diff graal/GraalCompiler/src/com/sun/c1x/ir/Deoptimize.java @ 2671:d8601d421b96

New Deoptimize node, remove ResolveClass node and replace it with deoptimization
author Gilles Duboscq <gilles.duboscq@oracle.com>
date Thu, 12 May 2011 17:17:50 +0200
parents
children 7b7dbe19fafb
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/GraalCompiler/src/com/sun/c1x/ir/Deoptimize.java	Thu May 12 17:17:50 2011 +0200
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2009, 2011, 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.sun.c1x.ir;
+
+import com.oracle.graal.graph.*;
+import com.sun.c1x.debug.*;
+import com.sun.c1x.value.*;
+import com.sun.cri.ci.*;
+
+
+/**
+ *
+ */
+public class Deoptimize extends Instruction {
+
+    private static final int INPUT_COUNT = 1;
+    private static final int SUCCESSOR_COUNT = 0;
+    private static final int INPUT_STATE_BEFORE = 0;
+
+    /**
+     * @param kind
+     * @param inputCount
+     * @param successorCount
+     * @param graph
+     */
+    public Deoptimize(Graph graph, FrameState stateBefore) {
+        super(CiKind.Illegal, INPUT_COUNT, SUCCESSOR_COUNT, graph);
+        this.setStateBefore(stateBefore);
+    }
+
+    @Override
+    protected int inputCount() {
+        return super.inputCount() + INPUT_COUNT;
+    }
+
+    @Override
+    protected int successorCount() {
+        return super.successorCount() + SUCCESSOR_COUNT;
+    }
+
+    /**
+     * The state for this instruction.
+     */
+    public FrameState stateBefore() {
+        return (FrameState) inputs().get(super.inputCount() + INPUT_STATE_BEFORE);
+    }
+
+    public FrameState setStateBefore(FrameState n) {
+        return (FrameState) inputs().set(super.inputCount() + INPUT_STATE_BEFORE, n);
+    }
+
+    @Override
+    public void accept(ValueVisitor v) {
+        v.visitDeoptimize(this);
+    }
+
+    @Override
+    public void print(LogStream out) {
+        out.print("deoptimize");
+    }
+
+}