--- a/graal/GraalCompiler/src/com/sun/c1x/ir/Instruction.java	Thu May 19 13:21:31 2011 +0200
+++ b/graal/GraalCompiler/src/com/sun/c1x/ir/Instruction.java	Thu May 19 13:59:55 2011 +0200
@@ -71,12 +71,6 @@
 
     public static final int SYNCHRONIZATION_ENTRY_BCI = -1;
 
-    /**
-     * Index of bytecode that generated this node when appended in a basic block.
-     * Negative values indicate special cases.
-     */
-    private int bci;
-
     private boolean isAppended = false;
 
     /**
@@ -91,23 +85,6 @@
     }
 
     /**
-     * Gets the bytecode index of this instruction.
-     * @return the bytecode index of this instruction
-     */
-    public final int bci() {
-        return bci;
-    }
-
-    /**
-     * Sets the bytecode index of this instruction.
-     * @param bci the new bytecode index for this instruction
-     */
-    public final void setBCI(int bci) {
-        assert bci >= 0 || bci == SYNCHRONIZATION_ENTRY_BCI;
-        this.bci = bci;
-    }
-
-    /**
      * Checks whether this instruction has already been added to its basic block.
      * @return {@code true} if this instruction has been added to the basic block containing it
      */
@@ -123,11 +100,10 @@
      * @param bci the bytecode index of the next instruction
      * @return the new next instruction
      */
-    public final Instruction appendNext(Instruction next, int bci) {
+    public final Instruction appendNext(Instruction next) {
         setNext(next);
         if (next != null) {
             assert !(this instanceof BlockEnd);
-            next.setBCI(bci);
             next.isAppended = true;
         }
         return next;
@@ -135,7 +111,6 @@
 
     @Override
     public BlockBegin block() {
-        // TODO(tw): Make this more efficient.
         Instruction cur = this;
         while (!(cur instanceof BlockEnd)) {
             cur = cur.next();