Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/GraalCompiler.java @ 14809:73774616a6b3
Decoupled LIRGenerator and LIRGenerationResult.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Tue, 18 Mar 2014 13:49:11 +0100 |
parents | a8723f1ff542 |
children | fafbff0eeebf |
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/* * Copyright (c) 2009, 2012, 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 com.oracle.graal.compiler; import static com.oracle.graal.compiler.GraalCompiler.Options.*; import static com.oracle.graal.compiler.MethodFilter.*; import static com.oracle.graal.phases.GraalOptions.*; import java.util.*; import com.oracle.graal.alloc.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.code.CompilationResult.DataPatch; import com.oracle.graal.api.meta.*; import com.oracle.graal.api.meta.ProfilingInfo.TriState; import com.oracle.graal.compiler.alloc.*; import com.oracle.graal.compiler.gen.*; import com.oracle.graal.compiler.target.*; import com.oracle.graal.debug.*; import com.oracle.graal.debug.Debug.Scope; import com.oracle.graal.debug.internal.*; import com.oracle.graal.lir.*; import com.oracle.graal.lir.asm.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.cfg.*; import com.oracle.graal.nodes.util.*; import com.oracle.graal.options.*; import com.oracle.graal.phases.*; import com.oracle.graal.phases.common.*; import com.oracle.graal.phases.graph.*; import com.oracle.graal.phases.schedule.*; import com.oracle.graal.phases.tiers.*; import com.oracle.graal.phases.util.*; /** * Static methods for orchestrating the compilation of a {@linkplain StructuredGraph graph}. */ public class GraalCompiler { private static final DebugTimer FrontEnd = Debug.timer("FrontEnd"); private static final DebugTimer BackEnd = Debug.timer("BackEnd"); /** * The set of positive filters specified by the {@code -G:IntrinsificationsEnabled} option. To * enable a fast path in {@link #shouldIntrinsify(JavaMethod)}, this field is {@code null} when * no enabling/disabling filters are specified. */ private static final MethodFilter[] positiveIntrinsificationFilter; /** * The set of negative filters specified by the {@code -G:IntrinsificationsDisabled} option. */ private static final MethodFilter[] negativeIntrinsificationFilter; static class Options { // @formatter:off /** * @see MethodFilter */ @Option(help = "Pattern for method(s) to which intrinsification (if available) will be applied. " + "By default, all available intrinsifications are applied except for methods matched " + "by IntrinsificationsDisabled. See MethodFilter class for pattern syntax.") public static final OptionValue<String> IntrinsificationsEnabled = new OptionValue<>(null); /** * @see MethodFilter */ @Option(help = "Pattern for method(s) to which intrinsification will not be applied. " + "See MethodFilter class for pattern syntax.") public static final OptionValue<String> IntrinsificationsDisabled = new OptionValue<>(null); // @formatter:on } static { if (IntrinsificationsDisabled.getValue() != null) { negativeIntrinsificationFilter = parse(IntrinsificationsDisabled.getValue()); } else { negativeIntrinsificationFilter = null; } if (Options.IntrinsificationsEnabled.getValue() != null) { positiveIntrinsificationFilter = parse(IntrinsificationsEnabled.getValue()); } else if (negativeIntrinsificationFilter != null) { positiveIntrinsificationFilter = new MethodFilter[0]; } else { positiveIntrinsificationFilter = null; } } /** * Determines if a given method should be intrinsified based on the values of * {@link Options#IntrinsificationsEnabled} and {@link Options#IntrinsificationsDisabled}. */ public static boolean shouldIntrinsify(JavaMethod method) { if (positiveIntrinsificationFilter == null) { return true; } if (positiveIntrinsificationFilter.length == 0 || matches(positiveIntrinsificationFilter, method)) { return negativeIntrinsificationFilter == null || !matches(negativeIntrinsificationFilter, method); } return false; } /** * Requests compilation of a given graph. * * @param graph the graph to be compiled * @param cc the calling convention for calls to the code compiled for {@code graph} * @param installedCodeOwner the method the compiled code will be * {@linkplain InstalledCode#getMethod() associated} with once installed. This * argument can be null. * @return the result of the compilation */ public static <T extends CompilationResult> T compileGraph(StructuredGraph graph, Object stub, CallingConvention cc, ResolvedJavaMethod installedCodeOwner, Providers providers, Backend backend, TargetDescription target, Map<ResolvedJavaMethod, StructuredGraph> cache, PhaseSuite<HighTierContext> graphBuilderSuite, OptimisticOptimizations optimisticOpts, ProfilingInfo profilingInfo, SpeculationLog speculationLog, Suites suites, T compilationResult, CompilationResultBuilderFactory factory) { assert !graph.isFrozen(); try (Scope s0 = Debug.scope("GraalCompiler", graph, providers.getCodeCache())) { Assumptions assumptions = new Assumptions(OptAssumptions.getValue()); SchedulePhase schedule = null; try (Scope s = Debug.scope("FrontEnd"); TimerCloseable a = FrontEnd.start()) { schedule = emitHIR(providers, target, graph, assumptions, cache, graphBuilderSuite, optimisticOpts, profilingInfo, speculationLog, suites); } catch (Throwable e) { throw Debug.handle(e); } try (TimerCloseable a = BackEnd.start()) { LIRGenerationResult lirGen = null; lirGen = emitLIR(backend, target, schedule, graph, stub, cc); try (Scope s = Debug.scope("CodeGen", lirGen)) { emitCode(backend, assumptions, lirGen, compilationResult, installedCodeOwner, factory); } catch (Throwable e) { throw Debug.handle(e); } } catch (Throwable e) { throw Debug.handle(e); } } catch (Throwable e) { throw Debug.handle(e); } return compilationResult; } public static ProfilingInfo getProfilingInfo(StructuredGraph graph) { if (graph.method() != null) { return graph.method().getProfilingInfo(); } else { return DefaultProfilingInfo.get(TriState.UNKNOWN); } } /** * Builds the graph, optimizes it. */ public static SchedulePhase emitHIR(Providers providers, TargetDescription target, StructuredGraph graph, Assumptions assumptions, Map<ResolvedJavaMethod, StructuredGraph> cache, PhaseSuite<HighTierContext> graphBuilderSuite, OptimisticOptimizations optimisticOpts, ProfilingInfo profilingInfo, SpeculationLog speculationLog, Suites suites) { if (speculationLog != null) { speculationLog.collectFailedSpeculations(); } HighTierContext highTierContext = new HighTierContext(providers, assumptions, cache, graphBuilderSuite, optimisticOpts); if (graph.start().next() == null) { graphBuilderSuite.apply(graph, highTierContext); new DeadCodeEliminationPhase().apply(graph); } else { Debug.dump(graph, "initial state"); } suites.getHighTier().apply(graph, highTierContext); graph.maybeCompress(); MidTierContext midTierContext = new MidTierContext(providers, assumptions, target, optimisticOpts, profilingInfo, speculationLog); suites.getMidTier().apply(graph, midTierContext); graph.maybeCompress(); LowTierContext lowTierContext = new LowTierContext(providers, assumptions, target); suites.getLowTier().apply(graph, lowTierContext); graph.maybeCompress(); // we do not want to store statistics about OSR compilations because it may prevent inlining if (!graph.isOSR()) { InliningPhase.storeStatisticsAfterLowTier(graph); } SchedulePhase schedule = new SchedulePhase(); schedule.apply(graph); Debug.dump(schedule, "final schedule"); return schedule; } public static LIRGenerationResult emitLIR(Backend backend, TargetDescription