#include <metal_stdlib>
using namespace metal;

void f_1() {
  int3 v = int3(0);
  int3 n = int3(0);
  uint offset_1 = 0u;
  uint count = 0u;
  uint const v_1 = min(offset_1, 32u);
  int3 const x_16 = insert_bits(v, n, v_1, min(count, (32u - v_1)));
}

kernel void f() {
  f_1();
}
