// MIR for `foo` before PreCodegen

fn foo(_1: Option<()>) -> () {
    debug bar => _1;                     // in scope 0 at $DIR/matches_reduce_branches.rs:7:8: 7:11
    let mut _0: ();                      // return place in scope 0 at $DIR/matches_reduce_branches.rs:7:25: 7:25
    let mut _2: isize;                   // in scope 0 at $DIR/matches_reduce_branches.rs:8:22: 8:26

    bb0: {
        _2 = discriminant(_1);           // scope 0 at $DIR/matches_reduce_branches.rs:8:22: 8:26
        switchInt(move _2) -> [0_isize: bb2, otherwise: bb1]; // scope 0 at $DIR/matches_reduce_branches.rs:8:22: 8:26
    }

    bb1: {
        _0 = const ();                   // scope 0 at $DIR/matches_reduce_branches.rs:10:6: 10:6
        return;                          // scope 0 at $DIR/matches_reduce_branches.rs:8:5: 10:6
    }

    bb2: {
        return;                          // scope 0 at $SRC_DIR/core/src/macros/mod.rs:LL:COL
    }
}