Examples with DebugCloseable org.graalvm.compiler.debug.DebugCloseable used on opensource projects

Example 1 with DebugCloseable

use of org.graalvm.compiler.debug.DebugCloseable in project graal by oracle.

the class OnStackReplacementPhase method run.

@Override
@SuppressWarnings("try")
protected void run(StructuredGraph graph) {
    DebugContext debug = graph.getDebug();
    if (graph.getEntryBCI() == JVMCICompiler.INVOCATION_ENTRY_BCI) {
        // used.
        assert graph.getNodes(EntryMarkerNode.TYPE).isEmpty();
        return;
    }
    debug.dump(DebugContext.DETAILED_LEVEL, graph, "OnStackReplacement initial at bci %d", graph.getEntryBCI());
    EntryMarkerNode osr;
    int maxIterations = -1;
    int iterations = 0;
    final EntryMarkerNode originalOSRNode = getEntryMarker(graph);
    final LoopBeginNode originalOSRLoop = osrLoop(originalOSRNode);
    final boolean currentOSRWithLocks = osrWithLocks(originalOSRNode);
    if (originalOSRLoop == null) {
        /*
             * OSR with Locks: We do not have an OSR loop for the original OSR bci. Therefore we
             * cannot decide where to deopt and which framestate will be used. In the worst case the
             * framestate of the OSR entry would be used.
             */
        throw new PermanentBailoutException("OSR compilation without OSR entry loop.");
    }
    if (!supportOSRWithLocks(graph.getOptions()) && currentOSRWithLocks) {
        throw new PermanentBailoutException("OSR with locks disabled.");
    }
    do {
        osr = getEntryMarker(graph);
        LoopsData loops = new LoopsData(graph);
        // Find the loop that contains the EntryMarker
        Loop<Block> l = loops.getCFG().getNodeToBlock().get(osr).getLoop();
        if (l == null) {
            break;
        }
        iterations++;
        if (maxIterations == -1) {
            maxIterations = l.getDepth();
        } else if (iterations > maxIterations) {
            throw GraalError.shouldNotReachHere();
        }
        // Peel the outermost loop first
        while (l.getParent() != null) {
            l = l.getParent();
        }
        LoopTransformations.peel(loops.loop(l));
        osr.replaceAtUsages(InputType.Guard, AbstractBeginNode.prevBegin((FixedNode) osr.predecessor()));
        for (Node usage : osr.usages().snapshot()) {
            EntryProxyNode proxy = (EntryProxyNode) usage;
            proxy.replaceAndDelete(proxy.value());
        }
        GraphUtil.removeFixedWithUnusedInputs(osr);
        debug.dump(DebugContext.DETAILED_LEVEL, graph, "OnStackReplacement loop peeling result");
    } while (true);
    StartNode start = graph.start();
    FrameState osrState = osr.stateAfter();
    OSRStartNode osrStart;
    try (DebugCloseable context = osr.withNodeSourcePosition()) {
        osr.setStateAfter(null);
        osrStart = graph.add(new OSRStartNode());
        FixedNode next = osr.next();
        osr.setNext(null);
        osrStart.setNext(next);
        graph.setStart(osrStart);
        osrStart.setStateAfter(osrState);
        debug.dump(DebugContext.DETAILED_LEVEL, graph, "OnStackReplacement after setting OSR start");
        final int localsSize = osrState.localsSize();
        final int locksSize = osrState.locksSize();
        for (int i = 0; i < localsSize + locksSize; i++) {
            ValueNode value = null;
            if (i >= localsSize) {
                value = osrState.lockAt(i - localsSize);
            } else {
                value = osrState.localAt(i);
            }
            if (value instanceof EntryProxyNode) {
                EntryProxyNode proxy = (EntryProxyNode) value;
                /*
                     * We need to drop the stamp since the types we see during OSR may be too
                     * precise (if a branch was not parsed for example). In cases when this is
                     * possible, we insert a guard and narrow the OSRLocal stamp at its usages.
                     */
                Stamp narrowedStamp = proxy.value().stamp(NodeView.DEFAULT);
                Stamp unrestrictedStamp = proxy.stamp(NodeView.DEFAULT).unrestricted();
                ValueNode osrLocal;
                if (i >= localsSize) {
                    osrLocal = graph.addOrUnique(new OSRLockNode(i - localsSize, unrestrictedStamp));
