Examples with DeadStoreRemovalPhase com.oracle.svm.core.graal.phases.DeadStoreRemovalPhase used on opensource projects

Example 1 with DeadStoreRemovalPhase

use of com.oracle.svm.core.graal.phases.DeadStoreRemovalPhase in project graal by oracle.

the class NativeImageGenerator method createSuites.

public static Suites createSuites(FeatureHandler featureHandler, RuntimeConfiguration runtimeConfig, SnippetReflectionProvider snippetReflection, boolean hosted) {
    Providers runtimeCallProviders = runtimeConfig.getBackendForNormalMethod().getProviders();
    OptionValues options = hosted ? HostedOptionValues.singleton() : RuntimeOptionValues.singleton();
    Suites suites = GraalConfiguration.instance().createSuites(options, hosted);
    PhaseSuite<HighTierContext> highTier = suites.getHighTier();
    PhaseSuite<MidTierContext> midTier = suites.getMidTier();
    PhaseSuite<LowTierContext> lowTier = suites.getLowTier();
    ListIterator<BasePhase<? super HighTierContext>> position;
    if (hosted) {
        position = GraalConfiguration.instance().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());
    }
    highTier.appendPhase(new StackValuePhase());
    lowTier.addBeforeLast(new OptimizeExceptionCallsPhase());
    CompressEncoding compressEncoding = ImageSingletons.lookup(CompressEncoding.class);
    SubstrateAMD64RegisterConfig registerConfig = (SubstrateAMD64RegisterConfig) runtimeCallProviders.getCodeCache().getRegisterConfig();
    SubstrateAMD64AddressLowering addressLowering = new SubstrateAMD64AddressLowering(compressEncoding, registerConfig);
    lowTier.findPhase(FixReadsPhase.class).add(new AddressLoweringPhase(addressLowering));
    if (SubstrateOptions.MultiThreaded.getValue()) {
        /*
             * Graal inserts only loop safepoints. We want a SafepointNode also before every return.
             */
        midTier.findPhase(LoopSafepointInsertionPhase.class).add(new MethodSafepointInsertionPhase());
    } 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.findPhase(ConvertDeoptimizeToGuardPhase.class, true).remove();
        midTier.findPhase(DeoptimizationGroupingPhase.class).remove();
    } 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));
    return suites;
}

Example 2 with DeadStoreRemovalPhase

use of com.oracle.svm.core.graal.phases.DeadStoreRemovalPhase in project graal by oracle.

the class CompileQueue method defaultParseFunction.

