Examples with ParameterNode org.graalvm.compiler.nodes.ParameterNode used on opensource projects

Example 16 with ParameterNode

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

the class BytecodeParser method createStateAfterStartOfReplacementGraph.

/**
 * Creates the frame state after the start node of a graph for an {@link IntrinsicContext
 * intrinsic} that is the parse root (either for root compiling or for post-parse inlining).
 */
private FrameState createStateAfterStartOfReplacementGraph() {
    assert parent == null;
    assert frameState.getMethod().equals(intrinsicContext.getIntrinsicMethod());
    assert bci() == 0;
    assert frameState.stackSize() == 0;
    FrameState stateAfterStart;
    if (intrinsicContext.isPostParseInlined()) {
        stateAfterStart = graph.add(new FrameState(BytecodeFrame.BEFORE_BCI));
    } else {
        ResolvedJavaMethod original = intrinsicContext.getOriginalMethod();
        ValueNode[] locals;
        if (original.getMaxLocals() == frameState.localsSize() || original.isNative()) {
            locals = new ValueNode[original.getMaxLocals()];
            for (int i = 0; i < locals.length; i++) {
                ValueNode node = frameState.locals[i];
                if (node == FrameState.TWO_SLOT_MARKER) {
                    node = null;
                }
                locals[i] = node;
            }
        } else {
            locals = new ValueNode[original.getMaxLocals()];
            int parameterCount = original.getSignature().getParameterCount(!original.isStatic());
            for (int i = 0; i < parameterCount; i++) {
                ValueNode param = frameState.locals[i];
                if (param == FrameState.TWO_SLOT_MARKER) {
                    param = null;
                }
                locals[i] = param;
                assert param == null || param instanceof ParameterNode || param.isConstant();
            }
        }
        ValueNode[] stack = {};
        int stackSize = 0;
        ValueNode[] locks = {};
        List<MonitorIdNode> monitorIds = Collections.emptyList();
        stateAfterStart = graph.add(new FrameState(null, new ResolvedJavaMethodBytecode(original), 0, locals, stack, stackSize, locks, monitorIds, false, false));
    }
    return stateAfterStart;
}

Example 17 with ParameterNode

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

the class SnippetStub method getGraph.

@Override
@SuppressWarnings("try")
protected StructuredGraph getGraph(DebugContext debug, CompilationIdentifier compilationId) {
    Plugins defaultPlugins = providers.getGraphBuilderPlugins();
    MetaAccessProvider metaAccess = providers.getMetaAccess();
    SnippetReflectionProvider snippetReflection = providers.getSnippetReflection();
    Plugins plugins = new Plugins(defaultPlugins);
    plugins.prependParameterPlugin(new ConstantBindingParameterPlugin(makeConstArgs(), metaAccess, snippetReflection));
    GraphBuilderConfiguration config = GraphBuilderConfiguration.getSnippetDefault(plugins);
    // Stubs cannot have optimistic assumptions since they have
    // to be valid for the entire run of the VM.
    final StructuredGraph graph = new StructuredGraph.Builder(options, debug).method(method).compilationId(compilationId).build();
    try (DebugContext.Scope outer = debug.scope("SnippetStub", graph)) {
        graph.disableUnsafeAccessTracking();
        IntrinsicContext initialIntrinsicContext = new IntrinsicContext(method, method, getReplacementsBytecodeProvider(), INLINE_AFTER_PARSING);
        GraphBuilderPhase.Instance instance = new GraphBuilderPhase.Instance(metaAccess, providers.getStampProvider(), providers.getConstantReflection(), providers.getConstantFieldProvider(), config, OptimisticOptimizations.NONE, initialIntrinsicContext);
        instance.apply(graph);
        for (ParameterNode param : graph.getNodes(ParameterNode.TYPE)) {
            int index = param.index();
            if (method.getParameterAnnotation(NonNullParameter.class, index) != null) {
                param.setStamp(param.stamp(NodeView.DEFAULT).join(StampFactory.objectNonNull()));
            }
        }
        new RemoveValueProxyPhase().apply(graph);
        graph.setGuardsStage(GuardsStage.FLOATING_GUARDS);
        CanonicalizerPhase canonicalizer = new CanonicalizerPhase();
        PhaseContext context = new PhaseContext(providers);
        canonicalizer.apply(graph, context);
        new LoweringPhase(canonicalizer, LoweringTool.StandardLoweringStage.HIGH_TIER).apply(graph, context);
    } catch (Throwable e) {
        throw debug.handle(e);
    }
    return graph;
}

Example 18 with ParameterNode

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

the class IntegerExactFoldTest method testFolding.

