rust/tests/mir-opt/no_drop_for_inactive_varian...

44 lines
811 B
Rust

// MIR for `unwrap` after SimplifyCfg-pre-optimizations
fn unwrap(_1: Option<T>) -> T {
debug opt => _1;
let mut _0: T;
let mut _2: isize;
let _3: T;
let mut _4: !;
let mut _5: isize;
let mut _6: isize;
let mut _7: isize;
scope 1 {
debug x => _3;
}
bb0: {
_2 = discriminant(_1);
switchInt(move _2) -> [0: bb2, 1: bb3, otherwise: bb1];
}
bb1: {
unreachable;
}
bb2: {
StorageLive(_4);
_4 = begin_panic::<&str>(const "explicit panic") -> bb4;
}
bb3: {
StorageLive(_3);
_3 = move ((_1 as Some).0: T);
_0 = move _3;
StorageDead(_3);
_5 = discriminant(_1);
return;
}
bb4 (cleanup): {
_7 = discriminant(_1);
resume;
}
}