                } else {
                    osrLocal = graph.addOrUnique(new OSRLocalNode(i, unrestrictedStamp));
                }
                // Speculate on the OSRLocal stamps that could be more precise.
                OSRLocalSpeculationReason reason = new OSRLocalSpeculationReason(osrState.bci, narrowedStamp, i);
                if (graph.getSpeculationLog().maySpeculate(reason) && osrLocal instanceof OSRLocalNode && value.getStackKind().equals(JavaKind.Object) && !narrowedStamp.isUnrestricted()) {
                    // Add guard.
                    LogicNode check = graph.addOrUniqueWithInputs(InstanceOfNode.createHelper((ObjectStamp) narrowedStamp, osrLocal, null, null));
                    JavaConstant constant = graph.getSpeculationLog().speculate(reason);
                    FixedGuardNode guard = graph.add(new FixedGuardNode(check, DeoptimizationReason.OptimizedTypeCheckViolated, DeoptimizationAction.InvalidateRecompile, constant, false));
                    graph.addAfterFixed(osrStart, guard);
                    // Replace with a more specific type at usages.
                    // We know that we are at the root,
                    // so we need to replace the proxy in the state.
                    proxy.replaceAtMatchingUsages(osrLocal, n -> n == osrState);
                    osrLocal = graph.addOrUnique(new PiNode(osrLocal, narrowedStamp, guard));
                }
                proxy.replaceAndDelete(osrLocal);
            } else {
                assert value == null || value instanceof OSRLocalNode;
            }
        }
        osr.replaceAtUsages(InputType.Guard, osrStart);
    }
    debug.dump(DebugContext.DETAILED_LEVEL, graph, "OnStackReplacement after replacing entry proxies");
    GraphUtil.killCFG(start);
    debug.dump(DebugContext.DETAILED_LEVEL, graph, "OnStackReplacement result");
    new DeadCodeEliminationPhase(Required).apply(graph);
    if (currentOSRWithLocks) {
        OsrWithLocksCount.increment(debug);
        try (DebugCloseable context = osrStart.withNodeSourcePosition()) {
            for (int i = osrState.monitorIdCount() - 1; i >= 0; --i) {
                MonitorIdNode id = osrState.monitorIdAt(i);
                ValueNode lockedObject = osrState.lockAt(i);
                OSRMonitorEnterNode osrMonitorEnter = graph.add(new OSRMonitorEnterNode(lockedObject, id));
                for (Node usage : id.usages()) {
                    if (usage instanceof AccessMonitorNode) {
                        AccessMonitorNode access = (AccessMonitorNode) usage;
                        access.setObject(lockedObject);
                    }
                }
                FixedNode oldNext = osrStart.next();
                oldNext.replaceAtPredecessor(null);
                osrMonitorEnter.setNext(oldNext);
                osrStart.setNext(osrMonitorEnter);
            }
        }
        debug.dump(DebugContext.DETAILED_LEVEL, graph, "After inserting OSR monitor enters");
        /*
             * Ensure balanced monitorenter - monitorexit
             *
             * Ensure that there is no monitor exit without a monitor enter in the graph. If there
             * is one this can only be done by bytecode as we have the monitor enter before the OSR
             * loop but the exit in a path of the loop that must be under a condition, else it will
             * throw an IllegalStateException anyway in the 2.iteration
             */
        for (MonitorExitNode exit : graph.getNodes(MonitorExitNode.TYPE)) {
            MonitorIdNode id = exit.getMonitorId();
            if (id.usages().filter(MonitorEnterNode.class).count() != 1) {
                throw new PermanentBailoutException("Unbalanced monitor enter-exit in OSR compilation with locks. Object is locked before the loop but released inside the loop.");
            }
        }
    }
    debug.dump(DebugContext.DETAILED_LEVEL, graph, "OnStackReplacement result");
    new DeadCodeEliminationPhase(Required).apply(graph);
    /*
         * There must not be any parameter nodes left after OSR compilation.
         */
    assert graph.getNodes(ParameterNode.TYPE).count() == 0 : "OSR Compilation contains references to parameters.";
}

