310 lines
9.7 KiB
Java
310 lines
9.7 KiB
Java
/*
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* Copyright (c) 2022, 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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package compiler.c2.irTests;
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import jdk.test.lib.Asserts;
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import compiler.lib.ir_framework.*;
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/*
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* @test
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* @bug 8267265
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* @summary Test that Ideal transformations of AddLNode* are being performed as expected.
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* @library /test/lib /
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* @run driver compiler.c2.irTests.AddLNodeIdealizationTests
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*/
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public class AddLNodeIdealizationTests {
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public static void main(String[] args) {
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TestFramework.run();
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}
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@Run(test = {"additions", "xMinusX", "test1",
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"test2", "test3", "test4",
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"test5", "test6", "test7",
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"test8", "test9", "test10",
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"test11", "test12", "test13",
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"test14", "test15", "test16",
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"test17", "test18", "test19",
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"test20", "test21", "test22",
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"test23", "test24"})
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public void runMethod() {
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long a = RunInfo.getRandom().nextLong();
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long b = RunInfo.getRandom().nextLong();
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long c = RunInfo.getRandom().nextLong();
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long d = RunInfo.getRandom().nextLong();
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long min = Long.MIN_VALUE;
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long max = Long.MAX_VALUE;
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assertResult(0, 0, 0, 0);
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assertResult(a, b, c, d);
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assertResult(min, min, min, min);
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assertResult(max, max, max, max);
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}
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@DontCompile
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public void assertResult(long a, long b, long c, long d) {
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Asserts.assertEQ(((a+a) + (a+a)) , additions(a));
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Asserts.assertEQ(0L , xMinusX(a));
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Asserts.assertEQ(a + 1 + 2 , test1(a));
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Asserts.assertEQ((a + 2021) + b , test2(a, b));
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Asserts.assertEQ(a + (b + 2021) , test3(a, b));
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Asserts.assertEQ((1 - a) + 2 , test4(a));
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Asserts.assertEQ((a - b) + (c - d) , test5(a, b, c, d));
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Asserts.assertEQ((a - b) + (b + c) , test6(a, b, c));
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Asserts.assertEQ((a - b) + (c + b) , test7(a, b, c));
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Asserts.assertEQ((a - b) + (c - a) , test8(a, b, c));
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Asserts.assertEQ(a + (0 - b) , test9(a, b));
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Asserts.assertEQ((0 - b) + a , test10(a, b));
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Asserts.assertEQ((a - b) + b , test11(a, b));
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Asserts.assertEQ(b + (a - b) , test12(a, b));
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Asserts.assertEQ(a + 0 , test13(a));
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Asserts.assertEQ(0 + a , test14(a));
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Asserts.assertEQ(a*b + a*c , test15(a, b, c));
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Asserts.assertEQ(a*b + b*c , test16(a, b, c));
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Asserts.assertEQ(a*c + b*c , test17(a, b, c));
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Asserts.assertEQ(a*b + c*a , test18(a, b, c));
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Asserts.assertEQ((a - b) + 123_456_789_123L , test19(a, b));
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Asserts.assertEQ((a - b) + -123_456_788_877L , test20(a, b));
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Asserts.assertEQ((a - b) + 123_456_789_123L , test21(a, b));
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Asserts.assertEQ((a - b) + -123_456_788_877L , test22(a, b));
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Asserts.assertEQ(Math.max(a, b) + Math.min(a, b), test23(a, b));
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Asserts.assertEQ(Math.min(a, b) + Math.max(a, b), test24(a, b));
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}
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@Test
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@IR(counts = {IRNode.ADD, "2"})
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// Checks (x + x) + (x + x) => a=(x + x); r=a+a
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public long additions(long x) {
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return (x + x) + (x + x);
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}
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@Test
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@IR(failOn = {IRNode.ADD, IRNode.SUB})
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// Checks (x - x) => 0 and 0 - 0 => 0
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public long xMinusX(long x) {
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return (x - x) + (x - x);
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}
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@Test
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@IR(counts = {IRNode.ADD, "1"})
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// Checks (x + c1) + c2 => x + c3 where c3 = c1 + c2
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public long test1(long x) {
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return (x + 1) + 2;
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}
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@Test
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@IR(counts = {IRNode.ADD, "2"})
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// Checks (x + c1) + y => (x + y) + c1
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public long test2(long x, long y) {
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return (x + 2021) + y;
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}
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@Test
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@IR(counts = {IRNode.ADD, "2"})
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// Checks x + (y + c1) => (x + y) + c1
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public long test3(long x, long y) {
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return x + (y + 2021);
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}
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@Test
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@IR(failOn = {IRNode.ADD})
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@IR(counts = {IRNode.SUB, "1"})
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// Checks (c1 - x) + c2 => c3 - x where c3 = c1 + c2
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public long test4(long x) {
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return (1 - x) + 2;
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}
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@Test
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@IR(counts = {IRNode.SUB, "1",
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IRNode.ADD, "2",
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})
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// Checks (a - b) + (c - d) => (a + c) - (b + d)
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public long test5(long a, long b, long c, long d) {
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return (a - b) + (c - d);
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}
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@Test
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@IR(failOn = {IRNode.SUB})
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@IR(counts = {IRNode.ADD, "1"})
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// Checks (a - b) + (b + c) => (a + c)
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public long test6(long a, long b, long c) {
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return (a - b) + (b + c);
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}
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@Test
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@IR(failOn = {IRNode.SUB})
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@IR(counts = {IRNode.ADD, "1"})
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// Checks (a - b) + (c + b) => (a + c)
