Mercurial > hg > graal-compiler
diff test/compiler/6823453/Test.java @ 704:ad8c635e757e
6823453: DeoptimizeALot causes fastdebug server jvm to fail with assert(false,"unscheduable graph")
Summary: Use a HaltNode on the fall through path of the AllocateArrayNode to indicate that it is unreachable if the array length is negative.
Reviewed-by: never, jrose
author | kvn |
---|---|
date | Fri, 03 Apr 2009 13:33:32 -0700 |
parents | |
children | d6b9fd78f389 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/6823453/Test.java Fri Apr 03 13:33:32 2009 -0700 @@ -0,0 +1,96 @@ +/* + * Copyright 2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +/* + * @test + * @bug 6823453 + * @summary DeoptimizeALot causes fastdebug server jvm to fail with assert(false,"unscheduable graph") + * @run main/othervm -Xcomp -XX:CompileOnly=Test -XX:+DeoptimizeALot Test + */ + +public class Test { + + static long vara_1 = 1L; + + static void testa() { + short var_2 = (byte) 1.0E10; + + for ( Object temp = new byte[(byte)1.0E10]; true ; + var_2 = "1".equals("0") ? ((byte) vara_1) : 1 ) {} + } + + static void testb() { + long var_1 = -1L; + + short var_2 = (byte) 1.0E10; + + for ( Object temp = new byte[(byte)1.0E10]; true ; + var_2 = "1".equals("0") ? ((byte) var_1) : 1 ) {} + } + + static void testc() { + long var_1 = -1L; + if (vara_1 > 0) var_1 = 1L; + + int var_2 = (byte)var_1 - 128; + + for ( Object temp = new byte[var_2]; true ; + var_2 = "1".equals("0") ? 2 : 1 ) {} + } + + static void testd() { + long var_1 = 0L; + + int var_2 = (byte)var_1 + 1; + for (int i=0; i<2 ; i++) var_2 = var_2 - 1; + + for ( Object temp = new byte[var_2]; true ; + var_2 = "1".equals("0") ? 2 : 1 ) {} + } + + public static void main(String[] args) throws Exception { + int nex = 0; + + try { + testa(); + } + catch (java.lang.NegativeArraySizeException ex) { nex++; } + try { + testb(); + } + catch (java.lang.NegativeArraySizeException ex) { nex++; } + try { + testc(); + } + catch (java.lang.NegativeArraySizeException ex) { nex++; } + try { + testd(); + } + catch (java.lang.NegativeArraySizeException ex) { nex++; } + + if (nex != 4) + System.exit(97); + } +} +