diff options
Diffstat (limited to 'tests/codegen/function-arguments.rs')
| -rw-r--r-- | tests/codegen/function-arguments.rs | 58 |
1 files changed, 42 insertions, 16 deletions
diff --git a/tests/codegen/function-arguments.rs b/tests/codegen/function-arguments.rs index 0f9e90f6ba7..1f979d7b90a 100644 --- a/tests/codegen/function-arguments.rs +++ b/tests/codegen/function-arguments.rs @@ -1,11 +1,11 @@ // compile-flags: -O -C no-prepopulate-passes #![crate_type = "lib"] -#![feature(rustc_attrs)] use std::mem::MaybeUninit; use std::num::NonZeroU64; use std::marker::PhantomPinned; +use std::ptr::NonNull; pub struct S { _field: [i32; 8], @@ -61,7 +61,7 @@ pub fn maybeuninit_char(x: MaybeUninit<char>) -> MaybeUninit<char> { x } -// CHECK: i64 @int(i64 %x) +// CHECK: noundef i64 @int(i64 noundef %x) #[no_mangle] pub fn int(x: u64) -> u64 { x @@ -73,7 +73,7 @@ pub fn nonzero_int(x: NonZeroU64) -> NonZeroU64 { x } -// CHECK: i64 @option_nonzero_int(i64 %x) +// CHECK: noundef i64 @option_nonzero_int(i64 noundef %x) #[no_mangle] pub fn option_nonzero_int(x: Option<NonZeroU64>) -> Option<NonZeroU64> { x @@ -138,11 +138,27 @@ pub fn indirect_struct(_: S) { pub fn borrowed_struct(_: &S) { } -// CHECK: @raw_struct({{%S\*|ptr}} %_1) +// CHECK: @option_borrow({{i32\*|ptr}} noalias noundef readonly align 4 dereferenceable_or_null(4) %x) +#[no_mangle] +pub fn option_borrow(x: Option<&i32>) { +} + +// CHECK: @option_borrow_mut({{i32\*|ptr}} noalias noundef align 4 dereferenceable_or_null(4) %x) +#[no_mangle] +pub fn option_borrow_mut(x: Option<&mut i32>) { +} + +// CHECK: @raw_struct({{%S\*|ptr}} noundef %_1) #[no_mangle] pub fn raw_struct(_: *const S) { } +// CHECK: @raw_option_nonnull_struct({{i32\*|ptr}} noundef %_1) +#[no_mangle] +pub fn raw_option_nonnull_struct(_: Option<NonNull<S>>) { +} + + // `Box` can get deallocated during execution of the function, so it should // not get `dereferenceable`. // CHECK: noundef nonnull align 4 {{i32\*|ptr}} @_box({{i32\*|ptr}} noalias noundef nonnull align 4 %x) @@ -160,35 +176,35 @@ pub fn struct_return() -> S { } // Hack to get the correct size for the length part in slices -// CHECK: @helper([[USIZE:i[0-9]+]] %_1) +// CHECK: @helper([[USIZE:i[0-9]+]] noundef %_1) #[no_mangle] pub fn helper(_: usize) { } -// CHECK: @slice({{\[0 x i8\]\*|ptr}} noalias noundef nonnull readonly align 1 %_1.0, [[USIZE]] %_1.1) +// CHECK: @slice({{\[0 x i8\]\*|ptr}} noalias noundef nonnull readonly align 1 %_1.0, [[USIZE]] noundef %_1.1) // FIXME #25759 This should also have `nocapture` #[no_mangle] pub fn slice(_: &[u8]) { } -// CHECK: @mutable_slice({{\[0 x i8\]\*|ptr}} noalias noundef nonnull align 1 %_1.0, [[USIZE]] %_1.1) +// CHECK: @mutable_slice({{\[0 x i8\]\*|ptr}} noalias noundef nonnull align 1 %_1.0, [[USIZE]] noundef %_1.1) // FIXME #25759 This should also have `nocapture` #[no_mangle] pub fn mutable_slice(_: &mut [u8]) { } -// CHECK: @unsafe_slice({{\[0 x i16\]\*|ptr}} noundef nonnull align 2 %_1.0, [[USIZE]] %_1.1) +// CHECK: @unsafe_slice({{\[0 x i16\]\*|ptr}} noundef nonnull align 2 %_1.0, [[USIZE]] noundef %_1.1) // unsafe interior means this isn't actually readonly and there may be aliases ... #[no_mangle] pub fn unsafe_slice(_: &[UnsafeInner]) { } -// CHECK: @raw_slice({{\[0 x i8\]\*|ptr}} %_1.0, [[USIZE]] %_1.1) +// CHECK: @raw_slice({{\[0 x i8\]\*|ptr}} noundef %_1.0, [[USIZE]] noundef %_1.1) #[no_mangle] pub fn raw_slice(_: *const [u8]) { } -// CHECK: @str({{\[0 x i8\]\*|ptr}} noalias noundef nonnull readonly align 1 %_1.0, [[USIZE]] %_1.1) +// CHECK: @str({{\[0 x i8\]\*|ptr}} noalias noundef nonnull readonly align 1 %_1.0, [[USIZE]] noundef %_1.1) // FIXME #25759 This should also have `nocapture` #[no_mangle] pub fn str(_: &[u8]) { @@ -197,26 +213,36 @@ pub fn str(_: &[u8]) { // CHECK: @trait_borrow({{\{\}\*|ptr}} noundef nonnull align 1 %_1.0, {{.+}} noalias noundef readonly align {{.*}} dereferenceable({{.*}}) %_1.1) // FIXME #25759 This should also have `nocapture` #[no_mangle] -pub fn trait_borrow(_: &Drop) { +pub fn trait_borrow(_: &dyn Drop) { +} + +// CHECK: @option_trait_borrow({{i8\*|ptr}} noundef align 1 %x.0, {{i8\*|ptr}} %x.1) +#[no_mangle] +pub fn option_trait_borrow(x: Option<&dyn Drop>) { +} + +// CHECK: @option_trait_borrow_mut({{i8\*|ptr}} noundef align 1 %x.0, {{i8\*|ptr}} %x.1) +#[no_mangle] +pub fn option_trait_borrow_mut(x: Option<&mut dyn Drop>) { } -// CHECK: @trait_raw({{\{\}\*|ptr}} %_1.0, {{.+}} noalias noundef readonly align {{.*}} dereferenceable({{.*}}) %_1.1) +// CHECK: @trait_raw({{\{\}\*|ptr}} noundef %_1.0, {{.+}} noalias noundef readonly align {{.*}} dereferenceable({{.*}}) %_1.1) #[no_mangle] -pub fn trait_raw(_: *const Drop) { +pub fn trait_raw(_: *const dyn Drop) { } // CHECK: @trait_box({{\{\}\*|ptr}} noalias noundef nonnull align 1{{( %0)?}}, {{.+}} noalias noundef readonly align {{.*}} dereferenceable({{.*}}){{( %1)?}}) #[no_mangle] -pub fn trait_box(_: Box<Drop>) { +pub fn trait_box(_: Box<dyn Drop>) { } // CHECK: { {{i8\*|ptr}}, {{i8\*|ptr}} } @trait_option({{i8\*|ptr}} noalias noundef align 1 %x.0, {{i8\*|ptr}} %x.1) #[no_mangle] -pub fn trait_option(x: Option<Box<Drop>>) -> Option<Box<Drop>> { +pub fn trait_option(x: Option<Box<dyn Drop>>) -> Option<Box<dyn Drop>> { x } -// CHECK: { {{\[0 x i16\]\*|ptr}}, [[USIZE]] } @return_slice({{\[0 x i16\]\*|ptr}} noalias noundef nonnull readonly align 2 %x.0, [[USIZE]] %x.1) +// CHECK: { {{\[0 x i16\]\*|ptr}}, [[USIZE]] } @return_slice({{\[0 x i16\]\*|ptr}} noalias noundef nonnull readonly align 2 %x.0, [[USIZE]] noundef %x.1) #[no_mangle] pub fn return_slice(x: &[u16]) -> &[u16] { x |