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/*
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* Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package org.graalvm.compiler.microbenchmarks.lir;
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import static org.graalvm.compiler.microbenchmarks.graal.util.GraalUtil.getGraph;
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import static org.graalvm.compiler.microbenchmarks.graal.util.GraalUtil.getMethodFromMethodSpec;
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import java.lang.annotation.Annotation;
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import java.lang.annotation.ElementType;
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import java.lang.annotation.Inherited;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import org.graalvm.compiler.api.replacements.SnippetReflectionProvider;
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import org.graalvm.compiler.api.test.Graal;
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import org.graalvm.compiler.code.CompilationResult;
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import org.graalvm.compiler.core.GraalCompiler;
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import org.graalvm.compiler.core.GraalCompiler.Request;
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import org.graalvm.compiler.core.LIRGenerationPhase;
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import org.graalvm.compiler.core.LIRGenerationPhase.LIRGenerationContext;
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import org.graalvm.compiler.core.common.CompilationIdentifier;
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import org.graalvm.compiler.core.common.alloc.ComputeBlockOrder;
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import org.graalvm.compiler.core.common.alloc.RegisterAllocationConfig;
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import org.graalvm.compiler.core.common.cfg.AbstractBlockBase;
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import org.graalvm.compiler.core.gen.LIRCompilerBackend;
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import org.graalvm.compiler.core.gen.LIRGenerationProvider;
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import org.graalvm.compiler.core.target.Backend;
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import org.graalvm.compiler.debug.DebugContext;
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import org.graalvm.compiler.debug.DebugHandlersFactory;
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import org.graalvm.compiler.lir.LIR;
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import org.graalvm.compiler.lir.asm.CompilationResultBuilderFactory;
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import org.graalvm.compiler.lir.gen.LIRGenerationResult;
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import org.graalvm.compiler.lir.gen.LIRGeneratorTool;
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import org.graalvm.compiler.lir.phases.AllocationPhase.AllocationContext;
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import org.graalvm.compiler.lir.phases.LIRPhase;
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import org.graalvm.compiler.lir.phases.LIRSuites;
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import org.graalvm.compiler.lir.phases.PostAllocationOptimizationPhase.PostAllocationOptimizationContext;
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import org.graalvm.compiler.lir.phases.PreAllocationOptimizationPhase.PreAllocationOptimizationContext;
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import org.graalvm.compiler.microbenchmarks.graal.util.GraalState;
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import org.graalvm.compiler.microbenchmarks.graal.util.GraalUtil;
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import org.graalvm.compiler.microbenchmarks.graal.util.MethodSpec;
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import org.graalvm.compiler.nodes.StructuredGraph;
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import org.graalvm.compiler.nodes.StructuredGraph.ScheduleResult;
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import org.graalvm.compiler.nodes.cfg.Block;
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import org.graalvm.compiler.nodes.cfg.ControlFlowGraph;
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import org.graalvm.compiler.nodes.spi.LoweringProvider;
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import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
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import org.graalvm.compiler.options.OptionValues;
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import org.graalvm.compiler.phases.OptimisticOptimizations;
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import org.graalvm.compiler.phases.PhaseSuite;
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import org.graalvm.compiler.phases.tiers.HighTierContext;
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import org.graalvm.compiler.phases.tiers.Suites;
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import org.graalvm.compiler.phases.tiers.TargetProvider;
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import org.graalvm.compiler.phases.util.Providers;
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import org.graalvm.compiler.runtime.RuntimeProvider;
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import org.openjdk.jmh.annotations.Level;
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import org.openjdk.jmh.annotations.Param;
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import org.openjdk.jmh.annotations.Scope;
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import org.openjdk.jmh.annotations.Setup;
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import org.openjdk.jmh.annotations.State;
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import jdk.vm.ci.code.CodeCacheProvider;
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import jdk.vm.ci.code.RegisterConfig;
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import jdk.vm.ci.code.TargetDescription;
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import jdk.vm.ci.meta.ConstantReflectionProvider;
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import jdk.vm.ci.meta.MetaAccessProvider;
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import jdk.vm.ci.meta.ResolvedJavaMethod;
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import jdk.vm.ci.meta.SpeculationLog;
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/**
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* State providing a new copy of a graph for each invocation of a benchmark. Subclasses of this
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* class are annotated with {@link MethodSpec} to specify the Java method that will be parsed to
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* obtain the original graph.
