diff -r c112a6cb5e52 -r 183663740fb7 Attic/bench.prs
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Attic/bench.prs	Mon Feb 03 01:10:16 2020 +0000
@@ -0,0 +1,133 @@
+val bench = List(
+  ArrayDef("mem", 30000),
+  Assign("ptr", Num(15000)),
+  Assign("ptr", Aop("+", Var("ptr"), Num(1))),
+  AssignA("mem", Var("ptr"), Aop("+", Ref("mem", Var("ptr")), Num(2))),
+  While(
+    Bop("!=", Ref("mem", Var("ptr")), Num(0)),
+    List(
+      Assign("ptr", Aop("-", Var("ptr"), Num(1))),
+      AssignA("mem", Var("ptr"), Aop("+", Ref("mem", Var("ptr")), Num(13))),
+      Assign("ptr", Aop("+", Var("ptr"), Num(1))),
+      AssignA("mem", Var("ptr"), Aop("-", Ref("mem", Var("ptr")), Num(1))),
+      Skip
+    )
+  ),
+  Assign("ptr", Aop("-", Var("ptr"), Num(1))),
+  While(
+    Bop("!=", Ref("mem", Var("ptr")), Num(0)),
+    List(
+      While(
+        Bop("!=", Ref("mem", Var("ptr")), Num(0)),
+        List(
+          Assign("ptr", Aop("+", Var("ptr"), Num(1))),
+          AssignA("mem", Var("ptr"), Aop("+", Ref("mem", Var("ptr")), Num(1))),
+          Assign("ptr", Aop("+", Var("ptr"), Num(1))),
+          AssignA("mem", Var("ptr"), Aop("+", Ref("mem", Var("ptr")), Num(1))),
+          Assign("ptr", Aop("-", Var("ptr"), Num(2))),
+          AssignA("mem", Var("ptr"), Aop("-", Ref("mem", Var("ptr")), Num(1))),
+          Skip
+        )
+      ),
+      Assign("ptr", Aop("+", Var("ptr"), Num(1))),
+      While(
+        Bop("!=", Ref("mem", Var("ptr")), Num(0)),
+        List(
+          Assign("ptr", Aop("-", Var("ptr"), Num(1))),
+          AssignA("mem", Var("ptr"), Aop("+", Ref("mem", Var("ptr")), Num(1))),
+          Assign("ptr", Aop("+", Var("ptr"), Num(1))),
+          AssignA("mem", Var("ptr"), Aop("-", Ref("mem", Var("ptr")), Num(1))),
+          Skip
+        )
+      ),
+      AssignA("mem", Var("ptr"), Aop("+", Ref("mem", Var("ptr")), Num(8))),
+      While(
+        Bop("!=", Ref("mem", Var("ptr")), Num(0)),
+        List(
+          Assign("ptr", Aop("+", Var("ptr"), Num(1))),
+          AssignA("mem", Var("ptr"), Aop("+", Ref("mem", Var("ptr")), Num(8))),
+          Assign("ptr", Aop("-", Var("ptr"), Num(1))),
+          AssignA("mem", Var("ptr"), Aop("-", Ref("mem", Var("ptr")), Num(1))),
+          Skip
+        )
+      ),
+      Assign("ptr", Aop("+", Var("ptr"), Num(1))),
+      Assign("x", Ref("mem", Var("ptr"))),
+      Write("x"),
+      AssignA("mem", Var("ptr"), Num(0)),
+      Assign("ptr", Aop("-", Var("ptr"), Num(2))),
+      Assign("ptr", Aop("+", Var("ptr"), Num(1))),
+      AssignA("mem", Var("ptr"), Aop("+", Ref("mem", Var("ptr")), Num(10))),
+      While(
+        Bop("!=", Ref("mem", Var("ptr")), Num(0)),
+        List(
+          Assign("ptr", Aop("+", Var("ptr"), Num(1))),
+          AssignA("mem", Var("ptr"), Aop("+", Ref("mem", Var("ptr")), Num(10))),
+          While(
+            Bop("!=", Ref("mem", Var("ptr")), Num(0)),
+            List(
+              Assign("ptr", Aop("+", Var("ptr"), Num(1))),
+              AssignA("mem", Var("ptr"), Aop("+", Ref("mem", Var("ptr")), Num(2))),
+              AssignA("mem", Var("ptr"), Aop("+", Ref("mem", Var("ptr")), Num(8))),
+              While(
+                Bop("!=", Ref("mem", Var("ptr")), Num(0)),
+                List(
+                  Assign("ptr", Aop("+", Var("ptr"), Num(1))),
+                  AssignA("mem", Var("ptr"), Aop("+", Ref("mem", Var("ptr")), Num(10))),
+                  While(
+                    Bop("!=", Ref("mem", Var("ptr")), Num(0)),
+                    List(
+                      Assign("ptr", Aop("+", Var("ptr"), Num(1))),
+                      AssignA("mem", Var("ptr"), Aop("+", Ref("mem", Var("ptr")), Num(10))),
+                      While(
+                        Bop("!=", Ref("mem", Var("ptr")), Num(0)),
+                        List(
+                          Assign("ptr", Aop("+", Var("ptr"), Num(1))),
+                          AssignA("mem", Var("ptr"), Aop("+", Ref("mem", Var("ptr")), Num(10))),
+                          While(
+                            Bop("!=", Ref("mem", Var("ptr")), Num(0)),
+                            List(
+                              Assign("ptr", Aop("+", Var("ptr"), Num(1))),
+                              AssignA("mem", Var("ptr"), Aop("+", Ref("mem", Var("ptr")), Num(1))),
+                              AssignA("mem", Var("ptr"), Aop("+", Ref("mem", Var("ptr")), Num(9))),
+                              AssignA("mem", Var("ptr"), Num(0)),
+                              Assign("ptr", Aop("-", Var("ptr"), Num(1))),
+                              AssignA("mem", Var("ptr"), Aop("-", Ref("mem", Var("ptr")), Num(1))),
+                              Skip
+                            )
+                          ),
+                          Assign("ptr", Aop("-", Var("ptr"), Num(1))),
+                          AssignA("mem", Var("ptr"), Aop("-", Ref("mem", Var("ptr")), Num(1))),
+                          Skip
+                        )
+                      ),
+                      Assign("ptr", Aop("-", Var("ptr"), Num(1))),
+                      AssignA("mem", Var("ptr"), Aop("-", Ref("mem", Var("ptr")), Num(1))),
+                      Skip
+                    )
+                  ),
+                  Assign("ptr", Aop("-", Var("ptr"), Num(1))),
+                  AssignA("mem", Var("ptr"), Aop("-", Ref("mem", Var("ptr")), Num(1))),
+                  Skip
+                )
+              ),
+              Assign("ptr", Aop("-", Var("ptr"), Num(1))),
+              AssignA("mem", Var("ptr"), Aop("-", Ref("mem", Var("ptr")), Num(1))),
+              Skip
+            )
+          ),
+          Assign("ptr", Aop("-", Var("ptr"), Num(1))),
+          AssignA("mem", Var("ptr"), Aop("-", Ref("mem", Var("ptr")), Num(1))),
+          Skip
+        )
+      ),
+      Assign("ptr", Aop("-", Var("ptr"), Num(1))),
+      AssignA("mem", Var("ptr"), Aop("-", Ref("mem", Var("ptr")), Num(1))),
+      Skip
+    )
+  ),
+  AssignA("mem", Var("ptr"), Aop("+", Ref("mem", Var("ptr")), Num(10))),
+  Assign("x", Ref("mem", Var("ptr"))),
+  Write("x"),
+  Skip
+)
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