rust/tests/mir-opt/issues/issue_59352.num_to_digit.PreCodegen.after.panic-unwind.mir

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