// MIR for `unchecked_shr_signed_smaller` after PreCodegen

fn unchecked_shr_signed_smaller(_1: i16, _2: u32) -> i16 {
    debug a => _1;                       // in scope 0 at $DIR/unchecked_shifts.rs:+0:44: +0:45
    debug b => _2;                       // in scope 0 at $DIR/unchecked_shifts.rs:+0:52: +0:53
    let mut _0: i16;                     // return place in scope 0 at $DIR/unchecked_shifts.rs:+0:63: +0:66
    scope 1 (inlined core::num::<impl i16>::unchecked_shr) { // at $DIR/unchecked_shifts.rs:16:7: 16:23
        debug self => _1;                // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
        debug rhs => _2;                 // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
        let mut _3: i16;                 // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
        let mut _4: std::option::Option<i16>; // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
        let mut _5: std::result::Result<i16, std::num::TryFromIntError>; // in scope 1 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
        scope 2 {
            scope 3 (inlined Result::<i16, TryFromIntError>::ok) { // at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
                debug self => _5;        // in scope 3 at $SRC_DIR/core/src/result.rs:LL:COL
                let mut _6: isize;       // in scope 3 at $SRC_DIR/core/src/result.rs:LL:COL
                let _7: i16;             // in scope 3 at $SRC_DIR/core/src/result.rs:LL:COL
                scope 4 {
                    debug x => _7;       // in scope 4 at $SRC_DIR/core/src/result.rs:LL:COL
                }
                scope 5 {
                    scope 6 {
                        debug x => const TryFromIntError(()); // in scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
                    }
                }
            }
            scope 7 (inlined #[track_caller] Option::<i16>::unwrap_unchecked) { // at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
                debug self => _4;        // in scope 7 at $SRC_DIR/core/src/option.rs:LL:COL
                let mut _8: &std::option::Option<i16>; // in scope 7 at $SRC_DIR/core/src/option.rs:LL:COL
                let mut _9: isize;       // in scope 7 at $SRC_DIR/core/src/option.rs:LL:COL
                scope 8 {
                    debug val => _3;     // in scope 8 at $SRC_DIR/core/src/option.rs:LL:COL
                }
                scope 9 {
                    scope 11 (inlined unreachable_unchecked) { // at $SRC_DIR/core/src/option.rs:LL:COL
                        scope 12 {
                            scope 13 (inlined unreachable_unchecked::runtime) { // at $SRC_DIR/core/src/intrinsics.rs:LL:COL
                            }
                        }
                    }
                }
                scope 10 (inlined Option::<i16>::is_some) { // at $SRC_DIR/core/src/option.rs:LL:COL
                    debug self => _8;    // in scope 10 at $SRC_DIR/core/src/option.rs:LL:COL
                }
            }
        }
    }

    bb0: {
        StorageLive(_3);                 // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
        StorageLive(_4);                 // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
        StorageLive(_5);                 // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
        _5 = <u32 as TryInto<i16>>::try_into(_2) -> bb1; // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
                                         // mir::Constant
                                         // + span: $SRC_DIR/core/src/num/int_macros.rs:LL:COL
                                         // + literal: Const { ty: fn(u32) -> Result<i16, <u32 as TryInto<i16>>::Error> {<u32 as TryInto<i16>>::try_into}, val: Value(<ZST>) }
    }

    bb1: {
        StorageLive(_7);                 // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
        _6 = discriminant(_5);           // scope 3 at $SRC_DIR/core/src/result.rs:LL:COL
        switchInt(move _6) -> [0: bb6, 1: bb4, otherwise: bb5]; // scope 3 at $SRC_DIR/core/src/result.rs:LL:COL
    }

    bb2: {
        StorageDead(_7);                 // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
        StorageDead(_5);                 // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
        StorageLive(_8);                 // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
        _9 = discriminant(_4);           // scope 7 at $SRC_DIR/core/src/option.rs:LL:COL
        switchInt(move _9) -> [1: bb7, otherwise: bb5]; // scope 7 at $SRC_DIR/core/src/option.rs:LL:COL
    }

    bb3: {
        StorageDead(_3);                 // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
        return;                          // scope 0 at $DIR/unchecked_shifts.rs:+2:2: +2:2
    }

    bb4: {
        _4 = Option::<i16>::None;        // scope 6 at $SRC_DIR/core/src/result.rs:LL:COL
        goto -> bb2;                     // scope 5 at $SRC_DIR/core/src/result.rs:LL:COL
    }

    bb5: {
        unreachable;                     // scope 3 at $SRC_DIR/core/src/result.rs:LL:COL
    }

    bb6: {
        _7 = move ((_5 as Ok).0: i16);   // scope 3 at $SRC_DIR/core/src/result.rs:LL:COL
        _4 = Option::<i16>::Some(move _7); // scope 4 at $SRC_DIR/core/src/result.rs:LL:COL
        goto -> bb2;                     // scope 3 at $SRC_DIR/core/src/result.rs:LL:COL
    }

    bb7: {
        _3 = move ((_4 as Some).0: i16); // scope 7 at $SRC_DIR/core/src/option.rs:LL:COL
        StorageDead(_8);                 // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
        StorageDead(_4);                 // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
        _0 = unchecked_shr::<i16>(_1, move _3) -> bb3; // scope 2 at $SRC_DIR/core/src/num/int_macros.rs:LL:COL
                                         // mir::Constant
                                         // + span: $SRC_DIR/core/src/num/int_macros.rs:LL:COL
                                         // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(i16, i16) -> i16 {unchecked_shr::<i16>}, val: Value(<ZST>) }
    }
}