src/test/mir-opt/derefer_inline_test.main.Derefer.diff

   1 - // MIR for `main` before Derefer
   2 + // MIR for `main` after Derefer
   3
   4   fn main() -> () {
   5       let mut _0: ();                      // return place in scope 0 at $DIR/derefer_inline_test.rs:9:11: 9:11
   6       let _1: std::boxed::Box<std::boxed::Box<u32>>; // in scope 0 at $DIR/derefer_inline_test.rs:10:5: 10:12
   7       let mut _2: usize;                   // in scope 0 at $DIR/derefer_inline_test.rs:10:5: 10:12
   8       let mut _3: usize;                   // in scope 0 at $DIR/derefer_inline_test.rs:10:5: 10:12
   9       let mut _4: *mut u8;                 // in scope 0 at $DIR/derefer_inline_test.rs:10:5: 10:12
  10       let mut _5: std::boxed::Box<std::boxed::Box<u32>>; // in scope 0 at $DIR/derefer_inline_test.rs:10:5: 10:12
  11       let mut _6: ();                      // in scope 0 at $DIR/derefer_inline_test.rs:10:11: 10:12
  12       scope 1 {
  13       }
  14
  15       bb0: {
  16           StorageLive(_1);                 // scope 0 at $DIR/derefer_inline_test.rs:10:5: 10:12
  17           _2 = SizeOf(std::boxed::Box<u32>); // scope 1 at $DIR/derefer_inline_test.rs:10:5: 10:12
  18           _3 = AlignOf(std::boxed::Box<u32>); // scope 1 at $DIR/derefer_inline_test.rs:10:5: 10:12
  19           _4 = alloc::alloc::exchange_malloc(move _2, move _3) -> bb1; // scope 1 at $DIR/derefer_inline_test.rs:10:5: 10:12
  20                                            // mir::Constant
  21                                            // + span: $DIR/derefer_inline_test.rs:10:5: 10:12
  22                                            // + literal: Const { ty: unsafe fn(usize, usize) -> *mut u8 {alloc::alloc::exchange_malloc}, val: Value(Scalar(<ZST>)) }
  23       }
  24
  25       bb1: {
  26           StorageLive(_5);                 // scope 0 at $DIR/derefer_inline_test.rs:10:5: 10:12
  27           _5 = ShallowInitBox(move _4, std::boxed::Box<u32>); // scope 0 at $DIR/derefer_inline_test.rs:10:5: 10:12
  28           (*_5) = f() -> [return: bb2, unwind: bb5]; // scope 0 at $DIR/derefer_inline_test.rs:10:9: 10:12
  29                                            // mir::Constant
  30                                            // + span: $DIR/derefer_inline_test.rs:10:9: 10:10
  31                                            // + literal: Const { ty: fn() -> Box<u32> {f}, val: Value(Scalar(<ZST>)) }
  32       }
  33
  34       bb2: {
  35           _1 = move _5;                    // scope 0 at $DIR/derefer_inline_test.rs:10:5: 10:12
  36           goto -> bb3;                     // scope 0 at $DIR/derefer_inline_test.rs:10:11: 10:12
  37       }
  38
  39       bb3: {
  40           StorageDead(_5);                 // scope 0 at $DIR/derefer_inline_test.rs:10:11: 10:12
  41           drop(_1) -> [return: bb4, unwind: bb6]; // scope 0 at $DIR/derefer_inline_test.rs:10:12: 10:13
  42       }
  43
  44       bb4: {
  45           StorageDead(_1);                 // scope 0 at $DIR/derefer_inline_test.rs:10:12: 10:13
  46           _0 = const ();                   // scope 0 at $DIR/derefer_inline_test.rs:9:11: 11:2
  47           return;                          // scope 0 at $DIR/derefer_inline_test.rs:11:2: 11:2
  48       }
  49
  50       bb5 (cleanup): {
  51           goto -> bb8;                     // scope 0 at $DIR/derefer_inline_test.rs:10:11: 10:12
  52       }
  53
  54       bb6 (cleanup): {
  55           resume;                          // scope 0 at $DIR/derefer_inline_test.rs:9:1: 11:2
  56       }
  57
  58       bb7 (cleanup): {
  59           _6 = alloc::alloc::box_free::<Box<u32>, std::alloc::Global>(move (_5.0: std::ptr::Unique<std::boxed::Box<u32>>), move (_5.1: std::alloc::Global)) -> bb6; // scope 0 at $DIR/derefer_inline_test.rs:10:11: 10:12
  60                                            // mir::Constant
  61                                            // + span: $DIR/derefer_inline_test.rs:10:11: 10:12
  62                                            // + literal: Const { ty: unsafe fn(Unique<Box<u32>>, std::alloc::Global) {alloc::alloc::box_free::<Box<u32>, std::alloc::Global>}, val: Value(Scalar(<ZST>)) }
  63       }
  64
  65       bb8 (cleanup): {
  66           goto -> bb7;                     // scope 0 at $DIR/derefer_inline_test.rs:10:11: 10:12
  67       }
  68   }
  69