Files
rust/tests/mir-opt/dataflow-const-prop/enum.mutate_discriminant.DataflowConstProp.32bit.diff
2026-05-03 10:57:27 +02:00

31 lines
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Diff

- // MIR for `mutate_discriminant` before DataflowConstProp
+ // MIR for `mutate_discriminant` after DataflowConstProp
fn mutate_discriminant() -> u8 {
let mut _0: u8;
let mut _1: std::option::Option<NonZeroUsize>;
let mut _2: (usize) is 1..;
let mut _3: isize;
bb0: {
discriminant(_1) = 1;
- _2 = const 0_usize as (usize) is 1.. (Transmute);
- (((_1 as variant#1).0: NonZeroUsize).0: (usize) is 1..=usize::MAX) = copy _2;
+ _2 = const {transmute(0x00000000): (usize) is 1..};
+ (((_1 as variant#1).0: NonZeroUsize).0: (usize) is 1..=usize::MAX) = const {transmute(0x00000000): (usize) is 1..=usize::MAX};
_3 = discriminant(_1);
switchInt(copy _3) -> [0: bb1, otherwise: bb2];
}
bb1: {
_0 = const 1_u8;
return;
}
bb2: {
_0 = const 2_u8;
unreachable;
}
}