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

using namespace metal;

struct SSBO
{
    float in_data[1];
};

struct SSBO2
{
    float out_data[1];
};

constant uint3 gl_WorkGroupSize = uint3(4u, 1u, 1u);

kernel void main0(const device SSBO& _22 [[buffer(0)]], device SSBO2& _44 [[buffer(1)]], uint3 gl_GlobalInvocationID [[thread_position_in_grid]], uint gl_LocalInvocationIndex [[thread_index_in_threadgroup]])
{
    threadgroup float sShared[4];
    sShared[gl_LocalInvocationIndex] = _22.in_data[gl_GlobalInvocationID.x];
    threadgroup_barrier(mem_flags::mem_threadgroup);
    _44.out_data[gl_GlobalInvocationID.x] = sShared[3u - gl_LocalInvocationIndex];
}