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

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  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.io.BufferedInputStream;
  26 import java.io.ByteArrayInputStream;
  27 import java.io.FileInputStream;
  28 import java.io.IOException;
  29 import java.io.InputStream;
  30 
  31 import org.graalvm.compiler.debug.Debug;
  32 import org.graalvm.compiler.debug.TTY;
  33 import org.graalvm.compiler.graph.Node;
  34 import org.graalvm.compiler.nodeinfo.Verbosity;
  35 import org.graalvm.compiler.nodes.AbstractMergeNode;
  36 import org.graalvm.compiler.nodes.PhiNode;
  37 import org.graalvm.compiler.nodes.StructuredGraph;
  38 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
  39 import org.graalvm.compiler.nodes.StructuredGraph.ScheduleResult;
  40 import org.graalvm.compiler.nodes.cfg.Block;
  41 import org.graalvm.compiler.nodes.java.InstanceOfNode;
  42 import org.graalvm.compiler.phases.common.CanonicalizerPhase;
  43 import org.graalvm.compiler.phases.common.ConditionalEliminationPhase;
  44 import org.graalvm.compiler.phases.schedule.SchedulePhase;
  45 import org.graalvm.compiler.phases.tiers.PhaseContext;
  46 import org.junit.Assert;
  47 import org.junit.Ignore;
  48 import org.junit.Test;
  49 
  50 /**
  51  * In the following tests, the scalar type system of the compiler should be complete enough to see


 162         }
 163 
 164         return ((InputStream) o).available();
 165     }
 166 
 167     @Test
 168     public void test7() {
 169         test("test7Snippet", "referenceSnippet7");
 170     }
 171 
 172     public static int test7Snippet(int x) {
 173         return ((x & 0xff) << 10) == ((x & 0x1f) + 1) ? 0 : x;
 174     }
 175 
 176     public static int referenceSnippet7(int x) {
 177         return x;
 178     }
 179 
 180     private void test(String snippet, String referenceSnippet) {
 181         StructuredGraph graph = parseEager(snippet, AllowAssumptions.NO);
 182         Debug.dump(Debug.BASIC_LEVEL, graph, "Graph");

 183         /*
 184          * When using FlowSensitiveReductionPhase instead of ConditionalEliminationPhase,
 185          * tail-duplication gets activated thus resulting in a graph with more nodes than the
 186          * reference graph.
 187          */
 188         new ConditionalEliminationPhase(false).apply(graph, new PhaseContext(getProviders()));
 189         new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders()));
 190         // a second canonicalizer is needed to process nested MaterializeNodes
 191         new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders()));
 192         StructuredGraph referenceGraph = parseEager(referenceSnippet, AllowAssumptions.NO);
 193         new ConditionalEliminationPhase(false).apply(referenceGraph, new PhaseContext(getProviders()));
 194         new CanonicalizerPhase().apply(referenceGraph, new PhaseContext(getProviders()));
 195         new CanonicalizerPhase().apply(referenceGraph, new PhaseContext(getProviders()));
 196         assertEquals(referenceGraph, graph);
 197     }
 198 
 199     @Override
 200     protected void assertEquals(StructuredGraph expected, StructuredGraph graph) {

 201         if (getNodeCountExcludingUnusedConstants(expected) != getNodeCountExcludingUnusedConstants(graph)) {
 202             Debug.dump(Debug.BASIC_LEVEL, expected, "expected (node count)");
 203             Debug.dump(Debug.BASIC_LEVEL, graph, "graph (node count)");
 204             Assert.fail("Graphs do not have the same number of nodes: " + expected.getNodeCount() + " vs. " + graph.getNodeCount());
 205         }
 206     }
 207 
 208     public static void outputGraph(StructuredGraph graph, String message) {
 209         TTY.println("========================= " + message);
 210         SchedulePhase schedulePhase = new SchedulePhase(graph.getOptions());
 211         schedulePhase.apply(graph);
 212         ScheduleResult schedule = graph.getLastSchedule();
 213         for (Block block : schedule.getCFG().getBlocks()) {
 214             TTY.print("Block " + block + " ");
 215             if (block == schedule.getCFG().getStartBlock()) {
 216                 TTY.print("* ");
 217             }
 218             TTY.print("-> ");
 219             for (Block succ : block.getSuccessors()) {
 220                 TTY.print(succ + " ");
 221             }
 222             TTY.println();
 223             for (Node node : schedule.getBlockToNodesMap().get(block)) {


 226         }
 227     }
 228 
 229     private static void outputNode(Node node) {
 230         TTY.print("  " + node + "    (usage count: " + node.getUsageCount() + ") (inputs:");
 231         for (Node input : node.inputs()) {
 232             TTY.print(" " + input.toString(Verbosity.Id));
 233         }
 234         TTY.println(")");
 235         if (node instanceof AbstractMergeNode) {
 236             for (PhiNode phi : ((AbstractMergeNode) node).phis()) {
 237                 outputNode(phi);
 238             }
 239         }
 240     }
 241 
 242     private <T extends Node> void testHelper(String snippet, Class<T> clazz) {
 243         StructuredGraph graph = parseEager(snippet, AllowAssumptions.NO);
 244         new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders()));
 245         new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders()));
 246         Debug.dump(Debug.BASIC_LEVEL, graph, "Graph " + snippet);

 247         Assert.assertFalse("shouldn't have nodes of type " + clazz, graph.getNodes().filter(clazz).iterator().hasNext());
 248     }
 249 }


