gcc/testsuite/gcc.dg/vect/vect-ifcvt-11.c

   1 /* { dg-require-effective-target vect_condition } */
   2 /* { dg-require-effective-target vect_int } */
   3
   4 #include "tree-vect.h"
   5
   6 #define N 16
   7
   8 extern void abort (void);
   9
  10 int A[N] = {36, 39, 42, 45, 43, 32, 21, 12, 23, 34, 45, 56, 67, 78, 81, 11};
  11 int B[N] = {144,195,210,225,172,128,105,60, 92, 136,225,280,268,390,324,55};
  12
  13 __attribute__((noinline))
  14 void foo ()
  15 {
  16   for (int i = 0; i < N; i++)
  17     {
  18       int m = (A[i] & i) ? 5 : 4;
  19       A[i] = A[i] * m;
  20     }
  21 }
  22
  23 int main ()
  24 {
  25
  26   check_vect ();
  27   foo ();
  28   /* check results:  */
  29 #pragma GCC novector
  30   for (int i = 0; i < N; i++)
  31     if (A[i] != B[i])
  32       abort ();
  33
  34   return 0;
  35 }
  36
  37 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */