--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/HotSpotGraalCompiler.java Thu Feb 16 15:46:09 2017 -0800
@@ -0,0 +1,286 @@
+/*
+ * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package org.graalvm.compiler.hotspot;
+
+import static org.graalvm.compiler.core.common.GraalOptions.OptAssumptions;
+import static org.graalvm.compiler.nodes.StructuredGraph.NO_PROFILING_INFO;
+import static org.graalvm.compiler.nodes.graphbuilderconf.IntrinsicContext.CompilationContext.ROOT_COMPILATION;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.util.Formattable;
+import java.util.Formatter;
+
+import org.graalvm.compiler.api.runtime.GraalJVMCICompiler;
+import org.graalvm.compiler.code.CompilationResult;
+import org.graalvm.compiler.core.GraalCompiler;
+import org.graalvm.compiler.core.common.CompilationIdentifier;
+import org.graalvm.compiler.core.common.util.CompilationAlarm;
+import org.graalvm.compiler.debug.Debug;
+import org.graalvm.compiler.debug.DebugConfigScope;
+import org.graalvm.compiler.debug.DebugEnvironment;
+import org.graalvm.compiler.debug.GraalDebugConfig;
+import org.graalvm.compiler.debug.TTY;
+import org.graalvm.compiler.debug.TopLevelDebugConfig;
+import org.graalvm.compiler.debug.internal.DebugScope;
+import org.graalvm.compiler.debug.internal.method.MethodMetricsRootScopeInfo;
+import org.graalvm.compiler.hotspot.CompilationCounters.Options;
+import org.graalvm.compiler.hotspot.meta.HotSpotProviders;
+import org.graalvm.compiler.hotspot.phases.OnStackReplacementPhase;
+import org.graalvm.compiler.java.GraphBuilderPhase;
+import org.graalvm.compiler.lir.asm.CompilationResultBuilderFactory;
+import org.graalvm.compiler.lir.phases.LIRSuites;
+import org.graalvm.compiler.nodes.StructuredGraph;
+import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
+import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration;
+import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration.Plugins;
+import org.graalvm.compiler.nodes.graphbuilderconf.IntrinsicContext;
+import org.graalvm.compiler.nodes.spi.Replacements;
+import org.graalvm.compiler.phases.OptimisticOptimizations;
+import org.graalvm.compiler.phases.OptimisticOptimizations.Optimization;
+import org.graalvm.compiler.phases.PhaseSuite;
+import org.graalvm.compiler.phases.tiers.HighTierContext;
+import org.graalvm.compiler.phases.tiers.Suites;
+
+import jdk.vm.ci.code.CompilationRequest;
+import jdk.vm.ci.code.CompilationRequestResult;
+import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider;
+import jdk.vm.ci.hotspot.HotSpotCompilationRequest;
+import jdk.vm.ci.hotspot.HotSpotCompilationRequestResult;
+import jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider;
+import jdk.vm.ci.meta.DefaultProfilingInfo;
+import jdk.vm.ci.meta.JavaMethod;
+import jdk.vm.ci.meta.ProfilingInfo;
+import jdk.vm.ci.meta.ResolvedJavaMethod;
+import jdk.vm.ci.meta.SpeculationLog;
+import jdk.vm.ci.meta.TriState;
+import jdk.vm.ci.runtime.JVMCICompiler;
+
+public class HotSpotGraalCompiler implements GraalJVMCICompiler {
+
+ private final HotSpotJVMCIRuntimeProvider jvmciRuntime;
+ private final HotSpotGraalRuntimeProvider graalRuntime;
+ private final CompilationCounters compilationCounters;
+ private final BootstrapWatchDog bootstrapWatchDog;
+
+ HotSpotGraalCompiler(HotSpotJVMCIRuntimeProvider jvmciRuntime, HotSpotGraalRuntimeProvider graalRuntime) {
+ this.jvmciRuntime = jvmciRuntime;
+ this.graalRuntime = graalRuntime;
+ // It is sufficient to have one compilation counter object per Graal compiler object.
