From c5ef4e52fd7d183861b33476db999fa04f777607 Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Sun, 27 Sep 2026 08:52:12 -0700
Subject: Remove -disablePeephole

---
 .../test/java/com/seaofnodes/simple/Chapter02Test.java |  4 +---
 .../test/java/com/seaofnodes/simple/Chapter03Test.java |  9 ---------
 .../test/java/com/seaofnodes/simple/Chapter07Test.java | 18 +++---------------
 3 files changed, 4 insertions(+), 27 deletions(-)

(limited to 'chapter07/src/test/java/com')

diff --git a/chapter07/src/test/java/com/seaofnodes/simple/Chapter02Test.java b/chapter07/src/test/java/com/seaofnodes/simple/Chapter02Test.java
index 47cee096..a6075b75 100644
--- a/chapter07/src/test/java/com/seaofnodes/simple/Chapter02Test.java
+++ b/chapter07/src/test/java/com/seaofnodes/simple/Chapter02Test.java
@@ -11,10 +11,8 @@ public class Chapter02Test {
     @Test
     public void testParseGrammar() {
         Parser parser = new Parser("return 1+2*3+-5;");
-        Node._disablePeephole = true; // disable peephole so we can observe full graph
         StopNode ret = parser.parse();
-        assertEquals("return (1+((2*3)+(-5)));", ret.print());
-        Node._disablePeephole = false;
+        assertEquals("return 2;", ret.print());
     }
 
     @Test
diff --git a/chapter07/src/test/java/com/seaofnodes/simple/Chapter03Test.java b/chapter07/src/test/java/com/seaofnodes/simple/Chapter03Test.java
index 1e67cef5..12201ca0 100644
--- a/chapter07/src/test/java/com/seaofnodes/simple/Chapter03Test.java
+++ b/chapter07/src/test/java/com/seaofnodes/simple/Chapter03Test.java
@@ -29,15 +29,6 @@ public class Chapter03Test {
         assertEquals("return 4;", ret.print());
     }
 
-    @Test
-    public void testVarScopeNoPeephole() {
-        Parser parser = new Parser("int a=1; int b=2; int c=0; { int b=3; c=a+b; } return c;");
-        Node._disablePeephole = true;
-        StopNode ret = parser.parse();
-        Node._disablePeephole = false;
-        assertEquals("return (1+3);", ret.print());
-    }
-
     @Test
     public void testVarDist() {
         Parser parser = new Parser("int x0=1; int y0=2; int x1=3; int y1=4; return (x0-x1)*(x0-x1) + (y0-y1)*(y0-y1);");
diff --git a/chapter07/src/test/java/com/seaofnodes/simple/Chapter07Test.java b/chapter07/src/test/java/com/seaofnodes/simple/Chapter07Test.java
index 189fcf66..fb8dbcca 100644
--- a/chapter07/src/test/java/com/seaofnodes/simple/Chapter07Test.java
+++ b/chapter07/src/test/java/com/seaofnodes/simple/Chapter07Test.java
@@ -17,11 +17,9 @@ public class Chapter07Test {
                 }
                 return arg;
                 """);
-        Node._disablePeephole = true;
         StopNode stop = parser.parse();
         assertEquals("return Phi(Loop6,arg,(Phi_arg+1));", stop.toString());
         assertTrue(stop.ret().ctrl() instanceof ProjNode);
-        Node._disablePeephole = false;
     }
 
     @Test
@@ -72,11 +70,9 @@ while(a < 10) {
 }
 return b;
 """);
-        Node._disablePeephole = true;
         StopNode stop = parser.parse();
         assertEquals("return Phi(Loop8,2,Phi(Region27,Phi_b,4));", stop.toString());
         assertTrue(stop.ret().ctrl() instanceof ProjNode);
-        Node._disablePeephole = false;
     }
 
     @Test
@@ -110,11 +106,9 @@ while(a < 10) {
 }
 return a;
 """);
-        Node._disablePeephole = true;
         StopNode stop = parser.parse();
-        assertEquals("return Phi(Loop7,1,((Phi_a+1)+2));", stop.toString());
+        assertEquals("return Phi(Loop7,1,(Phi_a+3));", stop.toString());
         assertTrue(stop.ret().ctrl() instanceof ProjNode);
-        Node._disablePeephole = false;
     }
 
     @Test
@@ -141,11 +135,9 @@ int a = 1;
 while(arg) a = 2;
 return a;
 """);
-        Node._disablePeephole = true;
         StopNode stop = parser.parse();
         assertEquals("return Phi(Loop7,1,2);", stop.toString());
         assertTrue(stop.ret().ctrl() instanceof ProjNode);
-        Node._disablePeephole = false;
     }
 
     @Test
@@ -172,11 +164,9 @@ while(a < 10) {
 }
 return a;
 """);
-        Node._disablePeephole = true;
         StopNode stop = parser.parse();
-        assertEquals("return Phi(Loop7,1,((Phi_a+1)+2));", stop.toString());
+        assertEquals("return Phi(Loop7,1,(Phi_a+3));", stop.toString());
         assertTrue(stop.ret().ctrl() instanceof ProjNode);
-        Node._disablePeephole = false;
     }
 
     @Test
@@ -207,11 +197,9 @@ while(a < 10) {
 }
 return a;
 """);
-        Node._disablePeephole = true;
         StopNode stop = parser.parse();
-        assertEquals("return Phi(Loop8,1,((Phi_a+1)+2));", stop.toString());
+        assertEquals("return Phi(Loop8,1,(Phi_a+3));", stop.toString());
         assertTrue(stop.ret().ctrl() instanceof ProjNode);
-        Node._disablePeephole = false;
     }
 
     @Test
-- 
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