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

Example 21 with DebugCloseable

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

the class CountedLoopInfo method createOverFlowGuard.

@SuppressWarnings("try")
public GuardingNode createOverFlowGuard() {
    GuardingNode overflowGuard = getOverFlowGuard();
    if (overflowGuard != null) {
        return overflowGuard;
    }
    try (DebugCloseable position = loop.loopBegin().withNodeSourcePosition()) {
        IntegerStamp stamp = (IntegerStamp) iv.valueNode().stamp(NodeView.DEFAULT);
        StructuredGraph graph = iv.valueNode().graph();
        // we use a negated guard with a < condition to achieve a >=
        CompareNode cond;
        ConstantNode one = ConstantNode.forIntegerStamp(stamp, 1, graph);
        if (iv.direction() == Direction.Up) {
            ValueNode v1 = sub(graph, ConstantNode.forIntegerStamp(stamp, CodeUtil.maxValue(stamp.getBits()), graph), sub(graph, iv.strideNode(), one));
            if (oneOff) {
                v1 = sub(graph, v1, one);
            }
            cond = graph.unique(new IntegerLessThanNode(v1, end));
        } else {
            assert iv.direction() == Direction.Down;
            ValueNode v1 = add(graph, ConstantNode.forIntegerStamp(stamp, CodeUtil.minValue(stamp.getBits()), graph), sub(graph, one, iv.strideNode()));
            if (oneOff) {
                v1 = add(graph, v1, one);
            }
            cond = graph.unique(new IntegerLessThanNode(end, v1));
        }
        assert graph.getGuardsStage().allowsFloatingGuards();
        overflowGuard = graph.unique(new GuardNode(cond, AbstractBeginNode.prevBegin(loop.entryPoint()), DeoptimizationReason.LoopLimitCheck, DeoptimizationAction.InvalidateRecompile, true, // TODO gd: use speculation
        JavaConstant.NULL_POINTER));
        loop.loopBegin().setOverflowGuard(overflowGuard);
        return overflowGuard;
    }
}

Example 22 with DebugCloseable

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

the class LoopFragmentInside method getDuplicationReplacement.

@Override
@SuppressWarnings("try")
protected DuplicationReplacement getDuplicationReplacement() {
    final LoopBeginNode loopBegin = loop().loopBegin();
    final StructuredGraph graph = graph();
    return new DuplicationReplacement() {

        private EconomicMap<Node, Node> seenNode = EconomicMap.create(Equivalence.IDENTITY);

        @Override
        public Node replacement(Node original) {
            try (DebugCloseable position = original.withNodeSourcePosition()) {
                if (original == loopBegin) {
                    Node value = seenNode.get(original);
                    if (value != null) {
                        return value;
                    }
                    AbstractBeginNode newValue = graph.add(new BeginNode());
                    seenNode.put(original, newValue);
                    return newValue;
                }
                if (original instanceof LoopExitNode && ((LoopExitNode) original).loopBegin() == loopBegin) {
                    Node value = seenNode.get(original);
                    if (value != null) {
                        return value;
                    }
                    AbstractBeginNode newValue = graph.add(new BeginNode());
                    seenNode.put(original, newValue);
                    return newValue;
                }
                if (original instanceof LoopEndNode && ((LoopEndNode) original).loopBegin() == loopBegin) {
                    Node value = seenNode.get(original);
                    if (value != null) {
                        return value;
                    }
                    EndNode newValue = graph.add(new EndNode());
                    seenNode.put(original, newValue);
                    return newValue;
                }
                return original;
            }
        }
    };
}

Example 23 with DebugCloseable

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

the class WriteBarrierVerificationTest method testPredicate.

@SuppressWarnings("try")
private void testPredicate(final String snippet, final GraphPredicate expectedBarriers, final int... removedBarrierIndices) {
    DebugContext debug = getDebugContext();
    try (DebugCloseable d = debug.disableIntercept();
        DebugContext.Scope s = debug.scope("WriteBarrierVerificationTest", new DebugDumpScope(snippet))) {
        final StructuredGraph graph = parseEager(snippet, AllowAssumptions.YES, debug);
        HighTierContext highTierContext = getDefaultHighTierContext();
        new InliningPhase(new CanonicalizerPhase()).apply(graph, highTierContext);
        MidTierContext midTierContext = new MidTierContext(getProviders(), getTargetProvider(), OptimisticOptimizations.ALL, graph.getProfilingInfo());
        new LoweringPhase(new CanonicalizerPhase(), LoweringTool.StandardLoweringStage.HIGH_TIER).apply(graph, highTierContext);
        new GuardLoweringPhase().apply(graph, midTierContext);
        new LoopSafepointInsertionPhase().apply(graph);
        new LoweringPhase(new CanonicalizerPhase(), LoweringTool.StandardLoweringStage.MID_TIER).apply(graph, highTierContext);
        new WriteBarrierAdditionPhase(config).apply(graph);
        int barriers = 0;
        // First, the total number of expected barriers is checked.
        if (config.useG1GC) {
            barriers = graph.getNodes().filter(G1PreWriteBarrier.class).count() + graph.getNodes().filter(G1PostWriteBarrier.class).count() + graph.getNodes().filter(G1ArrayRangePreWriteBarrier.class).count() + graph.getNodes().filter(G1ArrayRangePostWriteBarrier.class).count();
            Assert.assertTrue(expectedBarriers.apply(graph) * 2 == barriers);
        } else {
            barriers = graph.getNodes().filter(SerialWriteBarrier.class).count() + graph.getNodes().filter(SerialArrayRangeWriteBarrier.class).count();
            Assert.assertTrue(expectedBarriers.apply(graph) == barriers);
        }
        ResolvedJavaField barrierIndexField = getMetaAccess().lookupJavaField(WriteBarrierVerificationTest.class.getDeclaredField("barrierIndex"));
        LocationIdentity barrierIdentity = new FieldLocationIdentity(barrierIndexField);
        // Iterate over all write nodes and remove barriers according to input indices.
        NodeIteratorClosure<Boolean> closure = new NodeIteratorClosure<Boolean>() {

