--- /dev/null 2017-01-22 10:16:57.869617664 -0800 +++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases.common/src/org/graalvm/compiler/phases/common/inlining/info/AssumptionInlineInfo.java 2017-02-15 17:08:16.187903072 -0800 @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2013, 2014, 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 org.graalvm.compiler.phases.common.inlining.info; + +import java.util.Collection; + +import org.graalvm.compiler.graph.Node; +import org.graalvm.compiler.nodes.CallTargetNode.InvokeKind; +import org.graalvm.compiler.nodes.Invoke; +import org.graalvm.compiler.phases.common.inlining.InliningUtil; +import org.graalvm.compiler.phases.util.Providers; + +import jdk.vm.ci.meta.Assumptions.AssumptionResult; +import jdk.vm.ci.meta.ResolvedJavaMethod; + +/** + * Represents an inlining opportunity where the current class hierarchy leads to a monomorphic + * target method, but for which an assumption has to be registered because of non-final classes. + */ +public class AssumptionInlineInfo extends ExactInlineInfo { + + private final AssumptionResult takenAssumption; + + public AssumptionInlineInfo(Invoke invoke, ResolvedJavaMethod concrete, AssumptionResult takenAssumption) { + super(invoke, concrete); + this.takenAssumption = takenAssumption; + } + + @Override + public Collection inline(Providers providers) { + takenAssumption.recordTo(invoke.asNode().graph().getAssumptions()); + return super.inline(providers); + } + + @Override + public void tryToDevirtualizeInvoke(Providers providers) { + takenAssumption.recordTo(invoke.asNode().graph().getAssumptions()); + InliningUtil.replaceInvokeCallTarget(invoke, graph(), InvokeKind.Special, concrete); + } + + @Override + public String toString() { + return "assumption " + concrete.format("%H.%n(%p):%r"); + } +}