/* * Copyright (c) 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.loop.phases; import org.graalvm.compiler.debug.Debug; import org.graalvm.compiler.debug.Debug.Scope; import org.graalvm.compiler.loop.LoopEx; import org.graalvm.compiler.loop.LoopsData; import org.graalvm.compiler.nodes.StructuredGraph; import org.graalvm.compiler.phases.Phase; public class ReassociateInvariantPhase extends Phase { @SuppressWarnings("try") @Override protected void run(StructuredGraph graph) { if (graph.hasLoops()) { final LoopsData dataReassociate = new LoopsData(graph); try (Scope s = Debug.scope("ReassociateInvariants")) { for (LoopEx loop : dataReassociate.loops()) { loop.reassociateInvariants(); } } catch (Throwable e) { throw Debug.handle(e); } dataReassociate.deleteUnusedNodes(); } } }