#include <metal_stdlib>
#include <simd/simd.h>

using namespace metal;

constant float a_tmp [[function_constant(1)]];
constant float a = is_function_constant_defined(a_tmp) ? a_tmp : 1.0;
constant float b_tmp [[function_constant(2)]];
constant float b = is_function_constant_defined(b_tmp) ? b_tmp : 2.0;

struct main0_out
{
    float4 FragColor [[color(0)]];
};

fragment main0_out main0()
{
    main0_out out = {};
    out.FragColor = float4(a + b);
    return out;
}