gcc/testsuite/gcc.dg/tree-ssa/pr31531-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3 /* PR tree-optimization/31531 */
   4
   5 int f0(unsigned x, unsigned t)
   6 {
   7         x = ~x;
   8         t = ~t;
   9         int xx = x;
  10         int tt = t;
  11         return tt < xx;
  12 }
  13
  14 int f1(unsigned x, int t)
  15 {
  16         x = ~x;
  17         t = ~t;
  18         int xx = x;
  19         int tt = t;
  20         return tt < xx;
  21 }
  22
  23 int f2(int x, unsigned t)
  24 {
  25         x = ~x;
  26         t = ~t;
  27         int xx = x;
  28         int tt = t;
  29         return tt < xx;
  30 }
  31
  32
  33 /* We should be able to remove all ~ from the above functions. */
  34 /* { dg-final { scan-tree-dump-times "~" 0 "optimized"} } */