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*/
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@State(Scope.Thread)
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public abstract class GraalCompilerState {
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/**
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* Original graph from which the per-benchmark invocation {@link #graph} is cloned.
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*/
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private StructuredGraph originalGraph;
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/**
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* The graph processed by the benchmark.
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*/
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private final OptionValues options;
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private final DebugContext debug;
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private StructuredGraph graph;
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private final Backend backend;
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private final Providers providers;
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/**
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* We only allow inner classes to subclass this to ensure that the {@link Setup} methods are
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* executed in the right order.
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*/
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@SuppressWarnings("try")
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protected GraalCompilerState() {
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this.options = Graal.getRequiredCapability(OptionValues.class);
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this.backend = Graal.getRequiredCapability(RuntimeProvider.class).getHostBackend();
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this.providers = backend.getProviders();
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this.debug = DebugContext.create(options, DebugHandlersFactory.LOADER);
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}
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protected boolean useProfilingInfo() {
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return false;
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}
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@SuppressWarnings("try")
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protected void initializeMethod() {
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GraalState graal = new GraalState();
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ResolvedJavaMethod method = graal.metaAccess.lookupJavaMethod(getMethod());
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StructuredGraph structuredGraph = null;
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try (DebugContext.Scope s = debug.scope("GraphState", method)) {
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structuredGraph = preprocessOriginal(getGraph(graal, method, useProfilingInfo()));
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} catch (Throwable t) {
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debug.handle(t);
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}
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this.originalGraph = structuredGraph;
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}
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protected Method getMethod() {
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Class<?> c = getClass();
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if (isMethodSpecAnnotationPresent(c)) {
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return getMethodFromMethodSpec(c);
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}
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return findParamField(this);
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}
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protected boolean isMethodSpecAnnotationPresent(Class<?> startClass) {
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Class<?> c = startClass;
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while (c != null) {
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if (c.isAnnotationPresent(MethodSpec.class)) {
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return true;
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}
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c = c.getSuperclass();
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}
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return false;
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}
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/**
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* Declares {@link GraalCompilerState#getMethodFromString(String) method description field}. The
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* field must be a {@link String} and have a {@link Param} annotation.
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*/
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@Inherited
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@Target({ElementType.FIELD})
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@Retention(RetentionPolicy.RUNTIME)
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public @interface MethodDescString {
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}
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private static Method findParamField(Object obj) {
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Class<?> c = obj.getClass();
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Class<? extends Annotation> annotationClass = MethodDescString.class;
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try {
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for (Field f : c.getFields()) {
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if (f.isAnnotationPresent(annotationClass)) {
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// these checks could be done by an annotation processor
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if (!f.getType().equals(String.class)) {
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throw new RuntimeException("Found a field annotated with " + annotationClass.getSimpleName() + " in " + c + " which is not a " + String.class.getSimpleName());
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}
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if (!f.isAnnotationPresent(Param.class)) {
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throw new RuntimeException("Found a field annotated with " + annotationClass.getSimpleName() + " in " + c + " which is not annotated with " + Param.class.getSimpleName());
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}
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String methodName;
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methodName = (String) f.get(obj);
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assert methodName != null;
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return getMethodFromString(methodName);
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}
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}
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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throw new RuntimeException("Could not find class annotated with " + annotationClass.getSimpleName() + " in hierarchy of " + c);
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}
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/**
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* Gets a {@link Method} from a method description string. The format is as follows:
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*
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* <pre>
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* ClassName#MethodName
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* ClassName#MethodName(ClassName, ClassName, ...)
