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

   1 - // MIR for `opt1` before EarlyOtherwiseBranch
   2 + // MIR for `opt1` after EarlyOtherwiseBranch
   3
   4   fn opt1(_1: Option<u32>, _2: Option<u32>) -> u32 {
   5       debug x => _1;                       // in scope 0 at $DIR/early_otherwise_branch.rs:3:9: 3:10
   6       debug y => _2;                       // in scope 0 at $DIR/early_otherwise_branch.rs:3:25: 3:26
   7       let mut _0: u32;                     // return place in scope 0 at $DIR/early_otherwise_branch.rs:3:44: 3:47
   8       let mut _3: (std::option::Option<u32>, std::option::Option<u32>); // in scope 0 at $DIR/early_otherwise_branch.rs:4:11: 4:17
   9       let mut _4: std::option::Option<u32>; // in scope 0 at $DIR/early_otherwise_branch.rs:4:12: 4:13
  10       let mut _5: std::option::Option<u32>; // in scope 0 at $DIR/early_otherwise_branch.rs:4:15: 4:16
  11       let mut _6: isize;                   // in scope 0 at $DIR/early_otherwise_branch.rs:5:19: 5:26
  12       let mut _7: isize;                   // in scope 0 at $DIR/early_otherwise_branch.rs:5:10: 5:17
  13       let _8: u32;                         // in scope 0 at $DIR/early_otherwise_branch.rs:5:15: 5:16
  14       let _9: u32;                         // in scope 0 at $DIR/early_otherwise_branch.rs:5:24: 5:25
  15 +     let mut _10: isize;                  // in scope 0 at $DIR/early_otherwise_branch.rs:5:19: 5:26
  16 +     let mut _11: bool;                   // in scope 0 at $DIR/early_otherwise_branch.rs:5:19: 5:26
  17       scope 1 {
  18           debug a => _8;                   // in scope 1 at $DIR/early_otherwise_branch.rs:5:15: 5:16
  19           debug b => _9;                   // in scope 1 at $DIR/early_otherwise_branch.rs:5:24: 5:25
  20       }
  21
  22       bb0: {
  23           StorageLive(_3);                 // scope 0 at $DIR/early_otherwise_branch.rs:4:11: 4:17
  24           StorageLive(_4);                 // scope 0 at $DIR/early_otherwise_branch.rs:4:12: 4:13
  25           _4 = _1;                         // scope 0 at $DIR/early_otherwise_branch.rs:4:12: 4:13
  26           StorageLive(_5);                 // scope 0 at $DIR/early_otherwise_branch.rs:4:15: 4:16
  27           _5 = _2;                         // scope 0 at $DIR/early_otherwise_branch.rs:4:15: 4:16
  28           (_3.0: std::option::Option<u32>) = move _4; // scope 0 at $DIR/early_otherwise_branch.rs:4:11: 4:17
  29           (_3.1: std::option::Option<u32>) = move _5; // scope 0 at $DIR/early_otherwise_branch.rs:4:11: 4:17
  30           StorageDead(_5);                 // scope 0 at $DIR/early_otherwise_branch.rs:4:16: 4:17
  31           StorageDead(_4);                 // scope 0 at $DIR/early_otherwise_branch.rs:4:16: 4:17
  32           _7 = discriminant((_3.0: std::option::Option<u32>)); // scope 0 at $DIR/early_otherwise_branch.rs:4:11: 4:17
  33 -         switchInt(move _7) -> [1_isize: bb2, otherwise: bb1]; // scope 0 at $DIR/early_otherwise_branch.rs:4:5: 4:17
  34 +         StorageLive(_10);                // scope 0 at $DIR/early_otherwise_branch.rs:4:5: 4:17
  35 +         _10 = discriminant((_3.1: std::option::Option<u32>)); // scope 0 at $DIR/early_otherwise_branch.rs:4:5: 4:17
  36 +         StorageLive(_11);                // scope 0 at $DIR/early_otherwise_branch.rs:4:5: 4:17
  37 +         _11 = Ne(_10, _7);               // scope 0 at $DIR/early_otherwise_branch.rs:4:5: 4:17
  38 +         StorageDead(_10);                // scope 0 at $DIR/early_otherwise_branch.rs:4:5: 4:17
  39 +         switchInt(move _11) -> [false: bb4, otherwise: bb1]; // scope 0 at $DIR/early_otherwise_branch.rs:4:5: 4:17
  40       }
  41
  42       bb1: {
  43 +         StorageDead(_11);                // scope 0 at $DIR/early_otherwise_branch.rs:6:14: 6:15
  44           _0 = const 1_u32;                // scope 0 at $DIR/early_otherwise_branch.rs:6:14: 6:15
  45 -         goto -> bb4;                     // scope 0 at $DIR/early_otherwise_branch.rs:6:14: 6:15
  46 +         goto -> bb3;                     // scope 0 at $DIR/early_otherwise_branch.rs:6:14: 6:15
  47       }
  48
  49       bb2: {
  50 -         _6 = discriminant((_3.1: std::option::Option<u32>)); // scope 0 at $DIR/early_otherwise_branch.rs:4:11: 4:17
  51 -         switchInt(move _6) -> [1_isize: bb3, otherwise: bb1]; // scope 0 at $DIR/early_otherwise_branch.rs:4:5: 4:17
  52 -     }
  53 -
  54 -     bb3: {
  55           StorageLive(_8);                 // scope 0 at $DIR/early_otherwise_branch.rs:5:15: 5:16
  56           _8 = (((_3.0: std::option::Option<u32>) as Some).0: u32); // scope 0 at $DIR/early_otherwise_branch.rs:5:15: 5:16
  57           StorageLive(_9);                 // scope 0 at $DIR/early_otherwise_branch.rs:5:24: 5:25
  58           _9 = (((_3.1: std::option::Option<u32>) as Some).0: u32); // scope 0 at $DIR/early_otherwise_branch.rs:5:24: 5:25
  59           _0 = const 0_u32;                // scope 1 at $DIR/early_otherwise_branch.rs:5:31: 5:32
  60           StorageDead(_9);                 // scope 0 at $DIR/early_otherwise_branch.rs:5:31: 5:32
  61           StorageDead(_8);                 // scope 0 at $DIR/early_otherwise_branch.rs:5:31: 5:32
  62 -         goto -> bb4;                     // scope 0 at $DIR/early_otherwise_branch.rs:5:31: 5:32
  63 +         goto -> bb3;                     // scope 0 at $DIR/early_otherwise_branch.rs:5:31: 5:32
  64       }
  65
  66 -     bb4: {
  67 +     bb3: {
  68           StorageDead(_3);                 // scope 0 at $DIR/early_otherwise_branch.rs:8:1: 8:2
  69           return;                          // scope 0 at $DIR/early_otherwise_branch.rs:8:2: 8:2
  70 +     }
  71 +
  72 +     bb4: {
  73 +         StorageDead(_11);                // scope 0 at $DIR/early_otherwise_branch.rs:5:19: 5:26
  74 +         switchInt(_7) -> [1_isize: bb2, otherwise: bb1]; // scope 0 at $DIR/early_otherwise_branch.rs:5:19: 5:26
  75       }
  76   }
  77