Mercurial > hg > truffle
view graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/MethodHandlePlugin.java @ 21925:64475dbf6aec
Move instantiation checks from methods substitutions to the lowering of DynamicNewInstanceNode and DynamicNewArrayNode, so that Unsafe.allocateInstance and Array.newInstance can be intrinsified to a single node.
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Wed, 10 Jun 2015 17:23:19 -0700 |
parents | 316f85995e6b |
children |
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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.replacements; import com.oracle.graal.graph.*; import com.oracle.graal.graphbuilderconf.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.CallTargetNode.InvokeKind; import com.oracle.graal.replacements.nodes.*; import com.oracle.jvmci.meta.*; import com.oracle.jvmci.meta.MethodHandleAccessProvider.IntrinsicMethod; public class MethodHandlePlugin implements NodePlugin { private final MethodHandleAccessProvider methodHandleAccess; public MethodHandlePlugin(MethodHandleAccessProvider methodHandleAccess) { this.methodHandleAccess = methodHandleAccess; } @Override public boolean handleInvoke(GraphBuilderContext b, ResolvedJavaMethod method, ValueNode[] args) { IntrinsicMethod intrinsicMethod = methodHandleAccess.lookupMethodHandleIntrinsic(method); if (intrinsicMethod != null) { InvokeKind invokeKind = b.getInvokeKind(); if (invokeKind != InvokeKind.Static) { args[0] = b.nullCheckedValue(args[0]); } JavaType invokeReturnType = b.getInvokeReturnType(); InvokeNode invoke = MethodHandleNode.tryResolveTargetInvoke(b.getAssumptions(), b.getConstantReflection().getMethodHandleAccess(), intrinsicMethod, method, b.bci(), invokeReturnType, args); if (invoke == null) { MethodHandleNode methodHandleNode = new MethodHandleNode(intrinsicMethod, invokeKind, method, b.bci(), invokeReturnType, args); if (invokeReturnType.getKind() == Kind.Void) { b.add(methodHandleNode); } else { b.addPush(invokeReturnType.getKind(), methodHandleNode); } } else { CallTargetNode callTarget = invoke.callTarget(); NodeInputList<ValueNode> argumentsList = callTarget.arguments(); for (int i = 0; i < argumentsList.size(); ++i) { argumentsList.initialize(i, b.recursiveAppend(argumentsList.get(i))); } b.handleReplacedInvoke(invoke.getInvokeKind(), callTarget.targetMethod(), argumentsList.toArray(new ValueNode[argumentsList.size()])); } return true; } return false; } }