1 /* 2 * Copyright (c) 2011, 2019, 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.junit.Assert; 35 import org.junit.Test; 36 37 import jdk.vm.ci.code.InstalledCode; 38 import jdk.vm.ci.code.InvalidInstalledCodeException; 39 import jdk.vm.ci.meta.JavaKind; 40 import jdk.vm.ci.meta.ResolvedJavaMethod; 41 42 public class CompiledMethodTest extends GraalCompilerTest { 43 44 public static Object testMethod(Object arg1, Object arg2, Object arg3) { 45 String res = arg1 + " " + arg2 + " " + arg3; 46 return GraalDirectives.inCompiledCode() ? res : "interpreter"; 47 } 48 49 Object f1; 50 51 public Object testMethodVirtual(Object arg1, Object arg2, Object arg3) { 52 return f1 + " " + arg1 + " " + arg2 + " " + arg3; 53 } 54 55 /** 56 * Usages of the constant {@code " "} are replaced with the constant {@code "-"} and it is 57 * verified that executing the compiled code produces a result that the preserves the node 58 * replacement unless deoptimization occurs (e.g., due to -Xcomp causing profiles to be 59 * missing). 60 */ 61 @Test 62 public void test1() { 63 final ResolvedJavaMethod javaMethod = getResolvedJavaMethod("testMethod"); 64 final StructuredGraph graph = parseEager(javaMethod, AllowAssumptions.NO); 65 new CanonicalizerPhase().apply(graph, getProviders()); 66 new DeadCodeEliminationPhase().apply(graph); 67 68 for (ConstantNode node : ConstantNode.getConstantNodes(graph)) { 69 if (node.getStackKind() == JavaKind.Object && " ".equals(getSnippetReflection().asObject(String.class, node.asJavaConstant()))) { 70 node.replace(graph, ConstantNode.forConstant(getSnippetReflection().forObject("-"), getMetaAccess(), graph)); 71 } 72 } 73 74 InstalledCode compiledMethod = getCode(javaMethod, graph, true); 75 try { 76 Object result = compiledMethod.executeVarargs("1", "2", "3"); 77 if (!"1-2-3".equals(result)) { 78 // Deoptimization probably occurred 79 Assert.assertEquals("interpreter", result); 80 } 81 } catch (InvalidInstalledCodeException t) { 82 Assert.fail("method invalidated"); 83 } 84 } 85 86 @Test 87 public void test3() { 88 final ResolvedJavaMethod javaMethod = getResolvedJavaMethod("testMethod"); 89 InstalledCode compiledMethod = getCode(javaMethod); 90 try { 91 Object result = compiledMethod.executeVarargs("1", "2", "3"); 92 Assert.assertEquals("1 2 3", result); 93 } catch (InvalidInstalledCodeException t) { 94 Assert.fail("method invalidated"); 95 } 96 } 97 98 @Test 99 public void test4() { 100 final ResolvedJavaMethod javaMethod = getResolvedJavaMethod("testMethodVirtual"); 101 InstalledCode compiledMethod = getCode(javaMethod); 102 try { 103 f1 = "0"; 104 Object result = compiledMethod.executeVarargs(this, "1", "2", "3"); 105 Assert.assertEquals("0 1 2 3", result); 106 } catch (InvalidInstalledCodeException t) { 107 Assert.fail("method invalidated"); 108 } 109 } 110 }