rust/tests/mir-opt/separate_const_switch.too_complex.SeparateConstSwitch.diff

- // MIR for `too_complex` before SeparateConstSwitch
+ // MIR for `too_complex` after SeparateConstSwitch
  
  fn too_complex(_1: Result<i32, usize>) -> Option<i32> {
      debug x => _1;                       // in scope 0 at $DIR/separate_const_switch.rs:+0:16: +0:17
      let mut _0: std::option::Option<i32>; // return place in scope 0 at $DIR/separate_const_switch.rs:+0:42: +0:53
      let mut _2: std::ops::ControlFlow<usize, i32>; // in scope 0 at $DIR/separate_const_switch.rs:+5:11: +10:6
      let mut _3: isize;                   // in scope 0 at $DIR/separate_const_switch.rs:+7:13: +7:18
      let _4: i32;                         // in scope 0 at $DIR/separate_const_switch.rs:+7:16: +7:17
      let mut _5: i32;                     // in scope 0 at $DIR/separate_const_switch.rs:+7:44: +7:45
      let _6: usize;                       // in scope 0 at $DIR/separate_const_switch.rs:+8:17: +8:18
      let mut _7: usize;                   // in scope 0 at $DIR/separate_const_switch.rs:+8:42: +8:43
      let mut _8: isize;                   // in scope 0 at $DIR/separate_const_switch.rs:+11:9: +11:33
      let _9: i32;                         // in scope 0 at $DIR/separate_const_switch.rs:+11:31: +11:32
      let mut _10: i32;                    // in scope 0 at $DIR/separate_const_switch.rs:+11:42: +11:43
      let _11: usize;                      // in scope 0 at $DIR/separate_const_switch.rs:+12:28: +12:29
      scope 1 {
          debug v => _4;                   // in scope 1 at $DIR/separate_const_switch.rs:+7:16: +7:17
      }
      scope 2 {
          debug r => _6;                   // in scope 2 at $DIR/separate_const_switch.rs:+8:17: +8:18
      }
      scope 3 {
          debug v => _9;                   // in scope 3 at $DIR/separate_const_switch.rs:+11:31: +11:32
      }
      scope 4 {
          debug r => _11;                  // in scope 4 at $DIR/separate_const_switch.rs:+12:28: +12:29
      }
  
      bb0: {
          StorageLive(_2);                 // scope 0 at $DIR/separate_const_switch.rs:+5:11: +10:6
          _3 = discriminant(_1);           // scope 0 at $DIR/separate_const_switch.rs:+6:15: +6:16
          switchInt(move _3) -> [0: bb3, 1: bb1, otherwise: bb2]; // scope 0 at $DIR/separate_const_switch.rs:+6:9: +6:16
      }
  
      bb1: {
          StorageLive(_6);                 // scope 0 at $DIR/separate_const_switch.rs:+8:17: +8:18
          _6 = ((_1 as Err).0: usize);     // scope 0 at $DIR/separate_const_switch.rs:+8:17: +8:18
          StorageLive(_7);                 // scope 2 at $DIR/separate_const_switch.rs:+8:42: +8:43
          _7 = _6;                         // scope 2 at $DIR/separate_const_switch.rs:+8:42: +8:43
          Deinit(_2);                      // scope 2 at $DIR/separate_const_switch.rs:+8:23: +8:44
          ((_2 as Break).0: usize) = move _7; // scope 2 at $DIR/separate_const_switch.rs:+8:23: +8:44
          discriminant(_2) = 1;            // scope 2 at $DIR/separate_const_switch.rs:+8:23: +8:44
          StorageDead(_7);                 // scope 2 at $DIR/separate_const_switch.rs:+8:43: +8:44
          StorageDead(_6);                 // scope 0 at $DIR/separate_const_switch.rs:+8:43: +8:44
-         goto -> bb4;                     // scope 0 at $DIR/separate_const_switch.rs:+8:43: +8:44
+         _8 = discriminant(_2);           // scope 0 at $DIR/separate_const_switch.rs:+5:11: +10:6
+         switchInt(move _8) -> [0: bb6, 1: bb4, otherwise: bb5]; // scope 0 at $DIR/separate_const_switch.rs:+5:5: +10:6
      }
  
      bb2: {
          unreachable;                     // scope 0 at $DIR/separate_const_switch.rs:+6:15: +6:16
      }
  
