gcc/testsuite/gcc.dg/fold-eqxor-1.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) == 0;
   7 }
   8
   9 int test2(int c, int d)
  10 {
  11   return (c ^ d) != 0;
  12 }
  13
  14 unsigned int test3(unsigned int e, unsigned int f)
  15 {
  16   return (e ^ f) == 0;
  17 }
  18
  19 unsigned int test4(unsigned int g, unsigned int h)
  20 {
  21   return (g ^ h) != 0;
  22 }
  23
  24 /* { dg-final { scan-tree-dump-times "a == b" 1 "original" } } */
  25 /* { dg-final { scan-tree-dump-times "c != d" 1 "original" } } */
  26 /* { dg-final { scan-tree-dump-times "e == f" 1 "original" } } */
  27 /* { dg-final { scan-tree-dump-times "g != h" 1 "original" } } */