Mercurial > hg > graal-compiler
view graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/LIRGenerationPhase.java @ 23394:964f28c04d7b default tip
Don't fill the code cache with nmethods from CTW
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
---|---|
date | Fri, 05 Feb 2016 22:48:36 -0800 |
parents | e67189aa2e06 |
children |
line wrap: on
line source
/* * 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 com.oracle.graal.compiler; import static com.oracle.graal.compiler.common.BackendOptions.ConstructionSSAlirDuringLirBuilding; import java.util.List; import jdk.vm.ci.code.TargetDescription; import com.oracle.graal.compiler.common.cfg.AbstractBlockBase; import com.oracle.graal.compiler.common.cfg.BlockMap; import com.oracle.graal.graph.Node; import com.oracle.graal.lir.gen.LIRGenerationResult; import com.oracle.graal.lir.gen.LIRGeneratorTool; import com.oracle.graal.lir.phases.LIRPhase; import com.oracle.graal.lir.ssa.SSAUtil; import com.oracle.graal.nodes.StructuredGraph; import com.oracle.graal.nodes.StructuredGraph.ScheduleResult; import com.oracle.graal.nodes.cfg.Block; import com.oracle.graal.nodes.spi.NodeLIRBuilderTool; public class LIRGenerationPhase extends LIRPhase<LIRGenerationPhase.LIRGenerationContext> { public static final class LIRGenerationContext { private final NodeLIRBuilderTool nodeLirBuilder; private final LIRGeneratorTool lirGen; private final StructuredGraph graph; private final ScheduleResult schedule; public LIRGenerationContext(LIRGeneratorTool lirGen, NodeLIRBuilderTool nodeLirBuilder, StructuredGraph graph, ScheduleResult schedule) { this.nodeLirBuilder = nodeLirBuilder; this.lirGen = lirGen; this.graph = graph; this.schedule = schedule; } } @Override protected final <B extends AbstractBlockBase<B>> void run(TargetDescription target, LIRGenerationResult lirGenRes, List<B> codeEmittingOrder, List<B> linearScanOrder, LIRGenerationPhase.LIRGenerationContext context) { NodeLIRBuilderTool nodeLirBuilder = context.nodeLirBuilder; StructuredGraph graph = context.graph; ScheduleResult schedule = context.schedule; for (B b : linearScanOrder) { emitBlock(nodeLirBuilder, lirGenRes, (Block) b, graph, schedule.getBlockToNodesMap()); } context.lirGen.beforeRegisterAllocation(); assert !ConstructionSSAlirDuringLirBuilding.getValue() || SSAUtil.verifySSAForm(lirGenRes.getLIR()); } private static void emitBlock(NodeLIRBuilderTool nodeLirGen, LIRGenerationResult lirGenRes, Block b, StructuredGraph graph, BlockMap<List<Node>> blockMap) { if (lirGenRes.getLIR().getLIRforBlock(b) == null) { for (Block pred : b.getPredecessors()) { if (!b.isLoopHeader() || !pred.isLoopEnd()) { emitBlock(nodeLirGen, lirGenRes, pred, graph, blockMap); } } nodeLirGen.doBlock(b, graph, blockMap); } } }