SPIRV-Cross/reference/opt/shaders-hlsl/comp/ssbo-array-length.comp

static const uint3 gl_WorkGroupSize = uint3(1u, 1u, 1u);

RWByteAddressBuffer _11 : register(u1);

void comp_main()
{
    uint _14;
    _11.GetDimensions(_14);
    _14 = (_14 - 16) / 16;
    _11.Store(0, uint(int(_14)));
}

[numthreads(1, 1, 1)]
void main()
{
    comp_main();
}