===================================================================
@@ -1385,8 +1385,7 @@ initialize_data_dependence_relation (struct data_r
return res;
}
- /* When the references are exactly the same, don't spend time doing
- the data dependence tests, just initialize the ddr and return. */
+ /* The case where the references are exactly the same. */
if (operand_equal_p (DR_REF (a), DR_REF (b), 0))
{
if (loop_nest
@@ -4132,19 +4131,6 @@ compute_affine_dependence (struct data_dependence_
fprintf (dump_file, ")\n");
}
-/* This computes the dependence relation for the same data
- reference into DDR. */
-
-void
-compute_self_dependence (struct data_dependence_relation *ddr)
-{
- if (DDR_ARE_DEPENDENT (ddr) != NULL_TREE)
- return;
-
- if (DDR_LOOP_NEST (ddr))
- compute_affine_dependence (ddr, VEC_index (loop_p, DDR_LOOP_NEST (ddr), 0));
-}
-
/* Compute in DEPENDENCE_RELATIONS the data dependence graph for all
the data references in DATAREFS, in the LOOP_NEST. When
COMPUTE_SELF_AND_RR is FALSE, don't compute read-read and self
===================================================================
@@ -3122,7 +3122,6 @@ vect_analyze_data_refs (loop_vec_info loop_vinfo,
ddr = VEC_index (ddr_p, ddrs, k);
gcc_assert (DDR_A (ddr) == olddr && DDR_B (ddr) == olddr);
newddr = initialize_data_dependence_relation (dr, dr, nest);
- compute_self_dependence (newddr);
VEC_replace (ddr_p, ddrs, k, newddr);
free_dependence_relation (ddr);
VEC_replace (data_reference_p, datarefs, i, dr);