@Test
public void testFolding() {
    StructuredGraph graph = prepareGraph();
    IntegerStamp a = StampFactory.forInteger(bits, lowerBoundA, upperBoundA);
    IntegerStamp b = StampFactory.forInteger(bits, lowerBoundB, upperBoundB);
    List<ParameterNode> params = graph.getNodes(ParameterNode.TYPE).snapshot();
    params.get(0).replaceAtMatchingUsages(graph.addOrUnique(new PiNode(params.get(0), a)), x -> x instanceof IntegerExactArithmeticNode);
    params.get(1).replaceAtMatchingUsages(graph.addOrUnique(new PiNode(params.get(1), b)), x -> x instanceof IntegerExactArithmeticNode);
    Node originalNode = graph.getNodes().filter(x -> x instanceof IntegerExactArithmeticNode).first();
    assertNotNull("original node must be in the graph", originalNode);
    new CanonicalizerPhase().apply(graph, getDefaultHighTierContext());
    ValueNode node = findNode(graph);
    boolean overflowExpected = node instanceof IntegerExactArithmeticNode;
    IntegerStamp resultStamp = (IntegerStamp) node.stamp(NodeView.DEFAULT);
    operation.verifyOverflow(lowerBoundA, upperBoundA, lowerBoundB, upperBoundB, bits, overflowExpected, resultStamp);
}

Example 19 with ParameterNode

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

the class SystemArrayCopyTest method parse.

@Override
protected StructuredGraph parse(StructuredGraph.Builder builder, PhaseSuite<HighTierContext> graphBuilderSuite) {
    StructuredGraph graph = super.parse(builder, graphBuilderSuite);
    if (argsToBind != null) {
        ResolvedJavaMethod m = graph.method();
        Object receiver = isStatic(m.getModifiers()) ? null : this;
        Object[] args = argsWithReceiver(receiver, argsToBind);
        JavaType[] parameterTypes = m.toParameterTypes();
        assert parameterTypes.length == args.length;
        for (ParameterNode param : graph.getNodes(ParameterNode.TYPE)) {
            int index = param.index();
            if (args[index] != null) {
                JavaConstant c = getSnippetReflection().forBoxed(parameterTypes[index].getJavaKind(), args[index]);
                ConstantNode replacement = ConstantNode.forConstant(c, getMetaAccess(), graph);
                param.replaceAtUsages(replacement);
            }
        }
    }
    return graph;
}

Example 20 with ParameterNode

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

the class InstalledCodeExecuteHelperTest method parse.

@Override
protected StructuredGraph parse(Builder builder, PhaseSuite<HighTierContext> graphBuilderSuite) {
    StructuredGraph graph = super.parse(builder, graphBuilderSuite);
    if (argsToBind != null) {
        ResolvedJavaMethod m = graph.method();
        Object receiver = isStatic(m.getModifiers()) ? null : this;
        Object[] args = argsWithReceiver(receiver, argsToBind);
        JavaType[] parameterTypes = m.toParameterTypes();
        assert parameterTypes.length == args.length;
        for (int i = 0; i < argsToBind.length; i++) {
            ParameterNode param = graph.getParameter(i);
            JavaConstant c = getSnippetReflection().forBoxed(parameterTypes[i].getJavaKind(), argsToBind[i]);
            ConstantNode replacement = ConstantNode.forConstant(c, getMetaAccess(), graph);
            param.replaceAtUsages(replacement);
        }
    }
    return graph;
}