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 package org.graalvm.compiler.core.test;
  24 
  25 import java.util.HashMap;
  26 import java.util.Map;
  27 
  28 import org.junit.Test;
  29 
  30 import org.graalvm.compiler.nodes.Invoke;
  31 import org.graalvm.compiler.nodes.StructuredGraph;
  32 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
  33 import org.graalvm.compiler.phases.common.CanonicalizerPhase;
  34 import org.graalvm.compiler.phases.common.DeadCodeEliminationPhase;
  35 import org.graalvm.compiler.phases.common.inlining.InliningPhase;
  36 import org.graalvm.compiler.phases.tiers.HighTierContext;
  37 
  38 public class InvokeHintsTest extends GraalCompilerTest {
  39 
  40     private static final String REFERENCE_SNIPPET = "referenceSnippet";
  41 
  42     public static int const1() {
  43         return 1;
  44     }
  45 
  46     public static int const7() {
  47         return 7;
  48     }
  49 
  50     @SuppressWarnings("all")
  51     public static int referenceSnippet() {
  52         return 7;
  53     }
  54 
  55     @Test
  56     public void test1() {
  57         test("test1Snippet");
  58     }
  59 
  60     @SuppressWarnings("all")
  61     public static int test1Snippet() {
  62         return const7();
  63     }
  64 
  65     @Test
  66     public void test2() {
  67         test("test2Snippet");
  68     }
  69 
  70     @SuppressWarnings("all")
  71     public static int test2Snippet() {
  72         return const1() + const1() + const1() + const1() + const1() + const1() + const1();
  73     }
  74 
  75     private void test(String snippet) {
  76         StructuredGraph graph = parseEager(snippet, AllowAssumptions.NO);
  77         Map<Invoke, Double> hints = new HashMap<>();
  78         for (Invoke invoke : graph.getInvokes()) {
  79             hints.put(invoke, 1000d);
  80         }
  81 
  82         HighTierContext context = getDefaultHighTierContext();
  83         new InliningPhase(hints, new CanonicalizerPhase()).apply(graph, context);
  84         new CanonicalizerPhase().apply(graph, context);
  85         new DeadCodeEliminationPhase().apply(graph);
  86         StructuredGraph referenceGraph = parseEager(REFERENCE_SNIPPET, AllowAssumptions.NO);
  87         assertEquals(referenceGraph, graph);
  88     }
  89 }