Examples with Bytecode org.graalvm.compiler.bytecode.Bytecode used on opensource projects

Example 1 with Bytecode

use of org.graalvm.compiler.bytecode.Bytecode in project graal by oracle.

the class HotSpotGraalCompiler method getIntrinsicGraph.

/**
 * Gets a graph produced from the intrinsic for a given method that can be compiled and
 * installed for the method.
 *
 * @param method
 * @param compilationId
 * @param options
 * @param debug
 * @return an intrinsic graph that can be compiled and installed for {@code method} or null
 */
@SuppressWarnings("try")
public StructuredGraph getIntrinsicGraph(ResolvedJavaMethod method, HotSpotProviders providers, CompilationIdentifier compilationId, OptionValues options, DebugContext debug) {
    Replacements replacements = providers.getReplacements();
    Bytecode subst = replacements.getSubstitutionBytecode(method);
    if (subst != null) {
        ResolvedJavaMethod substMethod = subst.getMethod();
        assert !substMethod.equals(method);
        StructuredGraph graph = new StructuredGraph.Builder(options, debug, AllowAssumptions.YES).method(substMethod).compilationId(compilationId).build();
        try (DebugContext.Scope scope = debug.scope("GetIntrinsicGraph", graph)) {
            Plugins plugins = new Plugins(providers.getGraphBuilderPlugins());
            GraphBuilderConfiguration config = GraphBuilderConfiguration.getSnippetDefault(plugins);
            IntrinsicContext initialReplacementContext = new IntrinsicContext(method, substMethod, subst.getOrigin(), ROOT_COMPILATION);
            new GraphBuilderPhase.Instance(providers.getMetaAccess(), providers.getStampProvider(), providers.getConstantReflection(), providers.getConstantFieldProvider(), config, OptimisticOptimizations.NONE, initialReplacementContext).apply(graph);
            assert !graph.isFrozen();
            return graph;
        } catch (Throwable e) {
            debug.handle(e);
        }
    }
    return null;
}

Example 2 with Bytecode

use of org.graalvm.compiler.bytecode.Bytecode 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 Bytecode

use of org.graalvm.compiler.bytecode.Bytecode in project graal by oracle.

the class GraalOSRTestBase method getBackedgeBCI.

/**
 * Returns the target BCI of the first bytecode backedge. This is where HotSpot triggers
 * on-stack-replacement in case the backedge counter overflows.
 */
private static int getBackedgeBCI(DebugContext debug, ResolvedJavaMethod method) {
    Bytecode code = new ResolvedJavaMethodBytecode(method);
    BytecodeStream stream = new BytecodeStream(code.getCode());
    OptionValues options = debug.getOptions();
    BciBlockMapping bciBlockMapping = BciBlockMapping.create(stream, code, options, debug);
    for (BciBlock block : bciBlockMapping.getBlocks()) {
        if (block.startBci != -1) {
            int bci = block.startBci;
            for (BciBlock succ : block.getSuccessors()) {
                if (succ.startBci != -1) {
                    int succBci = succ.startBci;
                    if (succBci < bci) {
                        // back edge
                        return succBci;
                    }
                }
            }
        }
    }
    TTY.println("Cannot find loop back edge with bytecode loops at:%s", Arrays.toString(bciBlockMapping.getLoopHeaders()));
    TTY.println(new BytecodeDisassembler().disassemble(code));
    return -1;
}

Example 4 with Bytecode

use of org.graalvm.compiler.bytecode.Bytecode in project graal by oracle.

the class ReplacementsImpl method getSubstitution.

