rust/tests/mir-opt/building/async_await.a-{closure#0}.c...

48 lines
1.1 KiB
Rust

// MIR for `a::{closure#0}` 0 coroutine_resume
/* coroutine_layout = CoroutineLayout {
field_tys: {},
variant_fields: {
Unresumed(0): [],
Returned (1): [],
Panicked (2): [],
},
storage_conflicts: BitMatrix(0x0) {},
} */
fn a::{closure#0}(_1: Pin<&mut {async fn body of a()}>, _2: &mut Context<'_>) -> Poll<()> {
debug _task_context => _4;
let mut _0: std::task::Poll<()>;
let mut _3: ();
let mut _4: &mut std::task::Context<'_>;
let mut _5: u32;
bb0: {
_5 = discriminant((*(_1.0: &mut {async fn body of a()})));
switchInt(move _5) -> [0: bb1, 1: bb4, otherwise: bb5];
}
bb1: {
_4 = move _2;
_3 = const ();
goto -> bb3;
}
bb2: {
_0 = Poll::<()>::Ready(move _3);
discriminant((*(_1.0: &mut {async fn body of a()}))) = 1;
return;
}
bb3: {
goto -> bb2;
}
bb4: {
assert(const false, "`async fn` resumed after completion") -> [success: bb4, unwind unreachable];
}
bb5: {
unreachable;
}
}