Mercurial > hg > graal-compiler
diff graal/GraalCompiler/src/com/sun/c1x/ir/Return.java @ 2509:16b9a8b5ad39
Renamings Runtime=>GraalRuntime and Compiler=>GraalCompiler
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
---|---|
date | Wed, 27 Apr 2011 11:50:44 +0200 |
parents | graal/Compiler/src/com/sun/c1x/ir/Return.java@9ec15d6914ca |
children | 0c6564c254af |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/GraalCompiler/src/com/sun/c1x/ir/Return.java Wed Apr 27 11:50:44 2011 +0200 @@ -0,0 +1,76 @@ +/* + * 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.sun.c1x.debug.*; +import com.sun.cri.ci.*; + +/** + * The {@code Return} class definition. + * + * @author Ben L. Titzer + */ +public final class Return extends BlockEnd { + + Value result; + + /** + * Constructs a new Return instruction. + * @param result the instruction producing the result for this return; {@code null} if this + * is a void return + * @param isSafepoint {@code true} if this instruction is a safepoint instruction + */ + public Return(Value result, boolean isSafepoint) { + super(result == null ? CiKind.Void : result.kind, null, isSafepoint); + this.result = result; + } + + /** + * Gets the instruction that produces the result for the return. + * @return the instruction producing the result + */ + public Value result() { + return result; + } + + @Override + public void inputValuesDo(ValueClosure closure) { + if (result != null) { + result = closure.apply(result); + } + } + + @Override + public void accept(ValueVisitor v) { + v.visitReturn(this); + } + + @Override + public void print(LogStream out) { + if (result == null) { + out.print("return"); + } else { + out.print(kind.typeChar).print("return ").print(result); + } + } +}