some printf for debugging removed and some comments added

[libfirm] / bucket.c

diff --git a/bucket.c b/bucket.c
index f911e65..b094f7e 100644 (file)
--- a/bucket.c
+++ b/bucket.c
@@ -2,6 +2,7 @@
 
 #include "bucket.h"
 #include "pbqp_edge_t.h"
+#include "pbqp_node.h"
 #include "pbqp_node_t.h"
 
 int edge_bucket_contains(pbqp_edge_bucket bucket, pbqp_edge *edge)
@@ -49,6 +50,11 @@ pbqp_edge *edge_bucket_pop(pbqp_edge_bucket *bucket)
        return edge;
 }
 
+void node_bucket_shrink(pbqp_node_bucket *bucket, unsigned len)
+{
+       ARR_SHRINKLEN(*bucket, (int)len);
+}
+
 int node_bucket_contains(pbqp_node_bucket bucket, pbqp_node *node)
 {
        assert(node);
@@ -57,6 +63,26 @@ int node_bucket_contains(pbqp_node_bucket bucket, pbqp_node *node)
                        && bucket[node->bucket_index] == node;
 }
 
+void node_bucket_copy(pbqp_node_bucket *dst, pbqp_node_bucket src)
+{
+       unsigned src_index;
+       unsigned src_length = node_bucket_get_length(src);
+
+       for (src_index = 0; src_index < src_length; ++src_index) {
+               node_bucket_insert(dst, src[src_index]);
+       }
+}
+
+void node_bucket_update(pbqp *pbqp, pbqp_node_bucket bucket)
+{
+       unsigned index;
+       unsigned length = node_bucket_get_length(bucket);
+
+       for (index = 0; index < length; ++index) {
+               pbqp->nodes[bucket[index]->index] = bucket[index];
+       }
+}
+
 void node_bucket_free(pbqp_node_bucket *bucket)
 {
        DEL_ARR_F(*bucket);
@@ -105,7 +131,7 @@ void node_bucket_remove(pbqp_node_bucket *bucket, pbqp_node *node)
        assert(node_bucket_contains(*bucket, node));
        assert(bucket_len > 0);
 
-       node_index            = node->index;
+       node_index            = node->bucket_index;
        other                 = (*bucket)[bucket_len - 1];
        other->bucket_index   = node_index;
        (*bucket)[node_index] = other;
@@ -113,3 +139,15 @@ void node_bucket_remove(pbqp_node_bucket *bucket, pbqp_node *node)
        ARR_SHRINKLEN(*bucket, (int)bucket_len - 1);
        node->bucket_index = UINT_MAX;
 }
+
+void node_bucket_deep_copy(pbqp *pbqp, pbqp_node_bucket *dst, pbqp_node_bucket src)
+{
+       unsigned          bucket_index;
+       unsigned          bucket_length;
+
+       bucket_length = node_bucket_get_length(src);
+
+       for (bucket_index = 0; bucket_index < bucket_length; ++bucket_index) {
+               node_bucket_insert(dst, pbqp_node_deep_copy(pbqp, *dst, src[bucket_index]));
+       }
+}