gcc/testsuite/gcc.dg/tree-ssa/ssa-sink-8.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-sink" } */
   3
   4 int foo(int *a, int r, short *b)
   5 {
   6   int ret = 0;
   7   *a = 1;
   8   switch (r)
   9     {
  10       case 3:
  11           *a = 5;
  12           break;
  13       case 4:
  14       case 5:
  15           *a = 9;
  16           ret = r + 25;
  17           break;
  18       default:
  19           ret = r + 20;
  20     }
  21   *b = 9;
  22   return ret;
  23 }
  24
  25 /* *a = 1 should be sunk into the default case.  */
  26
  27 /* { dg-final { scan-tree-dump-times "Sinking" 1 "sink" } } */
  28 /* { dg-final { cleanup-tree-dump "sink" } } */