Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotGraphBuilderPlugins.java @ 19355:1c2e8a440bbd
Fix for Class#cast graph builder plugin.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Fri, 13 Feb 2015 13:05:54 +0100 |
parents | 8d09a572da84 |
children | 6975a87eea64 |
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/* * Copyright (c) 2015, 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.hotspot.meta; import static com.oracle.graal.java.GraphBuilderContext.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.hotspot.replacements.*; import com.oracle.graal.java.*; import com.oracle.graal.java.GraphBuilderPlugins.InvocationPlugin; import com.oracle.graal.java.GraphBuilderPlugins.Registration; import com.oracle.graal.java.GraphBuilderPlugins.Registration.Receiver; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.calc.*; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.nodes.java.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.options.*; /** * Provider of HotSpot specific {@link GraphBuilderPlugin}s. */ public class HotSpotGraphBuilderPlugins { public static void registerPlugins(MetaAccessProvider metaAccess, GraphBuilderPlugins plugins) { // Object.class Registration r = new Registration(plugins, metaAccess, Object.class); r.register1("getClass", Receiver.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext builder, ValueNode rcvr) { ObjectStamp objectStamp = (ObjectStamp) rcvr.stamp(); ValueNode mirror; if (objectStamp.isExactType() && objectStamp.nonNull()) { mirror = builder.append(ConstantNode.forConstant(objectStamp.type().getJavaClass(), builder.getMetaAccess())); } else { StampProvider stampProvider = builder.getStampProvider(); LoadHubNode hub = builder.append(new LoadHubNode(stampProvider, nullCheckedValue(builder, rcvr))); mirror = builder.append(new HubGetClassNode(builder.getMetaAccess(), hub)); } builder.push(Kind.Object, mirror); return true; } }); // Class.class r = new Registration(plugins, metaAccess, Class.class); r.register2("cast", Receiver.class, Object.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext builder, ValueNode rcvr, ValueNode object) { if (rcvr.isConstant() && !rcvr.isNullConstant()) { ResolvedJavaType type = builder.getConstantReflection().asJavaType(rcvr.asConstant()); if (type != null && !type.isPrimitive()) { builder.push(Kind.Object, CheckCastNode.create(type, object, null, false, builder.getAssumptions())); return true; } } return false; } }); r.register2("isInstance", Receiver.class, Object.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext builder, ValueNode rcvr, ValueNode object) { if (rcvr.isConstant() && !rcvr.isNullConstant()) { ResolvedJavaType type = builder.getConstantReflection().asJavaType(rcvr.asConstant()); if (type != null && !type.isPrimitive()) { LogicNode node = builder.append(InstanceOfNode.create(type, object, null)); builder.push(Kind.Boolean.getStackKind(), builder.append(ConditionalNode.create(node))); return true; } } return false; } }); // StableOptionValue.class r = new Registration(plugins, metaAccess, StableOptionValue.class); r.register1("getValue", Receiver.class, new InvocationPlugin() { public boolean apply(GraphBuilderContext builder, ValueNode rcvr) { if (rcvr.isConstant() && !rcvr.isNullConstant()) { Object object = ((HotSpotObjectConstantImpl) rcvr.asConstant()).object(); StableOptionValue<?> option = (StableOptionValue<?>) object; ConstantNode value = builder.append(ConstantNode.forConstant(HotSpotObjectConstantImpl.forObject(option.getValue()), builder.getMetaAccess())); builder.push(Kind.Object, value); return true; } return false; } }); } }