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* </pre>
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*
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* <code>CodeName</code> is passed to {@link Class#forName(String)}. <br>
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* <b>Examples:</b>
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*
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* <pre>
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* java.lang.String#equals
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* java.lang.String#equals(java.lang.Object)
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* </pre>
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*/
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protected static Method getMethodFromString(String methodDesc) {
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try {
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String[] s0 = methodDesc.split("#", 2);
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if (s0.length != 2) {
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throw new RuntimeException("Missing method description? " + methodDesc);
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}
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String className = s0[0];
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Class<?> clazz = Class.forName(className);
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String[] s1 = s0[1].split("\\(", 2);
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String name = s1[0];
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Class<?>[] parameters = null;
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if (s1.length > 1) {
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String parametersPart = s1[1];
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if (parametersPart.charAt(parametersPart.length() - 1) != ')') {
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throw new RuntimeException("Missing closing ')'? " + methodDesc);
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}
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String[] s2 = parametersPart.substring(0, parametersPart.length() - 1).split(",");
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parameters = new Class<?>[s2.length];
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for (int i = 0; i < s2.length; i++) {
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parameters[i] = Class.forName(s2[i]);
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}
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}
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return GraalUtil.getMethod(clazz, name, parameters);
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} catch (ClassNotFoundException e) {
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throw new RuntimeException(e);
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}
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}
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protected StructuredGraph preprocessOriginal(StructuredGraph structuredGraph) {
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return structuredGraph;
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}
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protected OptionValues getOptions() {
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return options;
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}
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protected Suites createSuites(OptionValues opts) {
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return backend.getSuites().getDefaultSuites(opts).copy();
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}
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protected LIRSuites createLIRSuites(OptionValues opts) {
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return backend.getSuites().getDefaultLIRSuites(opts).copy();
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}
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protected Backend getBackend() {
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return backend;
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}
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protected Providers getProviders() {
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return providers;
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}
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protected SnippetReflectionProvider getSnippetReflection() {
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return Graal.getRequiredCapability(SnippetReflectionProvider.class);
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}
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protected TargetDescription getTarget() {
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return getTargetProvider().getTarget();
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}
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protected TargetProvider getTargetProvider() {
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return getBackend();
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}
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protected CodeCacheProvider getCodeCache() {
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return getProviders().getCodeCache();
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}
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protected ConstantReflectionProvider getConstantReflection() {
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return getProviders().getConstantReflection();
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}
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protected MetaAccessProvider getMetaAccess() {
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return getProviders().getMetaAccess();
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}
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protected LoweringProvider getLowerer() {
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return getProviders().getLowerer();
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}
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protected PhaseSuite<HighTierContext> getDefaultGraphBuilderSuite() {
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// defensive copying
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return backend.getSuites().getDefaultGraphBuilderSuite().copy();
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}
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protected LIRSuites getLIRSuites() {
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return request.lirSuites;
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}
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private Request<CompilationResult> request;
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private LIRGenerationResult lirGenRes;
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private LIRGeneratorTool lirGenTool;
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private NodeLIRBuilderTool nodeLirGen;
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private RegisterConfig registerConfig;
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private ScheduleResult schedule;
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private AbstractBlockBase<?>[] codeEmittingOrder;
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private AbstractBlockBase<?>[] linearScanOrder;
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/**
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* Copies the {@link #originalGraph original graph} and prepares the {@link #request}.
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*
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* The {@link Suites} can be changed by overriding {@link #createSuites}. {@link LIRSuites} can
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* be changed by overriding {@link #createLIRSuites}.
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*/
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protected final void prepareRequest() {
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assert originalGraph != null : "call initialzeMethod first";
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CompilationIdentifier compilationId = backend.getCompilationIdentifier(originalGraph.method());
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graph = originalGraph.copyWithIdentifier(compilationId, originalGraph.getDebug());
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assert !graph.isFrozen();
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ResolvedJavaMethod installedCodeOwner = graph.method();
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request = new Request<>(graph, installedCodeOwner, getProviders(), getBackend(), getDefaultGraphBuilderSuite(), OptimisticOptimizations.ALL,
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graph.getProfilingInfo(), createSuites(getOptions()), createLIRSuites(getOptions()), new CompilationResult(graph.compilationId()), CompilationResultBuilderFactory.Default,
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true);
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}
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/**
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* Executes the high-level (FrontEnd) part of the compiler.
