Mercurial > hg > graal-compiler
view graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/IncrementalCanonicalizerPhase.java @ 23060:4e72c50bb9c1
Improve handling of pi nodes that directly follow access nodes.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sun, 22 Nov 2015 19:53:38 +0100 |
parents | 05183a084a08 |
children |
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/* * Copyright (c) 2013, 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.phases.common; import com.oracle.graal.graph.Graph.NodeEventScope; import com.oracle.graal.nodes.StructuredGraph; import com.oracle.graal.phases.BasePhase; import com.oracle.graal.phases.PhaseSuite; import com.oracle.graal.phases.common.util.HashSetNodeEventListener; import com.oracle.graal.phases.tiers.PhaseContext; /** * A phase suite that applies {@linkplain CanonicalizerPhase canonicalization} to a graph after all * phases in the suite have been applied if any of the phases changed the graph. */ public class IncrementalCanonicalizerPhase<C extends PhaseContext> extends PhaseSuite<C> { private final CanonicalizerPhase canonicalizer; public IncrementalCanonicalizerPhase(CanonicalizerPhase canonicalizer) { this.canonicalizer = canonicalizer; } public IncrementalCanonicalizerPhase(CanonicalizerPhase canonicalizer, BasePhase<? super C> phase) { this.canonicalizer = canonicalizer; appendPhase(phase); } @Override @SuppressWarnings("try") protected void run(StructuredGraph graph, C context) { HashSetNodeEventListener listener = new HashSetNodeEventListener(); try (NodeEventScope nes = graph.trackNodeEvents(listener)) { super.run(graph, context); } if (!listener.getNodes().isEmpty()) { canonicalizer.applyIncremental(graph, context, listener.getNodes(), null, false); } } }