  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.io.BufferedInputStream;
  26 import java.io.ByteArrayInputStream;
  27 import java.io.FileInputStream;
  28 import java.io.IOException;
  29 import java.io.InputStream;
  30 
  31 import org.graalvm.compiler.debug.DebugContext;
  32 import org.graalvm.compiler.debug.TTY;
  33 import org.graalvm.compiler.graph.Node;
  34 import org.graalvm.compiler.nodeinfo.Verbosity;
  35 import org.graalvm.compiler.nodes.AbstractMergeNode;
  36 import org.graalvm.compiler.nodes.PhiNode;
  37 import org.graalvm.compiler.nodes.StructuredGraph;
  38 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
  39 import org.graalvm.compiler.nodes.StructuredGraph.ScheduleResult;
  40 import org.graalvm.compiler.nodes.cfg.Block;
  41 import org.graalvm.compiler.nodes.java.InstanceOfNode;
  42 import org.graalvm.compiler.phases.common.CanonicalizerPhase;
  43 import org.graalvm.compiler.phases.common.ConditionalEliminationPhase;
  44 import org.graalvm.compiler.phases.schedule.SchedulePhase;
  45 import org.graalvm.compiler.phases.tiers.PhaseContext;
  46 import org.junit.Assert;
  47 import org.junit.Ignore;
  48 import org.junit.Test;
  49 
  50 /**
  51  * In the following tests, the scalar type system of the compiler should be complete enough to see


 162         }
 163 
 164         return ((InputStream) o).available();
 165     }
 166 
 167     @Test
 168     public void test7() {
 169         test("test7Snippet", "referenceSnippet7");
 170     }
 171 
 172     public static int test7Snippet(int x) {
 173         return ((x & 0xff) << 10) == ((x & 0x1f) + 1) ? 0 : x;
 174     }
 175 
 176     public static int referenceSnippet7(int x) {
 177         return x;
 178     }
 179 
 180     private void test(String snippet, String referenceSnippet) {
 181         StructuredGraph graph = parseEager(snippet, AllowAssumptions.NO);
 182         DebugContext debug = graph.getDebug();
 183         debug.dump(DebugContext.BASIC_LEVEL, graph, "Graph");
 184         /*
 185          * When using FlowSensitiveReductionPhase instead of ConditionalEliminationPhase,
 186          * tail-duplication gets activated thus resulting in a graph with more nodes than the
 187          * reference graph.
 188          */
 189         new ConditionalEliminationPhase(false).apply(graph, new PhaseContext(getProviders()));
 190         new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders()));
 191         // a second canonicalizer is needed to process nested MaterializeNodes
 192         new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders()));
 193         StructuredGraph referenceGraph = parseEager(referenceSnippet, AllowAssumptions.NO);
 194         new ConditionalEliminationPhase(false).apply(referenceGraph, new PhaseContext(getProviders()));
 195         new CanonicalizerPhase().apply(referenceGraph, new PhaseContext(getProviders()));
 196         new CanonicalizerPhase().apply(referenceGraph, new PhaseContext(getProviders()));
 197         assertEquals(referenceGraph, graph);
 198     }
 199 
 200     @Override
 201     protected void assertEquals(StructuredGraph expected, StructuredGraph graph) {
 202         DebugContext debug = graph.getDebug();
 203         if (getNodeCountExcludingUnusedConstants(expected) != getNodeCountExcludingUnusedConstants(graph)) {
 204             debug.dump(DebugContext.BASIC_LEVEL, expected, "expected (node count)");
 205             debug.dump(DebugContext.BASIC_LEVEL, graph, "graph (node count)");
 206             Assert.fail("Graphs do not have the same number of nodes: " + expected.getNodeCount() + " vs. " + graph.getNodeCount());
 207         }
 208     }
 209 
 210     public static void outputGraph(StructuredGraph graph, String message) {
 211         TTY.println("========================= " + message);
 212         SchedulePhase schedulePhase = new SchedulePhase(graph.getOptions());
 213         schedulePhase.apply(graph);
 214         ScheduleResult schedule = graph.getLastSchedule();
 215         for (Block block : schedule.getCFG().getBlocks()) {
 216             TTY.print("Block " + block + " ");
 217             if (block == schedule.getCFG().getStartBlock()) {
 218                 TTY.print("* ");
 219             }
 220             TTY.print("-> ");
 221             for (Block succ : block.getSuccessors()) {
 222                 TTY.print(succ + " ");
 223             }
 224             TTY.println();
 225             for (Node node : schedule.getBlockToNodesMap().get(block)) {


 228         }
 229     }
 230 
 231     private static void outputNode(Node node) {
 232         TTY.print("  " + node + "    (usage count: " + node.getUsageCount() + ") (inputs:");
 233         for (Node input : node.inputs()) {
 234             TTY.print(" " + input.toString(Verbosity.Id));
 235         }
 236         TTY.println(")");
 237         if (node instanceof AbstractMergeNode) {
 238             for (PhiNode phi : ((AbstractMergeNode) node).phis()) {
 239                 outputNode(phi);
 240             }
 241         }
 242     }
 243 
 244     private <T extends Node> void testHelper(String snippet, Class<T> clazz) {
 245         StructuredGraph graph = parseEager(snippet, AllowAssumptions.NO);
 246         new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders()));
 247         new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders()));
 248         DebugContext debug = graph.getDebug();
 249         debug.dump(DebugContext.BASIC_LEVEL, graph, "Graph " + snippet);
 250         Assert.assertFalse("shouldn't have nodes of type " + clazz, graph.getNodes().filter(clazz).iterator().hasNext());
 251     }
 252 }
src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/TypeSystemTest.java
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