PR middle-end/32018

	* tree-ssa-threadupdate.c (thread_through_loop_header): Use
	set_loop_copy.
	(thread_through_all_blocks): Call initialize_original_copy_tables
	and free_original_copy_tables.
	* cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
	Use set_loop_copy.
	* tree-cfg.c (tree_duplicate_sese_region): Ditto.
	* cfghooks.c (duplicate_block): Use get_loop_copy.
	* cfg.c: Include cfgloop.h.
	(loop_copy): New hash table.
	(initialize_original_copy_tables): Initialize loop_copy table.
	(free_original_copy_tables): Free loop_copy table.
	(copy_original_table_clear, copy_original_table_set,
	set_loop_copy, get_loop_copy): New functions.
	(set_bb_original, set_bb_copy): Use copy_original_table_set.
	* cfgloop.h (struct loop): Remove copy field.
	* Makefile.in (cfg.o): Add CFGLOOP_H dependency.
	* basic-block.h (set_loop_copy, get_loop_copy): Declare.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@125024 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 0 insertions, 3 deletions

diff --git a/gcc/cfgloop.h b/gcc/cfgloop.h
index 37869860688..59815ccdc82 100644
--- a/gcc/cfgloop.h
+++ b/gcc/cfgloop.h
@@ -123,9 +123,6 @@ struct loop GTY ((chain_next ("%h.next")))
   /* Link to the next (sibling) loop.  */
   struct loop *next;
 
-  /* Loop that is copy of this loop.  */
-  struct loop *copy;
-
   /* Auxiliary info specific to a pass.  */
   PTR GTY ((skip (""))) aux;