Mercurial > hg > graal-jvmci-8
view graal/GraalCompiler/src/com/sun/c1x/ir/Goto.java @ 2611:bd235cb4375a
FrameState cleanup: split into FrameStateBuilder and fixed-size FrameState, removed MutableFrameState
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Fri, 06 May 2011 17:08:00 +0200 |
parents | 0c6564c254af |
children | a0dd2b907806 |
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/* * Copyright (c) 2009, 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.sun.c1x.ir; import com.oracle.graal.graph.*; import com.sun.c1x.debug.*; import com.sun.c1x.value.*; import com.sun.cri.ci.*; /** * The {@code Goto} instruction represents the end of a block with an unconditional jump to another block. */ public final class Goto extends BlockEnd { private static final int INPUT_COUNT = 0; private static final int SUCCESSOR_COUNT = 0; /** * Constructs a new Goto instruction. * @param succ the successor block of the goto * @param stateAfter the frame state at the end of this block * @param isSafepoint {@code true} if the goto should be considered a safepoint (e.g. backward branch) * @param graph */ public Goto(BlockBegin succ, FrameState stateAfter, boolean isSafepoint, Graph graph) { super(CiKind.Illegal, stateAfter, isSafepoint, 1, INPUT_COUNT, SUCCESSOR_COUNT, graph); setBlockSuccessor(0, succ); } @Override public void accept(ValueVisitor v) { v.visitGoto(this); } @Override public void print(LogStream out) { out.print("goto B").print(defaultSuccessor().blockID); if (isSafepoint()) { out.print(" (safepoint)"); } } }