+ this.compilationCounters = Options.CompilationCountLimit.getValue() > 0 ? new CompilationCounters() : null;
+ this.bootstrapWatchDog = graalRuntime.isBootstrapping() && !GraalDebugConfig.Options.BootstrapInitializeOnly.getValue() ? BootstrapWatchDog.maybeCreate(graalRuntime) : null;
+ }
+
+ @Override
+ public HotSpotGraalRuntimeProvider getGraalRuntime() {
+ return graalRuntime;
+ }
+
+ @Override
+ @SuppressWarnings("try")
+ public CompilationRequestResult compileMethod(CompilationRequest request) {
+ if (graalRuntime.isBootstrapping() && GraalDebugConfig.Options.BootstrapInitializeOnly.getValue()) {
+ return HotSpotCompilationRequestResult.failure(String.format("Skip compilation because %s is enabled", GraalDebugConfig.Options.BootstrapInitializeOnly.getName()), true);
+ }
+ if (bootstrapWatchDog != null && graalRuntime.isBootstrapping()) {
+ if (bootstrapWatchDog.hitCriticalCompilationRateOrTimeout()) {
+ // Drain the compilation queue to expedite completion of the bootstrap
+ return HotSpotCompilationRequestResult.failure("hit critical bootstrap compilation rate or timeout", true);
+ }
+ }
+ ResolvedJavaMethod method = request.getMethod();
+ HotSpotCompilationRequest hsRequest = (HotSpotCompilationRequest) request;
+ try (CompilationWatchDog w1 = CompilationWatchDog.watch(method, hsRequest.getId());
+ BootstrapWatchDog.Watch w2 = bootstrapWatchDog == null ? null : bootstrapWatchDog.watch(request);
+ CompilationAlarm alarm = CompilationAlarm.trackCompilationPeriod();) {
+ if (compilationCounters != null) {
+ compilationCounters.countCompilation(method);
+ }
+ // Ensure a debug configuration for this thread is initialized
+ if (Debug.isEnabled() && DebugScope.getConfig() == null) {
+ DebugEnvironment.initialize(TTY.out, graalRuntime.getHostProviders().getSnippetReflection());
+ }
+ CompilationTask task = new CompilationTask(jvmciRuntime, this, hsRequest, true, true);
+ CompilationRequestResult r = null;
+ try (DebugConfigScope dcs = Debug.setConfig(new TopLevelDebugConfig());
+ Debug.Scope s = Debug.methodMetricsScope("HotSpotGraalCompiler", MethodMetricsRootScopeInfo.create(method), true, method)) {
+ r = task.runCompilation();
+ }
+ assert r != null;
+ return r;
+ }
+ }
+
+ public void compileTheWorld() throws Throwable {
+ HotSpotCodeCacheProvider codeCache = (HotSpotCodeCacheProvider) jvmciRuntime.getHostJVMCIBackend().getCodeCache();
+ int iterations = CompileTheWorldOptions.CompileTheWorldIterations.getValue();
+ for (int i = 0; i < iterations; i++) {
+ codeCache.resetCompilationStatistics();
+ TTY.println("CompileTheWorld : iteration " + i);
+ CompileTheWorld ctw = new CompileTheWorld(jvmciRuntime, this);
+ ctw.compile();
+ }
+ System.exit(0);
+ }
+
+ public CompilationResult compile(ResolvedJavaMethod method, int entryBCI, boolean useProfilingInfo, CompilationIdentifier compilationId) {
+ HotSpotBackend backend = graalRuntime.getHostBackend();
+ HotSpotProviders providers = backend.getProviders();
+ final boolean isOSR = entryBCI != JVMCICompiler.INVOCATION_ENTRY_BCI;
+ StructuredGraph graph = method.isNative() || isOSR ? null : getIntrinsicGraph(method, providers, compilationId);
+
+ if (graph == null) {
+ SpeculationLog speculationLog = method.getSpeculationLog();
+ if (speculationLog != null) {
+ speculationLog.collectFailedSpeculations();
+ }
+ graph = new StructuredGraph(method, entryBCI, AllowAssumptions.from(OptAssumptions.getValue()), speculationLog, useProfilingInfo, compilationId);
+ }
+
+ Suites suites = getSuites(providers);
+ LIRSuites lirSuites = getLIRSuites(providers);
+ ProfilingInfo profilingInfo = useProfilingInfo ? method.getProfilingInfo(!isOSR, isOSR) : DefaultProfilingInfo.get(TriState.FALSE);
+ OptimisticOptimizations optimisticOpts = getOptimisticOpts(profilingInfo);
+ if (isOSR) {
+ // In OSR compiles, we cannot rely on never executed code profiles, because
+ // all code after the OSR loop is never executed.
+ optimisticOpts.remove(Optimization.RemoveNeverExecutedCode);
+ }
+ CompilationResult result = new CompilationResult();
+ result.setEntryBCI(entryBCI);
+ boolean shouldDebugNonSafepoints = providers.getCodeCache().shouldDebugNonSafepoints();
+ PhaseSuite<HighTierContext> graphBuilderSuite = configGraphBuilderSuite(providers.getSuites().getDefaultGraphBuilderSuite(), shouldDebugNonSafepoints, isOSR);
+ GraalCompiler.compileGraph(graph, method, providers, backend, graphBuilderSuite, optimisticOpts, profilingInfo, suites, lirSuites, result, CompilationResultBuilderFactory.Default);
+
+ if (!isOSR && useProfilingInfo) {
+ ProfilingInfo profile = profilingInfo;
+ profile.setCompilerIRSize(StructuredGraph.class, graph.getNodeCount());
+ }
+
+ return result;
+ }
+
+ /**
+ * Gets a graph produced from the intrinsic for a given method that can be compiled and
+ * installed for the method.