Example 2 with DebugCloseable

use of org.graalvm.compiler.debug.DebugCloseable in project graal by oracle.

the class ConvertDeoptimizeToGuardPhase method processFixedGuardAndMerge.

@SuppressWarnings("try")
private void processFixedGuardAndMerge(FixedGuardNode fixedGuard, PhaseContext context, CompareNode compare, ValueNode x, ValuePhiNode xPhi, ValueNode y, ValuePhiNode yPhi, AbstractMergeNode merge) {
    List<EndNode> mergePredecessors = merge.cfgPredecessors().snapshot();
    for (int i = 0; i < mergePredecessors.size(); ++i) {
        AbstractEndNode mergePredecessor = mergePredecessors.get(i);
        if (!mergePredecessor.isAlive()) {
            break;
        }
        Constant xs;
        if (xPhi == null) {
            xs = x.asConstant();
        } else {
            xs = xPhi.valueAt(mergePredecessor).asConstant();
        }
        Constant ys;
        if (yPhi == null) {
            ys = y.asConstant();
        } else {
            ys = yPhi.valueAt(mergePredecessor).asConstant();
        }
        if (xs != null && ys != null && compare.condition().foldCondition(xs, ys, context.getConstantReflection(), compare.unorderedIsTrue()) == fixedGuard.isNegated()) {
            try (DebugCloseable position = fixedGuard.withNodeSourcePosition()) {
                propagateFixed(mergePredecessor, fixedGuard, context.getLowerer());
            }
        }
    }
}

Example 3 with DebugCloseable

use of org.graalvm.compiler.debug.DebugCloseable in project graal by oracle.

the class InliningUtil method nonNullReceiver.

/**
 * Gets the receiver for an invoke, adding a guard if necessary to ensure it is non-null, and
 * ensuring that the resulting type is compatible with the method being invoked.
 */
@SuppressWarnings("try")
public static ValueNode nonNullReceiver(Invoke invoke) {
    try (DebugCloseable position = invoke.asNode().withNodeSourcePosition()) {
        MethodCallTargetNode callTarget = (MethodCallTargetNode) invoke.callTarget();
        assert !callTarget.isStatic() : callTarget.targetMethod();
        StructuredGraph graph = callTarget.graph();
        ValueNode oldReceiver = callTarget.arguments().get(0);
        ValueNode newReceiver = oldReceiver;
        if (newReceiver.getStackKind() == JavaKind.Object) {
            if (invoke.getInvokeKind() == InvokeKind.Special) {
                Stamp paramStamp = newReceiver.stamp(NodeView.DEFAULT);
                Stamp stamp = paramStamp.join(StampFactory.object(TypeReference.create(graph.getAssumptions(), callTarget.targetMethod().getDeclaringClass())));
                if (!stamp.equals(paramStamp)) {
                    // The verifier and previous optimizations guarantee unconditionally that
                    // the
                    // receiver is at least of the type of the method holder for a special
                    // invoke.
                    newReceiver = graph.unique(new PiNode(newReceiver, stamp));
                }
            }
            if (!StampTool.isPointerNonNull(newReceiver)) {
                LogicNode condition = graph.unique(IsNullNode.create(newReceiver));
                FixedGuardNode fixedGuard = graph.add(new FixedGuardNode(condition, NullCheckException, InvalidateReprofile, true));
                PiNode nonNullReceiver = graph.unique(new PiNode(newReceiver, StampFactory.objectNonNull(), fixedGuard));
                graph.addBeforeFixed(invoke.asNode(), fixedGuard);
                newReceiver = nonNullReceiver;
            }
        }
        if (newReceiver != oldReceiver) {
            callTarget.replaceFirstInput(oldReceiver, newReceiver);
        }
        return newReceiver;
    }
}

