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

- // MIR for `id_try` before SimplifyBranchSame
+ // MIR for `id_try` after SimplifyBranchSame
  
  fn id_try(_1: Result<u8, i32>) -> Result<u8, i32> {
      debug r => _1;                       // in scope 0 at $DIR/simplify-arm.rs:23:11: 23:12
      let mut _0: std::result::Result<u8, i32>; // return place in scope 0 at $DIR/simplify-arm.rs:23:34: 23:49
      let _2: u8;                          // in scope 0 at $DIR/simplify-arm.rs:24:9: 24:10
      let mut _3: std::result::Result<u8, i32>; // in scope 0 at $DIR/simplify-arm.rs:24:13: 24:15
      let mut _4: std::result::Result<u8, i32>; // in scope 0 at $DIR/simplify-arm.rs:24:13: 24:14
      let mut _5: isize;                   // in scope 0 at $DIR/simplify-arm.rs:24:14: 24:15
      let _6: i32;                         // in scope 0 at $DIR/simplify-arm.rs:24:14: 24:15
      let mut _7: !;                       // in scope 0 at $DIR/simplify-arm.rs:24:14: 24:15
      let mut _8: i32;                     // in scope 0 at $DIR/simplify-arm.rs:24:14: 24:15
      let mut _9: i32;                     // in scope 0 at $DIR/simplify-arm.rs:24:14: 24:15
      let _10: u8;                         // in scope 0 at $DIR/simplify-arm.rs:24:13: 24:15
      let mut _11: u8;                     // in scope 0 at $DIR/simplify-arm.rs:25:8: 25:9
      scope 1 {
          debug x => ((_0 as Ok).0: u8);   // in scope 1 at $DIR/simplify-arm.rs:24:9: 24:10
      }
      scope 2 {
          debug err => ((_0 as Err).0: i32); // in scope 2 at $DIR/simplify-arm.rs:24:14: 24:15
          scope 3 {
              scope 7 (inlined <i32 as From<i32>>::from) { // at $DIR/simplify-arm.rs:24:14: 24:15
                  debug t => ((_0 as Err).0: i32); // in scope 7 at $DIR/simplify-arm.rs:24:14: 24:15
              }
              scope 8 (inlined <Result<u8, i32> as Try>::from_error) { // at $DIR/simplify-arm.rs:24:13: 24:15
                  debug v => ((_0 as Err).0: i32); // in scope 8 at $DIR/simplify-arm.rs:24:13: 24:15
                  let mut _12: i32;        // in scope 8 at $DIR/simplify-arm.rs:24:13: 24:15
              }
          }
      }
      scope 4 {
          debug val => ((_0 as Ok).0: u8); // in scope 4 at $DIR/simplify-arm.rs:24:13: 24:15
          scope 5 {
          }
      }
      scope 6 (inlined <Result<u8, i32> as Try>::into_result) { // at $DIR/simplify-arm.rs:24:13: 24:15
          debug self => _4;                // in scope 6 at $DIR/simplify-arm.rs:24:13: 24:15
      }
  
      bb0: {
          StorageLive(_2);                 // scope 0 at $DIR/simplify-arm.rs:24:9: 24:10
          StorageLive(_3);                 // scope 0 at $DIR/simplify-arm.rs:24:13: 24:15
          StorageLive(_4);                 // scope 0 at $DIR/simplify-arm.rs:24:13: 24:14
          _4 = _1;                         // scope 0 at $DIR/simplify-arm.rs:24:13: 24:14
          _3 = move _4;                    // scope 6 at $DIR/simplify-arm.rs:24:13: 24:15
          StorageDead(_4);                 // scope 0 at $DIR/simplify-arm.rs:24:14: 24:15
          _5 = discriminant(_3);           // scope 0 at $DIR/simplify-arm.rs:24:14: 24:15
-         switchInt(move _5) -> [0_isize: bb1, 1_isize: bb3, otherwise: bb2]; // scope 0 at $DIR/simplify-arm.rs:24:14: 24:15
+         goto -> bb1;                     // scope 0 at $DIR/simplify-arm.rs:24:14: 24:15
      }
  
      bb1: {
          _0 = move _3;                    // scope 1 at $DIR/simplify-arm.rs:25:5: 25:10
          StorageDead(_3);                 // scope 0 at $DIR/simplify-arm.rs:24:15: 24:16
          StorageDead(_2);                 // scope 0 at $DIR/simplify-arm.rs:26:1: 26:2
-         goto -> bb4;                     // scope 0 at $DIR/simplify-arm.rs:26:2: 26:2
+         goto -> bb2;                     // scope 0 at $DIR/simplify-arm.rs:26:2: 26:2
      }
  
      bb2: {
-         unreachable;                     // scope 0 at $DIR/simplify-arm.rs:24:13: 24:15
-     }
- 
-     bb3: {
-         _0 = move _3;                    // scope 8 at $DIR/simplify-arm.rs:24:13: 24:15
-         StorageDead(_3);                 // scope 0 at $DIR/simplify-arm.rs:24:15: 24:16
-         StorageDead(_2);                 // scope 0 at $DIR/simplify-arm.rs:26:1: 26:2
-         goto -> bb4;                     // scope 0 at $DIR/simplify-arm.rs:26:2: 26:2
-     }
- 
-     bb4: {
          return;                          // scope 0 at $DIR/simplify-arm.rs:26:2: 26:2
      }
  }