rust/tests/mir-opt/early_otherwise_branch_3_element_tuple.opt2.EarlyOtherwiseBranch.diff

- // MIR for `opt2` before EarlyOtherwiseBranch
+ // MIR for `opt2` after EarlyOtherwiseBranch
  
  fn opt2(_1: Option2<u32>, _2: Option2<u32>, _3: Option2<u32>) -> u32 {
      debug x => _1;
      debug y => _2;
      debug z => _3;
      let mut _0: u32;
      let mut _4: (Option2<u32>, Option2<u32>, Option2<u32>);
      let mut _5: Option2<u32>;
      let mut _6: Option2<u32>;
      let mut _7: Option2<u32>;
      let mut _8: isize;
      let mut _9: isize;
      let mut _10: isize;
      let mut _11: isize;
      let mut _12: isize;
      let mut _13: isize;
      let mut _14: isize;
      let _15: u32;
      let _16: u32;
      let _17: u32;
+     let mut _18: isize;
+     let mut _19: bool;
      scope 1 {
          debug a => _15;
          debug b => _16;
          debug c => _17;
      }
  
      bb0: {
          StorageLive(_4);
          StorageLive(_5);
          _5 = move _1;
          StorageLive(_6);
          _6 = move _2;
          StorageLive(_7);
          _7 = move _3;
          _4 = (move _5, move _6, move _7);
          StorageDead(_7);
          StorageDead(_6);
          StorageDead(_5);
          _14 = discriminant((_4.0: Option2<u32>));
-         switchInt(move _14) -> [0: bb2, 1: bb4, 2: bb6, otherwise: bb12];
+         StorageLive(_18);
+         _18 = discriminant((_4.1: Option2<u32>));
+         StorageLive(_19);
+         _19 = Ne(_14, move _18);
+         StorageDead(_18);
+         switchInt(move _19) -> [0: bb10, otherwise: bb1];
      }
  
      bb1: {
+         StorageDead(_19);
          _0 = const 1_u32;
-         goto -> bb11;
+         goto -> bb8;
      }
  
      bb2: {
-         _9 = discriminant((_4.1: Option2<u32>));
-         switchInt(move _9) -> [0: bb3, otherwise: bb1];
-     }
- 
-     bb3: {
          _8 = discriminant((_4.2: Option2<u32>));
-         switchInt(move _8) -> [0: bb10, otherwise: bb1];
+         switchInt(move _8) -> [0: bb7, otherwise: bb1];
      }
  
-     bb4: {
-         _11 = discriminant((_4.1: Option2<u32>));
-         switchInt(move _11) -> [1: bb5, otherwise: bb1];
-     }
- 
-     bb5: {
+     bb3: {
          _10 = discriminant((_4.2: Option2<u32>));
-         switchInt(move _10) -> [1: bb9, otherwise: bb1];
+         switchInt(move _10) -> [1: bb6, otherwise: bb1];
      }
  
-     bb6: {
-         _13 = discriminant((_4.1: Option2<u32>));
-         switchInt(move _13) -> [2: bb7, otherwise: bb1];
-     }
- 
-     bb7: {
+     bb4: {
          _12 = discriminant((_4.2: Option2<u32>));
-         switchInt(move _12) -> [2: bb8, otherwise: bb1];
+         switchInt(move _12) -> [2: bb5, otherwise: bb1];
      }
  
-     bb8: {
+     bb5: {
          _0 = const 3_u32;
-         goto -> bb11;
+         goto -> bb8;
      }
  
-     bb9: {
+     bb6: {
          _0 = const 2_u32;
-         goto -> bb11;
+         goto -> bb8;
      }
  
-     bb10: {
+     bb7: {
          StorageLive(_15);
          _15 = (((_4.0: Option2<u32>) as Some).0: u32);
          StorageLive(_16);
          _16 = (((_4.1: Option2<u32>) as Some).0: u32);
          StorageLive(_17);
          _17 = (((_4.2: Option2<u32>) as Some).0: u32);
          _0 = const 0_u32;
          StorageDead(_17);
          StorageDead(_16);
          StorageDead(_15);
-         goto -> bb11;
+         goto -> bb8;
      }
  
-     bb11: {
+     bb8: {
          StorageDead(_4);
          return;
      }
  
-     bb12: {
+     bb9: {
          unreachable;
+     }
+ 
+     bb10: {
+         StorageDead(_19);
+         switchInt(_14) -> [0: bb2, 1: bb3, 2: bb4, otherwise: bb9];
      }
  }