Example 4 with DebugCloseable

use of org.graalvm.compiler.debug.DebugCloseable in project graal by oracle.

the class FloatingReadNode method asFixedNode.

@SuppressWarnings("try")
@Override
public FixedAccessNode asFixedNode() {
    try (DebugCloseable position = withNodeSourcePosition()) {
        ReadNode result = graph().add(new ReadNode(getAddress(), getLocationIdentity(), stamp(NodeView.DEFAULT), getBarrierType()));
        result.setGuard(getGuard());
        return result;
    }
}

Example 5 with DebugCloseable

use of org.graalvm.compiler.debug.DebugCloseable in project graal by oracle.

the class CompilationTask method runCompilation.

@SuppressWarnings("try")
public HotSpotCompilationRequestResult runCompilation(DebugContext debug) {
    HotSpotGraalRuntimeProvider graalRuntime = compiler.getGraalRuntime();
    GraalHotSpotVMConfig config = graalRuntime.getVMConfig();
    int entryBCI = getEntryBCI();
    boolean isOSR = entryBCI != JVMCICompiler.INVOCATION_ENTRY_BCI;
    HotSpotResolvedJavaMethod method = getMethod();
    // Log a compilation event.
    EventProvider.CompilationEvent compilationEvent = eventProvider.newCompilationEvent();
    if (installAsDefault) {
        // only need to check for that value.
        if (method.hasCodeAtLevel(entryBCI, config.compilationLevelFullOptimization)) {
            return HotSpotCompilationRequestResult.failure("Already compiled", false);
        }
        if (HotSpotGraalCompilerFactory.checkGraalCompileOnlyFilter(method.getDeclaringClass().toJavaName(), method.getName(), method.getSignature().toString(), HotSpotJVMCICompilerFactory.CompilationLevel.FullOptimization) != HotSpotJVMCICompilerFactory.CompilationLevel.FullOptimization) {
            return HotSpotCompilationRequestResult.failure("GraalCompileOnly excluded", false);
        }
    }
    HotSpotCompilationWrapper compilation = new HotSpotCompilationWrapper(compilationEvent);
    try (DebugCloseable a = CompilationTime.start(debug)) {
        return compilation.run(debug);
    } finally {
        try {
            int compiledBytecodes = 0;
            int codeSize = 0;
            if (compilation.result != null) {
                compiledBytecodes = compilation.result.getBytecodeSize();
                CompiledBytecodes.add(debug, compiledBytecodes);
                if (installedCode != null) {
                    codeSize = installedCode.getSize();
                    CompiledAndInstalledBytecodes.add(debug, compiledBytecodes);
                    InstalledCodeSize.add(debug, codeSize);
                }
            }
            // Log a compilation event.
            if (compilationEvent.shouldWrite()) {
                compilationEvent.setMethod(method.format("%H.%n(%p)"));
                compilationEvent.setCompileId(getId());
                compilationEvent.setCompileLevel(config.compilationLevelFullOptimization);
                compilationEvent.setSucceeded(compilation.result != null && installedCode != null);
                compilationEvent.setIsOsr(isOSR);
                compilationEvent.setCodeSize(codeSize);
                compilationEvent.setInlinedBytes(compiledBytecodes);
                compilationEvent.commit();
            }
        } catch (Throwable t) {
            return compilation.handleException(t);
        }
    }
}