diff options
Diffstat (limited to 'tests/mir-opt/box_expr.rs')
| -rw-r--r-- | tests/mir-opt/box_expr.rs | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/tests/mir-opt/box_expr.rs b/tests/mir-opt/box_expr.rs index 780420bda..0421e232a 100644 --- a/tests/mir-opt/box_expr.rs +++ b/tests/mir-opt/box_expr.rs @@ -1,9 +1,22 @@ -// EMIT_MIR_FOR_EACH_PANIC_STRATEGY +// unit-test: ElaborateDrops +// needs-unwind #![feature(rustc_attrs, stmt_expr_attributes)] -// EMIT_MIR box_expr.main.ElaborateDrops.before.mir +// EMIT_MIR box_expr.main.ElaborateDrops.diff fn main() { + // CHECK-LABEL: fn main( + // CHECK: [[box:_.*]] = ShallowInitBox( + // CHECK: [[ptr:_.*]] = ((([[box]].0: std::ptr::Unique<S>).0: std::ptr::NonNull<S>).0: *const S); + // CHECK: (*[[ptr]]) = S::new() -> [return: [[ret:bb.*]], unwind: [[unwind:bb.*]]]; + // CHECK: [[ret]]: { + // CHECK: [[box2:_.*]] = move [[box]]; + // CHECK: [[box3:_.*]] = move [[box2]]; + // CHECK: std::mem::drop::<Box<S>>(move [[box3]]) + // CHECK: [[unwind]] (cleanup): { + // CHECK: [[boxref:_.*]] = &mut [[box]]; + // CHECK: <Box<S> as Drop>::drop(move [[boxref]]) + let x = #[rustc_box] Box::new(S::new()); drop(x); |