RWByteAddressBuffer prevent_dce : register(u0, space2);
void dpdx_c487fa() {
float4 arg_0 = (1.0f).xxxx;
float4 res = ddx(arg_0);
prevent_dce.Store4(0u, asuint(res));
}
void fragment_main() {
dpdx_c487fa();
return;