src/test/mir-opt/uninhabited_fallthrough_elimination.eliminate_fallthrough.UninhabitedEnumBranching.diff

   1 - // MIR for `eliminate_fallthrough` before UninhabitedEnumBranching
   2 + // MIR for `eliminate_fallthrough` after UninhabitedEnumBranching
   3
   4   fn eliminate_fallthrough(_1: S) -> u32 {
   5       debug s => _1;                       // in scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:21:26: 21:27
   6       let mut _0: u32;                     // return place in scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:21:35: 21:38
   7       let mut _2: isize;                   // in scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:23:9: 23:10
   8
   9       bb0: {
  10           _2 = discriminant(_1);           // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:22:11: 22:12
  11 -         switchInt(move _2) -> [1_isize: bb3, 2_isize: bb2, otherwise: bb1]; // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:22:5: 22:12
  12 +         switchInt(move _2) -> [1_isize: bb3, 2_isize: bb2, otherwise: bb5]; // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:22:5: 22:12
  13       }
  14
  15       bb1: {
  16           _0 = const 3_u32;                // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:25:14: 25:15
  17           goto -> bb4;                     // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:25:14: 25:15
  18       }
  19
  20       bb2: {
  21           _0 = const 1_u32;                // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:23:14: 23:15
  22           goto -> bb4;                     // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:23:14: 23:15
  23       }
  24
  25       bb3: {
  26           _0 = const 2_u32;                // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:24:14: 24:15
  27           goto -> bb4;                     // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:24:14: 24:15
  28       }
  29
  30       bb4: {
  31           return;                          // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:27:2: 27:2
  32 +     }
  33 +
  34 +     bb5: {
  35 +         unreachable;                     // scope 0 at $DIR/uninhabited_fallthrough_elimination.rs:25:14: 25:15
  36       }
  37   }
  38