diff options
Diffstat (limited to 'src/test/codegen/box-maybe-uninit.rs')
-rw-r--r-- | src/test/codegen/box-maybe-uninit.rs | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/src/test/codegen/box-maybe-uninit.rs b/src/test/codegen/box-maybe-uninit.rs deleted file mode 100644 index e105e26f1..000000000 --- a/src/test/codegen/box-maybe-uninit.rs +++ /dev/null @@ -1,25 +0,0 @@ -// compile-flags: -O -// min-llvm-version: 15.0 -#![crate_type="lib"] - -use std::mem::MaybeUninit; - -// Boxing a `MaybeUninit` value should not copy junk from the stack -#[no_mangle] -pub fn box_uninitialized() -> Box<MaybeUninit<usize>> { - // CHECK-LABEL: @box_uninitialized - // CHECK-NOT: store - // CHECK-NOT: alloca - // CHECK-NOT: memcpy - // CHECK-NOT: memset - Box::new(MaybeUninit::uninit()) -} - -// FIXME: add a test for a bigger box. Currently broken, see -// https://github.com/rust-lang/rust/issues/58201. - -// Hide the `allocalign` attribute in the declaration of __rust_alloc -// from the CHECK-NOT above, and also verify the attributes got set reasonably. -// CHECK: declare noalias ptr @__rust_alloc(i{{[0-9]+}}, i{{[0-9]+}} allocalign) unnamed_addr [[RUST_ALLOC_ATTRS:#[0-9]+]] - -// CHECK-DAG: attributes [[RUST_ALLOC_ATTRS]] = { {{.*}} allockind("alloc,uninitialized,aligned") allocsize(0) uwtable "alloc-family"="__rust_alloc" {{.*}} } |