diff options
Diffstat (limited to 'src/test/codegen/box-maybe-uninit-llvm14.rs')
| -rw-r--r-- | src/test/codegen/box-maybe-uninit-llvm14.rs | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/src/test/codegen/box-maybe-uninit-llvm14.rs b/src/test/codegen/box-maybe-uninit-llvm14.rs deleted file mode 100644 index bd1a6599c..000000000 --- a/src/test/codegen/box-maybe-uninit-llvm14.rs +++ /dev/null @@ -1,26 +0,0 @@ -// compile-flags: -O - -// Once we're done with llvm 14 and earlier, this test can be deleted. - -#![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 LLVM 15+ `allocalign` attribute in the declaration of __rust_alloc -// from the CHECK-NOT above. We don't check the attributes here because we can't rely -// on all of them being set until LLVM 15. -// CHECK: declare noalias{{.*}} @__rust_alloc(i{{[0-9]+}}, i{{[0-9]+.*}}) |