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-rw-r--r--chapter03/src/main/java/com/seaofnodes/simple/node/Node.java11
-rw-r--r--chapter03/src/test/java/com/seaofnodes/simple/Chapter02Test.java4
-rw-r--r--chapter03/src/test/java/com/seaofnodes/simple/Chapter03Test.java9
3 files changed, 2 insertions, 22 deletions
diff --git a/chapter03/src/main/java/com/seaofnodes/simple/node/Node.java b/chapter03/src/main/java/com/seaofnodes/simple/node/Node.java
index 3922533c..3fa0fd1e 100644
--- a/chapter03/src/main/java/com/seaofnodes/simple/node/Node.java
+++ b/chapter03/src/main/java/com/seaofnodes/simple/node/Node.java
@@ -211,12 +211,6 @@ public abstract class Node {
// Mostly used for asserts and printing.
public boolean isDead() { return isUnused() && nIns()==0 && _type==null; }
/**
- * 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>
@@ -241,9 +235,6 @@ 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()) {
kill(); // Kill `this` because replacing with a Constant
@@ -283,7 +274,7 @@ 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
diff --git a/chapter03/src/test/java/com/seaofnodes/simple/Chapter02Test.java b/chapter03/src/test/java/com/seaofnodes/simple/Chapter02Test.java
index 9de09d21..6c816a23 100644
--- a/chapter03/src/test/java/com/seaofnodes/simple/Chapter02Test.java
+++ b/chapter03/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
ReturnNode ret = parser.parse();
- assertEquals("return (1+((2*3)+(-5)));", ret.print());
- Node._disablePeephole = false;
+ assertEquals("return 2;", ret.print());
}
@Test
diff --git a/chapter03/src/test/java/com/seaofnodes/simple/Chapter03Test.java b/chapter03/src/test/java/com/seaofnodes/simple/Chapter03Test.java
index b42f1433..78696633 100644
--- a/chapter03/src/test/java/com/seaofnodes/simple/Chapter03Test.java
+++ b/chapter03/src/test/java/com/seaofnodes/simple/Chapter03Test.java
@@ -29,15 +29,6 @@ public class Chapter03Test {
}
@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;
- ReturnNode 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); ");
ReturnNode ret = parser.parse();