diff graal/com.oracle.jvmci.meta/src/com/oracle/jvmci/meta/DeoptimizationAction.java @ 21556:48c1ebd24120

renamed com.oracle.graal.api[meta|code] modules to com.oracle.jvmci.[meta|code] (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Wed, 27 May 2015 00:36:16 +0200
parents graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/DeoptimizationAction.java@0e2cceed1caf
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.jvmci.meta/src/com/oracle/jvmci/meta/DeoptimizationAction.java	Wed May 27 00:36:16 2015 +0200
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2012, 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.jvmci.meta;
+
+/**
+ * Specifies the action that should be taken by the runtime in case a certain deoptimization is
+ * triggered.
+ */
+public enum DeoptimizationAction {
+    /**
+     * Do not invalidate the machine code. This is typically used when deoptimizing at a point where
+     * it's highly likely nothing will change the likelihood of the deoptimization happening again.
+     * For example, a compiled array allocation where the size is negative.
+     */
+    None(false),
+
+    /**
+     * Do not invalidate the machine code, but schedule a recompilation if this deoptimization is
+     * triggered too often.
+     */
+    RecompileIfTooManyDeopts(true),
+
+    /**
+     * Invalidate the machine code and reset the profiling information.
+     */
+    InvalidateReprofile(true),
+
+    /**
+     * Invalidate the machine code and immediately schedule a recompilation. This is typically used
+     * when deoptimizing to resolve an unresolved symbol in which case extra profiling is not
+     * required to determine that the deoptimization will not re-occur.
+     */
+    InvalidateRecompile(true),
+
+    /**
+     * Invalidate the machine code and stop compiling the outermost method of this compilation.
+     */
+    InvalidateStopCompiling(true);
+
+    private final boolean invalidatesCompilation;
+
+    private DeoptimizationAction(boolean invalidatesCompilation) {
+        this.invalidatesCompilation = invalidatesCompilation;
+    }
+
+    public boolean doesInvalidateCompilation() {
+        return invalidatesCompilation;
+    }
+
+}