groupshared int S; int func_S() { return S; } struct tint_symbol_1 { uint local_invocation_index : SV_GroupIndex; }; void main_inner(uint local_invocation_index) { { S = 0; } GroupMemoryBarrierWithGroupSync(); const int r = func_S(); } [numthreads(1, 1, 1)] void main(tint_symbol_1 tint_symbol) { main_inner(tint_symbol.local_invocation_index); return; }