#include <metal_stdlib>

using namespace metal;
uint tint_mod(uint lhs, uint rhs) {
  return (lhs % select(rhs, 1u, (rhs == 0u)));
}

void f_inner(uint3 v) {
  uint const tint_symbol = v[0];
  uint const tint_symbol_1 = tint_mod(v[1], 1u);
  uint const l = (tint_symbol << (tint_symbol_1 & 31u));
}

kernel void f(uint3 v [[thread_position_in_grid]]) {
  f_inner(v);
  return;
}

