varying lowp float xx;
int func (
  inout float x_1
)
{
  float tmpvar_2;
  tmpvar_2 = (x_1 * 2.0);
  x_1 = tmpvar_2;
  return 0;
}

void main ()
{
  lowp float c_3;
  int i_4;
  lowp float x_5;
  lowp float tmpvar_6;
  tmpvar_6 = xx;
  x_5 = tmpvar_6;
  int tmpvar_7;
  tmpvar_7 = func (x_5);
  int tmpvar_8;
  tmpvar_8 = tmpvar_7;
  i_4 = tmpvar_8;
  if ((x_5 < 0.0)) {
    discard;
  };
  float tmpvar_9;
  tmpvar_9 = 0.0;
  c_3 = tmpvar_9;
  while (true) {
    if (!((i_4 < 4))) {
      break;
    };
    lowp float tmpvar_10;
    tmpvar_10 = (c_3 + xx);
    c_3 = tmpvar_10;
    int tmpvar_11;
    tmpvar_11 = (i_4 + 1);
    i_4 = tmpvar_11;
  };
  lowp vec4 tmpvar_12;
  tmpvar_12 = vec4(c_3);
  lowp vec4 tmpvar_13;
  tmpvar_13 = tmpvar_12;
  gl_FragColor = tmpvar_13;
}