/* * Copyright (c) 2025, 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. */ /* * @test * @bug 8349032 * @summary Test that UCT for a Parse Predicate with a Phi does not incorrectly have a top input after Loop Unswitching. * @run main/othervm -Xcomp -XX:CompileCommand=compileonly,*TestParsePredicateUCTWithPhi*::test * compiler.predicates.TestParsePredicateUCTWithPhi */ package compiler.predicates; public class TestParsePredicateUCTWithPhi { static int iFld; static int[][] iArrFld = new int[100][100]; static int[] iArr = new int[100]; public static void main(String[] strArr) { for (int i = 0; i < 10; i++) { test(); } } static void test() { int i1 = 3; for (int i = 7; i < 28; i++) { int i20 = 4; try { iArr[3] = i1 / i; } catch (ArithmeticException a_e) { } try { i1 = 6 / iArrFld[i][i]; } catch (ArithmeticException a_e) { } int i22 = 1; while (++i22 < 7) { try { i20 = i20 / iArrFld[i][i]; i1 = 0; i1 = iArr[1] / i; } catch (ArithmeticException a_e) { } iFld = i20; } } } }