struct S {
  int before;
  matrix<float16_t, 4, 3> m;
  int after;
};

cbuffer cbuffer_u : register(b0) {
  uint4 u[32];
};
RWByteAddressBuffer s : register(u1);

void s_store_3(uint offset, matrix<float16_t, 4, 3> value) {
  s.Store<vector<float16_t, 3> >((offset + 0u), value[0u]);
  s.Store<vector<float16_t, 3> >((offset + 8u), value[1u]);
  s.Store<vector<float16_t, 3> >((offset + 16u), value[2u]);
  s.Store<vector<float16_t, 3> >((offset + 24u), value[3u]);
}

void s_store_1(uint offset, S value) {
  s.Store((offset + 0u), asuint(value.before));
  s_store_3((offset + 8u), value.m);
  s.Store((offset + 64u), asuint(value.after));
}

void s_store(uint offset, S value[4]) {
  S array_1[4] = value;
  {
    for(uint i = 0u; (i < 4u); i = (i + 1u)) {
      s_store_1((offset + (i * 128u)), array_1[i]);
    }
  }
}

matrix<float16_t, 4, 3> u_load_3(uint offset) {
  const uint scalar_offset = ((offset + 0u)) / 4;
  uint4 ubo_load_1 = u[scalar_offset / 4];
  uint2 ubo_load = ((scalar_offset & 2) ? ubo_load_1.zw : ubo_load_1.xy);
  vector<float16_t, 2> ubo_load_xz = vector<float16_t, 2>(f16tof32(ubo_load & 0xFFFF));
  float16_t ubo_load_y = f16tof32(ubo_load[0] >> 16);
  const uint scalar_offset_1 = ((offset + 8u)) / 4;
  uint4 ubo_load_3 = u[scalar_offset_1 / 4];
  uint2 ubo_load_2 = ((scalar_offset_1 & 2) ? ubo_load_3.zw : ubo_load_3.xy);
  vector<float16_t, 2> ubo_load_2_xz = vector<float16_t, 2>(f16tof32(ubo_load_2 & 0xFFFF));
  float16_t ubo_load_2_y = f16tof32(ubo_load_2[0] >> 16);
  const uint scalar_offset_2 = ((offset + 16u)) / 4;
  uint4 ubo_load_5 = u[scalar_offset_2 / 4];
  uint2 ubo_load_4 = ((scalar_offset_2 & 2) ? ubo_load_5.zw : ubo_load_5.xy);
  vector<float16_t, 2> ubo_load_4_xz = vector<float16_t, 2>(f16tof32(ubo_load_4 & 0xFFFF));
  float16_t ubo_load_4_y = f16tof32(ubo_load_4[0] >> 16);
  const uint scalar_offset_3 = ((offset + 24u)) / 4;
  uint4 ubo_load_7 = u[scalar_offset_3 / 4];
  uint2 ubo_load_6 = ((scalar_offset_3 & 2) ? ubo_load_7.zw : ubo_load_7.xy);
  vector<float16_t, 2> ubo_load_6_xz = vector<float16_t, 2>(f16tof32(ubo_load_6 & 0xFFFF));
  float16_t ubo_load_6_y = f16tof32(ubo_load_6[0] >> 16);
  return matrix<float16_t, 4, 3>(vector<float16_t, 3>(ubo_load_xz[0], ubo_load_y, ubo_load_xz[1]), vector<float16_t, 3>(ubo_load_2_xz[0], ubo_load_2_y, ubo_load_2_xz[1]), vector<float16_t, 3>(ubo_load_4_xz[0], ubo_load_4_y, ubo_load_4_xz[1]), vector<float16_t, 3>(ubo_load_6_xz[0], ubo_load_6_y, ubo_load_6_xz[1]));
}

S u_load_1(uint offset) {
  const uint scalar_offset_4 = ((offset + 0u)) / 4;
  const uint scalar_offset_5 = ((offset + 64u)) / 4;
  S tint_symbol = {asint(u[scalar_offset_4 / 4][scalar_offset_4 % 4]), u_load_3((offset + 8u)), asint(u[scalar_offset_5 / 4][scalar_offset_5 % 4])};
  return tint_symbol;
}

typedef S u_load_ret[4];
u_load_ret u_load(uint offset) {
  S arr[4] = (S[4])0;
  {
    for(uint i_1 = 0u; (i_1 < 4u); i_1 = (i_1 + 1u)) {
      arr[i_1] = u_load_1((offset + (i_1 * 128u)));
    }
  }
  return arr;
}

[numthreads(1, 1, 1)]
void f() {
  s_store(0u, u_load(0u));
  s_store_1(128u, u_load_1(256u));
  s_store_3(392u, u_load_3(264u));
  uint2 ubo_load_8 = u[1].xy;
  vector<float16_t, 2> ubo_load_8_xz = vector<float16_t, 2>(f16tof32(ubo_load_8 & 0xFFFF));
  float16_t ubo_load_8_y = f16tof32(ubo_load_8[0] >> 16);
  s.Store<vector<float16_t, 3> >(136u, vector<float16_t, 3>(ubo_load_8_xz[0], ubo_load_8_y, ubo_load_8_xz[1]).zxy);
  return;
}
