| struct S_atomic { | 
 |   int x; | 
 |   uint a; | 
 |   uint y; | 
 | }; | 
 |  | 
 | struct compute_main_inputs { | 
 |   uint local_invocation_index_1_param : SV_GroupIndex; | 
 | }; | 
 |  | 
 |  | 
 | static uint local_invocation_index_1 = 0u; | 
 | groupshared S_atomic wg; | 
 | void compute_main_inner(uint local_invocation_index_2) { | 
 |   wg.x = 0; | 
 |   uint v = 0u; | 
 |   InterlockedExchange(wg.a, 0u, v); | 
 |   wg.y = 0u; | 
 |   GroupMemoryBarrierWithGroupSync(); | 
 |   uint v_1 = 0u; | 
 |   InterlockedExchange(wg.a, 1u, v_1); | 
 | } | 
 |  | 
 | void compute_main_1() { | 
 |   uint x_35 = local_invocation_index_1; | 
 |   compute_main_inner(x_35); | 
 | } | 
 |  | 
 | void compute_main_inner_1(uint local_invocation_index_1_param) { | 
 |   if ((local_invocation_index_1_param == 0u)) { | 
 |     wg.x = 0; | 
 |     uint v_2 = 0u; | 
 |     InterlockedExchange(wg.a, 0u, v_2); | 
 |     wg.y = 0u; | 
 |   } | 
 |   GroupMemoryBarrierWithGroupSync(); | 
 |   local_invocation_index_1 = local_invocation_index_1_param; | 
 |   compute_main_1(); | 
 | } | 
 |  | 
 | [numthreads(1, 1, 1)] | 
 | void compute_main(compute_main_inputs inputs) { | 
 |   compute_main_inner_1(inputs.local_invocation_index_1_param); | 
 | } | 
 |  |