| /* |
| * Copyright (c) 2015, 2015, 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.lir.alloc.trace; |
| |
| import org.graalvm.compiler.core.common.alloc.RegisterAllocationConfig; |
| import org.graalvm.compiler.core.common.alloc.Trace; |
| import org.graalvm.compiler.core.common.alloc.TraceBuilderResult; |
| import org.graalvm.compiler.debug.Debug; |
| import org.graalvm.compiler.debug.Debug.Scope; |
| import org.graalvm.compiler.debug.DebugCloseable; |
| import org.graalvm.compiler.debug.DebugCounter; |
| import org.graalvm.compiler.debug.DebugMemUseTracker; |
| import org.graalvm.compiler.debug.DebugTimer; |
| import org.graalvm.compiler.lir.gen.LIRGenerationResult; |
| import org.graalvm.compiler.lir.gen.LIRGeneratorTool.MoveFactory; |
| import org.graalvm.compiler.lir.phases.LIRPhase; |
| import org.graalvm.compiler.lir.phases.LIRPhase.LIRPhaseStatistics; |
| |
| import jdk.vm.ci.code.TargetDescription; |
| |
| public abstract class TraceAllocationPhase<C extends TraceAllocationPhase.TraceAllocationContext> { |
| |
| public static class TraceAllocationContext { |
| public final MoveFactory spillMoveFactory; |
| public final RegisterAllocationConfig registerAllocationConfig; |
| public final TraceBuilderResult resultTraces; |
| |
| public TraceAllocationContext(MoveFactory spillMoveFactory, RegisterAllocationConfig registerAllocationConfig, TraceBuilderResult resultTraces) { |
| this.spillMoveFactory = spillMoveFactory; |
| this.registerAllocationConfig = registerAllocationConfig; |
| this.resultTraces = resultTraces; |
| } |
| } |
| |
| /** |
| * Records time spent within {@link #apply}. |
| */ |
| private final DebugTimer timer; |
| |
| /** |
| * Records memory usage within {@link #apply}. |
| */ |
| private final DebugMemUseTracker memUseTracker; |
| |
| /** |
| * Records the number of traces allocated with this phase. |
| */ |
| private final DebugCounter allocatedTraces; |
| |
| private static final class AllocationStatistics { |
| private final DebugCounter allocatedTraces; |
| |
| private AllocationStatistics(Class<?> clazz) { |
| allocatedTraces = Debug.counter("TraceRA[%s]", clazz); |
| } |
| } |
| |
| private static final ClassValue<AllocationStatistics> counterClassValue = new ClassValue<AllocationStatistics>() { |
| @Override |
| protected AllocationStatistics computeValue(Class<?> c) { |
| return new AllocationStatistics(c); |
| } |
| }; |
| |
| public TraceAllocationPhase() { |
| LIRPhaseStatistics statistics = LIRPhase.statisticsClassValue.get(getClass()); |
| timer = statistics.timer; |
| memUseTracker = statistics.memUseTracker; |
| allocatedTraces = counterClassValue.get(getClass()).allocatedTraces; |
| } |
| |
| public final CharSequence getName() { |
| return LIRPhase.createName(getClass()); |
| } |
| |
| @Override |
| public final String toString() { |
| return getName().toString(); |
| } |
| |
| public final void apply(TargetDescription target, LIRGenerationResult lirGenRes, Trace trace, C context) { |
| apply(target, lirGenRes, trace, context, true); |
| } |
| |
| @SuppressWarnings("try") |
| public final void apply(TargetDescription target, LIRGenerationResult lirGenRes, Trace trace, C context, boolean dumpTrace) { |
| try (Scope s = Debug.scope(getName(), this)) { |
| try (DebugCloseable a = timer.start(); DebugCloseable c = memUseTracker.start()) { |
| if (dumpTrace && Debug.isDumpEnabled(TraceBuilderPhase.TRACE_DUMP_LEVEL + 1)) { |
| Debug.dump(TraceBuilderPhase.TRACE_DUMP_LEVEL + 1, trace, "%s before (Trace%s: %s)", getName(), trace.getId(), trace); |
| } |
| run(target, lirGenRes, trace, context); |
| allocatedTraces.increment(); |
| if (dumpTrace && Debug.isDumpEnabled(TraceBuilderPhase.TRACE_DUMP_LEVEL)) { |
| Debug.dump(TraceBuilderPhase.TRACE_DUMP_LEVEL, trace, "%s (Trace%s: %s)", getName(), trace.getId(), trace); |
| } |
| } |
| } catch (Throwable e) { |
| throw Debug.handle(e); |
| } |
| } |
| |
| protected abstract void run(TargetDescription target, LIRGenerationResult lirGenRes, Trace trace, C context); |
| } |