| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. 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. |
| */ |
| package org.graalvm.compiler.core.test; |
| |
| import org.junit.Ignore; |
| import org.junit.Test; |
| |
| import org.graalvm.compiler.api.directives.GraalDirectives; |
| |
| /** |
| * Collection of tests for |
| * {@link org.graalvm.compiler.phases.common.DominatorConditionalEliminationPhase} including those |
| * that triggered bugs in this phase. |
| */ |
| public class ConditionalEliminationTest11 extends ConditionalEliminationTestBase { |
| public ConditionalEliminationTest11() { |
| // Don't disable simplification |
| super(false); |
| } |
| |
| @SuppressWarnings("all") |
| public static int referenceSnippet(int a) { |
| if ((a & 15) != 15) { |
| GraalDirectives.deoptimize(); |
| } |
| return 0; |
| } |
| |
| @Test |
| public void test1() { |
| testConditionalElimination("test1Snippet", "referenceSnippet"); |
| } |
| |
| @SuppressWarnings("all") |
| public static int test1Snippet(int a) { |
| if ((a & 8) != 8) { |
| GraalDirectives.deoptimize(); |
| } |
| if ((a & 15) != 15) { |
| GraalDirectives.deoptimize(); |
| } |
| return 0; |
| } |
| |
| @SuppressWarnings("all") |
| public static int test2Snippet(int a) { |
| if ((a & 8) == 0) { |
| GraalDirectives.deoptimize(); |
| } |
| if ((a & 15) != 15) { |
| GraalDirectives.deoptimize(); |
| } |
| return 0; |
| } |
| |
| @Test |
| public void test2() { |
| testConditionalElimination("test2Snippet", "referenceSnippet"); |
| } |
| |
| @SuppressWarnings("all") |
| public static int test3Snippet(int a) { |
| if ((a & 15) != 15) { |
| GraalDirectives.deoptimize(); |
| } |
| if ((a & 8) != 8) { |
| GraalDirectives.deoptimize(); |
| } |
| return 0; |
| } |
| |
| @Test |
| public void test3() { |
| // Test forward elimination of bitwise tests |
| testConditionalElimination("test3Snippet", "referenceSnippet"); |
| } |
| |
| @SuppressWarnings("all") |
| public static int test4Snippet(int a) { |
| if ((a & 15) != 15) { |
| GraalDirectives.deoptimize(); |
| } |
| if ((a & 8) == 0) { |
| GraalDirectives.deoptimize(); |
| } |
| return 0; |
| } |
| |
| @Test |
| public void test4() { |
| // Test forward elimination of bitwise tests |
| testConditionalElimination("test4Snippet", "referenceSnippet"); |
| } |
| |
| public static int test5Snippet(int a) { |
| if ((a & 5) == 5) { |
| GraalDirectives.deoptimize(); |
| } |
| if ((a & 7) != 0) { |
| return 0; |
| } |
| return 1; |
| } |
| |
| @Test |
| public void test5() { |
| // Shouldn't be possible to optimize this |
| testConditionalElimination("test5Snippet", "test5Snippet"); |
| } |
| |
| public static int test6Snippet(int a) { |
| if ((a & 8) != 0) { |
| GraalDirectives.deoptimize(); |
| } |
| if ((a & 15) != 15) { |
| GraalDirectives.deoptimize(); |
| } |
| return 0; |
| } |
| |
| public static int reference6Snippet(int a) { |
| if ((a & 8) != 0) { |
| GraalDirectives.deoptimize(); |
| } |
| GraalDirectives.deoptimize(); |
| return 0; |
| } |
| |
| @Test |
| public void test6() { |
| testConditionalElimination("test6Snippet", "reference6Snippet"); |
| } |
| |
| public static int test7Snippet(int a) { |
| if ((a & 15) == 15) { |
| GraalDirectives.deoptimize(); |
| } |
| if ((a & 8) == 8) { |
| GraalDirectives.deoptimize(); |
| } |
| return a; |
| } |
| |
| public static int reference7Snippet(int a) { |
| if ((a & 8) == 8) { |
| GraalDirectives.deoptimize(); |
| } |
| return a; |
| } |
| |
| @Test |
| public void test7() { |
| testConditionalElimination("test7Snippet", "reference7Snippet"); |
| } |
| |
| public static int test8Snippet(int a) { |
| if ((a & 16) == 16) { |
| GraalDirectives.deoptimize(); |
| } |
| if ((a & 8) != 8) { |
| GraalDirectives.deoptimize(); |
| } |
| if ((a & 44) != 44) { |
| GraalDirectives.deoptimize(); |
| } |
| return a; |
| } |
| |
| public static int reference8Snippet(int a) { |
| if ((a & 60) != 44) { |
| GraalDirectives.deoptimize(); |
| } |
| return a; |
| } |
| |
| @Ignore("requires merging of bit tests") |
| @Test |
| public void test8() { |
| testConditionalElimination("test8Snippet", "reference8Snippet"); |
| } |
| |
| public static int test9Snippet(int a) { |
| if ((a & 16) == 16) { |
| GraalDirectives.deoptimize(); |
| } |
| if ((a & 8) != 8) { |
| GraalDirectives.deoptimize(); |
| } |
| if ((a & 44) != 44) { |
| GraalDirectives.deoptimize(); |
| } |
| if (a != 44) { |
| GraalDirectives.deoptimize(); |
| } |
| return a; |
| } |
| |
| public static int reference9Snippet(int a) { |
| if (a != 44) { |
| GraalDirectives.deoptimize(); |
| } |
| return a; |
| } |
| |
| @Test |
| public void test9() { |
| testConditionalElimination("test9Snippet", "reference9Snippet"); |
| } |
| |
| static class ByteHolder { |
| public byte b; |
| |
| byte byteValue() { |
| return b; |
| } |
| } |
| |
| public static int test10Snippet(ByteHolder b) { |
| int v = b.byteValue(); |
| long a = v & 0xffffffff; |
| if (v != 44) { |
| GraalDirectives.deoptimize(); |
| } |
| if ((a & 16) == 16) { |
| GraalDirectives.deoptimize(); |
| } |
| if ((a & 8) != 8) { |
| GraalDirectives.deoptimize(); |
| } |
| if ((a & 44) != 44) { |
| GraalDirectives.deoptimize(); |
| } |
| |
| return v; |
| } |
| |
| public static int reference10Snippet(ByteHolder b) { |
| byte v = b.byteValue(); |
| if (v != 44) { |
| GraalDirectives.deoptimize(); |
| } |
| return v; |
| } |
| |
| @Test |
| public void test10() { |
| testConditionalElimination("test10Snippet", "reference10Snippet"); |
| } |
| |
| public static int test11Snippet(ByteHolder b) { |
| int v = b.byteValue(); |
| long a = v & 0xffffffff; |
| |
| if ((a & 16) == 16) { |
| GraalDirectives.deoptimize(); |
| } |
| if ((a & 8) != 8) { |
| GraalDirectives.deoptimize(); |
| } |
| if ((a & 44) != 44) { |
| GraalDirectives.deoptimize(); |
| } |
| if (v != 44) { |
| GraalDirectives.deoptimize(); |
| } |
| return v; |
| } |
| |
| public static int reference11Snippet(ByteHolder b) { |
| byte v = b.byteValue(); |
| if (v != 44) { |
| GraalDirectives.deoptimize(); |
| } |
| return v; |
| } |
| |
| @Test |
| public void test11() { |
| testConditionalElimination("test11Snippet", "reference11Snippet"); |
| } |
| |
| } |