* except.c (for_each_eh_region): New function.

	* except.h (for_each_eh_region): Add a prototype for it.
	* tree-cfg.c (update_eh_labels): New function, callback for
	for_each_eh_region.
	(label_for_bb): Make global static, unfortunately.
	(cleanup_dead_labels): Also update label references for
	exception regions.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@82622 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 14 insertions, 0 deletions

diff --git a/gcc/except.c b/gcc/except.c
index f3bc4ef3f2c..65aa8b5c4cc 100644
--- a/gcc/except.c
+++ b/gcc/except.c
@@ -2742,6 +2742,20 @@ for_each_eh_label_1 (void **pentry, void *data)
   (*callback) (entry->label);
   return 1;
 }
+
+/* Invoke CALLBACK for every exception region in the current function.  */
+
+void
+for_each_eh_region (void (*callback) (struct eh_region *))
+{
+  int i, n = cfun->eh->last_region_number;
+  for (i = 1; i <= n; ++i)
+    {
+      struct eh_region *region = cfun->eh->region_array[i];
+      if (region)
+	(*callback) (region);
+    }
+}
 
 /* This section describes CFG exception edges for flow.  */