struct tint_symbol_1 { uint vertex_index : SV_VertexID; uint instance_index : SV_InstanceID; }; struct tint_symbol_2 { float4 value : SV_Position; }; tint_symbol_2 main(tint_symbol_1 tint_symbol) { const uint vertex_index = tint_symbol.vertex_index; const uint instance_index = tint_symbol.instance_index; const uint foo = (vertex_index + instance_index); const tint_symbol_2 tint_symbol_3 = {float4(0.0f, 0.0f, 0.0f, 0.0f)}; return tint_symbol_3; }