int3 tint_count_leading_zeros(int3 v) {
  uint3 x = uint3(v);
  const uint3 b16 = ((x <= (65535u).xxx) ? (16u).xxx : (0u).xxx);
  x = (x << b16);
  const uint3 b8 = ((x <= (16777215u).xxx) ? (8u).xxx : (0u).xxx);
  x = (x << b8);
  const uint3 b4 = ((x <= (268435455u).xxx) ? (4u).xxx : (0u).xxx);
  x = (x << b4);
  const uint3 b2 = ((x <= (1073741823u).xxx) ? (2u).xxx : (0u).xxx);
  x = (x << b2);
  const uint3 b1 = ((x <= (2147483647u).xxx) ? (1u).xxx : (0u).xxx);
  const uint3 is_zero = ((x == (0u).xxx) ? (1u).xxx : (0u).xxx);
  return int3((((((b16 | b8) | b4) | b2) | b1) + is_zero));
}

void countLeadingZeros_7c38a6() {
  int3 arg_0 = (1).xxx;
  int3 res = tint_count_leading_zeros(arg_0);
}

struct tint_symbol {
  float4 value : SV_Position;
};

float4 vertex_main_inner() {
  countLeadingZeros_7c38a6();
  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() {
  countLeadingZeros_7c38a6();
  return;
}

[numthreads(1, 1, 1)]
void compute_main() {
  countLeadingZeros_7c38a6();
  return;
}
