mirror of https://github.com/rust-lang/rust
27 lines
615 B
Diff
27 lines
615 B
Diff
- // MIR for `mutate_discriminant` before JumpThreading
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+ // MIR for `mutate_discriminant` after JumpThreading
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fn mutate_discriminant() -> u8 {
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let mut _0: u8;
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let mut _1: std::option::Option<NonZeroUsize>;
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let mut _2: isize;
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bb0: {
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discriminant(_1) = 1;
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(((_1 as variant#1).0: NonZeroUsize).0: usize) = const 0_usize;
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_2 = discriminant(_1);
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switchInt(_2) -> [0: bb1, otherwise: bb2];
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}
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bb1: {
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_0 = const 1_u8;
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return;
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}
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bb2: {
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_0 = const 2_u8;
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unreachable;
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}
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}
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