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