Path: blob/master/test/hotspot/jtreg/compiler/c2/LongCountedLoopAsUnswitchIff.java
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/*1* Copyright (c) 2021, Alibaba Group Holding Limited. All Rights Reserved.2* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.3*4* This code is free software; you can redistribute it and/or modify it5* under the terms of the GNU General Public License version 2 only, as6* published by the Free Software Foundation.7*8* This code is distributed in the hope that it will be useful, but WITHOUT9* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or10* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License11* version 2 for more details (a copy is included in the LICENSE file that12* accompanied this code).13*14* You should have received a copy of the GNU General Public License version15* 2 along with this work; if not, write to the Free Software Foundation,16* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.17*18* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA19* or visit www.oracle.com if you need additional information or have any20* questions.21*22*/2324/*25* @test26* @bug 827120327* @summary C2: assert(iff->Opcode() == Op_If || iff->Opcode() == Op_CountedLoopEnd || iff->Opcode() == Op_RangeCheck) failed: Check this code when new subtype is added28* @run main/othervm -Xbatch -XX:-TieredCompilation -XX:CompileOnly=compiler.c2.LongCountedLoopAsUnswitchIff::test compiler.c2.LongCountedLoopAsUnswitchIff29*/3031package compiler.c2;3233public class LongCountedLoopAsUnswitchIff {34static int iArrFld[] = new int[400];3536public static void main(String[] strArr) {37for (int i = 0; i < 10; i++) {38test();39}40}4142static void test() {43int i = 56, i2 = 22257;4445do {46do {47int i24 = 1;48while (++i24 < 2) {49}50for (long l1 = i; l1 < 2; ++l1) {51iArrFld[0] += 5;52}53} while ((i2 -= 2) > 0);54for (long l3 = 8; l3 < 194; ++l3) {55}56} while (--i > 0);57}58}5960