| /* |
| * Copyright (c) 2016, 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 8150102 8150514 8150534 |
| * @summary C1 crashes in Canonicalizer::do_ArrayLength() after fix for JDK-8150102 |
| * |
| * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions |
| * -XX:CompileThreshold=100 -XX:+TieredCompilation -XX:TieredStopAtLevel=1 |
| * -XX:-BackgroundCompilation |
| * compiler.c1.CanonicalizeArrayLength |
| * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions |
| * -XX:CompileThreshold=100 -XX:+TieredCompilation -XX:TieredStopAtLevel=1 |
| * -XX:-BackgroundCompilation |
| * -XX:+PatchALot |
| * compiler.c1.CanonicalizeArrayLength |
| * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions |
| * -XX:CompileThreshold=100 -XX:+TieredCompilation -XX:TieredStopAtLevel=1 |
| * -XX:-BackgroundCompilation |
| * -XX:ScavengeRootsInCode=0 |
| * compiler.c1.CanonicalizeArrayLength |
| * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions |
| * -XX:CompileThreshold=100 -XX:+TieredCompilation -XX:TieredStopAtLevel=1 |
| * -XX:-BackgroundCompilation -XX:ScavengeRootsInCode=1 |
| * compiler.c1.CanonicalizeArrayLength |
| */ |
| |
| package compiler.c1; |
| |
| public class CanonicalizeArrayLength { |
| int[] arr = new int[42]; |
| int[] arrNull = null; |
| |
| final int[] finalArr = new int[42]; |
| final int[] finalArrNull = null; |
| |
| static int[] staticArr = new int[42]; |
| static int[] staticArrNull = null; |
| |
| static final int[] staticFinalArr = new int[42]; |
| static final int[] staticFinalArrNull = null; |
| |
| public static void main(String... args) { |
| CanonicalizeArrayLength t = new CanonicalizeArrayLength(); |
| for (int i = 0; i < 20000; i++) { |
| if (t.testLocal() != 42) |
| throw new IllegalStateException(); |
| if (t.testLocalNull() != 42) |
| throw new IllegalStateException(); |
| if (t.testField() != 42) |
| throw new IllegalStateException(); |
| if (t.testFieldNull() != 42) |
| throw new IllegalStateException(); |
| if (t.testFinalField() != 42) |
| throw new IllegalStateException(); |
| if (t.testFinalFieldNull() != 42) |
| throw new IllegalStateException(); |
| if (t.testStaticField() != 42) |
| throw new IllegalStateException(); |
| if (t.testStaticFieldNull() != 42) |
| throw new IllegalStateException(); |
| if (t.testStaticFinalField() != 42) |
| throw new IllegalStateException(); |
| if (t.testStaticFinalFieldNull() != 42) |
| throw new IllegalStateException(); |
| } |
| } |
| |
| int testField() { |
| try { |
| return arr.length; |
| } catch (Throwable t) { |
| return -1; |
| } |
| } |
| |
| int testFieldNull() { |
| try { |
| return arrNull.length; |
| } catch (Throwable t) { |
| return 42; |
| } |
| } |
| |
| int testFinalField() { |
| try { |
| return finalArr.length; |
| } catch (Throwable t) { |
| return -1; |
| } |
| } |
| |
| int testFinalFieldNull() { |
| try { |
| return finalArrNull.length; |
| } catch (Throwable t) { |
| return 42; |
| } |
| } |
| |
| int testStaticField() { |
| try { |
| return staticArr.length; |
| } catch (Throwable t) { |
| return -1; |
| } |
| } |
| |
| int testStaticFieldNull() { |
| try { |
| return staticArrNull.length; |
| } catch (Throwable t) { |
| return 42; |
| } |
| } |
| |
| int testStaticFinalField() { |
| try { |
| return staticFinalArr.length; |
| } catch (Throwable t) { |
| return -1; |
| } |
| } |
| |
| int testStaticFinalFieldNull() { |
| try { |
| return staticFinalArrNull.length; |
| } catch (Throwable t) { |
| return 42; |
| } |
| } |
| |
| int testLocal() { |
| int[] arr = new int[42]; |
| try { |
| return arr.length; |
| } catch (Throwable t) { |
| return -1; |
| } |
| } |
| |
| int testLocalNull() { |
| int[] arrNull = null; |
| try { |
| return arrNull.length; |
| } catch (Throwable t) { |
| return 42; |
| } |
| } |
| |
| |
| } |