      bb3: {
          StorageLive(_4);                 // scope 0 at $DIR/separate_const_switch.rs:+7:16: +7:17
          _4 = ((_1 as Ok).0: i32);        // scope 0 at $DIR/separate_const_switch.rs:+7:16: +7:17
          StorageLive(_5);                 // scope 1 at $DIR/separate_const_switch.rs:+7:44: +7:45
          _5 = _4;                         // scope 1 at $DIR/separate_const_switch.rs:+7:44: +7:45
          Deinit(_2);                      // scope 1 at $DIR/separate_const_switch.rs:+7:22: +7:46
          ((_2 as Continue).0: i32) = move _5; // scope 1 at $DIR/separate_const_switch.rs:+7:22: +7:46
          discriminant(_2) = 0;            // scope 1 at $DIR/separate_const_switch.rs:+7:22: +7:46
          StorageDead(_5);                 // scope 1 at $DIR/separate_const_switch.rs:+7:45: +7:46
          StorageDead(_4);                 // scope 0 at $DIR/separate_const_switch.rs:+7:45: +7:46
-         goto -> bb4;                     // scope 0 at $DIR/separate_const_switch.rs:+7:45: +7:46
-     }
- 
-     bb4: {
          _8 = discriminant(_2);           // scope 0 at $DIR/separate_const_switch.rs:+5:11: +10:6
-         switchInt(move _8) -> [0: bb7, 1: bb5, otherwise: bb6]; // scope 0 at $DIR/separate_const_switch.rs:+5:5: +10:6
+         switchInt(move _8) -> [0: bb6, 1: bb4, otherwise: bb5]; // scope 0 at $DIR/separate_const_switch.rs:+5:5: +10:6
      }
  
-     bb5: {
+     bb4: {
          StorageLive(_11);                // scope 0 at $DIR/separate_const_switch.rs:+12:28: +12:29
          _11 = ((_2 as Break).0: usize);  // scope 0 at $DIR/separate_const_switch.rs:+12:28: +12:29
          Deinit(_0);                      // scope 4 at $DIR/separate_const_switch.rs:+12:34: +12:38
          discriminant(_0) = 0;            // scope 4 at $DIR/separate_const_switch.rs:+12:34: +12:38
          StorageDead(_11);                // scope 0 at $DIR/separate_const_switch.rs:+12:37: +12:38
-         goto -> bb8;                     // scope 0 at $DIR/separate_const_switch.rs:+12:37: +12:38
+         goto -> bb7;                     // scope 0 at $DIR/separate_const_switch.rs:+12:37: +12:38
      }
  
-     bb6: {
+     bb5: {
          unreachable;                     // scope 0 at $DIR/separate_const_switch.rs:+5:11: +10:6
      }
  
-     bb7: {
+     bb6: {
          StorageLive(_9);                 // scope 0 at $DIR/separate_const_switch.rs:+11:31: +11:32
          _9 = ((_2 as Continue).0: i32);  // scope 0 at $DIR/separate_const_switch.rs:+11:31: +11:32
          StorageLive(_10);                // scope 3 at $DIR/separate_const_switch.rs:+11:42: +11:43
          _10 = _9;                        // scope 3 at $DIR/separate_const_switch.rs:+11:42: +11:43
          Deinit(_0);                      // scope 3 at $DIR/separate_const_switch.rs:+11:37: +11:44
          ((_0 as Some).0: i32) = move _10; // scope 3 at $DIR/separate_const_switch.rs:+11:37: +11:44
          discriminant(_0) = 1;            // scope 3 at $DIR/separate_const_switch.rs:+11:37: +11:44
          StorageDead(_10);                // scope 3 at $DIR/separate_const_switch.rs:+11:43: +11:44
          StorageDead(_9);                 // scope 0 at $DIR/separate_const_switch.rs:+11:43: +11:44
-         goto -> bb8;                     // scope 0 at $DIR/separate_const_switch.rs:+11:43: +11:44
+         goto -> bb7;                     // scope 0 at $DIR/separate_const_switch.rs:+11:43: +11:44
      }
  
-     bb8: {
+     bb7: {
          StorageDead(_2);                 // scope 0 at $DIR/separate_const_switch.rs:+14:1: +14:2
          return;                          // scope 0 at $DIR/separate_const_switch.rs:+14:2: +14:2
      }
  }