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

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