rust/tests/mir-opt/coroutine_tiny.main-{closur...

90 lines
2.1 KiB
Rust

// MIR for `main::{closure#0}` 0 coroutine_resume
/* coroutine_layout = CoroutineLayout {
field_tys: {
_0: CoroutineSavedTy {
ty: HasDrop,
source_info: SourceInfo {
span: $DIR/coroutine_tiny.rs:22:13: 22:15 (#0),
scope: scope[0],
},
ignore_for_traits: false,
},
},
variant_fields: {
Unresumed(0): [],
Returned (1): [],
Panicked (2): [],
Suspend0 (3): [_0],
},
storage_conflicts: BitMatrix(1x1) {
(_0, _0),
},
} */
fn main::{closure#0}(_1: Pin<&mut {coroutine@$DIR/coroutine_tiny.rs:21:5: 21:13}>, _2: u8) -> CoroutineState<(), ()> {
debug _x => _10;
let mut _0: std::ops::CoroutineState<(), ()>;
let _3: HasDrop;
let mut _4: !;
let mut _5: ();
let _6: u8;
let mut _7: ();
let _8: ();
let mut _9: ();
let _10: u8;
let mut _11: u32;
scope 1 {
debug _d => (((*(_1.0: &mut {coroutine@$DIR/coroutine_tiny.rs:21:5: 21:13})) as variant#3).0: HasDrop);
}
bb0: {
_11 = discriminant((*(_1.0: &mut {coroutine@$DIR/coroutine_tiny.rs:21:5: 21:13})));
switchInt(move _11) -> [0: bb1, 3: bb5, otherwise: bb6];
}
bb1: {
_10 = move _2;
nop;
(((*(_1.0: &mut {coroutine@$DIR/coroutine_tiny.rs:21:5: 21:13})) as variant#3).0: HasDrop) = HasDrop;
StorageLive(_4);
goto -> bb2;
}
bb2: {
StorageLive(_6);
StorageLive(_7);
_7 = ();
_0 = CoroutineState::<(), ()>::Yielded(move _7);
StorageDead(_4);
StorageDead(_6);
StorageDead(_7);
discriminant((*(_1.0: &mut {coroutine@$DIR/coroutine_tiny.rs:21:5: 21:13}))) = 3;
return;
}
bb3: {
StorageDead(_7);
StorageDead(_6);
StorageLive(_8);
_8 = callee() -> [return: bb4, unwind unreachable];
}
bb4: {
StorageDead(_8);
_5 = const ();
goto -> bb2;
}
bb5: {
StorageLive(_4);
StorageLive(_6);
StorageLive(_7);
_6 = move _2;
goto -> bb3;
}
bb6: {
unreachable;
}
}