isl_qpolynomial_div: further normalize divs by reducing coefficients

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

diff --git a/isl_flow.c b/isl_flow.c
index e9752fc..e8b9c58 100644 (file)
--- a/isl_flow.c
+++ b/isl_flow.c
@@ -58,14 +58,16 @@ struct isl_flow {
 __isl_give isl_access_info *isl_access_info_alloc(__isl_take isl_map *sink,
        void *sink_user, isl_access_level_before fn, int max_source)
 {
+       isl_ctx *ctx;
        struct isl_access_info *acc;
 
        if (!sink)
                return NULL;
 
-       isl_assert(sink->ctx, max_source >= 0, goto error);
+       ctx = isl_map_get_ctx(sink);
+       isl_assert(ctx, max_source >= 0, goto error);
 
-       acc = isl_alloc(sink->ctx, struct isl_access_info,
+       acc = isl_alloc(ctx, struct isl_access_info,
                        sizeof(struct isl_access_info) +
                        (max_source - 1) * sizeof(struct isl_labeled_map));
        if (!acc)
@@ -108,10 +110,12 @@ __isl_give isl_access_info *isl_access_info_add_source(
        __isl_take isl_access_info *acc, __isl_take isl_map *source,
        int must, void *source_user)
 {
+       isl_ctx *ctx;
+
        if (!acc)
                return NULL;
-       isl_assert(acc->sink.map->ctx,
-                   acc->n_must + acc->n_may < acc->max_source, goto error);
+       ctx = isl_map_get_ctx(acc->sink.map);
+       isl_assert(ctx, acc->n_must + acc->n_may < acc->max_source, goto error);
        
        if (must) {
                if (acc->n_may)
@@ -180,6 +184,7 @@ static __isl_give isl_access_info *isl_access_info_sort_sources(
        __isl_take isl_access_info *acc)
 {
        int i;
+       isl_ctx *ctx;
        struct isl_access_sort_info *array;
 
        if (!acc)
@@ -187,8 +192,8 @@ static __isl_give isl_access_info *isl_access_info_sort_sources(
        if (acc->n_must <= 1)
                return acc;
 
-       array = isl_alloc_array(acc->sink.map->ctx,
-                               struct isl_access_sort_info, acc->n_must);
+       ctx = isl_map_get_ctx(acc->sink.map);
+       array = isl_alloc_array(ctx, struct isl_access_sort_info, acc->n_must);
        if (!array)
                goto error;
 
@@ -233,7 +238,7 @@ static __isl_give isl_flow *isl_flow_alloc(__isl_keep isl_access_info *acc)
        if (!acc)
                return NULL;
 
-       ctx = acc->sink.map->ctx;
+       ctx = isl_map_get_ctx(acc->sink.map);
        dep = isl_calloc_type(ctx, struct isl_flow);
        if (!dep)
                return NULL;
@@ -713,7 +718,7 @@ static __isl_give isl_flow *compute_val_based_dependences(
        res = isl_flow_alloc(acc);
        if (!res)
                goto error;
-       ctx = acc->sink.map->ctx;
+       ctx = isl_map_get_ctx(acc->sink.map);
 
        depth = 2 * isl_map_dim(acc->sink.map, isl_dim_in) + 1;
        mustdo = isl_map_domain(isl_map_copy(acc->sink.map));