- // MIR for `cycle` before DeadStoreElimination-initial
+ // MIR for `cycle` after DeadStoreElimination-initial
  
  fn cycle(_1: i32, _2: i32, _3: i32) -> () {
      let mut _0: ();
      let mut _4: bool;
      let mut _5: i32;
  
      bb0: {
          _4 = cond() -> [return: bb1, unwind continue];
      }
  
      bb1: {
          switchInt(copy _4) -> [1: bb2, otherwise: bb3];
      }
  
      bb2: {
-         _5 = copy _3;
-         _3 = copy _2;
-         _2 = copy _1;
-         _1 = copy _5;
+         nop;
+         nop;
+         nop;
+         nop;
          _4 = cond() -> [return: bb1, unwind continue];
      }
  
      bb3: {
          return;
      }
  }