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*/
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protected final void emitFrontEnd() {
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GraalCompiler.emitFrontEnd(request.providers, request.backend, request.graph, request.graphBuilderSuite, request.optimisticOpts, request.profilingInfo, request.suites);
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request.graph.freeze();
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}
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/**
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* Executes the low-level (BackEnd) part of the compiler.
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*/
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protected final void emitBackEnd() {
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emitLIR();
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emitCode();
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}
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/**
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* Generates {@link LIR} and executes the {@link LIR} pipeline.
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*/
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protected final void emitLIR() {
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generateLIR();
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emitLowLevel();
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}
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/**
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* Generates the initial {@link LIR}.
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*/
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protected final void generateLIR() {
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preLIRGeneration();
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lirGeneration();
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}
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/**
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* Sets up {@link LIR} generation.
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*/
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protected final void preLIRGeneration() {
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assert request.graph.isFrozen() : "Graph not frozen.";
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Object stub = null;
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schedule = request.graph.getLastSchedule();
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ControlFlowGraph cfg = deepCopy(schedule.getCFG());
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Block[] blocks = cfg.getBlocks();
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Block startBlock = cfg.getStartBlock();
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assert startBlock != null;
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assert startBlock.getPredecessorCount() == 0;
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codeEmittingOrder = ComputeBlockOrder.computeCodeEmittingOrder(blocks.length, startBlock);
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linearScanOrder = ComputeBlockOrder.computeLinearScanOrder(blocks.length, startBlock);
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LIR lir = new LIR(cfg, linearScanOrder, codeEmittingOrder, getGraphOptions(), getGraphDebug());
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LIRGenerationProvider lirBackend = (LIRGenerationProvider) request.backend;
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RegisterAllocationConfig registerAllocationConfig = request.backend.newRegisterAllocationConfig(registerConfig, null);
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|
382 |
lirGenRes = lirBackend.newLIRGenerationResult(graph.compilationId(), lir, registerAllocationConfig, request.graph, stub);
|
54084
|
383 |
lirGenTool = lirBackend.newLIRGenerator(lirGenRes);
|
|
384 |
nodeLirGen = lirBackend.newNodeLIRBuilder(request.graph, lirGenTool);
|
43972
|
385 |
}
|
|
386 |
|
46371
|
387 |
protected OptionValues getGraphOptions() {
|
|
388 |
return graph.getOptions();
|
|
389 |
}
|
|
390 |
|
46640
|
391 |
protected DebugContext getGraphDebug() {
|
|
392 |
return graph.getDebug();
|
|
393 |
}
|
|
394 |
|
43972
|
395 |
private static ControlFlowGraph deepCopy(ControlFlowGraph cfg) {
|
|
396 |
return ControlFlowGraph.compute(cfg.graph, true, true, true, true);
|
|
397 |
}
|
|
398 |
|
|
399 |
/**
|
|
400 |
* Executes the {@link LIRGenerationPhase}.
|
|
401 |
*/
|
|
402 |
protected final void lirGeneration() {
|
|
403 |
LIRGenerationContext context = new LIRGenerationContext(lirGenTool, nodeLirGen, request.graph, schedule);
|
|
404 |
new LIRGenerationPhase().apply(request.backend.getTarget(), lirGenRes, context);
|
|
405 |
}
|
|
406 |
|
|
407 |
/**
|
|
408 |
* Executes the low-level compiler stages.
|
|
409 |
*/
|
|
410 |
protected final void emitLowLevel() {
|
|
411 |
preAllocationStage();
|
|
412 |
allocationStage();
|
|
413 |
postAllocationStage();
|
|
414 |
}
|
|
415 |
|
|
416 |
/**
|
|
417 |
* Executes a {@link LIRPhase} within a given {@code context}.
|
|
418 |
*/
|
|
419 |
protected <C> void applyLIRPhase(LIRPhase<C> phase, C context) {
|
|
420 |
phase.apply(request.backend.getTarget(), lirGenRes, context);
|
|
421 |
}
|
|
422 |
|
|
423 |
/**
|
|
424 |
* Executes the {@link PreAllocationStage}.
|
|
425 |
*
|
46344
|
426 |
* {@link LIRPhase phases} can be changed by overriding {@link #createLIRSuites}.
|
43972
|
427 |
*/
|
|
428 |
protected final void preAllocationStage() {
|
|
429 |
applyLIRPhase(getLIRSuites().getPreAllocationOptimizationStage(), createPreAllocationOptimizationContext());
|
|
430 |
}
|
|
431 |
|
|
432 |
protected PreAllocationOptimizationContext createPreAllocationOptimizationContext() {
|
|
433 |
return new PreAllocationOptimizationContext(lirGenTool);
|
|
434 |
}
|
|
435 |
|
|
436 |
/**
|
|
437 |
* Executes the {@link AllocationStage}.
|
|
438 |
*
|
46344
|
439 |
* {@link LIRPhase phases} can be changed by overriding {@link #createLIRSuites}.
|
43972
|
440 |
*/
|
|
441 |
protected final void allocationStage() {
|
|
442 |
applyLIRPhase(getLIRSuites().getAllocationStage(), createAllocationContext());
|
|
443 |
}
|
|
444 |
|
|
445 |
protected AllocationContext createAllocationContext() {
|
58299
|
446 |
return new AllocationContext(lirGenTool.getSpillMoveFactory(), lirGenRes.getRegisterAllocationConfig());
|
43972
|
447 |
}
|
|
448 |
|
|
449 |
/**
|
|
450 |
* Executes the {@link PostAllocationStage}.
|
|
451 |
*
|
46344
|
452 |
* {@link LIRPhase phases} can be changed by overriding {@link #createLIRSuites}.
|
43972
|
453 |
*/
|
|
454 |
protected final void postAllocationStage() {
|
|
455 |
applyLIRPhase(getLIRSuites().getPostAllocationOptimizationStage(), createPostAllocationOptimizationContext());
|
|
456 |
}
|
|
457 |
|
|
458 |
protected PostAllocationOptimizationContext createPostAllocationOptimizationContext() {
|
|
459 |
return new PostAllocationOptimizationContext(lirGenTool);
|
|
460 |
}
|
|
461 |
|
|
462 |
/**
|
|
463 |
* Emits the machine code.
|
|
464 |
*/
|
|
465 |
protected final void emitCode() {
|
|
466 |
int bytecodeSize = request.graph.method() == null ? 0 : request.graph.getBytecodeSize();
|
54084
|
467 |
SpeculationLog speculationLog = null;
|
43972
|
468 |
request.compilationResult.setHasUnsafeAccess(request.graph.hasUnsafeAccess());
|
54084
|
469 |
LIRCompilerBackend.emitCode(request.backend, request.graph.getAssumptions(), request.graph.method(), request.graph.getMethods(), request.graph.getFields(),
|
|
470 |
speculationLog, bytecodeSize, lirGenRes,
|
43972
|
471 |
request.compilationResult, request.installedCodeOwner, request.factory);
|
|
472 |
}
|
|
473 |
|
|
474 |
protected StructuredGraph graph() {
|
|
475 |
return graph;
|
|
476 |
}
|
|
477 |
|
|
478 |
protected LIR getLIR() {
|
|
479 |
return lirGenRes.getLIR();
|
|
480 |
}
|
|
481 |
|
|
482 |
public abstract static class Compile extends GraalCompilerState {
|
|
483 |
|
|
484 |
@Setup(Level.Trial)
|
|
485 |
public void init() {
|
|
486 |
initializeMethod();
|
|
487 |
}
|
|
488 |
|
|
489 |
@Setup(Level.Invocation)
|
|
490 |
public void setup() {
|
|
491 |
prepareRequest();
|
|
492 |
}
|
|
493 |
|
|
494 |
public CompilationResult compile() {
|
|
495 |
emitFrontEnd();
|
|
496 |
emitBackEnd();
|
|
497 |
return super.request.compilationResult;
|
|
498 |
}
|
|
499 |
|
|
500 |
}
|
|
501 |
|
|
502 |
public abstract static class FrontEndOnly extends GraalCompilerState {
|
|
503 |
|
|
504 |
@Setup(Level.Trial)
|
|
505 |
public void init() {
|
|
506 |
initializeMethod();
|
|
507 |
}
|
|
508 |
|
|
509 |
@Setup(Level.Invocation)
|
|
510 |
public void setup() {
|
|
511 |
prepareRequest();
|
|
512 |
}
|
|
513 |
|
|
514 |
public StructuredGraph compile() {
|
|
515 |
emitFrontEnd();
|
|
516 |
return super.graph;
|
|
517 |
}
|
|
518 |
|
|
519 |
}
|
|
520 |
|
|
521 |
public abstract static class BackEndOnly extends GraalCompilerState {
|
|
522 |
|
|
523 |
@Setup(Level.Trial)
|
|
524 |
public void init() {
|
|
525 |
initializeMethod();
|
|
526 |
}
|
|
527 |
|
|
528 |
/**
|
|
529 |
* Cannot do this {@link Level#Trial only once} since {@link #emitCode()} closes the
|
|
530 |
* {@link CompilationResult}.
