rust/src/test/codegen/asm-may_unwind.rs

25 lines
416 B
Rust
Raw Normal View History

// min-llvm-version: 13.0.0
// compile-flags: -O
#![crate_type = "rlib"]
#![feature(asm, asm_unwind)]
#[no_mangle]
pub extern "C" fn panicky() {}
struct Foo;
impl Drop for Foo {
fn drop(&mut self) {
println!();
}
}
// CHECK-LABEL: @may_unwind
// CHECK: invoke void asm sideeffect alignstack unwind
#[no_mangle]
pub unsafe fn may_unwind() {
let _m = Foo;
asm!("", options(may_unwind));
}