1 /* 2 * Copyright (c) 2018, Red Hat, Inc. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * @test 26 * @bug 8210390 27 * @summary C2 still crashes with "assert(mode == ControlAroundStripMined && use == sfpt) failed: missed a node" 28 * 29 * @run main/othervm -Xcomp StripMinedLoopReorgOffsets 30 * 31 */ 32 33 public class StripMinedLoopReorgOffsets { 34 35 public static final int N = 400; 36 37 public static long instanceCount=-4622920139809038929L; 38 mainTest(String[] strArr1)39 public void mainTest(String[] strArr1) { 40 41 int i1=-211, i20=54720, i21=205, i22=2184, i23=58, i24=-50110, iArr3[]=new int[N]; 42 43 for (i20 = 16; 331 > i20; ++i20) { 44 i1 = i20; 45 i21 += i1; 46 iArr3[i20] <<= (int)StripMinedLoopReorgOffsets.instanceCount; 47 for (i22 = 4; i22 < 80; i22++) { 48 i21 = i23; 49 i24 = 1; 50 while (++i24 < 2) { 51 try { 52 iArr3[i22] = (i23 / i1); 53 } catch (ArithmeticException a_e) {} 54 } 55 } 56 } 57 58 System.out.println("i1 i20 = " + i1 + "," + i20); 59 System.out.println("i21 i22 i23 = " + i21 + "," + i22 + "," + i23); 60 System.out.println("i24 = " + i24); 61 } main(String[] strArr)62 public static void main(String[] strArr) { 63 StripMinedLoopReorgOffsets _instance = new StripMinedLoopReorgOffsets(); 64 for (int i = 0; i < 10; i++ ) { 65 _instance.mainTest(strArr); 66 } 67 } 68 } 69