1 /* 2 * Copyright (c) 2011, 2015, Oracle and/or its affiliates. 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 package org.graalvm.compiler.core.test.deopt; 26 27 import org.graalvm.compiler.api.directives.GraalDirectives; 28 import org.graalvm.compiler.core.test.GraalCompilerTest; 29 import org.graalvm.compiler.nodes.ConstantNode; 30 import org.graalvm.compiler.nodes.StructuredGraph; 31 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions; 32 import org.graalvm.compiler.phases.common.CanonicalizerPhase; 33 import org.graalvm.compiler.phases.common.DeadCodeEliminationPhase; 34 import org.graalvm.compiler.phases.tiers.PhaseContext; 35 import org.junit.Assert; 36 import org.junit.Test; 37 38 import jdk.vm.ci.code.InstalledCode; 39 import jdk.vm.ci.code.InvalidInstalledCodeException; 40 import jdk.vm.ci.meta.JavaKind; 41 import jdk.vm.ci.meta.ResolvedJavaMethod; 42 43 public class CompiledMethodTest extends GraalCompilerTest { 44 testMethod(Object arg1, Object arg2, Object arg3)45 public static Object testMethod(Object arg1, Object arg2, Object arg3) { 46 String res = arg1 + " " + arg2 + " " + arg3; 47 return GraalDirectives.inCompiledCode() ? res : "interpreter"; 48 } 49 50 Object f1; 51 testMethodVirtual(Object arg1, Object arg2, Object arg3)52 public Object testMethodVirtual(Object arg1, Object arg2, Object arg3) { 53 return f1 + " " + arg1 + " " + arg2 + " " + arg3; 54 } 55 56 /** 57 * Usages of the constant {@code " "} are replaced with the constant {@code "-"} and it is 58 * verified that executing the compiled code produces a result that the preserves the node 59 * replacement unless deoptimization occurs (e.g., due to -Xcomp causing profiles to be 60 * missing). 61 */ 62 @Test test1()63 public void test1() { 64 final ResolvedJavaMethod javaMethod = getResolvedJavaMethod("testMethod"); 65 final StructuredGraph graph = parseEager(javaMethod, AllowAssumptions.NO); 66 new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders())); 67 new DeadCodeEliminationPhase().apply(graph); 68 69 for (ConstantNode node : ConstantNode.getConstantNodes(graph)) { 70 if (node.getStackKind() == JavaKind.Object && " ".equals(getSnippetReflection().asObject(String.class, node.asJavaConstant()))) { 71 node.replace(graph, ConstantNode.forConstant(getSnippetReflection().forObject("-"), getMetaAccess(), graph)); 72 } 73 } 74 75 InstalledCode compiledMethod = getCode(javaMethod, graph); 76 try { 77 Object result = compiledMethod.executeVarargs("1", "2", "3"); 78 if (!"1-2-3".equals(result)) { 79 // Deoptimization probably occurred 80 Assert.assertEquals("interpreter", result); 81 } 82 } catch (InvalidInstalledCodeException t) { 83 Assert.fail("method invalidated"); 84 } 85 } 86 87 @Test test3()88 public void test3() { 89 final ResolvedJavaMethod javaMethod = getResolvedJavaMethod("testMethod"); 90 InstalledCode compiledMethod = getCode(javaMethod); 91 try { 92 Object result = compiledMethod.executeVarargs("1", "2", "3"); 93 Assert.assertEquals("1 2 3", result); 94 } catch (InvalidInstalledCodeException t) { 95 Assert.fail("method invalidated"); 96 } 97 } 98 99 @Test test4()100 public void test4() { 101 final ResolvedJavaMethod javaMethod = getResolvedJavaMethod("testMethodVirtual"); 102 InstalledCode compiledMethod = getCode(javaMethod); 103 try { 104 f1 = "0"; 105 Object result = compiledMethod.executeVarargs(this, "1", "2", "3"); 106 Assert.assertEquals("0 1 2 3", result); 107 } catch (InvalidInstalledCodeException t) { 108 Assert.fail("method invalidated"); 109 } 110 } 111 } 112