mirror of https://github.com/rust-lang/rust
55 lines
1.3 KiB
Diff
55 lines
1.3 KiB
Diff
- // MIR for `foo` before SimplifyLocals-final
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+ // MIR for `foo` after SimplifyLocals-final
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fn foo() -> () {
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let mut _0: ();
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let mut _1: (std::option::Option<u8>, std::option::Option<T>);
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let mut _2: std::option::Option<u8>;
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let mut _3: std::option::Option<T>;
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let mut _4: isize;
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let mut _5: isize;
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scope 1 {
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debug a => _6;
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let _6: u8;
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}
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bb0: {
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StorageLive(_1);
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StorageLive(_2);
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_2 = Option::<u8>::None;
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StorageLive(_3);
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_3 = Option::<T>::None;
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_1 = (move _2, move _3);
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StorageDead(_3);
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StorageDead(_2);
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_5 = discriminant((_1.0: std::option::Option<u8>));
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switchInt(move _5) -> [1: bb1, 0: bb3, otherwise: bb5];
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}
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bb1: {
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_4 = discriminant((_1.1: std::option::Option<T>));
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switchInt(move _4) -> [0: bb2, 1: bb3, otherwise: bb5];
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}
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bb2: {
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StorageLive(_6);
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_6 = (((_1.0: std::option::Option<u8>) as Some).0: u8);
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StorageDead(_6);
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goto -> bb3;
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}
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bb3: {
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drop(_1) -> [return: bb4, unwind continue];
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}
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bb4: {
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StorageDead(_1);
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return;
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}
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bb5: {
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unreachable;
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}
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}
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