1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/compiler/tiered/ConstantGettersTransitionsTest.java Mon Jun 03 16:14:54 2019 +0100
1.3 @@ -0,0 +1,193 @@
1.4 +/*
1.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +import java.lang.reflect.Executable;
1.28 +import java.util.concurrent.Callable;
1.29 +
1.30 +/**
1.31 + * @test ConstantGettersTransitionsTest
1.32 + * @library /testlibrary /testlibrary/whitebox /compiler/whitebox
1.33 + * @build TransitionsTestExecutor ConstantGettersTransitionsTest
1.34 + * @run main ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission
1.35 + * @run main/othervm/timeout=240 -Xmixed -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
1.36 + * -XX:+WhiteBoxAPI -XX:+TieredCompilation
1.37 + * -XX:CompileCommand=compileonly,ConstantGettersTestCase$TrivialMethods::*
1.38 + * TransitionsTestExecutor ConstantGettersTransitionsTest
1.39 + * @summary Test the correctness of compilation level transitions for constant getters methods
1.40 + */
1.41 +public class ConstantGettersTransitionsTest extends LevelTransitionTest {
1.42 + public static void main(String[] args) {
1.43 + assert (!CompilerWhiteBoxTest.skipOnTieredCompilation(false));
1.44 +
1.45 + // run test cases
1.46 + for (TestCase testCase : ConstantGettersTestCase.values()) {
1.47 + new ConstantGettersTransitionsTest(testCase).runTest();
1.48 + }
1.49 + }
1.50 +
1.51 + @Override
1.52 + protected boolean isTrivial() {
1.53 + return true;
1.54 + }
1.55 +
1.56 + private ConstantGettersTransitionsTest(TestCase testCase) {
1.57 + super(testCase);
1.58 + }
1.59 +}
1.60 +
1.61 +enum ConstantGettersTestCase implements CompilerWhiteBoxTest.TestCase {
1.62 + ICONST_M1,
1.63 + ICONST_0,
1.64 + ICONST_1,
1.65 + ICONST_2,
1.66 + ICONST_3,
1.67 + ICONST_4,
1.68 + ICONST_5,
1.69 + LCONST_0,
1.70 + LCONST_1,
1.71 + FCONST_0,
1.72 + FCONST_1,
1.73 + FCONST_2,
1.74 + DCONST_0,
1.75 + DCONST_1,
1.76 + DCONST_W,
1.77 + BYTE,
1.78 + SHORT,
1.79 + CHAR;
1.80 +
1.81 + private final Executable executable;
1.82 + private final Callable<Integer> callable;
1.83 +
1.84 + @Override
1.85 + public Executable getExecutable() {
1.86 + return executable;
1.87 + }
1.88 +
1.89 + @Override
1.90 + public Callable<Integer> getCallable() {
1.91 + return callable;
1.92 + }
1.93 +
1.94 + @Override
1.95 + public boolean isOsr() {
1.96 + return false;
1.97 + }
1.98 +
1.99 + private ConstantGettersTestCase() {
1.100 + String name = "make" + this.name();
1.101 + this.executable = LevelTransitionTest.Helper.getMethod(TrivialMethods.class, name);
1.102 + this.callable = LevelTransitionTest.Helper.getCallable(new TrivialMethods(), name);
1.103 + }
1.104 +
1.105 + /**
1.106 + * Contains methods that load constants with certain types of bytecodes
1.107 + * See JVMS 2.11.2. Load and Store Instructions
1.108 + * Note that it doesn't have a method for ldc_w instruction
1.109 + */
1.110 + private static class TrivialMethods {
1.111 + public static int makeICONST_M1() {
1.112 + return -1;
1.113 + }
1.114 +
1.115 + public static int makeICONST_0() {
1.116 + return 0;
1.117 + }
1.118 +
1.119 + public static int makeICONST_1() {
1.120 + return 1;
1.121 + }
1.122 +
1.123 + public static int makeICONST_2() {
1.124 + return 2;
1.125 + }
1.126 +
1.127 + public static int makeICONST_3() {
1.128 + return 3;
1.129 + }
1.130 +
1.131 + public static int makeICONST_4() {
1.132 + return 4;
1.133 + }
1.134 +
1.135 + public static int makeICONST_5() {
1.136 + return 5;
1.137 + }
1.138 +
1.139 + public static long makeLCONST_0() {
1.140 + return 0L;
1.141 + }
1.142 +
1.143 + public static long makeLCONST_1() {
1.144 + return 1L;
1.145 + }
1.146 +
1.147 + public static float makeFCONST_0() {
1.148 + return 0F;
1.149 + }
1.150 +
1.151 + public static float makeFCONST_1() {
1.152 + return 1F;
1.153 + }
1.154 +
1.155 + public static float makeFCONST_2() {
1.156 + return 2F;
1.157 + }
1.158 +
1.159 + public static double makeDCONST_0() {
1.160 + return 0D;
1.161 + }
1.162 +
1.163 + public static double makeDCONST_1() {
1.164 + return 1D;
1.165 + }
1.166 +
1.167 + public static double makeDCONST_W() {
1.168 + // ldc2_w
1.169 + return Double.MAX_VALUE;
1.170 + }
1.171 +
1.172 + public static Object makeOBJECT() {
1.173 + // aconst_null
1.174 + return null;
1.175 + }
1.176 +
1.177 + public static byte makeBYTE() {
1.178 + // bipush
1.179 + return (byte) 0x7F;
1.180 + }
1.181 +
1.182 + public static short makeSHORT() {
1.183 + // sipush
1.184 + return (short) 0x7FFF;
1.185 + }
1.186 +
1.187 + public static char makeCHAR() {
1.188 + // ldc
1.189 + return (char) 0xFFFF;
1.190 + }
1.191 +
1.192 + public static boolean makeBOOLEAN() {
1.193 + return true;
1.194 + }
1.195 + }
1.196 +}
