gcc/testsuite/gcc.dg/fold-ior-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-cddce1" } */
   3
   4 int
   5 fn1 (int x)
   6 {
   7   return ~x | x;
   8 }
   9
  10 int
  11 fn2 (int x)
  12 {
  13   return x | ~x;
  14 }
  15
  16 unsigned int
  17 fn3 (unsigned int x)
  18 {
  19   return ~x | x;
  20 }
  21
  22 unsigned int
  23 fn4 (unsigned int x)
  24 {
  25   return x | ~x;
  26 }
  27
  28 int
  29 fn5 (int x)
  30 {
  31   return ~x | (unsigned) x;
  32 }
  33
  34 int
  35 fn6 (int x)
  36 {
  37   return (unsigned) ~x | x;
  38 }
  39
  40 int
  41 fn7 (int x)
  42 {
  43   return ~(unsigned) x | x;
  44 }
  45
  46 /* { dg-final { scan-tree-dump-not "~" "cddce1" } } */
  47 /* { dg-final { scan-tree-dump-not " \\| " "cddce1" } } */