--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/Compiler/src/com/sun/c1x/ir/ResolveClass.java	Wed Apr 27 11:43:22 2011 +0200
@@ -0,0 +1,83 @@
+/*
+ * 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.sun.c1x.debug.*;
+import com.sun.c1x.value.*;
+import com.sun.cri.ci.*;
+import com.sun.cri.ri.*;
+
+/**
+ * An instruction that represents the runtime resolution of a Java class object. For example, an
+ * ldc of a class constant that is unresolved.
+ *
+ * @author Ben L. Titzer
+ * @author Thomas Wuerthinger
+ */
+public final class ResolveClass extends StateSplit {
+
+    public final RiType type;
+    public final RiType.Representation portion;
+
+    public ResolveClass(RiType type, RiType.Representation r, FrameState stateBefore) {
+        super(type.getRepresentationKind(r), stateBefore);
+        this.portion = r;
+        this.type = type;
+        setFlag(Flag.NonNull);
+    }
+
+    @Override
+    public void accept(ValueVisitor v) {
+        v.visitResolveClass(this);
+    }
+
+    @Override
+    public boolean canTrap() {
+        return true;
+    }
+
+    @Override
+    public int valueNumber() {
+        return 0x50000000 | type.hashCode();
+    }
+
+    @Override
+    public boolean valueEqual(Instruction x) {
+        if (x instanceof ResolveClass) {
+            ResolveClass r = (ResolveClass) x;
+            return r.portion == portion && r.type.equals(type);
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return super.toString() + "(type: " + type + ", portion: " + portion + ")";
+    }
+
+    @Override
+    public void print(LogStream out) {
+        out.print("resolve[").print(CiUtil.toJavaName(type)).print("-" + portion + "]");
+    }
+
+}