bernstein_coefficients_cell: handle NULL poly

[platform/upstream/isl.git] / isl_schedule.c

diff --git a/isl_schedule.c b/isl_schedule.c
index 90dadee..320db6c 100644 (file)
--- a/isl_schedule.c
+++ b/isl_schedule.c
@@ -2273,6 +2273,9 @@ static int compute_schedule_wcc(isl_ctx *ctx, struct isl_sched_graph *graph)
                        return -1;
                if (sol->size == 0) {
                        isl_vec_free(sol);
+                       if (!ctx->opt->schedule_maximize_band_depth &&
+                           graph->n_total_row > graph->band_start)
+                               return compute_next_band(ctx, graph);
                        if (graph->src_scc >= 0)
                                return compute_split_schedule(ctx, graph);
                        if (graph->n_total_row > graph->band_start)