- // MIR for `opt_multiple_ifs` before SimplifyComparisonIntegral
+ // MIR for `opt_multiple_ifs` after SimplifyComparisonIntegral
  
  fn opt_multiple_ifs(_1: u32) -> u32 {
      debug x => _1;                       // in scope 0 at $DIR/if_condition_int.rs:+0:21: +0:22
      let mut _0: u32;                     // return place in scope 0 at $DIR/if_condition_int.rs:+0:32: +0:35
      let mut _2: bool;                    // in scope 0 at $DIR/if_condition_int.rs:+1:8: +1:15
      let mut _3: u32;                     // in scope 0 at $DIR/if_condition_int.rs:+1:8: +1:9
      let mut _4: bool;                    // in scope 0 at $DIR/if_condition_int.rs:+3:15: +3:22
      let mut _5: u32;                     // in scope 0 at $DIR/if_condition_int.rs:+3:15: +3:16
  
      bb0: {
          StorageLive(_2);                 // scope 0 at $DIR/if_condition_int.rs:+1:8: +1:15
          StorageLive(_3);                 // scope 0 at $DIR/if_condition_int.rs:+1:8: +1:9
          _3 = _1;                         // scope 0 at $DIR/if_condition_int.rs:+1:8: +1:9
-         _2 = Eq(move _3, const 42_u32);  // scope 0 at $DIR/if_condition_int.rs:+1:8: +1:15
-         StorageDead(_3);                 // scope 0 at $DIR/if_condition_int.rs:+1:14: +1:15
-         switchInt(move _2) -> [0: bb2, otherwise: bb1]; // scope 0 at $DIR/if_condition_int.rs:+1:8: +1:15
+         nop;                             // scope 0 at $DIR/if_condition_int.rs:+1:8: +1:15
+         nop;                             // scope 0 at $DIR/if_condition_int.rs:+1:14: +1:15
+         switchInt(move _3) -> [42: bb1, otherwise: bb2]; // scope 0 at $DIR/if_condition_int.rs:+1:8: +1:15
      }
  
      bb1: {
+         StorageDead(_3);                 // scope 0 at $DIR/if_condition_int.rs:+1:8: +1:15
          _0 = const 0_u32;                // scope 0 at $DIR/if_condition_int.rs:+2:9: +2:10
          goto -> bb6;                     // scope 0 at $DIR/if_condition_int.rs:+1:5: +7:6
      }
  
      bb2: {
+         StorageDead(_3);                 // scope 0 at $DIR/if_condition_int.rs:+1:8: +1:15
          StorageLive(_4);                 // scope 0 at $DIR/if_condition_int.rs:+3:15: +3:22
          StorageLive(_5);                 // scope 0 at $DIR/if_condition_int.rs:+3:15: +3:16
          _5 = _1;                         // scope 0 at $DIR/if_condition_int.rs:+3:15: +3:16
-         _4 = Ne(move _5, const 21_u32);  // scope 0 at $DIR/if_condition_int.rs:+3:15: +3:22
-         StorageDead(_5);                 // scope 0 at $DIR/if_condition_int.rs:+3:21: +3:22
-         switchInt(move _4) -> [0: bb4, otherwise: bb3]; // scope 0 at $DIR/if_condition_int.rs:+3:15: +3:22
+         nop;                             // scope 0 at $DIR/if_condition_int.rs:+3:15: +3:22
+         nop;                             // scope 0 at $DIR/if_condition_int.rs:+3:21: +3:22
+         switchInt(move _5) -> [21: bb4, otherwise: bb3]; // scope 0 at $DIR/if_condition_int.rs:+3:15: +3:22
      }
  
      bb3: {
+         StorageDead(_5);                 // scope 0 at $DIR/if_condition_int.rs:+3:15: +3:22
          _0 = const 1_u32;                // scope 0 at $DIR/if_condition_int.rs:+4:9: +4:10
          goto -> bb5;                     // scope 0 at $DIR/if_condition_int.rs:+3:12: +7:6
      }
  
      bb4: {
+         StorageDead(_5);                 // scope 0 at $DIR/if_condition_int.rs:+3:15: +3:22
          _0 = const 2_u32;                // scope 0 at $DIR/if_condition_int.rs:+6:9: +6:10
          goto -> bb5;                     // scope 0 at $DIR/if_condition_int.rs:+3:12: +7:6
      }
  
      bb5: {
          StorageDead(_4);                 // scope 0 at $DIR/if_condition_int.rs:+7:5: +7:6
          goto -> bb6;                     // scope 0 at $DIR/if_condition_int.rs:+1:5: +7:6
      }
  
      bb6: {
          StorageDead(_2);                 // scope 0 at $DIR/if_condition_int.rs:+7:5: +7:6
          return;                          // scope 0 at $DIR/if_condition_int.rs:+8:2: +8:2
      }
  }