Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/IdentifyBoxingPhase.java @ 5540:a891c53a295b
Renaming RiKind => Kind.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Fri, 08 Jun 2012 23:47:42 +0200 |
parents | 816fb2492760 |
children | b4c406861c33 |
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/* * 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.compiler.phases; import java.lang.reflect.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.nodes.java.*; public class IdentifyBoxingPhase extends Phase { private final BoxingMethodPool pool; public IdentifyBoxingPhase(BoxingMethodPool pool) { this.pool = pool; } @Override protected void run(StructuredGraph graph) { for (Invoke invoke : graph.getInvokes()) { tryIntrinsify(invoke); } } public void tryIntrinsify(Invoke invoke) { MethodCallTargetNode callTarget = invoke.callTarget(); RiResolvedMethod targetMethod = callTarget.targetMethod(); if (pool.isSpecialMethod(targetMethod)) { assert callTarget.arguments().size() == 1 : "boxing/unboxing method must have exactly one argument"; Kind returnKind = callTarget.returnKind(); ValueNode sourceValue = callTarget.arguments().get(0); // Check whether this is a boxing or an unboxing. Node newNode = null; if (returnKind == Kind.Object) { // We have a boxing method here. assert Modifier.isStatic(targetMethod.accessFlags()) : "boxing method must be static"; Kind sourceKind = targetMethod.signature().argumentKindAt(0); newNode = invoke.graph().add(new BoxNode(sourceValue, targetMethod.holder(), sourceKind, invoke.bci())); } else { // We have an unboxing method here. assert !Modifier.isStatic(targetMethod.accessFlags()) : "unboxing method must be an instance method"; newNode = invoke.graph().add(new UnboxNode(returnKind, sourceValue)); } // Intrinsify the invoke to the special node. invoke.intrinsify(newNode); } } }