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public long test7(long a, long b, long c) {
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return (a - b) + (c + b);
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}
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@Test
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@IR(failOn = {IRNode.ADD})
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@IR(counts = {IRNode.SUB, "1"})
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// Checks (a - b) + (c - a) => (c - b)
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public long test8(long a, long b, long c) {
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return (a - b) + (c - a);
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}
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@Test
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@IR(failOn = {IRNode.ADD})
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@IR(counts = {IRNode.SUB, "1"})
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// Checks x + (0 - y) => (x - y)
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public long test9(long x, long y) {
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return x + (0 - y);
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}
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@Test
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@IR(failOn = {IRNode.ADD})
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@IR(counts = {IRNode.SUB, "1"})
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// Checks (0 - y) + x => (x - y)
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public long test10(long x, long y) {
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return (0 - y) + x;
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}
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@Test
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@IR(failOn = {IRNode.ADD, IRNode.SUB})
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// Checks (x - y) + y => x
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public long test11(long x, long y) {
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return (x - y) + y;
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}
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@Test
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@IR(failOn = {IRNode.ADD, IRNode.SUB})
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// Checks y + (x - y) => x
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public long test12(long x, long y) {
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return y + (x - y);
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}
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@Test
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@IR(failOn = {IRNode.ADD})
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// Checks x + 0 => x
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public long test13(long x) {
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return x + 0;
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}
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@Test
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@IR(failOn = {IRNode.ADD})
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// Checks 0 + x => x
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public long test14(long x) {
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return 0 + x;
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}
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@Test
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@IR(counts = {IRNode.MUL, "1",
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IRNode.ADD, "1"
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})
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// Checks "a*b + a*c => a*(b+c)
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public long test15(long a, long b, long c) {
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return a*b + a*c;
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}
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@Test
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@IR(counts = {IRNode.MUL, "1",
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IRNode.ADD, "1"
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})
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// Checks a*b + b*c => b*(a+c)
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public long test16(long a, long b, long c) {
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return a*b + b*c;
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}
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@Test
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@IR(counts = {IRNode.MUL, "1",
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IRNode.ADD, "1"
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})
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// Checks a*c + b*c => (a+b)*c
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public long test17(long a, long b, long c) {
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return a*c + b*c;
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}
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@Test
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@IR(counts = {IRNode.MUL, "1",
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IRNode.ADD, "1"
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})
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// Checks a*b + c*a => a*(b+c)
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public long test18(long a, long b, long c) {
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return a*b + c*a;
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}
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@Test
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@IR(counts = {IRNode.SUB_L, "1",
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IRNode.ADD_L, "1",
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IRNode.CON_L, "1"})
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// Checks x + (con - y) => (x - y) + con
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// where con > 0
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public long test19(long x, long y) {
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return x + (123_456_789_000L - y) + 123;
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// transformed to (x - y) + 123_456_789_123L;
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}
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@Test
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@IR(counts = {IRNode.SUB_L, "1",
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IRNode.ADD_L, "1",
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IRNode.CON_L, "1"})
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// Checks x + (con - y) => (x - y) + con
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// where con < 0
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public long test20(long x, long y) {
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return x + (-123_456_789_000L - y) + 123;
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// transformed to (x - y) + -123_456_788_877L;
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}
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@Test
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@IR(counts = {IRNode.SUB_L, "1",
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IRNode.ADD_L, "1",
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IRNode.CON_L, "1"})
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// Checks (con - y) + x => (x - y) + con
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// where con > 0
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public long test21(long x, long y) {
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return x + (123_456_789_000L - y) + 123;
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// transformed to (x - y) + 123_456_789_123L;
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}
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@Test
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@IR(counts = {IRNode.SUB_L, "1",
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IRNode.ADD_L, "1",
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IRNode.CON_L, "1"})
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// Checks (con - y) + x => (x - y) + con
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// where con < 0
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public long test22(long x, long y) {
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return x + (-123_456_789_000L - y) + 123;
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// transformed to (x - y) + -123_456_788_877L;
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}
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@Test
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@IR(failOn = { IRNode.MAX, IRNode.MIN })
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@IR(counts = { IRNode.ADD, "1" })
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// Checks Math.max(a, b) + Math.min(a, b) => a + b
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public long test23(long a, long b) {
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return Math.max(a, b) + Math.min(a, b);
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}
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@Test
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@IR(failOn = { IRNode.MAX, IRNode.MIN })
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@IR(counts = { IRNode.ADD, "1" })
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// Checks Math.min(a, b) + Math.max(a, b) => a + b
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public long test24(long a, long b) {
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return Math.min(a, b) + Math.max(a, b);
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}
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}
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