gcc/testsuite/gcc.dg/vect/bb-slp-30.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include "tree-vect.h"
   4
   5 int a[32];
   6
   7 void __attribute__((noinline))
   8 test1(void)
   9 {
  10   a[0] = 1;
  11   a[1] = 1;
  12   a[2] = 1;
  13   a[3] = 1;
  14   a[4] = 1;
  15   a[5] = 1;
  16   a[6] = 1;
  17   a[7] = 1;
  18   a[8] = 1;
  19   a[9] = 1;
  20   a[10] = 1;
  21   a[11] = 1;
  22   a[12] = 1;
  23   a[13] = 1;
  24   a[14] = 1;
  25   a[15] = 1;
  26   a[16] = 1;
  27   a[17] = 1;
  28   a[18] = 1;
  29   a[19] = 1;
  30   a[20] = 1;
  31   a[21] = 1;
  32   a[22] = 1;
  33   a[23] = 1;
  34   a[24] = 1;
  35   a[25] = 1;
  36   a[26] = 1;
  37   a[27] = 1;
  38   a[28] = 1;
  39   a[29] = 1;
  40   a[30] = 1;
  41   a[31] = 1;
  42   asm ("" : : : "memory");
  43   a[21] = 0;
  44 }
  45
  46 int main()
  47 {
  48   check_vect ();
  49   test1();
  50   return a[21];
  51 }
  52
  53 /* { dg-final { scan-tree-dump-times "basic block vectorized" 1 "slp2" } } */