001/*
002 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.compiler.test;
024
025import java.util.*;
026
027import org.junit.*;
028
029import com.oracle.graal.nodes.*;
030import com.oracle.graal.nodes.StructuredGraph.AllowAssumptions;
031import com.oracle.graal.phases.common.*;
032import com.oracle.graal.phases.common.inlining.*;
033import com.oracle.graal.phases.tiers.*;
034
035public class InvokeHintsTest extends GraalCompilerTest {
036
037    private static final String REFERENCE_SNIPPET = "referenceSnippet";
038
039    public static int const1() {
040        return 1;
041    }
042
043    public static int const7() {
044        return 7;
045    }
046
047    @SuppressWarnings("all")
048    public static int referenceSnippet() {
049        return 7;
050    }
051
052    @Test
053    public void test1() {
054        test("test1Snippet");
055    }
056
057    @SuppressWarnings("all")
058    public static int test1Snippet() {
059        return const7();
060    }
061
062    @Test
063    public void test2() {
064        test("test2Snippet");
065    }
066
067    @SuppressWarnings("all")
068    public static int test2Snippet() {
069        return const1() + const1() + const1() + const1() + const1() + const1() + const1();
070    }
071
072    private void test(String snippet) {
073        StructuredGraph graph = parseEager(snippet, AllowAssumptions.NO);
074        Map<Invoke, Double> hints = new HashMap<>();
075        for (Invoke invoke : graph.getInvokes()) {
076            hints.put(invoke, 1000d);
077        }
078
079        HighTierContext context = getDefaultHighTierContext();
080        new InliningPhase(hints, new CanonicalizerPhase()).apply(graph, context);
081        new CanonicalizerPhase().apply(graph, context);
082        new DeadCodeEliminationPhase().apply(graph);
083        StructuredGraph referenceGraph = parseEager(REFERENCE_SNIPPET, AllowAssumptions.NO);
084        assertEquals(referenceGraph, graph);
085    }
086}