From b933257d6b26343f3ad517f5876bb5a0093ab403 Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Tue, 23 Apr 2024 17:23:16 +0100
Subject: Chapter 10: Structs and Memory

Co-authored-by: Thalia Archibald <thalia@archibald.dev>
Co-authored-by: Dibyendu Majumdar <mobile@majumdar.org.uk>
Co-authored-by: XmiliaH <45106915+XmiliaH@users.noreply.github.com>
Co-authored-by: XmiliaH <xmilia.hermit@gmail.com>
Co-authored-by: Robert Obkircher <robert.obkircher@gmail.com>
---
 src/main/java/com/seaofnodes/simple/IterPeeps.java | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/main/java/com/seaofnodes/simple/IterPeeps.java')

diff --git a/src/main/java/com/seaofnodes/simple/IterPeeps.java b/src/main/java/com/seaofnodes/simple/IterPeeps.java
index 6dafd95f..1cee1ccb 100644
--- a/src/main/java/com/seaofnodes/simple/IterPeeps.java
+++ b/src/main/java/com/seaofnodes/simple/IterPeeps.java
@@ -1,8 +1,6 @@
 package com.seaofnodes.simple;
 
-import com.seaofnodes.simple.node.ConstantNode;
-import com.seaofnodes.simple.node.Node;
-import com.seaofnodes.simple.node.StopNode;
+import com.seaofnodes.simple.node.*;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -90,6 +88,8 @@ public abstract class IterPeeps {
                 n.moveDepsToWorklist();
                 assert progressOnList(stop); // Very expensive assert
             }
+            if( n.isUnused() && !(n instanceof StopNode) )
+                n.kill();       // Just plain dead
         }
 
         if( show )
-- 
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