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Example 1 with ConditionAnchorNode

use of org.graalvm.compiler.nodes.ConditionAnchorNode in project graal by oracle.

the class ConditionAnchoringTest method test.

public void test(String name, int ids) {
    StructuredGraph graph = parseEager(name, AllowAssumptions.YES);
    NodeIterable<RawLoadNode> unsafeNodes = graph.getNodes().filter(RawLoadNode.class);
    assertThat(unsafeNodes, hasCount(1));
    // lower unsafe load
    PhaseContext context = new PhaseContext(getProviders());
    LoweringPhase lowering = new LoweringPhase(new CanonicalizerPhase(), StandardLoweringStage.HIGH_TIER);
    lowering.apply(graph, context);
    unsafeNodes = graph.getNodes().filter(RawLoadNode.class);
    NodeIterable<ConditionAnchorNode> conditionAnchors = graph.getNodes().filter(ConditionAnchorNode.class);
    NodeIterable<ReadNode> reads = graph.getNodes().filter(ReadNode.class);
    assertThat(unsafeNodes, isEmpty());
    assertThat(conditionAnchors, hasCount(1));
    // 2 * ids id reads, 1 'field' access
    assertThat(reads, hasCount(2 * ids + 1));
    // float reads and canonicalize to give a chance to conditions to GVN
    FloatingReadPhase floatingReadPhase = new FloatingReadPhase();
    floatingReadPhase.apply(graph);
    CanonicalizerPhase canonicalizerPhase = new CanonicalizerPhase();
    canonicalizerPhase.apply(graph, context);
    NodeIterable<FloatingReadNode> floatingReads = graph.getNodes().filter(FloatingReadNode.class);
    // 1 id read, 1 'field' access
    assertThat(floatingReads, hasCount(ids + 1));
    new ConditionalEliminationPhase(false).apply(graph, context);
    floatingReads = graph.getNodes().filter(FloatingReadNode.class).filter(n -> ((FloatingReadNode) n).getLocationIdentity() instanceof ObjectLocationIdentity);
    conditionAnchors = graph.getNodes().filter(ConditionAnchorNode.class);
    assertThat(floatingReads, hasCount(1));
    assertThat(conditionAnchors, isEmpty());
    FloatingReadNode readNode = floatingReads.first();
    assertThat(readNode.getGuard(), instanceOf(BeginNode.class));
    assertThat(readNode.getGuard().asNode().predecessor(), instanceOf(IfNode.class));
}
Also used : RawLoadNode(org.graalvm.compiler.nodes.extended.RawLoadNode) GraphBuilderConfiguration(org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration) Unsafe(sun.misc.Unsafe) IsInstanceOf.instanceOf(org.hamcrest.core.IsInstanceOf.instanceOf) CanonicalizerPhase(org.graalvm.compiler.phases.common.CanonicalizerPhase) TruffleGraphBuilderPlugins(org.graalvm.compiler.truffle.compiler.substitutions.TruffleGraphBuilderPlugins) ConditionAnchorNode(org.graalvm.compiler.nodes.ConditionAnchorNode) InvocationPlugins(org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins) NodeIterableIsEmpty.isEmpty(org.graalvm.compiler.graph.test.matchers.NodeIterableIsEmpty.isEmpty) GraalCompilerTest(org.graalvm.compiler.core.test.GraalCompilerTest) FloatingReadNode(org.graalvm.compiler.nodes.memory.FloatingReadNode) ReadNode(org.graalvm.compiler.nodes.memory.ReadNode) InlineInvokePlugin(org.graalvm.compiler.nodes.graphbuilderconf.InlineInvokePlugin) AllowAssumptions(org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions) Assert.assertThat(org.junit.Assert.assertThat) InlineInfo.createStandardInlineInfo(org.graalvm.compiler.nodes.graphbuilderconf.InlineInvokePlugin.InlineInfo.createStandardInlineInfo) JavaKind(jdk.vm.ci.meta.JavaKind) ObjectLocationIdentity(org.graalvm.compiler.truffle.compiler.nodes.ObjectLocationIdentity) BeginNode(org.graalvm.compiler.nodes.BeginNode) LoweringPhase(org.graalvm.compiler.phases.common.LoweringPhase) PhaseContext(org.graalvm.compiler.phases.tiers.PhaseContext) FloatingReadPhase(org.graalvm.compiler.phases.common.FloatingReadPhase) IfNode(org.graalvm.compiler.nodes.IfNode) Test(org.junit.Test) Registration(org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins.Registration) ValueNode(org.graalvm.compiler.nodes.ValueNode) StructuredGraph(org.graalvm.compiler.nodes.StructuredGraph) NodeIterable(org.graalvm.compiler.graph.iterators.NodeIterable) NodeIterableCount.hasCount(org.graalvm.compiler.graph.test.matchers.NodeIterableCount.hasCount) GraphBuilderContext(org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext) ConditionalEliminationPhase(org.graalvm.compiler.phases.common.ConditionalEliminationPhase) StandardLoweringStage(org.graalvm.compiler.nodes.spi.LoweringTool.StandardLoweringStage) ResolvedJavaMethod(jdk.vm.ci.meta.ResolvedJavaMethod) ConditionAnchorNode(org.graalvm.compiler.nodes.ConditionAnchorNode) LoweringPhase(org.graalvm.compiler.phases.common.LoweringPhase) ObjectLocationIdentity(org.graalvm.compiler.truffle.compiler.nodes.ObjectLocationIdentity) IfNode(org.graalvm.compiler.nodes.IfNode) RawLoadNode(org.graalvm.compiler.nodes.extended.RawLoadNode) FloatingReadPhase(org.graalvm.compiler.phases.common.FloatingReadPhase) PhaseContext(org.graalvm.compiler.phases.tiers.PhaseContext) StructuredGraph(org.graalvm.compiler.nodes.StructuredGraph) BeginNode(org.graalvm.compiler.nodes.BeginNode) FloatingReadNode(org.graalvm.compiler.nodes.memory.FloatingReadNode) ConditionalEliminationPhase(org.graalvm.compiler.phases.common.ConditionalEliminationPhase) CanonicalizerPhase(org.graalvm.compiler.phases.common.CanonicalizerPhase) FloatingReadNode(org.graalvm.compiler.nodes.memory.FloatingReadNode) ReadNode(org.graalvm.compiler.nodes.memory.ReadNode)