target, SchedulePhase schedule, StructuredGraph graph, Object stub, CallingConvention cc) { Block[] blocks = schedule.getCFG().getBlocks(); Block startBlock = schedule.getCFG().getStartBlock(); assert startBlock != null; assert startBlock.getPredecessorCount() == 0; LIR lir = null; List<Block> codeEmittingOrder = null; List<Block> linearScanOrder = null; try (Scope ds = Debug.scope("MidEnd")) { try (Scope s = Debug.scope("ComputeLinearScanOrder")) { NodesToDoubles nodeProbabilities = new ComputeProbabilityClosure(graph).apply(); BlocksToDoubles blockProbabilities = BlocksToDoubles.createFromNodeProbability(nodeProbabilities, schedule.getCFG()); codeEmittingOrder = ComputeBlockOrder.computeCodeEmittingOrder(blocks.length, startBlock, blockProbabilities); linearScanOrder = ComputeBlockOrder.computeLinearScanOrder(blocks.length, startBlock, blockProbabilities); lir = new LIR(schedule.getCFG(), linearScanOrder, codeEmittingOrder); Debug.dump(lir, "After linear scan order"); } catch (Throwable e) { throw Debug.handle(e); } } catch (Throwable e) { throw Debug.handle(e); } try (Scope ds = Debug.scope("BackEnd", lir)) { FrameMap frameMap = backend.newFrameMap(); LIRGenerationResult lirRes = backend.newLIRGenerationResult(lir, frameMap, stub); LIRGenerator lirGen = backend.newLIRGenerator(graph, cc, lirRes); NodeLIRGenerator nodeLirGen = new NodeLIRGenerator(); try (Scope s = Debug.scope("LIRGen", lirGen)) { nodeLirGen.generate(graph, lirRes, lirGen, linearScanOrder, schedule.getBlockToNodesMap()); lirGen.beforeRegisterAllocation(); Debug.dump(lir, "After LIR generation"); } catch (Throwable e) { throw Debug.handle(e); } try (Scope s = Debug.scope("Allocator", lirGen)) { if (backend.shouldAllocateRegisters()) { new LinearScan(target, lir, frameMap).allocate(); } } catch (Throwable e) { throw Debug.handle(e); } try (Scope s = Debug.scope("ControlFlowOptimizations")) { EdgeMoveOptimizer.optimize(lir); ControlFlowOptimizer.optimize(lir, codeEmittingOrder); if (lirGen.canEliminateRedundantMoves()) { RedundantMoveElimination.optimize(lir, frameMap); } NullCheckOptimizer.optimize(lir, target.implicitNullCheckLimit); Debug.dump(lir, "After control flow optimization"); } catch (Throwable e) { throw Debug.handle(e); } return lirRes; } catch (Throwable e) { throw Debug.handle(e); } } public static void emitCode(Backend backend, Assumptions assumptions, LIRGenerationResult lirGenRes, CompilationResult compilationResult, ResolvedJavaMethod installedCodeOwner, CompilationResultBuilderFactory factory) { CompilationResultBuilder crb = backend.newCompilationResultBuilder(lirGenRes, compilationResult, factory); backend.emitCode(crb, lirGenRes.getLIR(), installedCodeOwner); crb.finish(); if (!assumptions.isEmpty()) { compilationResult.setAssumptions(assumptions); } if (Debug.isMeterEnabled()) { List<DataPatch> ldp = compilationResult.getDataReferences(); DebugMetric[] dms = new DebugMetric[Kind.values().length]; for (int i = 0; i < dms.length; i++) { dms[i] = Debug.metric("DataPatches-" + Kind.values()[i].toString()); } DebugMetric dmRaw = Debug.metric("DataPatches-raw"); for (DataPatch dp : ldp) { if (dp.getConstant() != null) { dms[dp.getConstant().getKind().ordinal()].add(1); } else { dmRaw.add(1); } } Debug.metric("CompilationResults").increment(); Debug.metric("CodeBytesEmitted").add(compilationResult.getTargetCodeSize()); Debug.metric("InfopointsEmitted").add(compilationResult.getInfopoints().size()); Debug.metric("DataPatches").add(ldp.size()); Debug.metric("ExceptionHandlersEmitted").add(compilationResult.getExceptionHandlers().size()); } if (Debug.isLogEnabled()) { Debug.log("%s", backend.getProviders().getCodeCache().disassemble(compilationResult, null)); } Debug.dump(compilationResult, "After code generation"); } }