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