vkd3d/tests/hlsl/side-effects.shader_test

[pixel shader]
float4 main() : sv_target
{
    float x[3] = {0, 2, 3};

    return x[x[1] = 1];
}

[test]
draw quad
probe all rgba (1.0, 1.0, 1.0, 1.0)


[pixel shader]
uint4 func(uint t)
{
    return uint4(t + 0, t + 1, t + 2, t + 3);
}

float4 main() : sv_target
{
    return func(10)[func(0).y];
}

[test]
draw quad
probe all rgba (11.0, 11.0, 11.0, 11.0)


% dxcompiler performs the first call to func() before the array index call.
[require]
shader model < 6.0


[pixel shader]
float4 func(void)
{
    static uint i;

    i += 1;

    return float4(0.1, 0.2, 0.3, 0.4) + i;
}

float4 main() : sv_target
{
    return func()[func().x];
}

[test]
draw quad
probe all rgba (2.2, 2.2, 2.2, 2.2)