os-rust/tests/mir-opt/dataflow-const-prop/default_boxed_slice.main.DataflowConstProp.32bit.panic-unwind.diff
2024-02-08 19:56:30 -05:00

100 lines
3.2 KiB
Diff

- // MIR for `main` before DataflowConstProp
+ // MIR for `main` after DataflowConstProp
fn main() -> () {
let mut _0: ();
let _1: A;
let mut _2: std::boxed::Box<[bool]>;
scope 1 {
debug a => _1;
}
scope 2 (inlined <Box<[bool]> as Default>::default) {
let _3: std::ptr::Unique<[bool]>;
let mut _4: std::ptr::Unique<[bool; 0]>;
scope 3 {
debug ptr => _3;
}
scope 4 (inlined Unique::<[bool; 0]>::dangling) {
let mut _5: std::ptr::NonNull<[bool; 0]>;
scope 5 (inlined NonNull::<[bool; 0]>::dangling) {
let mut _7: usize;
scope 6 {
let _6: *mut [bool; 0];
scope 7 {
debug ptr => _6;
scope 11 (inlined NonNull::<[bool; 0]>::new_unchecked) {
debug ptr => _6;
let mut _8: bool;
let _9: ();
let mut _10: *mut ();
let mut _11: *const [bool; 0];
scope 12 {
}
}
}
scope 8 (inlined align_of::<[bool; 0]>) {
}
scope 9 (inlined invalid_mut::<[bool; 0]>) {
debug addr => _7;
scope 10 {
}
}
}
}
}
}
bb0: {
StorageLive(_1);
StorageLive(_2);
StorageLive(_3);
StorageLive(_9);
StorageLive(_4);
StorageLive(_5);
StorageLive(_6);
StorageLive(_7);
_7 = const 1_usize;
_6 = const {0x1 as *mut [bool; 0]};
StorageDead(_7);
StorageLive(_10);
StorageLive(_11);
StorageLive(_8);
_8 = cfg!(debug_assertions);
switchInt(move _8) -> [0: bb4, otherwise: bb3];
}
bb1: {
StorageDead(_1);
return;
}
bb2 (cleanup): {
resume;
}
bb3: {
_10 = const {0x1 as *mut [bool; 0]} as *mut () (PtrToPtr);
_9 = NonNull::<T>::new_unchecked::precondition_check(move _10) -> [return: bb4, unwind unreachable];
}
bb4: {
StorageDead(_8);
_11 = const {0x1 as *mut [bool; 0]} as *const [bool; 0] (PointerCoercion(MutToConstPointer));
_5 = NonNull::<[bool; 0]> { pointer: _11 };
StorageDead(_11);
StorageDead(_10);
StorageDead(_6);
_4 = Unique::<[bool; 0]> { pointer: move _5, _marker: const PhantomData::<[bool; 0]> };
StorageDead(_5);
_3 = move _4 as std::ptr::Unique<[bool]> (PointerCoercion(Unsize));
StorageDead(_4);
_2 = Box::<[bool]>(_3, const std::alloc::Global);
StorageDead(_9);
StorageDead(_3);
_1 = A { foo: move _2 };
StorageDead(_2);
_0 = const ();
drop(_1) -> [return: bb1, unwind: bb2];
}
}