hlsl.attribute.expression.comp

uniform int bound;

#define FOO 3
#define BAR 2

[numthreads(2+2, 2*3, (1+FOO)*BAR)]
float4 main() : SV_TARGET
{
    [unroll(5*2 + 1) ]
        for (int x=0; x<bound; ++x)
            ;
    
    return float4(0,0,0,0);
}