src/test/mir-opt/inline/inline_shims.drop.Inline.diff

   1 - // MIR for `drop` before Inline
   2 + // MIR for `drop` after Inline
   3
   4   fn drop(_1: *mut Vec<A>, _2: *mut Option<B>) -> () {
   5       debug a => _1;                       // in scope 0 at $DIR/inline-shims.rs:10:19: 10:20
   6       debug b => _2;                       // in scope 0 at $DIR/inline-shims.rs:10:35: 10:36
   7       let mut _0: ();                      // return place in scope 0 at $DIR/inline-shims.rs:10:54: 10:54
   8       let _3: ();                          // in scope 0 at $DIR/inline-shims.rs:11:14: 11:40
   9       let mut _4: *mut std::vec::Vec<A>;   // in scope 0 at $DIR/inline-shims.rs:11:38: 11:39
  10       let mut _5: *mut std::option::Option<B>; // in scope 0 at $DIR/inline-shims.rs:12:38: 12:39
  11       scope 1 {
  12       }
  13       scope 2 {
  14 +         scope 3 (inlined std::ptr::drop_in_place::<Option<B>> - shim(Some(Option<B>))) { // at $DIR/inline-shims.rs:12:14: 12:40
  15 +             let mut _6: isize;           // in scope 3 at $DIR/inline-shims.rs:12:14: 12:40
  16 +             let mut _7: isize;           // in scope 3 at $DIR/inline-shims.rs:12:14: 12:40
  17 +         }
  18       }
  19
  20       bb0: {
  21           StorageLive(_3);                 // scope 0 at $DIR/inline-shims.rs:11:5: 11:42
  22           StorageLive(_4);                 // scope 1 at $DIR/inline-shims.rs:11:38: 11:39
  23           _4 = _1;                         // scope 1 at $DIR/inline-shims.rs:11:38: 11:39
  24           _3 = std::ptr::drop_in_place::<Vec<A>>(move _4) -> bb1; // scope 1 at $DIR/inline-shims.rs:11:14: 11:40
  25                                            // mir::Constant
  26                                            // + span: $DIR/inline-shims.rs:11:14: 11:37
  27                                            // + literal: Const { ty: unsafe fn(*mut std::vec::Vec<A>) {std::ptr::drop_in_place::<std::vec::Vec<A>>}, val: Value(Scalar(<ZST>)) }
  28       }
  29
  30       bb1: {
  31           StorageDead(_4);                 // scope 1 at $DIR/inline-shims.rs:11:39: 11:40
  32           StorageDead(_3);                 // scope 0 at $DIR/inline-shims.rs:11:41: 11:42
  33           StorageLive(_5);                 // scope 2 at $DIR/inline-shims.rs:12:38: 12:39
  34           _5 = _2;                         // scope 2 at $DIR/inline-shims.rs:12:38: 12:39
  35 -         _0 = std::ptr::drop_in_place::<Option<B>>(move _5) -> bb2; // scope 2 at $DIR/inline-shims.rs:12:14: 12:40
  36 -                                          // mir::Constant
  37 -                                          // + span: $DIR/inline-shims.rs:12:14: 12:37
  38 -                                          // + literal: Const { ty: unsafe fn(*mut std::option::Option<B>) {std::ptr::drop_in_place::<std::option::Option<B>>}, val: Value(Scalar(<ZST>)) }
  39 +         StorageLive(_6);                 // scope 2 at $DIR/inline-shims.rs:12:14: 12:40
  40 +         StorageLive(_7);                 // scope 2 at $DIR/inline-shims.rs:12:14: 12:40
  41 +         _6 = discriminant((*_5));        // scope 3 at $DIR/inline-shims.rs:12:14: 12:40
  42 +         switchInt(move _6) -> [0_isize: bb2, otherwise: bb3]; // scope 3 at $DIR/inline-shims.rs:12:14: 12:40
  43       }
  44
  45       bb2: {
  46 +         StorageDead(_7);                 // scope 2 at $DIR/inline-shims.rs:12:14: 12:40
  47 +         StorageDead(_6);                 // scope 2 at $DIR/inline-shims.rs:12:14: 12:40
  48           StorageDead(_5);                 // scope 2 at $DIR/inline-shims.rs:12:39: 12:40
  49           return;                          // scope 0 at $DIR/inline-shims.rs:13:2: 13:2
  50 +     }
  51 +
  52 +     bb3: {
  53 +         drop((((*_5) as Some).0: B)) -> bb2; // scope 3 at $DIR/inline-shims.rs:12:14: 12:40
  54       }
  55   }
  56