#include <metal_stdlib>

using namespace metal;
struct tint_symbol_4 {
  float2x2 S;
};

float2 func(threadgroup float2* const pointer) {
  return *(pointer);
}

void tint_symbol_inner(uint local_invocation_index, threadgroup float2x2* const tint_symbol_1) {
  {
    *(tint_symbol_1) = float2x2(float2(0.0f), float2(0.0f));
  }
  threadgroup_barrier(mem_flags::mem_threadgroup);
  float2 const r = func(&((*(tint_symbol_1))[1]));
}

kernel void tint_symbol(threadgroup tint_symbol_4* tint_symbol_3 [[threadgroup(0)]], uint local_invocation_index [[thread_index_in_threadgroup]]) {
  threadgroup float2x2* const tint_symbol_2 = &((*(tint_symbol_3)).S);
  tint_symbol_inner(local_invocation_index, tint_symbol_2);
  return;
}

