rust/tests/mir-opt/pre-codegen/duplicate_switch_targets.ub_if_b.PreCodegen.after.mir

// MIR for `ub_if_b` after PreCodegen

fn ub_if_b(_1: Thing) -> Thing {
    debug t => _1;                       // in scope 0 at $DIR/duplicate_switch_targets.rs:+0:23: +0:24
    let mut _0: Thing;                   // return place in scope 0 at $DIR/duplicate_switch_targets.rs:+0:36: +0:41
    let mut _2: isize;                   // in scope 0 at $DIR/duplicate_switch_targets.rs:+2:9: +2:17
    scope 1 (inlined unreachable_unchecked) { // at $DIR/duplicate_switch_targets.rs:15:21: 15:55
        scope 2 {
            scope 3 (inlined unreachable_unchecked::runtime) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
            }
        }
    }

    bb0: {
        _2 = discriminant(_1);           // scope 0 at $DIR/duplicate_switch_targets.rs:+1:11: +1:12
        switchInt(move _2) -> [0: bb2, otherwise: bb1]; // scope 0 at $DIR/duplicate_switch_targets.rs:+1:5: +1:12
    }

    bb1: {
        unreachable;                     // scope 2 at $SRC_DIR/core/src/intrinsics.rs:LL:COL
    }

    bb2: {
        _0 = move _1;                    // scope 0 at $DIR/duplicate_switch_targets.rs:+2:21: +2:22
        return;                          // scope 0 at $DIR/duplicate_switch_targets.rs:+5:2: +5:2
    }
}