[pixel shader fail]
/* The same function signature cannot be defined twice. */

float func(int arg)
{
    return 0.1;
}

float func(int arg)
{
    return 0.1;
}

float4 main() : sv_target
{
    return 0;
}

[pixel shader]
/* Test a basic overload. */
float func(int arg)
{
    return 0.1;
}

float func(uint arg)
{
    return 0.2;
}

float4 main() : sv_target
{
    int i = 1;
    uint u = 1;
    return float4(func(i), func(u), func(int2(1, 1)), func(uint2(1, 1)));
}

[test]
draw quad
probe all rgba (0.1, 0.2, 0.1, 0.2)