ivar tests work

bit of slot find replace

test/vool/to_mom/test_ivar.rb

@@ -6,32 +6,32 @@ module Vool
 
     def setup
       Risc.machine.boot
-      @method = compile_first_method( "@a = 5")
+      @ins = compile_first_method( "@a = 5")
     end
 
     def test_compiles_not_array
       assert Array != @stats.class , @stats
     end
     def test_class_compiles
-      assert_equal Mom::SlotConstant , @method.first.class , @method
+      assert_equal Mom::SlotLoad , @ins.class , @ins
     end
     def test_slot_is_set
-      assert @method.first.left
+      assert @ins.left
     end
     def test_slot_starts_at_message
-      assert_equal :message , @method.first.left.known_object
+      assert_equal :message , @ins.left.known_object
     end
     def test_slot_gets_self
-      assert_equal :receiver , @method.first.left.slots[0]
+      assert_equal :receiver , @ins.left.slots[0]
     end
     def test_slot_assigns_to_local
-      assert_equal :a , @method.first.left.slots[-1]
+      assert_equal :a , @ins.left.slots[-1]
     end
     def test_slot_assigns_something
-      assert @method.first.right
+      assert @ins.right
     end
     def test_slot_assigns_int
-      assert_equal Mom::IntegerConstant ,  @method.first.right.class
+      assert_equal Mom::IntegerConstant ,  @ins.right.class
     end
   end
 end