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

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-original" } */
   3
   4 int test1(int a, int b)
   5 {
   6   return (a ^ b) == a;
   7 }
   8
   9 int test2(int c, int d)
  10 {
  11   return (c ^ d) != c;
  12 }
  13
  14 int test3(int e, int f)
  15 {
  16   return (e ^ f) == f;
  17 }
  18
  19 int test4(int g, int h)
  20 {
  21   return (g ^ h) != h;
  22 }
  23
  24 /* { dg-final { scan-tree-dump-times "b == 0" 1 "original" } } */
  25 /* { dg-final { scan-tree-dump-times "d != 0" 1 "original" } } */
  26 /* { dg-final { scan-tree-dump-times "e == 0" 1 "original" } } */
  27 /* { dg-final { scan-tree-dump-times "g != 0" 1 "original" } } */
  28 /* { dg-final { cleanup-tree-dump "original" } } */