uint tint_insert_bits(uint v, uint n, uint offset, uint count) {
  const uint s = min(offset, 32u);
  const uint e = min(32u, (s + count));
  const uint mask = (((1u << s) - 1u) ^ ((1u << e) - 1u));
  return (((n << s) & mask) | (v & ~(mask)));
}

void insertBits_e3e3a2() {
  uint res = tint_insert_bits(1u, 1u, 1u, 1u);
}

struct tint_symbol {
  float4 value : SV_Position;
};

float4 vertex_main_inner() {
  insertBits_e3e3a2();
  return float4(0.0f, 0.0f, 0.0f, 0.0f);
}

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() {
  insertBits_e3e3a2();
  return;
}

[numthreads(1, 1, 1)]
void compute_main() {
  insertBits_e3e3a2();
  return;
}
