groupshared float2 arg_1; void modf_a128ab() { float2 res = modf(float2(0.0f, 0.0f), arg_1); } struct tint_symbol_1 { uint local_invocation_index : SV_GroupIndex; }; [numthreads(1, 1, 1)] void compute_main(tint_symbol_1 tint_symbol) { const uint local_invocation_index = tint_symbol.local_invocation_index; if ((local_invocation_index == 0u)) { arg_1 = float2(0.0f, 0.0f); } GroupMemoryBarrierWithGroupSync(); modf_a128ab(); return; }