157 lines
4.2 KiB
Java
157 lines
4.2 KiB
Java
/*
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* Copyright (c) 2015, 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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/*
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* @test
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* @bug 8085832
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* @bug 8135069
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* @summary x <= 0 || x > 0 wrongly folded as (x-1) >u -1 and x < 0 || x > -1 wrongly folded as x >u -1
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*
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* @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
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* compiler.rangechecks.TestBadFoldCompare
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*/
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package compiler.rangechecks;
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public class TestBadFoldCompare {
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static boolean test1_taken;
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static void helper1(int i, int a, int b, boolean flag) {
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if (flag) {
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if (i <= a || i > b) {
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test1_taken = true;
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}
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}
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}
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static void test1(int i, boolean flag) {
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helper1(i, 0, 0, flag);
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}
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static boolean test2_taken;
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static void helper2(int i, int a, int b, boolean flag) {
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if (flag) {
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if (i > b || i <= a) {
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test2_taken = true;
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}
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}
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}
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static void test2(int i, boolean flag) {
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helper2(i, 0, 0, flag);
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}
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static boolean test3_taken;
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static void helper3(int i, int a, int b, boolean flag) {
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if (flag) {
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if (i < a || i > b - 1) {
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test3_taken = true;
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}
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}
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}
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static void test3(int i, boolean flag) {
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helper3(i, 0, 0, flag);
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}
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static boolean test4_taken;
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static void helper4(int i, int a, int b, boolean flag) {
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if (flag) {
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if (i > b - 1 || i < a) {
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test4_taken = true;
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}
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}
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}
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static void test4(int i, boolean flag) {
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helper4(i, 0, 0, flag);
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}
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static public void main(String[] args) {
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boolean success = true;
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for (int i = 0; i < 20000; i++) {
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helper1(5, 0, 10, (i%2)==0);
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helper1(-1, 0, 10, (i%2)==0);
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helper1(15, 0, 10, (i%2)==0);
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test1(0, false);
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}
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test1_taken = false;
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test1(0, true);
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if (!test1_taken) {
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System.out.println("Test1 failed");
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success = false;
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}
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for (int i = 0; i < 20000; i++) {
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helper2(5, 0, 10, (i%2)==0);
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helper2(-1, 0, 10, (i%2)==0);
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helper2(15, 0, 10, (i%2)==0);
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test2(0, false);
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}
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test2_taken = false;
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test2(0, true);
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if (!test2_taken) {
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System.out.println("Test2 failed");
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success = false;
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}
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for (int i = 0; i < 20000; i++) {
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helper3(5, 0, 10, (i%2)==0);
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helper3(-1, 0, 10, (i%2)==0);
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helper3(15, 0, 10, (i%2)==0);
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test3(0, false);
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}
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test3_taken = false;
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test3(0, true);
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if (!test3_taken) {
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System.out.println("Test3 failed");
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success = false;
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}
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for (int i = 0; i < 20000; i++) {
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helper4(5, 0, 10, (i%2)==0);
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helper4(-1, 0, 10, (i%2)==0);
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helper4(15, 0, 10, (i%2)==0);
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test4(0, false);
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}
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test4_taken = false;
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test4(0, true);
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if (!test4_taken) {
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System.out.println("Test4 failed");
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success = false;
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}
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if (!success) {
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throw new RuntimeException("Some tests failed");
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}
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}
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}
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