rev 52889 : 8214023: Update Graal

   1 /*
   2  * Copyright (c) 2011, 2018, 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 
  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 
  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
  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
  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
 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 }
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