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- // MIR for `map` before SimplifyLocals-before-const-prop
+ // MIR for `map` after SimplifyLocals-before-const-prop
fn map(_1: Option<Box<()>>) -> Option<Box<()>> {
debug x => _1;
let mut _0: std::option::Option<std::boxed::Box<()>>;
let mut _2: isize;
let _3: std::boxed::Box<()>;
let mut _4: std::boxed::Box<()>;
- let mut _5: bool;
- let mut _6: isize;
- let mut _7: isize;
scope 1 {
debug x => _3;
}
bb0: {
- _5 = const false;
- _5 = const true;
_2 = discriminant(_1);
switchInt(move _2) -> [0: bb3, 1: bb1, otherwise: bb2];
}
bb1: {
StorageLive(_3);
_3 = move ((_1 as Some).0: std::boxed::Box<()>);
StorageLive(_4);
_4 = move _3;
_0 = Option::<Box<()>>::Some(move _4);
StorageDead(_4);
StorageDead(_3);
goto -> bb4;
}
bb2: {
unreachable;
}
bb3: {
_0 = Option::<Box<()>>::None;
goto -> bb4;
}
bb4: {
- _6 = discriminant(_1);
return;
}
}
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