#include <metal_stdlib>
using namespace metal;

int tint_mod_i32(int lhs, int rhs) {
  int const v = select(rhs, 1, ((rhs == 0) | ((lhs == (-2147483647 - 1)) & (rhs == -1))));
  return (lhs - ((lhs / v) * v));
}
kernel void f() {
  int a = 1;
  int b = 0;
  int const r = tint_mod_i32(a, b);
}
