- // MIR for `unchecked` before LowerIntrinsics
+ // MIR for `unchecked` after LowerIntrinsics
  
  fn unchecked(_1: i32, _2: i32) -> () {
      debug a => _1;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:25: +0:26
      debug b => _2;                       // in scope 0 at $DIR/lower_intrinsics.rs:+0:33: +0:34
      let mut _0: ();                      // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:41: +0:41
      let _3: i32;                         // in scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:11
      let mut _4: i32;                     // in scope 0 at $DIR/lower_intrinsics.rs:+1:46: +1:47
      let mut _5: i32;                     // in scope 0 at $DIR/lower_intrinsics.rs:+1:49: +1:50
      let mut _7: i32;                     // in scope 0 at $DIR/lower_intrinsics.rs:+2:46: +2:47
      let mut _8: i32;                     // in scope 0 at $DIR/lower_intrinsics.rs:+2:49: +2:50
      scope 1 {
          debug _x => _3;                  // in scope 1 at $DIR/lower_intrinsics.rs:+1:9: +1:11
          let _6: i32;                     // in scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:11
          scope 2 {
              debug _y => _6;              // in scope 2 at $DIR/lower_intrinsics.rs:+2:9: +2:11
          }
      }
  
      bb0: {
          StorageLive(_3);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:11
          StorageLive(_4);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:46: +1:47
          _4 = _1;                         // scope 0 at $DIR/lower_intrinsics.rs:+1:46: +1:47
          StorageLive(_5);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:49: +1:50
          _5 = _2;                         // scope 0 at $DIR/lower_intrinsics.rs:+1:49: +1:50
-         _3 = unchecked_div::<i32>(move _4, move _5) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:51
-                                          // mir::Constant
-                                          // + span: $DIR/lower_intrinsics.rs:16:14: 16:45
-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(i32, i32) -> i32 {unchecked_div::<i32>}, val: Value(<ZST>) }
+         _3 = Div(move _4, move _5);      // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:51
+         goto -> bb1;                     // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:51
      }
  
      bb1: {
          StorageDead(_5);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:50: +1:51
          StorageDead(_4);                 // scope 0 at $DIR/lower_intrinsics.rs:+1:50: +1:51
          StorageLive(_6);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:11
          StorageLive(_7);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:46: +2:47
          _7 = _1;                         // scope 1 at $DIR/lower_intrinsics.rs:+2:46: +2:47
          StorageLive(_8);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:49: +2:50
          _8 = _2;                         // scope 1 at $DIR/lower_intrinsics.rs:+2:49: +2:50
-         _6 = unchecked_rem::<i32>(move _7, move _8) -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:51
-                                          // mir::Constant
-                                          // + span: $DIR/lower_intrinsics.rs:17:14: 17:45
-                                          // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(i32, i32) -> i32 {unchecked_rem::<i32>}, val: Value(<ZST>) }
+         _6 = Rem(move _7, move _8);      // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:51
+         goto -> bb2;                     // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:51
      }
  
      bb2: {
          StorageDead(_8);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:50: +2:51
          StorageDead(_7);                 // scope 1 at $DIR/lower_intrinsics.rs:+2:50: +2:51
          _0 = const ();                   // scope 0 at $DIR/lower_intrinsics.rs:+0:41: +3:2
          StorageDead(_6);                 // scope 1 at $DIR/lower_intrinsics.rs:+3:1: +3:2
          StorageDead(_3);                 // scope 0 at $DIR/lower_intrinsics.rs:+3:1: +3:2
          return;                          // scope 0 at $DIR/lower_intrinsics.rs:+3:2: +3:2
      }
  }