--- a/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/LIRInstruction.java	Thu Mar 07 15:16:18 2013 +0100
+++ b/graal/com.oracle.graal.lir/src/com/oracle/graal/lir/LIRInstruction.java	Thu Mar 07 15:16:19 2013 +0100
@@ -171,6 +171,11 @@
         ADDR,
 
         /**
+         * The value can be a {@link CompositeValue}.
+         */
+        COMPOSITE,
+
+        /**
          * The value can be a {@link Constant}.
          */
         CONST,
@@ -205,10 +210,10 @@
 
     static {
         ALLOWED_FLAGS = new EnumMap<>(OperandMode.class);
-        ALLOWED_FLAGS.put(USE, EnumSet.of(REG, STACK, ADDR, CONST, ILLEGAL, HINT, UNINITIALIZED));
-        ALLOWED_FLAGS.put(ALIVE, EnumSet.of(REG, STACK, ADDR, CONST, ILLEGAL, HINT, UNINITIALIZED));
-        ALLOWED_FLAGS.put(TEMP, EnumSet.of(REG, CONST, ILLEGAL, HINT));
-        ALLOWED_FLAGS.put(DEF, EnumSet.of(REG, STACK, ILLEGAL, HINT));
+        ALLOWED_FLAGS.put(USE, EnumSet.of(REG, STACK, ADDR, COMPOSITE, CONST, ILLEGAL, HINT, UNUSED, UNINITIALIZED));
+        ALLOWED_FLAGS.put(ALIVE, EnumSet.of(REG, STACK, ADDR, COMPOSITE, CONST, ILLEGAL, HINT, UNUSED, UNINITIALIZED));
+        ALLOWED_FLAGS.put(TEMP, EnumSet.of(REG, COMPOSITE, CONST, ILLEGAL, UNUSED, HINT));
+        ALLOWED_FLAGS.put(DEF, EnumSet.of(REG, STACK, COMPOSITE, ILLEGAL, UNUSED, HINT));
     }
 
     /**