            @Override
            protected Boolean processNode(FixedNode node, Boolean currentState) {
                if (node instanceof WriteNode) {
                    WriteNode write = (WriteNode) node;
                    LocationIdentity obj = write.getLocationIdentity();
                    if (obj.equals(barrierIdentity)) {
                        /*
                             * A "barrierIndex" variable was found and is checked against the input
                             * barrier array.
                             */
                        if (eliminateBarrier(write.value().asJavaConstant().asInt(), removedBarrierIndices)) {
                            return true;
                        }
                    }
                } else if (node instanceof SerialWriteBarrier || node instanceof G1PostWriteBarrier) {
                    // Remove flagged write barriers.
                    if (currentState) {
                        graph.removeFixed(((FixedWithNextNode) node));
                        return false;
                    }
                }
                return currentState;
            }

            private boolean eliminateBarrier(int index, int[] map) {
                for (int i = 0; i < map.length; i++) {
                    if (map[i] == index) {
                        return true;
                    }
                }
                return false;
            }

            @Override
            protected EconomicMap<LoopExitNode, Boolean> processLoop(LoopBeginNode loop, Boolean initialState) {
                return ReentrantNodeIterator.processLoop(this, loop, initialState).exitStates;
            }

            @Override
            protected Boolean merge(AbstractMergeNode merge, List<Boolean> states) {
                return false;
            }

            @Override
            protected Boolean afterSplit(AbstractBeginNode node, Boolean oldState) {
                return false;
            }
        };
        try (Scope disabled = debug.disable()) {
            ReentrantNodeIterator.apply(closure, graph.start(), false);
            new WriteBarrierVerificationPhase(config).apply(graph);
        } catch (AssertionError error) {
            /*
                 * Catch assertion, test for expected one and re-throw in order to validate unit
                 * test.
                 */
            Assert.assertTrue(error.getMessage().contains("Write barrier must be present"));
            throw error;
        }
    } catch (Throwable e) {
        throw debug.handle(e);
    }
}

Example 24 with DebugCloseable

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

the class FixedGuardNode method lower.

@SuppressWarnings("try")
@Override
public void lower(LoweringTool tool) {
    try (DebugCloseable position = this.withNodeSourcePosition()) {
        if (graph().getGuardsStage().allowsFloatingGuards()) {
            if (getAction() != DeoptimizationAction.None) {
                ValueNode guard = tool.createGuard(this, getCondition(), getReason(), getAction(), getSpeculation(), isNegated()).asNode();
                this.replaceAtUsages(guard);
                graph().removeFixed(this);
            }
        } else {
            lowerToIf().lower(tool);
        }
    }
}

Example 25 with DebugCloseable

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

the class PerformanceWarningTest method testHelper.

@SuppressWarnings("try")
private static void testHelper(RootNode rootNode, boolean expectException, String... outputStrings) {
    GraalTruffleRuntime runtime = GraalTruffleRuntime.getRuntime();
    OptimizedCallTarget target = (OptimizedCallTarget) runtime.createCallTarget(rootNode);
    // Compile and capture output to TTY.
    ByteArrayOutputStream outContent = new ByteArrayOutputStream();
    boolean seenException = false;
    try (TTY.Filter filter = new TTY.Filter(new LogStream(outContent))) {
        try (TruffleOptionsOverrideScope scope = TruffleCompilerOptions.overrideOptions(TruffleCompilerOptions.TraceTrufflePerformanceWarnings, Boolean.TRUE);
            TruffleOptionsOverrideScope scope2 = TruffleCompilerOptions.overrideOptions(TruffleCompilerOptions.TrufflePerformanceWarningsAreFatal, Boolean.TRUE)) {
            OptionValues options = TruffleCompilerOptions.getOptions();
            DebugContext debug = DebugContext.create(options, DebugHandlersFactory.LOADER);
            try (DebugCloseable d = debug.disableIntercept();
                DebugContext.Scope s = debug.scope("PerformanceWarningTest")) {
                final OptimizedCallTarget compilable = target;
                TruffleCompilerImpl compiler = (TruffleCompilerImpl) runtime.newTruffleCompiler();
                CompilationIdentifier compilationId = compiler.getCompilationIdentifier(compilable);
                TruffleInliningPlan inliningPlan = new TruffleInlining(compilable, new DefaultInliningPolicy());
                compiler.compileAST(debug, compilable, inliningPlan, compilationId, null, null);
            }
        } catch (AssertionError e) {
            seenException = true;
            if (!expectException) {
                throw new AssertionError("Unexpected exception caught", e);
            }
        }
    }
    if (expectException && !seenException) {
        Assert.assertTrue("Expected exception not caught.", false);
    }
    // Check output on TTY.
    String output = outContent.toString();
    if (outputStrings == EMPTY_PERF_WARNINGS) {
        Assert.assertEquals("", output);
    } else {
        for (String s : outputStrings) {
            Assert.assertTrue(String.format("Root node class %s: \"%s\" not found in output \"%s\"", rootNode.getClass(), s, output), output.contains(s));
        }
    }
}