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 package org.graalvm.compiler.core.test.deopt; 24 25 import jdk.vm.ci.code.InstalledCode; 26 import jdk.vm.ci.code.InvalidInstalledCodeException; 27 import jdk.vm.ci.meta.JavaKind; 28 import jdk.vm.ci.meta.ResolvedJavaMethod; 29 30 import org.junit.Assert; 31 import org.junit.Test; 32 33 import org.graalvm.compiler.core.test.GraalCompilerTest; 34 import org.graalvm.compiler.nodes.ConstantNode; 35 import org.graalvm.compiler.nodes.StructuredGraph; 36 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions; 37 import org.graalvm.compiler.phases.common.CanonicalizerPhase; 38 import org.graalvm.compiler.phases.common.DeadCodeEliminationPhase; 39 import org.graalvm.compiler.phases.tiers.PhaseContext; 40 41 /** 42 * In the following tests, the usages of local variable "a" are replaced with the integer constant 43 * 0. Then canonicalization is applied and it is verified that the resulting graph is equal to the 44 * graph of the method that just has a "return 1" statement in it. 45 */ 46 public class CompiledMethodTest extends GraalCompilerTest { 47 48 public static Object testMethod(Object arg1, Object arg2, Object arg3) { 49 return arg1 + " " + arg2 + " " + arg3; 50 } 51 52 Object f1; 53 54 public Object testMethodVirtual(Object arg1, Object arg2, Object arg3) { 55 return f1 + " " + arg1 + " " + arg2 + " " + arg3; 56 } 57 58 @Test 59 public void test1() { 60 final ResolvedJavaMethod javaMethod = getResolvedJavaMethod("testMethod"); 61 final StructuredGraph graph = parseEager(javaMethod, AllowAssumptions.NO); 62 new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders())); 63 new DeadCodeEliminationPhase().apply(graph); 64 65 for (ConstantNode node : ConstantNode.getConstantNodes(graph)) { 66 if (node.getStackKind() == JavaKind.Object && " ".equals(getSnippetReflection().asObject(String.class, node.asJavaConstant()))) { 67 node.replace(graph, ConstantNode.forConstant(getSnippetReflection().forObject("-"), getMetaAccess(), graph)); 68 } 69 } 70 71 InstalledCode compiledMethod = getCode(javaMethod, graph); 72 try { 73 Object result = compiledMethod.executeVarargs("1", "2", "3"); 74 Assert.assertEquals("1-2-3", result); 75 } catch (InvalidInstalledCodeException t) { 76 Assert.fail("method invalidated"); 77 } 78 } 79 80 @Test 81 public void test3() { 82 final ResolvedJavaMethod javaMethod = getResolvedJavaMethod("testMethod"); 83 InstalledCode compiledMethod = getCode(javaMethod); 84 try { 85 Object result = compiledMethod.executeVarargs("1", "2", "3"); 86 Assert.assertEquals("1 2 3", result); 87 } catch (InvalidInstalledCodeException t) { 88 Assert.fail("method invalidated"); 89 } 90 } 91 92 @Test 93 public void test4() { 94 final ResolvedJavaMethod javaMethod = getResolvedJavaMethod("testMethodVirtual"); 95 InstalledCode compiledMethod = getCode(javaMethod); 96 try { 97 f1 = "0"; 98 Object result = compiledMethod.executeVarargs(this, "1", "2", "3"); 99 Assert.assertEquals("0 1 2 3", result); 100 } catch (InvalidInstalledCodeException t) { 101 Assert.fail("method invalidated"); 102 } 103 } 104 }