
Integer.MIN_VALUE,
Long.MIN_VALUE,
Long.MAX_VALUE,
-1,
1,
42,
-42,
Math.PI,
Math.E,
Float.MAX_VALUE,
Float.MIN_VALUE,
-Float.MAX_VALUE,
-Float.MIN_VALUE,
Float.NaN,
Float.POSITIVE_INFINITY,
Float.NEGATIVE_INFINITY
};
public static void main(String[] args) {
TestFramework.run();
}
@Test
@IR(failOn = {IRNode.ABS_I, IRNode.ABS_L, IRNode.ABS_F, IRNode.ABS_D})
public void testAbsConstant() {
// Test abs(constant) optimization for int
Asserts.assertEquals(Integer.MAX_VALUE, Math.abs(Integer.MAX_VALUE));
Asserts.assertEquals(Integer.MIN_VALUE, Math.abs(Integer.MIN_VALUE));
Asserts.assertEquals(Integer.MAX_VALUE, Math.abs(-Integer.MAX_VALUE));
// Test abs(constant) optimization for long
Asserts.assertEquals(Long.MAX_VALUE, Math.abs(Long.MAX_VALUE));
Asserts.assertEquals(Long.MIN_VALUE, Math.abs(Long.MIN_VALUE));
Asserts.assertEquals(Long.MAX_VALUE, Math.abs(-Long.MAX_VALUE));
// Test abs(constant) optimization for float
Asserts.assertTrue(Float.isNaN(Math.abs(Float.NaN)));
Asserts.assertEquals(Float.POSITIVE_INFINITY, Math.abs(Float.NEGATIVE_INFINITY));
Asserts.assertEquals(Float.POSITIVE_INFINITY, Math.abs(Float.POSITIVE_INFINITY));
Asserts.assertEquals(0.0f, Math.abs(0.0f));
Asserts.assertEquals(0.0f, Math.abs(-0.0f));
Asserts.assertEquals(Float.MAX_VALUE, Math.abs(Float.MAX_VALUE));
Asserts.assertEquals(Float.MIN_VALUE, Math.abs(Float.MIN_VALUE));
Asserts.assertEquals(Float.MAX_VALUE, Math.abs(-Float.MAX_VALUE));
Asserts.assertEquals(Float.MIN_VALUE, Math.abs(-Float.MIN_VALUE));
// Test abs(constant) optimization for double
Asserts.assertTrue(Double.isNaN(Math.abs(Double.NaN)));
Asserts.assertEquals(Double.POSITIVE_INFINITY, Math.abs(Double.NEGATIVE_INFINITY));
Asserts.assertEquals(Double.POSITIVE_INFINITY, Math.abs(Double.POSITIVE_INFINITY));
Asserts.assertEquals(0.0, Math.abs(0.0));
Asserts.assertEquals(0.0, Math.abs(-0.0));
Asserts.assertEquals(Double.MAX_VALUE, Math.abs(Double.MAX_VALUE));
Asserts.assertEquals(Double.MIN_VALUE, Math.abs(Double.MIN_VALUE));
Asserts.assertEquals(Double.MAX_VALUE, Math.abs(-Double.MAX_VALUE));
Asserts.assertEquals(Double.MIN_VALUE, Math.abs(-Double.MIN_VALUE));
}
@Test
@IR(counts = {IRNode.ABS_I, "1"})
public int testInt0(int x) {
return Math.abs(Math.abs(x)); // transformed to Math.abs(x)
}
@Test
@IR(failOn = {IRNode.SUB_I})
@IR(counts = {IRNode.ABS_I, "1"})
public int testInt1(int x) {
return Math.abs(0 - x); // transformed to Math.abs(x)
}
@Run(test = {"testInt0", "testInt1"})
public void checkTestInt(RunInfo info) {
for (int i = 0; i < ispecial.length; i++) {
Asserts.assertEquals(Math.abs(ispecial[i]), testInt0(ispecial[i]));
Asserts.assertEquals(Math.abs(ispecial[i]), testInt1(ispecial[i]));
}
}
@Test
@IR(counts = {IRNode.ABS_L, "1"})
public long testLong0(long x) {
return Math.abs(Math.abs(x)); // transformed to Math.abs(x)
}
@Test
@IR(failOn = {IRNode.SUB_L})
@IR(counts = {IRNode.ABS_L, "1"})
public long testLong1(long x) {
return Math.abs(0 - x); // transformed to Math.abs(x)
}
@Run(test = {"testLong0", "testLong1"})
public void checkTestLong(RunInfo info) {
for (int i = 0; i < lspecial.length; i++) {
Asserts.assertEquals(Math.abs(lspecial[i]), testLong0(lspecial[i]));
Asserts.assertEquals(Math.abs(lspecial[i]), testLong1(lspecial[i]));
}
}
@Test
@IR(counts = {IRNode.ABS_F, "1"})
public float testFloat0(float x) {
return Math.abs(Math.abs(x)); // transformed to Math.abs(x)
}
@Test
@IR(failOn = {IRNode.SUB_F})
@IR(counts = {IRNode.ABS_F, "1"})
public float testFloat1(float x) {
return Math.abs(0 - x); // transformed to Math.abs(x)
}
@Run(test = {"testFloat0", "testFloat1"})
public void checkTestFloat(RunInfo info) {
for (int i = 0; i < fspecial.length; i++) {
Asserts.assertEquals(Math.abs(fspecial[i]), testFloat0(fspecial[i]));
Asserts.assertEquals(Math.abs(fspecial[i]), testFloat1(fspecial[i]));
}
}
@Test
@IR(counts = {IRNode.ABS_D, "1"})
public double testDouble0(double x) {
return Math.abs(Math.abs(x)); // transformed to Math.abs(x)
}
@Test
@IR(failOn = {IRNode.SUB_D})
@IR(counts = {IRNode.ABS_D, "1"})
public double testDouble1(double x) {
return Math.abs(0 - x); // transformed to Math.abs(x)
}
@Run(test = {"testDouble0", "testDouble1"})
public void checkTestDouble(RunInfo info) {
for (int i = 0; i < dspecial.length; i++) {
Asserts.assertEquals(Math.abs(dspecial[i]), testDouble0(dspecial[i]));
Asserts.assertEquals(Math.abs(dspecial[i]), testDouble1(dspecial[i]));
}
}
@Test
@IR(failOn = {IRNode.ABS_I})
public void testChar() {
for (int i = 0; i < cspecial.length; i++) {
Asserts.assertEquals(cspecial[i], (char) Math.abs(cspecial[i]));
}
}
}
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