#pragma clang diagnostic ignored "-Wmissing-braces"
#pragma clang diagnostic ignored "-Wunused-variable"

#include <metal_stdlib>
#include <simd/simd.h>
	
template <typename T, size_t Num>
struct unsafe_array
{
	T __Elements[Num ? Num : 1];
	
	constexpr size_t size() const thread { return Num; }
	constexpr size_t max_size() const thread { return Num; }
	constexpr bool empty() const thread { return Num == 0; }
	
	constexpr size_t size() const device { return Num; }
	constexpr size_t max_size() const device { return Num; }
	constexpr bool empty() const device { return Num == 0; }
	
	constexpr size_t size() const constant { return Num; }
	constexpr size_t max_size() const constant { return Num; }
	constexpr bool empty() const constant { return Num == 0; }
	
	constexpr size_t size() const threadgroup { return Num; }
	constexpr size_t max_size() const threadgroup { return Num; }
	constexpr bool empty() const threadgroup { return Num == 0; }
	
	thread T &operator[](size_t pos) thread
	{
		return __Elements[pos];
	}
	constexpr const thread T &operator[](size_t pos) const thread
	{
		return __Elements[pos];
	}
	
	device T &operator[](size_t pos) device
	{
		return __Elements[pos];
	}
	constexpr const device T &operator[](size_t pos) const device
	{
		return __Elements[pos];
	}
	
	constexpr const constant T &operator[](size_t pos) const constant
	{
		return __Elements[pos];
	}
	
	threadgroup T &operator[](size_t pos) threadgroup
	{
		return __Elements[pos];
	}
	constexpr const threadgroup T &operator[](size_t pos) const threadgroup
	{
		return __Elements[pos];
	}
};

using namespace metal;

#ifndef SPIRV_CROSS_CONSTANT_ID_0
#define SPIRV_CROSS_CONSTANT_ID_0 100
#endif
constant int a = SPIRV_CROSS_CONSTANT_ID_0;
#ifndef SPIRV_CROSS_CONSTANT_ID_1
#define SPIRV_CROSS_CONSTANT_ID_1 200
#endif
constant int b = SPIRV_CROSS_CONSTANT_ID_1;

struct A
{
    unsafe_array<int,a> member0;
    unsafe_array<int,b> member1;
};

struct B
{
    unsafe_array<int,b> member0;
    unsafe_array<int,a> member1;
};

#ifndef SPIRV_CROSS_CONSTANT_ID_2
#define SPIRV_CROSS_CONSTANT_ID_2 300
#endif
constant int c = SPIRV_CROSS_CONSTANT_ID_2;
constant int d = (c + 50);

struct SSBO
{
    A member_a;
    B member_b;
    unsafe_array<int,a> v;
    unsafe_array<int,d> w;
};

constant int e_tmp [[function_constant(3)]];
constant int e = is_function_constant_defined(e_tmp) ? e_tmp : 400;

kernel void main0(device SSBO& _22 [[buffer(0)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]])
{
    _22.w[gl_GlobalInvocationID.x] += (_22.v[gl_GlobalInvocationID.x] + e);
}