--- /dev/null 2016-05-31 09:42:47.975716356 -0700 +++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/deopt/CompiledMethodTest.java 2016-12-07 13:48:39.507249174 -0800 @@ -0,0 +1,104 @@ +/* + * Copyright (c) 2011, 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.deopt; + +import jdk.vm.ci.code.InstalledCode; +import jdk.vm.ci.code.InvalidInstalledCodeException; +import jdk.vm.ci.meta.JavaKind; +import jdk.vm.ci.meta.ResolvedJavaMethod; + +import org.junit.Assert; +import org.junit.Test; + +import org.graalvm.compiler.core.test.GraalCompilerTest; +import org.graalvm.compiler.nodes.ConstantNode; +import org.graalvm.compiler.nodes.StructuredGraph; +import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions; +import org.graalvm.compiler.phases.common.CanonicalizerPhase; +import org.graalvm.compiler.phases.common.DeadCodeEliminationPhase; +import org.graalvm.compiler.phases.tiers.PhaseContext; + +/** + * In the following tests, the usages of local variable "a" are replaced with the integer constant + * 0. Then canonicalization is applied and it is verified that the resulting graph is equal to the + * graph of the method that just has a "return 1" statement in it. + */ +public class CompiledMethodTest extends GraalCompilerTest { + + public static Object testMethod(Object arg1, Object arg2, Object arg3) { + return arg1 + " " + arg2 + " " + arg3; + } + + Object f1; + + public Object testMethodVirtual(Object arg1, Object arg2, Object arg3) { + return f1 + " " + arg1 + " " + arg2 + " " + arg3; + } + + @Test + public void test1() { + final ResolvedJavaMethod javaMethod = getResolvedJavaMethod("testMethod"); + final StructuredGraph graph = parseEager(javaMethod, AllowAssumptions.NO); + new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders())); + new DeadCodeEliminationPhase().apply(graph); + + for (ConstantNode node : ConstantNode.getConstantNodes(graph)) { + if (node.getStackKind() == JavaKind.Object && " ".equals(getSnippetReflection().asObject(String.class, node.asJavaConstant()))) { + node.replace(graph, ConstantNode.forConstant(getSnippetReflection().forObject("-"), getMetaAccess(), graph)); + } + } + + InstalledCode compiledMethod = getCode(javaMethod, graph); + try { + Object result = compiledMethod.executeVarargs("1", "2", "3"); + Assert.assertEquals("1-2-3", result); + } catch (InvalidInstalledCodeException t) { + Assert.fail("method invalidated"); + } + } + + @Test + public void test3() { + final ResolvedJavaMethod javaMethod = getResolvedJavaMethod("testMethod"); + InstalledCode compiledMethod = getCode(javaMethod); + try { + Object result = compiledMethod.executeVarargs("1", "2", "3"); + Assert.assertEquals("1 2 3", result); + } catch (InvalidInstalledCodeException t) { + Assert.fail("method invalidated"); + } + } + + @Test + public void test4() { + final ResolvedJavaMethod javaMethod = getResolvedJavaMethod("testMethodVirtual"); + InstalledCode compiledMethod = getCode(javaMethod); + try { + f1 = "0"; + Object result = compiledMethod.executeVarargs(this, "1", "2", "3"); + Assert.assertEquals("0 1 2 3", result); + } catch (InvalidInstalledCodeException t) { + Assert.fail("method invalidated"); + } + } +}