/* * 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. */ package compiler.intrinsics; /* * @test * @bug 8359344 * @summary Intrinsic storeMasked can add some control flow before bailing out, leaving a malformed CFG. * @modules jdk.incubator.vector * @run main/othervm -XX:+UnlockDiagnosticVMOptions * -XX:TypeProfileLevel=222 -Xbatch * -XX:CompileCommand=compileonly,jdk.incubator.vector.Long*::intoArray0 * -XX:+AbortVMOnCompilationFailure * compiler.intrinsics.VectorIntoArrayInvalidControlFlow * * @run main compiler.intrinsics.VectorIntoArrayInvalidControlFlow */ import jdk.incubator.vector.*; public class VectorIntoArrayInvalidControlFlow { private static final VectorSpecies L_SPECIES = LongVector.SPECIES_128; private static final LongVector longVector; private static final long[] longArray = new long[L_SPECIES.length()]; private static final boolean[] longMask = new boolean[L_SPECIES.length()]; private static final VectorMask longVectorMask; static { for (int i = 0; i < L_SPECIES.length(); i++) { longArray[i] = i + 1; longMask[i] = L_SPECIES.length() > 1 && i % 2 == 0; } longVector = LongVector.fromArray(L_SPECIES, longArray, 0); longVectorMask = VectorMask.fromArray(L_SPECIES, longMask, 0); } static long[] test() { long[] res = new long[L_SPECIES.length()]; for(int j = 0; j < 10_000; j++) { longVector.intoArray(res, 0, longVectorMask); } return res; } static public void main(String[] args) { test(); } }