src/test/mir-opt/inline/inline_generator.main.Inline.diff

   1 - // MIR for `main` before Inline
   2 + // MIR for `main` after Inline
   3
   4   fn main() -> () {
   5       let mut _0: ();                      // return place in scope 0 at $DIR/inline-generator.rs:8:11: 8:11
   6       let _1: std::ops::GeneratorState<i32, bool>; // in scope 0 at $DIR/inline-generator.rs:9:9: 9:11
   7       let mut _2: std::pin::Pin<&mut [generator@$DIR/inline-generator.rs:15:5: 15:41]>; // in scope 0 at $DIR/inline-generator.rs:9:14: 9:32
   8       let mut _3: &mut [generator@$DIR/inline-generator.rs:15:5: 15:41]; // in scope 0 at $DIR/inline-generator.rs:9:23: 9:31
   9       let mut _4: [generator@$DIR/inline-generator.rs:15:5: 15:41]; // in scope 0 at $DIR/inline-generator.rs:9:28: 9:31
  10 +     let mut _7: bool;                    // in scope 0 at $DIR/inline-generator.rs:9:14: 9:46
  11       scope 1 {
  12           debug _r => _1;                  // in scope 1 at $DIR/inline-generator.rs:9:9: 9:11
  13       }
  14 +     scope 2 (inlined g) {                // at $DIR/inline-generator.rs:9:28: 9:31
  15 +     }
  16 +     scope 3 (inlined Pin::<&mut [generator@$DIR/inline-generator.rs:15:5: 15:41]>::new) { // at $DIR/inline-generator.rs:9:14: 9:32
  17 +         debug pointer => _3;             // in scope 3 at $DIR/inline-generator.rs:9:14: 9:32
  18 +         let mut _5: &mut [generator@$DIR/inline-generator.rs:15:5: 15:41]; // in scope 3 at $DIR/inline-generator.rs:9:14: 9:32
  19 +         scope 4 {
  20 +             scope 5 (inlined Pin::<&mut [generator@$DIR/inline-generator.rs:15:5: 15:41]>::new_unchecked) { // at $DIR/inline-generator.rs:9:14: 9:32
  21 +                 debug pointer => _5;     // in scope 5 at $DIR/inline-generator.rs:9:14: 9:32
  22 +                 let mut _6: &mut [generator@$DIR/inline-generator.rs:15:5: 15:41]; // in scope 5 at $DIR/inline-generator.rs:9:14: 9:32
  23 +             }
  24 +         }
  25 +     }
  26 +     scope 6 (inlined g::{closure#0}) {   // at $DIR/inline-generator.rs:9:14: 9:46
  27 +         debug a => _11;                  // in scope 6 at $DIR/inline-generator.rs:9:14: 9:46
  28 +         let mut _8: i32;                 // in scope 6 at $DIR/inline-generator.rs:9:14: 9:46
  29 +         let mut _9: bool;                // in scope 6 at $DIR/inline-generator.rs:9:14: 9:46
  30 +         let mut _10: bool;               // in scope 6 at $DIR/inline-generator.rs:9:14: 9:46
  31 +         let _11: bool;                   // in scope 6 at $DIR/inline-generator.rs:9:14: 9:46
  32 +         let mut _12: u32;                // in scope 6 at $DIR/inline-generator.rs:9:14: 9:46
  33 +     }
  34
  35       bb0: {
  36           StorageLive(_1);                 // scope 0 at $DIR/inline-generator.rs:9:9: 9:11
  37           StorageLive(_2);                 // scope 0 at $DIR/inline-generator.rs:9:14: 9:32
  38           StorageLive(_3);                 // scope 0 at $DIR/inline-generator.rs:9:23: 9:31
  39           StorageLive(_4);                 // scope 0 at $DIR/inline-generator.rs:9:28: 9:31
  40 -         _4 = g() -> bb1;                 // scope 0 at $DIR/inline-generator.rs:9:28: 9:31
  41 -                                          // mir::Constant
  42 -                                          // + span: $DIR/inline-generator.rs:9:28: 9:29
  43 -                                          // + literal: Const { ty: fn() -> impl std::ops::Generator<bool> {g}, val: Value(Scalar(<ZST>)) }
  44 -     }
  45 -
  46 -     bb1: {
  47 +         discriminant(_4) = 0;            // scope 2 at $DIR/inline-generator.rs:9:28: 9:31
  48           _3 = &mut _4;                    // scope 0 at $DIR/inline-generator.rs:9:23: 9:31
  49 -         _2 = Pin::<&mut impl Generator<bool>>::new(move _3) -> [return: bb2, unwind: bb4]; // scope 0 at $DIR/inline-generator.rs:9:14: 9:32
  50 -                                          // mir::Constant
  51 -                                          // + span: $DIR/inline-generator.rs:9:14: 9:22
  52 -                                          // + user_ty: UserType(0)
  53 -                                          // + literal: Const { ty: fn(&mut impl std::ops::Generator<bool>) -> std::pin::Pin<&mut impl std::ops::Generator<bool>> {std::pin::Pin::<&mut impl std::ops::Generator<bool>>::new}, val: Value(Scalar(<ZST>)) }
  54 -     }
  55 -
  56 -     bb2: {
  57 +         StorageLive(_5);                 // scope 4 at $DIR/inline-generator.rs:9:14: 9:32
  58 +         _5 = move _3;                    // scope 4 at $DIR/inline-generator.rs:9:14: 9:32
  59 +         StorageLive(_6);                 // scope 5 at $DIR/inline-generator.rs:9:14: 9:32
  60 +         _6 = move _5;                    // scope 5 at $DIR/inline-generator.rs:9:14: 9:32
  61 +         (_2.0: &mut [generator@$DIR/inline-generator.rs:15:5: 15:41]) = move _6; // scope 5 at $DIR/inline-generator.rs:9:14: 9:32
  62 +         StorageDead(_6);                 // scope 5 at $DIR/inline-generator.rs:9:14: 9:32
  63 +         StorageDead(_5);                 // scope 4 at $DIR/inline-generator.rs:9:14: 9:32
  64           StorageDead(_3);                 // scope 0 at $DIR/inline-generator.rs:9:31: 9:32
  65 -         _1 = <impl Generator<bool> as Generator<bool>>::resume(move _2, const false) -> [return: bb3, unwind: bb4]; // scope 0 at $DIR/inline-generator.rs:9:14: 9:46
