Remove -disablePeephole

1 files changed, 1 insertions, 10 deletions

diff --git a/chapter05/src/main/java/com/seaofnodes/simple/node/Node.java b/chapter05/src/main/java/com/seaofnodes/simple/node/Node.java
index d2c83761..8c155447 100644
--- a/chapter05/src/main/java/com/seaofnodes/simple/node/Node.java
+++ b/chapter05/src/main/java/com/seaofnodes/simple/node/Node.java
@@ -211,12 +211,6 @@ public abstract class Node {
     // Graph-based optimizations
 
     /**
-     * We allow disabling peephole opt so that we can observe the
-     * full graph, vs the optimized graph.
-     */
-    public static boolean _disablePeephole = false;
-
-    /**
      * Try to peephole at this node and return a better replacement Node if
      * possible.  We compute a {@link Type} and then check and replace:
      * <ul>
@@ -245,9 +239,6 @@ public abstract class Node {
         // Compute initial or improved Type
         Type type = _type = compute();
 
-        if (_disablePeephole)
-            return null;        // Peephole optimizations turned off
-
         // Replace constant computations from non-constants with a constant node
         if (!(this instanceof ConstantNode) && type.isConstant())
             return deadCodeElim(new ConstantNode(type).peephole());
@@ -375,7 +366,7 @@ public abstract class Node {
      * Used to allow repeating tests in the same JVM.  This just resets the
      * Node unique id generator, and is done as part of making a new Parser.
      */
-    public static void reset() { UNIQUE_ID = 1; _disablePeephole=false; }
+    public static void reset() { UNIQUE_ID = 1; }
 
     /**
      * Debugging utility to find a Node by index