Examples with CoreProviders org.graalvm.compiler.nodes.spi.CoreProviders used on opensource projects

Example 11 with CoreProviders

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

the class UnsafeVirtualizationTest method testPartialEscapeReadElimination.

public void testPartialEscapeReadElimination(String snippet, boolean canonicalizeBefore, boolean shouldEscapeRead, boolean shouldEscapeWrite, Object... args) {
    assert TestClassInt.fieldOffset1 % 8 == 0 : "First of the two int-fields must be 8-byte aligned";
    ResolvedJavaMethod method = getResolvedJavaMethod(snippet);
    StructuredGraph graph = parseEager(snippet, AllowAssumptions.NO);
    OptionValues options = graph.getOptions();
    CoreProviders context = getDefaultHighTierContext();
    CanonicalizerPhase canonicalizer = createCanonicalizerPhase();
    if (canonicalizeBefore) {
        canonicalizer.apply(graph, context);
    }
    Result r = executeExpected(method, null, args);
    int readCount = graph.getNodes().filter(RawLoadNode.class).count();
    int writeCount = graph.getNodes().filter(RawStoreNode.class).count();
    new PartialEscapePhase(true, true, canonicalizer, null, options).apply(graph, context);
    boolean canVirtualize = true;
    assert graph.getNodes().filter(VirtualObjectNode.class).count() == 1;
    VirtualObjectNode virtual = graph.getNodes().filter(VirtualObjectNode.class).first();
    if (virtual instanceof VirtualArrayNode) {
        VirtualArrayNode array = (VirtualArrayNode) virtual;
        if (array.isVirtualByteArray(context.getMetaAccessExtensionProvider())) {
            canVirtualize = context.getPlatformConfigurationProvider().canVirtualizeLargeByteArrayAccess();
        }
    }
    boolean escapeReads = shouldEscapeRead && canVirtualize;
    boolean escapeWrites = shouldEscapeWrite && canVirtualize;
    if (escapeReads) {
        int newCount = graph.getNodes().filter(RawLoadNode.class).count();
        assertTrue(readCount > newCount, "PEA did not escape reads. before: " + readCount + ", after " + newCount);
    }
    if (escapeWrites) {
        int newCount = graph.getNodes().filter(RawStoreNode.class).count();
        assertTrue(writeCount > newCount, "PEA did not escape writes, before: " + writeCount + ", after: " + newCount);
    }
    try {
        InstalledCode code = getCode(method, graph);
        Object result = code.executeVarargs(args);
        assertEquals(r, new Result(result, null));
    } catch (Throwable e) {
        assertFalse(true, e.toString());
    }
}

Example 12 with CoreProviders

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

the class UnsafeReadEliminationTest method testPartialEscapeReadElimination.

public void testPartialEscapeReadElimination(StructuredGraph graph, int reads, int writes) {
    OptionValues options = graph.getOptions();
    CoreProviders context = getDefaultHighTierContext();
    CanonicalizerPhase canonicalizer = createCanonicalizerPhase();
    canonicalizer.apply(graph, context);
    new PartialEscapePhase(true, true, canonicalizer, null, options).apply(graph, context);
    Assert.assertEquals(3, graph.getNodes().filter(UnsafeAccessNode.class).count());
    // after lowering the same applies for reads and writes
    new LoweringPhase(canonicalizer, LoweringTool.StandardLoweringStage.HIGH_TIER).apply(graph, context);
    canonicalizer.apply(graph, context);
    new PartialEscapePhase(true, true, canonicalizer, null, options).apply(graph, context);
    Assert.assertEquals(reads, graph.getNodes().filter(ReadNode.class).count());
    Assert.assertEquals(writes, graph.getNodes().filter(WriteNode.class).count());
}

Example 13 with CoreProviders

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

the class IfNodeCanonicalizationTest method test.

public void test(String name, Class<? extends Node> expectedClass, int expectedCount) {
    StructuredGraph graph = parseEager(name, AllowAssumptions.YES);
    CoreProviders context = getProviders();
    CanonicalizerPhase canonicalizer = createCanonicalizerPhase();
    new ConvertDeoptimizeToGuardPhase().apply(graph, context);
    graph.clearAllStateAfterForTestingOnly();
    graph.setGuardsStage(StructuredGraph.GuardsStage.AFTER_FSA);
    canonicalizer.apply(graph, context);
    new IterativeConditionalEliminationPhase(canonicalizer, true).apply(graph, context);
    canonicalizer.apply(graph, context);
    canonicalizer.apply(graph, context);
    Assert.assertEquals(expectedCount, graph.getNodes().filter(expectedClass).count());
}

Example 14 with CoreProviders

use of org.graalvm.compiler.nodes.spi.CoreProviders 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
    CoreProviders context = getProviders();
    LoweringPhase lowering = new LoweringPhase(createCanonicalizerPhase(), 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 = createCanonicalizerPhase();
    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));
}

Example 15 with CoreProviders

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

the class NativeImageGenerator method modifySuites.

