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-rw-r--r--gcc/graphite-dependences.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/gcc/graphite-dependences.c b/gcc/graphite-dependences.c
index 366588b3595..7fd4081e926 100644
--- a/gcc/graphite-dependences.c
+++ b/gcc/graphite-dependences.c
@@ -298,7 +298,7 @@ carries_deps (__isl_keep isl_union_map *schedule,
int depth)
{
bool res;
- int idx, i;
+ int i;
isl_space *space;
isl_map *lex, *x;
isl_constraint *ineq;
@@ -313,13 +313,12 @@ carries_deps (__isl_keep isl_union_map *schedule,
space = isl_map_get_space (x);
ineq = isl_inequality_alloc (isl_local_space_from_space (space));
- idx = 2 * depth + 1;
- for (i = 0; i < idx; i++)
+ for (i = 0; i < depth - 1; i++)
lex = isl_map_equate (lex, isl_dim_in, i, isl_dim_out, i);
/* in + 1 <= out */
- ineq = isl_constraint_set_coefficient_si (ineq, isl_dim_out, idx, 1);
- ineq = isl_constraint_set_coefficient_si (ineq, isl_dim_in, idx, -1);
+ ineq = isl_constraint_set_coefficient_si (ineq, isl_dim_out, depth - 1, 1);
+ ineq = isl_constraint_set_coefficient_si (ineq, isl_dim_in, depth - 1, -1);
ineq = isl_constraint_set_constant_si (ineq, -1);
lex = isl_map_add_constraint (lex, ineq);
x = isl_map_intersect (x, lex);