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


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// MIR for `slice_get_mut_usize` after PreCodegen

fn slice_get_mut_usize(_1: &mut [u32], _2: usize) -> Option<&mut u32> {
    debug slice => _1;
    debug index => _2;
    let mut _0: std::option::Option<&mut u32>;
    scope 1 (inlined core::slice::<impl [u32]>::get_mut::<usize>) {
        scope 2 (inlined <usize as SliceIndex<[u32]>>::get_mut) {
            let mut _3: usize;
            let mut _4: bool;
            let mut _5: &mut u32;
        }
    }

    bb0: {
        StorageLive(_4);
        StorageLive(_3);
        _3 = PtrMetadata(copy _1);
        _4 = Lt(copy _2, move _3);
        switchInt(move _4) -> [0: bb1, otherwise: bb2];
    }

    bb1: {
        StorageDead(_3);
        _0 = const Option::<&mut u32>::None;
        goto -> bb3;
    }

    bb2: {
        StorageDead(_3);
        StorageLive(_5);
        _5 = &mut (*_1)[_2];
        _0 = Option::<&mut u32>::Some(copy _5);
        StorageDead(_5);
        goto -> bb3;
    }

    bb3: {
        StorageDead(_4);
        return;
    }
}