@Override
public StructuredGraph getSubstitution(ResolvedJavaMethod method, int invokeBci, boolean trackNodeSourcePosition, NodeSourcePosition replaceePosition) {
    StructuredGraph result;
    InvocationPlugin plugin = graphBuilderPlugins.getInvocationPlugins().lookupInvocation(method);
    if (plugin != null && (!plugin.inlineOnly() || invokeBci >= 0)) {
        MetaAccessProvider metaAccess = providers.getMetaAccess();
        if (plugin instanceof MethodSubstitutionPlugin) {
            MethodSubstitutionPlugin msPlugin = (MethodSubstitutionPlugin) plugin;
            ResolvedJavaMethod substitute = msPlugin.getSubstitute(metaAccess);
            StructuredGraph graph = UseSnippetGraphCache.getValue(options) ? graphs.get(substitute) : null;
            if (graph == null || graph.trackNodeSourcePosition() != trackNodeSourcePosition) {
                try (DebugContext debug = openDebugContext("Substitution_", method)) {
                    graph = makeGraph(debug, msPlugin.getBytecodeProvider(), substitute, null, method, trackNodeSourcePosition, replaceePosition);
                    if (!UseSnippetGraphCache.getValue(options)) {
                        return graph;
                    }
                    graph.freeze();
                    graphs.putIfAbsent(substitute, graph);
                    graph = graphs.get(substitute);
                }
            }
            assert graph.isFrozen();
            result = graph;
        } else {
            Bytecode code = new ResolvedJavaMethodBytecode(method);
            ConstantReflectionProvider constantReflection = providers.getConstantReflection();
            ConstantFieldProvider constantFieldProvider = providers.getConstantFieldProvider();
            StampProvider stampProvider = providers.getStampProvider();
            try (DebugContext debug = openDebugContext("Substitution_", method)) {
                result = new IntrinsicGraphBuilder(options, debug, metaAccess, constantReflection, constantFieldProvider, stampProvider, code, invokeBci).buildGraph(plugin);
            }
        }
    } else {
        result = null;
    }
    return result;
}

Example 5 with Bytecode

use of org.graalvm.compiler.bytecode.Bytecode in project graal by oracle.

the class MethodTypeFlowBuilder method parse.

@SuppressWarnings("try")
private boolean parse() {
    OptionValues options = bb.getOptions();
    DebugContext debug = DebugContext.create(options, new GraalDebugHandlersFactory(bb.getProviders().getSnippetReflection()));
    try (Indent indent = debug.logAndIndent("parse graph %s", method)) {
        boolean needParsing = false;
        graph = method.buildGraph(debug, method, bb.getProviders(), Purpose.ANALYSIS);
        if (graph == null) {
            InvocationPlugin plugin = bb.getProviders().getGraphBuilderPlugins().getInvocationPlugins().lookupInvocation(method);
            if (plugin != null && !plugin.inlineOnly()) {
                Bytecode code = new ResolvedJavaMethodBytecode(method);
                graph = new SubstrateIntrinsicGraphBuilder(options, debug, bb.getProviders().getMetaAccess(), bb.getProviders().getConstantReflection(), bb.getProviders().getConstantFieldProvider(), bb.getProviders().getStampProvider(), code).buildGraph(plugin);
            }
        }
        if (graph == null) {
            if (!method.hasBytecodes()) {
                return false;
            }
            needParsing = true;
            graph = new StructuredGraph.Builder(options, debug).method(method).build();
        }
        try (DebugContext.Scope s = debug.scope("ClosedWorldAnalysis", graph, method, this)) {
            // enable this logging to get log output in compilation passes
            try (Indent indent2 = debug.logAndIndent("parse graph phases")) {
                if (needParsing) {
                    GraphBuilderConfiguration config = GraphBuilderConfiguration.getDefault(bb.getProviders().getGraphBuilderPlugins()).withEagerResolving(true).withUnresolvedIsError(PointstoOptions.UnresolvedIsError.getValue(bb.getOptions())).withNodeSourcePosition(true).withBytecodeExceptionMode(BytecodeExceptionMode.CheckAll);
                    bb.getHostVM().createGraphBuilderPhase(bb.getProviders(), config, OptimisticOptimizations.NONE, null).apply(graph);
                }
            } catch (PermanentBailoutException ex) {
                bb.getUnsupportedFeatures().addMessage(method.format("%H.%n(%p)"), method, ex.getLocalizedMessage(), null, ex);
                return false;
            }
            // Register used types and fields before canonicalization can optimize them.
            registerUsedElements(bb, graph, methodFlow);
            new CanonicalizerPhase().apply(graph, new PhaseContext(bb.getProviders()));
            // Do it again after canonicalization changed type checks and field accesses.
            registerUsedElements(bb, graph, methodFlow);
        } catch (Throwable e) {
            throw debug.handle(e);
        }
    }
    return true;
}