gcc/testsuite/gcc.dg/pr52267.c

   1 /* PR tree-optimization/52267 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-optimized" } */
   4
   5 int
   6 foo (int a, int b)
   7 {
   8   if (a > 3 || a < 0)
   9     return a;
  10   a &= 3;
  11   return a & 3;
  12 }
  13
  14 int
  15 bar (int a)
  16 {
  17   if (a & ~3)
  18     return a;
  19   return a & 3;
  20 }
  21
  22 /* { dg-final { scan-tree-dump-not "& 3" "optimized" } } */
  23 /* { dg-final { scan-tree-dump-not "& -4" "optimized" } } */
  24 /* { dg-final { cleanup-tree-dump "optimized" } } */