hphp/test/quick/hopt-and-simp.php

   1 <?hh
   2
   3 function foo1() {
   4   $x = 2;
   5   $y = 3;
   6   return $x & $y;
   7 }
   8
   9 function foo2() {
  10   $x = true;
  11   $y = false;
  12   return (int)($x && $y);
  13 }
  14
  15 function foo3($x) {
  16   return 0 & $x;
  17 }
  18
  19 function foo4($x) {
  20   return $x & $x;
  21 }
  22
  23 function foo5($x) {
  24   return (-1) & $x;
  25 }
  26
  27 function foo6($x, $y, $z) {
  28   return ($x | $y) & ($x | $z);
  29 }
  30
  31 function foo7($x, $y, $z) {
  32   return ($y | $x) & ($x | $z);
  33 }
  34
  35 function foo8($x, $y, $z) {
  36   return ($x | $y) & ($z | $x);
  37 }
  38
  39 function foo9($x, $y, $z) {
  40   return ($y | $x) & ($z | $x);
  41 }
  42
  43 var_dump(foo1());
  44 var_dump(foo2());
  45 var_dump(foo3(4));
  46 var_dump(foo4(4));
  47 var_dump(foo5(4));
  48 var_dump(foo6(4,6,7));
  49 var_dump(foo7(4,6,7));
  50 var_dump(foo8(4,6,7));
  51 var_dump(foo9(4,6,7));