src/test/mir-opt/simplify_arm.id_result.SimplifyBranchSame.diff

   1 - // MIR for `id_result` before SimplifyBranchSame
   2 + // MIR for `id_result` after SimplifyBranchSame
   3
   4   fn id_result(_1: Result<u8, i32>) -> Result<u8, i32> {
   5       debug r => _1;                       // in scope 0 at $DIR/simplify-arm.rs:16:14: 16:15
   6       let mut _0: std::result::Result<u8, i32>; // return place in scope 0 at $DIR/simplify-arm.rs:16:37: 16:52
   7       let mut _2: isize;                   // in scope 0 at $DIR/simplify-arm.rs:18:9: 18:14
   8       let _3: u8;                          // in scope 0 at $DIR/simplify-arm.rs:18:12: 18:13
   9       let mut _4: u8;                      // in scope 0 at $DIR/simplify-arm.rs:18:21: 18:22
  10       let _5: i32;                         // in scope 0 at $DIR/simplify-arm.rs:19:13: 19:14
  11       let mut _6: i32;                     // in scope 0 at $DIR/simplify-arm.rs:19:23: 19:24
  12       scope 1 {
  13           debug x => ((_0 as Ok).0: u8);   // in scope 1 at $DIR/simplify-arm.rs:18:12: 18:13
  14       }
  15       scope 2 {
  16           debug y => ((_0 as Err).0: i32); // in scope 2 at $DIR/simplify-arm.rs:19:13: 19:14
  17       }
  18
  19       bb0: {
  20           _2 = discriminant(_1);           // scope 0 at $DIR/simplify-arm.rs:18:9: 18:14
  21 -         switchInt(move _2) -> [0_isize: bb3, 1_isize: bb1, otherwise: bb2]; // scope 0 at $DIR/simplify-arm.rs:18:9: 18:14
  22 +         goto -> bb1;                     // scope 0 at $DIR/simplify-arm.rs:18:9: 18:14
  23       }
  24
  25       bb1: {
  26 -         _0 = move _1;                    // scope 2 at $DIR/simplify-arm.rs:19:19: 19:25
  27 -         goto -> bb4;                     // scope 0 at $DIR/simplify-arm.rs:17:5: 20:6
  28 -     }
  29 -
  30 -     bb2: {
  31 -         unreachable;                     // scope 0 at $DIR/simplify-arm.rs:17:11: 17:12
  32 -     }
  33 -
  34 -     bb3: {
  35           _0 = move _1;                    // scope 1 at $DIR/simplify-arm.rs:18:18: 18:23
  36 -         goto -> bb4;                     // scope 0 at $DIR/simplify-arm.rs:17:5: 20:6
  37 +         goto -> bb2;                     // scope 0 at $DIR/simplify-arm.rs:17:5: 20:6
  38       }
  39
  40 -     bb4: {
  41 +     bb2: {
  42           return;                          // scope 0 at $DIR/simplify-arm.rs:21:2: 21:2
  43       }
  44   }
  45