rust/tests/mir-opt/pre-codegen/slice_index.slice_index_range.PreCodegen.after.panic-unwind.mir

// MIR for `slice_index_range` after PreCodegen

fn slice_index_range(_1: &[u32], _2: std::ops::Range<usize>) -> &[u32] {
    debug slice => _1;
    debug index => _2;
    let mut _0: &[u32];
    let mut _3: usize;
    let mut _4: usize;
    scope 1 (inlined #[track_caller] core::slice::index::<impl Index<std::ops::Range<usize>> for [u32]>::index) {
        scope 2 (inlined #[track_caller] <std::ops::Range<usize> as SliceIndex<[u32]>>::index) {
            let mut _7: usize;
            let mut _8: bool;
            let mut _9: *const [u32];
            let _12: *const [u32];
            let mut _13: usize;
            let mut _14: !;
            scope 3 (inlined core::num::<impl usize>::checked_sub) {
                let mut _5: bool;
                let mut _6: usize;
            }
            scope 4 (inlined core::slice::index::get_offset_len_noubcheck::<u32>) {
                let _10: *const u32;
                scope 5 {
                    let _11: *const u32;
                    scope 6 {
                    }
                }
            }
        }
    }

    bb0: {
        _3 = move (_2.0: usize);
        _4 = move (_2.1: usize);
        StorageLive(_5);
        _5 = Lt(copy _4, copy _3);
        switchInt(move _5) -> [0: bb1, otherwise: bb4];
    }

    bb1: {
        _6 = SubUnchecked(copy _4, copy _3);
        StorageDead(_5);
        StorageLive(_8);
        StorageLive(_7);
        _7 = PtrMetadata(copy _1);
        _8 = Le(copy _4, move _7);
        switchInt(move _8) -> [0: bb2, otherwise: bb3];
    }

    bb2: {
        StorageDead(_7);
        goto -> bb5;
    }

    bb3: {
        StorageDead(_7);
        StorageLive(_12);
        StorageLive(_9);
        _9 = &raw const (*_1);
        StorageLive(_10);
        StorageLive(_11);
        _10 = copy _9 as *const u32 (PtrToPtr);
        _11 = Offset(copy _10, copy _3);
        _12 = *const [u32] from (copy _11, copy _6);
        StorageDead(_11);
        StorageDead(_10);
        StorageDead(_9);
        _0 = &(*_12);
        StorageDead(_12);
        StorageDead(_8);
        return;
    }

    bb4: {
        StorageDead(_5);
        goto -> bb5;
    }

    bb5: {
        StorageLive(_13);
        _13 = PtrMetadata(copy _1);
        _14 = core::slice::index::slice_index_fail(move _3, move _4, move _13) -> unwind continue;
    }
}