gcc/testsuite/gcc.dg/vect/pr80631-2.c

   1 /* PR tree-optimization/80631 */
   2
   3 #include "tree-vect.h"
   4
   5 int v[8] = { 77, 1, 79, 3, 4, 3, 6, 7 };
   6
   7 __attribute__((noipa)) void
   8 f1 (void)
   9 {
  10   int k, r = -1;
  11   for (k = 7; k >= 0; k--)
  12     if (v[k] == 77)
  13       r = k;
  14   if (r != 0)
  15     abort ();
  16 }
  17
  18 __attribute__((noipa)) void
  19 f2 (void)
  20 {
  21   int k, r = 4;
  22   for (k = 7; k >= 0; k--)
  23     if (v[k] == 79)
  24       r = k;
  25   if (r != 2)
  26     abort ();
  27 }
  28
  29 __attribute__((noipa)) void
  30 f3 (void)
  31 {
  32   int k, r = -17;
  33   for (k = 7; k >= 0; k--)
  34     if (v[k] == 78)
  35       r = k;
  36   if (r != -17)
  37     abort ();
  38 }
  39
  40 __attribute__((noipa)) void
  41 f4 (void)
  42 {
  43   int k, r = 7;
  44   for (k = 7; k >= 0; k--)
  45     if (v[k] == 78)
  46       r = k;
  47   if (r != 7)
  48     abort ();
  49 }
  50
  51 __attribute__((noipa)) void
  52 f5 (void)
  53 {
  54   int k, r = -1;
  55   for (k = 7; k >= 0; k--)
  56     if (v[k] == 3)
  57       r = k;
  58   if (r != 3)
  59     abort ();
  60 }
  61
  62 int
  63 main ()
  64 {
  65   check_vect ();
  66   f1 ();
  67   f2 ();
  68   f3 ();
  69   f4 ();
  70   f5 ();
  71   return 0;
  72 }
  73
  74 /* { dg-final { scan-tree-dump-times "LOOP VECTORIZED" 5 "vect" { target vect_condition } } } */
  75 /* { dg-final { scan-tree-dump-times "condition expression based on integer induction." 10 "vect" { target vect_condition } } } */