Aggregations

JavaKind (jdk.vm.ci.meta.JavaKind)1 ResolvedJavaMethod (jdk.vm.ci.meta.ResolvedJavaMethod)1 GraalCompilerTest (org.graalvm.compiler.core.test.GraalCompilerTest)1 NodeIterable (org.graalvm.compiler.graph.iterators.NodeIterable)1 NodeIterableCount.hasCount (org.graalvm.compiler.graph.test.matchers.NodeIterableCount.hasCount)1 NodeIterableIsEmpty.isEmpty (org.graalvm.compiler.graph.test.matchers.NodeIterableIsEmpty.isEmpty)1 BeginNode (org.graalvm.compiler.nodes.BeginNode)1 ConditionAnchorNode (org.graalvm.compiler.nodes.ConditionAnchorNode)1 IfNode (org.graalvm.compiler.nodes.IfNode)1 StructuredGraph (org.graalvm.compiler.nodes.StructuredGraph)1 AllowAssumptions (org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions)1 ValueNode (org.graalvm.compiler.nodes.ValueNode)1 RawLoadNode (org.graalvm.compiler.nodes.extended.RawLoadNode)1 GraphBuilderConfiguration (org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration)1 GraphBuilderContext (org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext)1 InlineInvokePlugin (org.graalvm.compiler.nodes.graphbuilderconf.InlineInvokePlugin)1 InlineInfo.createStandardInlineInfo (org.graalvm.compiler.nodes.graphbuilderconf.InlineInvokePlugin.InlineInfo.createStandardInlineInfo)1 InvocationPlugins (org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins)1 Registration (org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins.Registration)1 FloatingReadNode (org.graalvm.compiler.nodes.memory.FloatingReadNode)1