rust/tests/mir-opt/jump_threading.custom_discr.JumpThreading.panic-unwind.diff

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2023-01-16 22:12:36 +00:00
- // MIR for `custom_discr` before JumpThreading
+ // MIR for `custom_discr` after JumpThreading
fn custom_discr(_1: bool) -> u8 {
debug x => _1;
let mut _0: u8;
let mut _2: CustomDiscr;
let mut _3: bool;
let mut _4: u8;
bb0: {
StorageLive(_2);
StorageLive(_3);
_3 = copy _1;
switchInt(move _3) -> [0: bb2, otherwise: bb1];
}
bb1: {
_2 = CustomDiscr::A;
- goto -> bb3;
+ goto -> bb7;
}
bb2: {
_2 = CustomDiscr::B;
goto -> bb3;
}
bb3: {
StorageDead(_3);
_4 = discriminant(_2);
- switchInt(move _4) -> [35: bb5, otherwise: bb4];
+ goto -> bb4;
}
bb4: {
_0 = const 13_u8;
goto -> bb6;
}
bb5: {
_0 = const 5_u8;
goto -> bb6;
}
bb6: {
StorageDead(_2);
return;
+ }
+
+ bb7: {
+ StorageDead(_3);
+ _4 = discriminant(_2);
+ goto -> bb5;
}
}