gcc/testsuite/g++.dg/vect/pr33426-ivdep-2.cc

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_float } */
   3 /* { dg-additional-options "-O3 -fopt-info-vec-optimized -fdump-tree-original -fdump-tree-gimple" } */
   4
   5 /* PR other/33426 */
   6 /* Testing whether #pragma ivdep is working.  */
   7
   8 void foo(int n, int *a, int *b, int *c) {
   9   int i;
  10  i = 0;
  11 #pragma GCC ivdep
  12   while(i < n)
  13     {
  14       a[i] = b[i] + c[i];
  15       ++i;
  16     }
  17 }
  18
  19 void bar(int n, int *a, int *b, int *c) {
  20   int i;
  21  i = 0;
  22 #pragma GCC ivdep
  23   do
  24     {
  25       a[i] = b[i] + c[i];
  26       ++i;
  27     }
  28   while(i < n);
  29 }
  30
  31 /* { dg-message "loop vectorized" "" { target *-*-* } 0 } */
  32 /* { dg-bogus " version" "" { target *-*-* } 0 } */
  33 /* { dg-bogus " alias" "" { target *-*-* } 0 } */
  34 /* { dg-final { cleanup-tree-dump "vect" } } */
  35
  36 /* { dg-final { scan-tree-dump-times "ANNOTATE_EXPR " 2 "original" } } */
  37 /* { dg-final { cleanup-tree-dump "original" } } */
  38 /* { dg-final { scan-tree-dump-times "ANNOTATE " 2 "gimple" } } */
  39 /* { dg-final { cleanup-tree-dump "gimple" } } */