gcc/testsuite/gcc.dg/vect/vect-early-break_63.c

   1 /* { dg-add-options vect_early_break } */
   2 /* Disabling epilogues until we find a better way to deal with scans.  */
   3 /* { dg-do compile } */
   4 /* { dg-additional-options "--param vect-epilogues-nomask=0" } */
   5 /* { dg-require-effective-target vect_long } */
   6 /* { dg-require-effective-target vect_shift } */
   7 /* { dg-additional-options "-fno-tree-scev-cprop" } */
   8
   9 /* Statement used outside the loop.
  10    NOTE: SCEV disabled to ensure the live operation is not removed before
  11    vectorization.  */
  12 __attribute__ ((noinline)) int
  13 liveloop (int start, int n, int *x, int *y)
  14 {
  15   int i = start;
  16   int j;
  17   int ret;
  18
  19   for (j = 0; j < n; ++j)
  20     {
  21       i += 1;
  22       x[j] = i;
  23       ret = y[j];
  24     }
  25   return ret;
  26 }
  27
  28 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  29 /* { dg-final { scan-tree-dump-times "vec_stmt_relevant_p: stmt live but not relevant" 1 "vect" } } */