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

   1 /* { dg-do compile } */
   2 /* { dg-options "-fdump-tree-gimple" } */
   3 int f (int a, int b) {
   4         return ~(a ^ -(b + 1));
   5 }
   6
   7 int g (int a, int b) {
   8         return b ^ a;
   9 }
  10
  11 unsigned int h (unsigned int a, unsigned int b) {
  12         return ~(-(b + 1) ^ a);
  13 }
  14
  15 /* { dg-final { scan-tree-dump-times "b \\^ a" 3 "gimple" } } */