1 /*
   2  * Copyright (c) 2015, 2016, 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.debug;
  24 
  25 import static org.graalvm.compiler.core.common.CompilationIdentifier.INVALID_COMPILATION_ID;
  26 
  27 import java.lang.reflect.Method;
  28 import java.lang.reflect.Modifier;
  29 
  30 import org.junit.Test;
  31 
  32 import org.graalvm.compiler.api.test.Graal;
  33 import org.graalvm.compiler.debug.Debug;
  34 import org.graalvm.compiler.debug.DebugConfigScope;
  35 import org.graalvm.compiler.debug.DebugMethodMetrics;
  36 import org.graalvm.compiler.graph.Node;
  37 import org.graalvm.compiler.java.GraphBuilderPhase;
  38 import org.graalvm.compiler.nodes.StructuredGraph;
  39 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
  40 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration;
  41 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration.Plugins;
  42 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins;
  43 import org.graalvm.compiler.phases.OptimisticOptimizations;
  44 import org.graalvm.compiler.phases.Phase;
  45 import org.graalvm.compiler.phases.PhaseSuite;
  46 import org.graalvm.compiler.phases.VerifyPhase.VerificationError;
  47 import org.graalvm.compiler.phases.tiers.HighTierContext;
  48 import org.graalvm.compiler.phases.util.Providers;
  49 import org.graalvm.compiler.phases.verify.VerifyDebugUsage;
  50 import org.graalvm.compiler.runtime.RuntimeProvider;
  51 
  52 import jdk.vm.ci.meta.MetaAccessProvider;
  53 import jdk.vm.ci.meta.ResolvedJavaMethod;
  54 
  55 /**
  56  *
  57  * Tests to verify that the usage of method metrics does not generate compile time overhead through
  58  * eager evaluation of arguments.
  59  */
  60 public class VerifyMethodMetricsTest {
  61 
  62     private static class InvalidCCP_ToString01Inc extends Phase {
  63         @Override
  64         protected void run(StructuredGraph graph) {
  65             DebugMethodMetrics m = Debug.methodMetrics(graph.method());
  66             for (Node n : graph.getNodes()) {
  67                 m.incrementMetric(n.toString());
  68             }
  69         }
  70     }
  71 
  72     private static class InvalidCCP_Concat01Inc extends Phase {
  73         @Override
  74         protected void run(StructuredGraph graph) {
  75             DebugMethodMetrics m = Debug.methodMetrics(graph.method());
  76             for (Node n : graph.getNodes()) {
  77                 m.incrementMetric("a" + n.toString());
  78             }
  79         }
  80     }
  81 
  82     private static class InvalidCCP_ToString02Inc extends Phase {
  83         @Override
  84         protected void run(StructuredGraph graph) {
  85             DebugMethodMetrics m = Debug.methodMetrics(graph.method());
  86             for (Node n : graph.getNodes()) {
  87                 m.incrementMetric("%s", n.toString());
  88             }
  89         }
  90     }
  91 
  92     private static class InvalidCCP_Concat02Inc extends Phase {
  93         private final String s = this.getClass().toGenericString();
  94 
  95         @Override
  96         protected void run(StructuredGraph graph) {
  97             DebugMethodMetrics m = Debug.methodMetrics(graph.method());
  98             for (Node n : graph.getNodes()) {
  99                 m.incrementMetric("%s%s", "a" + s, n);
 100             }
 101         }
 102     }
 103 
 104     private static class ValidCCP_ToStringInc extends Phase {
 105         @Override
 106         protected void run(StructuredGraph graph) {
 107             DebugMethodMetrics m = Debug.methodMetrics(graph.method());
 108             for (Node n : graph.getNodes()) {
 109                 m.addToMetric(1, "%s", n);
 110             }
 111         }
 112     }
 113 
 114     private static class ValidCCP_ConcatInc extends Phase {
 115         @Override
 116         protected void run(StructuredGraph graph) {
 117             DebugMethodMetrics m = Debug.methodMetrics(graph.method());
 118             for (Node n : graph.getNodes()) {
 119                 m.incrementMetric("%s%s", "a", n);
 120             }
 121         }
 122     }
 123 
 124     private static class InvalidCCP_ToString01Add extends Phase {
 125         @Override
 126         protected void run(StructuredGraph graph) {
 127             DebugMethodMetrics m = Debug.methodMetrics(graph.method());
 128             for (Node n : graph.getNodes()) {
 129                 m.addToMetric(1, n.toString());
 130             }
 131         }
 132     }
 133 
 134     private static class InvalidCCP_Concat01Add extends Phase {
 135         @Override
 136         protected void run(StructuredGraph graph) {
 137             DebugMethodMetrics m = Debug.methodMetrics(graph.method());
 138             for (Node n : graph.getNodes()) {
 139                 m.addToMetric(1, "a" + n.toString());
 140             }
 141         }
 142     }
 143 
 144     private static class InvalidCCP_ToString02Add extends Phase {
 145         @Override
