int2 tint_count_trailing_zeros(int2 v) {
  uint2 x = uint2(v);
  const uint2 b16 = (bool2((x & (65535u).xx)) ? (0u).xx : (16u).xx);
  x = (x >> b16);
  const uint2 b8 = (bool2((x & (255u).xx)) ? (0u).xx : (8u).xx);
  x = (x >> b8);
  const uint2 b4 = (bool2((x & (15u).xx)) ? (0u).xx : (4u).xx);
  x = (x >> b4);
  const uint2 b2 = (bool2((x & (3u).xx)) ? (0u).xx : (2u).xx);
  x = (x >> b2);
  const uint2 b1 = (bool2((x & (1u).xx)) ? (0u).xx : (1u).xx);
  const uint2 is_zero = ((x == (0u).xx) ? (1u).xx : (0u).xx);
  return int2((((((b16 | b8) | b4) | b2) | b1) + is_zero));
}

void countTrailingZeros_327c37() {
  int2 res = tint_count_trailing_zeros((1).xx);
}

struct tint_symbol {
  float4 value : SV_Position;
};

float4 vertex_main_inner() {
  countTrailingZeros_327c37();
  return (0.0f).xxxx;
}

tint_symbol vertex_main() {
  const float4 inner_result = vertex_main_inner();
  tint_symbol wrapper_result = (tint_symbol)0;
  wrapper_result.value = inner_result;
  return wrapper_result;
}

void fragment_main() {
  countTrailingZeros_327c37();
  return;
}

[numthreads(1, 1, 1)]
void compute_main() {
  countTrailingZeros_327c37();
  return;
}
