Examples with NewArrayNode org.graalvm.compiler.nodes.java.NewArrayNode used on opensource projects

Example 6 with NewArrayNode

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

the class PartialEscapeAnalysisTest method testPartialEscapeAnalysis.

@SafeVarargs
protected final void testPartialEscapeAnalysis(String snippet, double expectedProbability, int expectedCount, Class<? extends Node>... invalidNodeClasses) {
    prepareGraph(snippet, false);
    for (AbstractMergeNode merge : graph.getNodes(AbstractMergeNode.TYPE)) {
        merge.setStateAfter(null);
    }
    new DeadCodeEliminationPhase().apply(graph);
    new CanonicalizerPhase().apply(graph, context);
    try {
        Assert.assertTrue("partial escape analysis should have removed all NewInstanceNode allocations", graph.getNodes().filter(NewInstanceNode.class).isEmpty());
        Assert.assertTrue("partial escape analysis should have removed all NewArrayNode allocations", graph.getNodes().filter(NewArrayNode.class).isEmpty());
        ControlFlowGraph cfg = ControlFlowGraph.compute(graph, true, true, false, false);
        double probabilitySum = 0;
        int materializeCount = 0;
        for (CommitAllocationNode materialize : graph.getNodes().filter(CommitAllocationNode.class)) {
            probabilitySum += cfg.blockFor(materialize).probability() * materialize.getVirtualObjects().size();
            materializeCount += materialize.getVirtualObjects().size();
        }
        Assert.assertEquals("unexpected number of MaterializeObjectNodes", expectedCount, materializeCount);
        Assert.assertEquals("unexpected probability of MaterializeObjectNodes", expectedProbability, probabilitySum, 0.01);
        for (Node node : graph.getNodes()) {
            for (Class<? extends Node> clazz : invalidNodeClasses) {
                Assert.assertFalse("instance of invalid class: " + clazz.getSimpleName(), clazz.isInstance(node) && node.usages().isNotEmpty());
            }
        }
    } catch (AssertionError e) {
        TypeSystemTest.outputGraph(graph, snippet + ": " + e.getMessage());
        throw e;
    }
}

Example 7 with NewArrayNode

use of org.graalvm.compiler.nodes.java.NewArrayNode 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());
}