New upstream version 1.61.0+dfsg1

[rustc.git] / src / test / mir-opt / no_drop_for_inactive_variant.unwrap.SimplifyCfg-elaborate-drops.after.mir

// MIR for `unwrap` after SimplifyCfg-elaborate-drops

fn unwrap(_1: Option<T>) -> T {
    debug opt => _1;                     // in scope 0 at $DIR/no-drop-for-inactive-variant.rs:7:14: 7:17
    let mut _0: T;                       // return place in scope 0 at $DIR/no-drop-for-inactive-variant.rs:7:33: 7:34
    let mut _2: isize;                   // in scope 0 at $DIR/no-drop-for-inactive-variant.rs:9:9: 9:16
    let _3: T;                           // in scope 0 at $DIR/no-drop-for-inactive-variant.rs:9:14: 9:15
    let mut _4: !;                       // in scope 0 at $SRC_DIR/std/src/panic.rs:LL:COL
    let mut _5: isize;                   // in scope 0 at $DIR/no-drop-for-inactive-variant.rs:12:1: 12:2
    let mut _6: isize;                   // in scope 0 at $DIR/no-drop-for-inactive-variant.rs:12:1: 12:2
    let mut _7: isize;                   // in scope 0 at $DIR/no-drop-for-inactive-variant.rs:12:1: 12:2
    scope 1 {
        debug x => _3;                   // in scope 1 at $DIR/no-drop-for-inactive-variant.rs:9:14: 9:15
    }

    bb0: {
        _2 = discriminant(_1);           // scope 0 at $DIR/no-drop-for-inactive-variant.rs:8:11: 8:14
        switchInt(move _2) -> [0_isize: bb1, 1_isize: bb3, otherwise: bb2]; // scope 0 at $DIR/no-drop-for-inactive-variant.rs:8:5: 8:14
    }

    bb1: {
        StorageLive(_4);                 // scope 0 at $SRC_DIR/std/src/panic.rs:LL:COL
        begin_panic::<&str>(const "explicit panic") -> bb4; // scope 0 at $SRC_DIR/std/src/panic.rs:LL:COL
                                         // mir::Constant
                                         // + span: $SRC_DIR/std/src/panic.rs:LL:COL
                                         // + literal: Const { ty: fn(&str) -> ! {begin_panic::<&str>}, val: Value(Scalar(<ZST>)) }
                                         // mir::Constant
                                         // + span: $SRC_DIR/std/src/panic.rs:LL:COL
                                         // + literal: Const { ty: &str, val: Value(Slice { data: Allocation { bytes: [101, 120, 112, 108, 105, 99, 105, 116, 32, 112, 97, 110, 105, 99], relocations: Relocations(SortedMap { data: [] }), init_mask: InitMask { blocks: [16383], len: Size { raw: 14 } }, align: Align { pow2: 0 }, mutability: Not, extra: () }, start: 0, end: 14 }) }
    }

    bb2: {
        unreachable;                     // scope 0 at $DIR/no-drop-for-inactive-variant.rs:8:11: 8:14
    }

    bb3: {
        StorageLive(_3);                 // scope 0 at $DIR/no-drop-for-inactive-variant.rs:9:14: 9:15
        _3 = move ((_1 as Some).0: T);   // scope 0 at $DIR/no-drop-for-inactive-variant.rs:9:14: 9:15
        _0 = move _3;                    // scope 1 at $DIR/no-drop-for-inactive-variant.rs:9:20: 9:21
        StorageDead(_3);                 // scope 0 at $DIR/no-drop-for-inactive-variant.rs:9:20: 9:21
        _5 = discriminant(_1);           // scope 0 at $DIR/no-drop-for-inactive-variant.rs:12:1: 12:2
        return;                          // scope 0 at $DIR/no-drop-for-inactive-variant.rs:12:2: 12:2
    }

    bb4 (cleanup): {
        _7 = discriminant(_1);           // scope 0 at $DIR/no-drop-for-inactive-variant.rs:12:1: 12:2
        resume;                          // scope 0 at $DIR/no-drop-for-inactive-variant.rs:7:1: 12:2
    }
}