gcc/testsuite/gcc.dg/tree-ssa/pr94589-1.c

   1 /* PR tree-optimization/94589 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-optimized" } */
   4
   5 int
   6 foo (int x)
   7 {
   8   return (x & 23) == x;
   9 /* { dg-final { scan-tree-dump " & -24;" "optimized" } } */
  10 /* { dg-final { scan-tree-dump-not " & 23;" "optimized" } } */
  11 /* { dg-final { scan-tree-dump " == 0" "optimized" } } */
  12 }
  13
  14 int
  15 bar (int x)
  16 {
  17   return (x | 137) != 137;
  18 /* { dg-final { scan-tree-dump " & -138;" "optimized" } } */
  19 /* { dg-final { scan-tree-dump-not " \\| 137;" "optimized" } } */
  20 /* { dg-final { scan-tree-dump " != 0" "optimized" } } */
  21 }