rust/tests/mir-opt/instsimplify/casts.roundtrip.InstSimplif...

27 lines
694 B
Diff

- // MIR for `roundtrip` before InstSimplify
+ // MIR for `roundtrip` after InstSimplify
fn roundtrip(_1: *const u8) -> *const u8 {
debug x => _1;
let mut _0: *const u8;
let mut _2: *const u8;
let mut _3: *mut u8;
let mut _4: *const u8;
bb0: {
StorageLive(_2);
StorageLive(_3);
StorageLive(_4);
_4 = _1;
_3 = move _4 as *mut u8 (PtrToPtr);
_2 = move _3 as *const u8 (PointerCoercion(MutToConstPointer));
StorageDead(_4);
StorageDead(_3);
- _0 = move _2 as *const u8 (PtrToPtr);
+ _0 = move _2;
StorageDead(_2);
return;
}
}