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// MIR for `num_to_digit` after PreCodegen
fn num_to_digit(_1: char) -> u32 {
debug num => _1;
let mut _0: u32;
let mut _4: std::option::Option<u32>;
scope 1 (inlined char::methods::<impl char>::is_digit) {
let _2: std::option::Option<u32>;
scope 2 (inlined Option::<u32>::is_some) {
let mut _3: isize;
}
}
scope 3 (inlined #[track_caller] Option::<u32>::unwrap) {
let mut _5: isize;
let mut _6: !;
scope 4 {
}
}
bb0: {
StorageLive(_2);
_2 = char::methods::<impl char>::to_digit(copy _1, const 8_u32) -> [return: bb1, unwind unreachable];
}
bb1: {
StorageLive(_3);
_3 = discriminant(_2);
StorageDead(_2);
switchInt(move _3) -> [1: bb2, otherwise: bb7];
}
bb2: {
StorageDead(_3);
StorageLive(_4);
_4 = char::methods::<impl char>::to_digit(move _1, const 8_u32) -> [return: bb3, unwind unreachable];
}
bb3: {
StorageLive(_5);
_5 = discriminant(_4);
switchInt(move _5) -> [0: bb4, 1: bb5, otherwise: bb6];
}
bb4: {
_6 = option::unwrap_failed() -> unwind unreachable;
}
bb5: {
_0 = move ((_4 as Some).0: u32);
StorageDead(_5);
StorageDead(_4);
goto -> bb8;
}
bb6: {
unreachable;
}
bb7: {
StorageDead(_3);
_0 = const 0_u32;
goto -> bb8;
}
bb8: {
return;
}
}
|
