rust/src/test/mir-opt/issues/issue_59352.num_to_digit.PreCodegen.after.mir

// MIR for `num_to_digit` after PreCodegen

fn num_to_digit(_1: char) -> u32 {
    debug num => _1;                     // in scope 0 at $DIR/issue-59352.rs:12:21: 12:24
    let mut _0: u32;                     // return place in scope 0 at $DIR/issue-59352.rs:12:35: 12:38
    let mut _2: char;                    // in scope 0 at $DIR/issue-59352.rs:14:8: 14:11
    let mut _3: std::option::Option<u32>; // in scope 0 at $DIR/issue-59352.rs:14:26: 14:41
    let mut _4: char;                    // in scope 0 at $DIR/issue-59352.rs:14:26: 14:29
    let mut _5: u32;                     // in scope 0 at $DIR/issue-59352.rs:14:8: 14:23
    let mut _12: isize;                  // in scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
    scope 1 (inlined char::methods::<impl char>::is_digit) { // at $DIR/issue-59352.rs:14:8: 14:23
        debug self => _2;                // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
        debug radix => _5;               // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
        let mut _6: &std::option::Option<u32>; // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
        let _7: std::option::Option<u32>; // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
        let mut _8: char;                // in scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
        scope 2 (inlined Option::<u32>::is_some) { // at $SRC_DIR/core/src/char/methods.rs:LL:COL
            debug self => _6;            // in scope 2 at $SRC_DIR/core/src/option.rs:LL:COL
            let mut _9: isize;           // in scope 2 at $SRC_DIR/core/src/option.rs:LL:COL
        }
    }
    scope 3 (inlined #[track_caller] Option::<u32>::unwrap) { // at $DIR/issue-59352.rs:14:26: 14:50
        debug self => _3;                // in scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
        let mut _10: isize;              // in scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
        let mut _11: !;                  // in scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
        scope 4 {
            debug val => _0;             // in scope 4 at $SRC_DIR/core/src/option.rs:LL:COL
        }
    }

    bb0: {
        StorageLive(_2);                 // scope 0 at $DIR/issue-59352.rs:14:8: 14:11
        _2 = _1;                         // scope 0 at $DIR/issue-59352.rs:14:8: 14:11
        StorageLive(_5);                 // scope 0 at $DIR/issue-59352.rs:14:8: 14:23
        StorageLive(_6);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
        StorageLive(_7);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
        StorageLive(_8);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
        _8 = _2;                         // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
        _7 = char::methods::<impl char>::to_digit(move _8, const 8_u32) -> bb5; // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
                                         // mir::Constant
                                         // + span: $SRC_DIR/core/src/char/methods.rs:LL:COL
                                         // + literal: Const { ty: fn(char, u32) -> Option<u32> {char::methods::<impl char>::to_digit}, val: Value(Scalar(<ZST>)) }
    }

    bb1: {
        StorageDead(_12);                // scope 0 at $DIR/issue-59352.rs:14:8: 14:23
        StorageLive(_3);                 // scope 0 at $DIR/issue-59352.rs:14:26: 14:41
        StorageLive(_4);                 // scope 0 at $DIR/issue-59352.rs:14:26: 14:29
        _4 = _1;                         // scope 0 at $DIR/issue-59352.rs:14:26: 14:29
        _3 = char::methods::<impl char>::to_digit(move _4, const 8_u32) -> bb2; // scope 0 at $DIR/issue-59352.rs:14:26: 14:41
                                         // mir::Constant
                                         // + span: $DIR/issue-59352.rs:14:30: 14:38
                                         // + literal: Const { ty: fn(char, u32) -> Option<u32> {char::methods::<impl char>::to_digit}, val: Value(Scalar(<ZST>)) }
    }

    bb2: {
        StorageDead(_4);                 // scope 0 at $DIR/issue-59352.rs:14:40: 14:41
        StorageLive(_10);                // scope 0 at $DIR/issue-59352.rs:14:26: 14:50
        _10 = discriminant(_3);          // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
        switchInt(move _10) -> [0_isize: bb6, 1_isize: bb8, otherwise: bb7]; // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
    }

    bb3: {
        StorageDead(_12);                // scope 0 at $DIR/issue-59352.rs:14:8: 14:23
        _0 = const 0_u32;                // scope 0 at $DIR/issue-59352.rs:14:60: 14:61
        goto -> bb4;                     // scope 0 at $DIR/issue-59352.rs:14:5: 14:63
    }

    bb4: {
        return;                          // scope 0 at $DIR/issue-59352.rs:15:2: 15:2
    }

    bb5: {
        _6 = &_7;                        // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
        StorageDead(_8);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
        StorageLive(_9);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
        _9 = discriminant((*_6));        // scope 2 at $SRC_DIR/core/src/option.rs:LL:COL
        StorageLive(_12);                // scope 2 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
        _12 = move _9;                   // scope 2 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
        StorageDead(_9);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
        StorageDead(_6);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
        StorageDead(_7);                 // scope 1 at $SRC_DIR/core/src/char/methods.rs:LL:COL
        StorageDead(_5);                 // scope 0 at $DIR/issue-59352.rs:14:8: 14:23
        StorageDead(_2);                 // scope 0 at $DIR/issue-59352.rs:14:22: 14:23
        switchInt(move _12) -> [1_isize: bb1, otherwise: bb3]; // scope 0 at $DIR/issue-59352.rs:14:8: 14:23
    }

    bb6: {
        StorageLive(_11);                // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
        _11 = core::panicking::panic(const "called `Option::unwrap()` on a `None` value"); // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
                                         // mir::Constant
                                         // + span: $SRC_DIR/core/src/option.rs:LL:COL
                                         // + literal: Const { ty: fn(&'static str) -> ! {core::panicking::panic}, val: Value(Scalar(<ZST>)) }
                                         // mir::Constant
                                         // + span: $SRC_DIR/core/src/option.rs:LL:COL
                                         // + literal: Const { ty: &str, val: Value(Slice(..)) }
    }

    bb7: {
        unreachable;                     // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
    }

    bb8: {
        _0 = move ((_3 as Some).0: u32); // scope 3 at $SRC_DIR/core/src/option.rs:LL:COL
        StorageDead(_10);                // scope 0 at $DIR/issue-59352.rs:14:26: 14:50
        StorageDead(_3);                 // scope 0 at $DIR/issue-59352.rs:14:49: 14:50
        goto -> bb4;                     // scope 0 at $DIR/issue-59352.rs:14:5: 14:63
    }
}