src/test/mir-opt/early_otherwise_branch.opt2.EarlyOtherwiseBranch.diff

   1 - // MIR for `opt2` before EarlyOtherwiseBranch
   2 + // MIR for `opt2` after EarlyOtherwiseBranch
   3
   4   fn opt2(_1: Option<u32>, _2: Option<u32>) -> u32 {
   5       debug x => _1;                       // in scope 0 at $DIR/early_otherwise_branch.rs:11:9: 11:10
   6       debug y => _2;                       // in scope 0 at $DIR/early_otherwise_branch.rs:11:25: 11:26
   7       let mut _0: u32;                     // return place in scope 0 at $DIR/early_otherwise_branch.rs:11:44: 11:47
   8       let mut _3: (std::option::Option<u32>, std::option::Option<u32>); // in scope 0 at $DIR/early_otherwise_branch.rs:12:11: 12:17
   9       let mut _4: std::option::Option<u32>; // in scope 0 at $DIR/early_otherwise_branch.rs:12:12: 12:13
  10       let mut _5: std::option::Option<u32>; // in scope 0 at $DIR/early_otherwise_branch.rs:12:15: 12:16
  11       let mut _6: isize;                   // in scope 0 at $DIR/early_otherwise_branch.rs:14:16: 14:20
  12       let mut _7: isize;                   // in scope 0 at $DIR/early_otherwise_branch.rs:13:19: 13:26
  13       let mut _8: isize;                   // in scope 0 at $DIR/early_otherwise_branch.rs:13:10: 13:17
  14       let _9: u32;                         // in scope 0 at $DIR/early_otherwise_branch.rs:13:15: 13:16
  15       let _10: u32;                        // in scope 0 at $DIR/early_otherwise_branch.rs:13:24: 13:25
  16 +     let mut _11: isize;                  // in scope 0 at $DIR/early_otherwise_branch.rs:14:16: 14:20
  17 +     let mut _12: bool;                   // in scope 0 at $DIR/early_otherwise_branch.rs:14:16: 14:20
  18       scope 1 {
  19           debug a => _9;                   // in scope 1 at $DIR/early_otherwise_branch.rs:13:15: 13:16
  20           debug b => _10;                  // in scope 1 at $DIR/early_otherwise_branch.rs:13:24: 13:25
  21       }
  22
  23       bb0: {
  24           StorageLive(_3);                 // scope 0 at $DIR/early_otherwise_branch.rs:12:11: 12:17
  25           StorageLive(_4);                 // scope 0 at $DIR/early_otherwise_branch.rs:12:12: 12:13
  26           _4 = _1;                         // scope 0 at $DIR/early_otherwise_branch.rs:12:12: 12:13
  27           StorageLive(_5);                 // scope 0 at $DIR/early_otherwise_branch.rs:12:15: 12:16
  28           _5 = _2;                         // scope 0 at $DIR/early_otherwise_branch.rs:12:15: 12:16
  29           (_3.0: std::option::Option<u32>) = move _4; // scope 0 at $DIR/early_otherwise_branch.rs:12:11: 12:17
  30           (_3.1: std::option::Option<u32>) = move _5; // scope 0 at $DIR/early_otherwise_branch.rs:12:11: 12:17
  31           StorageDead(_5);                 // scope 0 at $DIR/early_otherwise_branch.rs:12:16: 12:17
  32           StorageDead(_4);                 // scope 0 at $DIR/early_otherwise_branch.rs:12:16: 12:17
  33           _8 = discriminant((_3.0: std::option::Option<u32>)); // scope 0 at $DIR/early_otherwise_branch.rs:13:10: 13:17
  34 -         switchInt(move _8) -> [0_isize: bb1, 1_isize: bb3, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch.rs:13:10: 13:17
  35 +         StorageLive(_11);                // scope 0 at $DIR/early_otherwise_branch.rs:13:10: 13:17
  36 +         _11 = discriminant((_3.1: std::option::Option<u32>)); // scope 0 at $DIR/early_otherwise_branch.rs:13:10: 13:17
