src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases.common/src/org/graalvm/compiler/phases/common/inlining/info/AssumptionInlineInfo.java
changeset 47216 71c04702a3d5
parent 46344 694c102fd8ed
child 48861 47f19ff9903c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.phases.common/src/org/graalvm/compiler/phases/common/inlining/info/AssumptionInlineInfo.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,64 @@
+/*
+ * 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 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 org.graalvm.util.EconomicSet;
+
+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 EconomicSet<Node> 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");
+    }
+}