- // MIR for `foo` before DataflowConstProp
+ // MIR for `foo` after DataflowConstProp
  
  fn foo() -> u32 {
      let mut _0: u32;
      let _1: (u32, u32);
      let mut _4: bool;
      let mut _5: u32;
      scope 1 {
          debug a => _1;
          let _2: (u32, u32);
          scope 2 {
              debug b => _2;
              let _3: u32;
              scope 3 {
                  debug c => _3;
              }
          }
      }
  
      bb0: {
          StorageLive(_1);
          _1 = const Foo;
          StorageLive(_2);
-         _2 = copy _1;
+         _2 = const (5_u32, 3_u32);
          StorageLive(_3);
-         _3 = copy (_2.1: u32);
+         _3 = const 3_u32;
          StorageLive(_4);
          StorageLive(_5);
-         _5 = copy _3;
-         _4 = Ge(move _5, const 2_u32);
-         switchInt(move _4) -> [0: bb2, otherwise: bb1];
+         _5 = const 3_u32;
+         _4 = const true;
+         switchInt(const true) -> [0: bb2, otherwise: bb1];
      }
  
      bb1: {
          StorageDead(_5);
-         _0 = copy (_2.0: u32);
+         _0 = const 5_u32;
          goto -> bb3;
      }
  
      bb2: {
          StorageDead(_5);
          _0 = const 13_u32;
          goto -> bb3;
      }
  
      bb3: {
          StorageDead(_4);
          StorageDead(_3);
          StorageDead(_2);
          StorageDead(_1);
          return;
      }
  }
+ 
+ ALLOC0 (size: 8, align: 4) { .. }