struct S { int x; uint a[10]; uint y; }; groupshared S wg; struct tint_symbol_1 { uint local_invocation_index : SV_GroupIndex; }; void compute_main_inner(uint local_invocation_index) { { wg.x = 0; wg.y = 0u; } { [loop] for(uint idx = local_invocation_index; (idx < 10u); idx = (idx + 1u)) { const uint i = idx; uint atomic_result = 0u; InterlockedExchange(wg.a[i], 0u, atomic_result); } } GroupMemoryBarrierWithGroupSync(); uint atomic_result_1 = 0u; InterlockedExchange(wg.a[4], 1u, atomic_result_1); } [numthreads(1, 1, 1)] void compute_main(tint_symbol_1 tint_symbol) { compute_main_inner(tint_symbol.local_invocation_index); return; }