rust/tests/mir-opt/issues/issue_59352.num_to_digit.PreCodegen.after.panic-unwind.mir
2023-10-06 15:46:11 +00:00

78 lines
1.8 KiB
Rust

// MIR for `num_to_digit` after PreCodegen
fn num_to_digit(_1: char) -> u32 {
debug num => _1;
let mut _0: u32;
let mut _5: std::option::Option<u32>;
scope 1 (inlined char::methods::<impl char>::is_digit) {
debug self => _1;
debug radix => const 8_u32;
let _2: std::option::Option<u32>;
let mut _3: &std::option::Option<u32>;
scope 2 (inlined Option::<u32>::is_some) {
debug self => _3;
let mut _4: isize;
}
}
scope 3 (inlined #[track_caller] Option::<u32>::unwrap) {
debug self => _5;
let mut _6: isize;
let mut _7: !;
scope 4 {
debug val => _0;
}
}
bb0: {
StorageLive(_3);
StorageLive(_2);
_2 = char::methods::<impl char>::to_digit(_1, const 8_u32) -> [return: bb1, unwind continue];
}
bb1: {
_3 = &_2;
StorageLive(_4);
_4 = discriminant(_2);
StorageDead(_3);
StorageDead(_2);
switchInt(move _4) -> [1: bb2, otherwise: bb7];
}
bb2: {
StorageDead(_4);
StorageLive(_5);
_5 = char::methods::<impl char>::to_digit(move _1, const 8_u32) -> [return: bb3, unwind continue];
}
bb3: {
StorageLive(_6);
_6 = discriminant(_5);
switchInt(move _6) -> [0: bb4, 1: bb5, otherwise: bb6];
}
bb4: {
_7 = core::panicking::panic(const "called `Option::unwrap()` on a `None` value") -> unwind continue;
}
bb5: {
_0 = move ((_5 as Some).0: u32);
StorageDead(_6);
StorageDead(_5);
goto -> bb8;
}
bb6: {
unreachable;
}
bb7: {
StorageDead(_4);
_0 = const 0_u32;
goto -> bb8;
}
bb8: {
return;
}
}