--- a/python/ir/instruction.py	Fri Apr 19 22:15:54 2013 +0200
+++ b/python/ir/instruction.py	Sat Apr 20 12:00:51 2013 +0200
@@ -6,15 +6,9 @@
    def __init__(self, name):
       # TODO: add typing? for now only handle integers
       self.name = name
-      self.interferes = set()
-      self.reg = None
       self.used_by = []
    def __repr__(self):
-      if self.reg:
-         n = self.reg
-      else:
-         n = self.name
-      return '{0}'.format(n) # + str(self.IsUsed)
+      return '{0}'.format(self.name) # + str(self.IsUsed)
    @property
    def IsUsed(self):
       return len(self.used_by) > 0