52 lines
1.1 KiB
Rust
52 lines
1.1 KiB
Rust
|
// only-wasm32-bare
|
||
|
|
// compile-flags: -C panic=unwind
|
||
|
|
|
||
|
|
#![crate_type = "lib"]
|
||
|
|
#![feature(core_intrinsics)]
|
||
|
|
#![feature(rustc_attrs)]
|
||
|
|
|
||
|
|
extern {
|
||
|
|
fn may_panic();
|
||
|
|
|
||
|
|
#[rustc_nounwind]
|
||
|
|
fn log_number(number: usize);
|
||
|
|
}
|
||
|
|
|
||
|
|
struct LogOnDrop;
|
||
|
|
|
||
|
|
impl Drop for LogOnDrop {
|
||
|
|
fn drop(&mut self) {
|
||
|
|
unsafe { log_number(0); }
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK-LABEL: @test_cleanup() {{.*}} @__gxx_wasm_personality_v0
|
||
|
|
#[no_mangle]
|
||
|
|
pub fn test_cleanup() {
|
||
|
|
let _log_on_drop = LogOnDrop;
|
||
|
|
unsafe { may_panic(); }
|
||
|
|
|
||
|
|
// CHECK-NOT: call
|
||
|
|
// CHECK: invoke void @may_panic()
|
||
|
|
// CHECK: %cleanuppad = cleanuppad within none []
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK-LABEL: @test_rtry() {{.*}} @__gxx_wasm_personality_v0
|
||
|
|
#[no_mangle]
|
||
|
|
pub fn test_rtry() {
|
||
|
|
unsafe {
|
||
|
|
core::intrinsics::r#try(|_| {
|
||
|
|
may_panic();
|
||
|
|
}, core::ptr::null_mut(), |data, exception| {
|
||
|
|
log_number(data as usize);
|
||
|
|
log_number(exception as usize);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK-NOT: call
|
||
|
|
// CHECK: invoke void @may_panic()
|
||
|
|
// CHECK: {{.*}} = catchswitch within none [label {{.*}}] unwind to caller
|
||
|
|
// CHECK: {{.*}} = catchpad within {{.*}} [ptr null]
|
||
|
|
// CHECK: catchret
|
||
|
|
}
|