|
|
531 |
*/
|
|
532 |
@Setup(Level.Invocation)
|
|
533 |
public void setupGraph() {
|
|
534 |
prepareRequest();
|
|
535 |
emitFrontEnd();
|
|
536 |
}
|
|
537 |
|
|
538 |
public CompilationResult compile() {
|
|
539 |
emitBackEnd();
|
|
540 |
return super.request.compilationResult;
|
|
541 |
}
|
|
542 |
}
|
|
543 |
|
|
544 |
public abstract static class PreAllocationStage extends GraalCompilerState {
|
|
545 |
/**
|
|
546 |
* No need to rebuild the graph for every invocation since it is not altered by the backend.
|
|
547 |
*/
|
|
548 |
@Setup(Level.Trial)
|
|
549 |
public void setupGraph() {
|
|
550 |
initializeMethod();
|
|
551 |
prepareRequest();
|
|
552 |
emitFrontEnd();
|
|
553 |
}
|
|
554 |
|
|
555 |
@Setup(Level.Invocation)
|
|
556 |
public void setup() {
|
|
557 |
generateLIR();
|
|
558 |
}
|
|
559 |
|
|
560 |
public LIRGenerationResult compile() {
|
|
561 |
preAllocationStage();
|
|
562 |
return super.lirGenRes;
|
|
563 |
}
|
|
564 |
}
|
|
565 |
|
|
566 |
public abstract static class AllocationStage extends GraalCompilerState {
|
|
567 |
/**
|
|
568 |
* No need to rebuild the graph for every invocation since it is not altered by the backend.
|
|
569 |
*/
|
|
570 |
@Setup(Level.Trial)
|
|
571 |
public void setupGraph() {
|
|
572 |
initializeMethod();
|
|
573 |
prepareRequest();
|
|
574 |
emitFrontEnd();
|
|
575 |
}
|
|
576 |
|
|
577 |
@Setup(Level.Invocation)
|
|
578 |
public void setup() {
|
|
579 |
generateLIR();
|
|
580 |
preAllocationStage();
|
|
581 |
}
|
|
582 |
|
|
583 |
public LIRGenerationResult compile() {
|
|
584 |
allocationStage();
|
|
585 |
return super.lirGenRes;
|
|
586 |
}
|
|
587 |
}
|
|
588 |
|
|
589 |
public abstract static class PostAllocationStage extends GraalCompilerState {
|
|
590 |
/**
|
|
591 |
* No need to rebuild the graph for every invocation since it is not altered by the backend.
|
|
592 |
*/
|
|
593 |
@Setup(Level.Trial)
|
|
594 |
public void setupGraph() {
|
|
595 |
initializeMethod();
|
|
596 |
prepareRequest();
|
|
597 |
emitFrontEnd();
|
|
598 |
}
|
|
599 |
|
|
600 |
@Setup(Level.Invocation)
|
|
601 |
public void setup() {
|
|
602 |
generateLIR();
|
|
603 |
preAllocationStage();
|
|
604 |
allocationStage();
|
|
605 |
}
|
|
606 |
|
|
607 |
public LIRGenerationResult compile() {
|
|
608 |
postAllocationStage();
|
|
609 |
return super.lirGenRes;
|
|
610 |
}
|
|
611 |
}
|
|
612 |
}
|