113 lines
4.3 KiB
Diff
113 lines
4.3 KiB
Diff
- // MIR for `main` before GVN
|
|
+ // MIR for `main` after GVN
|
|
|
|
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 {
|
|
}
|
|
scope 4 (inlined Unique::<[bool; 0]>::dangling) {
|
|
let mut _5: std::ptr::NonNull<[bool; 0]>;
|
|
scope 5 (inlined NonNull::<[bool; 0]>::dangling) {
|
|
let _6: *mut [bool; 0];
|
|
scope 6 {
|
|
scope 10 (inlined NonNull::<[bool; 0]>::new_unchecked) {
|
|
let mut _8: bool;
|
|
let _9: ();
|
|
let mut _10: *mut ();
|
|
let mut _11: *const [bool; 0];
|
|
scope 11 (inlined core::ub_checks::check_language_ub) {
|
|
scope 12 (inlined core::ub_checks::check_language_ub::runtime) {
|
|
}
|
|
}
|
|
}
|
|
}
|
|
scope 7 (inlined dangling_mut::<[bool; 0]>) {
|
|
let mut _7: usize;
|
|
scope 8 (inlined align_of::<[bool; 0]>) {
|
|
}
|
|
scope 9 (inlined without_provenance_mut::<[bool; 0]>) {
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bb0: {
|
|
StorageLive(_1);
|
|
StorageLive(_2);
|
|
StorageLive(_3);
|
|
StorageLive(_9);
|
|
StorageLive(_4);
|
|
StorageLive(_5);
|
|
StorageLive(_6);
|
|
StorageLive(_7);
|
|
- _7 = AlignOf([bool; 0]);
|
|
- _6 = copy _7 as *mut [bool; 0] (Transmute);
|
|
+ _7 = const 1_usize;
|
|
+ _6 = const {0x1 as *mut [bool; 0]};
|
|
StorageDead(_7);
|
|
StorageLive(_11);
|
|
StorageLive(_8);
|
|
_8 = UbChecks();
|
|
switchInt(move _8) -> [0: bb4, otherwise: bb2];
|
|
}
|
|
|
|
bb1: {
|
|
StorageDead(_1);
|
|
return;
|
|
}
|
|
|
|
bb2: {
|
|
StorageLive(_10);
|
|
- _10 = copy _6 as *mut () (PtrToPtr);
|
|
- _9 = NonNull::<T>::new_unchecked::precondition_check(move _10) -> [return: bb3, unwind unreachable];
|
|
+ _10 = const {0x1 as *mut ()};
|
|
+ _9 = NonNull::<T>::new_unchecked::precondition_check(const {0x1 as *mut ()}) -> [return: bb3, unwind unreachable];
|
|
}
|
|
|
|
bb3: {
|
|
StorageDead(_10);
|
|
goto -> bb4;
|
|
}
|
|
|
|
bb4: {
|
|
StorageDead(_8);
|
|
- _11 = copy _6 as *const [bool; 0] (PtrToPtr);
|
|
- _5 = NonNull::<[bool; 0]> { pointer: copy _11 };
|
|
+ _11 = const {0x1 as *const [bool; 0]};
|
|
+ _5 = const NonNull::<[bool; 0]> {{ pointer: {0x1 as *const [bool; 0]} }};
|
|
StorageDead(_11);
|
|
StorageDead(_6);
|
|
- _4 = Unique::<[bool; 0]> { pointer: move _5, _marker: const PhantomData::<[bool; 0]> };
|
|
+ _4 = const Unique::<[bool; 0]> {{ pointer: NonNull::<[bool; 0]> {{ pointer: {0x1 as *const [bool; 0]} }}, _marker: PhantomData::<[bool; 0]> }};
|
|
StorageDead(_5);
|
|
- _3 = move _4 as std::ptr::Unique<[bool]> (PointerCoercion(Unsize, Implicit));
|
|
+ _3 = const Unique::<[bool]> {{ pointer: NonNull::<[bool]> {{ pointer: Indirect { alloc_id: ALLOC0, offset: Size(0 bytes) }: *const [bool] }}, _marker: PhantomData::<[bool]> }};
|
|
StorageDead(_4);
|
|
- _2 = Box::<[bool]>(copy _3, const std::alloc::Global);
|
|
+ _2 = const Box::<[bool]>(Unique::<[bool]> {{ pointer: NonNull::<[bool]> {{ pointer: Indirect { alloc_id: ALLOC1, offset: Size(0 bytes) }: *const [bool] }}, _marker: PhantomData::<[bool]> }}, std::alloc::Global);
|
|
StorageDead(_9);
|
|
StorageDead(_3);
|
|
- _1 = A { foo: move _2 };
|
|
+ _1 = const A {{ foo: Box::<[bool]>(Unique::<[bool]> {{ pointer: NonNull::<[bool]> {{ pointer: Indirect { alloc_id: ALLOC2, offset: Size(0 bytes) }: *const [bool] }}, _marker: PhantomData::<[bool]> }}, std::alloc::Global) }};
|
|
StorageDead(_2);
|
|
_0 = const ();
|
|
drop(_1) -> [return: bb1, unwind unreachable];
|
|
}
|
|
}
|
|
+
|
|
+ ALLOC2 (size: 8, align: 4) { .. }
|
|
+
|
|
+ ALLOC1 (size: 8, align: 4) { .. }
|
|
+
|
|
+ ALLOC0 (size: 8, align: 4) { .. }
|
|
|