< prev index next >

src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/ea/PoorMansEATest.java

Print this page
rev 52889 : 8214023: Update Graal
   1 /*
   2  * Copyright (c) 2014, 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.ea;
  26 
  27 import org.graalvm.compiler.core.test.GraalCompilerTest;
  28 import org.graalvm.compiler.debug.DebugContext;
  29 import org.graalvm.compiler.debug.DebugDumpScope;
  30 import org.graalvm.compiler.graph.Node;
  31 import org.graalvm.compiler.nodes.FrameState;
  32 import org.graalvm.compiler.nodes.StructuredGraph;
  33 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
  34 import org.graalvm.compiler.nodes.java.AbstractNewObjectNode;
  35 import org.graalvm.compiler.nodes.java.NewInstanceNode;
  36 import org.graalvm.compiler.nodes.spi.LoweringTool;
  37 import org.graalvm.compiler.phases.common.CanonicalizerPhase;
  38 import org.graalvm.compiler.phases.common.LoweringPhase;
  39 import org.graalvm.compiler.phases.common.inlining.InliningPhase;
  40 import org.graalvm.compiler.phases.tiers.HighTierContext;
  41 import org.graalvm.compiler.phases.tiers.PhaseContext;
  42 import org.junit.Test;
  43 
  44 /**
  45  * Tests {@link AbstractNewObjectNode#simplify(org.graalvm.compiler.graph.spi.SimplifierTool)}.
  46  *
  47  */
  48 public class PoorMansEATest extends GraalCompilerTest {
  49     public static class A {
  50         public A obj;
  51     }
  52 
  53     public static A test1Snippet() {
  54         A a = new A();
  55         a.obj = a;
  56         return null;
  57     }
  58 
  59     @Test
  60     public void test1() {
  61         test("test1Snippet");
  62     }
  63 
  64     @SuppressWarnings("try")
  65     private void test(final String snippet) {
  66         DebugContext debug = getDebugContext();
  67         try (DebugContext.Scope s = debug.scope("PoorMansEATest", new DebugDumpScope(snippet))) {
  68             StructuredGraph graph = parseEager(snippet, AllowAssumptions.NO);
  69             HighTierContext highTierContext = getDefaultHighTierContext();
  70             new InliningPhase(new CanonicalizerPhase()).apply(graph, highTierContext);
  71             PhaseContext context = new PhaseContext(getProviders());
  72             new LoweringPhase(new CanonicalizerPhase(), LoweringTool.StandardLoweringStage.HIGH_TIER).apply(graph, context);
  73 
  74             // remove framestates in order to trigger the simplification.
  75             cleanup: for (FrameState fs : graph.getNodes(FrameState.TYPE).snapshot()) {
  76                 for (Node input : fs.inputs()) {
  77                     if (input instanceof NewInstanceNode) {
  78                         fs.replaceAtUsages(null);
  79                         fs.safeDelete();
  80                         continue cleanup;
  81                     }
  82                 }
  83             }
  84             new CanonicalizerPhase().apply(graph, context);
  85         } catch (Throwable e) {
  86             throw debug.handle(e);
  87         }
  88     }
  89 }
   1 /*
   2  * Copyright (c) 2014, 2018, 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.ea;
  26 
  27 import org.graalvm.compiler.core.test.GraalCompilerTest;
  28 import org.graalvm.compiler.debug.DebugContext;
  29 import org.graalvm.compiler.debug.DebugDumpScope;
  30 import org.graalvm.compiler.graph.Node;
  31 import org.graalvm.compiler.nodes.FrameState;
  32 import org.graalvm.compiler.nodes.StructuredGraph;
  33 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
  34 import org.graalvm.compiler.nodes.java.AbstractNewObjectNode;
  35 import org.graalvm.compiler.nodes.java.NewInstanceNode;
  36 import org.graalvm.compiler.nodes.spi.LoweringTool;
  37 import org.graalvm.compiler.phases.common.CanonicalizerPhase;
  38 import org.graalvm.compiler.phases.common.LoweringPhase;

  39 import org.graalvm.compiler.phases.tiers.HighTierContext;
  40 import org.graalvm.compiler.phases.tiers.PhaseContext;
  41 import org.junit.Test;
  42 
  43 /**
  44  * Tests {@link AbstractNewObjectNode#simplify(org.graalvm.compiler.graph.spi.SimplifierTool)}.
  45  *
  46  */
  47 public class PoorMansEATest extends GraalCompilerTest {
  48     public static class A {
  49         public A obj;
  50     }
  51 
  52     public static A test1Snippet() {
  53         A a = new A();
  54         a.obj = a;
  55         return null;
  56     }
  57 
  58     @Test
  59     public void test1() {
  60         test("test1Snippet");
  61     }
  62 
  63     @SuppressWarnings("try")
  64     private void test(final String snippet) {
  65         DebugContext debug = getDebugContext();
  66         try (DebugContext.Scope s = debug.scope("PoorMansEATest", new DebugDumpScope(snippet))) {
  67             StructuredGraph graph = parseEager(snippet, AllowAssumptions.NO);
  68             HighTierContext highTierContext = getDefaultHighTierContext();
  69             createInliningPhase().apply(graph, highTierContext);
  70             PhaseContext context = new PhaseContext(getProviders());
  71             new LoweringPhase(new CanonicalizerPhase(), LoweringTool.StandardLoweringStage.HIGH_TIER).apply(graph, context);
  72 
  73             // remove framestates in order to trigger the simplification.
  74             cleanup: for (FrameState fs : graph.getNodes(FrameState.TYPE).snapshot()) {
  75                 for (Node input : fs.inputs()) {
  76                     if (input instanceof NewInstanceNode) {
  77                         fs.replaceAtUsages(null);
  78                         fs.safeDelete();
  79                         continue cleanup;
  80                     }
  81                 }
  82             }
  83             new CanonicalizerPhase().apply(graph, context);
  84         } catch (Throwable e) {
  85             throw debug.handle(e);
  86         }
  87     }
  88 }
< prev index next >