@SuppressWarnings("unused")
private static Suites modifySuites(SubstrateBackend backend, Suites suites, FeatureHandler featureHandler, RuntimeConfiguration runtimeConfig, SnippetReflectionProvider snippetReflection, boolean hosted, boolean firstTier) {
    Providers runtimeCallProviders = backend.getProviders();
    PhaseSuite<HighTierContext> highTier = suites.getHighTier();
    PhaseSuite<MidTierContext> midTier = suites.getMidTier();
    PhaseSuite<LowTierContext> lowTier = suites.getLowTier();
    final boolean economy = firstTier || SubstrateOptions.useEconomyCompilerConfig();
    ListIterator<BasePhase<? super HighTierContext>> position;
    if (hosted) {
        position = GraalConfiguration.hostedInstance().createHostedInliners(highTier);
    } else {
        /* Find the runtime inliner. */
        position = highTier.findPhase(InliningPhase.class);
    }
    if (position != null) {
        /* These two phases must be after all method inlining. */
        position.add(new DeadStoreRemovalPhase());
        position.add(new RemoveUnwindPhase());
    } else {
        /* There is no inlining, so prepend them in reverse order. */
        highTier.prependPhase(new RemoveUnwindPhase());
        highTier.prependPhase(new DeadStoreRemovalPhase());
    }
    lowTier.addBeforeLast(new OptimizeExceptionPathsPhase());
    BasePhase<CoreProviders> addressLoweringPhase = backend.newAddressLoweringPhase(runtimeCallProviders.getCodeCache());
    if (economy) {
        lowTier.findPhase(ExpandLogicPhase.class, true).add(addressLoweringPhase);
    } else {
        lowTier.findPhase(UseTrappingNullChecksPhase.class).add(addressLoweringPhase);
    }
    if (SubstrateOptions.MultiThreaded.getValue()) {
        /*
             * Graal inserts only loop safepoints. We want a SafepointNode also before every return.
             * Our safepoint insertion phase inserts both kinds of safepoints.
             */
        midTier.findPhase(LoopSafepointInsertionPhase.class).set(new SubstrateSafepointInsertionPhase());
    } else {
        /* No need for safepoints when we have only one thread. */
        VMError.guarantee(midTier.removePhase(LoopSafepointInsertionPhase.class));
    }
    if (hosted) {
        lowTier.appendPhase(new VerifyNoGuardsPhase());
        /* Disable the Graal method inlining, since we have our own inlining system. */
        highTier.removePhase(InliningPhase.class);
        /* Remove phases that are not suitable for AOT compilation. */
        highTier.removePhase(ConvertDeoptimizeToGuardPhase.class);
        midTier.removePhase(DeoptimizationGroupingPhase.class);
    } else {
        if (economy) {
            ListIterator<BasePhase<? super MidTierContext>> it = midTier.findPhase(FrameStateAssignmentPhase.class);
            it.add(new CollectDeoptimizationSourcePositionsPhase());
            // On SVM, the economy configuration requires a canonicalization run at the end of
            // mid tier.
            it = midTier.findLastPhase();
            it.add(CanonicalizerPhase.create());
        } else {
            ListIterator<BasePhase<? super MidTierContext>> it = midTier.findPhase(DeoptimizationGroupingPhase.class);
            it.previous();
            it.add(new CollectDeoptimizationSourcePositionsPhase());
        }
    }
    featureHandler.forEachGraalFeature(feature -> feature.registerGraalPhases(runtimeCallProviders, snippetReflection, suites, hosted));
    if (hosted && ImageBuildStatistics.Options.CollectImageBuildStatistics.getValue(HostedOptionValues.singleton())) {
        highTier.prependPhase(new ImageBuildStatisticsCounterPhase(ImageBuildStatistics.CheckCountLocation.BEFORE_HIGH_TIER));
        highTier.prependPhase(CanonicalizerPhase.create());
        highTier.findLastPhase().add(CanonicalizerPhase.create());
        highTier.findLastPhase().add(new ImageBuildStatisticsCounterPhase(ImageBuildStatistics.CheckCountLocation.AFTER_HIGH_TIER));
    }
    return suites;
}