rust/src/test/mir-opt/early_otherwise_branch.opt1.EarlyOtherwiseBranch.diff

- // MIR for `opt1` before EarlyOtherwiseBranch
+ // MIR for `opt1` after EarlyOtherwiseBranch
  
  fn opt1(_1: Option<u32>, _2: Option<u32>) -> u32 {
      debug x => _1;                       // in scope 0 at $DIR/early_otherwise_branch.rs:+0:9: +0:10
      debug y => _2;                       // in scope 0 at $DIR/early_otherwise_branch.rs:+0:25: +0:26
      let mut _0: u32;                     // return place in scope 0 at $DIR/early_otherwise_branch.rs:+0:44: +0:47
      let mut _3: (std::option::Option<u32>, std::option::Option<u32>); // in scope 0 at $DIR/early_otherwise_branch.rs:+1:11: +1:17
      let mut _4: std::option::Option<u32>; // in scope 0 at $DIR/early_otherwise_branch.rs:+1:12: +1:13
      let mut _5: std::option::Option<u32>; // in scope 0 at $DIR/early_otherwise_branch.rs:+1:15: +1:16
      let mut _6: isize;                   // in scope 0 at $DIR/early_otherwise_branch.rs:+2:19: +2:26
      let mut _7: isize;                   // in scope 0 at $DIR/early_otherwise_branch.rs:+2:10: +2:17
      let _8: u32;                         // in scope 0 at $DIR/early_otherwise_branch.rs:+2:15: +2:16
      let _9: u32;                         // in scope 0 at $DIR/early_otherwise_branch.rs:+2:24: +2:25
+     let mut _10: isize;                  // in scope 0 at $DIR/early_otherwise_branch.rs:+1:5: +1:17
+     let mut _11: bool;                   // in scope 0 at $DIR/early_otherwise_branch.rs:+1:5: +1:17
      scope 1 {
          debug a => _8;                   // in scope 1 at $DIR/early_otherwise_branch.rs:+2:15: +2:16
          debug b => _9;                   // in scope 1 at $DIR/early_otherwise_branch.rs:+2:24: +2:25
      }
  
      bb0: {
          StorageLive(_3);                 // scope 0 at $DIR/early_otherwise_branch.rs:+1:11: +1:17
          StorageLive(_4);                 // scope 0 at $DIR/early_otherwise_branch.rs:+1:12: +1:13
          _4 = _1;                         // scope 0 at $DIR/early_otherwise_branch.rs:+1:12: +1:13
          StorageLive(_5);                 // scope 0 at $DIR/early_otherwise_branch.rs:+1:15: +1:16
          _5 = _2;                         // scope 0 at $DIR/early_otherwise_branch.rs:+1:15: +1:16
          Deinit(_3);                      // scope 0 at $DIR/early_otherwise_branch.rs:+1:11: +1:17
          (_3.0: std::option::Option<u32>) = move _4; // scope 0 at $DIR/early_otherwise_branch.rs:+1:11: +1:17
          (_3.1: std::option::Option<u32>) = move _5; // scope 0 at $DIR/early_otherwise_branch.rs:+1:11: +1:17
          StorageDead(_5);                 // scope 0 at $DIR/early_otherwise_branch.rs:+1:16: +1:17
          StorageDead(_4);                 // scope 0 at $DIR/early_otherwise_branch.rs:+1:16: +1:17
          _7 = discriminant((_3.0: std::option::Option<u32>)); // scope 0 at $DIR/early_otherwise_branch.rs:+1:11: +1:17
-         switchInt(move _7) -> [1_isize: bb2, otherwise: bb1]; // scope 0 at $DIR/early_otherwise_branch.rs:+1:5: +1:17
+         StorageLive(_10);                // scope 0 at $DIR/early_otherwise_branch.rs:+1:5: +1:17
+         _10 = discriminant((_3.1: std::option::Option<u32>)); // scope 0 at $DIR/early_otherwise_branch.rs:+1:5: +1:17
+         StorageLive(_11);                // scope 0 at $DIR/early_otherwise_branch.rs:+1:5: +1:17
+         _11 = Ne(_7, move _10);          // scope 0 at $DIR/early_otherwise_branch.rs:+1:5: +1:17
+         StorageDead(_10);                // scope 0 at $DIR/early_otherwise_branch.rs:+1:5: +1:17
+         switchInt(move _11) -> [false: bb4, otherwise: bb1]; // scope 0 at $DIR/early_otherwise_branch.rs:+1:5: +1:17
      }
  
      bb1: {
+         StorageDead(_11);                // scope 0 at $DIR/early_otherwise_branch.rs:+3:14: +3:15
          _0 = const 1_u32;                // scope 0 at $DIR/early_otherwise_branch.rs:+3:14: +3:15
-         goto -> bb4;                     // scope 0 at $DIR/early_otherwise_branch.rs:+3:14: +3:15
+         goto -> bb3;                     // scope 0 at $DIR/early_otherwise_branch.rs:+3:14: +3:15
      }
  
      bb2: {
-         _6 = discriminant((_3.1: std::option::Option<u32>)); // scope 0 at $DIR/early_otherwise_branch.rs:+1:11: +1:17
-         switchInt(move _6) -> [1_isize: bb3, otherwise: bb1]; // scope 0 at $DIR/early_otherwise_branch.rs:+1:5: +1:17
-     }
- 
-     bb3: {
          StorageLive(_8);                 // scope 0 at $DIR/early_otherwise_branch.rs:+2:15: +2:16
          _8 = (((_3.0: std::option::Option<u32>) as Some).0: u32); // scope 0 at $DIR/early_otherwise_branch.rs:+2:15: +2:16
          StorageLive(_9);                 // scope 0 at $DIR/early_otherwise_branch.rs:+2:24: +2:25
          _9 = (((_3.1: std::option::Option<u32>) as Some).0: u32); // scope 0 at $DIR/early_otherwise_branch.rs:+2:24: +2:25
          _0 = const 0_u32;                // scope 1 at $DIR/early_otherwise_branch.rs:+2:31: +2:32
          StorageDead(_9);                 // scope 0 at $DIR/early_otherwise_branch.rs:+2:31: +2:32
          StorageDead(_8);                 // scope 0 at $DIR/early_otherwise_branch.rs:+2:31: +2:32
-         goto -> bb4;                     // scope 0 at $DIR/early_otherwise_branch.rs:+2:31: +2:32
+         goto -> bb3;                     // scope 0 at $DIR/early_otherwise_branch.rs:+2:31: +2:32
      }
  
-     bb4: {
+     bb3: {
          StorageDead(_3);                 // scope 0 at $DIR/early_otherwise_branch.rs:+5:1: +5:2
          return;                          // scope 0 at $DIR/early_otherwise_branch.rs:+5:2: +5:2
+     }
+ 
+     bb4: {
+         StorageDead(_11);                // scope 0 at $DIR/early_otherwise_branch.rs:+1:5: +1:17
+         switchInt(_7) -> [1_isize: bb2, otherwise: bb1]; // scope 0 at $DIR/early_otherwise_branch.rs:+1:5: +1:17
      }
  }