rust/tests/mir-opt/matches_reduce_branches.match_nested_if.MatchBranchSimplification.diff

- // MIR for `match_nested_if` before MatchBranchSimplification
+ // MIR for `match_nested_if` after MatchBranchSimplification
  
  fn match_nested_if() -> bool {
      let mut _0: bool;                    // return place in scope 0 at $DIR/matches_reduce_branches.rs:+0:25: +0:29
      let _1: bool;                        // in scope 0 at $DIR/matches_reduce_branches.rs:+1:9: +1:12
      let mut _2: ();                      // in scope 0 at $DIR/matches_reduce_branches.rs:+1:21: +1:23
      let mut _3: bool;                    // in scope 0 at $DIR/matches_reduce_branches.rs:+2:15: +6:10
      let mut _4: bool;                    // in scope 0 at $DIR/matches_reduce_branches.rs:+2:18: +2:76
      let mut _5: bool;                    // in scope 0 at $DIR/matches_reduce_branches.rs:+2:21: +2:52
      let mut _6: bool;                    // in scope 0 at $DIR/matches_reduce_branches.rs:+2:24: +2:28
+     let mut _7: bool;                    // in scope 0 at $DIR/matches_reduce_branches.rs:+2:24: +2:28
+     let mut _8: bool;                    // in scope 0 at $DIR/matches_reduce_branches.rs:+2:21: +2:52
+     let mut _9: bool;                    // in scope 0 at $DIR/matches_reduce_branches.rs:+2:18: +2:76
+     let mut _10: bool;                   // in scope 0 at $DIR/matches_reduce_branches.rs:+2:15: +6:10
      scope 1 {
          debug val => _1;                 // in scope 1 at $DIR/matches_reduce_branches.rs:+1:9: +1:12
      }
  
