libgomp/testsuite/libgomp.oacc-c-c++-common/switch-conversion-2.c

   1 /* PR tree-optimization/85063 */
   2 /* { dg-additional-options "-ftree-switch-conversion" } */
   3
   4 #include <stdlib.h>
   5
   6 int
   7 main (void)
   8 {
   9   int n[1];
  10
  11   n[0] = 3;
  12
  13 #pragma acc parallel copy(n)
  14   {
  15     int m = n[0];
  16     switch (m & 3)
  17     {
  18     case 0: m = 4; break;
  19     case 1: m = 3; break;
  20     case 2: m = 2; break;
  21     default:
  22       m = 1; break;
  23     }
  24     n[0] = m;
  25   }
  26
  27   if (n[0] != 1)
  28     abort ();
  29
  30   return 0;
  31 }