 146         protected void run(StructuredGraph graph) {
 147             DebugMethodMetrics m = Debug.methodMetrics(graph.method());
 148             for (Node n : graph.getNodes()) {
 149                 m.addToMetric(1, "%s", n.toString());
 150             }
 151         }
 152     }
 153 
 154     private static class InvalidCCP_Concat02Add extends Phase {
 155         private final String s = this.getClass().toGenericString();
 156 
 157         @Override
 158         protected void run(StructuredGraph graph) {
 159             DebugMethodMetrics m = Debug.methodMetrics(graph.method());
 160             for (Node n : graph.getNodes()) {
 161                 m.addToMetric(1, "%s%s", "a" + s, n);
 162             }
 163         }
 164     }
 165 
 166     private static class ValidCCP_ToStringAdd extends Phase {
 167         @Override
 168         protected void run(StructuredGraph graph) {
 169             DebugMethodMetrics m = Debug.methodMetrics(graph.method());
 170             for (Node n : graph.getNodes()) {
 171                 m.addToMetric(1, "%s", n);
 172             }
 173         }
 174     }
 175 
 176     private static class ValidCCP_ConcatAdd extends Phase {
 177         @Override
 178         protected void run(StructuredGraph graph) {
 179             DebugMethodMetrics m = Debug.methodMetrics(graph.method());
 180             for (Node n : graph.getNodes()) {
 181                 m.addToMetric(1, "%s%s", "a", n);
 182             }
 183         }
 184     }
 185 
 186     @Test(expected = VerificationError.class)
 187     public void testLogInvalidToString01Add() {
 188         testDebugUsageClass(InvalidCCP_ToString01Add.class);
 189     }
 190 
 191     @Test(expected = VerificationError.class)
 192     public void testLogInvalidConcat01Add() {
 193         testDebugUsageClass(InvalidCCP_Concat01Add.class);
 194     }
 195 
 196     @Test(expected = VerificationError.class)
 197     public void testLogInvalidToString02Add() {
 198         testDebugUsageClass(InvalidCCP_ToString02Add.class);
 199     }
 200 
 201     @Test(expected = VerificationError.class)
 202     public void testLogInvalidConcat02Add() {
 203         testDebugUsageClass(InvalidCCP_Concat02Add.class);
 204     }
 205 
 206     @Test
 207     public void testLogValidToStringAdd() {
 208         testDebugUsageClass(ValidCCP_ToStringAdd.class);
 209     }
 210 
 211     @Test
 212     public void testLogValidConcatAdd() {
 213         testDebugUsageClass(ValidCCP_ConcatAdd.class);
 214     }
 215 
 216     @Test(expected = VerificationError.class)
 217     public void testLogInvalidToString01Inc() {
 218         testDebugUsageClass(InvalidCCP_ToString01Inc.class);
 219     }
 220 
 221     @Test(expected = VerificationError.class)
 222     public void testLogInvalidConcat01Inc() {
 223         testDebugUsageClass(InvalidCCP_Concat01Inc.class);
 224     }
 225 
 226     @Test(expected = VerificationError.class)
 227     public void testLogInvalidToString02Inc() {
 228         testDebugUsageClass(InvalidCCP_ToString02Inc.class);
 229     }
 230 
 231     @Test(expected = VerificationError.class)
 232     public void testLogInvalidConcat02Inc() {
 233         testDebugUsageClass(InvalidCCP_Concat02Inc.class);
 234     }
 235 
 236     @Test
 237     public void testLogValidToStringInc() {
 238         testDebugUsageClass(ValidCCP_ToStringInc.class);
 239     }
 240 
 241     @Test
 242     public void testLogValidConcatInc() {
 243         testDebugUsageClass(ValidCCP_ConcatInc.class);
 244     }
 245 
 246     @SuppressWarnings("try")
 247     private static void testDebugUsageClass(Class<?> c) {
 248         RuntimeProvider rt = Graal.getRequiredCapability(RuntimeProvider.class);
 249         Providers providers = rt.getHostBackend().getProviders();
 250         MetaAccessProvider metaAccess = providers.getMetaAccess();
 251         PhaseSuite<HighTierContext> graphBuilderSuite = new PhaseSuite<>();
 252         Plugins plugins = new Plugins(new InvocationPlugins(metaAccess));
 253         GraphBuilderConfiguration config = GraphBuilderConfiguration.getDefault(plugins).withEagerResolving(true);
 254         graphBuilderSuite.appendPhase(new GraphBuilderPhase(config));
 255         HighTierContext context = new HighTierContext(providers, graphBuilderSuite, OptimisticOptimizations.NONE);
 256         for (Method m : c.getDeclaredMethods()) {
 257             if (!Modifier.isNative(m.getModifiers()) && !Modifier.isAbstract(m.getModifiers())) {
 258                 ResolvedJavaMethod method = metaAccess.lookupJavaMethod(m);
 259                 StructuredGraph graph = new StructuredGraph(method, AllowAssumptions.NO, INVALID_COMPILATION_ID);
 260                 graphBuilderSuite.apply(graph, context);
 261                 try (DebugConfigScope s = Debug.disableIntercept()) {
 262                     new VerifyDebugUsage().apply(graph, context);
 263                 }
 264             }
 265         }
 266     }
 267 }