diff --git a/jode/jode/flow/ConditionalBlock.java b/jode/jode/flow/ConditionalBlock.java
index 40a76df..b1b7847 100644
--- a/jode/jode/flow/ConditionalBlock.java
+++ b/jode/jode/flow/ConditionalBlock.java
@@ -122,7 +122,7 @@ public class ConditionalBlock extends InstructionContainer {
     public void dumpInstruction(TabbedPrintWriter writer)
         throws java.io.IOException
     {
-        writer.println("IF ("+instr.simplify().toString()+")");
+        writer.println("IF ("+instr.toString()+")");
         writer.tab();
         trueBlock.dumpSource(writer);
         writer.untab();
@@ -135,3 +135,4 @@ public class ConditionalBlock extends InstructionContainer {
             || CreateIfThenElseOperator.createFunny(this, last);
     }
 }
+
diff --git a/jode/jode/flow/IfThenElseBlock.java b/jode/jode/flow/IfThenElseBlock.java
index 1e8f275..835789c 100644
--- a/jode/jode/flow/IfThenElseBlock.java
+++ b/jode/jode/flow/IfThenElseBlock.java
@@ -140,7 +140,7 @@ public class IfThenElseBlock extends StructuredBlock {
         throws java.io.IOException
     {
         boolean needBrace = thenBlock.needsBraces();
-        writer.print("if ("+cond.simplify().toString()+")");
+        writer.print("if ("+cond.toString()+")");
 	if (needBrace)
 	    writer.openBrace();
 	else
@@ -194,6 +194,11 @@ public class IfThenElseBlock extends StructuredBlock {
             && (elseBlock.jump != null || elseBlock.jumpMayBeChanged());
     }
 
+    public void simplify() {
+	cond = cond.simplify();
+	super.simplify();
+    }
+
     public boolean doTransformations() {
         StructuredBlock last = flowBlock.lastModified;
         return CreateCheckNull.transformJikes(this, last)
diff --git a/jode/jode/flow/InstructionContainer.java b/jode/jode/flow/InstructionContainer.java
index 17ff813..5de3804 100644
--- a/jode/jode/flow/InstructionContainer.java
+++ b/jode/jode/flow/InstructionContainer.java
@@ -99,6 +99,12 @@ public abstract class InstructionContainer extends StructuredBlock {
         return instr;
     }
 
+    public void simplify() {
+	if (instr != null)
+	    instr = instr.simplify();
+	super.simplify();
+    }
+
     /**
      * Set the contained instruction.
      * @param instr the new instruction.
diff --git a/jode/jode/flow/LoopBlock.java b/jode/jode/flow/LoopBlock.java
index a112d37..1189299 100644
--- a/jode/jode/flow/LoopBlock.java
+++ b/jode/jode/flow/LoopBlock.java
@@ -246,7 +246,7 @@ public class LoopBlock extends StructuredBlock implements BreakableBlock {
                 /* special syntax for endless loops: */
                 writer.print("for (;;)");
             else
-                writer.print("while ("+cond.simplify().toString()+")");
+                writer.print("while ("+cond.toString()+")");
             break;
         case DOWHILE:
             writer.print("do");
@@ -259,11 +259,11 @@ public class LoopBlock extends StructuredBlock implements BreakableBlock {
                                   init.getInstruction().getOperator())
                                  .getLocalInfo().getType().getHint()
                                  + " ");
-                writer.print(init.getInstruction().simplify().toString());
+                writer.print(init.getInstruction().toString());
             } else
                 writer.print("/**/");
-            writer.print("; "+cond.simplify().toString()+"; "
-                         +incr.getInstruction().simplify().toString()+")");
+            writer.print("; "+cond.toString()+"; "
+                         +incr.getInstruction().toString()+")");
             break;
         }
 	if (needBrace)
@@ -439,8 +439,19 @@ public class LoopBlock extends StructuredBlock implements BreakableBlock {
         return mayChangeJump;
     }
 
+    public void simplify() {
+	cond = cond.simplify();
+	if (type == FOR) {
+	    incr.simplify();
+	    if (init != null)
+		init.simplify();
+	}
+	super.simplify();
+    }
+
     public boolean doTransformations() {
         return init == null && (type == FOR || type == POSSFOR)
             && CreateForInitializer.transform(this, flowBlock.lastModified);
     }
 }
+
diff --git a/jode/jode/flow/ReturnBlock.java b/jode/jode/flow/ReturnBlock.java
index 9e50150..38e4dd9 100644
--- a/jode/jode/flow/ReturnBlock.java
+++ b/jode/jode/flow/ReturnBlock.java
@@ -75,6 +75,6 @@ public class ReturnBlock extends InstructionContainer {
 	throws java.io.IOException
     {
         writer.println("return" + 
-                       (instr == null ? "" : " " + instr.simplify()) + ";");
+                       (instr == null ? "" : " " + instr) + ";");
     }
 }
diff --git a/jode/jode/flow/SwitchBlock.java b/jode/jode/flow/SwitchBlock.java
index 5774f8a..54ea529 100644
--- a/jode/jode/flow/SwitchBlock.java
+++ b/jode/jode/flow/SwitchBlock.java
@@ -191,7 +191,7 @@ implements BreakableBlock {
             writer.println(label+":");
             writer.tab();
         }
-        writer.print("switch ("+instr.simplify()+")");
+        writer.print("switch ("+instr+")");
 	writer.openBrace();
 	for (int i=0; i < caseBlocks.length; i++)
 	    caseBlocks[i].dumpSource(writer);
diff --git a/jode/jode/flow/SynchronizedBlock.java b/jode/jode/flow/SynchronizedBlock.java
index 1c426eb..760d3d6 100644
--- a/jode/jode/flow/SynchronizedBlock.java
+++ b/jode/jode/flow/SynchronizedBlock.java
@@ -85,7 +85,7 @@ public class SynchronizedBlock extends StructuredBlock {
             writer.println("MISSING MONITORENTER");
         writer.print("synchronized ("
 		     + (object != null 
-			? object.simplify().toString()
+			? object.toString()
 			: local.getName()) + ")");
 	writer.openBrace();
         writer.tab();
@@ -94,6 +94,13 @@ public class SynchronizedBlock extends StructuredBlock {
 	writer.closeBrace();
     }
 
+    public void simplify() {
+	if (object != null)
+	    object = object.simplify();
+	super.simplify();
+    }
+    
+
     public boolean doTransformations() {
         StructuredBlock last = flowBlock.lastModified;
         return (!isEntered && CompleteSynchronized.enter(this, last))