libgomp/testsuite/libgomp.c/switch-conversion.c

   1 /* PR tree-optimization/85063 */
   2 /* { dg-additional-options "-ftree-switch-conversion" } */
   3
   4 #include <stdlib.h>
   5
   6 #pragma omp declare target
   7 static int __attribute__((noinline)) foo (int n)
   8 {
   9   switch (n & 3)
  10     {
  11     case 0: return 4;
  12     case 1: return 3;
  13     case 2: return 2;
  14     default:
  15       return 1;
  16     }
  17 }
  18 #pragma omp end declare target
  19
  20 int
  21 main (void)
  22 {
  23   int n[1];
  24
  25   n[0] = 4;
  26
  27 #pragma omp target
  28   {
  29     n[0] = foo (n[0]);
  30   }
  31
  32   if (n[0] != 4)
  33     abort ();
  34
  35   return 0;
  36 }