Rewrote the initialize-register pass, now correctly implemented

with a new IR construct - Null. LetRec is not implemented, but is
marked with a TODO.

Test cases for this pass are now located in
test/passes/initialize-register

3 files changed, 0 insertions, 61 deletions

diff --git a/test/unit/gcd.fir b/test/unit/gcd.fir
deleted file mode 100644
index e6f28c21..00000000
--- a/test/unit/gcd.fir
+++ /dev/null
@@ -1,48 +0,0 @@
-; RUN: firrtl %s ab | tee %s.out | FileCheck %s
-
-circuit top :
-   module subtracter :
-      input x : UInt
-      input y : UInt
-      output z : UInt
-      z := sub-mod(x, y)
-; CHECK: port:z := sub-mod(port:x, port:y)
-   module gcd :
-      input a : UInt(16)
-      input b : UInt(16)
-      input e : UInt(1)
-      output z : UInt(16)
-      output v : UInt(1)
-      reg x : UInt
-      reg y : UInt
-      x.init := UInt(0)
-      y.init := UInt(42)
-      when greater(x, y) :
-         inst s of subtracter
-         s.x := x
-; CHECK: inst:s.x := reg:x
-         s.y := y
-         x := s.z
-      else :
-         inst s2 of subtracter
-         s2.x := x
-         s2.y := y
-         y := s2.z
-      when e :
-         x := a
-         y := b
-      v := equal(v, UInt(0))
-      z := x
-   module top :
-      input a : UInt(16)
-      input b : UInt(16)
-      output z : UInt
-      inst i of gcd
-; CHECK: inst i of module:gcd
-      i.a := a
-      i.b := b
-      i.e := UInt(1)
-      z := i.z
-; CHECK: port:z := inst:i.z
-
-
diff --git a/test/unit/hello.fir b/test/unit/hello.fir
deleted file mode 100644
index 4a905ab9..00000000
--- a/test/unit/hello.fir
+++ /dev/null
@@ -1,2 +0,0 @@
-# RUN: echo hello | FileCheck %s
-# CHECK: hello
diff --git a/test/unit/simple.fir b/test/unit/simple.fir
deleted file mode 100644
index d00f8f7a..00000000
--- a/test/unit/simple.fir
+++ /dev/null
@@ -1,11 +0,0 @@
-; RUN: firrtl %s ab | tee %s.out | FileCheck %s
-
-circuit top :
-   module subtracter :
-      input x : UInt
-      input y : UInt
-      output z : UInt
-      z := sub-mod(x, y)
-; CHECK: output z : UInt
-; CHECK: port:z := sub-mod(port:x, port:y)
-