tests/mir-opt/no_drop_for_inactive_variant.unwrap.SimplifyCfg-elaborate-drops.after.mir


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// 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:+0:14: +0:17
    let mut _0: T;                       // return place in scope 0 at $DIR/no_drop_for_inactive_variant.rs:+0:33: +0:34
    let mut _2: isize;                   // in scope 0 at $DIR/no_drop_for_inactive_variant.rs:+2:9: +2:16
    let _3: T;                           // in scope 0 at $DIR/no_drop_for_inactive_variant.rs:+2:14: +2:15
    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:+5:1: +5:2
    let mut _6: isize;                   // in scope 0 at $DIR/no_drop_for_inactive_variant.rs:+5:1: +5:2
    let mut _7: isize;                   // in scope 0 at $DIR/no_drop_for_inactive_variant.rs:+5:1: +5:2
    scope 1 {
        debug x => _3;                   // in scope 1 at $DIR/no_drop_for_inactive_variant.rs:+2:14: +2:15
    }

    bb0: {
        _2 = discriminant(_1);           // scope 0 at $DIR/no_drop_for_inactive_variant.rs:+1:11: +1:14
        switchInt(move _2) -> [0: bb1, 1: bb3, otherwise: bb2]; // scope 0 at $DIR/no_drop_for_inactive_variant.rs:+1:5: +1:14
    }

    bb1: {
        StorageLive(_4);                 // scope 0 at $SRC_DIR/std/src/panic.rs:LL:COL
        _4 = 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(<ZST>) }
                                         // mir::Constant
                                         // + span: $SRC_DIR/std/src/panic.rs:LL:COL
                                         // + literal: Const { ty: &str, val: Value(Slice(..)) }
    }

    bb2: {
        unreachable;                     // scope 0 at $DIR/no_drop_for_inactive_variant.rs:+1:11: +1:14
    }

    bb3: {
        StorageLive(_3);                 // scope 0 at $DIR/no_drop_for_inactive_variant.rs:+2:14: +2:15
        _3 = move ((_1 as Some).0: T);   // scope 0 at $DIR/no_drop_for_inactive_variant.rs:+2:14: +2:15
        _0 = move _3;                    // scope 1 at $DIR/no_drop_for_inactive_variant.rs:+2:20: +2:21
        StorageDead(_3);                 // scope 0 at $DIR/no_drop_for_inactive_variant.rs:+2:20: +2:21
        _5 = discriminant(_1);           // scope 0 at $DIR/no_drop_for_inactive_variant.rs:+5:1: +5:2
        return;                          // scope 0 at $DIR/no_drop_for_inactive_variant.rs:+5:2: +5:2
    }

    bb4 (cleanup): {
        _7 = discriminant(_1);           // scope 0 at $DIR/no_drop_for_inactive_variant.rs:+5:1: +5:2
        resume;                          // scope 0 at $DIR/no_drop_for_inactive_variant.rs:+0:1: +5:2
    }
}