Mercurial > hg > graal-jvmci-8
diff graal/GraalCompiler/src/com/sun/c1x/graph/CompilerGraph.java @ 2840:75e0d39833a0
new CompilerGraph, create only one Return and one Unwind per CompilerGraph
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Tue, 31 May 2011 16:53:19 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/GraalCompiler/src/com/sun/c1x/graph/CompilerGraph.java Tue May 31 16:53:19 2011 +0200 @@ -0,0 +1,53 @@ +/* + * 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.sun.c1x.graph; + +import com.oracle.graal.graph.*; +import com.sun.c1x.ir.*; + + +public class CompilerGraph extends Graph { + + private Return returnSingleton; + private Unwind unwindSingleton; + + public Return createReturn(Value result) { + assert returnSingleton == null; + returnSingleton = new Return(result, this); + return returnSingleton; + } + + public Return getReturn() { + return returnSingleton; + } + + public Unwind createUnwind(Value exception) { + assert unwindSingleton == null; + unwindSingleton = new Unwind(exception, this); + return unwindSingleton; + } + + public Unwind getUnwind() { + return unwindSingleton; + } +}