gcc/testsuite/gcc.dg/vect/pr65947-10.c

   1 /* { dg-require-effective-target vect_condition } */
   2 /* { dg-require-effective-target vect_float } */
   3
   4 #include "tree-vect.h"
   5
   6 extern void abort (void) __attribute__ ((noreturn));
   7
   8 #define N 32
   9
  10 /* Non-integer data types.  */
  11
  12 float
  13 condition_reduction (float *a, float min_v)
  14 {
  15   float last = 0;
  16
  17   for (int i = 0; i < N; i++)
  18     if (a[i] < min_v)
  19       last = a[i];
  20
  21   return last;
  22 }
  23
  24 int
  25 main (void)
  26 {
  27   float a[N] = {
  28   11.5, 12.2, 13.22, 14.1, 15.2, 16.3, 17, 18.7, 19, 20,
  29   1, 2, 3.3, 4.3333, 5.5, 6.23, 7, 8.63, 9, 10.6,
  30   21, 22.12, 23.55, 24.76, 25, 26, 27.34, 28.765, 29, 30,
  31   31.111, 32.322
  32   };
  33
  34   check_vect ();
  35
  36   float ret = condition_reduction (a, 16.7);
  37
  38   if (ret != (float)10.6)
  39     abort ();
  40
  41   return 0;
  42 }
  43
  44 /* { dg-final { scan-tree-dump-times "LOOP VECTORIZED" 2 "vect" } } */
  45 /* { dg-final { scan-tree-dump-times "optimizing condition reduction with FOLD_EXTRACT_LAST" 4 "vect" { target vect_fold_extract_last } } } */
  46 /* { dg-final { scan-tree-dump-not "condition expression based on integer induction." "vect" } } */
  47