@SuppressWarnings("try")
private void defaultParseFunction(DebugContext debug, HostedMethod method, CompileReason reason, RuntimeConfiguration config) {
    if (method.getAnnotation(Fold.class) != null || method.getAnnotation(NodeIntrinsic.class) != null) {
        throw VMError.shouldNotReachHere("Parsing method annotated with @Fold or @NodeIntrinsic: " + method.format("%H.%n(%p)"));
    }
    HostedProviders providers = (HostedProviders) config.lookupBackend(method).getProviders();
    boolean needParsing = false;
    OptionValues options = HostedOptionValues.singleton();
    StructuredGraph graph = method.buildGraph(debug, method, providers, Purpose.AOT_COMPILATION);
    if (graph == null) {
        InvocationPlugin plugin = providers.getGraphBuilderPlugins().getInvocationPlugins().lookupInvocation(method);
        if (plugin != null && !plugin.inlineOnly()) {
            Bytecode code = new ResolvedJavaMethodBytecode(method);
            // DebugContext debug = new DebugContext(options, providers.getSnippetReflection());
            graph = new SubstrateIntrinsicGraphBuilder(debug.getOptions(), debug, providers.getMetaAccess(), providers.getConstantReflection(), providers.getConstantFieldProvider(), providers.getStampProvider(), code).buildGraph(plugin);
        }
    }
    if (graph == null && method.isNative() && NativeImageOptions.ReportUnsupportedElementsAtRuntime.getValue()) {
        graph = DeletedMethod.buildGraph(debug, method, providers, DeletedMethod.NATIVE_MESSAGE);
    }
    if (graph == null) {
        needParsing = true;
        if (!method.compilationInfo.isDeoptTarget()) {
            /*
                 * Disabling liveness analysis preserves the values of local variables beyond the
                 * bytecode-liveness. This greatly helps debugging. When local variable numbers are
                 * reused by javac, local variables can still get illegal values. Since we cannot
                 * "restore" such illegal values during deoptimization, we must do liveness analysis
                 * for deoptimization target methods.
                 */
            options = new OptionValues(options, GraalOptions.OptClearNonLiveLocals, false);
        }
        graph = new StructuredGraph.Builder(options, debug).method(method).build();
    }
    try (DebugContext.Scope s = debug.scope("Parsing", graph, method, this)) {
        try {
            if (needParsing) {
                GraphBuilderConfiguration gbConf = createHostedGraphBuilderConfiguration(providers, method);
                new HostedGraphBuilderPhase(providers.getMetaAccess(), providers.getStampProvider(), providers.getConstantReflection(), providers.getConstantFieldProvider(), gbConf, optimisticOpts, null, providers.getWordTypes()).apply(graph);
            } else {
                graph.setGuardsStage(GuardsStage.FIXED_DEOPTS);
            }
            new DeadStoreRemovalPhase().apply(graph);
            new DevirtualizeCallsPhase().apply(graph);
            new CanonicalizerPhase().apply(graph, new PhaseContext(providers));
            /*
                 * The StrengthenStampsPhase may not insert type check nodes for specialized
                 * methods, because we would get type state mismatches regarding Const<Type> !=
                 * <Type>
                 */
            /*
                 * cwimmer: the old, commented out, condition always disabled checking of static
                 * analysis results. Therefore, the checks are broken right now.
                 */
            // new StrengthenStampsPhase(BootImageOptions.CheckStaticAnalysisResults.getValue()
            // && method.compilationInfo.deoptTarget != null &&
            // !method.compilationInfo.isDeoptTarget).apply(graph);
            new StrengthenStampsPhase(false).apply(graph);
            new CanonicalizerPhase().apply(graph, new PhaseContext(providers));
            /* Check that graph is in good shape after parsing. */
            assert GraphOrder.assertSchedulableGraph(graph);
            method.compilationInfo.graph = graph;
            for (Invoke invoke : graph.getInvokes()) {
                if (!canBeUsedForInlining(invoke)) {
                    invoke.setUseForInlining(false);
                }
                if (invoke.callTarget() instanceof MethodCallTargetNode) {
                    MethodCallTargetNode targetNode = (MethodCallTargetNode) invoke.callTarget();
                    HostedMethod invokeTarget = (HostedMethod) targetNode.targetMethod();
                    if (targetNode.invokeKind().isDirect()) {
                        if (invokeTarget.wrapped.isImplementationInvoked()) {
                            handleSpecialization(method, targetNode, invokeTarget, invokeTarget);
                            ensureParsed(invokeTarget, new DirectCallReason(method, reason));
                        }
                    } else {
                        for (HostedMethod invokeImplementation : invokeTarget.getImplementations()) {
                            handleSpecialization(method, targetNode, invokeTarget, invokeImplementation);
                            ensureParsed(invokeImplementation, new VirtualCallReason(method, invokeImplementation, reason));
                        }
                    }
                }
            }
        } catch (Throwable ex) {
            GraalError error = ex instanceof GraalError ? (GraalError) ex : new GraalError(ex);
            error.addContext("method: " + method.format("%r %H.%n(%p)"));
            throw error;
        }
    } catch (Throwable e) {
        throw debug.handle(e);
    }
}

Example 3 with DeadStoreRemovalPhase

use of com.oracle.svm.core.graal.phases.DeadStoreRemovalPhase in project graal by oracle.

the class SubstratePartialEvaluator method doGraphPE.

@Override
protected void doGraphPE(CompilableTruffleAST callTarget, StructuredGraph graph, HighTierContext tierContext, TruffleInliningPlan inliningDecision) {
    super.doGraphPE(callTarget, graph, tierContext, inliningDecision);
    new DeadStoreRemovalPhase().apply(graph);
    new TruffleBoundaryPhase().apply(graph);
}