tests/mir-opt/dest-prop/cycle.main.DestinationPropagation.diff

   1 - // MIR for `main` before DestinationPropagation
   2 + // MIR for `main` after DestinationPropagation
   3
   4   fn main() -> () {
   5       let mut _0: ();                      // return place in scope 0 at $DIR/cycle.rs:+0:11: +0:11
   6       let mut _1: i32;                     // in scope 0 at $DIR/cycle.rs:+1:9: +1:14
   7       let mut _4: i32;                     // in scope 0 at $DIR/cycle.rs:+4:9: +4:10
   8       let _5: ();                          // in scope 0 at $DIR/cycle.rs:+6:5: +6:12
   9       let mut _6: i32;                     // in scope 0 at $DIR/cycle.rs:+6:10: +6:11
  10       scope 1 {
  11 -         debug x => _1;                   // in scope 1 at $DIR/cycle.rs:+1:9: +1:14
  12 +         debug x => _6;                   // in scope 1 at $DIR/cycle.rs:+1:9: +1:14
  13           let _2: i32;                     // in scope 1 at $DIR/cycle.rs:+2:9: +2:10
  14           scope 2 {
  15 -             debug y => _2;               // in scope 2 at $DIR/cycle.rs:+2:9: +2:10
  16 +             debug y => _6;               // in scope 2 at $DIR/cycle.rs:+2:9: +2:10
  17               let _3: i32;                 // in scope 2 at $DIR/cycle.rs:+3:9: +3:10
  18               scope 3 {
  19 -                 debug z => _3;           // in scope 3 at $DIR/cycle.rs:+3:9: +3:10
  20 +                 debug z => _6;           // in scope 3 at $DIR/cycle.rs:+3:9: +3:10
  21               }
  22           }
  23       }
  24
  25       bb0: {
  26 -         StorageLive(_1);                 // scope 0 at $DIR/cycle.rs:+1:9: +1:14
  27 -         _1 = val() -> bb1;               // scope 0 at $DIR/cycle.rs:+1:17: +1:22
  28 +         nop;                             // scope 0 at $DIR/cycle.rs:+1:9: +1:14
  29 +         _6 = val() -> bb1;               // scope 0 at $DIR/cycle.rs:+1:17: +1:22
  30                                            // mir::Constant
  31                                            // + span: $DIR/cycle.rs:9:17: 9:20
  32                                            // + literal: Const { ty: fn() -> i32 {val}, val: Value(<ZST>) }
  33       }
  34
  35       bb1: {
  36 -         StorageLive(_2);                 // scope 1 at $DIR/cycle.rs:+2:9: +2:10
  37 -         _2 = _1;                         // scope 1 at $DIR/cycle.rs:+2:13: +2:14
  38 -         StorageLive(_3);                 // scope 2 at $DIR/cycle.rs:+3:9: +3:10
  39 -         _3 = _2;                         // scope 2 at $DIR/cycle.rs:+3:13: +3:14
  40 -         StorageLive(_4);                 // scope 3 at $DIR/cycle.rs:+4:9: +4:10
  41 -         _4 = _3;                         // scope 3 at $DIR/cycle.rs:+4:9: +4:10
  42 -         _1 = move _4;                    // scope 3 at $DIR/cycle.rs:+4:5: +4:10
  43 -         StorageDead(_4);                 // scope 3 at $DIR/cycle.rs:+4:9: +4:10
  44 +         nop;                             // scope 1 at $DIR/cycle.rs:+2:9: +2:10
  45 +         nop;                             // scope 1 at $DIR/cycle.rs:+2:13: +2:14
  46 +         nop;                             // scope 2 at $DIR/cycle.rs:+3:9: +3:10
  47 +         nop;                             // scope 2 at $DIR/cycle.rs:+3:13: +3:14
  48 +         nop;                             // scope 3 at $DIR/cycle.rs:+4:9: +4:10
  49 +         nop;                             // scope 3 at $DIR/cycle.rs:+4:9: +4:10
  50 +         nop;                             // scope 3 at $DIR/cycle.rs:+4:5: +4:10
  51 +         nop;                             // scope 3 at $DIR/cycle.rs:+4:9: +4:10
  52           StorageLive(_5);                 // scope 3 at $DIR/cycle.rs:+6:5: +6:12
  53 -         StorageLive(_6);                 // scope 3 at $DIR/cycle.rs:+6:10: +6:11
  54 -         _6 = _1;                         // scope 3 at $DIR/cycle.rs:+6:10: +6:11
  55 +         nop;                             // scope 3 at $DIR/cycle.rs:+6:10: +6:11
  56 +         nop;                             // scope 3 at $DIR/cycle.rs:+6:10: +6:11
  57           _5 = std::mem::drop::<i32>(move _6) -> bb2; // scope 3 at $DIR/cycle.rs:+6:5: +6:12
  58                                            // mir::Constant
  59                                            // + span: $DIR/cycle.rs:14:5: 14:9
  60                                            // + literal: Const { ty: fn(i32) {std::mem::drop::<i32>}, val: Value(<ZST>) }
  61       }
  62
  63       bb2: {
  64 -         StorageDead(_6);                 // scope 3 at $DIR/cycle.rs:+6:11: +6:12
  65 +         nop;                             // scope 3 at $DIR/cycle.rs:+6:11: +6:12
  66           StorageDead(_5);                 // scope 3 at $DIR/cycle.rs:+6:12: +6:13
  67           _0 = const ();                   // scope 0 at $DIR/cycle.rs:+0:11: +7:2
  68 -         StorageDead(_3);                 // scope 2 at $DIR/cycle.rs:+7:1: +7:2
  69 -         StorageDead(_2);                 // scope 1 at $DIR/cycle.rs:+7:1: +7:2
  70 -         StorageDead(_1);                 // scope 0 at $DIR/cycle.rs:+7:1: +7:2
  71 +         nop;                             // scope 2 at $DIR/cycle.rs:+7:1: +7:2
  72 +         nop;                             // scope 1 at $DIR/cycle.rs:+7:1: +7:2
  73 +         nop;                             // scope 0 at $DIR/cycle.rs:+7:1: +7:2
  74           return;                          // scope 0 at $DIR/cycle.rs:+7:2: +7:2
  75       }
  76   }
  77