rust/tests/codegen/debug-accessibility/struct-fields.rs
David Wood 07931c5a08
codegen_llvm: set DW_AT_accessibility
Sets the accessibility of types and fields in DWARF using
`DW_AT_accessibility` attribute.

`DW_AT_accessibility` (public/protected/private) isn't exactly right for
Rust,  but neither is `DW_AT_visibility` (local/exported/qualified), and
there's no way to set `DW_AT_visbility` in LLVM's API.

Signed-off-by: David Wood <david@davidtw.co>
2023-12-15 11:36:41 +00:00

31 lines
1.1 KiB
Rust

// compile-flags: -C debuginfo=2
#![allow(dead_code)]
// Checks that visibility information is present in the debuginfo for struct fields.
mod module {
use std::hint::black_box;
struct StructFields {
a: u32,
pub(crate) b: u32,
pub(super) c: u32,
pub d: u32,
}
// CHECK: [[StructFields:!.*]] = !DICompositeType(tag: DW_TAG_structure_type, name: "StructFields"{{.*}}flags: DIFlagPrivate{{.*}})
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: [[StructFields]]{{.*}}flags: DIFlagPrivate{{.*}})
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: [[StructFields]]{{.*}}flags: DIFlagProtected{{.*}})
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: [[StructFields]]{{.*}}flags: DIFlagProtected{{.*}})
// CHECK: {{!.*}} = !DIDerivedType(tag: DW_TAG_member, name: "d", scope: [[StructFields]]{{.*}}flags: DIFlagPublic{{.*}})
pub fn use_everything() {
black_box(StructFields { a: 1, b: 2, c: 3, d: 4 });
}
}
fn main() {
module::use_everything();
}