# HG changeset patch
# User Thomas Wuerthinger <thomas@wuerthinger.net>
# Date 1308234177 -7200
# Node ID 7b1cdb0e21d9f98e8b74aa8a1d24c5fcd75a5636
# Parent  a7a7e87ad23026f32697707f2564742c88cd16db
BlockEnd no longer extends Instruction.

diff -r a7a7e87ad230 -r 7b1cdb0e21d9 graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/BlockEnd.java
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/BlockEnd.java	Thu Jun 16 16:19:36 2011 +0200
+++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/BlockEnd.java	Thu Jun 16 16:22:57 2011 +0200
@@ -31,7 +31,7 @@
  * The {@code BlockEnd} instruction is a base class for all instructions that end a basic
  * block, including branches, switches, throws, and goto's.
  */
-public abstract class BlockEnd extends Instruction {
+public abstract class BlockEnd extends FixedNode {
 
     private static final int INPUT_COUNT = 0;
 
@@ -118,11 +118,4 @@
         List<Instruction> list = (List) successors().subList(super.successorCount() + SUCCESSOR_COUNT, super.successorCount() + blockSuccessorCount + SUCCESSOR_COUNT);
         return Collections.unmodifiableList(list);
     }
-
-    public void clearSuccessors() {
-        for (int i = 0; i < blockSuccessorCount(); i++) {
-            setBlockSuccessor(i, null);
-        }
-    }
-
 }
diff -r a7a7e87ad230 -r 7b1cdb0e21d9 graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/Return.java
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/Return.java	Thu Jun 16 16:19:36 2011 +0200
+++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/Return.java	Thu Jun 16 16:22:57 2011 +0200
@@ -58,11 +58,6 @@
         return (Value) inputs().set(super.inputCount() + INPUT_RESULT, n);
     }
 
-    @Override
-    public Instruction next() {
-        return null;
-    }
-
     /**
      * Constructs a new Return instruction.
      * @param result the instruction producing the result for this return; {@code null} if this
diff -r a7a7e87ad230 -r 7b1cdb0e21d9 graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/Unwind.java
--- a/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/Unwind.java	Thu Jun 16 16:19:36 2011 +0200
+++ b/graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/Unwind.java	Thu Jun 16 16:22:57 2011 +0200
@@ -46,11 +46,6 @@
         return super.successorCount() + SUCCESSOR_COUNT;
     }
 
-    @Override
-    public Instruction next() {
-        return null;
-    }
-
     /**
      * The instruction that produces the exception object.
      */