diff options
Diffstat (limited to 'tests/codegen/auxiliary')
-rw-r--r-- | tests/codegen/auxiliary/extern_decl.rs | 11 | ||||
-rw-r--r-- | tests/codegen/auxiliary/nounwind.rs | 3 | ||||
-rw-r--r-- | tests/codegen/auxiliary/static_dllimport_aux.rs | 13 | ||||
-rw-r--r-- | tests/codegen/auxiliary/thread_local_aux.rs | 5 |
4 files changed, 32 insertions, 0 deletions
diff --git a/tests/codegen/auxiliary/extern_decl.rs b/tests/codegen/auxiliary/extern_decl.rs new file mode 100644 index 000000000..edc483518 --- /dev/null +++ b/tests/codegen/auxiliary/extern_decl.rs @@ -0,0 +1,11 @@ +// Auxiliary crate that exports a function and static. Both always +// evaluate to `71`. We force mutability on the static to prevent +// it from being inlined as constant. + +#![crate_type = "lib"] + +#[no_mangle] +pub fn extern_fn() -> u8 { unsafe { extern_static } } + +#[no_mangle] +pub static mut extern_static: u8 = 71; diff --git a/tests/codegen/auxiliary/nounwind.rs b/tests/codegen/auxiliary/nounwind.rs new file mode 100644 index 000000000..73c5aee33 --- /dev/null +++ b/tests/codegen/auxiliary/nounwind.rs @@ -0,0 +1,3 @@ +#[no_mangle] +pub fn bar() { +} diff --git a/tests/codegen/auxiliary/static_dllimport_aux.rs b/tests/codegen/auxiliary/static_dllimport_aux.rs new file mode 100644 index 000000000..afb0dc42f --- /dev/null +++ b/tests/codegen/auxiliary/static_dllimport_aux.rs @@ -0,0 +1,13 @@ +use std::sync::atomic::{AtomicPtr, Ordering}; + +#[inline(always)] +pub fn memrchr() { + fn detect() {} + + static CROSS_CRATE_STATIC_ITEM: AtomicPtr<()> = AtomicPtr::new(detect as *mut ()); + + unsafe { + let fun = CROSS_CRATE_STATIC_ITEM.load(Ordering::SeqCst); + std::mem::transmute::<*mut (), fn()>(fun)() + } +} diff --git a/tests/codegen/auxiliary/thread_local_aux.rs b/tests/codegen/auxiliary/thread_local_aux.rs new file mode 100644 index 000000000..bebaa7754 --- /dev/null +++ b/tests/codegen/auxiliary/thread_local_aux.rs @@ -0,0 +1,5 @@ +#![crate_type = "lib"] + +use std::cell::Cell; + +thread_local!(pub static A: Cell<u64> = const { Cell::new(0) }); |