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package org.graalvm.compiler.replacements.test;

import org.graalvm.compiler.core.phases.HighTier;
import org.graalvm.compiler.core.test.GraalCompilerTest;
import org.graalvm.compiler.nodes.StructuredGraph;
import org.graalvm.compiler.nodes.StructuredGraph.Builder;
import org.graalvm.compiler.nodes.ValueNode;
import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext;
import org.graalvm.compiler.nodes.graphbuilderconf.InlineInvokePlugin.InlineInfo;
import org.graalvm.compiler.nodes.java.ExceptionObjectNode;
import org.graalvm.compiler.options.OptionValues;
import org.graalvm.compiler.phases.PhaseSuite;
import org.graalvm.compiler.phases.tiers.HighTierContext;
import org.graalvm.compiler.phases.tiers.Suites;
import org.junit.Assert;
import org.junit.Test;

import jdk.vm.ci.meta.ResolvedJavaMethod;

Tests compilation of a hot exception handler.
/** * Tests compilation of a hot exception handler. */
public class CompiledExceptionHandlerTest extends GraalCompilerTest { @Override @SuppressWarnings("try") protected Suites createSuites(OptionValues options) { return super.createSuites(new OptionValues(options, HighTier.Options.Inline, false)); } @Override protected InlineInfo bytecodeParserShouldInlineInvoke(GraphBuilderContext b, ResolvedJavaMethod method, ValueNode[] args) { /* * We don't care whether other invokes are inlined or not, but we definitely don't want * another explicit exception handler in the graph. */ return InlineInfo.DO_NOT_INLINE_NO_EXCEPTION; } @Override protected StructuredGraph parse(Builder builder, PhaseSuite<HighTierContext> graphBuilderSuite) { StructuredGraph graph = super.parse(builder, graphBuilderSuite); int handlers = graph.getNodes().filter(ExceptionObjectNode.class).count(); Assert.assertEquals(1, handlers); return graph; } @BytecodeParserNeverInline(invokeWithException = true) private static void raiseExceptionSimple(String s) { throw new RuntimeException("Raising exception with message \"" + s + "\""); } @Test public void test1() { test("test1Snippet", "a string"); test("test1Snippet", (String) null); } public static String test1Snippet(String message) { if (message != null) { try { raiseExceptionSimple(message); } catch (Exception e) { return message + e.getMessage(); } } return null; } @BytecodeParserNeverInline(invokeWithException = true) private static void raiseException(String m1, String m2, String m3, String m4, String m5) { throw new RuntimeException(m1 + m2 + m3 + m4 + m5); } @Test public void test2() { test("test2Snippet", "m1", "m2", "m3", "m4", "m5"); test("test2Snippet", null, "m2", "m3", "m4", "m5"); } public static String test2Snippet(String m1, String m2, String m3, String m4, String m5) { if (m1 != null) { try { raiseException(m1, m2, m3, m4, m5); } catch (Exception e) { return m5 + m4 + m3 + m2 + m1; } } return m4 + m3; } }