rust/tests/mir-opt/matches_reduce_branches.match_u8_i8.MatchBranchSimplification.diff

- // MIR for `match_u8_i8` before MatchBranchSimplification
+ // MIR for `match_u8_i8` after MatchBranchSimplification
  
  fn match_u8_i8(_1: EnumAu8) -> i8 {
      debug i => _1;
      let mut _0: i8;
      let mut _2: u8;
+     let mut _3: u8;
  
      bb0: {
          _2 = discriminant(_1);
-         switchInt(move _2) -> [0: bb5, 127: bb4, 128: bb3, 255: bb2, otherwise: bb1];
-     }
- 
-     bb1: {
-         unreachable;
-     }
- 
-     bb2: {
-         _0 = const -1_i8;
-         goto -> bb6;
-     }
- 
-     bb3: {
-         _0 = const i8::MIN;
-         goto -> bb6;
-     }
- 
-     bb4: {
-         _0 = const i8::MAX;
-         goto -> bb6;
-     }
- 
-     bb5: {
-         _0 = const 0_i8;
-         goto -> bb6;
-     }
- 
-     bb6: {
+         StorageLive(_3);
+         _3 = move _2;
+         _0 = copy _3 as i8 (IntToInt);
+         StorageDead(_3);
          return;
      }
  }