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test/compiler/intrinsics/mathexact/SplitThruPhiTest.java@f675976a61e7 (annotated)

test/compiler/intrinsics/mathexact/SplitThruPhiTest.java

Tue, 12 Nov 2013 13:47:57 +0100

author

rbackman

date

Tue, 12 Nov 2013 13:47:57 +0100

changeset 6101

f675976a61e7

parent 0

f90c822e73f8

child 6152

9949533a8623

permissions

-rw-r--r--

8028198: SIGSEGV in PhaseIdealLoop::build_loop_late_post
Reviewed-by: iveresov, kvn

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 8028198
aoqi@0	27	* @summary Verify that split through phi does the right thing
aoqi@0	28	* @compile SplitThruPhiTest.java
aoqi@0	29	* @run main SplitThruPhiTest
aoqi@0	30	*
aoqi@0	31	*/
aoqi@0	32
aoqi@0	33	public class SplitThruPhiTest {
aoqi@0	34	public static volatile int value = 19;
aoqi@0	35	public static int store = 0;
aoqi@0	36	public static void main(String[] args) {
aoqi@0	37	for (int i = 0; i < 150000; ++i) {
aoqi@0	38	store = runTest(value);
aoqi@0	39	}
aoqi@0	40	}
aoqi@0	41
aoqi@0	42	public static int runTest(int val) {
aoqi@0	43	int result = Math.addExact(val, 1);
aoqi@0	44	int total = 0;
aoqi@0	45	for (int i = val; i < 200; i = Math.addExact(i, 1)) {
aoqi@0	46	total += i;
aoqi@0	47	}
aoqi@0	48	return total;
aoqi@0	49	}
aoqi@0	50	}