- // MIR for `main` before CleanupPostBorrowck
+ // MIR for `main` after CleanupPostBorrowck
  
  fn main() -> () {
      let mut _0: ();
      let mut _1: bool;
  
      coverage branch { true: BlockMarkerId(0), false: BlockMarkerId(1) } => $DIR/instrument_coverage_cleanup.rs:14:8: 14:36 (#0)
  
      coverage body span: $DIR/instrument_coverage_cleanup.rs:13:11: 15:2 (#0)
      coverage ExpressionId(0) => Expression { lhs: Counter(0), op: Subtract, rhs: Counter(1) };
      coverage Code(Counter(0)) => $DIR/instrument_coverage_cleanup.rs:13:1: 14:36 (#0);
      coverage Code(Expression(0)) => $DIR/instrument_coverage_cleanup.rs:14:37: 14:39 (#0);
      coverage Code(Counter(1)) => $DIR/instrument_coverage_cleanup.rs:14:39: 14:39 (#0);
      coverage Code(Counter(0)) => $DIR/instrument_coverage_cleanup.rs:15:2: 15:2 (#0);
      coverage Branch { true_term: Expression(0), false_term: Counter(1) } => $DIR/instrument_coverage_cleanup.rs:14:8: 14:36 (#0);
  
      bb0: {
          Coverage::CounterIncrement(0);
-         Coverage::SpanMarker;
+         nop;
          StorageLive(_1);
          _1 = std::hint::black_box::<bool>(const true) -> [return: bb1, unwind: bb5];
      }
  
      bb1: {
          switchInt(move _1) -> [0: bb3, otherwise: bb2];
      }
  
      bb2: {
          Coverage::CounterIncrement(1);
-         Coverage::BlockMarker(1);
+         nop;
          _0 = const ();
          goto -> bb4;
      }
  
      bb3: {
          Coverage::ExpressionUsed(0);
-         Coverage::BlockMarker(0);
+         nop;
          _0 = const ();
          goto -> bb4;
      }
  
      bb4: {
          StorageDead(_1);
          return;
      }
  
      bb5 (cleanup): {
          resume;
      }
  }