      bb0: {
          StorageLive(_1);                 // scope 0 at $DIR/matches_reduce_branches.rs:+1:9: +1:12
          StorageLive(_2);                 // scope 0 at $DIR/matches_reduce_branches.rs:+1:21: +1:23
          Deinit(_2);                      // scope 0 at $DIR/matches_reduce_branches.rs:+1:21: +1:23
          StorageLive(_3);                 // scope 0 at $DIR/matches_reduce_branches.rs:+2:15: +6:10
          StorageLive(_4);                 // scope 0 at $DIR/matches_reduce_branches.rs:+2:18: +2:76
          StorageLive(_5);                 // scope 0 at $DIR/matches_reduce_branches.rs:+2:21: +2:52
          StorageLive(_6);                 // scope 0 at $DIR/matches_reduce_branches.rs:+2:24: +2:28
          _6 = const true;                 // scope 0 at $DIR/matches_reduce_branches.rs:+2:24: +2:28
-         switchInt(move _6) -> [0: bb2, otherwise: bb1]; // scope 0 at $DIR/matches_reduce_branches.rs:+2:24: +2:28
-     }
- 
-     bb1: {
-         _5 = const true;                 // scope 0 at $DIR/matches_reduce_branches.rs:+2:31: +2:35
-         goto -> bb3;                     // scope 0 at $DIR/matches_reduce_branches.rs:+2:21: +2:52
-     }
- 
-     bb2: {
-         _5 = const false;                // scope 0 at $DIR/matches_reduce_branches.rs:+2:45: +2:50
-         goto -> bb3;                     // scope 0 at $DIR/matches_reduce_branches.rs:+2:21: +2:52
-     }
- 
-     bb3: {
+         StorageLive(_7);                 // scope 0 at $DIR/matches_reduce_branches.rs:+2:24: +2:28
+         _7 = move _6;                    // scope 0 at $DIR/matches_reduce_branches.rs:+2:24: +2:28
+         _5 = Ne(_7, const false);        // scope 0 at $DIR/matches_reduce_branches.rs:+2:45: +2:50
+         StorageDead(_7);                 // scope 0 at $DIR/matches_reduce_branches.rs:+2:24: +2:28
          StorageDead(_6);                 // scope 0 at $DIR/matches_reduce_branches.rs:+2:51: +2:52
-         switchInt(move _5) -> [0: bb5, otherwise: bb4]; // scope 0 at $DIR/matches_reduce_branches.rs:+2:21: +2:52
-     }
- 
-     bb4: {
-         _4 = const true;                 // scope 0 at $DIR/matches_reduce_branches.rs:+2:55: +2:59
-         goto -> bb6;                     // scope 0 at $DIR/matches_reduce_branches.rs:+2:18: +2:76
-     }
- 
-     bb5: {
-         _4 = const false;                // scope 0 at $DIR/matches_reduce_branches.rs:+2:69: +2:74
-         goto -> bb6;                     // scope 0 at $DIR/matches_reduce_branches.rs:+2:18: +2:76
-     }
- 
-     bb6: {
+         StorageLive(_8);                 // scope 0 at $DIR/matches_reduce_branches.rs:+2:21: +2:52
+         _8 = move _5;                    // scope 0 at $DIR/matches_reduce_branches.rs:+2:21: +2:52
+         _4 = Ne(_8, const false);        // scope 0 at $DIR/matches_reduce_branches.rs:+2:69: +2:74
+         StorageDead(_8);                 // scope 0 at $DIR/matches_reduce_branches.rs:+2:21: +2:52
          StorageDead(_5);                 // scope 0 at $DIR/matches_reduce_branches.rs:+2:75: +2:76
-         switchInt(move _4) -> [0: bb8, otherwise: bb7]; // scope 0 at $DIR/matches_reduce_branches.rs:+2:18: +2:76
-     }
- 
-     bb7: {
-         _3 = const true;                 // scope 0 at $DIR/matches_reduce_branches.rs:+3:13: +3:17
-         goto -> bb9;                     // scope 0 at $DIR/matches_reduce_branches.rs:+2:15: +6:10
-     }
- 
-     bb8: {
-         _3 = const false;                // scope 0 at $DIR/matches_reduce_branches.rs:+5:13: +5:18
-         goto -> bb9;                     // scope 0 at $DIR/matches_reduce_branches.rs:+2:15: +6:10
-     }
- 
-     bb9: {
-         switchInt(move _3) -> [0: bb11, otherwise: bb10]; // scope 0 at $DIR/matches_reduce_branches.rs:+2:15: +6:10
-     }
- 
-     bb10: {
+         StorageLive(_9);                 // scope 0 at $DIR/matches_reduce_branches.rs:+2:18: +2:76
+         _9 = move _4;                    // scope 0 at $DIR/matches_reduce_branches.rs:+2:18: +2:76
+         _3 = Ne(_9, const false);        // scope 0 at $DIR/matches_reduce_branches.rs:+5:13: +5:18
+         StorageDead(_9);                 // scope 0 at $DIR/matches_reduce_branches.rs:+2:18: +2:76
+         StorageLive(_10);                // scope 0 at $DIR/matches_reduce_branches.rs:+2:15: +6:10
+         _10 = move _3;                   // scope 0 at $DIR/matches_reduce_branches.rs:+2:15: +6:10
          StorageDead(_4);                 // scope 0 at $DIR/matches_reduce_branches.rs:+6:9: +6:10
          StorageDead(_3);                 // scope 0 at $DIR/matches_reduce_branches.rs:+6:9: +6:10
-         _1 = const true;                 // scope 0 at $DIR/matches_reduce_branches.rs:+8:13: +8:17
-         goto -> bb12;                    // scope 0 at $DIR/matches_reduce_branches.rs:+8:13: +8:17
-     }
- 
-     bb11: {
-         StorageDead(_4);                 // scope 0 at $DIR/matches_reduce_branches.rs:+6:9: +6:10
-         StorageDead(_3);                 // scope 0 at $DIR/matches_reduce_branches.rs:+6:9: +6:10
-         _1 = const false;                // scope 0 at $DIR/matches_reduce_branches.rs:+10:14: +10:19
-         goto -> bb12;                    // scope 0 at $DIR/matches_reduce_branches.rs:+10:14: +10:19
-     }
- 
-     bb12: {
+         _1 = Ne(_10, const false);       // scope 0 at $DIR/matches_reduce_branches.rs:+10:14: +10:19
+         StorageDead(_10);                // scope 0 at $DIR/matches_reduce_branches.rs:+2:15: +6:10
          StorageDead(_2);                 // scope 0 at $DIR/matches_reduce_branches.rs:+11:6: +11:7
          _0 = _1;                         // scope 1 at $DIR/matches_reduce_branches.rs:+12:5: +12:8
          StorageDead(_1);                 // scope 0 at $DIR/matches_reduce_branches.rs:+13:1: +13:2
          return;                          // scope 0 at $DIR/matches_reduce_branches.rs:+13:2: +13:2
      }
  }