rust/tests/mir-opt/pre-codegen/transmutes.prefix_of_array.runtime-optimized.after.mir

// MIR for `prefix_of_array` after runtime-optimized

fn prefix_of_array(_1: [u32; 4]) -> [u32; 2] {
    debug x => _1;
    let mut _0: [u32; 2];
    scope 1 (inlined transmute_prefix::<[u32; 4], [u32; 2]>) {
        let _2: std::mem::transmute_prefix::Transmute<[u32; 4], [u32; 2]>;
        let mut _3: std::mem::ManuallyDrop<[u32; 2]>;
        scope 2 {
        }
        scope 3 {
            scope 4 (inlined transmute_neo::<ManuallyDrop<[u32; 2]>, [u32; 2]>) {
            }
        }
        scope 5 (inlined transmute_neo::<[u32; 4], ManuallyDrop<[u32; 4]>>) {
        }
    }

    bb0: {
        StorageLive(_2);
        _2 = copy _1 as std::mem::transmute_prefix::Transmute<[u32; 4], [u32; 2]> (Transmute);
        StorageLive(_3);
        _3 = move (_2.1: std::mem::ManuallyDrop<[u32; 2]>);
        _0 = copy _3 as [u32; 2] (Transmute);
        StorageDead(_3);
        StorageDead(_2);
        return;
    }
}