# HG changeset patch # User Doug Simon # Date 1381095855 -7200 # Node ID 679d485c370bc2547368b96af4b6a82fcd85049e # Parent 3c1a187c0a418b9e6d64a2abcdcc87ea727f3746 removed unused PhiStampPhase diff -r 3c1a187c0a41 -r 679d485c370b graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/PhiStampPhase.java --- a/graal/com.oracle.graal.phases.common/src/com/oracle/graal/phases/common/PhiStampPhase.java Sun Oct 06 23:40:18 2013 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,63 +0,0 @@ -/* - * Copyright (c) 2011, 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.nodes.*; -import com.oracle.graal.phases.*; - -public class PhiStampPhase extends Phase { - - @Override - protected void run(StructuredGraph graph) { - // Infer phis stopping at loop phis. - for (PhiNode phi : graph.getNodes(PhiNode.class)) { - inferPhi(phi); - } - - // Start iterative inference for loop phis. - if (graph.hasLoops()) { - for (PhiNode phi : graph.getNodes(PhiNode.class)) { - if (phi.isLoopPhi()) { - iterativeInferPhi(phi); - } - } - } - } - - private void iterativeInferPhi(PhiNode phi) { - if (phi.inferPhiStamp()) { - for (PhiNode phiUsage : phi.usages().filter(PhiNode.class)) { - iterativeInferPhi(phiUsage); - } - } - } - - private void inferPhi(PhiNode phi) { - for (PhiNode phiInput : phi.values().filter(PhiNode.class)) { - if (!phiInput.isLoopPhi()) { - inferPhi(phiInput); - } - } - phi.inferPhiStamp(); - } -}