--- /dev/null 2018-04-25 17:32:40.753767231 +0200 +++ new/test/hotspot/jtreg/compiler/loopstripmining/UnexpectedNodeInOuterLoopWhenCloning.java 2018-05-17 10:40:51.888872508 +0200 @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2018, Red Hat, 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 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 8202747 + * @summary C2: assert(mode == ControlAroundStripMined && use == sfpt) failed: missed a node + * + * @run main/othervm -Xcomp -Xbatch -XX:CompileOnly=UnexpectedNodeInOuterLoopWhenCloning -XX:-TieredCompilation UnexpectedNodeInOuterLoopWhenCloning + * + */ + +public class UnexpectedNodeInOuterLoopWhenCloning { + + public static final int N = 400; + + public static double dFld=0.37026; + public static int iArrFld[]=new int[N]; + + public static void vMeth() { + + int i5=6, i6=-42538, i7=-209, i8=163, i10=-4, i11=191; + boolean b=true; + double dArr[]=new double[N]; + + for (i5 = 3; i5 < 245; i5++) { + i7 = 7; + while (--i7 > 0) { + iArrFld[i7] = -11995; + if (b) continue; + } + for (i8 = 1; i8 < 7; ++i8) { + for (i10 = 1; i10 < 2; i10++) { + dFld -= i6; + i11 += i7; + } + } + } + } + + public static void main(String[] strArr) { + UnexpectedNodeInOuterLoopWhenCloning _instance = new UnexpectedNodeInOuterLoopWhenCloning(); + _instance.vMeth(); + } +}