  66 -                                          // mir::Constant
  67 -                                          // + span: $DIR/inline-generator.rs:9:33: 9:39
  68 -                                          // + literal: Const { ty: for<'r> fn(std::pin::Pin<&'r mut impl std::ops::Generator<bool>>, bool) -> std::ops::GeneratorState<<impl std::ops::Generator<bool> as std::ops::Generator<bool>>::Yield, <impl std::ops::Generator<bool> as std::ops::Generator<bool>>::Return> {<impl std::ops::Generator<bool> as std::ops::Generator<bool>>::resume}, val: Value(Scalar(<ZST>)) }
  69 +         StorageLive(_7);                 // scope 0 at $DIR/inline-generator.rs:9:14: 9:46
  70 +         _7 = const false;                // scope 0 at $DIR/inline-generator.rs:9:14: 9:46
  71 +         StorageLive(_10);                // scope 0 at $DIR/inline-generator.rs:9:14: 9:46
  72 +         StorageLive(_11);                // scope 0 at $DIR/inline-generator.rs:9:14: 9:46
  73 +         StorageLive(_12);                // scope 0 at $DIR/inline-generator.rs:9:14: 9:46
  74 +         _12 = discriminant((*(_2.0: &mut [generator@$DIR/inline-generator.rs:15:5: 15:41]))); // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
  75 +         switchInt(move _12) -> [0_u32: bb3, 1_u32: bb8, 3_u32: bb7, otherwise: bb9]; // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
  76       }
  77
  78 -     bb3: {
  79 +     bb1: {
  80 +         StorageDead(_12);                // scope 0 at $DIR/inline-generator.rs:9:14: 9:46
  81 +         StorageDead(_11);                // scope 0 at $DIR/inline-generator.rs:9:14: 9:46
  82 +         StorageDead(_10);                // scope 0 at $DIR/inline-generator.rs:9:14: 9:46
  83 +         StorageDead(_7);                 // scope 0 at $DIR/inline-generator.rs:9:14: 9:46
  84           StorageDead(_2);                 // scope 0 at $DIR/inline-generator.rs:9:45: 9:46
  85           StorageDead(_4);                 // scope 0 at $DIR/inline-generator.rs:9:46: 9:47
  86           _0 = const ();                   // scope 0 at $DIR/inline-generator.rs:8:11: 10:2
  87           StorageDead(_1);                 // scope 0 at $DIR/inline-generator.rs:10:1: 10:2
  88           return;                          // scope 0 at $DIR/inline-generator.rs:10:2: 10:2
  89       }
  90
  91 -     bb4 (cleanup): {
  92 +     bb2 (cleanup): {
  93           resume;                          // scope 0 at $DIR/inline-generator.rs:8:1: 10:2
  94 +     }
  95 +
  96 +     bb3: {
  97 +         _11 = move _7;                   // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
  98 +         StorageLive(_8);                 // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
  99 +         StorageLive(_9);                 // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 100 +         _9 = _11;                        // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 101 +         switchInt(move _9) -> [false: bb5, otherwise: bb4]; // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 102 +     }
 103 +
 104 +     bb4: {
 105 +         _8 = const 7_i32;                // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 106 +         goto -> bb6;                     // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 107 +     }
 108 +
 109 +     bb5: {
 110 +         _8 = const 13_i32;               // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 111 +         goto -> bb6;                     // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 112 +     }
 113 +
 114 +     bb6: {
 115 +         StorageDead(_9);                 // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 116 +         ((_1 as Yielded).0: i32) = move _8; // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 117 +         discriminant(_1) = 0;            // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 118 +         discriminant((*(_2.0: &mut [generator@$DIR/inline-generator.rs:15:5: 15:41]))) = 3; // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 119 +         goto -> bb1;                     // scope 0 at $DIR/inline-generator.rs:15:11: 15:39
 120 +     }
 121 +
 122 +     bb7: {
 123 +         StorageLive(_8);                 // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 124 +         _10 = move _7;                   // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 125 +         StorageDead(_8);                 // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 126 +         ((_1 as Complete).0: bool) = move _10; // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 127 +         discriminant(_1) = 1;            // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 128 +         discriminant((*(_2.0: &mut [generator@$DIR/inline-generator.rs:15:5: 15:41]))) = 1; // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 129 +         goto -> bb1;                     // scope 0 at $DIR/inline-generator.rs:15:41: 15:41
 130 +     }
 131 +
 132 +     bb8: {
 133 +         assert(const false, "generator resumed after completion") -> [success: bb8, unwind: bb2]; // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 134 +     }
 135 +
 136 +     bb9: {
 137 +         unreachable;                     // scope 6 at $DIR/inline-generator.rs:9:14: 9:46
 138       }
 139   }
 140