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

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