Examples with PhaseContext org.graalvm.compiler.phases.tiers.PhaseContext used on opensource projects

Example 56 with PhaseContext

use of org.graalvm.compiler.phases.tiers.PhaseContext in project graal by oracle.

the class ArraysSubstitutionsTest method testCanonicalLength.

@Test
public void testCanonicalLength() {
    StructuredGraph graph = parseEager("testCanonicalLengthSnippet", AllowAssumptions.NO);
    HighTierContext context = new HighTierContext(getProviders(), getDefaultGraphBuilderSuite(), OptimisticOptimizations.ALL);
    new InliningPhase(new CanonicalizerPhase()).apply(graph, context);
    new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders()));
    Assert.assertTrue(graph.getNodes(ReturnNode.TYPE).first().result().asJavaConstant().asLong() == 0);
}

Example 57 with PhaseContext

use of org.graalvm.compiler.phases.tiers.PhaseContext in project graal by oracle.

the class IntegerExactFoldTest method testFoldingAfterLowering.

@Test
public void testFoldingAfterLowering() {
    StructuredGraph graph = prepareGraph();
    Node originalNode = graph.getNodes().filter(x -> x instanceof IntegerExactArithmeticNode).first();
    assertNotNull("original node must be in the graph", originalNode);
    graph.setGuardsStage(GuardsStage.FIXED_DEOPTS);
    CanonicalizerPhase canonicalizer = new CanonicalizerPhase();
    PhaseContext context = new PhaseContext(getProviders());
    new LoweringPhase(canonicalizer, LoweringTool.StandardLoweringStage.HIGH_TIER).apply(graph, context);
    IntegerExactArithmeticSplitNode loweredNode = graph.getNodes().filter(IntegerExactArithmeticSplitNode.class).first();
    assertNotNull("the lowered node must be in the graph", loweredNode);
    loweredNode.getX().setStamp(StampFactory.forInteger(bits, lowerBoundA, upperBoundA));
    loweredNode.getY().setStamp(StampFactory.forInteger(bits, lowerBoundB, upperBoundB));
    new CanonicalizerPhase().apply(graph, context);
    ValueNode node = findNode(graph);
    boolean overflowExpected = node instanceof IntegerExactArithmeticSplitNode;
    IntegerStamp resultStamp = (IntegerStamp) node.stamp(NodeView.DEFAULT);
    operation.verifyOverflow(lowerBoundA, upperBoundA, lowerBoundB, upperBoundB, bits, overflowExpected, resultStamp);
}

Example 58 with PhaseContext

use of org.graalvm.compiler.phases.tiers.PhaseContext in project graal by oracle.

the class PoorMansEATest method test.

@SuppressWarnings("try")
private void test(final String snippet) {
    DebugContext debug = getDebugContext();
    try (DebugContext.Scope s = debug.scope("PoorMansEATest", new DebugDumpScope(snippet))) {
        StructuredGraph graph = parseEager(snippet, AllowAssumptions.NO);
        HighTierContext highTierContext = getDefaultHighTierContext();
        new InliningPhase(new CanonicalizerPhase()).apply(graph, highTierContext);
        PhaseContext context = new PhaseContext(getProviders());
        new LoweringPhase(new CanonicalizerPhase(), LoweringTool.StandardLoweringStage.HIGH_TIER).apply(graph, context);
        // remove framestates in order to trigger the simplification.
        cleanup: for (FrameState fs : graph.getNodes(FrameState.TYPE).snapshot()) {
            for (Node input : fs.inputs()) {
                if (input instanceof NewInstanceNode) {
                    fs.replaceAtUsages(null);
                    fs.safeDelete();
                    continue cleanup;
                }
            }
        }
        new CanonicalizerPhase().apply(graph, context);
    } catch (Throwable e) {
        throw debug.handle(e);
    }
}

Example 59 with PhaseContext

use of org.graalvm.compiler.phases.tiers.PhaseContext in project graal by oracle.

the class UnusedArray method test.

public void test(String method) {
    StructuredGraph graph = parseEager(method, StructuredGraph.AllowAssumptions.YES);
    new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders()));
    NodeIterable<NewArrayNode> newArrayNodes = graph.getNodes().filter(NewArrayNode.class);
    assertThat(newArrayNodes, isEmpty());
}

Example 60 with PhaseContext

use of org.graalvm.compiler.phases.tiers.PhaseContext in project graal by oracle.

the class CompiledMethodTest method test1.

/**
 * Usages of the constant {@code " "} are replaced with the constant {@code "-"} and it is
 * verified that executing the compiled code produces a result that the preserves the node
 * replacement unless deoptimization occurs (e.g., due to -Xcomp causing profiles to be
 * missing).
 */
@Test
public void test1() {
    final ResolvedJavaMethod javaMethod = getResolvedJavaMethod("testMethod");
    final StructuredGraph graph = parseEager(javaMethod, AllowAssumptions.NO);
    new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders()));
    new DeadCodeEliminationPhase().apply(graph);
    for (ConstantNode node : ConstantNode.getConstantNodes(graph)) {
        if (node.getStackKind() == JavaKind.Object && " ".equals(getSnippetReflection().asObject(String.class, node.asJavaConstant()))) {
            node.replace(graph, ConstantNode.forConstant(getSnippetReflection().forObject("-"), getMetaAccess(), graph));
        }
    }
    InstalledCode compiledMethod = getCode(javaMethod, graph);
    try {
        Object result = compiledMethod.executeVarargs("1", "2", "3");
        if (!"1-2-3".equals(result)) {
            // Deoptimization probably occurred
            Assert.assertEquals("interpreter", result);
        }
    } catch (InvalidInstalledCodeException t) {
        Assert.fail("method invalidated");
    }
}