summaryloggraphiclog1graphiclog2commitcommitdifftreerefseditfork
rawpatchinlineside by side (parent: ec80c86)
rawpatchinlineside by side (parent: ec80c86)
| author | Sven Verdoolaege <skimo@kotnet.org> | |
| Sat, 12 Oct 2013 14:25:51 +0000 (12 16:25 +0200) | ||
| committer | Sven Verdoolaege <skimo@kotnet.org> | |
| Sun, 15 Feb 2015 20:33:26 +0000 (15 21:33 +0100) |
We wil need this in the next commit.
Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
| isl_schedule_tree.c | patchblobblamehistory | |
| isl_schedule_tree.h | patchblobblamehistory |
diff --git a/isl_schedule_tree.c b/isl_schedule_tree.c
--- a/isl_schedule_tree.c
+++ b/isl_schedule_tree.c
return tree;
}
+/* Remove the child at position "pos" from the children of "tree".
+ * If there was only one child to begin with, then remove all children.
+ */
+__isl_give isl_schedule_tree *isl_schedule_tree_drop_child(
+ __isl_take isl_schedule_tree *tree, int pos)
+{
+ int n;
+
+ tree = isl_schedule_tree_cow(tree);
+ if (!tree)
+ return NULL;
+
+ if (!isl_schedule_tree_has_children(tree))
+ isl_die(isl_schedule_tree_get_ctx(tree), isl_error_invalid,
+ "tree does not have any explicit children",
+ return isl_schedule_tree_free(tree));
+ n = isl_schedule_tree_list_n_schedule_tree(tree->children);
+ if (pos < 0 || pos >= n)
+ isl_die(isl_schedule_tree_get_ctx(tree), isl_error_invalid,
+ "position out of bounds",
+ return isl_schedule_tree_free(tree));
+ if (n == 1)
+ return isl_schedule_tree_reset_children(tree);
+
+ tree->children = isl_schedule_tree_list_drop(tree->children, pos, 1);
+ if (!tree->children)
+ return isl_schedule_tree_free(tree);
+
+ return tree;
+}
+
/* Replace the child at position "pos" of "tree" by "child".
*
* If the new child is a leaf, then it is not explicitly
diff --git a/isl_schedule_tree.h b/isl_schedule_tree.h
--- a/isl_schedule_tree.h
+++ b/isl_schedule_tree.h
__isl_take isl_schedule_tree *tree, int pos);
__isl_give isl_schedule_tree *isl_schedule_tree_reset_children(
__isl_take isl_schedule_tree *tree);
+__isl_give isl_schedule_tree *isl_schedule_tree_drop_child(
+ __isl_take isl_schedule_tree *tree, int pos);
__isl_give isl_schedule_tree *isl_schedule_tree_replace_child(
__isl_take isl_schedule_tree *tree, int pos,
__isl_take isl_schedule_tree *new_child);