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 package org.graalvm.compiler.core.test; 24 25 import org.junit.Test; 26 27 import org.graalvm.compiler.api.directives.GraalDirectives; 28 29 /** 30 * Collection of tests for 31 * {@link org.graalvm.compiler.phases.common.DominatorConditionalEliminationPhase} including those 32 * that triggered bugs in this phase. 33 */ 34 public class ConditionalEliminationTest5 extends ConditionalEliminationTestBase { 35 36 interface A { 37 } 38 39 interface B extends A { 40 } 41 42 static final class DistinctA { 43 } 44 45 static final class DistinctB { 46 } 47 48 public static int reference1Snippet(Object a) { 49 if (a instanceof B) { 50 return 1; 51 } 52 return 2; 53 } 54 55 public static int test1Snippet(Object a) { 56 if (a instanceof B) { 57 if (a instanceof A) { 58 return 1; 59 } 60 } 61 return 2; 98 } 99 return 2; 100 } 101 102 @SuppressWarnings("all") 103 public static int test3Snippet(Object a, Object b) { 104 if (a instanceof DistinctA) { 105 DistinctA proxyA = (DistinctA) a; 106 if (b instanceof DistinctB) { 107 if (proxyA == b) { 108 return 42; 109 } 110 return 1; 111 } 112 } 113 return 2; 114 } 115 116 @Test 117 public void test3() { 118 testConditionalElimination("test3Snippet", "reference3Snippet", true); 119 } 120 121 public static int reference4Snippet(Object a) { 122 if (!(a instanceof B)) { 123 GraalDirectives.deoptimize(); 124 } 125 return 1; 126 } 127 128 public static int test4Snippet1(Object a) { 129 if (!(a instanceof B)) { 130 GraalDirectives.deoptimize(); 131 } 132 if (!(a instanceof A)) { 133 GraalDirectives.deoptimize(); 134 } 135 return 1; 136 } 137 138 public static int test4Snippet2(Object a) { 139 if (!(a instanceof A)) { 140 GraalDirectives.deoptimize(); 141 } 142 if (!(a instanceof B)) { 143 GraalDirectives.deoptimize(); 144 } 145 return 1; 146 } 147 148 @Test 149 public void test4() { 150 testConditionalElimination("test4Snippet1", "reference4Snippet"); 151 testConditionalElimination("test4Snippet2", "reference4Snippet"); 152 } 153 } | 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 package org.graalvm.compiler.core.test; 24 25 import org.junit.Ignore; 26 import org.junit.Test; 27 28 import org.graalvm.compiler.api.directives.GraalDirectives; 29 30 /** 31 * Collection of tests for 32 * {@link org.graalvm.compiler.phases.common.DominatorConditionalEliminationPhase} including those 33 * that triggered bugs in this phase. 34 */ 35 public class ConditionalEliminationTest5 extends ConditionalEliminationTestBase { 36 37 interface A { 38 } 39 40 interface B extends A { 41 } 42 43 interface C extends B { 44 45 } 46 47 static final class DistinctA { 48 } 49 50 static final class DistinctB { 51 } 52 53 public static int reference1Snippet(Object a) { 54 if (a instanceof B) { 55 return 1; 56 } 57 return 2; 58 } 59 60 public static int test1Snippet(Object a) { 61 if (a instanceof B) { 62 if (a instanceof A) { 63 return 1; 64 } 65 } 66 return 2; 103 } 104 return 2; 105 } 106 107 @SuppressWarnings("all") 108 public static int test3Snippet(Object a, Object b) { 109 if (a instanceof DistinctA) { 110 DistinctA proxyA = (DistinctA) a; 111 if (b instanceof DistinctB) { 112 if (proxyA == b) { 113 return 42; 114 } 115 return 1; 116 } 117 } 118 return 2; 119 } 120 121 @Test 122 public void test3() { 123 testConditionalElimination("test3Snippet", "reference3Snippet", true, false); 124 } 125 126 public static int reference4Snippet(Object a) { 127 if (!(a instanceof B)) { 128 GraalDirectives.deoptimizeAndInvalidate(); 129 } 130 return 1; 131 } 132 133 public static int test4Snippet1(Object a) { 134 if (!(a instanceof B)) { 135 GraalDirectives.deoptimizeAndInvalidate(); 136 } 137 if (!(a instanceof A)) { 138 GraalDirectives.deoptimizeAndInvalidate(); 139 } 140 return 1; 141 } 142 143 public static int test4Snippet2(Object a) { 144 if (!(a instanceof A)) { 145 GraalDirectives.deoptimizeAndInvalidate(); 146 } 147 if (!(a instanceof B)) { 148 GraalDirectives.deoptimizeAndInvalidate(); 149 } 150 return 1; 151 } 152 153 @SuppressWarnings({"cast", "unused"}) 154 public static int test4Snippet3(Object a) { 155 Object pi = (A) a; 156 if (!(a instanceof B)) { 157 GraalDirectives.deoptimizeAndInvalidate(); 158 } 159 return 1; 160 } 161 162 public static int test4Snippet4(Object a) { 163 if (!(a instanceof A)) { 164 GraalDirectives.deoptimizeAndInvalidate(); 165 } 166 if (!(((A) a) instanceof B)) { 167 GraalDirectives.deoptimizeAndInvalidate(); 168 } 169 return 1; 170 } 171 172 @SuppressWarnings({"cast"}) 173 public static int test4Snippet5(Object a) { 174 Object pi = (A) a; 175 if (pi == null) { 176 GraalDirectives.deoptimizeAndInvalidate(); 177 } 178 if (!(a instanceof B)) { 179 GraalDirectives.deoptimizeAndInvalidate(); 180 } 181 return 1; 182 } 183 184 @Test 185 public void test4() { 186 testConditionalElimination("test4Snippet1", "reference4Snippet"); 187 testConditionalElimination("test4Snippet2", "reference4Snippet"); 188 testConditionalElimination("test4Snippet3", "reference4Snippet"); 189 testConditionalElimination("test4Snippet5", "reference4Snippet"); 190 } 191 192 @Ignore 193 @Test 194 public void test5() { 195 testConditionalElimination("test4Snippet4", "reference4Snippet", false, true); 196 } 197 } |