1 /*
   2  * Copyright (c) 2011, 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;
  26 
  27 import java.util.HashMap;
  28 import java.util.Map;
  29 
  30 import org.junit.Test;
  31 
  32 import org.graalvm.compiler.nodes.Invoke;
  33 import org.graalvm.compiler.nodes.StructuredGraph;
  34 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
  35 import org.graalvm.compiler.phases.common.CanonicalizerPhase;
  36 import org.graalvm.compiler.phases.common.DeadCodeEliminationPhase;
  37 import org.graalvm.compiler.phases.common.inlining.InliningPhase;
  38 import org.graalvm.compiler.phases.tiers.HighTierContext;
  39 
  40 public class InvokeExceptionTest extends GraalCompilerTest {
  41 
  42     public static synchronized void throwException(int i) {
  43         if (i == 1) {
  44             throw new RuntimeException();
  45         }
  46     }
  47 
  48     @Test
  49     public void test1() {
  50         // fill the profiling data...
  51         for (int i = 0; i < 10000; i++) {
  52             try {
  53                 throwException(i & 1);
  54                 test1Snippet(0);
  55             } catch (Throwable t) {
  56                 // nothing to do...
  57             }
  58         }
  59         test("test1Snippet");
  60     }
  61 
  62     @SuppressWarnings("all")
  63     public static void test1Snippet(int a) {
  64         throwException(a);
  65     }
  66 
  67     private void test(String snippet) {
  68         StructuredGraph graph = parseProfiled(snippet, AllowAssumptions.NO);
  69         Map<Invoke, Double> hints = new HashMap<>();
  70         for (Invoke invoke : graph.getInvokes()) {
  71             hints.put(invoke, 1000d);
  72         }
  73         HighTierContext context = getDefaultHighTierContext();
  74         new InliningPhase(hints, new CanonicalizerPhase()).apply(graph, context);
  75         new CanonicalizerPhase().apply(graph, context);
  76         new DeadCodeEliminationPhase().apply(graph);
  77     }
  78 }