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 InvokeHintsTest extends GraalCompilerTest {
  41 
  42     private static final String REFERENCE_SNIPPET = "referenceSnippet";
  43 
  44     public static int const1() {
  45         return 1;
  46     }
  47 
  48     public static int const7() {
  49         return 7;
  50     }
  51 
  52     @SuppressWarnings("all")
  53     public static int referenceSnippet() {
  54         return 7;
  55     }
  56 
  57     @Test
  58     public void test1() {
  59         test("test1Snippet");
  60     }
  61 
  62     @SuppressWarnings("all")
  63     public static int test1Snippet() {
  64         return const7();
  65     }
  66 
  67     @Test
  68     public void test2() {
  69         test("test2Snippet");
  70     }
  71 
  72     @SuppressWarnings("all")
  73     public static int test2Snippet() {
  74         return const1() + const1() + const1() + const1() + const1() + const1() + const1();
  75     }
  76 
  77     private void test(String snippet) {
  78         StructuredGraph graph = parseEager(snippet, AllowAssumptions.NO);
  79         Map<Invoke, Double> hints = new HashMap<>();
  80         for (Invoke invoke : graph.getInvokes()) {
  81             hints.put(invoke, 1000d);
  82         }
  83 
  84         HighTierContext context = getDefaultHighTierContext();
  85         new InliningPhase(hints, new CanonicalizerPhase()).apply(graph, context);
  86         new CanonicalizerPhase().apply(graph, context);
  87         new DeadCodeEliminationPhase().apply(graph);
  88         StructuredGraph referenceGraph = parseEager(REFERENCE_SNIPPET, AllowAssumptions.NO);
  89         assertEquals(referenceGraph, graph);
  90     }
  91 }