struct S {
  int before;
  float2x2 m;
  int after;
};

cbuffer cbuffer_u : register(b0, space0) {
  uint4 u[32];
};
RWByteAddressBuffer s : register(u1, space0);

void tint_symbol_3(RWByteAddressBuffer buffer, uint offset, float2x2 value) {
  buffer.Store2((offset + 0u), asuint(value[0u]));
  buffer.Store2((offset + 8u), asuint(value[1u]));
}

void tint_symbol_1(RWByteAddressBuffer buffer, uint offset, S value) {
  buffer.Store((offset + 0u), asuint(value.before));
  tint_symbol_3(buffer, (offset + 8u), value.m);
  buffer.Store((offset + 64u), asuint(value.after));
}

void tint_symbol(RWByteAddressBuffer buffer, uint offset, S value[4]) {
  S array[4] = value;
  {
    for(uint i = 0u; (i < 4u); i = (i + 1u)) {
      tint_symbol_1(buffer, (offset + (i * 128u)), array[i]);
    }
  }
}

float2x2 tint_symbol_8(uint4 buffer[32], uint offset) {
  const uint scalar_offset = ((offset + 0u)) / 4;
  uint4 ubo_load = buffer[scalar_offset / 4];
  const uint scalar_offset_1 = ((offset + 8u)) / 4;
  uint4 ubo_load_1 = buffer[scalar_offset_1 / 4];
  return float2x2(asfloat(((scalar_offset & 2) ? ubo_load.zw : ubo_load.xy)), asfloat(((scalar_offset_1 & 2) ? ubo_load_1.zw : ubo_load_1.xy)));
}

S tint_symbol_6(uint4 buffer[32], uint offset) {
  const uint scalar_offset_2 = ((offset + 0u)) / 4;
  const uint scalar_offset_3 = ((offset + 64u)) / 4;
  const S tint_symbol_10 = {asint(buffer[scalar_offset_2 / 4][scalar_offset_2 % 4]), tint_symbol_8(buffer, (offset + 8u)), asint(buffer[scalar_offset_3 / 4][scalar_offset_3 % 4])};
  return tint_symbol_10;
}

typedef S tint_symbol_5_ret[4];
tint_symbol_5_ret tint_symbol_5(uint4 buffer[32], uint offset) {
  S arr[4] = (S[4])0;
  {
    for(uint i_1 = 0u; (i_1 < 4u); i_1 = (i_1 + 1u)) {
      arr[i_1] = tint_symbol_6(buffer, (offset + (i_1 * 128u)));
    }
  }
  return arr;
}

[numthreads(1, 1, 1)]
void f() {
  tint_symbol(s, 0u, tint_symbol_5(u, 0u));
  tint_symbol_1(s, 128u, tint_symbol_6(u, 256u));
  tint_symbol_3(s, 392u, tint_symbol_8(u, 264u));
  s.Store2(136u, asuint(asfloat(u[1].xy).yx));
  return;
}
