rust/tests/mir-opt/matches_u8.exhaustive_match_i8.MatchBranchSimplification.diff

- // MIR for `exhaustive_match_i8` before MatchBranchSimplification
+ // MIR for `exhaustive_match_i8` after MatchBranchSimplification
  
  fn exhaustive_match_i8(_1: E) -> i8 {
      debug e => _1;
      let mut _0: i8;
      let mut _2: isize;
+     let mut _3: isize;
  
      bb0: {
          _2 = discriminant(_1);
-         switchInt(move _2) -> [0: bb3, 1: bb2, otherwise: bb1];
-     }
- 
-     bb1: {
-         unreachable;
-     }
- 
-     bb2: {
-         _0 = const 1_i8;
-         goto -> bb4;
-     }
- 
-     bb3: {
-         _0 = const 0_i8;
-         goto -> bb4;
-     }
- 
-     bb4: {
+         StorageLive(_3);
+         _3 = move _2;
+         _0 = copy _3 as i8 (IntToInt);
+         StorageDead(_3);
          return;
      }
  }