rust/tests/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:+0:11: +0:12
      let mut _0: std::result::Result<u8, i32>; // return place in scope 0 at $DIR/simplify-arm.rs:+0:34: +0:49
      let _2: u8;                          // in scope 0 at $DIR/simplify-arm.rs:+1:9: +1:10
      let mut _3: std::result::Result<u8, i32>; // in scope 0 at $DIR/simplify-arm.rs:+1:19: +1:33
      let mut _4: std::result::Result<u8, i32>; // in scope 0 at $DIR/simplify-arm.rs:+1:31: +1:32
      let mut _5: isize;                   // in scope 0 at $DIR/simplify-arm.rs:+2:9: +2:15
      let _6: i32;                         // in scope 0 at $DIR/simplify-arm.rs:+2:13: +2:14
      let mut _7: !;                       // in scope 0 at $DIR/simplify-arm.rs:+2:19: +2:51
      let mut _8: i32;                     // in scope 0 at $DIR/simplify-arm.rs:+2:37: +2:50
      let mut _9: i32;                     // in scope 0 at $DIR/simplify-arm.rs:+2:48: +2:49
      let _10: u8;                         // in scope 0 at $DIR/simplify-arm.rs:+3:12: +3:13
      let mut _11: u8;                     // in scope 0 at $DIR/simplify-arm.rs:+5:8: +5:9
      scope 1 {
          debug x => _2;                   // in scope 1 at $DIR/simplify-arm.rs:+1:9: +1:10
      }
      scope 2 {
          debug e => _6;                   // in scope 2 at $DIR/simplify-arm.rs:+2:13: +2:14
          scope 5 (inlined <i32 as From<i32>>::from) { // at $DIR/simplify-arm.rs:37:37: 37:50
              debug t => _9;               // in scope 5 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
          }
          scope 6 (inlined from_error::<u8, i32>) { // at $DIR/simplify-arm.rs:37:26: 37:51
              debug e => _8;               // in scope 6 at $DIR/simplify-arm.rs:27:21: 27:22
          }
      }
      scope 3 {
          debug v => _10;                  // in scope 3 at $DIR/simplify-arm.rs:+3:12: +3:13
      }
      scope 4 (inlined into_result::<u8, i32>) { // at $DIR/simplify-arm.rs:36:19: 36:33
          debug r => _4;                   // in scope 4 at $DIR/simplify-arm.rs:23:22: 23:23
      }
  
      bb0: {
          StorageLive(_2);                 // scope 0 at $DIR/simplify-arm.rs:+1:9: +1:10
          StorageLive(_3);                 // scope 0 at $DIR/simplify-arm.rs:+1:19: +1:33
          StorageLive(_4);                 // scope 0 at $DIR/simplify-arm.rs:+1:31: +1:32
          _4 = _1;                         // scope 0 at $DIR/simplify-arm.rs:+1:31: +1:32
          _3 = move _4;                    // scope 4 at $DIR/simplify-arm.rs:24:5: 24:6
          StorageDead(_4);                 // scope 0 at $DIR/simplify-arm.rs:+1:32: +1:33
          _5 = discriminant(_3);           // scope 0 at $DIR/simplify-arm.rs:+1:19: +1:33
          switchInt(move _5) -> [0_isize: bb1, 1_isize: bb3, otherwise: bb2]; // scope 0 at $DIR/simplify-arm.rs:+1:13: +1:33
      }
  
      bb1: {
          StorageLive(_10);                // scope 0 at $DIR/simplify-arm.rs:+3:12: +3:13
          _10 = ((_3 as Ok).0: u8);        // scope 0 at $DIR/simplify-arm.rs:+3:12: +3:13
          _2 = _10;                        // scope 3 at $DIR/simplify-arm.rs:+3:18: +3:19
          StorageDead(_10);                // scope 0 at $DIR/simplify-arm.rs:+3:18: +3:19
          StorageDead(_3);                 // scope 0 at $DIR/simplify-arm.rs:+4:6: +4:7
          StorageLive(_11);                // scope 1 at $DIR/simplify-arm.rs:+5:8: +5:9
          _11 = _2;                        // scope 1 at $DIR/simplify-arm.rs:+5:8: +5:9
          Deinit(_0);                      // scope 1 at $DIR/simplify-arm.rs:+5:5: +5:10
          ((_0 as Ok).0: u8) = move _11;   // scope 1 at $DIR/simplify-arm.rs:+5:5: +5:10
          discriminant(_0) = 0;            // scope 1 at $DIR/simplify-arm.rs:+5:5: +5:10
          StorageDead(_11);                // scope 1 at $DIR/simplify-arm.rs:+5:9: +5:10
          StorageDead(_2);                 // scope 0 at $DIR/simplify-arm.rs:+6:1: +6:2
          goto -> bb4;                     // scope 0 at $DIR/simplify-arm.rs:+6:2: +6:2
      }
  
      bb2: {
          unreachable;                     // scope 0 at $DIR/simplify-arm.rs:+1:19: +1:33
      }
  
      bb3: {
          StorageLive(_6);                 // scope 0 at $DIR/simplify-arm.rs:+2:13: +2:14
          _6 = ((_3 as Err).0: i32);       // scope 0 at $DIR/simplify-arm.rs:+2:13: +2:14
          StorageLive(_8);                 // scope 2 at $DIR/simplify-arm.rs:+2:37: +2:50
          StorageLive(_9);                 // scope 2 at $DIR/simplify-arm.rs:+2:48: +2:49
          _9 = _6;                         // scope 2 at $DIR/simplify-arm.rs:+2:48: +2:49
          _8 = move _9;                    // scope 5 at $SRC_DIR/core/src/convert/mod.rs:LL:COL
          StorageDead(_9);                 // scope 2 at $DIR/simplify-arm.rs:+2:49: +2:50
          ((_0 as Err).0: i32) = move _8;  // scope 6 at $DIR/simplify-arm.rs:28:9: 28:10
          Deinit(_0);                      // scope 6 at $DIR/simplify-arm.rs:28:5: 28:11
          discriminant(_0) = 1;            // scope 6 at $DIR/simplify-arm.rs:28:5: 28:11
          StorageDead(_8);                 // scope 2 at $DIR/simplify-arm.rs:+2:50: +2:51
          StorageDead(_6);                 // scope 0 at $DIR/simplify-arm.rs:+2:50: +2:51
          StorageDead(_3);                 // scope 0 at $DIR/simplify-arm.rs:+4:6: +4:7
          StorageDead(_2);                 // scope 0 at $DIR/simplify-arm.rs:+6:1: +6:2
          goto -> bb4;                     // scope 0 at $DIR/simplify-arm.rs:+6:2: +6:2
      }
  
      bb4: {
          return;                          // scope 0 at $DIR/simplify-arm.rs:+6:2: +6:2
      }
  }