+ *
+ * @param method
+ * @param compilationId
+ * @return an intrinsic graph that can be compiled and installed for {@code method} or null
+ */
+ @SuppressWarnings("try")
+ public StructuredGraph getIntrinsicGraph(ResolvedJavaMethod method, HotSpotProviders providers, CompilationIdentifier compilationId) {
+ Replacements replacements = providers.getReplacements();
+ ResolvedJavaMethod substMethod = replacements.getSubstitutionMethod(method);
+ if (substMethod != null) {
+ assert !substMethod.equals(method);
+ StructuredGraph graph = new StructuredGraph(substMethod, AllowAssumptions.YES, NO_PROFILING_INFO, compilationId);
+ try (Debug.Scope scope = Debug.scope("GetIntrinsicGraph", graph)) {
+ Plugins plugins = new Plugins(providers.getGraphBuilderPlugins());
+ GraphBuilderConfiguration config = GraphBuilderConfiguration.getSnippetDefault(plugins);
+ IntrinsicContext initialReplacementContext = new IntrinsicContext(method, substMethod, replacements.getReplacementBytecodeProvider(), ROOT_COMPILATION);
+ new GraphBuilderPhase.Instance(providers.getMetaAccess(), providers.getStampProvider(), providers.getConstantReflection(), providers.getConstantFieldProvider(), config,
+ OptimisticOptimizations.NONE, initialReplacementContext).apply(graph);
+ assert !graph.isFrozen();
+ return graph;
+ } catch (Throwable e) {
+ Debug.handle(e);
+ }
+ }
+ return null;
+ }
+
+ protected OptimisticOptimizations getOptimisticOpts(ProfilingInfo profilingInfo) {
+ return new OptimisticOptimizations(profilingInfo);
+ }
+
+ protected Suites getSuites(HotSpotProviders providers) {
+ return providers.getSuites().getDefaultSuites();
+ }
+
+ protected LIRSuites getLIRSuites(HotSpotProviders providers) {
+ return providers.getSuites().getDefaultLIRSuites();
+ }
+
+ /**
+ * Reconfigures a given graph builder suite (GBS) if one of the given GBS parameter values is
+ * not the default.
+ *
+ * @param suite the graph builder suite
+ * @param shouldDebugNonSafepoints specifies if extra debug info should be generated (default is
+ * false)
+ * @param isOSR specifies if extra OSR-specific post-processing is required (default is false)
+ * @return a new suite derived from {@code suite} if any of the GBS parameters did not have a
+ * default value otherwise {@code suite}
+ */
+ protected PhaseSuite<HighTierContext> configGraphBuilderSuite(PhaseSuite<HighTierContext> suite, boolean shouldDebugNonSafepoints, boolean isOSR) {
+ if (shouldDebugNonSafepoints || isOSR) {
+ PhaseSuite<HighTierContext> newGbs = suite.copy();
+
+ if (shouldDebugNonSafepoints) {
+ GraphBuilderPhase graphBuilderPhase = (GraphBuilderPhase) newGbs.findPhase(GraphBuilderPhase.class).previous();
+ GraphBuilderConfiguration graphBuilderConfig = graphBuilderPhase.getGraphBuilderConfig();
+ graphBuilderConfig = graphBuilderConfig.withNodeSourcePosition(true);
+ GraphBuilderPhase newGraphBuilderPhase = new GraphBuilderPhase(graphBuilderConfig);
+ newGbs.findPhase(GraphBuilderPhase.class).set(newGraphBuilderPhase);
+ }
+ if (isOSR) {
+ newGbs.appendPhase(new OnStackReplacementPhase());
+ }
+ return newGbs;
+ }
+ return suite;
+ }
+
+ /**
+ * Converts {@code method} to a String with {@link JavaMethod#format(String)} and the format
+ * string {@code "%H.%n(%p)"}.
+ */
+ static String str(JavaMethod method) {
+ return method.format("%H.%n(%p)");
+ }
+
+ /**
+ * Wraps {@code obj} in a {@link Formatter} that standardizes formatting for certain objects.
+ */
+ static Formattable fmt(Object obj) {
+ return new Formattable() {
+ @Override
+ public void formatTo(Formatter buf, int flags, int width, int precision) {
+ if (obj instanceof Throwable) {
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ ((Throwable) obj).printStackTrace(new PrintStream(baos));
+ buf.format("%s", baos.toString());
+ } else if (obj instanceof StackTraceElement[]) {
+ for (StackTraceElement e : (StackTraceElement[]) obj) {
+ buf.format("\t%s%n", e);
+ }
+ } else if (obj instanceof JavaMethod) {
+ buf.format("%s", str((JavaMethod) obj));
+ } else {
+ buf.format("%s", obj);
+ }
+ }
+ };
+ }
+}