  37 +         StorageLive(_12);                // scope 0 at $DIR/early_otherwise_branch.rs:13:10: 13:17
  38 +         _12 = Ne(_11, _8);               // scope 0 at $DIR/early_otherwise_branch.rs:13:10: 13:17
  39 +         StorageDead(_11);                // scope 0 at $DIR/early_otherwise_branch.rs:13:10: 13:17
  40 +         switchInt(move _12) -> [false: bb5, otherwise: bb1]; // scope 0 at $DIR/early_otherwise_branch.rs:13:10: 13:17
  41       }
  42
  43       bb1: {
  44 -         _6 = discriminant((_3.1: std::option::Option<u32>)); // scope 0 at $DIR/early_otherwise_branch.rs:14:16: 14:20
  45 -         switchInt(move _6) -> [0_isize: bb5, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch.rs:14:16: 14:20
  46 -     }
  47 -
  48 -     bb2: {
  49 +         StorageDead(_12);                // scope 0 at $DIR/early_otherwise_branch.rs:15:14: 15:15
  50           _0 = const 1_u32;                // scope 0 at $DIR/early_otherwise_branch.rs:15:14: 15:15
  51 -         goto -> bb6;                     // scope 0 at $DIR/early_otherwise_branch.rs:12:5: 16:6
  52 +         goto -> bb4;                     // scope 0 at $DIR/early_otherwise_branch.rs:12:5: 16:6
  53       }
  54
  55 -     bb3: {
  56 -         _7 = discriminant((_3.1: std::option::Option<u32>)); // scope 0 at $DIR/early_otherwise_branch.rs:13:19: 13:26
  57 -         switchInt(move _7) -> [1_isize: bb4, otherwise: bb2]; // scope 0 at $DIR/early_otherwise_branch.rs:13:19: 13:26
  58 -     }
  59 -
  60 -     bb4: {
  61 +     bb2: {
  62           StorageLive(_9);                 // scope 0 at $DIR/early_otherwise_branch.rs:13:15: 13:16
  63           _9 = (((_3.0: std::option::Option<u32>) as Some).0: u32); // scope 0 at $DIR/early_otherwise_branch.rs:13:15: 13:16
  64           StorageLive(_10);                // scope 0 at $DIR/early_otherwise_branch.rs:13:24: 13:25
  65           _10 = (((_3.1: std::option::Option<u32>) as Some).0: u32); // scope 0 at $DIR/early_otherwise_branch.rs:13:24: 13:25
  66           _0 = const 0_u32;                // scope 1 at $DIR/early_otherwise_branch.rs:13:31: 13:32
  67           StorageDead(_10);                // scope 0 at $DIR/early_otherwise_branch.rs:13:31: 13:32
  68           StorageDead(_9);                 // scope 0 at $DIR/early_otherwise_branch.rs:13:31: 13:32
  69 -         goto -> bb6;                     // scope 0 at $DIR/early_otherwise_branch.rs:12:5: 16:6
  70 +         goto -> bb4;                     // scope 0 at $DIR/early_otherwise_branch.rs:12:5: 16:6
  71       }
  72
  73 -     bb5: {
  74 +     bb3: {
  75           _0 = const 0_u32;                // scope 0 at $DIR/early_otherwise_branch.rs:14:25: 14:26
  76 -         goto -> bb6;                     // scope 0 at $DIR/early_otherwise_branch.rs:12:5: 16:6
  77 +         goto -> bb4;                     // scope 0 at $DIR/early_otherwise_branch.rs:12:5: 16:6
  78       }
  79
  80 -     bb6: {
  81 +     bb4: {
  82           StorageDead(_3);                 // scope 0 at $DIR/early_otherwise_branch.rs:17:1: 17:2
  83           return;                          // scope 0 at $DIR/early_otherwise_branch.rs:17:2: 17:2
  84 +     }
  85 +
  86 +     bb5: {
  87 +         StorageDead(_12);                // scope 0 at $DIR/early_otherwise_branch.rs:14:16: 14:20
  88 +         switchInt(_8) -> [0_isize: bb3, 1_isize: bb2, otherwise: bb1]; // scope 0 at $DIR/early_otherwise_branch.rs:14:16: 14:20
  89       }
  90   }
  91